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 */ 21*6e062f4aSMarcel Telka 227c478bd9Sstevel@tonic-gate /* 23*6e062f4aSMarcel Telka * Copyright 2015 Nexenta Systems, Inc. All rights reserved. 24bffeae97SMarcel Telka * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. 25e36d7b11SSebastien Roy * Copyright (c) 2012 by Delphix. All rights reserved. 2615721462SDaniil Lunev */ 277c478bd9Sstevel@tonic-gate 287c478bd9Sstevel@tonic-gate /* 297c478bd9Sstevel@tonic-gate * Copyright (c) 1983,1984,1985,1986,1987,1988,1989 AT&T. 307c478bd9Sstevel@tonic-gate * All Rights Reserved 317c478bd9Sstevel@tonic-gate */ 327c478bd9Sstevel@tonic-gate 337c478bd9Sstevel@tonic-gate #include <sys/param.h> 347c478bd9Sstevel@tonic-gate #include <sys/types.h> 357c478bd9Sstevel@tonic-gate #include <sys/systm.h> 367c478bd9Sstevel@tonic-gate #include <sys/cred.h> 377c478bd9Sstevel@tonic-gate #include <sys/buf.h> 387c478bd9Sstevel@tonic-gate #include <sys/vfs.h> 39aa59c4cbSrsb #include <sys/vfs_opreg.h> 407c478bd9Sstevel@tonic-gate #include <sys/vnode.h> 417c478bd9Sstevel@tonic-gate #include <sys/uio.h> 427c478bd9Sstevel@tonic-gate #include <sys/errno.h> 437c478bd9Sstevel@tonic-gate #include <sys/sysmacros.h> 447c478bd9Sstevel@tonic-gate #include <sys/statvfs.h> 457c478bd9Sstevel@tonic-gate #include <sys/kmem.h> 467c478bd9Sstevel@tonic-gate #include <sys/dirent.h> 477c478bd9Sstevel@tonic-gate #include <sys/cmn_err.h> 487c478bd9Sstevel@tonic-gate #include <sys/debug.h> 497c478bd9Sstevel@tonic-gate #include <sys/systeminfo.h> 507c478bd9Sstevel@tonic-gate #include <sys/flock.h> 517c478bd9Sstevel@tonic-gate #include <sys/pathname.h> 527c478bd9Sstevel@tonic-gate #include <sys/nbmlock.h> 537c478bd9Sstevel@tonic-gate #include <sys/share.h> 547c478bd9Sstevel@tonic-gate #include <sys/atomic.h> 557c478bd9Sstevel@tonic-gate #include <sys/policy.h> 567c478bd9Sstevel@tonic-gate #include <sys/fem.h> 5745916cd2Sjpk #include <sys/sdt.h> 58cee86682Scalum #include <sys/ddi.h> 595679c89fSjv227347 #include <sys/zone.h> 607c478bd9Sstevel@tonic-gate 612f172c55SRobert Thurlow #include <fs/fs_reparse.h> 622f172c55SRobert Thurlow 637c478bd9Sstevel@tonic-gate #include <rpc/types.h> 647c478bd9Sstevel@tonic-gate #include <rpc/auth.h> 657c478bd9Sstevel@tonic-gate #include <rpc/rpcsec_gss.h> 667c478bd9Sstevel@tonic-gate #include <rpc/svc.h> 677c478bd9Sstevel@tonic-gate 687c478bd9Sstevel@tonic-gate #include <nfs/nfs.h> 697c478bd9Sstevel@tonic-gate #include <nfs/export.h> 70b89a8333Snatalie li - Sun Microsystems - Irvine United States #include <nfs/nfs_cmd.h> 717c478bd9Sstevel@tonic-gate #include <nfs/lm.h> 727c478bd9Sstevel@tonic-gate #include <nfs/nfs4.h> 737c478bd9Sstevel@tonic-gate 747c478bd9Sstevel@tonic-gate #include <sys/strsubr.h> 757c478bd9Sstevel@tonic-gate #include <sys/strsun.h> 767c478bd9Sstevel@tonic-gate 777c478bd9Sstevel@tonic-gate #include <inet/common.h> 787c478bd9Sstevel@tonic-gate #include <inet/ip.h> 797c478bd9Sstevel@tonic-gate #include <inet/ip6.h> 807c478bd9Sstevel@tonic-gate 8145916cd2Sjpk #include <sys/tsol/label.h> 8245916cd2Sjpk #include <sys/tsol/tndb.h> 8345916cd2Sjpk 847c478bd9Sstevel@tonic-gate #define RFS4_MAXLOCK_TRIES 4 /* Try to get the lock this many times */ 857c478bd9Sstevel@tonic-gate static int rfs4_maxlock_tries = RFS4_MAXLOCK_TRIES; 867c478bd9Sstevel@tonic-gate #define RFS4_LOCK_DELAY 10 /* Milliseconds */ 877c478bd9Sstevel@tonic-gate static clock_t rfs4_lock_delay = RFS4_LOCK_DELAY; 880a701b1eSRobert Gordon extern struct svc_ops rdma_svc_ops; 89c242f9a0Schunli zhang - Sun Microsystems - Irvine United States extern int nfs_loaned_buffers; 90c242f9a0Schunli zhang - Sun Microsystems - Irvine United States /* End of Tunables */ 917c478bd9Sstevel@tonic-gate 920a701b1eSRobert Gordon static int rdma_setup_read_data4(READ4args *, READ4res *); 930a701b1eSRobert Gordon 947c478bd9Sstevel@tonic-gate /* 957c478bd9Sstevel@tonic-gate * Used to bump the stateid4.seqid value and show changes in the stateid 967c478bd9Sstevel@tonic-gate */ 977c478bd9Sstevel@tonic-gate #define next_stateid(sp) (++(sp)->bits.chgseq) 987c478bd9Sstevel@tonic-gate 997c478bd9Sstevel@tonic-gate /* 1007c478bd9Sstevel@tonic-gate * RFS4_MINLEN_ENTRY4: XDR-encoded size of smallest possible dirent. 1017c478bd9Sstevel@tonic-gate * This is used to return NFS4ERR_TOOSMALL when clients specify 1027c478bd9Sstevel@tonic-gate * maxcount that isn't large enough to hold the smallest possible 1037c478bd9Sstevel@tonic-gate * XDR encoded dirent. 1047c478bd9Sstevel@tonic-gate * 1057c478bd9Sstevel@tonic-gate * sizeof cookie (8 bytes) + 1067c478bd9Sstevel@tonic-gate * sizeof name_len (4 bytes) + 1077c478bd9Sstevel@tonic-gate * sizeof smallest (padded) name (4 bytes) + 1087c478bd9Sstevel@tonic-gate * sizeof bitmap4_len (12 bytes) + NOTE: we always encode len=2 bm4 1097c478bd9Sstevel@tonic-gate * sizeof attrlist4_len (4 bytes) + 1107c478bd9Sstevel@tonic-gate * sizeof next boolean (4 bytes) 1117c478bd9Sstevel@tonic-gate * 1127c478bd9Sstevel@tonic-gate * RFS4_MINLEN_RDDIR4: XDR-encoded size of READDIR op reply containing 1137c478bd9Sstevel@tonic-gate * the smallest possible entry4 (assumes no attrs requested). 1147c478bd9Sstevel@tonic-gate * sizeof nfsstat4 (4 bytes) + 1157c478bd9Sstevel@tonic-gate * sizeof verifier4 (8 bytes) + 1167c478bd9Sstevel@tonic-gate * sizeof entry4list bool (4 bytes) + 1177c478bd9Sstevel@tonic-gate * sizeof entry4 (36 bytes) + 1187c478bd9Sstevel@tonic-gate * sizeof eof bool (4 bytes) 1197c478bd9Sstevel@tonic-gate * 1207c478bd9Sstevel@tonic-gate * RFS4_MINLEN_RDDIR_BUF: minimum length of buffer server will provide to 1217c478bd9Sstevel@tonic-gate * VOP_READDIR. Its value is the size of the maximum possible dirent 1227c478bd9Sstevel@tonic-gate * for solaris. The DIRENT64_RECLEN macro returns the size of dirent 1237c478bd9Sstevel@tonic-gate * required for a given name length. MAXNAMELEN is the maximum 1247c478bd9Sstevel@tonic-gate * filename length allowed in Solaris. The first two DIRENT64_RECLEN() 1257c478bd9Sstevel@tonic-gate * macros are to allow for . and .. entries -- just a minor tweak to try 1267c478bd9Sstevel@tonic-gate * and guarantee that buffer we give to VOP_READDIR will be large enough 1277c478bd9Sstevel@tonic-gate * to hold ., .., and the largest possible solaris dirent64. 1287c478bd9Sstevel@tonic-gate */ 1297c478bd9Sstevel@tonic-gate #define RFS4_MINLEN_ENTRY4 36 1307c478bd9Sstevel@tonic-gate #define RFS4_MINLEN_RDDIR4 (4 + NFS4_VERIFIER_SIZE + 4 + RFS4_MINLEN_ENTRY4 + 4) 1317c478bd9Sstevel@tonic-gate #define RFS4_MINLEN_RDDIR_BUF \ 1327c478bd9Sstevel@tonic-gate (DIRENT64_RECLEN(1) + DIRENT64_RECLEN(2) + DIRENT64_RECLEN(MAXNAMELEN)) 1337c478bd9Sstevel@tonic-gate 1347c478bd9Sstevel@tonic-gate /* 1357c478bd9Sstevel@tonic-gate * It would be better to pad to 4 bytes since that's what XDR would do, 1367c478bd9Sstevel@tonic-gate * but the dirents UFS gives us are already padded to 8, so just take 1377c478bd9Sstevel@tonic-gate * what we're given. Dircount is only a hint anyway. Currently the 1387c478bd9Sstevel@tonic-gate * solaris kernel is ASCII only, so there's no point in calling the 1397c478bd9Sstevel@tonic-gate * UTF8 functions. 1407c478bd9Sstevel@tonic-gate * 1417c478bd9Sstevel@tonic-gate * dirent64: named padded to provide 8 byte struct alignment 1427c478bd9Sstevel@tonic-gate * d_ino(8) + d_off(8) + d_reclen(2) + d_name(namelen + null(1) + pad) 1437c478bd9Sstevel@tonic-gate * 1447c478bd9Sstevel@tonic-gate * cookie: uint64_t + utf8namelen: uint_t + utf8name padded to 8 bytes 1457c478bd9Sstevel@tonic-gate * 1467c478bd9Sstevel@tonic-gate */ 1477c478bd9Sstevel@tonic-gate #define DIRENT64_TO_DIRCOUNT(dp) \ 1487c478bd9Sstevel@tonic-gate (3 * BYTES_PER_XDR_UNIT + DIRENT64_NAMELEN((dp)->d_reclen)) 1497c478bd9Sstevel@tonic-gate 1507c478bd9Sstevel@tonic-gate time_t rfs4_start_time; /* Initialized in rfs4_srvrinit */ 1517c478bd9Sstevel@tonic-gate 1527c478bd9Sstevel@tonic-gate static sysid_t lockt_sysid; /* dummy sysid for all LOCKT calls */ 1537c478bd9Sstevel@tonic-gate 1547c478bd9Sstevel@tonic-gate u_longlong_t nfs4_srv_caller_id; 1551b300de9Sjwahlig uint_t nfs4_srv_vkey = 0; 1567c478bd9Sstevel@tonic-gate 1577c478bd9Sstevel@tonic-gate verifier4 Write4verf; 1587c478bd9Sstevel@tonic-gate verifier4 Readdir4verf; 1597c478bd9Sstevel@tonic-gate 1607c478bd9Sstevel@tonic-gate void rfs4_init_compound_state(struct compound_state *); 1617c478bd9Sstevel@tonic-gate 1627c478bd9Sstevel@tonic-gate static void nullfree(caddr_t); 1637c478bd9Sstevel@tonic-gate static void rfs4_op_inval(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1647c478bd9Sstevel@tonic-gate struct compound_state *); 1657c478bd9Sstevel@tonic-gate static void rfs4_op_access(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1667c478bd9Sstevel@tonic-gate struct compound_state *); 1677c478bd9Sstevel@tonic-gate static void rfs4_op_close(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1687c478bd9Sstevel@tonic-gate struct compound_state *); 1697c478bd9Sstevel@tonic-gate static void rfs4_op_commit(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1707c478bd9Sstevel@tonic-gate struct compound_state *); 1717c478bd9Sstevel@tonic-gate static void rfs4_op_create(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1727c478bd9Sstevel@tonic-gate struct compound_state *); 1737c478bd9Sstevel@tonic-gate static void rfs4_op_create_free(nfs_resop4 *resop); 1747c478bd9Sstevel@tonic-gate static void rfs4_op_delegreturn(nfs_argop4 *, nfs_resop4 *, 1757c478bd9Sstevel@tonic-gate struct svc_req *, struct compound_state *); 176f3b585ceSsamf static void rfs4_op_delegpurge(nfs_argop4 *, nfs_resop4 *, 177f3b585ceSsamf struct svc_req *, struct compound_state *); 1787c478bd9Sstevel@tonic-gate static void rfs4_op_getattr(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1797c478bd9Sstevel@tonic-gate struct compound_state *); 1807c478bd9Sstevel@tonic-gate static void rfs4_op_getattr_free(nfs_resop4 *); 1817c478bd9Sstevel@tonic-gate static void rfs4_op_getfh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1827c478bd9Sstevel@tonic-gate struct compound_state *); 1837c478bd9Sstevel@tonic-gate static void rfs4_op_getfh_free(nfs_resop4 *); 1847c478bd9Sstevel@tonic-gate static void rfs4_op_illegal(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1857c478bd9Sstevel@tonic-gate struct compound_state *); 1867c478bd9Sstevel@tonic-gate static void rfs4_op_link(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1877c478bd9Sstevel@tonic-gate struct compound_state *); 1887c478bd9Sstevel@tonic-gate static void rfs4_op_lock(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1897c478bd9Sstevel@tonic-gate struct compound_state *); 1907c478bd9Sstevel@tonic-gate static void lock_denied_free(nfs_resop4 *); 1917c478bd9Sstevel@tonic-gate static void rfs4_op_locku(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1927c478bd9Sstevel@tonic-gate struct compound_state *); 1937c478bd9Sstevel@tonic-gate static void rfs4_op_lockt(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1947c478bd9Sstevel@tonic-gate struct compound_state *); 1957c478bd9Sstevel@tonic-gate static void rfs4_op_lookup(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1967c478bd9Sstevel@tonic-gate struct compound_state *); 1977c478bd9Sstevel@tonic-gate static void rfs4_op_lookupp(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 1987c478bd9Sstevel@tonic-gate struct compound_state *); 1997c478bd9Sstevel@tonic-gate static void rfs4_op_openattr(nfs_argop4 *argop, nfs_resop4 *resop, 2007c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs); 2017c478bd9Sstevel@tonic-gate static void rfs4_op_nverify(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2027c478bd9Sstevel@tonic-gate struct compound_state *); 2037c478bd9Sstevel@tonic-gate static void rfs4_op_open(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2047c478bd9Sstevel@tonic-gate struct compound_state *); 2057c478bd9Sstevel@tonic-gate static void rfs4_op_open_confirm(nfs_argop4 *, nfs_resop4 *, 2067c478bd9Sstevel@tonic-gate struct svc_req *, struct compound_state *); 2077c478bd9Sstevel@tonic-gate static void rfs4_op_open_downgrade(nfs_argop4 *, nfs_resop4 *, 2087c478bd9Sstevel@tonic-gate struct svc_req *, struct compound_state *); 2097c478bd9Sstevel@tonic-gate static void rfs4_op_putfh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2107c478bd9Sstevel@tonic-gate struct compound_state *); 2117c478bd9Sstevel@tonic-gate static void rfs4_op_putpubfh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2127c478bd9Sstevel@tonic-gate struct compound_state *); 2137c478bd9Sstevel@tonic-gate static void rfs4_op_putrootfh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2147c478bd9Sstevel@tonic-gate struct compound_state *); 2157c478bd9Sstevel@tonic-gate static void rfs4_op_read(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2167c478bd9Sstevel@tonic-gate struct compound_state *); 2177c478bd9Sstevel@tonic-gate static void rfs4_op_read_free(nfs_resop4 *); 2187c478bd9Sstevel@tonic-gate static void rfs4_op_readdir_free(nfs_resop4 *resop); 2197c478bd9Sstevel@tonic-gate static void rfs4_op_readlink(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2207c478bd9Sstevel@tonic-gate struct compound_state *); 2217c478bd9Sstevel@tonic-gate static void rfs4_op_readlink_free(nfs_resop4 *); 2227c478bd9Sstevel@tonic-gate static void rfs4_op_release_lockowner(nfs_argop4 *, nfs_resop4 *, 2237c478bd9Sstevel@tonic-gate struct svc_req *, struct compound_state *); 2247c478bd9Sstevel@tonic-gate static void rfs4_op_remove(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2257c478bd9Sstevel@tonic-gate struct compound_state *); 2267c478bd9Sstevel@tonic-gate static void rfs4_op_rename(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2277c478bd9Sstevel@tonic-gate struct compound_state *); 2287c478bd9Sstevel@tonic-gate static void rfs4_op_renew(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2297c478bd9Sstevel@tonic-gate struct compound_state *); 2307c478bd9Sstevel@tonic-gate static void rfs4_op_restorefh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2317c478bd9Sstevel@tonic-gate struct compound_state *); 2327c478bd9Sstevel@tonic-gate static void rfs4_op_savefh(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2337c478bd9Sstevel@tonic-gate struct compound_state *); 2347c478bd9Sstevel@tonic-gate static void rfs4_op_setattr(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2357c478bd9Sstevel@tonic-gate struct compound_state *); 2367c478bd9Sstevel@tonic-gate static void rfs4_op_verify(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2377c478bd9Sstevel@tonic-gate struct compound_state *); 2387c478bd9Sstevel@tonic-gate static void rfs4_op_write(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2397c478bd9Sstevel@tonic-gate struct compound_state *); 2407c478bd9Sstevel@tonic-gate static void rfs4_op_setclientid(nfs_argop4 *, nfs_resop4 *, 2417c478bd9Sstevel@tonic-gate struct svc_req *, struct compound_state *); 2427c478bd9Sstevel@tonic-gate static void rfs4_op_setclientid_confirm(nfs_argop4 *, nfs_resop4 *, 2437c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *); 2447c478bd9Sstevel@tonic-gate static void rfs4_op_secinfo(nfs_argop4 *, nfs_resop4 *, struct svc_req *, 2457c478bd9Sstevel@tonic-gate struct compound_state *); 2467c478bd9Sstevel@tonic-gate static void rfs4_op_secinfo_free(nfs_resop4 *); 2477c478bd9Sstevel@tonic-gate 2487c478bd9Sstevel@tonic-gate static nfsstat4 check_open_access(uint32_t, 2497c478bd9Sstevel@tonic-gate struct compound_state *, struct svc_req *); 2507c478bd9Sstevel@tonic-gate nfsstat4 rfs4_client_sysid(rfs4_client_t *, sysid_t *); 2512f172c55SRobert Thurlow void rfs4_ss_clid(rfs4_client_t *); 2527c478bd9Sstevel@tonic-gate 2537c478bd9Sstevel@tonic-gate /* 2547c478bd9Sstevel@tonic-gate * translation table for attrs 2557c478bd9Sstevel@tonic-gate */ 2567c478bd9Sstevel@tonic-gate struct nfs4_ntov_table { 2577c478bd9Sstevel@tonic-gate union nfs4_attr_u *na; 2587c478bd9Sstevel@tonic-gate uint8_t amap[NFS4_MAXNUM_ATTRS]; 2597c478bd9Sstevel@tonic-gate int attrcnt; 2607c478bd9Sstevel@tonic-gate bool_t vfsstat; 2617c478bd9Sstevel@tonic-gate }; 2627c478bd9Sstevel@tonic-gate 2637c478bd9Sstevel@tonic-gate static void nfs4_ntov_table_init(struct nfs4_ntov_table *ntovp); 2647c478bd9Sstevel@tonic-gate static void nfs4_ntov_table_free(struct nfs4_ntov_table *ntovp, 2657c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg *sargp); 2667c478bd9Sstevel@tonic-gate 2677c478bd9Sstevel@tonic-gate static nfsstat4 do_rfs4_set_attrs(bitmap4 *resp, fattr4 *fattrp, 2687c478bd9Sstevel@tonic-gate struct compound_state *cs, struct nfs4_svgetit_arg *sargp, 2697c478bd9Sstevel@tonic-gate struct nfs4_ntov_table *ntovp, nfs4_attr_cmd_t cmd); 2707c478bd9Sstevel@tonic-gate 2717c478bd9Sstevel@tonic-gate fem_t *deleg_rdops; 2727c478bd9Sstevel@tonic-gate fem_t *deleg_wrops; 2737c478bd9Sstevel@tonic-gate 2747c478bd9Sstevel@tonic-gate rfs4_servinst_t *rfs4_cur_servinst = NULL; /* current server instance */ 2757c478bd9Sstevel@tonic-gate kmutex_t rfs4_servinst_lock; /* protects linked list */ 2767c478bd9Sstevel@tonic-gate int rfs4_seen_first_compound; /* set first time we see one */ 2777c478bd9Sstevel@tonic-gate 2787c478bd9Sstevel@tonic-gate /* 2797c478bd9Sstevel@tonic-gate * NFS4 op dispatch table 2807c478bd9Sstevel@tonic-gate */ 2817c478bd9Sstevel@tonic-gate 2827c478bd9Sstevel@tonic-gate struct rfsv4disp { 2837c478bd9Sstevel@tonic-gate void (*dis_proc)(); /* proc to call */ 2847c478bd9Sstevel@tonic-gate void (*dis_resfree)(); /* frees space allocated by proc */ 2857c478bd9Sstevel@tonic-gate int dis_flags; /* RPC_IDEMPOTENT, etc... */ 2867c478bd9Sstevel@tonic-gate }; 2877c478bd9Sstevel@tonic-gate 2887c478bd9Sstevel@tonic-gate static struct rfsv4disp rfsv4disptab[] = { 2897c478bd9Sstevel@tonic-gate /* 2907c478bd9Sstevel@tonic-gate * NFS VERSION 4 2917c478bd9Sstevel@tonic-gate */ 2927c478bd9Sstevel@tonic-gate 2937c478bd9Sstevel@tonic-gate /* RFS_NULL = 0 */ 2947c478bd9Sstevel@tonic-gate {rfs4_op_illegal, nullfree, 0}, 2957c478bd9Sstevel@tonic-gate 2967c478bd9Sstevel@tonic-gate /* UNUSED = 1 */ 2977c478bd9Sstevel@tonic-gate {rfs4_op_illegal, nullfree, 0}, 2987c478bd9Sstevel@tonic-gate 2997c478bd9Sstevel@tonic-gate /* UNUSED = 2 */ 3007c478bd9Sstevel@tonic-gate {rfs4_op_illegal, nullfree, 0}, 3017c478bd9Sstevel@tonic-gate 3027c478bd9Sstevel@tonic-gate /* OP_ACCESS = 3 */ 3037c478bd9Sstevel@tonic-gate {rfs4_op_access, nullfree, RPC_IDEMPOTENT}, 3047c478bd9Sstevel@tonic-gate 3057c478bd9Sstevel@tonic-gate /* OP_CLOSE = 4 */ 3067c478bd9Sstevel@tonic-gate {rfs4_op_close, nullfree, 0}, 3077c478bd9Sstevel@tonic-gate 3087c478bd9Sstevel@tonic-gate /* OP_COMMIT = 5 */ 3097c478bd9Sstevel@tonic-gate {rfs4_op_commit, nullfree, RPC_IDEMPOTENT}, 3107c478bd9Sstevel@tonic-gate 3117c478bd9Sstevel@tonic-gate /* OP_CREATE = 6 */ 3127c478bd9Sstevel@tonic-gate {rfs4_op_create, nullfree, 0}, 3137c478bd9Sstevel@tonic-gate 3147c478bd9Sstevel@tonic-gate /* OP_DELEGPURGE = 7 */ 315f3b585ceSsamf {rfs4_op_delegpurge, nullfree, 0}, 3167c478bd9Sstevel@tonic-gate 3177c478bd9Sstevel@tonic-gate /* OP_DELEGRETURN = 8 */ 3187c478bd9Sstevel@tonic-gate {rfs4_op_delegreturn, nullfree, 0}, 3197c478bd9Sstevel@tonic-gate 3207c478bd9Sstevel@tonic-gate /* OP_GETATTR = 9 */ 3217c478bd9Sstevel@tonic-gate {rfs4_op_getattr, rfs4_op_getattr_free, RPC_IDEMPOTENT}, 3227c478bd9Sstevel@tonic-gate 3237c478bd9Sstevel@tonic-gate /* OP_GETFH = 10 */ 3247c478bd9Sstevel@tonic-gate {rfs4_op_getfh, rfs4_op_getfh_free, RPC_ALL}, 3257c478bd9Sstevel@tonic-gate 3267c478bd9Sstevel@tonic-gate /* OP_LINK = 11 */ 3277c478bd9Sstevel@tonic-gate {rfs4_op_link, nullfree, 0}, 3287c478bd9Sstevel@tonic-gate 3297c478bd9Sstevel@tonic-gate /* OP_LOCK = 12 */ 3307c478bd9Sstevel@tonic-gate {rfs4_op_lock, lock_denied_free, 0}, 3317c478bd9Sstevel@tonic-gate 3327c478bd9Sstevel@tonic-gate /* OP_LOCKT = 13 */ 3337c478bd9Sstevel@tonic-gate {rfs4_op_lockt, lock_denied_free, 0}, 3347c478bd9Sstevel@tonic-gate 3357c478bd9Sstevel@tonic-gate /* OP_LOCKU = 14 */ 3367c478bd9Sstevel@tonic-gate {rfs4_op_locku, nullfree, 0}, 3377c478bd9Sstevel@tonic-gate 3387c478bd9Sstevel@tonic-gate /* OP_LOOKUP = 15 */ 3397c478bd9Sstevel@tonic-gate {rfs4_op_lookup, nullfree, (RPC_IDEMPOTENT | RPC_PUBLICFH_OK)}, 3407c478bd9Sstevel@tonic-gate 3417c478bd9Sstevel@tonic-gate /* OP_LOOKUPP = 16 */ 3427c478bd9Sstevel@tonic-gate {rfs4_op_lookupp, nullfree, (RPC_IDEMPOTENT | RPC_PUBLICFH_OK)}, 3437c478bd9Sstevel@tonic-gate 3447c478bd9Sstevel@tonic-gate /* OP_NVERIFY = 17 */ 3457c478bd9Sstevel@tonic-gate {rfs4_op_nverify, nullfree, RPC_IDEMPOTENT}, 3467c478bd9Sstevel@tonic-gate 3477c478bd9Sstevel@tonic-gate /* OP_OPEN = 18 */ 3487c478bd9Sstevel@tonic-gate {rfs4_op_open, rfs4_free_reply, 0}, 3497c478bd9Sstevel@tonic-gate 3507c478bd9Sstevel@tonic-gate /* OP_OPENATTR = 19 */ 3517c478bd9Sstevel@tonic-gate {rfs4_op_openattr, nullfree, 0}, 3527c478bd9Sstevel@tonic-gate 3537c478bd9Sstevel@tonic-gate /* OP_OPEN_CONFIRM = 20 */ 3547c478bd9Sstevel@tonic-gate {rfs4_op_open_confirm, nullfree, 0}, 3557c478bd9Sstevel@tonic-gate 3567c478bd9Sstevel@tonic-gate /* OP_OPEN_DOWNGRADE = 21 */ 3577c478bd9Sstevel@tonic-gate {rfs4_op_open_downgrade, nullfree, 0}, 3587c478bd9Sstevel@tonic-gate 3597c478bd9Sstevel@tonic-gate /* OP_OPEN_PUTFH = 22 */ 3607c478bd9Sstevel@tonic-gate {rfs4_op_putfh, nullfree, RPC_ALL}, 3617c478bd9Sstevel@tonic-gate 3627c478bd9Sstevel@tonic-gate /* OP_PUTPUBFH = 23 */ 3637c478bd9Sstevel@tonic-gate {rfs4_op_putpubfh, nullfree, RPC_ALL}, 3647c478bd9Sstevel@tonic-gate 3657c478bd9Sstevel@tonic-gate /* OP_PUTROOTFH = 24 */ 3667c478bd9Sstevel@tonic-gate {rfs4_op_putrootfh, nullfree, RPC_ALL}, 3677c478bd9Sstevel@tonic-gate 3687c478bd9Sstevel@tonic-gate /* OP_READ = 25 */ 3697c478bd9Sstevel@tonic-gate {rfs4_op_read, rfs4_op_read_free, RPC_IDEMPOTENT}, 3707c478bd9Sstevel@tonic-gate 3717c478bd9Sstevel@tonic-gate /* OP_READDIR = 26 */ 3727c478bd9Sstevel@tonic-gate {rfs4_op_readdir, rfs4_op_readdir_free, RPC_IDEMPOTENT}, 3737c478bd9Sstevel@tonic-gate 3747c478bd9Sstevel@tonic-gate /* OP_READLINK = 27 */ 3757c478bd9Sstevel@tonic-gate {rfs4_op_readlink, rfs4_op_readlink_free, RPC_IDEMPOTENT}, 3767c478bd9Sstevel@tonic-gate 3777c478bd9Sstevel@tonic-gate /* OP_REMOVE = 28 */ 3787c478bd9Sstevel@tonic-gate {rfs4_op_remove, nullfree, 0}, 3797c478bd9Sstevel@tonic-gate 3807c478bd9Sstevel@tonic-gate /* OP_RENAME = 29 */ 3817c478bd9Sstevel@tonic-gate {rfs4_op_rename, nullfree, 0}, 3827c478bd9Sstevel@tonic-gate 3837c478bd9Sstevel@tonic-gate /* OP_RENEW = 30 */ 3847c478bd9Sstevel@tonic-gate {rfs4_op_renew, nullfree, 0}, 3857c478bd9Sstevel@tonic-gate 3867c478bd9Sstevel@tonic-gate /* OP_RESTOREFH = 31 */ 3877c478bd9Sstevel@tonic-gate {rfs4_op_restorefh, nullfree, RPC_ALL}, 3887c478bd9Sstevel@tonic-gate 3897c478bd9Sstevel@tonic-gate /* OP_SAVEFH = 32 */ 3907c478bd9Sstevel@tonic-gate {rfs4_op_savefh, nullfree, RPC_ALL}, 3917c478bd9Sstevel@tonic-gate 3927c478bd9Sstevel@tonic-gate /* OP_SECINFO = 33 */ 3937c478bd9Sstevel@tonic-gate {rfs4_op_secinfo, rfs4_op_secinfo_free, 0}, 3947c478bd9Sstevel@tonic-gate 3957c478bd9Sstevel@tonic-gate /* OP_SETATTR = 34 */ 3967c478bd9Sstevel@tonic-gate {rfs4_op_setattr, nullfree, 0}, 3977c478bd9Sstevel@tonic-gate 3987c478bd9Sstevel@tonic-gate /* OP_SETCLIENTID = 35 */ 3997c478bd9Sstevel@tonic-gate {rfs4_op_setclientid, nullfree, 0}, 4007c478bd9Sstevel@tonic-gate 4017c478bd9Sstevel@tonic-gate /* OP_SETCLIENTID_CONFIRM = 36 */ 4027c478bd9Sstevel@tonic-gate {rfs4_op_setclientid_confirm, nullfree, 0}, 4037c478bd9Sstevel@tonic-gate 4047c478bd9Sstevel@tonic-gate /* OP_VERIFY = 37 */ 4057c478bd9Sstevel@tonic-gate {rfs4_op_verify, nullfree, RPC_IDEMPOTENT}, 4067c478bd9Sstevel@tonic-gate 4077c478bd9Sstevel@tonic-gate /* OP_WRITE = 38 */ 4087c478bd9Sstevel@tonic-gate {rfs4_op_write, nullfree, 0}, 4097c478bd9Sstevel@tonic-gate 4107c478bd9Sstevel@tonic-gate /* OP_RELEASE_LOCKOWNER = 39 */ 4117c478bd9Sstevel@tonic-gate {rfs4_op_release_lockowner, nullfree, 0}, 4127c478bd9Sstevel@tonic-gate }; 4137c478bd9Sstevel@tonic-gate 4147c478bd9Sstevel@tonic-gate static uint_t rfsv4disp_cnt = sizeof (rfsv4disptab) / sizeof (rfsv4disptab[0]); 4157c478bd9Sstevel@tonic-gate 4167c478bd9Sstevel@tonic-gate #define OP_ILLEGAL_IDX (rfsv4disp_cnt) 4177c478bd9Sstevel@tonic-gate 4187c478bd9Sstevel@tonic-gate #ifdef DEBUG 4197c478bd9Sstevel@tonic-gate 4207c478bd9Sstevel@tonic-gate int rfs4_fillone_debug = 0; 4217c478bd9Sstevel@tonic-gate int rfs4_no_stub_access = 1; 4227c478bd9Sstevel@tonic-gate int rfs4_rddir_debug = 0; 4237c478bd9Sstevel@tonic-gate 4247c478bd9Sstevel@tonic-gate static char *rfs4_op_string[] = { 4257c478bd9Sstevel@tonic-gate "rfs4_op_null", 4267c478bd9Sstevel@tonic-gate "rfs4_op_1 unused", 4277c478bd9Sstevel@tonic-gate "rfs4_op_2 unused", 4287c478bd9Sstevel@tonic-gate "rfs4_op_access", 4297c478bd9Sstevel@tonic-gate "rfs4_op_close", 4307c478bd9Sstevel@tonic-gate "rfs4_op_commit", 4317c478bd9Sstevel@tonic-gate "rfs4_op_create", 4327c478bd9Sstevel@tonic-gate "rfs4_op_delegpurge", 4337c478bd9Sstevel@tonic-gate "rfs4_op_delegreturn", 4347c478bd9Sstevel@tonic-gate "rfs4_op_getattr", 4357c478bd9Sstevel@tonic-gate "rfs4_op_getfh", 4367c478bd9Sstevel@tonic-gate "rfs4_op_link", 4377c478bd9Sstevel@tonic-gate "rfs4_op_lock", 4387c478bd9Sstevel@tonic-gate "rfs4_op_lockt", 4397c478bd9Sstevel@tonic-gate "rfs4_op_locku", 4407c478bd9Sstevel@tonic-gate "rfs4_op_lookup", 4417c478bd9Sstevel@tonic-gate "rfs4_op_lookupp", 4427c478bd9Sstevel@tonic-gate "rfs4_op_nverify", 4437c478bd9Sstevel@tonic-gate "rfs4_op_open", 4447c478bd9Sstevel@tonic-gate "rfs4_op_openattr", 4457c478bd9Sstevel@tonic-gate "rfs4_op_open_confirm", 4467c478bd9Sstevel@tonic-gate "rfs4_op_open_downgrade", 4477c478bd9Sstevel@tonic-gate "rfs4_op_putfh", 4487c478bd9Sstevel@tonic-gate "rfs4_op_putpubfh", 4497c478bd9Sstevel@tonic-gate "rfs4_op_putrootfh", 4507c478bd9Sstevel@tonic-gate "rfs4_op_read", 4517c478bd9Sstevel@tonic-gate "rfs4_op_readdir", 4527c478bd9Sstevel@tonic-gate "rfs4_op_readlink", 4537c478bd9Sstevel@tonic-gate "rfs4_op_remove", 4547c478bd9Sstevel@tonic-gate "rfs4_op_rename", 4557c478bd9Sstevel@tonic-gate "rfs4_op_renew", 4567c478bd9Sstevel@tonic-gate "rfs4_op_restorefh", 4577c478bd9Sstevel@tonic-gate "rfs4_op_savefh", 4587c478bd9Sstevel@tonic-gate "rfs4_op_secinfo", 4597c478bd9Sstevel@tonic-gate "rfs4_op_setattr", 4607c478bd9Sstevel@tonic-gate "rfs4_op_setclientid", 4617c478bd9Sstevel@tonic-gate "rfs4_op_setclient_confirm", 4627c478bd9Sstevel@tonic-gate "rfs4_op_verify", 4637c478bd9Sstevel@tonic-gate "rfs4_op_write", 4647c478bd9Sstevel@tonic-gate "rfs4_op_release_lockowner", 4657c478bd9Sstevel@tonic-gate "rfs4_op_illegal" 4667c478bd9Sstevel@tonic-gate }; 4677c478bd9Sstevel@tonic-gate #endif 4687c478bd9Sstevel@tonic-gate 4697c478bd9Sstevel@tonic-gate void rfs4_ss_chkclid(rfs4_client_t *); 4707c478bd9Sstevel@tonic-gate 471cee86682Scalum extern size_t strlcpy(char *dst, const char *src, size_t dstsize); 472cee86682Scalum 4732f172c55SRobert Thurlow extern void rfs4_free_fs_locations4(fs_locations4 *); 4742f172c55SRobert Thurlow 4757c478bd9Sstevel@tonic-gate #ifdef nextdp 4767c478bd9Sstevel@tonic-gate #undef nextdp 4777c478bd9Sstevel@tonic-gate #endif 4787c478bd9Sstevel@tonic-gate #define nextdp(dp) ((struct dirent64 *)((char *)(dp) + (dp)->d_reclen)) 4797c478bd9Sstevel@tonic-gate 4807c478bd9Sstevel@tonic-gate static const fs_operation_def_t nfs4_rd_deleg_tmpl[] = { 481cfae96c2Sjwahlig VOPNAME_OPEN, { .femop_open = deleg_rd_open }, 482cfae96c2Sjwahlig VOPNAME_WRITE, { .femop_write = deleg_rd_write }, 483cfae96c2Sjwahlig VOPNAME_SETATTR, { .femop_setattr = deleg_rd_setattr }, 484aa59c4cbSrsb VOPNAME_RWLOCK, { .femop_rwlock = deleg_rd_rwlock }, 485cfae96c2Sjwahlig VOPNAME_SPACE, { .femop_space = deleg_rd_space }, 486cfae96c2Sjwahlig VOPNAME_SETSECATTR, { .femop_setsecattr = deleg_rd_setsecattr }, 487cfae96c2Sjwahlig VOPNAME_VNEVENT, { .femop_vnevent = deleg_rd_vnevent }, 4887c478bd9Sstevel@tonic-gate NULL, NULL 4897c478bd9Sstevel@tonic-gate }; 4907c478bd9Sstevel@tonic-gate static const fs_operation_def_t nfs4_wr_deleg_tmpl[] = { 491cfae96c2Sjwahlig VOPNAME_OPEN, { .femop_open = deleg_wr_open }, 492cfae96c2Sjwahlig VOPNAME_READ, { .femop_read = deleg_wr_read }, 493cfae96c2Sjwahlig VOPNAME_WRITE, { .femop_write = deleg_wr_write }, 494cfae96c2Sjwahlig VOPNAME_SETATTR, { .femop_setattr = deleg_wr_setattr }, 495aa59c4cbSrsb VOPNAME_RWLOCK, { .femop_rwlock = deleg_wr_rwlock }, 496cfae96c2Sjwahlig VOPNAME_SPACE, { .femop_space = deleg_wr_space }, 497cfae96c2Sjwahlig VOPNAME_SETSECATTR, { .femop_setsecattr = deleg_wr_setsecattr }, 498cfae96c2Sjwahlig VOPNAME_VNEVENT, { .femop_vnevent = deleg_wr_vnevent }, 4997c478bd9Sstevel@tonic-gate NULL, NULL 5007c478bd9Sstevel@tonic-gate }; 5017c478bd9Sstevel@tonic-gate 5027c478bd9Sstevel@tonic-gate int 5037c478bd9Sstevel@tonic-gate rfs4_srvrinit(void) 5047c478bd9Sstevel@tonic-gate { 5057c478bd9Sstevel@tonic-gate timespec32_t verf; 5067c478bd9Sstevel@tonic-gate int error; 5077c478bd9Sstevel@tonic-gate extern void rfs4_attr_init(); 5087c478bd9Sstevel@tonic-gate extern krwlock_t rfs4_deleg_policy_lock; 5097c478bd9Sstevel@tonic-gate 5107c478bd9Sstevel@tonic-gate /* 5117c478bd9Sstevel@tonic-gate * The following algorithm attempts to find a unique verifier 5127c478bd9Sstevel@tonic-gate * to be used as the write verifier returned from the server 5137c478bd9Sstevel@tonic-gate * to the client. It is important that this verifier change 5147c478bd9Sstevel@tonic-gate * whenever the server reboots. Of secondary importance, it 5157c478bd9Sstevel@tonic-gate * is important for the verifier to be unique between two 5167c478bd9Sstevel@tonic-gate * different servers. 5177c478bd9Sstevel@tonic-gate * 5187c478bd9Sstevel@tonic-gate * Thus, an attempt is made to use the system hostid and the 5197c478bd9Sstevel@tonic-gate * current time in seconds when the nfssrv kernel module is 5207c478bd9Sstevel@tonic-gate * loaded. It is assumed that an NFS server will not be able 5217c478bd9Sstevel@tonic-gate * to boot and then to reboot in less than a second. If the 5227c478bd9Sstevel@tonic-gate * hostid has not been set, then the current high resolution 5237c478bd9Sstevel@tonic-gate * time is used. This will ensure different verifiers each 5247c478bd9Sstevel@tonic-gate * time the server reboots and minimize the chances that two 5257c478bd9Sstevel@tonic-gate * different servers will have the same verifier. 5267c478bd9Sstevel@tonic-gate * XXX - this is broken on LP64 kernels. 5277c478bd9Sstevel@tonic-gate */ 5285679c89fSjv227347 verf.tv_sec = (time_t)zone_get_hostid(NULL); 5297c478bd9Sstevel@tonic-gate if (verf.tv_sec != 0) { 5307c478bd9Sstevel@tonic-gate verf.tv_nsec = gethrestime_sec(); 5317c478bd9Sstevel@tonic-gate } else { 5327c478bd9Sstevel@tonic-gate timespec_t tverf; 5337c478bd9Sstevel@tonic-gate 5347c478bd9Sstevel@tonic-gate gethrestime(&tverf); 5357c478bd9Sstevel@tonic-gate verf.tv_sec = (time_t)tverf.tv_sec; 5367c478bd9Sstevel@tonic-gate verf.tv_nsec = tverf.tv_nsec; 5377c478bd9Sstevel@tonic-gate } 5387c478bd9Sstevel@tonic-gate 5397c478bd9Sstevel@tonic-gate Write4verf = *(uint64_t *)&verf; 5407c478bd9Sstevel@tonic-gate 5417c478bd9Sstevel@tonic-gate rfs4_attr_init(); 5427c478bd9Sstevel@tonic-gate mutex_init(&rfs4_deleg_lock, NULL, MUTEX_DEFAULT, NULL); 5437c478bd9Sstevel@tonic-gate 5447c478bd9Sstevel@tonic-gate /* Used to manage create/destroy of server state */ 5457c478bd9Sstevel@tonic-gate mutex_init(&rfs4_state_lock, NULL, MUTEX_DEFAULT, NULL); 5467c478bd9Sstevel@tonic-gate 5477c478bd9Sstevel@tonic-gate /* Used to manage access to server instance linked list */ 5487c478bd9Sstevel@tonic-gate mutex_init(&rfs4_servinst_lock, NULL, MUTEX_DEFAULT, NULL); 5497c478bd9Sstevel@tonic-gate 5507c478bd9Sstevel@tonic-gate /* Used to manage access to rfs4_deleg_policy */ 5517c478bd9Sstevel@tonic-gate rw_init(&rfs4_deleg_policy_lock, NULL, RW_DEFAULT, NULL); 5527c478bd9Sstevel@tonic-gate 5537c478bd9Sstevel@tonic-gate error = fem_create("deleg_rdops", nfs4_rd_deleg_tmpl, &deleg_rdops); 5547c478bd9Sstevel@tonic-gate if (error != 0) { 5557c478bd9Sstevel@tonic-gate rfs4_disable_delegation(); 5567c478bd9Sstevel@tonic-gate } else { 5577c478bd9Sstevel@tonic-gate error = fem_create("deleg_wrops", nfs4_wr_deleg_tmpl, 5587c478bd9Sstevel@tonic-gate &deleg_wrops); 5597c478bd9Sstevel@tonic-gate if (error != 0) { 5607c478bd9Sstevel@tonic-gate rfs4_disable_delegation(); 5617c478bd9Sstevel@tonic-gate fem_free(deleg_rdops); 5627c478bd9Sstevel@tonic-gate } 5637c478bd9Sstevel@tonic-gate } 5647c478bd9Sstevel@tonic-gate 5657c478bd9Sstevel@tonic-gate nfs4_srv_caller_id = fs_new_caller_id(); 5667c478bd9Sstevel@tonic-gate 5677c478bd9Sstevel@tonic-gate lockt_sysid = lm_alloc_sysidt(); 5687c478bd9Sstevel@tonic-gate 5691b300de9Sjwahlig vsd_create(&nfs4_srv_vkey, NULL); 5701b300de9Sjwahlig 5717c478bd9Sstevel@tonic-gate return (0); 5727c478bd9Sstevel@tonic-gate } 5737c478bd9Sstevel@tonic-gate 5747c478bd9Sstevel@tonic-gate void 5757c478bd9Sstevel@tonic-gate rfs4_srvrfini(void) 5767c478bd9Sstevel@tonic-gate { 5777c478bd9Sstevel@tonic-gate extern krwlock_t rfs4_deleg_policy_lock; 5787c478bd9Sstevel@tonic-gate 5797c478bd9Sstevel@tonic-gate if (lockt_sysid != LM_NOSYSID) { 5807c478bd9Sstevel@tonic-gate lm_free_sysidt(lockt_sysid); 5817c478bd9Sstevel@tonic-gate lockt_sysid = LM_NOSYSID; 5827c478bd9Sstevel@tonic-gate } 5837c478bd9Sstevel@tonic-gate 5847c478bd9Sstevel@tonic-gate mutex_destroy(&rfs4_deleg_lock); 5857c478bd9Sstevel@tonic-gate mutex_destroy(&rfs4_state_lock); 5867c478bd9Sstevel@tonic-gate rw_destroy(&rfs4_deleg_policy_lock); 5877c478bd9Sstevel@tonic-gate 5887c478bd9Sstevel@tonic-gate fem_free(deleg_rdops); 5897c478bd9Sstevel@tonic-gate fem_free(deleg_wrops); 5907c478bd9Sstevel@tonic-gate } 5917c478bd9Sstevel@tonic-gate 5927c478bd9Sstevel@tonic-gate void 5937c478bd9Sstevel@tonic-gate rfs4_init_compound_state(struct compound_state *cs) 5947c478bd9Sstevel@tonic-gate { 5957c478bd9Sstevel@tonic-gate bzero(cs, sizeof (*cs)); 5967c478bd9Sstevel@tonic-gate cs->cont = TRUE; 5977c478bd9Sstevel@tonic-gate cs->access = CS_ACCESS_DENIED; 5987c478bd9Sstevel@tonic-gate cs->deleg = FALSE; 5997c478bd9Sstevel@tonic-gate cs->mandlock = FALSE; 6007c478bd9Sstevel@tonic-gate cs->fh.nfs_fh4_val = cs->fhbuf; 6017c478bd9Sstevel@tonic-gate } 6027c478bd9Sstevel@tonic-gate 6037c478bd9Sstevel@tonic-gate void 6047c478bd9Sstevel@tonic-gate rfs4_grace_start(rfs4_servinst_t *sip) 6057c478bd9Sstevel@tonic-gate { 6067c478bd9Sstevel@tonic-gate rw_enter(&sip->rwlock, RW_WRITER); 607d3d50737SRafael Vanoni sip->start_time = (time_t)TICK_TO_SEC(ddi_get_lbolt()); 6087c478bd9Sstevel@tonic-gate sip->grace_period = rfs4_grace_period; 6097c478bd9Sstevel@tonic-gate rw_exit(&sip->rwlock); 6107c478bd9Sstevel@tonic-gate } 6117c478bd9Sstevel@tonic-gate 6127c478bd9Sstevel@tonic-gate /* 6137c478bd9Sstevel@tonic-gate * returns true if the instance's grace period has never been started 6147c478bd9Sstevel@tonic-gate */ 6157c478bd9Sstevel@tonic-gate int 6167c478bd9Sstevel@tonic-gate rfs4_servinst_grace_new(rfs4_servinst_t *sip) 6177c478bd9Sstevel@tonic-gate { 6187c478bd9Sstevel@tonic-gate time_t start_time; 6197c478bd9Sstevel@tonic-gate 6207c478bd9Sstevel@tonic-gate rw_enter(&sip->rwlock, RW_READER); 6217c478bd9Sstevel@tonic-gate start_time = sip->start_time; 6227c478bd9Sstevel@tonic-gate rw_exit(&sip->rwlock); 6237c478bd9Sstevel@tonic-gate 6247c478bd9Sstevel@tonic-gate return (start_time == 0); 6257c478bd9Sstevel@tonic-gate } 6267c478bd9Sstevel@tonic-gate 6277c478bd9Sstevel@tonic-gate /* 6287c478bd9Sstevel@tonic-gate * Indicates if server instance is within the 6297c478bd9Sstevel@tonic-gate * grace period. 6307c478bd9Sstevel@tonic-gate */ 6317c478bd9Sstevel@tonic-gate int 6327c478bd9Sstevel@tonic-gate rfs4_servinst_in_grace(rfs4_servinst_t *sip) 6337c478bd9Sstevel@tonic-gate { 6347c478bd9Sstevel@tonic-gate time_t grace_expiry; 6357c478bd9Sstevel@tonic-gate 6367c478bd9Sstevel@tonic-gate rw_enter(&sip->rwlock, RW_READER); 6377c478bd9Sstevel@tonic-gate grace_expiry = sip->start_time + sip->grace_period; 6387c478bd9Sstevel@tonic-gate rw_exit(&sip->rwlock); 6397c478bd9Sstevel@tonic-gate 640d3d50737SRafael Vanoni return (((time_t)TICK_TO_SEC(ddi_get_lbolt())) < grace_expiry); 6417c478bd9Sstevel@tonic-gate } 6427c478bd9Sstevel@tonic-gate 6437c478bd9Sstevel@tonic-gate int 6447c478bd9Sstevel@tonic-gate rfs4_clnt_in_grace(rfs4_client_t *cp) 6457c478bd9Sstevel@tonic-gate { 646d216dff5SRobert Mastors ASSERT(rfs4_dbe_refcnt(cp->rc_dbe) > 0); 6477c478bd9Sstevel@tonic-gate 648d216dff5SRobert Mastors return (rfs4_servinst_in_grace(cp->rc_server_instance)); 6497c478bd9Sstevel@tonic-gate } 6507c478bd9Sstevel@tonic-gate 6517c478bd9Sstevel@tonic-gate /* 6527c478bd9Sstevel@tonic-gate * reset all currently active grace periods 6537c478bd9Sstevel@tonic-gate */ 6547c478bd9Sstevel@tonic-gate void 6557c478bd9Sstevel@tonic-gate rfs4_grace_reset_all(void) 6567c478bd9Sstevel@tonic-gate { 6577c478bd9Sstevel@tonic-gate rfs4_servinst_t *sip; 6587c478bd9Sstevel@tonic-gate 6597c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 660cee86682Scalum for (sip = rfs4_cur_servinst; sip != NULL; sip = sip->prev) 661cee86682Scalum if (rfs4_servinst_in_grace(sip)) 6627c478bd9Sstevel@tonic-gate rfs4_grace_start(sip); 6637c478bd9Sstevel@tonic-gate mutex_exit(&rfs4_servinst_lock); 6647c478bd9Sstevel@tonic-gate } 6657c478bd9Sstevel@tonic-gate 6667c478bd9Sstevel@tonic-gate /* 6677c478bd9Sstevel@tonic-gate * start any new instances' grace periods 6687c478bd9Sstevel@tonic-gate */ 6697c478bd9Sstevel@tonic-gate void 6707c478bd9Sstevel@tonic-gate rfs4_grace_start_new(void) 6717c478bd9Sstevel@tonic-gate { 6727c478bd9Sstevel@tonic-gate rfs4_servinst_t *sip; 6737c478bd9Sstevel@tonic-gate 6747c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 675cee86682Scalum for (sip = rfs4_cur_servinst; sip != NULL; sip = sip->prev) 6767c478bd9Sstevel@tonic-gate if (rfs4_servinst_grace_new(sip)) 6777c478bd9Sstevel@tonic-gate rfs4_grace_start(sip); 6787c478bd9Sstevel@tonic-gate mutex_exit(&rfs4_servinst_lock); 679cee86682Scalum } 6807c478bd9Sstevel@tonic-gate 681cee86682Scalum static rfs4_dss_path_t * 682cee86682Scalum rfs4_dss_newpath(rfs4_servinst_t *sip, char *path, unsigned index) 683cee86682Scalum { 684cee86682Scalum size_t len; 685cee86682Scalum rfs4_dss_path_t *dss_path; 686cee86682Scalum 687cee86682Scalum dss_path = kmem_alloc(sizeof (rfs4_dss_path_t), KM_SLEEP); 688cee86682Scalum 689cee86682Scalum /* 690cee86682Scalum * Take a copy of the string, since the original may be overwritten. 691cee86682Scalum * Sadly, no strdup() in the kernel. 692cee86682Scalum */ 693cee86682Scalum /* allow for NUL */ 694cee86682Scalum len = strlen(path) + 1; 695cee86682Scalum dss_path->path = kmem_alloc(len, KM_SLEEP); 696cee86682Scalum (void) strlcpy(dss_path->path, path, len); 697cee86682Scalum 698cee86682Scalum /* associate with servinst */ 699cee86682Scalum dss_path->sip = sip; 700cee86682Scalum dss_path->index = index; 701cee86682Scalum 702cee86682Scalum /* 703cee86682Scalum * Add to list of served paths. 704cee86682Scalum * No locking required, as we're only ever called at startup. 705cee86682Scalum */ 706cee86682Scalum if (rfs4_dss_pathlist == NULL) { 707cee86682Scalum /* this is the first dss_path_t */ 708cee86682Scalum 709cee86682Scalum /* needed for insque/remque */ 710cee86682Scalum dss_path->next = dss_path->prev = dss_path; 711cee86682Scalum 712cee86682Scalum rfs4_dss_pathlist = dss_path; 713cee86682Scalum } else { 714cee86682Scalum insque(dss_path, rfs4_dss_pathlist); 715cee86682Scalum } 716cee86682Scalum 717cee86682Scalum return (dss_path); 7187c478bd9Sstevel@tonic-gate } 7197c478bd9Sstevel@tonic-gate 7207c478bd9Sstevel@tonic-gate /* 7217c478bd9Sstevel@tonic-gate * Create a new server instance, and make it the currently active instance. 7227c478bd9Sstevel@tonic-gate * Note that starting the grace period too early will reduce the clients' 7237c478bd9Sstevel@tonic-gate * recovery window. 7247c478bd9Sstevel@tonic-gate */ 7257c478bd9Sstevel@tonic-gate void 726cee86682Scalum rfs4_servinst_create(int start_grace, int dss_npaths, char **dss_paths) 7277c478bd9Sstevel@tonic-gate { 728cee86682Scalum unsigned i; 7297c478bd9Sstevel@tonic-gate rfs4_servinst_t *sip; 730cee86682Scalum rfs4_oldstate_t *oldstate; 7317c478bd9Sstevel@tonic-gate 7327c478bd9Sstevel@tonic-gate sip = kmem_alloc(sizeof (rfs4_servinst_t), KM_SLEEP); 7337c478bd9Sstevel@tonic-gate rw_init(&sip->rwlock, NULL, RW_DEFAULT, NULL); 7347c478bd9Sstevel@tonic-gate 7357c478bd9Sstevel@tonic-gate sip->start_time = (time_t)0; 7367c478bd9Sstevel@tonic-gate sip->grace_period = (time_t)0; 7377c478bd9Sstevel@tonic-gate sip->next = NULL; 7387c478bd9Sstevel@tonic-gate sip->prev = NULL; 7397c478bd9Sstevel@tonic-gate 740cee86682Scalum rw_init(&sip->oldstate_lock, NULL, RW_DEFAULT, NULL); 741cee86682Scalum /* 742cee86682Scalum * This initial dummy entry is required to setup for insque/remque. 743cee86682Scalum * It must be skipped over whenever the list is traversed. 744cee86682Scalum */ 745cee86682Scalum oldstate = kmem_alloc(sizeof (rfs4_oldstate_t), KM_SLEEP); 746cee86682Scalum /* insque/remque require initial list entry to be self-terminated */ 747cee86682Scalum oldstate->next = oldstate; 748cee86682Scalum oldstate->prev = oldstate; 749cee86682Scalum sip->oldstate = oldstate; 750cee86682Scalum 751cee86682Scalum 752cee86682Scalum sip->dss_npaths = dss_npaths; 753cee86682Scalum sip->dss_paths = kmem_alloc(dss_npaths * 754cee86682Scalum sizeof (rfs4_dss_path_t *), KM_SLEEP); 755cee86682Scalum 756cee86682Scalum for (i = 0; i < dss_npaths; i++) { 757cee86682Scalum sip->dss_paths[i] = rfs4_dss_newpath(sip, dss_paths[i], i); 758cee86682Scalum } 759cee86682Scalum 7607c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 761cee86682Scalum if (rfs4_cur_servinst != NULL) { 7627c478bd9Sstevel@tonic-gate /* add to linked list */ 7637c478bd9Sstevel@tonic-gate sip->prev = rfs4_cur_servinst; 7647c478bd9Sstevel@tonic-gate rfs4_cur_servinst->next = sip; 7657c478bd9Sstevel@tonic-gate } 7667c478bd9Sstevel@tonic-gate if (start_grace) 7677c478bd9Sstevel@tonic-gate rfs4_grace_start(sip); 7687c478bd9Sstevel@tonic-gate /* make the new instance "current" */ 7697c478bd9Sstevel@tonic-gate rfs4_cur_servinst = sip; 7707c478bd9Sstevel@tonic-gate 771cee86682Scalum mutex_exit(&rfs4_servinst_lock); 7727c478bd9Sstevel@tonic-gate } 7737c478bd9Sstevel@tonic-gate 7747c478bd9Sstevel@tonic-gate /* 7757c478bd9Sstevel@tonic-gate * In future, we might add a rfs4_servinst_destroy(sip) but, for now, destroy 7767c478bd9Sstevel@tonic-gate * all instances directly. 7777c478bd9Sstevel@tonic-gate */ 7787c478bd9Sstevel@tonic-gate void 7797c478bd9Sstevel@tonic-gate rfs4_servinst_destroy_all(void) 7807c478bd9Sstevel@tonic-gate { 7817c478bd9Sstevel@tonic-gate rfs4_servinst_t *sip, *prev, *current; 7827c478bd9Sstevel@tonic-gate #ifdef DEBUG 7837c478bd9Sstevel@tonic-gate int n = 0; 7847c478bd9Sstevel@tonic-gate #endif 7857c478bd9Sstevel@tonic-gate 7867c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 7877c478bd9Sstevel@tonic-gate ASSERT(rfs4_cur_servinst != NULL); 7887c478bd9Sstevel@tonic-gate current = rfs4_cur_servinst; 7897c478bd9Sstevel@tonic-gate rfs4_cur_servinst = NULL; 7907c478bd9Sstevel@tonic-gate for (sip = current; sip != NULL; sip = prev) { 7917c478bd9Sstevel@tonic-gate prev = sip->prev; 7927c478bd9Sstevel@tonic-gate rw_destroy(&sip->rwlock); 793cee86682Scalum if (sip->oldstate) 794cee86682Scalum kmem_free(sip->oldstate, sizeof (rfs4_oldstate_t)); 795cee86682Scalum if (sip->dss_paths) 796cee86682Scalum kmem_free(sip->dss_paths, 797cee86682Scalum sip->dss_npaths * sizeof (rfs4_dss_path_t *)); 7987c478bd9Sstevel@tonic-gate kmem_free(sip, sizeof (rfs4_servinst_t)); 7997c478bd9Sstevel@tonic-gate #ifdef DEBUG 8007c478bd9Sstevel@tonic-gate n++; 8017c478bd9Sstevel@tonic-gate #endif 8027c478bd9Sstevel@tonic-gate } 8037c478bd9Sstevel@tonic-gate mutex_exit(&rfs4_servinst_lock); 8047c478bd9Sstevel@tonic-gate } 8057c478bd9Sstevel@tonic-gate 8067c478bd9Sstevel@tonic-gate /* 8077c478bd9Sstevel@tonic-gate * Assign the current server instance to a client_t. 808d216dff5SRobert Mastors * Should be called with cp->rc_dbe held. 8097c478bd9Sstevel@tonic-gate */ 8107c478bd9Sstevel@tonic-gate void 8117c478bd9Sstevel@tonic-gate rfs4_servinst_assign(rfs4_client_t *cp, rfs4_servinst_t *sip) 8127c478bd9Sstevel@tonic-gate { 813d216dff5SRobert Mastors ASSERT(rfs4_dbe_refcnt(cp->rc_dbe) > 0); 8147c478bd9Sstevel@tonic-gate 8157c478bd9Sstevel@tonic-gate /* 8167c478bd9Sstevel@tonic-gate * The lock ensures that if the current instance is in the process 8177c478bd9Sstevel@tonic-gate * of changing, we will see the new one. 8187c478bd9Sstevel@tonic-gate */ 8197c478bd9Sstevel@tonic-gate mutex_enter(&rfs4_servinst_lock); 820d216dff5SRobert Mastors cp->rc_server_instance = sip; 8217c478bd9Sstevel@tonic-gate mutex_exit(&rfs4_servinst_lock); 8227c478bd9Sstevel@tonic-gate } 8237c478bd9Sstevel@tonic-gate 8247c478bd9Sstevel@tonic-gate rfs4_servinst_t * 8257c478bd9Sstevel@tonic-gate rfs4_servinst(rfs4_client_t *cp) 8267c478bd9Sstevel@tonic-gate { 827d216dff5SRobert Mastors ASSERT(rfs4_dbe_refcnt(cp->rc_dbe) > 0); 8287c478bd9Sstevel@tonic-gate 829d216dff5SRobert Mastors return (cp->rc_server_instance); 8307c478bd9Sstevel@tonic-gate } 8317c478bd9Sstevel@tonic-gate 8327c478bd9Sstevel@tonic-gate /* ARGSUSED */ 8337c478bd9Sstevel@tonic-gate static void 8347c478bd9Sstevel@tonic-gate nullfree(caddr_t resop) 8357c478bd9Sstevel@tonic-gate { 8367c478bd9Sstevel@tonic-gate } 8377c478bd9Sstevel@tonic-gate 8387c478bd9Sstevel@tonic-gate /* 8397c478bd9Sstevel@tonic-gate * This is a fall-through for invalid or not implemented (yet) ops 8407c478bd9Sstevel@tonic-gate */ 8417c478bd9Sstevel@tonic-gate /* ARGSUSED */ 8427c478bd9Sstevel@tonic-gate static void 8437c478bd9Sstevel@tonic-gate rfs4_op_inval(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 8447c478bd9Sstevel@tonic-gate struct compound_state *cs) 8457c478bd9Sstevel@tonic-gate { 8467c478bd9Sstevel@tonic-gate *cs->statusp = *((nfsstat4 *)&(resop)->nfs_resop4_u) = NFS4ERR_INVAL; 8477c478bd9Sstevel@tonic-gate } 8487c478bd9Sstevel@tonic-gate 8497c478bd9Sstevel@tonic-gate /* 8507c478bd9Sstevel@tonic-gate * Check if the security flavor, nfsnum, is in the flavor_list. 8517c478bd9Sstevel@tonic-gate */ 8527c478bd9Sstevel@tonic-gate bool_t 8537c478bd9Sstevel@tonic-gate in_flavor_list(int nfsnum, int *flavor_list, int count) 8547c478bd9Sstevel@tonic-gate { 8557c478bd9Sstevel@tonic-gate int i; 8567c478bd9Sstevel@tonic-gate 8577c478bd9Sstevel@tonic-gate for (i = 0; i < count; i++) { 8587c478bd9Sstevel@tonic-gate if (nfsnum == flavor_list[i]) 8597c478bd9Sstevel@tonic-gate return (TRUE); 8607c478bd9Sstevel@tonic-gate } 8617c478bd9Sstevel@tonic-gate return (FALSE); 8627c478bd9Sstevel@tonic-gate } 8637c478bd9Sstevel@tonic-gate 8647c478bd9Sstevel@tonic-gate /* 8657c478bd9Sstevel@tonic-gate * Used by rfs4_op_secinfo to get the security information from the 8667c478bd9Sstevel@tonic-gate * export structure associated with the component. 8677c478bd9Sstevel@tonic-gate */ 8687c478bd9Sstevel@tonic-gate /* ARGSUSED */ 8697c478bd9Sstevel@tonic-gate static nfsstat4 8707c478bd9Sstevel@tonic-gate do_rfs4_op_secinfo(struct compound_state *cs, char *nm, SECINFO4res *resp) 8717c478bd9Sstevel@tonic-gate { 8727c478bd9Sstevel@tonic-gate int error, different_export = 0; 873*6e062f4aSMarcel Telka vnode_t *dvp, *vp; 8747c478bd9Sstevel@tonic-gate struct exportinfo *exi = NULL; 8757c478bd9Sstevel@tonic-gate fid_t fid; 8767c478bd9Sstevel@tonic-gate uint_t count, i; 8777c478bd9Sstevel@tonic-gate secinfo4 *resok_val; 8787c478bd9Sstevel@tonic-gate struct secinfo *secp; 8791b300de9Sjwahlig seconfig_t *si; 880bffeae97SMarcel Telka bool_t did_traverse = FALSE; 8817c478bd9Sstevel@tonic-gate int dotdot, walk; 8827c478bd9Sstevel@tonic-gate 8837c478bd9Sstevel@tonic-gate dvp = cs->vp; 8847c478bd9Sstevel@tonic-gate dotdot = (nm[0] == '.' && nm[1] == '.' && nm[2] == '\0'); 8857c478bd9Sstevel@tonic-gate 8867c478bd9Sstevel@tonic-gate /* 8877c478bd9Sstevel@tonic-gate * If dotdotting, then need to check whether it's above the 8887c478bd9Sstevel@tonic-gate * root of a filesystem, or above an export point. 8897c478bd9Sstevel@tonic-gate */ 8907c478bd9Sstevel@tonic-gate if (dotdot) { 8917c478bd9Sstevel@tonic-gate 8927c478bd9Sstevel@tonic-gate /* 8937c478bd9Sstevel@tonic-gate * If dotdotting at the root of a filesystem, then 8947c478bd9Sstevel@tonic-gate * need to traverse back to the mounted-on filesystem 8957c478bd9Sstevel@tonic-gate * and do the dotdot lookup there. 8967c478bd9Sstevel@tonic-gate */ 8977c478bd9Sstevel@tonic-gate if (cs->vp->v_flag & VROOT) { 8987c478bd9Sstevel@tonic-gate 8997c478bd9Sstevel@tonic-gate /* 9007c478bd9Sstevel@tonic-gate * If at the system root, then can 9017c478bd9Sstevel@tonic-gate * go up no further. 9027c478bd9Sstevel@tonic-gate */ 9037c478bd9Sstevel@tonic-gate if (VN_CMP(dvp, rootdir)) 9047c478bd9Sstevel@tonic-gate return (puterrno4(ENOENT)); 9057c478bd9Sstevel@tonic-gate 9067c478bd9Sstevel@tonic-gate /* 9077c478bd9Sstevel@tonic-gate * Traverse back to the mounted-on filesystem 9087c478bd9Sstevel@tonic-gate */ 9097c478bd9Sstevel@tonic-gate dvp = untraverse(cs->vp); 9107c478bd9Sstevel@tonic-gate 9117c478bd9Sstevel@tonic-gate /* 9127c478bd9Sstevel@tonic-gate * Set the different_export flag so we remember 9137c478bd9Sstevel@tonic-gate * to pick up a new exportinfo entry for 9147c478bd9Sstevel@tonic-gate * this new filesystem. 9157c478bd9Sstevel@tonic-gate */ 9167c478bd9Sstevel@tonic-gate different_export = 1; 9177c478bd9Sstevel@tonic-gate } else { 9187c478bd9Sstevel@tonic-gate 9197c478bd9Sstevel@tonic-gate /* 9207c478bd9Sstevel@tonic-gate * If dotdotting above an export point then set 9217c478bd9Sstevel@tonic-gate * the different_export to get new export info. 9227c478bd9Sstevel@tonic-gate */ 9237c478bd9Sstevel@tonic-gate different_export = nfs_exported(cs->exi, cs->vp); 9247c478bd9Sstevel@tonic-gate } 9257c478bd9Sstevel@tonic-gate } 9267c478bd9Sstevel@tonic-gate 9277c478bd9Sstevel@tonic-gate /* 9287c478bd9Sstevel@tonic-gate * Get the vnode for the component "nm". 9297c478bd9Sstevel@tonic-gate */ 930da6c28aaSamw error = VOP_LOOKUP(dvp, nm, &vp, NULL, 0, NULL, cs->cr, 931da6c28aaSamw NULL, NULL, NULL); 9327c478bd9Sstevel@tonic-gate if (error) 9337c478bd9Sstevel@tonic-gate return (puterrno4(error)); 9347c478bd9Sstevel@tonic-gate 9357c478bd9Sstevel@tonic-gate /* 9367c478bd9Sstevel@tonic-gate * If the vnode is in a pseudo filesystem, or if the security flavor 9377c478bd9Sstevel@tonic-gate * used in the request is valid but not an explicitly shared flavor, 9387c478bd9Sstevel@tonic-gate * or the access bit indicates that this is a limited access, 9397c478bd9Sstevel@tonic-gate * check whether this vnode is visible. 9407c478bd9Sstevel@tonic-gate */ 9417c478bd9Sstevel@tonic-gate if (!different_export && 9427c478bd9Sstevel@tonic-gate (PSEUDO(cs->exi) || ! is_exported_sec(cs->nfsflavor, cs->exi) || 9437c478bd9Sstevel@tonic-gate cs->access & CS_ACCESS_LIMITED)) { 9447c478bd9Sstevel@tonic-gate if (! nfs_visible(cs->exi, vp, &different_export)) { 9457c478bd9Sstevel@tonic-gate VN_RELE(vp); 9467c478bd9Sstevel@tonic-gate return (puterrno4(ENOENT)); 9477c478bd9Sstevel@tonic-gate } 9487c478bd9Sstevel@tonic-gate } 9497c478bd9Sstevel@tonic-gate 9507c478bd9Sstevel@tonic-gate /* 9517c478bd9Sstevel@tonic-gate * If it's a mountpoint, then traverse it. 9527c478bd9Sstevel@tonic-gate */ 9537c478bd9Sstevel@tonic-gate if (vn_ismntpt(vp)) { 954*6e062f4aSMarcel Telka if ((error = traverse(&vp)) != 0) { 9557c478bd9Sstevel@tonic-gate VN_RELE(vp); 9567c478bd9Sstevel@tonic-gate return (puterrno4(error)); 9577c478bd9Sstevel@tonic-gate } 9587c478bd9Sstevel@tonic-gate /* remember that we had to traverse mountpoint */ 9597c478bd9Sstevel@tonic-gate did_traverse = TRUE; 9607c478bd9Sstevel@tonic-gate different_export = 1; 9617c478bd9Sstevel@tonic-gate } else if (vp->v_vfsp != dvp->v_vfsp) { 9627c478bd9Sstevel@tonic-gate /* 9637c478bd9Sstevel@tonic-gate * If vp isn't a mountpoint and the vfs ptrs aren't the same, 9647c478bd9Sstevel@tonic-gate * then vp is probably an LOFS object. We don't need the 9657c478bd9Sstevel@tonic-gate * realvp, we just need to know that we might have crossed 9667c478bd9Sstevel@tonic-gate * a server fs boundary and need to call checkexport4. 9677c478bd9Sstevel@tonic-gate * (LOFS lookup hides server fs mountpoints, and actually calls 9687c478bd9Sstevel@tonic-gate * traverse) 9697c478bd9Sstevel@tonic-gate */ 9707c478bd9Sstevel@tonic-gate different_export = 1; 9717c478bd9Sstevel@tonic-gate } 9727c478bd9Sstevel@tonic-gate 9737c478bd9Sstevel@tonic-gate /* 9747c478bd9Sstevel@tonic-gate * Get the export information for it. 9757c478bd9Sstevel@tonic-gate */ 9767c478bd9Sstevel@tonic-gate if (different_export) { 9777c478bd9Sstevel@tonic-gate 9787c478bd9Sstevel@tonic-gate bzero(&fid, sizeof (fid)); 9797c478bd9Sstevel@tonic-gate fid.fid_len = MAXFIDSZ; 9807c478bd9Sstevel@tonic-gate error = vop_fid_pseudo(vp, &fid); 9817c478bd9Sstevel@tonic-gate if (error) { 9827c478bd9Sstevel@tonic-gate VN_RELE(vp); 9837c478bd9Sstevel@tonic-gate return (puterrno4(error)); 9847c478bd9Sstevel@tonic-gate } 9857c478bd9Sstevel@tonic-gate 9867c478bd9Sstevel@tonic-gate if (dotdot) 9877c478bd9Sstevel@tonic-gate exi = nfs_vptoexi(NULL, vp, cs->cr, &walk, NULL, TRUE); 9887c478bd9Sstevel@tonic-gate else 9897c478bd9Sstevel@tonic-gate exi = checkexport4(&vp->v_vfsp->vfs_fsid, &fid, vp); 9907c478bd9Sstevel@tonic-gate 9917c478bd9Sstevel@tonic-gate if (exi == NULL) { 9927c478bd9Sstevel@tonic-gate if (did_traverse == TRUE) { 9937c478bd9Sstevel@tonic-gate /* 9947c478bd9Sstevel@tonic-gate * If this vnode is a mounted-on vnode, 9957c478bd9Sstevel@tonic-gate * but the mounted-on file system is not 9967c478bd9Sstevel@tonic-gate * exported, send back the secinfo for 9977c478bd9Sstevel@tonic-gate * the exported node that the mounted-on 9987c478bd9Sstevel@tonic-gate * vnode lives in. 9997c478bd9Sstevel@tonic-gate */ 10007c478bd9Sstevel@tonic-gate exi = cs->exi; 10017c478bd9Sstevel@tonic-gate } else { 10027c478bd9Sstevel@tonic-gate VN_RELE(vp); 10037c478bd9Sstevel@tonic-gate return (puterrno4(EACCES)); 10047c478bd9Sstevel@tonic-gate } 10057c478bd9Sstevel@tonic-gate } 10067c478bd9Sstevel@tonic-gate } else { 10077c478bd9Sstevel@tonic-gate exi = cs->exi; 10087c478bd9Sstevel@tonic-gate } 10097c478bd9Sstevel@tonic-gate ASSERT(exi != NULL); 10107c478bd9Sstevel@tonic-gate 10117c478bd9Sstevel@tonic-gate 10127c478bd9Sstevel@tonic-gate /* 10137c478bd9Sstevel@tonic-gate * Create the secinfo result based on the security information 10147c478bd9Sstevel@tonic-gate * from the exportinfo structure (exi). 