17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 545916cd2Sjpk * Common Development and Distribution License (the "License"). 645916cd2Sjpk * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 217c478bd9Sstevel@tonic-gate /* 22bffeae97SMarcel Telka * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. 237c478bd9Sstevel@tonic-gate */ 247c478bd9Sstevel@tonic-gate 257c478bd9Sstevel@tonic-gate /* 267c478bd9Sstevel@tonic-gate * Copyright (c) 1983,1984,1985,1986,1987,1988,1989 AT&T. 277c478bd9Sstevel@tonic-gate * All Rights Reserved 287c478bd9Sstevel@tonic-gate */ 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate #include <sys/param.h> 317c478bd9Sstevel@tonic-gate #include <sys/types.h> 327c478bd9Sstevel@tonic-gate #include <sys/systm.h> 337c478bd9Sstevel@tonic-gate #include <sys/cred.h> 347c478bd9Sstevel@tonic-gate #include <sys/buf.h> 357c478bd9Sstevel@tonic-gate #include <sys/vfs.h> 36aa59c4cbSrsb #include <sys/vfs_opreg.h> 377c478bd9Sstevel@tonic-gate #include <sys/vnode.h> 387c478bd9Sstevel@tonic-gate #include <sys/uio.h> 397c478bd9Sstevel@tonic-gate #include <sys/errno.h> 407c478bd9Sstevel@tonic-gate #include <sys/sysmacros.h> 417c478bd9Sstevel@tonic-gate #include <sys/statvfs.h> 427c478bd9Sstevel@tonic-gate #include <sys/kmem.h> 437c478bd9Sstevel@tonic-gate #include <sys/dirent.h> 447c478bd9Sstevel@tonic-gate #include <sys/cmn_err.h> 457c478bd9Sstevel@tonic-gate #include <sys/debug.h> 467c478bd9Sstevel@tonic-gate #include <sys/systeminfo.h> 477c478bd9Sstevel@tonic-gate #include <sys/flock.h> 487c478bd9Sstevel@tonic-gate #include <sys/pathname.h> 497c478bd9Sstevel@tonic-gate #include <sys/nbmlock.h> 507c478bd9Sstevel@tonic-gate #include <sys/share.h> 517c478bd9Sstevel@tonic-gate #include <sys/atomic.h> 527c478bd9Sstevel@tonic-gate #include <sys/policy.h> 537c478bd9Sstevel@tonic-gate #include <sys/fem.h> 5445916cd2Sjpk #include <sys/sdt.h> 55cee86682Scalum #include <sys/ddi.h> 565679c89fSjv227347 #include <sys/zone.h> 577c478bd9Sstevel@tonic-gate 582f172c55SRobert Thurlow #include <fs/fs_reparse.h> 592f172c55SRobert Thurlow 607c478bd9Sstevel@tonic-gate #include <rpc/types.h> 617c478bd9Sstevel@tonic-gate #include <rpc/auth.h> 627c478bd9Sstevel@tonic-gate #include <rpc/rpcsec_gss.h> 637c478bd9Sstevel@tonic-gate #include <rpc/svc.h> 647c478bd9Sstevel@tonic-gate 657c478bd9Sstevel@tonic-gate #include <nfs/nfs.h> 667c478bd9Sstevel@tonic-gate #include <nfs/export.h> 67b89a8333Snatalie li - Sun Microsystems - Irvine United States #include <nfs/nfs_cmd.h> 687c478bd9Sstevel@tonic-gate #include <nfs/lm.h> 697c478bd9Sstevel@tonic-gate #include <nfs/nfs4.h> 707c478bd9Sstevel@tonic-gate 717c478bd9Sstevel@tonic-gate #include <sys/strsubr.h> 727c478bd9Sstevel@tonic-gate #include <sys/strsun.h> 737c478bd9Sstevel@tonic-gate 747c478bd9Sstevel@tonic-gate #include <inet/common.h> 757c478bd9Sstevel@tonic-gate #include <inet/ip.h> 767c478bd9Sstevel@tonic-gate #include <inet/ip6.h> 777c478bd9Sstevel@tonic-gate 7845916cd2Sjpk #include <sys/tsol/label.h> 7945916cd2Sjpk #include <sys/tsol/tndb.h> 8045916cd2Sjpk 817c478bd9Sstevel@tonic-gate #define RFS4_MAXLOCK_TRIES 4 /* Try to get the lock this many times */ 827c478bd9Sstevel@tonic-gate static int rfs4_maxlock_tries = RFS4_MAXLOCK_TRIES; 837c478bd9Sstevel@tonic-gate #define RFS4_LOCK_DELAY 10 /* Milliseconds */ 847c478bd9Sstevel@tonic-gate static clock_t rfs4_lock_delay = RFS4_LOCK_DELAY; 850a701b1eSRobert Gordon extern struct svc_ops rdma_svc_ops; 86c242f9a0Schunli zhang - Sun Microsystems - Irvine United States extern int nfs_loaned_buffers; 87c242f9a0Schunli zhang - Sun Microsystems - Irvine United States /* End of Tunables */ 887c478bd9Sstevel@tonic-gate 890a701b1eSRobert Gordon static int rdma_setup_read_data4(READ4args *, READ4res *); 900a701b1eSRobert Gordon 917c478bd9Sstevel@tonic-gate /* 927c478bd9Sstevel@tonic-gate * Used to bump the stateid4.seqid value and show changes in the stateid 937c478bd9Sstevel@tonic-gate */ 947c478bd9Sstevel@tonic-gate #define next_stateid(sp) (++(sp)->bits.chgseq) 957c478bd9Sstevel@tonic-gate 967c478bd9Sstevel@tonic-gate /* 977c478bd9Sstevel@tonic-gate * RFS4_MINLEN_ENTRY4: XDR-encoded size of smallest possible dirent. 987c478bd9Sstevel@tonic-gate * This is used to return NFS4ERR_TOOSMALL when clients specify 997c478bd9Sstevel@tonic-gate * maxcount that isn't large enough to hold the smallest possible 1007c478bd9Sstevel@tonic-gate * XDR encoded dirent. 1017c478bd9Sstevel@tonic-gate * 1027c478bd9Sstevel@tonic-gate * sizeof cookie (8 bytes) + 1037c478bd9Sstevel@tonic-gate * sizeof name_len (4 bytes) + 1047c478bd9Sstevel@tonic-gate * sizeof smallest (padded) name (4 bytes) + 1057c478bd9Sstevel@tonic-gate * sizeof bitmap4_len (12 bytes) + NOTE: we always encode len=2 bm4 1067c478bd9Sstevel@tonic-gate * sizeof attrlist4_len (4 bytes) + 1077c478bd9Sstevel@tonic-gate * sizeof next boolean (4 bytes) 1087c478bd9Sstevel@tonic-gate * 1097c478bd9Sstevel@tonic-gate * RFS4_MINLEN_RDDIR4: XDR-encoded size of READDIR op reply containing 1107c478bd9Sstevel@tonic-gate * the smallest possible entry4 (assumes no attrs requested). 1117c478bd9Sstevel@tonic-gate * sizeof nfsstat4 (4 bytes) + 1127c478bd9Sstevel@tonic-gate * sizeof verifier4 (8 bytes) + 1137c478bd9Sstevel@tonic-gate * sizeof entry4list bool (4 bytes) + 1147c478bd9Sstevel@tonic-gate * sizeof entry4 (36 bytes) + 1157c478bd9Sstevel@tonic-gate * sizeof eof bool (4 bytes) 1167c478bd9Sstevel@tonic-gate * 1177c478bd9Sstevel@tonic-gate * RFS4_MINLEN_RDDIR_BUF: minimum length of buffer server will provide to 1187c478bd9Sstevel@tonic-gate * VOP_READDIR. Its value is the size of the maximum possible dirent 1197c478bd9Sstevel@tonic-gate * for solaris. The DIRENT64_RECLEN macro returns the size of dirent 1207c478bd9Sstevel@tonic-gate * required for a given name length. MAXNAMELEN is the maximum 1217c478bd9Sstevel@tonic-gate * filename length allowed in Solaris. The first two DIRENT64_RECLEN() 1227c478bd9Sstevel@tonic-gate * macros are to allow for . and .. entries -- just a minor tweak to try 1237c478bd9Sstevel@tonic-gate * and guarantee that buffer we give to VOP_READDIR will be large enough 1247c478bd9Sstevel@tonic-gate * to hold ., .., and the largest possible solaris dirent64. 1257c478bd9Sstevel@tonic-gate */ 1267c478bd9Sstevel@tonic-gate #define RFS4_MINLEN_ENTRY4 36 1277c478bd9Sstevel@tonic-gate #define RFS4_MINLEN_RDDIR4 (4 + NFS4_VERIFIER_SIZE + 4 + RFS4_MINLEN_ENTRY4 + 4) 1287c478bd9Sstevel@tonic-gate #define RFS4_MINLEN_RDDIR_BUF \ 1297c478bd9Sstevel@tonic-gate (DIRENT64_RECLEN(1) + DIRENT64_RECLEN(2) + DIRENT64_RECLEN(MAXNAMELEN)) 1307c478bd9Sstevel@tonic-gate 1317c478bd9Sstevel@tonic-gate /* 1327c478bd9Sstevel@tonic-gate * It would be better to pad to 4 bytes since that's what XDR would do, 1337c478bd9Sstevel@tonic-gate * but the dirents UFS gives us are already padded to 8, so just take 1347c478bd9Sstevel@tonic-gate * what we're given. Dircount is only a hint anyway. Currently the 1357c478bd9Sstevel@tonic-gate * solaris kernel is ASCII only, so there's no point in calling the 1367c478bd9Sstevel@tonic-gate * UTF8 functions. 1377c478bd9Sstevel@tonic-gate * 1387c478bd9Sstevel@tonic-gate * dirent64: named padded to provide 8 byte struct alignment 1397c478bd9Sstevel@tonic-gate * d_ino(8) + d_off(8) + d_reclen(2) + d_name(namelen + null(1) + pad) 1407c478bd9Sstevel@tonic-gate * 1417c478bd9Sstevel@tonic-gate * cookie: uint64_t + utf8namelen: uint_t + utf8name padded to 8 bytes 1427c478bd9Sstevel@tonic-gate * 1437c478bd9Sstevel@tonic-gate */ 1447c478bd9Sstevel@tonic-gate #define DIRENT64_TO_DIRCOUNT(dp) \ 1457c478bd9Sstevel@tonic-gate (3 * BYTES_PER_XDR_UNIT + DIRENT64_NAMELEN((dp)->d_reclen)) 1467c478bd9Sstevel@tonic-gate 1477c478bd9Sstevel@tonic-gate time_t rfs4_start_time; /* Initialized in rfs4_srvrinit */ 1487c478bd9Sstevel@tonic-gate 1497c478bd9Sstevel@tonic-gate static sysid_t lockt_sysid; /* dummy sysid for all LOCKT calls */ 1507c478bd9Sstevel@tonic-gate 1517c478bd9Sstevel@tonic-gate u_longlong_t nfs4_srv_caller_id; 1521b300de9Sjwahlig uint_t nfs4_srv_vkey = 0; 1537c478bd9Sstevel@tonic-gate 1547c478bd9Sstevel@tonic-gate verifier4 Write4verf; 1557c478bd9Sstevel@tonic-gate verifier4 Readdir4verf; 1567c478bd9Sstevel@tonic-gate 1577c478bd9Sstevel@tonic-gate void rfs4_init_compound_state(struct compound_state *); 1587c478bd9Sstevel@tonic-gate 1597c478bd9Sstevel@tonic-gate static void nullfree(caddr_t); 1607c478bd9Sstevel@tonic-gate static void rfs4_op_inval(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1617c478bd9Sstevel@tonic-gate struct compound_state *); 1627c478bd9Sstevel@tonic-gate static void rfs4_op_access(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1637c478bd9Sstevel@tonic-gate struct compound_state *); 1647c478bd9Sstevel@tonic-gate static void rfs4_op_close(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1657c478bd9Sstevel@tonic-gate struct compound_state *); 1667c478bd9Sstevel@tonic-gate static void rfs4_op_commit(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1677c478bd9Sstevel@tonic-gate struct compound_state *); 1687c478bd9Sstevel@tonic-gate static void rfs4_op_create(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1697c478bd9Sstevel@tonic-gate struct compound_state *); 1707c478bd9Sstevel@tonic-gate static void rfs4_op_create_free(nfs_resop4 *resop); 1717c478bd9Sstevel@tonic-gate static void rfs4_op_delegreturn(nfs_argop4 *, nfs_resop4 *, 1727c478bd9Sstevel@tonic-gate struct svc_req *, struct compound_state *); 173f3b585ceSsamf static void rfs4_op_delegpurge(nfs_argop4 *, nfs_resop4 *, 174f3b585ceSsamf struct svc_req *, struct compound_state *); 1757c478bd9Sstevel@tonic-gate static void rfs4_op_getattr(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1767c478bd9Sstevel@tonic-gate struct compound_state *); 1777c478bd9Sstevel@tonic-gate static void rfs4_op_getattr_free(nfs_resop4 *); 1787c478bd9Sstevel@tonic-gate static void rfs4_op_getfh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1797c478bd9Sstevel@tonic-gate struct compound_state *); 1807c478bd9Sstevel@tonic-gate static void rfs4_op_getfh_free(nfs_resop4 *); 1817c478bd9Sstevel@tonic-gate static void rfs4_op_illegal(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1827c478bd9Sstevel@tonic-gate struct compound_state *); 1837c478bd9Sstevel@tonic-gate static void rfs4_op_link(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1847c478bd9Sstevel@tonic-gate struct compound_state *); 1857c478bd9Sstevel@tonic-gate static void rfs4_op_lock(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1867c478bd9Sstevel@tonic-gate struct compound_state *); 1877c478bd9Sstevel@tonic-gate static void lock_denied_free(nfs_resop4 *); 1887c478bd9Sstevel@tonic-gate static void rfs4_op_locku(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1897c478bd9Sstevel@tonic-gate struct compound_state *); 1907c478bd9Sstevel@tonic-gate static void rfs4_op_lockt(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1917c478bd9Sstevel@tonic-gate struct compound_state *); 1927c478bd9Sstevel@tonic-gate static void rfs4_op_lookup(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1937c478bd9Sstevel@tonic-gate struct compound_state *); 1947c478bd9Sstevel@tonic-gate static void rfs4_op_lookupp(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1957c478bd9Sstevel@tonic-gate struct compound_state *); 1967c478bd9Sstevel@tonic-gate static void rfs4_op_openattr(nfs_argop4 *argop, nfs_resop4 *resop, 1977c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs); 1987c478bd9Sstevel@tonic-gate static void rfs4_op_nverify(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1997c478bd9Sstevel@tonic-gate struct compound_state *); 2007c478bd9Sstevel@tonic-gate static void rfs4_op_open(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2017c478bd9Sstevel@tonic-gate struct compound_state *); 2027c478bd9Sstevel@tonic-gate static void rfs4_op_open_confirm(nfs_argop4 *, nfs_resop4 *, 2037c478bd9Sstevel@tonic-gate struct svc_req *, struct compound_state *); 2047c478bd9Sstevel@tonic-gate static void rfs4_op_open_downgrade(nfs_argop4 *, nfs_resop4 *, 2057c478bd9Sstevel@tonic-gate struct svc_req *, struct compound_state *); 2067c478bd9Sstevel@tonic-gate static void rfs4_op_putfh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2077c478bd9Sstevel@tonic-gate struct compound_state *); 2087c478bd9Sstevel@tonic-gate static void rfs4_op_putpubfh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2097c478bd9Sstevel@tonic-gate struct compound_state *); 2107c478bd9Sstevel@tonic-gate static void rfs4_op_putrootfh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2117c478bd9Sstevel@tonic-gate struct compound_state *); 2127c478bd9Sstevel@tonic-gate static void rfs4_op_read(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2137c478bd9Sstevel@tonic-gate struct compound_state *); 2147c478bd9Sstevel@tonic-gate static void rfs4_op_read_free(nfs_resop4 *); 2157c478bd9Sstevel@tonic-gate static void rfs4_op_readdir_free(nfs_resop4 *resop); 2167c478bd9Sstevel@tonic-gate static void rfs4_op_readlink(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2177c478bd9Sstevel@tonic-gate struct compound_state *); 2187c478bd9Sstevel@tonic-gate static void rfs4_op_readlink_free(nfs_resop4 *); 2197c478bd9Sstevel@tonic-gate static void rfs4_op_release_lockowner(nfs_argop4 *, nfs_resop4 *, 2207c478bd9Sstevel@tonic-gate struct svc_req *, struct compound_state *); 2217c478bd9Sstevel@tonic-gate static void rfs4_op_remove(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2227c478bd9Sstevel@tonic-gate struct compound_state *); 2237c478bd9Sstevel@tonic-gate static void rfs4_op_rename(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2247c478bd9Sstevel@tonic-gate struct compound_state *); 2257c478bd9Sstevel@tonic-gate static void rfs4_op_renew(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2267c478bd9Sstevel@tonic-gate struct compound_state *); 2277c478bd9Sstevel@tonic-gate static void rfs4_op_restorefh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2287c478bd9Sstevel@tonic-gate struct compound_state *); 2297c478bd9Sstevel@tonic-gate static void rfs4_op_savefh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2307c478bd9Sstevel@tonic-gate struct compound_state *); 2317c478bd9Sstevel@tonic-gate static void rfs4_op_setattr(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2327c478bd9Sstevel@tonic-gate struct compound_state *); 2337c478bd9Sstevel@tonic-gate static void rfs4_op_verify(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2347c478bd9Sstevel@tonic-gate struct compound_state *); 2357c478bd9Sstevel@tonic-gate static void rfs4_op_write(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2367c478bd9Sstevel@tonic-gate struct compound_state *); 2377c478bd9Sstevel@tonic-gate static void rfs4_op_setclientid(nfs_argop4 *, nfs_resop4 *, 2387c478bd9Sstevel@tonic-gate struct svc_req *, struct compound_state *); 2397c478bd9Sstevel@tonic-gate static void rfs4_op_setclientid_confirm(nfs_argop4 *, nfs_resop4 *, 2407c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *); 2417c478bd9Sstevel@tonic-gate static void rfs4_op_secinfo(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2427c478bd9Sstevel@tonic-gate struct compound_state *); 2437c478bd9Sstevel@tonic-gate static void rfs4_op_secinfo_free(nfs_resop4 *); 2447c478bd9Sstevel@tonic-gate 2457c478bd9Sstevel@tonic-gate static nfsstat4 check_open_access(uint32_t, 2467c478bd9Sstevel@tonic-gate struct compound_state *, struct svc_req *); 2477c478bd9Sstevel@tonic-gate nfsstat4 rfs4_client_sysid(rfs4_client_t *, sysid_t *); 2482f172c55SRobert Thurlow void rfs4_ss_clid(rfs4_client_t *); 2497c478bd9Sstevel@tonic-gate 2507c478bd9Sstevel@tonic-gate /* 2517c478bd9Sstevel@tonic-gate * translation table for attrs 2527c478bd9Sstevel@tonic-gate */ 2537c478bd9Sstevel@tonic-gate struct nfs4_ntov_table { 2547c478bd9Sstevel@tonic-gate union nfs4_attr_u *na; 2557c478bd9Sstevel@tonic-gate uint8_t amap[NFS4_MAXNUM_ATTRS]; 2567c478bd9Sstevel@tonic-gate int attrcnt; 2577c478bd9Sstevel@tonic-gate bool_t vfsstat; 2587c478bd9Sstevel@tonic-gate }; 2597c478bd9Sstevel@tonic-gate 2607c478bd9Sstevel@tonic-gate static void nfs4_ntov_table_init(struct nfs4_ntov_table *ntovp); 2617c478bd9Sstevel@tonic-gate static void nfs4_ntov_table_free(struct nfs4_ntov_table *ntovp, 2627c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg *sargp); 2637c478bd9Sstevel@tonic-gate 2647c478bd9Sstevel@tonic-gate static nfsstat4 do_rfs4_set_attrs(bitmap4 *resp, fattr4 *fattrp, 2657c478bd9Sstevel@tonic-gate struct compound_state *cs, struct nfs4_svgetit_arg *sargp, 2667c478bd9Sstevel@tonic-gate struct nfs4_ntov_table *ntovp, nfs4_attr_cmd_t cmd); 2677c478bd9Sstevel@tonic-gate 2687c478bd9Sstevel@tonic-gate fem_t *deleg_rdops; 2697c478bd9Sstevel@tonic-gate fem_t *deleg_wrops; 2707c478bd9Sstevel@tonic-gate 2717c478bd9Sstevel@tonic-gate rfs4_servinst_t *rfs4_cur_servinst = NULL; /* current server instance */ 2727c478bd9Sstevel@tonic-gate kmutex_t rfs4_servinst_lock; /* protects linked list */ 2737c478bd9Sstevel@tonic-gate int rfs4_seen_first_compound; /* set first time we see one */ 2747c478bd9Sstevel@tonic-gate 2757c478bd9Sstevel@tonic-gate /* 2767c478bd9Sstevel@tonic-gate * NFS4 op dispatch table 2777c478bd9Sstevel@tonic-gate */ 2787c478bd9Sstevel@tonic-gate 2797c478bd9Sstevel@tonic-gate struct rfsv4disp { 2807c478bd9Sstevel@tonic-gate void (*dis_proc)(); /* proc to call */ 2817c478bd9Sstevel@tonic-gate void (*dis_resfree)(); /* frees space allocated by proc */ 2827c478bd9Sstevel@tonic-gate int dis_flags; /* RPC_IDEMPOTENT, etc... */ 2837c478bd9Sstevel@tonic-gate }; 2847c478bd9Sstevel@tonic-gate 2857c478bd9Sstevel@tonic-gate static struct rfsv4disp rfsv4disptab[] = { 2867c478bd9Sstevel@tonic-gate /* 2877c478bd9Sstevel@tonic-gate * NFS VERSION 4 2887c478bd9Sstevel@tonic-gate */ 2897c478bd9Sstevel@tonic-gate 2907c478bd9Sstevel@tonic-gate /* RFS_NULL = 0 */ 2917c478bd9Sstevel@tonic-gate {rfs4_op_illegal, nullfree, 0}, 2927c478bd9Sstevel@tonic-gate 2937c478bd9Sstevel@tonic-gate /* UNUSED = 1 */ 2947c478bd9Sstevel@tonic-gate {rfs4_op_illegal, nullfree, 0}, 2957c478bd9Sstevel@tonic-gate 2967c478bd9Sstevel@tonic-gate /* UNUSED = 2 */ 2977c478bd9Sstevel@tonic-gate {rfs4_op_illegal, nullfree, 0}, 2987c478bd9Sstevel@tonic-gate 2997c478bd9Sstevel@tonic-gate /* OP_ACCESS = 3 */ 3007c478bd9Sstevel@tonic-gate {rfs4_op_access, nullfree, RPC_IDEMPOTENT}, 3017c478bd9Sstevel@tonic-gate 3027c478bd9Sstevel@tonic-gate /* OP_CLOSE = 4 */ 3037c478bd9Sstevel@tonic-gate {rfs4_op_close, nullfree, 0}, 3047c478bd9Sstevel@tonic-gate 3057c478bd9Sstevel@tonic-gate /* OP_COMMIT = 5 */ 3067c478bd9Sstevel@tonic-gate {rfs4_op_commit, nullfree, RPC_IDEMPOTENT}, 3077c478bd9Sstevel@tonic-gate 3087c478bd9Sstevel@tonic-gate /* OP_CREATE = 6 */ 3097c478bd9Sstevel@tonic-gate {rfs4_op_create, nullfree, 0}, 3107c478bd9Sstevel@tonic-gate 3117c478bd9Sstevel@tonic-gate /* OP_DELEGPURGE = 7 */ 312f3b585ceSsamf {rfs4_op_delegpurge, nullfree, 0}, 3137c478bd9Sstevel@tonic-gate 3147c478bd9Sstevel@tonic-gate /* OP_DELEGRETURN = 8 */ 3157c478bd9Sstevel@tonic-gate {rfs4_op_delegreturn, nullfree, 0}, 3167c478bd9Sstevel@tonic-gate 3177c478bd9Sstevel@tonic-gate /* OP_GETATTR = 9 */ 3187c478bd9Sstevel@tonic-gate {rfs4_op_getattr, rfs4_op_getattr_free, RPC_IDEMPOTENT}, 3197c478bd9Sstevel@tonic-gate 3207c478bd9Sstevel@tonic-gate /* OP_GETFH = 10 */ 3217c478bd9Sstevel@tonic-gate {rfs4_op_getfh, rfs4_op_getfh_free, RPC_ALL}, 3227c478bd9Sstevel@tonic-gate 3237c478bd9Sstevel@tonic-gate /* OP_LINK = 11 */ 3247c478bd9Sstevel@tonic-gate {rfs4_op_link, nullfree, 0}, 3257c478bd9Sstevel@tonic-gate 3267c478bd9Sstevel@tonic-gate /* OP_LOCK = 12 */ 3277c478bd9Sstevel@tonic-gate {rfs4_op_lock, lock_denied_free, 0}, 3287c478bd9Sstevel@tonic-gate 3297c478bd9Sstevel@tonic-gate /* OP_LOCKT = 13 */ 3307c478bd9Sstevel@tonic-gate {rfs4_op_lockt, lock_denied_free, 0}, 3317c478bd9Sstevel@tonic-gate 3327c478bd9Sstevel@tonic-gate /* OP_LOCKU = 14 */ 3337c478bd9Sstevel@tonic-gate {rfs4_op_locku, nullfree, 0}, 3347c478bd9Sstevel@tonic-gate 3357c478bd9Sstevel@tonic-gate /* OP_LOOKUP = 15 */ 3367c478bd9Sstevel@tonic-gate {rfs4_op_lookup, nullfree, (RPC_IDEMPOTENT | RPC_PUBLICFH_OK)}, 3377c478bd9Sstevel@tonic-gate 3387c478bd9Sstevel@tonic-gate /* OP_LOOKUPP = 16 */ 3397c478bd9Sstevel@tonic-gate {rfs4_op_lookupp, nullfree, (RPC_IDEMPOTENT | RPC_PUBLICFH_OK)}, 3407c478bd9Sstevel@tonic-gate 3417c478bd9Sstevel@tonic-gate /* OP_NVERIFY = 17 */ 3427c478bd9Sstevel@tonic-gate {rfs4_op_nverify, nullfree, RPC_IDEMPOTENT}, 3437c478bd9Sstevel@tonic-gate 3447c478bd9Sstevel@tonic-gate /* OP_OPEN = 18 */ 3457c478bd9Sstevel@tonic-gate {rfs4_op_open, rfs4_free_reply, 0}, 3467c478bd9Sstevel@tonic-gate 3477c478bd9Sstevel@tonic-gate /* OP_OPENATTR = 19 */ 3487c478bd9Sstevel@tonic-gate {rfs4_op_openattr, nullfree, 0}, 3497c478bd9Sstevel@tonic-gate 3507c478bd9Sstevel@tonic-gate /* OP_OPEN_CONFIRM = 20 */ 3517c478bd9Sstevel@tonic-gate {rfs4_op_open_confirm, nullfree, 0}, 3527c478bd9Sstevel@tonic-gate 3537c478bd9Sstevel@tonic-gate /* OP_OPEN_DOWNGRADE = 21 */ 3547c478bd9Sstevel@tonic-gate {rfs4_op_open_downgrade, nullfree, 0}, 3557c478bd9Sstevel@tonic-gate 3567c478bd9Sstevel@tonic-gate /* OP_OPEN_PUTFH = 22 */ 3577c478bd9Sstevel@tonic-gate {rfs4_op_putfh, nullfree, RPC_ALL}, 3587c478bd9Sstevel@tonic-gate 3597c478bd9Sstevel@tonic-gate /* OP_PUTPUBFH = 23 */ 3607c478bd9Sstevel@tonic-gate {rfs4_op_putpubfh, nullfree, RPC_ALL}, 3617c478bd9Sstevel@tonic-gate 3627c478bd9Sstevel@tonic-gate /* OP_PUTROOTFH = 24 */ 3637c478bd9Sstevel@tonic-gate {rfs4_op_putrootfh, nullfree, RPC_ALL}, 3647c478bd9Sstevel@tonic-gate 3657c478bd9Sstevel@tonic-gate /* OP_READ = 25 */ 3667c478bd9Sstevel@tonic-gate {rfs4_op_read, rfs4_op_read_free, RPC_IDEMPOTENT}, 3677c478bd9Sstevel@tonic-gate 3687c478bd9Sstevel@tonic-gate /* OP_READDIR = 26 */ 3697c478bd9Sstevel@tonic-gate {rfs4_op_readdir, rfs4_op_readdir_free, RPC_IDEMPOTENT}, 3707c478bd9Sstevel@tonic-gate 3717c478bd9Sstevel@tonic-gate /* OP_READLINK = 27 */ 3727c478bd9Sstevel@tonic-gate {rfs4_op_readlink, rfs4_op_readlink_free, RPC_IDEMPOTENT}, 3737c478bd9Sstevel@tonic-gate 3747c478bd9Sstevel@tonic-gate /* OP_REMOVE = 28 */ 3757c478bd9Sstevel@tonic-gate {rfs4_op_remove, nullfree, 0}, 3767c478bd9Sstevel@tonic-gate 3777c478bd9Sstevel@tonic-gate /* OP_RENAME = 29 */ 3787c478bd9Sstevel@tonic-gate {rfs4_op_rename, nullfree, 0}, 3797c478bd9Sstevel@tonic-gate 3807c478bd9Sstevel@tonic-gate /* OP_RENEW = 30 */ 3817c478bd9Sstevel@tonic-gate {rfs4_op_renew, nullfree, 0}, 3827c478bd9Sstevel@tonic-gate 3837c478bd9Sstevel@tonic-gate /* OP_RESTOREFH = 31 */ 3847c478bd9Sstevel@tonic-gate {rfs4_op_restorefh, nullfree, RPC_ALL}, 3857c478bd9Sstevel@tonic-gate 3867c478bd9Sstevel@tonic-gate /* OP_SAVEFH = 32 */ 3877c478bd9Sstevel@tonic-gate {rfs4_op_savefh, nullfree, RPC_ALL}, 3887c478bd9Sstevel@tonic-gate 3897c478bd9Sstevel@tonic-gate /* OP_SECINFO = 33 */ 3907c478bd9Sstevel@tonic-gate {rfs4_op_secinfo, rfs4_op_secinfo_free, 0}, 3917c478bd9Sstevel@tonic-gate 3927c478bd9Sstevel@tonic-gate /* OP_SETATTR = 34 */ 3937c478bd9Sstevel@tonic-gate {rfs4_op_setattr, nullfree, 0}, 3947c478bd9Sstevel@tonic-gate 3957c478bd9Sstevel@tonic-gate /* OP_SETCLIENTID = 35 */ 3967c478bd9Sstevel@tonic-gate {rfs4_op_setclientid, nullfree, 0}, 3977c478bd9Sstevel@tonic-gate 3987c478bd9Sstevel@tonic-gate /* OP_SETCLIENTID_CONFIRM = 36 */ 3997c478bd9Sstevel@tonic-gate {rfs4_op_setclientid_confirm, nullfree, 0}, 4007c478bd9Sstevel@tonic-gate 4017c478bd9Sstevel@tonic-gate /* OP_VERIFY = 37 */ 4027c478bd9Sstevel@tonic-gate {rfs4_op_verify, nullfree, RPC_IDEMPOTENT}, 4037c478bd9Sstevel@tonic-gate 4047c478bd9Sstevel@tonic-gate /* OP_WRITE = 38 */ 4057c478bd9Sstevel@tonic-gate {rfs4_op_write, nullfree, 0}, 4067c478bd9Sstevel@tonic-gate 4077c478bd9Sstevel@tonic-gate /* OP_RELEASE_LOCKOWNER = 39 */ 4087c478bd9Sstevel@tonic-gate {rfs4_op_release_lockowner, nullfree, 0}, 4097c478bd9Sstevel@tonic-gate }; 4107c478bd9Sstevel@tonic-gate 4117c478bd9Sstevel@tonic-gate static uint_t rfsv4disp_cnt = sizeof (rfsv4disptab) / sizeof (rfsv4disptab[0]); 4127c478bd9Sstevel@tonic-gate 4137c478bd9Sstevel@tonic-gate #define OP_ILLEGAL_IDX (rfsv4disp_cnt) 4147c478bd9Sstevel@tonic-gate 4157c478bd9Sstevel@tonic-gate #ifdef DEBUG 4167c478bd9Sstevel@tonic-gate 4177c478bd9Sstevel@tonic-gate int rfs4_fillone_debug = 0; 4187c478bd9Sstevel@tonic-gate int rfs4_no_stub_access = 1; 4197c478bd9Sstevel@tonic-gate int rfs4_rddir_debug = 0; 4207c478bd9Sstevel@tonic-gate 4217c478bd9Sstevel@tonic-gate static char *rfs4_op_string[] = { 4227c478bd9Sstevel@tonic-gate "rfs4_op_null", 4237c478bd9Sstevel@tonic-gate "rfs4_op_1 unused", 4247c478bd9Sstevel@tonic-gate "rfs4_op_2 unused", 4257c478bd9Sstevel@tonic-gate "rfs4_op_access", 4267c478bd9Sstevel@tonic-gate "rfs4_op_close", 4277c478bd9Sstevel@tonic-gate "rfs4_op_commit", 4287c478bd9Sstevel@tonic-gate "rfs4_op_create", 4297c478bd9Sstevel@tonic-gate "rfs4_op_delegpurge", 4307c478bd9Sstevel@tonic-gate "rfs4_op_delegreturn", 4317c478bd9Sstevel@tonic-gate "rfs4_op_getattr", 4327c478bd9Sstevel@tonic-gate "rfs4_op_getfh", 4337c478bd9Sstevel@tonic-gate "rfs4_op_link", 4347c478bd9Sstevel@tonic-gate "rfs4_op_lock", 4357c478bd9Sstevel@tonic-gate "rfs4_op_lockt", 4367c478bd9Sstevel@tonic-gate "rfs4_op_locku", 4377c478bd9Sstevel@tonic-gate "rfs4_op_lookup", 4387c478bd9Sstevel@tonic-gate "rfs4_op_lookupp", 4397c478bd9Sstevel@tonic-gate "rfs4_op_nverify", 4407c478bd9Sstevel@tonic-gate "rfs4_op_open", 4417c478bd9Sstevel@tonic-gate "rfs4_op_openattr", 4427c478bd9Sstevel@tonic-gate "rfs4_op_open_confirm", 4437c478bd9Sstevel@tonic-gate "rfs4_op_open_downgrade", 4447c478bd9Sstevel@tonic-gate "rfs4_op_putfh", 4457c478bd9Sstevel@tonic-gate "rfs4_op_putpubfh", 4467c478bd9Sstevel@tonic-gate "rfs4_op_putrootfh", 4477c478bd9Sstevel@tonic-gate "rfs4_op_read", 4487c478bd9Sstevel@tonic-gate "rfs4_op_readdir", 4497c478bd9Sstevel@tonic-gate "rfs4_op_readlink", 4507c478bd9Sstevel@tonic-gate "rfs4_op_remove", 4517c478bd9Sstevel@tonic-gate "rfs4_op_rename", 4527c478bd9Sstevel@tonic-gate "rfs4_op_renew", 4537c478bd9Sstevel@tonic-gate "rfs4_op_restorefh", 4547c478bd9Sstevel@tonic-gate "rfs4_op_savefh", 4557c478bd9Sstevel@tonic-gate "rfs4_op_secinfo", 4567c478bd9Sstevel@tonic-gate "rfs4_op_setattr", 4577c478bd9Sstevel@tonic-gate "rfs4_op_setclientid", 4587c478bd9Sstevel@tonic-gate "rfs4_op_setclient_confirm", 4597c478bd9Sstevel@tonic-gate "rfs4_op_verify", 4607c478bd9Sstevel@tonic-gate "rfs4_op_write", 4617c478bd9Sstevel@tonic-gate "rfs4_op_release_lockowner", 4627c478bd9Sstevel@tonic-gate "rfs4_op_illegal" 4637c478bd9Sstevel@tonic-gate }; 4647c478bd9Sstevel@tonic-gate #endif 4657c478bd9Sstevel@tonic-gate 4667c478bd9Sstevel@tonic-gate void rfs4_ss_chkclid(rfs4_client_t *); 4677c478bd9Sstevel@tonic-gate 468cee86682Scalum extern size_t strlcpy(char *dst, const char *src, size_t dstsize); 469cee86682Scalum 4702f172c55SRobert Thurlow extern void rfs4_free_fs_locations4(fs_locations4 *); 4712f172c55SRobert Thurlow 4727c478bd9Sstevel@tonic-gate #ifdef nextdp 4737c478bd9Sstevel@tonic-gate #undef nextdp 4747c478bd9Sstevel@tonic-gate #endif 4757c478bd9Sstevel@tonic-gate #define nextdp(dp) ((struct dirent64 *)((char *)(dp) + (dp)->d_reclen)) 4767c478bd9Sstevel@tonic-gate 4777c478bd9Sstevel@tonic-gate static const fs_operation_def_t nfs4_rd_deleg_tmpl[] = { 478cfae96c2Sjwahlig VOPNAME_OPEN, { .femop_open = deleg_rd_open }, 479cfae96c2Sjwahlig VOPNAME_WRITE, { .femop_write = deleg_rd_write }, 480cfae96c2Sjwahlig VOPNAME_SETATTR, { .femop_setattr = deleg_rd_setattr }, 481aa59c4cbSrsb VOPNAME_RWLOCK, { .femop_rwlock = deleg_rd_rwlock }, 482cfae96c2Sjwahlig VOPNAME_SPACE, { .femop_space = deleg_rd_space }, 483cfae96c2Sjwahlig VOPNAME_SETSECATTR, { .femop_setsecattr = deleg_rd_setsecattr }, 484cfae96c2Sjwahlig VOPNAME_VNEVENT, { .femop_vnevent = deleg_rd_vnevent }, 4857c478bd9Sstevel@tonic-gate NULL, NULL 4867c478bd9Sstevel@tonic-gate }; 4877c478bd9Sstevel@tonic-gate static const fs_operation_def_t nfs4_wr_deleg_tmpl[] = { 488cfae96c2Sjwahlig VOPNAME_OPEN, { .femop_open = deleg_wr_open }, 489cfae96c2Sjwahlig VOPNAME_READ, { .femop_read = deleg_wr_read }, 490cfae96c2Sjwahlig VOPNAME_WRITE, { .femop_write = deleg_wr_write }, 491cfae96c2Sjwahlig VOPNAME_SETATTR, { .femop_setattr = deleg_wr_setattr }, 492aa59c4cbSrsb VOPNAME_RWLOCK, { .femop_rwlock = deleg_wr_rwlock }, 493cfae96c2Sjwahlig VOPNAME_SPACE, { .femop_space = deleg_wr_space }, 494cfae96c2Sjwahlig VOPNAME_SETSECATTR, { .femop_setsecattr = deleg_wr_setsecattr }, 495cfae96c2Sjwahlig VOPNAME_VNEVENT, { .femop_vnevent = deleg_wr_vnevent }, 4967c478bd9Sstevel@tonic-gate NULL, NULL 4977c478bd9Sstevel@tonic-gate }; 4987c478bd9Sstevel@tonic-gate 4997c478bd9Sstevel@tonic-gate int 5007c478bd9Sstevel@tonic-gate rfs4_srvrinit(void) 5017c478bd9Sstevel@tonic-gate { 5027c478bd9Sstevel@tonic-gate timespec32_t verf; 5037c478bd9Sstevel@tonic-gate int error; 5047c478bd9Sstevel@tonic-gate extern void rfs4_attr_init(); 5057c478bd9Sstevel@tonic-gate extern krwlock_t rfs4_deleg_policy_lock; 5067c478bd9Sstevel@tonic-gate 5077c478bd9Sstevel@tonic-gate /* 5087c478bd9Sstevel@tonic-gate * The following algorithm attempts to find a unique verifier 5097c478bd9Sstevel@tonic-gate * to be used as the write verifier returned from the server 5107c478bd9Sstevel@tonic-gate * to the client. It is important that this verifier change 5117c478bd9Sstevel@tonic-gate * whenever the server reboots. Of secondary importance, it 5127c478bd9Sstevel@tonic-gate * is important for the verifier to be unique between two 5137c478bd9Sstevel@tonic-gate * different servers. 5147c478bd9Sstevel@tonic-gate * 5157c478bd9Sstevel@tonic-gate * Thus, an attempt is made to use the system hostid and the 5167c478bd9Sstevel@tonic-gate * current time in seconds when the nfssrv kernel module is 5177c478bd9Sstevel@tonic-gate * loaded. It is assumed that an NFS server will not be able 5187c478bd9Sstevel@tonic-gate * to boot and then to reboot in less than a second. If the 5197c478bd9Sstevel@tonic-gate * hostid has not been set, then the current high resolution 5207c478bd9Sstevel@tonic-gate * time is used. This will ensure different verifiers each 5217c478bd9Sstevel@tonic-gate * time the server reboots and minimize the chances that two 5227c478bd9Sstevel@tonic-gate * different servers will have the same verifier. 5237c478bd9Sstevel@tonic-gate * XXX - this is broken on LP64 kernels. 5247c478bd9Sstevel@tonic-gate */ 5255679c89fSjv227347 verf.tv_sec = (time_t)zone_get_hostid(NULL); 5267c478bd9Sstevel@tonic-gate if (verf.tv_sec != 0) { 5277c478bd9Sstevel@tonic-gate verf.tv_nsec = gethrestime_sec(); 5287c478bd9Sstevel@tonic-gate } else { 5297c478bd9Sstevel@tonic-gate timespec_t tverf; 5307c478bd9Sstevel@tonic-gate 5317c478bd9Sstevel@tonic-gate gethrestime(&tverf); 5327c478bd9Sstevel@tonic-gate verf.tv_sec = (time_t)tverf.tv_sec; 5337c478bd9Sstevel@tonic-gate verf.tv_nsec = tverf.tv_nsec; 5347c478bd9Sstevel@tonic-gate } 5357c478bd9Sstevel@tonic-gate 5367c478bd9Sstevel@tonic-gate Write4verf = *(uint64_t *)&verf; 5377c478bd9Sstevel@tonic-gate 5387c478bd9Sstevel@tonic-gate rfs4_attr_init(); 5397c478bd9Sstevel@tonic-gate mutex_init(&rfs4_deleg_lock, NULL, MUTEX_DEFAULT, NULL); 5407c478bd9Sstevel@tonic-gate 5417c478bd9Sstevel@tonic-gate /* Used to manage create/destroy of server state */ 5427c478bd9Sstevel@tonic-gate mutex_init(&rfs4_state_lock, NULL, MUTEX_DEFAULT, NULL); 5437c478bd9Sstevel@tonic-gate 5447c478bd9Sstevel@tonic-gate /* Used to manage access to server instance linked list */ 5457c478bd9Sstevel@tonic-gate mutex_init(&rfs4_servinst_lock, NULL, MUTEX_DEFAULT, NULL); 5467c478bd9Sstevel@tonic-gate 5477c478bd9Sstevel@tonic-gate /* Used to manage access to rfs4_deleg_policy */ 5487c478bd9Sstevel@tonic-gate rw_init(&rfs4_deleg_policy_lock, NULL, RW_DEFAULT, NULL); 5497c478bd9Sstevel@tonic-gate 5507c478bd9Sstevel@tonic-gate error = fem_create("deleg_rdops", nfs4_rd_deleg_tmpl, &deleg_rdops); 5517c478bd9Sstevel@tonic-gate if (error != 0) { 5527c478bd9Sstevel@tonic-gate rfs4_disable_delegation(); 5537c478bd9Sstevel@tonic-gate } else { 5547c478bd9Sstevel@tonic-gate error = fem_create("deleg_wrops", nfs4_wr_deleg_tmpl, 5557c478bd9Sstevel@tonic-gate &deleg_wrops); 5567c478bd9Sstevel@tonic-gate if (error != 0) { 5577c478bd9Sstevel@tonic-gate rfs4_disable_delegation(); 5587c478bd9Sstevel@tonic-gate fem_free(deleg_rdops); 5597c478bd9Sstevel@tonic-gate } 5607c478bd9Sstevel@tonic-gate } 5617c478bd9Sstevel@tonic-gate 5627c478bd9Sstevel@tonic-gate nfs4_srv_caller_id = fs_new_caller_id(); 5637c478bd9Sstevel@tonic-gate 5647c478bd9Sstevel@tonic-gate lockt_sysid = lm_alloc_sysidt(); 5657c478bd9Sstevel@tonic-gate 5661b300de9Sjwahlig vsd_create(&nfs4_srv_vkey, NULL); 5671b300de9Sjwahlig 5687c478bd9Sstevel@tonic-gate return (0); 5697c478bd9Sstevel@tonic-gate } 5707c478bd9Sstevel@tonic-gate 5717c478bd9Sstevel@tonic-gate void 5727c478bd9Sstevel@tonic-gate rfs4_srvrfini(void) 5737c478bd9Sstevel@tonic-gate { 5747c478bd9Sstevel@tonic-gate extern krwlock_t rfs4_deleg_policy_lock; 5757c478bd9Sstevel@tonic-gate 5767c478bd9Sstevel@tonic-gate if (lockt_sysid != LM_NOSYSID) { 5777c478bd9Sstevel@tonic-gate lm_free_sysidt(lockt_sysid); 5787c478bd9Sstevel@tonic-gate lockt_sysid = LM_NOSYSID; 5797c478bd9Sstevel@tonic-gate } 5807c478bd9Sstevel@tonic-gate 5817c478bd9Sstevel@tonic-gate mutex_destroy(&rfs4_deleg_lock); 5827c478bd9Sstevel@tonic-gate mutex_destroy(&rfs4_state_lock); 5837c478bd9Sstevel@tonic-gate rw_destroy(&rfs4_deleg_policy_lock); 5847c478bd9Sstevel@tonic-gate 5857c478bd9Sstevel@tonic-gate fem_free(deleg_rdops); 5867c478bd9Sstevel@tonic-gate fem_free(deleg_wrops); 5877c478bd9Sstevel@tonic-gate } 5887c478bd9Sstevel@tonic-gate 5897c478bd9Sstevel@tonic-gate void 5907c478bd9Sstevel@tonic-gate rfs4_init_compound_state(struct compound_state *cs) 5917c478bd9Sstevel@tonic-gate { 5927c478bd9Sstevel@tonic-gate bzero(cs, sizeof (*cs)); 5937c478bd9Sstevel@tonic-gate cs->cont = TRUE; 5947c478bd9Sstevel@tonic-gate cs->access = CS_ACCESS_DENIED; 5957c478bd9Sstevel@tonic-gate cs->deleg = FALSE; 5967c478bd9Sstevel@tonic-gate cs->mandlock = FALSE; 5977c478bd9Sstevel@tonic-gate cs->fh.nfs_fh4_val = cs->fhbuf; 5987c478bd9Sstevel@tonic-gate } 5997c478bd9Sstevel@tonic-gate 6007c478bd9Sstevel@tonic-gate void 6017c478bd9Sstevel@tonic-gate rfs4_grace_start(rfs4_servinst_t *sip) 6027c478bd9Sstevel@tonic-gate { 6037c478bd9Sstevel@tonic-gate rw_enter(&sip->rwlock, RW_WRITER); 604d3d50737SRafael Vanoni sip->start_time = (time_t)TICK_TO_SEC(ddi_get_lbolt()); 6057c478bd9Sstevel@tonic-gate sip->grace_period = rfs4_grace_period; 6067c478bd9Sstevel@tonic-gate rw_exit(&sip->rwlock); 6077c478bd9Sstevel@tonic-gate } 6087c478bd9Sstevel@tonic-gate 6097c478bd9Sstevel@tonic-gate /* 6107c478bd9Sstevel@tonic-gate * returns true if the instance's grace period has never been started 6117c478bd9Sstevel@tonic-gate */ 6127c478bd9Sstevel@tonic-gate int 6137c478bd9Sstevel@tonic-gate rfs4_servinst_grace_new(rfs4_servinst_t *sip) 6147c478bd9Sstevel@tonic-gate { 6157c478bd9Sstevel@tonic-gate time_t start_time; 6167c478bd9Sstevel@tonic-gate 6177c478bd9Sstevel@tonic-gate rw_enter(&sip->rwlock, RW_READER); 6187c478bd9Sstevel@tonic-gate start_time = sip->start_time; 6197c478bd9Sstevel@tonic-gate rw_exit(&sip->rwlock); 6207c478bd9Sstevel@tonic-gate 6217c478bd9Sstevel@tonic-gate return (start_time == 0); 6227c478bd9Sstevel@tonic-gate } 6237c478bd9Sstevel@tonic-gate 6247c478bd9Sstevel@tonic-gate /* 6257c478bd9Sstevel@tonic-gate * Indicates if server instance is within the 6267c478bd9Sstevel@tonic-gate * grace period. 6277c478bd9Sstevel@tonic-gate */ 6287c478bd9Sstevel@tonic-gate int 6297c478bd9Sstevel@tonic-gate rfs4_servinst_in_grace(rfs4_servinst_t *sip) 6307c478bd9Sstevel@tonic-gate { 6317c478bd9Sstevel@tonic-gate time_t grace_expiry; 6327c478bd9Sstevel@tonic-gate 6337c478bd9Sstevel@tonic-gate rw_enter(&sip->rwlock, RW_READER); 6347c478bd9Sstevel@tonic-gate grace_expiry = sip->start_time + sip->grace_period; 6357c478bd9Sstevel@tonic-gate rw_exit(&sip->rwlock); 6367c478bd9Sstevel@tonic-gate 637d3d50737SRafael Vanoni return (((time_t)TICK_TO_SEC(ddi_get_lbolt())) < grace_expiry); 6387c478bd9Sstevel@tonic-gate } 6397c478bd9Sstevel@tonic-gate 6407c478bd9Sstevel@tonic-gate int 6417c478bd9Sstevel@tonic-gate rfs4_clnt_in_grace(rfs4_client_t *cp) 6427c478bd9Sstevel@tonic-gate { 643d216dff5SRobert Mastors ASSERT(rfs4_dbe_refcnt(cp->rc_dbe) > 0); 6447c478bd9Sstevel@tonic-gate 645d216dff5SRobert Mastors return (rfs4_servinst_in_grace(cp->rc_server_instance)); 6467c478bd9Sstevel@tonic-gate } 6477c478bd9Sstevel@tonic-gate 6487c478bd9Sstevel@tonic-gate /* 6497c478bd9Sstevel@tonic-gate * reset all currently active grace periods 6507c478bd9Sstevel@tonic-gate */ 6517c478bd9Sstevel@tonic-gate void 6527c478bd9Sstevel@tonic-gate rfs4_grace_reset_all(void) 6537c478bd9Sstevel@tonic-gate { 6547c478bd9Sstevel@tonic-gate rfs4_servinst_t *sip; 6557c478bd9Sstevel@tonic-gate 6567c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 657cee86682Scalum for (sip = rfs4_cur_servinst; sip != NULL; sip = sip->prev) 658cee86682Scalum if (rfs4_servinst_in_grace(sip)) 6597c478bd9Sstevel@tonic-gate rfs4_grace_start(sip); 6607c478bd9Sstevel@tonic-gate mutex_exit(&rfs4_servinst_lock); 6617c478bd9Sstevel@tonic-gate } 6627c478bd9Sstevel@tonic-gate 6637c478bd9Sstevel@tonic-gate /* 6647c478bd9Sstevel@tonic-gate * start any new instances' grace periods 6657c478bd9Sstevel@tonic-gate */ 6667c478bd9Sstevel@tonic-gate void 6677c478bd9Sstevel@tonic-gate rfs4_grace_start_new(void) 6687c478bd9Sstevel@tonic-gate { 6697c478bd9Sstevel@tonic-gate rfs4_servinst_t *sip; 6707c478bd9Sstevel@tonic-gate 6717c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 672cee86682Scalum for (sip = rfs4_cur_servinst; sip != NULL; sip = sip->prev) 6737c478bd9Sstevel@tonic-gate if (rfs4_servinst_grace_new(sip)) 6747c478bd9Sstevel@tonic-gate rfs4_grace_start(sip); 6757c478bd9Sstevel@tonic-gate mutex_exit(&rfs4_servinst_lock); 676cee86682Scalum } 6777c478bd9Sstevel@tonic-gate 678cee86682Scalum static rfs4_dss_path_t * 679cee86682Scalum rfs4_dss_newpath(rfs4_servinst_t *sip, char *path, unsigned index) 680cee86682Scalum { 681cee86682Scalum size_t len; 682cee86682Scalum rfs4_dss_path_t *dss_path; 683cee86682Scalum 684cee86682Scalum dss_path = kmem_alloc(sizeof (rfs4_dss_path_t), KM_SLEEP); 685cee86682Scalum 686cee86682Scalum /* 687cee86682Scalum * Take a copy of the string, since the original may be overwritten. 688cee86682Scalum * Sadly, no strdup() in the kernel. 689cee86682Scalum */ 690cee86682Scalum /* allow for NUL */ 691cee86682Scalum len = strlen(path) + 1; 692cee86682Scalum dss_path->path = kmem_alloc(len, KM_SLEEP); 693cee86682Scalum (void) strlcpy(dss_path->path, path, len); 694cee86682Scalum 695cee86682Scalum /* associate with servinst */ 696cee86682Scalum dss_path->sip = sip; 697cee86682Scalum dss_path->index = index; 698cee86682Scalum 699cee86682Scalum /* 700cee86682Scalum * Add to list of served paths. 701cee86682Scalum * No locking required, as we're only ever called at startup. 702cee86682Scalum */ 703cee86682Scalum if (rfs4_dss_pathlist == NULL) { 704cee86682Scalum /* this is the first dss_path_t */ 705cee86682Scalum 706cee86682Scalum /* needed for insque/remque */ 707cee86682Scalum dss_path->next = dss_path->prev = dss_path; 708cee86682Scalum 709cee86682Scalum rfs4_dss_pathlist = dss_path; 710cee86682Scalum } else { 711cee86682Scalum insque(dss_path, rfs4_dss_pathlist); 712cee86682Scalum } 713cee86682Scalum 714cee86682Scalum return (dss_path); 7157c478bd9Sstevel@tonic-gate } 7167c478bd9Sstevel@tonic-gate 7177c478bd9Sstevel@tonic-gate /* 7187c478bd9Sstevel@tonic-gate * Create a new server instance, and make it the currently active instance. 7197c478bd9Sstevel@tonic-gate * Note that starting the grace period too early will reduce the clients' 7207c478bd9Sstevel@tonic-gate * recovery window. 7217c478bd9Sstevel@tonic-gate */ 7227c478bd9Sstevel@tonic-gate void 723cee86682Scalum rfs4_servinst_create(int start_grace, int dss_npaths, char **dss_paths) 7247c478bd9Sstevel@tonic-gate { 725cee86682Scalum unsigned i; 7267c478bd9Sstevel@tonic-gate rfs4_servinst_t *sip; 727cee86682Scalum rfs4_oldstate_t *oldstate; 7287c478bd9Sstevel@tonic-gate 7297c478bd9Sstevel@tonic-gate sip = kmem_alloc(sizeof (rfs4_servinst_t), KM_SLEEP); 7307c478bd9Sstevel@tonic-gate rw_init(&sip->rwlock, NULL, RW_DEFAULT, NULL); 7317c478bd9Sstevel@tonic-gate 7327c478bd9Sstevel@tonic-gate sip->start_time = (time_t)0; 7337c478bd9Sstevel@tonic-gate sip->grace_period = (time_t)0; 7347c478bd9Sstevel@tonic-gate sip->next = NULL; 7357c478bd9Sstevel@tonic-gate sip->prev = NULL; 7367c478bd9Sstevel@tonic-gate 737cee86682Scalum rw_init(&sip->oldstate_lock, NULL, RW_DEFAULT, NULL); 738cee86682Scalum /* 739cee86682Scalum * This initial dummy entry is required to setup for insque/remque. 740cee86682Scalum * It must be skipped over whenever the list is traversed. 741cee86682Scalum */ 742cee86682Scalum oldstate = kmem_alloc(sizeof (rfs4_oldstate_t), KM_SLEEP); 743cee86682Scalum /* insque/remque require initial list entry to be self-terminated */ 744cee86682Scalum oldstate->next = oldstate; 745cee86682Scalum oldstate->prev = oldstate; 746cee86682Scalum sip->oldstate = oldstate; 747cee86682Scalum 748cee86682Scalum 749cee86682Scalum sip->dss_npaths = dss_npaths; 750cee86682Scalum sip->dss_paths = kmem_alloc(dss_npaths * 751cee86682Scalum sizeof (rfs4_dss_path_t *), KM_SLEEP); 752cee86682Scalum 753cee86682Scalum for (i = 0; i < dss_npaths; i++) { 754cee86682Scalum sip->dss_paths[i] = rfs4_dss_newpath(sip, dss_paths[i], i); 755cee86682Scalum } 756cee86682Scalum 7577c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 758cee86682Scalum if (rfs4_cur_servinst != NULL) { 7597c478bd9Sstevel@tonic-gate /* add to linked list */ 7607c478bd9Sstevel@tonic-gate sip->prev = rfs4_cur_servinst; 7617c478bd9Sstevel@tonic-gate rfs4_cur_servinst->next = sip; 7627c478bd9Sstevel@tonic-gate } 7637c478bd9Sstevel@tonic-gate if (start_grace) 7647c478bd9Sstevel@tonic-gate rfs4_grace_start(sip); 7657c478bd9Sstevel@tonic-gate /* make the new instance "current" */ 7667c478bd9Sstevel@tonic-gate rfs4_cur_servinst = sip; 7677c478bd9Sstevel@tonic-gate 768cee86682Scalum mutex_exit(&rfs4_servinst_lock); 7697c478bd9Sstevel@tonic-gate } 7707c478bd9Sstevel@tonic-gate 7717c478bd9Sstevel@tonic-gate /* 7727c478bd9Sstevel@tonic-gate * In future, we might add a rfs4_servinst_destroy(sip) but, for now, destroy 7737c478bd9Sstevel@tonic-gate * all instances directly. 7747c478bd9Sstevel@tonic-gate */ 7757c478bd9Sstevel@tonic-gate void 7767c478bd9Sstevel@tonic-gate rfs4_servinst_destroy_all(void) 7777c478bd9Sstevel@tonic-gate { 7787c478bd9Sstevel@tonic-gate rfs4_servinst_t *sip, *prev, *current; 7797c478bd9Sstevel@tonic-gate #ifdef DEBUG 7807c478bd9Sstevel@tonic-gate int n = 0; 7817c478bd9Sstevel@tonic-gate #endif 7827c478bd9Sstevel@tonic-gate 7837c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 7847c478bd9Sstevel@tonic-gate ASSERT(rfs4_cur_servinst != NULL); 7857c478bd9Sstevel@tonic-gate current = rfs4_cur_servinst; 7867c478bd9Sstevel@tonic-gate rfs4_cur_servinst = NULL; 7877c478bd9Sstevel@tonic-gate for (sip = current; sip != NULL; sip = prev) { 7887c478bd9Sstevel@tonic-gate prev = sip->prev; 7897c478bd9Sstevel@tonic-gate rw_destroy(&sip->rwlock); 790cee86682Scalum if (sip->oldstate) 791cee86682Scalum kmem_free(sip->oldstate, sizeof (rfs4_oldstate_t)); 792cee86682Scalum if (sip->dss_paths) 793cee86682Scalum kmem_free(sip->dss_paths, 794cee86682Scalum sip->dss_npaths * sizeof (rfs4_dss_path_t *)); 7957c478bd9Sstevel@tonic-gate kmem_free(sip, sizeof (rfs4_servinst_t)); 7967c478bd9Sstevel@tonic-gate #ifdef DEBUG 7977c478bd9Sstevel@tonic-gate n++; 7987c478bd9Sstevel@tonic-gate #endif 7997c478bd9Sstevel@tonic-gate } 8007c478bd9Sstevel@tonic-gate mutex_exit(&rfs4_servinst_lock); 8017c478bd9Sstevel@tonic-gate } 8027c478bd9Sstevel@tonic-gate 8037c478bd9Sstevel@tonic-gate /* 8047c478bd9Sstevel@tonic-gate * Assign the current server instance to a client_t. 805d216dff5SRobert Mastors * Should be called with cp->rc_dbe held. 8067c478bd9Sstevel@tonic-gate */ 8077c478bd9Sstevel@tonic-gate void 8087c478bd9Sstevel@tonic-gate rfs4_servinst_assign(rfs4_client_t *cp, rfs4_servinst_t *sip) 8097c478bd9Sstevel@tonic-gate { 810d216dff5SRobert Mastors ASSERT(rfs4_dbe_refcnt(cp->rc_dbe) > 0); 8117c478bd9Sstevel@tonic-gate 8127c478bd9Sstevel@tonic-gate /* 8137c478bd9Sstevel@tonic-gate * The lock ensures that if the current instance is in the process 8147c478bd9Sstevel@tonic-gate * of changing, we will see the new one. 8157c478bd9Sstevel@tonic-gate */ 8167c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 817d216dff5SRobert Mastors cp->rc_server_instance = sip; 8187c478bd9Sstevel@tonic-gate mutex_exit(&rfs4_servinst_lock); 8197c478bd9Sstevel@tonic-gate } 8207c478bd9Sstevel@tonic-gate 8217c478bd9Sstevel@tonic-gate rfs4_servinst_t * 8227c478bd9Sstevel@tonic-gate rfs4_servinst(rfs4_client_t *cp) 8237c478bd9Sstevel@tonic-gate { 824d216dff5SRobert Mastors ASSERT(rfs4_dbe_refcnt(cp->rc_dbe) > 0); 8257c478bd9Sstevel@tonic-gate 826d216dff5SRobert Mastors return (cp->rc_server_instance); 8277c478bd9Sstevel@tonic-gate } 8287c478bd9Sstevel@tonic-gate 8297c478bd9Sstevel@tonic-gate /* ARGSUSED */ 8307c478bd9Sstevel@tonic-gate static void 8317c478bd9Sstevel@tonic-gate nullfree(caddr_t resop) 8327c478bd9Sstevel@tonic-gate { 8337c478bd9Sstevel@tonic-gate } 8347c478bd9Sstevel@tonic-gate 8357c478bd9Sstevel@tonic-gate /* 8367c478bd9Sstevel@tonic-gate * This is a fall-through for invalid or not implemented (yet) ops 8377c478bd9Sstevel@tonic-gate */ 8387c478bd9Sstevel@tonic-gate /* ARGSUSED */ 8397c478bd9Sstevel@tonic-gate static void 8407c478bd9Sstevel@tonic-gate rfs4_op_inval(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 8417c478bd9Sstevel@tonic-gate struct compound_state *cs) 8427c478bd9Sstevel@tonic-gate { 8437c478bd9Sstevel@tonic-gate *cs->statusp = *((nfsstat4 *)&(resop)->nfs_resop4_u) = NFS4ERR_INVAL; 8447c478bd9Sstevel@tonic-gate } 8457c478bd9Sstevel@tonic-gate 8467c478bd9Sstevel@tonic-gate /* 8477c478bd9Sstevel@tonic-gate * Check if the security flavor, nfsnum, is in the flavor_list. 8487c478bd9Sstevel@tonic-gate */ 8497c478bd9Sstevel@tonic-gate bool_t 8507c478bd9Sstevel@tonic-gate in_flavor_list(int nfsnum, int *flavor_list, int count) 8517c478bd9Sstevel@tonic-gate { 8527c478bd9Sstevel@tonic-gate int i; 8537c478bd9Sstevel@tonic-gate 8547c478bd9Sstevel@tonic-gate for (i = 0; i < count; i++) { 8557c478bd9Sstevel@tonic-gate if (nfsnum == flavor_list[i]) 8567c478bd9Sstevel@tonic-gate return (TRUE); 8577c478bd9Sstevel@tonic-gate } 8587c478bd9Sstevel@tonic-gate return (FALSE); 8597c478bd9Sstevel@tonic-gate } 8607c478bd9Sstevel@tonic-gate 8617c478bd9Sstevel@tonic-gate /* 8627c478bd9Sstevel@tonic-gate * Used by rfs4_op_secinfo to get the security information from the 8637c478bd9Sstevel@tonic-gate * export structure associated with the component. 8647c478bd9Sstevel@tonic-gate */ 8657c478bd9Sstevel@tonic-gate /* ARGSUSED */ 8667c478bd9Sstevel@tonic-gate static nfsstat4 8677c478bd9Sstevel@tonic-gate do_rfs4_op_secinfo(struct compound_state *cs, char *nm, SECINFO4res *resp) 8687c478bd9Sstevel@tonic-gate { 8697c478bd9Sstevel@tonic-gate int error, different_export = 0; 8707c478bd9Sstevel@tonic-gate vnode_t *dvp, *vp, *tvp; 8717c478bd9Sstevel@tonic-gate struct exportinfo *exi = NULL; 8727c478bd9Sstevel@tonic-gate fid_t fid; 8737c478bd9Sstevel@tonic-gate uint_t count, i; 8747c478bd9Sstevel@tonic-gate secinfo4 *resok_val; 8757c478bd9Sstevel@tonic-gate struct secinfo *secp; 8761b300de9Sjwahlig seconfig_t *si; 877bffeae97SMarcel Telka bool_t did_traverse = FALSE; 8787c478bd9Sstevel@tonic-gate int dotdot, walk; 8797c478bd9Sstevel@tonic-gate 8807c478bd9Sstevel@tonic-gate dvp = cs->vp; 8817c478bd9Sstevel@tonic-gate dotdot = (nm[0] == '.' && nm[1] == '.' && nm[2] == '\0'); 8827c478bd9Sstevel@tonic-gate 8837c478bd9Sstevel@tonic-gate /* 8847c478bd9Sstevel@tonic-gate * If dotdotting, then need to check whether it's above the 8857c478bd9Sstevel@tonic-gate * root of a filesystem, or above an export point. 8867c478bd9Sstevel@tonic-gate */ 8877c478bd9Sstevel@tonic-gate if (dotdot) { 8887c478bd9Sstevel@tonic-gate 8897c478bd9Sstevel@tonic-gate /* 8907c478bd9Sstevel@tonic-gate * If dotdotting at the root of a filesystem, then 8917c478bd9Sstevel@tonic-gate * need to traverse back to the mounted-on filesystem 8927c478bd9Sstevel@tonic-gate * and do the dotdot lookup there. 8937c478bd9Sstevel@tonic-gate */ 8947c478bd9Sstevel@tonic-gate if (cs->vp->v_flag & VROOT) { 8957c478bd9Sstevel@tonic-gate 8967c478bd9Sstevel@tonic-gate /* 8977c478bd9Sstevel@tonic-gate * If at the system root, then can 8987c478bd9Sstevel@tonic-gate * go up no further. 8997c478bd9Sstevel@tonic-gate */ 9007c478bd9Sstevel@tonic-gate if (VN_CMP(dvp, rootdir)) 9017c478bd9Sstevel@tonic-gate return (puterrno4(ENOENT)); 9027c478bd9Sstevel@tonic-gate 9037c478bd9Sstevel@tonic-gate /* 9047c478bd9Sstevel@tonic-gate * Traverse back to the mounted-on filesystem 9057c478bd9Sstevel@tonic-gate */ 9067c478bd9Sstevel@tonic-gate dvp = untraverse(cs->vp); 9077c478bd9Sstevel@tonic-gate 9087c478bd9Sstevel@tonic-gate /* 9097c478bd9Sstevel@tonic-gate * Set the different_export flag so we remember 9107c478bd9Sstevel@tonic-gate * to pick up a new exportinfo entry for 9117c478bd9Sstevel@tonic-gate * this new filesystem. 9127c478bd9Sstevel@tonic-gate */ 9137c478bd9Sstevel@tonic-gate different_export = 1; 9147c478bd9Sstevel@tonic-gate } else { 9157c478bd9Sstevel@tonic-gate 9167c478bd9Sstevel@tonic-gate /* 9177c478bd9Sstevel@tonic-gate * If dotdotting above an export point then set 9187c478bd9Sstevel@tonic-gate * the different_export to get new export info. 9197c478bd9Sstevel@tonic-gate */ 9207c478bd9Sstevel@tonic-gate different_export = nfs_exported(cs->exi, cs->vp); 9217c478bd9Sstevel@tonic-gate } 9227c478bd9Sstevel@tonic-gate } 9237c478bd9Sstevel@tonic-gate 9247c478bd9Sstevel@tonic-gate /* 9257c478bd9Sstevel@tonic-gate * Get the vnode for the component "nm". 9267c478bd9Sstevel@tonic-gate */ 927da6c28aaSamw error = VOP_LOOKUP(dvp, nm, &vp, NULL, 0, NULL, cs->cr, 928da6c28aaSamw NULL, NULL, NULL); 9297c478bd9Sstevel@tonic-gate if (error) 9307c478bd9Sstevel@tonic-gate return (puterrno4(error)); 9317c478bd9Sstevel@tonic-gate 9327c478bd9Sstevel@tonic-gate /* 9337c478bd9Sstevel@tonic-gate * If the vnode is in a pseudo filesystem, or if the security flavor 9347c478bd9Sstevel@tonic-gate * used in the request is valid but not an explicitly shared flavor, 9357c478bd9Sstevel@tonic-gate * or the access bit indicates that this is a limited access, 9367c478bd9Sstevel@tonic-gate * check whether this vnode is visible. 9377c478bd9Sstevel@tonic-gate */ 9387c478bd9Sstevel@tonic-gate if (!different_export && 9397c478bd9Sstevel@tonic-gate (PSEUDO(cs->exi) || ! is_exported_sec(cs->nfsflavor, cs->exi) || 9407c478bd9Sstevel@tonic-gate cs->access & CS_ACCESS_LIMITED)) { 9417c478bd9Sstevel@tonic-gate if (! nfs_visible(cs->exi, vp, &different_export)) { 9427c478bd9Sstevel@tonic-gate VN_RELE(vp); 9437c478bd9Sstevel@tonic-gate return (puterrno4(ENOENT)); 9447c478bd9Sstevel@tonic-gate } 9457c478bd9Sstevel@tonic-gate } 9467c478bd9Sstevel@tonic-gate 9477c478bd9Sstevel@tonic-gate /* 9487c478bd9Sstevel@tonic-gate * If it's a mountpoint, then traverse it. 9497c478bd9Sstevel@tonic-gate */ 9507c478bd9Sstevel@tonic-gate if (vn_ismntpt(vp)) { 9517c478bd9Sstevel@tonic-gate tvp = vp; 9527c478bd9Sstevel@tonic-gate if ((error = traverse(&tvp)) != 0) { 9537c478bd9Sstevel@tonic-gate VN_RELE(vp); 9547c478bd9Sstevel@tonic-gate return (puterrno4(error)); 9557c478bd9Sstevel@tonic-gate } 9567c478bd9Sstevel@tonic-gate /* remember that we had to traverse mountpoint */ 9577c478bd9Sstevel@tonic-gate did_traverse = TRUE; 9587c478bd9Sstevel@tonic-gate vp = tvp; 9597c478bd9Sstevel@tonic-gate different_export = 1; 9607c478bd9Sstevel@tonic-gate } else if (vp->v_vfsp != dvp->v_vfsp) { 9617c478bd9Sstevel@tonic-gate /* 9627c478bd9Sstevel@tonic-gate * If vp isn't a mountpoint and the vfs ptrs aren't the same, 9637c478bd9Sstevel@tonic-gate * then vp is probably an LOFS object. We don't need the 9647c478bd9Sstevel@tonic-gate * realvp, we just need to know that we might have crossed 9657c478bd9Sstevel@tonic-gate * a server fs boundary and need to call checkexport4. 9667c478bd9Sstevel@tonic-gate * (LOFS lookup hides server fs mountpoints, and actually calls 9677c478bd9Sstevel@tonic-gate * traverse) 9687c478bd9Sstevel@tonic-gate */ 9697c478bd9Sstevel@tonic-gate different_export = 1; 9707c478bd9Sstevel@tonic-gate } 9717c478bd9Sstevel@tonic-gate 9727c478bd9Sstevel@tonic-gate /* 9737c478bd9Sstevel@tonic-gate * Get the export information for it. 9747c478bd9Sstevel@tonic-gate */ 9757c478bd9Sstevel@tonic-gate if (different_export) { 9767c478bd9Sstevel@tonic-gate 9777c478bd9Sstevel@tonic-gate bzero(&fid, sizeof (fid)); 9787c478bd9Sstevel@tonic-gate fid.fid_len = MAXFIDSZ; 9797c478bd9Sstevel@tonic-gate error = vop_fid_pseudo(vp, &fid); 9807c478bd9Sstevel@tonic-gate if (error) { 9817c478bd9Sstevel@tonic-gate VN_RELE(vp); 9827c478bd9Sstevel@tonic-gate return (puterrno4(error)); 9837c478bd9Sstevel@tonic-gate } 9847c478bd9Sstevel@tonic-gate 9857c478bd9Sstevel@tonic-gate if (dotdot) 9867c478bd9Sstevel@tonic-gate exi = nfs_vptoexi(NULL, vp, cs->cr, &walk, NULL, TRUE); 9877c478bd9Sstevel@tonic-gate else 9887c478bd9Sstevel@tonic-gate exi = checkexport4(&vp->v_vfsp->vfs_fsid, &fid, vp); 9897c478bd9Sstevel@tonic-gate 9907c478bd9Sstevel@tonic-gate if (exi == NULL) { 9917c478bd9Sstevel@tonic-gate if (did_traverse == TRUE) { 9927c478bd9Sstevel@tonic-gate /* 9937c478bd9Sstevel@tonic-gate * If this vnode is a mounted-on vnode, 9947c478bd9Sstevel@tonic-gate * but the mounted-on file system is not 9957c478bd9Sstevel@tonic-gate * exported, send back the secinfo for 9967c478bd9Sstevel@tonic-gate * the exported node that the mounted-on 9977c478bd9Sstevel@tonic-gate * vnode lives in. 9987c478bd9Sstevel@tonic-gate */ 9997c478bd9Sstevel@tonic-gate exi = cs->exi; 10007c478bd9Sstevel@tonic-gate } else { 10017c478bd9Sstevel@tonic-gate VN_RELE(vp); 10027c478bd9Sstevel@tonic-gate return (puterrno4(EACCES)); 10037c478bd9Sstevel@tonic-gate } 10047c478bd9Sstevel@tonic-gate } 10057c478bd9Sstevel@tonic-gate } else { 10067c478bd9Sstevel@tonic-gate exi = cs->exi; 10077c478bd9Sstevel@tonic-gate } 10087c478bd9Sstevel@tonic-gate ASSERT(exi != NULL); 10097c478bd9Sstevel@tonic-gate 10107c478bd9Sstevel@tonic-gate 10117c478bd9Sstevel@tonic-gate /* 10127c478bd9Sstevel@tonic-gate * Create the secinfo result based on the security information 10137c478bd9Sstevel@tonic-gate * from the exportinfo structure (exi). 10147c478bd9Sstevel@tonic-gate * 10157c478bd9Sstevel@tonic-gate * Return all flavors for a pseudo node. 10167c478bd9Sstevel@tonic-gate * For a real export node, return the flavor that the client 10177c478bd9Sstevel@tonic-gate * has access with. 10187c478bd9Sstevel@tonic-gate */ 10197c478bd9Sstevel@tonic-gate ASSERT(RW_LOCK_HELD(&exported_lock)); 10207c478bd9Sstevel@tonic-gate if (PSEUDO(exi)) { 10217c478bd9Sstevel@tonic-gate count = exi->exi_export.ex_seccnt; /* total sec count */ 10227c478bd9Sstevel@tonic-gate resok_val = kmem_alloc(count * sizeof (secinfo4), KM_SLEEP); 10237c478bd9Sstevel@tonic-gate secp = exi->exi_export.ex_secinfo; 10247c478bd9Sstevel@tonic-gate 10257c478bd9Sstevel@tonic-gate for (i = 0; i < count; i++) { 10261b300de9Sjwahlig si = &secp[i].s_secinfo; 10271b300de9Sjwahlig resok_val[i].flavor = si->sc_rpcnum; 10287c478bd9Sstevel@tonic-gate if (resok_val[i].flavor == RPCSEC_GSS) { 10297c478bd9Sstevel@tonic-gate rpcsec_gss_info *info; 10307c478bd9Sstevel@tonic-gate 10317c478bd9Sstevel@tonic-gate info = &resok_val[i].flavor_info; 10321b300de9Sjwahlig info->qop = si->sc_qop; 10331b300de9Sjwahlig info->service = (rpc_gss_svc_t)si->sc_service; 10347c478bd9Sstevel@tonic-gate 10357c478bd9Sstevel@tonic-gate /* get oid opaque data */ 10367c478bd9Sstevel@tonic-gate info->oid.sec_oid4_len = 10371b300de9Sjwahlig si->sc_gss_mech_type->length; 10381b300de9Sjwahlig info->oid.sec_oid4_val = kmem_alloc( 10391b300de9Sjwahlig si->sc_gss_mech_type->length, KM_SLEEP); 10401b300de9Sjwahlig bcopy( 10411b300de9Sjwahlig si->sc_gss_mech_type->elements, 10421b300de9Sjwahlig info->oid.sec_oid4_val, 10431b300de9Sjwahlig info->oid.sec_oid4_len); 10447c478bd9Sstevel@tonic-gate } 10457c478bd9Sstevel@tonic-gate } 10467c478bd9Sstevel@tonic-gate resp->SECINFO4resok_len = count; 10477c478bd9Sstevel@tonic-gate resp->SECINFO4resok_val = resok_val; 10487c478bd9Sstevel@tonic-gate } else { 10497c478bd9Sstevel@tonic-gate int ret_cnt = 0, k = 0; 10507c478bd9Sstevel@tonic-gate int *flavor_list; 10517c478bd9Sstevel@tonic-gate 10527c478bd9Sstevel@tonic-gate count = exi->exi_export.ex_seccnt; /* total sec count */ 10537c478bd9Sstevel@tonic-gate secp = exi->exi_export.ex_secinfo; 10547c478bd9Sstevel@tonic-gate 10557c478bd9Sstevel@tonic-gate flavor_list = kmem_alloc(count * sizeof (int), KM_SLEEP); 10567c478bd9Sstevel@tonic-gate /* find out which flavors to return */ 10577c478bd9Sstevel@tonic-gate for (i = 0; i < count; i ++) { 10587c478bd9Sstevel@tonic-gate int access, flavor, perm; 10597c478bd9Sstevel@tonic-gate 10607c478bd9Sstevel@tonic-gate flavor = secp[i].s_secinfo.sc_nfsnum; 10617c478bd9Sstevel@tonic-gate perm = secp[i].s_flags; 10627c478bd9Sstevel@tonic-gate 10637c478bd9Sstevel@tonic-gate access = nfsauth4_secinfo_access(exi, cs->req, 10647c478bd9Sstevel@tonic-gate flavor, perm); 10657c478bd9Sstevel@tonic-gate 10667c478bd9Sstevel@tonic-gate if (! (access & NFSAUTH_DENIED) && 10677c478bd9Sstevel@tonic-gate ! (access & NFSAUTH_WRONGSEC)) { 10687c478bd9Sstevel@tonic-gate flavor_list[ret_cnt] = flavor; 10697c478bd9Sstevel@tonic-gate ret_cnt++; 10707c478bd9Sstevel@tonic-gate } 10717c478bd9Sstevel@tonic-gate } 10727c478bd9Sstevel@tonic-gate 10737c478bd9Sstevel@tonic-gate /* Create the returning SECINFO value */ 10747c478bd9Sstevel@tonic-gate resok_val = kmem_alloc(ret_cnt * sizeof (secinfo4), KM_SLEEP); 10757c478bd9Sstevel@tonic-gate 10767c478bd9Sstevel@tonic-gate for (i = 0; i < count; i++) { 1077f3b585ceSsamf /* 1078f3b585ceSsamf * If the flavor is in the flavor list, 1079f3b585ceSsamf * fill in resok_val. 1080f3b585ceSsamf */ 10811b300de9Sjwahlig si = &secp[i].s_secinfo; 10821b300de9Sjwahlig if (in_flavor_list(si->sc_nfsnum, 10837c478bd9Sstevel@tonic-gate flavor_list, ret_cnt)) { 10841b300de9Sjwahlig resok_val[k].flavor = si->sc_rpcnum; 10857c478bd9Sstevel@tonic-gate if (resok_val[k].flavor == RPCSEC_GSS) { 10867c478bd9Sstevel@tonic-gate rpcsec_gss_info *info; 10877c478bd9Sstevel@tonic-gate 10887c478bd9Sstevel@tonic-gate info = &resok_val[k].flavor_info; 10891b300de9Sjwahlig info->qop = si->sc_qop; 10901b300de9Sjwahlig info->service = (rpc_gss_svc_t) 10911b300de9Sjwahlig si->sc_service; 10927c478bd9Sstevel@tonic-gate 10937c478bd9Sstevel@tonic-gate /* get oid opaque data */ 10947c478bd9Sstevel@tonic-gate info->oid.sec_oid4_len = 10951b300de9Sjwahlig si->sc_gss_mech_type->length; 10961b300de9Sjwahlig info->oid.sec_oid4_val = kmem_alloc( 10971b300de9Sjwahlig si->sc_gss_mech_type->length, 10987c478bd9Sstevel@tonic-gate KM_SLEEP); 10991b300de9Sjwahlig bcopy(si->sc_gss_mech_type->elements, 11001b300de9Sjwahlig info->oid.sec_oid4_val, 11011b300de9Sjwahlig info->oid.sec_oid4_len); 11027c478bd9Sstevel@tonic-gate } 11037c478bd9Sstevel@tonic-gate k++; 11047c478bd9Sstevel@tonic-gate } 11057c478bd9Sstevel@tonic-gate if (k >= ret_cnt) 11067c478bd9Sstevel@tonic-gate break; 11077c478bd9Sstevel@tonic-gate } 11087c478bd9Sstevel@tonic-gate resp->SECINFO4resok_len = ret_cnt; 11097c478bd9Sstevel@tonic-gate resp->SECINFO4resok_val = resok_val; 11107c478bd9Sstevel@tonic-gate kmem_free(flavor_list, count * sizeof (int)); 11117c478bd9Sstevel@tonic-gate } 11127c478bd9Sstevel@tonic-gate 11137c478bd9Sstevel@tonic-gate VN_RELE(vp); 11147c478bd9Sstevel@tonic-gate return (NFS4_OK); 11157c478bd9Sstevel@tonic-gate } 11167c478bd9Sstevel@tonic-gate 11177c478bd9Sstevel@tonic-gate /* 11187c478bd9Sstevel@tonic-gate * SECINFO (Operation 33): Obtain required security information on 11197c478bd9Sstevel@tonic-gate * the component name in the format of (security-mechanism-oid, qop, service) 11207c478bd9Sstevel@tonic-gate * triplets. 11217c478bd9Sstevel@tonic-gate */ 11227c478bd9Sstevel@tonic-gate /* ARGSUSED */ 11237c478bd9Sstevel@tonic-gate static void 11247c478bd9Sstevel@tonic-gate rfs4_op_secinfo(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 11257c478bd9Sstevel@tonic-gate struct compound_state *cs) 11267c478bd9Sstevel@tonic-gate { 1127f3b585ceSsamf SECINFO4args *args = &argop->nfs_argop4_u.opsecinfo; 11287c478bd9Sstevel@tonic-gate SECINFO4res *resp = &resop->nfs_resop4_u.opsecinfo; 1129f3b585ceSsamf utf8string *utfnm = &args->name; 11307c478bd9Sstevel@tonic-gate uint_t len; 11317c478bd9Sstevel@tonic-gate char *nm; 1132b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 1133b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 11347c478bd9Sstevel@tonic-gate 1135f3b585ceSsamf DTRACE_NFSV4_2(op__secinfo__start, struct compound_state *, cs, 1136f3b585ceSsamf SECINFO4args *, args); 1137f3b585ceSsamf 11387c478bd9Sstevel@tonic-gate /* 11397c478bd9Sstevel@tonic-gate * Current file handle (cfh) should have been set before getting 11407c478bd9Sstevel@tonic-gate * into this function. If not, return error. 11417c478bd9Sstevel@tonic-gate */ 11427c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 11437c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 1144f3b585ceSsamf goto out; 11457c478bd9Sstevel@tonic-gate } 11467c478bd9Sstevel@tonic-gate 11477c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VDIR) { 11487c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 1149f3b585ceSsamf goto out; 11507c478bd9Sstevel@tonic-gate } 11517c478bd9Sstevel@tonic-gate 11527c478bd9Sstevel@tonic-gate /* 11537c478bd9Sstevel@tonic-gate * Verify the component name. If failed, error out, but 11547c478bd9Sstevel@tonic-gate * do not error out if the component name is a "..". 11557c478bd9Sstevel@tonic-gate * SECINFO will return its parents secinfo data for SECINFO "..". 11567c478bd9Sstevel@tonic-gate */ 11577c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(utfnm)) { 11587c478bd9Sstevel@tonic-gate if (utfnm->utf8string_len != 2 || 11597c478bd9Sstevel@tonic-gate utfnm->utf8string_val[0] != '.' || 11607c478bd9Sstevel@tonic-gate utfnm->utf8string_val[1] != '.') { 11617c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 1162f3b585ceSsamf goto out; 11637c478bd9Sstevel@tonic-gate } 11647c478bd9Sstevel@tonic-gate } 11657c478bd9Sstevel@tonic-gate 11667c478bd9Sstevel@tonic-gate nm = utf8_to_str(utfnm, &len, NULL); 11677c478bd9Sstevel@tonic-gate if (nm == NULL) { 11687c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 1169f3b585ceSsamf goto out; 11707c478bd9Sstevel@tonic-gate } 11717c478bd9Sstevel@tonic-gate 11727c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 11737c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 11747c478bd9Sstevel@tonic-gate kmem_free(nm, len); 1175f3b585ceSsamf goto out; 11767c478bd9Sstevel@tonic-gate } 11777c478bd9Sstevel@tonic-gate 1178b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 1179b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 1180b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 11817c478bd9Sstevel@tonic-gate 1182b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 1183b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 1184b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, len); 1185b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 1186b89a8333Snatalie li - Sun Microsystems - Irvine United States } 1187b89a8333Snatalie li - Sun Microsystems - Irvine United States 1188b89a8333Snatalie li - Sun Microsystems - Irvine United States 1189b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = do_rfs4_op_secinfo(cs, name, resp); 1190b89a8333Snatalie li - Sun Microsystems - Irvine United States 1191b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 1192b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 11937c478bd9Sstevel@tonic-gate kmem_free(nm, len); 1194f3b585ceSsamf 1195f3b585ceSsamf out: 1196f3b585ceSsamf DTRACE_NFSV4_2(op__secinfo__done, struct compound_state *, cs, 1197f3b585ceSsamf SECINFO4res *, resp); 11987c478bd9Sstevel@tonic-gate } 11997c478bd9Sstevel@tonic-gate 12007c478bd9Sstevel@tonic-gate /* 12017c478bd9Sstevel@tonic-gate * Free SECINFO result. 12027c478bd9Sstevel@tonic-gate */ 12037c478bd9Sstevel@tonic-gate /* ARGSUSED */ 12047c478bd9Sstevel@tonic-gate static void 12057c478bd9Sstevel@tonic-gate rfs4_op_secinfo_free(nfs_resop4 *resop) 12067c478bd9Sstevel@tonic-gate { 12077c478bd9Sstevel@tonic-gate SECINFO4res *resp = &resop->nfs_resop4_u.opsecinfo; 12087c478bd9Sstevel@tonic-gate int count, i; 12097c478bd9Sstevel@tonic-gate secinfo4 *resok_val; 12107c478bd9Sstevel@tonic-gate 12117c478bd9Sstevel@tonic-gate /* If this is not an Ok result, nothing to free. */ 12127c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 12137c478bd9Sstevel@tonic-gate return; 12147c478bd9Sstevel@tonic-gate } 12157c478bd9Sstevel@tonic-gate 12167c478bd9Sstevel@tonic-gate count = resp->SECINFO4resok_len; 12177c478bd9Sstevel@tonic-gate resok_val = resp->SECINFO4resok_val; 12187c478bd9Sstevel@tonic-gate 12197c478bd9Sstevel@tonic-gate for (i = 0; i < count; i++) { 12207c478bd9Sstevel@tonic-gate if (resok_val[i].flavor == RPCSEC_GSS) { 12217c478bd9Sstevel@tonic-gate rpcsec_gss_info *info; 12227c478bd9Sstevel@tonic-gate 12237c478bd9Sstevel@tonic-gate info = &resok_val[i].flavor_info; 12241b300de9Sjwahlig kmem_free(info->oid.sec_oid4_val, 12251b300de9Sjwahlig info->oid.sec_oid4_len); 12267c478bd9Sstevel@tonic-gate } 12277c478bd9Sstevel@tonic-gate } 12287c478bd9Sstevel@tonic-gate kmem_free(resok_val, count * sizeof (secinfo4)); 12297c478bd9Sstevel@tonic-gate resp->SECINFO4resok_len = 0; 12307c478bd9Sstevel@tonic-gate resp->SECINFO4resok_val = NULL; 12317c478bd9Sstevel@tonic-gate } 12327c478bd9Sstevel@tonic-gate 12337c478bd9Sstevel@tonic-gate /* ARGSUSED */ 12347c478bd9Sstevel@tonic-gate static void 12357c478bd9Sstevel@tonic-gate rfs4_op_access(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 12367c478bd9Sstevel@tonic-gate struct compound_state *cs) 12377c478bd9Sstevel@tonic-gate { 12387c478bd9Sstevel@tonic-gate ACCESS4args *args = &argop->nfs_argop4_u.opaccess; 12397c478bd9Sstevel@tonic-gate ACCESS4res *resp = &resop->nfs_resop4_u.opaccess; 12407c478bd9Sstevel@tonic-gate int error; 12417c478bd9Sstevel@tonic-gate vnode_t *vp; 12427c478bd9Sstevel@tonic-gate struct vattr va; 12437c478bd9Sstevel@tonic-gate int checkwriteperm; 12447c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 124545916cd2Sjpk bslabel_t *clabel, *slabel; 124645916cd2Sjpk ts_label_t *tslabel; 124745916cd2Sjpk boolean_t admin_low_client; 12487c478bd9Sstevel@tonic-gate 1249f3b585ceSsamf DTRACE_NFSV4_2(op__access__start, struct compound_state *, cs, 1250f3b585ceSsamf ACCESS4args *, args); 1251f3b585ceSsamf 12527c478bd9Sstevel@tonic-gate #if 0 /* XXX allow access even if !cs->access. Eventually only pseudo fs */ 12537c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 12547c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 1255f3b585ceSsamf goto out; 12567c478bd9Sstevel@tonic-gate } 12577c478bd9Sstevel@tonic-gate #endif 12587c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 12597c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 1260f3b585ceSsamf goto out; 12617c478bd9Sstevel@tonic-gate } 12627c478bd9Sstevel@tonic-gate 12637c478bd9Sstevel@tonic-gate ASSERT(cr != NULL); 12647c478bd9Sstevel@tonic-gate 12657c478bd9Sstevel@tonic-gate vp = cs->vp; 12667c478bd9Sstevel@tonic-gate 12677c478bd9Sstevel@tonic-gate /* 12687c478bd9Sstevel@tonic-gate * If the file system is exported read only, it is not appropriate 12697c478bd9Sstevel@tonic-gate * to check write permissions for regular files and directories. 12707c478bd9Sstevel@tonic-gate * Special files are interpreted by the client, so the underlying 12717c478bd9Sstevel@tonic-gate * permissions are sent back to the client for interpretation. 12727c478bd9Sstevel@tonic-gate */ 12737c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req) && 12747c478bd9Sstevel@tonic-gate (vp->v_type == VREG || vp->v_type == VDIR)) 12757c478bd9Sstevel@tonic-gate checkwriteperm = 0; 12767c478bd9Sstevel@tonic-gate else 12777c478bd9Sstevel@tonic-gate checkwriteperm = 1; 12787c478bd9Sstevel@tonic-gate 12797c478bd9Sstevel@tonic-gate /* 12807c478bd9Sstevel@tonic-gate * XXX 12817c478bd9Sstevel@tonic-gate * We need the mode so that we can correctly determine access 12827c478bd9Sstevel@tonic-gate * permissions relative to a mandatory lock file. Access to 12837c478bd9Sstevel@tonic-gate * mandatory lock files is denied on the server, so it might 12847c478bd9Sstevel@tonic-gate * as well be reflected to the server during the open. 12857c478bd9Sstevel@tonic-gate */ 12867c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE; 1287da6c28aaSamw error = VOP_GETATTR(vp, &va, 0, cr, NULL); 12887c478bd9Sstevel@tonic-gate if (error) { 12897c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 1290f3b585ceSsamf goto out; 12917c478bd9Sstevel@tonic-gate } 12927c478bd9Sstevel@tonic-gate resp->access = 0; 12937c478bd9Sstevel@tonic-gate resp->supported = 0; 12947c478bd9Sstevel@tonic-gate 129545916cd2Sjpk if (is_system_labeled()) { 129645916cd2Sjpk ASSERT(req->rq_label != NULL); 129745916cd2Sjpk clabel = req->rq_label; 129845916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__opaccess__clabel, char *, 129945916cd2Sjpk "got client label from request(1)", 130045916cd2Sjpk struct svc_req *, req); 130145916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 1302bd6f1640SJarrett Lu if ((tslabel = nfs_getflabel(vp, cs->exi)) == NULL) { 130345916cd2Sjpk *cs->statusp = resp->status = puterrno4(EACCES); 1304f3b585ceSsamf goto out; 130545916cd2Sjpk } 130645916cd2Sjpk slabel = label2bslabel(tslabel); 130745916cd2Sjpk DTRACE_PROBE3(tx__rfs4__log__info__opaccess__slabel, 130845916cd2Sjpk char *, "got server label(1) for vp(2)", 130945916cd2Sjpk bslabel_t *, slabel, vnode_t *, vp); 131045916cd2Sjpk 131145916cd2Sjpk admin_low_client = B_FALSE; 131245916cd2Sjpk } else 131345916cd2Sjpk admin_low_client = B_TRUE; 131445916cd2Sjpk } 131545916cd2Sjpk 13167c478bd9Sstevel@tonic-gate if (args->access & ACCESS4_READ) { 1317da6c28aaSamw error = VOP_ACCESS(vp, VREAD, 0, cr, NULL); 131845916cd2Sjpk if (!error && !MANDLOCK(vp, va.va_mode) && 131945916cd2Sjpk (!is_system_labeled() || admin_low_client || 132045916cd2Sjpk bldominates(clabel, slabel))) 13217c478bd9Sstevel@tonic-gate resp->access |= ACCESS4_READ; 13227c478bd9Sstevel@tonic-gate resp->supported |= ACCESS4_READ; 13237c478bd9Sstevel@tonic-gate } 13247c478bd9Sstevel@tonic-gate if ((args->access & ACCESS4_LOOKUP) && vp->v_type == VDIR) { 1325da6c28aaSamw error = VOP_ACCESS(vp, VEXEC, 0, cr, NULL); 132645916cd2Sjpk if (!error && (!is_system_labeled() || admin_low_client || 132745916cd2Sjpk bldominates(clabel, slabel))) 13287c478bd9Sstevel@tonic-gate resp->access |= ACCESS4_LOOKUP; 13297c478bd9Sstevel@tonic-gate resp->supported |= ACCESS4_LOOKUP; 13307c478bd9Sstevel@tonic-gate } 13317c478bd9Sstevel@tonic-gate if (checkwriteperm && 13327c478bd9Sstevel@tonic-gate (args->access & (ACCESS4_MODIFY|ACCESS4_EXTEND))) { 1333da6c28aaSamw error = VOP_ACCESS(vp, VWRITE, 0, cr, NULL); 133445916cd2Sjpk if (!error && !MANDLOCK(vp, va.va_mode) && 133545916cd2Sjpk (!is_system_labeled() || admin_low_client || 133645916cd2Sjpk blequal(clabel, slabel))) 13377c478bd9Sstevel@tonic-gate resp->access |= 13387c478bd9Sstevel@tonic-gate (args->access & (ACCESS4_MODIFY | ACCESS4_EXTEND)); 13397c478bd9Sstevel@tonic-gate resp->supported |= (ACCESS4_MODIFY | ACCESS4_EXTEND); 13407c478bd9Sstevel@tonic-gate } 13417c478bd9Sstevel@tonic-gate 13427c478bd9Sstevel@tonic-gate if (checkwriteperm && 13437c478bd9Sstevel@tonic-gate (args->access & ACCESS4_DELETE) && vp->v_type == VDIR) { 1344da6c28aaSamw error = VOP_ACCESS(vp, VWRITE, 0, cr, NULL); 134545916cd2Sjpk if (!error && (!is_system_labeled() || admin_low_client || 134645916cd2Sjpk blequal(clabel, slabel))) 13477c478bd9Sstevel@tonic-gate resp->access |= ACCESS4_DELETE; 13487c478bd9Sstevel@tonic-gate resp->supported |= ACCESS4_DELETE; 13497c478bd9Sstevel@tonic-gate } 13507c478bd9Sstevel@tonic-gate if (args->access & ACCESS4_EXECUTE && vp->v_type != VDIR) { 1351da6c28aaSamw error = VOP_ACCESS(vp, VEXEC, 0, cr, NULL); 135245916cd2Sjpk if (!error && !MANDLOCK(vp, va.va_mode) && 135345916cd2Sjpk (!is_system_labeled() || admin_low_client || 135445916cd2Sjpk bldominates(clabel, slabel))) 13557c478bd9Sstevel@tonic-gate resp->access |= ACCESS4_EXECUTE; 13567c478bd9Sstevel@tonic-gate resp->supported |= ACCESS4_EXECUTE; 13577c478bd9Sstevel@tonic-gate } 13587c478bd9Sstevel@tonic-gate 135945916cd2Sjpk if (is_system_labeled() && !admin_low_client) 136045916cd2Sjpk label_rele(tslabel); 136145916cd2Sjpk 13627c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 1363f3b585ceSsamf out: 1364f3b585ceSsamf DTRACE_NFSV4_2(op__access__done, struct compound_state *, cs, 1365f3b585ceSsamf ACCESS4res *, resp); 13667c478bd9Sstevel@tonic-gate } 13677c478bd9Sstevel@tonic-gate 13687c478bd9Sstevel@tonic-gate /* ARGSUSED */ 13697c478bd9Sstevel@tonic-gate static void 13707c478bd9Sstevel@tonic-gate rfs4_op_commit(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 13717c478bd9Sstevel@tonic-gate struct compound_state *cs) 13727c478bd9Sstevel@tonic-gate { 13737c478bd9Sstevel@tonic-gate COMMIT4args *args = &argop->nfs_argop4_u.opcommit; 13747c478bd9Sstevel@tonic-gate COMMIT4res *resp = &resop->nfs_resop4_u.opcommit; 13757c478bd9Sstevel@tonic-gate int error; 13767c478bd9Sstevel@tonic-gate vnode_t *vp = cs->vp; 13777c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 13787c478bd9Sstevel@tonic-gate vattr_t va; 13797c478bd9Sstevel@tonic-gate 1380f3b585ceSsamf DTRACE_NFSV4_2(op__commit__start, struct compound_state *, cs, 1381f3b585ceSsamf COMMIT4args *, args); 1382f3b585ceSsamf 13837c478bd9Sstevel@tonic-gate if (vp == NULL) { 13847c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 1385f3b585ceSsamf goto out; 13867c478bd9Sstevel@tonic-gate } 13877c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 13887c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 1389f3b585ceSsamf goto out; 13907c478bd9Sstevel@tonic-gate } 13917c478bd9Sstevel@tonic-gate 13927c478bd9Sstevel@tonic-gate if (args->offset + args->count < args->offset) { 13937c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 1394f3b585ceSsamf goto out; 13957c478bd9Sstevel@tonic-gate } 13967c478bd9Sstevel@tonic-gate 13977c478bd9Sstevel@tonic-gate va.va_mask = AT_UID; 1398da6c28aaSamw error = VOP_GETATTR(vp, &va, 0, cr, NULL); 13997c478bd9Sstevel@tonic-gate 14007c478bd9Sstevel@tonic-gate /* 14017c478bd9Sstevel@tonic-gate * If we can't get the attributes, then we can't do the 14027c478bd9Sstevel@tonic-gate * right access checking. So, we'll fail the request. 14037c478bd9Sstevel@tonic-gate */ 14047c478bd9Sstevel@tonic-gate if (error) { 14057c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 1406f3b585ceSsamf goto out; 14077c478bd9Sstevel@tonic-gate } 14087c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 14097c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 1410f3b585ceSsamf goto out; 14117c478bd9Sstevel@tonic-gate } 14127c478bd9Sstevel@tonic-gate 14137c478bd9Sstevel@tonic-gate if (vp->v_type != VREG) { 14147c478bd9Sstevel@tonic-gate if (vp->v_type == VDIR) 14157c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_ISDIR; 14167c478bd9Sstevel@tonic-gate else 14177c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 14187c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 1419f3b585ceSsamf goto out; 14207c478bd9Sstevel@tonic-gate } 14217c478bd9Sstevel@tonic-gate 14227c478bd9Sstevel@tonic-gate if (crgetuid(cr) != va.va_uid && 1423da6c28aaSamw (error = VOP_ACCESS(vp, VWRITE, 0, cs->cr, NULL))) { 14247c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 1425f3b585ceSsamf goto out; 14267c478bd9Sstevel@tonic-gate } 14277c478bd9Sstevel@tonic-gate 1428f63200e6SJeff A. Smith error = VOP_FSYNC(vp, FSYNC, cr, NULL); 14297c478bd9Sstevel@tonic-gate 14307c478bd9Sstevel@tonic-gate if (error) { 14317c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 1432f3b585ceSsamf goto out; 14337c478bd9Sstevel@tonic-gate } 14347c478bd9Sstevel@tonic-gate 14357c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 14367c478bd9Sstevel@tonic-gate resp->writeverf = Write4verf; 1437f3b585ceSsamf out: 1438f3b585ceSsamf DTRACE_NFSV4_2(op__commit__done, struct compound_state *, cs, 1439f3b585ceSsamf COMMIT4res *, resp); 14407c478bd9Sstevel@tonic-gate } 14417c478bd9Sstevel@tonic-gate 14427c478bd9Sstevel@tonic-gate /* 14437c478bd9Sstevel@tonic-gate * rfs4_op_mknod is called from rfs4_op_create after all initial verification 14447c478bd9Sstevel@tonic-gate * was completed. It does the nfsv4 create for special files. 14457c478bd9Sstevel@tonic-gate */ 14467c478bd9Sstevel@tonic-gate /* ARGSUSED */ 14477c478bd9Sstevel@tonic-gate static vnode_t * 14487c478bd9Sstevel@tonic-gate do_rfs4_op_mknod(CREATE4args *args, CREATE4res *resp, struct svc_req *req, 14497c478bd9Sstevel@tonic-gate struct compound_state *cs, vattr_t *vap, char *nm) 14507c478bd9Sstevel@tonic-gate { 14517c478bd9Sstevel@tonic-gate int error; 14527c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 14537c478bd9Sstevel@tonic-gate vnode_t *dvp = cs->vp; 14547c478bd9Sstevel@tonic-gate vnode_t *vp = NULL; 14557c478bd9Sstevel@tonic-gate int mode; 14567c478bd9Sstevel@tonic-gate enum vcexcl excl; 14577c478bd9Sstevel@tonic-gate 14587c478bd9Sstevel@tonic-gate switch (args->type) { 14597c478bd9Sstevel@tonic-gate case NF4CHR: 14607c478bd9Sstevel@tonic-gate case NF4BLK: 14617c478bd9Sstevel@tonic-gate if (secpolicy_sys_devices(cr) != 0) { 14627c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_PERM; 14637c478bd9Sstevel@tonic-gate return (NULL); 14647c478bd9Sstevel@tonic-gate } 14657c478bd9Sstevel@tonic-gate if (args->type == NF4CHR) 14667c478bd9Sstevel@tonic-gate vap->va_type = VCHR; 14677c478bd9Sstevel@tonic-gate else 14687c478bd9Sstevel@tonic-gate vap->va_type = VBLK; 14697c478bd9Sstevel@tonic-gate vap->va_rdev = makedevice(args->ftype4_u.devdata.specdata1, 14707c478bd9Sstevel@tonic-gate args->ftype4_u.devdata.specdata2); 14717c478bd9Sstevel@tonic-gate vap->va_mask |= AT_RDEV; 14727c478bd9Sstevel@tonic-gate break; 14737c478bd9Sstevel@tonic-gate case NF4SOCK: 14747c478bd9Sstevel@tonic-gate vap->va_type = VSOCK; 14757c478bd9Sstevel@tonic-gate break; 14767c478bd9Sstevel@tonic-gate case NF4FIFO: 14777c478bd9Sstevel@tonic-gate vap->va_type = VFIFO; 14787c478bd9Sstevel@tonic-gate break; 14797c478bd9Sstevel@tonic-gate default: 14807c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BADTYPE; 14817c478bd9Sstevel@tonic-gate return (NULL); 14827c478bd9Sstevel@tonic-gate } 14837c478bd9Sstevel@tonic-gate 14847c478bd9Sstevel@tonic-gate /* 14857c478bd9Sstevel@tonic-gate * Must specify the mode. 14867c478bd9Sstevel@tonic-gate */ 14877c478bd9Sstevel@tonic-gate if (!(vap->va_mask & AT_MODE)) { 14887c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 14897c478bd9Sstevel@tonic-gate return (NULL); 14907c478bd9Sstevel@tonic-gate } 14917c478bd9Sstevel@tonic-gate 14927c478bd9Sstevel@tonic-gate excl = EXCL; 14937c478bd9Sstevel@tonic-gate 14947c478bd9Sstevel@tonic-gate mode = 0; 14957c478bd9Sstevel@tonic-gate 1496da6c28aaSamw error = VOP_CREATE(dvp, nm, vap, excl, mode, &vp, cr, 0, NULL, NULL); 14977c478bd9Sstevel@tonic-gate if (error) { 14987c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 14997c478bd9Sstevel@tonic-gate return (NULL); 15007c478bd9Sstevel@tonic-gate } 15017c478bd9Sstevel@tonic-gate return (vp); 15027c478bd9Sstevel@tonic-gate } 15037c478bd9Sstevel@tonic-gate 15047c478bd9Sstevel@tonic-gate /* 15057c478bd9Sstevel@tonic-gate * nfsv4 create is used to create non-regular files. For regular files, 15067c478bd9Sstevel@tonic-gate * use nfsv4 open. 15077c478bd9Sstevel@tonic-gate */ 15087c478bd9Sstevel@tonic-gate /* ARGSUSED */ 15097c478bd9Sstevel@tonic-gate static void 15107c478bd9Sstevel@tonic-gate rfs4_op_create(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 15117c478bd9Sstevel@tonic-gate struct compound_state *cs) 15127c478bd9Sstevel@tonic-gate { 15137c478bd9Sstevel@tonic-gate CREATE4args *args = &argop->nfs_argop4_u.opcreate; 15147c478bd9Sstevel@tonic-gate CREATE4res *resp = &resop->nfs_resop4_u.opcreate; 15157c478bd9Sstevel@tonic-gate int error; 15167c478bd9Sstevel@tonic-gate struct vattr bva, iva, iva2, ava, *vap; 15177c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 15187c478bd9Sstevel@tonic-gate vnode_t *dvp = cs->vp; 15197c478bd9Sstevel@tonic-gate vnode_t *vp = NULL; 1520fd7da618Sgt29601 vnode_t *realvp; 15217c478bd9Sstevel@tonic-gate char *nm, *lnm; 15227c478bd9Sstevel@tonic-gate uint_t len, llen; 15237c478bd9Sstevel@tonic-gate int syncval = 0; 15247c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 15257c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 15267c478bd9Sstevel@tonic-gate struct statvfs64 sb; 15277c478bd9Sstevel@tonic-gate nfsstat4 status; 1528b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 1529b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 1530b89a8333Snatalie li - Sun Microsystems - Irvine United States char *lname = NULL; 15317c478bd9Sstevel@tonic-gate 1532f3b585ceSsamf DTRACE_NFSV4_2(op__create__start, struct compound_state *, cs, 1533f3b585ceSsamf CREATE4args *, args); 1534f3b585ceSsamf 15357c478bd9Sstevel@tonic-gate resp->attrset = 0; 15367c478bd9Sstevel@tonic-gate 15377c478bd9Sstevel@tonic-gate if (dvp == NULL) { 15387c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 1539f3b585ceSsamf goto out; 15407c478bd9Sstevel@tonic-gate } 15417c478bd9Sstevel@tonic-gate 15427c478bd9Sstevel@tonic-gate /* 15437c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 15447c478bd9Sstevel@tonic-gate * do not allow to create an object in this directory. 15457c478bd9Sstevel@tonic-gate */ 15467c478bd9Sstevel@tonic-gate if (vn_ismntpt(dvp)) { 15477c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 1548f3b585ceSsamf goto out; 15497c478bd9Sstevel@tonic-gate } 15507c478bd9Sstevel@tonic-gate 15517c478bd9Sstevel@tonic-gate /* Verify that type is correct */ 15527c478bd9Sstevel@tonic-gate switch (args->type) { 15537c478bd9Sstevel@tonic-gate case NF4LNK: 15547c478bd9Sstevel@tonic-gate case NF4BLK: 15557c478bd9Sstevel@tonic-gate case NF4CHR: 15567c478bd9Sstevel@tonic-gate case NF4SOCK: 15577c478bd9Sstevel@tonic-gate case NF4FIFO: 15587c478bd9Sstevel@tonic-gate case NF4DIR: 15597c478bd9Sstevel@tonic-gate break; 15607c478bd9Sstevel@tonic-gate default: 15617c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BADTYPE; 1562f3b585ceSsamf goto out; 15637c478bd9Sstevel@tonic-gate }; 15647c478bd9Sstevel@tonic-gate 15657c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 15667c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 1567f3b585ceSsamf goto out; 15687c478bd9Sstevel@tonic-gate } 15697c478bd9Sstevel@tonic-gate if (dvp->v_type != VDIR) { 15707c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 1571f3b585ceSsamf goto out; 15727c478bd9Sstevel@tonic-gate } 15737c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->objname)) { 15747c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 1575f3b585ceSsamf goto out; 15767c478bd9Sstevel@tonic-gate } 15777c478bd9Sstevel@tonic-gate 15787c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 15797c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 1580f3b585ceSsamf goto out; 15817c478bd9Sstevel@tonic-gate } 15827c478bd9Sstevel@tonic-gate 15837c478bd9Sstevel@tonic-gate /* 15847c478bd9Sstevel@tonic-gate * Name of newly created object 15857c478bd9Sstevel@tonic-gate */ 15867c478bd9Sstevel@tonic-gate nm = utf8_to_fn(&args->objname, &len, NULL); 15877c478bd9Sstevel@tonic-gate if (nm == NULL) { 15887c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 1589f3b585ceSsamf goto out; 15907c478bd9Sstevel@tonic-gate } 15917c478bd9Sstevel@tonic-gate 15927c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 15937c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 15947c478bd9Sstevel@tonic-gate kmem_free(nm, len); 1595f3b585ceSsamf goto out; 15967c478bd9Sstevel@tonic-gate } 15977c478bd9Sstevel@tonic-gate 1598b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 1599b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 1600b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 1601b89a8333Snatalie li - Sun Microsystems - Irvine United States 1602b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 1603b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 1604b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, len); 1605b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 1606b89a8333Snatalie li - Sun Microsystems - Irvine United States } 1607b89a8333Snatalie li - Sun Microsystems - Irvine United States 16087c478bd9Sstevel@tonic-gate resp->attrset = 0; 16097c478bd9Sstevel@tonic-gate 16107c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 16112f172c55SRobert Thurlow sarg.is_referral = B_FALSE; 16127c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 16137c478bd9Sstevel@tonic-gate 16147c478bd9Sstevel@tonic-gate status = do_rfs4_set_attrs(&resp->attrset, 16151b300de9Sjwahlig &args->createattrs, cs, &sarg, &ntov, NFS4ATTR_SETIT); 16167c478bd9Sstevel@tonic-gate 16177c478bd9Sstevel@tonic-gate if (sarg.vap->va_mask == 0 && status == NFS4_OK) 16187c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 16197c478bd9Sstevel@tonic-gate 16207c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 16217c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 162259fb210bSJan Kryl if (name != nm) 162359fb210bSJan Kryl kmem_free(name, MAXPATHLEN + 1); 16247c478bd9Sstevel@tonic-gate kmem_free(nm, len); 16257c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 16267c478bd9Sstevel@tonic-gate resp->attrset = 0; 1627f3b585ceSsamf goto out; 16287c478bd9Sstevel@tonic-gate } 16297c478bd9Sstevel@tonic-gate 16307c478bd9Sstevel@tonic-gate /* Get "before" change value */ 1631e3c57d6aSGerald Thornbrugh bva.va_mask = AT_CTIME|AT_SEQ|AT_MODE; 1632da6c28aaSamw error = VOP_GETATTR(dvp, &bva, 0, cr, NULL); 16337c478bd9Sstevel@tonic-gate if (error) { 16347c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 163559fb210bSJan Kryl if (name != nm) 163659fb210bSJan Kryl kmem_free(name, MAXPATHLEN + 1); 16377c478bd9Sstevel@tonic-gate kmem_free(nm, len); 16387c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 16397c478bd9Sstevel@tonic-gate resp->attrset = 0; 1640f3b585ceSsamf goto out; 16417c478bd9Sstevel@tonic-gate } 16427c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.before, bva.va_ctime) 16437c478bd9Sstevel@tonic-gate 16447c478bd9Sstevel@tonic-gate vap = sarg.vap; 16457c478bd9Sstevel@tonic-gate 16467c478bd9Sstevel@tonic-gate /* 1647e3c57d6aSGerald Thornbrugh * Set the default initial values for attributes when the parent 1648e3c57d6aSGerald Thornbrugh * directory does not have the VSUID/VSGID bit set and they have 1649e3c57d6aSGerald Thornbrugh * not been specified in createattrs. 16507c478bd9Sstevel@tonic-gate */ 1651e3c57d6aSGerald Thornbrugh if (!(bva.va_mode & VSUID) && (vap->va_mask & AT_UID) == 0) { 16527c478bd9Sstevel@tonic-gate vap->va_uid = crgetuid(cr); 16537c478bd9Sstevel@tonic-gate vap->va_mask |= AT_UID; 16547c478bd9Sstevel@tonic-gate } 1655e3c57d6aSGerald Thornbrugh if (!(bva.va_mode & VSGID) && (vap->va_mask & AT_GID) == 0) { 16567c478bd9Sstevel@tonic-gate vap->va_gid = crgetgid(cr); 16577c478bd9Sstevel@tonic-gate vap->va_mask |= AT_GID; 16587c478bd9Sstevel@tonic-gate } 16597c478bd9Sstevel@tonic-gate 16607c478bd9Sstevel@tonic-gate vap->va_mask |= AT_TYPE; 16617c478bd9Sstevel@tonic-gate switch (args->type) { 16627c478bd9Sstevel@tonic-gate case NF4DIR: 16637c478bd9Sstevel@tonic-gate vap->va_type = VDIR; 16647c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_MODE) == 0) { 16657c478bd9Sstevel@tonic-gate vap->va_mode = 0700; /* default: owner rwx only */ 16667c478bd9Sstevel@tonic-gate vap->va_mask |= AT_MODE; 16677c478bd9Sstevel@tonic-gate } 166859fb210bSJan Kryl error = VOP_MKDIR(dvp, name, vap, &vp, cr, NULL, 0, NULL); 16697c478bd9Sstevel@tonic-gate if (error) 16707c478bd9Sstevel@tonic-gate break; 16717c478bd9Sstevel@tonic-gate 16727c478bd9Sstevel@tonic-gate /* 16737c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, 16747c478bd9Sstevel@tonic-gate * set to zero 16757c478bd9Sstevel@tonic-gate */ 16767c478bd9Sstevel@tonic-gate iva.va_mask = AT_SEQ; 1677da6c28aaSamw if (VOP_GETATTR(dvp, &iva, 0, cs->cr, NULL)) 16787c478bd9Sstevel@tonic-gate iva.va_seq = 0; 16797c478bd9Sstevel@tonic-gate break; 16807c478bd9Sstevel@tonic-gate case NF4LNK: 16817c478bd9Sstevel@tonic-gate vap->va_type = VLNK; 16827c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_MODE) == 0) { 16837c478bd9Sstevel@tonic-gate vap->va_mode = 0700; /* default: owner rwx only */ 16847c478bd9Sstevel@tonic-gate vap->va_mask |= AT_MODE; 16857c478bd9Sstevel@tonic-gate } 16867c478bd9Sstevel@tonic-gate 16877c478bd9Sstevel@tonic-gate /* 16887c478bd9Sstevel@tonic-gate * symlink names must be treated as data 16897c478bd9Sstevel@tonic-gate */ 16907c478bd9Sstevel@tonic-gate lnm = utf8_to_str(&args->ftype4_u.linkdata, &llen, NULL); 16917c478bd9Sstevel@tonic-gate 16927c478bd9Sstevel@tonic-gate if (lnm == NULL) { 16937c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 1694b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 1695b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 16967c478bd9Sstevel@tonic-gate kmem_free(nm, len); 16977c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 16987c478bd9Sstevel@tonic-gate resp->attrset = 0; 1699f3b585ceSsamf goto out; 17007c478bd9Sstevel@tonic-gate } 17017c478bd9Sstevel@tonic-gate 17027c478bd9Sstevel@tonic-gate if (llen > MAXPATHLEN) { 17037c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 1704b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 1705b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 1706b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, len); 1707b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(lnm, llen); 1708b89a8333Snatalie li - Sun Microsystems - Irvine United States nfs4_ntov_table_free(&ntov, &sarg); 1709b89a8333Snatalie li - Sun Microsystems - Irvine United States resp->attrset = 0; 1710b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 1711b89a8333Snatalie li - Sun Microsystems - Irvine United States } 1712b89a8333Snatalie li - Sun Microsystems - Irvine United States 1713b89a8333Snatalie li - Sun Microsystems - Irvine United States lname = nfscmd_convname(ca, cs->exi, lnm, 1714b89a8333Snatalie li - Sun Microsystems - Irvine United States NFSCMD_CONV_INBOUND, MAXPATHLEN + 1); 1715b89a8333Snatalie li - Sun Microsystems - Irvine United States 1716b89a8333Snatalie li - Sun Microsystems - Irvine United States if (lname == NULL) { 1717b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 1718b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 1719b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 17207c478bd9Sstevel@tonic-gate kmem_free(nm, len); 17217c478bd9Sstevel@tonic-gate kmem_free(lnm, llen); 17227c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 17237c478bd9Sstevel@tonic-gate resp->attrset = 0; 1724f3b585ceSsamf goto out; 17257c478bd9Sstevel@tonic-gate } 17267c478bd9Sstevel@tonic-gate 172759fb210bSJan Kryl error = VOP_SYMLINK(dvp, name, vap, lname, cr, NULL, 0); 1728b89a8333Snatalie li - Sun Microsystems - Irvine United States if (lname != lnm) 1729b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(lname, MAXPATHLEN + 1); 17307c478bd9Sstevel@tonic-gate kmem_free(lnm, llen); 17317c478bd9Sstevel@tonic-gate if (error) 17327c478bd9Sstevel@tonic-gate break; 17337c478bd9Sstevel@tonic-gate 17347c478bd9Sstevel@tonic-gate /* 17357c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, 17367c478bd9Sstevel@tonic-gate * set to zero 17377c478bd9Sstevel@tonic-gate */ 17387c478bd9Sstevel@tonic-gate iva.va_mask = AT_SEQ; 1739da6c28aaSamw if (VOP_GETATTR(dvp, &iva, 0, cs->cr, NULL)) 17407c478bd9Sstevel@tonic-gate iva.va_seq = 0; 17417c478bd9Sstevel@tonic-gate 174259fb210bSJan Kryl error = VOP_LOOKUP(dvp, name, &vp, NULL, 0, NULL, cr, 1743da6c28aaSamw NULL, NULL, NULL); 17447c478bd9Sstevel@tonic-gate if (error) 17457c478bd9Sstevel@tonic-gate break; 17467c478bd9Sstevel@tonic-gate 17477c478bd9Sstevel@tonic-gate /* 17487c478bd9Sstevel@tonic-gate * va_seq is not safe over VOP calls, check it again 17497c478bd9Sstevel@tonic-gate * if it has changed zero out iva to force atomic = FALSE. 17507c478bd9Sstevel@tonic-gate */ 17517c478bd9Sstevel@tonic-gate iva2.va_mask = AT_SEQ; 1752da6c28aaSamw if (VOP_GETATTR(dvp, &iva2, 0, cs->cr, NULL) || 17537c478bd9Sstevel@tonic-gate iva2.va_seq != iva.va_seq) 17547c478bd9Sstevel@tonic-gate iva.va_seq = 0; 17557c478bd9Sstevel@tonic-gate break; 17567c478bd9Sstevel@tonic-gate default: 17577c478bd9Sstevel@tonic-gate /* 17587c478bd9Sstevel@tonic-gate * probably a special file. 17597c478bd9Sstevel@tonic-gate */ 17607c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_MODE) == 0) { 17617c478bd9Sstevel@tonic-gate vap->va_mode = 0600; /* default: owner rw only */ 17627c478bd9Sstevel@tonic-gate vap->va_mask |= AT_MODE; 17637c478bd9Sstevel@tonic-gate } 17647c478bd9Sstevel@tonic-gate syncval = FNODSYNC; 17657c478bd9Sstevel@tonic-gate /* 17667c478bd9Sstevel@tonic-gate * We know this will only generate one VOP call 17677c478bd9Sstevel@tonic-gate */ 176859fb210bSJan Kryl vp = do_rfs4_op_mknod(args, resp, req, cs, vap, name); 17697c478bd9Sstevel@tonic-gate 17707c478bd9Sstevel@tonic-gate if (vp == NULL) { 1771b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 1772b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 17737c478bd9Sstevel@tonic-gate kmem_free(nm, len); 17747c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 17757c478bd9Sstevel@tonic-gate resp->attrset = 0; 1776f3b585ceSsamf goto out; 17777c478bd9Sstevel@tonic-gate } 17787c478bd9Sstevel@tonic-gate 17797c478bd9Sstevel@tonic-gate /* 17807c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, 17817c478bd9Sstevel@tonic-gate * set to zero 17827c478bd9Sstevel@tonic-gate */ 17837c478bd9Sstevel@tonic-gate iva.va_mask = AT_SEQ; 1784da6c28aaSamw if (VOP_GETATTR(dvp, &iva, 0, cs->cr, NULL)) 17857c478bd9Sstevel@tonic-gate iva.va_seq = 0; 17867c478bd9Sstevel@tonic-gate 17877c478bd9Sstevel@tonic-gate break; 17887c478bd9Sstevel@tonic-gate } 1789b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 1790b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 17917c478bd9Sstevel@tonic-gate kmem_free(nm, len); 17927c478bd9Sstevel@tonic-gate 17937c478bd9Sstevel@tonic-gate if (error) { 17947c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 17957c478bd9Sstevel@tonic-gate } 17967c478bd9Sstevel@tonic-gate 17977c478bd9Sstevel@tonic-gate /* 17987c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 17997c478bd9Sstevel@tonic-gate */ 1800da6c28aaSamw (void) VOP_FSYNC(dvp, 0, cr, NULL); 18017c478bd9Sstevel@tonic-gate 18027c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 18037c478bd9Sstevel@tonic-gate if (vp != NULL) 18047c478bd9Sstevel@tonic-gate VN_RELE(vp); 18057c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 18067c478bd9Sstevel@tonic-gate resp->attrset = 0; 1807f3b585ceSsamf goto out; 18087c478bd9Sstevel@tonic-gate } 18097c478bd9Sstevel@tonic-gate 18107c478bd9Sstevel@tonic-gate /* 18117c478bd9Sstevel@tonic-gate * Finish setup of cinfo response, "before" value already set. 18127c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 18137c478bd9Sstevel@tonic-gate * before value. 18147c478bd9Sstevel@tonic-gate */ 18157c478bd9Sstevel@tonic-gate ava.va_mask = AT_CTIME|AT_SEQ; 1816da6c28aaSamw if (VOP_GETATTR(dvp, &ava, 0, cr, NULL)) { 18177c478bd9Sstevel@tonic-gate ava.va_ctime = bva.va_ctime; 18187c478bd9Sstevel@tonic-gate ava.va_seq = 0; 18197c478bd9Sstevel@tonic-gate } 18207c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.after, ava.va_ctime); 18217c478bd9Sstevel@tonic-gate 18227c478bd9Sstevel@tonic-gate /* 18237c478bd9Sstevel@tonic-gate * True verification that object was created with correct 18247c478bd9Sstevel@tonic-gate * attrs is impossible. The attrs could have been changed 18257c478bd9Sstevel@tonic-gate * immediately after object creation. If attributes did 18267c478bd9Sstevel@tonic-gate * not verify, the only recourse for the server is to 18277c478bd9Sstevel@tonic-gate * destroy the object. Maybe if some attrs (like gid) 18287c478bd9Sstevel@tonic-gate * are set incorrectly, the object should be destroyed; 18297c478bd9Sstevel@tonic-gate * however, seems bad as a default policy. Do we really 18307c478bd9Sstevel@tonic-gate * want to destroy an object over one of the times not 18317c478bd9Sstevel@tonic-gate * verifying correctly? For these reasons, the server 18327c478bd9Sstevel@tonic-gate * currently sets bits in attrset for createattrs 18337c478bd9Sstevel@tonic-gate * that were set; however, no verification is done. 18347c478bd9Sstevel@tonic-gate * 18357c478bd9Sstevel@tonic-gate * vmask_to_nmask accounts for vattr bits set on create 18367c478bd9Sstevel@tonic-gate * [do_rfs4_set_attrs() only sets resp bits for 18377c478bd9Sstevel@tonic-gate * non-vattr/vfs bits.] 18387c478bd9Sstevel@tonic-gate * Mask off any bits set by default so as not to return 18397c478bd9Sstevel@tonic-gate * more attrset bits than were requested in createattrs 18407c478bd9Sstevel@tonic-gate */ 18417c478bd9Sstevel@tonic-gate nfs4_vmask_to_nmask(sarg.vap->va_mask, &resp->attrset); 18427c478bd9Sstevel@tonic-gate resp->attrset &= args->createattrs.attrmask; 18437c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 18447c478bd9Sstevel@tonic-gate 18457c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, vp, cs->exi); 18467c478bd9Sstevel@tonic-gate if (error) { 18477c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 18487c478bd9Sstevel@tonic-gate } 18497c478bd9Sstevel@tonic-gate 18507c478bd9Sstevel@tonic-gate /* 18517c478bd9Sstevel@tonic-gate * The cinfo.atomic = TRUE only if we got no errors, we have 18527c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 18537c478bd9Sstevel@tonic-gate * during the creation and it didn't change during the VOP_LOOKUP 18547c478bd9Sstevel@tonic-gate * or VOP_FSYNC. 18557c478bd9Sstevel@tonic-gate */ 18567c478bd9Sstevel@tonic-gate if (!error && bva.va_seq && iva.va_seq && ava.va_seq && 18571b300de9Sjwahlig iva.va_seq == (bva.va_seq + 1) && iva.va_seq == ava.va_seq) 18587c478bd9Sstevel@tonic-gate resp->cinfo.atomic = TRUE; 18597c478bd9Sstevel@tonic-gate else 18607c478bd9Sstevel@tonic-gate resp->cinfo.atomic = FALSE; 18617c478bd9Sstevel@tonic-gate 1862fd7da618Sgt29601 /* 1863fd7da618Sgt29601 * Force modified metadata out to stable storage. 1864fd7da618Sgt29601 * 1865fd7da618Sgt29601 * if a underlying vp exists, pass it to VOP_FSYNC 1866fd7da618Sgt29601 */ 1867fd7da618Sgt29601 if (VOP_REALVP(vp, &realvp, NULL) == 0) 1868fd7da618Sgt29601 (void) VOP_FSYNC(realvp, syncval, cr, NULL); 1869fd7da618Sgt29601 else 1870da6c28aaSamw (void) VOP_FSYNC(vp, syncval, cr, NULL); 18717c478bd9Sstevel@tonic-gate 18727c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 18737c478bd9Sstevel@tonic-gate VN_RELE(vp); 1874f3b585ceSsamf goto out; 18757c478bd9Sstevel@tonic-gate } 18767c478bd9Sstevel@tonic-gate if (cs->vp) 18777c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 18787c478bd9Sstevel@tonic-gate 18797c478bd9Sstevel@tonic-gate cs->vp = vp; 18807c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 1881f3b585ceSsamf out: 1882f3b585ceSsamf DTRACE_NFSV4_2(op__create__done, struct compound_state *, cs, 1883f3b585ceSsamf CREATE4res *, resp); 18847c478bd9Sstevel@tonic-gate } 18857c478bd9Sstevel@tonic-gate 1886f3b585ceSsamf /*ARGSUSED*/ 1887f3b585ceSsamf static void 1888f3b585ceSsamf rfs4_op_delegpurge(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 1889f3b585ceSsamf struct compound_state *cs) 1890f3b585ceSsamf { 1891f3b585ceSsamf DTRACE_NFSV4_2(op__delegpurge__start, struct compound_state *, cs, 1892f3b585ceSsamf DELEGPURGE4args *, &argop->nfs_argop4_u.opdelegpurge); 1893f3b585ceSsamf 1894f3b585ceSsamf rfs4_op_inval(argop, resop, req, cs); 1895f3b585ceSsamf 1896f3b585ceSsamf DTRACE_NFSV4_2(op__delegpurge__done, struct compound_state *, cs, 1897f3b585ceSsamf DELEGPURGE4res *, &resop->nfs_resop4_u.opdelegpurge); 1898f3b585ceSsamf } 18997c478bd9Sstevel@tonic-gate 19007c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 19017c478bd9Sstevel@tonic-gate static void 19027c478bd9Sstevel@tonic-gate rfs4_op_delegreturn(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 19037c478bd9Sstevel@tonic-gate struct compound_state *cs) 19047c478bd9Sstevel@tonic-gate { 19057c478bd9Sstevel@tonic-gate DELEGRETURN4args *args = &argop->nfs_argop4_u.opdelegreturn; 19067c478bd9Sstevel@tonic-gate DELEGRETURN4res *resp = &resop->nfs_resop4_u.opdelegreturn; 19077c478bd9Sstevel@tonic-gate rfs4_deleg_state_t *dsp; 19087c478bd9Sstevel@tonic-gate nfsstat4 status; 19097c478bd9Sstevel@tonic-gate 1910f3b585ceSsamf DTRACE_NFSV4_2(op__delegreturn__start, struct compound_state *, cs, 1911f3b585ceSsamf DELEGRETURN4args *, args); 1912f3b585ceSsamf 19137c478bd9Sstevel@tonic-gate status = rfs4_get_deleg_state(&args->deleg_stateid, &dsp); 19147c478bd9Sstevel@tonic-gate resp->status = *cs->statusp = status; 19157c478bd9Sstevel@tonic-gate if (status != NFS4_OK) 1916f3b585ceSsamf goto out; 19177c478bd9Sstevel@tonic-gate 19187c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 1919d216dff5SRobert Mastors if (cs->vp != dsp->rds_finfo->rf_vp) { 19207c478bd9Sstevel@tonic-gate resp->status = *cs->statusp = NFS4ERR_BAD_STATEID; 19217c478bd9Sstevel@tonic-gate } else 19227c478bd9Sstevel@tonic-gate rfs4_return_deleg(dsp, FALSE); 19237c478bd9Sstevel@tonic-gate 1924d216dff5SRobert Mastors rfs4_update_lease(dsp->rds_client); 19257c478bd9Sstevel@tonic-gate 19267c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 1927f3b585ceSsamf out: 1928f3b585ceSsamf DTRACE_NFSV4_2(op__delegreturn__done, struct compound_state *, cs, 1929f3b585ceSsamf DELEGRETURN4res *, resp); 19307c478bd9Sstevel@tonic-gate } 19317c478bd9Sstevel@tonic-gate 19327c478bd9Sstevel@tonic-gate /* 19337c478bd9Sstevel@tonic-gate * Check to see if a given "flavor" is an explicitly shared flavor. 19347c478bd9Sstevel@tonic-gate * The assumption of this routine is the "flavor" is already a valid 19357c478bd9Sstevel@tonic-gate * flavor in the secinfo list of "exi". 19367c478bd9Sstevel@tonic-gate * 19377c478bd9Sstevel@tonic-gate * e.g. 19387c478bd9Sstevel@tonic-gate * # share -o sec=flavor1 /export 19397c478bd9Sstevel@tonic-gate * # share -o sec=flavor2 /export/home 19407c478bd9Sstevel@tonic-gate * 19417c478bd9Sstevel@tonic-gate * flavor2 is not an explicitly shared flavor for /export, 19427c478bd9Sstevel@tonic-gate * however it is in the secinfo list for /export thru the 19437c478bd9Sstevel@tonic-gate * server namespace setup. 19447c478bd9Sstevel@tonic-gate */ 19457c478bd9Sstevel@tonic-gate int 19467c478bd9Sstevel@tonic-gate is_exported_sec(int flavor, struct exportinfo *exi) 19477c478bd9Sstevel@tonic-gate { 19487c478bd9Sstevel@tonic-gate int i; 19497c478bd9Sstevel@tonic-gate struct secinfo *sp; 19507c478bd9Sstevel@tonic-gate 19517c478bd9Sstevel@tonic-gate sp = exi->exi_export.ex_secinfo; 19527c478bd9Sstevel@tonic-gate for (i = 0; i < exi->exi_export.ex_seccnt; i++) { 19537c478bd9Sstevel@tonic-gate if (flavor == sp[i].s_secinfo.sc_nfsnum || 19547c478bd9Sstevel@tonic-gate sp[i].s_secinfo.sc_nfsnum == AUTH_NONE) { 19557c478bd9Sstevel@tonic-gate return (SEC_REF_EXPORTED(&sp[i])); 19567c478bd9Sstevel@tonic-gate } 19577c478bd9Sstevel@tonic-gate } 19587c478bd9Sstevel@tonic-gate 19597c478bd9Sstevel@tonic-gate /* Should not reach this point based on the assumption */ 19607c478bd9Sstevel@tonic-gate return (0); 19617c478bd9Sstevel@tonic-gate } 19627c478bd9Sstevel@tonic-gate 19637c478bd9Sstevel@tonic-gate /* 19647c478bd9Sstevel@tonic-gate * Check if the security flavor used in the request matches what is 19657c478bd9Sstevel@tonic-gate * required at the export point or at the root pseudo node (exi_root). 19667c478bd9Sstevel@tonic-gate * 19677c478bd9Sstevel@tonic-gate * returns 1 if there's a match or if exported with AUTH_NONE; 0 otherwise. 19687c478bd9Sstevel@tonic-gate * 19697c478bd9Sstevel@tonic-gate */ 19707c478bd9Sstevel@tonic-gate static int 19717c478bd9Sstevel@tonic-gate secinfo_match_or_authnone(struct compound_state *cs) 19727c478bd9Sstevel@tonic-gate { 19737c478bd9Sstevel@tonic-gate int i; 19747c478bd9Sstevel@tonic-gate struct secinfo *sp; 19757c478bd9Sstevel@tonic-gate 19767c478bd9Sstevel@tonic-gate /* 19777c478bd9Sstevel@tonic-gate * Check cs->nfsflavor (from the request) against 19787c478bd9Sstevel@tonic-gate * the current export data in cs->exi. 19797c478bd9Sstevel@tonic-gate */ 19807c478bd9Sstevel@tonic-gate sp = cs->exi->exi_export.ex_secinfo; 19817c478bd9Sstevel@tonic-gate for (i = 0; i < cs->exi->exi_export.ex_seccnt; i++) { 19827c478bd9Sstevel@tonic-gate if (cs->nfsflavor == sp[i].s_secinfo.sc_nfsnum || 19837c478bd9Sstevel@tonic-gate sp[i].s_secinfo.sc_nfsnum == AUTH_NONE) 19847c478bd9Sstevel@tonic-gate return (1); 19857c478bd9Sstevel@tonic-gate } 19867c478bd9Sstevel@tonic-gate 19877c478bd9Sstevel@tonic-gate return (0); 19887c478bd9Sstevel@tonic-gate } 19897c478bd9Sstevel@tonic-gate 19907c478bd9Sstevel@tonic-gate /* 19917c478bd9Sstevel@tonic-gate * Check the access authority for the client and return the correct error. 19927c478bd9Sstevel@tonic-gate */ 19937c478bd9Sstevel@tonic-gate nfsstat4 19947c478bd9Sstevel@tonic-gate call_checkauth4(struct compound_state *cs, struct svc_req *req) 19957c478bd9Sstevel@tonic-gate { 19967c478bd9Sstevel@tonic-gate int authres; 19977c478bd9Sstevel@tonic-gate 19987c478bd9Sstevel@tonic-gate /* 19997c478bd9Sstevel@tonic-gate * First, check if the security flavor used in the request 20007c478bd9Sstevel@tonic-gate * are among the flavors set in the server namespace. 20017c478bd9Sstevel@tonic-gate */ 20027c478bd9Sstevel@tonic-gate if (!secinfo_match_or_authnone(cs)) { 20037c478bd9Sstevel@tonic-gate *cs->statusp = NFS4ERR_WRONGSEC; 20047c478bd9Sstevel@tonic-gate return (*cs->statusp); 20057c478bd9Sstevel@tonic-gate } 20067c478bd9Sstevel@tonic-gate 20077c478bd9Sstevel@tonic-gate authres = checkauth4(cs, req); 20087c478bd9Sstevel@tonic-gate 20097c478bd9Sstevel@tonic-gate if (authres > 0) { 20107c478bd9Sstevel@tonic-gate *cs->statusp = NFS4_OK; 20117c478bd9Sstevel@tonic-gate if (! (cs->access & CS_ACCESS_LIMITED)) 20127c478bd9Sstevel@tonic-gate cs->access = CS_ACCESS_OK; 20137c478bd9Sstevel@tonic-gate } else if (authres == 0) { 20147c478bd9Sstevel@tonic-gate *cs->statusp = NFS4ERR_ACCESS; 20157c478bd9Sstevel@tonic-gate } else if (authres == -2) { 20167c478bd9Sstevel@tonic-gate *cs->statusp = NFS4ERR_WRONGSEC; 20177c478bd9Sstevel@tonic-gate } else { 20187c478bd9Sstevel@tonic-gate *cs->statusp = NFS4ERR_DELAY; 20197c478bd9Sstevel@tonic-gate } 20207c478bd9Sstevel@tonic-gate return (*cs->statusp); 20217c478bd9Sstevel@tonic-gate } 20227c478bd9Sstevel@tonic-gate 20237c478bd9Sstevel@tonic-gate /* 20247c478bd9Sstevel@tonic-gate * bitmap4_to_attrmask is called by getattr and readdir. 20257c478bd9Sstevel@tonic-gate * It sets up the vattr mask and determines whether vfsstat call is needed 20267c478bd9Sstevel@tonic-gate * based on the input bitmap. 20277c478bd9Sstevel@tonic-gate * Returns nfsv4 status. 20287c478bd9Sstevel@tonic-gate */ 20297c478bd9Sstevel@tonic-gate static nfsstat4 20307c478bd9Sstevel@tonic-gate bitmap4_to_attrmask(bitmap4 breq, struct nfs4_svgetit_arg *sargp) 20317c478bd9Sstevel@tonic-gate { 20327c478bd9Sstevel@tonic-gate int i; 20337c478bd9Sstevel@tonic-gate uint_t va_mask; 20347c478bd9Sstevel@tonic-gate struct statvfs64 *sbp = sargp->sbp; 20357c478bd9Sstevel@tonic-gate 20367c478bd9Sstevel@tonic-gate sargp->sbp = NULL; 20377c478bd9Sstevel@tonic-gate sargp->flag = 0; 20387c478bd9Sstevel@tonic-gate sargp->rdattr_error = NFS4_OK; 20397c478bd9Sstevel@tonic-gate sargp->mntdfid_set = FALSE; 20407c478bd9Sstevel@tonic-gate if (sargp->cs->vp) 20417c478bd9Sstevel@tonic-gate sargp->xattr = get_fh4_flag(&sargp->cs->fh, 20427c478bd9Sstevel@tonic-gate FH4_ATTRDIR | FH4_NAMEDATTR); 20437c478bd9Sstevel@tonic-gate else 20447c478bd9Sstevel@tonic-gate sargp->xattr = 0; 20457c478bd9Sstevel@tonic-gate 20467c478bd9Sstevel@tonic-gate /* 20477c478bd9Sstevel@tonic-gate * Set rdattr_error_req to true if return error per 20487c478bd9Sstevel@tonic-gate * failed entry rather than fail the readdir. 20497c478bd9Sstevel@tonic-gate */ 20507c478bd9Sstevel@tonic-gate if (breq & FATTR4_RDATTR_ERROR_MASK) 20517c478bd9Sstevel@tonic-gate sargp->rdattr_error_req = 1; 20527c478bd9Sstevel@tonic-gate else 20537c478bd9Sstevel@tonic-gate sargp->rdattr_error_req = 0; 20547c478bd9Sstevel@tonic-gate 20557c478bd9Sstevel@tonic-gate /* 20567c478bd9Sstevel@tonic-gate * generate the va_mask 20577c478bd9Sstevel@tonic-gate * Handle the easy cases first 20587c478bd9Sstevel@tonic-gate */ 20597c478bd9Sstevel@tonic-gate switch (breq) { 20607c478bd9Sstevel@tonic-gate case NFS4_NTOV_ATTR_MASK: 20617c478bd9Sstevel@tonic-gate sargp->vap->va_mask = NFS4_NTOV_ATTR_AT_MASK; 20627c478bd9Sstevel@tonic-gate return (NFS4_OK); 20637c478bd9Sstevel@tonic-gate 20647c478bd9Sstevel@tonic-gate case NFS4_FS_ATTR_MASK: 20657c478bd9Sstevel@tonic-gate sargp->vap->va_mask = NFS4_FS_ATTR_AT_MASK; 20667c478bd9Sstevel@tonic-gate sargp->sbp = sbp; 20677c478bd9Sstevel@tonic-gate return (NFS4_OK); 20687c478bd9Sstevel@tonic-gate 20697c478bd9Sstevel@tonic-gate case NFS4_NTOV_ATTR_CACHE_MASK: 20707c478bd9Sstevel@tonic-gate sargp->vap->va_mask = NFS4_NTOV_ATTR_CACHE_AT_MASK; 20717c478bd9Sstevel@tonic-gate return (NFS4_OK); 20727c478bd9Sstevel@tonic-gate 20737c478bd9Sstevel@tonic-gate case FATTR4_LEASE_TIME_MASK: 20747c478bd9Sstevel@tonic-gate sargp->vap->va_mask = 0; 20757c478bd9Sstevel@tonic-gate return (NFS4_OK); 20767c478bd9Sstevel@tonic-gate 20777c478bd9Sstevel@tonic-gate default: 20787c478bd9Sstevel@tonic-gate va_mask = 0; 20797c478bd9Sstevel@tonic-gate for (i = 0; i < nfs4_ntov_map_size; i++) { 20807c478bd9Sstevel@tonic-gate if ((breq & nfs4_ntov_map[i].fbit) && 20817c478bd9Sstevel@tonic-gate nfs4_ntov_map[i].vbit) 20827c478bd9Sstevel@tonic-gate va_mask |= nfs4_ntov_map[i].vbit; 20837c478bd9Sstevel@tonic-gate } 20847c478bd9Sstevel@tonic-gate 20857c478bd9Sstevel@tonic-gate /* 20867c478bd9Sstevel@tonic-gate * Check is vfsstat is needed 20877c478bd9Sstevel@tonic-gate */ 20887c478bd9Sstevel@tonic-gate if (breq & NFS4_FS_ATTR_MASK) 20897c478bd9Sstevel@tonic-gate sargp->sbp = sbp; 20907c478bd9Sstevel@tonic-gate 20917c478bd9Sstevel@tonic-gate sargp->vap->va_mask = va_mask; 20927c478bd9Sstevel@tonic-gate return (NFS4_OK); 20937c478bd9Sstevel@tonic-gate } 20947c478bd9Sstevel@tonic-gate /* NOTREACHED */ 20957c478bd9Sstevel@tonic-gate } 20967c478bd9Sstevel@tonic-gate 20977c478bd9Sstevel@tonic-gate /* 20987c478bd9Sstevel@tonic-gate * bitmap4_get_sysattrs is called by getattr and readdir. 20997c478bd9Sstevel@tonic-gate * It calls both VOP_GETATTR and VFS_STATVFS calls to get the attrs. 21007c478bd9Sstevel@tonic-gate * Returns nfsv4 status. 21017c478bd9Sstevel@tonic-gate */ 21027c478bd9Sstevel@tonic-gate static nfsstat4 21037c478bd9Sstevel@tonic-gate bitmap4_get_sysattrs(struct nfs4_svgetit_arg *sargp) 21047c478bd9Sstevel@tonic-gate { 21057c478bd9Sstevel@tonic-gate int error; 21067c478bd9Sstevel@tonic-gate struct compound_state *cs = sargp->cs; 21077c478bd9Sstevel@tonic-gate vnode_t *vp = cs->vp; 21087c478bd9Sstevel@tonic-gate 21097c478bd9Sstevel@tonic-gate if (sargp->sbp != NULL) { 21107c478bd9Sstevel@tonic-gate if (error = VFS_STATVFS(vp->v_vfsp, sargp->sbp)) { 21117c478bd9Sstevel@tonic-gate sargp->sbp = NULL; /* to identify error */ 21127c478bd9Sstevel@tonic-gate return (puterrno4(error)); 21137c478bd9Sstevel@tonic-gate } 21147c478bd9Sstevel@tonic-gate } 21157c478bd9Sstevel@tonic-gate 21167c478bd9Sstevel@tonic-gate return (rfs4_vop_getattr(vp, sargp->vap, 0, cs->cr)); 21177c478bd9Sstevel@tonic-gate } 21187c478bd9Sstevel@tonic-gate 21197c478bd9Sstevel@tonic-gate static void 21207c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(struct nfs4_ntov_table *ntovp) 21217c478bd9Sstevel@tonic-gate { 21227c478bd9Sstevel@tonic-gate ntovp->na = kmem_zalloc(sizeof (union nfs4_attr_u) * nfs4_ntov_map_size, 21237c478bd9Sstevel@tonic-gate KM_SLEEP); 21247c478bd9Sstevel@tonic-gate ntovp->attrcnt = 0; 21257c478bd9Sstevel@tonic-gate ntovp->vfsstat = FALSE; 21267c478bd9Sstevel@tonic-gate } 21277c478bd9Sstevel@tonic-gate 21287c478bd9Sstevel@tonic-gate static void 21297c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(struct nfs4_ntov_table *ntovp, 21307c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg *sargp) 21317c478bd9Sstevel@tonic-gate { 21327c478bd9Sstevel@tonic-gate int i; 21337c478bd9Sstevel@tonic-gate union nfs4_attr_u *na; 21347c478bd9Sstevel@tonic-gate uint8_t *amap; 21357c478bd9Sstevel@tonic-gate 21367c478bd9Sstevel@tonic-gate /* 21377c478bd9Sstevel@tonic-gate * XXX Should do the same checks for whether the bit is set 21387c478bd9Sstevel@tonic-gate */ 21397c478bd9Sstevel@tonic-gate for (i = 0, na = ntovp->na, amap = ntovp->amap; 21407c478bd9Sstevel@tonic-gate i < ntovp->attrcnt; i++, na++, amap++) { 21417c478bd9Sstevel@tonic-gate (void) (*nfs4_ntov_map[*amap].sv_getit)( 21427c478bd9Sstevel@tonic-gate NFS4ATTR_FREEIT, sargp, na); 21437c478bd9Sstevel@tonic-gate } 21447c478bd9Sstevel@tonic-gate if ((sargp->op == NFS4ATTR_SETIT) || (sargp->op == NFS4ATTR_VERIT)) { 21457c478bd9Sstevel@tonic-gate /* 21467c478bd9Sstevel@tonic-gate * xdr_free for getattr will be done later 21477c478bd9Sstevel@tonic-gate */ 21487c478bd9Sstevel@tonic-gate for (i = 0, na = ntovp->na, amap = ntovp->amap; 21497c478bd9Sstevel@tonic-gate i < ntovp->attrcnt; i++, na++, amap++) { 21507c478bd9Sstevel@tonic-gate xdr_free(nfs4_ntov_map[*amap].xfunc, (caddr_t)na); 21517c478bd9Sstevel@tonic-gate } 21527c478bd9Sstevel@tonic-gate } 21537c478bd9Sstevel@tonic-gate kmem_free(ntovp->na, sizeof (union nfs4_attr_u) * nfs4_ntov_map_size); 21547c478bd9Sstevel@tonic-gate } 21557c478bd9Sstevel@tonic-gate 21567c478bd9Sstevel@tonic-gate /* 21577c478bd9Sstevel@tonic-gate * do_rfs4_op_getattr gets the system attrs and converts into fattr4. 21587c478bd9Sstevel@tonic-gate */ 21597c478bd9Sstevel@tonic-gate static nfsstat4 21607c478bd9Sstevel@tonic-gate do_rfs4_op_getattr(bitmap4 breq, fattr4 *fattrp, 21617c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg *sargp) 21627c478bd9Sstevel@tonic-gate { 21637c478bd9Sstevel@tonic-gate int error = 0; 21647c478bd9Sstevel@tonic-gate int i, k; 21657c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 21667c478bd9Sstevel@tonic-gate XDR xdr; 21677c478bd9Sstevel@tonic-gate ulong_t xdr_size; 21687c478bd9Sstevel@tonic-gate char *xdr_attrs; 21697c478bd9Sstevel@tonic-gate nfsstat4 status = NFS4_OK; 21707c478bd9Sstevel@tonic-gate nfsstat4 prev_rdattr_error = sargp->rdattr_error; 21717c478bd9Sstevel@tonic-gate union nfs4_attr_u *na; 21727c478bd9Sstevel@tonic-gate uint8_t *amap; 21737c478bd9Sstevel@tonic-gate 21747c478bd9Sstevel@tonic-gate sargp->op = NFS4ATTR_GETIT; 21757c478bd9Sstevel@tonic-gate sargp->flag = 0; 21767c478bd9Sstevel@tonic-gate 21777c478bd9Sstevel@tonic-gate fattrp->attrmask = 0; 21787c478bd9Sstevel@tonic-gate /* if no bits requested, then return empty fattr4 */ 21797c478bd9Sstevel@tonic-gate if (breq == 0) { 21807c478bd9Sstevel@tonic-gate fattrp->attrlist4_len = 0; 21817c478bd9Sstevel@tonic-gate fattrp->attrlist4 = NULL; 21827c478bd9Sstevel@tonic-gate return (NFS4_OK); 21837c478bd9Sstevel@tonic-gate } 21847c478bd9Sstevel@tonic-gate 21857c478bd9Sstevel@tonic-gate /* 21867c478bd9Sstevel@tonic-gate * return NFS4ERR_INVAL when client requests write-only attrs 21877c478bd9Sstevel@tonic-gate */ 21887c478bd9Sstevel@tonic-gate if (breq & (FATTR4_TIME_ACCESS_SET_MASK | FATTR4_TIME_MODIFY_SET_MASK)) 21897c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 21907c478bd9Sstevel@tonic-gate 21917c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 21927c478bd9Sstevel@tonic-gate na = ntov.na; 21937c478bd9Sstevel@tonic-gate amap = ntov.amap; 21947c478bd9Sstevel@tonic-gate 21957c478bd9Sstevel@tonic-gate /* 21967c478bd9Sstevel@tonic-gate * Now loop to get or verify the attrs 21977c478bd9Sstevel@tonic-gate */ 21987c478bd9Sstevel@tonic-gate for (i = 0; i < nfs4_ntov_map_size; i++) { 21997c478bd9Sstevel@tonic-gate if (breq & nfs4_ntov_map[i].fbit) { 22007c478bd9Sstevel@tonic-gate if ((*nfs4_ntov_map[i].sv_getit)( 22017c478bd9Sstevel@tonic-gate NFS4ATTR_SUPPORTED, sargp, NULL) == 0) { 22027c478bd9Sstevel@tonic-gate 22037c478bd9Sstevel@tonic-gate error = (*nfs4_ntov_map[i].sv_getit)( 22047c478bd9Sstevel@tonic-gate NFS4ATTR_GETIT, sargp, na); 22057c478bd9Sstevel@tonic-gate 22067c478bd9Sstevel@tonic-gate /* 22077c478bd9Sstevel@tonic-gate * Possible error values: 22087c478bd9Sstevel@tonic-gate * >0 if sv_getit failed to 22097c478bd9Sstevel@tonic-gate * get the attr; 0 if succeeded; 22107c478bd9Sstevel@tonic-gate * <0 if rdattr_error and the 22117c478bd9Sstevel@tonic-gate * attribute cannot be returned. 22127c478bd9Sstevel@tonic-gate */ 22137c478bd9Sstevel@tonic-gate if (error && !(sargp->rdattr_error_req)) 22147c478bd9Sstevel@tonic-gate goto done; 22157c478bd9Sstevel@tonic-gate /* 22167c478bd9Sstevel@tonic-gate * If error then just for entry 22177c478bd9Sstevel@tonic-gate */ 22187c478bd9Sstevel@tonic-gate if (error == 0) { 22197c478bd9Sstevel@tonic-gate fattrp->attrmask |= 22207c478bd9Sstevel@tonic-gate nfs4_ntov_map[i].fbit; 22217c478bd9Sstevel@tonic-gate *amap++ = 22227c478bd9Sstevel@tonic-gate (uint8_t)nfs4_ntov_map[i].nval; 22237c478bd9Sstevel@tonic-gate na++; 22247c478bd9Sstevel@tonic-gate (ntov.attrcnt)++; 22257c478bd9Sstevel@tonic-gate } else if ((error > 0) && 22267c478bd9Sstevel@tonic-gate (sargp->rdattr_error == NFS4_OK)) { 22277c478bd9Sstevel@tonic-gate sargp->rdattr_error = puterrno4(error); 22287c478bd9Sstevel@tonic-gate } 22297c478bd9Sstevel@tonic-gate error = 0; 22307c478bd9Sstevel@tonic-gate } 22317c478bd9Sstevel@tonic-gate } 22327c478bd9Sstevel@tonic-gate } 22337c478bd9Sstevel@tonic-gate 22347c478bd9Sstevel@tonic-gate /* 22357c478bd9Sstevel@tonic-gate * If rdattr_error was set after the return value for it was assigned, 22367c478bd9Sstevel@tonic-gate * update it. 22377c478bd9Sstevel@tonic-gate */ 22387c478bd9Sstevel@tonic-gate if (prev_rdattr_error != sargp->rdattr_error) { 22397c478bd9Sstevel@tonic-gate na = ntov.na; 22407c478bd9Sstevel@tonic-gate amap = ntov.amap; 22417c478bd9Sstevel@tonic-gate for (i = 0; i < ntov.attrcnt; i++, na++, amap++) { 22427c478bd9Sstevel@tonic-gate k = *amap; 22437c478bd9Sstevel@tonic-gate if (k < FATTR4_RDATTR_ERROR) { 22447c478bd9Sstevel@tonic-gate continue; 22457c478bd9Sstevel@tonic-gate } 22467c478bd9Sstevel@tonic-gate if ((k == FATTR4_RDATTR_ERROR) && 22477c478bd9Sstevel@tonic-gate ((*nfs4_ntov_map[k].sv_getit)( 22487c478bd9Sstevel@tonic-gate NFS4ATTR_SUPPORTED, sargp, NULL) == 0)) { 22497c478bd9Sstevel@tonic-gate 22507c478bd9Sstevel@tonic-gate (void) (*nfs4_ntov_map[k].sv_getit)( 22517c478bd9Sstevel@tonic-gate NFS4ATTR_GETIT, sargp, na); 22527c478bd9Sstevel@tonic-gate } 22537c478bd9Sstevel@tonic-gate break; 22547c478bd9Sstevel@tonic-gate } 22557c478bd9Sstevel@tonic-gate } 22567c478bd9Sstevel@tonic-gate 22577c478bd9Sstevel@tonic-gate xdr_size = 0; 22587c478bd9Sstevel@tonic-gate na = ntov.na; 22597c478bd9Sstevel@tonic-gate amap = ntov.amap; 22607c478bd9Sstevel@tonic-gate for (i = 0; i < ntov.attrcnt; i++, na++, amap++) { 22617c478bd9Sstevel@tonic-gate xdr_size += xdr_sizeof(nfs4_ntov_map[*amap].xfunc, na); 22627c478bd9Sstevel@tonic-gate } 22637c478bd9Sstevel@tonic-gate 22647c478bd9Sstevel@tonic-gate fattrp->attrlist4_len = xdr_size; 22657c478bd9Sstevel@tonic-gate if (xdr_size) { 22667c478bd9Sstevel@tonic-gate /* freed by rfs4_op_getattr_free() */ 22677c478bd9Sstevel@tonic-gate fattrp->attrlist4 = xdr_attrs = kmem_zalloc(xdr_size, KM_SLEEP); 22687c478bd9Sstevel@tonic-gate 22697c478bd9Sstevel@tonic-gate xdrmem_create(&xdr, xdr_attrs, xdr_size, XDR_ENCODE); 22707c478bd9Sstevel@tonic-gate 22717c478bd9Sstevel@tonic-gate na = ntov.na; 22727c478bd9Sstevel@tonic-gate amap = ntov.amap; 22737c478bd9Sstevel@tonic-gate for (i = 0; i < ntov.attrcnt; i++, na++, amap++) { 22747c478bd9Sstevel@tonic-gate if (!(*nfs4_ntov_map[*amap].xfunc)(&xdr, na)) { 22750a701b1eSRobert Gordon DTRACE_PROBE1(nfss__e__getattr4_encfail, 22760a701b1eSRobert Gordon int, *amap); 22777c478bd9Sstevel@tonic-gate status = NFS4ERR_SERVERFAULT; 22787c478bd9Sstevel@tonic-gate break; 22797c478bd9Sstevel@tonic-gate } 22807c478bd9Sstevel@tonic-gate } 22817c478bd9Sstevel@tonic-gate /* xdrmem_destroy(&xdrs); */ /* NO-OP */ 22827c478bd9Sstevel@tonic-gate } else { 22837c478bd9Sstevel@tonic-gate fattrp->attrlist4 = NULL; 22847c478bd9Sstevel@tonic-gate } 22857c478bd9Sstevel@tonic-gate done: 22867c478bd9Sstevel@tonic-gate 22877c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, sargp); 22887c478bd9Sstevel@tonic-gate 22897c478bd9Sstevel@tonic-gate if (error != 0) 22907c478bd9Sstevel@tonic-gate status = puterrno4(error); 22917c478bd9Sstevel@tonic-gate 22927c478bd9Sstevel@tonic-gate return (status); 22937c478bd9Sstevel@tonic-gate } 22947c478bd9Sstevel@tonic-gate 22957c478bd9Sstevel@tonic-gate /* ARGSUSED */ 22967c478bd9Sstevel@tonic-gate static void 22977c478bd9Sstevel@tonic-gate rfs4_op_getattr(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 22987c478bd9Sstevel@tonic-gate struct compound_state *cs) 22997c478bd9Sstevel@tonic-gate { 23007c478bd9Sstevel@tonic-gate GETATTR4args *args = &argop->nfs_argop4_u.opgetattr; 23017c478bd9Sstevel@tonic-gate GETATTR4res *resp = &resop->nfs_resop4_u.opgetattr; 23027c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 23037c478bd9Sstevel@tonic-gate struct statvfs64 sb; 23047c478bd9Sstevel@tonic-gate nfsstat4 status; 23057c478bd9Sstevel@tonic-gate 2306f3b585ceSsamf DTRACE_NFSV4_2(op__getattr__start, struct compound_state *, cs, 2307f3b585ceSsamf GETATTR4args *, args); 2308f3b585ceSsamf 23097c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 23107c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2311f3b585ceSsamf goto out; 23127c478bd9Sstevel@tonic-gate } 23137c478bd9Sstevel@tonic-gate 23147c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 23157c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 2316f3b585ceSsamf goto out; 23177c478bd9Sstevel@tonic-gate } 23187c478bd9Sstevel@tonic-gate 23197c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 23207c478bd9Sstevel@tonic-gate sarg.cs = cs; 23212f172c55SRobert Thurlow sarg.is_referral = B_FALSE; 23227c478bd9Sstevel@tonic-gate 23237c478bd9Sstevel@tonic-gate status = bitmap4_to_attrmask(args->attr_request, &sarg); 23247c478bd9Sstevel@tonic-gate if (status == NFS4_OK) { 23252f172c55SRobert Thurlow 23267c478bd9Sstevel@tonic-gate status = bitmap4_get_sysattrs(&sarg); 23272f172c55SRobert Thurlow if (status == NFS4_OK) { 23282f172c55SRobert Thurlow 23292f172c55SRobert Thurlow /* Is this a referral? */ 23302f172c55SRobert Thurlow if (vn_is_nfs_reparse(cs->vp, cs->cr)) { 23312f172c55SRobert Thurlow /* Older V4 Solaris client sees a link */ 23322f172c55SRobert Thurlow if (client_is_downrev(req)) 23332f172c55SRobert Thurlow sarg.vap->va_type = VLNK; 23342f172c55SRobert Thurlow else 23352f172c55SRobert Thurlow sarg.is_referral = B_TRUE; 23362f172c55SRobert Thurlow } 23372f172c55SRobert Thurlow 23387c478bd9Sstevel@tonic-gate status = do_rfs4_op_getattr(args->attr_request, 23397c478bd9Sstevel@tonic-gate &resp->obj_attributes, &sarg); 23407c478bd9Sstevel@tonic-gate } 23412f172c55SRobert Thurlow } 23427c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 2343f3b585ceSsamf out: 2344f3b585ceSsamf DTRACE_NFSV4_2(op__getattr__done, struct compound_state *, cs, 2345f3b585ceSsamf GETATTR4res *, resp); 23467c478bd9Sstevel@tonic-gate } 23477c478bd9Sstevel@tonic-gate 23487c478bd9Sstevel@tonic-gate static void 23497c478bd9Sstevel@tonic-gate rfs4_op_getattr_free(nfs_resop4 *resop) 23507c478bd9Sstevel@tonic-gate { 23517c478bd9Sstevel@tonic-gate GETATTR4res *resp = &resop->nfs_resop4_u.opgetattr; 23527c478bd9Sstevel@tonic-gate 23537c478bd9Sstevel@tonic-gate nfs4_fattr4_free(&resp->obj_attributes); 23547c478bd9Sstevel@tonic-gate } 23557c478bd9Sstevel@tonic-gate 23567c478bd9Sstevel@tonic-gate /* ARGSUSED */ 23577c478bd9Sstevel@tonic-gate static void 23587c478bd9Sstevel@tonic-gate rfs4_op_getfh(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 23597c478bd9Sstevel@tonic-gate struct compound_state *cs) 23607c478bd9Sstevel@tonic-gate { 23617c478bd9Sstevel@tonic-gate GETFH4res *resp = &resop->nfs_resop4_u.opgetfh; 23627c478bd9Sstevel@tonic-gate 2363f3b585ceSsamf DTRACE_NFSV4_1(op__getfh__start, struct compound_state *, cs); 2364f3b585ceSsamf 23657c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 23667c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2367f3b585ceSsamf goto out; 23687c478bd9Sstevel@tonic-gate } 23697c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 23707c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 2371f3b585ceSsamf goto out; 23727c478bd9Sstevel@tonic-gate } 23737c478bd9Sstevel@tonic-gate 23742f172c55SRobert Thurlow /* check for reparse point at the share point */ 23752f172c55SRobert Thurlow if (cs->exi->exi_moved || vn_is_nfs_reparse(cs->exi->exi_vp, cs->cr)) { 23762f172c55SRobert Thurlow /* it's all bad */ 23772f172c55SRobert Thurlow cs->exi->exi_moved = 1; 23782f172c55SRobert Thurlow *cs->statusp = resp->status = NFS4ERR_MOVED; 23792f172c55SRobert Thurlow DTRACE_PROBE2(nfs4serv__func__referral__shared__moved, 23802f172c55SRobert Thurlow vnode_t *, cs->vp, char *, "rfs4_op_getfh"); 23812f172c55SRobert Thurlow return; 23822f172c55SRobert Thurlow } 23832f172c55SRobert Thurlow 23842f172c55SRobert Thurlow /* check for reparse point at vp */ 23852f172c55SRobert Thurlow if (vn_is_nfs_reparse(cs->vp, cs->cr) && !client_is_downrev(req)) { 23862f172c55SRobert Thurlow /* it's not all bad */ 23872f172c55SRobert Thurlow *cs->statusp = resp->status = NFS4ERR_MOVED; 23882f172c55SRobert Thurlow DTRACE_PROBE2(nfs4serv__func__referral__moved, 23892f172c55SRobert Thurlow vnode_t *, cs->vp, char *, "rfs4_op_getfh"); 23902f172c55SRobert Thurlow return; 23912f172c55SRobert Thurlow } 23922f172c55SRobert Thurlow 23937c478bd9Sstevel@tonic-gate resp->object.nfs_fh4_val = 23947c478bd9Sstevel@tonic-gate kmem_alloc(cs->fh.nfs_fh4_len, KM_SLEEP); 23957c478bd9Sstevel@tonic-gate nfs_fh4_copy(&cs->fh, &resp->object); 23967c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 2397f3b585ceSsamf out: 2398f3b585ceSsamf DTRACE_NFSV4_2(op__getfh__done, struct compound_state *, cs, 2399f3b585ceSsamf GETFH4res *, resp); 24007c478bd9Sstevel@tonic-gate } 24017c478bd9Sstevel@tonic-gate 24027c478bd9Sstevel@tonic-gate static void 24037c478bd9Sstevel@tonic-gate rfs4_op_getfh_free(nfs_resop4 *resop) 24047c478bd9Sstevel@tonic-gate { 24057c478bd9Sstevel@tonic-gate GETFH4res *resp = &resop->nfs_resop4_u.opgetfh; 24067c478bd9Sstevel@tonic-gate 24077c478bd9Sstevel@tonic-gate if (resp->status == NFS4_OK && 24087c478bd9Sstevel@tonic-gate resp->object.nfs_fh4_val != NULL) { 24097c478bd9Sstevel@tonic-gate kmem_free(resp->object.nfs_fh4_val, resp->object.nfs_fh4_len); 24107c478bd9Sstevel@tonic-gate resp->object.nfs_fh4_val = NULL; 24117c478bd9Sstevel@tonic-gate resp->object.nfs_fh4_len = 0; 24127c478bd9Sstevel@tonic-gate } 24137c478bd9Sstevel@tonic-gate } 24147c478bd9Sstevel@tonic-gate 24157c478bd9Sstevel@tonic-gate /* 24167c478bd9Sstevel@tonic-gate * illegal: args: void 24177c478bd9Sstevel@tonic-gate * res : status (NFS4ERR_OP_ILLEGAL) 24187c478bd9Sstevel@tonic-gate */ 24197c478bd9Sstevel@tonic-gate /* ARGSUSED */ 24207c478bd9Sstevel@tonic-gate static void 24217c478bd9Sstevel@tonic-gate rfs4_op_illegal(nfs_argop4 *argop, nfs_resop4 *resop, 24227c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 24237c478bd9Sstevel@tonic-gate { 24247c478bd9Sstevel@tonic-gate ILLEGAL4res *resp = &resop->nfs_resop4_u.opillegal; 24257c478bd9Sstevel@tonic-gate 24267c478bd9Sstevel@tonic-gate resop->resop = OP_ILLEGAL; 24277c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OP_ILLEGAL; 24287c478bd9Sstevel@tonic-gate } 24297c478bd9Sstevel@tonic-gate 24307c478bd9Sstevel@tonic-gate /* 24317c478bd9Sstevel@tonic-gate * link: args: SAVED_FH: file, CURRENT_FH: target directory 24327c478bd9Sstevel@tonic-gate * res: status. If success - CURRENT_FH unchanged, return change_info 24337c478bd9Sstevel@tonic-gate */ 24347c478bd9Sstevel@tonic-gate /* ARGSUSED */ 24357c478bd9Sstevel@tonic-gate static void 24367c478bd9Sstevel@tonic-gate rfs4_op_link(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 24377c478bd9Sstevel@tonic-gate struct compound_state *cs) 24387c478bd9Sstevel@tonic-gate { 24397c478bd9Sstevel@tonic-gate LINK4args *args = &argop->nfs_argop4_u.oplink; 24407c478bd9Sstevel@tonic-gate LINK4res *resp = &resop->nfs_resop4_u.oplink; 24417c478bd9Sstevel@tonic-gate int error; 24427c478bd9Sstevel@tonic-gate vnode_t *vp; 24437c478bd9Sstevel@tonic-gate vnode_t *dvp; 24447c478bd9Sstevel@tonic-gate struct vattr bdva, idva, adva; 24457c478bd9Sstevel@tonic-gate char *nm; 24467c478bd9Sstevel@tonic-gate uint_t len; 2447b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 2448b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 24497c478bd9Sstevel@tonic-gate 2450f3b585ceSsamf DTRACE_NFSV4_2(op__link__start, struct compound_state *, cs, 2451f3b585ceSsamf LINK4args *, args); 2452f3b585ceSsamf 24537c478bd9Sstevel@tonic-gate /* SAVED_FH: source object */ 24547c478bd9Sstevel@tonic-gate vp = cs->saved_vp; 24557c478bd9Sstevel@tonic-gate if (vp == NULL) { 24567c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2457f3b585ceSsamf goto out; 24587c478bd9Sstevel@tonic-gate } 24597c478bd9Sstevel@tonic-gate 24607c478bd9Sstevel@tonic-gate /* CURRENT_FH: target directory */ 24617c478bd9Sstevel@tonic-gate dvp = cs->vp; 24627c478bd9Sstevel@tonic-gate if (dvp == NULL) { 24637c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2464f3b585ceSsamf goto out; 24657c478bd9Sstevel@tonic-gate } 24667c478bd9Sstevel@tonic-gate 24677c478bd9Sstevel@tonic-gate /* 24687c478bd9Sstevel@tonic-gate * If there is a non-shared filesystem mounted on this vnode, 24697c478bd9Sstevel@tonic-gate * do not allow to link any file in this directory. 