10157c478bd9Sstevel@tonic-gate * 10167c478bd9Sstevel@tonic-gate * Return all flavors for a pseudo node. 10177c478bd9Sstevel@tonic-gate * For a real export node, return the flavor that the client 10187c478bd9Sstevel@tonic-gate * has access with. 10197c478bd9Sstevel@tonic-gate */ 10207c478bd9Sstevel@tonic-gate ASSERT(RW_LOCK_HELD(&exported_lock)); 10217c478bd9Sstevel@tonic-gate if (PSEUDO(exi)) { 10227c478bd9Sstevel@tonic-gate count = exi->exi_export.ex_seccnt; /* total sec count */ 10237c478bd9Sstevel@tonic-gate resok_val = kmem_alloc(count * sizeof (secinfo4), KM_SLEEP); 10247c478bd9Sstevel@tonic-gate secp = exi->exi_export.ex_secinfo; 10257c478bd9Sstevel@tonic-gate 10267c478bd9Sstevel@tonic-gate for (i = 0; i < count; i++) { 10271b300de9Sjwahlig si = &secp[i].s_secinfo; 10281b300de9Sjwahlig resok_val[i].flavor = si->sc_rpcnum; 10297c478bd9Sstevel@tonic-gate if (resok_val[i].flavor == RPCSEC_GSS) { 10307c478bd9Sstevel@tonic-gate rpcsec_gss_info *info; 10317c478bd9Sstevel@tonic-gate 10327c478bd9Sstevel@tonic-gate info = &resok_val[i].flavor_info; 10331b300de9Sjwahlig info->qop = si->sc_qop; 10341b300de9Sjwahlig info->service = (rpc_gss_svc_t)si->sc_service; 10357c478bd9Sstevel@tonic-gate 10367c478bd9Sstevel@tonic-gate /* get oid opaque data */ 10377c478bd9Sstevel@tonic-gate info->oid.sec_oid4_len = 10381b300de9Sjwahlig si->sc_gss_mech_type->length; 10391b300de9Sjwahlig info->oid.sec_oid4_val = kmem_alloc( 10401b300de9Sjwahlig si->sc_gss_mech_type->length, KM_SLEEP); 10411b300de9Sjwahlig bcopy( 10421b300de9Sjwahlig si->sc_gss_mech_type->elements, 10431b300de9Sjwahlig info->oid.sec_oid4_val, 10441b300de9Sjwahlig info->oid.sec_oid4_len); 10457c478bd9Sstevel@tonic-gate } 10467c478bd9Sstevel@tonic-gate } 10477c478bd9Sstevel@tonic-gate resp->SECINFO4resok_len = count; 10487c478bd9Sstevel@tonic-gate resp->SECINFO4resok_val = resok_val; 10497c478bd9Sstevel@tonic-gate } else { 10507c478bd9Sstevel@tonic-gate int ret_cnt = 0, k = 0; 10517c478bd9Sstevel@tonic-gate int *flavor_list; 10527c478bd9Sstevel@tonic-gate 10537c478bd9Sstevel@tonic-gate count = exi->exi_export.ex_seccnt; /* total sec count */ 10547c478bd9Sstevel@tonic-gate secp = exi->exi_export.ex_secinfo; 10557c478bd9Sstevel@tonic-gate 10567c478bd9Sstevel@tonic-gate flavor_list = kmem_alloc(count * sizeof (int), KM_SLEEP); 10577c478bd9Sstevel@tonic-gate /* find out which flavors to return */ 10587c478bd9Sstevel@tonic-gate for (i = 0; i < count; i ++) { 10597c478bd9Sstevel@tonic-gate int access, flavor, perm; 10607c478bd9Sstevel@tonic-gate 10617c478bd9Sstevel@tonic-gate flavor = secp[i].s_secinfo.sc_nfsnum; 10627c478bd9Sstevel@tonic-gate perm = secp[i].s_flags; 10637c478bd9Sstevel@tonic-gate 10647c478bd9Sstevel@tonic-gate access = nfsauth4_secinfo_access(exi, cs->req, 10655cb0d679SMarcel Telka flavor, perm, cs->basecr); 10667c478bd9Sstevel@tonic-gate 10677c478bd9Sstevel@tonic-gate if (! (access & NFSAUTH_DENIED) && 10687c478bd9Sstevel@tonic-gate ! (access & NFSAUTH_WRONGSEC)) { 10697c478bd9Sstevel@tonic-gate flavor_list[ret_cnt] = flavor; 10707c478bd9Sstevel@tonic-gate ret_cnt++; 10717c478bd9Sstevel@tonic-gate } 10727c478bd9Sstevel@tonic-gate } 10737c478bd9Sstevel@tonic-gate 10747c478bd9Sstevel@tonic-gate /* Create the returning SECINFO value */ 10757c478bd9Sstevel@tonic-gate resok_val = kmem_alloc(ret_cnt * sizeof (secinfo4), KM_SLEEP); 10767c478bd9Sstevel@tonic-gate 10777c478bd9Sstevel@tonic-gate for (i = 0; i < count; i++) { 1078f3b585ceSsamf /* 1079f3b585ceSsamf * If the flavor is in the flavor list, 1080f3b585ceSsamf * fill in resok_val. 1081f3b585ceSsamf */ 10821b300de9Sjwahlig si = &secp[i].s_secinfo; 10831b300de9Sjwahlig if (in_flavor_list(si->sc_nfsnum, 10847c478bd9Sstevel@tonic-gate flavor_list, ret_cnt)) { 10851b300de9Sjwahlig resok_val[k].flavor = si->sc_rpcnum; 10867c478bd9Sstevel@tonic-gate if (resok_val[k].flavor == RPCSEC_GSS) { 10877c478bd9Sstevel@tonic-gate rpcsec_gss_info *info; 10887c478bd9Sstevel@tonic-gate 10897c478bd9Sstevel@tonic-gate info = &resok_val[k].flavor_info; 10901b300de9Sjwahlig info->qop = si->sc_qop; 10911b300de9Sjwahlig info->service = (rpc_gss_svc_t) 10921b300de9Sjwahlig si->sc_service; 10937c478bd9Sstevel@tonic-gate 10947c478bd9Sstevel@tonic-gate /* get oid opaque data */ 10957c478bd9Sstevel@tonic-gate info->oid.sec_oid4_len = 10961b300de9Sjwahlig si->sc_gss_mech_type->length; 10971b300de9Sjwahlig info->oid.sec_oid4_val = kmem_alloc( 10981b300de9Sjwahlig si->sc_gss_mech_type->length, 10997c478bd9Sstevel@tonic-gate KM_SLEEP); 11001b300de9Sjwahlig bcopy(si->sc_gss_mech_type->elements, 11011b300de9Sjwahlig info->oid.sec_oid4_val, 11021b300de9Sjwahlig info->oid.sec_oid4_len); 11037c478bd9Sstevel@tonic-gate } 11047c478bd9Sstevel@tonic-gate k++; 11057c478bd9Sstevel@tonic-gate } 11067c478bd9Sstevel@tonic-gate if (k >= ret_cnt) 11077c478bd9Sstevel@tonic-gate break; 11087c478bd9Sstevel@tonic-gate } 11097c478bd9Sstevel@tonic-gate resp->SECINFO4resok_len = ret_cnt; 11107c478bd9Sstevel@tonic-gate resp->SECINFO4resok_val = resok_val; 11117c478bd9Sstevel@tonic-gate kmem_free(flavor_list, count * sizeof (int)); 11127c478bd9Sstevel@tonic-gate } 11137c478bd9Sstevel@tonic-gate 11147c478bd9Sstevel@tonic-gate VN_RELE(vp); 11157c478bd9Sstevel@tonic-gate return (NFS4_OK); 11167c478bd9Sstevel@tonic-gate } 11177c478bd9Sstevel@tonic-gate 11187c478bd9Sstevel@tonic-gate /* 11197c478bd9Sstevel@tonic-gate * SECINFO (Operation 33): Obtain required security information on 11207c478bd9Sstevel@tonic-gate * the component name in the format of (security-mechanism-oid, qop, service) 11217c478bd9Sstevel@tonic-gate * triplets. 11227c478bd9Sstevel@tonic-gate */ 11237c478bd9Sstevel@tonic-gate /* ARGSUSED */ 11247c478bd9Sstevel@tonic-gate static void 11257c478bd9Sstevel@tonic-gate rfs4_op_secinfo(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 11267c478bd9Sstevel@tonic-gate struct compound_state *cs) 11277c478bd9Sstevel@tonic-gate { 1128f3b585ceSsamf SECINFO4args *args = &argop->nfs_argop4_u.opsecinfo; 11297c478bd9Sstevel@tonic-gate SECINFO4res *resp = &resop->nfs_resop4_u.opsecinfo; 1130f3b585ceSsamf utf8string *utfnm = &args->name; 11317c478bd9Sstevel@tonic-gate uint_t len; 11327c478bd9Sstevel@tonic-gate char *nm; 1133b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 1134b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 113515721462SDaniil Lunev nfsstat4 status = NFS4_OK; 11367c478bd9Sstevel@tonic-gate 1137f3b585ceSsamf DTRACE_NFSV4_2(op__secinfo__start, struct compound_state *, cs, 1138f3b585ceSsamf SECINFO4args *, args); 1139f3b585ceSsamf 11407c478bd9Sstevel@tonic-gate /* 11417c478bd9Sstevel@tonic-gate * Current file handle (cfh) should have been set before getting 11427c478bd9Sstevel@tonic-gate * into this function. If not, return error. 11437c478bd9Sstevel@tonic-gate */ 11447c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 11457c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 1146f3b585ceSsamf goto out; 11477c478bd9Sstevel@tonic-gate } 11487c478bd9Sstevel@tonic-gate 11497c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VDIR) { 11507c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 1151f3b585ceSsamf goto out; 11527c478bd9Sstevel@tonic-gate } 11537c478bd9Sstevel@tonic-gate 11547c478bd9Sstevel@tonic-gate /* 11557c478bd9Sstevel@tonic-gate * Verify the component name. If failed, error out, but 11567c478bd9Sstevel@tonic-gate * do not error out if the component name is a "..". 11577c478bd9Sstevel@tonic-gate * SECINFO will return its parents secinfo data for SECINFO "..". 11587c478bd9Sstevel@tonic-gate */ 115915721462SDaniil Lunev status = utf8_dir_verify(utfnm); 116015721462SDaniil Lunev if (status != NFS4_OK) { 11617c478bd9Sstevel@tonic-gate if (utfnm->utf8string_len != 2 || 11627c478bd9Sstevel@tonic-gate utfnm->utf8string_val[0] != '.' || 11637c478bd9Sstevel@tonic-gate utfnm->utf8string_val[1] != '.') { 116415721462SDaniil Lunev *cs->statusp = resp->status = status; 1165f3b585ceSsamf goto out; 11667c478bd9Sstevel@tonic-gate } 11677c478bd9Sstevel@tonic-gate } 11687c478bd9Sstevel@tonic-gate 11697c478bd9Sstevel@tonic-gate nm = utf8_to_str(utfnm, &len, NULL); 11707c478bd9Sstevel@tonic-gate if (nm == NULL) { 11717c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 1172f3b585ceSsamf goto out; 11737c478bd9Sstevel@tonic-gate } 11747c478bd9Sstevel@tonic-gate 11757c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 11767c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 11777c478bd9Sstevel@tonic-gate kmem_free(nm, len); 1178f3b585ceSsamf goto out; 11797c478bd9Sstevel@tonic-gate } 11807c478bd9Sstevel@tonic-gate 1181b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 1182b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 1183b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 11847c478bd9Sstevel@tonic-gate 1185b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 1186b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 1187b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, len); 1188b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 1189b89a8333Snatalie li - Sun Microsystems - Irvine United States } 1190b89a8333Snatalie li - Sun Microsystems - Irvine United States 1191b89a8333Snatalie li - Sun Microsystems - Irvine United States 1192b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = do_rfs4_op_secinfo(cs, name, resp); 1193b89a8333Snatalie li - Sun Microsystems - Irvine United States 1194b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 1195b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 11967c478bd9Sstevel@tonic-gate kmem_free(nm, len); 1197f3b585ceSsamf 1198f3b585ceSsamf out: 1199f3b585ceSsamf DTRACE_NFSV4_2(op__secinfo__done, struct compound_state *, cs, 1200f3b585ceSsamf SECINFO4res *, resp); 12017c478bd9Sstevel@tonic-gate } 12027c478bd9Sstevel@tonic-gate 12037c478bd9Sstevel@tonic-gate /* 12047c478bd9Sstevel@tonic-gate * Free SECINFO result. 12057c478bd9Sstevel@tonic-gate */ 12067c478bd9Sstevel@tonic-gate /* ARGSUSED */ 12077c478bd9Sstevel@tonic-gate static void 12087c478bd9Sstevel@tonic-gate rfs4_op_secinfo_free(nfs_resop4 *resop) 12097c478bd9Sstevel@tonic-gate { 12107c478bd9Sstevel@tonic-gate SECINFO4res *resp = &resop->nfs_resop4_u.opsecinfo; 12117c478bd9Sstevel@tonic-gate int count, i; 12127c478bd9Sstevel@tonic-gate secinfo4 *resok_val; 12137c478bd9Sstevel@tonic-gate 12147c478bd9Sstevel@tonic-gate /* If this is not an Ok result, nothing to free. */ 12157c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 12167c478bd9Sstevel@tonic-gate return; 12177c478bd9Sstevel@tonic-gate } 12187c478bd9Sstevel@tonic-gate 12197c478bd9Sstevel@tonic-gate count = resp->SECINFO4resok_len; 12207c478bd9Sstevel@tonic-gate resok_val = resp->SECINFO4resok_val; 12217c478bd9Sstevel@tonic-gate 12227c478bd9Sstevel@tonic-gate for (i = 0; i < count; i++) { 12237c478bd9Sstevel@tonic-gate if (resok_val[i].flavor == RPCSEC_GSS) { 12247c478bd9Sstevel@tonic-gate rpcsec_gss_info *info; 12257c478bd9Sstevel@tonic-gate 12267c478bd9Sstevel@tonic-gate info = &resok_val[i].flavor_info; 12271b300de9Sjwahlig kmem_free(info->oid.sec_oid4_val, 12281b300de9Sjwahlig info->oid.sec_oid4_len); 12297c478bd9Sstevel@tonic-gate } 12307c478bd9Sstevel@tonic-gate } 12317c478bd9Sstevel@tonic-gate kmem_free(resok_val, count * sizeof (secinfo4)); 12327c478bd9Sstevel@tonic-gate resp->SECINFO4resok_len = 0; 12337c478bd9Sstevel@tonic-gate resp->SECINFO4resok_val = NULL; 12347c478bd9Sstevel@tonic-gate } 12357c478bd9Sstevel@tonic-gate 12367c478bd9Sstevel@tonic-gate /* ARGSUSED */ 12377c478bd9Sstevel@tonic-gate static void 12387c478bd9Sstevel@tonic-gate rfs4_op_access(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 12397c478bd9Sstevel@tonic-gate struct compound_state *cs) 12407c478bd9Sstevel@tonic-gate { 12417c478bd9Sstevel@tonic-gate ACCESS4args *args = &argop->nfs_argop4_u.opaccess; 12427c478bd9Sstevel@tonic-gate ACCESS4res *resp = &resop->nfs_resop4_u.opaccess; 12437c478bd9Sstevel@tonic-gate int error; 12447c478bd9Sstevel@tonic-gate vnode_t *vp; 12457c478bd9Sstevel@tonic-gate struct vattr va; 12467c478bd9Sstevel@tonic-gate int checkwriteperm; 12477c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 124845916cd2Sjpk bslabel_t *clabel, *slabel; 124945916cd2Sjpk ts_label_t *tslabel; 125045916cd2Sjpk boolean_t admin_low_client; 12517c478bd9Sstevel@tonic-gate 1252f3b585ceSsamf DTRACE_NFSV4_2(op__access__start, struct compound_state *, cs, 1253f3b585ceSsamf ACCESS4args *, args); 1254f3b585ceSsamf 12557c478bd9Sstevel@tonic-gate #if 0 /* XXX allow access even if !cs->access. Eventually only pseudo fs */ 12567c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 12577c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 1258f3b585ceSsamf goto out; 12597c478bd9Sstevel@tonic-gate } 12607c478bd9Sstevel@tonic-gate #endif 12617c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 12627c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 1263f3b585ceSsamf goto out; 12647c478bd9Sstevel@tonic-gate } 12657c478bd9Sstevel@tonic-gate 12667c478bd9Sstevel@tonic-gate ASSERT(cr != NULL); 12677c478bd9Sstevel@tonic-gate 12687c478bd9Sstevel@tonic-gate vp = cs->vp; 12697c478bd9Sstevel@tonic-gate 12707c478bd9Sstevel@tonic-gate /* 12717c478bd9Sstevel@tonic-gate * If the file system is exported read only, it is not appropriate 12727c478bd9Sstevel@tonic-gate * to check write permissions for regular files and directories. 12737c478bd9Sstevel@tonic-gate * Special files are interpreted by the client, so the underlying 12747c478bd9Sstevel@tonic-gate * permissions are sent back to the client for interpretation. 12757c478bd9Sstevel@tonic-gate */ 12765cb0d679SMarcel Telka if (rdonly4(req, cs) && 12777c478bd9Sstevel@tonic-gate (vp->v_type == VREG || vp->v_type == VDIR)) 12787c478bd9Sstevel@tonic-gate checkwriteperm = 0; 12797c478bd9Sstevel@tonic-gate else 12807c478bd9Sstevel@tonic-gate checkwriteperm = 1; 12817c478bd9Sstevel@tonic-gate 12827c478bd9Sstevel@tonic-gate /* 12837c478bd9Sstevel@tonic-gate * XXX 12847c478bd9Sstevel@tonic-gate * We need the mode so that we can correctly determine access 12857c478bd9Sstevel@tonic-gate * permissions relative to a mandatory lock file. Access to 12867c478bd9Sstevel@tonic-gate * mandatory lock files is denied on the server, so it might 12877c478bd9Sstevel@tonic-gate * as well be reflected to the server during the open. 12887c478bd9Sstevel@tonic-gate */ 12897c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE; 1290da6c28aaSamw error = VOP_GETATTR(vp, &va, 0, cr, NULL); 12917c478bd9Sstevel@tonic-gate if (error) { 12927c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 1293f3b585ceSsamf goto out; 12947c478bd9Sstevel@tonic-gate } 12957c478bd9Sstevel@tonic-gate resp->access = 0; 12967c478bd9Sstevel@tonic-gate resp->supported = 0; 12977c478bd9Sstevel@tonic-gate 129845916cd2Sjpk if (is_system_labeled()) { 129945916cd2Sjpk ASSERT(req->rq_label != NULL); 130045916cd2Sjpk clabel = req->rq_label; 130145916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__opaccess__clabel, char *, 130245916cd2Sjpk "got client label from request(1)", 130345916cd2Sjpk struct svc_req *, req); 130445916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 1305bd6f1640SJarrett Lu if ((tslabel = nfs_getflabel(vp, cs->exi)) == NULL) { 130645916cd2Sjpk *cs->statusp = resp->status = puterrno4(EACCES); 1307f3b585ceSsamf goto out; 130845916cd2Sjpk } 130945916cd2Sjpk slabel = label2bslabel(tslabel); 131045916cd2Sjpk DTRACE_PROBE3(tx__rfs4__log__info__opaccess__slabel, 131145916cd2Sjpk char *, "got server label(1) for vp(2)", 131245916cd2Sjpk bslabel_t *, slabel, vnode_t *, vp); 131345916cd2Sjpk 131445916cd2Sjpk admin_low_client = B_FALSE; 131545916cd2Sjpk } else 131645916cd2Sjpk admin_low_client = B_TRUE; 131745916cd2Sjpk } 131845916cd2Sjpk 13197c478bd9Sstevel@tonic-gate if (args->access & ACCESS4_READ) { 1320da6c28aaSamw error = VOP_ACCESS(vp, VREAD, 0, cr, NULL); 132145916cd2Sjpk if (!error && !MANDLOCK(vp, va.va_mode) && 132245916cd2Sjpk (!is_system_labeled() || admin_low_client || 132345916cd2Sjpk bldominates(clabel, slabel))) 13247c478bd9Sstevel@tonic-gate resp->access |= ACCESS4_READ; 13257c478bd9Sstevel@tonic-gate resp->supported |= ACCESS4_READ; 13267c478bd9Sstevel@tonic-gate } 13277c478bd9Sstevel@tonic-gate if ((args->access & ACCESS4_LOOKUP) && vp->v_type == VDIR) { 1328da6c28aaSamw error = VOP_ACCESS(vp, VEXEC, 0, cr, NULL); 132945916cd2Sjpk if (!error && (!is_system_labeled() || admin_low_client || 133045916cd2Sjpk bldominates(clabel, slabel))) 13317c478bd9Sstevel@tonic-gate resp->access |= ACCESS4_LOOKUP; 13327c478bd9Sstevel@tonic-gate resp->supported |= ACCESS4_LOOKUP; 13337c478bd9Sstevel@tonic-gate } 13347c478bd9Sstevel@tonic-gate if (checkwriteperm && 13357c478bd9Sstevel@tonic-gate (args->access & (ACCESS4_MODIFY|ACCESS4_EXTEND))) { 1336da6c28aaSamw error = VOP_ACCESS(vp, VWRITE, 0, cr, NULL); 133745916cd2Sjpk if (!error && !MANDLOCK(vp, va.va_mode) && 133845916cd2Sjpk (!is_system_labeled() || admin_low_client || 133945916cd2Sjpk blequal(clabel, slabel))) 13407c478bd9Sstevel@tonic-gate resp->access |= 13417c478bd9Sstevel@tonic-gate (args->access & (ACCESS4_MODIFY | ACCESS4_EXTEND)); 1342e4359d72SDaniil Lunev resp->supported |= 1343e4359d72SDaniil Lunev resp->access & (ACCESS4_MODIFY | ACCESS4_EXTEND); 13447c478bd9Sstevel@tonic-gate } 13457c478bd9Sstevel@tonic-gate 13467c478bd9Sstevel@tonic-gate if (checkwriteperm && 13477c478bd9Sstevel@tonic-gate (args->access & ACCESS4_DELETE) && vp->v_type == VDIR) { 1348da6c28aaSamw error = VOP_ACCESS(vp, VWRITE, 0, cr, NULL); 134945916cd2Sjpk if (!error && (!is_system_labeled() || admin_low_client || 135045916cd2Sjpk blequal(clabel, slabel))) 13517c478bd9Sstevel@tonic-gate resp->access |= ACCESS4_DELETE; 13527c478bd9Sstevel@tonic-gate resp->supported |= ACCESS4_DELETE; 13537c478bd9Sstevel@tonic-gate } 13547c478bd9Sstevel@tonic-gate if (args->access & ACCESS4_EXECUTE && vp->v_type != VDIR) { 1355da6c28aaSamw error = VOP_ACCESS(vp, VEXEC, 0, cr, NULL); 135645916cd2Sjpk if (!error && !MANDLOCK(vp, va.va_mode) && 135745916cd2Sjpk (!is_system_labeled() || admin_low_client || 135845916cd2Sjpk bldominates(clabel, slabel))) 13597c478bd9Sstevel@tonic-gate resp->access |= ACCESS4_EXECUTE; 13607c478bd9Sstevel@tonic-gate resp->supported |= ACCESS4_EXECUTE; 13617c478bd9Sstevel@tonic-gate } 13627c478bd9Sstevel@tonic-gate 136345916cd2Sjpk if (is_system_labeled() && !admin_low_client) 136445916cd2Sjpk label_rele(tslabel); 136545916cd2Sjpk 13667c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 1367f3b585ceSsamf out: 1368f3b585ceSsamf DTRACE_NFSV4_2(op__access__done, struct compound_state *, cs, 1369f3b585ceSsamf ACCESS4res *, resp); 13707c478bd9Sstevel@tonic-gate } 13717c478bd9Sstevel@tonic-gate 13727c478bd9Sstevel@tonic-gate /* ARGSUSED */ 13737c478bd9Sstevel@tonic-gate static void 13747c478bd9Sstevel@tonic-gate rfs4_op_commit(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 13757c478bd9Sstevel@tonic-gate struct compound_state *cs) 13767c478bd9Sstevel@tonic-gate { 13777c478bd9Sstevel@tonic-gate COMMIT4args *args = &argop->nfs_argop4_u.opcommit; 13787c478bd9Sstevel@tonic-gate COMMIT4res *resp = &resop->nfs_resop4_u.opcommit; 13797c478bd9Sstevel@tonic-gate int error; 13807c478bd9Sstevel@tonic-gate vnode_t *vp = cs->vp; 13817c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 13827c478bd9Sstevel@tonic-gate vattr_t va; 13837c478bd9Sstevel@tonic-gate 1384f3b585ceSsamf DTRACE_NFSV4_2(op__commit__start, struct compound_state *, cs, 1385f3b585ceSsamf COMMIT4args *, args); 1386f3b585ceSsamf 13877c478bd9Sstevel@tonic-gate if (vp == NULL) { 13887c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 1389f3b585ceSsamf goto out; 13907c478bd9Sstevel@tonic-gate } 13917c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 13927c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 1393f3b585ceSsamf goto out; 13947c478bd9Sstevel@tonic-gate } 13957c478bd9Sstevel@tonic-gate 13967c478bd9Sstevel@tonic-gate if (args->offset + args->count < args->offset) { 13977c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 1398f3b585ceSsamf goto out; 13997c478bd9Sstevel@tonic-gate } 14007c478bd9Sstevel@tonic-gate 14017c478bd9Sstevel@tonic-gate va.va_mask = AT_UID; 1402da6c28aaSamw error = VOP_GETATTR(vp, &va, 0, cr, NULL); 14037c478bd9Sstevel@tonic-gate 14047c478bd9Sstevel@tonic-gate /* 14057c478bd9Sstevel@tonic-gate * If we can't get the attributes, then we can't do the 14067c478bd9Sstevel@tonic-gate * right access checking. So, we'll fail the request. 14077c478bd9Sstevel@tonic-gate */ 14087c478bd9Sstevel@tonic-gate if (error) { 14097c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 1410f3b585ceSsamf goto out; 14117c478bd9Sstevel@tonic-gate } 14125cb0d679SMarcel Telka if (rdonly4(req, cs)) { 14137c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 1414f3b585ceSsamf goto out; 14157c478bd9Sstevel@tonic-gate } 14167c478bd9Sstevel@tonic-gate 14177c478bd9Sstevel@tonic-gate if (vp->v_type != VREG) { 14187c478bd9Sstevel@tonic-gate if (vp->v_type == VDIR) 14197c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_ISDIR; 14207c478bd9Sstevel@tonic-gate else 14217c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 14227c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 1423f3b585ceSsamf goto out; 14247c478bd9Sstevel@tonic-gate } 14257c478bd9Sstevel@tonic-gate 14267c478bd9Sstevel@tonic-gate if (crgetuid(cr) != va.va_uid && 1427da6c28aaSamw (error = VOP_ACCESS(vp, VWRITE, 0, cs->cr, NULL))) { 14287c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 1429f3b585ceSsamf goto out; 14307c478bd9Sstevel@tonic-gate } 14317c478bd9Sstevel@tonic-gate 1432f63200e6SJeff A. Smith error = VOP_FSYNC(vp, FSYNC, cr, NULL); 14337c478bd9Sstevel@tonic-gate 14347c478bd9Sstevel@tonic-gate if (error) { 14357c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 1436f3b585ceSsamf goto out; 14377c478bd9Sstevel@tonic-gate } 14387c478bd9Sstevel@tonic-gate 14397c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 14407c478bd9Sstevel@tonic-gate resp->writeverf = Write4verf; 1441f3b585ceSsamf out: 1442f3b585ceSsamf DTRACE_NFSV4_2(op__commit__done, struct compound_state *, cs, 1443f3b585ceSsamf COMMIT4res *, resp); 14447c478bd9Sstevel@tonic-gate } 14457c478bd9Sstevel@tonic-gate 14467c478bd9Sstevel@tonic-gate /* 14477c478bd9Sstevel@tonic-gate * rfs4_op_mknod is called from rfs4_op_create after all initial verification 14487c478bd9Sstevel@tonic-gate * was completed. It does the nfsv4 create for special files. 14497c478bd9Sstevel@tonic-gate */ 14507c478bd9Sstevel@tonic-gate /* ARGSUSED */ 14517c478bd9Sstevel@tonic-gate static vnode_t * 14527c478bd9Sstevel@tonic-gate do_rfs4_op_mknod(CREATE4args *args, CREATE4res *resp, struct svc_req *req, 14537c478bd9Sstevel@tonic-gate struct compound_state *cs, vattr_t *vap, char *nm) 14547c478bd9Sstevel@tonic-gate { 14557c478bd9Sstevel@tonic-gate int error; 14567c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 14577c478bd9Sstevel@tonic-gate vnode_t *dvp = cs->vp; 14587c478bd9Sstevel@tonic-gate vnode_t *vp = NULL; 14597c478bd9Sstevel@tonic-gate int mode; 14607c478bd9Sstevel@tonic-gate enum vcexcl excl; 14617c478bd9Sstevel@tonic-gate 14627c478bd9Sstevel@tonic-gate switch (args->type) { 14637c478bd9Sstevel@tonic-gate case NF4CHR: 14647c478bd9Sstevel@tonic-gate case NF4BLK: 14657c478bd9Sstevel@tonic-gate if (secpolicy_sys_devices(cr) != 0) { 14667c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_PERM; 14677c478bd9Sstevel@tonic-gate return (NULL); 14687c478bd9Sstevel@tonic-gate } 14697c478bd9Sstevel@tonic-gate if (args->type == NF4CHR) 14707c478bd9Sstevel@tonic-gate vap->va_type = VCHR; 14717c478bd9Sstevel@tonic-gate else 14727c478bd9Sstevel@tonic-gate vap->va_type = VBLK; 14737c478bd9Sstevel@tonic-gate vap->va_rdev = makedevice(args->ftype4_u.devdata.specdata1, 14747c478bd9Sstevel@tonic-gate args->ftype4_u.devdata.specdata2); 14757c478bd9Sstevel@tonic-gate vap->va_mask |= AT_RDEV; 14767c478bd9Sstevel@tonic-gate break; 14777c478bd9Sstevel@tonic-gate case NF4SOCK: 14787c478bd9Sstevel@tonic-gate vap->va_type = VSOCK; 14797c478bd9Sstevel@tonic-gate break; 14807c478bd9Sstevel@tonic-gate case NF4FIFO: 14817c478bd9Sstevel@tonic-gate vap->va_type = VFIFO; 14827c478bd9Sstevel@tonic-gate break; 14837c478bd9Sstevel@tonic-gate default: 14847c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BADTYPE; 14857c478bd9Sstevel@tonic-gate return (NULL); 14867c478bd9Sstevel@tonic-gate } 14877c478bd9Sstevel@tonic-gate 14887c478bd9Sstevel@tonic-gate /* 14897c478bd9Sstevel@tonic-gate * Must specify the mode. 14907c478bd9Sstevel@tonic-gate */ 14917c478bd9Sstevel@tonic-gate if (!(vap->va_mask & AT_MODE)) { 14927c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 14937c478bd9Sstevel@tonic-gate return (NULL); 14947c478bd9Sstevel@tonic-gate } 14957c478bd9Sstevel@tonic-gate 14967c478bd9Sstevel@tonic-gate excl = EXCL; 14977c478bd9Sstevel@tonic-gate 14987c478bd9Sstevel@tonic-gate mode = 0; 14997c478bd9Sstevel@tonic-gate 1500da6c28aaSamw error = VOP_CREATE(dvp, nm, vap, excl, mode, &vp, cr, 0, NULL, NULL); 15017c478bd9Sstevel@tonic-gate if (error) { 15027c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 15037c478bd9Sstevel@tonic-gate return (NULL); 15047c478bd9Sstevel@tonic-gate } 15057c478bd9Sstevel@tonic-gate return (vp); 15067c478bd9Sstevel@tonic-gate } 15077c478bd9Sstevel@tonic-gate 15087c478bd9Sstevel@tonic-gate /* 15097c478bd9Sstevel@tonic-gate * nfsv4 create is used to create non-regular files. For regular files, 15107c478bd9Sstevel@tonic-gate * use nfsv4 open. 15117c478bd9Sstevel@tonic-gate */ 15127c478bd9Sstevel@tonic-gate /* ARGSUSED */ 15137c478bd9Sstevel@tonic-gate static void 15147c478bd9Sstevel@tonic-gate rfs4_op_create(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 15157c478bd9Sstevel@tonic-gate struct compound_state *cs) 15167c478bd9Sstevel@tonic-gate { 15177c478bd9Sstevel@tonic-gate CREATE4args *args = &argop->nfs_argop4_u.opcreate; 15187c478bd9Sstevel@tonic-gate CREATE4res *resp = &resop->nfs_resop4_u.opcreate; 15197c478bd9Sstevel@tonic-gate int error; 15207c478bd9Sstevel@tonic-gate struct vattr bva, iva, iva2, ava, *vap; 15217c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 15227c478bd9Sstevel@tonic-gate vnode_t *dvp = cs->vp; 15237c478bd9Sstevel@tonic-gate vnode_t *vp = NULL; 1524fd7da618Sgt29601 vnode_t *realvp; 15257c478bd9Sstevel@tonic-gate char *nm, *lnm; 15267c478bd9Sstevel@tonic-gate uint_t len, llen; 15277c478bd9Sstevel@tonic-gate int syncval = 0; 15287c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 15297c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 15307c478bd9Sstevel@tonic-gate struct statvfs64 sb; 15317c478bd9Sstevel@tonic-gate nfsstat4 status; 1532b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 1533b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 1534b89a8333Snatalie li - Sun Microsystems - Irvine United States char *lname = NULL; 15357c478bd9Sstevel@tonic-gate 1536f3b585ceSsamf DTRACE_NFSV4_2(op__create__start, struct compound_state *, cs, 1537f3b585ceSsamf CREATE4args *, args); 1538f3b585ceSsamf 15397c478bd9Sstevel@tonic-gate resp->attrset = 0; 15407c478bd9Sstevel@tonic-gate 15417c478bd9Sstevel@tonic-gate if (dvp == NULL) { 15427c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 1543f3b585ceSsamf goto out; 15447c478bd9Sstevel@tonic-gate } 15457c478bd9Sstevel@tonic-gate 15467c478bd9Sstevel@tonic-gate /* 15477c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 15487c478bd9Sstevel@tonic-gate * do not allow to create an object in this directory. 15497c478bd9Sstevel@tonic-gate */ 15507c478bd9Sstevel@tonic-gate if (vn_ismntpt(dvp)) { 15517c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 1552f3b585ceSsamf goto out; 15537c478bd9Sstevel@tonic-gate } 15547c478bd9Sstevel@tonic-gate 15557c478bd9Sstevel@tonic-gate /* Verify that type is correct */ 15567c478bd9Sstevel@tonic-gate switch (args->type) { 15577c478bd9Sstevel@tonic-gate case NF4LNK: 15587c478bd9Sstevel@tonic-gate case NF4BLK: 15597c478bd9Sstevel@tonic-gate case NF4CHR: 15607c478bd9Sstevel@tonic-gate case NF4SOCK: 15617c478bd9Sstevel@tonic-gate case NF4FIFO: 15627c478bd9Sstevel@tonic-gate case NF4DIR: 15637c478bd9Sstevel@tonic-gate break; 15647c478bd9Sstevel@tonic-gate default: 15657c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BADTYPE; 1566f3b585ceSsamf goto out; 15677c478bd9Sstevel@tonic-gate }; 15687c478bd9Sstevel@tonic-gate 15697c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 15707c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 1571f3b585ceSsamf goto out; 15727c478bd9Sstevel@tonic-gate } 15737c478bd9Sstevel@tonic-gate if (dvp->v_type != VDIR) { 15747c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 1575f3b585ceSsamf goto out; 15767c478bd9Sstevel@tonic-gate } 157715721462SDaniil Lunev status = utf8_dir_verify(&args->objname); 157815721462SDaniil Lunev if (status != NFS4_OK) { 157915721462SDaniil Lunev *cs->statusp = resp->status = status; 1580f3b585ceSsamf goto out; 15817c478bd9Sstevel@tonic-gate } 15827c478bd9Sstevel@tonic-gate 15835cb0d679SMarcel Telka if (rdonly4(req, cs)) { 15847c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 1585f3b585ceSsamf goto out; 15867c478bd9Sstevel@tonic-gate } 15877c478bd9Sstevel@tonic-gate 15887c478bd9Sstevel@tonic-gate /* 15897c478bd9Sstevel@tonic-gate * Name of newly created object 15907c478bd9Sstevel@tonic-gate */ 15917c478bd9Sstevel@tonic-gate nm = utf8_to_fn(&args->objname, &len, NULL); 15927c478bd9Sstevel@tonic-gate if (nm == NULL) { 15937c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 1594f3b585ceSsamf goto out; 15957c478bd9Sstevel@tonic-gate } 15967c478bd9Sstevel@tonic-gate 15977c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 15987c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 15997c478bd9Sstevel@tonic-gate kmem_free(nm, len); 1600f3b585ceSsamf goto out; 16017c478bd9Sstevel@tonic-gate } 16027c478bd9Sstevel@tonic-gate 1603b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 1604b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 1605b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 1606b89a8333Snatalie li - Sun Microsystems - Irvine United States 1607b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 1608b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 1609b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, len); 1610b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 1611b89a8333Snatalie li - Sun Microsystems - Irvine United States } 1612b89a8333Snatalie li - Sun Microsystems - Irvine United States 16137c478bd9Sstevel@tonic-gate resp->attrset = 0; 16147c478bd9Sstevel@tonic-gate 16157c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 16162f172c55SRobert Thurlow sarg.is_referral = B_FALSE; 16177c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 16187c478bd9Sstevel@tonic-gate 16197c478bd9Sstevel@tonic-gate status = do_rfs4_set_attrs(&resp->attrset, 16201b300de9Sjwahlig &args->createattrs, cs, &sarg, &ntov, NFS4ATTR_SETIT); 16217c478bd9Sstevel@tonic-gate 16227c478bd9Sstevel@tonic-gate if (sarg.vap->va_mask == 0 && status == NFS4_OK) 16237c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 16247c478bd9Sstevel@tonic-gate 16257c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 16267c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 162759fb210bSJan Kryl if (name != nm) 162859fb210bSJan Kryl kmem_free(name, MAXPATHLEN + 1); 16297c478bd9Sstevel@tonic-gate kmem_free(nm, len); 16307c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 16317c478bd9Sstevel@tonic-gate resp->attrset = 0; 1632f3b585ceSsamf goto out; 16337c478bd9Sstevel@tonic-gate } 16347c478bd9Sstevel@tonic-gate 16357c478bd9Sstevel@tonic-gate /* Get "before" change value */ 1636e3c57d6aSGerald Thornbrugh bva.va_mask = AT_CTIME|AT_SEQ|AT_MODE; 1637da6c28aaSamw error = VOP_GETATTR(dvp, &bva, 0, cr, NULL); 16387c478bd9Sstevel@tonic-gate if (error) { 16397c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 164059fb210bSJan Kryl if (name != nm) 164159fb210bSJan Kryl kmem_free(name, MAXPATHLEN + 1); 16427c478bd9Sstevel@tonic-gate kmem_free(nm, len); 16437c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 16447c478bd9Sstevel@tonic-gate resp->attrset = 0; 1645f3b585ceSsamf goto out; 16467c478bd9Sstevel@tonic-gate } 16477c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.before, bva.va_ctime) 16487c478bd9Sstevel@tonic-gate 16497c478bd9Sstevel@tonic-gate vap = sarg.vap; 16507c478bd9Sstevel@tonic-gate 16517c478bd9Sstevel@tonic-gate /* 1652e3c57d6aSGerald Thornbrugh * Set the default initial values for attributes when the parent 1653e3c57d6aSGerald Thornbrugh * directory does not have the VSUID/VSGID bit set and they have 1654e3c57d6aSGerald Thornbrugh * not been specified in createattrs. 16557c478bd9Sstevel@tonic-gate */ 1656e3c57d6aSGerald Thornbrugh if (!(bva.va_mode & VSUID) && (vap->va_mask & AT_UID) == 0) { 16577c478bd9Sstevel@tonic-gate vap->va_uid = crgetuid(cr); 16587c478bd9Sstevel@tonic-gate vap->va_mask |= AT_UID; 16597c478bd9Sstevel@tonic-gate } 1660e3c57d6aSGerald Thornbrugh if (!(bva.va_mode & VSGID) && (vap->va_mask & AT_GID) == 0) { 16617c478bd9Sstevel@tonic-gate vap->va_gid = crgetgid(cr); 16627c478bd9Sstevel@tonic-gate vap->va_mask |= AT_GID; 16637c478bd9Sstevel@tonic-gate } 16647c478bd9Sstevel@tonic-gate 16657c478bd9Sstevel@tonic-gate vap->va_mask |= AT_TYPE; 16667c478bd9Sstevel@tonic-gate switch (args->type) { 16677c478bd9Sstevel@tonic-gate case NF4DIR: 16687c478bd9Sstevel@tonic-gate vap->va_type = VDIR; 16697c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_MODE) == 0) { 16707c478bd9Sstevel@tonic-gate vap->va_mode = 0700; /* default: owner rwx only */ 16717c478bd9Sstevel@tonic-gate vap->va_mask |= AT_MODE; 16727c478bd9Sstevel@tonic-gate } 167359fb210bSJan Kryl error = VOP_MKDIR(dvp, name, vap, &vp, cr, NULL, 0, NULL); 16747c478bd9Sstevel@tonic-gate if (error) 16757c478bd9Sstevel@tonic-gate break; 16767c478bd9Sstevel@tonic-gate 16777c478bd9Sstevel@tonic-gate /* 16787c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, 16797c478bd9Sstevel@tonic-gate * set to zero 16807c478bd9Sstevel@tonic-gate */ 16817c478bd9Sstevel@tonic-gate iva.va_mask = AT_SEQ; 1682da6c28aaSamw if (VOP_GETATTR(dvp, &iva, 0, cs->cr, NULL)) 16837c478bd9Sstevel@tonic-gate iva.va_seq = 0; 16847c478bd9Sstevel@tonic-gate break; 16857c478bd9Sstevel@tonic-gate case NF4LNK: 16867c478bd9Sstevel@tonic-gate vap->va_type = VLNK; 16877c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_MODE) == 0) { 16887c478bd9Sstevel@tonic-gate vap->va_mode = 0700; /* default: owner rwx only */ 16897c478bd9Sstevel@tonic-gate vap->va_mask |= AT_MODE; 16907c478bd9Sstevel@tonic-gate } 16917c478bd9Sstevel@tonic-gate 16927c478bd9Sstevel@tonic-gate /* 16937c478bd9Sstevel@tonic-gate * symlink names must be treated as data 16947c478bd9Sstevel@tonic-gate */ 16957c478bd9Sstevel@tonic-gate lnm = utf8_to_str(&args->ftype4_u.linkdata, &llen, NULL); 16967c478bd9Sstevel@tonic-gate 16977c478bd9Sstevel@tonic-gate if (lnm == NULL) { 16987c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 1699b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 1700b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 17017c478bd9Sstevel@tonic-gate kmem_free(nm, len); 17027c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 17037c478bd9Sstevel@tonic-gate resp->attrset = 0; 1704f3b585ceSsamf goto out; 17057c478bd9Sstevel@tonic-gate } 17067c478bd9Sstevel@tonic-gate 17077c478bd9Sstevel@tonic-gate if (llen > MAXPATHLEN) { 17087c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 1709b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 1710b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 1711b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, len); 1712b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(lnm, llen); 1713b89a8333Snatalie li - Sun Microsystems - Irvine United States nfs4_ntov_table_free(&ntov, &sarg); 1714b89a8333Snatalie li - Sun Microsystems - Irvine United States resp->attrset = 0; 1715b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 1716b89a8333Snatalie li - Sun Microsystems - Irvine United States } 1717b89a8333Snatalie li - Sun Microsystems - Irvine United States 1718b89a8333Snatalie li - Sun Microsystems - Irvine United States lname = nfscmd_convname(ca, cs->exi, lnm, 1719b89a8333Snatalie li - Sun Microsystems - Irvine United States NFSCMD_CONV_INBOUND, MAXPATHLEN + 1); 1720b89a8333Snatalie li - Sun Microsystems - Irvine United States 1721b89a8333Snatalie li - Sun Microsystems - Irvine United States if (lname == NULL) { 1722b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 1723b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 1724b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 17257c478bd9Sstevel@tonic-gate kmem_free(nm, len); 17267c478bd9Sstevel@tonic-gate kmem_free(lnm, llen); 17277c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 17287c478bd9Sstevel@tonic-gate resp->attrset = 0; 1729f3b585ceSsamf goto out; 17307c478bd9Sstevel@tonic-gate } 17317c478bd9Sstevel@tonic-gate 173259fb210bSJan Kryl error = VOP_SYMLINK(dvp, name, vap, lname, cr, NULL, 0); 1733b89a8333Snatalie li - Sun Microsystems - Irvine United States if (lname != lnm) 1734b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(lname, MAXPATHLEN + 1); 17357c478bd9Sstevel@tonic-gate kmem_free(lnm, llen); 17367c478bd9Sstevel@tonic-gate if (error) 17377c478bd9Sstevel@tonic-gate break; 17387c478bd9Sstevel@tonic-gate 17397c478bd9Sstevel@tonic-gate /* 17407c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, 17417c478bd9Sstevel@tonic-gate * set to zero 17427c478bd9Sstevel@tonic-gate */ 17437c478bd9Sstevel@tonic-gate iva.va_mask = AT_SEQ; 1744da6c28aaSamw if (VOP_GETATTR(dvp, &iva, 0, cs->cr, NULL)) 17457c478bd9Sstevel@tonic-gate iva.va_seq = 0; 17467c478bd9Sstevel@tonic-gate 174759fb210bSJan Kryl error = VOP_LOOKUP(dvp, name, &vp, NULL, 0, NULL, cr, 1748da6c28aaSamw NULL, NULL, NULL); 17497c478bd9Sstevel@tonic-gate if (error) 17507c478bd9Sstevel@tonic-gate break; 17517c478bd9Sstevel@tonic-gate 17527c478bd9Sstevel@tonic-gate /* 17537c478bd9Sstevel@tonic-gate * va_seq is not safe over VOP calls, check it again 17547c478bd9Sstevel@tonic-gate * if it has changed zero out iva to force atomic = FALSE. 17557c478bd9Sstevel@tonic-gate */ 17567c478bd9Sstevel@tonic-gate iva2.va_mask = AT_SEQ; 1757da6c28aaSamw if (VOP_GETATTR(dvp, &iva2, 0, cs->cr, NULL) || 17587c478bd9Sstevel@tonic-gate iva2.va_seq != iva.va_seq) 17597c478bd9Sstevel@tonic-gate iva.va_seq = 0; 17607c478bd9Sstevel@tonic-gate break; 17617c478bd9Sstevel@tonic-gate default: 17627c478bd9Sstevel@tonic-gate /* 17637c478bd9Sstevel@tonic-gate * probably a special file. 17647c478bd9Sstevel@tonic-gate */ 17657c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_MODE) == 0) { 17667c478bd9Sstevel@tonic-gate vap->va_mode = 0600; /* default: owner rw only */ 17677c478bd9Sstevel@tonic-gate vap->va_mask |= AT_MODE; 17687c478bd9Sstevel@tonic-gate } 17697c478bd9Sstevel@tonic-gate syncval = FNODSYNC; 17707c478bd9Sstevel@tonic-gate /* 17717c478bd9Sstevel@tonic-gate * We know this will only generate one VOP call 17727c478bd9Sstevel@tonic-gate */ 177359fb210bSJan Kryl vp = do_rfs4_op_mknod(args, resp, req, cs, vap, name); 17747c478bd9Sstevel@tonic-gate 17757c478bd9Sstevel@tonic-gate if (vp == NULL) { 1776b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 1777b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 17787c478bd9Sstevel@tonic-gate kmem_free(nm, len); 17797c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 17807c478bd9Sstevel@tonic-gate resp->attrset = 0; 1781f3b585ceSsamf goto out; 17827c478bd9Sstevel@tonic-gate } 17837c478bd9Sstevel@tonic-gate 17847c478bd9Sstevel@tonic-gate /* 17857c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, 17867c478bd9Sstevel@tonic-gate * set to zero 17877c478bd9Sstevel@tonic-gate */ 17887c478bd9Sstevel@tonic-gate iva.va_mask = AT_SEQ; 1789da6c28aaSamw if (VOP_GETATTR(dvp, &iva, 0, cs->cr, NULL)) 17907c478bd9Sstevel@tonic-gate iva.va_seq = 0; 17917c478bd9Sstevel@tonic-gate 17927c478bd9Sstevel@tonic-gate break; 17937c478bd9Sstevel@tonic-gate } 1794b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 1795b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 17967c478bd9Sstevel@tonic-gate kmem_free(nm, len); 17977c478bd9Sstevel@tonic-gate 17987c478bd9Sstevel@tonic-gate if (error) { 17997c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 18007c478bd9Sstevel@tonic-gate } 18017c478bd9Sstevel@tonic-gate 18027c478bd9Sstevel@tonic-gate /* 18037c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 18047c478bd9Sstevel@tonic-gate */ 1805da6c28aaSamw (void) VOP_FSYNC(dvp, 0, cr, NULL); 18067c478bd9Sstevel@tonic-gate 18077c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 18087c478bd9Sstevel@tonic-gate if (vp != NULL) 18097c478bd9Sstevel@tonic-gate VN_RELE(vp); 18107c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 18117c478bd9Sstevel@tonic-gate resp->attrset = 0; 1812f3b585ceSsamf goto out; 18137c478bd9Sstevel@tonic-gate } 18147c478bd9Sstevel@tonic-gate 18157c478bd9Sstevel@tonic-gate /* 18167c478bd9Sstevel@tonic-gate * Finish setup of cinfo response, "before" value already set. 18177c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 18187c478bd9Sstevel@tonic-gate * before value. 18197c478bd9Sstevel@tonic-gate */ 18207c478bd9Sstevel@tonic-gate ava.va_mask = AT_CTIME|AT_SEQ; 1821da6c28aaSamw if (VOP_GETATTR(dvp, &ava, 0, cr, NULL)) { 18227c478bd9Sstevel@tonic-gate ava.va_ctime = bva.va_ctime; 18237c478bd9Sstevel@tonic-gate ava.va_seq = 0; 18247c478bd9Sstevel@tonic-gate } 18257c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.after, ava.va_ctime); 18267c478bd9Sstevel@tonic-gate 18277c478bd9Sstevel@tonic-gate /* 18287c478bd9Sstevel@tonic-gate * True verification that object was created with correct 18297c478bd9Sstevel@tonic-gate * attrs is impossible. The attrs could have been changed 18307c478bd9Sstevel@tonic-gate * immediately after object creation. If attributes did 18317c478bd9Sstevel@tonic-gate * not verify, the only recourse for the server is to 18327c478bd9Sstevel@tonic-gate * destroy the object. Maybe if some attrs (like gid) 18337c478bd9Sstevel@tonic-gate * are set incorrectly, the object should be destroyed; 18347c478bd9Sstevel@tonic-gate * however, seems bad as a default policy. Do we really 18357c478bd9Sstevel@tonic-gate * want to destroy an object over one of the times not 18367c478bd9Sstevel@tonic-gate * verifying correctly? For these reasons, the server 18377c478bd9Sstevel@tonic-gate * currently sets bits in attrset for createattrs 18387c478bd9Sstevel@tonic-gate * that were set; however, no verification is done. 18397c478bd9Sstevel@tonic-gate * 18407c478bd9Sstevel@tonic-gate * vmask_to_nmask accounts for vattr bits set on create 18417c478bd9Sstevel@tonic-gate * [do_rfs4_set_attrs() only sets resp bits for 18427c478bd9Sstevel@tonic-gate * non-vattr/vfs bits.] 18437c478bd9Sstevel@tonic-gate * Mask off any bits set by default so as not to return 18447c478bd9Sstevel@tonic-gate * more attrset bits than were requested in createattrs 18457c478bd9Sstevel@tonic-gate */ 18467c478bd9Sstevel@tonic-gate nfs4_vmask_to_nmask(sarg.vap->va_mask, &resp->attrset); 18477c478bd9Sstevel@tonic-gate resp->attrset &= args->createattrs.attrmask; 18487c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 18497c478bd9Sstevel@tonic-gate 18507c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, vp, cs->exi); 18517c478bd9Sstevel@tonic-gate if (error) { 18527c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 18537c478bd9Sstevel@tonic-gate } 18547c478bd9Sstevel@tonic-gate 18557c478bd9Sstevel@tonic-gate /* 18567c478bd9Sstevel@tonic-gate * The cinfo.atomic = TRUE only if we got no errors, we have 18577c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 18587c478bd9Sstevel@tonic-gate * during the creation and it didn't change during the VOP_LOOKUP 18597c478bd9Sstevel@tonic-gate * or VOP_FSYNC. 18607c478bd9Sstevel@tonic-gate */ 18617c478bd9Sstevel@tonic-gate if (!error && bva.va_seq && iva.va_seq && ava.va_seq && 18621b300de9Sjwahlig iva.va_seq == (bva.va_seq + 1) && iva.va_seq == ava.va_seq) 18637c478bd9Sstevel@tonic-gate resp->cinfo.atomic = TRUE; 18647c478bd9Sstevel@tonic-gate else 18657c478bd9Sstevel@tonic-gate resp->cinfo.atomic = FALSE; 18667c478bd9Sstevel@tonic-gate 1867fd7da618Sgt29601 /* 1868fd7da618Sgt29601 * Force modified metadata out to stable storage. 1869fd7da618Sgt29601 * 1870fd7da618Sgt29601 * if a underlying vp exists, pass it to VOP_FSYNC 1871fd7da618Sgt29601 */ 1872fd7da618Sgt29601 if (VOP_REALVP(vp, &realvp, NULL) == 0) 1873fd7da618Sgt29601 (void) VOP_FSYNC(realvp, syncval, cr, NULL); 1874fd7da618Sgt29601 else 1875da6c28aaSamw (void) VOP_FSYNC(vp, syncval, cr, NULL); 18767c478bd9Sstevel@tonic-gate 18777c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 18787c478bd9Sstevel@tonic-gate VN_RELE(vp); 1879f3b585ceSsamf goto out; 18807c478bd9Sstevel@tonic-gate } 18817c478bd9Sstevel@tonic-gate if (cs->vp) 18827c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 18837c478bd9Sstevel@tonic-gate 18847c478bd9Sstevel@tonic-gate cs->vp = vp; 18857c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 1886f3b585ceSsamf out: 1887f3b585ceSsamf DTRACE_NFSV4_2(op__create__done, struct compound_state *, cs, 1888f3b585ceSsamf CREATE4res *, resp); 18897c478bd9Sstevel@tonic-gate } 18907c478bd9Sstevel@tonic-gate 1891f3b585ceSsamf /*ARGSUSED*/ 1892f3b585ceSsamf static void 1893f3b585ceSsamf rfs4_op_delegpurge(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 1894f3b585ceSsamf struct compound_state *cs) 1895f3b585ceSsamf { 1896f3b585ceSsamf DTRACE_NFSV4_2(op__delegpurge__start, struct compound_state *, cs, 1897f3b585ceSsamf DELEGPURGE4args *, &argop->nfs_argop4_u.opdelegpurge); 1898f3b585ceSsamf 1899f3b585ceSsamf rfs4_op_inval(argop, resop, req, cs); 1900f3b585ceSsamf 1901f3b585ceSsamf DTRACE_NFSV4_2(op__delegpurge__done, struct compound_state *, cs, 1902f3b585ceSsamf DELEGPURGE4res *, &resop->nfs_resop4_u.opdelegpurge); 1903f3b585ceSsamf } 19047c478bd9Sstevel@tonic-gate 19057c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 19067c478bd9Sstevel@tonic-gate static void 19077c478bd9Sstevel@tonic-gate rfs4_op_delegreturn(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 19087c478bd9Sstevel@tonic-gate struct compound_state *cs) 19097c478bd9Sstevel@tonic-gate { 19107c478bd9Sstevel@tonic-gate DELEGRETURN4args *args = &argop->nfs_argop4_u.opdelegreturn; 19117c478bd9Sstevel@tonic-gate DELEGRETURN4res *resp = &resop->nfs_resop4_u.opdelegreturn; 19127c478bd9Sstevel@tonic-gate rfs4_deleg_state_t *dsp; 19137c478bd9Sstevel@tonic-gate nfsstat4 status; 19147c478bd9Sstevel@tonic-gate 1915f3b585ceSsamf DTRACE_NFSV4_2(op__delegreturn__start, struct compound_state *, cs, 1916f3b585ceSsamf DELEGRETURN4args *, args); 1917f3b585ceSsamf 19187c478bd9Sstevel@tonic-gate status = rfs4_get_deleg_state(&args->deleg_stateid, &dsp); 19197c478bd9Sstevel@tonic-gate resp->status = *cs->statusp = status; 19207c478bd9Sstevel@tonic-gate if (status != NFS4_OK) 1921f3b585ceSsamf goto out; 19227c478bd9Sstevel@tonic-gate 19237c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 1924d216dff5SRobert Mastors if (cs->vp != dsp->rds_finfo->rf_vp) { 19257c478bd9Sstevel@tonic-gate resp->status = *cs->statusp = NFS4ERR_BAD_STATEID; 19267c478bd9Sstevel@tonic-gate } else 19277c478bd9Sstevel@tonic-gate rfs4_return_deleg(dsp, FALSE); 19287c478bd9Sstevel@tonic-gate 1929d216dff5SRobert Mastors rfs4_update_lease(dsp->rds_client); 19307c478bd9Sstevel@tonic-gate 19317c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 1932f3b585ceSsamf out: 1933f3b585ceSsamf DTRACE_NFSV4_2(op__delegreturn__done, struct compound_state *, cs, 1934f3b585ceSsamf DELEGRETURN4res *, resp); 19357c478bd9Sstevel@tonic-gate } 19367c478bd9Sstevel@tonic-gate 19377c478bd9Sstevel@tonic-gate /* 19387c478bd9Sstevel@tonic-gate * Check to see if a given "flavor" is an explicitly shared flavor. 19397c478bd9Sstevel@tonic-gate * The assumption of this routine is the "flavor" is already a valid 19407c478bd9Sstevel@tonic-gate * flavor in the secinfo list of "exi". 19417c478bd9Sstevel@tonic-gate * 19427c478bd9Sstevel@tonic-gate * e.g. 19437c478bd9Sstevel@tonic-gate * # share -o sec=flavor1 /export 19447c478bd9Sstevel@tonic-gate * # share -o sec=flavor2 /export/home 19457c478bd9Sstevel@tonic-gate * 19467c478bd9Sstevel@tonic-gate * flavor2 is not an explicitly shared flavor for /export, 19477c478bd9Sstevel@tonic-gate * however it is in the secinfo list for /export thru the 19487c478bd9Sstevel@tonic-gate * server namespace setup. 19497c478bd9Sstevel@tonic-gate */ 19507c478bd9Sstevel@tonic-gate int 19517c478bd9Sstevel@tonic-gate is_exported_sec(int flavor, struct exportinfo *exi) 19527c478bd9Sstevel@tonic-gate { 19537c478bd9Sstevel@tonic-gate int i; 19547c478bd9Sstevel@tonic-gate struct secinfo *sp; 19557c478bd9Sstevel@tonic-gate 19567c478bd9Sstevel@tonic-gate sp = exi->exi_export.ex_secinfo; 19577c478bd9Sstevel@tonic-gate for (i = 0; i < exi->exi_export.ex_seccnt; i++) { 19587c478bd9Sstevel@tonic-gate if (flavor == sp[i].s_secinfo.sc_nfsnum || 19597c478bd9Sstevel@tonic-gate sp[i].s_secinfo.sc_nfsnum == AUTH_NONE) { 19607c478bd9Sstevel@tonic-gate return (SEC_REF_EXPORTED(&sp[i])); 19617c478bd9Sstevel@tonic-gate } 19627c478bd9Sstevel@tonic-gate } 19637c478bd9Sstevel@tonic-gate 19647c478bd9Sstevel@tonic-gate /* Should not reach this point based on the assumption */ 19657c478bd9Sstevel@tonic-gate return (0); 19667c478bd9Sstevel@tonic-gate } 19677c478bd9Sstevel@tonic-gate 19687c478bd9Sstevel@tonic-gate /* 19697c478bd9Sstevel@tonic-gate * Check if the security flavor used in the request matches what is 19707c478bd9Sstevel@tonic-gate * required at the export point or at the root pseudo node (exi_root). 19717c478bd9Sstevel@tonic-gate * 19727c478bd9Sstevel@tonic-gate * returns 1 if there's a match or if exported with AUTH_NONE; 0 otherwise. 19737c478bd9Sstevel@tonic-gate * 19747c478bd9Sstevel@tonic-gate */ 19757c478bd9Sstevel@tonic-gate static int 19767c478bd9Sstevel@tonic-gate secinfo_match_or_authnone(struct compound_state *cs) 19777c478bd9Sstevel@tonic-gate { 19787c478bd9Sstevel@tonic-gate int i; 19797c478bd9Sstevel@tonic-gate struct secinfo *sp; 19807c478bd9Sstevel@tonic-gate 19817c478bd9Sstevel@tonic-gate /* 19827c478bd9Sstevel@tonic-gate * Check cs->nfsflavor (from the request) against 19837c478bd9Sstevel@tonic-gate * the current export data in cs->exi. 19847c478bd9Sstevel@tonic-gate */ 19857c478bd9Sstevel@tonic-gate sp = cs->exi->exi_export.ex_secinfo; 19867c478bd9Sstevel@tonic-gate for (i = 0; i < cs->exi->exi_export.ex_seccnt; i++) { 19877c478bd9Sstevel@tonic-gate if (cs->nfsflavor == sp[i].s_secinfo.sc_nfsnum || 19887c478bd9Sstevel@tonic-gate sp[i].s_secinfo.sc_nfsnum == AUTH_NONE) 19897c478bd9Sstevel@tonic-gate return (1); 19907c478bd9Sstevel@tonic-gate } 19917c478bd9Sstevel@tonic-gate 19927c478bd9Sstevel@tonic-gate return (0); 19937c478bd9Sstevel@tonic-gate } 19947c478bd9Sstevel@tonic-gate 19957c478bd9Sstevel@tonic-gate /* 19967c478bd9Sstevel@tonic-gate * Check the access authority for the client and return the correct error. 19977c478bd9Sstevel@tonic-gate */ 19987c478bd9Sstevel@tonic-gate nfsstat4 19997c478bd9Sstevel@tonic-gate call_checkauth4(struct compound_state *cs, struct svc_req *req) 20007c478bd9Sstevel@tonic-gate { 20017c478bd9Sstevel@tonic-gate int authres; 20027c478bd9Sstevel@tonic-gate 20037c478bd9Sstevel@tonic-gate /* 20047c478bd9Sstevel@tonic-gate * First, check if the security flavor used in the request 20057c478bd9Sstevel@tonic-gate * are among the flavors set in the server namespace. 20067c478bd9Sstevel@tonic-gate */ 20077c478bd9Sstevel@tonic-gate if (!secinfo_match_or_authnone(cs)) { 20087c478bd9Sstevel@tonic-gate *cs->statusp = NFS4ERR_WRONGSEC; 20097c478bd9Sstevel@tonic-gate return (*cs->statusp); 20107c478bd9Sstevel@tonic-gate } 20117c478bd9Sstevel@tonic-gate 20127c478bd9Sstevel@tonic-gate authres = checkauth4(cs, req); 20137c478bd9Sstevel@tonic-gate 20147c478bd9Sstevel@tonic-gate if (authres > 0) { 20157c478bd9Sstevel@tonic-gate *cs->statusp = NFS4_OK; 20167c478bd9Sstevel@tonic-gate if (! (cs->access & CS_ACCESS_LIMITED)) 20177c478bd9Sstevel@tonic-gate cs->access = CS_ACCESS_OK; 20187c478bd9Sstevel@tonic-gate } else if (authres == 0) { 20197c478bd9Sstevel@tonic-gate *cs->statusp = NFS4ERR_ACCESS; 20207c478bd9Sstevel@tonic-gate } else if (authres == -2) { 20217c478bd9Sstevel@tonic-gate *cs->statusp = NFS4ERR_WRONGSEC; 20227c478bd9Sstevel@tonic-gate } else { 20237c478bd9Sstevel@tonic-gate *cs->statusp = NFS4ERR_DELAY; 20247c478bd9Sstevel@tonic-gate } 20257c478bd9Sstevel@tonic-gate return (*cs->statusp); 20267c478bd9Sstevel@tonic-gate } 20277c478bd9Sstevel@tonic-gate 20287c478bd9Sstevel@tonic-gate /* 20297c478bd9Sstevel@tonic-gate * bitmap4_to_attrmask is called by getattr and readdir. 20307c478bd9Sstevel@tonic-gate * It sets up the vattr mask and determines whether vfsstat call is needed 20317c478bd9Sstevel@tonic-gate * based on the input bitmap. 20327c478bd9Sstevel@tonic-gate * Returns nfsv4 status. 20337c478bd9Sstevel@tonic-gate */ 20347c478bd9Sstevel@tonic-gate static nfsstat4 20357c478bd9Sstevel@tonic-gate bitmap4_to_attrmask(bitmap4 breq, struct nfs4_svgetit_arg *sargp) 20367c478bd9Sstevel@tonic-gate { 20377c478bd9Sstevel@tonic-gate int i; 20387c478bd9Sstevel@tonic-gate uint_t va_mask; 20397c478bd9Sstevel@tonic-gate struct statvfs64 *sbp = sargp->sbp; 20407c478bd9Sstevel@tonic-gate 20417c478bd9Sstevel@tonic-gate sargp->sbp = NULL; 20427c478bd9Sstevel@tonic-gate sargp->flag = 0; 20437c478bd9Sstevel@tonic-gate sargp->rdattr_error = NFS4_OK; 20447c478bd9Sstevel@tonic-gate sargp->mntdfid_set = FALSE; 20457c478bd9Sstevel@tonic-gate if (sargp->cs->vp) 20467c478bd9Sstevel@tonic-gate sargp->xattr = get_fh4_flag(&sargp->cs->fh, 20477c478bd9Sstevel@tonic-gate FH4_ATTRDIR | FH4_NAMEDATTR); 20487c478bd9Sstevel@tonic-gate else 20497c478bd9Sstevel@tonic-gate sargp->xattr = 0; 20507c478bd9Sstevel@tonic-gate 20517c478bd9Sstevel@tonic-gate /* 20527c478bd9Sstevel@tonic-gate * Set rdattr_error_req to true if return error per 20537c478bd9Sstevel@tonic-gate * failed entry rather than fail the readdir. 20547c478bd9Sstevel@tonic-gate */ 20557c478bd9Sstevel@tonic-gate if (breq & FATTR4_RDATTR_ERROR_MASK) 20567c478bd9Sstevel@tonic-gate sargp->rdattr_error_req = 1; 20577c478bd9Sstevel@tonic-gate else 20587c478bd9Sstevel@tonic-gate sargp->rdattr_error_req = 0; 20597c478bd9Sstevel@tonic-gate 20607c478bd9Sstevel@tonic-gate /* 20617c478bd9Sstevel@tonic-gate * generate the va_mask 20627c478bd9Sstevel@tonic-gate * Handle the easy cases first 20637c478bd9Sstevel@tonic-gate */ 20647c478bd9Sstevel@tonic-gate switch (breq) { 20657c478bd9Sstevel@tonic-gate case NFS4_NTOV_ATTR_MASK: 20667c478bd9Sstevel@tonic-gate sargp->vap->va_mask = NFS4_NTOV_ATTR_AT_MASK; 20677c478bd9Sstevel@tonic-gate return (NFS4_OK); 20687c478bd9Sstevel@tonic-gate 20697c478bd9Sstevel@tonic-gate case NFS4_FS_ATTR_MASK: 20707c478bd9Sstevel@tonic-gate sargp->vap->va_mask = NFS4_FS_ATTR_AT_MASK; 20717c478bd9Sstevel@tonic-gate sargp->sbp = sbp; 20727c478bd9Sstevel@tonic-gate return (NFS4_OK); 20737c478bd9Sstevel@tonic-gate 20747c478bd9Sstevel@tonic-gate case NFS4_NTOV_ATTR_CACHE_MASK: 20757c478bd9Sstevel@tonic-gate sargp->vap->va_mask = NFS4_NTOV_ATTR_CACHE_AT_MASK; 20767c478bd9Sstevel@tonic-gate return (NFS4_OK); 20777c478bd9Sstevel@tonic-gate 20787c478bd9Sstevel@tonic-gate case FATTR4_LEASE_TIME_MASK: 20797c478bd9Sstevel@tonic-gate sargp->vap->va_mask = 0; 20807c478bd9Sstevel@tonic-gate return (NFS4_OK); 20817c478bd9Sstevel@tonic-gate 20827c478bd9Sstevel@tonic-gate default: 20837c478bd9Sstevel@tonic-gate va_mask = 0; 20847c478bd9Sstevel@tonic-gate for (i = 0; i < nfs4_ntov_map_size; i++) { 20857c478bd9Sstevel@tonic-gate if ((breq & nfs4_ntov_map[i].fbit) && 20867c478bd9Sstevel@tonic-gate nfs4_ntov_map[i].vbit) 20877c478bd9Sstevel@tonic-gate va_mask |= nfs4_ntov_map[i].vbit; 20887c478bd9Sstevel@tonic-gate } 20897c478bd9Sstevel@tonic-gate 20907c478bd9Sstevel@tonic-gate /* 20917c478bd9Sstevel@tonic-gate * Check is vfsstat is needed 20927c478bd9Sstevel@tonic-gate */ 20937c478bd9Sstevel@tonic-gate if (breq & NFS4_FS_ATTR_MASK) 20947c478bd9Sstevel@tonic-gate sargp->sbp = sbp; 20957c478bd9Sstevel@tonic-gate 20967c478bd9Sstevel@tonic-gate sargp->vap->va_mask = va_mask; 20977c478bd9Sstevel@tonic-gate return (NFS4_OK); 20987c478bd9Sstevel@tonic-gate } 20997c478bd9Sstevel@tonic-gate /* NOTREACHED */ 21007c478bd9Sstevel@tonic-gate } 21017c478bd9Sstevel@tonic-gate 21027c478bd9Sstevel@tonic-gate /* 21037c478bd9Sstevel@tonic-gate * bitmap4_get_sysattrs is called by getattr and readdir. 21047c478bd9Sstevel@tonic-gate * It calls both VOP_GETATTR and VFS_STATVFS calls to get the attrs. 21057c478bd9Sstevel@tonic-gate * Returns nfsv4 status. 21067c478bd9Sstevel@tonic-gate */ 21077c478bd9Sstevel@tonic-gate static nfsstat4 21087c478bd9Sstevel@tonic-gate bitmap4_get_sysattrs(struct nfs4_svgetit_arg *sargp) 21097c478bd9Sstevel@tonic-gate { 21107c478bd9Sstevel@tonic-gate int error; 21117c478bd9Sstevel@tonic-gate struct compound_state *cs = sargp->cs; 21127c478bd9Sstevel@tonic-gate vnode_t *vp = cs->vp; 21137c478bd9Sstevel@tonic-gate 21147c478bd9Sstevel@tonic-gate if (sargp->sbp != NULL) { 21157c478bd9Sstevel@tonic-gate if (error = VFS_STATVFS(vp->v_vfsp, sargp->sbp)) { 21167c478bd9Sstevel@tonic-gate sargp->sbp = NULL; /* to identify error */ 21177c478bd9Sstevel@tonic-gate return (puterrno4(error)); 21187c478bd9Sstevel@tonic-gate } 21197c478bd9Sstevel@tonic-gate } 21207c478bd9Sstevel@tonic-gate 21217c478bd9Sstevel@tonic-gate return (rfs4_vop_getattr(vp, sargp->vap, 0, cs->cr)); 21227c478bd9Sstevel@tonic-gate } 21237c478bd9Sstevel@tonic-gate 21247c478bd9Sstevel@tonic-gate static void 21257c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(struct nfs4_ntov_table *ntovp) 21267c478bd9Sstevel@tonic-gate { 21277c478bd9Sstevel@tonic-gate ntovp->na = kmem_zalloc(sizeof (union nfs4_attr_u) * nfs4_ntov_map_size, 21287c478bd9Sstevel@tonic-gate KM_SLEEP); 21297c478bd9Sstevel@tonic-gate ntovp->attrcnt = 0; 21307c478bd9Sstevel@tonic-gate ntovp->vfsstat = FALSE; 21317c478bd9Sstevel@tonic-gate } 21327c478bd9Sstevel@tonic-gate 21337c478bd9Sstevel@tonic-gate static void 21347c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(struct nfs4_ntov_table *ntovp, 21357c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg *sargp) 21367c478bd9Sstevel@tonic-gate { 21377c478bd9Sstevel@tonic-gate int i; 21387c478bd9Sstevel@tonic-gate union nfs4_attr_u *na; 21397c478bd9Sstevel@tonic-gate uint8_t *amap; 21407c478bd9Sstevel@tonic-gate 21417c478bd9Sstevel@tonic-gate /* 21427c478bd9Sstevel@tonic-gate * XXX Should do the same checks for whether the bit is set 21437c478bd9Sstevel@tonic-gate */ 21447c478bd9Sstevel@tonic-gate for (i = 0, na = ntovp->na, amap = ntovp->amap; 21457c478bd9Sstevel@tonic-gate i < ntovp->attrcnt; i++, na++, amap++) { 21467c478bd9Sstevel@tonic-gate (void) (*nfs4_ntov_map[*amap].sv_getit)( 21477c478bd9Sstevel@tonic-gate NFS4ATTR_FREEIT, sargp, na); 21487c478bd9Sstevel@tonic-gate } 21497c478bd9Sstevel@tonic-gate if ((sargp->op == NFS4ATTR_SETIT) || (sargp->op == NFS4ATTR_VERIT)) { 21507c478bd9Sstevel@tonic-gate /* 21517c478bd9Sstevel@tonic-gate * xdr_free for getattr will be done later 21527c478bd9Sstevel@tonic-gate */ 21537c478bd9Sstevel@tonic-gate for (i = 0, na = ntovp->na, amap = ntovp->amap; 21547c478bd9Sstevel@tonic-gate i < ntovp->attrcnt; i++, na++, amap++) { 21557c478bd9Sstevel@tonic-gate xdr_free(nfs4_ntov_map[*amap].xfunc, (caddr_t)na); 21567c478bd9Sstevel@tonic-gate } 21577c478bd9Sstevel@tonic-gate } 21587c478bd9Sstevel@tonic-gate kmem_free(ntovp->na, sizeof (union nfs4_attr_u) * nfs4_ntov_map_size); 21597c478bd9Sstevel@tonic-gate } 21607c478bd9Sstevel@tonic-gate 21617c478bd9Sstevel@tonic-gate /* 21627c478bd9Sstevel@tonic-gate * do_rfs4_op_getattr gets the system attrs and converts into fattr4. 21637c478bd9Sstevel@tonic-gate */ 21647c478bd9Sstevel@tonic-gate static nfsstat4 21657c478bd9Sstevel@tonic-gate do_rfs4_op_getattr(bitmap4 breq, fattr4 *fattrp, 21667c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg *sargp) 21677c478bd9Sstevel@tonic-gate { 21687c478bd9Sstevel@tonic-gate int error = 0; 21697c478bd9Sstevel@tonic-gate int i, k; 21707c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 21717c478bd9Sstevel@tonic-gate XDR xdr; 21727c478bd9Sstevel@tonic-gate ulong_t xdr_size; 21737c478bd9Sstevel@tonic-gate char *xdr_attrs; 21747c478bd9Sstevel@tonic-gate nfsstat4 status = NFS4_OK; 21757c478bd9Sstevel@tonic-gate nfsstat4 prev_rdattr_error = sargp->rdattr_error; 21767c478bd9Sstevel@tonic-gate union nfs4_attr_u *na; 21777c478bd9Sstevel@tonic-gate uint8_t *amap; 21787c478bd9Sstevel@tonic-gate 21797c478bd9Sstevel@tonic-gate sargp->op = NFS4ATTR_GETIT; 21807c478bd9Sstevel@tonic-gate sargp->flag = 0; 21817c478bd9Sstevel@tonic-gate 21827c478bd9Sstevel@tonic-gate fattrp->attrmask = 0; 21837c478bd9Sstevel@tonic-gate /* if no bits requested, then return empty fattr4 */ 21847c478bd9Sstevel@tonic-gate if (breq == 0) { 21857c478bd9Sstevel@tonic-gate fattrp->attrlist4_len = 0; 21867c478bd9Sstevel@tonic-gate fattrp->attrlist4 = NULL; 21877c478bd9Sstevel@tonic-gate return (NFS4_OK); 21887c478bd9Sstevel@tonic-gate } 21897c478bd9Sstevel@tonic-gate 21907c478bd9Sstevel@tonic-gate /* 21917c478bd9Sstevel@tonic-gate * return NFS4ERR_INVAL when client requests write-only attrs 21927c478bd9Sstevel@tonic-gate */ 21937c478bd9Sstevel@tonic-gate if (breq & (FATTR4_TIME_ACCESS_SET_MASK | FATTR4_TIME_MODIFY_SET_MASK)) 21947c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 21957c478bd9Sstevel@tonic-gate 21967c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 21977c478bd9Sstevel@tonic-gate na = ntov.na; 21987c478bd9Sstevel@tonic-gate amap = ntov.amap; 21997c478bd9Sstevel@tonic-gate 22007c478bd9Sstevel@tonic-gate /* 22017c478bd9Sstevel@tonic-gate * Now loop to get or verify the attrs 22027c478bd9Sstevel@tonic-gate */ 22037c478bd9Sstevel@tonic-gate for (i = 0; i < nfs4_ntov_map_size; i++) { 22047c478bd9Sstevel@tonic-gate if (breq & nfs4_ntov_map[i].fbit) { 22057c478bd9Sstevel@tonic-gate if ((*nfs4_ntov_map[i].sv_getit)( 22067c478bd9Sstevel@tonic-gate NFS4ATTR_SUPPORTED, sargp, NULL) == 0) { 22077c478bd9Sstevel@tonic-gate 22087c478bd9Sstevel@tonic-gate error = (*nfs4_ntov_map[i].sv_getit)( 22097c478bd9Sstevel@tonic-gate NFS4ATTR_GETIT, sargp, na); 22107c478bd9Sstevel@tonic-gate 22117c478bd9Sstevel@tonic-gate /* 22127c478bd9Sstevel@tonic-gate * Possible error values: 22137c478bd9Sstevel@tonic-gate * >0 if sv_getit failed to 22147c478bd9Sstevel@tonic-gate * get the attr; 0 if succeeded; 22157c478bd9Sstevel@tonic-gate * <0 if rdattr_error and the 22167c478bd9Sstevel@tonic-gate * attribute cannot be returned. 22177c478bd9Sstevel@tonic-gate */ 22187c478bd9Sstevel@tonic-gate if (error && !(sargp->rdattr_error_req)) 22197c478bd9Sstevel@tonic-gate goto done; 22207c478bd9Sstevel@tonic-gate /* 22217c478bd9Sstevel@tonic-gate * If error then just for entry 22227c478bd9Sstevel@tonic-gate */ 22237c478bd9Sstevel@tonic-gate if (error == 0) { 22247c478bd9Sstevel@tonic-gate fattrp->attrmask |= 22257c478bd9Sstevel@tonic-gate nfs4_ntov_map[i].fbit; 22267c478bd9Sstevel@tonic-gate *amap++ = 22277c478bd9Sstevel@tonic-gate (uint8_t)nfs4_ntov_map[i].nval; 22287c478bd9Sstevel@tonic-gate na++; 22297c478bd9Sstevel@tonic-gate (ntov.attrcnt)++; 22307c478bd9Sstevel@tonic-gate } else if ((error > 0) && 22317c478bd9Sstevel@tonic-gate (sargp->rdattr_error == NFS4_OK)) { 22327c478bd9Sstevel@tonic-gate sargp->rdattr_error = puterrno4(error); 22337c478bd9Sstevel@tonic-gate } 22347c478bd9Sstevel@tonic-gate error = 0; 22357c478bd9Sstevel@tonic-gate } 22367c478bd9Sstevel@tonic-gate } 22377c478bd9Sstevel@tonic-gate } 22387c478bd9Sstevel@tonic-gate 22397c478bd9Sstevel@tonic-gate /* 22407c478bd9Sstevel@tonic-gate * If rdattr_error was set after the return value for it was assigned, 22417c478bd9Sstevel@tonic-gate * update it. 22427c478bd9Sstevel@tonic-gate */ 22437c478bd9Sstevel@tonic-gate if (prev_rdattr_error != sargp->rdattr_error) { 22447c478bd9Sstevel@tonic-gate na = ntov.na; 22457c478bd9Sstevel@tonic-gate amap = ntov.amap; 22467c478bd9Sstevel@tonic-gate for (i = 0; i < ntov.attrcnt; i++, na++, amap++) { 22477c478bd9Sstevel@tonic-gate k = *amap; 22487c478bd9Sstevel@tonic-gate if (k < FATTR4_RDATTR_ERROR) { 22497c478bd9Sstevel@tonic-gate continue; 22507c478bd9Sstevel@tonic-gate } 22517c478bd9Sstevel@tonic-gate if ((k == FATTR4_RDATTR_ERROR) && 22527c478bd9Sstevel@tonic-gate ((*nfs4_ntov_map[k].sv_getit)( 22537c478bd9Sstevel@tonic-gate NFS4ATTR_SUPPORTED, sargp, NULL) == 0)) { 22547c478bd9Sstevel@tonic-gate 22557c478bd9Sstevel@tonic-gate (void) (*nfs4_ntov_map[k].sv_getit)( 22567c478bd9Sstevel@tonic-gate NFS4ATTR_GETIT, sargp, na); 22577c478bd9Sstevel@tonic-gate } 22587c478bd9Sstevel@tonic-gate break; 22597c478bd9Sstevel@tonic-gate } 22607c478bd9Sstevel@tonic-gate } 22617c478bd9Sstevel@tonic-gate 22627c478bd9Sstevel@tonic-gate xdr_size = 0; 22637c478bd9Sstevel@tonic-gate na = ntov.na; 22647c478bd9Sstevel@tonic-gate amap = ntov.amap; 22657c478bd9Sstevel@tonic-gate for (i = 0; i < ntov.attrcnt; i++, na++, amap++) { 22667c478bd9Sstevel@tonic-gate xdr_size += xdr_sizeof(nfs4_ntov_map[*amap].xfunc, na); 22677c478bd9Sstevel@tonic-gate } 22687c478bd9Sstevel@tonic-gate 22697c478bd9Sstevel@tonic-gate fattrp->attrlist4_len = xdr_size; 22707c478bd9Sstevel@tonic-gate if (xdr_size) { 22717c478bd9Sstevel@tonic-gate /* freed by rfs4_op_getattr_free() */ 22727c478bd9Sstevel@tonic-gate fattrp->attrlist4 = xdr_attrs = kmem_zalloc(xdr_size, KM_SLEEP); 22737c478bd9Sstevel@tonic-gate 22747c478bd9Sstevel@tonic-gate xdrmem_create(&xdr, xdr_attrs, xdr_size, XDR_ENCODE); 22757c478bd9Sstevel@tonic-gate 22767c478bd9Sstevel@tonic-gate na = ntov.na; 22777c478bd9Sstevel@tonic-gate amap = ntov.amap; 22787c478bd9Sstevel@tonic-gate for (i = 0; i < ntov.attrcnt; i++, na++, amap++) { 22797c478bd9Sstevel@tonic-gate if (!(*nfs4_ntov_map[*amap].xfunc)(&xdr, na)) { 22800a701b1eSRobert Gordon DTRACE_PROBE1(nfss__e__getattr4_encfail, 22810a701b1eSRobert Gordon int, *amap); 22827c478bd9Sstevel@tonic-gate status = NFS4ERR_SERVERFAULT; 22837c478bd9Sstevel@tonic-gate break; 22847c478bd9Sstevel@tonic-gate } 22857c478bd9Sstevel@tonic-gate } 22867c478bd9Sstevel@tonic-gate /* xdrmem_destroy(&xdrs); */ /* NO-OP */ 22877c478bd9Sstevel@tonic-gate } else { 22887c478bd9Sstevel@tonic-gate fattrp->attrlist4 = NULL; 22897c478bd9Sstevel@tonic-gate } 22907c478bd9Sstevel@tonic-gate done: 22917c478bd9Sstevel@tonic-gate 22927c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, sargp); 22937c478bd9Sstevel@tonic-gate 22947c478bd9Sstevel@tonic-gate if (error != 0) 22957c478bd9Sstevel@tonic-gate status = puterrno4(error); 22967c478bd9Sstevel@tonic-gate 22977c478bd9Sstevel@tonic-gate return (status); 22987c478bd9Sstevel@tonic-gate } 22997c478bd9Sstevel@tonic-gate 23007c478bd9Sstevel@tonic-gate /* ARGSUSED */ 23017c478bd9Sstevel@tonic-gate static void 23027c478bd9Sstevel@tonic-gate rfs4_op_getattr(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 23037c478bd9Sstevel@tonic-gate struct compound_state *cs) 23047c478bd9Sstevel@tonic-gate { 23057c478bd9Sstevel@tonic-gate GETATTR4args *args = &argop->nfs_argop4_u.opgetattr; 23067c478bd9Sstevel@tonic-gate GETATTR4res *resp = &resop->nfs_resop4_u.opgetattr; 23077c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 23087c478bd9Sstevel@tonic-gate struct statvfs64 sb; 23097c478bd9Sstevel@tonic-gate nfsstat4 status; 23107c478bd9Sstevel@tonic-gate 2311f3b585ceSsamf DTRACE_NFSV4_2(op__getattr__start, struct compound_state *, cs, 2312f3b585ceSsamf GETATTR4args *, args); 2313f3b585ceSsamf 23147c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 23157c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2316f3b585ceSsamf goto out; 23177c478bd9Sstevel@tonic-gate } 23187c478bd9Sstevel@tonic-gate 23197c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 23207c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 2321f3b585ceSsamf goto out; 23227c478bd9Sstevel@tonic-gate } 23237c478bd9Sstevel@tonic-gate 23247c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 23257c478bd9Sstevel@tonic-gate sarg.cs = cs; 23262f172c55SRobert Thurlow sarg.is_referral = B_FALSE; 23277c478bd9Sstevel@tonic-gate 23287c478bd9Sstevel@tonic-gate status = bitmap4_to_attrmask(args->attr_request, &sarg); 23297c478bd9Sstevel@tonic-gate if (status == NFS4_OK) { 23302f172c55SRobert Thurlow 23317c478bd9Sstevel@tonic-gate status = bitmap4_get_sysattrs(&sarg); 23322f172c55SRobert Thurlow if (status == NFS4_OK) { 23332f172c55SRobert Thurlow 23342f172c55SRobert Thurlow /* Is this a referral? */ 23352f172c55SRobert Thurlow if (vn_is_nfs_reparse(cs->vp, cs->cr)) { 23362f172c55SRobert Thurlow /* Older V4 Solaris client sees a link */ 23372f172c55SRobert Thurlow if (client_is_downrev(req)) 23382f172c55SRobert Thurlow sarg.vap->va_type = VLNK; 23392f172c55SRobert Thurlow else 23402f172c55SRobert Thurlow sarg.is_referral = B_TRUE; 23412f172c55SRobert Thurlow } 23422f172c55SRobert Thurlow 23437c478bd9Sstevel@tonic-gate status = do_rfs4_op_getattr(args->attr_request, 23447c478bd9Sstevel@tonic-gate &resp->obj_attributes, &sarg); 23457c478bd9Sstevel@tonic-gate } 23462f172c55SRobert Thurlow } 23477c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 2348f3b585ceSsamf out: 2349f3b585ceSsamf DTRACE_NFSV4_2(op__getattr__done, struct compound_state *, cs, 2350f3b585ceSsamf GETATTR4res *, resp); 23517c478bd9Sstevel@tonic-gate } 23527c478bd9Sstevel@tonic-gate 23537c478bd9Sstevel@tonic-gate static void 23547c478bd9Sstevel@tonic-gate rfs4_op_getattr_free(nfs_resop4 *resop) 23557c478bd9Sstevel@tonic-gate { 23567c478bd9Sstevel@tonic-gate GETATTR4res *resp = &resop->nfs_resop4_u.opgetattr; 23577c478bd9Sstevel@tonic-gate 23587c478bd9Sstevel@tonic-gate nfs4_fattr4_free(&resp->obj_attributes); 23597c478bd9Sstevel@tonic-gate } 23607c478bd9Sstevel@tonic-gate 23617c478bd9Sstevel@tonic-gate /* ARGSUSED */ 23627c478bd9Sstevel@tonic-gate static void 23637c478bd9Sstevel@tonic-gate rfs4_op_getfh(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 23647c478bd9Sstevel@tonic-gate struct compound_state *cs) 23657c478bd9Sstevel@tonic-gate { 23667c478bd9Sstevel@tonic-gate GETFH4res *resp = &resop->nfs_resop4_u.opgetfh; 23677c478bd9Sstevel@tonic-gate 2368f3b585ceSsamf DTRACE_NFSV4_1(op__getfh__start, struct compound_state *, cs); 2369f3b585ceSsamf 23707c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 23717c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2372f3b585ceSsamf goto out; 23737c478bd9Sstevel@tonic-gate } 23747c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 23757c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 2376f3b585ceSsamf goto out; 23777c478bd9Sstevel@tonic-gate } 23787c478bd9Sstevel@tonic-gate 23792f172c55SRobert Thurlow /* check for reparse point at the share point */ 23802f172c55SRobert Thurlow if (cs->exi->exi_moved || vn_is_nfs_reparse(cs->exi->exi_vp, cs->cr)) { 23812f172c55SRobert Thurlow /* it's all bad */ 23822f172c55SRobert Thurlow cs->exi->exi_moved = 1; 23832f172c55SRobert Thurlow *cs->statusp = resp->status = NFS4ERR_MOVED; 23842f172c55SRobert Thurlow DTRACE_PROBE2(nfs4serv__func__referral__shared__moved, 23852f172c55SRobert Thurlow vnode_t *, cs->vp, char *, "rfs4_op_getfh"); 23862f172c55SRobert Thurlow return; 23872f172c55SRobert Thurlow } 23882f172c55SRobert Thurlow 23892f172c55SRobert Thurlow /* check for reparse point at vp */ 23902f172c55SRobert Thurlow if (vn_is_nfs_reparse(cs->vp, cs->cr) && !client_is_downrev(req)) { 23912f172c55SRobert Thurlow /* it's not all bad */ 23922f172c55SRobert Thurlow *cs->statusp = resp->status = NFS4ERR_MOVED; 23932f172c55SRobert Thurlow DTRACE_PROBE2(nfs4serv__func__referral__moved, 23942f172c55SRobert Thurlow vnode_t *, cs->vp, char *, "rfs4_op_getfh"); 23952f172c55SRobert Thurlow return; 23962f172c55SRobert Thurlow } 23972f172c55SRobert Thurlow 23987c478bd9Sstevel@tonic-gate resp->object.nfs_fh4_val = 23997c478bd9Sstevel@tonic-gate kmem_alloc(cs->fh.nfs_fh4_len, KM_SLEEP); 24007c478bd9Sstevel@tonic-gate nfs_fh4_copy(&cs->fh, &resp->object); 24017c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 2402f3b585ceSsamf out: 2403f3b585ceSsamf DTRACE_NFSV4_2(op__getfh__done, struct compound_state *, cs, 2404f3b585ceSsamf GETFH4res *, resp); 24057c478bd9Sstevel@tonic-gate } 24067c478bd9Sstevel@tonic-gate 24077c478bd9Sstevel@tonic-gate static void 24087c478bd9Sstevel@tonic-gate rfs4_op_getfh_free(nfs_resop4 *resop) 24097c478bd9Sstevel@tonic-gate { 24107c478bd9Sstevel@tonic-gate GETFH4res *resp = &resop->nfs_resop4_u.opgetfh; 24117c478bd9Sstevel@tonic-gate 24127c478bd9Sstevel@tonic-gate if (resp->status == NFS4_OK && 24137c478bd9Sstevel@tonic-gate resp->object.nfs_fh4_val != NULL) { 24147c478bd9Sstevel@tonic-gate kmem_free(resp->object.nfs_fh4_val, resp->object.nfs_fh4_len); 24157c478bd9Sstevel@tonic-gate resp->object.nfs_fh4_val = NULL; 24167c478bd9Sstevel@tonic-gate resp->object.nfs_fh4_len = 0; 24177c478bd9Sstevel@tonic-gate } 24187c478bd9Sstevel@tonic-gate } 24197c478bd9Sstevel@tonic-gate 24207c478bd9Sstevel@tonic-gate /* 24217c478bd9Sstevel@tonic-gate * illegal: args: void 24227c478bd9Sstevel@tonic-gate * res : status (NFS4ERR_OP_ILLEGAL) 24237c478bd9Sstevel@tonic-gate */ 24247c478bd9Sstevel@tonic-gate /* ARGSUSED */ 24257c478bd9Sstevel@tonic-gate static void 24267c478bd9Sstevel@tonic-gate rfs4_op_illegal(nfs_argop4 *argop, nfs_resop4 *resop, 24277c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 24287c478bd9Sstevel@tonic-gate { 24297c478bd9Sstevel@tonic-gate ILLEGAL4res *resp = &resop->nfs_resop4_u.opillegal; 24307c478bd9Sstevel@tonic-gate 24317c478bd9Sstevel@tonic-gate resop->resop = OP_ILLEGAL; 24327c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OP_ILLEGAL; 24337c478bd9Sstevel@tonic-gate } 24347c478bd9Sstevel@tonic-gate 24357c478bd9Sstevel@tonic-gate /* 24367c478bd9Sstevel@tonic-gate * link: args: SAVED_FH: file, CURRENT_FH: target directory 24377c478bd9Sstevel@tonic-gate * res: status. If success - CURRENT_FH unchanged, return change_info 24387c478bd9Sstevel@tonic-gate */ 24397c478bd9Sstevel@tonic-gate /* ARGSUSED */ 24407c478bd9Sstevel@tonic-gate static void 24417c478bd9Sstevel@tonic-gate rfs4_op_link(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 24427c478bd9Sstevel@tonic-gate struct compound_state *cs) 24437c478bd9Sstevel@tonic-gate { 24447c478bd9Sstevel@tonic-gate LINK4args *args = &argop->nfs_argop4_u.oplink; 24457c478bd9Sstevel@tonic-gate LINK4res *resp = &resop->nfs_resop4_u.oplink; 24467c478bd9Sstevel@tonic-gate int error; 24477c478bd9Sstevel@tonic-gate vnode_t *vp; 24487c478bd9Sstevel@tonic-gate vnode_t *dvp; 24497c478bd9Sstevel@tonic-gate struct vattr bdva, idva, adva; 24507c478bd9Sstevel@tonic-gate char *nm; 24517c478bd9Sstevel@tonic-gate uint_t len; 2452b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 2453b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 245415721462SDaniil Lunev nfsstat4 status; 24557c478bd9Sstevel@tonic-gate 2456f3b585ceSsamf DTRACE_NFSV4_2(op__link__start, struct compound_state *, cs, 2457f3b585ceSsamf LINK4args *, args); 2458f3b585ceSsamf 24597c478bd9Sstevel@tonic-gate /* SAVED_FH: source object */ 24607c478bd9Sstevel@tonic-gate vp = cs->saved_vp; 24617c478bd9Sstevel@tonic-gate if (vp == NULL) { 24627c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2463f3b585ceSsamf goto out; 24647c478bd9Sstevel@tonic-gate } 24657c478bd9Sstevel@tonic-gate 24667c478bd9Sstevel@tonic-gate /* CURRENT_FH: target directory */ 24677c478bd9Sstevel@tonic-gate dvp = cs->vp; 24687c478bd9Sstevel@tonic-gate if (dvp == NULL) { 24697c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2470f3b585ceSsamf goto out; 24717c478bd9Sstevel@tonic-gate } 24727c478bd9Sstevel@tonic-gate 24737c478bd9Sstevel@tonic-gate /* 24747c478bd9Sstevel@tonic-gate * If there is a non-shared filesystem mounted on this vnode, 24757c478bd9Sstevel@tonic-gate * do not allow to link any file in this directory. 24767c478bd9Sstevel@tonic-gate */ 24777c478bd9Sstevel@tonic-gate if (vn_ismntpt(dvp)) { 24787c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 2479f3b585ceSsamf goto out; 24807c478bd9Sstevel@tonic-gate } 24817c478bd9Sstevel@tonic-gate 24827c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 24837c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 2484f3b585ceSsamf goto out; 24857c478bd9Sstevel@tonic-gate } 24867c478bd9Sstevel@tonic-gate 24877c478bd9Sstevel@tonic-gate /* Check source object's type validity */ 24887c478bd9Sstevel@tonic-gate if (vp->v_type == VDIR) { 24897c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ISDIR; 2490f3b585ceSsamf goto out; 24917c478bd9Sstevel@tonic-gate } 24927c478bd9Sstevel@tonic-gate 24937c478bd9Sstevel@tonic-gate /* Check target directory's type */ 24947c478bd9Sstevel@tonic-gate if (dvp->v_type != VDIR) { 24957c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 2496f3b585ceSsamf goto out; 24977c478bd9Sstevel@tonic-gate } 24987c478bd9Sstevel@tonic-gate 24997c478bd9Sstevel@tonic-gate if (cs->saved_exi != cs->exi) { 25007c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_XDEV; 2501f3b585ceSsamf goto out; 25027c478bd9Sstevel@tonic-gate } 25037c478bd9Sstevel@tonic-gate 250415721462SDaniil Lunev status = utf8_dir_verify(&args->newname); 250515721462SDaniil Lunev if (status != NFS4_OK) { 250615721462SDaniil Lunev *cs->statusp = resp->status = status; 2507f3b585ceSsamf goto out; 25087c478bd9Sstevel@tonic-gate } 25097c478bd9Sstevel@tonic-gate 25107c478bd9Sstevel@tonic-gate nm = utf8_to_fn(&args->newname, &len, NULL); 25117c478bd9Sstevel@tonic-gate if (nm == NULL) { 25127c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 2513f3b585ceSsamf goto out; 25147c478bd9Sstevel@tonic-gate } 25157c478bd9Sstevel@tonic-gate 25167c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 25177c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 25187c478bd9Sstevel@tonic-gate kmem_free(nm, len); 2519f3b585ceSsamf goto out; 25207c478bd9Sstevel@tonic-gate } 25217c478bd9Sstevel@tonic-gate 25225cb0d679SMarcel Telka if (rdonly4(req, cs)) { 25237c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 25247c478bd9Sstevel@tonic-gate kmem_free(nm, len); 2525f3b585ceSsamf goto out; 25267c478bd9Sstevel@tonic-gate } 25277c478bd9Sstevel@tonic-gate 25287c478bd9Sstevel@tonic-gate /* Get "before" change value */ 25297c478bd9Sstevel@tonic-gate bdva.va_mask = AT_CTIME|AT_SEQ; 2530da6c28aaSamw error = VOP_GETATTR(dvp, &bdva, 0, cs->cr, NULL); 25317c478bd9Sstevel@tonic-gate if (error) { 25327c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 25337c478bd9Sstevel@tonic-gate kmem_free(nm, len); 2534f3b585ceSsamf goto out; 25357c478bd9Sstevel@tonic-gate } 25367c478bd9Sstevel@tonic-gate 2537b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 2538b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 2539b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 2540b89a8333Snatalie li - Sun Microsystems - Irvine United States 2541b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 2542b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 2543b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, len); 2544b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 2545b89a8333Snatalie li - Sun Microsystems - Irvine United States } 2546b89a8333Snatalie li - Sun Microsystems - Irvine United States 25477c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.before, bdva.va_ctime) 25487c478bd9Sstevel@tonic-gate 2549b89a8333Snatalie li - Sun Microsystems - Irvine United States error = VOP_LINK(dvp, vp, name, cs->cr, NULL, 0); 25507c478bd9Sstevel@tonic-gate 2551b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 2552b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 25537c478bd9Sstevel@tonic-gate kmem_free(nm, len); 25547c478bd9Sstevel@tonic-gate 25557c478bd9Sstevel@tonic-gate /* 25567c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, set to zero 25577c478bd9Sstevel@tonic-gate */ 25587c478bd9Sstevel@tonic-gate idva.va_mask = AT_SEQ; 2559da6c28aaSamw if (VOP_GETATTR(dvp, &idva, 0, cs->cr, NULL)) 25607c478bd9Sstevel@tonic-gate idva.va_seq = 0; 25617c478bd9Sstevel@tonic-gate 25627c478bd9Sstevel@tonic-gate /* 25637c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 25647c478bd9Sstevel@tonic-gate */ 2565da6c28aaSamw (void) VOP_FSYNC(vp, FNODSYNC, cs->cr, NULL); 2566da6c28aaSamw (void) VOP_FSYNC(dvp, 0, cs->cr, NULL); 25677c478bd9Sstevel@tonic-gate 25687c478bd9Sstevel@tonic-gate if (error) { 25697c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 2570f3b585ceSsamf goto out; 25717c478bd9Sstevel@tonic-gate } 25727c478bd9Sstevel@tonic-gate 25737c478bd9Sstevel@tonic-gate /* 25747c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 25757c478bd9Sstevel@tonic-gate * before value. 25767c478bd9Sstevel@tonic-gate */ 25777c478bd9Sstevel@tonic-gate adva.va_mask = AT_CTIME|AT_SEQ; 2578da6c28aaSamw if (VOP_GETATTR(dvp, &adva, 0, cs->cr, NULL)) { 25797c478bd9Sstevel@tonic-gate adva.va_ctime = bdva.va_ctime; 25807c478bd9Sstevel@tonic-gate adva.va_seq = 0; 25817c478bd9Sstevel@tonic-gate } 25827c478bd9Sstevel@tonic-gate 25837c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.after, adva.va_ctime) 25847c478bd9Sstevel@tonic-gate 25857c478bd9Sstevel@tonic-gate /* 25867c478bd9Sstevel@tonic-gate * The cinfo.atomic = TRUE only if we have 25877c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 25887c478bd9Sstevel@tonic-gate * during the VOP_LINK and it didn't change during the VOP_FSYNC. 25897c478bd9Sstevel@tonic-gate */ 25907c478bd9Sstevel@tonic-gate if (bdva.va_seq && idva.va_seq && adva.va_seq && 25911b300de9Sjwahlig idva.va_seq == (bdva.va_seq + 1) && idva.va_seq == adva.va_seq) 25927c478bd9Sstevel@tonic-gate resp->cinfo.atomic = TRUE; 25937c478bd9Sstevel@tonic-gate else 25947c478bd9Sstevel@tonic-gate resp->cinfo.atomic = FALSE; 25957c478bd9Sstevel@tonic-gate 25967c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 2597f3b585ceSsamf out: 2598f3b585ceSsamf DTRACE_NFSV4_2(op__link__done, struct compound_state *, cs, 2599f3b585ceSsamf LINK4res *, resp); 26007c478bd9Sstevel@tonic-gate } 26017c478bd9Sstevel@tonic-gate 26027c478bd9Sstevel@tonic-gate /* 26037c478bd9Sstevel@tonic-gate * Used by rfs4_op_lookup and rfs4_op_lookupp to do the actual work. 26047c478bd9Sstevel@tonic-gate */ 26057c478bd9Sstevel@tonic-gate 26067c478bd9Sstevel@tonic-gate /* ARGSUSED */ 26077c478bd9Sstevel@tonic-gate static nfsstat4 2608593cc11bSJan Kryl do_rfs4_op_lookup(char *nm, struct svc_req *req, struct compound_state *cs) 26097c478bd9Sstevel@tonic-gate { 26107c478bd9Sstevel@tonic-gate int error; 26117c478bd9Sstevel@tonic-gate int different_export = 0; 2612*6e062f4aSMarcel Telka vnode_t *vp, *pre_tvp = NULL, *oldvp = NULL; 26137c478bd9Sstevel@tonic-gate struct exportinfo *exi = NULL, *pre_exi = NULL; 26147c478bd9Sstevel@tonic-gate nfsstat4 stat; 26157c478bd9Sstevel@tonic-gate fid_t fid; 26167c478bd9Sstevel@tonic-gate int attrdir, dotdot, walk; 26177c478bd9Sstevel@tonic-gate bool_t is_newvp = FALSE; 26187c478bd9Sstevel@tonic-gate 26197c478bd9Sstevel@tonic-gate if (cs->vp->v_flag & V_XATTRDIR) { 26207c478bd9Sstevel@tonic-gate attrdir = 1; 26217c478bd9Sstevel@tonic-gate ASSERT(get_fh4_flag(&cs->fh, FH4_ATTRDIR)); 26227c478bd9Sstevel@tonic-gate } else { 26237c478bd9Sstevel@tonic-gate attrdir = 0; 26247c478bd9Sstevel@tonic-gate ASSERT(! get_fh4_flag(&cs->fh, FH4_ATTRDIR)); 26257c478bd9Sstevel@tonic-gate } 26267c478bd9Sstevel@tonic-gate 26277c478bd9Sstevel@tonic-gate dotdot = (nm[0] == '.' && nm[1] == '.' && nm[2] == '\0'); 26287c478bd9Sstevel@tonic-gate 26297c478bd9Sstevel@tonic-gate /* 26307c478bd9Sstevel@tonic-gate * If dotdotting, then need to check whether it's 26317c478bd9Sstevel@tonic-gate * above the root of a filesystem, or above an 26327c478bd9Sstevel@tonic-gate * export point. 26337c478bd9Sstevel@tonic-gate */ 26347c478bd9Sstevel@tonic-gate if (dotdot) { 26357c478bd9Sstevel@tonic-gate 26367c478bd9Sstevel@tonic-gate /* 26377c478bd9Sstevel@tonic-gate * If dotdotting at the root of a filesystem, then 26387c478bd9Sstevel@tonic-gate * need to traverse back to the mounted-on filesystem 26397c478bd9Sstevel@tonic-gate * and do the dotdot lookup there. 26407c478bd9Sstevel@tonic-gate */ 26417c478bd9Sstevel@tonic-gate if (cs->vp->v_flag & VROOT) { 26427c478bd9Sstevel@tonic-gate 26437c478bd9Sstevel@tonic-gate /* 26447c478bd9Sstevel@tonic-gate * If at the system root, then can 26457c478bd9Sstevel@tonic-gate * go up no further. 26467c478bd9Sstevel@tonic-gate */ 26477c478bd9Sstevel@tonic-gate if (VN_CMP(cs->vp, rootdir)) 26487c478bd9Sstevel@tonic-gate return (puterrno4(ENOENT)); 26497c478bd9Sstevel@tonic-gate 26507c478bd9Sstevel@tonic-gate /* 26517c478bd9Sstevel@tonic-gate * Traverse back to the mounted-on filesystem 26527c478bd9Sstevel@tonic-gate */ 26537c478bd9Sstevel@tonic-gate cs->vp = untraverse(cs->vp); 26547c478bd9Sstevel@tonic-gate 26557c478bd9Sstevel@tonic-gate /* 26567c478bd9Sstevel@tonic-gate * Set the different_export flag so we remember 26577c478bd9Sstevel@tonic-gate * to pick up a new exportinfo entry for 26587c478bd9Sstevel@tonic-gate * this new filesystem. 26597c478bd9Sstevel@tonic-gate */ 26607c478bd9Sstevel@tonic-gate different_export = 1; 26617c478bd9Sstevel@tonic-gate } else { 26627c478bd9Sstevel@tonic-gate 26637c478bd9Sstevel@tonic-gate /* 26647c478bd9Sstevel@tonic-gate * If dotdotting above an export point then set 26657c478bd9Sstevel@tonic-gate * the different_export to get new export info. 26667c478bd9Sstevel@tonic-gate */ 26677c478bd9Sstevel@tonic-gate different_export = nfs_exported(cs->exi, cs->vp); 26687c478bd9Sstevel@tonic-gate } 26697c478bd9Sstevel@tonic-gate } 26707c478bd9Sstevel@tonic-gate 2671da6c28aaSamw error = VOP_LOOKUP(cs->vp, nm, &vp, NULL, 0, NULL, cs->cr, 2672da6c28aaSamw NULL, NULL, NULL); 26737c478bd9Sstevel@tonic-gate if (error) 26747c478bd9Sstevel@tonic-gate return (puterrno4(error)); 26757c478bd9Sstevel@tonic-gate 26767c478bd9Sstevel@tonic-gate /* 26777c478bd9Sstevel@tonic-gate * If the vnode is in a pseudo filesystem, check whether it is visible. 26787c478bd9Sstevel@tonic-gate * 26797c478bd9Sstevel@tonic-gate * XXX if the vnode is a symlink and it is not visible in 26807c478bd9Sstevel@tonic-gate * a pseudo filesystem, return ENOENT (not following symlink). 26817c478bd9Sstevel@tonic-gate * V4 client can not mount such symlink. This is a regression 26827c478bd9Sstevel@tonic-gate * from V2/V3. 26837c478bd9Sstevel@tonic-gate * 26847c478bd9Sstevel@tonic-gate * In the same exported filesystem, if the security flavor used 26857c478bd9Sstevel@tonic-gate * is not an explicitly shared flavor, limit the view to the visible 26867c478bd9Sstevel@tonic-gate * list entries only. This is not a WRONGSEC case because it's already 26877c478bd9Sstevel@tonic-gate * checked via PUTROOTFH/PUTPUBFH or PUTFH. 26887c478bd9Sstevel@tonic-gate */ 26897c478bd9Sstevel@tonic-gate if (!different_export && 26907c478bd9Sstevel@tonic-gate (PSEUDO(cs->exi) || ! is_exported_sec(cs->nfsflavor, cs->exi) || 26917c478bd9Sstevel@tonic-gate cs->access & CS_ACCESS_LIMITED)) { 26927c478bd9Sstevel@tonic-gate if (! nfs_visible(cs->exi, vp, &different_export)) { 26937c478bd9Sstevel@tonic-gate VN_RELE(vp); 26947c478bd9Sstevel@tonic-gate return (puterrno4(ENOENT)); 26957c478bd9Sstevel@tonic-gate } 26967c478bd9Sstevel@tonic-gate } 26977c478bd9Sstevel@tonic-gate 26987c478bd9Sstevel@tonic-gate /* 26997c478bd9Sstevel@tonic-gate * If it's a mountpoint, then traverse it. 27007c478bd9Sstevel@tonic-gate */ 27017c478bd9Sstevel@tonic-gate if (vn_ismntpt(vp)) { 27027c478bd9Sstevel@tonic-gate pre_exi = cs->exi; /* save pre-traversed exportinfo */ 27037c478bd9Sstevel@tonic-gate pre_tvp = vp; /* save pre-traversed vnode */ 27047c478bd9Sstevel@tonic-gate 27057c478bd9Sstevel@tonic-gate /* 27067c478bd9Sstevel@tonic-gate * hold pre_tvp to counteract rele by traverse. We will 27077c478bd9Sstevel@tonic-gate * need pre_tvp below if checkexport4 fails 27087c478bd9Sstevel@tonic-gate */ 27097c478bd9Sstevel@tonic-gate VN_HOLD(pre_tvp); 2710*6e062f4aSMarcel Telka if ((error = traverse(&vp)) != 0) { 27117c478bd9Sstevel@tonic-gate VN_RELE(vp); 27127c478bd9Sstevel@tonic-gate VN_RELE(pre_tvp); 27137c478bd9Sstevel@tonic-gate return (puterrno4(error)); 27147c478bd9Sstevel@tonic-gate } 27157c478bd9Sstevel@tonic-gate different_export = 1; 27167c478bd9Sstevel@tonic-gate } else if (vp->v_vfsp != cs->vp->v_vfsp) { 27177c478bd9Sstevel@tonic-gate /* 27187c478bd9Sstevel@tonic-gate * The vfsp comparison is to handle the case where 27197c478bd9Sstevel@tonic-gate * a LOFS mount is shared. lo_lookup traverses mount points, 27207c478bd9Sstevel@tonic-gate * and NFS is unaware of local fs transistions because 27217c478bd9Sstevel@tonic-gate * v_vfsmountedhere isn't set. For this special LOFS case, 27227c478bd9Sstevel@tonic-gate * the dir and the obj returned by lookup will have different 27237c478bd9Sstevel@tonic-gate * vfs ptrs. 27247c478bd9Sstevel@tonic-gate */ 27257c478bd9Sstevel@tonic-gate different_export = 1; 27267c478bd9Sstevel@tonic-gate } 27277c478bd9Sstevel@tonic-gate 27287c478bd9Sstevel@tonic-gate if (different_export) { 27297c478bd9Sstevel@tonic-gate 27307c478bd9Sstevel@tonic-gate bzero(&fid, sizeof (fid)); 27317c478bd9Sstevel@tonic-gate fid.fid_len = MAXFIDSZ; 27327c478bd9Sstevel@tonic-gate error = vop_fid_pseudo(vp, &fid); 27337c478bd9Sstevel@tonic-gate if (error) { 27347c478bd9Sstevel@tonic-gate VN_RELE(vp); 27357c478bd9Sstevel@tonic-gate if (pre_tvp) 27367c478bd9Sstevel@tonic-gate VN_RELE(pre_tvp); 27377c478bd9Sstevel@tonic-gate return (puterrno4(error)); 27387c478bd9Sstevel@tonic-gate } 27397c478bd9Sstevel@tonic-gate 27407c478bd9Sstevel@tonic-gate if (dotdot) 27417c478bd9Sstevel@tonic-gate exi = nfs_vptoexi(NULL, vp, cs->cr, &walk, NULL, TRUE); 27427c478bd9Sstevel@tonic-gate else 27437c478bd9Sstevel@tonic-gate exi = checkexport4(&vp->v_vfsp->vfs_fsid, &fid, vp); 27447c478bd9Sstevel@tonic-gate 27457c478bd9Sstevel@tonic-gate if (exi == NULL) { 27467c478bd9Sstevel@tonic-gate if (pre_tvp) { 27477c478bd9Sstevel@tonic-gate /* 27487c478bd9Sstevel@tonic-gate * If this vnode is a mounted-on vnode, 27497c478bd9Sstevel@tonic-gate * but the mounted-on file system is not 27507c478bd9Sstevel@tonic-gate * exported, send back the filehandle for 27517c478bd9Sstevel@tonic-gate * the mounted-on vnode, not the root of 27527c478bd9Sstevel@tonic-gate * the mounted-on file system. 27537c478bd9Sstevel@tonic-gate */ 27547c478bd9Sstevel@tonic-gate VN_RELE(vp); 27557c478bd9Sstevel@tonic-gate vp = pre_tvp; 27567c478bd9Sstevel@tonic-gate exi = pre_exi; 27577c478bd9Sstevel@tonic-gate } else { 27587c478bd9Sstevel@tonic-gate VN_RELE(vp); 27597c478bd9Sstevel@tonic-gate return (puterrno4(EACCES)); 27607c478bd9Sstevel@tonic-gate } 27617c478bd9Sstevel@tonic-gate } else if (pre_tvp) { 27627c478bd9Sstevel@tonic-gate /* we're done with pre_tvp now. release extra hold */ 27637c478bd9Sstevel@tonic-gate VN_RELE(pre_tvp); 27647c478bd9Sstevel@tonic-gate } 27657c478bd9Sstevel@tonic-gate 27667c478bd9Sstevel@tonic-gate cs->exi = exi; 27677c478bd9Sstevel@tonic-gate 27687c478bd9Sstevel@tonic-gate /* 27697c478bd9Sstevel@tonic-gate * Now we do a checkauth4. The reason is that 27707c478bd9Sstevel@tonic-gate * this client/user may not have access to the new 27717c478bd9Sstevel@tonic-gate * exported file system, and if he does, 27727c478bd9Sstevel@tonic-gate * the client/user may be mapped to a different uid. 27737c478bd9Sstevel@tonic-gate * 27747c478bd9Sstevel@tonic-gate * We start with a new cr, because the checkauth4 done 27757c478bd9Sstevel@tonic-gate * in the PUT*FH operation over wrote the cred's uid, 27767c478bd9Sstevel@tonic-gate * gid, etc, and we want the real thing before calling 27777c478bd9Sstevel@tonic-gate * checkauth4() 27787c478bd9Sstevel@tonic-gate */ 27797c478bd9Sstevel@tonic-gate crfree(cs->cr); 27807c478bd9Sstevel@tonic-gate cs->cr = crdup(cs->basecr); 27817c478bd9Sstevel@tonic-gate 27827c478bd9Sstevel@tonic-gate oldvp = cs->vp; 27837c478bd9Sstevel@tonic-gate cs->vp = vp; 27847c478bd9Sstevel@tonic-gate is_newvp = TRUE; 27857c478bd9Sstevel@tonic-gate 27867c478bd9Sstevel@tonic-gate stat = call_checkauth4(cs, req); 27877c478bd9Sstevel@tonic-gate if (stat != NFS4_OK) { 27887c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 27897c478bd9Sstevel@tonic-gate cs->vp = oldvp; 27907c478bd9Sstevel@tonic-gate return (stat); 27917c478bd9Sstevel@tonic-gate } 27927c478bd9Sstevel@tonic-gate } 27937c478bd9Sstevel@tonic-gate 279445916cd2Sjpk /* 279545916cd2Sjpk * After various NFS checks, do a label check on the path 279645916cd2Sjpk * component. The label on this path should either be the 279745916cd2Sjpk * global zone's label or a zone's label. We are only 279845916cd2Sjpk * interested in the zone's label because exported files 279945916cd2Sjpk * in global zone is accessible (though read-only) to 280045916cd2Sjpk * clients. The exportability/visibility check is already 280145916cd2Sjpk * done before reaching this code. 280245916cd2Sjpk */ 280345916cd2Sjpk if (is_system_labeled()) { 280445916cd2Sjpk bslabel_t *clabel; 280545916cd2Sjpk 280645916cd2Sjpk ASSERT(req->rq_label != NULL); 280745916cd2Sjpk clabel = req->rq_label; 280845916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__oplookup__clabel, char *, 280945916cd2Sjpk "got client label from request(1)", struct svc_req *, req); 281045916cd2Sjpk 281145916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 2812bd6f1640SJarrett Lu if (!do_rfs_label_check(clabel, vp, DOMINANCE_CHECK, 2813bd6f1640SJarrett Lu cs->exi)) { 281445916cd2Sjpk error = EACCES; 281545916cd2Sjpk goto err_out; 281645916cd2Sjpk } 281745916cd2Sjpk } else { 281845916cd2Sjpk /* 281945916cd2Sjpk * We grant access to admin_low label clients 282045916cd2Sjpk * only if the client is trusted, i.e. also 282145916cd2Sjpk * running Solaris Trusted Extension. 282245916cd2Sjpk */ 282345916cd2Sjpk struct sockaddr *ca; 282445916cd2Sjpk int addr_type; 282545916cd2Sjpk void *ipaddr; 282645916cd2Sjpk tsol_tpc_t *tp; 282745916cd2Sjpk 282845916cd2Sjpk ca = (struct sockaddr *)svc_getrpccaller( 282945916cd2Sjpk req->rq_xprt)->buf; 283045916cd2Sjpk if (ca->sa_family == AF_INET) { 283145916cd2Sjpk addr_type = IPV4_VERSION; 283245916cd2Sjpk ipaddr = &((struct sockaddr_in *)ca)->sin_addr; 283345916cd2Sjpk } else if (ca->sa_family == AF_INET6) { 283445916cd2Sjpk addr_type = IPV6_VERSION; 283545916cd2Sjpk ipaddr = &((struct sockaddr_in6 *) 283645916cd2Sjpk ca)->sin6_addr; 283745916cd2Sjpk } 283845916cd2Sjpk tp = find_tpc(ipaddr, addr_type, B_FALSE); 283945916cd2Sjpk if (tp == NULL || tp->tpc_tp.tp_doi != 284045916cd2Sjpk l_admin_low->tsl_doi || tp->tpc_tp.host_type != 284145916cd2Sjpk SUN_CIPSO) { 284203986916Sjarrett if (tp != NULL) 284303986916Sjarrett TPC_RELE(tp); 284445916cd2Sjpk error = EACCES; 284545916cd2Sjpk goto err_out; 284645916cd2Sjpk } 284703986916Sjarrett TPC_RELE(tp); 284845916cd2Sjpk } 284945916cd2Sjpk } 285045916cd2Sjpk 28517c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, vp, cs->exi); 28527c478bd9Sstevel@tonic-gate 285345916cd2Sjpk err_out: 28547c478bd9Sstevel@tonic-gate if (error) { 28557c478bd9Sstevel@tonic-gate if (is_newvp) { 28567c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 28577c478bd9Sstevel@tonic-gate cs->vp = oldvp; 28587c478bd9Sstevel@tonic-gate } else 28597c478bd9Sstevel@tonic-gate VN_RELE(vp); 28607c478bd9Sstevel@tonic-gate return (puterrno4(error)); 28617c478bd9Sstevel@tonic-gate } 28627c478bd9Sstevel@tonic-gate 28637c478bd9Sstevel@tonic-gate if (!is_newvp) { 28647c478bd9Sstevel@tonic-gate if (cs->vp) 28657c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 28667c478bd9Sstevel@tonic-gate cs->vp = vp; 28677c478bd9Sstevel@tonic-gate } else if (oldvp) 28687c478bd9Sstevel@tonic-gate VN_RELE(oldvp); 28697c478bd9Sstevel@tonic-gate 28707c478bd9Sstevel@tonic-gate /* 28717c478bd9Sstevel@tonic-gate * if did lookup on attrdir and didn't lookup .., set named 28727c478bd9Sstevel@tonic-gate * attr fh flag 28737c478bd9Sstevel@tonic-gate */ 28747c478bd9Sstevel@tonic-gate if (attrdir && ! dotdot) 28757c478bd9Sstevel@tonic-gate set_fh4_flag(&cs->fh, FH4_NAMEDATTR); 28767c478bd9Sstevel@tonic-gate 28777c478bd9Sstevel@tonic-gate /* Assume false for now, open proc will set this */ 28787c478bd9Sstevel@tonic-gate cs->mandlock = FALSE; 28797c478bd9Sstevel@tonic-gate 28807c478bd9Sstevel@tonic-gate return (NFS4_OK); 28817c478bd9Sstevel@tonic-gate } 28827c478bd9Sstevel@tonic-gate 28837c478bd9Sstevel@tonic-gate /* ARGSUSED */ 28847c478bd9Sstevel@tonic-gate static void 28857c478bd9Sstevel@tonic-gate rfs4_op_lookup(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 28867c478bd9Sstevel@tonic-gate struct compound_state *cs) 28877c478bd9Sstevel@tonic-gate { 28887c478bd9Sstevel@tonic-gate LOOKUP4args *args = &argop->nfs_argop4_u.oplookup; 28897c478bd9Sstevel@tonic-gate LOOKUP4res *resp = &resop->nfs_resop4_u.oplookup; 28907c478bd9Sstevel@tonic-gate char *nm; 28917c478bd9Sstevel@tonic-gate uint_t len; 2892b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 2893b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 289415721462SDaniil Lunev nfsstat4 status; 28957c478bd9Sstevel@tonic-gate 2896f3b585ceSsamf DTRACE_NFSV4_2(op__lookup__start, struct compound_state *, cs, 2897f3b585ceSsamf LOOKUP4args *, args); 2898f3b585ceSsamf 28997c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 29007c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2901f3b585ceSsamf goto out; 29027c478bd9Sstevel@tonic-gate } 29037c478bd9Sstevel@tonic-gate 29047c478bd9Sstevel@tonic-gate if (cs->vp->v_type == VLNK) { 29057c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SYMLINK; 2906f3b585ceSsamf goto out; 29077c478bd9Sstevel@tonic-gate } 29087c478bd9Sstevel@tonic-gate 29097c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VDIR) { 29107c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 2911f3b585ceSsamf goto out; 29127c478bd9Sstevel@tonic-gate } 29137c478bd9Sstevel@tonic-gate 291415721462SDaniil Lunev status = utf8_dir_verify(&args->objname); 291515721462SDaniil Lunev if (status != NFS4_OK) { 291615721462SDaniil Lunev *cs->statusp = resp->status = status; 2917f3b585ceSsamf goto out; 29187c478bd9Sstevel@tonic-gate } 29197c478bd9Sstevel@tonic-gate 29207c478bd9Sstevel@tonic-gate nm = utf8_to_str(&args->objname, &len, NULL); 29217c478bd9Sstevel@tonic-gate if (nm == NULL) { 29227c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 2923f3b585ceSsamf goto out; 29247c478bd9Sstevel@tonic-gate } 29257c478bd9Sstevel@tonic-gate 29267c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 29277c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 29287c478bd9Sstevel@tonic-gate kmem_free(nm, len); 2929f3b585ceSsamf goto out; 29307c478bd9Sstevel@tonic-gate } 29317c478bd9Sstevel@tonic-gate 2932b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 2933b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 2934b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 2935b89a8333Snatalie li - Sun Microsystems - Irvine United States 2936b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 2937b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 2938b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, len); 2939b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 2940b89a8333Snatalie li - Sun Microsystems - Irvine United States } 2941b89a8333Snatalie li - Sun Microsystems - Irvine United States 2942593cc11bSJan Kryl *cs->statusp = resp->status = do_rfs4_op_lookup(name, req, cs); 2943b89a8333Snatalie li - Sun Microsystems - Irvine United States 2944b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 2945b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 29467c478bd9Sstevel@tonic-gate kmem_free(nm, len); 2947f3b585ceSsamf 2948f3b585ceSsamf out: 2949f3b585ceSsamf DTRACE_NFSV4_2(op__lookup__done, struct compound_state *, cs, 2950f3b585ceSsamf LOOKUP4res *, resp); 29517c478bd9Sstevel@tonic-gate } 29527c478bd9Sstevel@tonic-gate 29537c478bd9Sstevel@tonic-gate /* ARGSUSED */ 29547c478bd9Sstevel@tonic-gate static void 29557c478bd9Sstevel@tonic-gate rfs4_op_lookupp(nfs_argop4 *args, nfs_resop4 *resop, struct svc_req *req, 29567c478bd9Sstevel@tonic-gate struct compound_state *cs) 29577c478bd9Sstevel@tonic-gate { 29587c478bd9Sstevel@tonic-gate LOOKUPP4res *resp = &resop->nfs_resop4_u.oplookupp; 29597c478bd9Sstevel@tonic-gate 2960f3b585ceSsamf DTRACE_NFSV4_1(op__lookupp__start, struct compound_state *, cs); 2961f3b585ceSsamf 29627c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 29637c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 2964f3b585ceSsamf goto out; 29657c478bd9Sstevel@tonic-gate } 29667c478bd9Sstevel@tonic-gate 29677c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VDIR) { 29687c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 2969f3b585ceSsamf goto out; 29707c478bd9Sstevel@tonic-gate } 29717c478bd9Sstevel@tonic-gate 2972593cc11bSJan Kryl *cs->statusp = resp->status = do_rfs4_op_lookup("..", req, cs); 29737c478bd9Sstevel@tonic-gate 29747c478bd9Sstevel@tonic-gate /* 29757c478bd9Sstevel@tonic-gate * From NFSV4 Specification, LOOKUPP should not check for 29767c478bd9Sstevel@tonic-gate * NFS4ERR_WRONGSEC. Retrun NFS4_OK instead. 29777c478bd9Sstevel@tonic-gate */ 29787c478bd9Sstevel@tonic-gate if (resp->status == NFS4ERR_WRONGSEC) { 29797c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 29807c478bd9Sstevel@tonic-gate } 2981f3b585ceSsamf 2982f3b585ceSsamf out: 2983f3b585ceSsamf DTRACE_NFSV4_2(op__lookupp__done, struct compound_state *, cs, 2984f3b585ceSsamf LOOKUPP4res *, resp); 29857c478bd9Sstevel@tonic-gate } 29867c478bd9Sstevel@tonic-gate 29877c478bd9Sstevel@tonic-gate 29887c478bd9Sstevel@tonic-gate /*ARGSUSED2*/ 29897c478bd9Sstevel@tonic-gate static void 29907c478bd9Sstevel@tonic-gate rfs4_op_openattr(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 29917c478bd9Sstevel@tonic-gate struct compound_state *cs) 29927c478bd9Sstevel@tonic-gate { 29937c478bd9Sstevel@tonic-gate OPENATTR4args *args = &argop->nfs_argop4_u.opopenattr; 29947c478bd9Sstevel@tonic-gate OPENATTR4res *resp = &resop->nfs_resop4_u.opopenattr; 29957c478bd9Sstevel@tonic-gate vnode_t *avp = NULL; 29967c478bd9Sstevel@tonic-gate int lookup_flags = LOOKUP_XATTR, error; 29977c478bd9Sstevel@tonic-gate int exp_ro = 0; 29987c478bd9Sstevel@tonic-gate 2999f3b585ceSsamf DTRACE_NFSV4_2(op__openattr__start, struct compound_state *, cs, 3000f3b585ceSsamf OPENATTR4args *, args); 3001f3b585ceSsamf 30027c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 30037c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 3004f3b585ceSsamf goto out; 30057c478bd9Sstevel@tonic-gate } 30067c478bd9Sstevel@tonic-gate 3007da6c28aaSamw if ((cs->vp->v_vfsp->vfs_flag & VFS_XATTR) == 0 && 30089660e5cbSJanice Chang !vfs_has_feature(cs->vp->v_vfsp, VFSFT_SYSATTR_VIEWS)) { 3009f3b585ceSsamf *cs->statusp = resp->status = puterrno4(ENOTSUP); 3010f3b585ceSsamf goto out; 30117c478bd9Sstevel@tonic-gate } 30127c478bd9Sstevel@tonic-gate 301393aeed83Smarks /* 301493aeed83Smarks * If file system supports passing ACE mask to VOP_ACCESS then 301593aeed83Smarks * check for ACE_READ_NAMED_ATTRS, otherwise do legacy checks 301693aeed83Smarks */ 301793aeed83Smarks 301893aeed83Smarks if (vfs_has_feature(cs->vp->v_vfsp, VFSFT_ACEMASKONACCESS)) 301993aeed83Smarks error = VOP_ACCESS(cs->vp, ACE_READ_NAMED_ATTRS, 302093aeed83Smarks V_ACE_MASK, cs->cr, NULL); 302193aeed83Smarks else 302293aeed83Smarks error = ((VOP_ACCESS(cs->vp, VREAD, 0, cs->cr, NULL) != 0) && 3023da6c28aaSamw (VOP_ACCESS(cs->vp, VWRITE, 0, cs->cr, NULL) != 0) && 302493aeed83Smarks (VOP_ACCESS(cs->vp, VEXEC, 0, cs->cr, NULL) != 0)); 302593aeed83Smarks 302693aeed83Smarks if (error) { 3027f3b585ceSsamf *cs->statusp = resp->status = puterrno4(EACCES); 3028f3b585ceSsamf goto out; 30297c478bd9Sstevel@tonic-gate } 30307c478bd9Sstevel@tonic-gate 30317c478bd9Sstevel@tonic-gate /* 30327c478bd9Sstevel@tonic-gate * The CREATE_XATTR_DIR VOP flag cannot be specified if 30337c478bd9Sstevel@tonic-gate * the file system is exported read-only -- regardless of 30347c478bd9Sstevel@tonic-gate * createdir flag. Otherwise the attrdir would be created 30357c478bd9Sstevel@tonic-gate * (assuming server fs isn't mounted readonly locally). If 30367c478bd9Sstevel@tonic-gate * VOP_LOOKUP returns ENOENT in this case, the error will 30377c478bd9Sstevel@tonic-gate * be translated into EROFS. ENOSYS is mapped to ENOTSUP 30387c478bd9Sstevel@tonic-gate * because specfs has no VOP_LOOKUP op, so the macro would 30397c478bd9Sstevel@tonic-gate * return ENOSYS. EINVAL is returned by all (current) 30407c478bd9Sstevel@tonic-gate * Solaris file system implementations when any of their 30417c478bd9Sstevel@tonic-gate * restrictions are violated (xattr(dir) can't have xattrdir). 30427c478bd9Sstevel@tonic-gate * Returning NOTSUPP is more appropriate in this case 30437c478bd9Sstevel@tonic-gate * because the object will never be able to have an attrdir. 30447c478bd9Sstevel@tonic-gate */ 30455cb0d679SMarcel Telka if (args->createdir && ! (exp_ro = rdonly4(req, cs))) 30467c478bd9Sstevel@tonic-gate lookup_flags |= CREATE_XATTR_DIR; 30477c478bd9Sstevel@tonic-gate 3048da6c28aaSamw error = VOP_LOOKUP(cs->vp, "", &avp, NULL, lookup_flags, NULL, cs->cr, 3049da6c28aaSamw NULL, NULL, NULL); 30507c478bd9Sstevel@tonic-gate 30517c478bd9Sstevel@tonic-gate if (error) { 30527c478bd9Sstevel@tonic-gate if (error == ENOENT && args->createdir && exp_ro) 3053f3b585ceSsamf *cs->statusp = resp->status = puterrno4(EROFS); 30547c478bd9Sstevel@tonic-gate else if (error == EINVAL || error == ENOSYS) 3055f3b585ceSsamf *cs->statusp = resp->status = puterrno4(ENOTSUP); 3056f3b585ceSsamf else 3057f3b585ceSsamf *cs->statusp = resp->status = puterrno4(error); 3058f3b585ceSsamf goto out; 30597c478bd9Sstevel@tonic-gate } 30607c478bd9Sstevel@tonic-gate 30617c478bd9Sstevel@tonic-gate ASSERT(avp->v_flag & V_XATTRDIR); 30627c478bd9Sstevel@tonic-gate 30637c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, avp, cs->exi); 30647c478bd9Sstevel@tonic-gate 30657c478bd9Sstevel@tonic-gate if (error) { 30667c478bd9Sstevel@tonic-gate VN_RELE(avp); 3067f3b585ceSsamf *cs->statusp = resp->status = puterrno4(error); 3068f3b585ceSsamf goto out; 30697c478bd9Sstevel@tonic-gate } 30707c478bd9Sstevel@tonic-gate 30717c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 30727c478bd9Sstevel@tonic-gate cs->vp = avp; 30737c478bd9Sstevel@tonic-gate 30747c478bd9Sstevel@tonic-gate /* 30757c478bd9Sstevel@tonic-gate * There is no requirement for an attrdir fh flag 30767c478bd9Sstevel@tonic-gate * because the attrdir has a vnode flag to distinguish 30777c478bd9Sstevel@tonic-gate * it from regular (non-xattr) directories. The 30787c478bd9Sstevel@tonic-gate * FH4_ATTRDIR flag is set for future sanity checks. 30797c478bd9Sstevel@tonic-gate */ 30807c478bd9Sstevel@tonic-gate set_fh4_flag(&cs->fh, FH4_ATTRDIR); 30817c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 30827c478bd9Sstevel@tonic-gate 3083f3b585ceSsamf out: 3084f3b585ceSsamf DTRACE_NFSV4_2(op__openattr__done, struct compound_state *, cs, 3085f3b585ceSsamf OPENATTR4res *, resp); 30867c478bd9Sstevel@tonic-gate } 30877c478bd9Sstevel@tonic-gate 30887c478bd9Sstevel@tonic-gate static int 3089da6c28aaSamw do_io(int direction, vnode_t *vp, struct uio *uio, int ioflag, cred_t *cred, 3090da6c28aaSamw caller_context_t *ct) 30917c478bd9Sstevel@tonic-gate { 30927c478bd9Sstevel@tonic-gate int error; 30937c478bd9Sstevel@tonic-gate int i; 30947c478bd9Sstevel@tonic-gate clock_t delaytime; 30957c478bd9Sstevel@tonic-gate 30967c478bd9Sstevel@tonic-gate delaytime = MSEC_TO_TICK_ROUNDUP(rfs4_lock_delay); 30977c478bd9Sstevel@tonic-gate 30987c478bd9Sstevel@tonic-gate /* 30997c478bd9Sstevel@tonic-gate * Don't block on mandatory locks. If this routine returns 31007c478bd9Sstevel@tonic-gate * EAGAIN, the caller should return NFS4ERR_LOCKED. 31017c478bd9Sstevel@tonic-gate */ 31027c478bd9Sstevel@tonic-gate uio->uio_fmode = FNONBLOCK; 31037c478bd9Sstevel@tonic-gate 31047c478bd9Sstevel@tonic-gate for (i = 0; i < rfs4_maxlock_tries; i++) { 31057c478bd9Sstevel@tonic-gate 31067c478bd9Sstevel@tonic-gate 31077c478bd9Sstevel@tonic-gate if (direction == FREAD) { 3108da6c28aaSamw (void) VOP_RWLOCK(vp, V_WRITELOCK_FALSE, ct); 3109da6c28aaSamw error = VOP_READ(vp, uio, ioflag, cred, ct); 3110da6c28aaSamw VOP_RWUNLOCK(vp, V_WRITELOCK_FALSE, ct); 31117c478bd9Sstevel@tonic-gate } else { 3112da6c28aaSamw (void) VOP_RWLOCK(vp, V_WRITELOCK_TRUE, ct); 3113da6c28aaSamw error = VOP_WRITE(vp, uio, ioflag, cred, ct); 3114da6c28aaSamw VOP_RWUNLOCK(vp, V_WRITELOCK_TRUE, ct); 31157c478bd9Sstevel@tonic-gate } 31167c478bd9Sstevel@tonic-gate 31177c478bd9Sstevel@tonic-gate if (error != EAGAIN) 31187c478bd9Sstevel@tonic-gate break; 31197c478bd9Sstevel@tonic-gate 31207c478bd9Sstevel@tonic-gate if (i < rfs4_maxlock_tries - 1) { 31217c478bd9Sstevel@tonic-gate delay(delaytime); 31227c478bd9Sstevel@tonic-gate delaytime *= 2; 31237c478bd9Sstevel@tonic-gate } 31247c478bd9Sstevel@tonic-gate } 31257c478bd9Sstevel@tonic-gate 31267c478bd9Sstevel@tonic-gate return (error); 31277c478bd9Sstevel@tonic-gate } 31287c478bd9Sstevel@tonic-gate 31297c478bd9Sstevel@tonic-gate /* ARGSUSED */ 31307c478bd9Sstevel@tonic-gate static void 31317c478bd9Sstevel@tonic-gate rfs4_op_read(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 31327c478bd9Sstevel@tonic-gate struct compound_state *cs) 31337c478bd9Sstevel@tonic-gate { 31347c478bd9Sstevel@tonic-gate READ4args *args = &argop->nfs_argop4_u.opread; 31357c478bd9Sstevel@tonic-gate READ4res *resp = &resop->nfs_resop4_u.opread; 31367c478bd9Sstevel@tonic-gate int error; 31377c478bd9Sstevel@tonic-gate int verror; 31387c478bd9Sstevel@tonic-gate vnode_t *vp; 31397c478bd9Sstevel@tonic-gate struct vattr va; 3140e36d7b11SSebastien Roy struct iovec iov, *iovp = NULL; 3141e36d7b11SSebastien Roy int iovcnt; 31427c478bd9Sstevel@tonic-gate struct uio uio; 31437c478bd9Sstevel@tonic-gate u_offset_t offset; 31447c478bd9Sstevel@tonic-gate bool_t *deleg = &cs->deleg; 31457c478bd9Sstevel@tonic-gate nfsstat4 stat; 31467c478bd9Sstevel@tonic-gate int in_crit = 0; 3147c242f9a0Schunli zhang - Sun Microsystems - Irvine United States mblk_t *mp = NULL; 31487c478bd9Sstevel@tonic-gate int alloc_err = 0; 3149c242f9a0Schunli zhang - Sun Microsystems - Irvine United States int rdma_used = 0; 3150c242f9a0Schunli zhang - Sun Microsystems - Irvine United States int loaned_buffers; 3151da6c28aaSamw caller_context_t ct; 3152c242f9a0Schunli zhang - Sun Microsystems - Irvine United States struct uio *uiop; 31537c478bd9Sstevel@tonic-gate 3154f3b585ceSsamf DTRACE_NFSV4_2(op__read__start, struct compound_state *, cs, 3155f3b585ceSsamf READ4args, args); 3156f3b585ceSsamf 31577c478bd9Sstevel@tonic-gate vp = cs->vp; 31587c478bd9Sstevel@tonic-gate if (vp == NULL) { 31597c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 3160f3b585ceSsamf goto out; 31617c478bd9Sstevel@tonic-gate } 31627c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 31637c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 3164f3b585ceSsamf goto out; 31657c478bd9Sstevel@tonic-gate } 31667c478bd9Sstevel@tonic-gate 3167da6c28aaSamw if ((stat = rfs4_check_stateid(FREAD, vp, &args->stateid, FALSE, 3168da6c28aaSamw deleg, TRUE, &ct)) != NFS4_OK) { 3169da6c28aaSamw *cs->statusp = resp->status = stat; 3170da6c28aaSamw goto out; 3171da6c28aaSamw } 3172da6c28aaSamw 31737c478bd9Sstevel@tonic-gate /* 31747c478bd9Sstevel@tonic-gate * Enter the critical region before calling VOP_RWLOCK 31757c478bd9Sstevel@tonic-gate * to avoid a deadlock with write requests. 31767c478bd9Sstevel@tonic-gate */ 31777c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 31787c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 31797c478bd9Sstevel@tonic-gate in_crit = 1; 3180da6c28aaSamw if (nbl_conflict(vp, NBL_READ, args->offset, args->count, 0, 3181da6c28aaSamw &ct)) { 31827c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_LOCKED; 31837c478bd9Sstevel@tonic-gate goto out; 31847c478bd9Sstevel@tonic-gate } 31857c478bd9Sstevel@tonic-gate } 31867c478bd9Sstevel@tonic-gate 31877c478bd9Sstevel@tonic-gate if ((stat = rfs4_check_stateid(FREAD, vp, &args->stateid, FALSE, 3188da6c28aaSamw deleg, TRUE, &ct)) != NFS4_OK) { 31897c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = stat; 31907c478bd9Sstevel@tonic-gate goto out; 31917c478bd9Sstevel@tonic-gate } 31927c478bd9Sstevel@tonic-gate 319335bbd688SKaren Rochford if (args->wlist) { 319435bbd688SKaren Rochford if (args->count > clist_len(args->wlist)) { 319535bbd688SKaren Rochford *cs->statusp = resp->status = NFS4ERR_INVAL; 319635bbd688SKaren Rochford goto out; 319735bbd688SKaren Rochford } 3198c242f9a0Schunli zhang - Sun Microsystems - Irvine United States rdma_used = 1; 319935bbd688SKaren Rochford } 3200c242f9a0Schunli zhang - Sun Microsystems - Irvine United States 3201c242f9a0Schunli zhang - Sun Microsystems - Irvine United States /* use loaned buffers for TCP */ 3202c242f9a0Schunli zhang - Sun Microsystems - Irvine United States loaned_buffers = (nfs_loaned_buffers && !rdma_used) ? 1 : 0; 3203c242f9a0Schunli zhang - Sun Microsystems - Irvine United States 32047c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE|AT_SIZE|AT_UID; 3205da6c28aaSamw verror = VOP_GETATTR(vp, &va, 0, cs->cr, &ct); 32067c478bd9Sstevel@tonic-gate 32077c478bd9Sstevel@tonic-gate /* 32087c478bd9Sstevel@tonic-gate * If we can't get the attributes, then we can't do the 32097c478bd9Sstevel@tonic-gate * right access checking. So, we'll fail the request. 32107c478bd9Sstevel@tonic-gate */ 32117c478bd9Sstevel@tonic-gate if (verror) { 32127c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(verror); 32137c478bd9Sstevel@tonic-gate goto out; 32147c478bd9Sstevel@tonic-gate } 32157c478bd9Sstevel@tonic-gate 32167c478bd9Sstevel@tonic-gate if (vp->v_type != VREG) { 32177c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 32187c478bd9Sstevel@tonic-gate ((vp->v_type == VDIR) ? NFS4ERR_ISDIR : NFS4ERR_INVAL); 32197c478bd9Sstevel@tonic-gate goto out; 32207c478bd9Sstevel@tonic-gate } 32217c478bd9Sstevel@tonic-gate 32227c478bd9Sstevel@tonic-gate if (crgetuid(cs->cr) != va.va_uid && 3223da6c28aaSamw (error = VOP_ACCESS(vp, VREAD, 0, cs->cr, &ct)) && 3224da6c28aaSamw (error = VOP_ACCESS(vp, VEXEC, 0, cs->cr, &ct))) { 32257c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 32267c478bd9Sstevel@tonic-gate goto out; 32277c478bd9Sstevel@tonic-gate } 32287c478bd9Sstevel@tonic-gate 32297c478bd9Sstevel@tonic-gate if (MANDLOCK(vp, va.va_mode)) { /* XXX - V4 supports mand locking */ 32307c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 32317c478bd9Sstevel@tonic-gate goto out; 32327c478bd9Sstevel@tonic-gate } 32337c478bd9Sstevel@tonic-gate 32347c478bd9Sstevel@tonic-gate offset = args->offset; 32357c478bd9Sstevel@tonic-gate if (offset >= va.va_size) { 32367c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 32377c478bd9Sstevel@tonic-gate resp->eof = TRUE; 32387c478bd9Sstevel@tonic-gate resp->data_len = 0; 32397c478bd9Sstevel@tonic-gate resp->data_val = NULL; 32407c478bd9Sstevel@tonic-gate resp->mblk = NULL; 32410a701b1eSRobert Gordon /* RDMA */ 32420a701b1eSRobert Gordon resp->wlist = args->wlist; 32430a701b1eSRobert Gordon resp->wlist_len = resp->data_len; 32447c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 3245f837ee4aSSiddheshwar Mahesh if (resp->wlist) 3246f837ee4aSSiddheshwar Mahesh clist_zero_len(resp->wlist); 32477c478bd9Sstevel@tonic-gate goto out; 32487c478bd9Sstevel@tonic-gate } 32497c478bd9Sstevel@tonic-gate 32507c478bd9Sstevel@tonic-gate if (args->count == 0) { 32517c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 32527c478bd9Sstevel@tonic-gate resp->eof = FALSE; 32537c478bd9Sstevel@tonic-gate resp->data_len = 0; 32547c478bd9Sstevel@tonic-gate resp->data_val = NULL; 32557c478bd9Sstevel@tonic-gate resp->mblk = NULL; 32560a701b1eSRobert Gordon /* RDMA */ 32570a701b1eSRobert Gordon resp->wlist = args->wlist; 32580a701b1eSRobert Gordon resp->wlist_len = resp->data_len; 3259f837ee4aSSiddheshwar Mahesh if (resp->wlist) 3260f837ee4aSSiddheshwar Mahesh clist_zero_len(resp->wlist); 32617c478bd9Sstevel@tonic-gate goto out; 32627c478bd9Sstevel@tonic-gate } 32637c478bd9Sstevel@tonic-gate 32647c478bd9Sstevel@tonic-gate /* 32657c478bd9Sstevel@tonic-gate * Do not allocate memory more than maximum allowed 32667c478bd9Sstevel@tonic-gate * transfer size 32677c478bd9Sstevel@tonic-gate */ 32687c478bd9Sstevel@tonic-gate if (args->count > rfs4_tsize(req)) 32697c478bd9Sstevel@tonic-gate args->count = rfs4_tsize(req); 32707c478bd9Sstevel@tonic-gate 3271c242f9a0Schunli zhang - Sun Microsystems - Irvine United States if (loaned_buffers) { 3272c242f9a0Schunli zhang - Sun Microsystems - Irvine United States uiop = (uio_t *)rfs_setup_xuio(vp); 3273c242f9a0Schunli zhang - Sun Microsystems - Irvine United States ASSERT(uiop != NULL); 3274c242f9a0Schunli zhang - Sun Microsystems - Irvine United States uiop->uio_segflg = UIO_SYSSPACE; 3275c242f9a0Schunli zhang - Sun Microsystems - Irvine United States uiop->uio_loffset = args->offset; 3276c242f9a0Schunli zhang - Sun Microsystems - Irvine United States uiop->uio_resid = args->count; 3277c242f9a0Schunli zhang - Sun Microsystems - Irvine United States 3278c242f9a0Schunli zhang - Sun Microsystems - Irvine United States /* Jump to do the read if successful */ 3279c242f9a0Schunli zhang - Sun Microsystems - Irvine United States if (!VOP_REQZCBUF(vp, UIO_READ, (xuio_t *)uiop, cs->cr, &ct)) { 3280c242f9a0Schunli zhang - Sun Microsystems - Irvine United States /* 3281c242f9a0Schunli zhang - Sun Microsystems - Irvine United States * Need to hold the vnode until after VOP_RETZCBUF() 3282c242f9a0Schunli zhang - Sun Microsystems - Irvine United States * is called. 