24707c478bd9Sstevel@tonic-gate */ 24717c478bd9Sstevel@tonic-gate if (vn_ismntpt(dvp)) { 24727c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 2473f3b585ceSsamf goto out; 24747c478bd9Sstevel@tonic-gate } 24757c478bd9Sstevel@tonic-gate 24767c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 24777c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 2478f3b585ceSsamf goto out; 24797c478bd9Sstevel@tonic-gate } 24807c478bd9Sstevel@tonic-gate 24817c478bd9Sstevel@tonic-gate /* Check source object's type validity */ 24827c478bd9Sstevel@tonic-gate if (vp->v_type == VDIR) { 24837c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ISDIR; 2484f3b585ceSsamf goto out; 24857c478bd9Sstevel@tonic-gate } 24867c478bd9Sstevel@tonic-gate 24877c478bd9Sstevel@tonic-gate /* Check target directory's type */ 24887c478bd9Sstevel@tonic-gate if (dvp->v_type != VDIR) { 24897c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 2490f3b585ceSsamf goto out; 24917c478bd9Sstevel@tonic-gate } 24927c478bd9Sstevel@tonic-gate 24937c478bd9Sstevel@tonic-gate if (cs->saved_exi != cs->exi) { 24947c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_XDEV; 2495f3b585ceSsamf goto out; 24967c478bd9Sstevel@tonic-gate } 24977c478bd9Sstevel@tonic-gate 24987c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->newname)) { 24997c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 2500f3b585ceSsamf goto out; 25017c478bd9Sstevel@tonic-gate } 25027c478bd9Sstevel@tonic-gate 25037c478bd9Sstevel@tonic-gate nm = utf8_to_fn(&args->newname, &len, NULL); 25047c478bd9Sstevel@tonic-gate if (nm == NULL) { 25057c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 2506f3b585ceSsamf goto out; 25077c478bd9Sstevel@tonic-gate } 25087c478bd9Sstevel@tonic-gate 25097c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 25107c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 25117c478bd9Sstevel@tonic-gate kmem_free(nm, len); 2512f3b585ceSsamf goto out; 25137c478bd9Sstevel@tonic-gate } 25147c478bd9Sstevel@tonic-gate 25157c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 25167c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 25177c478bd9Sstevel@tonic-gate kmem_free(nm, len); 2518f3b585ceSsamf goto out; 25197c478bd9Sstevel@tonic-gate } 25207c478bd9Sstevel@tonic-gate 25217c478bd9Sstevel@tonic-gate /* Get "before" change value */ 25227c478bd9Sstevel@tonic-gate bdva.va_mask = AT_CTIME|AT_SEQ; 2523da6c28aaSamw error = VOP_GETATTR(dvp, &bdva, 0, cs->cr, NULL); 25247c478bd9Sstevel@tonic-gate if (error) { 25257c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 25267c478bd9Sstevel@tonic-gate kmem_free(nm, len); 2527f3b585ceSsamf goto out; 25287c478bd9Sstevel@tonic-gate } 25297c478bd9Sstevel@tonic-gate 2530b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 2531b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 2532b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 2533b89a8333Snatalie li - Sun Microsystems - Irvine United States 2534b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 2535b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 2536b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, len); 2537b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 2538b89a8333Snatalie li - Sun Microsystems - Irvine United States } 2539b89a8333Snatalie li - Sun Microsystems - Irvine United States 25407c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.before, bdva.va_ctime) 25417c478bd9Sstevel@tonic-gate 2542b89a8333Snatalie li - Sun Microsystems - Irvine United States error = VOP_LINK(dvp, vp, name, cs->cr, NULL, 0); 25437c478bd9Sstevel@tonic-gate 2544b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 2545b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 25467c478bd9Sstevel@tonic-gate kmem_free(nm, len); 25477c478bd9Sstevel@tonic-gate 25487c478bd9Sstevel@tonic-gate /* 25497c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, set to zero 25507c478bd9Sstevel@tonic-gate */ 25517c478bd9Sstevel@tonic-gate idva.va_mask = AT_SEQ; 2552da6c28aaSamw if (VOP_GETATTR(dvp, &idva, 0, cs->cr, NULL)) 25537c478bd9Sstevel@tonic-gate idva.va_seq = 0; 25547c478bd9Sstevel@tonic-gate 25557c478bd9Sstevel@tonic-gate /* 25567c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 25577c478bd9Sstevel@tonic-gate */ 2558da6c28aaSamw (void) VOP_FSYNC(vp, FNODSYNC, cs->cr, NULL); 2559da6c28aaSamw (void) VOP_FSYNC(dvp, 0, cs->cr, NULL); 25607c478bd9Sstevel@tonic-gate 25617c478bd9Sstevel@tonic-gate if (error) { 25627c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 2563f3b585ceSsamf goto out; 25647c478bd9Sstevel@tonic-gate } 25657c478bd9Sstevel@tonic-gate 25667c478bd9Sstevel@tonic-gate /* 25677c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 25687c478bd9Sstevel@tonic-gate * before value. 25697c478bd9Sstevel@tonic-gate */ 25707c478bd9Sstevel@tonic-gate adva.va_mask = AT_CTIME|AT_SEQ; 2571da6c28aaSamw if (VOP_GETATTR(dvp, &adva, 0, cs->cr, NULL)) { 25727c478bd9Sstevel@tonic-gate adva.va_ctime = bdva.va_ctime; 25737c478bd9Sstevel@tonic-gate adva.va_seq = 0; 25747c478bd9Sstevel@tonic-gate } 25757c478bd9Sstevel@tonic-gate 25767c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.after, adva.va_ctime) 25777c478bd9Sstevel@tonic-gate 25787c478bd9Sstevel@tonic-gate /* 25797c478bd9Sstevel@tonic-gate * The cinfo.atomic = TRUE only if we have 25807c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 25817c478bd9Sstevel@tonic-gate * during the VOP_LINK and it didn't change during the VOP_FSYNC. 25827c478bd9Sstevel@tonic-gate */ 25837c478bd9Sstevel@tonic-gate if (bdva.va_seq && idva.va_seq && adva.va_seq && 25841b300de9Sjwahlig idva.va_seq == (bdva.va_seq + 1) && idva.va_seq == adva.va_seq) 25857c478bd9Sstevel@tonic-gate resp->cinfo.atomic = TRUE; 25867c478bd9Sstevel@tonic-gate else 25877c478bd9Sstevel@tonic-gate resp->cinfo.atomic = FALSE; 25887c478bd9Sstevel@tonic-gate 25897c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 2590f3b585ceSsamf out: 2591f3b585ceSsamf DTRACE_NFSV4_2(op__link__done, struct compound_state *, cs, 2592f3b585ceSsamf LINK4res *, resp); 25937c478bd9Sstevel@tonic-gate } 25947c478bd9Sstevel@tonic-gate 25957c478bd9Sstevel@tonic-gate /* 25967c478bd9Sstevel@tonic-gate * Used by rfs4_op_lookup and rfs4_op_lookupp to do the actual work. 25977c478bd9Sstevel@tonic-gate */ 25987c478bd9Sstevel@tonic-gate 25997c478bd9Sstevel@tonic-gate /* ARGSUSED */ 26007c478bd9Sstevel@tonic-gate static nfsstat4 2601593cc11bSJan Kryl do_rfs4_op_lookup(char *nm, struct svc_req *req, struct compound_state *cs) 26027c478bd9Sstevel@tonic-gate { 26037c478bd9Sstevel@tonic-gate int error; 26047c478bd9Sstevel@tonic-gate int different_export = 0; 26057c478bd9Sstevel@tonic-gate vnode_t *vp, *tvp, *pre_tvp = NULL, *oldvp = NULL; 26067c478bd9Sstevel@tonic-gate struct exportinfo *exi = NULL, *pre_exi = NULL; 26077c478bd9Sstevel@tonic-gate nfsstat4 stat; 26087c478bd9Sstevel@tonic-gate fid_t fid; 26097c478bd9Sstevel@tonic-gate int attrdir, dotdot, walk; 26107c478bd9Sstevel@tonic-gate bool_t is_newvp = FALSE; 26117c478bd9Sstevel@tonic-gate 26127c478bd9Sstevel@tonic-gate if (cs->vp->v_flag & V_XATTRDIR) { 26137c478bd9Sstevel@tonic-gate attrdir = 1; 26147c478bd9Sstevel@tonic-gate ASSERT(get_fh4_flag(&cs->fh, FH4_ATTRDIR)); 26157c478bd9Sstevel@tonic-gate } else { 26167c478bd9Sstevel@tonic-gate attrdir = 0; 26177c478bd9Sstevel@tonic-gate ASSERT(! get_fh4_flag(&cs->fh, FH4_ATTRDIR)); 26187c478bd9Sstevel@tonic-gate } 26197c478bd9Sstevel@tonic-gate 26207c478bd9Sstevel@tonic-gate dotdot = (nm[0] == '.' && nm[1] == '.' && nm[2] == '\0'); 26217c478bd9Sstevel@tonic-gate 26227c478bd9Sstevel@tonic-gate /* 26237c478bd9Sstevel@tonic-gate * If dotdotting, then need to check whether it's 26247c478bd9Sstevel@tonic-gate * above the root of a filesystem, or above an 26257c478bd9Sstevel@tonic-gate * export point. 26267c478bd9Sstevel@tonic-gate */ 26277c478bd9Sstevel@tonic-gate if (dotdot) { 26287c478bd9Sstevel@tonic-gate 26297c478bd9Sstevel@tonic-gate /* 26307c478bd9Sstevel@tonic-gate * If dotdotting at the root of a filesystem, then 26317c478bd9Sstevel@tonic-gate * need to traverse back to the mounted-on filesystem 26327c478bd9Sstevel@tonic-gate * and do the dotdot lookup there. 26337c478bd9Sstevel@tonic-gate */ 26347c478bd9Sstevel@tonic-gate if (cs->vp->v_flag & VROOT) { 26357c478bd9Sstevel@tonic-gate 26367c478bd9Sstevel@tonic-gate /* 26377c478bd9Sstevel@tonic-gate * If at the system root, then can 26387c478bd9Sstevel@tonic-gate * go up no further. 26397c478bd9Sstevel@tonic-gate */ 26407c478bd9Sstevel@tonic-gate if (VN_CMP(cs->vp, rootdir)) 26417c478bd9Sstevel@tonic-gate return (puterrno4(ENOENT)); 26427c478bd9Sstevel@tonic-gate 26437c478bd9Sstevel@tonic-gate /* 26447c478bd9Sstevel@tonic-gate * Traverse back to the mounted-on filesystem 26457c478bd9Sstevel@tonic-gate */ 26467c478bd9Sstevel@tonic-gate cs->vp = untraverse(cs->vp); 26477c478bd9Sstevel@tonic-gate 26487c478bd9Sstevel@tonic-gate /* 26497c478bd9Sstevel@tonic-gate * Set the different_export flag so we remember 26507c478bd9Sstevel@tonic-gate * to pick up a new exportinfo entry for 26517c478bd9Sstevel@tonic-gate * this new filesystem. 26527c478bd9Sstevel@tonic-gate */ 26537c478bd9Sstevel@tonic-gate different_export = 1; 26547c478bd9Sstevel@tonic-gate } else { 26557c478bd9Sstevel@tonic-gate 26567c478bd9Sstevel@tonic-gate /* 26577c478bd9Sstevel@tonic-gate * If dotdotting above an export point then set 26587c478bd9Sstevel@tonic-gate * the different_export to get new export info. 26597c478bd9Sstevel@tonic-gate */ 26607c478bd9Sstevel@tonic-gate different_export = nfs_exported(cs->exi, cs->vp); 26617c478bd9Sstevel@tonic-gate } 26627c478bd9Sstevel@tonic-gate } 26637c478bd9Sstevel@tonic-gate 2664da6c28aaSamw error = VOP_LOOKUP(cs->vp, nm, &vp, NULL, 0, NULL, cs->cr, 2665da6c28aaSamw NULL, NULL, NULL); 26667c478bd9Sstevel@tonic-gate if (error) 26677c478bd9Sstevel@tonic-gate return (puterrno4(error)); 26687c478bd9Sstevel@tonic-gate 26697c478bd9Sstevel@tonic-gate /* 26707c478bd9Sstevel@tonic-gate * If the vnode is in a pseudo filesystem, check whether it is visible. 26717c478bd9Sstevel@tonic-gate * 26727c478bd9Sstevel@tonic-gate * XXX if the vnode is a symlink and it is not visible in 26737c478bd9Sstevel@tonic-gate * a pseudo filesystem, return ENOENT (not following symlink). 26747c478bd9Sstevel@tonic-gate * V4 client can not mount such symlink. This is a regression 26757c478bd9Sstevel@tonic-gate * from V2/V3. 26767c478bd9Sstevel@tonic-gate * 26777c478bd9Sstevel@tonic-gate * In the same exported filesystem, if the security flavor used 26787c478bd9Sstevel@tonic-gate * is not an explicitly shared flavor, limit the view to the visible 26797c478bd9Sstevel@tonic-gate * list entries only. This is not a WRONGSEC case because it's already 26807c478bd9Sstevel@tonic-gate * checked via PUTROOTFH/PUTPUBFH or PUTFH. 26817c478bd9Sstevel@tonic-gate */ 26827c478bd9Sstevel@tonic-gate if (!different_export && 26837c478bd9Sstevel@tonic-gate (PSEUDO(cs->exi) || ! is_exported_sec(cs->nfsflavor, cs->exi) || 26847c478bd9Sstevel@tonic-gate cs->access & CS_ACCESS_LIMITED)) { 26857c478bd9Sstevel@tonic-gate if (! nfs_visible(cs->exi, vp, &different_export)) { 26867c478bd9Sstevel@tonic-gate VN_RELE(vp); 26877c478bd9Sstevel@tonic-gate return (puterrno4(ENOENT)); 26887c478bd9Sstevel@tonic-gate } 26897c478bd9Sstevel@tonic-gate } 26907c478bd9Sstevel@tonic-gate 26917c478bd9Sstevel@tonic-gate /* 26927c478bd9Sstevel@tonic-gate * If it's a mountpoint, then traverse it. 26937c478bd9Sstevel@tonic-gate */ 26947c478bd9Sstevel@tonic-gate if (vn_ismntpt(vp)) { 26957c478bd9Sstevel@tonic-gate pre_exi = cs->exi; /* save pre-traversed exportinfo */ 26967c478bd9Sstevel@tonic-gate pre_tvp = vp; /* save pre-traversed vnode */ 26977c478bd9Sstevel@tonic-gate 26987c478bd9Sstevel@tonic-gate /* 26997c478bd9Sstevel@tonic-gate * hold pre_tvp to counteract rele by traverse. We will 27007c478bd9Sstevel@tonic-gate * need pre_tvp below if checkexport4 fails 27017c478bd9Sstevel@tonic-gate */ 27027c478bd9Sstevel@tonic-gate VN_HOLD(pre_tvp); 27037c478bd9Sstevel@tonic-gate tvp = vp; 27047c478bd9Sstevel@tonic-gate if ((error = traverse(&tvp)) != 0) { 27057c478bd9Sstevel@tonic-gate VN_RELE(vp); 27067c478bd9Sstevel@tonic-gate VN_RELE(pre_tvp); 27077c478bd9Sstevel@tonic-gate return (puterrno4(error)); 27087c478bd9Sstevel@tonic-gate } 27097c478bd9Sstevel@tonic-gate vp = tvp; 27107c478bd9Sstevel@tonic-gate different_export = 1; 27117c478bd9Sstevel@tonic-gate } else if (vp->v_vfsp != cs->vp->v_vfsp) { 27127c478bd9Sstevel@tonic-gate /* 27137c478bd9Sstevel@tonic-gate * The vfsp comparison is to handle the case where 27147c478bd9Sstevel@tonic-gate * a LOFS mount is shared. lo_lookup traverses mount points, 27157c478bd9Sstevel@tonic-gate * and NFS is unaware of local fs transistions because 27167c478bd9Sstevel@tonic-gate * v_vfsmountedhere isn't set. For this special LOFS case, 27177c478bd9Sstevel@tonic-gate * the dir and the obj returned by lookup will have different 27187c478bd9Sstevel@tonic-gate * vfs ptrs. 27197c478bd9Sstevel@tonic-gate */ 27207c478bd9Sstevel@tonic-gate different_export = 1; 27217c478bd9Sstevel@tonic-gate } 27227c478bd9Sstevel@tonic-gate 27237c478bd9Sstevel@tonic-gate if (different_export) { 27247c478bd9Sstevel@tonic-gate 27257c478bd9Sstevel@tonic-gate bzero(&fid, sizeof (fid)); 27267c478bd9Sstevel@tonic-gate fid.fid_len = MAXFIDSZ; 27277c478bd9Sstevel@tonic-gate error = vop_fid_pseudo(vp, &fid); 27287c478bd9Sstevel@tonic-gate if (error) { 27297c478bd9Sstevel@tonic-gate VN_RELE(vp); 27307c478bd9Sstevel@tonic-gate if (pre_tvp) 27317c478bd9Sstevel@tonic-gate VN_RELE(pre_tvp); 27327c478bd9Sstevel@tonic-gate return (puterrno4(error)); 27337c478bd9Sstevel@tonic-gate } 27347c478bd9Sstevel@tonic-gate 27357c478bd9Sstevel@tonic-gate if (dotdot) 27367c478bd9Sstevel@tonic-gate exi = nfs_vptoexi(NULL, vp, cs->cr, &walk, NULL, TRUE); 27377c478bd9Sstevel@tonic-gate else 27387c478bd9Sstevel@tonic-gate exi = checkexport4(&vp->v_vfsp->vfs_fsid, &fid, vp); 27397c478bd9Sstevel@tonic-gate 27407c478bd9Sstevel@tonic-gate if (exi == NULL) { 27417c478bd9Sstevel@tonic-gate if (pre_tvp) { 27427c478bd9Sstevel@tonic-gate /* 27437c478bd9Sstevel@tonic-gate * If this vnode is a mounted-on vnode, 27447c478bd9Sstevel@tonic-gate * but the mounted-on file system is not 27457c478bd9Sstevel@tonic-gate * exported, send back the filehandle for 27467c478bd9Sstevel@tonic-gate * the mounted-on vnode, not the root of 27477c478bd9Sstevel@tonic-gate * the mounted-on file system. 27487c478bd9Sstevel@tonic-gate */ 27497c478bd9Sstevel@tonic-gate VN_RELE(vp); 27507c478bd9Sstevel@tonic-gate vp = pre_tvp; 27517c478bd9Sstevel@tonic-gate exi = pre_exi; 27527c478bd9Sstevel@tonic-gate } else { 27537c478bd9Sstevel@tonic-gate VN_RELE(vp); 27547c478bd9Sstevel@tonic-gate return (puterrno4(EACCES)); 27557c478bd9Sstevel@tonic-gate } 27567c478bd9Sstevel@tonic-gate } else if (pre_tvp) { 27577c478bd9Sstevel@tonic-gate /* we're done with pre_tvp now. release extra hold */ 27587c478bd9Sstevel@tonic-gate VN_RELE(pre_tvp); 27597c478bd9Sstevel@tonic-gate } 27607c478bd9Sstevel@tonic-gate 27617c478bd9Sstevel@tonic-gate cs->exi = exi; 27627c478bd9Sstevel@tonic-gate 27637c478bd9Sstevel@tonic-gate /* 27647c478bd9Sstevel@tonic-gate * Now we do a checkauth4. The reason is that 27657c478bd9Sstevel@tonic-gate * this client/user may not have access to the new 27667c478bd9Sstevel@tonic-gate * exported file system, and if he does, 27677c478bd9Sstevel@tonic-gate * the client/user may be mapped to a different uid. 27687c478bd9Sstevel@tonic-gate * 27697c478bd9Sstevel@tonic-gate * We start with a new cr, because the checkauth4 done 27707c478bd9Sstevel@tonic-gate * in the PUT*FH operation over wrote the cred's uid, 27717c478bd9Sstevel@tonic-gate * gid, etc, and we want the real thing before calling 27727c478bd9Sstevel@tonic-gate * checkauth4() 27737c478bd9Sstevel@tonic-gate */ 27747c478bd9Sstevel@tonic-gate crfree(cs->cr); 27757c478bd9Sstevel@tonic-gate cs->cr = crdup(cs->basecr); 27767c478bd9Sstevel@tonic-gate 27777c478bd9Sstevel@tonic-gate oldvp = cs->vp; 27787c478bd9Sstevel@tonic-gate cs->vp = vp; 27797c478bd9Sstevel@tonic-gate is_newvp = TRUE; 27807c478bd9Sstevel@tonic-gate 27817c478bd9Sstevel@tonic-gate stat = call_checkauth4(cs, req); 27827c478bd9Sstevel@tonic-gate if (stat != NFS4_OK) { 27837c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 27847c478bd9Sstevel@tonic-gate cs->vp = oldvp; 27857c478bd9Sstevel@tonic-gate return (stat); 27867c478bd9Sstevel@tonic-gate } 27877c478bd9Sstevel@tonic-gate } 27887c478bd9Sstevel@tonic-gate 278945916cd2Sjpk /* 279045916cd2Sjpk * After various NFS checks, do a label check on the path 279145916cd2Sjpk * component. The label on this path should either be the 279245916cd2Sjpk * global zone's label or a zone's label. We are only 279345916cd2Sjpk * interested in the zone's label because exported files 279445916cd2Sjpk * in global zone is accessible (though read-only) to 279545916cd2Sjpk * clients. The exportability/visibility check is already 279645916cd2Sjpk * done before reaching this code. 279745916cd2Sjpk */ 279845916cd2Sjpk if (is_system_labeled()) { 279945916cd2Sjpk bslabel_t *clabel; 280045916cd2Sjpk 280145916cd2Sjpk ASSERT(req->rq_label != NULL); 280245916cd2Sjpk clabel = req->rq_label; 280345916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__oplookup__clabel, char *, 280445916cd2Sjpk "got client label from request(1)", struct svc_req *, req); 280545916cd2Sjpk 280645916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 2807bd6f1640SJarrett Lu if (!do_rfs_label_check(clabel, vp, DOMINANCE_CHECK, 2808bd6f1640SJarrett Lu cs->exi)) { 280945916cd2Sjpk error = EACCES; 281045916cd2Sjpk goto err_out; 281145916cd2Sjpk } 281245916cd2Sjpk } else { 281345916cd2Sjpk /* 281445916cd2Sjpk * We grant access to admin_low label clients 281545916cd2Sjpk * only if the client is trusted, i.e. also 281645916cd2Sjpk * running Solaris Trusted Extension. 281745916cd2Sjpk */ 281845916cd2Sjpk struct sockaddr *ca; 281945916cd2Sjpk int addr_type; 282045916cd2Sjpk void *ipaddr; 282145916cd2Sjpk tsol_tpc_t *tp; 282245916cd2Sjpk 282345916cd2Sjpk ca = (struct sockaddr *)svc_getrpccaller( 282445916cd2Sjpk req->rq_xprt)->buf; 282545916cd2Sjpk if (ca->sa_family == AF_INET) { 282645916cd2Sjpk addr_type = IPV4_VERSION; 282745916cd2Sjpk ipaddr = &((struct sockaddr_in *)ca)->sin_addr; 282845916cd2Sjpk } else if (ca->sa_family == AF_INET6) { 282945916cd2Sjpk addr_type = IPV6_VERSION; 283045916cd2Sjpk ipaddr = &((struct sockaddr_in6 *) 283145916cd2Sjpk ca)->sin6_addr; 283245916cd2Sjpk } 283345916cd2Sjpk tp = find_tpc(ipaddr, addr_type, B_FALSE); 283445916cd2Sjpk if (tp == NULL || tp->tpc_tp.tp_doi != 283545916cd2Sjpk l_admin_low->tsl_doi || tp->tpc_tp.host_type != 283645916cd2Sjpk SUN_CIPSO) { 283703986916Sjarrett if (tp != NULL) 283803986916Sjarrett TPC_RELE(tp); 283945916cd2Sjpk error = EACCES; 284045916cd2Sjpk goto err_out; 284145916cd2Sjpk } 284203986916Sjarrett TPC_RELE(tp); 284345916cd2Sjpk } 284445916cd2Sjpk } 284545916cd2Sjpk 28467c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, vp, cs->exi); 28477c478bd9Sstevel@tonic-gate 284845916cd2Sjpk err_out: 28497c478bd9Sstevel@tonic-gate if (error) { 28507c478bd9Sstevel@tonic-gate if (is_newvp) { 28517c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 28527c478bd9Sstevel@tonic-gate cs->vp = oldvp; 28537c478bd9Sstevel@tonic-gate } else 28547c478bd9Sstevel@tonic-gate VN_RELE(vp); 28557c478bd9Sstevel@tonic-gate return (puterrno4(error)); 28567c478bd9Sstevel@tonic-gate } 28577c478bd9Sstevel@tonic-gate 28587c478bd9Sstevel@tonic-gate if (!is_newvp) { 28597c478bd9Sstevel@tonic-gate if (cs->vp) 28607c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 28617c478bd9Sstevel@tonic-gate cs->vp = vp; 28627c478bd9Sstevel@tonic-gate } else if (oldvp) 28637c478bd9Sstevel@tonic-gate VN_RELE(oldvp); 28647c478bd9Sstevel@tonic-gate 28657c478bd9Sstevel@tonic-gate /* 28667c478bd9Sstevel@tonic-gate * if did lookup on attrdir and didn't lookup .., set named 28677c478bd9Sstevel@tonic-gate * attr fh flag 28687c478bd9Sstevel@tonic-gate */ 28697c478bd9Sstevel@tonic-gate if (attrdir && ! dotdot) 28707c478bd9Sstevel@tonic-gate set_fh4_flag(&cs->fh, FH4_NAMEDATTR); 28717c478bd9Sstevel@tonic-gate 28727c478bd9Sstevel@tonic-gate /* Assume false for now, open proc will set this */ 28737c478bd9Sstevel@tonic-gate cs->mandlock = FALSE; 28747c478bd9Sstevel@tonic-gate 28757c478bd9Sstevel@tonic-gate return (NFS4_OK); 28767c478bd9Sstevel@tonic-gate } 28777c478bd9Sstevel@tonic-gate 28787c478bd9Sstevel@tonic-gate /* ARGSUSED */ 28797c478bd9Sstevel@tonic-gate static void 28807c478bd9Sstevel@tonic-gate rfs4_op_lookup(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 28817c478bd9Sstevel@tonic-gate struct compound_state *cs) 28827c478bd9Sstevel@tonic-gate { 28837c478bd9Sstevel@tonic-gate LOOKUP4args *args = &argop->nfs_argop4_u.oplookup; 28847c478bd9Sstevel@tonic-gate LOOKUP4res *resp = &resop->nfs_resop4_u.oplookup; 28857c478bd9Sstevel@tonic-gate char *nm; 28867c478bd9Sstevel@tonic-gate uint_t len; 2887b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 2888b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 28897c478bd9Sstevel@tonic-gate 2890f3b585ceSsamf DTRACE_NFSV4_2(op__lookup__start, struct compound_state *, cs, 2891f3b585ceSsamf LOOKUP4args *, args); 2892f3b585ceSsamf 28937c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 28947c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2895f3b585ceSsamf goto out; 28967c478bd9Sstevel@tonic-gate } 28977c478bd9Sstevel@tonic-gate 28987c478bd9Sstevel@tonic-gate if (cs->vp->v_type == VLNK) { 28997c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SYMLINK; 2900f3b585ceSsamf goto out; 29017c478bd9Sstevel@tonic-gate } 29027c478bd9Sstevel@tonic-gate 29037c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VDIR) { 29047c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 2905f3b585ceSsamf goto out; 29067c478bd9Sstevel@tonic-gate } 29077c478bd9Sstevel@tonic-gate 29087c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->objname)) { 29097c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 2910f3b585ceSsamf goto out; 29117c478bd9Sstevel@tonic-gate } 29127c478bd9Sstevel@tonic-gate 29137c478bd9Sstevel@tonic-gate nm = utf8_to_str(&args->objname, &len, NULL); 29147c478bd9Sstevel@tonic-gate if (nm == NULL) { 29157c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 2916f3b585ceSsamf goto out; 29177c478bd9Sstevel@tonic-gate } 29187c478bd9Sstevel@tonic-gate 29197c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 29207c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 29217c478bd9Sstevel@tonic-gate kmem_free(nm, len); 2922f3b585ceSsamf goto out; 29237c478bd9Sstevel@tonic-gate } 29247c478bd9Sstevel@tonic-gate 2925b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 2926b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 2927b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 2928b89a8333Snatalie li - Sun Microsystems - Irvine United States 2929b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 2930b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 2931b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, len); 2932b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 2933b89a8333Snatalie li - Sun Microsystems - Irvine United States } 2934b89a8333Snatalie li - Sun Microsystems - Irvine United States 2935593cc11bSJan Kryl *cs->statusp = resp->status = do_rfs4_op_lookup(name, req, cs); 2936b89a8333Snatalie li - Sun Microsystems - Irvine United States 2937b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 2938b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 29397c478bd9Sstevel@tonic-gate kmem_free(nm, len); 2940f3b585ceSsamf 2941f3b585ceSsamf out: 2942f3b585ceSsamf DTRACE_NFSV4_2(op__lookup__done, struct compound_state *, cs, 2943f3b585ceSsamf LOOKUP4res *, resp); 29447c478bd9Sstevel@tonic-gate } 29457c478bd9Sstevel@tonic-gate 29467c478bd9Sstevel@tonic-gate /* ARGSUSED */ 29477c478bd9Sstevel@tonic-gate static void 29487c478bd9Sstevel@tonic-gate rfs4_op_lookupp(nfs_argop4 *args, nfs_resop4 *resop, struct svc_req *req, 29497c478bd9Sstevel@tonic-gate struct compound_state *cs) 29507c478bd9Sstevel@tonic-gate { 29517c478bd9Sstevel@tonic-gate LOOKUPP4res *resp = &resop->nfs_resop4_u.oplookupp; 29527c478bd9Sstevel@tonic-gate 2953f3b585ceSsamf DTRACE_NFSV4_1(op__lookupp__start, struct compound_state *, cs); 2954f3b585ceSsamf 29557c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 29567c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2957f3b585ceSsamf goto out; 29587c478bd9Sstevel@tonic-gate } 29597c478bd9Sstevel@tonic-gate 29607c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VDIR) { 29617c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 2962f3b585ceSsamf goto out; 29637c478bd9Sstevel@tonic-gate } 29647c478bd9Sstevel@tonic-gate 2965593cc11bSJan Kryl *cs->statusp = resp->status = do_rfs4_op_lookup("..", req, cs); 29667c478bd9Sstevel@tonic-gate 29677c478bd9Sstevel@tonic-gate /* 29687c478bd9Sstevel@tonic-gate * From NFSV4 Specification, LOOKUPP should not check for 29697c478bd9Sstevel@tonic-gate * NFS4ERR_WRONGSEC. Retrun NFS4_OK instead. 29707c478bd9Sstevel@tonic-gate */ 29717c478bd9Sstevel@tonic-gate if (resp->status == NFS4ERR_WRONGSEC) { 29727c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 29737c478bd9Sstevel@tonic-gate } 2974f3b585ceSsamf 2975f3b585ceSsamf out: 2976f3b585ceSsamf DTRACE_NFSV4_2(op__lookupp__done, struct compound_state *, cs, 2977f3b585ceSsamf LOOKUPP4res *, resp); 29787c478bd9Sstevel@tonic-gate } 29797c478bd9Sstevel@tonic-gate 29807c478bd9Sstevel@tonic-gate 29817c478bd9Sstevel@tonic-gate /*ARGSUSED2*/ 29827c478bd9Sstevel@tonic-gate static void 29837c478bd9Sstevel@tonic-gate rfs4_op_openattr(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 29847c478bd9Sstevel@tonic-gate struct compound_state *cs) 29857c478bd9Sstevel@tonic-gate { 29867c478bd9Sstevel@tonic-gate OPENATTR4args *args = &argop->nfs_argop4_u.opopenattr; 29877c478bd9Sstevel@tonic-gate OPENATTR4res *resp = &resop->nfs_resop4_u.opopenattr; 29887c478bd9Sstevel@tonic-gate vnode_t *avp = NULL; 29897c478bd9Sstevel@tonic-gate int lookup_flags = LOOKUP_XATTR, error; 29907c478bd9Sstevel@tonic-gate int exp_ro = 0; 29917c478bd9Sstevel@tonic-gate 2992f3b585ceSsamf DTRACE_NFSV4_2(op__openattr__start, struct compound_state *, cs, 2993f3b585ceSsamf OPENATTR4args *, args); 2994f3b585ceSsamf 29957c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 29967c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2997f3b585ceSsamf goto out; 29987c478bd9Sstevel@tonic-gate } 29997c478bd9Sstevel@tonic-gate 3000da6c28aaSamw if ((cs->vp->v_vfsp->vfs_flag & VFS_XATTR) == 0 && 30019660e5cbSJanice Chang !vfs_has_feature(cs->vp->v_vfsp, VFSFT_SYSATTR_VIEWS)) { 3002f3b585ceSsamf *cs->statusp = resp->status = puterrno4(ENOTSUP); 3003f3b585ceSsamf goto out; 30047c478bd9Sstevel@tonic-gate } 30057c478bd9Sstevel@tonic-gate 300693aeed83Smarks /* 300793aeed83Smarks * If file system supports passing ACE mask to VOP_ACCESS then 300893aeed83Smarks * check for ACE_READ_NAMED_ATTRS, otherwise do legacy checks 300993aeed83Smarks */ 301093aeed83Smarks 301193aeed83Smarks if (vfs_has_feature(cs->vp->v_vfsp, VFSFT_ACEMASKONACCESS)) 301293aeed83Smarks error = VOP_ACCESS(cs->vp, ACE_READ_NAMED_ATTRS, 301393aeed83Smarks V_ACE_MASK, cs->cr, NULL); 301493aeed83Smarks else 301593aeed83Smarks error = ((VOP_ACCESS(cs->vp, VREAD, 0, cs->cr, NULL) != 0) && 3016da6c28aaSamw (VOP_ACCESS(cs->vp, VWRITE, 0, cs->cr, NULL) != 0) && 301793aeed83Smarks (VOP_ACCESS(cs->vp, VEXEC, 0, cs->cr, NULL) != 0)); 301893aeed83Smarks 301993aeed83Smarks if (error) { 3020f3b585ceSsamf *cs->statusp = resp->status = puterrno4(EACCES); 3021f3b585ceSsamf goto out; 30227c478bd9Sstevel@tonic-gate } 30237c478bd9Sstevel@tonic-gate 30247c478bd9Sstevel@tonic-gate /* 30257c478bd9Sstevel@tonic-gate * The CREATE_XATTR_DIR VOP flag cannot be specified if 30267c478bd9Sstevel@tonic-gate * the file system is exported read-only -- regardless of 30277c478bd9Sstevel@tonic-gate * createdir flag. Otherwise the attrdir would be created 30287c478bd9Sstevel@tonic-gate * (assuming server fs isn't mounted readonly locally). If 30297c478bd9Sstevel@tonic-gate * VOP_LOOKUP returns ENOENT in this case, the error will 30307c478bd9Sstevel@tonic-gate * be translated into EROFS. ENOSYS is mapped to ENOTSUP 30317c478bd9Sstevel@tonic-gate * because specfs has no VOP_LOOKUP op, so the macro would 30327c478bd9Sstevel@tonic-gate * return ENOSYS. EINVAL is returned by all (current) 30337c478bd9Sstevel@tonic-gate * Solaris file system implementations when any of their 30347c478bd9Sstevel@tonic-gate * restrictions are violated (xattr(dir) can't have xattrdir). 30357c478bd9Sstevel@tonic-gate * Returning NOTSUPP is more appropriate in this case 30367c478bd9Sstevel@tonic-gate * because the object will never be able to have an attrdir. 30377c478bd9Sstevel@tonic-gate */ 30387c478bd9Sstevel@tonic-gate if (args->createdir && ! (exp_ro = rdonly4(cs->exi, cs->vp, req))) 30397c478bd9Sstevel@tonic-gate lookup_flags |= CREATE_XATTR_DIR; 30407c478bd9Sstevel@tonic-gate 3041da6c28aaSamw error = VOP_LOOKUP(cs->vp, "", &avp, NULL, lookup_flags, NULL, cs->cr, 3042da6c28aaSamw NULL, NULL, NULL); 30437c478bd9Sstevel@tonic-gate 30447c478bd9Sstevel@tonic-gate if (error) { 30457c478bd9Sstevel@tonic-gate if (error == ENOENT && args->createdir && exp_ro) 3046f3b585ceSsamf *cs->statusp = resp->status = puterrno4(EROFS); 30477c478bd9Sstevel@tonic-gate else if (error == EINVAL || error == ENOSYS) 3048f3b585ceSsamf *cs->statusp = resp->status = puterrno4(ENOTSUP); 3049f3b585ceSsamf else 3050f3b585ceSsamf *cs->statusp = resp->status = puterrno4(error); 3051f3b585ceSsamf goto out; 30527c478bd9Sstevel@tonic-gate } 30537c478bd9Sstevel@tonic-gate 30547c478bd9Sstevel@tonic-gate ASSERT(avp->v_flag & V_XATTRDIR); 30557c478bd9Sstevel@tonic-gate 30567c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, avp, cs->exi); 30577c478bd9Sstevel@tonic-gate 30587c478bd9Sstevel@tonic-gate if (error) { 30597c478bd9Sstevel@tonic-gate VN_RELE(avp); 3060f3b585ceSsamf *cs->statusp = resp->status = puterrno4(error); 3061f3b585ceSsamf goto out; 30627c478bd9Sstevel@tonic-gate } 30637c478bd9Sstevel@tonic-gate 30647c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 30657c478bd9Sstevel@tonic-gate cs->vp = avp; 30667c478bd9Sstevel@tonic-gate 30677c478bd9Sstevel@tonic-gate /* 30687c478bd9Sstevel@tonic-gate * There is no requirement for an attrdir fh flag 30697c478bd9Sstevel@tonic-gate * because the attrdir has a vnode flag to distinguish 30707c478bd9Sstevel@tonic-gate * it from regular (non-xattr) directories. The 30717c478bd9Sstevel@tonic-gate * FH4_ATTRDIR flag is set for future sanity checks. 30727c478bd9Sstevel@tonic-gate */ 30737c478bd9Sstevel@tonic-gate set_fh4_flag(&cs->fh, FH4_ATTRDIR); 30747c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 30757c478bd9Sstevel@tonic-gate 3076f3b585ceSsamf out: 3077f3b585ceSsamf DTRACE_NFSV4_2(op__openattr__done, struct compound_state *, cs, 3078f3b585ceSsamf OPENATTR4res *, resp); 30797c478bd9Sstevel@tonic-gate } 30807c478bd9Sstevel@tonic-gate 30817c478bd9Sstevel@tonic-gate static int 3082da6c28aaSamw do_io(int direction, vnode_t *vp, struct uio *uio, int ioflag, cred_t *cred, 3083da6c28aaSamw caller_context_t *ct) 30847c478bd9Sstevel@tonic-gate { 30857c478bd9Sstevel@tonic-gate int error; 30867c478bd9Sstevel@tonic-gate int i; 30877c478bd9Sstevel@tonic-gate clock_t delaytime; 30887c478bd9Sstevel@tonic-gate 30897c478bd9Sstevel@tonic-gate delaytime = MSEC_TO_TICK_ROUNDUP(rfs4_lock_delay); 30907c478bd9Sstevel@tonic-gate 30917c478bd9Sstevel@tonic-gate /* 30927c478bd9Sstevel@tonic-gate * Don't block on mandatory locks. If this routine returns 30937c478bd9Sstevel@tonic-gate * EAGAIN, the caller should return NFS4ERR_LOCKED. 30947c478bd9Sstevel@tonic-gate */ 30957c478bd9Sstevel@tonic-gate uio->uio_fmode = FNONBLOCK; 30967c478bd9Sstevel@tonic-gate 30977c478bd9Sstevel@tonic-gate for (i = 0; i < rfs4_maxlock_tries; i++) { 30987c478bd9Sstevel@tonic-gate 30997c478bd9Sstevel@tonic-gate 31007c478bd9Sstevel@tonic-gate if (direction == FREAD) { 3101da6c28aaSamw (void) VOP_RWLOCK(vp, V_WRITELOCK_FALSE, ct); 3102da6c28aaSamw error = VOP_READ(vp, uio, ioflag, cred, ct); 3103da6c28aaSamw VOP_RWUNLOCK(vp, V_WRITELOCK_FALSE, ct); 31047c478bd9Sstevel@tonic-gate } else { 3105da6c28aaSamw (void) VOP_RWLOCK(vp, V_WRITELOCK_TRUE, ct); 3106da6c28aaSamw error = VOP_WRITE(vp, uio, ioflag, cred, ct); 3107da6c28aaSamw VOP_RWUNLOCK(vp, V_WRITELOCK_TRUE, ct); 31087c478bd9Sstevel@tonic-gate } 31097c478bd9Sstevel@tonic-gate 31107c478bd9Sstevel@tonic-gate if (error != EAGAIN) 31117c478bd9Sstevel@tonic-gate break; 31127c478bd9Sstevel@tonic-gate 31137c478bd9Sstevel@tonic-gate if (i < rfs4_maxlock_tries - 1) { 31147c478bd9Sstevel@tonic-gate delay(delaytime); 31157c478bd9Sstevel@tonic-gate delaytime *= 2; 31167c478bd9Sstevel@tonic-gate } 31177c478bd9Sstevel@tonic-gate } 31187c478bd9Sstevel@tonic-gate 31197c478bd9Sstevel@tonic-gate return (error); 31207c478bd9Sstevel@tonic-gate } 31217c478bd9Sstevel@tonic-gate 31227c478bd9Sstevel@tonic-gate /* ARGSUSED */ 31237c478bd9Sstevel@tonic-gate static void 31247c478bd9Sstevel@tonic-gate rfs4_op_read(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 31257c478bd9Sstevel@tonic-gate struct compound_state *cs) 31267c478bd9Sstevel@tonic-gate { 31277c478bd9Sstevel@tonic-gate READ4args *args = &argop->nfs_argop4_u.opread; 31287c478bd9Sstevel@tonic-gate READ4res *resp = &resop->nfs_resop4_u.opread; 31297c478bd9Sstevel@tonic-gate int error; 31307c478bd9Sstevel@tonic-gate int verror; 31317c478bd9Sstevel@tonic-gate vnode_t *vp; 31327c478bd9Sstevel@tonic-gate struct vattr va; 31337c478bd9Sstevel@tonic-gate struct iovec iov; 31347c478bd9Sstevel@tonic-gate struct uio uio; 31357c478bd9Sstevel@tonic-gate u_offset_t offset; 31367c478bd9Sstevel@tonic-gate bool_t *deleg = &cs->deleg; 31377c478bd9Sstevel@tonic-gate nfsstat4 stat; 31387c478bd9Sstevel@tonic-gate int in_crit = 0; 3139c242f9a0Schunli zhang - Sun Microsystems - Irvine United States mblk_t *mp = NULL; 31407c478bd9Sstevel@tonic-gate int alloc_err = 0; 3141c242f9a0Schunli zhang - Sun Microsystems - Irvine United States int rdma_used = 0; 3142c242f9a0Schunli zhang - Sun Microsystems - Irvine United States int loaned_buffers; 3143da6c28aaSamw caller_context_t ct; 3144c242f9a0Schunli zhang - Sun Microsystems - Irvine United States struct uio *uiop; 31457c478bd9Sstevel@tonic-gate 3146f3b585ceSsamf DTRACE_NFSV4_2(op__read__start, struct compound_state *, cs, 3147f3b585ceSsamf READ4args, args); 3148f3b585ceSsamf 31497c478bd9Sstevel@tonic-gate vp = cs->vp; 31507c478bd9Sstevel@tonic-gate if (vp == NULL) { 31517c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 3152f3b585ceSsamf goto out; 31537c478bd9Sstevel@tonic-gate } 31547c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 31557c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 3156f3b585ceSsamf goto out; 31577c478bd9Sstevel@tonic-gate } 31587c478bd9Sstevel@tonic-gate 3159da6c28aaSamw if ((stat = rfs4_check_stateid(FREAD, vp, &args->stateid, FALSE, 3160da6c28aaSamw deleg, TRUE, &ct)) != NFS4_OK) { 3161da6c28aaSamw *cs->statusp = resp->status = stat; 3162da6c28aaSamw goto out; 3163da6c28aaSamw } 3164da6c28aaSamw 31657c478bd9Sstevel@tonic-gate /* 31667c478bd9Sstevel@tonic-gate * Enter the critical region before calling VOP_RWLOCK 31677c478bd9Sstevel@tonic-gate * to avoid a deadlock with write requests. 31687c478bd9Sstevel@tonic-gate */ 31697c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 31707c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 31717c478bd9Sstevel@tonic-gate in_crit = 1; 3172da6c28aaSamw if (nbl_conflict(vp, NBL_READ, args->offset, args->count, 0, 3173da6c28aaSamw &ct)) { 31747c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_LOCKED; 31757c478bd9Sstevel@tonic-gate goto out; 31767c478bd9Sstevel@tonic-gate } 31777c478bd9Sstevel@tonic-gate } 31787c478bd9Sstevel@tonic-gate 31797c478bd9Sstevel@tonic-gate if ((stat = rfs4_check_stateid(FREAD, vp, &args->stateid, FALSE, 3180da6c28aaSamw deleg, TRUE, &ct)) != NFS4_OK) { 31817c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = stat; 31827c478bd9Sstevel@tonic-gate goto out; 31837c478bd9Sstevel@tonic-gate } 31847c478bd9Sstevel@tonic-gate 3185*35bbd688SKaren Rochford if (args->wlist) { 3186*35bbd688SKaren Rochford if (args->count > clist_len(args->wlist)) { 3187*35bbd688SKaren Rochford *cs->statusp = resp->status = NFS4ERR_INVAL; 3188*35bbd688SKaren Rochford goto out; 3189*35bbd688SKaren Rochford } 3190c242f9a0Schunli zhang - Sun Microsystems - Irvine United States rdma_used = 1; 3191*35bbd688SKaren Rochford } 3192c242f9a0Schunli zhang - Sun Microsystems - Irvine United States 3193c242f9a0Schunli zhang - Sun Microsystems - Irvine United States /* use loaned buffers for TCP */ 3194c242f9a0Schunli zhang - Sun Microsystems - Irvine United States loaned_buffers = (nfs_loaned_buffers && !rdma_used) ? 1 : 0; 3195c242f9a0Schunli zhang - Sun Microsystems - Irvine United States 31967c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE|AT_SIZE|AT_UID; 3197da6c28aaSamw verror = VOP_GETATTR(vp, &va, 0, cs->cr, &ct); 31987c478bd9Sstevel@tonic-gate 31997c478bd9Sstevel@tonic-gate /* 32007c478bd9Sstevel@tonic-gate * If we can't get the attributes, then we can't do the 32017c478bd9Sstevel@tonic-gate * right access checking. So, we'll fail the request. 32027c478bd9Sstevel@tonic-gate */ 32037c478bd9Sstevel@tonic-gate if (verror) { 32047c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(verror); 32057c478bd9Sstevel@tonic-gate goto out; 32067c478bd9Sstevel@tonic-gate } 32077c478bd9Sstevel@tonic-gate 32087c478bd9Sstevel@tonic-gate if (vp->v_type != VREG) { 32097c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 32107c478bd9Sstevel@tonic-gate ((vp->v_type == VDIR) ? NFS4ERR_ISDIR : NFS4ERR_INVAL); 32117c478bd9Sstevel@tonic-gate goto out; 32127c478bd9Sstevel@tonic-gate } 32137c478bd9Sstevel@tonic-gate 32147c478bd9Sstevel@tonic-gate if (crgetuid(cs->cr) != va.va_uid && 3215da6c28aaSamw (error = VOP_ACCESS(vp, VREAD, 0, cs->cr, &ct)) && 3216da6c28aaSamw (error = VOP_ACCESS(vp, VEXEC, 0, cs->cr, &ct))) { 32177c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 32187c478bd9Sstevel@tonic-gate goto out; 32197c478bd9Sstevel@tonic-gate } 32207c478bd9Sstevel@tonic-gate 32217c478bd9Sstevel@tonic-gate if (MANDLOCK(vp, va.va_mode)) { /* XXX - V4 supports mand locking */ 32227c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 32237c478bd9Sstevel@tonic-gate goto out; 32247c478bd9Sstevel@tonic-gate } 32257c478bd9Sstevel@tonic-gate 32267c478bd9Sstevel@tonic-gate offset = args->offset; 32277c478bd9Sstevel@tonic-gate if (offset >= va.va_size) { 32287c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 32297c478bd9Sstevel@tonic-gate resp->eof = TRUE; 32307c478bd9Sstevel@tonic-gate resp->data_len = 0; 32317c478bd9Sstevel@tonic-gate resp->data_val = NULL; 32327c478bd9Sstevel@tonic-gate resp->mblk = NULL; 32330a701b1eSRobert Gordon /* RDMA */ 32340a701b1eSRobert Gordon resp->wlist = args->wlist; 32350a701b1eSRobert Gordon resp->wlist_len = resp->data_len; 32367c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 3237f837ee4aSSiddheshwar Mahesh if (resp->wlist) 3238f837ee4aSSiddheshwar Mahesh clist_zero_len(resp->wlist); 32397c478bd9Sstevel@tonic-gate goto out; 32407c478bd9Sstevel@tonic-gate } 32417c478bd9Sstevel@tonic-gate 32427c478bd9Sstevel@tonic-gate if (args->count == 0) { 32437c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 32447c478bd9Sstevel@tonic-gate resp->eof = FALSE; 32457c478bd9Sstevel@tonic-gate resp->data_len = 0; 32467c478bd9Sstevel@tonic-gate resp->data_val = NULL; 32477c478bd9Sstevel@tonic-gate resp->mblk = NULL; 32480a701b1eSRobert Gordon /* RDMA */ 32490a701b1eSRobert Gordon resp->wlist = args->wlist; 32500a701b1eSRobert Gordon resp->wlist_len = resp->data_len; 3251f837ee4aSSiddheshwar Mahesh if (resp->wlist) 3252f837ee4aSSiddheshwar Mahesh clist_zero_len(resp->wlist); 32537c478bd9Sstevel@tonic-gate goto out; 32547c478bd9Sstevel@tonic-gate } 32557c478bd9Sstevel@tonic-gate 32567c478bd9Sstevel@tonic-gate /* 32577c478bd9Sstevel@tonic-gate * Do not allocate memory more than maximum allowed 32587c478bd9Sstevel@tonic-gate * transfer size 32597c478bd9Sstevel@tonic-gate */ 32607c478bd9Sstevel@tonic-gate if (args->count > rfs4_tsize(req)) 32617c478bd9Sstevel@tonic-gate args->count = rfs4_tsize(req); 32627c478bd9Sstevel@tonic-gate 3263c242f9a0Schunli zhang - Sun Microsystems - Irvine United States if (loaned_buffers) { 3264c242f9a0Schunli zhang - Sun Microsystems - Irvine United States uiop = (uio_t *)rfs_setup_xuio(vp); 3265c242f9a0Schunli zhang - Sun Microsystems - Irvine United States ASSERT(uiop != NULL); 3266c242f9a0Schunli zhang - Sun Microsystems - Irvine United States uiop->uio_segflg = UIO_SYSSPACE; 3267c242f9a0Schunli zhang - Sun Microsystems - Irvine United States uiop->uio_loffset = args->offset; 3268c242f9a0Schunli zhang - Sun Microsystems - Irvine United States uiop->uio_resid = args->count; 3269c242f9a0Schunli zhang - Sun Microsystems - Irvine United States 3270c242f9a0Schunli zhang - Sun Microsystems - Irvine United States /* Jump to do the read if successful */ 3271c242f9a0Schunli zhang - Sun Microsystems - Irvine United States if (!VOP_REQZCBUF(vp, UIO_READ, (xuio_t *)uiop, cs->cr, &ct)) { 3272c242f9a0Schunli zhang - Sun Microsystems - Irvine United States /* 3273c242f9a0Schunli zhang - Sun Microsystems - Irvine United States * Need to hold the vnode until after VOP_RETZCBUF() 3274c242f9a0Schunli zhang - Sun Microsystems - Irvine United States * is called. 3275c242f9a0Schunli zhang - Sun Microsystems - Irvine United States */ 3276c242f9a0Schunli zhang - Sun Microsystems - Irvine United States VN_HOLD(vp); 3277c242f9a0Schunli zhang - Sun Microsystems - Irvine United States goto doio_read; 3278c242f9a0Schunli zhang - Sun Microsystems - Irvine United States } 3279c242f9a0Schunli zhang - Sun Microsystems - Irvine United States 3280c242f9a0Schunli zhang - Sun Microsystems - Irvine United States DTRACE_PROBE2(nfss__i__reqzcbuf_failed, int, 3281c242f9a0Schunli zhang - Sun Microsystems - Irvine United States uiop->uio_loffset, int, uiop->uio_resid); 3282c242f9a0Schunli zhang - Sun Microsystems - Irvine United States 3283c242f9a0Schunli zhang - Sun Microsystems - Irvine United States uiop->uio_extflg = 0; 3284c242f9a0Schunli zhang - Sun Microsystems - Irvine United States 3285c242f9a0Schunli zhang - Sun Microsystems - Irvine United States /* failure to setup for zero copy */ 3286c242f9a0Schunli zhang - Sun Microsystems - Irvine United States rfs_free_xuio((void *)uiop); 3287c242f9a0Schunli zhang - Sun Microsystems - Irvine United States loaned_buffers = 0; 3288c242f9a0Schunli zhang - Sun Microsystems - Irvine United States } 3289c242f9a0Schunli zhang - Sun Microsystems - Irvine United States 32907c478bd9Sstevel@tonic-gate /* 32910a701b1eSRobert Gordon * If returning data via RDMA Write, then grab the chunk list. If we 32920a701b1eSRobert Gordon * aren't returning READ data w/RDMA_WRITE, then grab a mblk. 32930a701b1eSRobert Gordon */ 3294c242f9a0Schunli zhang - Sun Microsystems - Irvine United States if (rdma_used) { 32950a701b1eSRobert Gordon mp = NULL; 32960a701b1eSRobert Gordon (void) rdma_get_wchunk(req, &iov, args->wlist); 32970a701b1eSRobert Gordon } else { 32980a701b1eSRobert Gordon /* 32997c478bd9Sstevel@tonic-gate * mp will contain the data to be sent out in the read reply. 33000a701b1eSRobert Gordon * It will be freed after the reply has been sent. Let's 33010a701b1eSRobert Gordon * roundup the data to a BYTES_PER_XDR_UNIT multiple, so that 33020a701b1eSRobert Gordon * the call to xdrmblk_putmblk() never fails. If the first 33030a701b1eSRobert Gordon * alloc of the requested size fails, then decrease the size to 33040a701b1eSRobert Gordon * something more reasonable and wait for the allocation to 33050a701b1eSRobert Gordon * occur. 33067c478bd9Sstevel@tonic-gate */ 33077c478bd9Sstevel@tonic-gate mp = allocb(RNDUP(args->count), BPRI_MED); 33087c478bd9Sstevel@tonic-gate if (mp == NULL) { 33097c478bd9Sstevel@tonic-gate if (args->count > MAXBSIZE) 33107c478bd9Sstevel@tonic-gate args->count = MAXBSIZE; 33117c478bd9Sstevel@tonic-gate mp = allocb_wait(RNDUP(args->count), BPRI_MED, 33127c478bd9Sstevel@tonic-gate STR_NOSIG, &alloc_err); 33137c478bd9Sstevel@tonic-gate } 33147c478bd9Sstevel@tonic-gate ASSERT(mp != NULL); 33157c478bd9Sstevel@tonic-gate ASSERT(alloc_err == 0); 33167c478bd9Sstevel@tonic-gate 33177c478bd9Sstevel@tonic-gate iov.iov_base = (caddr_t)mp->b_datap->db_base; 33187c478bd9Sstevel@tonic-gate iov.iov_len = args->count; 33190a701b1eSRobert Gordon } 33200a701b1eSRobert Gordon 33217c478bd9Sstevel@tonic-gate uio.uio_iov = &iov; 33227c478bd9Sstevel@tonic-gate uio.uio_iovcnt = 1; 33237c478bd9Sstevel@tonic-gate uio.uio_segflg = UIO_SYSSPACE; 33247c478bd9Sstevel@tonic-gate uio.uio_extflg = UIO_COPY_CACHED; 33257c478bd9Sstevel@tonic-gate uio.uio_loffset = args->offset; 33267c478bd9Sstevel@tonic-gate uio.uio_resid = args->count; 3327c242f9a0Schunli zhang - Sun Microsystems - Irvine United States uiop = &uio; 33287c478bd9Sstevel@tonic-gate 3329c242f9a0Schunli zhang - Sun Microsystems - Irvine United States doio_read: 3330c242f9a0Schunli zhang - Sun Microsystems - Irvine United States error = do_io(FREAD, vp, uiop, 0, cs->cr, &ct); 33317c478bd9Sstevel@tonic-gate 33327c478bd9Sstevel@tonic-gate va.va_mask = AT_SIZE; 3333da6c28aaSamw verror = VOP_GETATTR(vp, &va, 0, cs->cr, &ct); 33347c478bd9Sstevel@tonic-gate 33357c478bd9Sstevel@tonic-gate if (error) { 3336c242f9a0Schunli zhang - Sun Microsystems - Irvine United States if (mp) 3337c242f9a0Schunli zhang - Sun Microsystems - Irvine United States freemsg(mp); 33387c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 33397c478bd9Sstevel@tonic-gate goto out; 33407c478bd9Sstevel@tonic-gate } 33417c478bd9Sstevel@tonic-gate 3342c242f9a0Schunli zhang - Sun Microsystems - Irvine United States /* make mblk using zc buffers */ 3343c242f9a0Schunli zhang - Sun Microsystems - Irvine United States if (loaned_buffers) { 3344c242f9a0Schunli zhang - Sun Microsystems - Irvine United States mp = uio_to_mblk(uiop); 3345c242f9a0Schunli zhang - Sun Microsystems - Irvine United States ASSERT(mp != NULL); 3346c242f9a0Schunli zhang - Sun Microsystems - Irvine United States } 3347c242f9a0Schunli zhang - Sun Microsystems - Irvine United States 33487c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 33497c478bd9Sstevel@tonic-gate 3350c242f9a0Schunli zhang - Sun Microsystems - Irvine United States ASSERT(uiop->uio_resid >= 0); 3351c242f9a0Schunli zhang - Sun Microsystems - Irvine United States resp->data_len = args->count - uiop->uio_resid; 33520a701b1eSRobert Gordon if (mp) { 33537c478bd9Sstevel@tonic-gate resp->data_val = (char *)mp->b_datap->db_base; 3354c242f9a0Schunli zhang - Sun Microsystems - Irvine United States rfs_rndup_mblks(mp, resp->data_len, loaned_buffers); 33550a701b1eSRobert Gordon } else { 33560a701b1eSRobert Gordon resp->data_val = (caddr_t)iov.iov_base; 33570a701b1eSRobert Gordon } 3358c242f9a0Schunli zhang - Sun Microsystems - Irvine United States 33597c478bd9Sstevel@tonic-gate resp->mblk = mp; 33607c478bd9Sstevel@tonic-gate 33617c478bd9Sstevel@tonic-gate if (!verror && offset + resp->data_len == va.va_size) 33627c478bd9Sstevel@tonic-gate resp->eof = TRUE; 33637c478bd9Sstevel@tonic-gate else 33647c478bd9Sstevel@tonic-gate resp->eof = FALSE; 33657c478bd9Sstevel@tonic-gate 3366c242f9a0Schunli zhang - Sun Microsystems - Irvine United States if (rdma_used) { 33670a701b1eSRobert Gordon if (!rdma_setup_read_data4(args, resp)) { 33680a701b1eSRobert Gordon *cs->statusp = resp->status = NFS4ERR_INVAL; 33690a701b1eSRobert Gordon } 33700a701b1eSRobert Gordon } else { 33710a701b1eSRobert Gordon resp->wlist = NULL; 33720a701b1eSRobert Gordon } 33730a701b1eSRobert Gordon 33747c478bd9Sstevel@tonic-gate out: 33757c478bd9Sstevel@tonic-gate if (in_crit) 33767c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 3377f3b585ceSsamf 3378f3b585ceSsamf DTRACE_NFSV4_2(op__read__done, struct compound_state *, cs, 3379f3b585ceSsamf READ4res *, resp); 33807c478bd9Sstevel@tonic-gate } 33817c478bd9Sstevel@tonic-gate 33827c478bd9Sstevel@tonic-gate static void 33837c478bd9Sstevel@tonic-gate rfs4_op_read_free(nfs_resop4 *resop) 33847c478bd9Sstevel@tonic-gate { 33857c478bd9Sstevel@tonic-gate READ4res *resp = &resop->nfs_resop4_u.opread; 33867c478bd9Sstevel@tonic-gate 33877c478bd9Sstevel@tonic-gate if (resp->status == NFS4_OK && resp->mblk != NULL) { 3388c242f9a0Schunli zhang - Sun Microsystems - Irvine United States freemsg(resp->mblk); 33897c478bd9Sstevel@tonic-gate resp->mblk = NULL; 33907c478bd9Sstevel@tonic-gate resp->data_val = NULL; 33917c478bd9Sstevel@tonic-gate resp->data_len = 0; 33927c478bd9Sstevel@tonic-gate } 33937c478bd9Sstevel@tonic-gate } 33947c478bd9Sstevel@tonic-gate 33957c478bd9Sstevel@tonic-gate static void 33967c478bd9Sstevel@tonic-gate rfs4_op_readdir_free(nfs_resop4 * resop) 33977c478bd9Sstevel@tonic-gate { 33987c478bd9Sstevel@tonic-gate READDIR4res *resp = &resop->nfs_resop4_u.opreaddir; 33997c478bd9Sstevel@tonic-gate 34007c478bd9Sstevel@tonic-gate if (resp->status == NFS4_OK && resp->mblk != NULL) { 34017c478bd9Sstevel@tonic-gate freeb(resp->mblk); 34027c478bd9Sstevel@tonic-gate resp->mblk = NULL; 34037c478bd9Sstevel@tonic-gate resp->data_len = 0; 34047c478bd9Sstevel@tonic-gate } 34057c478bd9Sstevel@tonic-gate } 34067c478bd9Sstevel@tonic-gate 34077c478bd9Sstevel@tonic-gate 34087c478bd9Sstevel@tonic-gate /* ARGSUSED */ 34097c478bd9Sstevel@tonic-gate static void 34107c478bd9Sstevel@tonic-gate rfs4_op_putpubfh(nfs_argop4 *args, nfs_resop4 *resop, struct svc_req *req, 34117c478bd9Sstevel@tonic-gate struct compound_state *cs) 34127c478bd9Sstevel@tonic-gate { 34137c478bd9Sstevel@tonic-gate PUTPUBFH4res *resp = &resop->nfs_resop4_u.opputpubfh; 34147c478bd9Sstevel@tonic-gate int error; 34157c478bd9Sstevel@tonic-gate vnode_t *vp; 34167c478bd9Sstevel@tonic-gate struct exportinfo *exi, *sav_exi; 34177c478bd9Sstevel@tonic-gate nfs_fh4_fmt_t *fh_fmtp; 34187c478bd9Sstevel@tonic-gate 3419f3b585ceSsamf DTRACE_NFSV4_1(op__putpubfh__start, struct compound_state *, cs); 3420f3b585ceSsamf 34217c478bd9Sstevel@tonic-gate if (cs->vp) { 34227c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 34237c478bd9Sstevel@tonic-gate cs->vp = NULL; 34247c478bd9Sstevel@tonic-gate } 34257c478bd9Sstevel@tonic-gate 34267c478bd9Sstevel@tonic-gate if (cs->cr) 34277c478bd9Sstevel@tonic-gate crfree(cs->cr); 34287c478bd9Sstevel@tonic-gate 34297c478bd9Sstevel@tonic-gate cs->cr = crdup(cs->basecr); 34307c478bd9Sstevel@tonic-gate 34317c478bd9Sstevel@tonic-gate vp = exi_public->exi_vp; 34327c478bd9Sstevel@tonic-gate if (vp == NULL) { 34337c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 3434f3b585ceSsamf goto out; 34357c478bd9Sstevel@tonic-gate } 34367c478bd9Sstevel@tonic-gate 34377c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, vp, exi_public); 34387c478bd9Sstevel@tonic-gate if (error != 0) { 34397c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 3440f3b585ceSsamf goto out; 34417c478bd9Sstevel@tonic-gate } 34427c478bd9Sstevel@tonic-gate sav_exi = cs->exi; 34437c478bd9Sstevel@tonic-gate if (exi_public == exi_root) { 34447c478bd9Sstevel@tonic-gate /* 34457c478bd9Sstevel@tonic-gate * No filesystem is actually shared public, so we default 34467c478bd9Sstevel@tonic-gate * to exi_root. In this case, we must check whether root 34477c478bd9Sstevel@tonic-gate * is exported. 34487c478bd9Sstevel@tonic-gate */ 34497c478bd9Sstevel@tonic-gate fh_fmtp = (nfs_fh4_fmt_t *)cs->fh.nfs_fh4_val; 34507c478bd9Sstevel@tonic-gate 34517c478bd9Sstevel@tonic-gate /* 34527c478bd9Sstevel@tonic-gate * if root filesystem is exported, the exportinfo struct that we 34537c478bd9Sstevel@tonic-gate * should use is what checkexport4 returns, because root_exi is 34547c478bd9Sstevel@tonic-gate * actually a mostly empty struct. 34557c478bd9Sstevel@tonic-gate */ 34567c478bd9Sstevel@tonic-gate exi = checkexport4(&fh_fmtp->fh4_fsid, 34577c478bd9Sstevel@tonic-gate (fid_t *)&fh_fmtp->fh4_xlen, NULL); 34587c478bd9Sstevel@tonic-gate cs->exi = ((exi != NULL) ? exi : exi_public); 34597c478bd9Sstevel@tonic-gate } else { 34607c478bd9Sstevel@tonic-gate /* 34617c478bd9Sstevel@tonic-gate * it's a properly shared filesystem 34627c478bd9Sstevel@tonic-gate */ 34637c478bd9Sstevel@tonic-gate cs->exi = exi_public; 34647c478bd9Sstevel@tonic-gate } 34657c478bd9Sstevel@tonic-gate 3466bd6f1640SJarrett Lu if (is_system_labeled()) { 3467bd6f1640SJarrett Lu bslabel_t *clabel; 3468bd6f1640SJarrett Lu 3469bd6f1640SJarrett Lu ASSERT(req->rq_label != NULL); 3470bd6f1640SJarrett Lu clabel = req->rq_label; 3471bd6f1640SJarrett Lu DTRACE_PROBE2(tx__rfs4__log__info__opputpubfh__clabel, char *, 3472bd6f1640SJarrett Lu "got client label from request(1)", 3473bd6f1640SJarrett Lu struct svc_req *, req); 3474bd6f1640SJarrett Lu if (!blequal(&l_admin_low->tsl_label, clabel)) { 3475bd6f1640SJarrett Lu if (!do_rfs_label_check(clabel, vp, DOMINANCE_CHECK, 3476bd6f1640SJarrett Lu cs->exi)) { 3477bd6f1640SJarrett Lu *cs->statusp = resp->status = 3478bd6f1640SJarrett Lu NFS4ERR_SERVERFAULT; 3479bd6f1640SJarrett Lu goto out; 3480bd6f1640SJarrett Lu } 3481bd6f1640SJarrett Lu } 3482bd6f1640SJarrett Lu } 3483bd6f1640SJarrett Lu 34847c478bd9Sstevel@tonic-gate VN_HOLD(vp); 34857c478bd9Sstevel@tonic-gate cs->vp = vp; 34867c478bd9Sstevel@tonic-gate 34877c478bd9Sstevel@tonic-gate if ((resp->status = call_checkauth4(cs, req)) != NFS4_OK) { 34887c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 34897c478bd9Sstevel@tonic-gate cs->vp = NULL; 34907c478bd9Sstevel@tonic-gate cs->exi = sav_exi; 3491f3b585ceSsamf goto out; 34927c478bd9Sstevel@tonic-gate } 34937c478bd9Sstevel@tonic-gate 34947c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 3495f3b585ceSsamf out: 3496f3b585ceSsamf DTRACE_NFSV4_2(op__putpubfh__done, struct compound_state *, cs, 3497f3b585ceSsamf PUTPUBFH4res *, resp); 34987c478bd9Sstevel@tonic-gate } 34997c478bd9Sstevel@tonic-gate 35007c478bd9Sstevel@tonic-gate /* 35017c478bd9Sstevel@tonic-gate * XXX - issue with put*fh operations. Suppose /export/home is exported. 35027c478bd9Sstevel@tonic-gate * Suppose an NFS client goes to mount /export/home/joe. If /export, home, 35037c478bd9Sstevel@tonic-gate * or joe have restrictive search permissions, then we shouldn't let 35047c478bd9Sstevel@tonic-gate * the client get a file handle. This is easy to enforce. However, we 35057c478bd9Sstevel@tonic-gate * don't know what security flavor should be used until we resolve the 35067c478bd9Sstevel@tonic-gate * path name. Another complication is uid mapping. If root is 35077c478bd9Sstevel@tonic-gate * the user, then it will be mapped to the anonymous user by default, 35087c478bd9Sstevel@tonic-gate * but we won't know that till we've resolved the path name. And we won't 35097c478bd9Sstevel@tonic-gate * know what the anonymous user is. 35107c478bd9Sstevel@tonic-gate * Luckily, SECINFO is specified to take a full filename. 35117c478bd9Sstevel@tonic-gate * So what we will have to in rfs4_op_lookup is check that flavor of 35127c478bd9Sstevel@tonic-gate * the target object matches that of the request, and if root was the 35137c478bd9Sstevel@tonic-gate * caller, check for the root= and anon= options, and if necessary, 35147c478bd9Sstevel@tonic-gate * repeat the lookup using the right cred_t. But that's not done yet. 35157c478bd9Sstevel@tonic-gate */ 35167c478bd9Sstevel@tonic-gate /* ARGSUSED */ 35177c478bd9Sstevel@tonic-gate static void 35187c478bd9Sstevel@tonic-gate rfs4_op_putfh(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 35197c478bd9Sstevel@tonic-gate struct compound_state *cs) 35207c478bd9Sstevel@tonic-gate { 35217c478bd9Sstevel@tonic-gate PUTFH4args *args = &argop->nfs_argop4_u.opputfh; 35227c478bd9Sstevel@tonic-gate PUTFH4res *resp = &resop->nfs_resop4_u.opputfh; 35237c478bd9Sstevel@tonic-gate nfs_fh4_fmt_t *fh_fmtp; 35247c478bd9Sstevel@tonic-gate 3525f3b585ceSsamf DTRACE_NFSV4_2(op__putfh__start, struct compound_state *, cs, 3526f3b585ceSsamf PUTFH4args *, args); 3527f3b585ceSsamf 35287c478bd9Sstevel@tonic-gate if (cs->vp) { 35297c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 35307c478bd9Sstevel@tonic-gate cs->vp = NULL; 35317c478bd9Sstevel@tonic-gate } 35327c478bd9Sstevel@tonic-gate 35337c478bd9Sstevel@tonic-gate if (cs->cr) { 35347c478bd9Sstevel@tonic-gate crfree(cs->cr); 35357c478bd9Sstevel@tonic-gate cs->cr = NULL; 35367c478bd9Sstevel@tonic-gate } 35377c478bd9Sstevel@tonic-gate 35387c478bd9Sstevel@tonic-gate 35397c478bd9Sstevel@tonic-gate if (args->object.nfs_fh4_len < NFS_FH4_LEN) { 35407c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BADHANDLE; 3541f3b585ceSsamf goto out; 35427c478bd9Sstevel@tonic-gate } 35437c478bd9Sstevel@tonic-gate 35447c478bd9Sstevel@tonic-gate fh_fmtp = (nfs_fh4_fmt_t *)args->object.nfs_fh4_val; 35457c478bd9Sstevel@tonic-gate cs->exi = checkexport4(&fh_fmtp->fh4_fsid, (fid_t *)&fh_fmtp->fh4_xlen, 35467c478bd9Sstevel@tonic-gate NULL); 35477c478bd9Sstevel@tonic-gate 35487c478bd9Sstevel@tonic-gate if (cs->exi == NULL) { 35497c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_STALE; 3550f3b585ceSsamf goto out; 35517c478bd9Sstevel@tonic-gate } 35527c478bd9Sstevel@tonic-gate 35537c478bd9Sstevel@tonic-gate cs->cr = crdup(cs->basecr); 35547c478bd9Sstevel@tonic-gate 35557c478bd9Sstevel@tonic-gate ASSERT(cs->cr != NULL); 35567c478bd9Sstevel@tonic-gate 35577c478bd9Sstevel@tonic-gate if (! (cs->vp = nfs4_fhtovp(&args->object, cs->exi, &resp->status))) { 35587c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 3559f3b585ceSsamf goto out; 35607c478bd9Sstevel@tonic-gate } 35617c478bd9Sstevel@tonic-gate 35627c478bd9Sstevel@tonic-gate if ((resp->status = call_checkauth4(cs, req)) != NFS4_OK) { 35637c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 35647c478bd9Sstevel@tonic-gate cs->vp = NULL; 3565f3b585ceSsamf goto out; 35667c478bd9Sstevel@tonic-gate } 35677c478bd9Sstevel@tonic-gate 35687c478bd9Sstevel@tonic-gate nfs_fh4_copy(&args->object, &cs->fh); 35697c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 35707c478bd9Sstevel@tonic-gate cs->deleg = FALSE; 3571f3b585ceSsamf 3572f3b585ceSsamf out: 3573f3b585ceSsamf DTRACE_NFSV4_2(op__putfh__done, struct compound_state *, cs, 3574f3b585ceSsamf PUTFH4res *, resp); 35757c478bd9Sstevel@tonic-gate } 35767c478bd9Sstevel@tonic-gate 35777c478bd9Sstevel@tonic-gate /* ARGSUSED */ 35787c478bd9Sstevel@tonic-gate static void 35797c478bd9Sstevel@tonic-gate rfs4_op_putrootfh(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 35807c478bd9Sstevel@tonic-gate struct compound_state *cs) 35817c478bd9Sstevel@tonic-gate { 35827c478bd9Sstevel@tonic-gate PUTROOTFH4res *resp = &resop->nfs_resop4_u.opputrootfh; 35837c478bd9Sstevel@tonic-gate int error; 35847c478bd9Sstevel@tonic-gate fid_t fid; 35857c478bd9Sstevel@tonic-gate struct exportinfo *exi, *sav_exi; 35867c478bd9Sstevel@tonic-gate 3587f3b585ceSsamf DTRACE_NFSV4_1(op__putrootfh__start, struct compound_state *, cs); 3588f3b585ceSsamf 35897c478bd9Sstevel@tonic-gate if (cs->vp) { 35907c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 35917c478bd9Sstevel@tonic-gate cs->vp = NULL; 35927c478bd9Sstevel@tonic-gate } 35937c478bd9Sstevel@tonic-gate 35947c478bd9Sstevel@tonic-gate if (cs->cr) 35957c478bd9Sstevel@tonic-gate crfree(cs->cr); 35967c478bd9Sstevel@tonic-gate 35977c478bd9Sstevel@tonic-gate cs->cr = crdup(cs->basecr); 35987c478bd9Sstevel@tonic-gate 35997c478bd9Sstevel@tonic-gate /* 36007c478bd9Sstevel@tonic-gate * Using rootdir, the system root vnode, 36017c478bd9Sstevel@tonic-gate * get its fid. 36027c478bd9Sstevel@tonic-gate */ 36037c478bd9Sstevel@tonic-gate bzero(&fid, sizeof (fid)); 36047c478bd9Sstevel@tonic-gate fid.fid_len = MAXFIDSZ; 36057c478bd9Sstevel@tonic-gate error = vop_fid_pseudo(rootdir, &fid); 36067c478bd9Sstevel@tonic-gate if (error != 0) { 36077c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 3608f3b585ceSsamf goto out; 36097c478bd9Sstevel@tonic-gate } 36107c478bd9Sstevel@tonic-gate 36117c478bd9Sstevel@tonic-gate /* 36127c478bd9Sstevel@tonic-gate * Then use the root fsid & fid it to find out if it's exported 36137c478bd9Sstevel@tonic-gate * 36147c478bd9Sstevel@tonic-gate * If the server root isn't exported directly, then 36157c478bd9Sstevel@tonic-gate * it should at least be a pseudo export based on 36167c478bd9Sstevel@tonic-gate * one or more exports further down in the server's 36177c478bd9Sstevel@tonic-gate * file tree. 36187c478bd9Sstevel@tonic-gate */ 36197c478bd9Sstevel@tonic-gate exi = checkexport4(&rootdir->v_vfsp->vfs_fsid, &fid, NULL); 36207c478bd9Sstevel@tonic-gate if (exi == NULL || exi->exi_export.ex_flags & EX_PUBLIC) { 36217c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 36227c478bd9Sstevel@tonic-gate (CE_WARN, "rfs4_op_putrootfh: export check failure")); 36237c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 3624f3b585ceSsamf goto out; 36257c478bd9Sstevel@tonic-gate } 36267c478bd9Sstevel@tonic-gate 36277c478bd9Sstevel@tonic-gate /* 36287c478bd9Sstevel@tonic-gate * Now make a filehandle based on the root 36297c478bd9Sstevel@tonic-gate * export and root vnode. 36307c478bd9Sstevel@tonic-gate */ 36317c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, rootdir, exi); 36327c478bd9Sstevel@tonic-gate if (error != 0) { 36337c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 3634f3b585ceSsamf goto out; 36357c478bd9Sstevel@tonic-gate } 36367c478bd9Sstevel@tonic-gate 36377c478bd9Sstevel@tonic-gate sav_exi = cs->exi; 36387c478bd9Sstevel@tonic-gate cs->exi = exi; 36397c478bd9Sstevel@tonic-gate 36407c478bd9Sstevel@tonic-gate VN_HOLD(rootdir); 36417c478bd9Sstevel@tonic-gate cs->vp = rootdir; 36427c478bd9Sstevel@tonic-gate 36437c478bd9Sstevel@tonic-gate if ((resp->status = call_checkauth4(cs, req)) != NFS4_OK) { 36447c478bd9Sstevel@tonic-gate VN_RELE(rootdir); 36457c478bd9Sstevel@tonic-gate cs->vp = NULL; 36467c478bd9Sstevel@tonic-gate cs->exi = sav_exi; 3647f3b585ceSsamf goto out; 36487c478bd9Sstevel@tonic-gate } 36497c478bd9Sstevel@tonic-gate 36507c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 36517c478bd9Sstevel@tonic-gate cs->deleg = FALSE; 3652f3b585ceSsamf out: 3653f3b585ceSsamf DTRACE_NFSV4_2(op__putrootfh__done, struct compound_state *, cs, 3654f3b585ceSsamf PUTROOTFH4res *, resp); 36557c478bd9Sstevel@tonic-gate } 36567c478bd9Sstevel@tonic-gate 36577c478bd9Sstevel@tonic-gate /* 36587c478bd9Sstevel@tonic-gate * A directory entry is a valid nfsv4 entry if 36597c478bd9Sstevel@tonic-gate * - it has a non-zero ino 36607c478bd9Sstevel@tonic-gate * - it is not a dot or dotdot name 36617c478bd9Sstevel@tonic-gate * - it is visible in a pseudo export or in a real export that can 36627c478bd9Sstevel@tonic-gate * only have a limited view. 36637c478bd9Sstevel@tonic-gate */ 36647c478bd9Sstevel@tonic-gate static bool_t 36657c478bd9Sstevel@tonic-gate valid_nfs4_entry(struct exportinfo *exi, struct dirent64 *dp, 36667c478bd9Sstevel@tonic-gate int *expseudo, int check_visible) 36677c478bd9Sstevel@tonic-gate { 36687c478bd9Sstevel@tonic-gate if (dp->d_ino == 0 || NFS_IS_DOTNAME(dp->d_name)) { 36697c478bd9Sstevel@tonic-gate *expseudo = 0; 36707c478bd9Sstevel@tonic-gate return (FALSE); 36717c478bd9Sstevel@tonic-gate } 36727c478bd9Sstevel@tonic-gate 36737c478bd9Sstevel@tonic-gate if (! check_visible) { 36747c478bd9Sstevel@tonic-gate *expseudo = 0; 36757c478bd9Sstevel@tonic-gate return (TRUE); 36767c478bd9Sstevel@tonic-gate } 36777c478bd9Sstevel@tonic-gate 36787c478bd9Sstevel@tonic-gate return (nfs_visible_inode(exi, dp->d_ino, expseudo)); 36797c478bd9Sstevel@tonic-gate } 36807c478bd9Sstevel@tonic-gate 36817c478bd9Sstevel@tonic-gate /* 36827c478bd9Sstevel@tonic-gate * set_rdattr_params sets up the variables used to manage what information 36837c478bd9Sstevel@tonic-gate * to get for each directory entry. 