3283c242f9a0Schunli zhang - Sun Microsystems - Irvine United States */ 3284c242f9a0Schunli zhang - Sun Microsystems - Irvine United States VN_HOLD(vp); 3285c242f9a0Schunli zhang - Sun Microsystems - Irvine United States goto doio_read; 3286c242f9a0Schunli zhang - Sun Microsystems - Irvine United States } 3287c242f9a0Schunli zhang - Sun Microsystems - Irvine United States 3288c242f9a0Schunli zhang - Sun Microsystems - Irvine United States DTRACE_PROBE2(nfss__i__reqzcbuf_failed, int, 3289c242f9a0Schunli zhang - Sun Microsystems - Irvine United States uiop->uio_loffset, int, uiop->uio_resid); 3290c242f9a0Schunli zhang - Sun Microsystems - Irvine United States 3291c242f9a0Schunli zhang - Sun Microsystems - Irvine United States uiop->uio_extflg = 0; 3292c242f9a0Schunli zhang - Sun Microsystems - Irvine United States 3293c242f9a0Schunli zhang - Sun Microsystems - Irvine United States /* failure to setup for zero copy */ 3294c242f9a0Schunli zhang - Sun Microsystems - Irvine United States rfs_free_xuio((void *)uiop); 3295c242f9a0Schunli zhang - Sun Microsystems - Irvine United States loaned_buffers = 0; 3296c242f9a0Schunli zhang - Sun Microsystems - Irvine United States } 3297c242f9a0Schunli zhang - Sun Microsystems - Irvine United States 32987c478bd9Sstevel@tonic-gate /* 32990a701b1eSRobert Gordon * If returning data via RDMA Write, then grab the chunk list. If we 33000a701b1eSRobert Gordon * aren't returning READ data w/RDMA_WRITE, then grab a mblk. 33010a701b1eSRobert Gordon */ 3302c242f9a0Schunli zhang - Sun Microsystems - Irvine United States if (rdma_used) { 33030a701b1eSRobert Gordon mp = NULL; 33040a701b1eSRobert Gordon (void) rdma_get_wchunk(req, &iov, args->wlist); 3305e36d7b11SSebastien Roy uio.uio_iov = &iov; 3306e36d7b11SSebastien Roy uio.uio_iovcnt = 1; 33070a701b1eSRobert Gordon } else { 33080a701b1eSRobert Gordon /* 33097c478bd9Sstevel@tonic-gate * mp will contain the data to be sent out in the read reply. 3310e36d7b11SSebastien Roy * It will be freed after the reply has been sent. 33117c478bd9Sstevel@tonic-gate */ 3312e36d7b11SSebastien Roy mp = rfs_read_alloc(args->count, &iovp, &iovcnt); 33137c478bd9Sstevel@tonic-gate ASSERT(mp != NULL); 33147c478bd9Sstevel@tonic-gate ASSERT(alloc_err == 0); 3315e36d7b11SSebastien Roy uio.uio_iov = iovp; 3316e36d7b11SSebastien Roy uio.uio_iovcnt = iovcnt; 33170a701b1eSRobert Gordon } 33180a701b1eSRobert Gordon 33197c478bd9Sstevel@tonic-gate uio.uio_segflg = UIO_SYSSPACE; 33207c478bd9Sstevel@tonic-gate uio.uio_extflg = UIO_COPY_CACHED; 33217c478bd9Sstevel@tonic-gate uio.uio_loffset = args->offset; 33227c478bd9Sstevel@tonic-gate uio.uio_resid = args->count; 3323c242f9a0Schunli zhang - Sun Microsystems - Irvine United States uiop = &uio; 33247c478bd9Sstevel@tonic-gate 3325c242f9a0Schunli zhang - Sun Microsystems - Irvine United States doio_read: 3326c242f9a0Schunli zhang - Sun Microsystems - Irvine United States error = do_io(FREAD, vp, uiop, 0, cs->cr, &ct); 33277c478bd9Sstevel@tonic-gate 33287c478bd9Sstevel@tonic-gate va.va_mask = AT_SIZE; 3329da6c28aaSamw verror = VOP_GETATTR(vp, &va, 0, cs->cr, &ct); 33307c478bd9Sstevel@tonic-gate 33317c478bd9Sstevel@tonic-gate if (error) { 3332c242f9a0Schunli zhang - Sun Microsystems - Irvine United States if (mp) 3333c242f9a0Schunli zhang - Sun Microsystems - Irvine United States freemsg(mp); 33347c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 33357c478bd9Sstevel@tonic-gate goto out; 33367c478bd9Sstevel@tonic-gate } 33377c478bd9Sstevel@tonic-gate 3338c242f9a0Schunli zhang - Sun Microsystems - Irvine United States /* make mblk using zc buffers */ 3339c242f9a0Schunli zhang - Sun Microsystems - Irvine United States if (loaned_buffers) { 3340c242f9a0Schunli zhang - Sun Microsystems - Irvine United States mp = uio_to_mblk(uiop); 3341c242f9a0Schunli zhang - Sun Microsystems - Irvine United States ASSERT(mp != NULL); 3342c242f9a0Schunli zhang - Sun Microsystems - Irvine United States } 3343c242f9a0Schunli zhang - Sun Microsystems - Irvine United States 33447c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 33457c478bd9Sstevel@tonic-gate 3346c242f9a0Schunli zhang - Sun Microsystems - Irvine United States ASSERT(uiop->uio_resid >= 0); 3347c242f9a0Schunli zhang - Sun Microsystems - Irvine United States resp->data_len = args->count - uiop->uio_resid; 33480a701b1eSRobert Gordon if (mp) { 33497c478bd9Sstevel@tonic-gate resp->data_val = (char *)mp->b_datap->db_base; 3350c242f9a0Schunli zhang - Sun Microsystems - Irvine United States rfs_rndup_mblks(mp, resp->data_len, loaned_buffers); 33510a701b1eSRobert Gordon } else { 33520a701b1eSRobert Gordon resp->data_val = (caddr_t)iov.iov_base; 33530a701b1eSRobert Gordon } 3354c242f9a0Schunli zhang - Sun Microsystems - Irvine United States 33557c478bd9Sstevel@tonic-gate resp->mblk = mp; 33567c478bd9Sstevel@tonic-gate 33577c478bd9Sstevel@tonic-gate if (!verror && offset + resp->data_len == va.va_size) 33587c478bd9Sstevel@tonic-gate resp->eof = TRUE; 33597c478bd9Sstevel@tonic-gate else 33607c478bd9Sstevel@tonic-gate resp->eof = FALSE; 33617c478bd9Sstevel@tonic-gate 3362c242f9a0Schunli zhang - Sun Microsystems - Irvine United States if (rdma_used) { 33630a701b1eSRobert Gordon if (!rdma_setup_read_data4(args, resp)) { 33640a701b1eSRobert Gordon *cs->statusp = resp->status = NFS4ERR_INVAL; 33650a701b1eSRobert Gordon } 33660a701b1eSRobert Gordon } else { 33670a701b1eSRobert Gordon resp->wlist = NULL; 33680a701b1eSRobert Gordon } 33690a701b1eSRobert Gordon 33707c478bd9Sstevel@tonic-gate out: 33717c478bd9Sstevel@tonic-gate if (in_crit) 33727c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 3373f3b585ceSsamf 3374e36d7b11SSebastien Roy if (iovp != NULL) 3375e36d7b11SSebastien Roy kmem_free(iovp, iovcnt * sizeof (struct iovec)); 3376e36d7b11SSebastien Roy 3377f3b585ceSsamf DTRACE_NFSV4_2(op__read__done, struct compound_state *, cs, 3378f3b585ceSsamf READ4res *, resp); 33797c478bd9Sstevel@tonic-gate } 33807c478bd9Sstevel@tonic-gate 33817c478bd9Sstevel@tonic-gate static void 33827c478bd9Sstevel@tonic-gate rfs4_op_read_free(nfs_resop4 *resop) 33837c478bd9Sstevel@tonic-gate { 33847c478bd9Sstevel@tonic-gate READ4res *resp = &resop->nfs_resop4_u.opread; 33857c478bd9Sstevel@tonic-gate 33867c478bd9Sstevel@tonic-gate if (resp->status == NFS4_OK && resp->mblk != NULL) { 3387c242f9a0Schunli zhang - Sun Microsystems - Irvine United States freemsg(resp->mblk); 33887c478bd9Sstevel@tonic-gate resp->mblk = NULL; 33897c478bd9Sstevel@tonic-gate resp->data_val = NULL; 33907c478bd9Sstevel@tonic-gate resp->data_len = 0; 33917c478bd9Sstevel@tonic-gate } 33927c478bd9Sstevel@tonic-gate } 33937c478bd9Sstevel@tonic-gate 33947c478bd9Sstevel@tonic-gate static void 33957c478bd9Sstevel@tonic-gate rfs4_op_readdir_free(nfs_resop4 * resop) 33967c478bd9Sstevel@tonic-gate { 33977c478bd9Sstevel@tonic-gate READDIR4res *resp = &resop->nfs_resop4_u.opreaddir; 33987c478bd9Sstevel@tonic-gate 33997c478bd9Sstevel@tonic-gate if (resp->status == NFS4_OK && resp->mblk != NULL) { 34007c478bd9Sstevel@tonic-gate freeb(resp->mblk); 34017c478bd9Sstevel@tonic-gate resp->mblk = NULL; 34027c478bd9Sstevel@tonic-gate resp->data_len = 0; 34037c478bd9Sstevel@tonic-gate } 34047c478bd9Sstevel@tonic-gate } 34057c478bd9Sstevel@tonic-gate 34067c478bd9Sstevel@tonic-gate 34077c478bd9Sstevel@tonic-gate /* ARGSUSED */ 34087c478bd9Sstevel@tonic-gate static void 34097c478bd9Sstevel@tonic-gate rfs4_op_putpubfh(nfs_argop4 *args, nfs_resop4 *resop, struct svc_req *req, 34107c478bd9Sstevel@tonic-gate struct compound_state *cs) 34117c478bd9Sstevel@tonic-gate { 34127c478bd9Sstevel@tonic-gate PUTPUBFH4res *resp = &resop->nfs_resop4_u.opputpubfh; 34137c478bd9Sstevel@tonic-gate int error; 34147c478bd9Sstevel@tonic-gate vnode_t *vp; 34157c478bd9Sstevel@tonic-gate struct exportinfo *exi, *sav_exi; 34167c478bd9Sstevel@tonic-gate nfs_fh4_fmt_t *fh_fmtp; 34177c478bd9Sstevel@tonic-gate 3418f3b585ceSsamf DTRACE_NFSV4_1(op__putpubfh__start, struct compound_state *, cs); 3419f3b585ceSsamf 34207c478bd9Sstevel@tonic-gate if (cs->vp) { 34217c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 34227c478bd9Sstevel@tonic-gate cs->vp = NULL; 34237c478bd9Sstevel@tonic-gate } 34247c478bd9Sstevel@tonic-gate 34257c478bd9Sstevel@tonic-gate if (cs->cr) 34267c478bd9Sstevel@tonic-gate crfree(cs->cr); 34277c478bd9Sstevel@tonic-gate 34287c478bd9Sstevel@tonic-gate cs->cr = crdup(cs->basecr); 34297c478bd9Sstevel@tonic-gate 34307c478bd9Sstevel@tonic-gate vp = exi_public->exi_vp; 34317c478bd9Sstevel@tonic-gate if (vp == NULL) { 34327c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 3433f3b585ceSsamf goto out; 34347c478bd9Sstevel@tonic-gate } 34357c478bd9Sstevel@tonic-gate 34367c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, vp, exi_public); 34377c478bd9Sstevel@tonic-gate if (error != 0) { 34387c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 3439f3b585ceSsamf goto out; 34407c478bd9Sstevel@tonic-gate } 34417c478bd9Sstevel@tonic-gate sav_exi = cs->exi; 34427c478bd9Sstevel@tonic-gate if (exi_public == exi_root) { 34437c478bd9Sstevel@tonic-gate /* 34447c478bd9Sstevel@tonic-gate * No filesystem is actually shared public, so we default 34457c478bd9Sstevel@tonic-gate * to exi_root. In this case, we must check whether root 34467c478bd9Sstevel@tonic-gate * is exported. 34477c478bd9Sstevel@tonic-gate */ 34487c478bd9Sstevel@tonic-gate fh_fmtp = (nfs_fh4_fmt_t *)cs->fh.nfs_fh4_val; 34497c478bd9Sstevel@tonic-gate 34507c478bd9Sstevel@tonic-gate /* 34517c478bd9Sstevel@tonic-gate * if root filesystem is exported, the exportinfo struct that we 34527c478bd9Sstevel@tonic-gate * should use is what checkexport4 returns, because root_exi is 34537c478bd9Sstevel@tonic-gate * actually a mostly empty struct. 34547c478bd9Sstevel@tonic-gate */ 34557c478bd9Sstevel@tonic-gate exi = checkexport4(&fh_fmtp->fh4_fsid, 34567c478bd9Sstevel@tonic-gate (fid_t *)&fh_fmtp->fh4_xlen, NULL); 34577c478bd9Sstevel@tonic-gate cs->exi = ((exi != NULL) ? exi : exi_public); 34587c478bd9Sstevel@tonic-gate } else { 34597c478bd9Sstevel@tonic-gate /* 34607c478bd9Sstevel@tonic-gate * it's a properly shared filesystem 34617c478bd9Sstevel@tonic-gate */ 34627c478bd9Sstevel@tonic-gate cs->exi = exi_public; 34637c478bd9Sstevel@tonic-gate } 34647c478bd9Sstevel@tonic-gate 3465bd6f1640SJarrett Lu if (is_system_labeled()) { 3466bd6f1640SJarrett Lu bslabel_t *clabel; 3467bd6f1640SJarrett Lu 3468bd6f1640SJarrett Lu ASSERT(req->rq_label != NULL); 3469bd6f1640SJarrett Lu clabel = req->rq_label; 3470bd6f1640SJarrett Lu DTRACE_PROBE2(tx__rfs4__log__info__opputpubfh__clabel, char *, 3471bd6f1640SJarrett Lu "got client label from request(1)", 3472bd6f1640SJarrett Lu struct svc_req *, req); 3473bd6f1640SJarrett Lu if (!blequal(&l_admin_low->tsl_label, clabel)) { 3474bd6f1640SJarrett Lu if (!do_rfs_label_check(clabel, vp, DOMINANCE_CHECK, 3475bd6f1640SJarrett Lu cs->exi)) { 3476bd6f1640SJarrett Lu *cs->statusp = resp->status = 3477bd6f1640SJarrett Lu NFS4ERR_SERVERFAULT; 3478bd6f1640SJarrett Lu goto out; 3479bd6f1640SJarrett Lu } 3480bd6f1640SJarrett Lu } 3481bd6f1640SJarrett Lu } 3482bd6f1640SJarrett Lu 34837c478bd9Sstevel@tonic-gate VN_HOLD(vp); 34847c478bd9Sstevel@tonic-gate cs->vp = vp; 34857c478bd9Sstevel@tonic-gate 34867c478bd9Sstevel@tonic-gate if ((resp->status = call_checkauth4(cs, req)) != NFS4_OK) { 34877c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 34887c478bd9Sstevel@tonic-gate cs->vp = NULL; 34897c478bd9Sstevel@tonic-gate cs->exi = sav_exi; 3490f3b585ceSsamf goto out; 34917c478bd9Sstevel@tonic-gate } 34927c478bd9Sstevel@tonic-gate 34937c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 3494f3b585ceSsamf out: 3495f3b585ceSsamf DTRACE_NFSV4_2(op__putpubfh__done, struct compound_state *, cs, 3496f3b585ceSsamf PUTPUBFH4res *, resp); 34977c478bd9Sstevel@tonic-gate } 34987c478bd9Sstevel@tonic-gate 34997c478bd9Sstevel@tonic-gate /* 35007c478bd9Sstevel@tonic-gate * XXX - issue with put*fh operations. Suppose /export/home is exported. 35017c478bd9Sstevel@tonic-gate * Suppose an NFS client goes to mount /export/home/joe. If /export, home, 35027c478bd9Sstevel@tonic-gate * or joe have restrictive search permissions, then we shouldn't let 35037c478bd9Sstevel@tonic-gate * the client get a file handle. This is easy to enforce. However, we 35047c478bd9Sstevel@tonic-gate * don't know what security flavor should be used until we resolve the 35057c478bd9Sstevel@tonic-gate * path name. Another complication is uid mapping. If root is 35067c478bd9Sstevel@tonic-gate * the user, then it will be mapped to the anonymous user by default, 35077c478bd9Sstevel@tonic-gate * but we won't know that till we've resolved the path name. And we won't 35087c478bd9Sstevel@tonic-gate * know what the anonymous user is. 35097c478bd9Sstevel@tonic-gate * Luckily, SECINFO is specified to take a full filename. 35107c478bd9Sstevel@tonic-gate * So what we will have to in rfs4_op_lookup is check that flavor of 35117c478bd9Sstevel@tonic-gate * the target object matches that of the request, and if root was the 35127c478bd9Sstevel@tonic-gate * caller, check for the root= and anon= options, and if necessary, 35137c478bd9Sstevel@tonic-gate * repeat the lookup using the right cred_t. But that's not done yet. 35147c478bd9Sstevel@tonic-gate */ 35157c478bd9Sstevel@tonic-gate /* ARGSUSED */ 35167c478bd9Sstevel@tonic-gate static void 35177c478bd9Sstevel@tonic-gate rfs4_op_putfh(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 35187c478bd9Sstevel@tonic-gate struct compound_state *cs) 35197c478bd9Sstevel@tonic-gate { 35207c478bd9Sstevel@tonic-gate PUTFH4args *args = &argop->nfs_argop4_u.opputfh; 35217c478bd9Sstevel@tonic-gate PUTFH4res *resp = &resop->nfs_resop4_u.opputfh; 35227c478bd9Sstevel@tonic-gate nfs_fh4_fmt_t *fh_fmtp; 35237c478bd9Sstevel@tonic-gate 3524f3b585ceSsamf DTRACE_NFSV4_2(op__putfh__start, struct compound_state *, cs, 3525f3b585ceSsamf PUTFH4args *, args); 3526f3b585ceSsamf 35277c478bd9Sstevel@tonic-gate if (cs->vp) { 35287c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 35297c478bd9Sstevel@tonic-gate cs->vp = NULL; 35307c478bd9Sstevel@tonic-gate } 35317c478bd9Sstevel@tonic-gate 35327c478bd9Sstevel@tonic-gate if (cs->cr) { 35337c478bd9Sstevel@tonic-gate crfree(cs->cr); 35347c478bd9Sstevel@tonic-gate cs->cr = NULL; 35357c478bd9Sstevel@tonic-gate } 35367c478bd9Sstevel@tonic-gate 35377c478bd9Sstevel@tonic-gate 35387c478bd9Sstevel@tonic-gate if (args->object.nfs_fh4_len < NFS_FH4_LEN) { 35397c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BADHANDLE; 3540f3b585ceSsamf goto out; 35417c478bd9Sstevel@tonic-gate } 35427c478bd9Sstevel@tonic-gate 35437c478bd9Sstevel@tonic-gate fh_fmtp = (nfs_fh4_fmt_t *)args->object.nfs_fh4_val; 35447c478bd9Sstevel@tonic-gate cs->exi = checkexport4(&fh_fmtp->fh4_fsid, (fid_t *)&fh_fmtp->fh4_xlen, 35457c478bd9Sstevel@tonic-gate NULL); 35467c478bd9Sstevel@tonic-gate 35477c478bd9Sstevel@tonic-gate if (cs->exi == NULL) { 35487c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_STALE; 3549f3b585ceSsamf goto out; 35507c478bd9Sstevel@tonic-gate } 35517c478bd9Sstevel@tonic-gate 35527c478bd9Sstevel@tonic-gate cs->cr = crdup(cs->basecr); 35537c478bd9Sstevel@tonic-gate 35547c478bd9Sstevel@tonic-gate ASSERT(cs->cr != NULL); 35557c478bd9Sstevel@tonic-gate 35567c478bd9Sstevel@tonic-gate if (! (cs->vp = nfs4_fhtovp(&args->object, cs->exi, &resp->status))) { 35577c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 3558f3b585ceSsamf goto out; 35597c478bd9Sstevel@tonic-gate } 35607c478bd9Sstevel@tonic-gate 35617c478bd9Sstevel@tonic-gate if ((resp->status = call_checkauth4(cs, req)) != NFS4_OK) { 35627c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 35637c478bd9Sstevel@tonic-gate cs->vp = NULL; 3564f3b585ceSsamf goto out; 35657c478bd9Sstevel@tonic-gate } 35667c478bd9Sstevel@tonic-gate 35677c478bd9Sstevel@tonic-gate nfs_fh4_copy(&args->object, &cs->fh); 35687c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 35697c478bd9Sstevel@tonic-gate cs->deleg = FALSE; 3570f3b585ceSsamf 3571f3b585ceSsamf out: 3572f3b585ceSsamf DTRACE_NFSV4_2(op__putfh__done, struct compound_state *, cs, 3573f3b585ceSsamf PUTFH4res *, resp); 35747c478bd9Sstevel@tonic-gate } 35757c478bd9Sstevel@tonic-gate 35767c478bd9Sstevel@tonic-gate /* ARGSUSED */ 35777c478bd9Sstevel@tonic-gate static void 35787c478bd9Sstevel@tonic-gate rfs4_op_putrootfh(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 35797c478bd9Sstevel@tonic-gate struct compound_state *cs) 35807c478bd9Sstevel@tonic-gate { 35817c478bd9Sstevel@tonic-gate PUTROOTFH4res *resp = &resop->nfs_resop4_u.opputrootfh; 35827c478bd9Sstevel@tonic-gate int error; 35837c478bd9Sstevel@tonic-gate fid_t fid; 35847c478bd9Sstevel@tonic-gate struct exportinfo *exi, *sav_exi; 35857c478bd9Sstevel@tonic-gate 3586f3b585ceSsamf DTRACE_NFSV4_1(op__putrootfh__start, struct compound_state *, cs); 3587f3b585ceSsamf 35887c478bd9Sstevel@tonic-gate if (cs->vp) { 35897c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 35907c478bd9Sstevel@tonic-gate cs->vp = NULL; 35917c478bd9Sstevel@tonic-gate } 35927c478bd9Sstevel@tonic-gate 35937c478bd9Sstevel@tonic-gate if (cs->cr) 35947c478bd9Sstevel@tonic-gate crfree(cs->cr); 35957c478bd9Sstevel@tonic-gate 35967c478bd9Sstevel@tonic-gate cs->cr = crdup(cs->basecr); 35977c478bd9Sstevel@tonic-gate 35987c478bd9Sstevel@tonic-gate /* 35997c478bd9Sstevel@tonic-gate * Using rootdir, the system root vnode, 36007c478bd9Sstevel@tonic-gate * get its fid. 36017c478bd9Sstevel@tonic-gate */ 36027c478bd9Sstevel@tonic-gate bzero(&fid, sizeof (fid)); 36037c478bd9Sstevel@tonic-gate fid.fid_len = MAXFIDSZ; 36047c478bd9Sstevel@tonic-gate error = vop_fid_pseudo(rootdir, &fid); 36057c478bd9Sstevel@tonic-gate if (error != 0) { 36067c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 3607f3b585ceSsamf goto out; 36087c478bd9Sstevel@tonic-gate } 36097c478bd9Sstevel@tonic-gate 36107c478bd9Sstevel@tonic-gate /* 36117c478bd9Sstevel@tonic-gate * Then use the root fsid & fid it to find out if it's exported 36127c478bd9Sstevel@tonic-gate * 36137c478bd9Sstevel@tonic-gate * If the server root isn't exported directly, then 36147c478bd9Sstevel@tonic-gate * it should at least be a pseudo export based on 36157c478bd9Sstevel@tonic-gate * one or more exports further down in the server's 36167c478bd9Sstevel@tonic-gate * file tree. 36177c478bd9Sstevel@tonic-gate */ 36187c478bd9Sstevel@tonic-gate exi = checkexport4(&rootdir->v_vfsp->vfs_fsid, &fid, NULL); 36197c478bd9Sstevel@tonic-gate if (exi == NULL || exi->exi_export.ex_flags & EX_PUBLIC) { 36207c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 36217c478bd9Sstevel@tonic-gate (CE_WARN, "rfs4_op_putrootfh: export check failure")); 36227c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 3623f3b585ceSsamf goto out; 36247c478bd9Sstevel@tonic-gate } 36257c478bd9Sstevel@tonic-gate 36267c478bd9Sstevel@tonic-gate /* 36277c478bd9Sstevel@tonic-gate * Now make a filehandle based on the root 36287c478bd9Sstevel@tonic-gate * export and root vnode. 36297c478bd9Sstevel@tonic-gate */ 36307c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, rootdir, exi); 36317c478bd9Sstevel@tonic-gate if (error != 0) { 36327c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 3633f3b585ceSsamf goto out; 36347c478bd9Sstevel@tonic-gate } 36357c478bd9Sstevel@tonic-gate 36367c478bd9Sstevel@tonic-gate sav_exi = cs->exi; 36377c478bd9Sstevel@tonic-gate cs->exi = exi; 36387c478bd9Sstevel@tonic-gate 36397c478bd9Sstevel@tonic-gate VN_HOLD(rootdir); 36407c478bd9Sstevel@tonic-gate cs->vp = rootdir; 36417c478bd9Sstevel@tonic-gate 36427c478bd9Sstevel@tonic-gate if ((resp->status = call_checkauth4(cs, req)) != NFS4_OK) { 36437c478bd9Sstevel@tonic-gate VN_RELE(rootdir); 36447c478bd9Sstevel@tonic-gate cs->vp = NULL; 36457c478bd9Sstevel@tonic-gate cs->exi = sav_exi; 3646f3b585ceSsamf goto out; 36477c478bd9Sstevel@tonic-gate } 36487c478bd9Sstevel@tonic-gate 36497c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 36507c478bd9Sstevel@tonic-gate cs->deleg = FALSE; 3651f3b585ceSsamf out: 3652f3b585ceSsamf DTRACE_NFSV4_2(op__putrootfh__done, struct compound_state *, cs, 3653f3b585ceSsamf PUTROOTFH4res *, resp); 36547c478bd9Sstevel@tonic-gate } 36557c478bd9Sstevel@tonic-gate 36567c478bd9Sstevel@tonic-gate /* 36577c478bd9Sstevel@tonic-gate * set_rdattr_params sets up the variables used to manage what information 36587c478bd9Sstevel@tonic-gate * to get for each directory entry. 36597c478bd9Sstevel@tonic-gate */ 36607c478bd9Sstevel@tonic-gate static nfsstat4 36617c478bd9Sstevel@tonic-gate set_rdattr_params(struct nfs4_svgetit_arg *sargp, 36627c478bd9Sstevel@tonic-gate bitmap4 attrs, bool_t *need_to_lookup) 36637c478bd9Sstevel@tonic-gate { 36647c478bd9Sstevel@tonic-gate uint_t va_mask; 36657c478bd9Sstevel@tonic-gate nfsstat4 status; 36667c478bd9Sstevel@tonic-gate bitmap4 objbits; 36677c478bd9Sstevel@tonic-gate 36687c478bd9Sstevel@tonic-gate status = bitmap4_to_attrmask(attrs, sargp); 36697c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 36707c478bd9Sstevel@tonic-gate /* 36717c478bd9Sstevel@tonic-gate * could not even figure attr mask 36727c478bd9Sstevel@tonic-gate */ 36737c478bd9Sstevel@tonic-gate return (status); 36747c478bd9Sstevel@tonic-gate } 36757c478bd9Sstevel@tonic-gate va_mask = sargp->vap->va_mask; 36767c478bd9Sstevel@tonic-gate 36777c478bd9Sstevel@tonic-gate /* 36787c478bd9Sstevel@tonic-gate * dirent's d_ino is always correct value for mounted_on_fileid. 36797c478bd9Sstevel@tonic-gate * mntdfid_set is set once here, but mounted_on_fileid is 36807c478bd9Sstevel@tonic-gate * set in main dirent processing loop for each dirent. 36817c478bd9Sstevel@tonic-gate * The mntdfid_set is a simple optimization that lets the 36827c478bd9Sstevel@tonic-gate * server attr code avoid work when caller is readdir. 36837c478bd9Sstevel@tonic-gate */ 36847c478bd9Sstevel@tonic-gate sargp->mntdfid_set = TRUE; 36857c478bd9Sstevel@tonic-gate 36867c478bd9Sstevel@tonic-gate /* 36877c478bd9Sstevel@tonic-gate * Lookup entry only if client asked for any of the following: 36887c478bd9Sstevel@tonic-gate * a) vattr attrs 36897c478bd9Sstevel@tonic-gate * b) vfs attrs 36907c478bd9Sstevel@tonic-gate * c) attrs w/per-object scope requested (change, filehandle, etc) 36917c478bd9Sstevel@tonic-gate * other than mounted_on_fileid (which we can take from dirent) 36927c478bd9Sstevel@tonic-gate */ 36937c478bd9Sstevel@tonic-gate objbits = attrs ? attrs & NFS4_VP_ATTR_MASK : 0; 36947c478bd9Sstevel@tonic-gate 36957c478bd9Sstevel@tonic-gate if (va_mask || sargp->sbp || (objbits & ~FATTR4_MOUNTED_ON_FILEID_MASK)) 36967c478bd9Sstevel@tonic-gate *need_to_lookup = TRUE; 36977c478bd9Sstevel@tonic-gate else 36987c478bd9Sstevel@tonic-gate *need_to_lookup = FALSE; 36997c478bd9Sstevel@tonic-gate 37007c478bd9Sstevel@tonic-gate if (sargp->sbp == NULL) 37017c478bd9Sstevel@tonic-gate return (NFS4_OK); 37027c478bd9Sstevel@tonic-gate 37037c478bd9Sstevel@tonic-gate /* 37047c478bd9Sstevel@tonic-gate * If filesystem attrs are requested, get them now from the 37057c478bd9Sstevel@tonic-gate * directory vp, as most entries will have same filesystem. The only 37067c478bd9Sstevel@tonic-gate * exception are mounted over entries but we handle 37077c478bd9Sstevel@tonic-gate * those as we go (XXX mounted over detection not yet implemented). 37087c478bd9Sstevel@tonic-gate */ 37097c478bd9Sstevel@tonic-gate sargp->vap->va_mask = 0; /* to avoid VOP_GETATTR */ 37107c478bd9Sstevel@tonic-gate status = bitmap4_get_sysattrs(sargp); 37117c478bd9Sstevel@tonic-gate sargp->vap->va_mask = va_mask; 37127c478bd9Sstevel@tonic-gate 37137c478bd9Sstevel@tonic-gate if ((status != NFS4_OK) && sargp->rdattr_error_req) { 37147c478bd9Sstevel@tonic-gate /* 37157c478bd9Sstevel@tonic-gate * Failed to get filesystem attributes. 37167c478bd9Sstevel@tonic-gate * Return a rdattr_error for each entry, but don't fail. 37177c478bd9Sstevel@tonic-gate * However, don't get any obj-dependent attrs. 37187c478bd9Sstevel@tonic-gate */ 37197c478bd9Sstevel@tonic-gate sargp->rdattr_error = status; /* for rdattr_error */ 37207c478bd9Sstevel@tonic-gate *need_to_lookup = FALSE; 37217c478bd9Sstevel@tonic-gate /* 37227c478bd9Sstevel@tonic-gate * At least get fileid for regular readdir output 37237c478bd9Sstevel@tonic-gate */ 37247c478bd9Sstevel@tonic-gate sargp->vap->va_mask &= AT_NODEID; 37257c478bd9Sstevel@tonic-gate status = NFS4_OK; 37267c478bd9Sstevel@tonic-gate } 37277c478bd9Sstevel@tonic-gate 37287c478bd9Sstevel@tonic-gate return (status); 37297c478bd9Sstevel@tonic-gate } 37307c478bd9Sstevel@tonic-gate 37317c478bd9Sstevel@tonic-gate /* 37327c478bd9Sstevel@tonic-gate * readlink: args: CURRENT_FH. 37337c478bd9Sstevel@tonic-gate * res: status. If success - CURRENT_FH unchanged, return linktext. 37347c478bd9Sstevel@tonic-gate */ 37357c478bd9Sstevel@tonic-gate 37367c478bd9Sstevel@tonic-gate /* ARGSUSED */ 37377c478bd9Sstevel@tonic-gate static void 37387c478bd9Sstevel@tonic-gate rfs4_op_readlink(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 37397c478bd9Sstevel@tonic-gate struct compound_state *cs) 37407c478bd9Sstevel@tonic-gate { 37417c478bd9Sstevel@tonic-gate READLINK4res *resp = &resop->nfs_resop4_u.opreadlink; 37427c478bd9Sstevel@tonic-gate int error; 37437c478bd9Sstevel@tonic-gate vnode_t *vp; 37447c478bd9Sstevel@tonic-gate struct iovec iov; 37457c478bd9Sstevel@tonic-gate struct vattr va; 37467c478bd9Sstevel@tonic-gate struct uio uio; 37477c478bd9Sstevel@tonic-gate char *data; 3748b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 3749b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 37502f172c55SRobert Thurlow int is_referral; 37517c478bd9Sstevel@tonic-gate 3752f3b585ceSsamf DTRACE_NFSV4_1(op__readlink__start, struct compound_state *, cs); 3753f3b585ceSsamf 37547c478bd9Sstevel@tonic-gate /* CURRENT_FH: directory */ 37557c478bd9Sstevel@tonic-gate vp = cs->vp; 37567c478bd9Sstevel@tonic-gate if (vp == NULL) { 37577c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 3758f3b585ceSsamf goto out; 37597c478bd9Sstevel@tonic-gate } 37607c478bd9Sstevel@tonic-gate 37617c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 37627c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 3763f3b585ceSsamf goto out; 37647c478bd9Sstevel@tonic-gate } 37657c478bd9Sstevel@tonic-gate 37662f172c55SRobert Thurlow /* Is it a referral? */ 37672f172c55SRobert Thurlow if (vn_is_nfs_reparse(vp, cs->cr) && client_is_downrev(req)) { 37682f172c55SRobert Thurlow 37692f172c55SRobert Thurlow is_referral = 1; 37702f172c55SRobert Thurlow 37712f172c55SRobert Thurlow } else { 37722f172c55SRobert Thurlow 37732f172c55SRobert Thurlow is_referral = 0; 37742f172c55SRobert Thurlow 37757c478bd9Sstevel@tonic-gate if (vp->v_type == VDIR) { 37767c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ISDIR; 3777f3b585ceSsamf goto out; 37787c478bd9Sstevel@tonic-gate } 37797c478bd9Sstevel@tonic-gate 37807c478bd9Sstevel@tonic-gate if (vp->v_type != VLNK) { 37817c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 3782f3b585ceSsamf goto out; 37837c478bd9Sstevel@tonic-gate } 37847c478bd9Sstevel@tonic-gate 37852f172c55SRobert Thurlow } 37862f172c55SRobert Thurlow 37877c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE; 3788da6c28aaSamw error = VOP_GETATTR(vp, &va, 0, cs->cr, NULL); 37897c478bd9Sstevel@tonic-gate if (error) { 37907c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 3791f3b585ceSsamf goto out; 37927c478bd9Sstevel@tonic-gate } 37937c478bd9Sstevel@tonic-gate 37947c478bd9Sstevel@tonic-gate if (MANDLOCK(vp, va.va_mode)) { 37957c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 3796f3b585ceSsamf goto out; 37977c478bd9Sstevel@tonic-gate } 37987c478bd9Sstevel@tonic-gate 37997c478bd9Sstevel@tonic-gate data = kmem_alloc(MAXPATHLEN + 1, KM_SLEEP); 38007c478bd9Sstevel@tonic-gate 38012f172c55SRobert Thurlow if (is_referral) { 38022f172c55SRobert Thurlow char *s; 38032f172c55SRobert Thurlow size_t strsz; 38042f172c55SRobert Thurlow 38052f172c55SRobert Thurlow /* Get an artificial symlink based on a referral */ 38062f172c55SRobert Thurlow s = build_symlink(vp, cs->cr, &strsz); 38072f172c55SRobert Thurlow global_svstat_ptr[4][NFS_REFERLINKS].value.ui64++; 38082f172c55SRobert Thurlow DTRACE_PROBE2(nfs4serv__func__referral__reflink, 38092f172c55SRobert Thurlow vnode_t *, vp, char *, s); 38102f172c55SRobert Thurlow if (s == NULL) 38112f172c55SRobert Thurlow error = EINVAL; 38122f172c55SRobert Thurlow else { 38132f172c55SRobert Thurlow error = 0; 38142f172c55SRobert Thurlow (void) strlcpy(data, s, MAXPATHLEN + 1); 38152f172c55SRobert Thurlow kmem_free(s, strsz); 38162f172c55SRobert Thurlow } 38172f172c55SRobert Thurlow 38182f172c55SRobert Thurlow } else { 38192f172c55SRobert Thurlow 38207c478bd9Sstevel@tonic-gate iov.iov_base = data; 38217c478bd9Sstevel@tonic-gate iov.iov_len = MAXPATHLEN; 38227c478bd9Sstevel@tonic-gate uio.uio_iov = &iov; 38237c478bd9Sstevel@tonic-gate uio.uio_iovcnt = 1; 38247c478bd9Sstevel@tonic-gate uio.uio_segflg = UIO_SYSSPACE; 38257c478bd9Sstevel@tonic-gate uio.uio_extflg = UIO_COPY_CACHED; 38267c478bd9Sstevel@tonic-gate uio.uio_loffset = 0; 38277c478bd9Sstevel@tonic-gate uio.uio_resid = MAXPATHLEN; 38287c478bd9Sstevel@tonic-gate 3829da6c28aaSamw error = VOP_READLINK(vp, &uio, cs->cr, NULL); 38307c478bd9Sstevel@tonic-gate 38312f172c55SRobert Thurlow if (!error) 38322f172c55SRobert Thurlow *(data + MAXPATHLEN - uio.uio_resid) = '\0'; 38332f172c55SRobert Thurlow } 38342f172c55SRobert Thurlow 38357c478bd9Sstevel@tonic-gate if (error) { 38367c478bd9Sstevel@tonic-gate kmem_free((caddr_t)data, (uint_t)MAXPATHLEN + 1); 38377c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 3838f3b585ceSsamf goto out; 38397c478bd9Sstevel@tonic-gate } 38407c478bd9Sstevel@tonic-gate 3841b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 3842b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, data, NFSCMD_CONV_OUTBOUND, 3843b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 3844b89a8333Snatalie li - Sun Microsystems - Irvine United States 3845b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 3846b89a8333Snatalie li - Sun Microsystems - Irvine United States /* 3847b89a8333Snatalie li - Sun Microsystems - Irvine United States * Even though the conversion failed, we return 3848b89a8333Snatalie li - Sun Microsystems - Irvine United States * something. We just don't translate it. 3849b89a8333Snatalie li - Sun Microsystems - Irvine United States */ 3850b89a8333Snatalie li - Sun Microsystems - Irvine United States name = data; 3851b89a8333Snatalie li - Sun Microsystems - Irvine United States } 3852b89a8333Snatalie li - Sun Microsystems - Irvine United States 38537c478bd9Sstevel@tonic-gate /* 38547c478bd9Sstevel@tonic-gate * treat link name as data 38557c478bd9Sstevel@tonic-gate */ 3856b89a8333Snatalie li - Sun Microsystems - Irvine United States (void) str_to_utf8(name, &resp->link); 38577c478bd9Sstevel@tonic-gate 3858b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != data) 3859b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 38607c478bd9Sstevel@tonic-gate kmem_free((caddr_t)data, (uint_t)MAXPATHLEN + 1); 38617c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 3862f3b585ceSsamf 3863f3b585ceSsamf out: 3864f3b585ceSsamf DTRACE_NFSV4_2(op__readlink__done, struct compound_state *, cs, 3865f3b585ceSsamf READLINK4res *, resp); 38667c478bd9Sstevel@tonic-gate } 38677c478bd9Sstevel@tonic-gate 38687c478bd9Sstevel@tonic-gate static void 38697c478bd9Sstevel@tonic-gate rfs4_op_readlink_free(nfs_resop4 *resop) 38707c478bd9Sstevel@tonic-gate { 38717c478bd9Sstevel@tonic-gate READLINK4res *resp = &resop->nfs_resop4_u.opreadlink; 38727c478bd9Sstevel@tonic-gate utf8string *symlink = &resp->link; 38737c478bd9Sstevel@tonic-gate 38747c478bd9Sstevel@tonic-gate if (symlink->utf8string_val) { 38757c478bd9Sstevel@tonic-gate UTF8STRING_FREE(*symlink) 38767c478bd9Sstevel@tonic-gate } 38777c478bd9Sstevel@tonic-gate } 38787c478bd9Sstevel@tonic-gate 38797c478bd9Sstevel@tonic-gate /* 38807c478bd9Sstevel@tonic-gate * release_lockowner: 38817c478bd9Sstevel@tonic-gate * Release any state associated with the supplied 38827c478bd9Sstevel@tonic-gate * lockowner. Note if any lo_state is holding locks we will not 38837c478bd9Sstevel@tonic-gate * rele that lo_state and thus the lockowner will not be destroyed. 38847c478bd9Sstevel@tonic-gate * A client using lock after the lock owner stateid has been released 38857c478bd9Sstevel@tonic-gate * will suffer the consequence of NFS4ERR_BAD_STATEID and would have 38867c478bd9Sstevel@tonic-gate * to reissue the lock with new_lock_owner set to TRUE. 38877c478bd9Sstevel@tonic-gate * args: lock_owner 38887c478bd9Sstevel@tonic-gate * res: status 38897c478bd9Sstevel@tonic-gate */ 38907c478bd9Sstevel@tonic-gate /* ARGSUSED */ 38917c478bd9Sstevel@tonic-gate static void 38927c478bd9Sstevel@tonic-gate rfs4_op_release_lockowner(nfs_argop4 *argop, nfs_resop4 *resop, 38937c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 38947c478bd9Sstevel@tonic-gate { 38957c478bd9Sstevel@tonic-gate RELEASE_LOCKOWNER4args *ap = &argop->nfs_argop4_u.oprelease_lockowner; 38967c478bd9Sstevel@tonic-gate RELEASE_LOCKOWNER4res *resp = &resop->nfs_resop4_u.oprelease_lockowner; 38977c478bd9Sstevel@tonic-gate rfs4_lockowner_t *lo; 3898d216dff5SRobert Mastors rfs4_openowner_t *oo; 38997c478bd9Sstevel@tonic-gate rfs4_state_t *sp; 39007c478bd9Sstevel@tonic-gate rfs4_lo_state_t *lsp; 39017c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 39027c478bd9Sstevel@tonic-gate bool_t create = FALSE; 39037c478bd9Sstevel@tonic-gate locklist_t *llist; 39047c478bd9Sstevel@tonic-gate sysid_t sysid; 39057c478bd9Sstevel@tonic-gate 3906f3b585ceSsamf DTRACE_NFSV4_2(op__release__lockowner__start, struct compound_state *, 3907f3b585ceSsamf cs, RELEASE_LOCKOWNER4args *, ap); 3908f3b585ceSsamf 39097c478bd9Sstevel@tonic-gate /* Make sure there is a clientid around for this request */ 39107c478bd9Sstevel@tonic-gate cp = rfs4_findclient_by_id(ap->lock_owner.clientid, FALSE); 39117c478bd9Sstevel@tonic-gate 39127c478bd9Sstevel@tonic-gate if (cp == NULL) { 39137c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 39147c478bd9Sstevel@tonic-gate rfs4_check_clientid(&ap->lock_owner.clientid, 0); 3915f3b585ceSsamf goto out; 39167c478bd9Sstevel@tonic-gate } 39177c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 39187c478bd9Sstevel@tonic-gate 39197c478bd9Sstevel@tonic-gate lo = rfs4_findlockowner(&ap->lock_owner, &create); 39207c478bd9Sstevel@tonic-gate if (lo == NULL) { 39217c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 3922f3b585ceSsamf goto out; 39237c478bd9Sstevel@tonic-gate } 3924d216dff5SRobert Mastors ASSERT(lo->rl_client != NULL); 39257c478bd9Sstevel@tonic-gate 39267c478bd9Sstevel@tonic-gate /* 39277c478bd9Sstevel@tonic-gate * Check for EXPIRED client. If so will reap state with in a lease 39287c478bd9Sstevel@tonic-gate * period or on next set_clientid_confirm step 39297c478bd9Sstevel@tonic-gate */ 3930d216dff5SRobert Mastors if (rfs4_lease_expired(lo->rl_client)) { 39317c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 39327c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 3933f3b585ceSsamf goto out; 39347c478bd9Sstevel@tonic-gate } 39357c478bd9Sstevel@tonic-gate 39367c478bd9Sstevel@tonic-gate /* 39377c478bd9Sstevel@tonic-gate * If no sysid has been assigned, then no locks exist; just return. 39387c478bd9Sstevel@tonic-gate */ 3939d216dff5SRobert Mastors rfs4_dbe_lock(lo->rl_client->rc_dbe); 3940d216dff5SRobert Mastors if (lo->rl_client->rc_sysidt == LM_NOSYSID) { 39417c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 3942d216dff5SRobert Mastors rfs4_dbe_unlock(lo->rl_client->rc_dbe); 3943f3b585ceSsamf goto out; 39447c478bd9Sstevel@tonic-gate } 39457c478bd9Sstevel@tonic-gate 3946d216dff5SRobert Mastors sysid = lo->rl_client->rc_sysidt; 3947d216dff5SRobert Mastors rfs4_dbe_unlock(lo->rl_client->rc_dbe); 39487c478bd9Sstevel@tonic-gate 39497c478bd9Sstevel@tonic-gate /* 39507c478bd9Sstevel@tonic-gate * Mark the lockowner invalid. 39517c478bd9Sstevel@tonic-gate */ 3952d216dff5SRobert Mastors rfs4_dbe_hide(lo->rl_dbe); 39537c478bd9Sstevel@tonic-gate 39547c478bd9Sstevel@tonic-gate /* 39557c478bd9Sstevel@tonic-gate * sysid-pid pair should now not be used since the lockowner is 39567c478bd9Sstevel@tonic-gate * invalid. If the client were to instantiate the lockowner again 39577c478bd9Sstevel@tonic-gate * it would be assigned a new pid. Thus we can get the list of 39587c478bd9Sstevel@tonic-gate * current locks. 39597c478bd9Sstevel@tonic-gate */ 39607c478bd9Sstevel@tonic-gate 3961d216dff5SRobert Mastors llist = flk_get_active_locks(sysid, lo->rl_pid); 39627c478bd9Sstevel@tonic-gate /* If we are still holding locks fail */ 39637c478bd9Sstevel@tonic-gate if (llist != NULL) { 39647c478bd9Sstevel@tonic-gate 39657c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_LOCKS_HELD; 39667c478bd9Sstevel@tonic-gate 39677c478bd9Sstevel@tonic-gate flk_free_locklist(llist); 39687c478bd9Sstevel@tonic-gate /* 39697c478bd9Sstevel@tonic-gate * We need to unhide the lockowner so the client can 39707c478bd9Sstevel@tonic-gate * try it again. The bad thing here is if the client 39717c478bd9Sstevel@tonic-gate * has a logic error that took it here in the first place 39727c478bd9Sstevel@tonic-gate * he probably has lost accounting of the locks that it 39737c478bd9Sstevel@tonic-gate * is holding. So we may have dangling state until the 39747c478bd9Sstevel@tonic-gate * open owner state is reaped via close. One scenario 39757c478bd9Sstevel@tonic-gate * that could possibly occur is that the client has 39767c478bd9Sstevel@tonic-gate * sent the unlock request(s) in separate threads 39777c478bd9Sstevel@tonic-gate * and has not waited for the replies before sending the 39787c478bd9Sstevel@tonic-gate * RELEASE_LOCKOWNER request. Presumably, it would expect 39797c478bd9Sstevel@tonic-gate * and deal appropriately with NFS4ERR_LOCKS_HELD, by 39807c478bd9Sstevel@tonic-gate * reissuing the request. 39817c478bd9Sstevel@tonic-gate */ 3982d216dff5SRobert Mastors rfs4_dbe_unhide(lo->rl_dbe); 39837c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 3984f3b585ceSsamf goto out; 39857c478bd9Sstevel@tonic-gate } 39867c478bd9Sstevel@tonic-gate 39877c478bd9Sstevel@tonic-gate /* 39887c478bd9Sstevel@tonic-gate * For the corresponding client we need to check each open 39897c478bd9Sstevel@tonic-gate * owner for any opens that have lockowner state associated 39907c478bd9Sstevel@tonic-gate * with this lockowner. 39917c478bd9Sstevel@tonic-gate */ 39927c478bd9Sstevel@tonic-gate 3993d216dff5SRobert Mastors rfs4_dbe_lock(lo->rl_client->rc_dbe); 3994d216dff5SRobert Mastors for (oo = list_head(&lo->rl_client->rc_openownerlist); oo != NULL; 3995d216dff5SRobert Mastors oo = list_next(&lo->rl_client->rc_openownerlist, oo)) { 39967c478bd9Sstevel@tonic-gate 3997d216dff5SRobert Mastors rfs4_dbe_lock(oo->ro_dbe); 3998d216dff5SRobert Mastors for (sp = list_head(&oo->ro_statelist); sp != NULL; 3999d216dff5SRobert Mastors sp = list_next(&oo->ro_statelist, sp)) { 40007c478bd9Sstevel@tonic-gate 4001d216dff5SRobert Mastors rfs4_dbe_lock(sp->rs_dbe); 4002d216dff5SRobert Mastors for (lsp = list_head(&sp->rs_lostatelist); 4003d216dff5SRobert Mastors lsp != NULL; 4004d216dff5SRobert Mastors lsp = list_next(&sp->rs_lostatelist, lsp)) { 4005d216dff5SRobert Mastors if (lsp->rls_locker == lo) { 4006d216dff5SRobert Mastors rfs4_dbe_lock(lsp->rls_dbe); 4007d216dff5SRobert Mastors rfs4_dbe_invalidate(lsp->rls_dbe); 4008d216dff5SRobert Mastors rfs4_dbe_unlock(lsp->rls_dbe); 40097c478bd9Sstevel@tonic-gate } 40107c478bd9Sstevel@tonic-gate } 4011d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 40127c478bd9Sstevel@tonic-gate } 4013d216dff5SRobert Mastors rfs4_dbe_unlock(oo->ro_dbe); 40147c478bd9Sstevel@tonic-gate } 4015d216dff5SRobert Mastors rfs4_dbe_unlock(lo->rl_client->rc_dbe); 40167c478bd9Sstevel@tonic-gate 40177c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 40187c478bd9Sstevel@tonic-gate 40197c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 4020f3b585ceSsamf 4021f3b585ceSsamf out: 4022f3b585ceSsamf DTRACE_NFSV4_2(op__release__lockowner__done, struct compound_state *, 4023f3b585ceSsamf cs, RELEASE_LOCKOWNER4res *, resp); 40247c478bd9Sstevel@tonic-gate } 40257c478bd9Sstevel@tonic-gate 40267c478bd9Sstevel@tonic-gate /* 40277c478bd9Sstevel@tonic-gate * short utility function to lookup a file and recall the delegation 40287c478bd9Sstevel@tonic-gate */ 40297c478bd9Sstevel@tonic-gate static rfs4_file_t * 40307c478bd9Sstevel@tonic-gate rfs4_lookup_and_findfile(vnode_t *dvp, char *nm, vnode_t **vpp, 40317c478bd9Sstevel@tonic-gate int *lkup_error, cred_t *cr) 40327c478bd9Sstevel@tonic-gate { 40337c478bd9Sstevel@tonic-gate vnode_t *vp; 40347c478bd9Sstevel@tonic-gate rfs4_file_t *fp = NULL; 40357c478bd9Sstevel@tonic-gate bool_t fcreate = FALSE; 40367c478bd9Sstevel@tonic-gate int error; 40377c478bd9Sstevel@tonic-gate 40387c478bd9Sstevel@tonic-gate if (vpp) 40397c478bd9Sstevel@tonic-gate *vpp = NULL; 40407c478bd9Sstevel@tonic-gate 4041da6c28aaSamw if ((error = VOP_LOOKUP(dvp, nm, &vp, NULL, 0, NULL, cr, NULL, NULL, 4042da6c28aaSamw NULL)) == 0) { 40437c478bd9Sstevel@tonic-gate if (vp->v_type == VREG) 40447c478bd9Sstevel@tonic-gate fp = rfs4_findfile(vp, NULL, &fcreate); 40457c478bd9Sstevel@tonic-gate if (vpp) 40467c478bd9Sstevel@tonic-gate *vpp = vp; 40477c478bd9Sstevel@tonic-gate else 40487c478bd9Sstevel@tonic-gate VN_RELE(vp); 40497c478bd9Sstevel@tonic-gate } 40507c478bd9Sstevel@tonic-gate 40517c478bd9Sstevel@tonic-gate if (lkup_error) 40527c478bd9Sstevel@tonic-gate *lkup_error = error; 40537c478bd9Sstevel@tonic-gate 40547c478bd9Sstevel@tonic-gate return (fp); 40557c478bd9Sstevel@tonic-gate } 40567c478bd9Sstevel@tonic-gate 40577c478bd9Sstevel@tonic-gate /* 40587c478bd9Sstevel@tonic-gate * remove: args: CURRENT_FH: directory; name. 40597c478bd9Sstevel@tonic-gate * res: status. If success - CURRENT_FH unchanged, return change_info 40607c478bd9Sstevel@tonic-gate * for directory. 40617c478bd9Sstevel@tonic-gate */ 40627c478bd9Sstevel@tonic-gate /* ARGSUSED */ 40637c478bd9Sstevel@tonic-gate static void 40647c478bd9Sstevel@tonic-gate rfs4_op_remove(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 40657c478bd9Sstevel@tonic-gate struct compound_state *cs) 40667c478bd9Sstevel@tonic-gate { 40677c478bd9Sstevel@tonic-gate REMOVE4args *args = &argop->nfs_argop4_u.opremove; 40687c478bd9Sstevel@tonic-gate REMOVE4res *resp = &resop->nfs_resop4_u.opremove; 40697c478bd9Sstevel@tonic-gate int error; 40707c478bd9Sstevel@tonic-gate vnode_t *dvp, *vp; 40717c478bd9Sstevel@tonic-gate struct vattr bdva, idva, adva; 40727c478bd9Sstevel@tonic-gate char *nm; 40737c478bd9Sstevel@tonic-gate uint_t len; 40747c478bd9Sstevel@tonic-gate rfs4_file_t *fp; 40757c478bd9Sstevel@tonic-gate int in_crit = 0; 407645916cd2Sjpk bslabel_t *clabel; 4077b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 4078b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 407915721462SDaniil Lunev nfsstat4 status; 40807c478bd9Sstevel@tonic-gate 4081f3b585ceSsamf DTRACE_NFSV4_2(op__remove__start, struct compound_state *, cs, 4082f3b585ceSsamf REMOVE4args *, args); 4083f3b585ceSsamf 40847c478bd9Sstevel@tonic-gate /* CURRENT_FH: directory */ 40857c478bd9Sstevel@tonic-gate dvp = cs->vp; 40867c478bd9Sstevel@tonic-gate if (dvp == NULL) { 40877c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 4088f3b585ceSsamf goto out; 40897c478bd9Sstevel@tonic-gate } 40907c478bd9Sstevel@tonic-gate 40917c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 40927c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 4093f3b585ceSsamf goto out; 40947c478bd9Sstevel@tonic-gate } 40957c478bd9Sstevel@tonic-gate 40967c478bd9Sstevel@tonic-gate /* 40977c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 40987c478bd9Sstevel@tonic-gate * Do not allow to remove anything in this directory. 40997c478bd9Sstevel@tonic-gate */ 41007c478bd9Sstevel@tonic-gate if (vn_ismntpt(dvp)) { 41017c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 4102f3b585ceSsamf goto out; 41037c478bd9Sstevel@tonic-gate } 41047c478bd9Sstevel@tonic-gate 41057c478bd9Sstevel@tonic-gate if (dvp->v_type != VDIR) { 41067c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 4107f3b585ceSsamf goto out; 41087c478bd9Sstevel@tonic-gate } 41097c478bd9Sstevel@tonic-gate 411015721462SDaniil Lunev status = utf8_dir_verify(&args->target); 411115721462SDaniil Lunev if (status != NFS4_OK) { 411215721462SDaniil Lunev *cs->statusp = resp->status = status; 4113f3b585ceSsamf goto out; 41147c478bd9Sstevel@tonic-gate } 41157c478bd9Sstevel@tonic-gate 41167c478bd9Sstevel@tonic-gate /* 41177c478bd9Sstevel@tonic-gate * Lookup the file so that we can check if it's a directory 41187c478bd9Sstevel@tonic-gate */ 41197c478bd9Sstevel@tonic-gate nm = utf8_to_fn(&args->target, &len, NULL); 41207c478bd9Sstevel@tonic-gate if (nm == NULL) { 41217c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 4122f3b585ceSsamf goto out; 41237c478bd9Sstevel@tonic-gate } 41247c478bd9Sstevel@tonic-gate 41257c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 41267c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 41277c478bd9Sstevel@tonic-gate kmem_free(nm, len); 4128f3b585ceSsamf goto out; 41297c478bd9Sstevel@tonic-gate } 41307c478bd9Sstevel@tonic-gate 41315cb0d679SMarcel Telka if (rdonly4(req, cs)) { 41327c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 41337c478bd9Sstevel@tonic-gate kmem_free(nm, len); 4134f3b585ceSsamf goto out; 41357c478bd9Sstevel@tonic-gate } 41367c478bd9Sstevel@tonic-gate 4137b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 4138b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 4139b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 4140b89a8333Snatalie li - Sun Microsystems - Irvine United States 4141b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 4142b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 4143b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, len); 4144b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 4145b89a8333Snatalie li - Sun Microsystems - Irvine United States } 4146b89a8333Snatalie li - Sun Microsystems - Irvine United States 41477c478bd9Sstevel@tonic-gate /* 41487c478bd9Sstevel@tonic-gate * Lookup the file to determine type and while we are see if 41497c478bd9Sstevel@tonic-gate * there is a file struct around and check for delegation. 41507c478bd9Sstevel@tonic-gate * We don't need to acquire va_seq before this lookup, if 41517c478bd9Sstevel@tonic-gate * it causes an update, cinfo.before will not match, which will 41527c478bd9Sstevel@tonic-gate * trigger a cache flush even if atomic is TRUE. 41537c478bd9Sstevel@tonic-gate */ 4154b89a8333Snatalie li - Sun Microsystems - Irvine United States if (fp = rfs4_lookup_and_findfile(dvp, name, &vp, &error, cs->cr)) { 41557c478bd9Sstevel@tonic-gate if (rfs4_check_delegated_byfp(FWRITE, fp, TRUE, TRUE, TRUE, 41567c478bd9Sstevel@tonic-gate NULL)) { 41577c478bd9Sstevel@tonic-gate VN_RELE(vp); 41587c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 41597c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_DELAY; 4160b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 4161b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 41627c478bd9Sstevel@tonic-gate kmem_free(nm, len); 4163f3b585ceSsamf goto out; 41647c478bd9Sstevel@tonic-gate } 41657c478bd9Sstevel@tonic-gate } 41667c478bd9Sstevel@tonic-gate 41677c478bd9Sstevel@tonic-gate /* Didn't find anything to remove */ 41687c478bd9Sstevel@tonic-gate if (vp == NULL) { 41697c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = error; 4170b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 4171b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 41727c478bd9Sstevel@tonic-gate kmem_free(nm, len); 4173f3b585ceSsamf goto out; 41747c478bd9Sstevel@tonic-gate } 41757c478bd9Sstevel@tonic-gate 41767c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 41777c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 41787c478bd9Sstevel@tonic-gate in_crit = 1; 4179da6c28aaSamw if (nbl_conflict(vp, NBL_REMOVE, 0, 0, 0, NULL)) { 41807c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_FILE_OPEN; 4181b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 4182b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 41837c478bd9Sstevel@tonic-gate kmem_free(nm, len); 41847c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 41857c478bd9Sstevel@tonic-gate VN_RELE(vp); 41867c478bd9Sstevel@tonic-gate if (fp) { 41877c478bd9Sstevel@tonic-gate rfs4_clear_dont_grant(fp); 41887c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 41897c478bd9Sstevel@tonic-gate } 4190f3b585ceSsamf goto out; 41917c478bd9Sstevel@tonic-gate } 41927c478bd9Sstevel@tonic-gate } 41937c478bd9Sstevel@tonic-gate 419445916cd2Sjpk /* check label before allowing removal */ 419545916cd2Sjpk if (is_system_labeled()) { 419645916cd2Sjpk ASSERT(req->rq_label != NULL); 419745916cd2Sjpk clabel = req->rq_label; 419845916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__opremove__clabel, char *, 419945916cd2Sjpk "got client label from request(1)", 420045916cd2Sjpk struct svc_req *, req); 420145916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 4202bd6f1640SJarrett Lu if (!do_rfs_label_check(clabel, vp, EQUALITY_CHECK, 4203bd6f1640SJarrett Lu cs->exi)) { 420445916cd2Sjpk *cs->statusp = resp->status = NFS4ERR_ACCESS; 4205b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name != nm) 4206b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 420745916cd2Sjpk kmem_free(nm, len); 420845916cd2Sjpk if (in_crit) 420945916cd2Sjpk nbl_end_crit(vp); 421045916cd2Sjpk VN_RELE(vp); 421145916cd2Sjpk if (fp) { 421245916cd2Sjpk rfs4_clear_dont_grant(fp); 421345916cd2Sjpk rfs4_file_rele(fp); 421445916cd2Sjpk } 4215f3b585ceSsamf goto out; 421645916cd2Sjpk } 421745916cd2Sjpk } 421845916cd2Sjpk } 421945916cd2Sjpk 42207c478bd9Sstevel@tonic-gate /* Get dir "before" change value */ 42217c478bd9Sstevel@tonic-gate bdva.va_mask = AT_CTIME|AT_SEQ; 4222da6c28aaSamw error = VOP_GETATTR(dvp, &bdva, 0, cs->cr, NULL); 42237c478bd9Sstevel@tonic-gate if (error) { 42247c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 4225b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 4226b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 42277c478bd9Sstevel@tonic-gate kmem_free(nm, len); 4228a08f57bcSJames Wahlig if (in_crit) 4229a08f57bcSJames Wahlig nbl_end_crit(vp); 4230a08f57bcSJames Wahlig VN_RELE(vp); 4231a08f57bcSJames Wahlig if (fp) { 4232a08f57bcSJames Wahlig rfs4_clear_dont_grant(fp); 4233a08f57bcSJames Wahlig rfs4_file_rele(fp); 4234a08f57bcSJames Wahlig } 4235f3b585ceSsamf goto out; 42367c478bd9Sstevel@tonic-gate } 42377c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.before, bdva.va_ctime) 42387c478bd9Sstevel@tonic-gate 42397c478bd9Sstevel@tonic-gate /* Actually do the REMOVE operation */ 42407c478bd9Sstevel@tonic-gate if (vp->v_type == VDIR) { 42417c478bd9Sstevel@tonic-gate /* 42427c478bd9Sstevel@tonic-gate * Can't remove a directory that has a mounted-on filesystem. 42437c478bd9Sstevel@tonic-gate */ 42447c478bd9Sstevel@tonic-gate if (vn_ismntpt(vp)) { 42457c478bd9Sstevel@tonic-gate error = EACCES; 42467c478bd9Sstevel@tonic-gate } else { 42477c478bd9Sstevel@tonic-gate /* 42487c478bd9Sstevel@tonic-gate * System V defines rmdir to return EEXIST, 424959fb210bSJan Kryl * not ENOTEMPTY, if the directory is not 42507c478bd9Sstevel@tonic-gate * empty. A System V NFS server needs to map 42517c478bd9Sstevel@tonic-gate * NFS4ERR_EXIST to NFS4ERR_NOTEMPTY to 42527c478bd9Sstevel@tonic-gate * transmit over the wire. 42537c478bd9Sstevel@tonic-gate */ 425459fb210bSJan Kryl if ((error = VOP_RMDIR(dvp, name, rootdir, cs->cr, 4255da6c28aaSamw NULL, 0)) == EEXIST) 42567c478bd9Sstevel@tonic-gate error = ENOTEMPTY; 42577c478bd9Sstevel@tonic-gate } 42587c478bd9Sstevel@tonic-gate } else { 4259b89a8333Snatalie li - Sun Microsystems - Irvine United States if ((error = VOP_REMOVE(dvp, name, cs->cr, NULL, 0)) == 0 && 42607c478bd9Sstevel@tonic-gate fp != NULL) { 42617c478bd9Sstevel@tonic-gate struct vattr va; 4262418d27f3Sshepler vnode_t *tvp; 42637c478bd9Sstevel@tonic-gate 4264d216dff5SRobert Mastors rfs4_dbe_lock(fp->rf_dbe); 4265d216dff5SRobert Mastors tvp = fp->rf_vp; 4266418d27f3Sshepler if (tvp) 4267418d27f3Sshepler VN_HOLD(tvp); 4268d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 4269418d27f3Sshepler 4270418d27f3Sshepler if (tvp) { 42717c478bd9Sstevel@tonic-gate /* 42727c478bd9Sstevel@tonic-gate * This is va_seq safe because we are not 42737c478bd9Sstevel@tonic-gate * manipulating dvp. 42747c478bd9Sstevel@tonic-gate */ 42757c478bd9Sstevel@tonic-gate va.va_mask = AT_NLINK; 4276da6c28aaSamw if (!VOP_GETATTR(tvp, &va, 0, cs->cr, NULL) && 42777c478bd9Sstevel@tonic-gate va.va_nlink == 0) { 4278418d27f3Sshepler /* Remove state on file remove */ 42797c478bd9Sstevel@tonic-gate if (in_crit) { 42807c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 42817c478bd9Sstevel@tonic-gate in_crit = 0; 42827c478bd9Sstevel@tonic-gate } 42837c478bd9Sstevel@tonic-gate rfs4_close_all_state(fp); 42847c478bd9Sstevel@tonic-gate } 4285418d27f3Sshepler VN_RELE(tvp); 4286418d27f3Sshepler } 42877c478bd9Sstevel@tonic-gate } 42887c478bd9Sstevel@tonic-gate } 42897c478bd9Sstevel@tonic-gate 42907c478bd9Sstevel@tonic-gate if (in_crit) 42917c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 42927c478bd9Sstevel@tonic-gate VN_RELE(vp); 42937c478bd9Sstevel@tonic-gate 42947c478bd9Sstevel@tonic-gate if (fp) { 42957c478bd9Sstevel@tonic-gate rfs4_clear_dont_grant(fp); 42967c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 42977c478bd9Sstevel@tonic-gate } 4298b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 4299b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 43007c478bd9Sstevel@tonic-gate kmem_free(nm, len); 43017c478bd9Sstevel@tonic-gate 43027c478bd9Sstevel@tonic-gate if (error) { 43037c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 4304f3b585ceSsamf goto out; 43057c478bd9Sstevel@tonic-gate } 43067c478bd9Sstevel@tonic-gate 43077c478bd9Sstevel@tonic-gate /* 43087c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, set to zero 43097c478bd9Sstevel@tonic-gate */ 43107c478bd9Sstevel@tonic-gate idva.va_mask = AT_SEQ; 4311da6c28aaSamw if (VOP_GETATTR(dvp, &idva, 0, cs->cr, NULL)) 43127c478bd9Sstevel@tonic-gate idva.va_seq = 0; 43137c478bd9Sstevel@tonic-gate 43147c478bd9Sstevel@tonic-gate /* 43157c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 43167c478bd9Sstevel@tonic-gate */ 4317da6c28aaSamw (void) VOP_FSYNC(dvp, 0, cs->cr, NULL); 43187c478bd9Sstevel@tonic-gate 43197c478bd9Sstevel@tonic-gate /* 43207c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 43217c478bd9Sstevel@tonic-gate * before value. 43227c478bd9Sstevel@tonic-gate */ 43237c478bd9Sstevel@tonic-gate adva.va_mask = AT_CTIME|AT_SEQ; 4324da6c28aaSamw if (VOP_GETATTR(dvp, &adva, 0, cs->cr, NULL)) { 43257c478bd9Sstevel@tonic-gate adva.va_ctime = bdva.va_ctime; 43267c478bd9Sstevel@tonic-gate adva.va_seq = 0; 43277c478bd9Sstevel@tonic-gate } 43287c478bd9Sstevel@tonic-gate 43297c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->cinfo.after, adva.va_ctime) 43307c478bd9Sstevel@tonic-gate 43317c478bd9Sstevel@tonic-gate /* 43327c478bd9Sstevel@tonic-gate * The cinfo.atomic = TRUE only if we have 43337c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 43347c478bd9Sstevel@tonic-gate * during the VOP_REMOVE/RMDIR and it didn't change during 43357c478bd9Sstevel@tonic-gate * the VOP_FSYNC. 43367c478bd9Sstevel@tonic-gate */ 43377c478bd9Sstevel@tonic-gate if (bdva.va_seq && idva.va_seq && adva.va_seq && 43381b300de9Sjwahlig idva.va_seq == (bdva.va_seq + 1) && idva.va_seq == adva.va_seq) 43397c478bd9Sstevel@tonic-gate resp->cinfo.atomic = TRUE; 43407c478bd9Sstevel@tonic-gate else 43417c478bd9Sstevel@tonic-gate resp->cinfo.atomic = FALSE; 43427c478bd9Sstevel@tonic-gate 43437c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 4344f3b585ceSsamf 4345f3b585ceSsamf out: 4346f3b585ceSsamf DTRACE_NFSV4_2(op__remove__done, struct compound_state *, cs, 4347f3b585ceSsamf REMOVE4res *, resp); 43487c478bd9Sstevel@tonic-gate } 43497c478bd9Sstevel@tonic-gate 43507c478bd9Sstevel@tonic-gate /* 43517c478bd9Sstevel@tonic-gate * rename: args: SAVED_FH: from directory, CURRENT_FH: target directory, 43527c478bd9Sstevel@tonic-gate * oldname and newname. 43537c478bd9Sstevel@tonic-gate * res: status. If success - CURRENT_FH unchanged, return change_info 43547c478bd9Sstevel@tonic-gate * for both from and target directories. 43557c478bd9Sstevel@tonic-gate */ 43567c478bd9Sstevel@tonic-gate /* ARGSUSED */ 43577c478bd9Sstevel@tonic-gate static void 43587c478bd9Sstevel@tonic-gate rfs4_op_rename(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 43597c478bd9Sstevel@tonic-gate struct compound_state *cs) 43607c478bd9Sstevel@tonic-gate { 43617c478bd9Sstevel@tonic-gate RENAME4args *args = &argop->nfs_argop4_u.oprename; 43627c478bd9Sstevel@tonic-gate RENAME4res *resp = &resop->nfs_resop4_u.oprename; 43637c478bd9Sstevel@tonic-gate int error; 43647c478bd9Sstevel@tonic-gate vnode_t *odvp; 43657c478bd9Sstevel@tonic-gate vnode_t *ndvp; 43667c478bd9Sstevel@tonic-gate vnode_t *srcvp, *targvp; 43677c478bd9Sstevel@tonic-gate struct vattr obdva, oidva, oadva; 43687c478bd9Sstevel@tonic-gate struct vattr nbdva, nidva, nadva; 43697c478bd9Sstevel@tonic-gate char *onm, *nnm; 43707c478bd9Sstevel@tonic-gate uint_t olen, nlen; 43717c478bd9Sstevel@tonic-gate rfs4_file_t *fp, *sfp; 43727c478bd9Sstevel@tonic-gate int in_crit_src, in_crit_targ; 43737c478bd9Sstevel@tonic-gate int fp_rele_grant_hold, sfp_rele_grant_hold; 437445916cd2Sjpk bslabel_t *clabel; 4375b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 4376b89a8333Snatalie li - Sun Microsystems - Irvine United States char *converted_onm = NULL; 4377b89a8333Snatalie li - Sun Microsystems - Irvine United States char *converted_nnm = NULL; 437815721462SDaniil Lunev nfsstat4 status; 43797c478bd9Sstevel@tonic-gate 4380f3b585ceSsamf DTRACE_NFSV4_2(op__rename__start, struct compound_state *, cs, 4381f3b585ceSsamf RENAME4args *, args); 4382f3b585ceSsamf 43837c478bd9Sstevel@tonic-gate fp = sfp = NULL; 43847c478bd9Sstevel@tonic-gate srcvp = targvp = NULL; 43857c478bd9Sstevel@tonic-gate in_crit_src = in_crit_targ = 0; 43867c478bd9Sstevel@tonic-gate fp_rele_grant_hold = sfp_rele_grant_hold = 0; 43877c478bd9Sstevel@tonic-gate 43887c478bd9Sstevel@tonic-gate /* CURRENT_FH: target directory */ 43897c478bd9Sstevel@tonic-gate ndvp = cs->vp; 43907c478bd9Sstevel@tonic-gate if (ndvp == NULL) { 43917c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 4392f3b585ceSsamf goto out; 43937c478bd9Sstevel@tonic-gate } 43947c478bd9Sstevel@tonic-gate 43957c478bd9Sstevel@tonic-gate /* SAVED_FH: from directory */ 43967c478bd9Sstevel@tonic-gate odvp = cs->saved_vp; 43977c478bd9Sstevel@tonic-gate if (odvp == NULL) { 43987c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 4399f3b585ceSsamf goto out; 44007c478bd9Sstevel@tonic-gate } 44017c478bd9Sstevel@tonic-gate 44027c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 44037c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 4404f3b585ceSsamf goto out; 44057c478bd9Sstevel@tonic-gate } 44067c478bd9Sstevel@tonic-gate 44077c478bd9Sstevel@tonic-gate /* 44087c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 44097c478bd9Sstevel@tonic-gate * do not allow to rename objects in this directory. 44107c478bd9Sstevel@tonic-gate */ 44117c478bd9Sstevel@tonic-gate if (vn_ismntpt(odvp)) { 44127c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 4413f3b585ceSsamf goto out; 44147c478bd9Sstevel@tonic-gate } 44157c478bd9Sstevel@tonic-gate 44167c478bd9Sstevel@tonic-gate /* 44177c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 44187c478bd9Sstevel@tonic-gate * do not allow to rename to this directory. 44197c478bd9Sstevel@tonic-gate */ 44207c478bd9Sstevel@tonic-gate if (vn_ismntpt(ndvp)) { 44217c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 4422f3b585ceSsamf goto out; 44237c478bd9Sstevel@tonic-gate } 44247c478bd9Sstevel@tonic-gate 44257c478bd9Sstevel@tonic-gate if (odvp->v_type != VDIR || ndvp->v_type != VDIR) { 44267c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOTDIR; 4427f3b585ceSsamf goto out; 44287c478bd9Sstevel@tonic-gate } 44297c478bd9Sstevel@tonic-gate 44307c478bd9Sstevel@tonic-gate if (cs->saved_exi != cs->exi) { 44317c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_XDEV; 4432f3b585ceSsamf goto out; 44337c478bd9Sstevel@tonic-gate } 44347c478bd9Sstevel@tonic-gate 443515721462SDaniil Lunev status = utf8_dir_verify(&args->oldname); 443615721462SDaniil Lunev if (status != NFS4_OK) { 443715721462SDaniil Lunev *cs->statusp = resp->status = status; 4438f3b585ceSsamf goto out; 44397c478bd9Sstevel@tonic-gate } 44407c478bd9Sstevel@tonic-gate 444115721462SDaniil Lunev status = utf8_dir_verify(&args->newname); 444215721462SDaniil Lunev if (status != NFS4_OK) { 444315721462SDaniil Lunev *cs->statusp = resp->status = status; 4444f3b585ceSsamf goto out; 44457c478bd9Sstevel@tonic-gate } 44467c478bd9Sstevel@tonic-gate 44477c478bd9Sstevel@tonic-gate onm = utf8_to_fn(&args->oldname, &olen, NULL); 44487c478bd9Sstevel@tonic-gate if (onm == NULL) { 44497c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 4450f3b585ceSsamf goto out; 44517c478bd9Sstevel@tonic-gate } 4452b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 4453b89a8333Snatalie li - Sun Microsystems - Irvine United States nlen = MAXPATHLEN + 1; 4454b89a8333Snatalie li - Sun Microsystems - Irvine United States converted_onm = nfscmd_convname(ca, cs->exi, onm, NFSCMD_CONV_INBOUND, 4455b89a8333Snatalie li - Sun Microsystems - Irvine United States nlen); 44567c478bd9Sstevel@tonic-gate 4457b89a8333Snatalie li - Sun Microsystems - Irvine United States if (converted_onm == NULL) { 44587c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 44597c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 4460f3b585ceSsamf goto out; 44617c478bd9Sstevel@tonic-gate } 44627c478bd9Sstevel@tonic-gate 4463b89a8333Snatalie li - Sun Microsystems - Irvine United States nnm = utf8_to_fn(&args->newname, &nlen, NULL); 4464b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nnm == NULL) { 4465b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 4466b89a8333Snatalie li - Sun Microsystems - Irvine United States if (onm != converted_onm) 4467b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 4468b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(onm, olen); 4469b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 4470b89a8333Snatalie li - Sun Microsystems - Irvine United States } 4471b89a8333Snatalie li - Sun Microsystems - Irvine United States converted_nnm = nfscmd_convname(ca, cs->exi, nnm, NFSCMD_CONV_INBOUND, 4472b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 4473b89a8333Snatalie li - Sun Microsystems - Irvine United States 4474b89a8333Snatalie li - Sun Microsystems - Irvine United States if (converted_nnm == NULL) { 4475b89a8333Snatalie li - Sun Microsystems - Irvine United States *cs->statusp = resp->status = NFS4ERR_INVAL; 4476b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nnm, nlen); 4477b89a8333Snatalie li - Sun Microsystems - Irvine United States nnm = NULL; 4478b89a8333Snatalie li - Sun Microsystems - Irvine United States if (onm != converted_onm) 4479b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 4480b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(onm, olen); 4481b89a8333Snatalie li - Sun Microsystems - Irvine United States goto out; 4482b89a8333Snatalie li - Sun Microsystems - Irvine United States } 4483b89a8333Snatalie li - Sun Microsystems - Irvine United States 4484b89a8333Snatalie li - Sun Microsystems - Irvine United States 44857c478bd9Sstevel@tonic-gate if (olen > MAXNAMELEN || nlen > MAXNAMELEN) { 44867c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NAMETOOLONG; 44877c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 44887c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 4489f3b585ceSsamf goto out; 44907c478bd9Sstevel@tonic-gate } 44917c478bd9Sstevel@tonic-gate 44927c478bd9Sstevel@tonic-gate 44935cb0d679SMarcel Telka if (rdonly4(req, cs)) { 44947c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 4495b89a8333Snatalie li - Sun Microsystems - Irvine United States if (onm != converted_onm) 4496b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 44977c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 4498b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nnm != converted_nnm) 4499b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_nnm, MAXPATHLEN + 1); 45007c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 4501f3b585ceSsamf goto out; 45027c478bd9Sstevel@tonic-gate } 45037c478bd9Sstevel@tonic-gate 450445916cd2Sjpk /* check label of the target dir */ 450545916cd2Sjpk if (is_system_labeled()) { 450645916cd2Sjpk ASSERT(req->rq_label != NULL); 450745916cd2Sjpk clabel = req->rq_label; 450845916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__oprename__clabel, char *, 450945916cd2Sjpk "got client label from request(1)", 451045916cd2Sjpk struct svc_req *, req); 451145916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 451203986916Sjarrett if (!do_rfs_label_check(clabel, ndvp, 4513bd6f1640SJarrett Lu EQUALITY_CHECK, cs->exi)) { 451445916cd2Sjpk *cs->statusp = resp->status = NFS4ERR_ACCESS; 4515b89a8333Snatalie li - Sun Microsystems - Irvine United States goto err_out; 451645916cd2Sjpk } 451745916cd2Sjpk } 451845916cd2Sjpk } 451945916cd2Sjpk 45207c478bd9Sstevel@tonic-gate /* 45217c478bd9Sstevel@tonic-gate * Is the source a file and have a delegation? 45227c478bd9Sstevel@tonic-gate * We don't need to acquire va_seq before these lookups, if 45237c478bd9Sstevel@tonic-gate * it causes an update, cinfo.before will not match, which will 45247c478bd9Sstevel@tonic-gate * trigger a cache flush even if atomic is TRUE. 45257c478bd9Sstevel@tonic-gate */ 4526b89a8333Snatalie li - Sun Microsystems - Irvine United States if (sfp = rfs4_lookup_and_findfile(odvp, converted_onm, &srcvp, 4527b89a8333Snatalie li - Sun Microsystems - Irvine United States &error, cs->cr)) { 45287c478bd9Sstevel@tonic-gate if (rfs4_check_delegated_byfp(FWRITE, sfp, TRUE, TRUE, TRUE, 45297c478bd9Sstevel@tonic-gate NULL)) { 45307c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_DELAY; 45317c478bd9Sstevel@tonic-gate goto err_out; 45327c478bd9Sstevel@tonic-gate } 45337c478bd9Sstevel@tonic-gate } 45347c478bd9Sstevel@tonic-gate 45357c478bd9Sstevel@tonic-gate if (srcvp == NULL) { 45367c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 4537b89a8333Snatalie li - Sun Microsystems - Irvine United States if (onm != converted_onm) 4538b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 45397c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 4540b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nnm != converted_nnm) 4541bffeae97SMarcel Telka kmem_free(converted_nnm, MAXPATHLEN + 1); 45427c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 4543f3b585ceSsamf goto out; 45447c478bd9Sstevel@tonic-gate } 45457c478bd9Sstevel@tonic-gate 45467c478bd9Sstevel@tonic-gate sfp_rele_grant_hold = 1; 45477c478bd9Sstevel@tonic-gate 45487c478bd9Sstevel@tonic-gate /* Does the destination exist and a file and have a delegation? */ 4549b89a8333Snatalie li - Sun Microsystems - Irvine United States if (fp = rfs4_lookup_and_findfile(ndvp, converted_nnm, &targvp, 4550b89a8333Snatalie li - Sun Microsystems - Irvine United States NULL, cs->cr)) { 45517c478bd9Sstevel@tonic-gate if (rfs4_check_delegated_byfp(FWRITE, fp, TRUE, TRUE, TRUE, 45527c478bd9Sstevel@tonic-gate NULL)) { 45537c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_DELAY; 45547c478bd9Sstevel@tonic-gate goto err_out; 45557c478bd9Sstevel@tonic-gate } 45567c478bd9Sstevel@tonic-gate } 45577c478bd9Sstevel@tonic-gate fp_rele_grant_hold = 1; 45587c478bd9Sstevel@tonic-gate 45597c478bd9Sstevel@tonic-gate 45607c478bd9Sstevel@tonic-gate /* Check for NBMAND lock on both source and target */ 45617c478bd9Sstevel@tonic-gate if (nbl_need_check(srcvp)) { 45627c478bd9Sstevel@tonic-gate nbl_start_crit(srcvp, RW_READER); 45637c478bd9Sstevel@tonic-gate in_crit_src = 1; 4564da6c28aaSamw if (nbl_conflict(srcvp, NBL_RENAME, 0, 0, 0, NULL)) { 45657c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_FILE_OPEN; 45667c478bd9Sstevel@tonic-gate goto err_out; 45677c478bd9Sstevel@tonic-gate } 45687c478bd9Sstevel@tonic-gate } 45697c478bd9Sstevel@tonic-gate 45707c478bd9Sstevel@tonic-gate if (targvp && nbl_need_check(targvp)) { 45717c478bd9Sstevel@tonic-gate nbl_start_crit(targvp, RW_READER); 45727c478bd9Sstevel@tonic-gate in_crit_targ = 1; 4573da6c28aaSamw if (nbl_conflict(targvp, NBL_REMOVE, 0, 0, 0, NULL)) { 45747c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_FILE_OPEN; 45757c478bd9Sstevel@tonic-gate goto err_out; 45767c478bd9Sstevel@tonic-gate } 45777c478bd9Sstevel@tonic-gate } 45787c478bd9Sstevel@tonic-gate 45797c478bd9Sstevel@tonic-gate /* Get source "before" change value */ 45807c478bd9Sstevel@tonic-gate obdva.va_mask = AT_CTIME|AT_SEQ; 4581da6c28aaSamw error = VOP_GETATTR(odvp, &obdva, 0, cs->cr, NULL); 45827c478bd9Sstevel@tonic-gate if (!error) { 45837c478bd9Sstevel@tonic-gate nbdva.va_mask = AT_CTIME|AT_SEQ; 4584da6c28aaSamw error = VOP_GETATTR(ndvp, &nbdva, 0, cs->cr, NULL); 45857c478bd9Sstevel@tonic-gate } 45867c478bd9Sstevel@tonic-gate if (error) { 45877c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 45887c478bd9Sstevel@tonic-gate goto err_out; 45897c478bd9Sstevel@tonic-gate } 45907c478bd9Sstevel@tonic-gate 45917c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->source_cinfo.before, obdva.va_ctime) 45927c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->target_cinfo.before, nbdva.va_ctime) 45937c478bd9Sstevel@tonic-gate 4594b89a8333Snatalie li - Sun Microsystems - Irvine United States if ((error = VOP_RENAME(odvp, converted_onm, ndvp, converted_nnm, 4595b89a8333Snatalie li - Sun Microsystems - Irvine United States cs->cr, NULL, 0)) == 0 && fp != NULL) { 45967c478bd9Sstevel@tonic-gate struct vattr va; 4597418d27f3Sshepler vnode_t *tvp; 45987c478bd9Sstevel@tonic-gate 4599d216dff5SRobert Mastors rfs4_dbe_lock(fp->rf_dbe); 4600d216dff5SRobert Mastors tvp = fp->rf_vp; 4601418d27f3Sshepler if (tvp) 4602418d27f3Sshepler VN_HOLD(tvp); 4603d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 4604418d27f3Sshepler 4605418d27f3Sshepler if (tvp) { 46067c478bd9Sstevel@tonic-gate va.va_mask = AT_NLINK; 4607da6c28aaSamw if (!VOP_GETATTR(tvp, &va, 0, cs->cr, NULL) && 46087c478bd9Sstevel@tonic-gate va.va_nlink == 0) { 46097c478bd9Sstevel@tonic-gate /* The file is gone and so should the state */ 46107c478bd9Sstevel@tonic-gate if (in_crit_targ) { 46117c478bd9Sstevel@tonic-gate nbl_end_crit(targvp); 46127c478bd9Sstevel@tonic-gate in_crit_targ = 0; 46137c478bd9Sstevel@tonic-gate } 46147c478bd9Sstevel@tonic-gate rfs4_close_all_state(fp); 46157c478bd9Sstevel@tonic-gate } 4616418d27f3Sshepler VN_RELE(tvp); 4617418d27f3Sshepler } 46187c478bd9Sstevel@tonic-gate } 461951ece835Seschrock if (error == 0) 462051ece835Seschrock vn_renamepath(ndvp, srcvp, nnm, nlen - 1); 46217c478bd9Sstevel@tonic-gate 46227c478bd9Sstevel@tonic-gate if (in_crit_src) 46237c478bd9Sstevel@tonic-gate nbl_end_crit(srcvp); 46247c478bd9Sstevel@tonic-gate if (srcvp) 46257c478bd9Sstevel@tonic-gate VN_RELE(srcvp); 46267c478bd9Sstevel@tonic-gate if (in_crit_targ) 46277c478bd9Sstevel@tonic-gate nbl_end_crit(targvp); 46287c478bd9Sstevel@tonic-gate if (targvp) 46297c478bd9Sstevel@tonic-gate VN_RELE(targvp); 46307c478bd9Sstevel@tonic-gate 46317c478bd9Sstevel@tonic-gate if (sfp) { 46327c478bd9Sstevel@tonic-gate rfs4_clear_dont_grant(sfp); 46337c478bd9Sstevel@tonic-gate rfs4_file_rele(sfp); 46347c478bd9Sstevel@tonic-gate } 46357c478bd9Sstevel@tonic-gate if (fp) { 46367c478bd9Sstevel@tonic-gate rfs4_clear_dont_grant(fp); 46377c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 46387c478bd9Sstevel@tonic-gate } 46397c478bd9Sstevel@tonic-gate 4640b89a8333Snatalie li - Sun Microsystems - Irvine United States if (converted_onm != onm) 4641b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 46427c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 4643b89a8333Snatalie li - Sun Microsystems - Irvine United States if (converted_nnm != nnm) 4644b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_nnm, MAXPATHLEN + 1); 46457c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 46467c478bd9Sstevel@tonic-gate 46477c478bd9Sstevel@tonic-gate /* 46487c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, set to zero 46497c478bd9Sstevel@tonic-gate */ 46507c478bd9Sstevel@tonic-gate oidva.va_mask = AT_SEQ; 4651da6c28aaSamw if (VOP_GETATTR(odvp, &oidva, 0, cs->cr, NULL)) 46527c478bd9Sstevel@tonic-gate oidva.va_seq = 0; 46537c478bd9Sstevel@tonic-gate 46547c478bd9Sstevel@tonic-gate nidva.va_mask = AT_SEQ; 4655da6c28aaSamw if (VOP_GETATTR(ndvp, &nidva, 0, cs->cr, NULL)) 46567c478bd9Sstevel@tonic-gate nidva.va_seq = 0; 46577c478bd9Sstevel@tonic-gate 46587c478bd9Sstevel@tonic-gate /* 46597c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 46607c478bd9Sstevel@tonic-gate */ 4661da6c28aaSamw (void) VOP_FSYNC(odvp, 0, cs->cr, NULL); 4662da6c28aaSamw (void) VOP_FSYNC(ndvp, 0, cs->cr, NULL); 46637c478bd9Sstevel@tonic-gate 46647c478bd9Sstevel@tonic-gate if (error) { 46657c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 4666f3b585ceSsamf goto out; 46677c478bd9Sstevel@tonic-gate } 46687c478bd9Sstevel@tonic-gate 46697c478bd9Sstevel@tonic-gate /* 46707c478bd9Sstevel@tonic-gate * Get "after" change values, if it fails, simply return the 46717c478bd9Sstevel@tonic-gate * before value. 46727c478bd9Sstevel@tonic-gate */ 46737c478bd9Sstevel@tonic-gate oadva.va_mask = AT_CTIME|AT_SEQ; 4674da6c28aaSamw if (VOP_GETATTR(odvp, &oadva, 0, cs->cr, NULL)) { 46757c478bd9Sstevel@tonic-gate oadva.va_ctime = obdva.va_ctime; 46767c478bd9Sstevel@tonic-gate oadva.va_seq = 0; 46777c478bd9Sstevel@tonic-gate } 46787c478bd9Sstevel@tonic-gate 46797c478bd9Sstevel@tonic-gate nadva.va_mask = AT_CTIME|AT_SEQ; 4680da6c28aaSamw if (VOP_GETATTR(odvp, &nadva, 0, cs->cr, NULL)) { 46817c478bd9Sstevel@tonic-gate nadva.va_ctime = nbdva.va_ctime; 46827c478bd9Sstevel@tonic-gate nadva.va_seq = 0; 46837c478bd9Sstevel@tonic-gate } 46847c478bd9Sstevel@tonic-gate 46857c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->source_cinfo.after, oadva.va_ctime) 46867c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(resp->target_cinfo.after, nadva.va_ctime) 46877c478bd9Sstevel@tonic-gate 46887c478bd9Sstevel@tonic-gate /* 46897c478bd9Sstevel@tonic-gate * The cinfo.atomic = TRUE only if we have 46907c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 46917c478bd9Sstevel@tonic-gate * during the VOP_RENAME and it didn't change during the VOP_FSYNC. 46927c478bd9Sstevel@tonic-gate */ 46937c478bd9Sstevel@tonic-gate if (obdva.va_seq && oidva.va_seq && oadva.va_seq && 46941b300de9Sjwahlig oidva.va_seq == (obdva.va_seq + 1) && oidva.va_seq == oadva.va_seq) 46957c478bd9Sstevel@tonic-gate resp->source_cinfo.atomic = TRUE; 46967c478bd9Sstevel@tonic-gate else 46977c478bd9Sstevel@tonic-gate resp->source_cinfo.atomic = FALSE; 46987c478bd9Sstevel@tonic-gate 46997c478bd9Sstevel@tonic-gate if (nbdva.va_seq && nidva.va_seq && nadva.va_seq && 47001b300de9Sjwahlig nidva.va_seq == (nbdva.va_seq + 1) && nidva.va_seq == nadva.va_seq) 47017c478bd9Sstevel@tonic-gate resp->target_cinfo.atomic = TRUE; 47027c478bd9Sstevel@tonic-gate else 47037c478bd9Sstevel@tonic-gate resp->target_cinfo.atomic = FALSE; 47047c478bd9Sstevel@tonic-gate 47057c478bd9Sstevel@tonic-gate #ifdef VOLATILE_FH_TEST 47067c478bd9Sstevel@tonic-gate { 47077c478bd9Sstevel@tonic-gate extern void add_volrnm_fh(struct exportinfo *, vnode_t *); 47087c478bd9Sstevel@tonic-gate 47097c478bd9Sstevel@tonic-gate /* 47107c478bd9Sstevel@tonic-gate * Add the renamed file handle to the volatile rename list 47117c478bd9Sstevel@tonic-gate */ 47127c478bd9Sstevel@tonic-gate if (cs->exi->exi_export.ex_flags & EX_VOLRNM) { 47137c478bd9Sstevel@tonic-gate /* file handles may expire on rename */ 47147c478bd9Sstevel@tonic-gate vnode_t *vp; 47157c478bd9Sstevel@tonic-gate 47167c478bd9Sstevel@tonic-gate nnm = utf8_to_fn(&args->newname, &nlen, NULL); 47177c478bd9Sstevel@tonic-gate /* 47187c478bd9Sstevel@tonic-gate * Already know that nnm will be a valid string 47197c478bd9Sstevel@tonic-gate */ 4720da6c28aaSamw error = VOP_LOOKUP(ndvp, nnm, &vp, NULL, 0, NULL, cs->cr, 4721da6c28aaSamw NULL, NULL, NULL); 47227c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 47237c478bd9Sstevel@tonic-gate if (!error) { 47247c478bd9Sstevel@tonic-gate add_volrnm_fh(cs->exi, vp); 47257c478bd9Sstevel@tonic-gate VN_RELE(vp); 47267c478bd9Sstevel@tonic-gate } 47277c478bd9Sstevel@tonic-gate } 47287c478bd9Sstevel@tonic-gate } 47297c478bd9Sstevel@tonic-gate #endif /* VOLATILE_FH_TEST */ 47307c478bd9Sstevel@tonic-gate 47317c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 4732f3b585ceSsamf out: 4733f3b585ceSsamf DTRACE_NFSV4_2(op__rename__done, struct compound_state *, cs, 4734f3b585ceSsamf RENAME4res *, resp); 47357c478bd9Sstevel@tonic-gate return; 47367c478bd9Sstevel@tonic-gate 47377c478bd9Sstevel@tonic-gate err_out: 4738b89a8333Snatalie li - Sun Microsystems - Irvine United States if (onm != converted_onm) 4739b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_onm, MAXPATHLEN + 1); 4740b89a8333Snatalie li - Sun Microsystems - Irvine United States if (onm != NULL) 47417c478bd9Sstevel@tonic-gate kmem_free(onm, olen); 4742b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nnm != converted_nnm) 4743b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(converted_nnm, MAXPATHLEN + 1); 4744b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nnm != NULL) 47457c478bd9Sstevel@tonic-gate kmem_free(nnm, nlen); 47467c478bd9Sstevel@tonic-gate 47477c478bd9Sstevel@tonic-gate if (in_crit_src) nbl_end_crit(srcvp); 47487c478bd9Sstevel@tonic-gate if (in_crit_targ) nbl_end_crit(targvp); 47497c478bd9Sstevel@tonic-gate if (targvp) VN_RELE(targvp); 47507c478bd9Sstevel@tonic-gate if (srcvp) VN_RELE(srcvp); 47517c478bd9Sstevel@tonic-gate if (sfp) { 47527c478bd9Sstevel@tonic-gate if (sfp_rele_grant_hold) rfs4_clear_dont_grant(sfp); 47537c478bd9Sstevel@tonic-gate rfs4_file_rele(sfp); 47547c478bd9Sstevel@tonic-gate } 47557c478bd9Sstevel@tonic-gate if (fp) { 47567c478bd9Sstevel@tonic-gate if (fp_rele_grant_hold) rfs4_clear_dont_grant(fp); 47577c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 47587c478bd9Sstevel@tonic-gate } 4759f3b585ceSsamf 4760f3b585ceSsamf DTRACE_NFSV4_2(op__rename__done, struct compound_state *, cs, 4761f3b585ceSsamf RENAME4res *, resp); 47627c478bd9Sstevel@tonic-gate } 47637c478bd9Sstevel@tonic-gate 47647c478bd9Sstevel@tonic-gate /* ARGSUSED */ 47657c478bd9Sstevel@tonic-gate static void 47667c478bd9Sstevel@tonic-gate rfs4_op_renew(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 47677c478bd9Sstevel@tonic-gate struct compound_state *cs) 47687c478bd9Sstevel@tonic-gate { 47697c478bd9Sstevel@tonic-gate RENEW4args *args = &argop->nfs_argop4_u.oprenew; 47707c478bd9Sstevel@tonic-gate RENEW4res *resp = &resop->nfs_resop4_u.oprenew; 47717c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 47727c478bd9Sstevel@tonic-gate 4773f3b585ceSsamf DTRACE_NFSV4_2(op__renew__start, struct compound_state *, cs, 4774f3b585ceSsamf RENEW4args *, args); 4775f3b585ceSsamf 47767c478bd9Sstevel@tonic-gate if ((cp = rfs4_findclient_by_id(args->clientid, FALSE)) == NULL) { 47777c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 47787c478bd9Sstevel@tonic-gate rfs4_check_clientid(&args->clientid, 0); 4779f3b585ceSsamf goto out; 47807c478bd9Sstevel@tonic-gate } 47817c478bd9Sstevel@tonic-gate 47827c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 47837c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 47847c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 4785f3b585ceSsamf goto out; 47867c478bd9Sstevel@tonic-gate } 47877c478bd9Sstevel@tonic-gate 47887c478bd9Sstevel@tonic-gate rfs4_update_lease(cp); 47897c478bd9Sstevel@tonic-gate 4790d216dff5SRobert Mastors mutex_enter(cp->rc_cbinfo.cb_lock); 4791d216dff5SRobert Mastors if (cp->rc_cbinfo.cb_notified_of_cb_path_down == FALSE) { 4792d216dff5SRobert Mastors cp->rc_cbinfo.cb_notified_of_cb_path_down = TRUE; 47937c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_CB_PATH_DOWN; 47947c478bd9Sstevel@tonic-gate } else { 47957c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 47967c478bd9Sstevel@tonic-gate } 4797d216dff5SRobert Mastors mutex_exit(cp->rc_cbinfo.cb_lock); 47987c478bd9Sstevel@tonic-gate 47997c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 48007c478bd9Sstevel@tonic-gate 4801f3b585ceSsamf out: 4802f3b585ceSsamf DTRACE_NFSV4_2(op__renew__done, struct compound_state *, cs, 4803f3b585ceSsamf RENEW4res *, resp); 48047c478bd9Sstevel@tonic-gate } 48057c478bd9Sstevel@tonic-gate 48067c478bd9Sstevel@tonic-gate /* ARGSUSED */ 48077c478bd9Sstevel@tonic-gate static void 48087c478bd9Sstevel@tonic-gate rfs4_op_restorefh(nfs_argop4 *args, nfs_resop4 *resop, struct svc_req *req, 48097c478bd9Sstevel@tonic-gate struct compound_state *cs) 48107c478bd9Sstevel@tonic-gate { 48117c478bd9Sstevel@tonic-gate RESTOREFH4res *resp = &resop->nfs_resop4_u.oprestorefh; 48127c478bd9Sstevel@tonic-gate 4813f3b585ceSsamf DTRACE_NFSV4_1(op__restorefh__start, struct compound_state *, cs); 4814f3b585ceSsamf 48157c478bd9Sstevel@tonic-gate /* No need to check cs->access - we are not accessing any object */ 48167c478bd9Sstevel@tonic-gate if ((cs->saved_vp == NULL) || (cs->saved_fh.nfs_fh4_val == NULL)) { 48177c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_RESTOREFH; 4818f3b585ceSsamf goto out; 48197c478bd9Sstevel@tonic-gate } 48207c478bd9Sstevel@tonic-gate if (cs->vp != NULL) { 48217c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 48227c478bd9Sstevel@tonic-gate } 48237c478bd9Sstevel@tonic-gate cs->vp = cs->saved_vp; 48247c478bd9Sstevel@tonic-gate cs->saved_vp = NULL; 48257c478bd9Sstevel@tonic-gate cs->exi = cs->saved_exi; 48267c478bd9Sstevel@tonic-gate nfs_fh4_copy(&cs->saved_fh, &cs->fh); 48277c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 48287c478bd9Sstevel@tonic-gate cs->deleg = FALSE; 4829f3b585ceSsamf 4830f3b585ceSsamf out: 4831f3b585ceSsamf DTRACE_NFSV4_2(op__restorefh__done, struct compound_state *, cs, 4832f3b585ceSsamf RESTOREFH4res *, resp); 48337c478bd9Sstevel@tonic-gate } 48347c478bd9Sstevel@tonic-gate 48357c478bd9Sstevel@tonic-gate /* ARGSUSED */ 48367c478bd9Sstevel@tonic-gate static void 48377c478bd9Sstevel@tonic-gate rfs4_op_savefh(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 48387c478bd9Sstevel@tonic-gate struct compound_state *cs) 48397c478bd9Sstevel@tonic-gate { 48407c478bd9Sstevel@tonic-gate SAVEFH4res *resp = &resop->nfs_resop4_u.opsavefh; 48417c478bd9Sstevel@tonic-gate 4842f3b585ceSsamf DTRACE_NFSV4_1(op__savefh__start, struct compound_state *, cs); 4843f3b585ceSsamf 48447c478bd9Sstevel@tonic-gate /* No need to check cs->access - we are not accessing any object */ 48457c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 48467c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 4847f3b585ceSsamf goto out; 48487c478bd9Sstevel@tonic-gate } 48497c478bd9Sstevel@tonic-gate if (cs->saved_vp != NULL) { 48507c478bd9Sstevel@tonic-gate VN_RELE(cs->saved_vp); 48517c478bd9Sstevel@tonic-gate } 48527c478bd9Sstevel@tonic-gate cs->saved_vp = cs->vp; 48537c478bd9Sstevel@tonic-gate VN_HOLD(cs->saved_vp); 48547c478bd9Sstevel@tonic-gate cs->saved_exi = cs->exi; 48557c478bd9Sstevel@tonic-gate /* 48567c478bd9Sstevel@tonic-gate * since SAVEFH is fairly rare, don't alloc space for its fh 48577c478bd9Sstevel@tonic-gate * unless necessary. 48587c478bd9Sstevel@tonic-gate */ 48597c478bd9Sstevel@tonic-gate if (cs->saved_fh.nfs_fh4_val == NULL) { 48607c478bd9Sstevel@tonic-gate cs->saved_fh.nfs_fh4_val = kmem_alloc(NFS4_FHSIZE, KM_SLEEP); 48617c478bd9Sstevel@tonic-gate } 48627c478bd9Sstevel@tonic-gate nfs_fh4_copy(&cs->fh, &cs->saved_fh); 48637c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 4864f3b585ceSsamf 4865f3b585ceSsamf out: 4866f3b585ceSsamf DTRACE_NFSV4_2(op__savefh__done, struct compound_state *, cs, 4867f3b585ceSsamf SAVEFH4res *, resp); 48687c478bd9Sstevel@tonic-gate } 48697c478bd9Sstevel@tonic-gate 48707c478bd9Sstevel@tonic-gate /* 48717c478bd9Sstevel@tonic-gate * rfs4_verify_attr is called when nfsv4 Setattr failed, but we wish to 48727c478bd9Sstevel@tonic-gate * return the bitmap of attrs that were set successfully. It is also 48737c478bd9Sstevel@tonic-gate * called by Verify/Nverify to test the vattr/vfsstat attrs. It should 48747c478bd9Sstevel@tonic-gate * always be called only after rfs4_do_set_attrs(). 48757c478bd9Sstevel@tonic-gate * 48767c478bd9Sstevel@tonic-gate * Verify that the attributes are same as the expected ones. sargp->vap 48777c478bd9Sstevel@tonic-gate * and sargp->sbp contain the input attributes as translated from fattr4. 48787c478bd9Sstevel@tonic-gate * 48797c478bd9Sstevel@tonic-gate * This function verifies only the attrs that correspond to a vattr or 48807c478bd9Sstevel@tonic-gate * vfsstat struct. That is because of the extra step needed to get the 48817c478bd9Sstevel@tonic-gate * corresponding system structs. Other attributes have already been set or 48827c478bd9Sstevel@tonic-gate * verified by do_rfs4_set_attrs. 48837c478bd9Sstevel@tonic-gate * 48847c478bd9Sstevel@tonic-gate * Return 0 if all attrs match, -1 if some don't, error if error processing. 48857c478bd9Sstevel@tonic-gate */ 48867c478bd9Sstevel@tonic-gate static int 48877c478bd9Sstevel@tonic-gate rfs4_verify_attr(struct nfs4_svgetit_arg *sargp, 48887c478bd9Sstevel@tonic-gate bitmap4 *resp, struct nfs4_ntov_table *ntovp) 48897c478bd9Sstevel@tonic-gate { 48907c478bd9Sstevel@tonic-gate int error, ret_error = 0; 48917c478bd9Sstevel@tonic-gate int i, k; 48927c478bd9Sstevel@tonic-gate uint_t sva_mask = sargp->vap->va_mask; 48937c478bd9Sstevel@tonic-gate uint_t vbit; 48947c478bd9Sstevel@tonic-gate union nfs4_attr_u *na; 48957c478bd9Sstevel@tonic-gate uint8_t *amap; 48967c478bd9Sstevel@tonic-gate bool_t getsb = ntovp->vfsstat; 48977c478bd9Sstevel@tonic-gate 48987c478bd9Sstevel@tonic-gate if (sva_mask != 0) { 48997c478bd9Sstevel@tonic-gate /* 49007c478bd9Sstevel@tonic-gate * Okay to overwrite sargp->vap because we verify based 49017c478bd9Sstevel@tonic-gate * on the incoming values. 49027c478bd9Sstevel@tonic-gate */ 49037c478bd9Sstevel@tonic-gate ret_error = VOP_GETATTR(sargp->cs->vp, sargp->vap, 0, 4904da6c28aaSamw sargp->cs->cr, NULL); 49057c478bd9Sstevel@tonic-gate if (ret_error) { 49067c478bd9Sstevel@tonic-gate if (resp == NULL) 49077c478bd9Sstevel@tonic-gate return (ret_error); 49087c478bd9Sstevel@tonic-gate /* 49097c478bd9Sstevel@tonic-gate * Must return bitmap of successful attrs 49107c478bd9Sstevel@tonic-gate */ 49117c478bd9Sstevel@tonic-gate sva_mask = 0; /* to prevent checking vap later */ 49127c478bd9Sstevel@tonic-gate } else { 49137c478bd9Sstevel@tonic-gate /* 49147c478bd9Sstevel@tonic-gate * Some file systems clobber va_mask. it is probably 49157c478bd9Sstevel@tonic-gate * wrong of them to do so, nonethless we practice 49167c478bd9Sstevel@tonic-gate * defensive coding. 49177c478bd9Sstevel@tonic-gate * See bug id 4276830. 49187c478bd9Sstevel@tonic-gate */ 49197c478bd9Sstevel@tonic-gate sargp->vap->va_mask = sva_mask; 49207c478bd9Sstevel@tonic-gate } 49217c478bd9Sstevel@tonic-gate } 49227c478bd9Sstevel@tonic-gate 49237c478bd9Sstevel@tonic-gate if (getsb) { 49247c478bd9Sstevel@tonic-gate /* 49257c478bd9Sstevel@tonic-gate * Now get the superblock and loop on the bitmap, as there is 49267c478bd9Sstevel@tonic-gate * no simple way of translating from superblock to bitmap4. 49277c478bd9Sstevel@tonic-gate */ 49287c478bd9Sstevel@tonic-gate ret_error = VFS_STATVFS(sargp->cs->vp->v_vfsp, sargp->sbp); 49297c478bd9Sstevel@tonic-gate if (ret_error) { 49307c478bd9Sstevel@tonic-gate if (resp == NULL) 49317c478bd9Sstevel@tonic-gate goto errout; 49327c478bd9Sstevel@tonic-gate getsb = FALSE; 49337c478bd9Sstevel@tonic-gate } 49347c478bd9Sstevel@tonic-gate } 49357c478bd9Sstevel@tonic-gate 49367c478bd9Sstevel@tonic-gate /* 49377c478bd9Sstevel@tonic-gate * Now loop and verify each attribute which getattr returned 49387c478bd9Sstevel@tonic-gate * whether it's the same as the input. 49397c478bd9Sstevel@tonic-gate */ 49407c478bd9Sstevel@tonic-gate if (resp == NULL && !getsb && (sva_mask == 0)) 49417c478bd9Sstevel@tonic-gate goto errout; 49427c478bd9Sstevel@tonic-gate 49437c478bd9Sstevel@tonic-gate na = ntovp->na; 49447c478bd9Sstevel@tonic-gate amap = ntovp->amap; 49457c478bd9Sstevel@tonic-gate k = 0; 49467c478bd9Sstevel@tonic-gate for (i = 0; i < ntovp->attrcnt; i++, na++, amap++) { 49477c478bd9Sstevel@tonic-gate k = *amap; 49487c478bd9Sstevel@tonic-gate ASSERT(nfs4_ntov_map[k].nval == k); 49497c478bd9Sstevel@tonic-gate vbit = nfs4_ntov_map[k].vbit; 49507c478bd9Sstevel@tonic-gate 49517c478bd9Sstevel@tonic-gate /* 49527c478bd9Sstevel@tonic-gate * If vattr attribute but VOP_GETATTR failed, or it's 49537c478bd9Sstevel@tonic-gate * superblock attribute but VFS_STATVFS failed, skip 49547c478bd9Sstevel@tonic-gate */ 49557c478bd9Sstevel@tonic-gate if (vbit) { 49567c478bd9Sstevel@tonic-gate if ((vbit & sva_mask) == 0) 49577c478bd9Sstevel@tonic-gate continue; 49587c478bd9Sstevel@tonic-gate } else if (!(getsb && nfs4_ntov_map[k].vfsstat)) { 49597c478bd9Sstevel@tonic-gate continue; 49607c478bd9Sstevel@tonic-gate } 49611b300de9Sjwahlig error = (*nfs4_ntov_map[k].sv_getit)(NFS4ATTR_VERIT, sargp, na); 49627c478bd9Sstevel@tonic-gate if (resp != NULL) { 49637c478bd9Sstevel@tonic-gate if (error) 49647c478bd9Sstevel@tonic-gate ret_error = -1; /* not all match */ 49657c478bd9Sstevel@tonic-gate else /* update response bitmap */ 49667c478bd9Sstevel@tonic-gate *resp |= nfs4_ntov_map[k].fbit; 49677c478bd9Sstevel@tonic-gate continue; 49687c478bd9Sstevel@tonic-gate } 49697c478bd9Sstevel@tonic-gate if (error) { 49707c478bd9Sstevel@tonic-gate ret_error = -1; /* not all match */ 49717c478bd9Sstevel@tonic-gate break; 49727c478bd9Sstevel@tonic-gate } 49737c478bd9Sstevel@tonic-gate } 49747c478bd9Sstevel@tonic-gate errout: 49757c478bd9Sstevel@tonic-gate return (ret_error); 49767c478bd9Sstevel@tonic-gate } 49777c478bd9Sstevel@tonic-gate 49787c478bd9Sstevel@tonic-gate /* 49797c478bd9Sstevel@tonic-gate * Decode the attribute to be set/verified. If the attr requires a sys op 49807c478bd9Sstevel@tonic-gate * (VOP_GETATTR, VFS_VFSSTAT), and the request is to verify, then don't 49817c478bd9Sstevel@tonic-gate * call the sv_getit function for it, because the sys op hasn't yet been done. 49827c478bd9Sstevel@tonic-gate * Return 0 for success, error code if failed. 49837c478bd9Sstevel@tonic-gate * 49847c478bd9Sstevel@tonic-gate * Note: the decoded arg is not freed here but in nfs4_ntov_table_free. 49857c478bd9Sstevel@tonic-gate */ 49867c478bd9Sstevel@tonic-gate static int 49877c478bd9Sstevel@tonic-gate decode_fattr4_attr(nfs4_attr_cmd_t cmd, struct nfs4_svgetit_arg *sargp, 49887c478bd9Sstevel@tonic-gate int k, XDR *xdrp, bitmap4 *resp_bval, union nfs4_attr_u *nap) 49897c478bd9Sstevel@tonic-gate { 49907c478bd9Sstevel@tonic-gate int error = 0; 49917c478bd9Sstevel@tonic-gate bool_t set_later; 49927c478bd9Sstevel@tonic-gate 49937c478bd9Sstevel@tonic-gate sargp->vap->va_mask |= nfs4_ntov_map[k].vbit; 49947c478bd9Sstevel@tonic-gate 49957c478bd9Sstevel@tonic-gate if ((*nfs4_ntov_map[k].xfunc)(xdrp, nap)) { 49967c478bd9Sstevel@tonic-gate set_later = nfs4_ntov_map[k].vbit || nfs4_ntov_map[k].vfsstat; 49977c478bd9Sstevel@tonic-gate /* 49987c478bd9Sstevel@tonic-gate * don't verify yet if a vattr or sb dependent attr, 49997c478bd9Sstevel@tonic-gate * because we don't have their sys values yet. 50007c478bd9Sstevel@tonic-gate * Will be done later. 50017c478bd9Sstevel@tonic-gate */ 50027c478bd9Sstevel@tonic-gate if (! (set_later && (cmd == NFS4ATTR_VERIT))) { 50037c478bd9Sstevel@tonic-gate /* 50047c478bd9Sstevel@tonic-gate * ACLs are a special case, since setting the MODE 50057c478bd9Sstevel@tonic-gate * conflicts with setting the ACL. We delay setting 50067c478bd9Sstevel@tonic-gate * the ACL until all other attributes have been set. 50077c478bd9Sstevel@tonic-gate * The ACL gets set in do_rfs4_op_setattr(). 50087c478bd9Sstevel@tonic-gate */ 50097c478bd9Sstevel@tonic-gate if (nfs4_ntov_map[k].fbit != FATTR4_ACL_MASK) { 50107c478bd9Sstevel@tonic-gate error = (*nfs4_ntov_map[k].sv_getit)(cmd, 50117c478bd9Sstevel@tonic-gate sargp, nap); 50127c478bd9Sstevel@tonic-gate if (error) { 50137c478bd9Sstevel@tonic-gate xdr_free(nfs4_ntov_map[k].xfunc, 50147c478bd9Sstevel@tonic-gate (caddr_t)nap); 50157c478bd9Sstevel@tonic-gate } 50167c478bd9Sstevel@tonic-gate } 50177c478bd9Sstevel@tonic-gate } 50187c478bd9Sstevel@tonic-gate } else { 50197c478bd9Sstevel@tonic-gate #ifdef DEBUG 50207c478bd9Sstevel@tonic-gate cmn_err(CE_NOTE, "decode_fattr4_attr: error " 50217c478bd9Sstevel@tonic-gate "decoding attribute %d\n", k); 50227c478bd9Sstevel@tonic-gate #endif 50237c478bd9Sstevel@tonic-gate error = EINVAL; 50247c478bd9Sstevel@tonic-gate } 50257c478bd9Sstevel@tonic-gate if (!error && resp_bval && !set_later) { 50267c478bd9Sstevel@tonic-gate *resp_bval |= nfs4_ntov_map[k].fbit; 50277c478bd9Sstevel@tonic-gate } 50287c478bd9Sstevel@tonic-gate 50297c478bd9Sstevel@tonic-gate return (error); 50307c478bd9Sstevel@tonic-gate } 50317c478bd9Sstevel@tonic-gate 50327c478bd9Sstevel@tonic-gate /* 50337c478bd9Sstevel@tonic-gate * Set vattr based on incoming fattr4 attrs - used by setattr. 50347c478bd9Sstevel@tonic-gate * Set response mask. Ignore any values that are not writable vattr attrs. 50357c478bd9Sstevel@tonic-gate */ 50367c478bd9Sstevel@tonic-gate static nfsstat4 50377c478bd9Sstevel@tonic-gate do_rfs4_set_attrs(bitmap4 *resp, fattr4 *fattrp, struct compound_state *cs, 50387c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg *sargp, struct nfs4_ntov_table *ntovp, 50397c478bd9Sstevel@tonic-gate nfs4_attr_cmd_t cmd) 50407c478bd9Sstevel@tonic-gate { 50417c478bd9Sstevel@tonic-gate int error = 0; 50427c478bd9Sstevel@tonic-gate int i; 50437c478bd9Sstevel@tonic-gate char *attrs = fattrp->attrlist4; 50447c478bd9Sstevel@tonic-gate uint32_t attrslen = fattrp->attrlist4_len; 50457c478bd9Sstevel@tonic-gate XDR xdr; 50467c478bd9Sstevel@tonic-gate nfsstat4 status = NFS4_OK; 50477c478bd9Sstevel@tonic-gate vnode_t *vp = cs->vp; 50487c478bd9Sstevel@tonic-gate union nfs4_attr_u *na; 50497c478bd9Sstevel@tonic-gate uint8_t *amap; 50507c478bd9Sstevel@tonic-gate 50517c478bd9Sstevel@tonic-gate #ifndef lint 50527c478bd9Sstevel@tonic-gate /* 50537c478bd9Sstevel@tonic-gate * Make sure that maximum attribute number can be expressed as an 50547c478bd9Sstevel@tonic-gate * 8 bit quantity. 50557c478bd9Sstevel@tonic-gate */ 50567c478bd9Sstevel@tonic-gate ASSERT(NFS4_MAXNUM_ATTRS <= (UINT8_MAX + 1)); 50577c478bd9Sstevel@tonic-gate #endif 50587c478bd9Sstevel@tonic-gate 50597c478bd9Sstevel@tonic-gate if (vp == NULL) { 50607c478bd9Sstevel@tonic-gate if (resp) 50617c478bd9Sstevel@tonic-gate *resp = 0; 50627c478bd9Sstevel@tonic-gate return (NFS4ERR_NOFILEHANDLE); 50637c478bd9Sstevel@tonic-gate } 50647c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 50657c478bd9Sstevel@tonic-gate if (resp) 50667c478bd9Sstevel@tonic-gate *resp = 0; 50677c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 50687c478bd9Sstevel@tonic-gate } 50697c478bd9Sstevel@tonic-gate 50707c478bd9Sstevel@tonic-gate sargp->op = cmd; 50717c478bd9Sstevel@tonic-gate sargp->cs = cs; 50727c478bd9Sstevel@tonic-gate sargp->flag = 0; /* may be set later */ 50737c478bd9Sstevel@tonic-gate sargp->vap->va_mask = 0; 50747c478bd9Sstevel@tonic-gate sargp->rdattr_error = NFS4_OK; 50757c478bd9Sstevel@tonic-gate sargp->rdattr_error_req = FALSE; 50767c478bd9Sstevel@tonic-gate /* sargp->sbp is set by the caller */ 50777c478bd9Sstevel@tonic-gate 50787c478bd9Sstevel@tonic-gate xdrmem_create(&xdr, attrs, attrslen, XDR_DECODE); 50797c478bd9Sstevel@tonic-gate 50807c478bd9Sstevel@tonic-gate na = ntovp->na; 50817c478bd9Sstevel@tonic-gate amap = ntovp->amap; 50827c478bd9Sstevel@tonic-gate 50837c478bd9Sstevel@tonic-gate /* 50847c478bd9Sstevel@tonic-gate * The following loop iterates on the nfs4_ntov_map checking 50857c478bd9Sstevel@tonic-gate * if the fbit is set in the requested bitmap. 50867c478bd9Sstevel@tonic-gate * If set then we process the arguments using the 50877c478bd9Sstevel@tonic-gate * rfs4_fattr4 conversion functions to populate the setattr 50887c478bd9Sstevel@tonic-gate * vattr and va_mask. Any settable attrs that are not using vattr 50897c478bd9Sstevel@tonic-gate * will be set in this loop. 50907c478bd9Sstevel@tonic-gate */ 50917c478bd9Sstevel@tonic-gate for (i = 0; i < nfs4_ntov_map_size; i++) { 50927c478bd9Sstevel@tonic-gate if (!(fattrp->attrmask & nfs4_ntov_map[i].fbit)) { 50937c478bd9Sstevel@tonic-gate continue; 50947c478bd9Sstevel@tonic-gate } 50957c478bd9Sstevel@tonic-gate /* 50967c478bd9Sstevel@tonic-gate * If setattr, must be a writable attr. 50977c478bd9Sstevel@tonic-gate * If verify/nverify, must be a readable attr. 50987c478bd9Sstevel@tonic-gate */ 50997c478bd9Sstevel@tonic-gate if ((error = (*nfs4_ntov_map[i].sv_getit)( 51007c478bd9Sstevel@tonic-gate NFS4ATTR_SUPPORTED, sargp, NULL)) != 0) { 51017c478bd9Sstevel@tonic-gate /* 51027c478bd9Sstevel@tonic-gate * Client tries to set/verify an 51037c478bd9Sstevel@tonic-gate * unsupported attribute, tries to set 51047c478bd9Sstevel@tonic-gate * a read only attr or verify a write 51057c478bd9Sstevel@tonic-gate * only one - error! 51067c478bd9Sstevel@tonic-gate */ 51077c478bd9Sstevel@tonic-gate break; 51087c478bd9Sstevel@tonic-gate } 51097c478bd9Sstevel@tonic-gate /* 51107c478bd9Sstevel@tonic-gate * Decode the attribute to set/verify 51117c478bd9Sstevel@tonic-gate */ 51127c478bd9Sstevel@tonic-gate error = decode_fattr4_attr(cmd, sargp, nfs4_ntov_map[i].nval, 51137c478bd9Sstevel@tonic-gate &xdr, resp ? resp : NULL, na); 51147c478bd9Sstevel@tonic-gate if (error) 51157c478bd9Sstevel@tonic-gate break; 51167c478bd9Sstevel@tonic-gate *amap++ = (uint8_t)nfs4_ntov_map[i].nval; 51177c478bd9Sstevel@tonic-gate na++; 51187c478bd9Sstevel@tonic-gate (ntovp->attrcnt)++; 51197c478bd9Sstevel@tonic-gate if (nfs4_ntov_map[i].vfsstat) 51207c478bd9Sstevel@tonic-gate ntovp->vfsstat = TRUE; 51217c478bd9Sstevel@tonic-gate } 51227c478bd9Sstevel@tonic-gate 51237c478bd9Sstevel@tonic-gate if (error != 0) 51247c478bd9Sstevel@tonic-gate status = (error == ENOTSUP ? NFS4ERR_ATTRNOTSUPP : 51257c478bd9Sstevel@tonic-gate puterrno4(error)); 51267c478bd9Sstevel@tonic-gate /* xdrmem_destroy(&xdrs); */ /* NO-OP */ 51277c478bd9Sstevel@tonic-gate return (status); 51287c478bd9Sstevel@tonic-gate } 51297c478bd9Sstevel@tonic-gate 51307c478bd9Sstevel@tonic-gate static nfsstat4 51317c478bd9Sstevel@tonic-gate do_rfs4_op_setattr(bitmap4 *resp, fattr4 *fattrp, struct compound_state *cs, 51327c478bd9Sstevel@tonic-gate stateid4 *stateid) 51337c478bd9Sstevel@tonic-gate { 51347c478bd9Sstevel@tonic-gate int error = 0; 51357c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 51367c478bd9Sstevel@tonic-gate bool_t trunc; 51377c478bd9Sstevel@tonic-gate 51387c478bd9Sstevel@tonic-gate nfsstat4 status = NFS4_OK; 51397c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 51407c478bd9Sstevel@tonic-gate vnode_t *vp = cs->vp; 51417c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 51427c478bd9Sstevel@tonic-gate struct statvfs64 sb; 51437c478bd9Sstevel@tonic-gate struct vattr bva; 51447c478bd9Sstevel@tonic-gate struct flock64 bf; 51457c478bd9Sstevel@tonic-gate int in_crit = 0; 51467c478bd9Sstevel@tonic-gate uint_t saved_mask = 0; 51477c478bd9Sstevel@tonic-gate caller_context_t ct; 51487c478bd9Sstevel@tonic-gate 51497c478bd9Sstevel@tonic-gate *resp = 0; 51507c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 51512f172c55SRobert Thurlow sarg.is_referral = B_FALSE; 51527c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 51537c478bd9Sstevel@tonic-gate status = do_rfs4_set_attrs(resp, fattrp, cs, &sarg, &ntov, 51547c478bd9Sstevel@tonic-gate NFS4ATTR_SETIT); 51557c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 51567c478bd9Sstevel@tonic-gate /* 51577c478bd9Sstevel@tonic-gate * failed set attrs 51587c478bd9Sstevel@tonic-gate */ 51597c478bd9Sstevel@tonic-gate goto done; 51607c478bd9Sstevel@tonic-gate } 51617c478bd9Sstevel@tonic-gate if ((sarg.vap->va_mask == 0) && 51627c478bd9Sstevel@tonic-gate (! (fattrp->attrmask & FATTR4_ACL_MASK))) { 51637c478bd9Sstevel@tonic-gate /* 51647c478bd9Sstevel@tonic-gate * no further work to be done 51657c478bd9Sstevel@tonic-gate */ 51667c478bd9Sstevel@tonic-gate goto done; 51677c478bd9Sstevel@tonic-gate } 51687c478bd9Sstevel@tonic-gate 51697c478bd9Sstevel@tonic-gate /* 51707c478bd9Sstevel@tonic-gate * If we got a request to set the ACL and the MODE, only 51717c478bd9Sstevel@tonic-gate * allow changing VSUID, VSGID, and VSVTX. Attempting 51727c478bd9Sstevel@tonic-gate * to change any other bits, along with setting an ACL, 51737c478bd9Sstevel@tonic-gate * gives NFS4ERR_INVAL. 51747c478bd9Sstevel@tonic-gate */ 51757c478bd9Sstevel@tonic-gate if ((fattrp->attrmask & FATTR4_ACL_MASK) && 51767c478bd9Sstevel@tonic-gate (fattrp->attrmask & FATTR4_MODE_MASK)) { 51777c478bd9Sstevel@tonic-gate vattr_t va; 51787c478bd9Sstevel@tonic-gate 51797c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE; 5180da6c28aaSamw error = VOP_GETATTR(vp, &va, 0, cs->cr, NULL); 51817c478bd9Sstevel@tonic-gate if (error) { 51827c478bd9Sstevel@tonic-gate status = puterrno4(error); 51837c478bd9Sstevel@tonic-gate goto done; 51847c478bd9Sstevel@tonic-gate } 51857c478bd9Sstevel@tonic-gate if ((sarg.vap->va_mode ^ va.va_mode) & 51867c478bd9Sstevel@tonic-gate ~(VSUID | VSGID | VSVTX)) { 51877c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 51887c478bd9Sstevel@tonic-gate goto done; 51897c478bd9Sstevel@tonic-gate } 51907c478bd9Sstevel@tonic-gate } 51917c478bd9Sstevel@tonic-gate 51927c478bd9Sstevel@tonic-gate /* Check stateid only if size has been set */ 51937c478bd9Sstevel@tonic-gate if (sarg.vap->va_mask & AT_SIZE) { 51947c478bd9Sstevel@tonic-gate trunc = (sarg.vap->va_size == 0); 51957c478bd9Sstevel@tonic-gate status = rfs4_check_stateid(FWRITE, cs->vp, stateid, 5196da6c28aaSamw trunc, &cs->deleg, sarg.vap->va_mask & AT_SIZE, &ct); 51977c478bd9Sstevel@tonic-gate if (status != NFS4_OK) 51987c478bd9Sstevel@tonic-gate goto done; 5199da6c28aaSamw } else { 52007c478bd9Sstevel@tonic-gate ct.cc_sysid = 0; 52017c478bd9Sstevel@tonic-gate ct.cc_pid = 0; 52027c478bd9Sstevel@tonic-gate ct.cc_caller_id = nfs4_srv_caller_id; 520362b9fcbeSjwahlig ct.cc_flags = CC_DONTBLOCK; 5204da6c28aaSamw } 52057c478bd9Sstevel@tonic-gate 52067c478bd9Sstevel@tonic-gate /* XXX start of possible race with delegations */ 52077c478bd9Sstevel@tonic-gate 52087c478bd9Sstevel@tonic-gate /* 52097c478bd9Sstevel@tonic-gate * We need to specially handle size changes because it is 52107c478bd9Sstevel@tonic-gate * possible for the client to create a file with read-only 52117c478bd9Sstevel@tonic-gate * modes, but with the file opened for writing. If the client 52127c478bd9Sstevel@tonic-gate * then tries to set the file size, e.g. ftruncate(3C), 52137c478bd9Sstevel@tonic-gate * fcntl(F_FREESP), the normal access checking done in 52147c478bd9Sstevel@tonic-gate * VOP_SETATTR would prevent the client from doing it even though 52157c478bd9Sstevel@tonic-gate * it should be allowed to do so. To get around this, we do the 52167c478bd9Sstevel@tonic-gate * access checking for ourselves and use VOP_SPACE which doesn't 52177c478bd9Sstevel@tonic-gate * do the access checking. 52187c478bd9Sstevel@tonic-gate * Also the client should not be allowed to change the file 52197c478bd9Sstevel@tonic-gate * size if there is a conflicting non-blocking mandatory lock in 52207c478bd9Sstevel@tonic-gate * the region of the change. 52217c478bd9Sstevel@tonic-gate */ 52227c478bd9Sstevel@tonic-gate if (vp->v_type == VREG && (sarg.vap->va_mask & AT_SIZE)) { 52237c478bd9Sstevel@tonic-gate u_offset_t offset; 52247c478bd9Sstevel@tonic-gate ssize_t length; 52257c478bd9Sstevel@tonic-gate 52267c478bd9Sstevel@tonic-gate /* 52279720e166Sjasmith * ufs_setattr clears AT_SIZE from vap->va_mask, but 52289720e166Sjasmith * before returning, sarg.vap->va_mask is used to 52299720e166Sjasmith * generate the setattr reply bitmap. We also clear 52309720e166Sjasmith * AT_SIZE below before calling VOP_SPACE. For both 52319720e166Sjasmith * of these cases, the va_mask needs to be saved here 52329720e166Sjasmith * and restored after calling VOP_SETATTR. 52339720e166Sjasmith */ 52349720e166Sjasmith saved_mask = sarg.vap->va_mask; 52359720e166Sjasmith 52369720e166Sjasmith /* 52377c478bd9Sstevel@tonic-gate * Check any possible conflict due to NBMAND locks. 52387c478bd9Sstevel@tonic-gate * Get into critical region before VOP_GETATTR, so the 52397c478bd9Sstevel@tonic-gate * size attribute is valid when checking conflicts. 52407c478bd9Sstevel@tonic-gate */ 52417c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 52427c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 52437c478bd9Sstevel@tonic-gate in_crit = 1; 52447c478bd9Sstevel@tonic-gate } 52457c478bd9Sstevel@tonic-gate 52467c478bd9Sstevel@tonic-gate bva.va_mask = AT_UID|AT_SIZE; 5247da6c28aaSamw if (error = VOP_GETATTR(vp, &bva, 0, cr, &ct)) { 52487c478bd9Sstevel@tonic-gate status = puterrno4(error); 52497c478bd9Sstevel@tonic-gate goto done; 52507c478bd9Sstevel@tonic-gate } 52517c478bd9Sstevel@tonic-gate 52527c478bd9Sstevel@tonic-gate if (in_crit) { 52537c478bd9Sstevel@tonic-gate if (sarg.vap->va_size < bva.va_size) { 52547c478bd9Sstevel@tonic-gate offset = sarg.vap->va_size; 52557c478bd9Sstevel@tonic-gate length = bva.va_size - sarg.vap->va_size; 52567c478bd9Sstevel@tonic-gate } else { 52577c478bd9Sstevel@tonic-gate offset = bva.va_size; 52587c478bd9Sstevel@tonic-gate length = sarg.vap->va_size - bva.va_size; 52597c478bd9Sstevel@tonic-gate } 5260da6c28aaSamw if (nbl_conflict(vp, NBL_WRITE, offset, length, 0, 5261da6c28aaSamw &ct)) { 52627c478bd9Sstevel@tonic-gate status = NFS4ERR_LOCKED; 52637c478bd9Sstevel@tonic-gate goto done; 52647c478bd9Sstevel@tonic-gate } 52657c478bd9Sstevel@tonic-gate } 52667c478bd9Sstevel@tonic-gate 52677c478bd9Sstevel@tonic-gate if (crgetuid(cr) == bva.va_uid) { 52687c478bd9Sstevel@tonic-gate sarg.vap->va_mask &= ~AT_SIZE; 52697c478bd9Sstevel@tonic-gate bf.l_type = F_WRLCK; 52707c478bd9Sstevel@tonic-gate bf.l_whence = 0; 52717c478bd9Sstevel@tonic-gate bf.l_start = (off64_t)sarg.vap->va_size; 52727c478bd9Sstevel@tonic-gate bf.l_len = 0; 52737c478bd9Sstevel@tonic-gate bf.l_sysid = 0; 52747c478bd9Sstevel@tonic-gate bf.l_pid = 0; 52757c478bd9Sstevel@tonic-gate error = VOP_SPACE(vp, F_FREESP, &bf, FWRITE, 52767c478bd9Sstevel@tonic-gate (offset_t)sarg.vap->va_size, cr, &ct); 52777c478bd9Sstevel@tonic-gate } 52787c478bd9Sstevel@tonic-gate } 52797c478bd9Sstevel@tonic-gate 52807c478bd9Sstevel@tonic-gate if (!error && sarg.vap->va_mask != 0) 52817c478bd9Sstevel@tonic-gate error = VOP_SETATTR(vp, sarg.vap, sarg.flag, cr, &ct); 52827c478bd9Sstevel@tonic-gate 52839720e166Sjasmith /* restore va_mask -- ufs_setattr clears AT_SIZE */ 52847c478bd9Sstevel@tonic-gate if (saved_mask & AT_SIZE) 52857c478bd9Sstevel@tonic-gate sarg.vap->va_mask |= AT_SIZE; 52867c478bd9Sstevel@tonic-gate 52877c478bd9Sstevel@tonic-gate /* 52887c478bd9Sstevel@tonic-gate * If an ACL was being set, it has been delayed until now, 52897c478bd9Sstevel@tonic-gate * in order to set the mode (via the VOP_SETATTR() above) first. 52907c478bd9Sstevel@tonic-gate */ 52917c478bd9Sstevel@tonic-gate if ((! error) && (fattrp->attrmask & FATTR4_ACL_MASK)) { 52927c478bd9Sstevel@tonic-gate int i; 52937c478bd9Sstevel@tonic-gate 52947c478bd9Sstevel@tonic-gate for (i = 0; i < NFS4_MAXNUM_ATTRS; i++) 52957c478bd9Sstevel@tonic-gate if (ntov.amap[i] == FATTR4_ACL) 52967c478bd9Sstevel@tonic-gate break; 52977c478bd9Sstevel@tonic-gate if (i < NFS4_MAXNUM_ATTRS) { 52987c478bd9Sstevel@tonic-gate error = (*nfs4_ntov_map[FATTR4_ACL].sv_getit)( 52997c478bd9Sstevel@tonic-gate NFS4ATTR_SETIT, &sarg, &ntov.na[i]); 53007c478bd9Sstevel@tonic-gate if (error == 0) { 53017c478bd9Sstevel@tonic-gate *resp |= FATTR4_ACL_MASK; 53027c478bd9Sstevel@tonic-gate } else if (error == ENOTSUP) { 53037c478bd9Sstevel@tonic-gate (void) rfs4_verify_attr(&sarg, resp, &ntov); 53047c478bd9Sstevel@tonic-gate status = NFS4ERR_ATTRNOTSUPP; 53057c478bd9Sstevel@tonic-gate goto done; 53067c478bd9Sstevel@tonic-gate } 53077c478bd9Sstevel@tonic-gate } else { 53087c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 53097c478bd9Sstevel@tonic-gate (CE_NOTE, "do_rfs4_op_setattr: " 53107c478bd9Sstevel@tonic-gate "unable to find ACL in fattr4")); 53117c478bd9Sstevel@tonic-gate error = EINVAL; 53127c478bd9Sstevel@tonic-gate } 53137c478bd9Sstevel@tonic-gate } 53147c478bd9Sstevel@tonic-gate 53157c478bd9Sstevel@tonic-gate if (error) { 531662b9fcbeSjwahlig /* check if a monitor detected a delegation conflict */ 531762b9fcbeSjwahlig if (error == EAGAIN && (ct.cc_flags & CC_WOULDBLOCK)) 531862b9fcbeSjwahlig status = NFS4ERR_DELAY; 531962b9fcbeSjwahlig else 53207c478bd9Sstevel@tonic-gate status = puterrno4(error); 53217c478bd9Sstevel@tonic-gate 53227c478bd9Sstevel@tonic-gate /* 53237c478bd9Sstevel@tonic-gate * Set the response bitmap when setattr failed. 53247c478bd9Sstevel@tonic-gate * If VOP_SETATTR partially succeeded, test by doing a 53257c478bd9Sstevel@tonic-gate * VOP_GETATTR on the object and comparing the data 53267c478bd9Sstevel@tonic-gate * to the setattr arguments. 53277c478bd9Sstevel@tonic-gate */ 53287c478bd9Sstevel@tonic-gate (void) rfs4_verify_attr(&sarg, resp, &ntov); 53297c478bd9Sstevel@tonic-gate } else { 53307c478bd9Sstevel@tonic-gate /* 53317c478bd9Sstevel@tonic-gate * Force modified metadata out to stable storage. 53327c478bd9Sstevel@tonic-gate */ 5333da6c28aaSamw (void) VOP_FSYNC(vp, FNODSYNC, cr, &ct); 53347c478bd9Sstevel@tonic-gate /* 53357c478bd9Sstevel@tonic-gate * Set response bitmap 53367c478bd9Sstevel@tonic-gate */ 53379720e166Sjasmith nfs4_vmask_to_nmask_set(sarg.vap->va_mask, resp); 53387c478bd9Sstevel@tonic-gate } 53397c478bd9Sstevel@tonic-gate 53407c478bd9Sstevel@tonic-gate /* Return early and already have a NFSv4 error */ 53417c478bd9Sstevel@tonic-gate done: 53429720e166Sjasmith /* 53439720e166Sjasmith * Except for nfs4_vmask_to_nmask_set(), vattr --> fattr 53449720e166Sjasmith * conversion sets both readable and writeable NFS4 attrs 53459720e166Sjasmith * for AT_MTIME and AT_ATIME. The line below masks out 53469720e166Sjasmith * unrequested attrs from the setattr result bitmap. This 53479720e166Sjasmith * is placed after the done: label to catch the ATTRNOTSUP 53489720e166Sjasmith * case. 53499720e166Sjasmith */ 53509720e166Sjasmith *resp &= fattrp->attrmask; 53519720e166Sjasmith 53527c478bd9Sstevel@tonic-gate if (in_crit) 53537c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 53547c478bd9Sstevel@tonic-gate 53557c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 53567c478bd9Sstevel@tonic-gate 53577c478bd9Sstevel@tonic-gate return (status); 53587c478bd9Sstevel@tonic-gate } 53597c478bd9Sstevel@tonic-gate 53607c478bd9Sstevel@tonic-gate /* ARGSUSED */ 53617c478bd9Sstevel@tonic-gate static void 53627c478bd9Sstevel@tonic-gate rfs4_op_setattr(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 53637c478bd9Sstevel@tonic-gate struct compound_state *cs) 53647c478bd9Sstevel@tonic-gate { 53657c478bd9Sstevel@tonic-gate SETATTR4args *args = &argop->nfs_argop4_u.opsetattr; 53667c478bd9Sstevel@tonic-gate SETATTR4res *resp = &resop->nfs_resop4_u.opsetattr; 536745916cd2Sjpk bslabel_t *clabel; 53687c478bd9Sstevel@tonic-gate 5369f3b585ceSsamf DTRACE_NFSV4_2(op__setattr__start, struct compound_state *, cs, 5370f3b585ceSsamf SETATTR4args *, args); 5371f3b585ceSsamf 53727c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 53737c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 5374f3b585ceSsamf goto out; 53757c478bd9Sstevel@tonic-gate } 53767c478bd9Sstevel@tonic-gate 53777c478bd9Sstevel@tonic-gate /* 53787c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 53797c478bd9Sstevel@tonic-gate * do not allow to setattr on this vnode. 