36847c478bd9Sstevel@tonic-gate */ 36857c478bd9Sstevel@tonic-gate static nfsstat4 36867c478bd9Sstevel@tonic-gate set_rdattr_params(struct nfs4_svgetit_arg *sargp, 36877c478bd9Sstevel@tonic-gate bitmap4 attrs, bool_t *need_to_lookup) 36887c478bd9Sstevel@tonic-gate { 36897c478bd9Sstevel@tonic-gate uint_t va_mask; 36907c478bd9Sstevel@tonic-gate nfsstat4 status; 36917c478bd9Sstevel@tonic-gate bitmap4 objbits; 36927c478bd9Sstevel@tonic-gate 36937c478bd9Sstevel@tonic-gate status = bitmap4_to_attrmask(attrs, sargp); 36947c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 36957c478bd9Sstevel@tonic-gate /* 36967c478bd9Sstevel@tonic-gate * could not even figure attr mask 36977c478bd9Sstevel@tonic-gate */ 36987c478bd9Sstevel@tonic-gate return (status); 36997c478bd9Sstevel@tonic-gate } 37007c478bd9Sstevel@tonic-gate va_mask = sargp->vap->va_mask; 37017c478bd9Sstevel@tonic-gate 37027c478bd9Sstevel@tonic-gate /* 37037c478bd9Sstevel@tonic-gate * dirent's d_ino is always correct value for mounted_on_fileid. 37047c478bd9Sstevel@tonic-gate * mntdfid_set is set once here, but mounted_on_fileid is 37057c478bd9Sstevel@tonic-gate * set in main dirent processing loop for each dirent. 37067c478bd9Sstevel@tonic-gate * The mntdfid_set is a simple optimization that lets the 37077c478bd9Sstevel@tonic-gate * server attr code avoid work when caller is readdir. 37087c478bd9Sstevel@tonic-gate */ 37097c478bd9Sstevel@tonic-gate sargp->mntdfid_set = TRUE; 37107c478bd9Sstevel@tonic-gate 37117c478bd9Sstevel@tonic-gate /* 37127c478bd9Sstevel@tonic-gate * Lookup entry only if client asked for any of the following: 37137c478bd9Sstevel@tonic-gate * a) vattr attrs 37147c478bd9Sstevel@tonic-gate * b) vfs attrs 37157c478bd9Sstevel@tonic-gate * c) attrs w/per-object scope requested (change, filehandle, etc) 37167c478bd9Sstevel@tonic-gate * other than mounted_on_fileid (which we can take from dirent) 37177c478bd9Sstevel@tonic-gate */ 37187c478bd9Sstevel@tonic-gate objbits = attrs ? attrs & NFS4_VP_ATTR_MASK : 0; 37197c478bd9Sstevel@tonic-gate 37207c478bd9Sstevel@tonic-gate if (va_mask || sargp->sbp || (objbits & ~FATTR4_MOUNTED_ON_FILEID_MASK)) 37217c478bd9Sstevel@tonic-gate *need_to_lookup = TRUE; 37227c478bd9Sstevel@tonic-gate else 37237c478bd9Sstevel@tonic-gate *need_to_lookup = FALSE; 37247c478bd9Sstevel@tonic-gate 37257c478bd9Sstevel@tonic-gate if (sargp->sbp == NULL) 37267c478bd9Sstevel@tonic-gate return (NFS4_OK); 37277c478bd9Sstevel@tonic-gate 37287c478bd9Sstevel@tonic-gate /* 37297c478bd9Sstevel@tonic-gate * If filesystem attrs are requested, get them now from the 37307c478bd9Sstevel@tonic-gate * directory vp, as most entries will have same filesystem. The only 37317c478bd9Sstevel@tonic-gate * exception are mounted over entries but we handle 37327c478bd9Sstevel@tonic-gate * those as we go (XXX mounted over detection not yet implemented). 37337c478bd9Sstevel@tonic-gate */ 37347c478bd9Sstevel@tonic-gate sargp->vap->va_mask = 0; /* to avoid VOP_GETATTR */ 37357c478bd9Sstevel@tonic-gate status = bitmap4_get_sysattrs(sargp); 37367c478bd9Sstevel@tonic-gate sargp->vap->va_mask = va_mask; 37377c478bd9Sstevel@tonic-gate 37387c478bd9Sstevel@tonic-gate if ((status != NFS4_OK) && sargp->rdattr_error_req) { 37397c478bd9Sstevel@tonic-gate /* 37407c478bd9Sstevel@tonic-gate * Failed to get filesystem attributes. 37417c478bd9Sstevel@tonic-gate * Return a rdattr_error for each entry, but don't fail. 37427c478bd9Sstevel@tonic-gate * However, don't get any obj-dependent attrs. 37437c478bd9Sstevel@tonic-gate */ 37447c478bd9Sstevel@tonic-gate sargp->rdattr_error = status; /* for rdattr_error */ 37457c478bd9Sstevel@tonic-gate *need_to_lookup = FALSE; 37467c478bd9Sstevel@tonic-gate /* 37477c478bd9Sstevel@tonic-gate * At least get fileid for regular readdir output 37487c478bd9Sstevel@tonic-gate */ 37497c478bd9Sstevel@tonic-gate sargp->vap->va_mask &= AT_NODEID; 37507c478bd9Sstevel@tonic-gate status = NFS4_OK; 37517c478bd9Sstevel@tonic-gate } 37527c478bd9Sstevel@tonic-gate 37537c478bd9Sstevel@tonic-gate return (status); 37547c478bd9Sstevel@tonic-gate } 37557c478bd9Sstevel@tonic-gate 37567c478bd9Sstevel@tonic-gate /* 37577c478bd9Sstevel@tonic-gate * readlink: args: CURRENT_FH. 37587c478bd9Sstevel@tonic-gate * res: status. If success - CURRENT_FH unchanged, return linktext. 37597c478bd9Sstevel@tonic-gate */ 37607c478bd9Sstevel@tonic-gate 37617c478bd9Sstevel@tonic-gate /* ARGSUSED */ 37627c478bd9Sstevel@tonic-gate static void 37637c478bd9Sstevel@tonic-gate rfs4_op_readlink(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 37647c478bd9Sstevel@tonic-gate struct compound_state *cs) 37657c478bd9Sstevel@tonic-gate { 37667c478bd9Sstevel@tonic-gate READLINK4res *resp = &resop->nfs_resop4_u.opreadlink; 37677c478bd9Sstevel@tonic-gate int error; 37687c478bd9Sstevel@tonic-gate vnode_t *vp; 37697c478bd9Sstevel@tonic-gate struct iovec iov; 37707c478bd9Sstevel@tonic-gate struct vattr va; 37717c478bd9Sstevel@tonic-gate struct uio uio; 37727c478bd9Sstevel@tonic-gate char *data; 3773b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 3774b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 37752f172c55SRobert Thurlow int is_referral; 37767c478bd9Sstevel@tonic-gate 3777f3b585ceSsamf DTRACE_NFSV4_1(op__readlink__start, struct compound_state *, cs); 3778f3b585ceSsamf 37797c478bd9Sstevel@tonic-gate /* CURRENT_FH: directory */ 37807c478bd9Sstevel@tonic-gate vp = cs->vp; 37817c478bd9Sstevel@tonic-gate if (vp == NULL) { 37827c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 3783f3b585ceSsamf goto out; 37847c478bd9Sstevel@tonic-gate } 37857c478bd9Sstevel@tonic-gate 37867c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 37877c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 3788f3b585ceSsamf goto out; 37897c478bd9Sstevel@tonic-gate } 37907c478bd9Sstevel@tonic-gate 37912f172c55SRobert Thurlow /* Is it a referral? */ 37922f172c55SRobert Thurlow if (vn_is_nfs_reparse(vp, cs->cr) && client_is_downrev(req)) { 37932f172c55SRobert Thurlow 37942f172c55SRobert Thurlow is_referral = 1; 37952f172c55SRobert Thurlow 37962f172c55SRobert Thurlow } else { 37972f172c55SRobert Thurlow 37982f172c55SRobert Thurlow is_referral = 0; 37992f172c55SRobert Thurlow 38007c478bd9Sstevel@tonic-gate if (vp->v_type == VDIR) { 38017c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ISDIR; 3802f3b585ceSsamf goto out; 38037c478bd9Sstevel@tonic-gate } 38047c478bd9Sstevel@tonic-gate 38057c478bd9Sstevel@tonic-gate if (vp->v_type != VLNK) { 38067c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 3807f3b585ceSsamf goto out; 38087c478bd9Sstevel@tonic-gate } 38097c478bd9Sstevel@tonic-gate 38102f172c55SRobert Thurlow } 38112f172c55SRobert Thurlow 38127c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE; 3813da6c28aaSamw error = VOP_GETATTR(vp, &va, 0, cs->cr, NULL); 38147c478bd9Sstevel@tonic-gate if (error) { 38157c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 3816f3b585ceSsamf goto out; 38177c478bd9Sstevel@tonic-gate } 38187c478bd9Sstevel@tonic-gate 38197c478bd9Sstevel@tonic-gate if (MANDLOCK(vp, va.va_mode)) { 38207c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 3821f3b585ceSsamf goto out; 38227c478bd9Sstevel@tonic-gate } 38237c478bd9Sstevel@tonic-gate 38247c478bd9Sstevel@tonic-gate data = kmem_alloc(MAXPATHLEN + 1, KM_SLEEP); 38257c478bd9Sstevel@tonic-gate 38262f172c55SRobert Thurlow if (is_referral) { 38272f172c55SRobert Thurlow char *s; 38282f172c55SRobert Thurlow size_t strsz; 38292f172c55SRobert Thurlow 38302f172c55SRobert Thurlow /* Get an artificial symlink based on a referral */ 38312f172c55SRobert Thurlow s = build_symlink(vp, cs->cr, &strsz); 38322f172c55SRobert Thurlow global_svstat_ptr[4][NFS_REFERLINKS].value.ui64++; 38332f172c55SRobert Thurlow DTRACE_PROBE2(nfs4serv__func__referral__reflink, 38342f172c55SRobert Thurlow vnode_t *, vp, char *, s); 38352f172c55SRobert Thurlow if (s == NULL) 38362f172c55SRobert Thurlow error = EINVAL; 38372f172c55SRobert Thurlow else { 38382f172c55SRobert Thurlow error = 0; 38392f172c55SRobert Thurlow (void) strlcpy(data, s, MAXPATHLEN + 1); 38402f172c55SRobert Thurlow kmem_free(s, strsz); 38412f172c55SRobert Thurlow } 38422f172c55SRobert Thurlow 38432f172c55SRobert Thurlow } else { 38442f172c55SRobert Thurlow 38457c478bd9Sstevel@tonic-gate iov.iov_base = data; 38467c478bd9Sstevel@tonic-gate iov.iov_len = MAXPATHLEN; 38477c478bd9Sstevel@tonic-gate uio.uio_iov = &iov; 38487c478bd9Sstevel@tonic-gate uio.uio_iovcnt = 1; 38497c478bd9Sstevel@tonic-gate uio.uio_segflg = UIO_SYSSPACE; 38507c478bd9Sstevel@tonic-gate uio.uio_extflg = UIO_COPY_CACHED; 38517c478bd9Sstevel@tonic-gate uio.uio_loffset = 0; 38527c478bd9Sstevel@tonic-gate uio.uio_resid = MAXPATHLEN; 38537c478bd9Sstevel@tonic-gate 3854da6c28aaSamw error = VOP_READLINK(vp, &uio, cs->cr, NULL); 38557c478bd9Sstevel@tonic-gate 38562f172c55SRobert Thurlow if (!error) 38572f172c55SRobert Thurlow *(data + MAXPATHLEN - uio.uio_resid) = '\0'; 38582f172c55SRobert Thurlow } 38592f172c55SRobert Thurlow 38607c478bd9Sstevel@tonic-gate if (error) { 38617c478bd9Sstevel@tonic-gate kmem_free((caddr_t)data, (uint_t)MAXPATHLEN + 1); 38627c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 3863f3b585ceSsamf goto out; 38647c478bd9Sstevel@tonic-gate } 38657c478bd9Sstevel@tonic-gate 3866b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 3867b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, data, NFSCMD_CONV_OUTBOUND, 3868b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 3869b89a8333Snatalie li - Sun Microsystems - Irvine United States 3870b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 3871b89a8333Snatalie li - Sun Microsystems - Irvine United States /* 3872b89a8333Snatalie li - Sun Microsystems - Irvine United States * Even though the conversion failed, we return 3873b89a8333Snatalie li - Sun Microsystems - Irvine United States * something. We just don't translate it. 3874b89a8333Snatalie li - Sun Microsystems - Irvine United States */ 3875b89a8333Snatalie li - Sun Microsystems - Irvine United States name = data; 3876b89a8333Snatalie li - Sun Microsystems - Irvine United States } 3877b89a8333Snatalie li - Sun Microsystems - Irvine United States 38787c478bd9Sstevel@tonic-gate /* 38797c478bd9Sstevel@tonic-gate * treat link name as data 38807c478bd9Sstevel@tonic-gate */ 3881b89a8333Snatalie li - Sun Microsystems - Irvine United States (void) str_to_utf8(name, &resp->link); 38827c478bd9Sstevel@tonic-gate 3883b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != data) 3884b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 38857c478bd9Sstevel@tonic-gate kmem_free((caddr_t)data, (uint_t)MAXPATHLEN + 1); 38867c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 3887f3b585ceSsamf 3888f3b585ceSsamf out: 3889f3b585ceSsamf DTRACE_NFSV4_2(op__readlink__done, struct compound_state *, cs, 3890f3b585ceSsamf READLINK4res *, resp); 38917c478bd9Sstevel@tonic-gate } 38927c478bd9Sstevel@tonic-gate 38937c478bd9Sstevel@tonic-gate static void 38947c478bd9Sstevel@tonic-gate rfs4_op_readlink_free(nfs_resop4 *resop) 38957c478bd9Sstevel@tonic-gate { 38967c478bd9Sstevel@tonic-gate READLINK4res *resp = &resop->nfs_resop4_u.opreadlink; 38977c478bd9Sstevel@tonic-gate utf8string *symlink = &resp->link; 38987c478bd9Sstevel@tonic-gate 38997c478bd9Sstevel@tonic-gate if (symlink->utf8string_val) { 39007c478bd9Sstevel@tonic-gate UTF8STRING_FREE(*symlink) 39017c478bd9Sstevel@tonic-gate } 39027c478bd9Sstevel@tonic-gate } 39037c478bd9Sstevel@tonic-gate 39047c478bd9Sstevel@tonic-gate /* 39057c478bd9Sstevel@tonic-gate * release_lockowner: 39067c478bd9Sstevel@tonic-gate * Release any state associated with the supplied 39077c478bd9Sstevel@tonic-gate * lockowner. Note if any lo_state is holding locks we will not 39087c478bd9Sstevel@tonic-gate * rele that lo_state and thus the lockowner will not be destroyed. 39097c478bd9Sstevel@tonic-gate * A client using lock after the lock owner stateid has been released 39107c478bd9Sstevel@tonic-gate * will suffer the consequence of NFS4ERR_BAD_STATEID and would have 39117c478bd9Sstevel@tonic-gate * to reissue the lock with new_lock_owner set to TRUE. 39127c478bd9Sstevel@tonic-gate * args: lock_owner 39137c478bd9Sstevel@tonic-gate * res: status 39147c478bd9Sstevel@tonic-gate */ 39157c478bd9Sstevel@tonic-gate /* ARGSUSED */ 39167c478bd9Sstevel@tonic-gate static void 39177c478bd9Sstevel@tonic-gate rfs4_op_release_lockowner(nfs_argop4 *argop, nfs_resop4 *resop, 39187c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 39197c478bd9Sstevel@tonic-gate { 39207c478bd9Sstevel@tonic-gate RELEASE_LOCKOWNER4args *ap = &argop->nfs_argop4_u.oprelease_lockowner; 39217c478bd9Sstevel@tonic-gate RELEASE_LOCKOWNER4res *resp = &resop->nfs_resop4_u.oprelease_lockowner; 39227c478bd9Sstevel@tonic-gate rfs4_lockowner_t *lo; 3923d216dff5SRobert Mastors rfs4_openowner_t *oo; 39247c478bd9Sstevel@tonic-gate rfs4_state_t *sp; 39257c478bd9Sstevel@tonic-gate rfs4_lo_state_t *lsp; 39267c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 39277c478bd9Sstevel@tonic-gate bool_t create = FALSE; 39287c478bd9Sstevel@tonic-gate locklist_t *llist; 39297c478bd9Sstevel@tonic-gate sysid_t sysid; 39307c478bd9Sstevel@tonic-gate 3931f3b585ceSsamf DTRACE_NFSV4_2(op__release__lockowner__start, struct compound_state *, 3932f3b585ceSsamf cs, RELEASE_LOCKOWNER4args *, ap); 3933f3b585ceSsamf 39347c478bd9Sstevel@tonic-gate /* Make sure there is a clientid around for this request */ 39357c478bd9Sstevel@tonic-gate cp = rfs4_findclient_by_id(ap->lock_owner.clientid, FALSE); 39367c478bd9Sstevel@tonic-gate 39377c478bd9Sstevel@tonic-gate if (cp == NULL) { 39387c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 39397c478bd9Sstevel@tonic-gate rfs4_check_clientid(&ap->lock_owner.clientid, 0); 3940f3b585ceSsamf goto out; 39417c478bd9Sstevel@tonic-gate } 39427c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 39437c478bd9Sstevel@tonic-gate 39447c478bd9Sstevel@tonic-gate lo = rfs4_findlockowner(&ap->lock_owner, &create); 39457c478bd9Sstevel@tonic-gate if (lo == NULL) { 39467c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 3947f3b585ceSsamf goto out; 39487c478bd9Sstevel@tonic-gate } 3949d216dff5SRobert Mastors ASSERT(lo->rl_client != NULL); 39507c478bd9Sstevel@tonic-gate 39517c478bd9Sstevel@tonic-gate /* 39527c478bd9Sstevel@tonic-gate * Check for EXPIRED client. If so will reap state with in a lease 39537c478bd9Sstevel@tonic-gate * period or on next set_clientid_confirm step 39547c478bd9Sstevel@tonic-gate */ 3955d216dff5SRobert Mastors if (rfs4_lease_expired(lo->rl_client)) { 39567c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 39577c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 3958f3b585ceSsamf goto out; 39597c478bd9Sstevel@tonic-gate } 39607c478bd9Sstevel@tonic-gate 39617c478bd9Sstevel@tonic-gate /* 39627c478bd9Sstevel@tonic-gate * If no sysid has been assigned, then no locks exist; just return. 39637c478bd9Sstevel@tonic-gate */ 3964d216dff5SRobert Mastors rfs4_dbe_lock(lo->rl_client->rc_dbe); 3965d216dff5SRobert Mastors if (lo->rl_client->rc_sysidt == LM_NOSYSID) { 39667c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 3967d216dff5SRobert Mastors rfs4_dbe_unlock(lo->rl_client->rc_dbe); 3968f3b585ceSsamf goto out; 39697c478bd9Sstevel@tonic-gate } 39707c478bd9Sstevel@tonic-gate 3971d216dff5SRobert Mastors sysid = lo->rl_client->rc_sysidt; 3972d216dff5SRobert Mastors rfs4_dbe_unlock(lo->rl_client->rc_dbe); 39737c478bd9Sstevel@tonic-gate 39747c478bd9Sstevel@tonic-gate /* 39757c478bd9Sstevel@tonic-gate * Mark the lockowner invalid. 39767c478bd9Sstevel@tonic-gate */ 3977d216dff5SRobert Mastors rfs4_dbe_hide(lo->rl_dbe); 39787c478bd9Sstevel@tonic-gate 39797c478bd9Sstevel@tonic-gate /* 39807c478bd9Sstevel@tonic-gate * sysid-pid pair should now not be used since the lockowner is 39817c478bd9Sstevel@tonic-gate * invalid. If the client were to instantiate the lockowner again 39827c478bd9Sstevel@tonic-gate * it would be assigned a new pid. Thus we can get the list of 39837c478bd9Sstevel@tonic-gate * current locks. 39847c478bd9Sstevel@tonic-gate */ 39857c478bd9Sstevel@tonic-gate 3986d216dff5SRobert Mastors llist = flk_get_active_locks(sysid, lo->rl_pid); 39877c478bd9Sstevel@tonic-gate /* If we are still holding locks fail */ 39887c478bd9Sstevel@tonic-gate if (llist != NULL) { 39897c478bd9Sstevel@tonic-gate 39907c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_LOCKS_HELD; 39917c478bd9Sstevel@tonic-gate 39927c478bd9Sstevel@tonic-gate flk_free_locklist(llist); 39937c478bd9Sstevel@tonic-gate /* 39947c478bd9Sstevel@tonic-gate * We need to unhide the lockowner so the client can 39957c478bd9Sstevel@tonic-gate * try it again. The bad thing here is if the client 39967c478bd9Sstevel@tonic-gate * has a logic error that took it here in the first place 39977c478bd9Sstevel@tonic-gate * he probably has lost accounting of the locks that it 39987c478bd9Sstevel@tonic-gate * is holding. So we may have dangling state until the 39997c478bd9Sstevel@tonic-gate * open owner state is reaped via close. One scenario 40007c478bd9Sstevel@tonic-gate * that could possibly occur is that the client has 40017c478bd9Sstevel@tonic-gate * sent the unlock request(s) in separate threads 40027c478bd9Sstevel@tonic-gate * and has not waited for the replies before sending the 40037c478bd9Sstevel@tonic-gate * RELEASE_LOCKOWNER request. Presumably, it would expect 40047c478bd9Sstevel@tonic-gate * and deal appropriately with NFS4ERR_LOCKS_HELD, by 40057c478bd9Sstevel@tonic-gate * reissuing the request. 40067c478bd9Sstevel@tonic-gate */ 4007d216dff5SRobert Mastors rfs4_dbe_unhide(lo->rl_dbe); 40087c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 4009f3b585ceSsamf goto out; 40107c478bd9Sstevel@tonic-gate } 40117c478bd9Sstevel@tonic-gate 40127c478bd9Sstevel@tonic-gate /* 40137c478bd9Sstevel@tonic-gate * For the corresponding client we need to check each open 40147c478bd9Sstevel@tonic-gate * owner for any opens that have lockowner state associated 40157c478bd9Sstevel@tonic-gate * with this lockowner. 40167c478bd9Sstevel@tonic-gate */ 40177c478bd9Sstevel@tonic-gate 4018d216dff5SRobert Mastors rfs4_dbe_lock(lo->rl_client->rc_dbe); 4019d216dff5SRobert Mastors for (oo = list_head(&lo->rl_client->rc_openownerlist); oo != NULL; 4020d216dff5SRobert Mastors oo = list_next(&lo->rl_client->rc_openownerlist, oo)) { 40217c478bd9Sstevel@tonic-gate 4022d216dff5SRobert Mastors rfs4_dbe_lock(oo->ro_dbe); 4023d216dff5SRobert Mastors for (sp = list_head(&oo->ro_statelist); sp != NULL; 4024d216dff5SRobert Mastors sp = list_next(&oo->ro_statelist, sp)) { 40257c478bd9Sstevel@tonic-gate 4026d216dff5SRobert Mastors rfs4_dbe_lock(sp->rs_dbe); 4027d216dff5SRobert Mastors for (lsp = list_head(&sp->rs_lostatelist); 4028d216dff5SRobert Mastors lsp != NULL; 4029d216dff5SRobert Mastors lsp = list_next(&sp->rs_lostatelist, lsp)) { 4030d216dff5SRobert Mastors if (lsp->rls_locker == lo) { 4031d216dff5SRobert Mastors rfs4_dbe_lock(lsp->rls_dbe); 4032d216dff5SRobert Mastors rfs4_dbe_invalidate(lsp->rls_dbe); 4033d216dff5SRobert Mastors rfs4_dbe_unlock(lsp->rls_dbe); 40347c478bd9Sstevel@tonic-gate } 40357c478bd9Sstevel@tonic-gate } 4036d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 40377c478bd9Sstevel@tonic-gate } 4038d216dff5SRobert Mastors rfs4_dbe_unlock(oo->ro_dbe); 40397c478bd9Sstevel@tonic-gate } 4040d216dff5SRobert Mastors rfs4_dbe_unlock(lo->rl_client->rc_dbe); 40417c478bd9Sstevel@tonic-gate 40427c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 40437c478bd9Sstevel@tonic-gate 40447c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 4045f3b585ceSsamf 4046f3b585ceSsamf out: 4047f3b585ceSsamf DTRACE_NFSV4_2(op__release__lockowner__done, struct compound_state *, 4048f3b585ceSsamf cs, RELEASE_LOCKOWNER4res *, resp); 40497c478bd9Sstevel@tonic-gate } 40507c478bd9Sstevel@tonic-gate 40517c478bd9Sstevel@tonic-gate /* 40527c478bd9Sstevel@tonic-gate * short utility function to lookup a file and recall the delegation 40537c478bd9Sstevel@tonic-gate */ 40547c478bd9Sstevel@tonic-gate static rfs4_file_t * 40557c478bd9Sstevel@tonic-gate rfs4_lookup_and_findfile(vnode_t *dvp, char *nm, vnode_t **vpp, 40567c478bd9Sstevel@tonic-gate int *lkup_error, cred_t *cr) 40577c478bd9Sstevel@tonic-gate { 40587c478bd9Sstevel@tonic-gate vnode_t *vp; 40597c478bd9Sstevel@tonic-gate rfs4_file_t *fp = NULL; 40607c478bd9Sstevel@tonic-gate bool_t fcreate = FALSE; 40617c478bd9Sstevel@tonic-gate int error; 40627c478bd9Sstevel@tonic-gate 40637c478bd9Sstevel@tonic-gate if (vpp) 40647c478bd9Sstevel@tonic-gate *vpp = NULL; 40657c478bd9Sstevel@tonic-gate 4066da6c28aaSamw if ((error = VOP_LOOKUP(dvp, nm, &vp, NULL, 0, NULL, cr, NULL, NULL, 4067da6c28aaSamw NULL)) == 0) { 40687c478bd9Sstevel@tonic-gate if (vp->v_type == VREG) 40697c478bd9Sstevel@tonic-gate fp = rfs4_findfile(vp, NULL, &fcreate); 40707c478bd9Sstevel@tonic-gate if (vpp) 40717c478bd9Sstevel@tonic-gate *vpp = vp; 40727c478bd9Sstevel@tonic-gate else 40737c478bd9Sstevel@tonic-gate VN_RELE(vp); 40747c478bd9Sstevel@tonic-gate } 40757c478bd9Sstevel@tonic-gate 40767c478bd9Sstevel@tonic-gate if (lkup_error) 40777c478bd9Sstevel@tonic-gate *lkup_error = error; 40787c478bd9Sstevel@tonic-gate 40797c478bd9Sstevel@tonic-gate return (fp); 40807c478bd9Sstevel@tonic-gate } 40817c478bd9Sstevel@tonic-gate 40827c478bd9Sstevel@tonic-gate /* 40837c478bd9Sstevel@tonic-gate * remove: args: CURRENT_FH: directory; name. 40847c478bd9Sstevel@tonic-gate * res: status. If success - CURRENT_FH unchanged, return change_info 40857c478bd9Sstevel@tonic-gate * for directory. 40867c478bd9Sstevel@tonic-gate */ 40877c478bd9Sstevel@tonic-gate /* ARGSUSED */ 40887c478bd9Sstevel@tonic-gate static void 40897c478bd9Sstevel@tonic-gate rfs4_op_remove(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 40907c478bd9Sstevel@tonic-gate struct compound_state *cs) 40917c478bd9Sstevel@tonic-gate { 40927c478bd9Sstevel@tonic-gate REMOVE4args *args = &argop->nfs_argop4_u.opremove; 40937c478bd9Sstevel@tonic-gate REMOVE4res *resp = &resop->nfs_resop4_u.opremove; 40947c478bd9Sstevel@tonic-gate int error; 40957c478bd9Sstevel@tonic-gate vnode_t *dvp, *vp; 40967c478bd9Sstevel@tonic-gate struct vattr bdva, idva, adva; 40977c478bd9Sstevel@tonic-gate char *nm; 40987c478bd9Sstevel@tonic-gate uint_t len; 40997c478bd9Sstevel@tonic-gate rfs4_file_t *fp; 41007c478bd9Sstevel@tonic-gate int in_crit = 0; 410145916cd2Sjpk bslabel_t *clabel; 4102b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 4103b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 41047c478bd9Sstevel@tonic-gate 4105f3b585ceSsamf DTRACE_NFSV4_2(op__remove__start, struct compound_state *, cs, 4106f3b585ceSsamf REMOVE4args *, args); 4107f3b585ceSsamf 41087c478bd9Sstevel@tonic-gate /* CURRENT_FH: directory */ 41097c478bd9Sstevel@tonic-gate dvp = cs->vp; 41107c478bd9Sstevel@tonic-gate if (dvp == NULL) { 41117c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 4112f3b585ceSsamf goto out; 41137c478bd9Sstevel@tonic-gate } 41147c478bd9Sstevel@tonic-gate 41157c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 41167c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 4117f3b585ceSsamf goto out; 41187c478bd9Sstevel@tonic-gate } 41197c478bd9Sstevel@tonic-gate 41207c478bd9Sstevel@tonic-gate /* 41217c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 41227c478bd9Sstevel@tonic-gate * Do not allow to remove anything in this directory. 41237c478bd9Sstevel@tonic-gate */ 41247c478bd9Sstevel@tonic-gate if (vn_ismntpt(dvp)) { 41257c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 4126f3b585ceSsamf goto out; 41277c478bd9Sstevel@tonic-gate } 41287c478bd9Sstevel@tonic-gate 41297c478bd9Sstevel@tonic-gate if (dvp->v_type != VDIR) { 41307c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 4131f3b585ceSsamf goto out; 41327c478bd9Sstevel@tonic-gate } 41337c478bd9Sstevel@tonic-gate 41347c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->target)) { 41357c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 4136f3b585ceSsamf goto out; 41377c478bd9Sstevel@tonic-gate } 41387c478bd9Sstevel@tonic-gate 41397c478bd9Sstevel@tonic-gate /* 41407c478bd9Sstevel@tonic-gate * Lookup the file so that we can check if it's a directory 41417c478bd9Sstevel@tonic-gate */ 41427c478bd9Sstevel@tonic-gate nm = utf8_to_fn(&args->target, &len, NULL); 41437c478bd9Sstevel@tonic-gate if (nm == NULL) { 41447c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 4145f3b585ceSsamf goto out; 41467c478bd9Sstevel@tonic-gate } 41477c478bd9Sstevel@tonic-gate 41487c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 41497c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 41507c478bd9Sstevel@tonic-gate kmem_free(nm, len); 4151f3b585ceSsamf goto out; 41527c478bd9Sstevel@tonic-gate } 41537c478bd9Sstevel@tonic-gate 41547c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 41557c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 41567c478bd9Sstevel@tonic-gate kmem_free(nm, len); 4157f3b585ceSsamf goto out; 41587c478bd9Sstevel@tonic-gate } 41597c478bd9Sstevel@tonic-gate 4160b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 4161b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 4162b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 4163b89a8333Snatalie li - Sun Microsystems - Irvine United States 4164b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 4165b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 4166b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, len); 4167b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 4168b89a8333Snatalie li - Sun Microsystems - Irvine United States } 4169b89a8333Snatalie li - Sun Microsystems - Irvine United States 41707c478bd9Sstevel@tonic-gate /* 41717c478bd9Sstevel@tonic-gate * Lookup the file to determine type and while we are see if 41727c478bd9Sstevel@tonic-gate * there is a file struct around and check for delegation. 41737c478bd9Sstevel@tonic-gate * We don't need to acquire va_seq before this lookup, if 41747c478bd9Sstevel@tonic-gate * it causes an update, cinfo.before will not match, which will 41757c478bd9Sstevel@tonic-gate * trigger a cache flush even if atomic is TRUE. 41767c478bd9Sstevel@tonic-gate */ 4177b89a8333Snatalie li - Sun Microsystems - Irvine United States if (fp = rfs4_lookup_and_findfile(dvp, name, &vp, &error, cs->cr)) { 41787c478bd9Sstevel@tonic-gate if (rfs4_check_delegated_byfp(FWRITE, fp, TRUE, TRUE, TRUE, 41797c478bd9Sstevel@tonic-gate NULL)) { 41807c478bd9Sstevel@tonic-gate VN_RELE(vp); 41817c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 41827c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_DELAY; 4183b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 4184b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 41857c478bd9Sstevel@tonic-gate kmem_free(nm, len); 4186f3b585ceSsamf goto out; 41877c478bd9Sstevel@tonic-gate } 41887c478bd9Sstevel@tonic-gate } 41897c478bd9Sstevel@tonic-gate 41907c478bd9Sstevel@tonic-gate /* Didn't find anything to remove */ 41917c478bd9Sstevel@tonic-gate if (vp == NULL) { 41927c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = error; 4193b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 4194b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 41957c478bd9Sstevel@tonic-gate kmem_free(nm, len); 4196f3b585ceSsamf goto out; 41977c478bd9Sstevel@tonic-gate } 41987c478bd9Sstevel@tonic-gate 41997c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 42007c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 42017c478bd9Sstevel@tonic-gate in_crit = 1; 4202da6c28aaSamw if (nbl_conflict(vp, NBL_REMOVE, 0, 0, 0, NULL)) { 42037c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_FILE_OPEN; 4204b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 4205b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 42067c478bd9Sstevel@tonic-gate kmem_free(nm, len); 42077c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 42087c478bd9Sstevel@tonic-gate VN_RELE(vp); 42097c478bd9Sstevel@tonic-gate if (fp) { 42107c478bd9Sstevel@tonic-gate rfs4_clear_dont_grant(fp); 42117c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 42127c478bd9Sstevel@tonic-gate } 4213f3b585ceSsamf goto out; 42147c478bd9Sstevel@tonic-gate } 42157c478bd9Sstevel@tonic-gate } 42167c478bd9Sstevel@tonic-gate 421745916cd2Sjpk /* check label before allowing removal */ 421845916cd2Sjpk if (is_system_labeled()) { 421945916cd2Sjpk ASSERT(req->rq_label != NULL); 422045916cd2Sjpk clabel = req->rq_label; 422145916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__opremove__clabel, char *, 422245916cd2Sjpk "got client label from request(1)", 422345916cd2Sjpk struct svc_req *, req); 422445916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 4225bd6f1640SJarrett Lu if (!do_rfs_label_check(clabel, vp, EQUALITY_CHECK, 4226bd6f1640SJarrett Lu cs->exi)) { 422745916cd2Sjpk *cs->statusp = resp->status = NFS4ERR_ACCESS; 4228b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 4229b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 423045916cd2Sjpk kmem_free(nm, len); 423145916cd2Sjpk if (in_crit) 423245916cd2Sjpk nbl_end_crit(vp); 423345916cd2Sjpk VN_RELE(vp); 423445916cd2Sjpk if (fp) { 423545916cd2Sjpk rfs4_clear_dont_grant(fp); 423645916cd2Sjpk rfs4_file_rele(fp); 423745916cd2Sjpk } 4238f3b585ceSsamf goto out; 423945916cd2Sjpk } 424045916cd2Sjpk } 424145916cd2Sjpk } 424245916cd2Sjpk 42437c478bd9Sstevel@tonic-gate /* Get dir "before" change value */ 42447c478bd9Sstevel@tonic-gate bdva.va_mask = AT_CTIME|AT_SEQ; 4245da6c28aaSamw error = VOP_GETATTR(dvp, &bdva, 0, cs->cr, NULL); 42467c478bd9Sstevel@tonic-gate if (error) { 42477c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 4248b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 4249b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 42507c478bd9Sstevel@tonic-gate kmem_free(nm, len); 4251a08f57bcSJames Wahlig if (in_crit) 4252a08f57bcSJames Wahlig nbl_end_crit(vp); 4253a08f57bcSJames Wahlig VN_RELE(vp); 4254a08f57bcSJames Wahlig if (fp) { 4255a08f57bcSJames Wahlig rfs4_clear_dont_grant(fp); 4256a08f57bcSJames Wahlig rfs4_file_rele(fp); 4257a08f57bcSJames Wahlig } 4258f3b585ceSsamf goto out; 42597c478bd9Sstevel@tonic-gate } 42607c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.before, bdva.va_ctime) 42617c478bd9Sstevel@tonic-gate 42627c478bd9Sstevel@tonic-gate /* Actually do the REMOVE operation */ 42637c478bd9Sstevel@tonic-gate if (vp->v_type == VDIR) { 42647c478bd9Sstevel@tonic-gate /* 42657c478bd9Sstevel@tonic-gate * Can't remove a directory that has a mounted-on filesystem. 42667c478bd9Sstevel@tonic-gate */ 42677c478bd9Sstevel@tonic-gate if (vn_ismntpt(vp)) { 42687c478bd9Sstevel@tonic-gate error = EACCES; 42697c478bd9Sstevel@tonic-gate } else { 42707c478bd9Sstevel@tonic-gate /* 42717c478bd9Sstevel@tonic-gate * System V defines rmdir to return EEXIST, 427259fb210bSJan Kryl * not ENOTEMPTY, if the directory is not 42737c478bd9Sstevel@tonic-gate * empty. A System V NFS server needs to map 42747c478bd9Sstevel@tonic-gate * NFS4ERR_EXIST to NFS4ERR_NOTEMPTY to 42757c478bd9Sstevel@tonic-gate * transmit over the wire. 42767c478bd9Sstevel@tonic-gate */ 427759fb210bSJan Kryl if ((error = VOP_RMDIR(dvp, name, rootdir, cs->cr, 4278da6c28aaSamw NULL, 0)) == EEXIST) 42797c478bd9Sstevel@tonic-gate error = ENOTEMPTY; 42807c478bd9Sstevel@tonic-gate } 42817c478bd9Sstevel@tonic-gate } else { 4282b89a8333Snatalie li - Sun Microsystems - Irvine United States if ((error = VOP_REMOVE(dvp, name, cs->cr, NULL, 0)) == 0 && 42837c478bd9Sstevel@tonic-gate fp != NULL) { 42847c478bd9Sstevel@tonic-gate struct vattr va; 4285418d27f3Sshepler vnode_t *tvp; 42867c478bd9Sstevel@tonic-gate 4287d216dff5SRobert Mastors rfs4_dbe_lock(fp->rf_dbe); 4288d216dff5SRobert Mastors tvp = fp->rf_vp; 4289418d27f3Sshepler if (tvp) 4290418d27f3Sshepler VN_HOLD(tvp); 4291d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 4292418d27f3Sshepler 4293418d27f3Sshepler if (tvp) { 42947c478bd9Sstevel@tonic-gate /* 42957c478bd9Sstevel@tonic-gate * This is va_seq safe because we are not 42967c478bd9Sstevel@tonic-gate * manipulating dvp. 42977c478bd9Sstevel@tonic-gate */ 42987c478bd9Sstevel@tonic-gate va.va_mask = AT_NLINK; 4299da6c28aaSamw if (!VOP_GETATTR(tvp, &va, 0, cs->cr, NULL) && 43007c478bd9Sstevel@tonic-gate va.va_nlink == 0) { 4301418d27f3Sshepler /* Remove state on file remove */ 43027c478bd9Sstevel@tonic-gate if (in_crit) { 43037c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 43047c478bd9Sstevel@tonic-gate in_crit = 0; 43057c478bd9Sstevel@tonic-gate } 43067c478bd9Sstevel@tonic-gate rfs4_close_all_state(fp); 43077c478bd9Sstevel@tonic-gate } 4308418d27f3Sshepler VN_RELE(tvp); 4309418d27f3Sshepler } 43107c478bd9Sstevel@tonic-gate } 43117c478bd9Sstevel@tonic-gate } 43127c478bd9Sstevel@tonic-gate 43137c478bd9Sstevel@tonic-gate if (in_crit) 43147c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 43157c478bd9Sstevel@tonic-gate VN_RELE(vp); 43167c478bd9Sstevel@tonic-gate 43177c478bd9Sstevel@tonic-gate if (fp) { 43187c478bd9Sstevel@tonic-gate rfs4_clear_dont_grant(fp); 43197c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 43207c478bd9Sstevel@tonic-gate } 4321b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 4322b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 43237c478bd9Sstevel@tonic-gate kmem_free(nm, len); 43247c478bd9Sstevel@tonic-gate 43257c478bd9Sstevel@tonic-gate if (error) { 43267c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 4327f3b585ceSsamf goto out; 43287c478bd9Sstevel@tonic-gate } 43297c478bd9Sstevel@tonic-gate 43307c478bd9Sstevel@tonic-gate /* 43317c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, set to zero 43327c478bd9Sstevel@tonic-gate */ 43337c478bd9Sstevel@tonic-gate idva.va_mask = AT_SEQ; 4334da6c28aaSamw if (VOP_GETATTR(dvp, &idva, 0, cs->cr, NULL)) 43357c478bd9Sstevel@tonic-gate idva.va_seq = 0; 43367c478bd9Sstevel@tonic-gate 43377c478bd9Sstevel@tonic-gate /* 43387c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 43397c478bd9Sstevel@tonic-gate */ 4340da6c28aaSamw (void) VOP_FSYNC(dvp, 0, cs->cr, NULL); 43417c478bd9Sstevel@tonic-gate 43427c478bd9Sstevel@tonic-gate /* 43437c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 43447c478bd9Sstevel@tonic-gate * before value. 43457c478bd9Sstevel@tonic-gate */ 43467c478bd9Sstevel@tonic-gate adva.va_mask = AT_CTIME|AT_SEQ; 4347da6c28aaSamw if (VOP_GETATTR(dvp, &adva, 0, cs->cr, NULL)) { 43487c478bd9Sstevel@tonic-gate adva.va_ctime = bdva.va_ctime; 43497c478bd9Sstevel@tonic-gate adva.va_seq = 0; 43507c478bd9Sstevel@tonic-gate } 43517c478bd9Sstevel@tonic-gate 43527c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.after, adva.va_ctime) 43537c478bd9Sstevel@tonic-gate 43547c478bd9Sstevel@tonic-gate /* 43557c478bd9Sstevel@tonic-gate * The cinfo.atomic = TRUE only if we have 43567c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 43577c478bd9Sstevel@tonic-gate * during the VOP_REMOVE/RMDIR and it didn't change during 43587c478bd9Sstevel@tonic-gate * the VOP_FSYNC. 43597c478bd9Sstevel@tonic-gate */ 43607c478bd9Sstevel@tonic-gate if (bdva.va_seq && idva.va_seq && adva.va_seq && 43611b300de9Sjwahlig idva.va_seq == (bdva.va_seq + 1) && idva.va_seq == adva.va_seq) 43627c478bd9Sstevel@tonic-gate resp->cinfo.atomic = TRUE; 43637c478bd9Sstevel@tonic-gate else 43647c478bd9Sstevel@tonic-gate resp->cinfo.atomic = FALSE; 43657c478bd9Sstevel@tonic-gate 43667c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 4367f3b585ceSsamf 4368f3b585ceSsamf out: 4369f3b585ceSsamf DTRACE_NFSV4_2(op__remove__done, struct compound_state *, cs, 4370f3b585ceSsamf REMOVE4res *, resp); 43717c478bd9Sstevel@tonic-gate } 43727c478bd9Sstevel@tonic-gate 43737c478bd9Sstevel@tonic-gate /* 43747c478bd9Sstevel@tonic-gate * rename: args: SAVED_FH: from directory, CURRENT_FH: target directory, 43757c478bd9Sstevel@tonic-gate * oldname and newname. 43767c478bd9Sstevel@tonic-gate * res: status. If success - CURRENT_FH unchanged, return change_info 43777c478bd9Sstevel@tonic-gate * for both from and target directories. 43787c478bd9Sstevel@tonic-gate */ 43797c478bd9Sstevel@tonic-gate /* ARGSUSED */ 43807c478bd9Sstevel@tonic-gate static void 43817c478bd9Sstevel@tonic-gate rfs4_op_rename(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 43827c478bd9Sstevel@tonic-gate struct compound_state *cs) 43837c478bd9Sstevel@tonic-gate { 43847c478bd9Sstevel@tonic-gate RENAME4args *args = &argop->nfs_argop4_u.oprename; 43857c478bd9Sstevel@tonic-gate RENAME4res *resp = &resop->nfs_resop4_u.oprename; 43867c478bd9Sstevel@tonic-gate int error; 43877c478bd9Sstevel@tonic-gate vnode_t *odvp; 43887c478bd9Sstevel@tonic-gate vnode_t *ndvp; 43897c478bd9Sstevel@tonic-gate vnode_t *srcvp, *targvp; 43907c478bd9Sstevel@tonic-gate struct vattr obdva, oidva, oadva; 43917c478bd9Sstevel@tonic-gate struct vattr nbdva, nidva, nadva; 43927c478bd9Sstevel@tonic-gate char *onm, *nnm; 43937c478bd9Sstevel@tonic-gate uint_t olen, nlen; 43947c478bd9Sstevel@tonic-gate rfs4_file_t *fp, *sfp; 43957c478bd9Sstevel@tonic-gate int in_crit_src, in_crit_targ; 43967c478bd9Sstevel@tonic-gate int fp_rele_grant_hold, sfp_rele_grant_hold; 439745916cd2Sjpk bslabel_t *clabel; 4398b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 4399b89a8333Snatalie li - Sun Microsystems - Irvine United States char *converted_onm = NULL; 4400b89a8333Snatalie li - Sun Microsystems - Irvine United States char *converted_nnm = NULL; 44017c478bd9Sstevel@tonic-gate 4402f3b585ceSsamf DTRACE_NFSV4_2(op__rename__start, struct compound_state *, cs, 4403f3b585ceSsamf RENAME4args *, args); 4404f3b585ceSsamf 44057c478bd9Sstevel@tonic-gate fp = sfp = NULL; 44067c478bd9Sstevel@tonic-gate srcvp = targvp = NULL; 44077c478bd9Sstevel@tonic-gate in_crit_src = in_crit_targ = 0; 44087c478bd9Sstevel@tonic-gate fp_rele_grant_hold = sfp_rele_grant_hold = 0; 44097c478bd9Sstevel@tonic-gate 44107c478bd9Sstevel@tonic-gate /* CURRENT_FH: target directory */ 44117c478bd9Sstevel@tonic-gate ndvp = cs->vp; 44127c478bd9Sstevel@tonic-gate if (ndvp == NULL) { 44137c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 4414f3b585ceSsamf goto out; 44157c478bd9Sstevel@tonic-gate } 44167c478bd9Sstevel@tonic-gate 44177c478bd9Sstevel@tonic-gate /* SAVED_FH: from directory */ 44187c478bd9Sstevel@tonic-gate odvp = cs->saved_vp; 44197c478bd9Sstevel@tonic-gate if (odvp == NULL) { 44207c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 4421f3b585ceSsamf goto out; 44227c478bd9Sstevel@tonic-gate } 44237c478bd9Sstevel@tonic-gate 44247c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 44257c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 4426f3b585ceSsamf goto out; 44277c478bd9Sstevel@tonic-gate } 44287c478bd9Sstevel@tonic-gate 44297c478bd9Sstevel@tonic-gate /* 44307c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 44317c478bd9Sstevel@tonic-gate * do not allow to rename objects in this directory. 44327c478bd9Sstevel@tonic-gate */ 44337c478bd9Sstevel@tonic-gate if (vn_ismntpt(odvp)) { 44347c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 4435f3b585ceSsamf goto out; 44367c478bd9Sstevel@tonic-gate } 44377c478bd9Sstevel@tonic-gate 44387c478bd9Sstevel@tonic-gate /* 44397c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 44407c478bd9Sstevel@tonic-gate * do not allow to rename to this directory. 44417c478bd9Sstevel@tonic-gate */ 44427c478bd9Sstevel@tonic-gate if (vn_ismntpt(ndvp)) { 44437c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 4444f3b585ceSsamf goto out; 44457c478bd9Sstevel@tonic-gate } 44467c478bd9Sstevel@tonic-gate 44477c478bd9Sstevel@tonic-gate if (odvp->v_type != VDIR || ndvp->v_type != VDIR) { 44487c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 4449f3b585ceSsamf goto out; 44507c478bd9Sstevel@tonic-gate } 44517c478bd9Sstevel@tonic-gate 44527c478bd9Sstevel@tonic-gate if (cs->saved_exi != cs->exi) { 44537c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_XDEV; 4454f3b585ceSsamf goto out; 44557c478bd9Sstevel@tonic-gate } 44567c478bd9Sstevel@tonic-gate 44577c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->oldname)) { 44587c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 4459f3b585ceSsamf goto out; 44607c478bd9Sstevel@tonic-gate } 44617c478bd9Sstevel@tonic-gate 44627c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(&args->newname)) { 44637c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 4464f3b585ceSsamf goto out; 44657c478bd9Sstevel@tonic-gate } 44667c478bd9Sstevel@tonic-gate 44677c478bd9Sstevel@tonic-gate onm = utf8_to_fn(&args->oldname, &olen, NULL); 44687c478bd9Sstevel@tonic-gate if (onm == NULL) { 44697c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 4470f3b585ceSsamf goto out; 44717c478bd9Sstevel@tonic-gate } 4472b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 4473b89a8333Snatalie li - Sun Microsystems - Irvine United States nlen = MAXPATHLEN + 1; 4474b89a8333Snatalie li - Sun Microsystems - Irvine United States converted_onm = nfscmd_convname(ca, cs->exi, onm, NFSCMD_CONV_INBOUND, 4475b89a8333Snatalie li - Sun Microsystems - Irvine United States nlen); 44767c478bd9Sstevel@tonic-gate 4477b89a8333Snatalie li - Sun Microsystems - Irvine United States if (converted_onm == NULL) { 44787c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 44797c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 4480f3b585ceSsamf goto out; 44817c478bd9Sstevel@tonic-gate } 44827c478bd9Sstevel@tonic-gate 4483b89a8333Snatalie li - Sun Microsystems - Irvine United States nnm = utf8_to_fn(&args->newname, &nlen, NULL); 4484b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nnm == NULL) { 4485b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 4486b89a8333Snatalie li - Sun Microsystems - Irvine United States if (onm != converted_onm) 4487b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 4488b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(onm, olen); 4489b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 4490b89a8333Snatalie li - Sun Microsystems - Irvine United States } 4491b89a8333Snatalie li - Sun Microsystems - Irvine United States converted_nnm = nfscmd_convname(ca, cs->exi, nnm, NFSCMD_CONV_INBOUND, 4492b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 4493b89a8333Snatalie li - Sun Microsystems - Irvine United States 4494b89a8333Snatalie li - Sun Microsystems - Irvine United States if (converted_nnm == NULL) { 4495b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 4496b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nnm, nlen); 4497b89a8333Snatalie li - Sun Microsystems - Irvine United States nnm = NULL; 4498b89a8333Snatalie li - Sun Microsystems - Irvine United States if (onm != converted_onm) 4499b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 4500b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(onm, olen); 4501b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 4502b89a8333Snatalie li - Sun Microsystems - Irvine United States } 4503b89a8333Snatalie li - Sun Microsystems - Irvine United States 4504b89a8333Snatalie li - Sun Microsystems - Irvine United States 45057c478bd9Sstevel@tonic-gate if (olen > MAXNAMELEN || nlen > MAXNAMELEN) { 45067c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 45077c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 45087c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 4509f3b585ceSsamf goto out; 45107c478bd9Sstevel@tonic-gate } 45117c478bd9Sstevel@tonic-gate 45127c478bd9Sstevel@tonic-gate 45137c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 45147c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 4515b89a8333Snatalie li - Sun Microsystems - Irvine United States if (onm != converted_onm) 4516b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 45177c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 4518b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nnm != converted_nnm) 4519b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_nnm, MAXPATHLEN + 1); 45207c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 4521f3b585ceSsamf goto out; 45227c478bd9Sstevel@tonic-gate } 45237c478bd9Sstevel@tonic-gate 452445916cd2Sjpk /* check label of the target dir */ 452545916cd2Sjpk if (is_system_labeled()) { 452645916cd2Sjpk ASSERT(req->rq_label != NULL); 452745916cd2Sjpk clabel = req->rq_label; 452845916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__oprename__clabel, char *, 452945916cd2Sjpk "got client label from request(1)", 453045916cd2Sjpk struct svc_req *, req); 453145916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 453203986916Sjarrett if (!do_rfs_label_check(clabel, ndvp, 4533bd6f1640SJarrett Lu EQUALITY_CHECK, cs->exi)) { 453445916cd2Sjpk *cs->statusp = resp->status = NFS4ERR_ACCESS; 4535b89a8333Snatalie li - Sun Microsystems - Irvine United States goto err_out; 453645916cd2Sjpk } 453745916cd2Sjpk } 453845916cd2Sjpk } 453945916cd2Sjpk 45407c478bd9Sstevel@tonic-gate /* 45417c478bd9Sstevel@tonic-gate * Is the source a file and have a delegation? 45427c478bd9Sstevel@tonic-gate * We don't need to acquire va_seq before these lookups, if 45437c478bd9Sstevel@tonic-gate * it causes an update, cinfo.before will not match, which will 45447c478bd9Sstevel@tonic-gate * trigger a cache flush even if atomic is TRUE. 45457c478bd9Sstevel@tonic-gate */ 4546b89a8333Snatalie li - Sun Microsystems - Irvine United States if (sfp = rfs4_lookup_and_findfile(odvp, converted_onm, &srcvp, 4547b89a8333Snatalie li - Sun Microsystems - Irvine United States &error, cs->cr)) { 45487c478bd9Sstevel@tonic-gate if (rfs4_check_delegated_byfp(FWRITE, sfp, TRUE, TRUE, TRUE, 45497c478bd9Sstevel@tonic-gate NULL)) { 45507c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_DELAY; 45517c478bd9Sstevel@tonic-gate goto err_out; 45527c478bd9Sstevel@tonic-gate } 45537c478bd9Sstevel@tonic-gate } 45547c478bd9Sstevel@tonic-gate 45557c478bd9Sstevel@tonic-gate if (srcvp == NULL) { 45567c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 4557b89a8333Snatalie li - Sun Microsystems - Irvine United States if (onm != converted_onm) 4558b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 45597c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 4560b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nnm != converted_nnm) 4561bffeae97SMarcel Telka kmem_free(converted_nnm, MAXPATHLEN + 1); 45627c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 4563f3b585ceSsamf goto out; 45647c478bd9Sstevel@tonic-gate } 45657c478bd9Sstevel@tonic-gate 45667c478bd9Sstevel@tonic-gate sfp_rele_grant_hold = 1; 45677c478bd9Sstevel@tonic-gate 45687c478bd9Sstevel@tonic-gate /* Does the destination exist and a file and have a delegation? */ 4569b89a8333Snatalie li - Sun Microsystems - Irvine United States if (fp = rfs4_lookup_and_findfile(ndvp, converted_nnm, &targvp, 4570b89a8333Snatalie li - Sun Microsystems - Irvine United States NULL, cs->cr)) { 45717c478bd9Sstevel@tonic-gate if (rfs4_check_delegated_byfp(FWRITE, fp, TRUE, TRUE, TRUE, 45727c478bd9Sstevel@tonic-gate NULL)) { 45737c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_DELAY; 45747c478bd9Sstevel@tonic-gate goto err_out; 45757c478bd9Sstevel@tonic-gate } 45767c478bd9Sstevel@tonic-gate } 45777c478bd9Sstevel@tonic-gate fp_rele_grant_hold = 1; 45787c478bd9Sstevel@tonic-gate 45797c478bd9Sstevel@tonic-gate 45807c478bd9Sstevel@tonic-gate /* Check for NBMAND lock on both source and target */ 45817c478bd9Sstevel@tonic-gate if (nbl_need_check(srcvp)) { 45827c478bd9Sstevel@tonic-gate nbl_start_crit(srcvp, RW_READER); 45837c478bd9Sstevel@tonic-gate in_crit_src = 1; 4584da6c28aaSamw if (nbl_conflict(srcvp, NBL_RENAME, 0, 0, 0, NULL)) { 45857c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_FILE_OPEN; 45867c478bd9Sstevel@tonic-gate goto err_out; 45877c478bd9Sstevel@tonic-gate } 45887c478bd9Sstevel@tonic-gate } 45897c478bd9Sstevel@tonic-gate 45907c478bd9Sstevel@tonic-gate if (targvp && nbl_need_check(targvp)) { 45917c478bd9Sstevel@tonic-gate nbl_start_crit(targvp, RW_READER); 45927c478bd9Sstevel@tonic-gate in_crit_targ = 1; 4593da6c28aaSamw if (nbl_conflict(targvp, NBL_REMOVE, 0, 0, 0, NULL)) { 45947c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_FILE_OPEN; 45957c478bd9Sstevel@tonic-gate goto err_out; 45967c478bd9Sstevel@tonic-gate } 45977c478bd9Sstevel@tonic-gate } 45987c478bd9Sstevel@tonic-gate 45997c478bd9Sstevel@tonic-gate /* Get source "before" change value */ 46007c478bd9Sstevel@tonic-gate obdva.va_mask = AT_CTIME|AT_SEQ; 4601da6c28aaSamw error = VOP_GETATTR(odvp, &obdva, 0, cs->cr, NULL); 46027c478bd9Sstevel@tonic-gate if (!error) { 46037c478bd9Sstevel@tonic-gate nbdva.va_mask = AT_CTIME|AT_SEQ; 4604da6c28aaSamw error = VOP_GETATTR(ndvp, &nbdva, 0, cs->cr, NULL); 46057c478bd9Sstevel@tonic-gate } 46067c478bd9Sstevel@tonic-gate if (error) { 46077c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 46087c478bd9Sstevel@tonic-gate goto err_out; 46097c478bd9Sstevel@tonic-gate } 46107c478bd9Sstevel@tonic-gate 46117c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->source_cinfo.before, obdva.va_ctime) 46127c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->target_cinfo.before, nbdva.va_ctime) 46137c478bd9Sstevel@tonic-gate 4614b89a8333Snatalie li - Sun Microsystems - Irvine United States if ((error = VOP_RENAME(odvp, converted_onm, ndvp, converted_nnm, 4615b89a8333Snatalie li - Sun Microsystems - Irvine United States cs->cr, NULL, 0)) == 0 && fp != NULL) { 46167c478bd9Sstevel@tonic-gate struct vattr va; 4617418d27f3Sshepler vnode_t *tvp; 46187c478bd9Sstevel@tonic-gate 4619d216dff5SRobert Mastors rfs4_dbe_lock(fp->rf_dbe); 4620d216dff5SRobert Mastors tvp = fp->rf_vp; 4621418d27f3Sshepler if (tvp) 4622418d27f3Sshepler VN_HOLD(tvp); 4623d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 4624418d27f3Sshepler 4625418d27f3Sshepler if (tvp) { 46267c478bd9Sstevel@tonic-gate va.va_mask = AT_NLINK; 4627da6c28aaSamw if (!VOP_GETATTR(tvp, &va, 0, cs->cr, NULL) && 46287c478bd9Sstevel@tonic-gate va.va_nlink == 0) { 46297c478bd9Sstevel@tonic-gate /* The file is gone and so should the state */ 46307c478bd9Sstevel@tonic-gate if (in_crit_targ) { 46317c478bd9Sstevel@tonic-gate nbl_end_crit(targvp); 46327c478bd9Sstevel@tonic-gate in_crit_targ = 0; 46337c478bd9Sstevel@tonic-gate } 46347c478bd9Sstevel@tonic-gate rfs4_close_all_state(fp); 46357c478bd9Sstevel@tonic-gate } 4636418d27f3Sshepler VN_RELE(tvp); 4637418d27f3Sshepler } 46387c478bd9Sstevel@tonic-gate } 463951ece835Seschrock if (error == 0) 464051ece835Seschrock vn_renamepath(ndvp, srcvp, nnm, nlen - 1); 46417c478bd9Sstevel@tonic-gate 46427c478bd9Sstevel@tonic-gate if (in_crit_src) 46437c478bd9Sstevel@tonic-gate nbl_end_crit(srcvp); 46447c478bd9Sstevel@tonic-gate if (srcvp) 46457c478bd9Sstevel@tonic-gate VN_RELE(srcvp); 46467c478bd9Sstevel@tonic-gate if (in_crit_targ) 46477c478bd9Sstevel@tonic-gate nbl_end_crit(targvp); 46487c478bd9Sstevel@tonic-gate if (targvp) 46497c478bd9Sstevel@tonic-gate VN_RELE(targvp); 46507c478bd9Sstevel@tonic-gate 46517c478bd9Sstevel@tonic-gate if (sfp) { 46527c478bd9Sstevel@tonic-gate rfs4_clear_dont_grant(sfp); 46537c478bd9Sstevel@tonic-gate rfs4_file_rele(sfp); 46547c478bd9Sstevel@tonic-gate } 46557c478bd9Sstevel@tonic-gate if (fp) { 46567c478bd9Sstevel@tonic-gate rfs4_clear_dont_grant(fp); 46577c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 46587c478bd9Sstevel@tonic-gate } 46597c478bd9Sstevel@tonic-gate 4660b89a8333Snatalie li - Sun Microsystems - Irvine United States if (converted_onm != onm) 4661b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 46627c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 4663b89a8333Snatalie li - Sun Microsystems - Irvine United States if (converted_nnm != nnm) 4664b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_nnm, MAXPATHLEN + 1); 46657c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 46667c478bd9Sstevel@tonic-gate 46677c478bd9Sstevel@tonic-gate /* 46687c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, set to zero 46697c478bd9Sstevel@tonic-gate */ 46707c478bd9Sstevel@tonic-gate oidva.va_mask = AT_SEQ; 4671da6c28aaSamw if (VOP_GETATTR(odvp, &oidva, 0, cs->cr, NULL)) 46727c478bd9Sstevel@tonic-gate oidva.va_seq = 0; 46737c478bd9Sstevel@tonic-gate 46747c478bd9Sstevel@tonic-gate nidva.va_mask = AT_SEQ; 4675da6c28aaSamw if (VOP_GETATTR(ndvp, &nidva, 0, cs->cr, NULL)) 46767c478bd9Sstevel@tonic-gate nidva.va_seq = 0; 46777c478bd9Sstevel@tonic-gate 46787c478bd9Sstevel@tonic-gate /* 46797c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 46807c478bd9Sstevel@tonic-gate */ 4681da6c28aaSamw (void) VOP_FSYNC(odvp, 0, cs->cr, NULL); 4682da6c28aaSamw (void) VOP_FSYNC(ndvp, 0, cs->cr, NULL); 46837c478bd9Sstevel@tonic-gate 46847c478bd9Sstevel@tonic-gate if (error) { 46857c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 4686f3b585ceSsamf goto out; 46877c478bd9Sstevel@tonic-gate } 46887c478bd9Sstevel@tonic-gate 46897c478bd9Sstevel@tonic-gate /* 46907c478bd9Sstevel@tonic-gate * Get "after" change values, if it fails, simply return the 46917c478bd9Sstevel@tonic-gate * before value. 46927c478bd9Sstevel@tonic-gate */ 46937c478bd9Sstevel@tonic-gate oadva.va_mask = AT_CTIME|AT_SEQ; 4694da6c28aaSamw if (VOP_GETATTR(odvp, &oadva, 0, cs->cr, NULL)) { 46957c478bd9Sstevel@tonic-gate oadva.va_ctime = obdva.va_ctime; 46967c478bd9Sstevel@tonic-gate oadva.va_seq = 0; 46977c478bd9Sstevel@tonic-gate } 46987c478bd9Sstevel@tonic-gate 46997c478bd9Sstevel@tonic-gate nadva.va_mask = AT_CTIME|AT_SEQ; 4700da6c28aaSamw if (VOP_GETATTR(odvp, &nadva, 0, cs->cr, NULL)) { 47017c478bd9Sstevel@tonic-gate nadva.va_ctime = nbdva.va_ctime; 47027c478bd9Sstevel@tonic-gate nadva.va_seq = 0; 47037c478bd9Sstevel@tonic-gate } 47047c478bd9Sstevel@tonic-gate 47057c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->source_cinfo.after, oadva.va_ctime) 47067c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->target_cinfo.after, nadva.va_ctime) 47077c478bd9Sstevel@tonic-gate 47087c478bd9Sstevel@tonic-gate /* 47097c478bd9Sstevel@tonic-gate * The cinfo.atomic = TRUE only if we have 47107c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 47117c478bd9Sstevel@tonic-gate * during the VOP_RENAME and it didn't change during the VOP_FSYNC. 47127c478bd9Sstevel@tonic-gate */ 47137c478bd9Sstevel@tonic-gate if (obdva.va_seq && oidva.va_seq && oadva.va_seq && 47141b300de9Sjwahlig oidva.va_seq == (obdva.va_seq + 1) && oidva.va_seq == oadva.va_seq) 47157c478bd9Sstevel@tonic-gate resp->source_cinfo.atomic = TRUE; 47167c478bd9Sstevel@tonic-gate else 47177c478bd9Sstevel@tonic-gate resp->source_cinfo.atomic = FALSE; 47187c478bd9Sstevel@tonic-gate 47197c478bd9Sstevel@tonic-gate if (nbdva.va_seq && nidva.va_seq && nadva.va_seq && 47201b300de9Sjwahlig nidva.va_seq == (nbdva.va_seq + 1) && nidva.va_seq == nadva.va_seq) 47217c478bd9Sstevel@tonic-gate resp->target_cinfo.atomic = TRUE; 47227c478bd9Sstevel@tonic-gate else 47237c478bd9Sstevel@tonic-gate resp->target_cinfo.atomic = FALSE; 47247c478bd9Sstevel@tonic-gate 47257c478bd9Sstevel@tonic-gate #ifdef VOLATILE_FH_TEST 47267c478bd9Sstevel@tonic-gate { 47277c478bd9Sstevel@tonic-gate extern void add_volrnm_fh(struct exportinfo *, vnode_t *); 47287c478bd9Sstevel@tonic-gate 47297c478bd9Sstevel@tonic-gate /* 47307c478bd9Sstevel@tonic-gate * Add the renamed file handle to the volatile rename list 47317c478bd9Sstevel@tonic-gate */ 47327c478bd9Sstevel@tonic-gate if (cs->exi->exi_export.ex_flags & EX_VOLRNM) { 47337c478bd9Sstevel@tonic-gate /* file handles may expire on rename */ 47347c478bd9Sstevel@tonic-gate vnode_t *vp; 47357c478bd9Sstevel@tonic-gate 47367c478bd9Sstevel@tonic-gate nnm = utf8_to_fn(&args->newname, &nlen, NULL); 47377c478bd9Sstevel@tonic-gate /* 47387c478bd9Sstevel@tonic-gate * Already know that nnm will be a valid string 47397c478bd9Sstevel@tonic-gate */ 4740da6c28aaSamw error = VOP_LOOKUP(ndvp, nnm, &vp, NULL, 0, NULL, cs->cr, 4741da6c28aaSamw NULL, NULL, NULL); 47427c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 47437c478bd9Sstevel@tonic-gate if (!error) { 47447c478bd9Sstevel@tonic-gate add_volrnm_fh(cs->exi, vp); 47457c478bd9Sstevel@tonic-gate VN_RELE(vp); 47467c478bd9Sstevel@tonic-gate } 47477c478bd9Sstevel@tonic-gate } 47487c478bd9Sstevel@tonic-gate } 47497c478bd9Sstevel@tonic-gate #endif /* VOLATILE_FH_TEST */ 47507c478bd9Sstevel@tonic-gate 47517c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 4752f3b585ceSsamf out: 4753f3b585ceSsamf DTRACE_NFSV4_2(op__rename__done, struct compound_state *, cs, 4754f3b585ceSsamf RENAME4res *, resp); 47557c478bd9Sstevel@tonic-gate return; 47567c478bd9Sstevel@tonic-gate 47577c478bd9Sstevel@tonic-gate err_out: 4758b89a8333Snatalie li - Sun Microsystems - Irvine United States if (onm != converted_onm) 4759b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 4760b89a8333Snatalie li - Sun Microsystems - Irvine United States if (onm != NULL) 47617c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 4762b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nnm != converted_nnm) 4763b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_nnm, MAXPATHLEN + 1); 4764b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nnm != NULL) 47657c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 47667c478bd9Sstevel@tonic-gate 47677c478bd9Sstevel@tonic-gate if (in_crit_src) nbl_end_crit(srcvp); 47687c478bd9Sstevel@tonic-gate if (in_crit_targ) nbl_end_crit(targvp); 47697c478bd9Sstevel@tonic-gate if (targvp) VN_RELE(targvp); 47707c478bd9Sstevel@tonic-gate if (srcvp) VN_RELE(srcvp); 47717c478bd9Sstevel@tonic-gate if (sfp) { 47727c478bd9Sstevel@tonic-gate if (sfp_rele_grant_hold) rfs4_clear_dont_grant(sfp); 47737c478bd9Sstevel@tonic-gate rfs4_file_rele(sfp); 47747c478bd9Sstevel@tonic-gate } 47757c478bd9Sstevel@tonic-gate if (fp) { 47767c478bd9Sstevel@tonic-gate if (fp_rele_grant_hold) rfs4_clear_dont_grant(fp); 47777c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 47787c478bd9Sstevel@tonic-gate } 4779f3b585ceSsamf 4780f3b585ceSsamf DTRACE_NFSV4_2(op__rename__done, struct compound_state *, cs, 4781f3b585ceSsamf RENAME4res *, resp); 47827c478bd9Sstevel@tonic-gate } 47837c478bd9Sstevel@tonic-gate 47847c478bd9Sstevel@tonic-gate /* ARGSUSED */ 47857c478bd9Sstevel@tonic-gate static void 47867c478bd9Sstevel@tonic-gate rfs4_op_renew(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 47877c478bd9Sstevel@tonic-gate struct compound_state *cs) 47887c478bd9Sstevel@tonic-gate { 47897c478bd9Sstevel@tonic-gate RENEW4args *args = &argop->nfs_argop4_u.oprenew; 47907c478bd9Sstevel@tonic-gate RENEW4res *resp = &resop->nfs_resop4_u.oprenew; 47917c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 47927c478bd9Sstevel@tonic-gate 4793f3b585ceSsamf DTRACE_NFSV4_2(op__renew__start, struct compound_state *, cs, 4794f3b585ceSsamf RENEW4args *, args); 4795f3b585ceSsamf 47967c478bd9Sstevel@tonic-gate if ((cp = rfs4_findclient_by_id(args->clientid, FALSE)) == NULL) { 47977c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 47987c478bd9Sstevel@tonic-gate rfs4_check_clientid(&args->clientid, 0); 4799f3b585ceSsamf goto out; 48007c478bd9Sstevel@tonic-gate } 48017c478bd9Sstevel@tonic-gate 48027c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 48037c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 48047c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 4805f3b585ceSsamf goto out; 48067c478bd9Sstevel@tonic-gate } 48077c478bd9Sstevel@tonic-gate 48087c478bd9Sstevel@tonic-gate rfs4_update_lease(cp); 48097c478bd9Sstevel@tonic-gate 4810d216dff5SRobert Mastors mutex_enter(cp->rc_cbinfo.cb_lock); 4811d216dff5SRobert Mastors if (cp->rc_cbinfo.cb_notified_of_cb_path_down == FALSE) { 4812d216dff5SRobert Mastors cp->rc_cbinfo.cb_notified_of_cb_path_down = TRUE; 48137c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_CB_PATH_DOWN; 48147c478bd9Sstevel@tonic-gate } else { 48157c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 48167c478bd9Sstevel@tonic-gate } 4817d216dff5SRobert Mastors mutex_exit(cp->rc_cbinfo.cb_lock); 48187c478bd9Sstevel@tonic-gate 48197c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 48207c478bd9Sstevel@tonic-gate 4821f3b585ceSsamf out: 4822f3b585ceSsamf DTRACE_NFSV4_2(op__renew__done, struct compound_state *, cs, 4823f3b585ceSsamf RENEW4res *, resp); 48247c478bd9Sstevel@tonic-gate } 48257c478bd9Sstevel@tonic-gate 48267c478bd9Sstevel@tonic-gate /* ARGSUSED */ 48277c478bd9Sstevel@tonic-gate static void 48287c478bd9Sstevel@tonic-gate rfs4_op_restorefh(nfs_argop4 *args, nfs_resop4 *resop, struct svc_req *req, 48297c478bd9Sstevel@tonic-gate struct compound_state *cs) 48307c478bd9Sstevel@tonic-gate { 48317c478bd9Sstevel@tonic-gate RESTOREFH4res *resp = &resop->nfs_resop4_u.oprestorefh; 48327c478bd9Sstevel@tonic-gate 4833f3b585ceSsamf DTRACE_NFSV4_1(op__restorefh__start, struct compound_state *, cs); 4834f3b585ceSsamf 48357c478bd9Sstevel@tonic-gate /* No need to check cs->access - we are not accessing any object */ 48367c478bd9Sstevel@tonic-gate if ((cs->saved_vp == NULL) || (cs->saved_fh.nfs_fh4_val == NULL)) { 48377c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_RESTOREFH; 4838f3b585ceSsamf goto out; 48397c478bd9Sstevel@tonic-gate } 48407c478bd9Sstevel@tonic-gate if (cs->vp != NULL) { 48417c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 48427c478bd9Sstevel@tonic-gate } 48437c478bd9Sstevel@tonic-gate cs->vp = cs->saved_vp; 48447c478bd9Sstevel@tonic-gate cs->saved_vp = NULL; 48457c478bd9Sstevel@tonic-gate cs->exi = cs->saved_exi; 48467c478bd9Sstevel@tonic-gate nfs_fh4_copy(&cs->saved_fh, &cs->fh); 48477c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 48487c478bd9Sstevel@tonic-gate cs->deleg = FALSE; 4849f3b585ceSsamf 4850f3b585ceSsamf out: 4851f3b585ceSsamf DTRACE_NFSV4_2(op__restorefh__done, struct compound_state *, cs, 4852f3b585ceSsamf RESTOREFH4res *, resp); 48537c478bd9Sstevel@tonic-gate } 48547c478bd9Sstevel@tonic-gate 48557c478bd9Sstevel@tonic-gate /* ARGSUSED */ 48567c478bd9Sstevel@tonic-gate static void 48577c478bd9Sstevel@tonic-gate rfs4_op_savefh(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 48587c478bd9Sstevel@tonic-gate struct compound_state *cs) 48597c478bd9Sstevel@tonic-gate { 48607c478bd9Sstevel@tonic-gate SAVEFH4res *resp = &resop->nfs_resop4_u.opsavefh; 48617c478bd9Sstevel@tonic-gate 4862f3b585ceSsamf DTRACE_NFSV4_1(op__savefh__start, struct compound_state *, cs); 4863f3b585ceSsamf 48647c478bd9Sstevel@tonic-gate /* No need to check cs->access - we are not accessing any object */ 48657c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 48667c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 4867f3b585ceSsamf goto out; 48687c478bd9Sstevel@tonic-gate } 48697c478bd9Sstevel@tonic-gate if (cs->saved_vp != NULL) { 48707c478bd9Sstevel@tonic-gate VN_RELE(cs->saved_vp); 48717c478bd9Sstevel@tonic-gate } 48727c478bd9Sstevel@tonic-gate cs->saved_vp = cs->vp; 48737c478bd9Sstevel@tonic-gate VN_HOLD(cs->saved_vp); 48747c478bd9Sstevel@tonic-gate cs->saved_exi = cs->exi; 48757c478bd9Sstevel@tonic-gate /* 48767c478bd9Sstevel@tonic-gate * since SAVEFH is fairly rare, don't alloc space for its fh 48777c478bd9Sstevel@tonic-gate * unless necessary. 48787c478bd9Sstevel@tonic-gate */ 48797c478bd9Sstevel@tonic-gate if (cs->saved_fh.nfs_fh4_val == NULL) { 48807c478bd9Sstevel@tonic-gate cs->saved_fh.nfs_fh4_val = kmem_alloc(NFS4_FHSIZE, KM_SLEEP); 48817c478bd9Sstevel@tonic-gate } 48827c478bd9Sstevel@tonic-gate nfs_fh4_copy(&cs->fh, &cs->saved_fh); 48837c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 4884f3b585ceSsamf 4885f3b585ceSsamf out: 4886f3b585ceSsamf DTRACE_NFSV4_2(op__savefh__done, struct compound_state *, cs, 4887f3b585ceSsamf SAVEFH4res *, resp); 48887c478bd9Sstevel@tonic-gate } 48897c478bd9Sstevel@tonic-gate 48907c478bd9Sstevel@tonic-gate /* 48917c478bd9Sstevel@tonic-gate * rfs4_verify_attr is called when nfsv4 Setattr failed, but we wish to 48927c478bd9Sstevel@tonic-gate * return the bitmap of attrs that were set successfully. It is also 48937c478bd9Sstevel@tonic-gate * called by Verify/Nverify to test the vattr/vfsstat attrs. It should 48947c478bd9Sstevel@tonic-gate * always be called only after rfs4_do_set_attrs(). 48957c478bd9Sstevel@tonic-gate * 48967c478bd9Sstevel@tonic-gate * Verify that the attributes are same as the expected ones. sargp->vap 48977c478bd9Sstevel@tonic-gate * and sargp->sbp contain the input attributes as translated from fattr4. 48987c478bd9Sstevel@tonic-gate * 48997c478bd9Sstevel@tonic-gate * This function verifies only the attrs that correspond to a vattr or 49007c478bd9Sstevel@tonic-gate * vfsstat struct. That is because of the extra step needed to get the 49017c478bd9Sstevel@tonic-gate * corresponding system structs. Other attributes have already been set or 49027c478bd9Sstevel@tonic-gate * verified by do_rfs4_set_attrs. 