53807c478bd9Sstevel@tonic-gate */ 53817c478bd9Sstevel@tonic-gate if (vn_ismntpt(cs->vp)) { 53827c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 5383f3b585ceSsamf goto out; 53847c478bd9Sstevel@tonic-gate } 53857c478bd9Sstevel@tonic-gate 53867c478bd9Sstevel@tonic-gate resp->attrsset = 0; 53877c478bd9Sstevel@tonic-gate 53885cb0d679SMarcel Telka if (rdonly4(req, cs)) { 53897c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 5390f3b585ceSsamf goto out; 53917c478bd9Sstevel@tonic-gate } 53927c478bd9Sstevel@tonic-gate 539345916cd2Sjpk /* check label before setting attributes */ 539445916cd2Sjpk if (is_system_labeled()) { 539545916cd2Sjpk ASSERT(req->rq_label != NULL); 539645916cd2Sjpk clabel = req->rq_label; 539745916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__opsetattr__clabel, char *, 539845916cd2Sjpk "got client label from request(1)", 539945916cd2Sjpk struct svc_req *, req); 540045916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 540103986916Sjarrett if (!do_rfs_label_check(clabel, cs->vp, 5402bd6f1640SJarrett Lu EQUALITY_CHECK, cs->exi)) { 540345916cd2Sjpk *cs->statusp = resp->status = NFS4ERR_ACCESS; 5404f3b585ceSsamf goto out; 540545916cd2Sjpk } 540645916cd2Sjpk } 540745916cd2Sjpk } 540845916cd2Sjpk 54097c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 54107c478bd9Sstevel@tonic-gate do_rfs4_op_setattr(&resp->attrsset, &args->obj_attributes, cs, 54117c478bd9Sstevel@tonic-gate &args->stateid); 5412f3b585ceSsamf 5413f3b585ceSsamf out: 5414f3b585ceSsamf DTRACE_NFSV4_2(op__setattr__done, struct compound_state *, cs, 5415f3b585ceSsamf SETATTR4res *, resp); 54167c478bd9Sstevel@tonic-gate } 54177c478bd9Sstevel@tonic-gate 54187c478bd9Sstevel@tonic-gate /* ARGSUSED */ 54197c478bd9Sstevel@tonic-gate static void 54207c478bd9Sstevel@tonic-gate rfs4_op_verify(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 54217c478bd9Sstevel@tonic-gate struct compound_state *cs) 54227c478bd9Sstevel@tonic-gate { 54237c478bd9Sstevel@tonic-gate /* 54247c478bd9Sstevel@tonic-gate * verify and nverify are exactly the same, except that nverify 54257c478bd9Sstevel@tonic-gate * succeeds when some argument changed, and verify succeeds when 54267c478bd9Sstevel@tonic-gate * when none changed. 54277c478bd9Sstevel@tonic-gate */ 54287c478bd9Sstevel@tonic-gate 54297c478bd9Sstevel@tonic-gate VERIFY4args *args = &argop->nfs_argop4_u.opverify; 54307c478bd9Sstevel@tonic-gate VERIFY4res *resp = &resop->nfs_resop4_u.opverify; 54317c478bd9Sstevel@tonic-gate 54327c478bd9Sstevel@tonic-gate int error; 54337c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 54347c478bd9Sstevel@tonic-gate struct statvfs64 sb; 54357c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 54367c478bd9Sstevel@tonic-gate 5437f3b585ceSsamf DTRACE_NFSV4_2(op__verify__start, struct compound_state *, cs, 5438f3b585ceSsamf VERIFY4args *, args); 5439f3b585ceSsamf 54407c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 54417c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 5442f3b585ceSsamf goto out; 54437c478bd9Sstevel@tonic-gate } 54447c478bd9Sstevel@tonic-gate 54457c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 54462f172c55SRobert Thurlow sarg.is_referral = B_FALSE; 54477c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 54487c478bd9Sstevel@tonic-gate resp->status = do_rfs4_set_attrs(NULL, &args->obj_attributes, cs, 54497c478bd9Sstevel@tonic-gate &sarg, &ntov, NFS4ATTR_VERIT); 54507c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 54517c478bd9Sstevel@tonic-gate /* 54527c478bd9Sstevel@tonic-gate * do_rfs4_set_attrs will try to verify systemwide attrs, 54537c478bd9Sstevel@tonic-gate * so could return -1 for "no match". 54547c478bd9Sstevel@tonic-gate */ 54557c478bd9Sstevel@tonic-gate if (resp->status == -1) 54567c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_NOT_SAME; 54577c478bd9Sstevel@tonic-gate goto done; 54587c478bd9Sstevel@tonic-gate } 54597c478bd9Sstevel@tonic-gate error = rfs4_verify_attr(&sarg, NULL, &ntov); 54607c478bd9Sstevel@tonic-gate switch (error) { 54617c478bd9Sstevel@tonic-gate case 0: 54627c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 54637c478bd9Sstevel@tonic-gate break; 54647c478bd9Sstevel@tonic-gate case -1: 54657c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_NOT_SAME; 54667c478bd9Sstevel@tonic-gate break; 54677c478bd9Sstevel@tonic-gate default: 54687c478bd9Sstevel@tonic-gate resp->status = puterrno4(error); 54697c478bd9Sstevel@tonic-gate break; 54707c478bd9Sstevel@tonic-gate } 54717c478bd9Sstevel@tonic-gate done: 54727c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 54737c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 5474f3b585ceSsamf out: 5475f3b585ceSsamf DTRACE_NFSV4_2(op__verify__done, struct compound_state *, cs, 5476f3b585ceSsamf VERIFY4res *, resp); 54777c478bd9Sstevel@tonic-gate } 54787c478bd9Sstevel@tonic-gate 54797c478bd9Sstevel@tonic-gate /* ARGSUSED */ 54807c478bd9Sstevel@tonic-gate static void 54817c478bd9Sstevel@tonic-gate rfs4_op_nverify(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 54827c478bd9Sstevel@tonic-gate struct compound_state *cs) 54837c478bd9Sstevel@tonic-gate { 54847c478bd9Sstevel@tonic-gate /* 54857c478bd9Sstevel@tonic-gate * verify and nverify are exactly the same, except that nverify 54867c478bd9Sstevel@tonic-gate * succeeds when some argument changed, and verify succeeds when 54877c478bd9Sstevel@tonic-gate * when none changed. 54887c478bd9Sstevel@tonic-gate */ 54897c478bd9Sstevel@tonic-gate 54907c478bd9Sstevel@tonic-gate NVERIFY4args *args = &argop->nfs_argop4_u.opnverify; 54917c478bd9Sstevel@tonic-gate NVERIFY4res *resp = &resop->nfs_resop4_u.opnverify; 54927c478bd9Sstevel@tonic-gate 54937c478bd9Sstevel@tonic-gate int error; 54947c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 54957c478bd9Sstevel@tonic-gate struct statvfs64 sb; 54967c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 54977c478bd9Sstevel@tonic-gate 5498f3b585ceSsamf DTRACE_NFSV4_2(op__nverify__start, struct compound_state *, cs, 5499f3b585ceSsamf NVERIFY4args *, args); 5500f3b585ceSsamf 55017c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 55027c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 5503f3b585ceSsamf DTRACE_NFSV4_2(op__nverify__done, struct compound_state *, cs, 5504f3b585ceSsamf NVERIFY4res *, resp); 55057c478bd9Sstevel@tonic-gate return; 55067c478bd9Sstevel@tonic-gate } 55077c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 55082f172c55SRobert Thurlow sarg.is_referral = B_FALSE; 55097c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 55107c478bd9Sstevel@tonic-gate resp->status = do_rfs4_set_attrs(NULL, &args->obj_attributes, cs, 55117c478bd9Sstevel@tonic-gate &sarg, &ntov, NFS4ATTR_VERIT); 55127c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 55137c478bd9Sstevel@tonic-gate /* 55147c478bd9Sstevel@tonic-gate * do_rfs4_set_attrs will try to verify systemwide attrs, 55157c478bd9Sstevel@tonic-gate * so could return -1 for "no match". 55167c478bd9Sstevel@tonic-gate */ 55177c478bd9Sstevel@tonic-gate if (resp->status == -1) 55187c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 55197c478bd9Sstevel@tonic-gate goto done; 55207c478bd9Sstevel@tonic-gate } 55217c478bd9Sstevel@tonic-gate error = rfs4_verify_attr(&sarg, NULL, &ntov); 55227c478bd9Sstevel@tonic-gate switch (error) { 55237c478bd9Sstevel@tonic-gate case 0: 55247c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SAME; 55257c478bd9Sstevel@tonic-gate break; 55267c478bd9Sstevel@tonic-gate case -1: 55277c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 55287c478bd9Sstevel@tonic-gate break; 55297c478bd9Sstevel@tonic-gate default: 55307c478bd9Sstevel@tonic-gate resp->status = puterrno4(error); 55317c478bd9Sstevel@tonic-gate break; 55327c478bd9Sstevel@tonic-gate } 55337c478bd9Sstevel@tonic-gate done: 55347c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 55357c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 5536f3b585ceSsamf 5537f3b585ceSsamf DTRACE_NFSV4_2(op__nverify__done, struct compound_state *, cs, 5538f3b585ceSsamf NVERIFY4res *, resp); 55397c478bd9Sstevel@tonic-gate } 55407c478bd9Sstevel@tonic-gate 55417c478bd9Sstevel@tonic-gate /* 55427c478bd9Sstevel@tonic-gate * XXX - This should live in an NFS header file. 55437c478bd9Sstevel@tonic-gate */ 55447c478bd9Sstevel@tonic-gate #define MAX_IOVECS 12 55457c478bd9Sstevel@tonic-gate 55467c478bd9Sstevel@tonic-gate /* ARGSUSED */ 55477c478bd9Sstevel@tonic-gate static void 55487c478bd9Sstevel@tonic-gate rfs4_op_write(nfs_argop4 *argop, nfs_resop4 *resop, struct svc_req *req, 55497c478bd9Sstevel@tonic-gate struct compound_state *cs) 55507c478bd9Sstevel@tonic-gate { 55517c478bd9Sstevel@tonic-gate WRITE4args *args = &argop->nfs_argop4_u.opwrite; 55527c478bd9Sstevel@tonic-gate WRITE4res *resp = &resop->nfs_resop4_u.opwrite; 55537c478bd9Sstevel@tonic-gate int error; 55547c478bd9Sstevel@tonic-gate vnode_t *vp; 55557c478bd9Sstevel@tonic-gate struct vattr bva; 55567c478bd9Sstevel@tonic-gate u_offset_t rlimit; 55577c478bd9Sstevel@tonic-gate struct uio uio; 55587c478bd9Sstevel@tonic-gate struct iovec iov[MAX_IOVECS]; 55597c478bd9Sstevel@tonic-gate struct iovec *iovp; 55607c478bd9Sstevel@tonic-gate int iovcnt; 55617c478bd9Sstevel@tonic-gate int ioflag; 55627c478bd9Sstevel@tonic-gate cred_t *savecred, *cr; 55637c478bd9Sstevel@tonic-gate bool_t *deleg = &cs->deleg; 55647c478bd9Sstevel@tonic-gate nfsstat4 stat; 55657c478bd9Sstevel@tonic-gate int in_crit = 0; 5566da6c28aaSamw caller_context_t ct; 55677c478bd9Sstevel@tonic-gate 5568f3b585ceSsamf DTRACE_NFSV4_2(op__write__start, struct compound_state *, cs, 5569f3b585ceSsamf WRITE4args *, args); 5570f3b585ceSsamf 55717c478bd9Sstevel@tonic-gate vp = cs->vp; 55727c478bd9Sstevel@tonic-gate if (vp == NULL) { 55737c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 5574f3b585ceSsamf goto out; 55757c478bd9Sstevel@tonic-gate } 55767c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED) { 55777c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 5578f3b585ceSsamf goto out; 55797c478bd9Sstevel@tonic-gate } 55807c478bd9Sstevel@tonic-gate 55817c478bd9Sstevel@tonic-gate cr = cs->cr; 55827c478bd9Sstevel@tonic-gate 5583da6c28aaSamw if ((stat = rfs4_check_stateid(FWRITE, vp, &args->stateid, FALSE, 5584da6c28aaSamw deleg, TRUE, &ct)) != NFS4_OK) { 5585da6c28aaSamw *cs->statusp = resp->status = stat; 5586da6c28aaSamw goto out; 5587da6c28aaSamw } 5588da6c28aaSamw 55897c478bd9Sstevel@tonic-gate /* 55907c478bd9Sstevel@tonic-gate * We have to enter the critical region before calling VOP_RWLOCK 55917c478bd9Sstevel@tonic-gate * to avoid a deadlock with ufs. 55927c478bd9Sstevel@tonic-gate */ 55937c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 55947c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 55957c478bd9Sstevel@tonic-gate in_crit = 1; 55967c478bd9Sstevel@tonic-gate if (nbl_conflict(vp, NBL_WRITE, 5597da6c28aaSamw args->offset, args->data_len, 0, &ct)) { 55987c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_LOCKED; 55997c478bd9Sstevel@tonic-gate goto out; 56007c478bd9Sstevel@tonic-gate } 56017c478bd9Sstevel@tonic-gate } 56027c478bd9Sstevel@tonic-gate 56037c478bd9Sstevel@tonic-gate bva.va_mask = AT_MODE | AT_UID; 5604da6c28aaSamw error = VOP_GETATTR(vp, &bva, 0, cr, &ct); 56057c478bd9Sstevel@tonic-gate 56067c478bd9Sstevel@tonic-gate /* 56077c478bd9Sstevel@tonic-gate * If we can't get the attributes, then we can't do the 56087c478bd9Sstevel@tonic-gate * right access checking. So, we'll fail the request. 56097c478bd9Sstevel@tonic-gate */ 56107c478bd9Sstevel@tonic-gate if (error) { 56117c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 56127c478bd9Sstevel@tonic-gate goto out; 56137c478bd9Sstevel@tonic-gate } 56147c478bd9Sstevel@tonic-gate 56155cb0d679SMarcel Telka if (rdonly4(req, cs)) { 56167c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ROFS; 56177c478bd9Sstevel@tonic-gate goto out; 56187c478bd9Sstevel@tonic-gate } 56197c478bd9Sstevel@tonic-gate 56207c478bd9Sstevel@tonic-gate if (vp->v_type != VREG) { 56217c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 56227c478bd9Sstevel@tonic-gate ((vp->v_type == VDIR) ? NFS4ERR_ISDIR : NFS4ERR_INVAL); 56237c478bd9Sstevel@tonic-gate goto out; 56247c478bd9Sstevel@tonic-gate } 56257c478bd9Sstevel@tonic-gate 56267c478bd9Sstevel@tonic-gate if (crgetuid(cr) != bva.va_uid && 5627da6c28aaSamw (error = VOP_ACCESS(vp, VWRITE, 0, cr, &ct))) { 56287c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 56297c478bd9Sstevel@tonic-gate goto out; 56307c478bd9Sstevel@tonic-gate } 56317c478bd9Sstevel@tonic-gate 56327c478bd9Sstevel@tonic-gate if (MANDLOCK(vp, bva.va_mode)) { 56337c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 56347c478bd9Sstevel@tonic-gate goto out; 56357c478bd9Sstevel@tonic-gate } 56367c478bd9Sstevel@tonic-gate 56377c478bd9Sstevel@tonic-gate if (args->data_len == 0) { 56387c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 56397c478bd9Sstevel@tonic-gate resp->count = 0; 56407c478bd9Sstevel@tonic-gate resp->committed = args->stable; 56417c478bd9Sstevel@tonic-gate resp->writeverf = Write4verf; 56427c478bd9Sstevel@tonic-gate goto out; 56437c478bd9Sstevel@tonic-gate } 56447c478bd9Sstevel@tonic-gate 56457c478bd9Sstevel@tonic-gate if (args->mblk != NULL) { 56467c478bd9Sstevel@tonic-gate mblk_t *m; 56477c478bd9Sstevel@tonic-gate uint_t bytes, round_len; 56487c478bd9Sstevel@tonic-gate 56497c478bd9Sstevel@tonic-gate iovcnt = 0; 56507c478bd9Sstevel@tonic-gate bytes = 0; 56517c478bd9Sstevel@tonic-gate round_len = roundup(args->data_len, BYTES_PER_XDR_UNIT); 56527c478bd9Sstevel@tonic-gate for (m = args->mblk; 56537c478bd9Sstevel@tonic-gate m != NULL && bytes < round_len; 56547c478bd9Sstevel@tonic-gate m = m->b_cont) { 56557c478bd9Sstevel@tonic-gate iovcnt++; 56567c478bd9Sstevel@tonic-gate bytes += MBLKL(m); 56577c478bd9Sstevel@tonic-gate } 56587c478bd9Sstevel@tonic-gate #ifdef DEBUG 56597c478bd9Sstevel@tonic-gate /* should have ended on an mblk boundary */ 56607c478bd9Sstevel@tonic-gate if (bytes != round_len) { 56617c478bd9Sstevel@tonic-gate printf("bytes=0x%x, round_len=0x%x, req len=0x%x\n", 56627c478bd9Sstevel@tonic-gate bytes, round_len, args->data_len); 56637c478bd9Sstevel@tonic-gate printf("args=%p, args->mblk=%p, m=%p", (void *)args, 56647c478bd9Sstevel@tonic-gate (void *)args->mblk, (void *)m); 56657c478bd9Sstevel@tonic-gate ASSERT(bytes == round_len); 56667c478bd9Sstevel@tonic-gate } 56677c478bd9Sstevel@tonic-gate #endif 56687c478bd9Sstevel@tonic-gate if (iovcnt <= MAX_IOVECS) { 56697c478bd9Sstevel@tonic-gate iovp = iov; 56707c478bd9Sstevel@tonic-gate } else { 56717c478bd9Sstevel@tonic-gate iovp = kmem_alloc(sizeof (*iovp) * iovcnt, KM_SLEEP); 56727c478bd9Sstevel@tonic-gate } 56737c478bd9Sstevel@tonic-gate mblk_to_iov(args->mblk, iovcnt, iovp); 56740a701b1eSRobert Gordon } else if (args->rlist != NULL) { 56750a701b1eSRobert Gordon iovcnt = 1; 56760a701b1eSRobert Gordon iovp = iov; 56770a701b1eSRobert Gordon iovp->iov_base = (char *)((args->rlist)->u.c_daddr3); 56780a701b1eSRobert Gordon iovp->iov_len = args->data_len; 56797c478bd9Sstevel@tonic-gate } else { 56807c478bd9Sstevel@tonic-gate iovcnt = 1; 56817c478bd9Sstevel@tonic-gate iovp = iov; 56827c478bd9Sstevel@tonic-gate iovp->iov_base = args->data_val; 56837c478bd9Sstevel@tonic-gate iovp->iov_len = args->data_len; 56847c478bd9Sstevel@tonic-gate } 56857c478bd9Sstevel@tonic-gate 56867c478bd9Sstevel@tonic-gate uio.uio_iov = iovp; 56877c478bd9Sstevel@tonic-gate uio.uio_iovcnt = iovcnt; 56887c478bd9Sstevel@tonic-gate 56897c478bd9Sstevel@tonic-gate uio.uio_segflg = UIO_SYSSPACE; 56907c478bd9Sstevel@tonic-gate uio.uio_extflg = UIO_COPY_DEFAULT; 56917c478bd9Sstevel@tonic-gate uio.uio_loffset = args->offset; 56927c478bd9Sstevel@tonic-gate uio.uio_resid = args->data_len; 56937c478bd9Sstevel@tonic-gate uio.uio_llimit = curproc->p_fsz_ctl; 56947c478bd9Sstevel@tonic-gate rlimit = uio.uio_llimit - args->offset; 56957c478bd9Sstevel@tonic-gate if (rlimit < (u_offset_t)uio.uio_resid) 56967c478bd9Sstevel@tonic-gate uio.uio_resid = (int)rlimit; 56977c478bd9Sstevel@tonic-gate 56987c478bd9Sstevel@tonic-gate if (args->stable == UNSTABLE4) 56997c478bd9Sstevel@tonic-gate ioflag = 0; 57007c478bd9Sstevel@tonic-gate else if (args->stable == FILE_SYNC4) 57017c478bd9Sstevel@tonic-gate ioflag = FSYNC; 57027c478bd9Sstevel@tonic-gate else if (args->stable == DATA_SYNC4) 57037c478bd9Sstevel@tonic-gate ioflag = FDSYNC; 57047c478bd9Sstevel@tonic-gate else { 57057c478bd9Sstevel@tonic-gate if (iovp != iov) 57067c478bd9Sstevel@tonic-gate kmem_free(iovp, sizeof (*iovp) * iovcnt); 57077c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 57087c478bd9Sstevel@tonic-gate goto out; 57097c478bd9Sstevel@tonic-gate } 57107c478bd9Sstevel@tonic-gate 57117c478bd9Sstevel@tonic-gate /* 57127c478bd9Sstevel@tonic-gate * We're changing creds because VM may fault and we need 57137c478bd9Sstevel@tonic-gate * the cred of the current thread to be used if quota 57147c478bd9Sstevel@tonic-gate * checking is enabled. 57157c478bd9Sstevel@tonic-gate */ 57167c478bd9Sstevel@tonic-gate savecred = curthread->t_cred; 57177c478bd9Sstevel@tonic-gate curthread->t_cred = cr; 5718da6c28aaSamw error = do_io(FWRITE, vp, &uio, ioflag, cr, &ct); 57197c478bd9Sstevel@tonic-gate curthread->t_cred = savecred; 57207c478bd9Sstevel@tonic-gate 57217c478bd9Sstevel@tonic-gate if (iovp != iov) 57227c478bd9Sstevel@tonic-gate kmem_free(iovp, sizeof (*iovp) * iovcnt); 57237c478bd9Sstevel@tonic-gate 57247c478bd9Sstevel@tonic-gate if (error) { 57257c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 57267c478bd9Sstevel@tonic-gate goto out; 57277c478bd9Sstevel@tonic-gate } 57287c478bd9Sstevel@tonic-gate 57297c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 57307c478bd9Sstevel@tonic-gate resp->count = args->data_len - uio.uio_resid; 57317c478bd9Sstevel@tonic-gate 57327c478bd9Sstevel@tonic-gate if (ioflag == 0) 57337c478bd9Sstevel@tonic-gate resp->committed = UNSTABLE4; 57347c478bd9Sstevel@tonic-gate else 57357c478bd9Sstevel@tonic-gate resp->committed = FILE_SYNC4; 57367c478bd9Sstevel@tonic-gate 57377c478bd9Sstevel@tonic-gate resp->writeverf = Write4verf; 57387c478bd9Sstevel@tonic-gate 57397c478bd9Sstevel@tonic-gate out: 57407c478bd9Sstevel@tonic-gate if (in_crit) 57417c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 5742f3b585ceSsamf 5743f3b585ceSsamf DTRACE_NFSV4_2(op__write__done, struct compound_state *, cs, 5744f3b585ceSsamf WRITE4res *, resp); 57457c478bd9Sstevel@tonic-gate } 57467c478bd9Sstevel@tonic-gate 57477c478bd9Sstevel@tonic-gate 57487c478bd9Sstevel@tonic-gate /* XXX put in a header file */ 57497c478bd9Sstevel@tonic-gate extern int sec_svc_getcred(struct svc_req *, cred_t *, caddr_t *, int *); 57507c478bd9Sstevel@tonic-gate 57517c478bd9Sstevel@tonic-gate void 57527c478bd9Sstevel@tonic-gate rfs4_compound(COMPOUND4args *args, COMPOUND4res *resp, struct exportinfo *exi, 57532e9d26a4Srmesta struct svc_req *req, cred_t *cr, int *rv) 57547c478bd9Sstevel@tonic-gate { 57557c478bd9Sstevel@tonic-gate uint_t i; 57567c478bd9Sstevel@tonic-gate struct compound_state cs; 57577c478bd9Sstevel@tonic-gate 57582e9d26a4Srmesta if (rv != NULL) 57592e9d26a4Srmesta *rv = 0; 57607c478bd9Sstevel@tonic-gate rfs4_init_compound_state(&cs); 57617c478bd9Sstevel@tonic-gate /* 57627c478bd9Sstevel@tonic-gate * Form a reply tag by copying over the reqeuest tag. 57637c478bd9Sstevel@tonic-gate */ 57647c478bd9Sstevel@tonic-gate resp->tag.utf8string_val = 57657c478bd9Sstevel@tonic-gate kmem_alloc(args->tag.utf8string_len, KM_SLEEP); 57667c478bd9Sstevel@tonic-gate resp->tag.utf8string_len = args->tag.utf8string_len; 57677c478bd9Sstevel@tonic-gate bcopy(args->tag.utf8string_val, resp->tag.utf8string_val, 57687c478bd9Sstevel@tonic-gate resp->tag.utf8string_len); 57697c478bd9Sstevel@tonic-gate 57707c478bd9Sstevel@tonic-gate cs.statusp = &resp->status; 5771f3b585ceSsamf cs.req = req; 5772945b8d40SDaniil Lunev resp->array = NULL; 5773945b8d40SDaniil Lunev resp->array_len = 0; 57747c478bd9Sstevel@tonic-gate 57757c478bd9Sstevel@tonic-gate /* 57767c478bd9Sstevel@tonic-gate * XXX for now, minorversion should be zero 57777c478bd9Sstevel@tonic-gate */ 57787c478bd9Sstevel@tonic-gate if (args->minorversion != NFS4_MINORVERSION) { 5779f3b585ceSsamf DTRACE_NFSV4_2(compound__start, struct compound_state *, 5780f3b585ceSsamf &cs, COMPOUND4args *, args); 57817c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_MINOR_VERS_MISMATCH; 5782f3b585ceSsamf DTRACE_NFSV4_2(compound__done, struct compound_state *, 5783f3b585ceSsamf &cs, COMPOUND4res *, resp); 57847c478bd9Sstevel@tonic-gate return; 57857c478bd9Sstevel@tonic-gate } 57867c478bd9Sstevel@tonic-gate 5787945b8d40SDaniil Lunev if (args->array_len == 0) { 5788945b8d40SDaniil Lunev resp->status = NFS4_OK; 5789945b8d40SDaniil Lunev return; 5790945b8d40SDaniil Lunev } 5791945b8d40SDaniil Lunev 57927c478bd9Sstevel@tonic-gate ASSERT(exi == NULL); 57937c478bd9Sstevel@tonic-gate ASSERT(cr == NULL); 57947c478bd9Sstevel@tonic-gate 57957c478bd9Sstevel@tonic-gate cr = crget(); 57967c478bd9Sstevel@tonic-gate ASSERT(cr != NULL); 57977c478bd9Sstevel@tonic-gate 57987c478bd9Sstevel@tonic-gate if (sec_svc_getcred(req, cr, &cs.principal, &cs.nfsflavor) == 0) { 5799f3b585ceSsamf DTRACE_NFSV4_2(compound__start, struct compound_state *, 5800f3b585ceSsamf &cs, COMPOUND4args *, args); 58017c478bd9Sstevel@tonic-gate crfree(cr); 5802f3b585ceSsamf DTRACE_NFSV4_2(compound__done, struct compound_state *, 5803f3b585ceSsamf &cs, COMPOUND4res *, resp); 58042e9d26a4Srmesta svcerr_badcred(req->rq_xprt); 58052e9d26a4Srmesta if (rv != NULL) 58062e9d26a4Srmesta *rv = 1; 58077c478bd9Sstevel@tonic-gate return; 58087c478bd9Sstevel@tonic-gate } 58092e9d26a4Srmesta resp->array_len = args->array_len; 58102e9d26a4Srmesta resp->array = kmem_zalloc(args->array_len * sizeof (nfs_resop4), 58112e9d26a4Srmesta KM_SLEEP); 58127c478bd9Sstevel@tonic-gate 58137c478bd9Sstevel@tonic-gate cs.basecr = cr; 58147c478bd9Sstevel@tonic-gate 5815f3b585ceSsamf DTRACE_NFSV4_2(compound__start, struct compound_state *, &cs, 5816f3b585ceSsamf COMPOUND4args *, args); 58177c478bd9Sstevel@tonic-gate 58187c478bd9Sstevel@tonic-gate /* 58197c478bd9Sstevel@tonic-gate * For now, NFS4 compound processing must be protected by 58207c478bd9Sstevel@tonic-gate * exported_lock because it can access more than one exportinfo 58217c478bd9Sstevel@tonic-gate * per compound and share/unshare can now change multiple 58227c478bd9Sstevel@tonic-gate * exinfo structs. The NFS2/3 code only refs 1 exportinfo 58237c478bd9Sstevel@tonic-gate * per proc (excluding public exinfo), and exi_count design 58247c478bd9Sstevel@tonic-gate * is sufficient to protect concurrent execution of NFS2/3 58257c478bd9Sstevel@tonic-gate * ops along with unexport. This lock will be removed as 58267c478bd9Sstevel@tonic-gate * part of the NFSv4 phase 2 namespace redesign work. 58277c478bd9Sstevel@tonic-gate */ 58287c478bd9Sstevel@tonic-gate rw_enter(&exported_lock, RW_READER); 58297c478bd9Sstevel@tonic-gate 58307c478bd9Sstevel@tonic-gate /* 58317c478bd9Sstevel@tonic-gate * If this is the first compound we've seen, we need to start all 58327c478bd9Sstevel@tonic-gate * new instances' grace periods. 58337c478bd9Sstevel@tonic-gate */ 58347c478bd9Sstevel@tonic-gate if (rfs4_seen_first_compound == 0) { 58357c478bd9Sstevel@tonic-gate rfs4_grace_start_new(); 58367c478bd9Sstevel@tonic-gate /* 58377c478bd9Sstevel@tonic-gate * This must be set after rfs4_grace_start_new(), otherwise 58387c478bd9Sstevel@tonic-gate * another thread could proceed past here before the former 58397c478bd9Sstevel@tonic-gate * is finished. 58407c478bd9Sstevel@tonic-gate */ 58417c478bd9Sstevel@tonic-gate rfs4_seen_first_compound = 1; 58427c478bd9Sstevel@tonic-gate } 58437c478bd9Sstevel@tonic-gate 58447c478bd9Sstevel@tonic-gate for (i = 0; i < args->array_len && cs.cont; i++) { 58457c478bd9Sstevel@tonic-gate nfs_argop4 *argop; 58467c478bd9Sstevel@tonic-gate nfs_resop4 *resop; 58477c478bd9Sstevel@tonic-gate uint_t op; 58487c478bd9Sstevel@tonic-gate 58497c478bd9Sstevel@tonic-gate argop = &args->array[i]; 58507c478bd9Sstevel@tonic-gate resop = &resp->array[i]; 58517c478bd9Sstevel@tonic-gate resop->resop = argop->argop; 58527c478bd9Sstevel@tonic-gate op = (uint_t)resop->resop; 58537c478bd9Sstevel@tonic-gate 58547c478bd9Sstevel@tonic-gate if (op < rfsv4disp_cnt) { 58557c478bd9Sstevel@tonic-gate /* 58567c478bd9Sstevel@tonic-gate * Count the individual ops here; NULL and COMPOUND 58577c478bd9Sstevel@tonic-gate * are counted in common_dispatch() 58587c478bd9Sstevel@tonic-gate */ 58597c478bd9Sstevel@tonic-gate rfsproccnt_v4_ptr[op].value.ui64++; 58607c478bd9Sstevel@tonic-gate 58617c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug > 1, 58627c478bd9Sstevel@tonic-gate (CE_NOTE, "Executing %s", rfs4_op_string[op])); 58637c478bd9Sstevel@tonic-gate (*rfsv4disptab[op].dis_proc)(argop, resop, req, &cs); 58641b300de9Sjwahlig NFS4_DEBUG(rfs4_debug > 1, (CE_NOTE, "%s returned %d", 58657c478bd9Sstevel@tonic-gate rfs4_op_string[op], *cs.statusp)); 58667c478bd9Sstevel@tonic-gate if (*cs.statusp != NFS4_OK) 58677c478bd9Sstevel@tonic-gate cs.cont = FALSE; 58687c478bd9Sstevel@tonic-gate } else { 58697c478bd9Sstevel@tonic-gate /* 58707c478bd9Sstevel@tonic-gate * This is effectively dead code since XDR code 58717c478bd9Sstevel@tonic-gate * will have already returned BADXDR if op doesn't 58727c478bd9Sstevel@tonic-gate * decode to legal value. This only done for a 58737c478bd9Sstevel@tonic-gate * day when XDR code doesn't verify v4 opcodes. 58747c478bd9Sstevel@tonic-gate */ 58757c478bd9Sstevel@tonic-gate op = OP_ILLEGAL; 58767c478bd9Sstevel@tonic-gate rfsproccnt_v4_ptr[OP_ILLEGAL_IDX].value.ui64++; 58777c478bd9Sstevel@tonic-gate 58787c478bd9Sstevel@tonic-gate rfs4_op_illegal(argop, resop, req, &cs); 58797c478bd9Sstevel@tonic-gate cs.cont = FALSE; 58807c478bd9Sstevel@tonic-gate } 58817c478bd9Sstevel@tonic-gate 58827c478bd9Sstevel@tonic-gate /* 58837c478bd9Sstevel@tonic-gate * If not at last op, and if we are to stop, then 58847c478bd9Sstevel@tonic-gate * compact the results array. 58857c478bd9Sstevel@tonic-gate */ 58867c478bd9Sstevel@tonic-gate if ((i + 1) < args->array_len && !cs.cont) { 58877c478bd9Sstevel@tonic-gate nfs_resop4 *new_res = kmem_alloc( 58887c478bd9Sstevel@tonic-gate (i+1) * sizeof (nfs_resop4), KM_SLEEP); 58897c478bd9Sstevel@tonic-gate bcopy(resp->array, 58907c478bd9Sstevel@tonic-gate new_res, (i+1) * sizeof (nfs_resop4)); 58917c478bd9Sstevel@tonic-gate kmem_free(resp->array, 58927c478bd9Sstevel@tonic-gate args->array_len * sizeof (nfs_resop4)); 58937c478bd9Sstevel@tonic-gate 58947c478bd9Sstevel@tonic-gate resp->array_len = i + 1; 58957c478bd9Sstevel@tonic-gate resp->array = new_res; 58967c478bd9Sstevel@tonic-gate } 58977c478bd9Sstevel@tonic-gate } 58987c478bd9Sstevel@tonic-gate 58997c478bd9Sstevel@tonic-gate rw_exit(&exported_lock); 59007c478bd9Sstevel@tonic-gate 5901f3b585ceSsamf DTRACE_NFSV4_2(compound__done, struct compound_state *, &cs, 5902f3b585ceSsamf COMPOUND4res *, resp); 5903f3b585ceSsamf 59047c478bd9Sstevel@tonic-gate if (cs.vp) 59057c478bd9Sstevel@tonic-gate VN_RELE(cs.vp); 59067c478bd9Sstevel@tonic-gate if (cs.saved_vp) 59077c478bd9Sstevel@tonic-gate VN_RELE(cs.saved_vp); 59087c478bd9Sstevel@tonic-gate if (cs.saved_fh.nfs_fh4_val) 59097c478bd9Sstevel@tonic-gate kmem_free(cs.saved_fh.nfs_fh4_val, NFS4_FHSIZE); 59107c478bd9Sstevel@tonic-gate 59117c478bd9Sstevel@tonic-gate if (cs.basecr) 59127c478bd9Sstevel@tonic-gate crfree(cs.basecr); 59137c478bd9Sstevel@tonic-gate if (cs.cr) 59147c478bd9Sstevel@tonic-gate crfree(cs.cr); 591545916cd2Sjpk /* 591645916cd2Sjpk * done with this compound request, free the label 591745916cd2Sjpk */ 591845916cd2Sjpk 591945916cd2Sjpk if (req->rq_label != NULL) { 592045916cd2Sjpk kmem_free(req->rq_label, sizeof (bslabel_t)); 592145916cd2Sjpk req->rq_label = NULL; 592245916cd2Sjpk } 59237c478bd9Sstevel@tonic-gate } 59247c478bd9Sstevel@tonic-gate 59257c478bd9Sstevel@tonic-gate /* 59267c478bd9Sstevel@tonic-gate * XXX because of what appears to be duplicate calls to rfs4_compound_free 59277c478bd9Sstevel@tonic-gate * XXX zero out the tag and array values. Need to investigate why the 59287c478bd9Sstevel@tonic-gate * XXX calls occur, but at least prevent the panic for now. 59297c478bd9Sstevel@tonic-gate */ 59307c478bd9Sstevel@tonic-gate void 59317c478bd9Sstevel@tonic-gate rfs4_compound_free(COMPOUND4res *resp) 59327c478bd9Sstevel@tonic-gate { 59337c478bd9Sstevel@tonic-gate uint_t i; 59347c478bd9Sstevel@tonic-gate 59357c478bd9Sstevel@tonic-gate if (resp->tag.utf8string_val) { 59367c478bd9Sstevel@tonic-gate UTF8STRING_FREE(resp->tag) 59377c478bd9Sstevel@tonic-gate } 59387c478bd9Sstevel@tonic-gate 59397c478bd9Sstevel@tonic-gate for (i = 0; i < resp->array_len; i++) { 59407c478bd9Sstevel@tonic-gate nfs_resop4 *resop; 59417c478bd9Sstevel@tonic-gate uint_t op; 59427c478bd9Sstevel@tonic-gate 59437c478bd9Sstevel@tonic-gate resop = &resp->array[i]; 59447c478bd9Sstevel@tonic-gate op = (uint_t)resop->resop; 59457c478bd9Sstevel@tonic-gate if (op < rfsv4disp_cnt) { 59467c478bd9Sstevel@tonic-gate (*rfsv4disptab[op].dis_resfree)(resop); 59477c478bd9Sstevel@tonic-gate } 59487c478bd9Sstevel@tonic-gate } 59497c478bd9Sstevel@tonic-gate if (resp->array != NULL) { 59507c478bd9Sstevel@tonic-gate kmem_free(resp->array, resp->array_len * sizeof (nfs_resop4)); 59517c478bd9Sstevel@tonic-gate } 59527c478bd9Sstevel@tonic-gate } 59537c478bd9Sstevel@tonic-gate 59547c478bd9Sstevel@tonic-gate /* 59557c478bd9Sstevel@tonic-gate * Process the value of the compound request rpc flags, as a bit-AND 59567c478bd9Sstevel@tonic-gate * of the individual per-op flags (idempotent, allowork, publicfh_ok) 59577c478bd9Sstevel@tonic-gate */ 59587c478bd9Sstevel@tonic-gate void 59597c478bd9Sstevel@tonic-gate rfs4_compound_flagproc(COMPOUND4args *args, int *flagp) 59607c478bd9Sstevel@tonic-gate { 59617c478bd9Sstevel@tonic-gate int i; 59627c478bd9Sstevel@tonic-gate int flag = RPC_ALL; 59637c478bd9Sstevel@tonic-gate 59647c478bd9Sstevel@tonic-gate for (i = 0; flag && i < args->array_len; i++) { 59657c478bd9Sstevel@tonic-gate uint_t op; 59667c478bd9Sstevel@tonic-gate 59677c478bd9Sstevel@tonic-gate op = (uint_t)args->array[i].argop; 59687c478bd9Sstevel@tonic-gate 59697c478bd9Sstevel@tonic-gate if (op < rfsv4disp_cnt) 59707c478bd9Sstevel@tonic-gate flag &= rfsv4disptab[op].dis_flags; 59717c478bd9Sstevel@tonic-gate else 59727c478bd9Sstevel@tonic-gate flag = 0; 59737c478bd9Sstevel@tonic-gate } 59747c478bd9Sstevel@tonic-gate *flagp = flag; 59757c478bd9Sstevel@tonic-gate } 59767c478bd9Sstevel@tonic-gate 59777c478bd9Sstevel@tonic-gate nfsstat4 59787c478bd9Sstevel@tonic-gate rfs4_client_sysid(rfs4_client_t *cp, sysid_t *sp) 59797c478bd9Sstevel@tonic-gate { 59807c478bd9Sstevel@tonic-gate nfsstat4 e; 59817c478bd9Sstevel@tonic-gate 5982d216dff5SRobert Mastors rfs4_dbe_lock(cp->rc_dbe); 59837c478bd9Sstevel@tonic-gate 5984d216dff5SRobert Mastors if (cp->rc_sysidt != LM_NOSYSID) { 5985d216dff5SRobert Mastors *sp = cp->rc_sysidt; 59867c478bd9Sstevel@tonic-gate e = NFS4_OK; 59877c478bd9Sstevel@tonic-gate 5988d216dff5SRobert Mastors } else if ((cp->rc_sysidt = lm_alloc_sysidt()) != LM_NOSYSID) { 5989d216dff5SRobert Mastors *sp = cp->rc_sysidt; 59907c478bd9Sstevel@tonic-gate e = NFS4_OK; 59917c478bd9Sstevel@tonic-gate 59927c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, (CE_NOTE, 59937c478bd9Sstevel@tonic-gate "rfs4_client_sysid: allocated 0x%x\n", *sp)); 59947c478bd9Sstevel@tonic-gate } else 59957c478bd9Sstevel@tonic-gate e = NFS4ERR_DELAY; 59967c478bd9Sstevel@tonic-gate 5997d216dff5SRobert Mastors rfs4_dbe_unlock(cp->rc_dbe); 59987c478bd9Sstevel@tonic-gate return (e); 59997c478bd9Sstevel@tonic-gate } 60007c478bd9Sstevel@tonic-gate 60017c478bd9Sstevel@tonic-gate #if defined(DEBUG) && ! defined(lint) 60027c478bd9Sstevel@tonic-gate static void lock_print(char *str, int operation, struct flock64 *flk) 60037c478bd9Sstevel@tonic-gate { 60047c478bd9Sstevel@tonic-gate char *op, *type; 60057c478bd9Sstevel@tonic-gate 60067c478bd9Sstevel@tonic-gate switch (operation) { 60077c478bd9Sstevel@tonic-gate case F_GETLK: op = "F_GETLK"; 60087c478bd9Sstevel@tonic-gate break; 60097c478bd9Sstevel@tonic-gate case F_SETLK: op = "F_SETLK"; 60107c478bd9Sstevel@tonic-gate break; 6011da6c28aaSamw case F_SETLK_NBMAND: op = "F_SETLK_NBMAND"; 6012da6c28aaSamw break; 60137c478bd9Sstevel@tonic-gate default: op = "F_UNKNOWN"; 60147c478bd9Sstevel@tonic-gate break; 60157c478bd9Sstevel@tonic-gate } 60167c478bd9Sstevel@tonic-gate switch (flk->l_type) { 60177c478bd9Sstevel@tonic-gate case F_UNLCK: type = "F_UNLCK"; 60187c478bd9Sstevel@tonic-gate break; 60197c478bd9Sstevel@tonic-gate case F_RDLCK: type = "F_RDLCK"; 60207c478bd9Sstevel@tonic-gate break; 60217c478bd9Sstevel@tonic-gate case F_WRLCK: type = "F_WRLCK"; 60227c478bd9Sstevel@tonic-gate break; 60237c478bd9Sstevel@tonic-gate default: type = "F_UNKNOWN"; 60247c478bd9Sstevel@tonic-gate break; 60257c478bd9Sstevel@tonic-gate } 60267c478bd9Sstevel@tonic-gate 60277c478bd9Sstevel@tonic-gate ASSERT(flk->l_whence == 0); 60287c478bd9Sstevel@tonic-gate cmn_err(CE_NOTE, "%s: %s, type = %s, off = %llx len = %llx pid = %d", 60291b300de9Sjwahlig str, op, type, (longlong_t)flk->l_start, 60301b300de9Sjwahlig flk->l_len ? (longlong_t)flk->l_len : ~0LL, flk->l_pid); 60317c478bd9Sstevel@tonic-gate } 60327c478bd9Sstevel@tonic-gate 60337c478bd9Sstevel@tonic-gate #define LOCK_PRINT(d, s, t, f) if (d) lock_print(s, t, f) 60347c478bd9Sstevel@tonic-gate #else 60357c478bd9Sstevel@tonic-gate #define LOCK_PRINT(d, s, t, f) 60367c478bd9Sstevel@tonic-gate #endif 60377c478bd9Sstevel@tonic-gate 60387c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 60397c478bd9Sstevel@tonic-gate static bool_t 60407c478bd9Sstevel@tonic-gate creds_ok(cred_set_t cr_set, struct svc_req *req, struct compound_state *cs) 60417c478bd9Sstevel@tonic-gate { 60427c478bd9Sstevel@tonic-gate return (TRUE); 60437c478bd9Sstevel@tonic-gate } 60447c478bd9Sstevel@tonic-gate 60457c478bd9Sstevel@tonic-gate /* 60467c478bd9Sstevel@tonic-gate * Look up the pathname using the vp in cs as the directory vnode. 60477c478bd9Sstevel@tonic-gate * cs->vp will be the vnode for the file on success 60487c478bd9Sstevel@tonic-gate */ 60497c478bd9Sstevel@tonic-gate 60507c478bd9Sstevel@tonic-gate static nfsstat4 60517c478bd9Sstevel@tonic-gate rfs4_lookup(component4 *component, struct svc_req *req, 60527c478bd9Sstevel@tonic-gate struct compound_state *cs) 60537c478bd9Sstevel@tonic-gate { 60547c478bd9Sstevel@tonic-gate char *nm; 60557c478bd9Sstevel@tonic-gate uint32_t len; 60567c478bd9Sstevel@tonic-gate nfsstat4 status; 6057593cc11bSJan Kryl struct sockaddr *ca; 6058593cc11bSJan Kryl char *name; 60597c478bd9Sstevel@tonic-gate 60607c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 60617c478bd9Sstevel@tonic-gate return (NFS4ERR_NOFILEHANDLE); 60627c478bd9Sstevel@tonic-gate } 60637c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VDIR) { 60647c478bd9Sstevel@tonic-gate return (NFS4ERR_NOTDIR); 60657c478bd9Sstevel@tonic-gate } 60667c478bd9Sstevel@tonic-gate 606715721462SDaniil Lunev status = utf8_dir_verify(component); 606815721462SDaniil Lunev if (status != NFS4_OK) 606915721462SDaniil Lunev return (status); 60707c478bd9Sstevel@tonic-gate 60717c478bd9Sstevel@tonic-gate nm = utf8_to_fn(component, &len, NULL); 60727c478bd9Sstevel@tonic-gate if (nm == NULL) { 60737c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 60747c478bd9Sstevel@tonic-gate } 60757c478bd9Sstevel@tonic-gate 60767c478bd9Sstevel@tonic-gate if (len > MAXNAMELEN) { 60777c478bd9Sstevel@tonic-gate kmem_free(nm, len); 60787c478bd9Sstevel@tonic-gate return (NFS4ERR_NAMETOOLONG); 60797c478bd9Sstevel@tonic-gate } 60807c478bd9Sstevel@tonic-gate 6081593cc11bSJan Kryl ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 6082593cc11bSJan Kryl name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 6083593cc11bSJan Kryl MAXPATHLEN + 1); 6084593cc11bSJan Kryl 6085593cc11bSJan Kryl if (name == NULL) { 6086593cc11bSJan Kryl kmem_free(nm, len); 6087593cc11bSJan Kryl return (NFS4ERR_INVAL); 6088593cc11bSJan Kryl } 6089593cc11bSJan Kryl 6090593cc11bSJan Kryl status = do_rfs4_op_lookup(name, req, cs); 6091593cc11bSJan Kryl 6092593cc11bSJan Kryl if (name != nm) 6093593cc11bSJan Kryl kmem_free(name, MAXPATHLEN + 1); 60947c478bd9Sstevel@tonic-gate 60957c478bd9Sstevel@tonic-gate kmem_free(nm, len); 60967c478bd9Sstevel@tonic-gate 60977c478bd9Sstevel@tonic-gate return (status); 60987c478bd9Sstevel@tonic-gate } 60997c478bd9Sstevel@tonic-gate 61007c478bd9Sstevel@tonic-gate static nfsstat4 61017c478bd9Sstevel@tonic-gate rfs4_lookupfile(component4 *component, struct svc_req *req, 6102d216dff5SRobert Mastors struct compound_state *cs, uint32_t access, change_info4 *cinfo) 61037c478bd9Sstevel@tonic-gate { 61047c478bd9Sstevel@tonic-gate nfsstat4 status; 61057c478bd9Sstevel@tonic-gate vnode_t *dvp = cs->vp; 61067c478bd9Sstevel@tonic-gate vattr_t bva, ava, fva; 61077c478bd9Sstevel@tonic-gate int error; 61087c478bd9Sstevel@tonic-gate 61097c478bd9Sstevel@tonic-gate /* Get "before" change value */ 61107c478bd9Sstevel@tonic-gate bva.va_mask = AT_CTIME|AT_SEQ; 6111da6c28aaSamw error = VOP_GETATTR(dvp, &bva, 0, cs->cr, NULL); 61127c478bd9Sstevel@tonic-gate if (error) 61137c478bd9Sstevel@tonic-gate return (puterrno4(error)); 61147c478bd9Sstevel@tonic-gate 61157c478bd9Sstevel@tonic-gate /* rfs4_lookup may VN_RELE directory */ 61167c478bd9Sstevel@tonic-gate VN_HOLD(dvp); 61177c478bd9Sstevel@tonic-gate 61187c478bd9Sstevel@tonic-gate status = rfs4_lookup(component, req, cs); 61197c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 61207c478bd9Sstevel@tonic-gate VN_RELE(dvp); 61217c478bd9Sstevel@tonic-gate return (status); 61227c478bd9Sstevel@tonic-gate } 61237c478bd9Sstevel@tonic-gate 61247c478bd9Sstevel@tonic-gate /* 61257c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 61267c478bd9Sstevel@tonic-gate * before value. 61277c478bd9Sstevel@tonic-gate */ 61287c478bd9Sstevel@tonic-gate ava.va_mask = AT_CTIME|AT_SEQ; 6129da6c28aaSamw if (VOP_GETATTR(dvp, &ava, 0, cs->cr, NULL)) { 61307c478bd9Sstevel@tonic-gate ava.va_ctime = bva.va_ctime; 61317c478bd9Sstevel@tonic-gate ava.va_seq = 0; 61327c478bd9Sstevel@tonic-gate } 61337c478bd9Sstevel@tonic-gate VN_RELE(dvp); 61347c478bd9Sstevel@tonic-gate 61357c478bd9Sstevel@tonic-gate /* 61367c478bd9Sstevel@tonic-gate * Validate the file is a file 61377c478bd9Sstevel@tonic-gate */ 61387c478bd9Sstevel@tonic-gate fva.va_mask = AT_TYPE|AT_MODE; 6139da6c28aaSamw error = VOP_GETATTR(cs->vp, &fva, 0, cs->cr, NULL); 61407c478bd9Sstevel@tonic-gate if (error) 61417c478bd9Sstevel@tonic-gate return (puterrno4(error)); 61427c478bd9Sstevel@tonic-gate 61437c478bd9Sstevel@tonic-gate if (fva.va_type != VREG) { 61447c478bd9Sstevel@tonic-gate if (fva.va_type == VDIR) 61457c478bd9Sstevel@tonic-gate return (NFS4ERR_ISDIR); 61467c478bd9Sstevel@tonic-gate if (fva.va_type == VLNK) 61477c478bd9Sstevel@tonic-gate return (NFS4ERR_SYMLINK); 61487c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 61497c478bd9Sstevel@tonic-gate } 61507c478bd9Sstevel@tonic-gate 61517c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->before, bva.va_ctime); 61527c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->after, ava.va_ctime); 61537c478bd9Sstevel@tonic-gate 61547c478bd9Sstevel@tonic-gate /* 61557c478bd9Sstevel@tonic-gate * It is undefined if VOP_LOOKUP will change va_seq, so 61567c478bd9Sstevel@tonic-gate * cinfo.atomic = TRUE only if we have 61577c478bd9Sstevel@tonic-gate * non-zero va_seq's, and they have not changed. 61587c478bd9Sstevel@tonic-gate */ 61597c478bd9Sstevel@tonic-gate if (bva.va_seq && ava.va_seq && ava.va_seq == bva.va_seq) 61607c478bd9Sstevel@tonic-gate cinfo->atomic = TRUE; 61617c478bd9Sstevel@tonic-gate else 61627c478bd9Sstevel@tonic-gate cinfo->atomic = FALSE; 61637c478bd9Sstevel@tonic-gate 61647c478bd9Sstevel@tonic-gate /* Check for mandatory locking */ 61657c478bd9Sstevel@tonic-gate cs->mandlock = MANDLOCK(cs->vp, fva.va_mode); 61667c478bd9Sstevel@tonic-gate return (check_open_access(access, cs, req)); 61677c478bd9Sstevel@tonic-gate } 61687c478bd9Sstevel@tonic-gate 61697c478bd9Sstevel@tonic-gate static nfsstat4 61707c478bd9Sstevel@tonic-gate create_vnode(vnode_t *dvp, char *nm, vattr_t *vap, createmode4 mode, 61717c478bd9Sstevel@tonic-gate timespec32_t *mtime, cred_t *cr, vnode_t **vpp, bool_t *created) 61727c478bd9Sstevel@tonic-gate { 61737c478bd9Sstevel@tonic-gate int error; 61747c478bd9Sstevel@tonic-gate nfsstat4 status = NFS4_OK; 61757c478bd9Sstevel@tonic-gate vattr_t va; 61767c478bd9Sstevel@tonic-gate 61777c478bd9Sstevel@tonic-gate tryagain: 61787c478bd9Sstevel@tonic-gate 61797c478bd9Sstevel@tonic-gate /* 61807c478bd9Sstevel@tonic-gate * The file open mode used is VWRITE. If the client needs 61817c478bd9Sstevel@tonic-gate * some other semantic, then it should do the access checking 61827c478bd9Sstevel@tonic-gate * itself. It would have been nice to have the file open mode 61837c478bd9Sstevel@tonic-gate * passed as part of the arguments. 61847c478bd9Sstevel@tonic-gate */ 61857c478bd9Sstevel@tonic-gate 61867c478bd9Sstevel@tonic-gate *created = TRUE; 6187da6c28aaSamw error = VOP_CREATE(dvp, nm, vap, EXCL, VWRITE, vpp, cr, 0, NULL, NULL); 61887c478bd9Sstevel@tonic-gate 61897c478bd9Sstevel@tonic-gate if (error) { 61907c478bd9Sstevel@tonic-gate *created = FALSE; 61917c478bd9Sstevel@tonic-gate 61927c478bd9Sstevel@tonic-gate /* 61937c478bd9Sstevel@tonic-gate * If we got something other than file already exists 61947c478bd9Sstevel@tonic-gate * then just return this error. Otherwise, we got 61957c478bd9Sstevel@tonic-gate * EEXIST. If we were doing a GUARDED create, then 61967c478bd9Sstevel@tonic-gate * just return this error. Otherwise, we need to 61977c478bd9Sstevel@tonic-gate * make sure that this wasn't a duplicate of an 61987c478bd9Sstevel@tonic-gate * exclusive create request. 61997c478bd9Sstevel@tonic-gate * 62007c478bd9Sstevel@tonic-gate * The assumption is made that a non-exclusive create 62017c478bd9Sstevel@tonic-gate * request will never return EEXIST. 62027c478bd9Sstevel@tonic-gate */ 62037c478bd9Sstevel@tonic-gate 62047c478bd9Sstevel@tonic-gate if (error != EEXIST || mode == GUARDED4) { 62057c478bd9Sstevel@tonic-gate status = puterrno4(error); 62067c478bd9Sstevel@tonic-gate return (status); 62077c478bd9Sstevel@tonic-gate } 6208da6c28aaSamw error = VOP_LOOKUP(dvp, nm, vpp, NULL, 0, NULL, cr, 6209da6c28aaSamw NULL, NULL, NULL); 62107c478bd9Sstevel@tonic-gate 62117c478bd9Sstevel@tonic-gate if (error) { 62127c478bd9Sstevel@tonic-gate /* 62137c478bd9Sstevel@tonic-gate * We couldn't find the file that we thought that 62147c478bd9Sstevel@tonic-gate * we just created. So, we'll just try creating 62157c478bd9Sstevel@tonic-gate * it again. 62167c478bd9Sstevel@tonic-gate */ 62177c478bd9Sstevel@tonic-gate if (error == ENOENT) 62187c478bd9Sstevel@tonic-gate goto tryagain; 62197c478bd9Sstevel@tonic-gate 62207c478bd9Sstevel@tonic-gate status = puterrno4(error); 62217c478bd9Sstevel@tonic-gate return (status); 62227c478bd9Sstevel@tonic-gate } 62237c478bd9Sstevel@tonic-gate 62247c478bd9Sstevel@tonic-gate if (mode == UNCHECKED4) { 62257c478bd9Sstevel@tonic-gate /* existing object must be regular file */ 62267c478bd9Sstevel@tonic-gate if ((*vpp)->v_type != VREG) { 62277c478bd9Sstevel@tonic-gate if ((*vpp)->v_type == VDIR) 62287c478bd9Sstevel@tonic-gate status = NFS4ERR_ISDIR; 62297c478bd9Sstevel@tonic-gate else if ((*vpp)->v_type == VLNK) 62307c478bd9Sstevel@tonic-gate status = NFS4ERR_SYMLINK; 62317c478bd9Sstevel@tonic-gate else 62327c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 62337c478bd9Sstevel@tonic-gate VN_RELE(*vpp); 62347c478bd9Sstevel@tonic-gate return (status); 62357c478bd9Sstevel@tonic-gate } 62367c478bd9Sstevel@tonic-gate 62377c478bd9Sstevel@tonic-gate return (NFS4_OK); 62387c478bd9Sstevel@tonic-gate } 62397c478bd9Sstevel@tonic-gate 62407c478bd9Sstevel@tonic-gate /* Check for duplicate request */ 62417c478bd9Sstevel@tonic-gate ASSERT(mtime != 0); 62427c478bd9Sstevel@tonic-gate va.va_mask = AT_MTIME; 6243da6c28aaSamw error = VOP_GETATTR(*vpp, &va, 0, cr, NULL); 62447c478bd9Sstevel@tonic-gate if (!error) { 62457c478bd9Sstevel@tonic-gate /* We found the file */ 62467c478bd9Sstevel@tonic-gate if (va.va_mtime.tv_sec != mtime->tv_sec || 62477c478bd9Sstevel@tonic-gate va.va_mtime.tv_nsec != mtime->tv_nsec) { 62487c478bd9Sstevel@tonic-gate /* but its not our creation */ 62497c478bd9Sstevel@tonic-gate VN_RELE(*vpp); 62507c478bd9Sstevel@tonic-gate return (NFS4ERR_EXIST); 62517c478bd9Sstevel@tonic-gate } 62527c478bd9Sstevel@tonic-gate *created = TRUE; /* retrans of create == created */ 62537c478bd9Sstevel@tonic-gate return (NFS4_OK); 62547c478bd9Sstevel@tonic-gate } 62557c478bd9Sstevel@tonic-gate VN_RELE(*vpp); 62567c478bd9Sstevel@tonic-gate return (NFS4ERR_EXIST); 62577c478bd9Sstevel@tonic-gate } 62587c478bd9Sstevel@tonic-gate 62597c478bd9Sstevel@tonic-gate return (NFS4_OK); 62607c478bd9Sstevel@tonic-gate } 62617c478bd9Sstevel@tonic-gate 62627c478bd9Sstevel@tonic-gate static nfsstat4 6263d216dff5SRobert Mastors check_open_access(uint32_t access, struct compound_state *cs, 6264d216dff5SRobert Mastors struct svc_req *req) 62657c478bd9Sstevel@tonic-gate { 62667c478bd9Sstevel@tonic-gate int error; 62677c478bd9Sstevel@tonic-gate vnode_t *vp; 62687c478bd9Sstevel@tonic-gate bool_t readonly; 62697c478bd9Sstevel@tonic-gate cred_t *cr = cs->cr; 62707c478bd9Sstevel@tonic-gate 62717c478bd9Sstevel@tonic-gate /* For now we don't allow mandatory locking as per V2/V3 */ 62727c478bd9Sstevel@tonic-gate if (cs->access == CS_ACCESS_DENIED || cs->mandlock) { 62737c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 62747c478bd9Sstevel@tonic-gate } 62757c478bd9Sstevel@tonic-gate 62767c478bd9Sstevel@tonic-gate vp = cs->vp; 62777c478bd9Sstevel@tonic-gate ASSERT(cr != NULL && vp->v_type == VREG); 62787c478bd9Sstevel@tonic-gate 62797c478bd9Sstevel@tonic-gate /* 62807c478bd9Sstevel@tonic-gate * If the file system is exported read only and we are trying 62817c478bd9Sstevel@tonic-gate * to open for write, then return NFS4ERR_ROFS 62827c478bd9Sstevel@tonic-gate */ 62837c478bd9Sstevel@tonic-gate 62845cb0d679SMarcel Telka readonly = rdonly4(req, cs); 62857c478bd9Sstevel@tonic-gate 62867c478bd9Sstevel@tonic-gate if ((access & OPEN4_SHARE_ACCESS_WRITE) && readonly) 62877c478bd9Sstevel@tonic-gate return (NFS4ERR_ROFS); 62887c478bd9Sstevel@tonic-gate 62897c478bd9Sstevel@tonic-gate if (access & OPEN4_SHARE_ACCESS_READ) { 6290da6c28aaSamw if ((VOP_ACCESS(vp, VREAD, 0, cr, NULL) != 0) && 6291da6c28aaSamw (VOP_ACCESS(vp, VEXEC, 0, cr, NULL) != 0)) { 62927c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 62937c478bd9Sstevel@tonic-gate } 62947c478bd9Sstevel@tonic-gate } 62957c478bd9Sstevel@tonic-gate 62967c478bd9Sstevel@tonic-gate if (access & OPEN4_SHARE_ACCESS_WRITE) { 6297da6c28aaSamw error = VOP_ACCESS(vp, VWRITE, 0, cr, NULL); 62987c478bd9Sstevel@tonic-gate if (error) 62997c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 63007c478bd9Sstevel@tonic-gate } 63017c478bd9Sstevel@tonic-gate 63027c478bd9Sstevel@tonic-gate return (NFS4_OK); 63037c478bd9Sstevel@tonic-gate } 63047c478bd9Sstevel@tonic-gate 63057c478bd9Sstevel@tonic-gate static nfsstat4 63067c478bd9Sstevel@tonic-gate rfs4_createfile(OPEN4args *args, struct svc_req *req, struct compound_state *cs, 63077c478bd9Sstevel@tonic-gate change_info4 *cinfo, bitmap4 *attrset, clientid4 clientid) 63087c478bd9Sstevel@tonic-gate { 63097c478bd9Sstevel@tonic-gate struct nfs4_svgetit_arg sarg; 63107c478bd9Sstevel@tonic-gate struct nfs4_ntov_table ntov; 63117c478bd9Sstevel@tonic-gate 63127c478bd9Sstevel@tonic-gate bool_t ntov_table_init = FALSE; 63137c478bd9Sstevel@tonic-gate struct statvfs64 sb; 63147c478bd9Sstevel@tonic-gate nfsstat4 status; 63157c478bd9Sstevel@tonic-gate vnode_t *vp; 63167c478bd9Sstevel@tonic-gate vattr_t bva, ava, iva, cva, *vap; 63177c478bd9Sstevel@tonic-gate vnode_t *dvp; 63187c478bd9Sstevel@tonic-gate timespec32_t *mtime; 63197c478bd9Sstevel@tonic-gate char *nm = NULL; 63207c478bd9Sstevel@tonic-gate uint_t buflen; 63217c478bd9Sstevel@tonic-gate bool_t created; 63227c478bd9Sstevel@tonic-gate bool_t setsize = FALSE; 63237c478bd9Sstevel@tonic-gate len_t reqsize; 63247c478bd9Sstevel@tonic-gate int error; 63257c478bd9Sstevel@tonic-gate bool_t trunc; 63267c478bd9Sstevel@tonic-gate caller_context_t ct; 63277c478bd9Sstevel@tonic-gate component4 *component; 632845916cd2Sjpk bslabel_t *clabel; 6329b89a8333Snatalie li - Sun Microsystems - Irvine United States struct sockaddr *ca; 6330b89a8333Snatalie li - Sun Microsystems - Irvine United States char *name = NULL; 63317c478bd9Sstevel@tonic-gate 63327c478bd9Sstevel@tonic-gate sarg.sbp = &sb; 63332f172c55SRobert Thurlow sarg.is_referral = B_FALSE; 63347c478bd9Sstevel@tonic-gate 63357c478bd9Sstevel@tonic-gate dvp = cs->vp; 63367c478bd9Sstevel@tonic-gate 63377c478bd9Sstevel@tonic-gate /* Check if the file system is read only */ 63385cb0d679SMarcel Telka if (rdonly4(req, cs)) 63397c478bd9Sstevel@tonic-gate return (NFS4ERR_ROFS); 63407c478bd9Sstevel@tonic-gate 634145916cd2Sjpk /* check the label of including directory */ 634245916cd2Sjpk if (is_system_labeled()) { 634345916cd2Sjpk ASSERT(req->rq_label != NULL); 634445916cd2Sjpk clabel = req->rq_label; 634545916cd2Sjpk DTRACE_PROBE2(tx__rfs4__log__info__opremove__clabel, char *, 634645916cd2Sjpk "got client label from request(1)", 634745916cd2Sjpk struct svc_req *, req); 634845916cd2Sjpk if (!blequal(&l_admin_low->tsl_label, clabel)) { 6349bd6f1640SJarrett Lu if (!do_rfs_label_check(clabel, dvp, EQUALITY_CHECK, 6350bd6f1640SJarrett Lu cs->exi)) { 635145916cd2Sjpk return (NFS4ERR_ACCESS); 635245916cd2Sjpk } 635345916cd2Sjpk } 635445916cd2Sjpk } 635545916cd2Sjpk 63567c478bd9Sstevel@tonic-gate /* 63577c478bd9Sstevel@tonic-gate * Get the last component of path name in nm. cs will reference 63587c478bd9Sstevel@tonic-gate * the including directory on success. 63597c478bd9Sstevel@tonic-gate */ 63607c478bd9Sstevel@tonic-gate component = &args->open_claim4_u.file; 636115721462SDaniil Lunev status = utf8_dir_verify(component); 636215721462SDaniil Lunev if (status != NFS4_OK) 636315721462SDaniil Lunev return (status); 63647c478bd9Sstevel@tonic-gate 63657c478bd9Sstevel@tonic-gate nm = utf8_to_fn(component, &buflen, NULL); 63667c478bd9Sstevel@tonic-gate 63677c478bd9Sstevel@tonic-gate if (nm == NULL) 63687c478bd9Sstevel@tonic-gate return (NFS4ERR_RESOURCE); 63697c478bd9Sstevel@tonic-gate 63707c478bd9Sstevel@tonic-gate if (buflen > MAXNAMELEN) { 63717c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 63727c478bd9Sstevel@tonic-gate return (NFS4ERR_NAMETOOLONG); 63737c478bd9Sstevel@tonic-gate } 63747c478bd9Sstevel@tonic-gate 63757c478bd9Sstevel@tonic-gate bva.va_mask = AT_TYPE|AT_CTIME|AT_SEQ; 6376da6c28aaSamw error = VOP_GETATTR(dvp, &bva, 0, cs->cr, NULL); 63777c478bd9Sstevel@tonic-gate if (error) { 63787c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 63797c478bd9Sstevel@tonic-gate return (puterrno4(error)); 63807c478bd9Sstevel@tonic-gate } 63817c478bd9Sstevel@tonic-gate 63827c478bd9Sstevel@tonic-gate if (bva.va_type != VDIR) { 63837c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 63847c478bd9Sstevel@tonic-gate return (NFS4ERR_NOTDIR); 63857c478bd9Sstevel@tonic-gate } 63867c478bd9Sstevel@tonic-gate 63877c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->before, bva.va_ctime) 63887c478bd9Sstevel@tonic-gate 63897c478bd9Sstevel@tonic-gate switch (args->mode) { 63907c478bd9Sstevel@tonic-gate case GUARDED4: 63917c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 63927c478bd9Sstevel@tonic-gate case UNCHECKED4: 63937c478bd9Sstevel@tonic-gate nfs4_ntov_table_init(&ntov); 63947c478bd9Sstevel@tonic-gate ntov_table_init = TRUE; 63957c478bd9Sstevel@tonic-gate 63967c478bd9Sstevel@tonic-gate *attrset = 0; 63977c478bd9Sstevel@tonic-gate status = do_rfs4_set_attrs(attrset, 63987c478bd9Sstevel@tonic-gate &args->createhow4_u.createattrs, 63997c478bd9Sstevel@tonic-gate cs, &sarg, &ntov, NFS4ATTR_SETIT); 64007c478bd9Sstevel@tonic-gate 64017c478bd9Sstevel@tonic-gate if (status == NFS4_OK && (sarg.vap->va_mask & AT_TYPE) && 64027c478bd9Sstevel@tonic-gate sarg.vap->va_type != VREG) { 64037c478bd9Sstevel@tonic-gate if (sarg.vap->va_type == VDIR) 64047c478bd9Sstevel@tonic-gate status = NFS4ERR_ISDIR; 64057c478bd9Sstevel@tonic-gate else if (sarg.vap->va_type == VLNK) 64067c478bd9Sstevel@tonic-gate status = NFS4ERR_SYMLINK; 64077c478bd9Sstevel@tonic-gate else 64087c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 64097c478bd9Sstevel@tonic-gate } 64107c478bd9Sstevel@tonic-gate 64117c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 64127c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 64137c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 64147c478bd9Sstevel@tonic-gate *attrset = 0; 64157c478bd9Sstevel@tonic-gate return (status); 64167c478bd9Sstevel@tonic-gate } 64177c478bd9Sstevel@tonic-gate 64187c478bd9Sstevel@tonic-gate vap = sarg.vap; 64197c478bd9Sstevel@tonic-gate vap->va_type = VREG; 64207c478bd9Sstevel@tonic-gate vap->va_mask |= AT_TYPE; 64217c478bd9Sstevel@tonic-gate 64227c478bd9Sstevel@tonic-gate if ((vap->va_mask & AT_MODE) == 0) { 64237c478bd9Sstevel@tonic-gate vap->va_mask |= AT_MODE; 64247c478bd9Sstevel@tonic-gate vap->va_mode = (mode_t)0600; 64257c478bd9Sstevel@tonic-gate } 64267c478bd9Sstevel@tonic-gate 64277c478bd9Sstevel@tonic-gate if (vap->va_mask & AT_SIZE) { 64287c478bd9Sstevel@tonic-gate 64297c478bd9Sstevel@tonic-gate /* Disallow create with a non-zero size */ 64307c478bd9Sstevel@tonic-gate 64317c478bd9Sstevel@tonic-gate if ((reqsize = sarg.vap->va_size) != 0) { 64327c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 64337c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 64347c478bd9Sstevel@tonic-gate *attrset = 0; 64357c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 64367c478bd9Sstevel@tonic-gate } 64377c478bd9Sstevel@tonic-gate setsize = TRUE; 64387c478bd9Sstevel@tonic-gate } 64397c478bd9Sstevel@tonic-gate break; 64407c478bd9Sstevel@tonic-gate 64417c478bd9Sstevel@tonic-gate case EXCLUSIVE4: 64427c478bd9Sstevel@tonic-gate /* prohibit EXCL create of named attributes */ 64437c478bd9Sstevel@tonic-gate if (dvp->v_flag & V_XATTRDIR) { 64447c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 64457c478bd9Sstevel@tonic-gate *attrset = 0; 64467c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 64477c478bd9Sstevel@tonic-gate } 64487c478bd9Sstevel@tonic-gate 64497c478bd9Sstevel@tonic-gate cva.va_mask = AT_TYPE | AT_MTIME | AT_MODE; 64507c478bd9Sstevel@tonic-gate cva.va_type = VREG; 64517c478bd9Sstevel@tonic-gate /* 64527c478bd9Sstevel@tonic-gate * Ensure no time overflows. Assumes underlying 64537c478bd9Sstevel@tonic-gate * filesystem supports at least 32 bits. 64547c478bd9Sstevel@tonic-gate * Truncate nsec to usec resolution to allow valid 64557c478bd9Sstevel@tonic-gate * compares even if the underlying filesystem truncates. 64567c478bd9Sstevel@tonic-gate */ 64577c478bd9Sstevel@tonic-gate mtime = (timespec32_t *)&args->createhow4_u.createverf; 64587c478bd9Sstevel@tonic-gate cva.va_mtime.tv_sec = mtime->tv_sec % TIME32_MAX; 64597c478bd9Sstevel@tonic-gate cva.va_mtime.tv_nsec = (mtime->tv_nsec / 1000) * 1000; 64607c478bd9Sstevel@tonic-gate cva.va_mode = (mode_t)0; 64617c478bd9Sstevel@tonic-gate vap = &cva; 6462476ea8c9SJeff A. Smith 6463476ea8c9SJeff A. Smith /* 6464476ea8c9SJeff A. Smith * For EXCL create, attrset is set to the server attr 6465476ea8c9SJeff A. Smith * used to cache the client's verifier. 6466476ea8c9SJeff A. Smith */ 6467476ea8c9SJeff A. Smith *attrset = FATTR4_TIME_MODIFY_MASK; 64687c478bd9Sstevel@tonic-gate break; 64697c478bd9Sstevel@tonic-gate } 64707c478bd9Sstevel@tonic-gate 6471b89a8333Snatalie li - Sun Microsystems - Irvine United States ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 6472b89a8333Snatalie li - Sun Microsystems - Irvine United States name = nfscmd_convname(ca, cs->exi, nm, NFSCMD_CONV_INBOUND, 6473b89a8333Snatalie li - Sun Microsystems - Irvine United States MAXPATHLEN + 1); 6474b89a8333Snatalie li - Sun Microsystems - Irvine United States 6475b89a8333Snatalie li - Sun Microsystems - Irvine United States if (name == NULL) { 6476b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(nm, buflen); 6477b89a8333Snatalie li - Sun Microsystems - Irvine United States return (NFS4ERR_SERVERFAULT); 6478b89a8333Snatalie li - Sun Microsystems - Irvine United States } 6479b89a8333Snatalie li - Sun Microsystems - Irvine United States 6480b89a8333Snatalie li - Sun Microsystems - Irvine United States status = create_vnode(dvp, name, vap, args->mode, mtime, 64817c478bd9Sstevel@tonic-gate cs->cr, &vp, &created); 6482b89a8333Snatalie li - Sun Microsystems - Irvine United States if (nm != name) 6483b89a8333Snatalie li - Sun Microsystems - Irvine United States kmem_free(name, MAXPATHLEN + 1); 64847c478bd9Sstevel@tonic-gate kmem_free(nm, buflen); 64857c478bd9Sstevel@tonic-gate 64867c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 64877c478bd9Sstevel@tonic-gate if (ntov_table_init) 64887c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 64897c478bd9Sstevel@tonic-gate *attrset = 0; 64907c478bd9Sstevel@tonic-gate return (status); 64917c478bd9Sstevel@tonic-gate } 64927c478bd9Sstevel@tonic-gate 64937c478bd9Sstevel@tonic-gate trunc = (setsize && !created); 64947c478bd9Sstevel@tonic-gate 64957c478bd9Sstevel@tonic-gate if (args->mode != EXCLUSIVE4) { 64967c478bd9Sstevel@tonic-gate bitmap4 createmask = args->createhow4_u.createattrs.attrmask; 64977c478bd9Sstevel@tonic-gate 64987c478bd9Sstevel@tonic-gate /* 64997c478bd9Sstevel@tonic-gate * True verification that object was created with correct 65007c478bd9Sstevel@tonic-gate * attrs is impossible. The attrs could have been changed 65017c478bd9Sstevel@tonic-gate * immediately after object creation. If attributes did 65027c478bd9Sstevel@tonic-gate * not verify, the only recourse for the server is to 65037c478bd9Sstevel@tonic-gate * destroy the object. Maybe if some attrs (like gid) 65047c478bd9Sstevel@tonic-gate * are set incorrectly, the object should be destroyed; 65057c478bd9Sstevel@tonic-gate * however, seems bad as a default policy. Do we really 65067c478bd9Sstevel@tonic-gate * want to destroy an object over one of the times not 65077c478bd9Sstevel@tonic-gate * verifying correctly? For these reasons, the server 65087c478bd9Sstevel@tonic-gate * currently sets bits in attrset for createattrs 65097c478bd9Sstevel@tonic-gate * that were set; however, no verification is done. 65107c478bd9Sstevel@tonic-gate * 65117c478bd9Sstevel@tonic-gate * vmask_to_nmask accounts for vattr bits set on create 65127c478bd9Sstevel@tonic-gate * [do_rfs4_set_attrs() only sets resp bits for 65137c478bd9Sstevel@tonic-gate * non-vattr/vfs bits.] 65147c478bd9Sstevel@tonic-gate * Mask off any bits we set by default so as not to return 65157c478bd9Sstevel@tonic-gate * more attrset bits than were requested in createattrs 65167c478bd9Sstevel@tonic-gate */ 65177c478bd9Sstevel@tonic-gate if (created) { 65187c478bd9Sstevel@tonic-gate nfs4_vmask_to_nmask(sarg.vap->va_mask, attrset); 65197c478bd9Sstevel@tonic-gate *attrset &= createmask; 65207c478bd9Sstevel@tonic-gate } else { 65217c478bd9Sstevel@tonic-gate /* 65227c478bd9Sstevel@tonic-gate * We did not create the vnode (we tried but it 65237c478bd9Sstevel@tonic-gate * already existed). In this case, the only createattr 65247c478bd9Sstevel@tonic-gate * that the spec allows the server to set is size, 65257c478bd9Sstevel@tonic-gate * and even then, it can only be set if it is 0. 65267c478bd9Sstevel@tonic-gate */ 65277c478bd9Sstevel@tonic-gate *attrset = 0; 65287c478bd9Sstevel@tonic-gate if (trunc) 65297c478bd9Sstevel@tonic-gate *attrset = FATTR4_SIZE_MASK; 65307c478bd9Sstevel@tonic-gate } 65317c478bd9Sstevel@tonic-gate } 65327c478bd9Sstevel@tonic-gate if (ntov_table_init) 65337c478bd9Sstevel@tonic-gate nfs4_ntov_table_free(&ntov, &sarg); 65347c478bd9Sstevel@tonic-gate 65357c478bd9Sstevel@tonic-gate /* 65367c478bd9Sstevel@tonic-gate * Get the initial "after" sequence number, if it fails, 65377c478bd9Sstevel@tonic-gate * set to zero, time to before. 65387c478bd9Sstevel@tonic-gate */ 65397c478bd9Sstevel@tonic-gate iva.va_mask = AT_CTIME|AT_SEQ; 6540da6c28aaSamw if (VOP_GETATTR(dvp, &iva, 0, cs->cr, NULL)) { 65417c478bd9Sstevel@tonic-gate iva.va_seq = 0; 65427c478bd9Sstevel@tonic-gate iva.va_ctime = bva.va_ctime; 65437c478bd9Sstevel@tonic-gate } 65447c478bd9Sstevel@tonic-gate 65457c478bd9Sstevel@tonic-gate /* 65467c478bd9Sstevel@tonic-gate * create_vnode attempts to create the file exclusive, 65477c478bd9Sstevel@tonic-gate * if it already exists the VOP_CREATE will fail and 65487c478bd9Sstevel@tonic-gate * may not increase va_seq. It is atomic if 65497c478bd9Sstevel@tonic-gate * we haven't changed the directory, but if it has changed 65507c478bd9Sstevel@tonic-gate * we don't know what changed it. 65517c478bd9Sstevel@tonic-gate */ 65527c478bd9Sstevel@tonic-gate if (!created) { 65537c478bd9Sstevel@tonic-gate if (bva.va_seq && iva.va_seq && 65547c478bd9Sstevel@tonic-gate bva.va_seq == iva.va_seq) 65557c478bd9Sstevel@tonic-gate cinfo->atomic = TRUE; 65567c478bd9Sstevel@tonic-gate else 65577c478bd9Sstevel@tonic-gate cinfo->atomic = FALSE; 65587c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->after, iva.va_ctime); 65597c478bd9Sstevel@tonic-gate } else { 65607c478bd9Sstevel@tonic-gate /* 65617c478bd9Sstevel@tonic-gate * The entry was created, we need to sync the 65627c478bd9Sstevel@tonic-gate * directory metadata. 65637c478bd9Sstevel@tonic-gate */ 6564da6c28aaSamw (void) VOP_FSYNC(dvp, 0, cs->cr, NULL); 65657c478bd9Sstevel@tonic-gate 65667c478bd9Sstevel@tonic-gate /* 65677c478bd9Sstevel@tonic-gate * Get "after" change value, if it fails, simply return the 65687c478bd9Sstevel@tonic-gate * before value. 65697c478bd9Sstevel@tonic-gate */ 65707c478bd9Sstevel@tonic-gate ava.va_mask = AT_CTIME|AT_SEQ; 6571da6c28aaSamw if (VOP_GETATTR(dvp, &ava, 0, cs->cr, NULL)) { 65727c478bd9Sstevel@tonic-gate ava.va_ctime = bva.va_ctime; 65737c478bd9Sstevel@tonic-gate ava.va_seq = 0; 65747c478bd9Sstevel@tonic-gate } 65757c478bd9Sstevel@tonic-gate 65767c478bd9Sstevel@tonic-gate NFS4_SET_FATTR4_CHANGE(cinfo->after, ava.va_ctime); 65777c478bd9Sstevel@tonic-gate 65787c478bd9Sstevel@tonic-gate /* 65797c478bd9Sstevel@tonic-gate * The cinfo->atomic = TRUE only if we have 65807c478bd9Sstevel@tonic-gate * non-zero va_seq's, and it has incremented by exactly one 65817c478bd9Sstevel@tonic-gate * during the create_vnode and it didn't 65827c478bd9Sstevel@tonic-gate * change during the VOP_FSYNC. 65837c478bd9Sstevel@tonic-gate */ 65847c478bd9Sstevel@tonic-gate if (bva.va_seq && iva.va_seq && ava.va_seq && 65851b300de9Sjwahlig iva.va_seq == (bva.va_seq + 1) && iva.va_seq == ava.va_seq) 65867c478bd9Sstevel@tonic-gate cinfo->atomic = TRUE; 65877c478bd9Sstevel@tonic-gate else 65887c478bd9Sstevel@tonic-gate cinfo->atomic = FALSE; 65897c478bd9Sstevel@tonic-gate } 65907c478bd9Sstevel@tonic-gate 65917c478bd9Sstevel@tonic-gate /* Check for mandatory locking and that the size gets set. */ 65927c478bd9Sstevel@tonic-gate cva.va_mask = AT_MODE; 65937c478bd9Sstevel@tonic-gate if (setsize) 65947c478bd9Sstevel@tonic-gate cva.va_mask |= AT_SIZE; 65957c478bd9Sstevel@tonic-gate 65967c478bd9Sstevel@tonic-gate /* Assume the worst */ 65977c478bd9Sstevel@tonic-gate cs->mandlock = TRUE; 65987c478bd9Sstevel@tonic-gate 6599da6c28aaSamw if (VOP_GETATTR(vp, &cva, 0, cs->cr, NULL) == 0) { 66007c478bd9Sstevel@tonic-gate cs->mandlock = MANDLOCK(cs->vp, cva.va_mode); 66017c478bd9Sstevel@tonic-gate 66027c478bd9Sstevel@tonic-gate /* 66037c478bd9Sstevel@tonic-gate * Truncate the file if necessary; this would be 66047c478bd9Sstevel@tonic-gate * the case for create over an existing file. 66057c478bd9Sstevel@tonic-gate */ 66067c478bd9Sstevel@tonic-gate 66077c478bd9Sstevel@tonic-gate if (trunc) { 66087c478bd9Sstevel@tonic-gate int in_crit = 0; 66097c478bd9Sstevel@tonic-gate rfs4_file_t *fp; 66107c478bd9Sstevel@tonic-gate bool_t create = FALSE; 66117c478bd9Sstevel@tonic-gate 66127c478bd9Sstevel@tonic-gate /* 66137c478bd9Sstevel@tonic-gate * We are writing over an existing file. 66147c478bd9Sstevel@tonic-gate * Check to see if we need to recall a delegation. 66157c478bd9Sstevel@tonic-gate */ 66167c478bd9Sstevel@tonic-gate rfs4_hold_deleg_policy(); 66177c478bd9Sstevel@tonic-gate if ((fp = rfs4_findfile(vp, NULL, &create)) != NULL) { 66187c478bd9Sstevel@tonic-gate if (rfs4_check_delegated_byfp(FWRITE, fp, 66191b300de9Sjwahlig (reqsize == 0), FALSE, FALSE, &clientid)) { 66207c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 66217c478bd9Sstevel@tonic-gate rfs4_rele_deleg_policy(); 66227c478bd9Sstevel@tonic-gate VN_RELE(vp); 66237c478bd9Sstevel@tonic-gate *attrset = 0; 66247c478bd9Sstevel@tonic-gate return (NFS4ERR_DELAY); 66257c478bd9Sstevel@tonic-gate } 66267c478bd9Sstevel@tonic-gate rfs4_file_rele(fp); 66277c478bd9Sstevel@tonic-gate } 66287c478bd9Sstevel@tonic-gate rfs4_rele_deleg_policy(); 66297c478bd9Sstevel@tonic-gate 66307c478bd9Sstevel@tonic-gate if (nbl_need_check(vp)) { 66317c478bd9Sstevel@tonic-gate in_crit = 1; 66327c478bd9Sstevel@tonic-gate 66337c478bd9Sstevel@tonic-gate ASSERT(reqsize == 0); 66347c478bd9Sstevel@tonic-gate 66357c478bd9Sstevel@tonic-gate nbl_start_crit(vp, RW_READER); 66367c478bd9Sstevel@tonic-gate if (nbl_conflict(vp, NBL_WRITE, 0, 6637da6c28aaSamw cva.va_size, 0, NULL)) { 66387c478bd9Sstevel@tonic-gate in_crit = 0; 66397c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 66407c478bd9Sstevel@tonic-gate VN_RELE(vp); 66417c478bd9Sstevel@tonic-gate *attrset = 0; 66427c478bd9Sstevel@tonic-gate return (NFS4ERR_ACCESS); 66437c478bd9Sstevel@tonic-gate } 66447c478bd9Sstevel@tonic-gate } 66457c478bd9Sstevel@tonic-gate ct.cc_sysid = 0; 66467c478bd9Sstevel@tonic-gate ct.cc_pid = 0; 66477c478bd9Sstevel@tonic-gate ct.cc_caller_id = nfs4_srv_caller_id; 664862b9fcbeSjwahlig ct.cc_flags = CC_DONTBLOCK; 66497c478bd9Sstevel@tonic-gate 66507c478bd9Sstevel@tonic-gate cva.va_mask = AT_SIZE; 66517c478bd9Sstevel@tonic-gate cva.va_size = reqsize; 66527c478bd9Sstevel@tonic-gate (void) VOP_SETATTR(vp, &cva, 0, cs->cr, &ct); 66537c478bd9Sstevel@tonic-gate if (in_crit) 66547c478bd9Sstevel@tonic-gate nbl_end_crit(vp); 66557c478bd9Sstevel@tonic-gate } 66567c478bd9Sstevel@tonic-gate } 66577c478bd9Sstevel@tonic-gate 66587c478bd9Sstevel@tonic-gate error = makefh4(&cs->fh, vp, cs->exi); 66597c478bd9Sstevel@tonic-gate 66607c478bd9Sstevel@tonic-gate /* 66617c478bd9Sstevel@tonic-gate * Force modified data and metadata out to stable storage. 66627c478bd9Sstevel@tonic-gate */ 6663da6c28aaSamw (void) VOP_FSYNC(vp, FNODSYNC, cs->cr, NULL); 66647c478bd9Sstevel@tonic-gate 66657c478bd9Sstevel@tonic-gate if (error) { 66667c478bd9Sstevel@tonic-gate VN_RELE(vp); 66677c478bd9Sstevel@tonic-gate *attrset = 0; 66687c478bd9Sstevel@tonic-gate return (puterrno4(error)); 66697c478bd9Sstevel@tonic-gate } 66707c478bd9Sstevel@tonic-gate 66717c478bd9Sstevel@tonic-gate /* if parent dir is attrdir, set namedattr fh flag */ 66727c478bd9Sstevel@tonic-gate if (dvp->v_flag & V_XATTRDIR) 66737c478bd9Sstevel@tonic-gate set_fh4_flag(&cs->fh, FH4_NAMEDATTR); 66747c478bd9Sstevel@tonic-gate 66757c478bd9Sstevel@tonic-gate if (cs->vp) 66767c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 66777c478bd9Sstevel@tonic-gate 66787c478bd9Sstevel@tonic-gate cs->vp = vp; 66797c478bd9Sstevel@tonic-gate 66807c478bd9Sstevel@tonic-gate /* 66817c478bd9Sstevel@tonic-gate * if we did not create the file, we will need to check 66827c478bd9Sstevel@tonic-gate * the access bits on the file 66837c478bd9Sstevel@tonic-gate */ 66847c478bd9Sstevel@tonic-gate 66857c478bd9Sstevel@tonic-gate if (!created) { 66867c478bd9Sstevel@tonic-gate if (setsize) 66877c478bd9Sstevel@tonic-gate args->share_access |= OPEN4_SHARE_ACCESS_WRITE; 66887c478bd9Sstevel@tonic-gate status = check_open_access(args->share_access, cs, req); 66897c478bd9Sstevel@tonic-gate if (status != NFS4_OK) 66907c478bd9Sstevel@tonic-gate *attrset = 0; 66917c478bd9Sstevel@tonic-gate } 66927c478bd9Sstevel@tonic-gate return (status); 66937c478bd9Sstevel@tonic-gate } 66947c478bd9Sstevel@tonic-gate 66957c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 66967c478bd9Sstevel@tonic-gate static void 66977c478bd9Sstevel@tonic-gate rfs4_do_open(struct compound_state *cs, struct svc_req *req, 66987c478bd9Sstevel@tonic-gate rfs4_openowner_t *oo, delegreq_t deleg, 66997c478bd9Sstevel@tonic-gate uint32_t access, uint32_t deny, 6700da6c28aaSamw OPEN4res *resp, int deleg_cur) 67017c478bd9Sstevel@tonic-gate { 67027c478bd9Sstevel@tonic-gate /* XXX Currently not using req */ 6703d216dff5SRobert Mastors rfs4_state_t *sp; 6704d216dff5SRobert Mastors rfs4_file_t *fp; 67057c478bd9Sstevel@tonic-gate bool_t screate = TRUE; 67067c478bd9Sstevel@tonic-gate bool_t fcreate = TRUE; 670750956b22SJames Wahlig uint32_t open_a, share_a; 670850956b22SJames Wahlig uint32_t open_d, share_d; 67097c478bd9Sstevel@tonic-gate rfs4_deleg_state_t *dsp; 67107c478bd9Sstevel@tonic-gate sysid_t sysid; 67117c478bd9Sstevel@tonic-gate nfsstat4 status; 6712da6c28aaSamw caller_context_t ct; 67137c478bd9Sstevel@tonic-gate int fflags = 0; 67147c478bd9Sstevel@tonic-gate int recall = 0; 67157c478bd9Sstevel@tonic-gate int err; 6716d216dff5SRobert Mastors int first_open; 67177c478bd9Sstevel@tonic-gate 67187c478bd9Sstevel@tonic-gate /* get the file struct and hold a lock on it during initial open */ 6719d216dff5SRobert Mastors fp = rfs4_findfile_withlock(cs->vp, &cs->fh, &fcreate); 6720d216dff5SRobert Mastors if (fp == NULL) { 6721f6cf9e50SRick Mesta resp->status = NFS4ERR_RESOURCE; 6722f6cf9e50SRick Mesta DTRACE_PROBE1(nfss__e__do__open1, nfsstat4, resp->status); 67237c478bd9Sstevel@tonic-gate return; 67247c478bd9Sstevel@tonic-gate } 67257c478bd9Sstevel@tonic-gate 6726d216dff5SRobert Mastors sp = rfs4_findstate_by_owner_file(oo, fp, &screate); 6727d216dff5SRobert Mastors if (sp == NULL) { 67287c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_RESOURCE; 6729f6cf9e50SRick Mesta DTRACE_PROBE1(nfss__e__do__open2, nfsstat4, resp->status); 67307c478bd9Sstevel@tonic-gate /* No need to keep any reference */ 6731d216dff5SRobert Mastors rw_exit(&fp->rf_file_rwlock); 6732d216dff5SRobert Mastors rfs4_file_rele(fp); 67337c478bd9Sstevel@tonic-gate return; 67347c478bd9Sstevel@tonic-gate } 67357c478bd9Sstevel@tonic-gate 6736fd93bfc3Sjwahlig /* try to get the sysid before continuing */ 6737d216dff5SRobert Mastors if ((status = rfs4_client_sysid(oo->ro_client, &sysid)) != NFS4_OK) { 67387c478bd9Sstevel@tonic-gate resp->status = status; 6739d216dff5SRobert Mastors rfs4_file_rele(fp); 67407c478bd9Sstevel@tonic-gate /* Not a fully formed open; "close" it */ 67417c478bd9Sstevel@tonic-gate if (screate == TRUE) 6742d216dff5SRobert Mastors rfs4_state_close(sp, FALSE, FALSE, cs->cr); 6743d216dff5SRobert Mastors rfs4_state_rele(sp); 67447c478bd9Sstevel@tonic-gate return; 67457c478bd9Sstevel@tonic-gate } 6746fd93bfc3Sjwahlig 6747da6c28aaSamw /* Calculate the fflags for this OPEN. */ 6748da6c28aaSamw if (access & OPEN4_SHARE_ACCESS_READ) 6749da6c28aaSamw fflags |= FREAD; 6750da6c28aaSamw if (access & OPEN4_SHARE_ACCESS_WRITE) 6751da6c28aaSamw fflags |= FWRITE; 6752da6c28aaSamw 6753d216dff5SRobert Mastors rfs4_dbe_lock(sp->rs_dbe); 6754d216dff5SRobert Mastors 6755fd93bfc3Sjwahlig /* 6756fd93bfc3Sjwahlig * Calculate the new deny and access mode that this open is adding to 6757fd93bfc3Sjwahlig * the file for this open owner; 6758fd93bfc3Sjwahlig */ 675950956b22SJames Wahlig open_d = (deny & ~sp->rs_open_deny); 676050956b22SJames Wahlig open_a = (access & ~sp->rs_open_access); 6761d216dff5SRobert Mastors 676250956b22SJames Wahlig /* 676350956b22SJames Wahlig * Calculate the new share access and share deny modes that this open 676450956b22SJames Wahlig * is adding to the file for this open owner; 676550956b22SJames Wahlig */ 676650956b22SJames Wahlig share_a = (access & ~sp->rs_share_access); 676750956b22SJames Wahlig share_d = (deny & ~sp->rs_share_deny); 676850956b22SJames Wahlig 676950956b22SJames Wahlig first_open = (sp->rs_open_access & OPEN4_SHARE_ACCESS_BOTH) == 0; 6770fd93bfc3Sjwahlig 6771fd93bfc3Sjwahlig /* 6772fd93bfc3Sjwahlig * Check to see the client has already sent an open for this 6773fd93bfc3Sjwahlig * open owner on this file with the same share/deny modes. 6774fd93bfc3Sjwahlig * If so, we don't need to check for a conflict and we don't 6775fd93bfc3Sjwahlig * need to add another shrlock. If not, then we need to 6776fd93bfc3Sjwahlig * check for conflicts in deny and access before checking for 6777fd93bfc3Sjwahlig * conflicts in delegation. We don't want to recall a 6778fd93bfc3Sjwahlig * delegation based on an open that will eventually fail based 6779fd93bfc3Sjwahlig * on shares modes. 6780fd93bfc3Sjwahlig */ 6781fd93bfc3Sjwahlig 678250956b22SJames Wahlig if (share_a || share_d) { 6783d216dff5SRobert Mastors if ((err = rfs4_share(sp, access, deny)) != 0) { 6784d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 6785d216dff5SRobert Mastors resp->status = err; 67867c478bd9Sstevel@tonic-gate 6787d216dff5SRobert Mastors rfs4_file_rele(fp); 67887c478bd9Sstevel@tonic-gate /* Not a fully formed open; "close" it */ 67897c478bd9Sstevel@tonic-gate if (screate == TRUE) 6790d216dff5SRobert Mastors rfs4_state_close(sp, FALSE, FALSE, cs->cr); 6791d216dff5SRobert Mastors rfs4_state_rele(sp); 67927c478bd9Sstevel@tonic-gate return; 67937c478bd9Sstevel@tonic-gate } 6794fd93bfc3Sjwahlig } 67957c478bd9Sstevel@tonic-gate 6796d216dff5SRobert Mastors rfs4_dbe_lock(fp->rf_dbe); 67977c478bd9Sstevel@tonic-gate 67987c478bd9Sstevel@tonic-gate /* 67997c478bd9Sstevel@tonic-gate * Check to see if this file is delegated and if so, if a 68007c478bd9Sstevel@tonic-gate * recall needs to be done. 68017c478bd9Sstevel@tonic-gate */ 6802d216dff5SRobert Mastors if (rfs4_check_recall(sp, access)) { 6803d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 6804d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 6805d216dff5SRobert Mastors rfs4_recall_deleg(fp, FALSE, sp->rs_owner->ro_client); 68067c478bd9Sstevel@tonic-gate delay(NFS4_DELEGATION_CONFLICT_DELAY); 6807d216dff5SRobert Mastors rfs4_dbe_lock(sp->rs_dbe); 680814f41b92SRobert Mastors 680914f41b92SRobert Mastors /* if state closed while lock was dropped */ 681014f41b92SRobert Mastors if (sp->rs_closed) { 681150956b22SJames Wahlig if (share_a || share_d) 681214f41b92SRobert Mastors (void) rfs4_unshare(sp); 681314f41b92SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 681414f41b92SRobert Mastors rfs4_file_rele(fp); 681514f41b92SRobert Mastors /* Not a fully formed open; "close" it */ 681614f41b92SRobert Mastors if (screate == TRUE) 681714f41b92SRobert Mastors rfs4_state_close(sp, FALSE, FALSE, cs->cr); 681814f41b92SRobert Mastors rfs4_state_rele(sp); 681914f41b92SRobert Mastors resp->status = NFS4ERR_OLD_STATEID; 682014f41b92SRobert Mastors return; 682114f41b92SRobert Mastors } 682214f41b92SRobert Mastors 6823d216dff5SRobert Mastors rfs4_dbe_lock(fp->rf_dbe); 68247c478bd9Sstevel@tonic-gate /* Let's see if the delegation was returned */ 6825d216dff5SRobert Mastors if (rfs4_check_recall(sp, access)) { 6826d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 682750956b22SJames Wahlig if (share_a || share_d) 6828d216dff5SRobert Mastors (void) rfs4_unshare(sp); 6829d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 6830d216dff5SRobert Mastors rfs4_file_rele(fp); 6831d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 6832d216dff5SRobert Mastors 68337c478bd9Sstevel@tonic-gate /* Not a fully formed open; "close" it */ 68347c478bd9Sstevel@tonic-gate if (screate == TRUE) 6835d216dff5SRobert Mastors rfs4_state_close(sp, FALSE, FALSE, cs->cr); 6836d216dff5SRobert Mastors rfs4_state_rele(sp); 68377c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_DELAY; 68387c478bd9Sstevel@tonic-gate return; 68397c478bd9Sstevel@tonic-gate } 68407c478bd9Sstevel@tonic-gate } 6841da6c28aaSamw /* 6842da6c28aaSamw * the share check passed and any delegation conflict has been 6843da6c28aaSamw * taken care of, now call vop_open. 6844da6c28aaSamw * if this is the first open then call vop_open with fflags. 6845da6c28aaSamw * if not, call vn_open_upgrade with just the upgrade flags. 6846da6c28aaSamw * 6847da6c28aaSamw * if the file has been opened already, it will have the current 6848da6c28aaSamw * access mode in the state struct. if it has no share access, then 6849da6c28aaSamw * this is a new open. 6850da6c28aaSamw * 6851da6c28aaSamw * However, if this is open with CLAIM_DLEGATE_CUR, then don't 6852da6c28aaSamw * call VOP_OPEN(), just do the open upgrade. 6853da6c28aaSamw */ 6854d216dff5SRobert Mastors if (first_open && !deleg_cur) { 6855da6c28aaSamw ct.cc_sysid = sysid; 6856d216dff5SRobert Mastors ct.cc_pid = rfs4_dbe_getid(sp->rs_owner->ro_dbe); 6857da6c28aaSamw ct.cc_caller_id = nfs4_srv_caller_id; 685862b9fcbeSjwahlig ct.cc_flags = CC_DONTBLOCK; 6859da6c28aaSamw err = VOP_OPEN(&cs->vp, fflags, cs->cr, &ct); 6860da6c28aaSamw if (err) { 6861d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 686250956b22SJames Wahlig if (share_a || share_d) 6863d216dff5SRobert Mastors (void) rfs4_unshare(sp); 6864d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 6865d216dff5SRobert Mastors rfs4_file_rele(fp); 6866d216dff5SRobert Mastors 6867da6c28aaSamw /* Not a fully formed open; "close" it */ 6868da6c28aaSamw if (screate == TRUE) 6869d216dff5SRobert Mastors rfs4_state_close(sp, FALSE, FALSE, cs->cr); 6870d216dff5SRobert Mastors rfs4_state_rele(sp); 6871335fb9e6Sjwahlig /* check if a monitor detected a delegation conflict */ 6872335fb9e6Sjwahlig if (err == EAGAIN && (ct.cc_flags & CC_WOULDBLOCK)) 6873335fb9e6Sjwahlig resp->status = NFS4ERR_DELAY; 6874335fb9e6Sjwahlig else 6875da6c28aaSamw resp->status = NFS4ERR_SERVERFAULT; 6876da6c28aaSamw return; 6877da6c28aaSamw } 6878da6c28aaSamw } else { /* open upgrade */ 6879da6c28aaSamw /* 6880da6c28aaSamw * calculate the fflags for the new mode that is being added 6881da6c28aaSamw * by this upgrade. 6882da6c28aaSamw */ 6883da6c28aaSamw fflags = 0; 688450956b22SJames Wahlig if (open_a & OPEN4_SHARE_ACCESS_READ) 6885da6c28aaSamw fflags |= FREAD; 688650956b22SJames Wahlig if (open_a & OPEN4_SHARE_ACCESS_WRITE) 6887da6c28aaSamw fflags |= FWRITE; 6888da6c28aaSamw vn_open_upgrade(cs->vp, fflags); 6889da6c28aaSamw } 689050956b22SJames Wahlig sp->rs_open_access |= access; 689150956b22SJames Wahlig sp->rs_open_deny |= deny; 68927c478bd9Sstevel@tonic-gate 689350956b22SJames Wahlig if (open_d & OPEN4_SHARE_DENY_READ) 6894d216dff5SRobert Mastors fp->rf_deny_read++; 689550956b22SJames Wahlig if (open_d & OPEN4_SHARE_DENY_WRITE) 6896d216dff5SRobert Mastors fp->rf_deny_write++; 6897d216dff5SRobert Mastors fp->rf_share_deny |= deny; 68987c478bd9Sstevel@tonic-gate 689950956b22SJames Wahlig if (open_a & OPEN4_SHARE_ACCESS_READ) 6900d216dff5SRobert Mastors fp->rf_access_read++; 690150956b22SJames Wahlig if (open_a & OPEN4_SHARE_ACCESS_WRITE) 6902d216dff5SRobert Mastors fp->rf_access_write++; 6903d216dff5SRobert Mastors fp->rf_share_access |= access; 69047c478bd9Sstevel@tonic-gate 69057c478bd9Sstevel@tonic-gate /* 69067c478bd9Sstevel@tonic-gate * Check for delegation here. if the deleg argument is not 69077c478bd9Sstevel@tonic-gate * DELEG_ANY, then this is a reclaim from a client and 69087c478bd9Sstevel@tonic-gate * we must honor the delegation requested. If necessary we can 69097c478bd9Sstevel@tonic-gate * set the recall flag. 69107c478bd9Sstevel@tonic-gate */ 69117c478bd9Sstevel@tonic-gate 6912d216dff5SRobert Mastors dsp = rfs4_grant_delegation(deleg, sp, &recall); 69137c478bd9Sstevel@tonic-gate 6914d216dff5SRobert Mastors cs->deleg = (fp->rf_dinfo.rd_dtype == OPEN_DELEGATE_WRITE); 69157c478bd9Sstevel@tonic-gate 6916d216dff5SRobert Mastors next_stateid(&sp->rs_stateid); 69177c478bd9Sstevel@tonic-gate 6918d216dff5SRobert Mastors resp->stateid = sp->rs_stateid.stateid; 69197c478bd9Sstevel@tonic-gate 6920d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 6921d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 69227c478bd9Sstevel@tonic-gate 69237c478bd9Sstevel@tonic-gate if (dsp) { 69247c478bd9Sstevel@tonic-gate rfs4_set_deleg_response(dsp, &resp->delegation, NULL, recall); 69257c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 69267c478bd9Sstevel@tonic-gate } 69277c478bd9Sstevel@tonic-gate 6928d216dff5SRobert Mastors rfs4_file_rele(fp); 6929d216dff5SRobert Mastors rfs4_state_rele(sp); 69307c478bd9Sstevel@tonic-gate 69317c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 69327c478bd9Sstevel@tonic-gate } 69337c478bd9Sstevel@tonic-gate 69347c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 69357c478bd9Sstevel@tonic-gate static void 69367c478bd9Sstevel@tonic-gate rfs4_do_opennull(struct compound_state *cs, struct svc_req *req, 69377c478bd9Sstevel@tonic-gate OPEN4args *args, rfs4_openowner_t *oo, OPEN4res *resp) 69387c478bd9Sstevel@tonic-gate { 69397c478bd9Sstevel@tonic-gate change_info4 *cinfo = &resp->cinfo; 69407c478bd9Sstevel@tonic-gate bitmap4 *attrset = &resp->attrset; 69417c478bd9Sstevel@tonic-gate 69427c478bd9Sstevel@tonic-gate if (args->opentype == OPEN4_NOCREATE) 69437c478bd9Sstevel@tonic-gate resp->status = rfs4_lookupfile(&args->open_claim4_u.file, 69447c478bd9Sstevel@tonic-gate req, cs, args->share_access, cinfo); 69457c478bd9Sstevel@tonic-gate else { 69467c478bd9Sstevel@tonic-gate /* inhibit delegation grants during exclusive create */ 69477c478bd9Sstevel@tonic-gate 69487c478bd9Sstevel@tonic-gate if (args->mode == EXCLUSIVE4) 69497c478bd9Sstevel@tonic-gate rfs4_disable_delegation(); 69507c478bd9Sstevel@tonic-gate 69517c478bd9Sstevel@tonic-gate resp->status = rfs4_createfile(args, req, cs, cinfo, attrset, 6952d216dff5SRobert Mastors oo->ro_client->rc_clientid); 69537c478bd9Sstevel@tonic-gate } 69547c478bd9Sstevel@tonic-gate 69557c478bd9Sstevel@tonic-gate if (resp->status == NFS4_OK) { 69567c478bd9Sstevel@tonic-gate 69577c478bd9Sstevel@tonic-gate /* cs->vp cs->fh now reference the desired file */ 69587c478bd9Sstevel@tonic-gate 6959e228dd39SJames Wahlig rfs4_do_open(cs, req, oo, 6960e228dd39SJames Wahlig oo->ro_need_confirm ? DELEG_NONE : DELEG_ANY, 6961e228dd39SJames Wahlig args->share_access, args->share_deny, resp, 0); 69627c478bd9Sstevel@tonic-gate 69637c478bd9Sstevel@tonic-gate /* 69647c478bd9Sstevel@tonic-gate * If rfs4_createfile set attrset, we must 69657c478bd9Sstevel@tonic-gate * clear this attrset before the response is copied. 69667c478bd9Sstevel@tonic-gate */ 69677c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK && resp->attrset) { 69687c478bd9Sstevel@tonic-gate resp->attrset = 0; 69697c478bd9Sstevel@tonic-gate } 69707c478bd9Sstevel@tonic-gate } 69717c478bd9Sstevel@tonic-gate else 69727c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 69737c478bd9Sstevel@tonic-gate 69747c478bd9Sstevel@tonic-gate if (args->mode == EXCLUSIVE4) 69757c478bd9Sstevel@tonic-gate rfs4_enable_delegation(); 69767c478bd9Sstevel@tonic-gate } 69777c478bd9Sstevel@tonic-gate 69787c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 69797c478bd9Sstevel@tonic-gate static void 69807c478bd9Sstevel@tonic-gate rfs4_do_openprev(struct compound_state *cs, struct svc_req *req, 69817c478bd9Sstevel@tonic-gate OPEN4args *args, rfs4_openowner_t *oo, OPEN4res *resp) 69827c478bd9Sstevel@tonic-gate { 69837c478bd9Sstevel@tonic-gate change_info4 *cinfo = &resp->cinfo; 69847c478bd9Sstevel@tonic-gate vattr_t va; 69857c478bd9Sstevel@tonic-gate vtype_t v_type = cs->vp->v_type; 69867c478bd9Sstevel@tonic-gate int error = 0; 69877c478bd9Sstevel@tonic-gate 69887c478bd9Sstevel@tonic-gate /* Verify that we have a regular file */ 69897c478bd9Sstevel@tonic-gate if (v_type != VREG) { 69907c478bd9Sstevel@tonic-gate if (v_type == VDIR) 69917c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_ISDIR; 69927c478bd9Sstevel@tonic-gate else if (v_type == VLNK) 69937c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SYMLINK; 69947c478bd9Sstevel@tonic-gate else 69957c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 69967c478bd9Sstevel@tonic-gate return; 69977c478bd9Sstevel@tonic-gate } 69987c478bd9Sstevel@tonic-gate 69997c478bd9Sstevel@tonic-gate va.va_mask = AT_MODE|AT_UID; 7000da6c28aaSamw error = VOP_GETATTR(cs->vp, &va, 0, cs->cr, NULL); 70017c478bd9Sstevel@tonic-gate if (error) { 70027c478bd9Sstevel@tonic-gate resp->status = puterrno4(error); 70037c478bd9Sstevel@tonic-gate return; 70047c478bd9Sstevel@tonic-gate } 70057c478bd9Sstevel@tonic-gate 70067c478bd9Sstevel@tonic-gate cs->mandlock = MANDLOCK(cs->vp, va.va_mode); 70077c478bd9Sstevel@tonic-gate 70087c478bd9Sstevel@tonic-gate /* 70097c478bd9Sstevel@tonic-gate * Check if we have access to the file, Note the the file 70107c478bd9Sstevel@tonic-gate * could have originally been open UNCHECKED or GUARDED 70117c478bd9Sstevel@tonic-gate * with mode bits that will now fail, but there is nothing 70127c478bd9Sstevel@tonic-gate * we can really do about that except in the case that the 70137c478bd9Sstevel@tonic-gate * owner of the file is the one requesting the open. 70147c478bd9Sstevel@tonic-gate */ 70157c478bd9Sstevel@tonic-gate if (crgetuid(cs->cr) != va.va_uid) { 70167c478bd9Sstevel@tonic-gate resp->status = check_open_access(args->share_access, cs, req); 70177c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 70187c478bd9Sstevel@tonic-gate return; 70197c478bd9Sstevel@tonic-gate } 70207c478bd9Sstevel@tonic-gate } 70217c478bd9Sstevel@tonic-gate 70227c478bd9Sstevel@tonic-gate /* 70237c478bd9Sstevel@tonic-gate * cinfo on a CLAIM_PREVIOUS is undefined, initialize to zero 70247c478bd9Sstevel@tonic-gate */ 70257c478bd9Sstevel@tonic-gate cinfo->before = 0; 70267c478bd9Sstevel@tonic-gate cinfo->after = 0; 70277c478bd9Sstevel@tonic-gate cinfo->atomic = FALSE; 70287c478bd9Sstevel@tonic-gate 70297c478bd9Sstevel@tonic-gate rfs4_do_open(cs, req, oo, 70307c478bd9Sstevel@tonic-gate NFS4_DELEG4TYPE2REQTYPE(args->open_claim4_u.delegate_type), 7031da6c28aaSamw args->share_access, args->share_deny, resp, 0); 70327c478bd9Sstevel@tonic-gate } 70337c478bd9Sstevel@tonic-gate 70347c478bd9Sstevel@tonic-gate static void 70357c478bd9Sstevel@tonic-gate rfs4_do_opendelcur(struct compound_state *cs, struct svc_req *req, 70367c478bd9Sstevel@tonic-gate OPEN4args *args, rfs4_openowner_t *oo, OPEN4res *resp) 70377c478bd9Sstevel@tonic-gate { 70387c478bd9Sstevel@tonic-gate int error; 70397c478bd9Sstevel@tonic-gate nfsstat4 status; 70407c478bd9Sstevel@tonic-gate stateid4 stateid = 70417c478bd9Sstevel@tonic-gate args->open_claim4_u.delegate_cur_info.delegate_stateid; 70427c478bd9Sstevel@tonic-gate rfs4_deleg_state_t *dsp; 70437c478bd9Sstevel@tonic-gate 70447c478bd9Sstevel@tonic-gate /* 70457c478bd9Sstevel@tonic-gate * Find the state info from the stateid and confirm that the 70467c478bd9Sstevel@tonic-gate * file is delegated. If the state openowner is the same as 70477c478bd9Sstevel@tonic-gate * the supplied openowner we're done. If not, get the file 70487c478bd9Sstevel@tonic-gate * info from the found state info. Use that file info to 70497c478bd9Sstevel@tonic-gate * create the state for this lock owner. Note solaris doen't 70507c478bd9Sstevel@tonic-gate * really need the pathname to find the file. We may want to 70517c478bd9Sstevel@tonic-gate * lookup the pathname and make sure that the vp exist and 70527c478bd9Sstevel@tonic-gate * matches the vp in the file structure. However it is 70537c478bd9Sstevel@tonic-gate * possible that the pathname nolonger exists (local process 70547c478bd9Sstevel@tonic-gate * unlinks the file), so this may not be that useful. 70557c478bd9Sstevel@tonic-gate */ 70567c478bd9Sstevel@tonic-gate 70577c478bd9Sstevel@tonic-gate status = rfs4_get_deleg_state(&stateid, &dsp); 70587c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 70597c478bd9Sstevel@tonic-gate resp->status = status; 70607c478bd9Sstevel@tonic-gate return; 70617c478bd9Sstevel@tonic-gate } 70627c478bd9Sstevel@tonic-gate 7063d216dff5SRobert Mastors ASSERT(dsp->rds_finfo->rf_dinfo.rd_dtype != OPEN_DELEGATE_NONE); 70647c478bd9Sstevel@tonic-gate 70657c478bd9Sstevel@tonic-gate /* 70667c478bd9Sstevel@tonic-gate * New lock owner, create state. Since this was probably called 70677c478bd9Sstevel@tonic-gate * in response to a CB_RECALL we set deleg to DELEG_NONE 70687c478bd9Sstevel@tonic-gate */ 70697c478bd9Sstevel@tonic-gate 70707c478bd9Sstevel@tonic-gate ASSERT(cs->vp != NULL); 70717c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 7072d216dff5SRobert Mastors VN_HOLD(dsp->rds_finfo->rf_vp); 7073d216dff5SRobert Mastors cs->vp = dsp->rds_finfo->rf_vp; 70747c478bd9Sstevel@tonic-gate 70757c478bd9Sstevel@tonic-gate if (error = makefh4(&cs->fh, cs->vp, cs->exi)) { 70767c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 70777c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = puterrno4(error); 70787c478bd9Sstevel@tonic-gate return; 70797c478bd9Sstevel@tonic-gate } 70807c478bd9Sstevel@tonic-gate 70817c478bd9Sstevel@tonic-gate /* Mark progress for delegation returns */ 7082d216dff5SRobert Mastors dsp->rds_finfo->rf_dinfo.rd_time_lastwrite = gethrestime_sec(); 70837c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 70847c478bd9Sstevel@tonic-gate rfs4_do_open(cs, req, oo, DELEG_NONE, 7085da6c28aaSamw args->share_access, args->share_deny, resp, 1); 70867c478bd9Sstevel@tonic-gate } 70877c478bd9Sstevel@tonic-gate 70887c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 70897c478bd9Sstevel@tonic-gate static void 70907c478bd9Sstevel@tonic-gate rfs4_do_opendelprev(struct compound_state *cs, struct svc_req *req, 70917c478bd9Sstevel@tonic-gate OPEN4args *args, rfs4_openowner_t *oo, OPEN4res *resp) 70927c478bd9Sstevel@tonic-gate { 70937c478bd9Sstevel@tonic-gate /* 70947c478bd9Sstevel@tonic-gate * Lookup the pathname, it must already exist since this file 70957c478bd9Sstevel@tonic-gate * was delegated. 70967c478bd9Sstevel@tonic-gate * 70977c478bd9Sstevel@tonic-gate * Find the file and state info for this vp and open owner pair. 70987c478bd9Sstevel@tonic-gate * check that they are in fact delegated. 70997c478bd9Sstevel@tonic-gate * check that the state access and deny modes are the same. 71007c478bd9Sstevel@tonic-gate * 71017c478bd9Sstevel@tonic-gate * Return the delgation possibly seting the recall flag. 71027c478bd9Sstevel@tonic-gate */ 7103d216dff5SRobert Mastors rfs4_file_t *fp; 7104d216dff5SRobert Mastors rfs4_state_t *sp; 71057c478bd9Sstevel@tonic-gate bool_t create = FALSE; 71067c478bd9Sstevel@tonic-gate bool_t dcreate = FALSE; 71077c478bd9Sstevel@tonic-gate rfs4_deleg_state_t *dsp; 71087c478bd9Sstevel@tonic-gate nfsace4 *ace; 71097c478bd9Sstevel@tonic-gate 71107c478bd9Sstevel@tonic-gate /* Note we ignore oflags */ 71117c478bd9Sstevel@tonic-gate resp->status = rfs4_lookupfile(&args->open_claim4_u.file_delegate_prev, 71127c478bd9Sstevel@tonic-gate req, cs, args->share_access, &resp->cinfo); 71137c478bd9Sstevel@tonic-gate 71147c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 71157c478bd9Sstevel@tonic-gate return; 71167c478bd9Sstevel@tonic-gate } 71177c478bd9Sstevel@tonic-gate 71187c478bd9Sstevel@tonic-gate /* get the file struct and hold a lock on it during initial open */ 7119d216dff5SRobert Mastors fp = rfs4_findfile_withlock(cs->vp, NULL, &create); 7120d216dff5SRobert Mastors if (fp == NULL) { 7121f6cf9e50SRick Mesta resp->status = NFS4ERR_RESOURCE; 7122f6cf9e50SRick Mesta DTRACE_PROBE1(nfss__e__do_opendelprev1, nfsstat4, resp->status); 71237c478bd9Sstevel@tonic-gate return; 71247c478bd9Sstevel@tonic-gate } 71257c478bd9Sstevel@tonic-gate 7126d216dff5SRobert Mastors sp = rfs4_findstate_by_owner_file(oo, fp, &create); 7127d216dff5SRobert Mastors if (sp == NULL) { 71287c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 7129f6cf9e50SRick Mesta DTRACE_PROBE1(nfss__e__do_opendelprev2, nfsstat4, resp->status); 7130d216dff5SRobert Mastors rw_exit(&fp->rf_file_rwlock); 7131d216dff5SRobert Mastors rfs4_file_rele(fp); 71327c478bd9Sstevel@tonic-gate return; 71337c478bd9Sstevel@tonic-gate } 71347c478bd9Sstevel@tonic-gate 7135d216dff5SRobert Mastors rfs4_dbe_lock(sp->rs_dbe); 7136d216dff5SRobert Mastors rfs4_dbe_lock(fp->rf_dbe); 7137d216dff5SRobert Mastors if (args->share_access != sp->rs_share_access || 7138d216dff5SRobert Mastors args->share_deny != sp->rs_share_deny || 7139d216dff5SRobert Mastors sp->rs_finfo->rf_dinfo.rd_dtype == OPEN_DELEGATE_NONE) { 71407c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 71417c478bd9Sstevel@tonic-gate (CE_NOTE, "rfs4_do_opendelprev: state mixup")); 7142d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 7143d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 7144d216dff5SRobert Mastors rfs4_file_rele(fp); 7145d216dff5SRobert Mastors rfs4_state_rele(sp); 71467c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 71477c478bd9Sstevel@tonic-gate return; 71487c478bd9Sstevel@tonic-gate } 7149d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 7150d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 71517c478bd9Sstevel@tonic-gate 7152d216dff5SRobert Mastors dsp = rfs4_finddeleg(sp, &dcreate); 71537c478bd9Sstevel@tonic-gate if (dsp == NULL) { 7154d216dff5SRobert Mastors rfs4_state_rele(sp); 7155d216dff5SRobert Mastors rfs4_file_rele(fp); 71567c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 71577c478bd9Sstevel@tonic-gate return; 71587c478bd9Sstevel@tonic-gate } 71597c478bd9Sstevel@tonic-gate 7160d216dff5SRobert Mastors next_stateid(&sp->rs_stateid); 71617c478bd9Sstevel@tonic-gate 7162d216dff5SRobert Mastors resp->stateid = sp->rs_stateid.stateid; 71637c478bd9Sstevel@tonic-gate 7164d216dff5SRobert Mastors resp->delegation.delegation_type = dsp->rds_dtype; 71657c478bd9Sstevel@tonic-gate 7166d216dff5SRobert Mastors if (dsp->rds_dtype == OPEN_DELEGATE_READ) { 71677c478bd9Sstevel@tonic-gate open_read_delegation4 *rv = 71687c478bd9Sstevel@tonic-gate &resp->delegation.open_delegation4_u.read; 71697c478bd9Sstevel@tonic-gate 7170d216dff5SRobert Mastors rv->stateid = dsp->rds_delegid.stateid; 71717c478bd9Sstevel@tonic-gate rv->recall = FALSE; /* no policy in place to set to TRUE */ 71727c478bd9Sstevel@tonic-gate ace = &rv->permissions; 71737c478bd9Sstevel@tonic-gate } else { 71747c478bd9Sstevel@tonic-gate open_write_delegation4 *rv = 71757c478bd9Sstevel@tonic-gate &resp->delegation.open_delegation4_u.write; 71767c478bd9Sstevel@tonic-gate 7177d216dff5SRobert Mastors rv->stateid = dsp->rds_delegid.stateid; 71787c478bd9Sstevel@tonic-gate rv->recall = FALSE; /* no policy in place to set to TRUE */ 71797c478bd9Sstevel@tonic-gate ace = &rv->permissions; 71807c478bd9Sstevel@tonic-gate rv->space_limit.limitby = NFS_LIMIT_SIZE; 71817c478bd9Sstevel@tonic-gate rv->space_limit.nfs_space_limit4_u.filesize = UINT64_MAX; 71827c478bd9Sstevel@tonic-gate } 71837c478bd9Sstevel@tonic-gate 71847c478bd9Sstevel@tonic-gate /* XXX For now */ 71857c478bd9Sstevel@tonic-gate ace->type = ACE4_ACCESS_ALLOWED_ACE_TYPE; 71867c478bd9Sstevel@tonic-gate ace->flag = 0; 71877c478bd9Sstevel@tonic-gate ace->access_mask = 0; 71887c478bd9Sstevel@tonic-gate ace->who.utf8string_len = 0; 71897c478bd9Sstevel@tonic-gate ace->who.utf8string_val = 0; 71907c478bd9Sstevel@tonic-gate 71917c478bd9Sstevel@tonic-gate rfs4_deleg_state_rele(dsp); 7192d216dff5SRobert Mastors rfs4_state_rele(sp); 7193d216dff5SRobert Mastors rfs4_file_rele(fp); 71947c478bd9Sstevel@tonic-gate } 71957c478bd9Sstevel@tonic-gate 71967c478bd9Sstevel@tonic-gate typedef enum { 71977c478bd9Sstevel@tonic-gate NFS4_CHKSEQ_OKAY = 0, 71987c478bd9Sstevel@tonic-gate NFS4_CHKSEQ_REPLAY = 1, 71997c478bd9Sstevel@tonic-gate NFS4_CHKSEQ_BAD = 2 72007c478bd9Sstevel@tonic-gate } rfs4_chkseq_t; 72017c478bd9Sstevel@tonic-gate 72027c478bd9Sstevel@tonic-gate /* 72037c478bd9Sstevel@tonic-gate * Generic function for sequence number checks. 72047c478bd9Sstevel@tonic-gate */ 72057c478bd9Sstevel@tonic-gate static rfs4_chkseq_t 72067c478bd9Sstevel@tonic-gate rfs4_check_seqid(seqid4 seqid, nfs_resop4 *lastop, 72077c478bd9Sstevel@tonic-gate seqid4 rqst_seq, nfs_resop4 *resop, bool_t copyres) 72087c478bd9Sstevel@tonic-gate { 72097c478bd9Sstevel@tonic-gate /* Same sequence ids and matching operations? */ 72107c478bd9Sstevel@tonic-gate if (seqid == rqst_seq && resop->resop == lastop->resop) { 72117c478bd9Sstevel@tonic-gate if (copyres == TRUE) { 72127c478bd9Sstevel@tonic-gate rfs4_free_reply(resop); 72137c478bd9Sstevel@tonic-gate rfs4_copy_reply(resop, lastop); 72147c478bd9Sstevel@tonic-gate } 72157c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, (CE_NOTE, 72167c478bd9Sstevel@tonic-gate "Replayed SEQID %d\n", seqid)); 72177c478bd9Sstevel@tonic-gate return (NFS4_CHKSEQ_REPLAY); 72187c478bd9Sstevel@tonic-gate } 72197c478bd9Sstevel@tonic-gate 72207c478bd9Sstevel@tonic-gate /* If the incoming sequence is not the next expected then it is bad */ 72217c478bd9Sstevel@tonic-gate if (rqst_seq != seqid + 1) { 72227c478bd9Sstevel@tonic-gate if (rqst_seq == seqid) { 72237c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 72247c478bd9Sstevel@tonic-gate (CE_NOTE, "BAD SEQID: Replayed sequence id " 72257c478bd9Sstevel@tonic-gate "but last op was %d current op is %d\n", 72267c478bd9Sstevel@tonic-gate lastop->resop, resop->resop)); 72277c478bd9Sstevel@tonic-gate return (NFS4_CHKSEQ_BAD); 72287c478bd9Sstevel@tonic-gate } 72297c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 72307c478bd9Sstevel@tonic-gate (CE_NOTE, "BAD SEQID: got %u expecting %u\n", 72317c478bd9Sstevel@tonic-gate rqst_seq, seqid)); 72327c478bd9Sstevel@tonic-gate return (NFS4_CHKSEQ_BAD); 72337c478bd9Sstevel@tonic-gate } 72347c478bd9Sstevel@tonic-gate 72357c478bd9Sstevel@tonic-gate /* Everything okay -- next expected */ 72367c478bd9Sstevel@tonic-gate return (NFS4_CHKSEQ_OKAY); 72377c478bd9Sstevel@tonic-gate } 72387c478bd9Sstevel@tonic-gate 72397c478bd9Sstevel@tonic-gate 72407c478bd9Sstevel@tonic-gate static rfs4_chkseq_t 72417c478bd9Sstevel@tonic-gate rfs4_check_open_seqid(seqid4 seqid, rfs4_openowner_t *op, nfs_resop4 *resop) 72427c478bd9Sstevel@tonic-gate { 72437c478bd9Sstevel@tonic-gate rfs4_chkseq_t rc; 72447c478bd9Sstevel@tonic-gate 7245d216dff5SRobert Mastors rfs4_dbe_lock(op->ro_dbe); 7246d216dff5SRobert Mastors rc = rfs4_check_seqid(op->ro_open_seqid, &op->ro_reply, seqid, resop, 7247d216dff5SRobert Mastors TRUE); 7248d216dff5SRobert Mastors rfs4_dbe_unlock(op->ro_dbe); 72497c478bd9Sstevel@tonic-gate 72507c478bd9Sstevel@tonic-gate if (rc == NFS4_CHKSEQ_OKAY) 7251d216dff5SRobert Mastors rfs4_update_lease(op->ro_client); 72527c478bd9Sstevel@tonic-gate 72537c478bd9Sstevel@tonic-gate return (rc); 72547c478bd9Sstevel@tonic-gate } 72557c478bd9Sstevel@tonic-gate 72567c478bd9Sstevel@tonic-gate static rfs4_chkseq_t 7257d216dff5SRobert Mastors rfs4_check_olo_seqid(seqid4 olo_seqid, rfs4_openowner_t *op, nfs_resop4 *resop) 72587c478bd9Sstevel@tonic-gate { 72597c478bd9Sstevel@tonic-gate rfs4_chkseq_t rc; 72607c478bd9Sstevel@tonic-gate 7261d216dff5SRobert Mastors rfs4_dbe_lock(op->ro_dbe); 7262d216dff5SRobert Mastors rc = rfs4_check_seqid(op->ro_open_seqid, &op->ro_reply, 72637c478bd9Sstevel@tonic-gate olo_seqid, resop, FALSE); 7264d216dff5SRobert Mastors rfs4_dbe_unlock(op->ro_dbe); 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_lock_seqid(seqid4 seqid, rfs4_lo_state_t *lsp, nfs_resop4 *resop) 72717c478bd9Sstevel@tonic-gate { 72727c478bd9Sstevel@tonic-gate rfs4_chkseq_t rc = NFS4_CHKSEQ_OKAY; 72737c478bd9Sstevel@tonic-gate 7274d216dff5SRobert Mastors rfs4_dbe_lock(lsp->rls_dbe); 7275d216dff5SRobert Mastors if (!lsp->rls_skip_seqid_check) 7276d216dff5SRobert Mastors rc = rfs4_check_seqid(lsp->rls_seqid, &lsp->rls_reply, seqid, 7277d216dff5SRobert Mastors resop, TRUE); 7278d216dff5SRobert Mastors rfs4_dbe_unlock(lsp->rls_dbe); 72797c478bd9Sstevel@tonic-gate 72807c478bd9Sstevel@tonic-gate return (rc); 72817c478bd9Sstevel@tonic-gate } 72827c478bd9Sstevel@tonic-gate 72837c478bd9Sstevel@tonic-gate static void 72847c478bd9Sstevel@tonic-gate rfs4_op_open(nfs_argop4 *argop, nfs_resop4 *resop, 72857c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 72867c478bd9Sstevel@tonic-gate { 72877c478bd9Sstevel@tonic-gate OPEN4args *args = &argop->nfs_argop4_u.opopen; 72887c478bd9Sstevel@tonic-gate OPEN4res *resp = &resop->nfs_resop4_u.opopen; 72897c478bd9Sstevel@tonic-gate open_owner4 *owner = &args->owner; 72907c478bd9Sstevel@tonic-gate open_claim_type4 claim = args->claim; 72917c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 72927c478bd9Sstevel@tonic-gate rfs4_openowner_t *oo; 72937c478bd9Sstevel@tonic-gate bool_t create; 72947c478bd9Sstevel@tonic-gate bool_t replay = FALSE; 72957c478bd9Sstevel@tonic-gate int can_reclaim; 72967c478bd9Sstevel@tonic-gate 7297f3b585ceSsamf DTRACE_NFSV4_2(op__open__start, struct compound_state *, cs, 7298f3b585ceSsamf OPEN4args *, args); 72997c478bd9Sstevel@tonic-gate 73007c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 73017c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 7302f3b585ceSsamf goto end; 73037c478bd9Sstevel@tonic-gate } 73047c478bd9Sstevel@tonic-gate 73057c478bd9Sstevel@tonic-gate /* 73067c478bd9Sstevel@tonic-gate * Need to check clientid and lease expiration first based on 73077c478bd9Sstevel@tonic-gate * error ordering and incrementing sequence id. 73087c478bd9Sstevel@tonic-gate */ 73097c478bd9Sstevel@tonic-gate cp = rfs4_findclient_by_id(owner->clientid, FALSE); 73107c478bd9Sstevel@tonic-gate if (cp == NULL) { 73117c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 73127c478bd9Sstevel@tonic-gate rfs4_check_clientid(&owner->clientid, 0); 7313f3b585ceSsamf goto end; 73147c478bd9Sstevel@tonic-gate } 73157c478bd9Sstevel@tonic-gate 73167c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 73177c478bd9Sstevel@tonic-gate rfs4_client_close(cp); 73187c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 7319f3b585ceSsamf goto end; 73207c478bd9Sstevel@tonic-gate } 7321d216dff5SRobert Mastors can_reclaim = cp->rc_can_reclaim; 73227c478bd9Sstevel@tonic-gate 73237c478bd9Sstevel@tonic-gate /* 73247c478bd9Sstevel@tonic-gate * Find the open_owner for use from this point forward. Take 73257c478bd9Sstevel@tonic-gate * care in updating the sequence id based on the type of error 73267c478bd9Sstevel@tonic-gate * being returned. 73277c478bd9Sstevel@tonic-gate */ 73287c478bd9Sstevel@tonic-gate retry: 73297c478bd9Sstevel@tonic-gate create = TRUE; 73307c478bd9Sstevel@tonic-gate oo = rfs4_findopenowner(owner, &create, args->seqid); 73317c478bd9Sstevel@tonic-gate if (oo == NULL) { 733211bb729eSMarcel Telka *cs->statusp = resp->status = NFS4ERR_RESOURCE; 73337c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 7334f3b585ceSsamf goto end; 73357c478bd9Sstevel@tonic-gate } 73367c478bd9Sstevel@tonic-gate 73377c478bd9Sstevel@tonic-gate /* Hold off access to the sequence space while the open is done */ 7338d216dff5SRobert Mastors rfs4_sw_enter(&oo->ro_sw); 73397c478bd9Sstevel@tonic-gate 73407c478bd9Sstevel@tonic-gate /* 73417c478bd9Sstevel@tonic-gate * If the open_owner existed before at the server, then check 73427c478bd9Sstevel@tonic-gate * the sequence id. 73437c478bd9Sstevel@tonic-gate */ 7344d216dff5SRobert Mastors if (!create && !oo->ro_postpone_confirm) { 73457c478bd9Sstevel@tonic-gate switch (rfs4_check_open_seqid(args->seqid, oo, resop)) { 73467c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 7347d216dff5SRobert Mastors if ((args->seqid > oo->ro_open_seqid) && 7348d216dff5SRobert Mastors oo->ro_need_confirm) { 73497c478bd9Sstevel@tonic-gate rfs4_free_opens(oo, TRUE, FALSE); 7350d216dff5SRobert Mastors rfs4_sw_exit(&oo->ro_sw); 73517c478bd9Sstevel@tonic-gate rfs4_openowner_rele(oo); 73527c478bd9Sstevel@tonic-gate goto retry; 73537c478bd9Sstevel@tonic-gate } 73547c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_BAD_SEQID; 73557c478bd9Sstevel@tonic-gate goto out; 73567c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: /* replay of previous request */ 73577c478bd9Sstevel@tonic-gate replay = TRUE; 73587c478bd9Sstevel@tonic-gate goto out; 73597c478bd9Sstevel@tonic-gate default: 73607c478bd9Sstevel@tonic-gate break; 73617c478bd9Sstevel@tonic-gate } 73627c478bd9Sstevel@tonic-gate 73637c478bd9Sstevel@tonic-gate /* 73647c478bd9Sstevel@tonic-gate * Sequence was ok and open owner exists 73657c478bd9Sstevel@tonic-gate * check to see if we have yet to see an 73667c478bd9Sstevel@tonic-gate * open_confirm. 73677c478bd9Sstevel@tonic-gate */ 7368d216dff5SRobert Mastors if (oo->ro_need_confirm) { 73697c478bd9Sstevel@tonic-gate rfs4_free_opens(oo, TRUE, FALSE); 7370d216dff5SRobert Mastors rfs4_sw_exit(&oo->ro_sw); 73717c478bd9Sstevel@tonic-gate rfs4_openowner_rele(oo); 73727c478bd9Sstevel@tonic-gate goto retry; 73737c478bd9Sstevel@tonic-gate } 73747c478bd9Sstevel@tonic-gate } 73757c478bd9Sstevel@tonic-gate /* Grace only applies to regular-type OPENs */ 73767c478bd9Sstevel@tonic-gate if (rfs4_clnt_in_grace(cp) && 73777c478bd9Sstevel@tonic-gate (claim == CLAIM_NULL || claim == CLAIM_DELEGATE_CUR)) { 73787c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_GRACE; 73797c478bd9Sstevel@tonic-gate goto out; 73807c478bd9Sstevel@tonic-gate } 73817c478bd9Sstevel@tonic-gate 73827c478bd9Sstevel@tonic-gate /* 73837c478bd9Sstevel@tonic-gate * If previous state at the server existed then can_reclaim 73847c478bd9Sstevel@tonic-gate * will be set. If not reply NFS4ERR_NO_GRACE to the 73857c478bd9Sstevel@tonic-gate * client. 73867c478bd9Sstevel@tonic-gate */ 73877c478bd9Sstevel@tonic-gate if (rfs4_clnt_in_grace(cp) && claim == CLAIM_PREVIOUS && !can_reclaim) { 73887c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NO_GRACE; 73897c478bd9Sstevel@tonic-gate goto out; 73907c478bd9Sstevel@tonic-gate } 73917c478bd9Sstevel@tonic-gate 73927c478bd9Sstevel@tonic-gate 73937c478bd9Sstevel@tonic-gate /* 73947c478bd9Sstevel@tonic-gate * Reject the open if the client has missed the grace period 73957c478bd9Sstevel@tonic-gate */ 73967c478bd9Sstevel@tonic-gate if (!rfs4_clnt_in_grace(cp) && claim == CLAIM_PREVIOUS) { 73977c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NO_GRACE; 73987c478bd9Sstevel@tonic-gate goto out; 73997c478bd9Sstevel@tonic-gate } 74007c478bd9Sstevel@tonic-gate 74017c478bd9Sstevel@tonic-gate /* Couple of up-front bookkeeping items */ 7402d216dff5SRobert Mastors if (oo->ro_need_confirm) { 74037c478bd9Sstevel@tonic-gate /* 74047c478bd9Sstevel@tonic-gate * If this is a reclaim OPEN then we should not ask 74057c478bd9Sstevel@tonic-gate * for a confirmation of the open_owner per the 74067c478bd9Sstevel@tonic-gate * protocol specification. 74077c478bd9Sstevel@tonic-gate */ 74087c478bd9Sstevel@tonic-gate if (claim == CLAIM_PREVIOUS) 7409d216dff5SRobert Mastors oo->ro_need_confirm = FALSE; 74107c478bd9Sstevel@tonic-gate else 74117c478bd9Sstevel@tonic-gate resp->rflags |= OPEN4_RESULT_CONFIRM; 74127c478bd9Sstevel@tonic-gate } 74137c478bd9Sstevel@tonic-gate resp->rflags |= OPEN4_RESULT_LOCKTYPE_POSIX; 74147c478bd9Sstevel@tonic-gate 74157c478bd9Sstevel@tonic-gate /* 74167c478bd9Sstevel@tonic-gate * If there is an unshared filesystem mounted on this vnode, 74177c478bd9Sstevel@tonic-gate * do not allow to open/create in this directory. 74187c478bd9Sstevel@tonic-gate */ 74197c478bd9Sstevel@tonic-gate if (vn_ismntpt(cs->vp)) { 74207c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ACCESS; 74217c478bd9Sstevel@tonic-gate goto out; 74227c478bd9Sstevel@tonic-gate } 74237c478bd9Sstevel@tonic-gate 74247c478bd9Sstevel@tonic-gate /* 74257c478bd9Sstevel@tonic-gate * access must READ, WRITE, or BOTH. No access is invalid. 74267c478bd9Sstevel@tonic-gate * deny can be READ, WRITE, BOTH, or NONE. 74277c478bd9Sstevel@tonic-gate * bits not defined for access/deny are invalid. 74287c478bd9Sstevel@tonic-gate */ 74297c478bd9Sstevel@tonic-gate if (! (args->share_access & OPEN4_SHARE_ACCESS_BOTH) || 74307c478bd9Sstevel@tonic-gate (args->share_access & ~OPEN4_SHARE_ACCESS_BOTH) || 74317c478bd9Sstevel@tonic-gate (args->share_deny & ~OPEN4_SHARE_DENY_BOTH)) { 74327c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 74337c478bd9Sstevel@tonic-gate goto out; 74347c478bd9Sstevel@tonic-gate } 74357c478bd9Sstevel@tonic-gate 74367c478bd9Sstevel@tonic-gate 74377c478bd9Sstevel@tonic-gate /* 74387c478bd9Sstevel@tonic-gate * make sure attrset is zero before response is built. 74397c478bd9Sstevel@tonic-gate */ 74407c478bd9Sstevel@tonic-gate resp->attrset = 0; 74417c478bd9Sstevel@tonic-gate 74427c478bd9Sstevel@tonic-gate switch (claim) { 74437c478bd9Sstevel@tonic-gate case CLAIM_NULL: 74447c478bd9Sstevel@tonic-gate rfs4_do_opennull(cs, req, args, oo, resp); 74457c478bd9Sstevel@tonic-gate break; 74467c478bd9Sstevel@tonic-gate case CLAIM_PREVIOUS: 74477c478bd9Sstevel@tonic-gate rfs4_do_openprev(cs, req, args, oo, resp); 74487c478bd9Sstevel@tonic-gate break; 74497c478bd9Sstevel@tonic-gate case CLAIM_DELEGATE_CUR: 74507c478bd9Sstevel@tonic-gate rfs4_do_opendelcur(cs, req, args, oo, resp); 74517c478bd9Sstevel@tonic-gate break; 74527c478bd9Sstevel@tonic-gate case CLAIM_DELEGATE_PREV: 74537c478bd9Sstevel@tonic-gate rfs4_do_opendelprev(cs, req, args, oo, resp); 74547c478bd9Sstevel@tonic-gate break; 74557c478bd9Sstevel@tonic-gate default: 74567c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 74577c478bd9Sstevel@tonic-gate break; 74587c478bd9Sstevel@tonic-gate } 74597c478bd9Sstevel@tonic-gate 74607c478bd9Sstevel@tonic-gate out: 74617c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 74627c478bd9Sstevel@tonic-gate 74637c478bd9Sstevel@tonic-gate /* Catch sequence id handling here to make it a little easier */ 74647c478bd9Sstevel@tonic-gate switch (resp->status) { 74657c478bd9Sstevel@tonic-gate case NFS4ERR_BADXDR: 74667c478bd9Sstevel@tonic-gate case NFS4ERR_BAD_SEQID: 74677c478bd9Sstevel@tonic-gate case NFS4ERR_BAD_STATEID: 74687c478bd9Sstevel@tonic-gate case NFS4ERR_NOFILEHANDLE: 74697c478bd9Sstevel@tonic-gate case NFS4ERR_RESOURCE: 74707c478bd9Sstevel@tonic-gate case NFS4ERR_STALE_CLIENTID: 74717c478bd9Sstevel@tonic-gate case NFS4ERR_STALE_STATEID: 74727c478bd9Sstevel@tonic-gate /* 74737c478bd9Sstevel@tonic-gate * The protocol states that if any of these errors are 74747c478bd9Sstevel@tonic-gate * being returned, the sequence id should not be 74757c478bd9Sstevel@tonic-gate * incremented. Any other return requires an 74767c478bd9Sstevel@tonic-gate * increment. 74777c478bd9Sstevel@tonic-gate */ 74787c478bd9Sstevel@tonic-gate break; 74797c478bd9Sstevel@tonic-gate default: 74807c478bd9Sstevel@tonic-gate /* Always update the lease in this case */ 7481d216dff5SRobert Mastors rfs4_update_lease(oo->ro_client); 74827c478bd9Sstevel@tonic-gate 74837c478bd9Sstevel@tonic-gate /* Regular response - copy the result */ 74847c478bd9Sstevel@tonic-gate if (!replay) 74857c478bd9Sstevel@tonic-gate rfs4_update_open_resp(oo, resop, &cs->fh); 74867c478bd9Sstevel@tonic-gate 74877c478bd9Sstevel@tonic-gate /* 74887c478bd9Sstevel@tonic-gate * REPLAY case: Only if the previous response was OK 74897c478bd9Sstevel@tonic-gate * do we copy the filehandle. If not OK, no 74907c478bd9Sstevel@tonic-gate * filehandle to copy. 74917c478bd9Sstevel@tonic-gate */ 74927c478bd9Sstevel@tonic-gate if (replay == TRUE && 74937c478bd9Sstevel@tonic-gate resp->status == NFS4_OK && 7494d216dff5SRobert Mastors oo->ro_reply_fh.nfs_fh4_val) { 74957c478bd9Sstevel@tonic-gate /* 74967c478bd9Sstevel@tonic-gate * If this is a replay, we must restore the 74977c478bd9Sstevel@tonic-gate * current filehandle/vp to that of what was 74987c478bd9Sstevel@tonic-gate * returned originally. Try our best to do 74997c478bd9Sstevel@tonic-gate * it. 75007c478bd9Sstevel@tonic-gate */ 75017c478bd9Sstevel@tonic-gate nfs_fh4_fmt_t *fh_fmtp = 7502d216dff5SRobert Mastors (nfs_fh4_fmt_t *)oo->ro_reply_fh.nfs_fh4_val; 75037c478bd9Sstevel@tonic-gate 75047c478bd9Sstevel@tonic-gate cs->exi = checkexport4(&fh_fmtp->fh4_fsid, 75057c478bd9Sstevel@tonic-gate (fid_t *)&fh_fmtp->fh4_xlen, NULL); 75067c478bd9Sstevel@tonic-gate 75077c478bd9Sstevel@tonic-gate if (cs->exi == NULL) { 75087c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_STALE; 75097c478bd9Sstevel@tonic-gate goto finish; 75107c478bd9Sstevel@tonic-gate } 75117c478bd9Sstevel@tonic-gate 75127c478bd9Sstevel@tonic-gate VN_RELE(cs->vp); 75137c478bd9Sstevel@tonic-gate 7514d216dff5SRobert Mastors cs->vp = nfs4_fhtovp(&oo->ro_reply_fh, cs->exi, 75157c478bd9Sstevel@tonic-gate &resp->status); 75167c478bd9Sstevel@tonic-gate 75177c478bd9Sstevel@tonic-gate if (cs->vp == NULL) 75187c478bd9Sstevel@tonic-gate goto finish; 75197c478bd9Sstevel@tonic-gate 7520d216dff5SRobert Mastors nfs_fh4_copy(&oo->ro_reply_fh, &cs->fh); 75217c478bd9Sstevel@tonic-gate } 75227c478bd9Sstevel@tonic-gate 75237c478bd9Sstevel@tonic-gate /* 75247c478bd9Sstevel@tonic-gate * If this was a replay, no need to update the 75257c478bd9Sstevel@tonic-gate * sequence id. If the open_owner was not created on 75267c478bd9Sstevel@tonic-gate * this pass, then update. The first use of an 75277c478bd9Sstevel@tonic-gate * open_owner will not bump the sequence id. 75287c478bd9Sstevel@tonic-gate */ 75297c478bd9Sstevel@tonic-gate if (replay == FALSE && !create) 75307c478bd9Sstevel@tonic-gate rfs4_update_open_sequence(oo); 75317c478bd9Sstevel@tonic-gate /* 75327c478bd9Sstevel@tonic-gate * If the client is receiving an error and the 75337c478bd9Sstevel@tonic-gate * open_owner needs to be confirmed, there is no way 75347c478bd9Sstevel@tonic-gate * to notify the client of this fact ignoring the fact 75357c478bd9Sstevel@tonic-gate * that the server has no method of returning a 75367c478bd9Sstevel@tonic-gate * stateid to confirm. Therefore, the server needs to 75377c478bd9Sstevel@tonic-gate * mark this open_owner in a way as to avoid the 75387c478bd9Sstevel@tonic-gate * sequence id checking the next time the client uses 75397c478bd9Sstevel@tonic-gate * this open_owner. 