49037c478bd9Sstevel@tonic-gate * 49047c478bd9Sstevel@tonic-gate * Return 0 if all attrs match, -1 if some don't, error if error processing. 49057c478bd9Sstevel@tonic-gate */ 49067c478bd9Sstevel@tonic-gate static int 49077c478bd9Sstevel@tonic-gate rfs4_verify_attr(struct nfs4_svgetit_arg *sargp, 49087c478bd9Sstevel@tonic-gate bitmap4 *resp, struct nfs4_ntov_table *ntovp) 49097c478bd9Sstevel@tonic-gate { 49107c478bd9Sstevel@tonic-gate int error, ret_error = 0; 49117c478bd9Sstevel@tonic-gate int i, k; 49127c478bd9Sstevel@tonic-gate uint_t sva_mask = sargp->vap->va_mask; 49137c478bd9Sstevel@tonic-gate uint_t vbit; 49147c478bd9Sstevel@tonic-gate union nfs4_attr_u *na; 49157c478bd9Sstevel@tonic-gate uint8_t *amap; 49167c478bd9Sstevel@tonic-gate bool_t getsb = ntovp->vfsstat; 49177c478bd9Sstevel@tonic-gate 49187c478bd9Sstevel@tonic-gate if (sva_mask != 0) { 49197c478bd9Sstevel@tonic-gate /* 49207c478bd9Sstevel@tonic-gate * Okay to overwrite sargp->vap because we verify based 49217c478bd9Sstevel@tonic-gate * on the incoming values. 49227c478bd9Sstevel@tonic-gate */ 49237c478bd9Sstevel@tonic-gate ret_error = VOP_GETATTR(sargp->cs->vp, sargp->vap, 0, 4924da6c28aaSamw sargp->cs->cr, NULL); 49257c478bd9Sstevel@tonic-gate if (ret_error) { 49267c478bd9Sstevel@tonic-gate if (resp == NULL) 49277c478bd9Sstevel@tonic-gate return (ret_error); 49287c478bd9Sstevel@tonic-gate /* 49297c478bd9Sstevel@tonic-gate * Must return bitmap of successful attrs 49307c478bd9Sstevel@tonic-gate */ 49317c478bd9Sstevel@tonic-gate sva_mask = 0; /* to prevent checking vap later */ 49327c478bd9Sstevel@tonic-gate } else { 49337c478bd9Sstevel@tonic-gate /* 49347c478bd9Sstevel@tonic-gate * Some file systems clobber va_mask. it is probably 49357c478bd9Sstevel@tonic-gate * wrong of them to do so, nonethless we practice 49367c478bd9Sstevel@tonic-gate * defensive coding. 49377c478bd9Sstevel@tonic-gate * See bug id 4276830. 49387c478bd9Sstevel@tonic-gate */ 49397c478bd9Sstevel@tonic-gate sargp->vap->va_mask = sva_mask; 49407c478bd9Sstevel@tonic-gate } 49417c478bd9Sstevel@tonic-gate } 49427c478bd9Sstevel@tonic-gate 49437c478bd9Sstevel@tonic-gate if (getsb) { 49447c478bd9Sstevel@tonic-gate /* 49457c478bd9Sstevel@tonic-gate * Now get the superblock and loop on the bitmap, as there is 49467c478bd9Sstevel@tonic-gate * no simple way of translating from superblock to bitmap4. 49477c478bd9Sstevel@tonic-gate */ 49487c478bd9Sstevel@tonic-gate ret_error = VFS_STATVFS(sargp->cs->vp->v_vfsp, sargp->sbp); 49497c478bd9Sstevel@tonic-gate if (ret_error) { 49507c478bd9Sstevel@tonic-gate if (resp == NULL) 49517c478bd9Sstevel@tonic-gate goto errout; 49527c478bd9Sstevel@tonic-gate getsb = FALSE; 49537c478bd9Sstevel@tonic-gate } 49547c478bd9Sstevel@tonic-gate } 49557c478bd9Sstevel@tonic-gate 49567c478bd9Sstevel@tonic-gate /* 49577c478bd9Sstevel@tonic-gate * Now loop and verify each attribute which getattr returned 49587c478bd9Sstevel@tonic-gate * whether it's the same as the input. 49597c478bd9Sstevel@tonic-gate */ 49607c478bd9Sstevel@tonic-gate if (resp == NULL && !getsb && (sva_mask == 0)) 49617c478bd9Sstevel@tonic-gate goto errout; 49627c478bd9Sstevel@tonic-gate 49637c478bd9Sstevel@tonic-gate na = ntovp->na; 49647c478bd9Sstevel@tonic-gate amap = ntovp->amap; 49657c478bd9Sstevel@tonic-gate k = 0; 49667c478bd9Sstevel@tonic-gate for (i = 0; i < ntovp->attrcnt; i++, na++, amap++) { 49677c478bd9Sstevel@tonic-gate k = *amap; 49687c478bd9Sstevel@tonic-gate ASSERT(nfs4_ntov_map[k].nval == k); 49697c478bd9Sstevel@tonic-gate vbit = nfs4_ntov_map[k].vbit; 49707c478bd9Sstevel@tonic-gate 49717c478bd9Sstevel@tonic-gate /* 49727c478bd9Sstevel@tonic-gate * If vattr attribute but VOP_GETATTR failed, or it's 49737c478bd9Sstevel@tonic-gate * superblock attribute but VFS_STATVFS failed, skip 49747c478bd9Sstevel@tonic-gate */ 49757c478bd9Sstevel@tonic-gate if (vbit) { 49767c478bd9Sstevel@tonic-gate if ((vbit & sva_mask) == 0) 49777c478bd9Sstevel@tonic-gate continue; 49787c478bd9Sstevel@tonic-gate } else if (!(getsb && nfs4_ntov_map[k].vfsstat)) { 49797c478bd9Sstevel@tonic-gate continue; 49807c478bd9Sstevel@tonic-gate } 49811b300de9Sjwahlig error = (*nfs4_ntov_map[k].sv_getit)(NFS4ATTR_VERIT, sargp, na); 49827c478bd9Sstevel@tonic-gate if (resp != NULL) { 49837c478bd9Sstevel@tonic-gate if (error) 49847c478bd9Sstevel@tonic-gate ret_error = -1; /* not all match */ 49857c478bd9Sstevel@tonic-gate else /* update response bitmap */ 49867c478bd9Sstevel@tonic-gate *resp |= nfs4_ntov_map[k].fbit; 49877c478bd9Sstevel@tonic-gate continue; 49887c478bd9Sstevel@tonic-gate } 49897c478bd9Sstevel@tonic-gate if (error) { 49907c478bd9Sstevel@tonic-gate ret_error = -1; /* not all match */ 49917c478bd9Sstevel@tonic-gate break; 49927c478bd9Sstevel@tonic-gate } 49937c478bd9Sstevel@tonic-gate } 49947c478bd9Sstevel@tonic-gate errout: 49957c478bd9Sstevel@tonic-gate return (ret_error); 49967c478bd9Sstevel@tonic-gate } 49977c478bd9Sstevel@tonic-gate 49987c478bd9Sstevel@tonic-gate /* 49997c478bd9Sstevel@tonic-gate * Decode the attribute to be set/verified. If the attr requires a sys op 50007c478bd9Sstevel@tonic-gate * (VOP_GETATTR, VFS_VFSSTAT), and the request is to verify, then don't 50017c478bd9Sstevel@tonic-gate * call the sv_getit function for it, because the sys op hasn't yet been done. 50027c478bd9Sstevel@tonic-gate * Return 0 for success, error code if failed. 50037c478bd9Sstevel@tonic-gate * 50047c478bd9Sstevel@tonic-gate * Note: the decoded arg is not freed here but in nfs4_ntov_table_free. 50057c478bd9Sstevel@tonic-gate */ 50067c478bd9Sstevel@tonic-gate static int 50077c478bd9Sstevel@tonic-gate decode_fattr4_attr(nfs4_attr_cmd_t cmd, struct nfs4_svgetit_arg *sargp, 50087c478bd9Sstevel@tonic-gate int k, XDR *xdrp, bitmap4 *resp_bval, union nfs4_attr_u *nap) 50097c478bd9Sstevel@tonic-gate { 50107c478bd9Sstevel@tonic-gate int error = 0; 50117c478bd9Sstevel@tonic-gate bool_t set_later; 50127c478bd9Sstevel@tonic-gate 50137c478bd9Sstevel@tonic-gate sargp->vap->va_mask |= nfs4_ntov_map[k].vbit; 50147c478bd9Sstevel@tonic-gate 50157c478bd9Sstevel@tonic-gate if ((*nfs4_ntov_map[k].xfunc)(xdrp, nap)) { 50167c478bd9Sstevel@tonic-gate set_later = nfs4_ntov_map[k].vbit || nfs4_ntov_map[k].vfsstat; 50177c478bd9Sstevel@tonic-gate /* 50187c478bd9Sstevel@tonic-gate * don't verify yet if a vattr or sb dependent attr, 50197c478bd9Sstevel@tonic-gate * because we don't have their sys values yet. 50207c478bd9Sstevel@tonic-gate * Will be done later. 50217c478bd9Sstevel@tonic-gate */ 50227c478bd9Sstevel@tonic-gate if (! (set_later && (cmd == NFS4ATTR_VERIT))) { 50237c478bd9Sstevel@tonic-gate /* 50247c478bd9Sstevel@tonic-gate * ACLs are a special case, since setting the MODE 50257c478bd9Sstevel@tonic-gate * conflicts with setting the ACL. We delay setting 50267c478bd9Sstevel@tonic-gate * the ACL until all other attributes have been set. 50277c478bd9Sstevel@tonic-gate * The ACL gets set in do_rfs4_op_setattr(). 50287c478bd9Sstevel@tonic-gate */ 50297c478bd9Sstevel@tonic-gate if (nfs4_ntov_map[k].fbit != FATTR4_ACL_MASK) { 50307c478bd9Sstevel@tonic-gate error = (*nfs4_ntov_map[k].sv_getit)(cmd, 50317c478bd9Sstevel@tonic-gate sargp, nap); 50327c478bd9Sstevel@tonic-gate if (error) { 50337c478bd9Sstevel@tonic-gate xdr_free(nfs4_ntov_map[k].xfunc, 50347c478bd9Sstevel@tonic-gate (caddr_t)nap); 50357c478bd9Sstevel@tonic-gate } 50367c478bd9Sstevel@tonic-gate } 50377c478bd9Sstevel@tonic-gate } 50387c478bd9Sstevel@tonic-gate } else { 50397c478bd9Sstevel@tonic-gate #ifdef DEBUG 50407c478bd9Sstevel@tonic-gate cmn_err(CE_NOTE, "decode_fattr4_attr: error " 50417c478bd9Sstevel@tonic-gate "decoding attribute %d\n", k); 50427c478bd9Sstevel@tonic-gate #endif 50437c478bd9Sstevel@tonic-gate error = EINVAL; 50447c478bd9Sstevel@tonic-gate } 50457c478bd9Sstevel@tonic-gate if (!error && resp_bval && !set_later) { 50467c478bd9Sstevel@tonic-gate *resp_bval |= nfs4_ntov_map[k].fbit; 50477c478bd9Sstevel@tonic-gate } 50487c478bd9Sstevel@tonic-gate 50497c478bd9Sstevel@tonic-gate return (error); 50507c478bd9Sstevel@tonic-gate } 50517c478bd9Sstevel@tonic-gate 50527c478bd9Sstevel@tonic-gate /* 50537c478bd9Sstevel@tonic-gate * Set vattr based on incoming fattr4 attrs - used by setattr. 50547c478bd9Sstevel@tonic-gate * Set response mask. Ignore any values that are not writable vattr attrs. 50557c478bd9Sstevel@tonic-gate */ 50567c478bd9Sstevel@tonic-gate static nfsstat4 50577c478bd9Sstevel@tonic-gate do_rfs4_set_attrs(bitmap4 *resp, fattr4 *fattrp, struct compound_state *cs, 50587c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg *sargp, struct nfs4_ntov_table *ntovp, 50597c478bd9Sstevel@tonic-gate nfs4_attr_cmd_t cmd) 50607c478bd9Sstevel@tonic-gate { 50617c478bd9Sstevel@tonic-gate int error = 0; 50627c478bd9Sstevel@tonic-gate int i; 50637c478bd9Sstevel@tonic-gate char *attrs = fattrp->attrlist4; 50647c478bd9Sstevel@tonic-gate uint32_t attrslen = fattrp->attrlist4_len; 50657c478bd9Sstevel@tonic-gate XDR xdr; 50667c478bd9Sstevel@tonic-gate nfsstat4 status = NFS4_OK; 50677c478bd9Sstevel@tonic-gate vnode_t *vp = cs->vp; 50687c478bd9Sstevel@tonic-gate union nfs4_attr_u *na; 50697c478bd9Sstevel@tonic-gate uint8_t *amap; 50707c478bd9Sstevel@tonic-gate 50717c478bd9Sstevel@tonic-gate #ifndef lint 50727c478bd9Sstevel@tonic-gate /* 50737c478bd9Sstevel@tonic-gate * Make sure that maximum attribute number can be expressed as an 50747c478bd9Sstevel@tonic-gate * 8 bit quantity. 50757c478bd9Sstevel@tonic-gate */ 50767c478bd9Sstevel@tonic-gate ASSERT(NFS4_MAXNUM_ATTRS <= (UINT8_MAX + 1)); 50777c478bd9Sstevel@tonic-gate #endif 50787c478bd9Sstevel@tonic-gate 50797c478bd9Sstevel@tonic-gate if (vp == NULL) { 50807c478bd9Sstevel@tonic-gate if (resp) 50817c478bd9Sstevel@tonic-gate *resp = 0; 50827c478bd9Sstevel@tonic-gate return (NFS4ERR_NOFILEHANDLE); 50837c478bd9Sstevel@tonic-gate } 50847c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 50857c478bd9Sstevel@tonic-gate if (resp) 50867c478bd9Sstevel@tonic-gate *resp = 0; 50877c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 50887c478bd9Sstevel@tonic-gate } 50897c478bd9Sstevel@tonic-gate 50907c478bd9Sstevel@tonic-gate sargp->op = cmd; 50917c478bd9Sstevel@tonic-gate sargp->cs = cs; 50927c478bd9Sstevel@tonic-gate sargp->flag = 0; /* may be set later */ 50937c478bd9Sstevel@tonic-gate sargp->vap->va_mask = 0; 50947c478bd9Sstevel@tonic-gate sargp->rdattr_error = NFS4_OK; 50957c478bd9Sstevel@tonic-gate sargp->rdattr_error_req = FALSE; 50967c478bd9Sstevel@tonic-gate /* sargp->sbp is set by the caller */ 50977c478bd9Sstevel@tonic-gate 50987c478bd9Sstevel@tonic-gate xdrmem_create(&xdr, attrs, attrslen, XDR_DECODE); 50997c478bd9Sstevel@tonic-gate 51007c478bd9Sstevel@tonic-gate na = ntovp->na; 51017c478bd9Sstevel@tonic-gate amap = ntovp->amap; 51027c478bd9Sstevel@tonic-gate 51037c478bd9Sstevel@tonic-gate /* 51047c478bd9Sstevel@tonic-gate * The following loop iterates on the nfs4_ntov_map checking 51057c478bd9Sstevel@tonic-gate * if the fbit is set in the requested bitmap. 51067c478bd9Sstevel@tonic-gate * If set then we process the arguments using the 51077c478bd9Sstevel@tonic-gate * rfs4_fattr4 conversion functions to populate the setattr 51087c478bd9Sstevel@tonic-gate * vattr and va_mask. Any settable attrs that are not using vattr 51097c478bd9Sstevel@tonic-gate * will be set in this loop. 51107c478bd9Sstevel@tonic-gate */ 51117c478bd9Sstevel@tonic-gate for (i = 0; i < nfs4_ntov_map_size; i++) { 51127c478bd9Sstevel@tonic-gate if (!(fattrp->attrmask & nfs4_ntov_map[i].fbit)) { 51137c478bd9Sstevel@tonic-gate continue; 51147c478bd9Sstevel@tonic-gate } 51157c478bd9Sstevel@tonic-gate /* 51167c478bd9Sstevel@tonic-gate * If setattr, must be a writable attr. 51177c478bd9Sstevel@tonic-gate * If verify/nverify, must be a readable attr. 51187c478bd9Sstevel@tonic-gate */ 51197c478bd9Sstevel@tonic-gate if ((error = (*nfs4_ntov_map[i].sv_getit)( 51207c478bd9Sstevel@tonic-gate NFS4ATTR_SUPPORTED, sargp, NULL)) != 0) { 51217c478bd9Sstevel@tonic-gate /* 51227c478bd9Sstevel@tonic-gate * Client tries to set/verify an 51237c478bd9Sstevel@tonic-gate * unsupported attribute, tries to set 51247c478bd9Sstevel@tonic-gate * a read only attr or verify a write 51257c478bd9Sstevel@tonic-gate * only one - error! 51267c478bd9Sstevel@tonic-gate */ 51277c478bd9Sstevel@tonic-gate break; 51287c478bd9Sstevel@tonic-gate } 51297c478bd9Sstevel@tonic-gate /* 51307c478bd9Sstevel@tonic-gate * Decode the attribute to set/verify 51317c478bd9Sstevel@tonic-gate */ 51327c478bd9Sstevel@tonic-gate error = decode_fattr4_attr(cmd, sargp, nfs4_ntov_map[i].nval, 51337c478bd9Sstevel@tonic-gate &xdr, resp ? resp : NULL, na); 51347c478bd9Sstevel@tonic-gate if (error) 51357c478bd9Sstevel@tonic-gate break; 51367c478bd9Sstevel@tonic-gate *amap++ = (uint8_t)nfs4_ntov_map[i].nval; 51377c478bd9Sstevel@tonic-gate na++; 51387c478bd9Sstevel@tonic-gate (ntovp->attrcnt)++; 51397c478bd9Sstevel@tonic-gate if (nfs4_ntov_map[i].vfsstat) 51407c478bd9Sstevel@tonic-gate ntovp->vfsstat = TRUE; 51417c478bd9Sstevel@tonic-gate } 51427c478bd9Sstevel@tonic-gate 51437c478bd9Sstevel@tonic-gate if (error != 0) 51447c478bd9Sstevel@tonic-gate status = (error == ENOTSUP ? NFS4ERR_ATTRNOTSUPP : 51457c478bd9Sstevel@tonic-gate puterrno4(error)); 51467c478bd9Sstevel@tonic-gate /* xdrmem_destroy(&xdrs); */ /* NO-OP */ 51477c478bd9Sstevel@tonic-gate return (status); 51487c478bd9Sstevel@tonic-gate } 51497c478bd9Sstevel@tonic-gate 51507c478bd9Sstevel@tonic-gate static nfsstat4 51517c478bd9Sstevel@tonic-gate do_rfs4_op_setattr(bitmap4 *resp, fattr4 *fattrp, struct compound_state *cs, 51527c478bd9Sstevel@tonic-gate stateid4 *stateid) 51537c478bd9Sstevel@tonic-gate { 51547c478bd9Sstevel@tonic-gate int error = 0; 51557c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 51567c478bd9Sstevel@tonic-gate bool_t trunc; 51577c478bd9Sstevel@tonic-gate 51587c478bd9Sstevel@tonic-gate nfsstat4 status = NFS4_OK; 51597c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 51607c478bd9Sstevel@tonic-gate vnode_t *vp = cs->vp; 51617c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 51627c478bd9Sstevel@tonic-gate struct statvfs64 sb; 51637c478bd9Sstevel@tonic-gate struct vattr bva; 51647c478bd9Sstevel@tonic-gate struct flock64 bf; 51657c478bd9Sstevel@tonic-gate int in_crit = 0; 51667c478bd9Sstevel@tonic-gate uint_t saved_mask = 0; 51677c478bd9Sstevel@tonic-gate caller_context_t ct; 51687c478bd9Sstevel@tonic-gate 51697c478bd9Sstevel@tonic-gate *resp = 0; 51707c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 51712f172c55SRobert Thurlow sarg.is_referral = B_FALSE; 51727c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 51737c478bd9Sstevel@tonic-gate status = do_rfs4_set_attrs(resp, fattrp, cs, &sarg, &ntov, 51747c478bd9Sstevel@tonic-gate NFS4ATTR_SETIT); 51757c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 51767c478bd9Sstevel@tonic-gate /* 51777c478bd9Sstevel@tonic-gate * failed set attrs 51787c478bd9Sstevel@tonic-gate */ 51797c478bd9Sstevel@tonic-gate goto done; 51807c478bd9Sstevel@tonic-gate } 51817c478bd9Sstevel@tonic-gate if ((sarg.vap->va_mask == 0) && 51827c478bd9Sstevel@tonic-gate (! (fattrp->attrmask & FATTR4_ACL_MASK))) { 51837c478bd9Sstevel@tonic-gate /* 51847c478bd9Sstevel@tonic-gate * no further work to be done 51857c478bd9Sstevel@tonic-gate */ 51867c478bd9Sstevel@tonic-gate goto done; 51877c478bd9Sstevel@tonic-gate } 51887c478bd9Sstevel@tonic-gate 51897c478bd9Sstevel@tonic-gate /* 51907c478bd9Sstevel@tonic-gate * If we got a request to set the ACL and the MODE, only 51917c478bd9Sstevel@tonic-gate * allow changing VSUID, VSGID, and VSVTX. Attempting 51927c478bd9Sstevel@tonic-gate * to change any other bits, along with setting an ACL, 51937c478bd9Sstevel@tonic-gate * gives NFS4ERR_INVAL. 51947c478bd9Sstevel@tonic-gate */ 51957c478bd9Sstevel@tonic-gate if ((fattrp->attrmask & FATTR4_ACL_MASK) && 51967c478bd9Sstevel@tonic-gate (fattrp->attrmask & FATTR4_MODE_MASK)) { 51977c478bd9Sstevel@tonic-gate vattr_t va; 51987c478bd9Sstevel@tonic-gate 51997c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE; 5200da6c28aaSamw error = VOP_GETATTR(vp, &va, 0, cs->cr, NULL); 52017c478bd9Sstevel@tonic-gate if (error) { 52027c478bd9Sstevel@tonic-gate status = puterrno4(error); 52037c478bd9Sstevel@tonic-gate goto done; 52047c478bd9Sstevel@tonic-gate } 52057c478bd9Sstevel@tonic-gate if ((sarg.vap->va_mode ^ va.va_mode) & 52067c478bd9Sstevel@tonic-gate ~(VSUID | VSGID | VSVTX)) { 52077c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 52087c478bd9Sstevel@tonic-gate goto done; 52097c478bd9Sstevel@tonic-gate } 52107c478bd9Sstevel@tonic-gate } 52117c478bd9Sstevel@tonic-gate 52127c478bd9Sstevel@tonic-gate /* Check stateid only if size has been set */ 52137c478bd9Sstevel@tonic-gate if (sarg.vap->va_mask & AT_SIZE) { 52147c478bd9Sstevel@tonic-gate trunc = (sarg.vap->va_size == 0); 52157c478bd9Sstevel@tonic-gate status = rfs4_check_stateid(FWRITE, cs->vp, stateid, 5216da6c28aaSamw trunc, &cs->deleg, sarg.vap->va_mask & AT_SIZE, &ct); 52177c478bd9Sstevel@tonic-gate if (status != NFS4_OK) 52187c478bd9Sstevel@tonic-gate goto done; 5219da6c28aaSamw } else { 52207c478bd9Sstevel@tonic-gate ct.cc_sysid = 0; 52217c478bd9Sstevel@tonic-gate ct.cc_pid = 0; 52227c478bd9Sstevel@tonic-gate ct.cc_caller_id = nfs4_srv_caller_id; 522362b9fcbeSjwahlig ct.cc_flags = CC_DONTBLOCK; 5224da6c28aaSamw } 52257c478bd9Sstevel@tonic-gate 52267c478bd9Sstevel@tonic-gate /* XXX start of possible race with delegations */ 52277c478bd9Sstevel@tonic-gate 52287c478bd9Sstevel@tonic-gate /* 52297c478bd9Sstevel@tonic-gate * We need to specially handle size changes because it is 52307c478bd9Sstevel@tonic-gate * possible for the client to create a file with read-only 52317c478bd9Sstevel@tonic-gate * modes, but with the file opened for writing. If the client 52327c478bd9Sstevel@tonic-gate * then tries to set the file size, e.g. ftruncate(3C), 52337c478bd9Sstevel@tonic-gate * fcntl(F_FREESP), the normal access checking done in 52347c478bd9Sstevel@tonic-gate * VOP_SETATTR would prevent the client from doing it even though 52357c478bd9Sstevel@tonic-gate * it should be allowed to do so. To get around this, we do the 52367c478bd9Sstevel@tonic-gate * access checking for ourselves and use VOP_SPACE which doesn't 52377c478bd9Sstevel@tonic-gate * do the access checking. 52387c478bd9Sstevel@tonic-gate * Also the client should not be allowed to change the file 52397c478bd9Sstevel@tonic-gate * size if there is a conflicting non-blocking mandatory lock in 52407c478bd9Sstevel@tonic-gate * the region of the change. 52417c478bd9Sstevel@tonic-gate */ 52427c478bd9Sstevel@tonic-gate if (vp->v_type == VREG && (sarg.vap->va_mask & AT_SIZE)) { 52437c478bd9Sstevel@tonic-gate u_offset_t offset; 52447c478bd9Sstevel@tonic-gate ssize_t length; 52457c478bd9Sstevel@tonic-gate 52467c478bd9Sstevel@tonic-gate /* 52479720e166Sjasmith * ufs_setattr clears AT_SIZE from vap->va_mask, but 52489720e166Sjasmith * before returning, sarg.vap->va_mask is used to 52499720e166Sjasmith * generate the setattr reply bitmap. We also clear 52509720e166Sjasmith * AT_SIZE below before calling VOP_SPACE. For both 52519720e166Sjasmith * of these cases, the va_mask needs to be saved here 52529720e166Sjasmith * and restored after calling VOP_SETATTR. 52539720e166Sjasmith */ 52549720e166Sjasmith saved_mask = sarg.vap->va_mask; 52559720e166Sjasmith 52569720e166Sjasmith /* 52577c478bd9Sstevel@tonic-gate * Check any possible conflict due to NBMAND locks. 52587c478bd9Sstevel@tonic-gate * Get into critical region before VOP_GETATTR, so the 52597c478bd9Sstevel@tonic-gate * size attribute is valid when checking conflicts. 52607c478bd9Sstevel@tonic-gate */ 52617c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 52627c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 52637c478bd9Sstevel@tonic-gate in_crit = 1; 52647c478bd9Sstevel@tonic-gate } 52657c478bd9Sstevel@tonic-gate 52667c478bd9Sstevel@tonic-gate bva.va_mask = AT_UID|AT_SIZE; 5267da6c28aaSamw if (error = VOP_GETATTR(vp, &bva, 0, cr, &ct)) { 52687c478bd9Sstevel@tonic-gate status = puterrno4(error); 52697c478bd9Sstevel@tonic-gate goto done; 52707c478bd9Sstevel@tonic-gate } 52717c478bd9Sstevel@tonic-gate 52727c478bd9Sstevel@tonic-gate if (in_crit) { 52737c478bd9Sstevel@tonic-gate if (sarg.vap->va_size < bva.va_size) { 52747c478bd9Sstevel@tonic-gate offset = sarg.vap->va_size; 52757c478bd9Sstevel@tonic-gate length = bva.va_size - sarg.vap->va_size; 52767c478bd9Sstevel@tonic-gate } else { 52777c478bd9Sstevel@tonic-gate offset = bva.va_size; 52787c478bd9Sstevel@tonic-gate length = sarg.vap->va_size - bva.va_size; 52797c478bd9Sstevel@tonic-gate } 5280da6c28aaSamw if (nbl_conflict(vp, NBL_WRITE, offset, length, 0, 5281da6c28aaSamw &ct)) { 52827c478bd9Sstevel@tonic-gate status = NFS4ERR_LOCKED; 52837c478bd9Sstevel@tonic-gate goto done; 52847c478bd9Sstevel@tonic-gate } 52857c478bd9Sstevel@tonic-gate } 52867c478bd9Sstevel@tonic-gate 52877c478bd9Sstevel@tonic-gate if (crgetuid(cr) == bva.va_uid) { 52887c478bd9Sstevel@tonic-gate sarg.vap->va_mask &= ~AT_SIZE; 52897c478bd9Sstevel@tonic-gate bf.l_type = F_WRLCK; 52907c478bd9Sstevel@tonic-gate bf.l_whence = 0; 52917c478bd9Sstevel@tonic-gate bf.l_start = (off64_t)sarg.vap->va_size; 52927c478bd9Sstevel@tonic-gate bf.l_len = 0; 52937c478bd9Sstevel@tonic-gate bf.l_sysid = 0; 52947c478bd9Sstevel@tonic-gate bf.l_pid = 0; 52957c478bd9Sstevel@tonic-gate error = VOP_SPACE(vp, F_FREESP, &bf, FWRITE, 52967c478bd9Sstevel@tonic-gate (offset_t)sarg.vap->va_size, cr, &ct); 52977c478bd9Sstevel@tonic-gate } 52987c478bd9Sstevel@tonic-gate } 52997c478bd9Sstevel@tonic-gate 53007c478bd9Sstevel@tonic-gate if (!error && sarg.vap->va_mask != 0) 53017c478bd9Sstevel@tonic-gate error = VOP_SETATTR(vp, sarg.vap, sarg.flag, cr, &ct); 53027c478bd9Sstevel@tonic-gate 53039720e166Sjasmith /* restore va_mask -- ufs_setattr clears AT_SIZE */ 53047c478bd9Sstevel@tonic-gate if (saved_mask & AT_SIZE) 53057c478bd9Sstevel@tonic-gate sarg.vap->va_mask |= AT_SIZE; 53067c478bd9Sstevel@tonic-gate 53077c478bd9Sstevel@tonic-gate /* 53087c478bd9Sstevel@tonic-gate * If an ACL was being set, it has been delayed until now, 53097c478bd9Sstevel@tonic-gate * in order to set the mode (via the VOP_SETATTR() above) first. 53107c478bd9Sstevel@tonic-gate */ 53117c478bd9Sstevel@tonic-gate if ((! error) && (fattrp->attrmask & FATTR4_ACL_MASK)) { 53127c478bd9Sstevel@tonic-gate int i; 53137c478bd9Sstevel@tonic-gate 53147c478bd9Sstevel@tonic-gate for (i = 0; i < NFS4_MAXNUM_ATTRS; i++) 53157c478bd9Sstevel@tonic-gate if (ntov.amap[i] == FATTR4_ACL) 53167c478bd9Sstevel@tonic-gate break; 53177c478bd9Sstevel@tonic-gate if (i < NFS4_MAXNUM_ATTRS) { 53187c478bd9Sstevel@tonic-gate error = (*nfs4_ntov_map[FATTR4_ACL].sv_getit)( 53197c478bd9Sstevel@tonic-gate NFS4ATTR_SETIT, &sarg, &ntov.na[i]); 53207c478bd9Sstevel@tonic-gate if (error == 0) { 53217c478bd9Sstevel@tonic-gate *resp |= FATTR4_ACL_MASK; 53227c478bd9Sstevel@tonic-gate } else if (error == ENOTSUP) { 53237c478bd9Sstevel@tonic-gate (void) rfs4_verify_attr(&sarg, resp, &ntov); 53247c478bd9Sstevel@tonic-gate status = NFS4ERR_ATTRNOTSUPP; 53257c478bd9Sstevel@tonic-gate goto done; 53267c478bd9Sstevel@tonic-gate } 53277c478bd9Sstevel@tonic-gate } else { 53287c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 53297c478bd9Sstevel@tonic-gate (CE_NOTE, "do_rfs4_op_setattr: " 53307c478bd9Sstevel@tonic-gate "unable to find ACL in fattr4")); 53317c478bd9Sstevel@tonic-gate error = EINVAL; 53327c478bd9Sstevel@tonic-gate } 53337c478bd9Sstevel@tonic-gate } 53347c478bd9Sstevel@tonic-gate 53357c478bd9Sstevel@tonic-gate if (error) { 533662b9fcbeSjwahlig /* check if a monitor detected a delegation conflict */ 533762b9fcbeSjwahlig if (error == EAGAIN && (ct.cc_flags & CC_WOULDBLOCK)) 533862b9fcbeSjwahlig status = NFS4ERR_DELAY; 533962b9fcbeSjwahlig else 53407c478bd9Sstevel@tonic-gate status = puterrno4(error); 53417c478bd9Sstevel@tonic-gate 53427c478bd9Sstevel@tonic-gate /* 53437c478bd9Sstevel@tonic-gate * Set the response bitmap when setattr failed. 53447c478bd9Sstevel@tonic-gate * If VOP_SETATTR partially succeeded, test by doing a 53457c478bd9Sstevel@tonic-gate * VOP_GETATTR on the object and comparing the data 53467c478bd9Sstevel@tonic-gate * to the setattr arguments. 53477c478bd9Sstevel@tonic-gate */ 53487c478bd9Sstevel@tonic-gate (void) rfs4_verify_attr(&sarg, resp, &ntov); 53497c478bd9Sstevel@tonic-gate } else { 53507c478bd9Sstevel@tonic-gate /* 53517c478bd9Sstevel@tonic-gate * Force modified metadata out to stable storage. 53527c478bd9Sstevel@tonic-gate */ 5353da6c28aaSamw (void) VOP_FSYNC(vp, FNODSYNC, cr, &ct); 53547c478bd9Sstevel@tonic-gate /* 53557c478bd9Sstevel@tonic-gate * Set response bitmap 53567c478bd9Sstevel@tonic-gate */ 53579720e166Sjasmith nfs4_vmask_to_nmask_set(sarg.vap->va_mask, resp); 53587c478bd9Sstevel@tonic-gate } 53597c478bd9Sstevel@tonic-gate 53607c478bd9Sstevel@tonic-gate /* Return early and already have a NFSv4 error */ 53617c478bd9Sstevel@tonic-gate done: 53629720e166Sjasmith /* 53639720e166Sjasmith * Except for nfs4_vmask_to_nmask_set(), vattr --> fattr 53649720e166Sjasmith * conversion sets both readable and writeable NFS4 attrs 53659720e166Sjasmith * for AT_MTIME and AT_ATIME. The line below masks out 53669720e166Sjasmith * unrequested attrs from the setattr result bitmap. This 53679720e166Sjasmith * is placed after the done: label to catch the ATTRNOTSUP 53689720e166Sjasmith * case. 53699720e166Sjasmith */ 53709720e166Sjasmith *resp &= fattrp->attrmask; 53719720e166Sjasmith 53727c478bd9Sstevel@tonic-gate if (in_crit) 53737c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 53747c478bd9Sstevel@tonic-gate 53757c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 53767c478bd9Sstevel@tonic-gate 53777c478bd9Sstevel@tonic-gate return (status); 53787c478bd9Sstevel@tonic-gate } 53797c478bd9Sstevel@tonic-gate 53807c478bd9Sstevel@tonic-gate /* ARGSUSED */ 53817c478bd9Sstevel@tonic-gate static void 53827c478bd9Sstevel@tonic-gate rfs4_op_setattr(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 53837c478bd9Sstevel@tonic-gate struct compound_state *cs) 53847c478bd9Sstevel@tonic-gate { 53857c478bd9Sstevel@tonic-gate SETATTR4args *args = &argop->nfs_argop4_u.opsetattr; 53867c478bd9Sstevel@tonic-gate SETATTR4res *resp = &resop->nfs_resop4_u.opsetattr; 538745916cd2Sjpk bslabel_t *clabel; 53887c478bd9Sstevel@tonic-gate 5389f3b585ceSsamf DTRACE_NFSV4_2(op__setattr__start, struct compound_state *, cs, 5390f3b585ceSsamf SETATTR4args *, args); 5391f3b585ceSsamf 53927c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 53937c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 5394f3b585ceSsamf goto out; 53957c478bd9Sstevel@tonic-gate } 53967c478bd9Sstevel@tonic-gate 53977c478bd9Sstevel@tonic-gate /* 53987c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 53997c478bd9Sstevel@tonic-gate * do not allow to setattr on this vnode. 54007c478bd9Sstevel@tonic-gate */ 54017c478bd9Sstevel@tonic-gate if (vn_ismntpt(cs->vp)) { 54027c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 5403f3b585ceSsamf goto out; 54047c478bd9Sstevel@tonic-gate } 54057c478bd9Sstevel@tonic-gate 54067c478bd9Sstevel@tonic-gate resp->attrsset = 0; 54077c478bd9Sstevel@tonic-gate 54087c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 54097c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 5410f3b585ceSsamf goto out; 54117c478bd9Sstevel@tonic-gate } 54127c478bd9Sstevel@tonic-gate 541345916cd2Sjpk /* check label before setting attributes */ 541445916cd2Sjpk if (is_system_labeled()) { 541545916cd2Sjpk ASSERT(req->rq_label != NULL); 541645916cd2Sjpk clabel = req->rq_label; 541745916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__opsetattr__clabel, char *, 541845916cd2Sjpk "got client label from request(1)", 541945916cd2Sjpk struct svc_req *, req); 542045916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 542103986916Sjarrett if (!do_rfs_label_check(clabel, cs->vp, 5422bd6f1640SJarrett Lu EQUALITY_CHECK, cs->exi)) { 542345916cd2Sjpk *cs->statusp = resp->status = NFS4ERR_ACCESS; 5424f3b585ceSsamf goto out; 542545916cd2Sjpk } 542645916cd2Sjpk } 542745916cd2Sjpk } 542845916cd2Sjpk 54297c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 54307c478bd9Sstevel@tonic-gate do_rfs4_op_setattr(&resp->attrsset, &args->obj_attributes, cs, 54317c478bd9Sstevel@tonic-gate &args->stateid); 5432f3b585ceSsamf 5433f3b585ceSsamf out: 5434f3b585ceSsamf DTRACE_NFSV4_2(op__setattr__done, struct compound_state *, cs, 5435f3b585ceSsamf SETATTR4res *, resp); 54367c478bd9Sstevel@tonic-gate } 54377c478bd9Sstevel@tonic-gate 54387c478bd9Sstevel@tonic-gate /* ARGSUSED */ 54397c478bd9Sstevel@tonic-gate static void 54407c478bd9Sstevel@tonic-gate rfs4_op_verify(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 54417c478bd9Sstevel@tonic-gate struct compound_state *cs) 54427c478bd9Sstevel@tonic-gate { 54437c478bd9Sstevel@tonic-gate /* 54447c478bd9Sstevel@tonic-gate * verify and nverify are exactly the same, except that nverify 54457c478bd9Sstevel@tonic-gate * succeeds when some argument changed, and verify succeeds when 54467c478bd9Sstevel@tonic-gate * when none changed. 54477c478bd9Sstevel@tonic-gate */ 54487c478bd9Sstevel@tonic-gate 54497c478bd9Sstevel@tonic-gate VERIFY4args *args = &argop->nfs_argop4_u.opverify; 54507c478bd9Sstevel@tonic-gate VERIFY4res *resp = &resop->nfs_resop4_u.opverify; 54517c478bd9Sstevel@tonic-gate 54527c478bd9Sstevel@tonic-gate int error; 54537c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 54547c478bd9Sstevel@tonic-gate struct statvfs64 sb; 54557c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 54567c478bd9Sstevel@tonic-gate 5457f3b585ceSsamf DTRACE_NFSV4_2(op__verify__start, struct compound_state *, cs, 5458f3b585ceSsamf VERIFY4args *, args); 5459f3b585ceSsamf 54607c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 54617c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 5462f3b585ceSsamf goto out; 54637c478bd9Sstevel@tonic-gate } 54647c478bd9Sstevel@tonic-gate 54657c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 54662f172c55SRobert Thurlow sarg.is_referral = B_FALSE; 54677c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 54687c478bd9Sstevel@tonic-gate resp->status = do_rfs4_set_attrs(NULL, &args->obj_attributes, cs, 54697c478bd9Sstevel@tonic-gate &sarg, &ntov, NFS4ATTR_VERIT); 54707c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 54717c478bd9Sstevel@tonic-gate /* 54727c478bd9Sstevel@tonic-gate * do_rfs4_set_attrs will try to verify systemwide attrs, 54737c478bd9Sstevel@tonic-gate * so could return -1 for "no match". 54747c478bd9Sstevel@tonic-gate */ 54757c478bd9Sstevel@tonic-gate if (resp->status == -1) 54767c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_NOT_SAME; 54777c478bd9Sstevel@tonic-gate goto done; 54787c478bd9Sstevel@tonic-gate } 54797c478bd9Sstevel@tonic-gate error = rfs4_verify_attr(&sarg, NULL, &ntov); 54807c478bd9Sstevel@tonic-gate switch (error) { 54817c478bd9Sstevel@tonic-gate case 0: 54827c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 54837c478bd9Sstevel@tonic-gate break; 54847c478bd9Sstevel@tonic-gate case -1: 54857c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_NOT_SAME; 54867c478bd9Sstevel@tonic-gate break; 54877c478bd9Sstevel@tonic-gate default: 54887c478bd9Sstevel@tonic-gate resp->status = puterrno4(error); 54897c478bd9Sstevel@tonic-gate break; 54907c478bd9Sstevel@tonic-gate } 54917c478bd9Sstevel@tonic-gate done: 54927c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 54937c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 5494f3b585ceSsamf out: 5495f3b585ceSsamf DTRACE_NFSV4_2(op__verify__done, struct compound_state *, cs, 5496f3b585ceSsamf VERIFY4res *, resp); 54977c478bd9Sstevel@tonic-gate } 54987c478bd9Sstevel@tonic-gate 54997c478bd9Sstevel@tonic-gate /* ARGSUSED */ 55007c478bd9Sstevel@tonic-gate static void 55017c478bd9Sstevel@tonic-gate rfs4_op_nverify(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 55027c478bd9Sstevel@tonic-gate struct compound_state *cs) 55037c478bd9Sstevel@tonic-gate { 55047c478bd9Sstevel@tonic-gate /* 55057c478bd9Sstevel@tonic-gate * verify and nverify are exactly the same, except that nverify 55067c478bd9Sstevel@tonic-gate * succeeds when some argument changed, and verify succeeds when 55077c478bd9Sstevel@tonic-gate * when none changed. 55087c478bd9Sstevel@tonic-gate */ 55097c478bd9Sstevel@tonic-gate 55107c478bd9Sstevel@tonic-gate NVERIFY4args *args = &argop->nfs_argop4_u.opnverify; 55117c478bd9Sstevel@tonic-gate NVERIFY4res *resp = &resop->nfs_resop4_u.opnverify; 55127c478bd9Sstevel@tonic-gate 55137c478bd9Sstevel@tonic-gate int error; 55147c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 55157c478bd9Sstevel@tonic-gate struct statvfs64 sb; 55167c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 55177c478bd9Sstevel@tonic-gate 5518f3b585ceSsamf DTRACE_NFSV4_2(op__nverify__start, struct compound_state *, cs, 5519f3b585ceSsamf NVERIFY4args *, args); 5520f3b585ceSsamf 55217c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 55227c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 5523f3b585ceSsamf DTRACE_NFSV4_2(op__nverify__done, struct compound_state *, cs, 5524f3b585ceSsamf NVERIFY4res *, resp); 55257c478bd9Sstevel@tonic-gate return; 55267c478bd9Sstevel@tonic-gate } 55277c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 55282f172c55SRobert Thurlow sarg.is_referral = B_FALSE; 55297c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 55307c478bd9Sstevel@tonic-gate resp->status = do_rfs4_set_attrs(NULL, &args->obj_attributes, cs, 55317c478bd9Sstevel@tonic-gate &sarg, &ntov, NFS4ATTR_VERIT); 55327c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 55337c478bd9Sstevel@tonic-gate /* 55347c478bd9Sstevel@tonic-gate * do_rfs4_set_attrs will try to verify systemwide attrs, 55357c478bd9Sstevel@tonic-gate * so could return -1 for "no match". 55367c478bd9Sstevel@tonic-gate */ 55377c478bd9Sstevel@tonic-gate if (resp->status == -1) 55387c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 55397c478bd9Sstevel@tonic-gate goto done; 55407c478bd9Sstevel@tonic-gate } 55417c478bd9Sstevel@tonic-gate error = rfs4_verify_attr(&sarg, NULL, &ntov); 55427c478bd9Sstevel@tonic-gate switch (error) { 55437c478bd9Sstevel@tonic-gate case 0: 55447c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SAME; 55457c478bd9Sstevel@tonic-gate break; 55467c478bd9Sstevel@tonic-gate case -1: 55477c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 55487c478bd9Sstevel@tonic-gate break; 55497c478bd9Sstevel@tonic-gate default: 55507c478bd9Sstevel@tonic-gate resp->status = puterrno4(error); 55517c478bd9Sstevel@tonic-gate break; 55527c478bd9Sstevel@tonic-gate } 55537c478bd9Sstevel@tonic-gate done: 55547c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 55557c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 5556f3b585ceSsamf 5557f3b585ceSsamf DTRACE_NFSV4_2(op__nverify__done, struct compound_state *, cs, 5558f3b585ceSsamf NVERIFY4res *, resp); 55597c478bd9Sstevel@tonic-gate } 55607c478bd9Sstevel@tonic-gate 55617c478bd9Sstevel@tonic-gate /* 55627c478bd9Sstevel@tonic-gate * XXX - This should live in an NFS header file. 55637c478bd9Sstevel@tonic-gate */ 55647c478bd9Sstevel@tonic-gate #define MAX_IOVECS 12 55657c478bd9Sstevel@tonic-gate 55667c478bd9Sstevel@tonic-gate /* ARGSUSED */ 55677c478bd9Sstevel@tonic-gate static void 55687c478bd9Sstevel@tonic-gate rfs4_op_write(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 55697c478bd9Sstevel@tonic-gate struct compound_state *cs) 55707c478bd9Sstevel@tonic-gate { 55717c478bd9Sstevel@tonic-gate WRITE4args *args = &argop->nfs_argop4_u.opwrite; 55727c478bd9Sstevel@tonic-gate WRITE4res *resp = &resop->nfs_resop4_u.opwrite; 55737c478bd9Sstevel@tonic-gate int error; 55747c478bd9Sstevel@tonic-gate vnode_t *vp; 55757c478bd9Sstevel@tonic-gate struct vattr bva; 55767c478bd9Sstevel@tonic-gate u_offset_t rlimit; 55777c478bd9Sstevel@tonic-gate struct uio uio; 55787c478bd9Sstevel@tonic-gate struct iovec iov[MAX_IOVECS]; 55797c478bd9Sstevel@tonic-gate struct iovec *iovp; 55807c478bd9Sstevel@tonic-gate int iovcnt; 55817c478bd9Sstevel@tonic-gate int ioflag; 55827c478bd9Sstevel@tonic-gate cred_t *savecred, *cr; 55837c478bd9Sstevel@tonic-gate bool_t *deleg = &cs->deleg; 55847c478bd9Sstevel@tonic-gate nfsstat4 stat; 55857c478bd9Sstevel@tonic-gate int in_crit = 0; 5586da6c28aaSamw caller_context_t ct; 55877c478bd9Sstevel@tonic-gate 5588f3b585ceSsamf DTRACE_NFSV4_2(op__write__start, struct compound_state *, cs, 5589f3b585ceSsamf WRITE4args *, args); 5590f3b585ceSsamf 55917c478bd9Sstevel@tonic-gate vp = cs->vp; 55927c478bd9Sstevel@tonic-gate if (vp == NULL) { 55937c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 5594f3b585ceSsamf goto out; 55957c478bd9Sstevel@tonic-gate } 55967c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 55977c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 5598f3b585ceSsamf goto out; 55997c478bd9Sstevel@tonic-gate } 56007c478bd9Sstevel@tonic-gate 56017c478bd9Sstevel@tonic-gate cr = cs->cr; 56027c478bd9Sstevel@tonic-gate 5603da6c28aaSamw if ((stat = rfs4_check_stateid(FWRITE, vp, &args->stateid, FALSE, 5604da6c28aaSamw deleg, TRUE, &ct)) != NFS4_OK) { 5605da6c28aaSamw *cs->statusp = resp->status = stat; 5606da6c28aaSamw goto out; 5607da6c28aaSamw } 5608da6c28aaSamw 56097c478bd9Sstevel@tonic-gate /* 56107c478bd9Sstevel@tonic-gate * We have to enter the critical region before calling VOP_RWLOCK 56117c478bd9Sstevel@tonic-gate * to avoid a deadlock with ufs. 56127c478bd9Sstevel@tonic-gate */ 56137c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 56147c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 56157c478bd9Sstevel@tonic-gate in_crit = 1; 56167c478bd9Sstevel@tonic-gate if (nbl_conflict(vp, NBL_WRITE, 5617da6c28aaSamw args->offset, args->data_len, 0, &ct)) { 56187c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_LOCKED; 56197c478bd9Sstevel@tonic-gate goto out; 56207c478bd9Sstevel@tonic-gate } 56217c478bd9Sstevel@tonic-gate } 56227c478bd9Sstevel@tonic-gate 56237c478bd9Sstevel@tonic-gate bva.va_mask = AT_MODE | AT_UID; 5624da6c28aaSamw error = VOP_GETATTR(vp, &bva, 0, cr, &ct); 56257c478bd9Sstevel@tonic-gate 56267c478bd9Sstevel@tonic-gate /* 56277c478bd9Sstevel@tonic-gate * If we can't get the attributes, then we can't do the 56287c478bd9Sstevel@tonic-gate * right access checking. So, we'll fail the request. 56297c478bd9Sstevel@tonic-gate */ 56307c478bd9Sstevel@tonic-gate if (error) { 56317c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 56327c478bd9Sstevel@tonic-gate goto out; 56337c478bd9Sstevel@tonic-gate } 56347c478bd9Sstevel@tonic-gate 56357c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, cs->vp, req)) { 56367c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 56377c478bd9Sstevel@tonic-gate goto out; 56387c478bd9Sstevel@tonic-gate } 56397c478bd9Sstevel@tonic-gate 56407c478bd9Sstevel@tonic-gate if (vp->v_type != VREG) { 56417c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 56427c478bd9Sstevel@tonic-gate ((vp->v_type == VDIR) ? NFS4ERR_ISDIR : NFS4ERR_INVAL); 56437c478bd9Sstevel@tonic-gate goto out; 56447c478bd9Sstevel@tonic-gate } 56457c478bd9Sstevel@tonic-gate 56467c478bd9Sstevel@tonic-gate if (crgetuid(cr) != bva.va_uid && 5647da6c28aaSamw (error = VOP_ACCESS(vp, VWRITE, 0, cr, &ct))) { 56487c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 56497c478bd9Sstevel@tonic-gate goto out; 56507c478bd9Sstevel@tonic-gate } 56517c478bd9Sstevel@tonic-gate 56527c478bd9Sstevel@tonic-gate if (MANDLOCK(vp, bva.va_mode)) { 56537c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 56547c478bd9Sstevel@tonic-gate goto out; 56557c478bd9Sstevel@tonic-gate } 56567c478bd9Sstevel@tonic-gate 56577c478bd9Sstevel@tonic-gate if (args->data_len == 0) { 56587c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 56597c478bd9Sstevel@tonic-gate resp->count = 0; 56607c478bd9Sstevel@tonic-gate resp->committed = args->stable; 56617c478bd9Sstevel@tonic-gate resp->writeverf = Write4verf; 56627c478bd9Sstevel@tonic-gate goto out; 56637c478bd9Sstevel@tonic-gate } 56647c478bd9Sstevel@tonic-gate 56657c478bd9Sstevel@tonic-gate if (args->mblk != NULL) { 56667c478bd9Sstevel@tonic-gate mblk_t *m; 56677c478bd9Sstevel@tonic-gate uint_t bytes, round_len; 56687c478bd9Sstevel@tonic-gate 56697c478bd9Sstevel@tonic-gate iovcnt = 0; 56707c478bd9Sstevel@tonic-gate bytes = 0; 56717c478bd9Sstevel@tonic-gate round_len = roundup(args->data_len, BYTES_PER_XDR_UNIT); 56727c478bd9Sstevel@tonic-gate for (m = args->mblk; 56737c478bd9Sstevel@tonic-gate m != NULL && bytes < round_len; 56747c478bd9Sstevel@tonic-gate m = m->b_cont) { 56757c478bd9Sstevel@tonic-gate iovcnt++; 56767c478bd9Sstevel@tonic-gate bytes += MBLKL(m); 56777c478bd9Sstevel@tonic-gate } 56787c478bd9Sstevel@tonic-gate #ifdef DEBUG 56797c478bd9Sstevel@tonic-gate /* should have ended on an mblk boundary */ 56807c478bd9Sstevel@tonic-gate if (bytes != round_len) { 56817c478bd9Sstevel@tonic-gate printf("bytes=0x%x, round_len=0x%x, req len=0x%x\n", 56827c478bd9Sstevel@tonic-gate bytes, round_len, args->data_len); 56837c478bd9Sstevel@tonic-gate printf("args=%p, args->mblk=%p, m=%p", (void *)args, 56847c478bd9Sstevel@tonic-gate (void *)args->mblk, (void *)m); 56857c478bd9Sstevel@tonic-gate ASSERT(bytes == round_len); 56867c478bd9Sstevel@tonic-gate } 56877c478bd9Sstevel@tonic-gate #endif 56887c478bd9Sstevel@tonic-gate if (iovcnt <= MAX_IOVECS) { 56897c478bd9Sstevel@tonic-gate iovp = iov; 56907c478bd9Sstevel@tonic-gate } else { 56917c478bd9Sstevel@tonic-gate iovp = kmem_alloc(sizeof (*iovp) * iovcnt, KM_SLEEP); 56927c478bd9Sstevel@tonic-gate } 56937c478bd9Sstevel@tonic-gate mblk_to_iov(args->mblk, iovcnt, iovp); 56940a701b1eSRobert Gordon } else if (args->rlist != NULL) { 56950a701b1eSRobert Gordon iovcnt = 1; 56960a701b1eSRobert Gordon iovp = iov; 56970a701b1eSRobert Gordon iovp->iov_base = (char *)((args->rlist)->u.c_daddr3); 56980a701b1eSRobert Gordon iovp->iov_len = args->data_len; 56997c478bd9Sstevel@tonic-gate } else { 57007c478bd9Sstevel@tonic-gate iovcnt = 1; 57017c478bd9Sstevel@tonic-gate iovp = iov; 57027c478bd9Sstevel@tonic-gate iovp->iov_base = args->data_val; 57037c478bd9Sstevel@tonic-gate iovp->iov_len = args->data_len; 57047c478bd9Sstevel@tonic-gate } 57057c478bd9Sstevel@tonic-gate 57067c478bd9Sstevel@tonic-gate uio.uio_iov = iovp; 57077c478bd9Sstevel@tonic-gate uio.uio_iovcnt = iovcnt; 57087c478bd9Sstevel@tonic-gate 57097c478bd9Sstevel@tonic-gate uio.uio_segflg = UIO_SYSSPACE; 57107c478bd9Sstevel@tonic-gate uio.uio_extflg = UIO_COPY_DEFAULT; 57117c478bd9Sstevel@tonic-gate uio.uio_loffset = args->offset; 57127c478bd9Sstevel@tonic-gate uio.uio_resid = args->data_len; 57137c478bd9Sstevel@tonic-gate uio.uio_llimit = curproc->p_fsz_ctl; 57147c478bd9Sstevel@tonic-gate rlimit = uio.uio_llimit - args->offset; 57157c478bd9Sstevel@tonic-gate if (rlimit < (u_offset_t)uio.uio_resid) 57167c478bd9Sstevel@tonic-gate uio.uio_resid = (int)rlimit; 57177c478bd9Sstevel@tonic-gate 57187c478bd9Sstevel@tonic-gate if (args->stable == UNSTABLE4) 57197c478bd9Sstevel@tonic-gate ioflag = 0; 57207c478bd9Sstevel@tonic-gate else if (args->stable == FILE_SYNC4) 57217c478bd9Sstevel@tonic-gate ioflag = FSYNC; 57227c478bd9Sstevel@tonic-gate else if (args->stable == DATA_SYNC4) 57237c478bd9Sstevel@tonic-gate ioflag = FDSYNC; 57247c478bd9Sstevel@tonic-gate else { 57257c478bd9Sstevel@tonic-gate if (iovp != iov) 57267c478bd9Sstevel@tonic-gate kmem_free(iovp, sizeof (*iovp) * iovcnt); 57277c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 57287c478bd9Sstevel@tonic-gate goto out; 57297c478bd9Sstevel@tonic-gate } 57307c478bd9Sstevel@tonic-gate 57317c478bd9Sstevel@tonic-gate /* 57327c478bd9Sstevel@tonic-gate * We're changing creds because VM may fault and we need 57337c478bd9Sstevel@tonic-gate * the cred of the current thread to be used if quota 57347c478bd9Sstevel@tonic-gate * checking is enabled. 57357c478bd9Sstevel@tonic-gate */ 57367c478bd9Sstevel@tonic-gate savecred = curthread->t_cred; 57377c478bd9Sstevel@tonic-gate curthread->t_cred = cr; 5738da6c28aaSamw error = do_io(FWRITE, vp, &uio, ioflag, cr, &ct); 57397c478bd9Sstevel@tonic-gate curthread->t_cred = savecred; 57407c478bd9Sstevel@tonic-gate 57417c478bd9Sstevel@tonic-gate if (iovp != iov) 57427c478bd9Sstevel@tonic-gate kmem_free(iovp, sizeof (*iovp) * iovcnt); 57437c478bd9Sstevel@tonic-gate 57447c478bd9Sstevel@tonic-gate if (error) { 57457c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 57467c478bd9Sstevel@tonic-gate goto out; 57477c478bd9Sstevel@tonic-gate } 57487c478bd9Sstevel@tonic-gate 57497c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 57507c478bd9Sstevel@tonic-gate resp->count = args->data_len - uio.uio_resid; 57517c478bd9Sstevel@tonic-gate 57527c478bd9Sstevel@tonic-gate if (ioflag == 0) 57537c478bd9Sstevel@tonic-gate resp->committed = UNSTABLE4; 57547c478bd9Sstevel@tonic-gate else 57557c478bd9Sstevel@tonic-gate resp->committed = FILE_SYNC4; 57567c478bd9Sstevel@tonic-gate 57577c478bd9Sstevel@tonic-gate resp->writeverf = Write4verf; 57587c478bd9Sstevel@tonic-gate 57597c478bd9Sstevel@tonic-gate out: 57607c478bd9Sstevel@tonic-gate if (in_crit) 57617c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 5762f3b585ceSsamf 5763f3b585ceSsamf DTRACE_NFSV4_2(op__write__done, struct compound_state *, cs, 5764f3b585ceSsamf WRITE4res *, resp); 57657c478bd9Sstevel@tonic-gate } 57667c478bd9Sstevel@tonic-gate 57677c478bd9Sstevel@tonic-gate 57687c478bd9Sstevel@tonic-gate /* XXX put in a header file */ 57697c478bd9Sstevel@tonic-gate extern int sec_svc_getcred(struct svc_req *, cred_t *, caddr_t *, int *); 57707c478bd9Sstevel@tonic-gate 57717c478bd9Sstevel@tonic-gate void 57727c478bd9Sstevel@tonic-gate rfs4_compound(COMPOUND4args *args, COMPOUND4res *resp, struct exportinfo *exi, 57732e9d26a4Srmesta struct svc_req *req, cred_t *cr, int *rv) 57747c478bd9Sstevel@tonic-gate { 57757c478bd9Sstevel@tonic-gate uint_t i; 57767c478bd9Sstevel@tonic-gate struct compound_state cs; 57777c478bd9Sstevel@tonic-gate 57782e9d26a4Srmesta if (rv != NULL) 57792e9d26a4Srmesta *rv = 0; 57807c478bd9Sstevel@tonic-gate rfs4_init_compound_state(&cs); 57817c478bd9Sstevel@tonic-gate /* 57827c478bd9Sstevel@tonic-gate * Form a reply tag by copying over the reqeuest tag. 57837c478bd9Sstevel@tonic-gate */ 57847c478bd9Sstevel@tonic-gate resp->tag.utf8string_val = 57857c478bd9Sstevel@tonic-gate kmem_alloc(args->tag.utf8string_len, KM_SLEEP); 57867c478bd9Sstevel@tonic-gate resp->tag.utf8string_len = args->tag.utf8string_len; 57877c478bd9Sstevel@tonic-gate bcopy(args->tag.utf8string_val, resp->tag.utf8string_val, 57887c478bd9Sstevel@tonic-gate resp->tag.utf8string_len); 57897c478bd9Sstevel@tonic-gate 57907c478bd9Sstevel@tonic-gate cs.statusp = &resp->status; 5791f3b585ceSsamf cs.req = req; 57927c478bd9Sstevel@tonic-gate 57937c478bd9Sstevel@tonic-gate /* 57947c478bd9Sstevel@tonic-gate * XXX for now, minorversion should be zero 57957c478bd9Sstevel@tonic-gate */ 57967c478bd9Sstevel@tonic-gate if (args->minorversion != NFS4_MINORVERSION) { 5797f3b585ceSsamf DTRACE_NFSV4_2(compound__start, struct compound_state *, 5798f3b585ceSsamf &cs, COMPOUND4args *, args); 57997c478bd9Sstevel@tonic-gate resp->array_len = 0; 58007c478bd9Sstevel@tonic-gate resp->array = NULL; 58017c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_MINOR_VERS_MISMATCH; 5802f3b585ceSsamf DTRACE_NFSV4_2(compound__done, struct compound_state *, 5803f3b585ceSsamf &cs, COMPOUND4res *, resp); 58047c478bd9Sstevel@tonic-gate return; 58057c478bd9Sstevel@tonic-gate } 58067c478bd9Sstevel@tonic-gate 58077c478bd9Sstevel@tonic-gate ASSERT(exi == NULL); 58087c478bd9Sstevel@tonic-gate ASSERT(cr == NULL); 58097c478bd9Sstevel@tonic-gate 58107c478bd9Sstevel@tonic-gate cr = crget(); 58117c478bd9Sstevel@tonic-gate ASSERT(cr != NULL); 58127c478bd9Sstevel@tonic-gate 58137c478bd9Sstevel@tonic-gate if (sec_svc_getcred(req, cr, &cs.principal, &cs.nfsflavor) == 0) { 5814f3b585ceSsamf DTRACE_NFSV4_2(compound__start, struct compound_state *, 5815f3b585ceSsamf &cs, COMPOUND4args *, args); 58167c478bd9Sstevel@tonic-gate crfree(cr); 5817f3b585ceSsamf DTRACE_NFSV4_2(compound__done, struct compound_state *, 5818f3b585ceSsamf &cs, COMPOUND4res *, resp); 58192e9d26a4Srmesta svcerr_badcred(req->rq_xprt); 58202e9d26a4Srmesta if (rv != NULL) 58212e9d26a4Srmesta *rv = 1; 58227c478bd9Sstevel@tonic-gate return; 58237c478bd9Sstevel@tonic-gate } 58242e9d26a4Srmesta resp->array_len = args->array_len; 58252e9d26a4Srmesta resp->array = kmem_zalloc(args->array_len * sizeof (nfs_resop4), 58262e9d26a4Srmesta KM_SLEEP); 58277c478bd9Sstevel@tonic-gate 58287c478bd9Sstevel@tonic-gate cs.basecr = cr; 58297c478bd9Sstevel@tonic-gate 5830f3b585ceSsamf DTRACE_NFSV4_2(compound__start, struct compound_state *, &cs, 5831f3b585ceSsamf COMPOUND4args *, args); 58327c478bd9Sstevel@tonic-gate 58337c478bd9Sstevel@tonic-gate /* 58347c478bd9Sstevel@tonic-gate * For now, NFS4 compound processing must be protected by 58357c478bd9Sstevel@tonic-gate * exported_lock because it can access more than one exportinfo 58367c478bd9Sstevel@tonic-gate * per compound and share/unshare can now change multiple 58377c478bd9Sstevel@tonic-gate * exinfo structs. The NFS2/3 code only refs 1 exportinfo 58387c478bd9Sstevel@tonic-gate * per proc (excluding public exinfo), and exi_count design 58397c478bd9Sstevel@tonic-gate * is sufficient to protect concurrent execution of NFS2/3 58407c478bd9Sstevel@tonic-gate * ops along with unexport. This lock will be removed as 58417c478bd9Sstevel@tonic-gate * part of the NFSv4 phase 2 namespace redesign work. 58427c478bd9Sstevel@tonic-gate */ 58437c478bd9Sstevel@tonic-gate rw_enter(&exported_lock, RW_READER); 58447c478bd9Sstevel@tonic-gate 58457c478bd9Sstevel@tonic-gate /* 58467c478bd9Sstevel@tonic-gate * If this is the first compound we've seen, we need to start all 58477c478bd9Sstevel@tonic-gate * new instances' grace periods. 58487c478bd9Sstevel@tonic-gate */ 58497c478bd9Sstevel@tonic-gate if (rfs4_seen_first_compound == 0) { 58507c478bd9Sstevel@tonic-gate rfs4_grace_start_new(); 58517c478bd9Sstevel@tonic-gate /* 58527c478bd9Sstevel@tonic-gate * This must be set after rfs4_grace_start_new(), otherwise 58537c478bd9Sstevel@tonic-gate * another thread could proceed past here before the former 58547c478bd9Sstevel@tonic-gate * is finished. 58557c478bd9Sstevel@tonic-gate */ 58567c478bd9Sstevel@tonic-gate rfs4_seen_first_compound = 1; 58577c478bd9Sstevel@tonic-gate } 58587c478bd9Sstevel@tonic-gate 58597c478bd9Sstevel@tonic-gate for (i = 0; i < args->array_len && cs.cont; i++) { 58607c478bd9Sstevel@tonic-gate nfs_argop4 *argop; 58617c478bd9Sstevel@tonic-gate nfs_resop4 *resop; 58627c478bd9Sstevel@tonic-gate uint_t op; 58637c478bd9Sstevel@tonic-gate 58647c478bd9Sstevel@tonic-gate argop = &args->array[i]; 58657c478bd9Sstevel@tonic-gate resop = &resp->array[i]; 58667c478bd9Sstevel@tonic-gate resop->resop = argop->argop; 58677c478bd9Sstevel@tonic-gate op = (uint_t)resop->resop; 58687c478bd9Sstevel@tonic-gate 58697c478bd9Sstevel@tonic-gate if (op < rfsv4disp_cnt) { 58707c478bd9Sstevel@tonic-gate /* 58717c478bd9Sstevel@tonic-gate * Count the individual ops here; NULL and COMPOUND 58727c478bd9Sstevel@tonic-gate * are counted in common_dispatch() 58737c478bd9Sstevel@tonic-gate */ 58747c478bd9Sstevel@tonic-gate rfsproccnt_v4_ptr[op].value.ui64++; 58757c478bd9Sstevel@tonic-gate 58767c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug > 1, 58777c478bd9Sstevel@tonic-gate (CE_NOTE, "Executing %s", rfs4_op_string[op])); 58787c478bd9Sstevel@tonic-gate (*rfsv4disptab[op].dis_proc)(argop, resop, req, &cs); 58791b300de9Sjwahlig NFS4_DEBUG(rfs4_debug > 1, (CE_NOTE, "%s returned %d", 58807c478bd9Sstevel@tonic-gate rfs4_op_string[op], *cs.statusp)); 58817c478bd9Sstevel@tonic-gate if (*cs.statusp != NFS4_OK) 58827c478bd9Sstevel@tonic-gate cs.cont = FALSE; 58837c478bd9Sstevel@tonic-gate } else { 58847c478bd9Sstevel@tonic-gate /* 58857c478bd9Sstevel@tonic-gate * This is effectively dead code since XDR code 58867c478bd9Sstevel@tonic-gate * will have already returned BADXDR if op doesn't 58877c478bd9Sstevel@tonic-gate * decode to legal value. This only done for a 58887c478bd9Sstevel@tonic-gate * day when XDR code doesn't verify v4 opcodes. 58897c478bd9Sstevel@tonic-gate */ 58907c478bd9Sstevel@tonic-gate op = OP_ILLEGAL; 58917c478bd9Sstevel@tonic-gate rfsproccnt_v4_ptr[OP_ILLEGAL_IDX].value.ui64++; 58927c478bd9Sstevel@tonic-gate 58937c478bd9Sstevel@tonic-gate rfs4_op_illegal(argop, resop, req, &cs); 58947c478bd9Sstevel@tonic-gate cs.cont = FALSE; 58957c478bd9Sstevel@tonic-gate } 58967c478bd9Sstevel@tonic-gate 58977c478bd9Sstevel@tonic-gate /* 58987c478bd9Sstevel@tonic-gate * If not at last op, and if we are to stop, then 58997c478bd9Sstevel@tonic-gate * compact the results array. 59007c478bd9Sstevel@tonic-gate */ 59017c478bd9Sstevel@tonic-gate if ((i + 1) < args->array_len && !cs.cont) { 59027c478bd9Sstevel@tonic-gate nfs_resop4 *new_res = kmem_alloc( 59037c478bd9Sstevel@tonic-gate (i+1) * sizeof (nfs_resop4), KM_SLEEP); 59047c478bd9Sstevel@tonic-gate bcopy(resp->array, 59057c478bd9Sstevel@tonic-gate new_res, (i+1) * sizeof (nfs_resop4)); 59067c478bd9Sstevel@tonic-gate kmem_free(resp->array, 59077c478bd9Sstevel@tonic-gate args->array_len * sizeof (nfs_resop4)); 59087c478bd9Sstevel@tonic-gate 59097c478bd9Sstevel@tonic-gate resp->array_len = i + 1; 59107c478bd9Sstevel@tonic-gate resp->array = new_res; 59117c478bd9Sstevel@tonic-gate } 59127c478bd9Sstevel@tonic-gate } 59137c478bd9Sstevel@tonic-gate 59147c478bd9Sstevel@tonic-gate rw_exit(&exported_lock); 59157c478bd9Sstevel@tonic-gate 5916f3b585ceSsamf DTRACE_NFSV4_2(compound__done, struct compound_state *, &cs, 5917f3b585ceSsamf COMPOUND4res *, resp); 5918f3b585ceSsamf 59197c478bd9Sstevel@tonic-gate if (cs.vp) 59207c478bd9Sstevel@tonic-gate VN_RELE(cs.vp); 59217c478bd9Sstevel@tonic-gate if (cs.saved_vp) 59227c478bd9Sstevel@tonic-gate VN_RELE(cs.saved_vp); 59237c478bd9Sstevel@tonic-gate if (cs.saved_fh.nfs_fh4_val) 59247c478bd9Sstevel@tonic-gate kmem_free(cs.saved_fh.nfs_fh4_val, NFS4_FHSIZE); 59257c478bd9Sstevel@tonic-gate 59267c478bd9Sstevel@tonic-gate if (cs.basecr) 59277c478bd9Sstevel@tonic-gate crfree(cs.basecr); 59287c478bd9Sstevel@tonic-gate if (cs.cr) 59297c478bd9Sstevel@tonic-gate crfree(cs.cr); 593045916cd2Sjpk /* 593145916cd2Sjpk * done with this compound request, free the label 593245916cd2Sjpk */ 593345916cd2Sjpk 593445916cd2Sjpk if (req->rq_label != NULL) { 593545916cd2Sjpk kmem_free(req->rq_label, sizeof (bslabel_t)); 593645916cd2Sjpk req->rq_label = NULL; 593745916cd2Sjpk } 59387c478bd9Sstevel@tonic-gate } 59397c478bd9Sstevel@tonic-gate 59407c478bd9Sstevel@tonic-gate /* 59417c478bd9Sstevel@tonic-gate * XXX because of what appears to be duplicate calls to rfs4_compound_free 59427c478bd9Sstevel@tonic-gate * XXX zero out the tag and array values. Need to investigate why the 59437c478bd9Sstevel@tonic-gate * XXX calls occur, but at least prevent the panic for now. 59447c478bd9Sstevel@tonic-gate */ 59457c478bd9Sstevel@tonic-gate void 59467c478bd9Sstevel@tonic-gate rfs4_compound_free(COMPOUND4res *resp) 59477c478bd9Sstevel@tonic-gate { 59487c478bd9Sstevel@tonic-gate uint_t i; 59497c478bd9Sstevel@tonic-gate 59507c478bd9Sstevel@tonic-gate if (resp->tag.utf8string_val) { 59517c478bd9Sstevel@tonic-gate UTF8STRING_FREE(resp->tag) 59527c478bd9Sstevel@tonic-gate } 59537c478bd9Sstevel@tonic-gate 59547c478bd9Sstevel@tonic-gate for (i = 0; i < resp->array_len; i++) { 59557c478bd9Sstevel@tonic-gate nfs_resop4 *resop; 59567c478bd9Sstevel@tonic-gate uint_t op; 59577c478bd9Sstevel@tonic-gate 59587c478bd9Sstevel@tonic-gate resop = &resp->array[i]; 59597c478bd9Sstevel@tonic-gate op = (uint_t)resop->resop; 59607c478bd9Sstevel@tonic-gate if (op < rfsv4disp_cnt) { 59617c478bd9Sstevel@tonic-gate (*rfsv4disptab[op].dis_resfree)(resop); 59627c478bd9Sstevel@tonic-gate } 59637c478bd9Sstevel@tonic-gate } 59647c478bd9Sstevel@tonic-gate if (resp->array != NULL) { 59657c478bd9Sstevel@tonic-gate kmem_free(resp->array, resp->array_len * sizeof (nfs_resop4)); 59667c478bd9Sstevel@tonic-gate } 59677c478bd9Sstevel@tonic-gate } 59687c478bd9Sstevel@tonic-gate 59697c478bd9Sstevel@tonic-gate /* 59707c478bd9Sstevel@tonic-gate * Process the value of the compound request rpc flags, as a bit-AND 59717c478bd9Sstevel@tonic-gate * of the individual per-op flags (idempotent, allowork, publicfh_ok) 59727c478bd9Sstevel@tonic-gate */ 59737c478bd9Sstevel@tonic-gate void 59747c478bd9Sstevel@tonic-gate rfs4_compound_flagproc(COMPOUND4args *args, int *flagp) 59757c478bd9Sstevel@tonic-gate { 59767c478bd9Sstevel@tonic-gate int i; 59777c478bd9Sstevel@tonic-gate int flag = RPC_ALL; 59787c478bd9Sstevel@tonic-gate 59797c478bd9Sstevel@tonic-gate for (i = 0; flag && i < args->array_len; i++) { 59807c478bd9Sstevel@tonic-gate uint_t op; 59817c478bd9Sstevel@tonic-gate 59827c478bd9Sstevel@tonic-gate op = (uint_t)args->array[i].argop; 59837c478bd9Sstevel@tonic-gate 59847c478bd9Sstevel@tonic-gate if (op < rfsv4disp_cnt) 59857c478bd9Sstevel@tonic-gate flag &= rfsv4disptab[op].dis_flags; 59867c478bd9Sstevel@tonic-gate else 59877c478bd9Sstevel@tonic-gate flag = 0; 59887c478bd9Sstevel@tonic-gate } 59897c478bd9Sstevel@tonic-gate *flagp = flag; 59907c478bd9Sstevel@tonic-gate } 59917c478bd9Sstevel@tonic-gate 59927c478bd9Sstevel@tonic-gate nfsstat4 59937c478bd9Sstevel@tonic-gate rfs4_client_sysid(rfs4_client_t *cp, sysid_t *sp) 59947c478bd9Sstevel@tonic-gate { 59957c478bd9Sstevel@tonic-gate nfsstat4 e; 59967c478bd9Sstevel@tonic-gate 5997d216dff5SRobert Mastors rfs4_dbe_lock(cp->rc_dbe); 59987c478bd9Sstevel@tonic-gate 5999d216dff5SRobert Mastors if (cp->rc_sysidt != LM_NOSYSID) { 6000d216dff5SRobert Mastors *sp = cp->rc_sysidt; 60017c478bd9Sstevel@tonic-gate e = NFS4_OK; 60027c478bd9Sstevel@tonic-gate 6003d216dff5SRobert Mastors } else if ((cp->rc_sysidt = lm_alloc_sysidt()) != LM_NOSYSID) { 6004d216dff5SRobert Mastors *sp = cp->rc_sysidt; 60057c478bd9Sstevel@tonic-gate e = NFS4_OK; 60067c478bd9Sstevel@tonic-gate 60077c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, (CE_NOTE, 60087c478bd9Sstevel@tonic-gate "rfs4_client_sysid: allocated 0x%x\n", *sp)); 60097c478bd9Sstevel@tonic-gate } else 60107c478bd9Sstevel@tonic-gate e = NFS4ERR_DELAY; 60117c478bd9Sstevel@tonic-gate 6012d216dff5SRobert Mastors rfs4_dbe_unlock(cp->rc_dbe); 60137c478bd9Sstevel@tonic-gate return (e); 60147c478bd9Sstevel@tonic-gate } 60157c478bd9Sstevel@tonic-gate 60167c478bd9Sstevel@tonic-gate #if defined(DEBUG) && ! defined(lint) 60177c478bd9Sstevel@tonic-gate static void lock_print(char *str, int operation, struct flock64 *flk) 60187c478bd9Sstevel@tonic-gate { 60197c478bd9Sstevel@tonic-gate char *op, *type; 60207c478bd9Sstevel@tonic-gate 60217c478bd9Sstevel@tonic-gate switch (operation) { 60227c478bd9Sstevel@tonic-gate case F_GETLK: op = "F_GETLK"; 60237c478bd9Sstevel@tonic-gate break; 60247c478bd9Sstevel@tonic-gate case F_SETLK: op = "F_SETLK"; 60257c478bd9Sstevel@tonic-gate break; 6026da6c28aaSamw case F_SETLK_NBMAND: op = "F_SETLK_NBMAND"; 6027da6c28aaSamw break; 60287c478bd9Sstevel@tonic-gate default: op = "F_UNKNOWN"; 60297c478bd9Sstevel@tonic-gate break; 60307c478bd9Sstevel@tonic-gate } 60317c478bd9Sstevel@tonic-gate switch (flk->l_type) { 60327c478bd9Sstevel@tonic-gate case F_UNLCK: type = "F_UNLCK"; 60337c478bd9Sstevel@tonic-gate break; 60347c478bd9Sstevel@tonic-gate case F_RDLCK: type = "F_RDLCK"; 60357c478bd9Sstevel@tonic-gate break; 60367c478bd9Sstevel@tonic-gate case F_WRLCK: type = "F_WRLCK"; 60377c478bd9Sstevel@tonic-gate break; 60387c478bd9Sstevel@tonic-gate default: type = "F_UNKNOWN"; 60397c478bd9Sstevel@tonic-gate break; 60407c478bd9Sstevel@tonic-gate } 60417c478bd9Sstevel@tonic-gate 60427c478bd9Sstevel@tonic-gate ASSERT(flk->l_whence == 0); 60437c478bd9Sstevel@tonic-gate cmn_err(CE_NOTE, "%s: %s, type = %s, off = %llx len = %llx pid = %d", 60441b300de9Sjwahlig str, op, type, (longlong_t)flk->l_start, 60451b300de9Sjwahlig flk->l_len ? (longlong_t)flk->l_len : ~0LL, flk->l_pid); 60467c478bd9Sstevel@tonic-gate } 60477c478bd9Sstevel@tonic-gate 60487c478bd9Sstevel@tonic-gate #define LOCK_PRINT(d, s, t, f) if (d) lock_print(s, t, f) 60497c478bd9Sstevel@tonic-gate #else 60507c478bd9Sstevel@tonic-gate #define LOCK_PRINT(d, s, t, f) 60517c478bd9Sstevel@tonic-gate #endif 60527c478bd9Sstevel@tonic-gate 60537c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 60547c478bd9Sstevel@tonic-gate static bool_t 60557c478bd9Sstevel@tonic-gate creds_ok(cred_set_t cr_set, struct svc_req *req, struct compound_state *cs) 60567c478bd9Sstevel@tonic-gate { 60577c478bd9Sstevel@tonic-gate return (TRUE); 60587c478bd9Sstevel@tonic-gate } 60597c478bd9Sstevel@tonic-gate 60607c478bd9Sstevel@tonic-gate /* 60617c478bd9Sstevel@tonic-gate * Look up the pathname using the vp in cs as the directory vnode. 60627c478bd9Sstevel@tonic-gate * cs->vp will be the vnode for the file on success 60637c478bd9Sstevel@tonic-gate */ 60647c478bd9Sstevel@tonic-gate 60657c478bd9Sstevel@tonic-gate static nfsstat4 60667c478bd9Sstevel@tonic-gate rfs4_lookup(component4 *component, struct svc_req *req, 60677c478bd9Sstevel@tonic-gate struct compound_state *cs) 60687c478bd9Sstevel@tonic-gate { 60697c478bd9Sstevel@tonic-gate char *nm; 60707c478bd9Sstevel@tonic-gate uint32_t len; 60717c478bd9Sstevel@tonic-gate nfsstat4 status; 6072593cc11bSJan Kryl struct sockaddr *ca; 6073593cc11bSJan Kryl char *name; 60747c478bd9Sstevel@tonic-gate 60757c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 60767c478bd9Sstevel@tonic-gate return (NFS4ERR_NOFILEHANDLE); 60777c478bd9Sstevel@tonic-gate } 60787c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VDIR) { 60797c478bd9Sstevel@tonic-gate return (NFS4ERR_NOTDIR); 60807c478bd9Sstevel@tonic-gate } 60817c478bd9Sstevel@tonic-gate 60827c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(component)) 60837c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 60847c478bd9Sstevel@tonic-gate 60857c478bd9Sstevel@tonic-gate nm = utf8_to_fn(component, &len, NULL); 60867c478bd9Sstevel@tonic-gate if (nm == NULL) { 60877c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 60887c478bd9Sstevel@tonic-gate } 60897c478bd9Sstevel@tonic-gate 60907c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 60917c478bd9Sstevel@tonic-gate kmem_free(nm, len); 60927c478bd9Sstevel@tonic-gate return (NFS4ERR_NAMETOOLONG); 60937c478bd9Sstevel@tonic-gate } 60947c478bd9Sstevel@tonic-gate 6095593cc11bSJan Kryl ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 6096593cc11bSJan Kryl name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 6097593cc11bSJan Kryl MAXPATHLEN + 1); 6098593cc11bSJan Kryl 6099593cc11bSJan Kryl if (name == NULL) { 6100593cc11bSJan Kryl kmem_free(nm, len); 6101593cc11bSJan Kryl return (NFS4ERR_INVAL); 6102593cc11bSJan Kryl } 6103593cc11bSJan Kryl 6104593cc11bSJan Kryl status = do_rfs4_op_lookup(name, req, cs); 6105593cc11bSJan Kryl 6106593cc11bSJan Kryl if (name != nm) 6107593cc11bSJan Kryl kmem_free(name, MAXPATHLEN + 1); 61087c478bd9Sstevel@tonic-gate 61097c478bd9Sstevel@tonic-gate kmem_free(nm, len); 61107c478bd9Sstevel@tonic-gate 61117c478bd9Sstevel@tonic-gate return (status); 61127c478bd9Sstevel@tonic-gate } 61137c478bd9Sstevel@tonic-gate 61147c478bd9Sstevel@tonic-gate static nfsstat4 61157c478bd9Sstevel@tonic-gate rfs4_lookupfile(component4 *component, struct svc_req *req, 6116d216dff5SRobert Mastors struct compound_state *cs, uint32_t access, change_info4 *cinfo) 61177c478bd9Sstevel@tonic-gate { 61187c478bd9Sstevel@tonic-gate nfsstat4 status; 61197c478bd9Sstevel@tonic-gate vnode_t *dvp = cs->vp; 61207c478bd9Sstevel@tonic-gate vattr_t bva, ava, fva; 61217c478bd9Sstevel@tonic-gate int error; 61227c478bd9Sstevel@tonic-gate 61237c478bd9Sstevel@tonic-gate /* Get "before" change value */ 61247c478bd9Sstevel@tonic-gate bva.va_mask = AT_CTIME|AT_SEQ; 6125da6c28aaSamw error = VOP_GETATTR(dvp, &bva, 0, cs->cr, NULL); 61267c478bd9Sstevel@tonic-gate if (error) 61277c478bd9Sstevel@tonic-gate return (puterrno4(error)); 61287c478bd9Sstevel@tonic-gate 61297c478bd9Sstevel@tonic-gate /* rfs4_lookup may VN_RELE directory */ 61307c478bd9Sstevel@tonic-gate VN_HOLD(dvp); 61317c478bd9Sstevel@tonic-gate 61327c478bd9Sstevel@tonic-gate status = rfs4_lookup(component, req, cs); 61337c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 61347c478bd9Sstevel@tonic-gate VN_RELE(dvp); 61357c478bd9Sstevel@tonic-gate return (status); 61367c478bd9Sstevel@tonic-gate } 61377c478bd9Sstevel@tonic-gate 61387c478bd9Sstevel@tonic-gate /* 61397c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 61407c478bd9Sstevel@tonic-gate * before value. 61417c478bd9Sstevel@tonic-gate */ 61427c478bd9Sstevel@tonic-gate ava.va_mask = AT_CTIME|AT_SEQ; 6143da6c28aaSamw if (VOP_GETATTR(dvp, &ava, 0, cs->cr, NULL)) { 61447c478bd9Sstevel@tonic-gate ava.va_ctime = bva.va_ctime; 61457c478bd9Sstevel@tonic-gate ava.va_seq = 0; 61467c478bd9Sstevel@tonic-gate } 61477c478bd9Sstevel@tonic-gate VN_RELE(dvp); 61487c478bd9Sstevel@tonic-gate 61497c478bd9Sstevel@tonic-gate /* 61507c478bd9Sstevel@tonic-gate * Validate the file is a file 61517c478bd9Sstevel@tonic-gate */ 61527c478bd9Sstevel@tonic-gate fva.va_mask = AT_TYPE|AT_MODE; 6153da6c28aaSamw error = VOP_GETATTR(cs->vp, &fva, 0, cs->cr, NULL); 61547c478bd9Sstevel@tonic-gate if (error) 61557c478bd9Sstevel@tonic-gate return (puterrno4(error)); 61567c478bd9Sstevel@tonic-gate 61577c478bd9Sstevel@tonic-gate if (fva.va_type != VREG) { 61587c478bd9Sstevel@tonic-gate if (fva.va_type == VDIR) 61597c478bd9Sstevel@tonic-gate return (NFS4ERR_ISDIR); 61607c478bd9Sstevel@tonic-gate if (fva.va_type == VLNK) 61617c478bd9Sstevel@tonic-gate return (NFS4ERR_SYMLINK); 61627c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 61637c478bd9Sstevel@tonic-gate } 61647c478bd9Sstevel@tonic-gate 61657c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->before, bva.va_ctime); 61667c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->after, ava.va_ctime); 61677c478bd9Sstevel@tonic-gate 61687c478bd9Sstevel@tonic-gate /* 61697c478bd9Sstevel@tonic-gate * It is undefined if VOP_LOOKUP will change va_seq, so 61707c478bd9Sstevel@tonic-gate * cinfo.atomic = TRUE only if we have 61717c478bd9Sstevel@tonic-gate * non-zero va_seq's, and they have not changed. 61727c478bd9Sstevel@tonic-gate */ 61737c478bd9Sstevel@tonic-gate if (bva.va_seq && ava.va_seq && ava.va_seq == bva.va_seq) 61747c478bd9Sstevel@tonic-gate cinfo->atomic = TRUE; 61757c478bd9Sstevel@tonic-gate else 61767c478bd9Sstevel@tonic-gate cinfo->atomic = FALSE; 61777c478bd9Sstevel@tonic-gate 61787c478bd9Sstevel@tonic-gate /* Check for mandatory locking */ 61797c478bd9Sstevel@tonic-gate cs->mandlock = MANDLOCK(cs->vp, fva.va_mode); 61807c478bd9Sstevel@tonic-gate return (check_open_access(access, cs, req)); 61817c478bd9Sstevel@tonic-gate } 61827c478bd9Sstevel@tonic-gate 61837c478bd9Sstevel@tonic-gate static nfsstat4 61847c478bd9Sstevel@tonic-gate create_vnode(vnode_t *dvp, char *nm, vattr_t *vap, createmode4 mode, 61857c478bd9Sstevel@tonic-gate timespec32_t *mtime, cred_t *cr, vnode_t **vpp, bool_t *created) 61867c478bd9Sstevel@tonic-gate { 61877c478bd9Sstevel@tonic-gate int error; 61887c478bd9Sstevel@tonic-gate nfsstat4 status = NFS4_OK; 61897c478bd9Sstevel@tonic-gate vattr_t va; 61907c478bd9Sstevel@tonic-gate 61917c478bd9Sstevel@tonic-gate tryagain: 61927c478bd9Sstevel@tonic-gate 61937c478bd9Sstevel@tonic-gate /* 61947c478bd9Sstevel@tonic-gate * The file open mode used is VWRITE. If the client needs 61957c478bd9Sstevel@tonic-gate * some other semantic, then it should do the access checking 61967c478bd9Sstevel@tonic-gate * itself. It would have been nice to have the file open mode 61977c478bd9Sstevel@tonic-gate * passed as part of the arguments. 61987c478bd9Sstevel@tonic-gate */ 61997c478bd9Sstevel@tonic-gate 62007c478bd9Sstevel@tonic-gate *created = TRUE; 6201da6c28aaSamw error = VOP_CREATE(dvp, nm, vap, EXCL, VWRITE, vpp, cr, 0, NULL, NULL); 62027c478bd9Sstevel@tonic-gate 62037c478bd9Sstevel@tonic-gate if (error) { 62047c478bd9Sstevel@tonic-gate *created = FALSE; 62057c478bd9Sstevel@tonic-gate 62067c478bd9Sstevel@tonic-gate /* 62077c478bd9Sstevel@tonic-gate * If we got something other than file already exists 62087c478bd9Sstevel@tonic-gate * then just return this error. Otherwise, we got 62097c478bd9Sstevel@tonic-gate * EEXIST. If we were doing a GUARDED create, then 62107c478bd9Sstevel@tonic-gate * just return this error. Otherwise, we need to 62117c478bd9Sstevel@tonic-gate * make sure that this wasn't a duplicate of an 62127c478bd9Sstevel@tonic-gate * exclusive create request. 62137c478bd9Sstevel@tonic-gate * 62147c478bd9Sstevel@tonic-gate * The assumption is made that a non-exclusive create 62157c478bd9Sstevel@tonic-gate * request will never return EEXIST. 62167c478bd9Sstevel@tonic-gate */ 62177c478bd9Sstevel@tonic-gate 62187c478bd9Sstevel@tonic-gate if (error != EEXIST || mode == GUARDED4) { 62197c478bd9Sstevel@tonic-gate status = puterrno4(error); 62207c478bd9Sstevel@tonic-gate return (status); 62217c478bd9Sstevel@tonic-gate } 6222da6c28aaSamw error = VOP_LOOKUP(dvp, nm, vpp, NULL, 0, NULL, cr, 6223da6c28aaSamw NULL, NULL, NULL); 62247c478bd9Sstevel@tonic-gate 62257c478bd9Sstevel@tonic-gate if (error) { 62267c478bd9Sstevel@tonic-gate /* 62277c478bd9Sstevel@tonic-gate * We couldn't find the file that we thought that 62287c478bd9Sstevel@tonic-gate * we just created. So, we'll just try creating 62297c478bd9Sstevel@tonic-gate * it again. 62307c478bd9Sstevel@tonic-gate */ 62317c478bd9Sstevel@tonic-gate if (error == ENOENT) 62327c478bd9Sstevel@tonic-gate goto tryagain; 62337c478bd9Sstevel@tonic-gate 62347c478bd9Sstevel@tonic-gate status = puterrno4(error); 62357c478bd9Sstevel@tonic-gate return (status); 62367c478bd9Sstevel@tonic-gate } 62377c478bd9Sstevel@tonic-gate 62387c478bd9Sstevel@tonic-gate if (mode == UNCHECKED4) { 62397c478bd9Sstevel@tonic-gate /* existing object must be regular file */ 62407c478bd9Sstevel@tonic-gate if ((*vpp)->v_type != VREG) { 62417c478bd9Sstevel@tonic-gate if ((*vpp)->v_type == VDIR) 62427c478bd9Sstevel@tonic-gate status = NFS4ERR_ISDIR; 62437c478bd9Sstevel@tonic-gate else if ((*vpp)->v_type == VLNK) 62447c478bd9Sstevel@tonic-gate status = NFS4ERR_SYMLINK; 62457c478bd9Sstevel@tonic-gate else 62467c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 62477c478bd9Sstevel@tonic-gate VN_RELE(*vpp); 62487c478bd9Sstevel@tonic-gate return (status); 62497c478bd9Sstevel@tonic-gate } 62507c478bd9Sstevel@tonic-gate 62517c478bd9Sstevel@tonic-gate return (NFS4_OK); 62527c478bd9Sstevel@tonic-gate } 62537c478bd9Sstevel@tonic-gate 62547c478bd9Sstevel@tonic-gate /* Check for duplicate request */ 62557c478bd9Sstevel@tonic-gate ASSERT(mtime != 0); 62567c478bd9Sstevel@tonic-gate va.va_mask = AT_MTIME; 6257da6c28aaSamw error = VOP_GETATTR(*vpp, &va, 0, cr, NULL); 62587c478bd9Sstevel@tonic-gate if (!error) { 62597c478bd9Sstevel@tonic-gate /* We found the file */ 62607c478bd9Sstevel@tonic-gate if (va.va_mtime.tv_sec != mtime->tv_sec || 62617c478bd9Sstevel@tonic-gate va.va_mtime.tv_nsec != mtime->tv_nsec) { 62627c478bd9Sstevel@tonic-gate /* but its not our creation */ 62637c478bd9Sstevel@tonic-gate VN_RELE(*vpp); 62647c478bd9Sstevel@tonic-gate return (NFS4ERR_EXIST); 62657c478bd9Sstevel@tonic-gate } 62667c478bd9Sstevel@tonic-gate *created = TRUE; /* retrans of create == created */ 62677c478bd9Sstevel@tonic-gate return (NFS4_OK); 62687c478bd9Sstevel@tonic-gate } 62697c478bd9Sstevel@tonic-gate VN_RELE(*vpp); 62707c478bd9Sstevel@tonic-gate return (NFS4ERR_EXIST); 62717c478bd9Sstevel@tonic-gate } 62727c478bd9Sstevel@tonic-gate 62737c478bd9Sstevel@tonic-gate return (NFS4_OK); 62747c478bd9Sstevel@tonic-gate } 62757c478bd9Sstevel@tonic-gate 62767c478bd9Sstevel@tonic-gate static nfsstat4 6277d216dff5SRobert Mastors check_open_access(uint32_t access, struct compound_state *cs, 6278d216dff5SRobert Mastors struct svc_req *req) 62797c478bd9Sstevel@tonic-gate { 62807c478bd9Sstevel@tonic-gate int error; 62817c478bd9Sstevel@tonic-gate vnode_t *vp; 62827c478bd9Sstevel@tonic-gate bool_t readonly; 62837c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 62847c478bd9Sstevel@tonic-gate 62857c478bd9Sstevel@tonic-gate /* For now we don't allow mandatory locking as per V2/V3 */ 62867c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED || cs->mandlock) { 62877c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 62887c478bd9Sstevel@tonic-gate } 62897c478bd9Sstevel@tonic-gate 62907c478bd9Sstevel@tonic-gate vp = cs->vp; 62917c478bd9Sstevel@tonic-gate ASSERT(cr != NULL && vp->v_type == VREG); 62927c478bd9Sstevel@tonic-gate 62937c478bd9Sstevel@tonic-gate /* 62947c478bd9Sstevel@tonic-gate * If the file system is exported read only and we are trying 62957c478bd9Sstevel@tonic-gate * to open for write, then return NFS4ERR_ROFS 62967c478bd9Sstevel@tonic-gate */ 62977c478bd9Sstevel@tonic-gate 62987c478bd9Sstevel@tonic-gate readonly = rdonly4(cs->exi, cs->vp, req); 62997c478bd9Sstevel@tonic-gate 63007c478bd9Sstevel@tonic-gate if ((access & OPEN4_SHARE_ACCESS_WRITE) && readonly) 63017c478bd9Sstevel@tonic-gate return (NFS4ERR_ROFS); 63027c478bd9Sstevel@tonic-gate 63037c478bd9Sstevel@tonic-gate if (access & OPEN4_SHARE_ACCESS_READ) { 6304da6c28aaSamw if ((VOP_ACCESS(vp, VREAD, 0, cr, NULL) != 0) && 6305da6c28aaSamw (VOP_ACCESS(vp, VEXEC, 0, cr, NULL) != 0)) { 63067c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 63077c478bd9Sstevel@tonic-gate } 63087c478bd9Sstevel@tonic-gate } 63097c478bd9Sstevel@tonic-gate 63107c478bd9Sstevel@tonic-gate if (access & OPEN4_SHARE_ACCESS_WRITE) { 6311da6c28aaSamw error = VOP_ACCESS(vp, VWRITE, 0, cr, NULL); 63127c478bd9Sstevel@tonic-gate if (error) 63137c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 63147c478bd9Sstevel@tonic-gate } 63157c478bd9Sstevel@tonic-gate 63167c478bd9Sstevel@tonic-gate return (NFS4_OK); 63177c478bd9Sstevel@tonic-gate } 63187c478bd9Sstevel@tonic-gate 63197c478bd9Sstevel@tonic-gate static nfsstat4 63207c478bd9Sstevel@tonic-gate rfs4_createfile(OPEN4args *args, struct svc_req *req, struct compound_state *cs, 63217c478bd9Sstevel@tonic-gate change_info4 *cinfo, bitmap4 *attrset, clientid4 clientid) 63227c478bd9Sstevel@tonic-gate { 63237c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 63247c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 63257c478bd9Sstevel@tonic-gate 63267c478bd9Sstevel@tonic-gate bool_t ntov_table_init = FALSE; 63277c478bd9Sstevel@tonic-gate struct statvfs64 sb; 63287c478bd9Sstevel@tonic-gate nfsstat4 status; 63297c478bd9Sstevel@tonic-gate vnode_t *vp; 63307c478bd9Sstevel@tonic-gate vattr_t bva, ava, iva, cva, *vap; 63317c478bd9Sstevel@tonic-gate vnode_t *dvp; 63327c478bd9Sstevel@tonic-gate timespec32_t *mtime; 63337c478bd9Sstevel@tonic-gate char *nm = NULL; 63347c478bd9Sstevel@tonic-gate uint_t buflen; 63357c478bd9Sstevel@tonic-gate bool_t created; 63367c478bd9Sstevel@tonic-gate bool_t setsize = FALSE; 63377c478bd9Sstevel@tonic-gate len_t reqsize; 63387c478bd9Sstevel@tonic-gate int error; 63397c478bd9Sstevel@tonic-gate bool_t trunc; 63407c478bd9Sstevel@tonic-gate caller_context_t ct; 63417c478bd9Sstevel@tonic-gate component4 *component; 634245916cd2Sjpk bslabel_t *clabel; 6343b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 6344b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 63457c478bd9Sstevel@tonic-gate 63467c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 63472f172c55SRobert Thurlow sarg.is_referral = B_FALSE; 63487c478bd9Sstevel@tonic-gate 63497c478bd9Sstevel@tonic-gate dvp = cs->vp; 63507c478bd9Sstevel@tonic-gate 63517c478bd9Sstevel@tonic-gate /* Check if the file system is read only */ 63527c478bd9Sstevel@tonic-gate if (rdonly4(cs->exi, dvp, req)) 63537c478bd9Sstevel@tonic-gate return (NFS4ERR_ROFS); 63547c478bd9Sstevel@tonic-gate 635545916cd2Sjpk /* check the label of including directory */ 635645916cd2Sjpk if (is_system_labeled()) { 635745916cd2Sjpk ASSERT(req->rq_label != NULL); 635845916cd2Sjpk clabel = req->rq_label; 635945916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__opremove__clabel, char *, 636045916cd2Sjpk "got client label from request(1)", 636145916cd2Sjpk struct svc_req *, req); 636245916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 6363bd6f1640SJarrett Lu if (!do_rfs_label_check(clabel, dvp, EQUALITY_CHECK, 6364bd6f1640SJarrett Lu cs->exi)) { 636545916cd2Sjpk return (NFS4ERR_ACCESS); 636645916cd2Sjpk } 636745916cd2Sjpk } 636845916cd2Sjpk } 636945916cd2Sjpk 63707c478bd9Sstevel@tonic-gate /* 63717c478bd9Sstevel@tonic-gate * Get the last component of path name in nm. cs will reference 63727c478bd9Sstevel@tonic-gate * the including directory on success. 63737c478bd9Sstevel@tonic-gate */ 63747c478bd9Sstevel@tonic-gate component = &args->open_claim4_u.file; 63757c478bd9Sstevel@tonic-gate if (!utf8_dir_verify(component)) 63767c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 63777c478bd9Sstevel@tonic-gate 63787c478bd9Sstevel@tonic-gate nm = utf8_to_fn(component, &buflen, NULL); 63797c478bd9Sstevel@tonic-gate 63807c478bd9Sstevel@tonic-gate if (nm == NULL) 63817c478bd9Sstevel@tonic-gate return (NFS4ERR_RESOURCE); 63827c478bd9Sstevel@tonic-gate 63837c478bd9Sstevel@tonic-gate if (buflen > MAXNAMELEN) { 63847c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 63857c478bd9Sstevel@tonic-gate return (NFS4ERR_NAMETOOLONG); 63867c478bd9Sstevel@tonic-gate } 63877c478bd9Sstevel@tonic-gate 63887c478bd9Sstevel@tonic-gate bva.va_mask = AT_TYPE|AT_CTIME|AT_SEQ; 6389da6c28aaSamw error = VOP_GETATTR(dvp, &bva, 0, cs->cr, NULL); 63907c478bd9Sstevel@tonic-gate if (error) { 63917c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 63927c478bd9Sstevel@tonic-gate return (puterrno4(error)); 63937c478bd9Sstevel@tonic-gate } 63947c478bd9Sstevel@tonic-gate 63957c478bd9Sstevel@tonic-gate if (bva.va_type != VDIR) { 63967c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 63977c478bd9Sstevel@tonic-gate return (NFS4ERR_NOTDIR); 63987c478bd9Sstevel@tonic-gate } 63997c478bd9Sstevel@tonic-gate 64007c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->before, bva.va_ctime) 64017c478bd9Sstevel@tonic-gate 64027c478bd9Sstevel@tonic-gate switch (args->mode) { 64037c478bd9Sstevel@tonic-gate case GUARDED4: 64047c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 64057c478bd9Sstevel@tonic-gate case UNCHECKED4: 64067c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 64077c478bd9Sstevel@tonic-gate ntov_table_init = TRUE; 64087c478bd9Sstevel@tonic-gate 64097c478bd9Sstevel@tonic-gate *attrset = 0; 64107c478bd9Sstevel@tonic-gate status = do_rfs4_set_attrs(attrset, 64117c478bd9Sstevel@tonic-gate &args->createhow4_u.createattrs, 64127c478bd9Sstevel@tonic-gate cs, &sarg, &ntov, NFS4ATTR_SETIT); 64137c478bd9Sstevel@tonic-gate 64147c478bd9Sstevel@tonic-gate if (status == NFS4_OK && (sarg.vap->va_mask & AT_TYPE) && 64157c478bd9Sstevel@tonic-gate sarg.vap->va_type != VREG) { 64167c478bd9Sstevel@tonic-gate if (sarg.vap->va_type == VDIR) 64177c478bd9Sstevel@tonic-gate status = NFS4ERR_ISDIR; 64187c478bd9Sstevel@tonic-gate else if (sarg.vap->va_type == VLNK) 64197c478bd9Sstevel@tonic-gate status = NFS4ERR_SYMLINK; 64207c478bd9Sstevel@tonic-gate else 64217c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 64227c478bd9Sstevel@tonic-gate } 64237c478bd9Sstevel@tonic-gate 64247c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 64257c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 64267c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 64277c478bd9Sstevel@tonic-gate *attrset = 0; 64287c478bd9Sstevel@tonic-gate return (status); 64297c478bd9Sstevel@tonic-gate } 64307c478bd9Sstevel@tonic-gate 64317c478bd9Sstevel@tonic-gate vap = sarg.vap; 64327c478bd9Sstevel@tonic-gate vap->va_type = VREG; 64337c478bd9Sstevel@tonic-gate vap->va_mask |= AT_TYPE; 64347c478bd9Sstevel@tonic-gate 64357c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_MODE) == 0) { 64367c478bd9Sstevel@tonic-gate vap->va_mask |= AT_MODE; 64377c478bd9Sstevel@tonic-gate vap->va_mode = (mode_t)0600; 64387c478bd9Sstevel@tonic-gate } 64397c478bd9Sstevel@tonic-gate 64407c478bd9Sstevel@tonic-gate if (vap->va_mask & AT_SIZE) { 64417c478bd9Sstevel@tonic-gate 64427c478bd9Sstevel@tonic-gate /* Disallow create with a non-zero size */ 64437c478bd9Sstevel@tonic-gate 64447c478bd9Sstevel@tonic-gate if ((reqsize = sarg.vap->va_size) != 0) { 64457c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 64467c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 64477c478bd9Sstevel@tonic-gate *attrset = 0; 64487c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 64497c478bd9Sstevel@tonic-gate } 64507c478bd9Sstevel@tonic-gate setsize = TRUE; 64517c478bd9Sstevel@tonic-gate } 64527c478bd9Sstevel@tonic-gate break; 64537c478bd9Sstevel@tonic-gate 64547c478bd9Sstevel@tonic-gate case EXCLUSIVE4: 64557c478bd9Sstevel@tonic-gate /* prohibit EXCL create of named attributes */ 64567c478bd9Sstevel@tonic-gate if (dvp->v_flag & V_XATTRDIR) { 64577c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 64587c478bd9Sstevel@tonic-gate *attrset = 0; 64597c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 64607c478bd9Sstevel@tonic-gate } 64617c478bd9Sstevel@tonic-gate 64627c478bd9Sstevel@tonic-gate cva.va_mask = AT_TYPE | AT_MTIME | AT_MODE; 64637c478bd9Sstevel@tonic-gate cva.va_type = VREG; 64647c478bd9Sstevel@tonic-gate /* 64657c478bd9Sstevel@tonic-gate * Ensure no time overflows. Assumes underlying 64667c478bd9Sstevel@tonic-gate * filesystem supports at least 32 bits. 64677c478bd9Sstevel@tonic-gate * Truncate nsec to usec resolution to allow valid 64687c478bd9Sstevel@tonic-gate * compares even if the underlying filesystem truncates. 64697c478bd9Sstevel@tonic-gate */ 64707c478bd9Sstevel@tonic-gate mtime = (timespec32_t *)&args->createhow4_u.createverf; 64717c478bd9Sstevel@tonic-gate cva.va_mtime.tv_sec = mtime->tv_sec % TIME32_MAX; 64727c478bd9Sstevel@tonic-gate cva.va_mtime.tv_nsec = (mtime->tv_nsec / 1000) * 1000; 64737c478bd9Sstevel@tonic-gate cva.va_mode = (mode_t)0; 64747c478bd9Sstevel@tonic-gate vap = &cva; 6475476ea8c9SJeff A. Smith 6476476ea8c9SJeff A. Smith /* 6477476ea8c9SJeff A. Smith * For EXCL create, attrset is set to the server attr 6478476ea8c9SJeff A. Smith * used to cache the client's verifier. 6479476ea8c9SJeff A. Smith */ 6480476ea8c9SJeff A. Smith *attrset = FATTR4_TIME_MODIFY_MASK; 64817c478bd9Sstevel@tonic-gate break; 64827c478bd9Sstevel@tonic-gate } 64837c478bd9Sstevel@tonic-gate 6484b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 6485b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 6486b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 6487b89a8333Snatalie li - Sun Microsystems - Irvine United States 6488b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 6489b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, buflen); 6490b89a8333Snatalie li - Sun Microsystems - Irvine United States return (NFS4ERR_SERVERFAULT); 6491b89a8333Snatalie li - Sun Microsystems - Irvine United States } 6492b89a8333Snatalie li - Sun Microsystems - Irvine United States 6493b89a8333Snatalie li - Sun Microsystems - Irvine United States status = create_vnode(dvp, name, vap, args->mode, mtime, 64947c478bd9Sstevel@tonic-gate cs->cr, &vp, &created); 6495b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 6496b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 64977c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 64987c478bd9Sstevel@tonic-gate 64997c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 65007c478bd9Sstevel@tonic-gate if (ntov_table_init) 65017c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 65027c478bd9Sstevel@tonic-gate *attrset = 0; 65037c478bd9Sstevel@tonic-gate return (status); 65047c478bd9Sstevel@tonic-gate } 65057c478bd9Sstevel@tonic-gate 65067c478bd9Sstevel@tonic-gate trunc = (setsize && !created); 65077c478bd9Sstevel@tonic-gate 65087c478bd9Sstevel@tonic-gate if (args->mode != EXCLUSIVE4) { 65097c478bd9Sstevel@tonic-gate bitmap4 createmask = args->createhow4_u.createattrs.attrmask; 65107c478bd9Sstevel@tonic-gate 65117c478bd9Sstevel@tonic-gate /* 65127c478bd9Sstevel@tonic-gate * True verification that object was created with correct 65137c478bd9Sstevel@tonic-gate * attrs is impossible. The attrs could have been changed 65147c478bd9Sstevel@tonic-gate * immediately after object creation. If attributes did 65157c478bd9Sstevel@tonic-gate * not verify, the only recourse for the server is to 65167c478bd9Sstevel@tonic-gate * destroy the object. Maybe if some attrs (like gid) 65177c478bd9Sstevel@tonic-gate * are set incorrectly, the object should be destroyed; 65187c478bd9Sstevel@tonic-gate * however, seems bad as a default policy. Do we really 65197c478bd9Sstevel@tonic-gate * want to destroy an object over one of the times not 65207c478bd9Sstevel@tonic-gate * verifying correctly? For these reasons, the server 65217c478bd9Sstevel@tonic-gate * currently sets bits in attrset for createattrs 65227c478bd9Sstevel@tonic-gate * that were set; however, no verification is done. 65237c478bd9Sstevel@tonic-gate * 65247c478bd9Sstevel@tonic-gate * vmask_to_nmask accounts for vattr bits set on create 65257c478bd9Sstevel@tonic-gate * [do_rfs4_set_attrs() only sets resp bits for 65267c478bd9Sstevel@tonic-gate * non-vattr/vfs bits.] 65277c478bd9Sstevel@tonic-gate * Mask off any bits we set by default so as not to return 65287c478bd9Sstevel@tonic-gate * more attrset bits than were requested in createattrs 65297c478bd9Sstevel@tonic-gate */ 65307c478bd9Sstevel@tonic-gate if (created) { 65317c478bd9Sstevel@tonic-gate nfs4_vmask_to_nmask(sarg.vap->va_mask, attrset); 65327c478bd9Sstevel@tonic-gate *attrset &= createmask; 65337c478bd9Sstevel@tonic-gate } else { 65347c478bd9Sstevel@tonic-gate /* 65357c478bd9Sstevel@tonic-gate * We did not create the vnode (we tried but it 65367c478bd9Sstevel@tonic-gate * already existed). In this case, the only createattr 65377c478bd9Sstevel@tonic-gate * that the spec allows the server to set is size, 65387c478bd9Sstevel@tonic-gate * and even then, it can only be set if it is 0. 65397c478bd9Sstevel@tonic-gate */ 65407c478bd9Sstevel@tonic-gate *attrset = 0; 65417c478bd9Sstevel@tonic-gate if (trunc) 65427c478bd9Sstevel@tonic-gate *attrset = FATTR4_SIZE_MASK; 65437c478bd9Sstevel@tonic-gate } 65447c478bd9Sstevel@tonic-gate } 65457c478bd9Sstevel@tonic-gate if (ntov_table_init) 65467c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 65477c478bd9Sstevel@tonic-gate 65487c478bd9Sstevel@tonic-gate /* 65497c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, 65507c478bd9Sstevel@tonic-gate * set to zero, time to before. 65517c478bd9Sstevel@tonic-gate */ 65527c478bd9Sstevel@tonic-gate iva.va_mask = AT_CTIME|AT_SEQ; 6553da6c28aaSamw if (VOP_GETATTR(dvp, &iva, 0, cs->cr, NULL)) { 65547c478bd9Sstevel@tonic-gate iva.va_seq = 0; 65557c478bd9Sstevel@tonic-gate iva.va_ctime = bva.va_ctime; 65567c478bd9Sstevel@tonic-gate } 65577c478bd9Sstevel@tonic-gate 65587c478bd9Sstevel@tonic-gate /* 65597c478bd9Sstevel@tonic-gate * create_vnode attempts to create the file exclusive, 65607c478bd9Sstevel@tonic-gate * if it already exists the VOP_CREATE will fail and 65617c478bd9Sstevel@tonic-gate * may not increase va_seq. It is atomic if 65627c478bd9Sstevel@tonic-gate * we haven't changed the directory, but if it has changed 65637c478bd9Sstevel@tonic-gate * we don't know what changed it. 65647c478bd9Sstevel@tonic-gate */ 65657c478bd9Sstevel@tonic-gate if (!created) { 65667c478bd9Sstevel@tonic-gate if (bva.va_seq && iva.va_seq && 65677c478bd9Sstevel@tonic-gate bva.va_seq == iva.va_seq) 65687c478bd9Sstevel@tonic-gate cinfo->atomic = TRUE; 65697c478bd9Sstevel@tonic-gate else 65707c478bd9Sstevel@tonic-gate cinfo->atomic = FALSE; 65717c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->after, iva.va_ctime); 65727c478bd9Sstevel@tonic-gate } else { 65737c478bd9Sstevel@tonic-gate /* 65747c478bd9Sstevel@tonic-gate * The entry was created, we need to sync the 65757c478bd9Sstevel@tonic-gate * directory metadata. 65767c478bd9Sstevel@tonic-gate */ 6577da6c28aaSamw (void) VOP_FSYNC(dvp, 0, cs->cr, NULL); 65787c478bd9Sstevel@tonic-gate 65797c478bd9Sstevel@tonic-gate /* 65807c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 65817c478bd9Sstevel@tonic-gate * before value. 65827c478bd9Sstevel@tonic-gate */ 65837c478bd9Sstevel@tonic-gate ava.va_mask = AT_CTIME|AT_SEQ; 6584da6c28aaSamw if (VOP_GETATTR(dvp, &ava, 0, cs->cr, NULL)) { 65857c478bd9Sstevel@tonic-gate ava.va_ctime = bva.va_ctime; 65867c478bd9Sstevel@tonic-gate ava.va_seq = 0; 65877c478bd9Sstevel@tonic-gate } 65887c478bd9Sstevel@tonic-gate 65897c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->after, ava.va_ctime); 65907c478bd9Sstevel@tonic-gate 65917c478bd9Sstevel@tonic-gate /* 65927c478bd9Sstevel@tonic-gate * The cinfo->atomic = TRUE only if we have 65937c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 65947c478bd9Sstevel@tonic-gate * during the create_vnode and it didn't 65957c478bd9Sstevel@tonic-gate * change during the VOP_FSYNC. 65967c478bd9Sstevel@tonic-gate */ 65977c478bd9Sstevel@tonic-gate if (bva.va_seq && iva.va_seq && ava.va_seq && 65981b300de9Sjwahlig iva.va_seq == (bva.va_seq + 1) && iva.va_seq == ava.va_seq) 65997c478bd9Sstevel@tonic-gate cinfo->atomic = TRUE; 66007c478bd9Sstevel@tonic-gate else 66017c478bd9Sstevel@tonic-gate cinfo->atomic = FALSE; 66027c478bd9Sstevel@tonic-gate } 66037c478bd9Sstevel@tonic-gate 66047c478bd9Sstevel@tonic-gate /* Check for mandatory locking and that the size gets set. */ 66057c478bd9Sstevel@tonic-gate cva.va_mask = AT_MODE; 66067c478bd9Sstevel@tonic-gate if (setsize) 66077c478bd9Sstevel@tonic-gate cva.va_mask |= AT_SIZE; 66087c478bd9Sstevel@tonic-gate 66097c478bd9Sstevel@tonic-gate /* Assume the worst */ 66107c478bd9Sstevel@tonic-gate cs->mandlock = TRUE; 66117c478bd9Sstevel@tonic-gate 6612da6c28aaSamw if (VOP_GETATTR(vp, &cva, 0, cs->cr, NULL) == 0) { 66137c478bd9Sstevel@tonic-gate cs->mandlock = MANDLOCK(cs->vp, cva.va_mode); 66147c478bd9Sstevel@tonic-gate 66157c478bd9Sstevel@tonic-gate /* 66167c478bd9Sstevel@tonic-gate * Truncate the file if necessary; this would be 66177c478bd9Sstevel@tonic-gate * the case for create over an existing file. 66187c478bd9Sstevel@tonic-gate */ 66197c478bd9Sstevel@tonic-gate 66207c478bd9Sstevel@tonic-gate if (trunc) { 66217c478bd9Sstevel@tonic-gate int in_crit = 0; 66227c478bd9Sstevel@tonic-gate rfs4_file_t *fp; 66237c478bd9Sstevel@tonic-gate bool_t create = FALSE; 66247c478bd9Sstevel@tonic-gate 66257c478bd9Sstevel@tonic-gate /* 66267c478bd9Sstevel@tonic-gate * We are writing over an existing file. 66277c478bd9Sstevel@tonic-gate * Check to see if we need to recall a delegation. 66287c478bd9Sstevel@tonic-gate */ 66297c478bd9Sstevel@tonic-gate rfs4_hold_deleg_policy(); 66307c478bd9Sstevel@tonic-gate if ((fp = rfs4_findfile(vp, NULL, &create)) != NULL) { 66317c478bd9Sstevel@tonic-gate if (rfs4_check_delegated_byfp(FWRITE, fp, 66321b300de9Sjwahlig (reqsize == 0), FALSE, FALSE, &clientid)) { 66337c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 66347c478bd9Sstevel@tonic-gate rfs4_rele_deleg_policy(); 66357c478bd9Sstevel@tonic-gate VN_RELE(vp); 66367c478bd9Sstevel@tonic-gate *attrset = 0; 66377c478bd9Sstevel@tonic-gate return (NFS4ERR_DELAY); 66387c478bd9Sstevel@tonic-gate } 66397c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 66407c478bd9Sstevel@tonic-gate } 66417c478bd9Sstevel@tonic-gate rfs4_rele_deleg_policy(); 66427c478bd9Sstevel@tonic-gate 66437c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 66447c478bd9Sstevel@tonic-gate in_crit = 1; 66457c478bd9Sstevel@tonic-gate 66467c478bd9Sstevel@tonic-gate ASSERT(reqsize == 0); 66477c478bd9Sstevel@tonic-gate 66487c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 66497c478bd9Sstevel@tonic-gate if (nbl_conflict(vp, NBL_WRITE, 0, 6650da6c28aaSamw cva.va_size, 0, NULL)) { 66517c478bd9Sstevel@tonic-gate in_crit = 0; 66527c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 66537c478bd9Sstevel@tonic-gate VN_RELE(vp); 66547c478bd9Sstevel@tonic-gate *attrset = 0; 66557c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 66567c478bd9Sstevel@tonic-gate } 66577c478bd9Sstevel@tonic-gate } 66587c478bd9Sstevel@tonic-gate ct.cc_sysid = 0; 66597c478bd9Sstevel@tonic-gate ct.cc_pid = 0; 66607c478bd9Sstevel@tonic-gate ct.cc_caller_id = nfs4_srv_caller_id; 666162b9fcbeSjwahlig ct.cc_flags = CC_DONTBLOCK; 66627c478bd9Sstevel@tonic-gate 66637c478bd9Sstevel@tonic-gate cva.va_mask = AT_SIZE; 66647c478bd9Sstevel@tonic-gate cva.va_size = reqsize; 66657c478bd9Sstevel@tonic-gate (void) VOP_SETATTR(vp, &cva, 0, cs->cr, &ct); 66667c478bd9Sstevel@tonic-gate if (in_crit) 66677c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 66687c478bd9Sstevel@tonic-gate } 66697c478bd9Sstevel@tonic-gate } 66707c478bd9Sstevel@tonic-gate 66717c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, vp, cs->exi); 66727c478bd9Sstevel@tonic-gate 66737c478bd9Sstevel@tonic-gate /* 66747c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 66757c478bd9Sstevel@tonic-gate */ 6676da6c28aaSamw (void) VOP_FSYNC(vp, FNODSYNC, cs->cr, NULL); 66777c478bd9Sstevel@tonic-gate 66787c478bd9Sstevel@tonic-gate if (error) { 66797c478bd9Sstevel@tonic-gate VN_RELE(vp); 66807c478bd9Sstevel@tonic-gate *attrset = 0; 66817c478bd9Sstevel@tonic-gate return (puterrno4(error)); 66827c478bd9Sstevel@tonic-gate } 66837c478bd9Sstevel@tonic-gate 66847c478bd9Sstevel@tonic-gate /* if parent dir is attrdir, set namedattr fh flag */ 66857c478bd9Sstevel@tonic-gate if (dvp->v_flag & V_XATTRDIR) 66867c478bd9Sstevel@tonic-gate set_fh4_flag(&cs->fh, FH4_NAMEDATTR); 66877c478bd9Sstevel@tonic-gate 66887c478bd9Sstevel@tonic-gate if (cs->vp) 66897c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 66907c478bd9Sstevel@tonic-gate 66917c478bd9Sstevel@tonic-gate cs->vp = vp; 66927c478bd9Sstevel@tonic-gate 66937c478bd9Sstevel@tonic-gate /* 66947c478bd9Sstevel@tonic-gate * if we did not create the file, we will need to check 66957c478bd9Sstevel@tonic-gate * the access bits on the file 66967c478bd9Sstevel@tonic-gate */ 66977c478bd9Sstevel@tonic-gate 66987c478bd9Sstevel@tonic-gate if (!created) { 66997c478bd9Sstevel@tonic-gate if (setsize) 67007c478bd9Sstevel@tonic-gate args->share_access |= OPEN4_SHARE_ACCESS_WRITE; 67017c478bd9Sstevel@tonic-gate status = check_open_access(args->share_access, cs, req); 67027c478bd9Sstevel@tonic-gate if (status != NFS4_OK) 67037c478bd9Sstevel@tonic-gate *attrset = 0; 67047c478bd9Sstevel@tonic-gate } 67057c478bd9Sstevel@tonic-gate return (status); 67067c478bd9Sstevel@tonic-gate } 67077c478bd9Sstevel@tonic-gate 67087c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 67097c478bd9Sstevel@tonic-gate static void 67107c478bd9Sstevel@tonic-gate rfs4_do_open(struct compound_state *cs, struct svc_req *req, 67117c478bd9Sstevel@tonic-gate rfs4_openowner_t *oo, delegreq_t deleg, 67127c478bd9Sstevel@tonic-gate uint32_t access, uint32_t deny, 6713da6c28aaSamw OPEN4res *resp, int deleg_cur) 67147c478bd9Sstevel@tonic-gate { 67157c478bd9Sstevel@tonic-gate /* XXX Currently not using req */ 6716d216dff5SRobert Mastors rfs4_state_t *sp; 6717d216dff5SRobert Mastors rfs4_file_t *fp; 67187c478bd9Sstevel@tonic-gate bool_t screate = TRUE; 67197c478bd9Sstevel@tonic-gate bool_t fcreate = TRUE; 672050956b22SJames Wahlig uint32_t open_a, share_a; 672150956b22SJames Wahlig uint32_t open_d, share_d; 67227c478bd9Sstevel@tonic-gate rfs4_deleg_state_t *dsp; 67237c478bd9Sstevel@tonic-gate sysid_t sysid; 67247c478bd9Sstevel@tonic-gate nfsstat4 status; 6725da6c28aaSamw caller_context_t ct; 67267c478bd9Sstevel@tonic-gate int fflags = 0; 67277c478bd9Sstevel@tonic-gate int recall = 0; 67287c478bd9Sstevel@tonic-gate int err; 6729d216dff5SRobert Mastors int first_open; 67307c478bd9Sstevel@tonic-gate 67317c478bd9Sstevel@tonic-gate /* get the file struct and hold a lock on it during initial open */ 6732d216dff5SRobert Mastors fp = rfs4_findfile_withlock(cs->vp, &cs->fh, &fcreate); 6733d216dff5SRobert Mastors if (fp == NULL) { 6734f6cf9e50SRick Mesta resp->status = NFS4ERR_RESOURCE; 6735f6cf9e50SRick Mesta DTRACE_PROBE1(nfss__e__do__open1, nfsstat4, resp->status); 67367c478bd9Sstevel@tonic-gate return; 67377c478bd9Sstevel@tonic-gate } 67387c478bd9Sstevel@tonic-gate 6739d216dff5SRobert Mastors sp = rfs4_findstate_by_owner_file(oo, fp, &screate); 6740d216dff5SRobert Mastors if (sp == NULL) { 67417c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_RESOURCE; 6742f6cf9e50SRick Mesta DTRACE_PROBE1(nfss__e__do__open2, nfsstat4, resp->status); 67437c478bd9Sstevel@tonic-gate /* No need to keep any reference */ 6744d216dff5SRobert Mastors rw_exit(&fp->rf_file_rwlock); 6745d216dff5SRobert Mastors rfs4_file_rele(fp); 67467c478bd9Sstevel@tonic-gate return; 67477c478bd9Sstevel@tonic-gate } 67487c478bd9Sstevel@tonic-gate 6749fd93bfc3Sjwahlig /* try to get the sysid before continuing */ 6750d216dff5SRobert Mastors if ((status = rfs4_client_sysid(oo->ro_client, &sysid)) != NFS4_OK) { 67517c478bd9Sstevel@tonic-gate resp->status = status; 6752d216dff5SRobert Mastors rfs4_file_rele(fp); 67537c478bd9Sstevel@tonic-gate /* Not a fully formed open; "close" it */ 67547c478bd9Sstevel@tonic-gate if (screate == TRUE) 6755d216dff5SRobert Mastors rfs4_state_close(sp, FALSE, FALSE, cs->cr); 6756d216dff5SRobert Mastors rfs4_state_rele(sp); 67577c478bd9Sstevel@tonic-gate return; 67587c478bd9Sstevel@tonic-gate } 6759fd93bfc3Sjwahlig 6760da6c28aaSamw /* Calculate the fflags for this OPEN. */ 6761da6c28aaSamw if (access & OPEN4_SHARE_ACCESS_READ) 6762da6c28aaSamw fflags |= FREAD; 6763da6c28aaSamw if (access & OPEN4_SHARE_ACCESS_WRITE) 6764da6c28aaSamw fflags |= FWRITE; 6765da6c28aaSamw 6766d216dff5SRobert Mastors rfs4_dbe_lock(sp->rs_dbe); 6767d216dff5SRobert Mastors 6768fd93bfc3Sjwahlig /* 6769fd93bfc3Sjwahlig * Calculate the new deny and access mode that this open is adding to 6770fd93bfc3Sjwahlig * the file for this open owner; 6771fd93bfc3Sjwahlig */ 677250956b22SJames Wahlig open_d = (deny & ~sp->rs_open_deny); 677350956b22SJames Wahlig open_a = (access & ~sp->rs_open_access); 6774d216dff5SRobert Mastors 677550956b22SJames Wahlig /* 677650956b22SJames Wahlig * Calculate the new share access and share deny modes that this open 677750956b22SJames Wahlig * is adding to the file for this open owner; 677850956b22SJames Wahlig */ 677950956b22SJames Wahlig share_a = (access & ~sp->rs_share_access); 678050956b22SJames Wahlig share_d = (deny & ~sp->rs_share_deny); 678150956b22SJames Wahlig 678250956b22SJames Wahlig first_open = (sp->rs_open_access & OPEN4_SHARE_ACCESS_BOTH) == 0; 6783fd93bfc3Sjwahlig 6784fd93bfc3Sjwahlig /* 6785fd93bfc3Sjwahlig * Check to see the client has already sent an open for this 6786fd93bfc3Sjwahlig * open owner on this file with the same share/deny modes. 6787fd93bfc3Sjwahlig * If so, we don't need to check for a conflict and we don't 6788fd93bfc3Sjwahlig * need to add another shrlock. If not, then we need to 6789fd93bfc3Sjwahlig * check for conflicts in deny and access before checking for 6790fd93bfc3Sjwahlig * conflicts in delegation. We don't want to recall a 6791fd93bfc3Sjwahlig * delegation based on an open that will eventually fail based 6792fd93bfc3Sjwahlig * on shares modes. 6793fd93bfc3Sjwahlig */ 6794fd93bfc3Sjwahlig 679550956b22SJames Wahlig if (share_a || share_d) { 6796d216dff5SRobert Mastors if ((err = rfs4_share(sp, access, deny)) != 0) { 6797d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 6798d216dff5SRobert Mastors resp->status = err; 67997c478bd9Sstevel@tonic-gate 6800d216dff5SRobert Mastors rfs4_file_rele(fp); 68017c478bd9Sstevel@tonic-gate /* Not a fully formed open; "close" it */ 68027c478bd9Sstevel@tonic-gate if (screate == TRUE) 6803d216dff5SRobert Mastors rfs4_state_close(sp, FALSE, FALSE, cs->cr); 6804d216dff5SRobert Mastors rfs4_state_rele(sp); 68057c478bd9Sstevel@tonic-gate return; 68067c478bd9Sstevel@tonic-gate } 6807fd93bfc3Sjwahlig } 68087c478bd9Sstevel@tonic-gate 6809d216dff5SRobert Mastors rfs4_dbe_lock(fp->rf_dbe); 68107c478bd9Sstevel@tonic-gate 68117c478bd9Sstevel@tonic-gate /* 68127c478bd9Sstevel@tonic-gate * Check to see if this file is delegated and if so, if a 68137c478bd9Sstevel@tonic-gate * recall needs to be done. 68147c478bd9Sstevel@tonic-gate */ 6815d216dff5SRobert Mastors if (rfs4_check_recall(sp, access)) { 6816d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 6817d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 6818d216dff5SRobert Mastors rfs4_recall_deleg(fp, FALSE, sp->rs_owner->ro_client); 68197c478bd9Sstevel@tonic-gate delay(NFS4_DELEGATION_CONFLICT_DELAY); 6820d216dff5SRobert Mastors rfs4_dbe_lock(sp->rs_dbe); 682114f41b92SRobert Mastors 682214f41b92SRobert Mastors /* if state closed while lock was dropped */ 682314f41b92SRobert Mastors if (sp->rs_closed) { 682450956b22SJames Wahlig if (share_a || share_d) 682514f41b92SRobert Mastors (void) rfs4_unshare(sp); 682614f41b92SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 682714f41b92SRobert Mastors rfs4_file_rele(fp); 682814f41b92SRobert Mastors /* Not a fully formed open; "close" it */ 682914f41b92SRobert Mastors if (screate == TRUE) 683014f41b92SRobert Mastors rfs4_state_close(sp, FALSE, FALSE, cs->cr); 683114f41b92SRobert Mastors rfs4_state_rele(sp); 683214f41b92SRobert Mastors resp->status = NFS4ERR_OLD_STATEID; 683314f41b92SRobert Mastors return; 683414f41b92SRobert Mastors } 683514f41b92SRobert Mastors 6836d216dff5SRobert Mastors rfs4_dbe_lock(fp->rf_dbe); 68377c478bd9Sstevel@tonic-gate /* Let's see if the delegation was returned */ 6838d216dff5SRobert Mastors if (rfs4_check_recall(sp, access)) { 6839d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 684050956b22SJames Wahlig if (share_a || share_d) 6841d216dff5SRobert Mastors (void) rfs4_unshare(sp); 6842d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 6843d216dff5SRobert Mastors rfs4_file_rele(fp); 6844d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 6845d216dff5SRobert Mastors 68467c478bd9Sstevel@tonic-gate /* Not a fully formed open; "close" it */ 68477c478bd9Sstevel@tonic-gate if (screate == TRUE) 6848d216dff5SRobert Mastors rfs4_state_close(sp, FALSE, FALSE, cs->cr); 6849d216dff5SRobert Mastors rfs4_state_rele(sp); 68507c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_DELAY; 68517c478bd9Sstevel@tonic-gate return; 68527c478bd9Sstevel@tonic-gate } 68537c478bd9Sstevel@tonic-gate } 6854da6c28aaSamw /* 6855da6c28aaSamw * the share check passed and any delegation conflict has been 6856da6c28aaSamw * taken care of, now call vop_open. 6857da6c28aaSamw * if this is the first open then call vop_open with fflags. 6858da6c28aaSamw * if not, call vn_open_upgrade with just the upgrade flags. 6859da6c28aaSamw * 6860da6c28aaSamw * if the file has been opened already, it will have the current 6861da6c28aaSamw * access mode in the state struct. if it has no share access, then 6862da6c28aaSamw * this is a new open. 6863da6c28aaSamw * 6864da6c28aaSamw * However, if this is open with CLAIM_DLEGATE_CUR, then don't 6865da6c28aaSamw * call VOP_OPEN(), just do the open upgrade. 6866da6c28aaSamw */ 6867d216dff5SRobert Mastors if (first_open && !deleg_cur) { 6868da6c28aaSamw ct.cc_sysid = sysid; 6869d216dff5SRobert Mastors ct.cc_pid = rfs4_dbe_getid(sp->rs_owner->ro_dbe); 6870da6c28aaSamw ct.cc_caller_id = nfs4_srv_caller_id; 687162b9fcbeSjwahlig ct.cc_flags = CC_DONTBLOCK; 6872da6c28aaSamw err = VOP_OPEN(&cs->vp, fflags, cs->cr, &ct); 6873da6c28aaSamw if (err) { 6874d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 687550956b22SJames Wahlig if (share_a || share_d) 6876d216dff5SRobert Mastors (void) rfs4_unshare(sp); 6877d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 6878d216dff5SRobert Mastors rfs4_file_rele(fp); 6879d216dff5SRobert Mastors 6880da6c28aaSamw /* Not a fully formed open; "close" it */ 6881da6c28aaSamw if (screate == TRUE) 6882d216dff5SRobert Mastors rfs4_state_close(sp, FALSE, FALSE, cs->cr); 6883d216dff5SRobert Mastors rfs4_state_rele(sp); 6884335fb9e6Sjwahlig /* check if a monitor detected a delegation conflict */ 6885335fb9e6Sjwahlig if (err == EAGAIN && (ct.cc_flags & CC_WOULDBLOCK)) 6886335fb9e6Sjwahlig resp->status = NFS4ERR_DELAY; 6887335fb9e6Sjwahlig else 6888da6c28aaSamw resp->status = NFS4ERR_SERVERFAULT; 6889da6c28aaSamw return; 6890da6c28aaSamw } 6891da6c28aaSamw } else { /* open upgrade */ 6892da6c28aaSamw /* 6893da6c28aaSamw * calculate the fflags for the new mode that is being added 6894da6c28aaSamw * by this upgrade. 6895da6c28aaSamw */ 6896da6c28aaSamw fflags = 0; 689750956b22SJames Wahlig if (open_a & OPEN4_SHARE_ACCESS_READ) 6898da6c28aaSamw fflags |= FREAD; 689950956b22SJames Wahlig if (open_a & OPEN4_SHARE_ACCESS_WRITE) 6900da6c28aaSamw fflags |= FWRITE; 6901da6c28aaSamw vn_open_upgrade(cs->vp, fflags); 6902da6c28aaSamw } 690350956b22SJames Wahlig sp->rs_open_access |= access; 690450956b22SJames Wahlig sp->rs_open_deny |= deny; 69057c478bd9Sstevel@tonic-gate 690650956b22SJames Wahlig if (open_d & OPEN4_SHARE_DENY_READ) 6907d216dff5SRobert Mastors fp->rf_deny_read++; 690850956b22SJames Wahlig if (open_d & OPEN4_SHARE_DENY_WRITE) 6909d216dff5SRobert Mastors fp->rf_deny_write++; 6910d216dff5SRobert Mastors fp->rf_share_deny |= deny; 69117c478bd9Sstevel@tonic-gate 691250956b22SJames Wahlig if (open_a & OPEN4_SHARE_ACCESS_READ) 6913d216dff5SRobert Mastors fp->rf_access_read++; 691450956b22SJames Wahlig if (open_a & OPEN4_SHARE_ACCESS_WRITE) 6915d216dff5SRobert Mastors fp->rf_access_write++; 6916d216dff5SRobert Mastors fp->rf_share_access |= access; 69177c478bd9Sstevel@tonic-gate 69187c478bd9Sstevel@tonic-gate /* 69197c478bd9Sstevel@tonic-gate * Check for delegation here. if the deleg argument is not 69207c478bd9Sstevel@tonic-gate * DELEG_ANY, then this is a reclaim from a client and 69217c478bd9Sstevel@tonic-gate * we must honor the delegation requested. If necessary we can 69227c478bd9Sstevel@tonic-gate * set the recall flag. 69237c478bd9Sstevel@tonic-gate */ 69247c478bd9Sstevel@tonic-gate 6925d216dff5SRobert Mastors dsp = rfs4_grant_delegation(deleg, sp, &recall); 69267c478bd9Sstevel@tonic-gate 6927d216dff5SRobert Mastors cs->deleg = (fp->rf_dinfo.rd_dtype == OPEN_DELEGATE_WRITE); 69287c478bd9Sstevel@tonic-gate 6929d216dff5SRobert Mastors next_stateid(&sp->rs_stateid); 69307c478bd9Sstevel@tonic-gate 6931d216dff5SRobert Mastors resp->stateid = sp->rs_stateid.stateid; 69327c478bd9Sstevel@tonic-gate 6933d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 6934d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 69357c478bd9Sstevel@tonic-gate 69367c478bd9Sstevel@tonic-gate if (dsp) { 69377c478bd9Sstevel@tonic-gate rfs4_set_deleg_response(dsp, &resp->delegation, NULL, recall); 69387c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 69397c478bd9Sstevel@tonic-gate } 69407c478bd9Sstevel@tonic-gate 6941d216dff5SRobert Mastors rfs4_file_rele(fp); 6942d216dff5SRobert Mastors rfs4_state_rele(sp); 69437c478bd9Sstevel@tonic-gate 69447c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 69457c478bd9Sstevel@tonic-gate } 69467c478bd9Sstevel@tonic-gate 69477c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 69487c478bd9Sstevel@tonic-gate static void 69497c478bd9Sstevel@tonic-gate rfs4_do_opennull(struct compound_state *cs, struct svc_req *req, 69507c478bd9Sstevel@tonic-gate OPEN4args *args, rfs4_openowner_t *oo, OPEN4res *resp) 69517c478bd9Sstevel@tonic-gate { 69527c478bd9Sstevel@tonic-gate change_info4 *cinfo = &resp->cinfo; 69537c478bd9Sstevel@tonic-gate bitmap4 *attrset = &resp->attrset; 69547c478bd9Sstevel@tonic-gate 69557c478bd9Sstevel@tonic-gate if (args->opentype == OPEN4_NOCREATE) 69567c478bd9Sstevel@tonic-gate resp->status = rfs4_lookupfile(&args->open_claim4_u.file, 69577c478bd9Sstevel@tonic-gate req, cs, args->share_access, cinfo); 69587c478bd9Sstevel@tonic-gate else { 69597c478bd9Sstevel@tonic-gate /* inhibit delegation grants during exclusive create */ 69607c478bd9Sstevel@tonic-gate 69617c478bd9Sstevel@tonic-gate if (args->mode == EXCLUSIVE4) 69627c478bd9Sstevel@tonic-gate rfs4_disable_delegation(); 69637c478bd9Sstevel@tonic-gate 69647c478bd9Sstevel@tonic-gate resp->status = rfs4_createfile(args, req, cs, cinfo, attrset, 6965d216dff5SRobert Mastors oo->ro_client->rc_clientid); 69667c478bd9Sstevel@tonic-gate } 69677c478bd9Sstevel@tonic-gate 69687c478bd9Sstevel@tonic-gate if (resp->status == NFS4_OK) { 69697c478bd9Sstevel@tonic-gate 69707c478bd9Sstevel@tonic-gate /* cs->vp cs->fh now reference the desired file */ 69717c478bd9Sstevel@tonic-gate 6972e228dd39SJames Wahlig rfs4_do_open(cs, req, oo, 6973e228dd39SJames Wahlig oo->ro_need_confirm ? DELEG_NONE : DELEG_ANY, 6974e228dd39SJames Wahlig args->share_access, args->share_deny, resp, 0); 69757c478bd9Sstevel@tonic-gate 69767c478bd9Sstevel@tonic-gate /* 69777c478bd9Sstevel@tonic-gate * If rfs4_createfile set attrset, we must 69787c478bd9Sstevel@tonic-gate * clear this attrset before the response is copied. 69797c478bd9Sstevel@tonic-gate */ 69807c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK && resp->attrset) { 69817c478bd9Sstevel@tonic-gate resp->attrset = 0; 69827c478bd9Sstevel@tonic-gate } 69837c478bd9Sstevel@tonic-gate } 69847c478bd9Sstevel@tonic-gate else 69857c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 69867c478bd9Sstevel@tonic-gate 69877c478bd9Sstevel@tonic-gate if (args->mode == EXCLUSIVE4) 69887c478bd9Sstevel@tonic-gate rfs4_enable_delegation(); 69897c478bd9Sstevel@tonic-gate } 69907c478bd9Sstevel@tonic-gate 69917c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 69927c478bd9Sstevel@tonic-gate static void 69937c478bd9Sstevel@tonic-gate rfs4_do_openprev(struct compound_state *cs, struct svc_req *req, 69947c478bd9Sstevel@tonic-gate OPEN4args *args, rfs4_openowner_t *oo, OPEN4res *resp) 69957c478bd9Sstevel@tonic-gate { 69967c478bd9Sstevel@tonic-gate change_info4 *cinfo = &resp->cinfo; 69977c478bd9Sstevel@tonic-gate vattr_t va; 69987c478bd9Sstevel@tonic-gate vtype_t v_type = cs->vp->v_type; 69997c478bd9Sstevel@tonic-gate int error = 0; 70007c478bd9Sstevel@tonic-gate 70017c478bd9Sstevel@tonic-gate /* Verify that we have a regular file */ 70027c478bd9Sstevel@tonic-gate if (v_type != VREG) { 70037c478bd9Sstevel@tonic-gate if (v_type == VDIR) 70047c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_ISDIR; 70057c478bd9Sstevel@tonic-gate else if (v_type == VLNK) 70067c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SYMLINK; 70077c478bd9Sstevel@tonic-gate else 70087c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 70097c478bd9Sstevel@tonic-gate return; 70107c478bd9Sstevel@tonic-gate } 70117c478bd9Sstevel@tonic-gate 70127c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE|AT_UID; 7013da6c28aaSamw error = VOP_GETATTR(cs->vp, &va, 0, cs->cr, NULL); 70147c478bd9Sstevel@tonic-gate if (error) { 70157c478bd9Sstevel@tonic-gate resp->status = puterrno4(error); 70167c478bd9Sstevel@tonic-gate return; 70177c478bd9Sstevel@tonic-gate } 70187c478bd9Sstevel@tonic-gate 70197c478bd9Sstevel@tonic-gate cs->mandlock = MANDLOCK(cs->vp, va.va_mode); 70207c478bd9Sstevel@tonic-gate 70217c478bd9Sstevel@tonic-gate /* 70227c478bd9Sstevel@tonic-gate * Check if we have access to the file, Note the the file 70237c478bd9Sstevel@tonic-gate * could have originally been open UNCHECKED or GUARDED 70247c478bd9Sstevel@tonic-gate * with mode bits that will now fail, but there is nothing 70257c478bd9Sstevel@tonic-gate * we can really do about that except in the case that the 70267c478bd9Sstevel@tonic-gate * owner of the file is the one requesting the open. 70277c478bd9Sstevel@tonic-gate */ 70287c478bd9Sstevel@tonic-gate if (crgetuid(cs->cr) != va.va_uid) { 70297c478bd9Sstevel@tonic-gate resp->status = check_open_access(args->share_access, cs, req); 70307c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 70317c478bd9Sstevel@tonic-gate return; 70327c478bd9Sstevel@tonic-gate } 70337c478bd9Sstevel@tonic-gate } 70347c478bd9Sstevel@tonic-gate 70357c478bd9Sstevel@tonic-gate /* 70367c478bd9Sstevel@tonic-gate * cinfo on a CLAIM_PREVIOUS is undefined, initialize to zero 70377c478bd9Sstevel@tonic-gate */ 70387c478bd9Sstevel@tonic-gate cinfo->before = 0; 70397c478bd9Sstevel@tonic-gate cinfo->after = 0; 70407c478bd9Sstevel@tonic-gate cinfo->atomic = FALSE; 70417c478bd9Sstevel@tonic-gate 70427c478bd9Sstevel@tonic-gate rfs4_do_open(cs, req, oo, 70437c478bd9Sstevel@tonic-gate NFS4_DELEG4TYPE2REQTYPE(args->open_claim4_u.delegate_type), 7044da6c28aaSamw args->share_access, args->share_deny, resp, 0); 70457c478bd9Sstevel@tonic-gate } 70467c478bd9Sstevel@tonic-gate 70477c478bd9Sstevel@tonic-gate static void 70487c478bd9Sstevel@tonic-gate rfs4_do_opendelcur(struct compound_state *cs, struct svc_req *req, 70497c478bd9Sstevel@tonic-gate OPEN4args *args, rfs4_openowner_t *oo, OPEN4res *resp) 70507c478bd9Sstevel@tonic-gate { 70517c478bd9Sstevel@tonic-gate int error; 70527c478bd9Sstevel@tonic-gate nfsstat4 status; 70537c478bd9Sstevel@tonic-gate stateid4 stateid = 70547c478bd9Sstevel@tonic-gate args->open_claim4_u.delegate_cur_info.delegate_stateid; 70557c478bd9Sstevel@tonic-gate rfs4_deleg_state_t *dsp; 70567c478bd9Sstevel@tonic-gate 70577c478bd9Sstevel@tonic-gate /* 70587c478bd9Sstevel@tonic-gate * Find the state info from the stateid and confirm that the 70597c478bd9Sstevel@tonic-gate * file is delegated. If the state openowner is the same as 70607c478bd9Sstevel@tonic-gate * the supplied openowner we're done. If not, get the file 70617c478bd9Sstevel@tonic-gate * info from the found state info. Use that file info to 70627c478bd9Sstevel@tonic-gate * create the state for this lock owner. Note solaris doen't 70637c478bd9Sstevel@tonic-gate * really need the pathname to find the file. We may want to 70647c478bd9Sstevel@tonic-gate * lookup the pathname and make sure that the vp exist and 70657c478bd9Sstevel@tonic-gate * matches the vp in the file structure. However it is 70667c478bd9Sstevel@tonic-gate * possible that the pathname nolonger exists (local process 70677c478bd9Sstevel@tonic-gate * unlinks the file), so this may not be that useful. 70687c478bd9Sstevel@tonic-gate */ 70697c478bd9Sstevel@tonic-gate 70707c478bd9Sstevel@tonic-gate status = rfs4_get_deleg_state(&stateid, &dsp); 70717c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 70727c478bd9Sstevel@tonic-gate resp->status = status; 70737c478bd9Sstevel@tonic-gate return; 70747c478bd9Sstevel@tonic-gate } 70757c478bd9Sstevel@tonic-gate 7076d216dff5SRobert Mastors ASSERT(dsp->rds_finfo->rf_dinfo.rd_dtype != OPEN_DELEGATE_NONE); 70777c478bd9Sstevel@tonic-gate 70787c478bd9Sstevel@tonic-gate /* 70797c478bd9Sstevel@tonic-gate * New lock owner, create state. Since this was probably called 70807c478bd9Sstevel@tonic-gate * in response to a CB_RECALL we set deleg to DELEG_NONE 70817c478bd9Sstevel@tonic-gate */ 70827c478bd9Sstevel@tonic-gate 70837c478bd9Sstevel@tonic-gate ASSERT(cs->vp != NULL); 70847c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 7085d216dff5SRobert Mastors VN_HOLD(dsp->rds_finfo->rf_vp); 7086d216dff5SRobert Mastors cs->vp = dsp->rds_finfo->rf_vp; 70877c478bd9Sstevel@tonic-gate 70887c478bd9Sstevel@tonic-gate if (error = makefh4(&cs->fh, cs->vp, cs->exi)) { 70897c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 70907c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 70917c478bd9Sstevel@tonic-gate return; 70927c478bd9Sstevel@tonic-gate } 70937c478bd9Sstevel@tonic-gate 70947c478bd9Sstevel@tonic-gate /* Mark progress for delegation returns */ 7095d216dff5SRobert Mastors dsp->rds_finfo->rf_dinfo.rd_time_lastwrite = gethrestime_sec(); 70967c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 70977c478bd9Sstevel@tonic-gate rfs4_do_open(cs, req, oo, DELEG_NONE, 7098da6c28aaSamw args->share_access, args->share_deny, resp, 1); 70997c478bd9Sstevel@tonic-gate } 71007c478bd9Sstevel@tonic-gate 71017c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 71027c478bd9Sstevel@tonic-gate static void 71037c478bd9Sstevel@tonic-gate rfs4_do_opendelprev(struct compound_state *cs, struct svc_req *req, 71047c478bd9Sstevel@tonic-gate OPEN4args *args, rfs4_openowner_t *oo, OPEN4res *resp) 71057c478bd9Sstevel@tonic-gate { 71067c478bd9Sstevel@tonic-gate /* 71077c478bd9Sstevel@tonic-gate * Lookup the pathname, it must already exist since this file 71087c478bd9Sstevel@tonic-gate * was delegated. 71097c478bd9Sstevel@tonic-gate * 71107c478bd9Sstevel@tonic-gate * Find the file and state info for this vp and open owner pair. 71117c478bd9Sstevel@tonic-gate * check that they are in fact delegated. 71127c478bd9Sstevel@tonic-gate * check that the state access and deny modes are the same. 71137c478bd9Sstevel@tonic-gate * 71147c478bd9Sstevel@tonic-gate * Return the delgation possibly seting the recall flag. 71157c478bd9Sstevel@tonic-gate */ 7116d216dff5SRobert Mastors rfs4_file_t *fp; 7117d216dff5SRobert Mastors rfs4_state_t *sp; 71187c478bd9Sstevel@tonic-gate bool_t create = FALSE; 71197c478bd9Sstevel@tonic-gate bool_t dcreate = FALSE; 71207c478bd9Sstevel@tonic-gate rfs4_deleg_state_t *dsp; 71217c478bd9Sstevel@tonic-gate nfsace4 *ace; 71227c478bd9Sstevel@tonic-gate 71237c478bd9Sstevel@tonic-gate /* Note we ignore oflags */ 71247c478bd9Sstevel@tonic-gate resp->status = rfs4_lookupfile(&args->open_claim4_u.file_delegate_prev, 71257c478bd9Sstevel@tonic-gate req, cs, args->share_access, &resp->cinfo); 71267c478bd9Sstevel@tonic-gate 71277c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 71287c478bd9Sstevel@tonic-gate return; 71297c478bd9Sstevel@tonic-gate } 71307c478bd9Sstevel@tonic-gate 71317c478bd9Sstevel@tonic-gate /* get the file struct and hold a lock on it during initial open */ 7132d216dff5SRobert Mastors fp = rfs4_findfile_withlock(cs->vp, NULL, &create); 7133d216dff5SRobert Mastors if (fp == NULL) { 7134f6cf9e50SRick Mesta resp->status = NFS4ERR_RESOURCE; 7135f6cf9e50SRick Mesta DTRACE_PROBE1(nfss__e__do_opendelprev1, nfsstat4, resp->status); 71367c478bd9Sstevel@tonic-gate return; 71377c478bd9Sstevel@tonic-gate } 71387c478bd9Sstevel@tonic-gate 7139d216dff5SRobert Mastors sp = rfs4_findstate_by_owner_file(oo, fp, &create); 7140d216dff5SRobert Mastors if (sp == NULL) { 71417c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 7142f6cf9e50SRick Mesta DTRACE_PROBE1(nfss__e__do_opendelprev2, nfsstat4, resp->status); 7143d216dff5SRobert Mastors rw_exit(&fp->rf_file_rwlock); 7144d216dff5SRobert Mastors rfs4_file_rele(fp); 71457c478bd9Sstevel@tonic-gate return; 71467c478bd9Sstevel@tonic-gate } 71477c478bd9Sstevel@tonic-gate 7148d216dff5SRobert Mastors rfs4_dbe_lock(sp->rs_dbe); 7149d216dff5SRobert Mastors rfs4_dbe_lock(fp->rf_dbe); 7150d216dff5SRobert Mastors if (args->share_access != sp->rs_share_access || 7151d216dff5SRobert Mastors args->share_deny != sp->rs_share_deny || 7152d216dff5SRobert Mastors sp->rs_finfo->rf_dinfo.rd_dtype == OPEN_DELEGATE_NONE) { 71537c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 71547c478bd9Sstevel@tonic-gate (CE_NOTE, "rfs4_do_opendelprev: state mixup")); 7155d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 7156d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 7157d216dff5SRobert Mastors rfs4_file_rele(fp); 7158d216dff5SRobert Mastors rfs4_state_rele(sp); 71597c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 71607c478bd9Sstevel@tonic-gate return; 71617c478bd9Sstevel@tonic-gate } 7162d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 7163d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 71647c478bd9Sstevel@tonic-gate 7165d216dff5SRobert Mastors dsp = rfs4_finddeleg(sp, &dcreate); 71667c478bd9Sstevel@tonic-gate if (dsp == NULL) { 7167d216dff5SRobert Mastors rfs4_state_rele(sp); 7168d216dff5SRobert Mastors rfs4_file_rele(fp); 71697c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 71707c478bd9Sstevel@tonic-gate return; 71717c478bd9Sstevel@tonic-gate } 71727c478bd9Sstevel@tonic-gate 7173d216dff5SRobert Mastors next_stateid(&sp->rs_stateid); 71747c478bd9Sstevel@tonic-gate 7175d216dff5SRobert Mastors resp->stateid = sp->rs_stateid.stateid; 71767c478bd9Sstevel@tonic-gate 7177d216dff5SRobert Mastors resp->delegation.delegation_type = dsp->rds_dtype; 71787c478bd9Sstevel@tonic-gate 7179d216dff5SRobert Mastors if (dsp->rds_dtype == OPEN_DELEGATE_READ) { 71807c478bd9Sstevel@tonic-gate open_read_delegation4 *rv = 71817c478bd9Sstevel@tonic-gate &resp->delegation.open_delegation4_u.read; 71827c478bd9Sstevel@tonic-gate 7183d216dff5SRobert Mastors rv->stateid = dsp->rds_delegid.stateid; 71847c478bd9Sstevel@tonic-gate rv->recall = FALSE; /* no policy in place to set to TRUE */ 71857c478bd9Sstevel@tonic-gate ace = &rv->permissions; 71867c478bd9Sstevel@tonic-gate } else { 71877c478bd9Sstevel@tonic-gate open_write_delegation4 *rv = 71887c478bd9Sstevel@tonic-gate &resp->delegation.open_delegation4_u.write; 71897c478bd9Sstevel@tonic-gate 7190d216dff5SRobert Mastors rv->stateid = dsp->rds_delegid.stateid; 71917c478bd9Sstevel@tonic-gate rv->recall = FALSE; /* no policy in place to set to TRUE */ 71927c478bd9Sstevel@tonic-gate ace = &rv->permissions; 71937c478bd9Sstevel@tonic-gate rv->space_limit.limitby = NFS_LIMIT_SIZE; 71947c478bd9Sstevel@tonic-gate rv->space_limit.nfs_space_limit4_u.filesize = UINT64_MAX; 71957c478bd9Sstevel@tonic-gate } 71967c478bd9Sstevel@tonic-gate 71977c478bd9Sstevel@tonic-gate /* XXX For now */ 71987c478bd9Sstevel@tonic-gate ace->type = ACE4_ACCESS_ALLOWED_ACE_TYPE; 71997c478bd9Sstevel@tonic-gate ace->flag = 0; 72007c478bd9Sstevel@tonic-gate ace->access_mask = 0; 72017c478bd9Sstevel@tonic-gate ace->who.utf8string_len = 0; 72027c478bd9Sstevel@tonic-gate ace->who.utf8string_val = 0; 72037c478bd9Sstevel@tonic-gate 72047c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 7205d216dff5SRobert Mastors rfs4_state_rele(sp); 7206d216dff5SRobert Mastors rfs4_file_rele(fp); 72077c478bd9Sstevel@tonic-gate } 72087c478bd9Sstevel@tonic-gate 72097c478bd9Sstevel@tonic-gate typedef enum { 72107c478bd9Sstevel@tonic-gate NFS4_CHKSEQ_OKAY = 0, 72117c478bd9Sstevel@tonic-gate NFS4_CHKSEQ_REPLAY = 1, 72127c478bd9Sstevel@tonic-gate NFS4_CHKSEQ_BAD = 2 72137c478bd9Sstevel@tonic-gate } rfs4_chkseq_t; 72147c478bd9Sstevel@tonic-gate 72157c478bd9Sstevel@tonic-gate /* 72167c478bd9Sstevel@tonic-gate * Generic function for sequence number checks. 72177c478bd9Sstevel@tonic-gate */ 72187c478bd9Sstevel@tonic-gate static rfs4_chkseq_t 72197c478bd9Sstevel@tonic-gate rfs4_check_seqid(seqid4 seqid, nfs_resop4 *lastop, 72207c478bd9Sstevel@tonic-gate seqid4 rqst_seq, nfs_resop4 *resop, bool_t copyres) 72217c478bd9Sstevel@tonic-gate { 72227c478bd9Sstevel@tonic-gate /* Same sequence ids and matching operations? */ 72237c478bd9Sstevel@tonic-gate if (seqid == rqst_seq && resop->resop == lastop->resop) { 72247c478bd9Sstevel@tonic-gate if (copyres == TRUE) { 72257c478bd9Sstevel@tonic-gate rfs4_free_reply(resop); 72267c478bd9Sstevel@tonic-gate rfs4_copy_reply(resop, lastop); 72277c478bd9Sstevel@tonic-gate } 72287c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, (CE_NOTE, 72297c478bd9Sstevel@tonic-gate "Replayed SEQID %d\n", seqid)); 72307c478bd9Sstevel@tonic-gate return (NFS4_CHKSEQ_REPLAY); 72317c478bd9Sstevel@tonic-gate } 72327c478bd9Sstevel@tonic-gate 72337c478bd9Sstevel@tonic-gate /* If the incoming sequence is not the next expected then it is bad */ 72347c478bd9Sstevel@tonic-gate if (rqst_seq != seqid + 1) { 72357c478bd9Sstevel@tonic-gate if (rqst_seq == seqid) { 72367c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 72377c478bd9Sstevel@tonic-gate (CE_NOTE, "BAD SEQID: Replayed sequence id " 72387c478bd9Sstevel@tonic-gate "but last op was %d current op is %d\n", 72397c478bd9Sstevel@tonic-gate lastop->resop, resop->resop)); 72407c478bd9Sstevel@tonic-gate return (NFS4_CHKSEQ_BAD); 72417c478bd9Sstevel@tonic-gate } 72427c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 72437c478bd9Sstevel@tonic-gate (CE_NOTE, "BAD SEQID: got %u expecting %u\n", 72447c478bd9Sstevel@tonic-gate rqst_seq, seqid)); 72457c478bd9Sstevel@tonic-gate return (NFS4_CHKSEQ_BAD); 72467c478bd9Sstevel@tonic-gate } 72477c478bd9Sstevel@tonic-gate 72487c478bd9Sstevel@tonic-gate /* Everything okay -- next expected */ 72497c478bd9Sstevel@tonic-gate return (NFS4_CHKSEQ_OKAY); 72507c478bd9Sstevel@tonic-gate } 72517c478bd9Sstevel@tonic-gate 72527c478bd9Sstevel@tonic-gate 72537c478bd9Sstevel@tonic-gate static rfs4_chkseq_t 72547c478bd9Sstevel@tonic-gate rfs4_check_open_seqid(seqid4 seqid, rfs4_openowner_t *op, nfs_resop4 *resop) 72557c478bd9Sstevel@tonic-gate { 72567c478bd9Sstevel@tonic-gate rfs4_chkseq_t rc; 72577c478bd9Sstevel@tonic-gate 7258d216dff5SRobert Mastors rfs4_dbe_lock(op->ro_dbe); 7259d216dff5SRobert Mastors rc = rfs4_check_seqid(op->ro_open_seqid, &op->ro_reply, seqid, resop, 7260d216dff5SRobert Mastors TRUE); 7261d216dff5SRobert Mastors rfs4_dbe_unlock(op->ro_dbe); 72627c478bd9Sstevel@tonic-gate 72637c478bd9Sstevel@tonic-gate if (rc == NFS4_CHKSEQ_OKAY) 7264d216dff5SRobert Mastors rfs4_update_lease(op->ro_client); 72657c478bd9Sstevel@tonic-gate 72667c478bd9Sstevel@tonic-gate return (rc); 72677c478bd9Sstevel@tonic-gate } 72687c478bd9Sstevel@tonic-gate 72697c478bd9Sstevel@tonic-gate static rfs4_chkseq_t 7270d216dff5SRobert Mastors rfs4_check_olo_seqid(seqid4 olo_seqid, rfs4_openowner_t *op, nfs_resop4 *resop) 72717c478bd9Sstevel@tonic-gate { 72727c478bd9Sstevel@tonic-gate rfs4_chkseq_t rc; 72737c478bd9Sstevel@tonic-gate 7274d216dff5SRobert Mastors rfs4_dbe_lock(op->ro_dbe); 7275d216dff5SRobert Mastors rc = rfs4_check_seqid(op->ro_open_seqid, &op->ro_reply, 72767c478bd9Sstevel@tonic-gate olo_seqid, resop, FALSE); 7277d216dff5SRobert Mastors rfs4_dbe_unlock(op->ro_dbe); 72787c478bd9Sstevel@tonic-gate 72797c478bd9Sstevel@tonic-gate return (rc); 72807c478bd9Sstevel@tonic-gate } 72817c478bd9Sstevel@tonic-gate 72827c478bd9Sstevel@tonic-gate static rfs4_chkseq_t 7283d216dff5SRobert Mastors rfs4_check_lock_seqid(seqid4 seqid, rfs4_lo_state_t *lsp, nfs_resop4 *resop) 72847c478bd9Sstevel@tonic-gate { 72857c478bd9Sstevel@tonic-gate rfs4_chkseq_t rc = NFS4_CHKSEQ_OKAY; 72867c478bd9Sstevel@tonic-gate 7287d216dff5SRobert Mastors rfs4_dbe_lock(lsp->rls_dbe); 7288d216dff5SRobert Mastors if (!lsp->rls_skip_seqid_check) 7289d216dff5SRobert Mastors rc = rfs4_check_seqid(lsp->rls_seqid, &lsp->rls_reply, seqid, 7290d216dff5SRobert Mastors resop, TRUE); 7291d216dff5SRobert Mastors rfs4_dbe_unlock(lsp->rls_dbe); 72927c478bd9Sstevel@tonic-gate 72937c478bd9Sstevel@tonic-gate return (rc); 72947c478bd9Sstevel@tonic-gate } 72957c478bd9Sstevel@tonic-gate 72967c478bd9Sstevel@tonic-gate static void 72977c478bd9Sstevel@tonic-gate rfs4_op_open(nfs_argop4 *argop, nfs_resop4 *resop, 72987c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 72997c478bd9Sstevel@tonic-gate { 73007c478bd9Sstevel@tonic-gate OPEN4args *args = &argop->nfs_argop4_u.opopen; 73017c478bd9Sstevel@tonic-gate OPEN4res *resp = &resop->nfs_resop4_u.opopen; 73027c478bd9Sstevel@tonic-gate open_owner4 *owner = &args->owner; 73037c478bd9Sstevel@tonic-gate open_claim_type4 claim = args->claim; 73047c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 73057c478bd9Sstevel@tonic-gate rfs4_openowner_t *oo; 73067c478bd9Sstevel@tonic-gate bool_t create; 73077c478bd9Sstevel@tonic-gate bool_t replay = FALSE; 73087c478bd9Sstevel@tonic-gate int can_reclaim; 73097c478bd9Sstevel@tonic-gate 7310f3b585ceSsamf DTRACE_NFSV4_2(op__open__start, struct compound_state *, cs, 7311f3b585ceSsamf OPEN4args *, args); 73127c478bd9Sstevel@tonic-gate 73137c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 73147c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 7315f3b585ceSsamf goto end; 73167c478bd9Sstevel@tonic-gate } 73177c478bd9Sstevel@tonic-gate 73187c478bd9Sstevel@tonic-gate /* 73197c478bd9Sstevel@tonic-gate * Need to check clientid and lease expiration first based on 73207c478bd9Sstevel@tonic-gate * error ordering and incrementing sequence id. 73217c478bd9Sstevel@tonic-gate */ 73227c478bd9Sstevel@tonic-gate cp = rfs4_findclient_by_id(owner->clientid, FALSE); 73237c478bd9Sstevel@tonic-gate if (cp == NULL) { 73247c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 73257c478bd9Sstevel@tonic-gate rfs4_check_clientid(&owner->clientid, 0); 7326f3b585ceSsamf goto end; 73277c478bd9Sstevel@tonic-gate } 73287c478bd9Sstevel@tonic-gate 73297c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 73307c478bd9Sstevel@tonic-gate rfs4_client_close(cp); 73317c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 7332f3b585ceSsamf goto end; 73337c478bd9Sstevel@tonic-gate } 7334d216dff5SRobert Mastors can_reclaim = cp->rc_can_reclaim; 73357c478bd9Sstevel@tonic-gate 73367c478bd9Sstevel@tonic-gate /* 73377c478bd9Sstevel@tonic-gate * Find the open_owner for use from this point forward. Take 73387c478bd9Sstevel@tonic-gate * care in updating the sequence id based on the type of error 73397c478bd9Sstevel@tonic-gate * being returned. 73407c478bd9Sstevel@tonic-gate */ 73417c478bd9Sstevel@tonic-gate retry: 73427c478bd9Sstevel@tonic-gate create = TRUE; 73437c478bd9Sstevel@tonic-gate oo = rfs4_findopenowner(owner, &create, args->seqid); 73447c478bd9Sstevel@tonic-gate if (oo == NULL) { 73457c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_STALE_CLIENTID; 73467c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 7347f3b585ceSsamf goto end; 73487c478bd9Sstevel@tonic-gate } 73497c478bd9Sstevel@tonic-gate 73507c478bd9Sstevel@tonic-gate /* Hold off access to the sequence space while the open is done */ 7351d216dff5SRobert Mastors rfs4_sw_enter(&oo->ro_sw); 73527c478bd9Sstevel@tonic-gate 73537c478bd9Sstevel@tonic-gate /* 73547c478bd9Sstevel@tonic-gate * If the open_owner existed before at the server, then check 73557c478bd9Sstevel@tonic-gate * the sequence id. 73567c478bd9Sstevel@tonic-gate */ 7357d216dff5SRobert Mastors if (!create && !oo->ro_postpone_confirm) { 73587c478bd9Sstevel@tonic-gate switch (rfs4_check_open_seqid(args->seqid, oo, resop)) { 73597c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 7360d216dff5SRobert Mastors if ((args->seqid > oo->ro_open_seqid) && 7361d216dff5SRobert Mastors oo->ro_need_confirm) { 73627c478bd9Sstevel@tonic-gate rfs4_free_opens(oo, TRUE, FALSE); 7363d216dff5SRobert Mastors rfs4_sw_exit(&oo->ro_sw); 73647c478bd9Sstevel@tonic-gate rfs4_openowner_rele(oo); 73657c478bd9Sstevel@tonic-gate goto retry; 73667c478bd9Sstevel@tonic-gate } 73677c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_BAD_SEQID; 73687c478bd9Sstevel@tonic-gate goto out; 73697c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: /* replay of previous request */ 73707c478bd9Sstevel@tonic-gate replay = TRUE; 73717c478bd9Sstevel@tonic-gate goto out; 73727c478bd9Sstevel@tonic-gate default: 73737c478bd9Sstevel@tonic-gate break; 73747c478bd9Sstevel@tonic-gate } 73757c478bd9Sstevel@tonic-gate 73767c478bd9Sstevel@tonic-gate /* 73777c478bd9Sstevel@tonic-gate * Sequence was ok and open owner exists 73787c478bd9Sstevel@tonic-gate * check to see if we have yet to see an 73797c478bd9Sstevel@tonic-gate * open_confirm. 73807c478bd9Sstevel@tonic-gate */ 7381d216dff5SRobert Mastors if (oo->ro_need_confirm) { 73827c478bd9Sstevel@tonic-gate rfs4_free_opens(oo, TRUE, FALSE); 7383d216dff5SRobert Mastors rfs4_sw_exit(&oo->ro_sw); 73847c478bd9Sstevel@tonic-gate rfs4_openowner_rele(oo); 73857c478bd9Sstevel@tonic-gate goto retry; 73867c478bd9Sstevel@tonic-gate } 73877c478bd9Sstevel@tonic-gate } 73887c478bd9Sstevel@tonic-gate /* Grace only applies to regular-type OPENs */ 73897c478bd9Sstevel@tonic-gate if (rfs4_clnt_in_grace(cp) && 73907c478bd9Sstevel@tonic-gate (claim == CLAIM_NULL || claim == CLAIM_DELEGATE_CUR)) { 73917c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_GRACE; 73927c478bd9Sstevel@tonic-gate goto out; 73937c478bd9Sstevel@tonic-gate } 73947c478bd9Sstevel@tonic-gate 73957c478bd9Sstevel@tonic-gate /* 73967c478bd9Sstevel@tonic-gate * If previous state at the server existed then can_reclaim 73977c478bd9Sstevel@tonic-gate * will be set. If not reply NFS4ERR_NO_GRACE to the 73987c478bd9Sstevel@tonic-gate * client. 73997c478bd9Sstevel@tonic-gate */ 74007c478bd9Sstevel@tonic-gate if (rfs4_clnt_in_grace(cp) && claim == CLAIM_PREVIOUS && !can_reclaim) { 74017c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NO_GRACE; 74027c478bd9Sstevel@tonic-gate goto out; 74037c478bd9Sstevel@tonic-gate } 74047c478bd9Sstevel@tonic-gate 74057c478bd9Sstevel@tonic-gate 74067c478bd9Sstevel@tonic-gate /* 74077c478bd9Sstevel@tonic-gate * Reject the open if the client has missed the grace period 74087c478bd9Sstevel@tonic-gate */ 74097c478bd9Sstevel@tonic-gate if (!rfs4_clnt_in_grace(cp) && claim == CLAIM_PREVIOUS) { 74107c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NO_GRACE; 74117c478bd9Sstevel@tonic-gate goto out; 74127c478bd9Sstevel@tonic-gate } 74137c478bd9Sstevel@tonic-gate 74147c478bd9Sstevel@tonic-gate /* Couple of up-front bookkeeping items */ 7415d216dff5SRobert Mastors if (oo->ro_need_confirm) { 74167c478bd9Sstevel@tonic-gate /* 74177c478bd9Sstevel@tonic-gate * If this is a reclaim OPEN then we should not ask 74187c478bd9Sstevel@tonic-gate * for a confirmation of the open_owner per the 74197c478bd9Sstevel@tonic-gate * protocol specification. 74207c478bd9Sstevel@tonic-gate */ 74217c478bd9Sstevel@tonic-gate if (claim == CLAIM_PREVIOUS) 7422d216dff5SRobert Mastors oo->ro_need_confirm = FALSE; 74237c478bd9Sstevel@tonic-gate else 74247c478bd9Sstevel@tonic-gate resp->rflags |= OPEN4_RESULT_CONFIRM; 74257c478bd9Sstevel@tonic-gate } 74267c478bd9Sstevel@tonic-gate resp->rflags |= OPEN4_RESULT_LOCKTYPE_POSIX; 74277c478bd9Sstevel@tonic-gate 74287c478bd9Sstevel@tonic-gate /* 74297c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 74307c478bd9Sstevel@tonic-gate * do not allow to open/create in this directory. 74317c478bd9Sstevel@tonic-gate */ 74327c478bd9Sstevel@tonic-gate if (vn_ismntpt(cs->vp)) { 74337c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 74347c478bd9Sstevel@tonic-gate goto out; 74357c478bd9Sstevel@tonic-gate } 74367c478bd9Sstevel@tonic-gate 74377c478bd9Sstevel@tonic-gate /* 74387c478bd9Sstevel@tonic-gate * access must READ, WRITE, or BOTH. No access is invalid. 74397c478bd9Sstevel@tonic-gate * deny can be READ, WRITE, BOTH, or NONE. 74407c478bd9Sstevel@tonic-gate * bits not defined for access/deny are invalid. 74417c478bd9Sstevel@tonic-gate */ 74427c478bd9Sstevel@tonic-gate if (! (args->share_access & OPEN4_SHARE_ACCESS_BOTH) || 74437c478bd9Sstevel@tonic-gate (args->share_access & ~OPEN4_SHARE_ACCESS_BOTH) || 74447c478bd9Sstevel@tonic-gate (args->share_deny & ~OPEN4_SHARE_DENY_BOTH)) { 74457c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 74467c478bd9Sstevel@tonic-gate goto out; 74477c478bd9Sstevel@tonic-gate } 74487c478bd9Sstevel@tonic-gate 74497c478bd9Sstevel@tonic-gate 74507c478bd9Sstevel@tonic-gate /* 74517c478bd9Sstevel@tonic-gate * make sure attrset is zero before response is built. 74527c478bd9Sstevel@tonic-gate */ 74537c478bd9Sstevel@tonic-gate resp->attrset = 0; 74547c478bd9Sstevel@tonic-gate 74557c478bd9Sstevel@tonic-gate switch (claim) { 74567c478bd9Sstevel@tonic-gate case CLAIM_NULL: 74577c478bd9Sstevel@tonic-gate rfs4_do_opennull(cs, req, args, oo, resp); 74587c478bd9Sstevel@tonic-gate break; 74597c478bd9Sstevel@tonic-gate case CLAIM_PREVIOUS: 74607c478bd9Sstevel@tonic-gate rfs4_do_openprev(cs, req, args, oo, resp); 74617c478bd9Sstevel@tonic-gate break; 74627c478bd9Sstevel@tonic-gate case CLAIM_DELEGATE_CUR: 74637c478bd9Sstevel@tonic-gate rfs4_do_opendelcur(cs, req, args, oo, resp); 74647c478bd9Sstevel@tonic-gate break; 74657c478bd9Sstevel@tonic-gate case CLAIM_DELEGATE_PREV: 74667c478bd9Sstevel@tonic-gate rfs4_do_opendelprev(cs, req, args, oo, resp); 74677c478bd9Sstevel@tonic-gate break; 74687c478bd9Sstevel@tonic-gate default: 74697c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 74707c478bd9Sstevel@tonic-gate break; 74717c478bd9Sstevel@tonic-gate } 74727c478bd9Sstevel@tonic-gate 74737c478bd9Sstevel@tonic-gate out: 74747c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 74757c478bd9Sstevel@tonic-gate 74767c478bd9Sstevel@tonic-gate /* Catch sequence id handling here to make it a little easier */ 74777c478bd9Sstevel@tonic-gate switch (resp->status) { 74787c478bd9Sstevel@tonic-gate case NFS4ERR_BADXDR: 74797c478bd9Sstevel@tonic-gate case NFS4ERR_BAD_SEQID: 74807c478bd9Sstevel@tonic-gate case NFS4ERR_BAD_STATEID: 74817c478bd9Sstevel@tonic-gate case NFS4ERR_NOFILEHANDLE: 74827c478bd9Sstevel@tonic-gate case NFS4ERR_RESOURCE: 74837c478bd9Sstevel@tonic-gate case NFS4ERR_STALE_CLIENTID: 74847c478bd9Sstevel@tonic-gate case NFS4ERR_STALE_STATEID: 74857c478bd9Sstevel@tonic-gate /* 74867c478bd9Sstevel@tonic-gate * The protocol states that if any of these errors are 74877c478bd9Sstevel@tonic-gate * being returned, the sequence id should not be 74887c478bd9Sstevel@tonic-gate * incremented. Any other return requires an 74897c478bd9Sstevel@tonic-gate * increment. 74907c478bd9Sstevel@tonic-gate */ 74917c478bd9Sstevel@tonic-gate break; 74927c478bd9Sstevel@tonic-gate default: 74937c478bd9Sstevel@tonic-gate /* Always update the lease in this case */ 7494d216dff5SRobert Mastors rfs4_update_lease(oo->ro_client); 74957c478bd9Sstevel@tonic-gate 74967c478bd9Sstevel@tonic-gate /* Regular response - copy the result */ 74977c478bd9Sstevel@tonic-gate if (!replay) 74987c478bd9Sstevel@tonic-gate rfs4_update_open_resp(oo, resop, &cs->fh); 74997c478bd9Sstevel@tonic-gate 75007c478bd9Sstevel@tonic-gate /* 75017c478bd9Sstevel@tonic-gate * REPLAY case: Only if the previous response was OK 75027c478bd9Sstevel@tonic-gate * do we copy the filehandle. If not OK, no 75037c478bd9Sstevel@tonic-gate * filehandle to copy. 75047c478bd9Sstevel@tonic-gate */ 75057c478bd9Sstevel@tonic-gate if (replay == TRUE && 75067c478bd9Sstevel@tonic-gate resp->status == NFS4_OK && 7507d216dff5SRobert Mastors oo->ro_reply_fh.nfs_fh4_val) { 75087c478bd9Sstevel@tonic-gate /* 75097c478bd9Sstevel@tonic-gate * If this is a replay, we must restore the 75107c478bd9Sstevel@tonic-gate * current filehandle/vp to that of what was 75117c478bd9Sstevel@tonic-gate * returned originally. Try our best to do 75127c478bd9Sstevel@tonic-gate * it. 75137c478bd9Sstevel@tonic-gate */ 75147c478bd9Sstevel@tonic-gate nfs_fh4_fmt_t *fh_fmtp = 7515d216dff5SRobert Mastors (nfs_fh4_fmt_t *)oo->ro_reply_fh.nfs_fh4_val; 75167c478bd9Sstevel@tonic-gate 75177c478bd9Sstevel@tonic-gate cs->exi = checkexport4(&fh_fmtp->fh4_fsid, 75187c478bd9Sstevel@tonic-gate (fid_t *)&fh_fmtp->fh4_xlen, NULL); 75197c478bd9Sstevel@tonic-gate 75207c478bd9Sstevel@tonic-gate if (cs->exi == NULL) { 75217c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_STALE; 75227c478bd9Sstevel@tonic-gate goto finish; 75237c478bd9Sstevel@tonic-gate } 75247c478bd9Sstevel@tonic-gate 75257c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 75267c478bd9Sstevel@tonic-gate 7527d216dff5SRobert Mastors cs->vp = nfs4_fhtovp(&oo->ro_reply_fh, cs->exi, 75287c478bd9Sstevel@tonic-gate &resp->status); 75297c478bd9Sstevel@tonic-gate 75307c478bd9Sstevel@tonic-gate if (cs->vp == NULL) 75317c478bd9Sstevel@tonic-gate goto finish; 75327c478bd9Sstevel@tonic-gate 7533d216dff5SRobert Mastors nfs_fh4_copy(&oo->ro_reply_fh, &cs->fh); 75347c478bd9Sstevel@tonic-gate } 75357c478bd9Sstevel@tonic-gate 75367c478bd9Sstevel@tonic-gate /* 75377c478bd9Sstevel@tonic-gate * If this was a replay, no need to update the 75387c478bd9Sstevel@tonic-gate * sequence id. If the open_owner was not created on 75397c478bd9Sstevel@tonic-gate * this pass, then update. The first use of an 75407c478bd9Sstevel@tonic-gate * open_owner will not bump the sequence id. 75417c478bd9Sstevel@tonic-gate */ 75427c478bd9Sstevel@tonic-gate if (replay == FALSE && !create) 75437c478bd9Sstevel@tonic-gate rfs4_update_open_sequence(oo); 75447c478bd9Sstevel@tonic-gate /* 75457c478bd9Sstevel@tonic-gate * If the client is receiving an error and the 75467c478bd9Sstevel@tonic-gate * open_owner needs to be confirmed, there is no way 75477c478bd9Sstevel@tonic-gate * to notify the client of this fact ignoring the fact 75487c478bd9Sstevel@tonic-gate * that the server has no method of returning a 75497c478bd9Sstevel@tonic-gate * stateid to confirm. Therefore, the server needs to 75507c478bd9Sstevel@tonic-gate * mark this open_owner in a way as to avoid the 75517c478bd9Sstevel@tonic-gate * sequence id checking the next time the client uses 75527c478bd9Sstevel@tonic-gate * this open_owner. 75537c478bd9Sstevel@tonic-gate */ 7554d216dff5SRobert Mastors if (resp->status != NFS4_OK && oo->ro_need_confirm) 7555d216dff5SRobert Mastors oo->ro_postpone_confirm = TRUE; 75567c478bd9Sstevel@tonic-gate /* 75577c478bd9Sstevel@tonic-gate * If OK response then clear the postpone flag and 75587c478bd9Sstevel@tonic-gate * reset the sequence id to keep in sync with the 75597c478bd9Sstevel@tonic-gate * client. 75607c478bd9Sstevel@tonic-gate */ 7561d216dff5SRobert Mastors if (resp->status == NFS4_OK && oo->ro_postpone_confirm) { 7562d216dff5SRobert Mastors oo->ro_postpone_confirm = FALSE; 7563d216dff5SRobert Mastors oo->ro_open_seqid = args->seqid; 75647c478bd9Sstevel@tonic-gate } 75657c478bd9Sstevel@tonic-gate break; 75667c478bd9Sstevel@tonic-gate } 75677c478bd9Sstevel@tonic-gate 75687c478bd9Sstevel@tonic-gate finish: 75697c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 75707c478bd9Sstevel@tonic-gate 7571d216dff5SRobert Mastors rfs4_sw_exit(&oo->ro_sw); 75727c478bd9Sstevel@tonic-gate rfs4_openowner_rele(oo); 7573f3b585ceSsamf 7574f3b585ceSsamf end: 7575f3b585ceSsamf DTRACE_NFSV4_2(op__open__done, struct compound_state *, cs, 7576f3b585ceSsamf OPEN4res *, resp); 75777c478bd9Sstevel@tonic-gate } 75787c478bd9Sstevel@tonic-gate 75797c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 75807c478bd9Sstevel@tonic-gate void 75817c478bd9Sstevel@tonic-gate rfs4_op_open_confirm(nfs_argop4 *argop, nfs_resop4 *resop, 75827c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 75837c478bd9Sstevel@tonic-gate { 75847c478bd9Sstevel@tonic-gate OPEN_CONFIRM4args *args = &argop->nfs_argop4_u.opopen_confirm; 75857c478bd9Sstevel@tonic-gate OPEN_CONFIRM4res *resp = &resop->nfs_resop4_u.opopen_confirm; 75867c478bd9Sstevel@tonic-gate rfs4_state_t *sp; 75877c478bd9Sstevel@tonic-gate nfsstat4 status; 75887c478bd9Sstevel@tonic-gate 7589f3b585ceSsamf DTRACE_NFSV4_2(op__open__confirm__start, struct compound_state *, cs, 7590f3b585ceSsamf OPEN_CONFIRM4args *, args); 7591f3b585ceSsamf 75927c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 75937c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 7594f3b585ceSsamf goto out; 75957c478bd9Sstevel@tonic-gate } 75967c478bd9Sstevel@tonic-gate 75977c478bd9Sstevel@tonic-gate status = rfs4_get_state(&args->open_stateid, &sp, RFS4_DBS_VALID); 75987c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 75997c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 7600f3b585ceSsamf goto out; 76017c478bd9Sstevel@tonic-gate } 76027c478bd9Sstevel@tonic-gate 76037c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 7604d216dff5SRobert Mastors if (cs->vp != sp->rs_finfo->rf_vp) { 76057c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 76067c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 7607f3b585ceSsamf goto out; 76087c478bd9Sstevel@tonic-gate } 76097c478bd9Sstevel@tonic-gate 76107c478bd9Sstevel@tonic-gate /* hold off other access to open_owner while we tinker */ 7611d216dff5SRobert Mastors rfs4_sw_enter(&sp->rs_owner->ro_sw); 76127c478bd9Sstevel@tonic-gate 76137c478bd9Sstevel@tonic-gate switch (rfs4_check_stateid_seqid(sp, &args->open_stateid)) { 76147c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 7615d216dff5SRobert Mastors if (rfs4_check_open_seqid(args->seqid, sp->rs_owner, 76167c478bd9Sstevel@tonic-gate resop) != 0) { 76177c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 76187c478bd9Sstevel@tonic-gate break; 76197c478bd9Sstevel@tonic-gate } 76207c478bd9Sstevel@tonic-gate /* 76217c478bd9Sstevel@tonic-gate * If it is the appropriate stateid and determined to 76227c478bd9Sstevel@tonic-gate * be "OKAY" then this means that the stateid does not 76237c478bd9Sstevel@tonic-gate * need to be confirmed and the client is in error for 76247c478bd9Sstevel@tonic-gate * sending an OPEN_CONFIRM. 76257c478bd9Sstevel@tonic-gate */ 76267c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 76277c478bd9Sstevel@tonic-gate break; 76287c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 76297c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 76307c478bd9Sstevel@tonic-gate break; 76317c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 76327c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 76337c478bd9Sstevel@tonic-gate break; 76347c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 76357c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 76367c478bd9Sstevel@tonic-gate break; 76377c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 76387c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 76397c478bd9Sstevel@tonic-gate break; 76407c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 7641d216dff5SRobert Mastors switch (rfs4_check_open_seqid(args->seqid, sp->rs_owner, 7642d216dff5SRobert Mastors resop)) { 76437c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 76447c478bd9Sstevel@tonic-gate /* 76457c478bd9Sstevel@tonic-gate * This is replayed stateid; if seqid matches 76467c478bd9Sstevel@tonic-gate * next expected, then client is using wrong seqid. 76477c478bd9Sstevel@tonic-gate */ 76487c478bd9Sstevel@tonic-gate /* fall through */ 76497c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 76507c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 76517c478bd9Sstevel@tonic-gate break; 76527c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 76537c478bd9Sstevel@tonic-gate /* 76547c478bd9Sstevel@tonic-gate * Note this case is the duplicate case so 76557c478bd9Sstevel@tonic-gate * resp->status is already set. 76567c478bd9Sstevel@tonic-gate */ 76577c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 7658d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 76597c478bd9Sstevel@tonic-gate break; 76607c478bd9Sstevel@tonic-gate } 76617c478bd9Sstevel@tonic-gate break; 76627c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_UNCONFIRMED: 7663d216dff5SRobert Mastors if (rfs4_check_open_seqid(args->seqid, sp->rs_owner, 76647c478bd9Sstevel@tonic-gate resop) != NFS4_CHKSEQ_OKAY) { 76657c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 76667c478bd9Sstevel@tonic-gate break; 76677c478bd9Sstevel@tonic-gate } 76687c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 76697c478bd9Sstevel@tonic-gate 7670d216dff5SRobert Mastors next_stateid(&sp->rs_stateid); 7671d216dff5SRobert Mastors resp->open_stateid = sp->rs_stateid.stateid; 7672d216dff5SRobert Mastors sp->rs_owner->ro_need_confirm = FALSE; 7673d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 7674d216dff5SRobert Mastors rfs4_update_open_sequence(sp->rs_owner); 7675d216dff5SRobert Mastors rfs4_update_open_resp(sp->rs_owner, resop, NULL); 76767c478bd9Sstevel@tonic-gate break; 76777c478bd9Sstevel@tonic-gate default: 76787c478bd9Sstevel@tonic-gate ASSERT(FALSE); 76797c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 76807c478bd9Sstevel@tonic-gate break; 76817c478bd9Sstevel@tonic-gate } 7682d216dff5SRobert Mastors rfs4_sw_exit(&sp->rs_owner->ro_sw); 76837c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 7684f3b585ceSsamf 7685f3b585ceSsamf out: 7686f3b585ceSsamf DTRACE_NFSV4_2(op__open__confirm__done, struct compound_state *, cs, 7687f3b585ceSsamf OPEN_CONFIRM4res *, resp); 76887c478bd9Sstevel@tonic-gate } 76897c478bd9Sstevel@tonic-gate 76907c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 76917c478bd9Sstevel@tonic-gate void 76927c478bd9Sstevel@tonic-gate rfs4_op_open_downgrade(nfs_argop4 *argop, nfs_resop4 *resop, 76937c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 76947c478bd9Sstevel@tonic-gate { 76957c478bd9Sstevel@tonic-gate OPEN_DOWNGRADE4args *args = &argop->nfs_argop4_u.opopen_downgrade; 76967c478bd9Sstevel@tonic-gate OPEN_DOWNGRADE4res *resp = &resop->nfs_resop4_u.opopen_downgrade; 76977c478bd9Sstevel@tonic-gate uint32_t access = args->share_access; 76987c478bd9Sstevel@tonic-gate uint32_t deny = args->share_deny; 76997c478bd9Sstevel@tonic-gate nfsstat4 status; 77007c478bd9Sstevel@tonic-gate rfs4_state_t *sp; 77017c478bd9Sstevel@tonic-gate rfs4_file_t *fp; 7702da6c28aaSamw int fflags = 0; 77037c478bd9Sstevel@tonic-gate 7704f3b585ceSsamf DTRACE_NFSV4_2(op__open__downgrade__start, struct compound_state *, cs, 7705f3b585ceSsamf OPEN_DOWNGRADE4args *, args); 7706f3b585ceSsamf 77077c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 77087c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 7709f3b585ceSsamf goto out; 77107c478bd9Sstevel@tonic-gate } 77117c478bd9Sstevel@tonic-gate 77127c478bd9Sstevel@tonic-gate status = rfs4_get_state(&args->open_stateid, &sp, RFS4_DBS_VALID); 77137c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 77147c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 7715f3b585ceSsamf goto out; 77167c478bd9Sstevel@tonic-gate } 77177c478bd9Sstevel@tonic-gate 77187c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 7719d216dff5SRobert Mastors if (cs->vp != sp->rs_finfo->rf_vp) { 77207c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 77217c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 7722f3b585ceSsamf goto out; 77237c478bd9Sstevel@tonic-gate } 77247c478bd9Sstevel@tonic-gate 77257c478bd9Sstevel@tonic-gate /* hold off other access to open_owner while we tinker */ 7726d216dff5SRobert Mastors rfs4_sw_enter(&sp->rs_owner->ro_sw); 77277c478bd9Sstevel@tonic-gate 77287c478bd9Sstevel@tonic-gate switch (rfs4_check_stateid_seqid(sp, &args->open_stateid)) { 77297c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 7730d216dff5SRobert Mastors if (rfs4_check_open_seqid(args->seqid, sp->rs_owner, 77317c478bd9Sstevel@tonic-gate resop) != NFS4_CHKSEQ_OKAY) { 77327c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 77337c478bd9Sstevel@tonic-gate goto end; 77347c478bd9Sstevel@tonic-gate } 77357c478bd9Sstevel@tonic-gate break; 77367c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 77377c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 77387c478bd9Sstevel@tonic-gate goto end; 77397c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 77407c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 77417c478bd9Sstevel@tonic-gate goto end; 77427c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 77437c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 77447c478bd9Sstevel@tonic-gate goto end; 77457c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 77467c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 77477c478bd9Sstevel@tonic-gate goto end; 77487c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_UNCONFIRMED: 77497c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 77507c478bd9Sstevel@tonic-gate goto end; 77517c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 77527c478bd9Sstevel@tonic-gate /* Check the sequence id for the open owner */ 7753d216dff5SRobert Mastors switch (rfs4_check_open_seqid(args->seqid, sp->rs_owner, 7754d216dff5SRobert Mastors resop)) { 77557c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 77567c478bd9Sstevel@tonic-gate /* 77577c478bd9Sstevel@tonic-gate * This is replayed stateid; if seqid matches 77587c478bd9Sstevel@tonic-gate * next expected, then client is using wrong seqid. 77597c478bd9Sstevel@tonic-gate */ 77607c478bd9Sstevel@tonic-gate /* fall through */ 77617c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 77627c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 77637c478bd9Sstevel@tonic-gate goto end; 77647c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 77657c478bd9Sstevel@tonic-gate /* 77667c478bd9Sstevel@tonic-gate * Note this case is the duplicate case so 77677c478bd9Sstevel@tonic-gate * resp->status is already set. 77687c478bd9Sstevel@tonic-gate */ 77697c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 7770d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 77717c478bd9Sstevel@tonic-gate goto end; 77727c478bd9Sstevel@tonic-gate } 77737c478bd9Sstevel@tonic-gate break; 77747c478bd9Sstevel@tonic-gate default: 77757c478bd9Sstevel@tonic-gate ASSERT(FALSE); 77767c478bd9Sstevel@tonic-gate break; 77777c478bd9Sstevel@tonic-gate } 77787c478bd9Sstevel@tonic-gate 7779d216dff5SRobert Mastors rfs4_dbe_lock(sp->rs_dbe); 77807c478bd9Sstevel@tonic-gate /* 77817c478bd9Sstevel@tonic-gate * Check that the new access modes and deny modes are valid. 77827c478bd9Sstevel@tonic-gate * Check that no invalid bits are set. 77837c478bd9Sstevel@tonic-gate */ 77847c478bd9Sstevel@tonic-gate if ((access & ~(OPEN4_SHARE_ACCESS_READ | OPEN4_SHARE_ACCESS_WRITE)) || 7785da6c28aaSamw (deny & ~(OPEN4_SHARE_DENY_READ | OPEN4_SHARE_DENY_WRITE))) { 77867c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 7787d216dff5SRobert Mastors rfs4_update_open_sequence(sp->rs_owner); 7788d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 77897c478bd9Sstevel@tonic-gate goto end; 77907c478bd9Sstevel@tonic-gate } 77917c478bd9Sstevel@tonic-gate 77927c478bd9Sstevel@tonic-gate /* 77937c478bd9Sstevel@tonic-gate * The new modes must be a subset of the current modes and 77947c478bd9Sstevel@tonic-gate * the access must specify at least one mode. To test that 77957c478bd9Sstevel@tonic-gate * the new mode is a subset of the current modes we bitwise 77967c478bd9Sstevel@tonic-gate * AND them together and check that the result equals the new 77977c478bd9Sstevel@tonic-gate * mode. For example: 779850956b22SJames Wahlig * New mode, access == R and current mode, sp->rs_open_access == RW 779950956b22SJames Wahlig * access & sp->rs_open_access == R == access, so the new access mode 780050956b22SJames Wahlig * is valid. Consider access == RW, sp->rs_open_access = R 780150956b22SJames Wahlig * access & sp->rs_open_access == R != access, so the new access mode 78027c478bd9Sstevel@tonic-gate * is invalid. 78037c478bd9Sstevel@tonic-gate */ 780450956b22SJames Wahlig if ((access & sp->rs_open_access) != access || 780550956b22SJames Wahlig (deny & sp->rs_open_deny) != deny || 78067c478bd9Sstevel@tonic-gate (access & 78077c478bd9Sstevel@tonic-gate (OPEN4_SHARE_ACCESS_READ | OPEN4_SHARE_ACCESS_WRITE)) == 0) { 78087c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 7809d216dff5SRobert Mastors rfs4_update_open_sequence(sp->rs_owner); 7810d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 78117c478bd9Sstevel@tonic-gate goto end; 78127c478bd9Sstevel@tonic-gate } 78137c478bd9Sstevel@tonic-gate 78147c478bd9Sstevel@tonic-gate /* 78157c478bd9Sstevel@tonic-gate * Release any share locks associated with this stateID. 78167c478bd9Sstevel@tonic-gate * Strictly speaking, this violates the spec because the 78177c478bd9Sstevel@tonic-gate * spec effectively requires that open downgrade be atomic. 78187c478bd9Sstevel@tonic-gate * At present, fs_shrlock does not have this capability. 78197c478bd9Sstevel@tonic-gate */ 7820d216dff5SRobert Mastors (void) rfs4_unshare(sp); 78217c478bd9Sstevel@tonic-gate 782250956b22SJames Wahlig status = rfs4_share(sp, access, deny); 782350956b22SJames Wahlig if (status != NFS4_OK) { 782450956b22SJames Wahlig *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 782550956b22SJames Wahlig rfs4_update_open_sequence(sp->rs_owner); 782650956b22SJames Wahlig rfs4_dbe_unlock(sp->rs_dbe); 782750956b22SJames Wahlig goto end; 782850956b22SJames Wahlig } 782950956b22SJames Wahlig 7830d216dff5SRobert Mastors fp = sp->rs_finfo; 7831d216dff5SRobert Mastors rfs4_dbe_lock(fp->rf_dbe); 78327c478bd9Sstevel@tonic-gate 78337c478bd9Sstevel@tonic-gate /* 78347c478bd9Sstevel@tonic-gate * If the current mode has deny read and the new mode 78357c478bd9Sstevel@tonic-gate * does not, decrement the number of deny read mode bits 78367c478bd9Sstevel@tonic-gate * and if it goes to zero turn off the deny read bit 78377c478bd9Sstevel@tonic-gate * on the file. 78387c478bd9Sstevel@tonic-gate */ 783950956b22SJames Wahlig if ((sp->rs_open_deny & OPEN4_SHARE_DENY_READ) && 78407c478bd9Sstevel@tonic-gate (deny & OPEN4_SHARE_DENY_READ) == 0) { 7841d216dff5SRobert Mastors fp->rf_deny_read--; 7842d216dff5SRobert Mastors if (fp->rf_deny_read == 0) 7843d216dff5SRobert Mastors fp->rf_share_deny &= ~OPEN4_SHARE_DENY_READ; 78447c478bd9Sstevel@tonic-gate } 78457c478bd9Sstevel@tonic-gate 78467c478bd9Sstevel@tonic-gate /* 78477c478bd9Sstevel@tonic-gate * If the current mode has deny write and the new mode 78487c478bd9Sstevel@tonic-gate * does not, decrement the number of deny write mode bits 78497c478bd9Sstevel@tonic-gate * and if it goes to zero turn off the deny write bit 78507c478bd9Sstevel@tonic-gate * on the file. 78517c478bd9Sstevel@tonic-gate */ 785250956b22SJames Wahlig if ((sp->rs_open_deny & OPEN4_SHARE_DENY_WRITE) && 78537c478bd9Sstevel@tonic-gate (deny & OPEN4_SHARE_DENY_WRITE) == 0) { 7854d216dff5SRobert Mastors fp->rf_deny_write--; 7855d216dff5SRobert Mastors if (fp->rf_deny_write == 0) 7856d216dff5SRobert Mastors fp->rf_share_deny &= ~OPEN4_SHARE_DENY_WRITE; 78577c478bd9Sstevel@tonic-gate } 78587c478bd9Sstevel@tonic-gate 78597c478bd9Sstevel@tonic-gate /* 78607c478bd9Sstevel@tonic-gate * If the current mode has access read and the new mode 78617c478bd9Sstevel@tonic-gate * does not, decrement the number of access read mode bits 78627c478bd9Sstevel@tonic-gate * and if it goes to zero turn off the access read bit 7863da6c28aaSamw * on the file. set fflags to FREAD for the call to 7864da6c28aaSamw * vn_open_downgrade(). 78657c478bd9Sstevel@tonic-gate */ 786650956b22SJames Wahlig if ((sp->rs_open_access & OPEN4_SHARE_ACCESS_READ) && 78677c478bd9Sstevel@tonic-gate (access & OPEN4_SHARE_ACCESS_READ) == 0) { 7868d216dff5SRobert Mastors fp->rf_access_read--; 7869d216dff5SRobert Mastors if (fp->rf_access_read == 0) 7870d216dff5SRobert Mastors fp->rf_share_access &= ~OPEN4_SHARE_ACCESS_READ; 7871da6c28aaSamw fflags |= FREAD; 78727c478bd9Sstevel@tonic-gate } 78737c478bd9Sstevel@tonic-gate 78747c478bd9Sstevel@tonic-gate /* 78757c478bd9Sstevel@tonic-gate * If the current mode has access write and the new mode 78767c478bd9Sstevel@tonic-gate * does not, decrement the number of access write mode bits 78777c478bd9Sstevel@tonic-gate * and if it goes to zero turn off the access write bit 7878da6c28aaSamw * on the file. set fflags to FWRITE for the call to 7879da6c28aaSamw * vn_open_downgrade(). 78807c478bd9Sstevel@tonic-gate */ 788150956b22SJames Wahlig if ((sp->rs_open_access & OPEN4_SHARE_ACCESS_WRITE) && 78827c478bd9Sstevel@tonic-gate (access & OPEN4_SHARE_ACCESS_WRITE) == 0) { 7883d216dff5SRobert Mastors fp->rf_access_write--; 7884d216dff5SRobert Mastors if (fp->rf_access_write == 0) 7885d216dff5SRobert Mastors fp->rf_share_deny &= ~OPEN4_SHARE_ACCESS_WRITE; 7886da6c28aaSamw fflags |= FWRITE; 78877c478bd9Sstevel@tonic-gate } 78887c478bd9Sstevel@tonic-gate 78897c478bd9Sstevel@tonic-gate /* Check that the file is still accessible */ 7890d216dff5SRobert Mastors ASSERT(fp->rf_share_access); 78917c478bd9Sstevel@tonic-gate 7892d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 78937c478bd9Sstevel@tonic-gate 789450956b22SJames Wahlig /* now set the new open access and deny modes */ 789550956b22SJames Wahlig sp->rs_open_access = access; 789650956b22SJames Wahlig sp->rs_open_deny = deny; 78977c478bd9Sstevel@tonic-gate 7898da6c28aaSamw /* 7899da6c28aaSamw * we successfully downgraded the share lock, now we need to downgrade 7900da6c28aaSamw * the open. it is possible that the downgrade was only for a deny 7901da6c28aaSamw * mode and we have nothing else to do. 7902da6c28aaSamw */ 7903da6c28aaSamw if ((fflags & (FREAD|FWRITE)) != 0) 7904da6c28aaSamw vn_open_downgrade(cs->vp, fflags); 7905da6c28aaSamw 79067c478bd9Sstevel@tonic-gate /* Update the stateid */ 7907d216dff5SRobert Mastors next_stateid(&sp->rs_stateid); 7908d216dff5SRobert Mastors resp->open_stateid = sp->rs_stateid.stateid; 79097c478bd9Sstevel@tonic-gate 7910d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 79117c478bd9Sstevel@tonic-gate 79127c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 79137c478bd9Sstevel@tonic-gate /* Update the lease */ 7914d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 79157c478bd9Sstevel@tonic-gate /* And the sequence */ 7916d216dff5SRobert Mastors rfs4_update_open_sequence(sp->rs_owner); 7917d216dff5SRobert Mastors rfs4_update_open_resp(sp->rs_owner, resop, NULL); 79187c478bd9Sstevel@tonic-gate 79197c478bd9Sstevel@tonic-gate end: 7920d216dff5SRobert Mastors rfs4_sw_exit(&sp->rs_owner->ro_sw); 79217c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 7922f3b585ceSsamf out: 7923f3b585ceSsamf DTRACE_NFSV4_2(op__open__downgrade__done, struct compound_state *, cs, 7924f3b585ceSsamf OPEN_DOWNGRADE4res *, resp); 79257c478bd9Sstevel@tonic-gate } 79267c478bd9Sstevel@tonic-gate 79277c478bd9Sstevel@tonic-gate /* 79287c478bd9Sstevel@tonic-gate * The logic behind this function is detailed in the NFSv4 RFC in the 79297c478bd9Sstevel@tonic-gate * SETCLIENTID operation description under IMPLEMENTATION. Refer to 79307c478bd9Sstevel@tonic-gate * that section for explicit guidance to server behavior for 79317c478bd9Sstevel@tonic-gate * SETCLIENTID. 79327c478bd9Sstevel@tonic-gate */ 79337c478bd9Sstevel@tonic-gate void 79347c478bd9Sstevel@tonic-gate rfs4_op_setclientid(nfs_argop4 *argop, nfs_resop4 *resop, 79357c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 79367c478bd9Sstevel@tonic-gate { 79377c478bd9Sstevel@tonic-gate SETCLIENTID4args *args = &argop->nfs_argop4_u.opsetclientid; 79387c478bd9Sstevel@tonic-gate SETCLIENTID4res *res = &resop->nfs_resop4_u.opsetclientid; 79397c478bd9Sstevel@tonic-gate rfs4_client_t *cp, *newcp, *cp_confirmed, *cp_unconfirmed; 79402f172c55SRobert Thurlow rfs4_clntip_t *ci; 79412f172c55SRobert Thurlow bool_t create; 79427c478bd9Sstevel@tonic-gate char *addr, *netid; 79437c478bd9Sstevel@tonic-gate int len; 79447c478bd9Sstevel@tonic-gate 7945f3b585ceSsamf DTRACE_NFSV4_2(op__setclientid__start, struct compound_state *, cs, 7946f3b585ceSsamf SETCLIENTID4args *, args); 79477c478bd9Sstevel@tonic-gate retry: 79487c478bd9Sstevel@tonic-gate newcp = cp_confirmed = cp_unconfirmed = NULL; 79497c478bd9Sstevel@tonic-gate 79507c478bd9Sstevel@tonic-gate /* 79512f172c55SRobert Thurlow * Save the caller's IP address 79522f172c55SRobert Thurlow */ 79532f172c55SRobert Thurlow args->client.cl_addr = 79542f172c55SRobert Thurlow (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 79552f172c55SRobert Thurlow 79562f172c55SRobert Thurlow /* 79572f172c55SRobert Thurlow * Record if it is a Solaris client that cannot handle referrals. 79582f172c55SRobert Thurlow */ 79592f172c55SRobert Thurlow if (strstr(args->client.id_val, "Solaris") && 79602f172c55SRobert Thurlow !strstr(args->client.id_val, "+referrals")) { 79612f172c55SRobert Thurlow /* Add a "yes, it's downrev" record */ 79622f172c55SRobert Thurlow create = TRUE; 79632f172c55SRobert Thurlow ci = rfs4_find_clntip(args->client.cl_addr, &create); 79642f172c55SRobert Thurlow ASSERT(ci != NULL); 79652f172c55SRobert Thurlow rfs4_dbe_rele(ci->ri_dbe); 79662f172c55SRobert Thurlow } else { 79672f172c55SRobert Thurlow /* Remove any previous record */ 79682f172c55SRobert Thurlow rfs4_invalidate_clntip(args->client.cl_addr); 79692f172c55SRobert Thurlow } 79702f172c55SRobert Thurlow 79712f172c55SRobert Thurlow /* 79727c478bd9Sstevel@tonic-gate * In search of an EXISTING client matching the incoming 79737c478bd9Sstevel@tonic-gate * request to establish a new client identifier at the server 79747c478bd9Sstevel@tonic-gate */ 79757c478bd9Sstevel@tonic-gate create = TRUE; 79767c478bd9Sstevel@tonic-gate cp = rfs4_findclient(&args->client, &create, NULL); 79777c478bd9Sstevel@tonic-gate 79787c478bd9Sstevel@tonic-gate /* Should never happen */ 79797c478bd9Sstevel@tonic-gate ASSERT(cp != NULL); 79807c478bd9Sstevel@tonic-gate 79817c478bd9Sstevel@tonic-gate if (cp == NULL) { 79827c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_SERVERFAULT; 7983f3b585ceSsamf goto out; 79847c478bd9Sstevel@tonic-gate } 79857c478bd9Sstevel@tonic-gate 79867c478bd9Sstevel@tonic-gate /* 79877c478bd9Sstevel@tonic-gate * Easiest case. Client identifier is newly created and is 79887c478bd9Sstevel@tonic-gate * unconfirmed. Also note that for this case, no other 79897c478bd9Sstevel@tonic-gate * entries exist for the client identifier. Nothing else to 79907c478bd9Sstevel@tonic-gate * check. Just setup the response and respond. 79917c478bd9Sstevel@tonic-gate */ 79927c478bd9Sstevel@tonic-gate if (create) { 79937c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4_OK; 7994d216dff5SRobert Mastors res->SETCLIENTID4res_u.resok4.clientid = cp->rc_clientid; 79957c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.resok4.setclientid_confirm = 7996d216dff5SRobert Mastors cp->rc_confirm_verf; 79977c478bd9Sstevel@tonic-gate /* Setup callback information; CB_NULL confirmation later */ 79987c478bd9Sstevel@tonic-gate rfs4_client_setcb(cp, &args->callback, args->callback_ident); 79997c478bd9Sstevel@tonic-gate 80007c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 8001f3b585ceSsamf goto out; 80027c478bd9Sstevel@tonic-gate } 80037c478bd9Sstevel@tonic-gate 80047c478bd9Sstevel@tonic-gate /* 80057c478bd9Sstevel@tonic-gate * An existing, confirmed client may exist but it may not have 80067c478bd9Sstevel@tonic-gate * been active for at least one lease period. If so, then 80077c478bd9Sstevel@tonic-gate * "close" the client and create a new client identifier 80087c478bd9Sstevel@tonic-gate */ 80097c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 80107c478bd9Sstevel@tonic-gate rfs4_client_close(cp); 80117c478bd9Sstevel@tonic-gate goto retry; 80127c478bd9Sstevel@tonic-gate } 80137c478bd9Sstevel@tonic-gate 8014d216dff5SRobert Mastors if (cp->rc_need_confirm == TRUE) 80157c478bd9Sstevel@tonic-gate cp_unconfirmed = cp; 80167c478bd9Sstevel@tonic-gate else 80177c478bd9Sstevel@tonic-gate cp_confirmed = cp; 80187c478bd9Sstevel@tonic-gate 80197c478bd9Sstevel@tonic-gate cp = NULL; 80207c478bd9Sstevel@tonic-gate 80217c478bd9Sstevel@tonic-gate /* 80227c478bd9Sstevel@tonic-gate * We have a confirmed client, now check for an 80237c478bd9Sstevel@tonic-gate * unconfimred entry 80247c478bd9Sstevel@tonic-gate */ 80257c478bd9Sstevel@tonic-gate if (cp_confirmed) { 80267c478bd9Sstevel@tonic-gate /* If creds don't match then client identifier is inuse */ 8027d216dff5SRobert Mastors if (!creds_ok(cp_confirmed->rc_cr_set, req, cs)) { 80287c478bd9Sstevel@tonic-gate rfs4_cbinfo_t *cbp; 80297c478bd9Sstevel@tonic-gate /* 80307c478bd9Sstevel@tonic-gate * Some one else has established this client 80317c478bd9Sstevel@tonic-gate * id. Try and say * who they are. We will use 80327c478bd9Sstevel@tonic-gate * the call back address supplied by * the 80337c478bd9Sstevel@tonic-gate * first client. 80347c478bd9Sstevel@tonic-gate */ 80357c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_CLID_INUSE; 80367c478bd9Sstevel@tonic-gate 80377c478bd9Sstevel@tonic-gate addr = netid = NULL; 80387c478bd9Sstevel@tonic-gate 8039d216dff5SRobert Mastors cbp = &cp_confirmed->rc_cbinfo; 80407c478bd9Sstevel@tonic-gate if (cbp->cb_callback.cb_location.r_addr && 80417c478bd9Sstevel@tonic-gate cbp->cb_callback.cb_location.r_netid) { 80427c478bd9Sstevel@tonic-gate cb_client4 *cbcp = &cbp->cb_callback; 80437c478bd9Sstevel@tonic-gate 80447c478bd9Sstevel@tonic-gate len = strlen(cbcp->cb_location.r_addr)+1; 80457c478bd9Sstevel@tonic-gate addr = kmem_alloc(len, KM_SLEEP); 80467c478bd9Sstevel@tonic-gate bcopy(cbcp->cb_location.r_addr, addr, len); 80477c478bd9Sstevel@tonic-gate len = strlen(cbcp->cb_location.r_netid)+1; 80487c478bd9Sstevel@tonic-gate netid = kmem_alloc(len, KM_SLEEP); 80497c478bd9Sstevel@tonic-gate bcopy(cbcp->cb_location.r_netid, netid, len); 80507c478bd9Sstevel@tonic-gate } 80517c478bd9Sstevel@tonic-gate 80527c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.client_using.r_addr = addr; 80537c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.client_using.r_netid = netid; 80547c478bd9Sstevel@tonic-gate 80557c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 80567c478bd9Sstevel@tonic-gate } 80577c478bd9Sstevel@tonic-gate 80587c478bd9Sstevel@tonic-gate /* 80597c478bd9Sstevel@tonic-gate * Confirmed, creds match, and verifier matches; must 80607c478bd9Sstevel@tonic-gate * be an update of the callback info 80617c478bd9Sstevel@tonic-gate */ 8062d216dff5SRobert Mastors if (cp_confirmed->rc_nfs_client.verifier == 80637c478bd9Sstevel@tonic-gate args->client.verifier) { 80647c478bd9Sstevel@tonic-gate /* Setup callback information */ 80657c478bd9Sstevel@tonic-gate rfs4_client_setcb(cp_confirmed, &args->callback, 80667c478bd9Sstevel@tonic-gate args->callback_ident); 80677c478bd9Sstevel@tonic-gate 80687c478bd9Sstevel@tonic-gate /* everything okay -- move ahead */ 80697c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4_OK; 80707c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.resok4.clientid = 8071d216dff5SRobert Mastors cp_confirmed->rc_clientid; 80727c478bd9Sstevel@tonic-gate 80737c478bd9Sstevel@tonic-gate /* update the confirm_verifier and return it */ 80747c478bd9Sstevel@tonic-gate rfs4_client_scv_next(cp_confirmed); 80757c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.resok4.setclientid_confirm = 8076d216dff5SRobert Mastors cp_confirmed->rc_confirm_verf; 80777c478bd9Sstevel@tonic-gate 80787c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 8079f3b585ceSsamf goto out; 80807c478bd9Sstevel@tonic-gate } 80817c478bd9Sstevel@tonic-gate 80827c478bd9Sstevel@tonic-gate /* 80837c478bd9Sstevel@tonic-gate * Creds match but the verifier doesn't. Must search 80847c478bd9Sstevel@tonic-gate * for an unconfirmed client that would be replaced by 80857c478bd9Sstevel@tonic-gate * this request. 80867c478bd9Sstevel@tonic-gate */ 80877c478bd9Sstevel@tonic-gate create = FALSE; 80887c478bd9Sstevel@tonic-gate cp_unconfirmed = rfs4_findclient(&args->client, &create, 80897c478bd9Sstevel@tonic-gate cp_confirmed); 80907c478bd9Sstevel@tonic-gate } 80917c478bd9Sstevel@tonic-gate 80927c478bd9Sstevel@tonic-gate /* 80937c478bd9Sstevel@tonic-gate * At this point, we have taken care of the brand new client 80947c478bd9Sstevel@tonic-gate * struct, INUSE case, update of an existing, and confirmed 80957c478bd9Sstevel@tonic-gate * client struct. 80967c478bd9Sstevel@tonic-gate */ 80977c478bd9Sstevel@tonic-gate 80987c478bd9Sstevel@tonic-gate /* 80997c478bd9Sstevel@tonic-gate * check to see if things have changed while we originally 81007c478bd9Sstevel@tonic-gate * picked up the client struct. If they have, then return and 81017c478bd9Sstevel@tonic-gate * retry the processing of this SETCLIENTID request. 81027c478bd9Sstevel@tonic-gate */ 81037c478bd9Sstevel@tonic-gate if (cp_unconfirmed) { 8104d216dff5SRobert Mastors rfs4_dbe_lock(cp_unconfirmed->rc_dbe); 8105d216dff5SRobert Mastors if (!cp_unconfirmed->rc_need_confirm) { 8106d216dff5SRobert Mastors rfs4_dbe_unlock(cp_unconfirmed->rc_dbe); 81077c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_unconfirmed); 81087c478bd9Sstevel@tonic-gate if (cp_confirmed) 81097c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 81107c478bd9Sstevel@tonic-gate goto retry; 81117c478bd9Sstevel@tonic-gate } 81127c478bd9Sstevel@tonic-gate /* do away with the old unconfirmed one */ 8113d216dff5SRobert Mastors rfs4_dbe_invalidate(cp_unconfirmed->rc_dbe); 8114d216dff5SRobert Mastors rfs4_dbe_unlock(cp_unconfirmed->rc_dbe); 81157c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_unconfirmed); 81167c478bd9Sstevel@tonic-gate cp_unconfirmed = NULL; 81177c478bd9Sstevel@tonic-gate } 81187c478bd9Sstevel@tonic-gate 81197c478bd9Sstevel@tonic-gate /* 81207c478bd9Sstevel@tonic-gate * This search will temporarily hide the confirmed client 81217c478bd9Sstevel@tonic-gate * struct while a new client struct is created as the 81227c478bd9Sstevel@tonic-gate * unconfirmed one. 81237c478bd9Sstevel@tonic-gate */ 81247c478bd9Sstevel@tonic-gate create = TRUE; 81257c478bd9Sstevel@tonic-gate newcp = rfs4_findclient(&args->client, &create, cp_confirmed); 81267c478bd9Sstevel@tonic-gate 81277c478bd9Sstevel@tonic-gate ASSERT(newcp != NULL); 81287c478bd9Sstevel@tonic-gate 81297c478bd9Sstevel@tonic-gate if (newcp == NULL) { 81307c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_SERVERFAULT; 81317c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 8132f3b585ceSsamf goto out; 81337c478bd9Sstevel@tonic-gate } 81347c478bd9Sstevel@tonic-gate 81357c478bd9Sstevel@tonic-gate /* 81367c478bd9Sstevel@tonic-gate * If one was not created, then a similar request must be in 81377c478bd9Sstevel@tonic-gate * process so release and start over with this one 81387c478bd9Sstevel@tonic-gate */ 81397c478bd9Sstevel@tonic-gate if (create != TRUE) { 81407c478bd9Sstevel@tonic-gate rfs4_client_rele(newcp); 81417c478bd9Sstevel@tonic-gate if (cp_confirmed) 81427c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 81437c478bd9Sstevel@tonic-gate goto retry; 81447c478bd9Sstevel@tonic-gate } 81457c478bd9Sstevel@tonic-gate 81467c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4_OK; 8147d216dff5SRobert Mastors res->SETCLIENTID4res_u.resok4.clientid = newcp->rc_clientid; 8148d216dff5SRobert Mastors res->SETCLIENTID4res_u.resok4.setclientid_confirm = 8149d216dff5SRobert Mastors newcp->rc_confirm_verf; 81507c478bd9Sstevel@tonic-gate /* Setup callback information; CB_NULL confirmation later */ 81511b300de9Sjwahlig rfs4_client_setcb(newcp, &args->callback, args->callback_ident); 81527c478bd9Sstevel@tonic-gate 8153d216dff5SRobert Mastors newcp->rc_cp_confirmed = cp_confirmed; 81547c478bd9Sstevel@tonic-gate 81557c478bd9Sstevel@tonic-gate rfs4_client_rele(newcp); 8156f3b585ceSsamf 8157f3b585ceSsamf out: 8158f3b585ceSsamf DTRACE_NFSV4_2(op__setclientid__done, struct compound_state *, cs, 8159f3b585ceSsamf SETCLIENTID4res *, res); 81607c478bd9Sstevel@tonic-gate } 81617c478bd9Sstevel@tonic-gate 81627c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 81637c478bd9Sstevel@tonic-gate void 81647c478bd9Sstevel@tonic-gate rfs4_op_setclientid_confirm(nfs_argop4 *argop, nfs_resop4 *resop, 81657c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 81667c478bd9Sstevel@tonic-gate { 81677c478bd9Sstevel@tonic-gate SETCLIENTID_CONFIRM4args *args = 81687c478bd9Sstevel@tonic-gate &argop->nfs_argop4_u.opsetclientid_confirm; 81697c478bd9Sstevel@tonic-gate SETCLIENTID_CONFIRM4res *res = 81707c478bd9Sstevel@tonic-gate &resop->nfs_resop4_u.opsetclientid_confirm; 81717c478bd9Sstevel@tonic-gate rfs4_client_t *cp, *cptoclose = NULL; 81727c478bd9Sstevel@tonic-gate 8173f3b585ceSsamf DTRACE_NFSV4_2(op__setclientid__confirm__start, 8174f3b585ceSsamf struct compound_state *, cs, 8175f3b585ceSsamf SETCLIENTID_CONFIRM4args *, args); 8176f3b585ceSsamf 81777c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4_OK; 81787c478bd9Sstevel@tonic-gate 81797c478bd9Sstevel@tonic-gate cp = rfs4_findclient_by_id(args->clientid, TRUE); 81807c478bd9Sstevel@tonic-gate 81817c478bd9Sstevel@tonic-gate if (cp == NULL) { 81827c478bd9Sstevel@tonic-gate *cs->statusp = res->status = 81837c478bd9Sstevel@tonic-gate rfs4_check_clientid(&args->clientid, 1); 8184f3b585ceSsamf goto out; 81857c478bd9Sstevel@tonic-gate } 81867c478bd9Sstevel@tonic-gate 81877c478bd9Sstevel@tonic-gate if (!creds_ok(cp, req, cs)) { 81887c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_CLID_INUSE; 81897c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 8190f3b585ceSsamf goto out; 81917c478bd9Sstevel@tonic-gate } 81927c478bd9Sstevel@tonic-gate 81937c478bd9Sstevel@tonic-gate /* If the verifier doesn't match, the record doesn't match */ 8194d216dff5SRobert Mastors if (cp->rc_confirm_verf != args->setclientid_confirm) { 81957c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_STALE_CLIENTID; 81967c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 8197f3b585ceSsamf goto out; 81987c478bd9Sstevel@tonic-gate } 81997c478bd9Sstevel@tonic-gate 8200d216dff5SRobert Mastors rfs4_dbe_lock(cp->rc_dbe); 8201d216dff5SRobert Mastors cp->rc_need_confirm = FALSE; 8202d216dff5SRobert Mastors if (cp->rc_cp_confirmed) { 8203d216dff5SRobert Mastors cptoclose = cp->rc_cp_confirmed; 8204d216dff5SRobert Mastors cptoclose->rc_ss_remove = 1; 8205d216dff5SRobert Mastors cp->rc_cp_confirmed = NULL; 82067c478bd9Sstevel@tonic-gate } 82077c478bd9Sstevel@tonic-gate 82087c478bd9Sstevel@tonic-gate /* 8209cee86682Scalum * Update the client's associated server instance, if it's changed 8210cee86682Scalum * since the client was created. 8211cee86682Scalum */ 8212cee86682Scalum if (rfs4_servinst(cp) != rfs4_cur_servinst) 8213cee86682Scalum rfs4_servinst_assign(cp, rfs4_cur_servinst); 8214cee86682Scalum 8215cee86682Scalum /* 8216cee86682Scalum * Record clientid in stable storage. 8217cee86682Scalum * Must be done after server instance has been assigned. 82187c478bd9Sstevel@tonic-gate */ 82192f172c55SRobert Thurlow rfs4_ss_clid(cp); 82207c478bd9Sstevel@tonic-gate 8221d216dff5SRobert Mastors rfs4_dbe_unlock(cp->rc_dbe); 82227c478bd9Sstevel@tonic-gate 82237c478bd9Sstevel@tonic-gate if (cptoclose) 82247c478bd9Sstevel@tonic-gate /* don't need to rele, client_close does it */ 82257c478bd9Sstevel@tonic-gate rfs4_client_close(cptoclose); 82267c478bd9Sstevel@tonic-gate 82277c478bd9Sstevel@tonic-gate /* If needed, initiate CB_NULL call for callback path */ 82287c478bd9Sstevel@tonic-gate rfs4_deleg_cb_check(cp); 82297c478bd9Sstevel@tonic-gate rfs4_update_lease(cp); 82307c478bd9Sstevel@tonic-gate 82317c478bd9Sstevel@tonic-gate /* 82327c478bd9Sstevel@tonic-gate * Check to see if client can perform reclaims 82337c478bd9Sstevel@tonic-gate */ 82347c478bd9Sstevel@tonic-gate rfs4_ss_chkclid(cp); 82357c478bd9Sstevel@tonic-gate 82367c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 8237f3b585ceSsamf 8238f3b585ceSsamf out: 8239f3b585ceSsamf DTRACE_NFSV4_2(op__setclientid__confirm__done, 8240f3b585ceSsamf struct compound_state *, cs, 8241f3b585ceSsamf SETCLIENTID_CONFIRM4 *, res); 82427c478bd9Sstevel@tonic-gate } 82437c478bd9Sstevel@tonic-gate 82447c478bd9Sstevel@tonic-gate 82457c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 82467c478bd9Sstevel@tonic-gate void 82477c478bd9Sstevel@tonic-gate rfs4_op_close(nfs_argop4 *argop, nfs_resop4 *resop, 82487c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 82497c478bd9Sstevel@tonic-gate { 82507c478bd9Sstevel@tonic-gate CLOSE4args *args = &argop->nfs_argop4_u.opclose; 82517c478bd9Sstevel@tonic-gate CLOSE4res *resp = &resop->nfs_resop4_u.opclose; 82527c478bd9Sstevel@tonic-gate rfs4_state_t *sp; 82537c478bd9Sstevel@tonic-gate nfsstat4 status; 82547c478bd9Sstevel@tonic-gate 8255f3b585ceSsamf DTRACE_NFSV4_2(op__close__start, struct compound_state *, cs, 8256f3b585ceSsamf CLOSE4args *, args); 8257f3b585ceSsamf 82587c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 82597c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 8260f3b585ceSsamf goto out; 82617c478bd9Sstevel@tonic-gate } 82627c478bd9Sstevel@tonic-gate 82637c478bd9Sstevel@tonic-gate status = rfs4_get_state(&args->open_stateid, &sp, RFS4_DBS_INVALID); 82647c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 82657c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 8266f3b585ceSsamf goto out; 82677c478bd9Sstevel@tonic-gate } 82687c478bd9Sstevel@tonic-gate 82697c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 8270d216dff5SRobert Mastors if (cs->vp != sp->rs_finfo->rf_vp) { 82717c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 82727c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 8273f3b585ceSsamf goto out; 82747c478bd9Sstevel@tonic-gate } 82757c478bd9Sstevel@tonic-gate 82767c478bd9Sstevel@tonic-gate /* hold off other access to open_owner while we tinker */ 8277d216dff5SRobert Mastors rfs4_sw_enter(&sp->rs_owner->ro_sw); 82787c478bd9Sstevel@tonic-gate 82797c478bd9Sstevel@tonic-gate switch (rfs4_check_stateid_seqid(sp, &args->open_stateid)) { 82807c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 8281d216dff5SRobert Mastors if (rfs4_check_open_seqid(args->seqid, sp->rs_owner, 82827c478bd9Sstevel@tonic-gate resop) != NFS4_CHKSEQ_OKAY) { 82837c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 82847c478bd9Sstevel@tonic-gate goto end; 82857c478bd9Sstevel@tonic-gate } 82867c478bd9Sstevel@tonic-gate break; 82877c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 82887c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 82897c478bd9Sstevel@tonic-gate goto end; 82907c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 82917c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 82927c478bd9Sstevel@tonic-gate goto end; 82937c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 82947c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 82957c478bd9Sstevel@tonic-gate goto end; 82967c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 82977c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 82987c478bd9Sstevel@tonic-gate goto end; 82997c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_UNCONFIRMED: 83007c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 83017c478bd9Sstevel@tonic-gate goto end; 83027c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 83037c478bd9Sstevel@tonic-gate /* Check the sequence id for the open owner */ 8304d216dff5SRobert Mastors switch (rfs4_check_open_seqid(args->seqid, sp->rs_owner, 8305d216dff5SRobert Mastors resop)) { 83067c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 83077c478bd9Sstevel@tonic-gate /* 83087c478bd9Sstevel@tonic-gate * This is replayed stateid; if seqid matches 83097c478bd9Sstevel@tonic-gate * next expected, then client is using wrong seqid. 83107c478bd9Sstevel@tonic-gate */ 83117c478bd9Sstevel@tonic-gate /* FALL THROUGH */ 83127c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 83137c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 83147c478bd9Sstevel@tonic-gate goto end; 83157c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 83167c478bd9Sstevel@tonic-gate /* 83177c478bd9Sstevel@tonic-gate * Note this case is the duplicate case so 83187c478bd9Sstevel@tonic-gate * resp->status is already set. 83197c478bd9Sstevel@tonic-gate */ 83207c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 8321d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 83227c478bd9Sstevel@tonic-gate goto end; 83237c478bd9Sstevel@tonic-gate } 83247c478bd9Sstevel@tonic-gate break; 83257c478bd9Sstevel@tonic-gate default: 83267c478bd9Sstevel@tonic-gate ASSERT(FALSE); 83277c478bd9Sstevel@tonic-gate break; 83287c478bd9Sstevel@tonic-gate } 83297c478bd9Sstevel@tonic-gate 8330d216dff5SRobert Mastors rfs4_dbe_lock(sp->rs_dbe); 83317c478bd9Sstevel@tonic-gate 83327c478bd9Sstevel@tonic-gate /* Update the stateid. */ 8333d216dff5SRobert Mastors next_stateid(&sp->rs_stateid); 8334d216dff5SRobert Mastors resp->open_stateid = sp->rs_stateid.stateid; 83357c478bd9Sstevel@tonic-gate 8336d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 83377c478bd9Sstevel@tonic-gate 8338d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 8339d216dff5SRobert Mastors rfs4_update_open_sequence(sp->rs_owner); 8340d216dff5SRobert Mastors rfs4_update_open_resp(sp->rs_owner, resop, NULL); 83417c478bd9Sstevel@tonic-gate 83427c478bd9Sstevel@tonic-gate rfs4_state_close(sp, FALSE, FALSE, cs->cr); 83437c478bd9Sstevel@tonic-gate 83447c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 83457c478bd9Sstevel@tonic-gate 83467c478bd9Sstevel@tonic-gate end: 8347d216dff5SRobert Mastors rfs4_sw_exit(&sp->rs_owner->ro_sw); 83487c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 8349f3b585ceSsamf out: 8350f3b585ceSsamf DTRACE_NFSV4_2(op__close__done, struct compound_state *, cs, 8351f3b585ceSsamf CLOSE4res *, resp); 83527c478bd9Sstevel@tonic-gate } 83537c478bd9Sstevel@tonic-gate 83547c478bd9Sstevel@tonic-gate /* 83557c478bd9Sstevel@tonic-gate * Manage the counts on the file struct and close all file locks 83567c478bd9Sstevel@tonic-gate */ 83577c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 83587c478bd9Sstevel@tonic-gate void 83597c478bd9Sstevel@tonic-gate rfs4_release_share_lock_state(rfs4_state_t *sp, cred_t *cr, 83607c478bd9Sstevel@tonic-gate bool_t close_of_client) 83617c478bd9Sstevel@tonic-gate { 8362d216dff5SRobert Mastors rfs4_file_t *fp = sp->rs_finfo; 83637c478bd9Sstevel@tonic-gate rfs4_lo_state_t *lsp; 8364d216dff5SRobert Mastors int fflags = 0; 83657c478bd9Sstevel@tonic-gate 83667c478bd9Sstevel@tonic-gate /* 83677c478bd9Sstevel@tonic-gate * If this call is part of the larger closing down of client 83687c478bd9Sstevel@tonic-gate * state then it is just easier to release all locks 83697c478bd9Sstevel@tonic-gate * associated with this client instead of going through each 83707c478bd9Sstevel@tonic-gate * individual file and cleaning locks there. 83717c478bd9Sstevel@tonic-gate */ 83727c478bd9Sstevel@tonic-gate if (close_of_client) { 8373d216dff5SRobert Mastors if (sp->rs_owner->ro_client->rc_unlksys_completed == FALSE && 8374d216dff5SRobert Mastors !list_is_empty(&sp->rs_lostatelist) && 8375d216dff5SRobert Mastors sp->rs_owner->ro_client->rc_sysidt != LM_NOSYSID) { 83767c478bd9Sstevel@tonic-gate /* Is the PxFS kernel module loaded? */ 83777c478bd9Sstevel@tonic-gate if (lm_remove_file_locks != NULL) { 83787c478bd9Sstevel@tonic-gate int new_sysid; 83797c478bd9Sstevel@tonic-gate 83807c478bd9Sstevel@tonic-gate /* Encode the cluster nodeid in new sysid */ 8381d216dff5SRobert Mastors new_sysid = sp->rs_owner->ro_client->rc_sysidt; 83827c478bd9Sstevel@tonic-gate lm_set_nlmid_flk(&new_sysid); 83837c478bd9Sstevel@tonic-gate 83847c478bd9Sstevel@tonic-gate /* 83857c478bd9Sstevel@tonic-gate * This PxFS routine removes file locks for a 83867c478bd9Sstevel@tonic-gate * client over all nodes of a cluster. 83877c478bd9Sstevel@tonic-gate */ 83887c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, (CE_NOTE, 83897c478bd9Sstevel@tonic-gate "lm_remove_file_locks(sysid=0x%x)\n", 83907c478bd9Sstevel@tonic-gate new_sysid)); 83917c478bd9Sstevel@tonic-gate (*lm_remove_file_locks)(new_sysid); 83927c478bd9Sstevel@tonic-gate } else { 83937c478bd9Sstevel@tonic-gate struct flock64 flk; 83947c478bd9Sstevel@tonic-gate 83957c478bd9Sstevel@tonic-gate /* Release all locks for this client */ 83967c478bd9Sstevel@tonic-gate flk.l_type = F_UNLKSYS; 83977c478bd9Sstevel@tonic-gate flk.l_whence = 0; 83987c478bd9Sstevel@tonic-gate flk.l_start = 0; 83997c478bd9Sstevel@tonic-gate flk.l_len = 0; 8400d216dff5SRobert Mastors flk.l_sysid = 8401d216dff5SRobert Mastors sp->rs_owner->ro_client->rc_sysidt; 84027c478bd9Sstevel@tonic-gate flk.l_pid = 0; 8403d216dff5SRobert Mastors (void) VOP_FRLOCK(sp->rs_finfo->rf_vp, F_SETLK, 8404d216dff5SRobert Mastors &flk, F_REMOTELOCK | FREAD | FWRITE, 8405da6c28aaSamw (u_offset_t)0, NULL, CRED(), NULL); 84067c478bd9Sstevel@tonic-gate } 84077c478bd9Sstevel@tonic-gate 8408d216dff5SRobert Mastors sp->rs_owner->ro_client->rc_unlksys_completed = TRUE; 84097c478bd9Sstevel@tonic-gate } 84107c478bd9Sstevel@tonic-gate } 84117c478bd9Sstevel@tonic-gate 84127c478bd9Sstevel@tonic-gate /* 84137c478bd9Sstevel@tonic-gate * Release all locks on this file by this lock owner or at 84147c478bd9Sstevel@tonic-gate * least mark the locks as having been released 84157c478bd9Sstevel@tonic-gate */ 8416d216dff5SRobert Mastors for (lsp = list_head(&sp->rs_lostatelist); lsp != NULL; 8417d216dff5SRobert Mastors lsp = list_next(&sp->rs_lostatelist, lsp)) { 8418d216dff5SRobert Mastors lsp->rls_locks_cleaned = TRUE; 84197c478bd9Sstevel@tonic-gate 84207c478bd9Sstevel@tonic-gate /* Was this already taken care of above? */ 84217c478bd9Sstevel@tonic-gate if (!close_of_client && 8422d216dff5SRobert Mastors sp->rs_owner->ro_client->rc_sysidt != LM_NOSYSID) 8423d216dff5SRobert Mastors (void) cleanlocks(sp->rs_finfo->rf_vp, 8424d216dff5SRobert Mastors lsp->rls_locker->rl_pid, 8425d216dff5SRobert Mastors lsp->rls_locker->rl_client->rc_sysidt); 84267c478bd9Sstevel@tonic-gate } 84277c478bd9Sstevel@tonic-gate 84287c478bd9Sstevel@tonic-gate /* 84297c478bd9Sstevel@tonic-gate * Release any shrlocks associated with this open state ID. 84307c478bd9Sstevel@tonic-gate * This must be done before the rfs4_state gets marked closed. 84317c478bd9Sstevel@tonic-gate */ 8432d216dff5SRobert Mastors if (sp->rs_owner->ro_client->rc_sysidt != LM_NOSYSID) 8433d216dff5SRobert Mastors (void) rfs4_unshare(sp); 8434da6c28aaSamw 843550956b22SJames Wahlig if (sp->rs_open_access) { 843650956b22SJames Wahlig rfs4_dbe_lock(fp->rf_dbe); 843750956b22SJames Wahlig 843814f41b92SRobert Mastors /* 843914f41b92SRobert Mastors * Decrement the count for each access and deny bit that this 844014f41b92SRobert Mastors * state has contributed to the file. 844114f41b92SRobert Mastors * If the file counts go to zero 844214f41b92SRobert Mastors * clear the appropriate bit in the appropriate mask. 844314f41b92SRobert Mastors */ 844450956b22SJames Wahlig if (sp->rs_open_access & OPEN4_SHARE_ACCESS_READ) { 844514f41b92SRobert Mastors fp->rf_access_read--; 844614f41b92SRobert Mastors fflags |= FREAD; 844714f41b92SRobert Mastors if (fp->rf_access_read == 0) 844814f41b92SRobert Mastors fp->rf_share_access &= ~OPEN4_SHARE_ACCESS_READ; 844914f41b92SRobert Mastors } 845050956b22SJames Wahlig if (sp->rs_open_access & OPEN4_SHARE_ACCESS_WRITE) { 845114f41b92SRobert Mastors fp->rf_access_write--; 845214f41b92SRobert Mastors fflags |= FWRITE; 845314f41b92SRobert Mastors if (fp->rf_access_write == 0) 845414f41b92SRobert Mastors fp->rf_share_access &= 845514f41b92SRobert Mastors ~OPEN4_SHARE_ACCESS_WRITE; 845614f41b92SRobert Mastors } 845750956b22SJames Wahlig if (sp->rs_open_deny & OPEN4_SHARE_DENY_READ) { 845814f41b92SRobert Mastors fp->rf_deny_read--; 845914f41b92SRobert Mastors if (fp->rf_deny_read == 0) 846014f41b92SRobert Mastors fp->rf_share_deny &= ~OPEN4_SHARE_DENY_READ; 846114f41b92SRobert Mastors } 846250956b22SJames Wahlig if (sp->rs_open_deny & OPEN4_SHARE_DENY_WRITE) { 846314f41b92SRobert Mastors fp->rf_deny_write--; 846414f41b92SRobert Mastors if (fp->rf_deny_write == 0) 846514f41b92SRobert Mastors fp->rf_share_deny &= ~OPEN4_SHARE_DENY_WRITE; 846614f41b92SRobert Mastors } 846714f41b92SRobert Mastors 8468d216dff5SRobert Mastors (void) VOP_CLOSE(fp->rf_vp, fflags, 1, (offset_t)0, cr, NULL); 846914f41b92SRobert Mastors 847050956b22SJames Wahlig rfs4_dbe_unlock(fp->rf_dbe); 847150956b22SJames Wahlig 847250956b22SJames Wahlig sp->rs_open_access = 0; 847350956b22SJames Wahlig sp->rs_open_deny = 0; 847414f41b92SRobert Mastors } 84757c478bd9Sstevel@tonic-gate } 84767c478bd9Sstevel@tonic-gate 84777c478bd9Sstevel@tonic-gate /* 84787c478bd9Sstevel@tonic-gate * lock_denied: Fill in a LOCK4deneid structure given an flock64 structure. 84797c478bd9Sstevel@tonic-gate */ 84807c478bd9Sstevel@tonic-gate static nfsstat4 84817c478bd9Sstevel@tonic-gate lock_denied(LOCK4denied *dp, struct flock64 *flk) 84827c478bd9Sstevel@tonic-gate { 84837c478bd9Sstevel@tonic-gate rfs4_lockowner_t *lo; 84847c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 84857c478bd9Sstevel@tonic-gate uint32_t len; 84867c478bd9Sstevel@tonic-gate 84877c478bd9Sstevel@tonic-gate lo = rfs4_findlockowner_by_pid(flk->l_pid); 84887c478bd9Sstevel@tonic-gate if (lo != NULL) { 8489d216dff5SRobert Mastors cp = lo->rl_client; 84907c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 84917c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 8492d216dff5SRobert Mastors rfs4_dbe_hold(cp->rc_dbe); 84937c478bd9Sstevel@tonic-gate rfs4_client_close(cp); 84947c478bd9Sstevel@tonic-gate return (NFS4ERR_EXPIRED); 84957c478bd9Sstevel@tonic-gate } 8496d216dff5SRobert Mastors dp->owner.clientid = lo->rl_owner.clientid; 8497d216dff5SRobert Mastors len = lo->rl_owner.owner_len; 84987c478bd9Sstevel@tonic-gate dp->owner.owner_val = kmem_alloc(len, KM_SLEEP); 8499d216dff5SRobert Mastors bcopy(lo->rl_owner.owner_val, dp->owner.owner_val, len); 85007c478bd9Sstevel@tonic-gate dp->owner.owner_len = len; 85017c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 85027c478bd9Sstevel@tonic-gate goto finish; 85037c478bd9Sstevel@tonic-gate } 85047c478bd9Sstevel@tonic-gate 85057c478bd9Sstevel@tonic-gate /* 85067c478bd9Sstevel@tonic-gate * Its not a NFS4 lock. We take advantage that the upper 32 bits 85077c478bd9Sstevel@tonic-gate * of the client id contain the boot time for a NFS4 lock. So we 85087c478bd9Sstevel@tonic-gate * fabricate and identity by setting clientid to the sysid, and 85097c478bd9Sstevel@tonic-gate * the lock owner to the pid. 85107c478bd9Sstevel@tonic-gate */ 85117c478bd9Sstevel@tonic-gate dp->owner.clientid = flk->l_sysid; 85127c478bd9Sstevel@tonic-gate len = sizeof (pid_t); 85137c478bd9Sstevel@tonic-gate dp->owner.owner_len = len; 85147c478bd9Sstevel@tonic-gate dp->owner.owner_val = kmem_alloc(len, KM_SLEEP); 85157c478bd9Sstevel@tonic-gate bcopy(&flk->l_pid, dp->owner.owner_val, len); 85167c478bd9Sstevel@tonic-gate finish: 85177c478bd9Sstevel@tonic-gate dp->offset = flk->l_start; 85187c478bd9Sstevel@tonic-gate dp->length = flk->l_len; 85197c478bd9Sstevel@tonic-gate 85207c478bd9Sstevel@tonic-gate if (flk->l_type == F_RDLCK) 85217c478bd9Sstevel@tonic-gate dp->locktype = READ_LT; 85227c478bd9Sstevel@tonic-gate else if (flk->l_type == F_WRLCK) 85237c478bd9Sstevel@tonic-gate dp->locktype = WRITE_LT; 85247c478bd9Sstevel@tonic-gate else 85257c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); /* no mapping from POSIX ltype to v4 */ 85267c478bd9Sstevel@tonic-gate 85277c478bd9Sstevel@tonic-gate return (NFS4_OK); 85287c478bd9Sstevel@tonic-gate } 85297c478bd9Sstevel@tonic-gate 85307c478bd9Sstevel@tonic-gate static int 85317c478bd9Sstevel@tonic-gate setlock(vnode_t *vp, struct flock64 *flock, int flag, cred_t *cred) 85327c478bd9Sstevel@tonic-gate { 85337c478bd9Sstevel@tonic-gate int error; 85347c478bd9Sstevel@tonic-gate struct flock64 flk; 85357c478bd9Sstevel@tonic-gate int i; 85367c478bd9Sstevel@tonic-gate clock_t delaytime; 8537da6c28aaSamw int cmd; 85387c478bd9Sstevel@tonic-gate 8539da6c28aaSamw cmd = nbl_need_check(vp) ? F_SETLK_NBMAND : F_SETLK; 85407c478bd9Sstevel@tonic-gate retry: 85417c478bd9Sstevel@tonic-gate delaytime = MSEC_TO_TICK_ROUNDUP(rfs4_lock_delay); 85427c478bd9Sstevel@tonic-gate 85437c478bd9Sstevel@tonic-gate for (i = 0; i < rfs4_maxlock_tries; i++) { 8544da6c28aaSamw LOCK_PRINT(rfs4_debug, "setlock", cmd, flock); 8545da6c28aaSamw error = VOP_FRLOCK(vp, cmd, 8546da6c28aaSamw flock, flag, (u_offset_t)0, NULL, cred, NULL); 85477c478bd9Sstevel@tonic-gate 85487c478bd9Sstevel@tonic-gate if (error != EAGAIN && error != EACCES) 85497c478bd9Sstevel@tonic-gate break; 85507c478bd9Sstevel@tonic-gate 85517c478bd9Sstevel@tonic-gate if (i < rfs4_maxlock_tries - 1) { 85527c478bd9Sstevel@tonic-gate delay(delaytime); 85537c478bd9Sstevel@tonic-gate delaytime *= 2; 85547c478bd9Sstevel@tonic-gate } 85557c478bd9Sstevel@tonic-gate } 85567c478bd9Sstevel@tonic-gate 85577c478bd9Sstevel@tonic-gate if (error == EAGAIN || error == EACCES) { 85587c478bd9Sstevel@tonic-gate /* Get the owner of the lock */ 85597c478bd9Sstevel@tonic-gate flk = *flock; 85607c478bd9Sstevel@tonic-gate LOCK_PRINT(rfs4_debug, "setlock", F_GETLK, &flk); 8561da6c28aaSamw if (VOP_FRLOCK(vp, F_GETLK, &flk, flag, 8562da6c28aaSamw (u_offset_t)0, NULL, cred, NULL) == 0) { 85637c478bd9Sstevel@tonic-gate if (flk.l_type == F_UNLCK) { 85647c478bd9Sstevel@tonic-gate /* No longer locked, retry */ 85657c478bd9Sstevel@tonic-gate goto retry; 85667c478bd9Sstevel@tonic-gate } 85677c478bd9Sstevel@tonic-gate *flock = flk; 85687c478bd9Sstevel@tonic-gate LOCK_PRINT(rfs4_debug, "setlock(blocking lock)", 85697c478bd9Sstevel@tonic-gate F_GETLK, &flk); 85707c478bd9Sstevel@tonic-gate } 85717c478bd9Sstevel@tonic-gate } 85727c478bd9Sstevel@tonic-gate 85737c478bd9Sstevel@tonic-gate return (error); 85747c478bd9Sstevel@tonic-gate } 85757c478bd9Sstevel@tonic-gate 85767c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 85777c478bd9Sstevel@tonic-gate static nfsstat4 8578d216dff5SRobert Mastors rfs4_do_lock(rfs4_lo_state_t *lsp, nfs_lock_type4 locktype, 8579d216dff5SRobert Mastors offset4 offset, length4 length, cred_t *cred, nfs_resop4 *resop) 85807c478bd9Sstevel@tonic-gate { 85817c478bd9Sstevel@tonic-gate nfsstat4 status; 8582d216dff5SRobert Mastors rfs4_lockowner_t *lo = lsp->rls_locker; 8583d216dff5SRobert Mastors rfs4_state_t *sp = lsp->rls_state; 85847c478bd9Sstevel@tonic-gate struct flock64 flock; 85857c478bd9Sstevel@tonic-gate int16_t ltype; 85867c478bd9Sstevel@tonic-gate int flag; 85877c478bd9Sstevel@tonic-gate int error; 85887c478bd9Sstevel@tonic-gate sysid_t sysid; 85897c478bd9Sstevel@tonic-gate LOCK4res *lres; 85907c478bd9Sstevel@tonic-gate 8591d216dff5SRobert Mastors if (rfs4_lease_expired(lo->rl_client)) { 85927c478bd9Sstevel@tonic-gate return (NFS4ERR_EXPIRED); 85937c478bd9Sstevel@tonic-gate } 85947c478bd9Sstevel@tonic-gate 8595d216dff5SRobert Mastors if ((status = rfs4_client_sysid(lo->rl_client, &sysid)) != NFS4_OK) 85967c478bd9Sstevel@tonic-gate return (status); 85977c478bd9Sstevel@tonic-gate 85987c478bd9Sstevel@tonic-gate /* Check for zero length. To lock to end of file use all ones for V4 */ 85997c478bd9Sstevel@tonic-gate if (length == 0) 86007c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 86017c478bd9Sstevel@tonic-gate else if (length == (length4)(~0)) 86027c478bd9Sstevel@tonic-gate length = 0; /* Posix to end of file */ 86037c478bd9Sstevel@tonic-gate 86047c478bd9Sstevel@tonic-gate retry: 8605d216dff5SRobert Mastors rfs4_dbe_lock(sp->rs_dbe); 8606d216dff5SRobert Mastors if (sp->rs_closed) { 8607d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 8608d216dff5SRobert Mastors return (NFS4ERR_OLD_STATEID); 8609d216dff5SRobert Mastors } 86107c478bd9Sstevel@tonic-gate 86117c478bd9Sstevel@tonic-gate if (resop->resop != OP_LOCKU) { 86127c478bd9Sstevel@tonic-gate switch (locktype) { 86137c478bd9Sstevel@tonic-gate case READ_LT: 86147c478bd9Sstevel@tonic-gate case READW_LT: 8615d216dff5SRobert Mastors if ((sp->rs_share_access 86167c478bd9Sstevel@tonic-gate & OPEN4_SHARE_ACCESS_READ) == 0) { 8617d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 86187c478bd9Sstevel@tonic-gate 86197c478bd9Sstevel@tonic-gate return (NFS4ERR_OPENMODE); 86207c478bd9Sstevel@tonic-gate } 86217c478bd9Sstevel@tonic-gate ltype = F_RDLCK; 86227c478bd9Sstevel@tonic-gate break; 86237c478bd9Sstevel@tonic-gate case WRITE_LT: 86247c478bd9Sstevel@tonic-gate case WRITEW_LT: 8625d216dff5SRobert Mastors if ((sp->rs_share_access 86267c478bd9Sstevel@tonic-gate & OPEN4_SHARE_ACCESS_WRITE) == 0) { 8627d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 86287c478bd9Sstevel@tonic-gate 86297c478bd9Sstevel@tonic-gate return (NFS4ERR_OPENMODE); 86307c478bd9Sstevel@tonic-gate } 86317c478bd9Sstevel@tonic-gate ltype = F_WRLCK; 86327c478bd9Sstevel@tonic-gate break; 86337c478bd9Sstevel@tonic-gate } 86347c478bd9Sstevel@tonic-gate } else 86357c478bd9Sstevel@tonic-gate ltype = F_UNLCK; 86367c478bd9Sstevel@tonic-gate 86377c478bd9Sstevel@tonic-gate flock.l_type = ltype; 86387c478bd9Sstevel@tonic-gate flock.l_whence = 0; /* SEEK_SET */ 86397c478bd9Sstevel@tonic-gate flock.l_start = offset; 86407c478bd9Sstevel@tonic-gate flock.l_len = length; 86417c478bd9Sstevel@tonic-gate flock.l_sysid = sysid; 8642d216dff5SRobert Mastors flock.l_pid = lsp->rls_locker->rl_pid; 86437c478bd9Sstevel@tonic-gate 86447c478bd9Sstevel@tonic-gate /* Note that length4 is uint64_t but l_len and l_start are off64_t */ 86457c478bd9Sstevel@tonic-gate if (flock.l_len < 0 || flock.l_start < 0) { 8646d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 86477c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 86487c478bd9Sstevel@tonic-gate } 86497c478bd9Sstevel@tonic-gate 86507c478bd9Sstevel@tonic-gate /* 86517c478bd9Sstevel@tonic-gate * N.B. FREAD has the same value as OPEN4_SHARE_ACCESS_READ and 86527c478bd9Sstevel@tonic-gate * FWRITE has the same value as OPEN4_SHARE_ACCESS_WRITE. 86537c478bd9Sstevel@tonic-gate */ 8654d216dff5SRobert Mastors flag = (int)sp->rs_share_access | F_REMOTELOCK; 86557c478bd9Sstevel@tonic-gate 8656d216dff5SRobert Mastors error = setlock(sp->rs_finfo->rf_vp, &flock, flag, cred); 86577c478bd9Sstevel@tonic-gate if (error == 0) { 8658d216dff5SRobert Mastors rfs4_dbe_lock(lsp->rls_dbe); 8659d216dff5SRobert Mastors next_stateid(&lsp->rls_lockid); 8660d216dff5SRobert Mastors rfs4_dbe_unlock(lsp->rls_dbe); 86617c478bd9Sstevel@tonic-gate } 86627c478bd9Sstevel@tonic-gate 8663d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 86647c478bd9Sstevel@tonic-gate 86657c478bd9Sstevel@tonic-gate /* 86667c478bd9Sstevel@tonic-gate * N.B. We map error values to nfsv4 errors. This is differrent 86677c478bd9Sstevel@tonic-gate * than puterrno4 routine. 86687c478bd9Sstevel@tonic-gate */ 86697c478bd9Sstevel@tonic-gate switch (error) { 86707c478bd9Sstevel@tonic-gate case 0: 86717c478bd9Sstevel@tonic-gate status = NFS4_OK; 86727c478bd9Sstevel@tonic-gate break; 86737c478bd9Sstevel@tonic-gate case EAGAIN: 86747c478bd9Sstevel@tonic-gate case EACCES: /* Old value */ 86757c478bd9Sstevel@tonic-gate /* Can only get here if op is OP_LOCK */ 86767c478bd9Sstevel@tonic-gate ASSERT(resop->resop == OP_LOCK); 86777c478bd9Sstevel@tonic-gate lres = &resop->nfs_resop4_u.oplock; 86787c478bd9Sstevel@tonic-gate status = NFS4ERR_DENIED; 86797c478bd9Sstevel@tonic-gate if (lock_denied(&lres->LOCK4res_u.denied, &flock) 86807c478bd9Sstevel@tonic-gate == NFS4ERR_EXPIRED) 86817c478bd9Sstevel@tonic-gate goto retry; 86827c478bd9Sstevel@tonic-gate break; 86837c478bd9Sstevel@tonic-gate case ENOLCK: 86847c478bd9Sstevel@tonic-gate status = NFS4ERR_DELAY; 86857c478bd9Sstevel@tonic-gate break; 86867c478bd9Sstevel@tonic-gate case EOVERFLOW: 86877c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 86887c478bd9Sstevel@tonic-gate break; 86897c478bd9Sstevel@tonic-gate case EINVAL: 86907c478bd9Sstevel@tonic-gate status = NFS4ERR_NOTSUPP; 86917c478bd9Sstevel@tonic-gate break; 86927c478bd9Sstevel@tonic-gate default: 86937c478bd9Sstevel@tonic-gate status = NFS4ERR_SERVERFAULT; 86947c478bd9Sstevel@tonic-gate break; 86957c478bd9Sstevel@tonic-gate } 86967c478bd9Sstevel@tonic-gate 86977c478bd9Sstevel@tonic-gate return (status); 86987c478bd9Sstevel@tonic-gate } 86997c478bd9Sstevel@tonic-gate 87007c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 87017c478bd9Sstevel@tonic-gate void 87027c478bd9Sstevel@tonic-gate rfs4_op_lock(nfs_argop4 *argop, nfs_resop4 *resop, 87037c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 87047c478bd9Sstevel@tonic-gate { 87057c478bd9Sstevel@tonic-gate LOCK4args *args = &argop->nfs_argop4_u.oplock; 87067c478bd9Sstevel@tonic-gate LOCK4res *resp = &resop->nfs_resop4_u.oplock; 87077c478bd9Sstevel@tonic-gate nfsstat4 status; 87087c478bd9Sstevel@tonic-gate stateid4 *stateid; 87097c478bd9Sstevel@tonic-gate rfs4_lockowner_t *lo; 87107c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 87117c478bd9Sstevel@tonic-gate rfs4_state_t *sp = NULL; 87127c478bd9Sstevel@tonic-gate rfs4_lo_state_t *lsp = NULL; 87137c478bd9Sstevel@tonic-gate bool_t ls_sw_held = FALSE; 87147c478bd9Sstevel@tonic-gate bool_t create = TRUE; 87157c478bd9Sstevel@tonic-gate bool_t lcreate = TRUE; 87167c478bd9Sstevel@tonic-gate bool_t dup_lock = FALSE; 87177c478bd9Sstevel@tonic-gate int rc; 87187c478bd9Sstevel@tonic-gate 8719f3b585ceSsamf DTRACE_NFSV4_2(op__lock__start, struct compound_state *, cs, 8720f3b585ceSsamf LOCK4args *, args); 8721f3b585ceSsamf 87227c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 87237c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 8724f3b585ceSsamf DTRACE_NFSV4_2(op__lock__done, struct compound_state *, 8725f3b585ceSsamf cs, LOCK4res *, resp); 87267c478bd9Sstevel@tonic-gate return; 87277c478bd9Sstevel@tonic-gate } 87287c478bd9Sstevel@tonic-gate 87297c478bd9Sstevel@tonic-gate if (args->locker.new_lock_owner) { 87307c478bd9Sstevel@tonic-gate /* Create a new lockowner for this instance */ 87317c478bd9Sstevel@tonic-gate open_to_lock_owner4 *olo = &args->locker.locker4_u.open_owner; 87327c478bd9Sstevel@tonic-gate 87337c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, (CE_NOTE, "Creating new lock owner")); 87347c478bd9Sstevel@tonic-gate 87357c478bd9Sstevel@tonic-gate stateid = &olo->open_stateid; 87367c478bd9Sstevel@tonic-gate status = rfs4_get_state(stateid, &sp, RFS4_DBS_VALID); 87377c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 87387c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 87391b300de9Sjwahlig (CE_NOTE, "Get state failed in lock %d", status)); 87407c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 8741f3b585ceSsamf DTRACE_NFSV4_2(op__lock__done, struct compound_state *, 8742f3b585ceSsamf cs, LOCK4res *, resp); 87437c478bd9Sstevel@tonic-gate return; 87447c478bd9Sstevel@tonic-gate } 87457c478bd9Sstevel@tonic-gate 87467c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 8747d216dff5SRobert Mastors if (cs->vp != sp->rs_finfo->rf_vp) { 87487c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 87497c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 8750f3b585ceSsamf DTRACE_NFSV4_2(op__lock__done, struct compound_state *, 8751f3b585ceSsamf cs, LOCK4res *, resp); 87527c478bd9Sstevel@tonic-gate return; 87537c478bd9Sstevel@tonic-gate } 87547c478bd9Sstevel@tonic-gate 87557c478bd9Sstevel@tonic-gate /* hold off other access to open_owner while we tinker */ 8756d216dff5SRobert Mastors rfs4_sw_enter(&sp->rs_owner->ro_sw); 87577c478bd9Sstevel@tonic-gate 87587c478bd9Sstevel@tonic-gate switch (rc = rfs4_check_stateid_seqid(sp, stateid)) { 87597c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 87607c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 87617c478bd9Sstevel@tonic-gate goto end; 87627c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 87637c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 87647c478bd9Sstevel@tonic-gate goto end; 87657c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 87667c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 87677c478bd9Sstevel@tonic-gate goto end; 87687c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_UNCONFIRMED: 87697c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 87707c478bd9Sstevel@tonic-gate goto end; 87717c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 87727c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 87737c478bd9Sstevel@tonic-gate goto end; 87747c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 87757c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 87767c478bd9Sstevel@tonic-gate switch (rfs4_check_olo_seqid(olo->open_seqid, 8777d216dff5SRobert Mastors sp->rs_owner, resop)) { 87787c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 87797c478bd9Sstevel@tonic-gate if (rc == NFS4_CHECK_STATEID_OKAY) 87807c478bd9Sstevel@tonic-gate break; 87817c478bd9Sstevel@tonic-gate /* 87827c478bd9Sstevel@tonic-gate * This is replayed stateid; if seqid 87837c478bd9Sstevel@tonic-gate * matches next expected, then client 87847c478bd9Sstevel@tonic-gate * is using wrong seqid. 87857c478bd9Sstevel@tonic-gate */ 87867c478bd9Sstevel@tonic-gate /* FALLTHROUGH */ 87877c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 87881b300de9Sjwahlig *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 87897c478bd9Sstevel@tonic-gate goto end; 87907c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 87917c478bd9Sstevel@tonic-gate /* This is a duplicate LOCK request */ 87927c478bd9Sstevel@tonic-gate dup_lock = TRUE; 87937c478bd9Sstevel@tonic-gate 87947c478bd9Sstevel@tonic-gate /* 87957c478bd9Sstevel@tonic-gate * For a duplicate we do not want to 87967c478bd9Sstevel@tonic-gate * create a new lockowner as it should 87977c478bd9Sstevel@tonic-gate * already exist. 87987c478bd9Sstevel@tonic-gate * Turn off the lockowner create flag. 87997c478bd9Sstevel@tonic-gate */ 88007c478bd9Sstevel@tonic-gate lcreate = FALSE; 88017c478bd9Sstevel@tonic-gate } 88027c478bd9Sstevel@tonic-gate break; 88037c478bd9Sstevel@tonic-gate } 88047c478bd9Sstevel@tonic-gate 88057c478bd9Sstevel@tonic-gate lo = rfs4_findlockowner(&olo->lock_owner, &lcreate); 88067c478bd9Sstevel@tonic-gate if (lo == NULL) { 88077c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 88087c478bd9Sstevel@tonic-gate (CE_NOTE, "rfs4_op_lock: no lock owner")); 88097c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_RESOURCE; 88107c478bd9Sstevel@tonic-gate goto end; 88117c478bd9Sstevel@tonic-gate } 88127c478bd9Sstevel@tonic-gate 88137c478bd9Sstevel@tonic-gate lsp = rfs4_findlo_state_by_owner(lo, sp, &create); 88147c478bd9Sstevel@tonic-gate if (lsp == NULL) { 8815d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 88167c478bd9Sstevel@tonic-gate /* 88177c478bd9Sstevel@tonic-gate * Only update theh open_seqid if this is not 88187c478bd9Sstevel@tonic-gate * a duplicate request 88197c478bd9Sstevel@tonic-gate */ 88207c478bd9Sstevel@tonic-gate if (dup_lock == FALSE) { 8821d216dff5SRobert Mastors rfs4_update_open_sequence(sp->rs_owner); 88227c478bd9Sstevel@tonic-gate } 88237c478bd9Sstevel@tonic-gate 88247c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 88257c478bd9Sstevel@tonic-gate (CE_NOTE, "rfs4_op_lock: no state")); 88267c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 8827d216dff5SRobert Mastors rfs4_update_open_resp(sp->rs_owner, resop, NULL); 88287c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 88297c478bd9Sstevel@tonic-gate goto end; 88307c478bd9Sstevel@tonic-gate } 88317c478bd9Sstevel@tonic-gate 88327c478bd9Sstevel@tonic-gate /* 88337c478bd9Sstevel@tonic-gate * This is the new_lock_owner branch and the client is 88347c478bd9Sstevel@tonic-gate * supposed to be associating a new lock_owner with 88357c478bd9Sstevel@tonic-gate * the open file at this point. If we find that a 88367c478bd9Sstevel@tonic-gate * lock_owner/state association already exists and a 88377c478bd9Sstevel@tonic-gate * successful LOCK request was returned to the client, 88387c478bd9Sstevel@tonic-gate * an error is returned to the client since this is 88397c478bd9Sstevel@tonic-gate * not appropriate. The client should be using the 88407c478bd9Sstevel@tonic-gate * existing lock_owner branch. 88417c478bd9Sstevel@tonic-gate */ 88427c478bd9Sstevel@tonic-gate if (dup_lock == FALSE && create == FALSE) { 8843d216dff5SRobert Mastors if (lsp->rls_lock_completed == TRUE) { 88447c478bd9Sstevel@tonic-gate *cs->statusp = 88457c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_BAD_SEQID; 88467c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 88477c478bd9Sstevel@tonic-gate goto end; 88487c478bd9Sstevel@tonic-gate } 88497c478bd9Sstevel@tonic-gate } 88507c478bd9Sstevel@tonic-gate 8851d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 88527c478bd9Sstevel@tonic-gate 88537c478bd9Sstevel@tonic-gate /* 88547c478bd9Sstevel@tonic-gate * Only update theh open_seqid if this is not 88557c478bd9Sstevel@tonic-gate * a duplicate request 88567c478bd9Sstevel@tonic-gate */ 88577c478bd9Sstevel@tonic-gate if (dup_lock == FALSE) { 8858d216dff5SRobert Mastors rfs4_update_open_sequence(sp->rs_owner); 88597c478bd9Sstevel@tonic-gate } 88607c478bd9Sstevel@tonic-gate 88617c478bd9Sstevel@tonic-gate /* 88627c478bd9Sstevel@tonic-gate * If this is a duplicate lock request, just copy the 88637c478bd9Sstevel@tonic-gate * previously saved reply and return. 88647c478bd9Sstevel@tonic-gate */ 88657c478bd9Sstevel@tonic-gate if (dup_lock == TRUE) { 88667c478bd9Sstevel@tonic-gate /* verify that lock_seqid's match */ 8867d216dff5SRobert Mastors if (lsp->rls_seqid != olo->lock_seqid) { 88687c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 88697c478bd9Sstevel@tonic-gate (CE_NOTE, "rfs4_op_lock: Dup-Lock seqid bad" 88707c478bd9Sstevel@tonic-gate "lsp->seqid=%d old->seqid=%d", 8871d216dff5SRobert Mastors lsp->rls_seqid, olo->lock_seqid)); 88727c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 88737c478bd9Sstevel@tonic-gate } else { 8874d216dff5SRobert Mastors rfs4_copy_reply(resop, &lsp->rls_reply); 88757c478bd9Sstevel@tonic-gate /* 88767c478bd9Sstevel@tonic-gate * Make sure to copy the just 88777c478bd9Sstevel@tonic-gate * retrieved reply status into the 88787c478bd9Sstevel@tonic-gate * overall compound status 88797c478bd9Sstevel@tonic-gate */ 88807c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 88817c478bd9Sstevel@tonic-gate } 88827c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 88837c478bd9Sstevel@tonic-gate goto end; 88847c478bd9Sstevel@tonic-gate } 88857c478bd9Sstevel@tonic-gate 8886d216dff5SRobert Mastors rfs4_dbe_lock(lsp->rls_dbe); 88877c478bd9Sstevel@tonic-gate 88887c478bd9Sstevel@tonic-gate /* Make sure to update the lock sequence id */ 8889d216dff5SRobert Mastors lsp->rls_seqid = olo->lock_seqid; 88907c478bd9Sstevel@tonic-gate 88917c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 8892d216dff5SRobert Mastors (CE_NOTE, "Lock seqid established as %d", lsp->rls_seqid)); 88937c478bd9Sstevel@tonic-gate 88947c478bd9Sstevel@tonic-gate /* 88957c478bd9Sstevel@tonic-gate * This is used to signify the newly created lockowner 88967c478bd9Sstevel@tonic-gate * stateid and its sequence number. The checks for 88977c478bd9Sstevel@tonic-gate * sequence number and increment don't occur on the 88987c478bd9Sstevel@tonic-gate * very first lock request for a lockowner. 88997c478bd9Sstevel@tonic-gate */ 8900d216dff5SRobert Mastors lsp->rls_skip_seqid_check = TRUE; 89017c478bd9Sstevel@tonic-gate 89027c478bd9Sstevel@tonic-gate /* hold off other access to lsp while we tinker */ 8903d216dff5SRobert Mastors rfs4_sw_enter(&lsp->rls_sw); 89047c478bd9Sstevel@tonic-gate ls_sw_held = TRUE; 89057c478bd9Sstevel@tonic-gate 8906d216dff5SRobert Mastors rfs4_dbe_unlock(lsp->rls_dbe); 89077c478bd9Sstevel@tonic-gate 89087c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 89097c478bd9Sstevel@tonic-gate } else { 89107c478bd9Sstevel@tonic-gate stateid = &args->locker.locker4_u.lock_owner.lock_stateid; 89117c478bd9Sstevel@tonic-gate /* get lsp and hold the lock on the underlying file struct */ 89127c478bd9Sstevel@tonic-gate if ((status = rfs4_get_lo_state(stateid, &lsp, TRUE)) 89137c478bd9Sstevel@tonic-gate != NFS4_OK) { 89147c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 8915f3b585ceSsamf DTRACE_NFSV4_2(op__lock__done, struct compound_state *, 8916f3b585ceSsamf cs, LOCK4res *, resp); 89177c478bd9Sstevel@tonic-gate return; 89187c478bd9Sstevel@tonic-gate } 89197c478bd9Sstevel@tonic-gate create = FALSE; /* We didn't create lsp */ 89207c478bd9Sstevel@tonic-gate 89217c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 8922d216dff5SRobert Mastors if (cs->vp != lsp->rls_state->rs_finfo->rf_vp) { 89237c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, TRUE); 89247c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 8925f3b585ceSsamf DTRACE_NFSV4_2(op__lock__done, struct compound_state *, 8926f3b585ceSsamf cs, LOCK4res *, resp); 89277c478bd9Sstevel@tonic-gate return; 89287c478bd9Sstevel@tonic-gate } 89297c478bd9Sstevel@tonic-gate 89307c478bd9Sstevel@tonic-gate /* hold off other access to lsp while we tinker */ 8931d216dff5SRobert Mastors rfs4_sw_enter(&lsp->rls_sw); 89327c478bd9Sstevel@tonic-gate ls_sw_held = TRUE; 89337c478bd9Sstevel@tonic-gate 89347c478bd9Sstevel@tonic-gate switch (rfs4_check_lo_stateid_seqid(lsp, stateid)) { 89357c478bd9Sstevel@tonic-gate /* 89367c478bd9Sstevel@tonic-gate * The stateid looks like it was okay (expected to be 89377c478bd9Sstevel@tonic-gate * the next one) 89387c478bd9Sstevel@tonic-gate */ 89397c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 89407c478bd9Sstevel@tonic-gate /* 89417c478bd9Sstevel@tonic-gate * The sequence id is now checked. Determine 89427c478bd9Sstevel@tonic-gate * if this is a replay or if it is in the 89437c478bd9Sstevel@tonic-gate * expected (next) sequence. In the case of a 89447c478bd9Sstevel@tonic-gate * replay, there are two replay conditions 89457c478bd9Sstevel@tonic-gate * that may occur. The first is the normal 89467c478bd9Sstevel@tonic-gate * condition where a LOCK is done with a 89477c478bd9Sstevel@tonic-gate * NFS4_OK response and the stateid is 89487c478bd9Sstevel@tonic-gate * updated. That case is handled below when 89497c478bd9Sstevel@tonic-gate * the stateid is identified as a REPLAY. The 89507c478bd9Sstevel@tonic-gate * second is the case where an error is 89517c478bd9Sstevel@tonic-gate * returned, like NFS4ERR_DENIED, and the 89527c478bd9Sstevel@tonic-gate * sequence number is updated but the stateid 89537c478bd9Sstevel@tonic-gate * is not updated. This second case is dealt 89547c478bd9Sstevel@tonic-gate * with here. So it may seem odd that the 89557c478bd9Sstevel@tonic-gate * stateid is okay but the sequence id is a 89567c478bd9Sstevel@tonic-gate * replay but it is okay. 89577c478bd9Sstevel@tonic-gate */ 89587c478bd9Sstevel@tonic-gate switch (rfs4_check_lock_seqid( 89597c478bd9Sstevel@tonic-gate args->locker.locker4_u.lock_owner.lock_seqid, 89607c478bd9Sstevel@tonic-gate lsp, resop)) { 89617c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 89627c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 89637c478bd9Sstevel@tonic-gate /* 89647c478bd9Sstevel@tonic-gate * Here is our replay and need 89657c478bd9Sstevel@tonic-gate * to verify that the last 89667c478bd9Sstevel@tonic-gate * response was an error. 89677c478bd9Sstevel@tonic-gate */ 89687c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 89697c478bd9Sstevel@tonic-gate goto end; 89707c478bd9Sstevel@tonic-gate } 89717c478bd9Sstevel@tonic-gate /* 89727c478bd9Sstevel@tonic-gate * This is done since the sequence id 89737c478bd9Sstevel@tonic-gate * looked like a replay but it didn't 89747c478bd9Sstevel@tonic-gate * pass our check so a BAD_SEQID is 89757c478bd9Sstevel@tonic-gate * returned as a result. 89767c478bd9Sstevel@tonic-gate */ 89777c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 89787c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 89791b300de9Sjwahlig *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 89807c478bd9Sstevel@tonic-gate goto end; 89817c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 89827c478bd9Sstevel@tonic-gate /* Everything looks okay move ahead */ 89837c478bd9Sstevel@tonic-gate break; 89847c478bd9Sstevel@tonic-gate } 89857c478bd9Sstevel@tonic-gate break; 89867c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 89877c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 89887c478bd9Sstevel@tonic-gate goto end; 89897c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 89907c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 89917c478bd9Sstevel@tonic-gate goto end; 89927c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 89937c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 89947c478bd9Sstevel@tonic-gate goto end; 89957c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 89967c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 89977c478bd9Sstevel@tonic-gate goto end; 89987c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 89997c478bd9Sstevel@tonic-gate switch (rfs4_check_lock_seqid( 90007c478bd9Sstevel@tonic-gate args->locker.locker4_u.lock_owner.lock_seqid, 90017c478bd9Sstevel@tonic-gate lsp, resop)) { 90027c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 90037c478bd9Sstevel@tonic-gate /* 90047c478bd9Sstevel@tonic-gate * This is a replayed stateid; if 90057c478bd9Sstevel@tonic-gate * seqid matches the next expected, 90067c478bd9Sstevel@tonic-gate * then client is using wrong seqid. 90077c478bd9Sstevel@tonic-gate */ 90087c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 90091b300de9Sjwahlig *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 90107c478bd9Sstevel@tonic-gate goto end; 90117c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 9012d216dff5SRobert Mastors rfs4_update_lease(lsp->rls_locker->rl_client); 90137c478bd9Sstevel@tonic-gate *cs->statusp = status = resp->status; 90147c478bd9Sstevel@tonic-gate goto end; 90157c478bd9Sstevel@tonic-gate } 90167c478bd9Sstevel@tonic-gate break; 90177c478bd9Sstevel@tonic-gate default: 90187c478bd9Sstevel@tonic-gate ASSERT(FALSE); 90197c478bd9Sstevel@tonic-gate break; 90207c478bd9Sstevel@tonic-gate } 90217c478bd9Sstevel@tonic-gate 90227c478bd9Sstevel@tonic-gate rfs4_update_lock_sequence(lsp); 9023d216dff5SRobert Mastors rfs4_update_lease(lsp->rls_locker->rl_client); 90247c478bd9Sstevel@tonic-gate } 90257c478bd9Sstevel@tonic-gate 90267c478bd9Sstevel@tonic-gate /* 90277c478bd9Sstevel@tonic-gate * NFS4 only allows locking on regular files, so 90287c478bd9Sstevel@tonic-gate * verify type of object. 90297c478bd9Sstevel@tonic-gate */ 90307c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VREG) { 90317c478bd9Sstevel@tonic-gate if (cs->vp->v_type == VDIR) 90327c478bd9Sstevel@tonic-gate status = NFS4ERR_ISDIR; 90337c478bd9Sstevel@tonic-gate else 90347c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 90357c478bd9Sstevel@tonic-gate goto out; 90367c478bd9Sstevel@tonic-gate } 90377c478bd9Sstevel@tonic-gate 9038d216dff5SRobert Mastors cp = lsp->rls_state->rs_owner->ro_client; 90397c478bd9Sstevel@tonic-gate 90407c478bd9Sstevel@tonic-gate if (rfs4_clnt_in_grace(cp) && !args->reclaim) { 90417c478bd9Sstevel@tonic-gate status = NFS4ERR_GRACE; 90427c478bd9Sstevel@tonic-gate goto out; 90437c478bd9Sstevel@tonic-gate } 90447c478bd9Sstevel@tonic-gate 9045d216dff5SRobert Mastors if (rfs4_clnt_in_grace(cp) && args->reclaim && !cp->rc_can_reclaim) { 90467c478bd9Sstevel@tonic-gate status = NFS4ERR_NO_GRACE; 90477c478bd9Sstevel@tonic-gate goto out; 90487c478bd9Sstevel@tonic-gate } 90497c478bd9Sstevel@tonic-gate 90507c478bd9Sstevel@tonic-gate if (!rfs4_clnt_in_grace(cp) && args->reclaim) { 90517c478bd9Sstevel@tonic-gate status = NFS4ERR_NO_GRACE; 90527c478bd9Sstevel@tonic-gate goto out; 90537c478bd9Sstevel@tonic-gate } 90547c478bd9Sstevel@tonic-gate 9055d216dff5SRobert Mastors if (lsp->rls_state->rs_finfo->rf_dinfo.rd_dtype == OPEN_DELEGATE_WRITE) 90567c478bd9Sstevel@tonic-gate cs->deleg = TRUE; 90577c478bd9Sstevel@tonic-gate 90587c478bd9Sstevel@tonic-gate status = rfs4_do_lock(lsp, args->locktype, 90591b300de9Sjwahlig args->offset, args->length, cs->cr, resop); 90607c478bd9Sstevel@tonic-gate 90617c478bd9Sstevel@tonic-gate out: 9062d216dff5SRobert Mastors lsp->rls_skip_seqid_check = FALSE; 90637c478bd9Sstevel@tonic-gate 90647c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 90657c478bd9Sstevel@tonic-gate 90667c478bd9Sstevel@tonic-gate if (status == NFS4_OK) { 9067d216dff5SRobert Mastors resp->LOCK4res_u.lock_stateid = lsp->rls_lockid.stateid; 9068d216dff5SRobert Mastors lsp->rls_lock_completed = TRUE; 90697c478bd9Sstevel@tonic-gate } 90707c478bd9Sstevel@tonic-gate /* 90717c478bd9Sstevel@tonic-gate * Only update the "OPEN" response here if this was a new 90727c478bd9Sstevel@tonic-gate * lock_owner 90737c478bd9Sstevel@tonic-gate */ 90747c478bd9Sstevel@tonic-gate if (sp) 9075d216dff5SRobert Mastors rfs4_update_open_resp(sp->rs_owner, resop, NULL); 90767c478bd9Sstevel@tonic-gate 90777c478bd9Sstevel@tonic-gate rfs4_update_lock_resp(lsp, resop); 90787c478bd9Sstevel@tonic-gate 90797c478bd9Sstevel@tonic-gate end: 90807c478bd9Sstevel@tonic-gate if (lsp) { 90817c478bd9Sstevel@tonic-gate if (ls_sw_held) 9082d216dff5SRobert Mastors rfs4_sw_exit(&lsp->rls_sw); 90837c478bd9Sstevel@tonic-gate /* 90847c478bd9Sstevel@tonic-gate * If an sp obtained, then the lsp does not represent 90857c478bd9Sstevel@tonic-gate * a lock on the file struct. 90867c478bd9Sstevel@tonic-gate */ 90877c478bd9Sstevel@tonic-gate if (sp != NULL) 90887c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, FALSE); 90897c478bd9Sstevel@tonic-gate else 90907c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, TRUE); 90917c478bd9Sstevel@tonic-gate } 90927c478bd9Sstevel@tonic-gate if (sp) { 9093d216dff5SRobert Mastors rfs4_sw_exit(&sp->rs_owner->ro_sw); 90947c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 90957c478bd9Sstevel@tonic-gate } 9096f3b585ceSsamf 9097f3b585ceSsamf DTRACE_NFSV4_2(op__lock__done, struct compound_state *, cs, 9098f3b585ceSsamf LOCK4res *, resp); 90997c478bd9Sstevel@tonic-gate } 91007c478bd9Sstevel@tonic-gate 91017c478bd9Sstevel@tonic-gate /* free function for LOCK/LOCKT */ 91027c478bd9Sstevel@tonic-gate static void 91037c478bd9Sstevel@tonic-gate lock_denied_free(nfs_resop4 *resop) 91047c478bd9Sstevel@tonic-gate { 91057c478bd9Sstevel@tonic-gate LOCK4denied *dp = NULL; 91067c478bd9Sstevel@tonic-gate 91077c478bd9Sstevel@tonic-gate switch (resop->resop) { 91087c478bd9Sstevel@tonic-gate case OP_LOCK: 91097c478bd9Sstevel@tonic-gate if (resop->nfs_resop4_u.oplock.status == NFS4ERR_DENIED) 91107c478bd9Sstevel@tonic-gate dp = &resop->nfs_resop4_u.oplock.LOCK4res_u.denied; 91117c478bd9Sstevel@tonic-gate break; 91127c478bd9Sstevel@tonic-gate case OP_LOCKT: 91137c478bd9Sstevel@tonic-gate if (resop->nfs_resop4_u.oplockt.status == NFS4ERR_DENIED) 91147c478bd9Sstevel@tonic-gate dp = &resop->nfs_resop4_u.oplockt.denied; 91157c478bd9Sstevel@tonic-gate break; 91167c478bd9Sstevel@tonic-gate default: 91177c478bd9Sstevel@tonic-gate break; 91187c478bd9Sstevel@tonic-gate } 91197c478bd9Sstevel@tonic-gate 91207c478bd9Sstevel@tonic-gate if (dp) 91217c478bd9Sstevel@tonic-gate kmem_free(dp->owner.owner_val, dp->owner.owner_len); 91227c478bd9Sstevel@tonic-gate } 91237c478bd9Sstevel@tonic-gate 91247c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 91257c478bd9Sstevel@tonic-gate void 91267c478bd9Sstevel@tonic-gate rfs4_op_locku(nfs_argop4 *argop, nfs_resop4 *resop, 91277c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 91287c478bd9Sstevel@tonic-gate { 91297c478bd9Sstevel@tonic-gate LOCKU4args *args = &argop->nfs_argop4_u.oplocku; 91307c478bd9Sstevel@tonic-gate LOCKU4res *resp = &resop->nfs_resop4_u.oplocku; 91317c478bd9Sstevel@tonic-gate nfsstat4 status; 91327c478bd9Sstevel@tonic-gate stateid4 *stateid = &args->lock_stateid; 91337c478bd9Sstevel@tonic-gate rfs4_lo_state_t *lsp; 91347c478bd9Sstevel@tonic-gate 9135f3b585ceSsamf DTRACE_NFSV4_2(op__locku__start, struct compound_state *, cs, 9136f3b585ceSsamf LOCKU4args *, args); 9137f3b585ceSsamf 91387c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 91397c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 9140f3b585ceSsamf DTRACE_NFSV4_2(op__locku__done, struct compound_state *, cs, 9141f3b585ceSsamf LOCKU4res *, resp); 91427c478bd9Sstevel@tonic-gate return; 91437c478bd9Sstevel@tonic-gate } 91447c478bd9Sstevel@tonic-gate 91457c478bd9Sstevel@tonic-gate if ((status = rfs4_get_lo_state(stateid, &lsp, TRUE)) != NFS4_OK) { 91467c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 9147f3b585ceSsamf DTRACE_NFSV4_2(op__locku__done, struct compound_state *, cs, 9148f3b585ceSsamf LOCKU4res *, resp); 91497c478bd9Sstevel@tonic-gate return; 91507c478bd9Sstevel@tonic-gate } 91517c478bd9Sstevel@tonic-gate 91527c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 9153d216dff5SRobert Mastors if (cs->vp != lsp->rls_state->rs_finfo->rf_vp) { 91547c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, TRUE); 91557c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 9156f3b585ceSsamf DTRACE_NFSV4_2(op__locku__done, struct compound_state *, cs, 9157f3b585ceSsamf LOCKU4res *, resp); 91587c478bd9Sstevel@tonic-gate return; 91597c478bd9Sstevel@tonic-gate } 91607c478bd9Sstevel@tonic-gate 91617c478bd9Sstevel@tonic-gate /* hold off other access to lsp while we tinker */ 9162d216dff5SRobert Mastors rfs4_sw_enter(&lsp->rls_sw); 91637c478bd9Sstevel@tonic-gate 91647c478bd9Sstevel@tonic-gate switch (rfs4_check_lo_stateid_seqid(lsp, stateid)) { 91657c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 91667c478bd9Sstevel@tonic-gate if (rfs4_check_lock_seqid(args->seqid, lsp, resop) 91677c478bd9Sstevel@tonic-gate != NFS4_CHKSEQ_OKAY) { 91687c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 91697c478bd9Sstevel@tonic-gate goto end; 91707c478bd9Sstevel@tonic-gate } 91717c478bd9Sstevel@tonic-gate break; 91727c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 91737c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 91747c478bd9Sstevel@tonic-gate goto end; 91757c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 91767c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 91777c478bd9Sstevel@tonic-gate goto end; 91787c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 91797c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 91807c478bd9Sstevel@tonic-gate goto end; 91817c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 91827c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 91837c478bd9Sstevel@tonic-gate goto end; 91847c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 91857c478bd9Sstevel@tonic-gate switch (rfs4_check_lock_seqid(args->seqid, lsp, resop)) { 91867c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 91877c478bd9Sstevel@tonic-gate /* 91887c478bd9Sstevel@tonic-gate * This is a replayed stateid; if 91897c478bd9Sstevel@tonic-gate * seqid matches the next expected, 91907c478bd9Sstevel@tonic-gate * then client is using wrong seqid. 91917c478bd9Sstevel@tonic-gate */ 91927c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 91931b300de9Sjwahlig *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 91947c478bd9Sstevel@tonic-gate goto end; 91957c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 9196d216dff5SRobert Mastors rfs4_update_lease(lsp->rls_locker->rl_client); 91977c478bd9Sstevel@tonic-gate *cs->statusp = status = resp->status; 91987c478bd9Sstevel@tonic-gate goto end; 91997c478bd9Sstevel@tonic-gate } 92007c478bd9Sstevel@tonic-gate break; 92017c478bd9Sstevel@tonic-gate default: 92027c478bd9Sstevel@tonic-gate ASSERT(FALSE); 92037c478bd9Sstevel@tonic-gate break; 92047c478bd9Sstevel@tonic-gate } 92057c478bd9Sstevel@tonic-gate 92067c478bd9Sstevel@tonic-gate rfs4_update_lock_sequence(lsp); 9207d216dff5SRobert Mastors rfs4_update_lease(lsp->rls_locker->rl_client); 92087c478bd9Sstevel@tonic-gate 92097c478bd9Sstevel@tonic-gate /* 92107c478bd9Sstevel@tonic-gate * NFS4 only allows locking on regular files, so 92117c478bd9Sstevel@tonic-gate * verify type of object. 92127c478bd9Sstevel@tonic-gate */ 92137c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VREG) { 92147c478bd9Sstevel@tonic-gate if (cs->vp->v_type == VDIR) 92157c478bd9Sstevel@tonic-gate status = NFS4ERR_ISDIR; 92167c478bd9Sstevel@tonic-gate else 92177c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 92187c478bd9Sstevel@tonic-gate goto out; 92197c478bd9Sstevel@tonic-gate } 92207c478bd9Sstevel@tonic-gate 9221d216dff5SRobert Mastors if (rfs4_clnt_in_grace(lsp->rls_state->rs_owner->ro_client)) { 92227c478bd9Sstevel@tonic-gate status = NFS4ERR_GRACE; 92237c478bd9Sstevel@tonic-gate goto out; 92247c478bd9Sstevel@tonic-gate } 92257c478bd9Sstevel@tonic-gate 92267c478bd9Sstevel@tonic-gate status = rfs4_do_lock(lsp, args->locktype, 9227d216dff5SRobert Mastors args->offset, args->length, cs->cr, resop); 92287c478bd9Sstevel@tonic-gate 92297c478bd9Sstevel@tonic-gate out: 92307c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 92317c478bd9Sstevel@tonic-gate 92327c478bd9Sstevel@tonic-gate if (status == NFS4_OK) 9233d216dff5SRobert Mastors resp->lock_stateid = lsp->rls_lockid.stateid; 92347c478bd9Sstevel@tonic-gate 92357c478bd9Sstevel@tonic-gate rfs4_update_lock_resp(lsp, resop); 92367c478bd9Sstevel@tonic-gate 92377c478bd9Sstevel@tonic-gate end: 9238d216dff5SRobert Mastors rfs4_sw_exit(&lsp->rls_sw); 92397c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, TRUE); 9240f3b585ceSsamf 9241f3b585ceSsamf DTRACE_NFSV4_2(op__locku__done, struct compound_state *, cs, 9242f3b585ceSsamf LOCKU4res *, resp); 92437c478bd9Sstevel@tonic-gate } 92447c478bd9Sstevel@tonic-gate 92457c478bd9Sstevel@tonic-gate /* 92467c478bd9Sstevel@tonic-gate * LOCKT is a best effort routine, the client can not be guaranteed that 92477c478bd9Sstevel@tonic-gate * the status return is still in effect by the time the reply is received. 92487c478bd9Sstevel@tonic-gate * They are numerous race conditions in this routine, but we are not required 92497c478bd9Sstevel@tonic-gate * and can not be accurate. 92507c478bd9Sstevel@tonic-gate */ 92517c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 92527c478bd9Sstevel@tonic-gate void 92537c478bd9Sstevel@tonic-gate rfs4_op_lockt(nfs_argop4 *argop, nfs_resop4 *resop, 92547c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 92557c478bd9Sstevel@tonic-gate { 92567c478bd9Sstevel@tonic-gate LOCKT4args *args = &argop->nfs_argop4_u.oplockt; 92577c478bd9Sstevel@tonic-gate LOCKT4res *resp = &resop->nfs_resop4_u.oplockt; 92587c478bd9Sstevel@tonic-gate rfs4_lockowner_t *lo; 92597c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 92607c478bd9Sstevel@tonic-gate bool_t create = FALSE; 92617c478bd9Sstevel@tonic-gate struct flock64 flk; 92627c478bd9Sstevel@tonic-gate int error; 92637c478bd9Sstevel@tonic-gate int flag = FREAD | FWRITE; 92647c478bd9Sstevel@tonic-gate int ltype; 92657c478bd9Sstevel@tonic-gate length4 posix_length; 92667c478bd9Sstevel@tonic-gate sysid_t sysid; 92677c478bd9Sstevel@tonic-gate pid_t pid; 92687c478bd9Sstevel@tonic-gate 9269f3b585ceSsamf DTRACE_NFSV4_2(op__lockt__start, struct compound_state *, cs, 9270f3b585ceSsamf LOCKT4args *, args); 9271f3b585ceSsamf 92727c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 92737c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 9274f3b585ceSsamf goto out; 92757c478bd9Sstevel@tonic-gate } 92767c478bd9Sstevel@tonic-gate 92777c478bd9Sstevel@tonic-gate /* 92787c478bd9Sstevel@tonic-gate * NFS4 only allows locking on regular files, so 92797c478bd9Sstevel@tonic-gate * verify type of object. 92807c478bd9Sstevel@tonic-gate */ 92817c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VREG) { 92827c478bd9Sstevel@tonic-gate if (cs->vp->v_type == VDIR) 92837c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ISDIR; 92847c478bd9Sstevel@tonic-gate else 92857c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 9286f3b585ceSsamf goto out; 92877c478bd9Sstevel@tonic-gate } 92887c478bd9Sstevel@tonic-gate 92897c478bd9Sstevel@tonic-gate /* 92907c478bd9Sstevel@tonic-gate * Check out the clientid to ensure the server knows about it 92917c478bd9Sstevel@tonic-gate * so that we correctly inform the client of a server reboot. 92927c478bd9Sstevel@tonic-gate */ 92937c478bd9Sstevel@tonic-gate if ((cp = rfs4_findclient_by_id(args->owner.clientid, FALSE)) 92947c478bd9Sstevel@tonic-gate == NULL) { 92957c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 92967c478bd9Sstevel@tonic-gate rfs4_check_clientid(&args->owner.clientid, 0); 9297f3b585ceSsamf goto out; 92987c478bd9Sstevel@tonic-gate } 92997c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 93007c478bd9Sstevel@tonic-gate rfs4_client_close(cp); 93017c478bd9Sstevel@tonic-gate /* 93027c478bd9Sstevel@tonic-gate * Protocol doesn't allow returning NFS4ERR_STALE as 93037c478bd9Sstevel@tonic-gate * other operations do on this check so STALE_CLIENTID 93047c478bd9Sstevel@tonic-gate * is returned instead 93057c478bd9Sstevel@tonic-gate */ 93067c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_STALE_CLIENTID; 9307f3b585ceSsamf goto out; 93087c478bd9Sstevel@tonic-gate } 93097c478bd9Sstevel@tonic-gate 9310d216dff5SRobert Mastors if (rfs4_clnt_in_grace(cp) && !(cp->rc_can_reclaim)) { 93117c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_GRACE; 9312661cedadSvv149972 rfs4_client_rele(cp); 9313f3b585ceSsamf goto out; 93147c478bd9Sstevel@tonic-gate } 93157c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 93167c478bd9Sstevel@tonic-gate 93177c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 93187c478bd9Sstevel@tonic-gate 93197c478bd9Sstevel@tonic-gate switch (args->locktype) { 93207c478bd9Sstevel@tonic-gate case READ_LT: 93217c478bd9Sstevel@tonic-gate case READW_LT: 93227c478bd9Sstevel@tonic-gate ltype = F_RDLCK; 93237c478bd9Sstevel@tonic-gate break; 93247c478bd9Sstevel@tonic-gate case WRITE_LT: 93257c478bd9Sstevel@tonic-gate case WRITEW_LT: 93267c478bd9Sstevel@tonic-gate ltype = F_WRLCK; 93277c478bd9Sstevel@tonic-gate break; 93287c478bd9Sstevel@tonic-gate } 93297c478bd9Sstevel@tonic-gate 93307c478bd9Sstevel@tonic-gate posix_length = args->length; 93317c478bd9Sstevel@tonic-gate /* Check for zero length. To lock to end of file use all ones for V4 */ 93327c478bd9Sstevel@tonic-gate if (posix_length == 0) { 93337c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 9334f3b585ceSsamf goto out; 93357c478bd9Sstevel@tonic-gate } else if (posix_length == (length4)(~0)) { 93367c478bd9Sstevel@tonic-gate posix_length = 0; /* Posix to end of file */ 93377c478bd9Sstevel@tonic-gate } 93387c478bd9Sstevel@tonic-gate 93397c478bd9Sstevel@tonic-gate /* Find or create a lockowner */ 93407c478bd9Sstevel@tonic-gate lo = rfs4_findlockowner(&args->owner, &create); 93417c478bd9Sstevel@tonic-gate 93427c478bd9Sstevel@tonic-gate if (lo) { 9343d216dff5SRobert Mastors pid = lo->rl_pid; 93447c478bd9Sstevel@tonic-gate if ((resp->status = 9345d216dff5SRobert Mastors rfs4_client_sysid(lo->rl_client, &sysid)) != NFS4_OK) 9346f3b585ceSsamf goto err; 93477c478bd9Sstevel@tonic-gate } else { 93487c478bd9Sstevel@tonic-gate pid = 0; 93497c478bd9Sstevel@tonic-gate sysid = lockt_sysid; 93507c478bd9Sstevel@tonic-gate } 93517c478bd9Sstevel@tonic-gate retry: 93527c478bd9Sstevel@tonic-gate flk.l_type = ltype; 93537c478bd9Sstevel@tonic-gate flk.l_whence = 0; /* SEEK_SET */ 93547c478bd9Sstevel@tonic-gate flk.l_start = args->offset; 93557c478bd9Sstevel@tonic-gate flk.l_len = posix_length; 93567c478bd9Sstevel@tonic-gate flk.l_sysid = sysid; 93577c478bd9Sstevel@tonic-gate flk.l_pid = pid; 93587c478bd9Sstevel@tonic-gate flag |= F_REMOTELOCK; 93597c478bd9Sstevel@tonic-gate 93607c478bd9Sstevel@tonic-gate LOCK_PRINT(rfs4_debug, "rfs4_op_lockt", F_GETLK, &flk); 93617c478bd9Sstevel@tonic-gate 93627c478bd9Sstevel@tonic-gate /* Note that length4 is uint64_t but l_len and l_start are off64_t */ 93637c478bd9Sstevel@tonic-gate if (flk.l_len < 0 || flk.l_start < 0) { 93647c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 9365f3b585ceSsamf goto err; 93667c478bd9Sstevel@tonic-gate } 93677c478bd9Sstevel@tonic-gate error = VOP_FRLOCK(cs->vp, F_GETLK, &flk, flag, (u_offset_t)0, 9368da6c28aaSamw NULL, cs->cr, NULL); 93697c478bd9Sstevel@tonic-gate 93707c478bd9Sstevel@tonic-gate /* 93717c478bd9Sstevel@tonic-gate * N.B. We map error values to nfsv4 errors. This is differrent 93727c478bd9Sstevel@tonic-gate * than puterrno4 routine. 93737c478bd9Sstevel@tonic-gate */ 93747c478bd9Sstevel@tonic-gate switch (error) { 93757c478bd9Sstevel@tonic-gate case 0: 93767c478bd9Sstevel@tonic-gate if (flk.l_type == F_UNLCK) 93777c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 93787c478bd9Sstevel@tonic-gate else { 93797c478bd9Sstevel@tonic-gate if (lock_denied(&resp->denied, &flk) == NFS4ERR_EXPIRED) 93807c478bd9Sstevel@tonic-gate goto retry; 93817c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_DENIED; 93827c478bd9Sstevel@tonic-gate } 93837c478bd9Sstevel@tonic-gate break; 93847c478bd9Sstevel@tonic-gate case EOVERFLOW: 93857c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 93867c478bd9Sstevel@tonic-gate break; 93877c478bd9Sstevel@tonic-gate case EINVAL: 93887c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_NOTSUPP; 93897c478bd9Sstevel@tonic-gate break; 93907c478bd9Sstevel@tonic-gate default: 93917c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "rfs4_op_lockt: unexpected errno (%d)", 93927c478bd9Sstevel@tonic-gate error); 93937c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 93947c478bd9Sstevel@tonic-gate break; 93957c478bd9Sstevel@tonic-gate } 93967c478bd9Sstevel@tonic-gate 9397f3b585ceSsamf err: 93987c478bd9Sstevel@tonic-gate if (lo) 93997c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 94007c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 9401f3b585ceSsamf out: 9402f3b585ceSsamf DTRACE_NFSV4_2(op__lockt__done, struct compound_state *, cs, 9403f3b585ceSsamf LOCKT4res *, resp); 94047c478bd9Sstevel@tonic-gate } 94057c478bd9Sstevel@tonic-gate 9406d216dff5SRobert Mastors int 9407d216dff5SRobert Mastors rfs4_share(rfs4_state_t *sp, uint32_t access, uint32_t deny) 94087c478bd9Sstevel@tonic-gate { 94097c478bd9Sstevel@tonic-gate int err; 9410d216dff5SRobert Mastors int cmd; 9411d216dff5SRobert Mastors vnode_t *vp; 94127c478bd9Sstevel@tonic-gate struct shrlock shr; 94137c478bd9Sstevel@tonic-gate struct shr_locowner shr_loco; 9414d216dff5SRobert Mastors int fflags = 0; 94157c478bd9Sstevel@tonic-gate 9416d216dff5SRobert Mastors ASSERT(rfs4_dbe_islocked(sp->rs_dbe)); 9417d216dff5SRobert Mastors ASSERT(sp->rs_owner->ro_client->rc_sysidt != LM_NOSYSID); 94187c478bd9Sstevel@tonic-gate 9419d216dff5SRobert Mastors if (sp->rs_closed) 9420d216dff5SRobert Mastors return (NFS4ERR_OLD_STATEID); 9421d216dff5SRobert Mastors 9422d216dff5SRobert Mastors vp = sp->rs_finfo->rf_vp; 9423d216dff5SRobert Mastors ASSERT(vp); 9424d216dff5SRobert Mastors 9425d216dff5SRobert Mastors shr.s_access = shr.s_deny = 0; 9426d216dff5SRobert Mastors 9427d216dff5SRobert Mastors if (access & OPEN4_SHARE_ACCESS_READ) { 94287c478bd9Sstevel@tonic-gate fflags |= FREAD; 94297c478bd9Sstevel@tonic-gate shr.s_access |= F_RDACC; 94307c478bd9Sstevel@tonic-gate } 9431d216dff5SRobert Mastors if (access & OPEN4_SHARE_ACCESS_WRITE) { 94327c478bd9Sstevel@tonic-gate fflags |= FWRITE; 94337c478bd9Sstevel@tonic-gate shr.s_access |= F_WRACC; 94347c478bd9Sstevel@tonic-gate } 9435d216dff5SRobert Mastors ASSERT(shr.s_access); 9436d216dff5SRobert Mastors 9437d216dff5SRobert Mastors if (deny & OPEN4_SHARE_DENY_READ) 94387c478bd9Sstevel@tonic-gate shr.s_deny |= F_RDDNY; 9439d216dff5SRobert Mastors if (deny & OPEN4_SHARE_DENY_WRITE) 94407c478bd9Sstevel@tonic-gate shr.s_deny |= F_WRDNY; 94417c478bd9Sstevel@tonic-gate 9442d216dff5SRobert Mastors shr.s_pid = rfs4_dbe_getid(sp->rs_owner->ro_dbe); 9443d216dff5SRobert Mastors shr.s_sysid = sp->rs_owner->ro_client->rc_sysidt; 94447c478bd9Sstevel@tonic-gate shr_loco.sl_pid = shr.s_pid; 94457c478bd9Sstevel@tonic-gate shr_loco.sl_id = shr.s_sysid; 94467c478bd9Sstevel@tonic-gate shr.s_owner = (caddr_t)&shr_loco; 94477c478bd9Sstevel@tonic-gate shr.s_own_len = sizeof (shr_loco); 9448d216dff5SRobert Mastors 9449d216dff5SRobert Mastors cmd = nbl_need_check(vp) ? F_SHARE_NBMAND : F_SHARE; 9450d216dff5SRobert Mastors 9451d216dff5SRobert Mastors err = VOP_SHRLOCK(vp, cmd, &shr, fflags, CRED(), NULL); 9452d216dff5SRobert Mastors if (err != 0) { 9453d216dff5SRobert Mastors if (err == EAGAIN) 9454d216dff5SRobert Mastors err = NFS4ERR_SHARE_DENIED; 9455d216dff5SRobert Mastors else 9456d216dff5SRobert Mastors err = puterrno4(err); 9457d216dff5SRobert Mastors return (err); 94587c478bd9Sstevel@tonic-gate } 94597c478bd9Sstevel@tonic-gate 9460d216dff5SRobert Mastors sp->rs_share_access |= access; 9461d216dff5SRobert Mastors sp->rs_share_deny |= deny; 9462d216dff5SRobert Mastors 9463d216dff5SRobert Mastors return (0); 94647c478bd9Sstevel@tonic-gate } 94657c478bd9Sstevel@tonic-gate 9466d216dff5SRobert Mastors int 94677c478bd9Sstevel@tonic-gate rfs4_unshare(rfs4_state_t *sp) 94687c478bd9Sstevel@tonic-gate { 9469d216dff5SRobert Mastors int err; 9470d216dff5SRobert Mastors struct shrlock shr; 9471d216dff5SRobert Mastors struct shr_locowner shr_loco; 9472d216dff5SRobert Mastors 9473d216dff5SRobert Mastors ASSERT(rfs4_dbe_islocked(sp->rs_dbe)); 9474d216dff5SRobert Mastors 9475d216dff5SRobert Mastors if (sp->rs_closed || sp->rs_share_access == 0) 9476d216dff5SRobert Mastors return (0); 9477d216dff5SRobert Mastors 9478d216dff5SRobert Mastors ASSERT(sp->rs_owner->ro_client->rc_sysidt != LM_NOSYSID); 9479d216dff5SRobert Mastors ASSERT(sp->rs_finfo->rf_vp); 9480d216dff5SRobert Mastors 9481d216dff5SRobert Mastors shr.s_access = shr.s_deny = 0; 9482d216dff5SRobert Mastors shr.s_pid = rfs4_dbe_getid(sp->rs_owner->ro_dbe); 9483d216dff5SRobert Mastors shr.s_sysid = sp->rs_owner->ro_client->rc_sysidt; 9484d216dff5SRobert Mastors shr_loco.sl_pid = shr.s_pid; 9485d216dff5SRobert Mastors shr_loco.sl_id = shr.s_sysid; 9486d216dff5SRobert Mastors shr.s_owner = (caddr_t)&shr_loco; 9487d216dff5SRobert Mastors shr.s_own_len = sizeof (shr_loco); 9488d216dff5SRobert Mastors 9489d216dff5SRobert Mastors err = VOP_SHRLOCK(sp->rs_finfo->rf_vp, F_UNSHARE, &shr, 0, CRED(), 9490d216dff5SRobert Mastors NULL); 9491d216dff5SRobert Mastors if (err != 0) { 9492d216dff5SRobert Mastors err = puterrno4(err); 9493d216dff5SRobert Mastors return (err); 9494d216dff5SRobert Mastors } 9495d216dff5SRobert Mastors 9496d216dff5SRobert Mastors sp->rs_share_access = 0; 9497d216dff5SRobert Mastors sp->rs_share_deny = 0; 9498d216dff5SRobert Mastors 9499d216dff5SRobert Mastors return (0); 9500d216dff5SRobert Mastors 95017c478bd9Sstevel@tonic-gate } 95020a701b1eSRobert Gordon 95030a701b1eSRobert Gordon static int 95040a701b1eSRobert Gordon rdma_setup_read_data4(READ4args *args, READ4res *rok) 95050a701b1eSRobert Gordon { 95060a701b1eSRobert Gordon struct clist *wcl; 95070a701b1eSRobert Gordon count4 count = rok->data_len; 9508f837ee4aSSiddheshwar Mahesh int wlist_len; 95090a701b1eSRobert Gordon 95100a701b1eSRobert Gordon wcl = args->wlist; 9511f837ee4aSSiddheshwar Mahesh if (rdma_setup_read_chunks(wcl, count, &wlist_len) == FALSE) { 95120a701b1eSRobert Gordon return (FALSE); 95130a701b1eSRobert Gordon } 95140a701b1eSRobert Gordon wcl = args->wlist; 9515f837ee4aSSiddheshwar Mahesh rok->wlist_len = wlist_len; 95160a701b1eSRobert Gordon rok->wlist = wcl; 95170a701b1eSRobert Gordon return (TRUE); 95180a701b1eSRobert Gordon } 95192f172c55SRobert Thurlow 95202f172c55SRobert Thurlow /* tunable to disable server referrals */ 95212f172c55SRobert Thurlow int rfs4_no_referrals = 0; 95222f172c55SRobert Thurlow 95232f172c55SRobert Thurlow /* 95242f172c55SRobert Thurlow * Find an NFS record in reparse point data. 95252f172c55SRobert Thurlow * Returns 0 for success and <0 or an errno value on failure. 95262f172c55SRobert Thurlow */ 95272f172c55SRobert Thurlow int 95282f172c55SRobert Thurlow vn_find_nfs_record(vnode_t *vp, nvlist_t **nvlp, char **svcp, char **datap) 95292f172c55SRobert Thurlow { 95302f172c55SRobert Thurlow int err; 95312f172c55SRobert Thurlow char *stype, *val; 95322f172c55SRobert Thurlow nvlist_t *nvl; 95332f172c55SRobert Thurlow nvpair_t *curr; 95342f172c55SRobert Thurlow 95352f172c55SRobert Thurlow if ((nvl = reparse_init()) == NULL) 95362f172c55SRobert Thurlow return (-1); 95372f172c55SRobert Thurlow 95382f172c55SRobert Thurlow if ((err = reparse_vnode_parse(vp, nvl)) != 0) { 95392f172c55SRobert Thurlow reparse_free(nvl); 95402f172c55SRobert Thurlow return (err); 95412f172c55SRobert Thurlow } 95422f172c55SRobert Thurlow 95432f172c55SRobert Thurlow curr = NULL; 95442f172c55SRobert Thurlow while ((curr = nvlist_next_nvpair(nvl, curr)) != NULL) { 95452f172c55SRobert Thurlow if ((stype = nvpair_name(curr)) == NULL) { 95462f172c55SRobert Thurlow reparse_free(nvl); 95472f172c55SRobert Thurlow return (-2); 95482f172c55SRobert Thurlow } 95492f172c55SRobert Thurlow if (strncasecmp(stype, "NFS", 3) == 0) 95502f172c55SRobert Thurlow break; 95512f172c55SRobert Thurlow } 95522f172c55SRobert Thurlow 95532f172c55SRobert Thurlow if ((curr == NULL) || 95542f172c55SRobert Thurlow (nvpair_value_string(curr, &val))) { 95552f172c55SRobert Thurlow reparse_free(nvl); 95562f172c55SRobert Thurlow return (-3); 95572f172c55SRobert Thurlow } 95582f172c55SRobert Thurlow *nvlp = nvl; 95592f172c55SRobert Thurlow *svcp = stype; 95602f172c55SRobert Thurlow *datap = val; 95612f172c55SRobert Thurlow return (0); 95622f172c55SRobert Thurlow } 95632f172c55SRobert Thurlow 95642f172c55SRobert Thurlow int 95652f172c55SRobert Thurlow vn_is_nfs_reparse(vnode_t *vp, cred_t *cr) 95662f172c55SRobert Thurlow { 95672f172c55SRobert Thurlow nvlist_t *nvl; 95682f172c55SRobert Thurlow char *s, *d; 95692f172c55SRobert Thurlow 95702f172c55SRobert Thurlow if (rfs4_no_referrals != 0) 95712f172c55SRobert Thurlow return (B_FALSE); 95722f172c55SRobert Thurlow 95732f172c55SRobert Thurlow if (vn_is_reparse(vp, cr, NULL) == B_FALSE) 95742f172c55SRobert Thurlow return (B_FALSE); 95752f172c55SRobert Thurlow 95762f172c55SRobert Thurlow if (vn_find_nfs_record(vp, &nvl, &s, &d) != 0) 95772f172c55SRobert Thurlow return (B_FALSE); 95782f172c55SRobert Thurlow 95792f172c55SRobert Thurlow reparse_free(nvl); 95802f172c55SRobert Thurlow 95812f172c55SRobert Thurlow return (B_TRUE); 95822f172c55SRobert Thurlow } 95832f172c55SRobert Thurlow 95842f172c55SRobert Thurlow /* 95852f172c55SRobert Thurlow * There is a user-level copy of this routine in ref_subr.c. 95862f172c55SRobert Thurlow * Changes should be kept in sync. 95872f172c55SRobert Thurlow */ 95882f172c55SRobert Thurlow static int 95892f172c55SRobert Thurlow nfs4_create_components(char *path, component4 *comp4) 95902f172c55SRobert Thurlow { 95912f172c55SRobert Thurlow int slen, plen, ncomp; 95922f172c55SRobert Thurlow char *ori_path, *nxtc, buf[MAXNAMELEN]; 95932f172c55SRobert Thurlow 95942f172c55SRobert Thurlow if (path == NULL) 95952f172c55SRobert Thurlow return (0); 95962f172c55SRobert Thurlow 95972f172c55SRobert Thurlow plen = strlen(path) + 1; /* include the terminator */ 95982f172c55SRobert Thurlow ori_path = path; 95992f172c55SRobert Thurlow ncomp = 0; 96002f172c55SRobert Thurlow 96012f172c55SRobert Thurlow /* count number of components in the path */ 96022f172c55SRobert Thurlow for (nxtc = path; nxtc < ori_path + plen; nxtc++) { 96032f172c55SRobert Thurlow if (*nxtc == '/' || *nxtc == '\0' || *nxtc == '\n') { 96042f172c55SRobert Thurlow if ((slen = nxtc - path) == 0) { 96052f172c55SRobert Thurlow path = nxtc + 1; 96062f172c55SRobert Thurlow continue; 96072f172c55SRobert Thurlow } 96082f172c55SRobert Thurlow 96092f172c55SRobert Thurlow if (comp4 != NULL) { 96102f172c55SRobert Thurlow bcopy(path, buf, slen); 96112f172c55SRobert Thurlow buf[slen] = '\0'; 96125301ec54SRobert Thurlow (void) str_to_utf8(buf, &comp4[ncomp]); 96132f172c55SRobert Thurlow } 96142f172c55SRobert Thurlow 96152f172c55SRobert Thurlow ncomp++; /* 1 valid component */ 96162f172c55SRobert Thurlow path = nxtc + 1; 96172f172c55SRobert Thurlow } 96182f172c55SRobert Thurlow if (*nxtc == '\0' || *nxtc == '\n') 96192f172c55SRobert Thurlow break; 96202f172c55SRobert Thurlow } 96212f172c55SRobert Thurlow 96222f172c55SRobert Thurlow return (ncomp); 96232f172c55SRobert Thurlow } 96242f172c55SRobert Thurlow 96252f172c55SRobert Thurlow /* 96262f172c55SRobert Thurlow * There is a user-level copy of this routine in ref_subr.c. 96272f172c55SRobert Thurlow * Changes should be kept in sync. 96282f172c55SRobert Thurlow */ 96292f172c55SRobert Thurlow static int 96302f172c55SRobert Thurlow make_pathname4(char *path, pathname4 *pathname) 96312f172c55SRobert Thurlow { 96322f172c55SRobert Thurlow int ncomp; 96332f172c55SRobert Thurlow component4 *comp4; 96342f172c55SRobert Thurlow 96352f172c55SRobert Thurlow if (pathname == NULL) 96362f172c55SRobert Thurlow return (0); 96372f172c55SRobert Thurlow 96382f172c55SRobert Thurlow if (path == NULL) { 96392f172c55SRobert Thurlow pathname->pathname4_val = NULL; 96402f172c55SRobert Thurlow pathname->pathname4_len = 0; 96412f172c55SRobert Thurlow return (0); 96422f172c55SRobert Thurlow } 96432f172c55SRobert Thurlow 96442f172c55SRobert Thurlow /* count number of components to alloc buffer */ 96452f172c55SRobert Thurlow if ((ncomp = nfs4_create_components(path, NULL)) == 0) { 96462f172c55SRobert Thurlow pathname->pathname4_val = NULL; 96472f172c55SRobert Thurlow pathname->pathname4_len = 0; 96482f172c55SRobert Thurlow return (0); 96492f172c55SRobert Thurlow } 96502f172c55SRobert Thurlow comp4 = kmem_zalloc(ncomp * sizeof (component4), KM_SLEEP); 96512f172c55SRobert Thurlow 96522f172c55SRobert Thurlow /* copy components into allocated buffer */ 96532f172c55SRobert Thurlow ncomp = nfs4_create_components(path, comp4); 96542f172c55SRobert Thurlow 96552f172c55SRobert Thurlow pathname->pathname4_val = comp4; 96562f172c55SRobert Thurlow pathname->pathname4_len = ncomp; 96572f172c55SRobert Thurlow 96582f172c55SRobert Thurlow return (ncomp); 96592f172c55SRobert Thurlow } 96602f172c55SRobert Thurlow 96612f172c55SRobert Thurlow #define xdr_fs_locations4 xdr_fattr4_fs_locations 96622f172c55SRobert Thurlow 96632f172c55SRobert Thurlow fs_locations4 * 96642f172c55SRobert Thurlow fetch_referral(vnode_t *vp, cred_t *cr) 96652f172c55SRobert Thurlow { 96662f172c55SRobert Thurlow nvlist_t *nvl; 96672f172c55SRobert Thurlow char *stype, *sdata; 96682f172c55SRobert Thurlow fs_locations4 *result; 96692f172c55SRobert Thurlow char buf[1024]; 96702f172c55SRobert Thurlow size_t bufsize; 96712f172c55SRobert Thurlow XDR xdr; 96722f172c55SRobert Thurlow int err; 96732f172c55SRobert Thurlow 96742f172c55SRobert Thurlow /* 96752f172c55SRobert Thurlow * Check attrs to ensure it's a reparse point 96762f172c55SRobert Thurlow */ 96772f172c55SRobert Thurlow if (vn_is_reparse(vp, cr, NULL) == B_FALSE) 96782f172c55SRobert Thurlow return (NULL); 96792f172c55SRobert Thurlow 96802f172c55SRobert Thurlow /* 96812f172c55SRobert Thurlow * Look for an NFS record and get the type and data 96822f172c55SRobert Thurlow */ 96832f172c55SRobert Thurlow if (vn_find_nfs_record(vp, &nvl, &stype, &sdata) != 0) 96842f172c55SRobert Thurlow return (NULL); 96852f172c55SRobert Thurlow 96862f172c55SRobert Thurlow /* 96872f172c55SRobert Thurlow * With the type and data, upcall to get the referral 96882f172c55SRobert Thurlow */ 96892f172c55SRobert Thurlow bufsize = sizeof (buf); 96902f172c55SRobert Thurlow bzero(buf, sizeof (buf)); 96912f172c55SRobert Thurlow err = reparse_kderef((const char *)stype, (const char *)sdata, 96922f172c55SRobert Thurlow buf, &bufsize); 96932f172c55SRobert Thurlow reparse_free(nvl); 96942f172c55SRobert Thurlow 96952f172c55SRobert Thurlow DTRACE_PROBE4(nfs4serv__func__referral__upcall, 96962f172c55SRobert Thurlow char *, stype, char *, sdata, char *, buf, int, err); 96972f172c55SRobert Thurlow if (err) { 96982f172c55SRobert Thurlow cmn_err(CE_NOTE, 96992f172c55SRobert Thurlow "reparsed daemon not running: unable to get referral (%d)", 97002f172c55SRobert Thurlow err); 97012f172c55SRobert Thurlow return (NULL); 97022f172c55SRobert Thurlow } 97032f172c55SRobert Thurlow 97042f172c55SRobert Thurlow /* 97052f172c55SRobert Thurlow * We get an XDR'ed record back from the kderef call 97062f172c55SRobert Thurlow */ 97072f172c55SRobert Thurlow xdrmem_create(&xdr, buf, bufsize, XDR_DECODE); 97082f172c55SRobert Thurlow result = kmem_alloc(sizeof (fs_locations4), KM_SLEEP); 97092f172c55SRobert Thurlow err = xdr_fs_locations4(&xdr, result); 97102f172c55SRobert Thurlow XDR_DESTROY(&xdr); 97112f172c55SRobert Thurlow if (err != TRUE) { 97122f172c55SRobert Thurlow DTRACE_PROBE1(nfs4serv__func__referral__upcall__xdrfail, 97132f172c55SRobert Thurlow int, err); 97142f172c55SRobert Thurlow return (NULL); 97152f172c55SRobert Thurlow } 97162f172c55SRobert Thurlow 97172f172c55SRobert Thurlow /* 97182f172c55SRobert Thurlow * Look at path to recover fs_root, ignoring the leading '/' 97192f172c55SRobert Thurlow */ 97202f172c55SRobert Thurlow (void) make_pathname4(vp->v_path, &result->fs_root); 97212f172c55SRobert Thurlow 97222f172c55SRobert Thurlow return (result); 97232f172c55SRobert Thurlow } 97242f172c55SRobert Thurlow 97252f172c55SRobert Thurlow char * 97262f172c55SRobert Thurlow build_symlink(vnode_t *vp, cred_t *cr, size_t *strsz) 97272f172c55SRobert Thurlow { 97282f172c55SRobert Thurlow fs_locations4 *fsl; 97292f172c55SRobert Thurlow fs_location4 *fs; 97302f172c55SRobert Thurlow char *server, *path, *symbuf; 97312f172c55SRobert Thurlow static char *prefix = "/net/"; 97322f172c55SRobert Thurlow int i, size, npaths; 97332f172c55SRobert Thurlow uint_t len; 97342f172c55SRobert Thurlow 97352f172c55SRobert Thurlow /* Get the referral */ 97362f172c55SRobert Thurlow if ((fsl = fetch_referral(vp, cr)) == NULL) 97372f172c55SRobert Thurlow return (NULL); 97382f172c55SRobert Thurlow 97392f172c55SRobert Thurlow /* Deal with only the first location and first server */ 97402f172c55SRobert Thurlow fs = &fsl->locations_val[0]; 97412f172c55SRobert Thurlow server = utf8_to_str(&fs->server_val[0], &len, NULL); 97422f172c55SRobert Thurlow if (server == NULL) { 97432f172c55SRobert Thurlow rfs4_free_fs_locations4(fsl); 97442f172c55SRobert Thurlow kmem_free(fsl, sizeof (fs_locations4)); 97452f172c55SRobert Thurlow return (NULL); 97462f172c55SRobert Thurlow } 97472f172c55SRobert Thurlow 97482f172c55SRobert Thurlow /* Figure out size for "/net/" + host + /path/path/path + NULL */ 97492f172c55SRobert Thurlow size = strlen(prefix) + len; 97502f172c55SRobert Thurlow for (i = 0; i < fs->rootpath.pathname4_len; i++) 97512f172c55SRobert Thurlow size += fs->rootpath.pathname4_val[i].utf8string_len + 1; 97522f172c55SRobert Thurlow 97532f172c55SRobert Thurlow /* Allocate the symlink buffer and fill it */ 97542f172c55SRobert Thurlow symbuf = kmem_zalloc(size, KM_SLEEP); 97552f172c55SRobert Thurlow (void) strcat(symbuf, prefix); 97562f172c55SRobert Thurlow (void) strcat(symbuf, server); 97572f172c55SRobert Thurlow kmem_free(server, len); 97582f172c55SRobert Thurlow 97592f172c55SRobert Thurlow npaths = 0; 97602f172c55SRobert Thurlow for (i = 0; i < fs->rootpath.pathname4_len; i++) { 97612f172c55SRobert Thurlow path = utf8_to_str(&fs->rootpath.pathname4_val[i], &len, NULL); 97622f172c55SRobert Thurlow if (path == NULL) 97632f172c55SRobert Thurlow continue; 97642f172c55SRobert Thurlow (void) strcat(symbuf, "/"); 97652f172c55SRobert Thurlow (void) strcat(symbuf, path); 97662f172c55SRobert Thurlow npaths++; 97672f172c55SRobert Thurlow kmem_free(path, len); 97682f172c55SRobert Thurlow } 97692f172c55SRobert Thurlow 97702f172c55SRobert Thurlow rfs4_free_fs_locations4(fsl); 97712f172c55SRobert Thurlow kmem_free(fsl, sizeof (fs_locations4)); 97722f172c55SRobert Thurlow 97732f172c55SRobert Thurlow if (strsz != NULL) 97742f172c55SRobert Thurlow *strsz = size; 97752f172c55SRobert Thurlow return (symbuf); 97762f172c55SRobert Thurlow } 97772f172c55SRobert Thurlow 97782f172c55SRobert Thurlow /* 97792f172c55SRobert Thurlow * Check to see if we have a downrev Solaris client, so that we 97802f172c55SRobert Thurlow * can send it a symlink instead of a referral. 97812f172c55SRobert Thurlow */ 97822f172c55SRobert Thurlow int 97832f172c55SRobert Thurlow client_is_downrev(struct svc_req *req) 97842f172c55SRobert Thurlow { 97852f172c55SRobert Thurlow struct sockaddr *ca; 97862f172c55SRobert Thurlow rfs4_clntip_t *ci; 97872f172c55SRobert Thurlow bool_t create = FALSE; 97882f172c55SRobert Thurlow int is_downrev; 97892f172c55SRobert Thurlow 97902f172c55SRobert Thurlow ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 97912f172c55SRobert Thurlow ASSERT(ca); 97922f172c55SRobert Thurlow ci = rfs4_find_clntip(ca, &create); 97932f172c55SRobert Thurlow if (ci == NULL) 97942f172c55SRobert Thurlow return (0); 97952f172c55SRobert Thurlow is_downrev = ci->ri_no_referrals; 97962f172c55SRobert Thurlow rfs4_dbe_rele(ci->ri_dbe); 97972f172c55SRobert Thurlow return (is_downrev); 97982f172c55SRobert Thurlow } 9799