75407c478bd9Sstevel@tonic-gate */ 7541d216dff5SRobert Mastors if (resp->status != NFS4_OK && oo->ro_need_confirm) 7542d216dff5SRobert Mastors oo->ro_postpone_confirm = TRUE; 75437c478bd9Sstevel@tonic-gate /* 75447c478bd9Sstevel@tonic-gate * If OK response then clear the postpone flag and 75457c478bd9Sstevel@tonic-gate * reset the sequence id to keep in sync with the 75467c478bd9Sstevel@tonic-gate * client. 75477c478bd9Sstevel@tonic-gate */ 7548d216dff5SRobert Mastors if (resp->status == NFS4_OK && oo->ro_postpone_confirm) { 7549d216dff5SRobert Mastors oo->ro_postpone_confirm = FALSE; 7550d216dff5SRobert Mastors oo->ro_open_seqid = args->seqid; 75517c478bd9Sstevel@tonic-gate } 75527c478bd9Sstevel@tonic-gate break; 75537c478bd9Sstevel@tonic-gate } 75547c478bd9Sstevel@tonic-gate 75557c478bd9Sstevel@tonic-gate finish: 75567c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 75577c478bd9Sstevel@tonic-gate 7558d216dff5SRobert Mastors rfs4_sw_exit(&oo->ro_sw); 75597c478bd9Sstevel@tonic-gate rfs4_openowner_rele(oo); 7560f3b585ceSsamf 7561f3b585ceSsamf end: 7562f3b585ceSsamf DTRACE_NFSV4_2(op__open__done, struct compound_state *, cs, 7563f3b585ceSsamf OPEN4res *, resp); 75647c478bd9Sstevel@tonic-gate } 75657c478bd9Sstevel@tonic-gate 75667c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 75677c478bd9Sstevel@tonic-gate void 75687c478bd9Sstevel@tonic-gate rfs4_op_open_confirm(nfs_argop4 *argop, nfs_resop4 *resop, 75697c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 75707c478bd9Sstevel@tonic-gate { 75717c478bd9Sstevel@tonic-gate OPEN_CONFIRM4args *args = &argop->nfs_argop4_u.opopen_confirm; 75727c478bd9Sstevel@tonic-gate OPEN_CONFIRM4res *resp = &resop->nfs_resop4_u.opopen_confirm; 75737c478bd9Sstevel@tonic-gate rfs4_state_t *sp; 75747c478bd9Sstevel@tonic-gate nfsstat4 status; 75757c478bd9Sstevel@tonic-gate 7576f3b585ceSsamf DTRACE_NFSV4_2(op__open__confirm__start, struct compound_state *, cs, 7577f3b585ceSsamf OPEN_CONFIRM4args *, args); 7578f3b585ceSsamf 75797c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 75807c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 7581f3b585ceSsamf goto out; 75827c478bd9Sstevel@tonic-gate } 75837c478bd9Sstevel@tonic-gate 7584447cd349SDaniil Lunev if (cs->vp->v_type != VREG) { 7585447cd349SDaniil Lunev *cs->statusp = resp->status = 7586447cd349SDaniil Lunev cs->vp->v_type == VDIR ? NFS4ERR_ISDIR : NFS4ERR_INVAL; 7587447cd349SDaniil Lunev return; 7588447cd349SDaniil Lunev } 7589447cd349SDaniil Lunev 75907c478bd9Sstevel@tonic-gate status = rfs4_get_state(&args->open_stateid, &sp, RFS4_DBS_VALID); 75917c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 75927c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 7593f3b585ceSsamf goto out; 75947c478bd9Sstevel@tonic-gate } 75957c478bd9Sstevel@tonic-gate 75967c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 7597d216dff5SRobert Mastors if (cs->vp != sp->rs_finfo->rf_vp) { 75987c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 75997c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 7600f3b585ceSsamf goto out; 76017c478bd9Sstevel@tonic-gate } 76027c478bd9Sstevel@tonic-gate 76037c478bd9Sstevel@tonic-gate /* hold off other access to open_owner while we tinker */ 7604d216dff5SRobert Mastors rfs4_sw_enter(&sp->rs_owner->ro_sw); 76057c478bd9Sstevel@tonic-gate 76067c478bd9Sstevel@tonic-gate switch (rfs4_check_stateid_seqid(sp, &args->open_stateid)) { 76077c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 7608d216dff5SRobert Mastors if (rfs4_check_open_seqid(args->seqid, sp->rs_owner, 76097c478bd9Sstevel@tonic-gate resop) != 0) { 76107c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 76117c478bd9Sstevel@tonic-gate break; 76127c478bd9Sstevel@tonic-gate } 76137c478bd9Sstevel@tonic-gate /* 76147c478bd9Sstevel@tonic-gate * If it is the appropriate stateid and determined to 76157c478bd9Sstevel@tonic-gate * be "OKAY" then this means that the stateid does not 76167c478bd9Sstevel@tonic-gate * need to be confirmed and the client is in error for 76177c478bd9Sstevel@tonic-gate * sending an OPEN_CONFIRM. 76187c478bd9Sstevel@tonic-gate */ 76197c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 76207c478bd9Sstevel@tonic-gate break; 76217c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 76227c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 76237c478bd9Sstevel@tonic-gate break; 76247c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 76257c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 76267c478bd9Sstevel@tonic-gate break; 76277c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 76287c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 76297c478bd9Sstevel@tonic-gate break; 76307c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 76317c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 76327c478bd9Sstevel@tonic-gate break; 76337c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 7634d216dff5SRobert Mastors switch (rfs4_check_open_seqid(args->seqid, sp->rs_owner, 7635d216dff5SRobert Mastors resop)) { 76367c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 76377c478bd9Sstevel@tonic-gate /* 76387c478bd9Sstevel@tonic-gate * This is replayed stateid; if seqid matches 76397c478bd9Sstevel@tonic-gate * next expected, then client is using wrong seqid. 76407c478bd9Sstevel@tonic-gate */ 76417c478bd9Sstevel@tonic-gate /* fall through */ 76427c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 76437c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 76447c478bd9Sstevel@tonic-gate break; 76457c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 76467c478bd9Sstevel@tonic-gate /* 76477c478bd9Sstevel@tonic-gate * Note this case is the duplicate case so 76487c478bd9Sstevel@tonic-gate * resp->status is already set. 76497c478bd9Sstevel@tonic-gate */ 76507c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 7651d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 76527c478bd9Sstevel@tonic-gate break; 76537c478bd9Sstevel@tonic-gate } 76547c478bd9Sstevel@tonic-gate break; 76557c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_UNCONFIRMED: 7656d216dff5SRobert Mastors if (rfs4_check_open_seqid(args->seqid, sp->rs_owner, 76577c478bd9Sstevel@tonic-gate resop) != NFS4_CHKSEQ_OKAY) { 76587c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 76597c478bd9Sstevel@tonic-gate break; 76607c478bd9Sstevel@tonic-gate } 76617c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 76627c478bd9Sstevel@tonic-gate 7663d216dff5SRobert Mastors next_stateid(&sp->rs_stateid); 7664d216dff5SRobert Mastors resp->open_stateid = sp->rs_stateid.stateid; 7665d216dff5SRobert Mastors sp->rs_owner->ro_need_confirm = FALSE; 7666d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 7667d216dff5SRobert Mastors rfs4_update_open_sequence(sp->rs_owner); 7668d216dff5SRobert Mastors rfs4_update_open_resp(sp->rs_owner, resop, NULL); 76697c478bd9Sstevel@tonic-gate break; 76707c478bd9Sstevel@tonic-gate default: 76717c478bd9Sstevel@tonic-gate ASSERT(FALSE); 76727c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 76737c478bd9Sstevel@tonic-gate break; 76747c478bd9Sstevel@tonic-gate } 7675d216dff5SRobert Mastors rfs4_sw_exit(&sp->rs_owner->ro_sw); 76767c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 7677f3b585ceSsamf 7678f3b585ceSsamf out: 7679f3b585ceSsamf DTRACE_NFSV4_2(op__open__confirm__done, struct compound_state *, cs, 7680f3b585ceSsamf OPEN_CONFIRM4res *, resp); 76817c478bd9Sstevel@tonic-gate } 76827c478bd9Sstevel@tonic-gate 76837c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 76847c478bd9Sstevel@tonic-gate void 76857c478bd9Sstevel@tonic-gate rfs4_op_open_downgrade(nfs_argop4 *argop, nfs_resop4 *resop, 76867c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 76877c478bd9Sstevel@tonic-gate { 76887c478bd9Sstevel@tonic-gate OPEN_DOWNGRADE4args *args = &argop->nfs_argop4_u.opopen_downgrade; 76897c478bd9Sstevel@tonic-gate OPEN_DOWNGRADE4res *resp = &resop->nfs_resop4_u.opopen_downgrade; 76907c478bd9Sstevel@tonic-gate uint32_t access = args->share_access; 76917c478bd9Sstevel@tonic-gate uint32_t deny = args->share_deny; 76927c478bd9Sstevel@tonic-gate nfsstat4 status; 76937c478bd9Sstevel@tonic-gate rfs4_state_t *sp; 76947c478bd9Sstevel@tonic-gate rfs4_file_t *fp; 7695da6c28aaSamw int fflags = 0; 76967c478bd9Sstevel@tonic-gate 7697f3b585ceSsamf DTRACE_NFSV4_2(op__open__downgrade__start, struct compound_state *, cs, 7698f3b585ceSsamf OPEN_DOWNGRADE4args *, args); 7699f3b585ceSsamf 77007c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 77017c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 7702f3b585ceSsamf goto out; 77037c478bd9Sstevel@tonic-gate } 77047c478bd9Sstevel@tonic-gate 770521feb70aSDaniil Lunev if (cs->vp->v_type != VREG) { 770621feb70aSDaniil Lunev *cs->statusp = resp->status = NFS4ERR_INVAL; 770721feb70aSDaniil Lunev return; 770821feb70aSDaniil Lunev } 770921feb70aSDaniil Lunev 77107c478bd9Sstevel@tonic-gate status = rfs4_get_state(&args->open_stateid, &sp, RFS4_DBS_VALID); 77117c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 77127c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 7713f3b585ceSsamf goto out; 77147c478bd9Sstevel@tonic-gate } 77157c478bd9Sstevel@tonic-gate 77167c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 7717d216dff5SRobert Mastors if (cs->vp != sp->rs_finfo->rf_vp) { 77187c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 77197c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 7720f3b585ceSsamf goto out; 77217c478bd9Sstevel@tonic-gate } 77227c478bd9Sstevel@tonic-gate 77237c478bd9Sstevel@tonic-gate /* hold off other access to open_owner while we tinker */ 7724d216dff5SRobert Mastors rfs4_sw_enter(&sp->rs_owner->ro_sw); 77257c478bd9Sstevel@tonic-gate 77267c478bd9Sstevel@tonic-gate switch (rfs4_check_stateid_seqid(sp, &args->open_stateid)) { 77277c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 7728d216dff5SRobert Mastors if (rfs4_check_open_seqid(args->seqid, sp->rs_owner, 77297c478bd9Sstevel@tonic-gate resop) != NFS4_CHKSEQ_OKAY) { 77307c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 77317c478bd9Sstevel@tonic-gate goto end; 77327c478bd9Sstevel@tonic-gate } 77337c478bd9Sstevel@tonic-gate break; 77347c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 77357c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 77367c478bd9Sstevel@tonic-gate goto end; 77377c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 77387c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 77397c478bd9Sstevel@tonic-gate goto end; 77407c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 77417c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 77427c478bd9Sstevel@tonic-gate goto end; 77437c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 77447c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 77457c478bd9Sstevel@tonic-gate goto end; 77467c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_UNCONFIRMED: 77477c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 77487c478bd9Sstevel@tonic-gate goto end; 77497c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 77507c478bd9Sstevel@tonic-gate /* Check the sequence id for the open owner */ 7751d216dff5SRobert Mastors switch (rfs4_check_open_seqid(args->seqid, sp->rs_owner, 7752d216dff5SRobert Mastors resop)) { 77537c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 77547c478bd9Sstevel@tonic-gate /* 77557c478bd9Sstevel@tonic-gate * This is replayed stateid; if seqid matches 77567c478bd9Sstevel@tonic-gate * next expected, then client is using wrong seqid. 77577c478bd9Sstevel@tonic-gate */ 77587c478bd9Sstevel@tonic-gate /* fall through */ 77597c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 77607c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 77617c478bd9Sstevel@tonic-gate goto end; 77627c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 77637c478bd9Sstevel@tonic-gate /* 77647c478bd9Sstevel@tonic-gate * Note this case is the duplicate case so 77657c478bd9Sstevel@tonic-gate * resp->status is already set. 77667c478bd9Sstevel@tonic-gate */ 77677c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 7768d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 77697c478bd9Sstevel@tonic-gate goto end; 77707c478bd9Sstevel@tonic-gate } 77717c478bd9Sstevel@tonic-gate break; 77727c478bd9Sstevel@tonic-gate default: 77737c478bd9Sstevel@tonic-gate ASSERT(FALSE); 77747c478bd9Sstevel@tonic-gate break; 77757c478bd9Sstevel@tonic-gate } 77767c478bd9Sstevel@tonic-gate 7777d216dff5SRobert Mastors rfs4_dbe_lock(sp->rs_dbe); 77787c478bd9Sstevel@tonic-gate /* 77797c478bd9Sstevel@tonic-gate * Check that the new access modes and deny modes are valid. 77807c478bd9Sstevel@tonic-gate * Check that no invalid bits are set. 77817c478bd9Sstevel@tonic-gate */ 77827c478bd9Sstevel@tonic-gate if ((access & ~(OPEN4_SHARE_ACCESS_READ | OPEN4_SHARE_ACCESS_WRITE)) || 7783da6c28aaSamw (deny & ~(OPEN4_SHARE_DENY_READ | OPEN4_SHARE_DENY_WRITE))) { 77847c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 7785d216dff5SRobert Mastors rfs4_update_open_sequence(sp->rs_owner); 7786d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 77877c478bd9Sstevel@tonic-gate goto end; 77887c478bd9Sstevel@tonic-gate } 77897c478bd9Sstevel@tonic-gate 77907c478bd9Sstevel@tonic-gate /* 77917c478bd9Sstevel@tonic-gate * The new modes must be a subset of the current modes and 77927c478bd9Sstevel@tonic-gate * the access must specify at least one mode. To test that 77937c478bd9Sstevel@tonic-gate * the new mode is a subset of the current modes we bitwise 77947c478bd9Sstevel@tonic-gate * AND them together and check that the result equals the new 77957c478bd9Sstevel@tonic-gate * mode. For example: 779650956b22SJames Wahlig * New mode, access == R and current mode, sp->rs_open_access == RW 779750956b22SJames Wahlig * access & sp->rs_open_access == R == access, so the new access mode 779850956b22SJames Wahlig * is valid. Consider access == RW, sp->rs_open_access = R 779950956b22SJames Wahlig * access & sp->rs_open_access == R != access, so the new access mode 78007c478bd9Sstevel@tonic-gate * is invalid. 78017c478bd9Sstevel@tonic-gate */ 780250956b22SJames Wahlig if ((access & sp->rs_open_access) != access || 780350956b22SJames Wahlig (deny & sp->rs_open_deny) != deny || 78047c478bd9Sstevel@tonic-gate (access & 78057c478bd9Sstevel@tonic-gate (OPEN4_SHARE_ACCESS_READ | OPEN4_SHARE_ACCESS_WRITE)) == 0) { 78067c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 7807d216dff5SRobert Mastors rfs4_update_open_sequence(sp->rs_owner); 7808d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 78097c478bd9Sstevel@tonic-gate goto end; 78107c478bd9Sstevel@tonic-gate } 78117c478bd9Sstevel@tonic-gate 78127c478bd9Sstevel@tonic-gate /* 78137c478bd9Sstevel@tonic-gate * Release any share locks associated with this stateID. 78147c478bd9Sstevel@tonic-gate * Strictly speaking, this violates the spec because the 78157c478bd9Sstevel@tonic-gate * spec effectively requires that open downgrade be atomic. 78167c478bd9Sstevel@tonic-gate * At present, fs_shrlock does not have this capability. 78177c478bd9Sstevel@tonic-gate */ 7818d216dff5SRobert Mastors (void) rfs4_unshare(sp); 78197c478bd9Sstevel@tonic-gate 782050956b22SJames Wahlig status = rfs4_share(sp, access, deny); 782150956b22SJames Wahlig if (status != NFS4_OK) { 782250956b22SJames Wahlig *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 782350956b22SJames Wahlig rfs4_update_open_sequence(sp->rs_owner); 782450956b22SJames Wahlig rfs4_dbe_unlock(sp->rs_dbe); 782550956b22SJames Wahlig goto end; 782650956b22SJames Wahlig } 782750956b22SJames Wahlig 7828d216dff5SRobert Mastors fp = sp->rs_finfo; 7829d216dff5SRobert Mastors rfs4_dbe_lock(fp->rf_dbe); 78307c478bd9Sstevel@tonic-gate 78317c478bd9Sstevel@tonic-gate /* 78327c478bd9Sstevel@tonic-gate * If the current mode has deny read and the new mode 78337c478bd9Sstevel@tonic-gate * does not, decrement the number of deny read mode bits 78347c478bd9Sstevel@tonic-gate * and if it goes to zero turn off the deny read bit 78357c478bd9Sstevel@tonic-gate * on the file. 78367c478bd9Sstevel@tonic-gate */ 783750956b22SJames Wahlig if ((sp->rs_open_deny & OPEN4_SHARE_DENY_READ) && 78387c478bd9Sstevel@tonic-gate (deny & OPEN4_SHARE_DENY_READ) == 0) { 7839d216dff5SRobert Mastors fp->rf_deny_read--; 7840d216dff5SRobert Mastors if (fp->rf_deny_read == 0) 7841d216dff5SRobert Mastors fp->rf_share_deny &= ~OPEN4_SHARE_DENY_READ; 78427c478bd9Sstevel@tonic-gate } 78437c478bd9Sstevel@tonic-gate 78447c478bd9Sstevel@tonic-gate /* 78457c478bd9Sstevel@tonic-gate * If the current mode has deny write and the new mode 78467c478bd9Sstevel@tonic-gate * does not, decrement the number of deny write mode bits 78477c478bd9Sstevel@tonic-gate * and if it goes to zero turn off the deny write bit 78487c478bd9Sstevel@tonic-gate * on the file. 78497c478bd9Sstevel@tonic-gate */ 785050956b22SJames Wahlig if ((sp->rs_open_deny & OPEN4_SHARE_DENY_WRITE) && 78517c478bd9Sstevel@tonic-gate (deny & OPEN4_SHARE_DENY_WRITE) == 0) { 7852d216dff5SRobert Mastors fp->rf_deny_write--; 7853d216dff5SRobert Mastors if (fp->rf_deny_write == 0) 7854d216dff5SRobert Mastors fp->rf_share_deny &= ~OPEN4_SHARE_DENY_WRITE; 78557c478bd9Sstevel@tonic-gate } 78567c478bd9Sstevel@tonic-gate 78577c478bd9Sstevel@tonic-gate /* 78587c478bd9Sstevel@tonic-gate * If the current mode has access read and the new mode 78597c478bd9Sstevel@tonic-gate * does not, decrement the number of access read mode bits 78607c478bd9Sstevel@tonic-gate * and if it goes to zero turn off the access read bit 7861da6c28aaSamw * on the file. set fflags to FREAD for the call to 7862da6c28aaSamw * vn_open_downgrade(). 78637c478bd9Sstevel@tonic-gate */ 786450956b22SJames Wahlig if ((sp->rs_open_access & OPEN4_SHARE_ACCESS_READ) && 78657c478bd9Sstevel@tonic-gate (access & OPEN4_SHARE_ACCESS_READ) == 0) { 7866d216dff5SRobert Mastors fp->rf_access_read--; 7867d216dff5SRobert Mastors if (fp->rf_access_read == 0) 7868d216dff5SRobert Mastors fp->rf_share_access &= ~OPEN4_SHARE_ACCESS_READ; 7869da6c28aaSamw fflags |= FREAD; 78707c478bd9Sstevel@tonic-gate } 78717c478bd9Sstevel@tonic-gate 78727c478bd9Sstevel@tonic-gate /* 78737c478bd9Sstevel@tonic-gate * If the current mode has access write and the new mode 78747c478bd9Sstevel@tonic-gate * does not, decrement the number of access write mode bits 78757c478bd9Sstevel@tonic-gate * and if it goes to zero turn off the access write bit 7876da6c28aaSamw * on the file. set fflags to FWRITE for the call to 7877da6c28aaSamw * vn_open_downgrade(). 78787c478bd9Sstevel@tonic-gate */ 787950956b22SJames Wahlig if ((sp->rs_open_access & OPEN4_SHARE_ACCESS_WRITE) && 78807c478bd9Sstevel@tonic-gate (access & OPEN4_SHARE_ACCESS_WRITE) == 0) { 7881d216dff5SRobert Mastors fp->rf_access_write--; 7882d216dff5SRobert Mastors if (fp->rf_access_write == 0) 7883d216dff5SRobert Mastors fp->rf_share_deny &= ~OPEN4_SHARE_ACCESS_WRITE; 7884da6c28aaSamw fflags |= FWRITE; 78857c478bd9Sstevel@tonic-gate } 78867c478bd9Sstevel@tonic-gate 78877c478bd9Sstevel@tonic-gate /* Check that the file is still accessible */ 7888d216dff5SRobert Mastors ASSERT(fp->rf_share_access); 78897c478bd9Sstevel@tonic-gate 7890d216dff5SRobert Mastors rfs4_dbe_unlock(fp->rf_dbe); 78917c478bd9Sstevel@tonic-gate 789250956b22SJames Wahlig /* now set the new open access and deny modes */ 789350956b22SJames Wahlig sp->rs_open_access = access; 789450956b22SJames Wahlig sp->rs_open_deny = deny; 78957c478bd9Sstevel@tonic-gate 7896da6c28aaSamw /* 7897da6c28aaSamw * we successfully downgraded the share lock, now we need to downgrade 7898da6c28aaSamw * the open. it is possible that the downgrade was only for a deny 7899da6c28aaSamw * mode and we have nothing else to do. 7900da6c28aaSamw */ 7901da6c28aaSamw if ((fflags & (FREAD|FWRITE)) != 0) 7902da6c28aaSamw vn_open_downgrade(cs->vp, fflags); 7903da6c28aaSamw 79047c478bd9Sstevel@tonic-gate /* Update the stateid */ 7905d216dff5SRobert Mastors next_stateid(&sp->rs_stateid); 7906d216dff5SRobert Mastors resp->open_stateid = sp->rs_stateid.stateid; 79077c478bd9Sstevel@tonic-gate 7908d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 79097c478bd9Sstevel@tonic-gate 79107c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4_OK; 79117c478bd9Sstevel@tonic-gate /* Update the lease */ 7912d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 79137c478bd9Sstevel@tonic-gate /* And the sequence */ 7914d216dff5SRobert Mastors rfs4_update_open_sequence(sp->rs_owner); 7915d216dff5SRobert Mastors rfs4_update_open_resp(sp->rs_owner, resop, NULL); 79167c478bd9Sstevel@tonic-gate 79177c478bd9Sstevel@tonic-gate end: 7918d216dff5SRobert Mastors rfs4_sw_exit(&sp->rs_owner->ro_sw); 79197c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 7920f3b585ceSsamf out: 7921f3b585ceSsamf DTRACE_NFSV4_2(op__open__downgrade__done, struct compound_state *, cs, 7922f3b585ceSsamf OPEN_DOWNGRADE4res *, resp); 79237c478bd9Sstevel@tonic-gate } 79247c478bd9Sstevel@tonic-gate 79257c9adcc5SMarcel Telka static void * 79267c9adcc5SMarcel Telka memstr(const void *s1, const char *s2, size_t n) 79277c9adcc5SMarcel Telka { 79287c9adcc5SMarcel Telka size_t l = strlen(s2); 79297c9adcc5SMarcel Telka char *p = (char *)s1; 79307c9adcc5SMarcel Telka 79317c9adcc5SMarcel Telka while (n >= l) { 79327c9adcc5SMarcel Telka if (bcmp(p, s2, l) == 0) 79337c9adcc5SMarcel Telka return (p); 79347c9adcc5SMarcel Telka p++; 79357c9adcc5SMarcel Telka n--; 79367c9adcc5SMarcel Telka } 79377c9adcc5SMarcel Telka 79387c9adcc5SMarcel Telka return (NULL); 79397c9adcc5SMarcel Telka } 79407c9adcc5SMarcel Telka 79417c478bd9Sstevel@tonic-gate /* 79427c478bd9Sstevel@tonic-gate * The logic behind this function is detailed in the NFSv4 RFC in the 79437c478bd9Sstevel@tonic-gate * SETCLIENTID operation description under IMPLEMENTATION. Refer to 79447c478bd9Sstevel@tonic-gate * that section for explicit guidance to server behavior for 79457c478bd9Sstevel@tonic-gate * SETCLIENTID. 79467c478bd9Sstevel@tonic-gate */ 79477c478bd9Sstevel@tonic-gate void 79487c478bd9Sstevel@tonic-gate rfs4_op_setclientid(nfs_argop4 *argop, nfs_resop4 *resop, 79497c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 79507c478bd9Sstevel@tonic-gate { 79517c478bd9Sstevel@tonic-gate SETCLIENTID4args *args = &argop->nfs_argop4_u.opsetclientid; 79527c478bd9Sstevel@tonic-gate SETCLIENTID4res *res = &resop->nfs_resop4_u.opsetclientid; 79537c478bd9Sstevel@tonic-gate rfs4_client_t *cp, *newcp, *cp_confirmed, *cp_unconfirmed; 79542f172c55SRobert Thurlow rfs4_clntip_t *ci; 79552f172c55SRobert Thurlow bool_t create; 79567c478bd9Sstevel@tonic-gate char *addr, *netid; 79577c478bd9Sstevel@tonic-gate int len; 79587c478bd9Sstevel@tonic-gate 7959f3b585ceSsamf DTRACE_NFSV4_2(op__setclientid__start, struct compound_state *, cs, 7960f3b585ceSsamf SETCLIENTID4args *, args); 79617c478bd9Sstevel@tonic-gate retry: 79627c478bd9Sstevel@tonic-gate newcp = cp_confirmed = cp_unconfirmed = NULL; 79637c478bd9Sstevel@tonic-gate 79647c478bd9Sstevel@tonic-gate /* 79652f172c55SRobert Thurlow * Save the caller's IP address 79662f172c55SRobert Thurlow */ 79672f172c55SRobert Thurlow args->client.cl_addr = 79682f172c55SRobert Thurlow (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 79692f172c55SRobert Thurlow 79702f172c55SRobert Thurlow /* 79712f172c55SRobert Thurlow * Record if it is a Solaris client that cannot handle referrals. 79722f172c55SRobert Thurlow */ 79737c9adcc5SMarcel Telka if (memstr(args->client.id_val, "Solaris", args->client.id_len) && 79747c9adcc5SMarcel Telka !memstr(args->client.id_val, "+referrals", args->client.id_len)) { 79752f172c55SRobert Thurlow /* Add a "yes, it's downrev" record */ 79762f172c55SRobert Thurlow create = TRUE; 79772f172c55SRobert Thurlow ci = rfs4_find_clntip(args->client.cl_addr, &create); 79782f172c55SRobert Thurlow ASSERT(ci != NULL); 79792f172c55SRobert Thurlow rfs4_dbe_rele(ci->ri_dbe); 79802f172c55SRobert Thurlow } else { 79812f172c55SRobert Thurlow /* Remove any previous record */ 79822f172c55SRobert Thurlow rfs4_invalidate_clntip(args->client.cl_addr); 79832f172c55SRobert Thurlow } 79842f172c55SRobert Thurlow 79852f172c55SRobert Thurlow /* 79867c478bd9Sstevel@tonic-gate * In search of an EXISTING client matching the incoming 79877c478bd9Sstevel@tonic-gate * request to establish a new client identifier at the server 79887c478bd9Sstevel@tonic-gate */ 79897c478bd9Sstevel@tonic-gate create = TRUE; 79907c478bd9Sstevel@tonic-gate cp = rfs4_findclient(&args->client, &create, NULL); 79917c478bd9Sstevel@tonic-gate 79927c478bd9Sstevel@tonic-gate /* Should never happen */ 79937c478bd9Sstevel@tonic-gate ASSERT(cp != NULL); 79947c478bd9Sstevel@tonic-gate 79957c478bd9Sstevel@tonic-gate if (cp == NULL) { 79967c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_SERVERFAULT; 7997f3b585ceSsamf goto out; 79987c478bd9Sstevel@tonic-gate } 79997c478bd9Sstevel@tonic-gate 80007c478bd9Sstevel@tonic-gate /* 80017c478bd9Sstevel@tonic-gate * Easiest case. Client identifier is newly created and is 80027c478bd9Sstevel@tonic-gate * unconfirmed. Also note that for this case, no other 80037c478bd9Sstevel@tonic-gate * entries exist for the client identifier. Nothing else to 80047c478bd9Sstevel@tonic-gate * check. Just setup the response and respond. 80057c478bd9Sstevel@tonic-gate */ 80067c478bd9Sstevel@tonic-gate if (create) { 80077c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4_OK; 8008d216dff5SRobert Mastors res->SETCLIENTID4res_u.resok4.clientid = cp->rc_clientid; 80097c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.resok4.setclientid_confirm = 8010d216dff5SRobert Mastors cp->rc_confirm_verf; 80117c478bd9Sstevel@tonic-gate /* Setup callback information; CB_NULL confirmation later */ 80127c478bd9Sstevel@tonic-gate rfs4_client_setcb(cp, &args->callback, args->callback_ident); 80137c478bd9Sstevel@tonic-gate 80147c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 8015f3b585ceSsamf goto out; 80167c478bd9Sstevel@tonic-gate } 80177c478bd9Sstevel@tonic-gate 80187c478bd9Sstevel@tonic-gate /* 80197c478bd9Sstevel@tonic-gate * An existing, confirmed client may exist but it may not have 80207c478bd9Sstevel@tonic-gate * been active for at least one lease period. If so, then 80217c478bd9Sstevel@tonic-gate * "close" the client and create a new client identifier 80227c478bd9Sstevel@tonic-gate */ 80237c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 80247c478bd9Sstevel@tonic-gate rfs4_client_close(cp); 80257c478bd9Sstevel@tonic-gate goto retry; 80267c478bd9Sstevel@tonic-gate } 80277c478bd9Sstevel@tonic-gate 8028d216dff5SRobert Mastors if (cp->rc_need_confirm == TRUE) 80297c478bd9Sstevel@tonic-gate cp_unconfirmed = cp; 80307c478bd9Sstevel@tonic-gate else 80317c478bd9Sstevel@tonic-gate cp_confirmed = cp; 80327c478bd9Sstevel@tonic-gate 80337c478bd9Sstevel@tonic-gate cp = NULL; 80347c478bd9Sstevel@tonic-gate 80357c478bd9Sstevel@tonic-gate /* 80367c478bd9Sstevel@tonic-gate * We have a confirmed client, now check for an 80377c478bd9Sstevel@tonic-gate * unconfimred entry 80387c478bd9Sstevel@tonic-gate */ 80397c478bd9Sstevel@tonic-gate if (cp_confirmed) { 80407c478bd9Sstevel@tonic-gate /* If creds don't match then client identifier is inuse */ 8041d216dff5SRobert Mastors if (!creds_ok(cp_confirmed->rc_cr_set, req, cs)) { 80427c478bd9Sstevel@tonic-gate rfs4_cbinfo_t *cbp; 80437c478bd9Sstevel@tonic-gate /* 80447c478bd9Sstevel@tonic-gate * Some one else has established this client 80457c478bd9Sstevel@tonic-gate * id. Try and say * who they are. We will use 80467c478bd9Sstevel@tonic-gate * the call back address supplied by * the 80477c478bd9Sstevel@tonic-gate * first client. 80487c478bd9Sstevel@tonic-gate */ 80497c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_CLID_INUSE; 80507c478bd9Sstevel@tonic-gate 80517c478bd9Sstevel@tonic-gate addr = netid = NULL; 80527c478bd9Sstevel@tonic-gate 8053d216dff5SRobert Mastors cbp = &cp_confirmed->rc_cbinfo; 80547c478bd9Sstevel@tonic-gate if (cbp->cb_callback.cb_location.r_addr && 80557c478bd9Sstevel@tonic-gate cbp->cb_callback.cb_location.r_netid) { 80567c478bd9Sstevel@tonic-gate cb_client4 *cbcp = &cbp->cb_callback; 80577c478bd9Sstevel@tonic-gate 80587c478bd9Sstevel@tonic-gate len = strlen(cbcp->cb_location.r_addr)+1; 80597c478bd9Sstevel@tonic-gate addr = kmem_alloc(len, KM_SLEEP); 80607c478bd9Sstevel@tonic-gate bcopy(cbcp->cb_location.r_addr, addr, len); 80617c478bd9Sstevel@tonic-gate len = strlen(cbcp->cb_location.r_netid)+1; 80627c478bd9Sstevel@tonic-gate netid = kmem_alloc(len, KM_SLEEP); 80637c478bd9Sstevel@tonic-gate bcopy(cbcp->cb_location.r_netid, netid, len); 80647c478bd9Sstevel@tonic-gate } 80657c478bd9Sstevel@tonic-gate 80667c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.client_using.r_addr = addr; 80677c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.client_using.r_netid = netid; 80687c478bd9Sstevel@tonic-gate 80697c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 80707c478bd9Sstevel@tonic-gate } 80717c478bd9Sstevel@tonic-gate 80727c478bd9Sstevel@tonic-gate /* 80737c478bd9Sstevel@tonic-gate * Confirmed, creds match, and verifier matches; must 80747c478bd9Sstevel@tonic-gate * be an update of the callback info 80757c478bd9Sstevel@tonic-gate */ 8076d216dff5SRobert Mastors if (cp_confirmed->rc_nfs_client.verifier == 80777c478bd9Sstevel@tonic-gate args->client.verifier) { 80787c478bd9Sstevel@tonic-gate /* Setup callback information */ 80797c478bd9Sstevel@tonic-gate rfs4_client_setcb(cp_confirmed, &args->callback, 80807c478bd9Sstevel@tonic-gate args->callback_ident); 80817c478bd9Sstevel@tonic-gate 80827c478bd9Sstevel@tonic-gate /* everything okay -- move ahead */ 80837c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4_OK; 80847c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.resok4.clientid = 8085d216dff5SRobert Mastors cp_confirmed->rc_clientid; 80867c478bd9Sstevel@tonic-gate 80877c478bd9Sstevel@tonic-gate /* update the confirm_verifier and return it */ 80887c478bd9Sstevel@tonic-gate rfs4_client_scv_next(cp_confirmed); 80897c478bd9Sstevel@tonic-gate res->SETCLIENTID4res_u.resok4.setclientid_confirm = 8090d216dff5SRobert Mastors cp_confirmed->rc_confirm_verf; 80917c478bd9Sstevel@tonic-gate 80927c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 8093f3b585ceSsamf goto out; 80947c478bd9Sstevel@tonic-gate } 80957c478bd9Sstevel@tonic-gate 80967c478bd9Sstevel@tonic-gate /* 80977c478bd9Sstevel@tonic-gate * Creds match but the verifier doesn't. Must search 80987c478bd9Sstevel@tonic-gate * for an unconfirmed client that would be replaced by 80997c478bd9Sstevel@tonic-gate * this request. 81007c478bd9Sstevel@tonic-gate */ 81017c478bd9Sstevel@tonic-gate create = FALSE; 81027c478bd9Sstevel@tonic-gate cp_unconfirmed = rfs4_findclient(&args->client, &create, 81037c478bd9Sstevel@tonic-gate cp_confirmed); 81047c478bd9Sstevel@tonic-gate } 81057c478bd9Sstevel@tonic-gate 81067c478bd9Sstevel@tonic-gate /* 81077c478bd9Sstevel@tonic-gate * At this point, we have taken care of the brand new client 81087c478bd9Sstevel@tonic-gate * struct, INUSE case, update of an existing, and confirmed 81097c478bd9Sstevel@tonic-gate * client struct. 81107c478bd9Sstevel@tonic-gate */ 81117c478bd9Sstevel@tonic-gate 81127c478bd9Sstevel@tonic-gate /* 81137c478bd9Sstevel@tonic-gate * check to see if things have changed while we originally 81147c478bd9Sstevel@tonic-gate * picked up the client struct. If they have, then return and 81157c478bd9Sstevel@tonic-gate * retry the processing of this SETCLIENTID request. 81167c478bd9Sstevel@tonic-gate */ 81177c478bd9Sstevel@tonic-gate if (cp_unconfirmed) { 8118d216dff5SRobert Mastors rfs4_dbe_lock(cp_unconfirmed->rc_dbe); 8119d216dff5SRobert Mastors if (!cp_unconfirmed->rc_need_confirm) { 8120d216dff5SRobert Mastors rfs4_dbe_unlock(cp_unconfirmed->rc_dbe); 81217c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_unconfirmed); 81227c478bd9Sstevel@tonic-gate if (cp_confirmed) 81237c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 81247c478bd9Sstevel@tonic-gate goto retry; 81257c478bd9Sstevel@tonic-gate } 81267c478bd9Sstevel@tonic-gate /* do away with the old unconfirmed one */ 8127d216dff5SRobert Mastors rfs4_dbe_invalidate(cp_unconfirmed->rc_dbe); 8128d216dff5SRobert Mastors rfs4_dbe_unlock(cp_unconfirmed->rc_dbe); 81297c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_unconfirmed); 81307c478bd9Sstevel@tonic-gate cp_unconfirmed = NULL; 81317c478bd9Sstevel@tonic-gate } 81327c478bd9Sstevel@tonic-gate 81337c478bd9Sstevel@tonic-gate /* 81347c478bd9Sstevel@tonic-gate * This search will temporarily hide the confirmed client 81357c478bd9Sstevel@tonic-gate * struct while a new client struct is created as the 81367c478bd9Sstevel@tonic-gate * unconfirmed one. 81377c478bd9Sstevel@tonic-gate */ 81387c478bd9Sstevel@tonic-gate create = TRUE; 81397c478bd9Sstevel@tonic-gate newcp = rfs4_findclient(&args->client, &create, cp_confirmed); 81407c478bd9Sstevel@tonic-gate 81417c478bd9Sstevel@tonic-gate ASSERT(newcp != NULL); 81427c478bd9Sstevel@tonic-gate 81437c478bd9Sstevel@tonic-gate if (newcp == NULL) { 81447c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_SERVERFAULT; 81457c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 8146f3b585ceSsamf goto out; 81477c478bd9Sstevel@tonic-gate } 81487c478bd9Sstevel@tonic-gate 81497c478bd9Sstevel@tonic-gate /* 81507c478bd9Sstevel@tonic-gate * If one was not created, then a similar request must be in 81517c478bd9Sstevel@tonic-gate * process so release and start over with this one 81527c478bd9Sstevel@tonic-gate */ 81537c478bd9Sstevel@tonic-gate if (create != TRUE) { 81547c478bd9Sstevel@tonic-gate rfs4_client_rele(newcp); 81557c478bd9Sstevel@tonic-gate if (cp_confirmed) 81567c478bd9Sstevel@tonic-gate rfs4_client_rele(cp_confirmed); 81577c478bd9Sstevel@tonic-gate goto retry; 81587c478bd9Sstevel@tonic-gate } 81597c478bd9Sstevel@tonic-gate 81607c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4_OK; 8161d216dff5SRobert Mastors res->SETCLIENTID4res_u.resok4.clientid = newcp->rc_clientid; 8162d216dff5SRobert Mastors res->SETCLIENTID4res_u.resok4.setclientid_confirm = 8163d216dff5SRobert Mastors newcp->rc_confirm_verf; 81647c478bd9Sstevel@tonic-gate /* Setup callback information; CB_NULL confirmation later */ 81651b300de9Sjwahlig rfs4_client_setcb(newcp, &args->callback, args->callback_ident); 81667c478bd9Sstevel@tonic-gate 8167d216dff5SRobert Mastors newcp->rc_cp_confirmed = cp_confirmed; 81687c478bd9Sstevel@tonic-gate 81697c478bd9Sstevel@tonic-gate rfs4_client_rele(newcp); 8170f3b585ceSsamf 8171f3b585ceSsamf out: 8172f3b585ceSsamf DTRACE_NFSV4_2(op__setclientid__done, struct compound_state *, cs, 8173f3b585ceSsamf SETCLIENTID4res *, res); 81747c478bd9Sstevel@tonic-gate } 81757c478bd9Sstevel@tonic-gate 81767c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 81777c478bd9Sstevel@tonic-gate void 81787c478bd9Sstevel@tonic-gate rfs4_op_setclientid_confirm(nfs_argop4 *argop, nfs_resop4 *resop, 81797c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 81807c478bd9Sstevel@tonic-gate { 81817c478bd9Sstevel@tonic-gate SETCLIENTID_CONFIRM4args *args = 81827c478bd9Sstevel@tonic-gate &argop->nfs_argop4_u.opsetclientid_confirm; 81837c478bd9Sstevel@tonic-gate SETCLIENTID_CONFIRM4res *res = 81847c478bd9Sstevel@tonic-gate &resop->nfs_resop4_u.opsetclientid_confirm; 81857c478bd9Sstevel@tonic-gate rfs4_client_t *cp, *cptoclose = NULL; 81867c478bd9Sstevel@tonic-gate 8187f3b585ceSsamf DTRACE_NFSV4_2(op__setclientid__confirm__start, 8188f3b585ceSsamf struct compound_state *, cs, 8189f3b585ceSsamf SETCLIENTID_CONFIRM4args *, args); 8190f3b585ceSsamf 81917c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4_OK; 81927c478bd9Sstevel@tonic-gate 81937c478bd9Sstevel@tonic-gate cp = rfs4_findclient_by_id(args->clientid, TRUE); 81947c478bd9Sstevel@tonic-gate 81957c478bd9Sstevel@tonic-gate if (cp == NULL) { 81967c478bd9Sstevel@tonic-gate *cs->statusp = res->status = 81977c478bd9Sstevel@tonic-gate rfs4_check_clientid(&args->clientid, 1); 8198f3b585ceSsamf goto out; 81997c478bd9Sstevel@tonic-gate } 82007c478bd9Sstevel@tonic-gate 82017c478bd9Sstevel@tonic-gate if (!creds_ok(cp, req, cs)) { 82027c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_CLID_INUSE; 82037c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 8204f3b585ceSsamf goto out; 82057c478bd9Sstevel@tonic-gate } 82067c478bd9Sstevel@tonic-gate 82077c478bd9Sstevel@tonic-gate /* If the verifier doesn't match, the record doesn't match */ 8208d216dff5SRobert Mastors if (cp->rc_confirm_verf != args->setclientid_confirm) { 82097c478bd9Sstevel@tonic-gate *cs->statusp = res->status = NFS4ERR_STALE_CLIENTID; 82107c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 8211f3b585ceSsamf goto out; 82127c478bd9Sstevel@tonic-gate } 82137c478bd9Sstevel@tonic-gate 8214d216dff5SRobert Mastors rfs4_dbe_lock(cp->rc_dbe); 8215d216dff5SRobert Mastors cp->rc_need_confirm = FALSE; 8216d216dff5SRobert Mastors if (cp->rc_cp_confirmed) { 8217d216dff5SRobert Mastors cptoclose = cp->rc_cp_confirmed; 8218d216dff5SRobert Mastors cptoclose->rc_ss_remove = 1; 8219d216dff5SRobert Mastors cp->rc_cp_confirmed = NULL; 82207c478bd9Sstevel@tonic-gate } 82217c478bd9Sstevel@tonic-gate 82227c478bd9Sstevel@tonic-gate /* 8223cee86682Scalum * Update the client's associated server instance, if it's changed 8224cee86682Scalum * since the client was created. 8225cee86682Scalum */ 8226cee86682Scalum if (rfs4_servinst(cp) != rfs4_cur_servinst) 8227cee86682Scalum rfs4_servinst_assign(cp, rfs4_cur_servinst); 8228cee86682Scalum 8229cee86682Scalum /* 8230cee86682Scalum * Record clientid in stable storage. 8231cee86682Scalum * Must be done after server instance has been assigned. 82327c478bd9Sstevel@tonic-gate */ 82332f172c55SRobert Thurlow rfs4_ss_clid(cp); 82347c478bd9Sstevel@tonic-gate 8235d216dff5SRobert Mastors rfs4_dbe_unlock(cp->rc_dbe); 82367c478bd9Sstevel@tonic-gate 82377c478bd9Sstevel@tonic-gate if (cptoclose) 82387c478bd9Sstevel@tonic-gate /* don't need to rele, client_close does it */ 82397c478bd9Sstevel@tonic-gate rfs4_client_close(cptoclose); 82407c478bd9Sstevel@tonic-gate 82417c478bd9Sstevel@tonic-gate /* If needed, initiate CB_NULL call for callback path */ 82427c478bd9Sstevel@tonic-gate rfs4_deleg_cb_check(cp); 82437c478bd9Sstevel@tonic-gate rfs4_update_lease(cp); 82447c478bd9Sstevel@tonic-gate 82457c478bd9Sstevel@tonic-gate /* 82467c478bd9Sstevel@tonic-gate * Check to see if client can perform reclaims 82477c478bd9Sstevel@tonic-gate */ 82487c478bd9Sstevel@tonic-gate rfs4_ss_chkclid(cp); 82497c478bd9Sstevel@tonic-gate 82507c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 8251f3b585ceSsamf 8252f3b585ceSsamf out: 8253f3b585ceSsamf DTRACE_NFSV4_2(op__setclientid__confirm__done, 8254f3b585ceSsamf struct compound_state *, cs, 8255f3b585ceSsamf SETCLIENTID_CONFIRM4 *, res); 82567c478bd9Sstevel@tonic-gate } 82577c478bd9Sstevel@tonic-gate 82587c478bd9Sstevel@tonic-gate 82597c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 82607c478bd9Sstevel@tonic-gate void 82617c478bd9Sstevel@tonic-gate rfs4_op_close(nfs_argop4 *argop, nfs_resop4 *resop, 82627c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 82637c478bd9Sstevel@tonic-gate { 82647c478bd9Sstevel@tonic-gate CLOSE4args *args = &argop->nfs_argop4_u.opclose; 82657c478bd9Sstevel@tonic-gate CLOSE4res *resp = &resop->nfs_resop4_u.opclose; 82667c478bd9Sstevel@tonic-gate rfs4_state_t *sp; 82677c478bd9Sstevel@tonic-gate nfsstat4 status; 82687c478bd9Sstevel@tonic-gate 8269f3b585ceSsamf DTRACE_NFSV4_2(op__close__start, struct compound_state *, cs, 8270f3b585ceSsamf CLOSE4args *, args); 8271f3b585ceSsamf 82727c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 82737c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 8274f3b585ceSsamf goto out; 82757c478bd9Sstevel@tonic-gate } 82767c478bd9Sstevel@tonic-gate 82777c478bd9Sstevel@tonic-gate status = rfs4_get_state(&args->open_stateid, &sp, RFS4_DBS_INVALID); 82787c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 82797c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 8280f3b585ceSsamf goto out; 82817c478bd9Sstevel@tonic-gate } 82827c478bd9Sstevel@tonic-gate 82837c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 8284d216dff5SRobert Mastors if (cs->vp != sp->rs_finfo->rf_vp) { 82857c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 82867c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 8287f3b585ceSsamf goto out; 82887c478bd9Sstevel@tonic-gate } 82897c478bd9Sstevel@tonic-gate 82907c478bd9Sstevel@tonic-gate /* hold off other access to open_owner while we tinker */ 8291d216dff5SRobert Mastors rfs4_sw_enter(&sp->rs_owner->ro_sw); 82927c478bd9Sstevel@tonic-gate 82937c478bd9Sstevel@tonic-gate switch (rfs4_check_stateid_seqid(sp, &args->open_stateid)) { 82947c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 8295d216dff5SRobert Mastors if (rfs4_check_open_seqid(args->seqid, sp->rs_owner, 82967c478bd9Sstevel@tonic-gate resop) != NFS4_CHKSEQ_OKAY) { 82977c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 82987c478bd9Sstevel@tonic-gate goto end; 82997c478bd9Sstevel@tonic-gate } 83007c478bd9Sstevel@tonic-gate break; 83017c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 83027c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 83037c478bd9Sstevel@tonic-gate goto end; 83047c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 83057c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 83067c478bd9Sstevel@tonic-gate goto end; 83077c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 83087c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 83097c478bd9Sstevel@tonic-gate goto end; 83107c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 83117c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 83127c478bd9Sstevel@tonic-gate goto end; 83137c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_UNCONFIRMED: 83147c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 83157c478bd9Sstevel@tonic-gate goto end; 83167c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 83177c478bd9Sstevel@tonic-gate /* Check the sequence id for the open owner */ 8318d216dff5SRobert Mastors switch (rfs4_check_open_seqid(args->seqid, sp->rs_owner, 8319d216dff5SRobert Mastors resop)) { 83207c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 83217c478bd9Sstevel@tonic-gate /* 83227c478bd9Sstevel@tonic-gate * This is replayed stateid; if seqid matches 83237c478bd9Sstevel@tonic-gate * next expected, then client is using wrong seqid. 83247c478bd9Sstevel@tonic-gate */ 83257c478bd9Sstevel@tonic-gate /* FALL THROUGH */ 83267c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 83277c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 83287c478bd9Sstevel@tonic-gate goto end; 83297c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 83307c478bd9Sstevel@tonic-gate /* 83317c478bd9Sstevel@tonic-gate * Note this case is the duplicate case so 83327c478bd9Sstevel@tonic-gate * resp->status is already set. 83337c478bd9Sstevel@tonic-gate */ 83347c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 8335d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 83367c478bd9Sstevel@tonic-gate goto end; 83377c478bd9Sstevel@tonic-gate } 83387c478bd9Sstevel@tonic-gate break; 83397c478bd9Sstevel@tonic-gate default: 83407c478bd9Sstevel@tonic-gate ASSERT(FALSE); 83417c478bd9Sstevel@tonic-gate break; 83427c478bd9Sstevel@tonic-gate } 83437c478bd9Sstevel@tonic-gate 8344d216dff5SRobert Mastors rfs4_dbe_lock(sp->rs_dbe); 83457c478bd9Sstevel@tonic-gate 83467c478bd9Sstevel@tonic-gate /* Update the stateid. */ 8347d216dff5SRobert Mastors next_stateid(&sp->rs_stateid); 8348d216dff5SRobert Mastors resp->open_stateid = sp->rs_stateid.stateid; 83497c478bd9Sstevel@tonic-gate 8350d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 83517c478bd9Sstevel@tonic-gate 8352d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 8353d216dff5SRobert Mastors rfs4_update_open_sequence(sp->rs_owner); 8354d216dff5SRobert Mastors rfs4_update_open_resp(sp->rs_owner, resop, NULL); 83557c478bd9Sstevel@tonic-gate 83567c478bd9Sstevel@tonic-gate rfs4_state_close(sp, FALSE, FALSE, cs->cr); 83577c478bd9Sstevel@tonic-gate 83587c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 83597c478bd9Sstevel@tonic-gate 83607c478bd9Sstevel@tonic-gate end: 8361d216dff5SRobert Mastors rfs4_sw_exit(&sp->rs_owner->ro_sw); 83627c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 8363f3b585ceSsamf out: 8364f3b585ceSsamf DTRACE_NFSV4_2(op__close__done, struct compound_state *, cs, 8365f3b585ceSsamf CLOSE4res *, resp); 83667c478bd9Sstevel@tonic-gate } 83677c478bd9Sstevel@tonic-gate 83687c478bd9Sstevel@tonic-gate /* 83697c478bd9Sstevel@tonic-gate * Manage the counts on the file struct and close all file locks 83707c478bd9Sstevel@tonic-gate */ 83717c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 83727c478bd9Sstevel@tonic-gate void 83737c478bd9Sstevel@tonic-gate rfs4_release_share_lock_state(rfs4_state_t *sp, cred_t *cr, 83747c478bd9Sstevel@tonic-gate bool_t close_of_client) 83757c478bd9Sstevel@tonic-gate { 8376d216dff5SRobert Mastors rfs4_file_t *fp = sp->rs_finfo; 83777c478bd9Sstevel@tonic-gate rfs4_lo_state_t *lsp; 8378d216dff5SRobert Mastors int fflags = 0; 83797c478bd9Sstevel@tonic-gate 83807c478bd9Sstevel@tonic-gate /* 83817c478bd9Sstevel@tonic-gate * If this call is part of the larger closing down of client 83827c478bd9Sstevel@tonic-gate * state then it is just easier to release all locks 83837c478bd9Sstevel@tonic-gate * associated with this client instead of going through each 83847c478bd9Sstevel@tonic-gate * individual file and cleaning locks there. 83857c478bd9Sstevel@tonic-gate */ 83867c478bd9Sstevel@tonic-gate if (close_of_client) { 8387d216dff5SRobert Mastors if (sp->rs_owner->ro_client->rc_unlksys_completed == FALSE && 8388d216dff5SRobert Mastors !list_is_empty(&sp->rs_lostatelist) && 8389d216dff5SRobert Mastors sp->rs_owner->ro_client->rc_sysidt != LM_NOSYSID) { 83907c478bd9Sstevel@tonic-gate /* Is the PxFS kernel module loaded? */ 83917c478bd9Sstevel@tonic-gate if (lm_remove_file_locks != NULL) { 83927c478bd9Sstevel@tonic-gate int new_sysid; 83937c478bd9Sstevel@tonic-gate 83947c478bd9Sstevel@tonic-gate /* Encode the cluster nodeid in new sysid */ 8395d216dff5SRobert Mastors new_sysid = sp->rs_owner->ro_client->rc_sysidt; 83967c478bd9Sstevel@tonic-gate lm_set_nlmid_flk(&new_sysid); 83977c478bd9Sstevel@tonic-gate 83987c478bd9Sstevel@tonic-gate /* 83997c478bd9Sstevel@tonic-gate * This PxFS routine removes file locks for a 84007c478bd9Sstevel@tonic-gate * client over all nodes of a cluster. 84017c478bd9Sstevel@tonic-gate */ 84027c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, (CE_NOTE, 84037c478bd9Sstevel@tonic-gate "lm_remove_file_locks(sysid=0x%x)\n", 84047c478bd9Sstevel@tonic-gate new_sysid)); 84057c478bd9Sstevel@tonic-gate (*lm_remove_file_locks)(new_sysid); 84067c478bd9Sstevel@tonic-gate } else { 84077c478bd9Sstevel@tonic-gate struct flock64 flk; 84087c478bd9Sstevel@tonic-gate 84097c478bd9Sstevel@tonic-gate /* Release all locks for this client */ 84107c478bd9Sstevel@tonic-gate flk.l_type = F_UNLKSYS; 84117c478bd9Sstevel@tonic-gate flk.l_whence = 0; 84127c478bd9Sstevel@tonic-gate flk.l_start = 0; 84137c478bd9Sstevel@tonic-gate flk.l_len = 0; 8414d216dff5SRobert Mastors flk.l_sysid = 8415d216dff5SRobert Mastors sp->rs_owner->ro_client->rc_sysidt; 84167c478bd9Sstevel@tonic-gate flk.l_pid = 0; 8417d216dff5SRobert Mastors (void) VOP_FRLOCK(sp->rs_finfo->rf_vp, F_SETLK, 8418d216dff5SRobert Mastors &flk, F_REMOTELOCK | FREAD | FWRITE, 8419da6c28aaSamw (u_offset_t)0, NULL, CRED(), NULL); 84207c478bd9Sstevel@tonic-gate } 84217c478bd9Sstevel@tonic-gate 8422d216dff5SRobert Mastors sp->rs_owner->ro_client->rc_unlksys_completed = TRUE; 84237c478bd9Sstevel@tonic-gate } 84247c478bd9Sstevel@tonic-gate } 84257c478bd9Sstevel@tonic-gate 84267c478bd9Sstevel@tonic-gate /* 84277c478bd9Sstevel@tonic-gate * Release all locks on this file by this lock owner or at 84287c478bd9Sstevel@tonic-gate * least mark the locks as having been released 84297c478bd9Sstevel@tonic-gate */ 8430d216dff5SRobert Mastors for (lsp = list_head(&sp->rs_lostatelist); lsp != NULL; 8431d216dff5SRobert Mastors lsp = list_next(&sp->rs_lostatelist, lsp)) { 8432d216dff5SRobert Mastors lsp->rls_locks_cleaned = TRUE; 84337c478bd9Sstevel@tonic-gate 84347c478bd9Sstevel@tonic-gate /* Was this already taken care of above? */ 84357c478bd9Sstevel@tonic-gate if (!close_of_client && 8436d216dff5SRobert Mastors sp->rs_owner->ro_client->rc_sysidt != LM_NOSYSID) 8437d216dff5SRobert Mastors (void) cleanlocks(sp->rs_finfo->rf_vp, 8438d216dff5SRobert Mastors lsp->rls_locker->rl_pid, 8439d216dff5SRobert Mastors lsp->rls_locker->rl_client->rc_sysidt); 84407c478bd9Sstevel@tonic-gate } 84417c478bd9Sstevel@tonic-gate 84427c478bd9Sstevel@tonic-gate /* 84437c478bd9Sstevel@tonic-gate * Release any shrlocks associated with this open state ID. 84447c478bd9Sstevel@tonic-gate * This must be done before the rfs4_state gets marked closed. 84457c478bd9Sstevel@tonic-gate */ 8446d216dff5SRobert Mastors if (sp->rs_owner->ro_client->rc_sysidt != LM_NOSYSID) 8447d216dff5SRobert Mastors (void) rfs4_unshare(sp); 8448da6c28aaSamw 844950956b22SJames Wahlig if (sp->rs_open_access) { 845050956b22SJames Wahlig rfs4_dbe_lock(fp->rf_dbe); 845150956b22SJames Wahlig 845214f41b92SRobert Mastors /* 845314f41b92SRobert Mastors * Decrement the count for each access and deny bit that this 845414f41b92SRobert Mastors * state has contributed to the file. 845514f41b92SRobert Mastors * If the file counts go to zero 845614f41b92SRobert Mastors * clear the appropriate bit in the appropriate mask. 845714f41b92SRobert Mastors */ 845850956b22SJames Wahlig if (sp->rs_open_access & OPEN4_SHARE_ACCESS_READ) { 845914f41b92SRobert Mastors fp->rf_access_read--; 846014f41b92SRobert Mastors fflags |= FREAD; 846114f41b92SRobert Mastors if (fp->rf_access_read == 0) 846214f41b92SRobert Mastors fp->rf_share_access &= ~OPEN4_SHARE_ACCESS_READ; 846314f41b92SRobert Mastors } 846450956b22SJames Wahlig if (sp->rs_open_access & OPEN4_SHARE_ACCESS_WRITE) { 846514f41b92SRobert Mastors fp->rf_access_write--; 846614f41b92SRobert Mastors fflags |= FWRITE; 846714f41b92SRobert Mastors if (fp->rf_access_write == 0) 846814f41b92SRobert Mastors fp->rf_share_access &= 846914f41b92SRobert Mastors ~OPEN4_SHARE_ACCESS_WRITE; 847014f41b92SRobert Mastors } 847150956b22SJames Wahlig if (sp->rs_open_deny & OPEN4_SHARE_DENY_READ) { 847214f41b92SRobert Mastors fp->rf_deny_read--; 847314f41b92SRobert Mastors if (fp->rf_deny_read == 0) 847414f41b92SRobert Mastors fp->rf_share_deny &= ~OPEN4_SHARE_DENY_READ; 847514f41b92SRobert Mastors } 847650956b22SJames Wahlig if (sp->rs_open_deny & OPEN4_SHARE_DENY_WRITE) { 847714f41b92SRobert Mastors fp->rf_deny_write--; 847814f41b92SRobert Mastors if (fp->rf_deny_write == 0) 847914f41b92SRobert Mastors fp->rf_share_deny &= ~OPEN4_SHARE_DENY_WRITE; 848014f41b92SRobert Mastors } 848114f41b92SRobert Mastors 8482d216dff5SRobert Mastors (void) VOP_CLOSE(fp->rf_vp, fflags, 1, (offset_t)0, cr, NULL); 848314f41b92SRobert Mastors 848450956b22SJames Wahlig rfs4_dbe_unlock(fp->rf_dbe); 848550956b22SJames Wahlig 848650956b22SJames Wahlig sp->rs_open_access = 0; 848750956b22SJames Wahlig sp->rs_open_deny = 0; 848814f41b92SRobert Mastors } 84897c478bd9Sstevel@tonic-gate } 84907c478bd9Sstevel@tonic-gate 84917c478bd9Sstevel@tonic-gate /* 84927c478bd9Sstevel@tonic-gate * lock_denied: Fill in a LOCK4deneid structure given an flock64 structure. 84937c478bd9Sstevel@tonic-gate */ 84947c478bd9Sstevel@tonic-gate static nfsstat4 84957c478bd9Sstevel@tonic-gate lock_denied(LOCK4denied *dp, struct flock64 *flk) 84967c478bd9Sstevel@tonic-gate { 84977c478bd9Sstevel@tonic-gate rfs4_lockowner_t *lo; 84987c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 84997c478bd9Sstevel@tonic-gate uint32_t len; 85007c478bd9Sstevel@tonic-gate 85017c478bd9Sstevel@tonic-gate lo = rfs4_findlockowner_by_pid(flk->l_pid); 85027c478bd9Sstevel@tonic-gate if (lo != NULL) { 8503d216dff5SRobert Mastors cp = lo->rl_client; 85047c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 85057c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 8506d216dff5SRobert Mastors rfs4_dbe_hold(cp->rc_dbe); 85077c478bd9Sstevel@tonic-gate rfs4_client_close(cp); 85087c478bd9Sstevel@tonic-gate return (NFS4ERR_EXPIRED); 85097c478bd9Sstevel@tonic-gate } 8510d216dff5SRobert Mastors dp->owner.clientid = lo->rl_owner.clientid; 8511d216dff5SRobert Mastors len = lo->rl_owner.owner_len; 85127c478bd9Sstevel@tonic-gate dp->owner.owner_val = kmem_alloc(len, KM_SLEEP); 8513d216dff5SRobert Mastors bcopy(lo->rl_owner.owner_val, dp->owner.owner_val, len); 85147c478bd9Sstevel@tonic-gate dp->owner.owner_len = len; 85157c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 85167c478bd9Sstevel@tonic-gate goto finish; 85177c478bd9Sstevel@tonic-gate } 85187c478bd9Sstevel@tonic-gate 85197c478bd9Sstevel@tonic-gate /* 85207c478bd9Sstevel@tonic-gate * Its not a NFS4 lock. We take advantage that the upper 32 bits 85217c478bd9Sstevel@tonic-gate * of the client id contain the boot time for a NFS4 lock. So we 85227c478bd9Sstevel@tonic-gate * fabricate and identity by setting clientid to the sysid, and 85237c478bd9Sstevel@tonic-gate * the lock owner to the pid. 85247c478bd9Sstevel@tonic-gate */ 85257c478bd9Sstevel@tonic-gate dp->owner.clientid = flk->l_sysid; 85267c478bd9Sstevel@tonic-gate len = sizeof (pid_t); 85277c478bd9Sstevel@tonic-gate dp->owner.owner_len = len; 85287c478bd9Sstevel@tonic-gate dp->owner.owner_val = kmem_alloc(len, KM_SLEEP); 85297c478bd9Sstevel@tonic-gate bcopy(&flk->l_pid, dp->owner.owner_val, len); 85307c478bd9Sstevel@tonic-gate finish: 85317c478bd9Sstevel@tonic-gate dp->offset = flk->l_start; 85327c478bd9Sstevel@tonic-gate dp->length = flk->l_len; 85337c478bd9Sstevel@tonic-gate 85347c478bd9Sstevel@tonic-gate if (flk->l_type == F_RDLCK) 85357c478bd9Sstevel@tonic-gate dp->locktype = READ_LT; 85367c478bd9Sstevel@tonic-gate else if (flk->l_type == F_WRLCK) 85377c478bd9Sstevel@tonic-gate dp->locktype = WRITE_LT; 85387c478bd9Sstevel@tonic-gate else 85397c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); /* no mapping from POSIX ltype to v4 */ 85407c478bd9Sstevel@tonic-gate 85417c478bd9Sstevel@tonic-gate return (NFS4_OK); 85427c478bd9Sstevel@tonic-gate } 85437c478bd9Sstevel@tonic-gate 85447c478bd9Sstevel@tonic-gate static int 85457c478bd9Sstevel@tonic-gate setlock(vnode_t *vp, struct flock64 *flock, int flag, cred_t *cred) 85467c478bd9Sstevel@tonic-gate { 85477c478bd9Sstevel@tonic-gate int error; 85487c478bd9Sstevel@tonic-gate struct flock64 flk; 85497c478bd9Sstevel@tonic-gate int i; 85507c478bd9Sstevel@tonic-gate clock_t delaytime; 8551da6c28aaSamw int cmd; 85527c478bd9Sstevel@tonic-gate 8553da6c28aaSamw cmd = nbl_need_check(vp) ? F_SETLK_NBMAND : F_SETLK; 85547c478bd9Sstevel@tonic-gate retry: 85557c478bd9Sstevel@tonic-gate delaytime = MSEC_TO_TICK_ROUNDUP(rfs4_lock_delay); 85567c478bd9Sstevel@tonic-gate 85577c478bd9Sstevel@tonic-gate for (i = 0; i < rfs4_maxlock_tries; i++) { 8558da6c28aaSamw LOCK_PRINT(rfs4_debug, "setlock", cmd, flock); 8559da6c28aaSamw error = VOP_FRLOCK(vp, cmd, 8560da6c28aaSamw flock, flag, (u_offset_t)0, NULL, cred, NULL); 85617c478bd9Sstevel@tonic-gate 85627c478bd9Sstevel@tonic-gate if (error != EAGAIN && error != EACCES) 85637c478bd9Sstevel@tonic-gate break; 85647c478bd9Sstevel@tonic-gate 85657c478bd9Sstevel@tonic-gate if (i < rfs4_maxlock_tries - 1) { 85667c478bd9Sstevel@tonic-gate delay(delaytime); 85677c478bd9Sstevel@tonic-gate delaytime *= 2; 85687c478bd9Sstevel@tonic-gate } 85697c478bd9Sstevel@tonic-gate } 85707c478bd9Sstevel@tonic-gate 85717c478bd9Sstevel@tonic-gate if (error == EAGAIN || error == EACCES) { 85727c478bd9Sstevel@tonic-gate /* Get the owner of the lock */ 85737c478bd9Sstevel@tonic-gate flk = *flock; 85747c478bd9Sstevel@tonic-gate LOCK_PRINT(rfs4_debug, "setlock", F_GETLK, &flk); 8575da6c28aaSamw if (VOP_FRLOCK(vp, F_GETLK, &flk, flag, 8576da6c28aaSamw (u_offset_t)0, NULL, cred, NULL) == 0) { 85777c478bd9Sstevel@tonic-gate if (flk.l_type == F_UNLCK) { 85787c478bd9Sstevel@tonic-gate /* No longer locked, retry */ 85797c478bd9Sstevel@tonic-gate goto retry; 85807c478bd9Sstevel@tonic-gate } 85817c478bd9Sstevel@tonic-gate *flock = flk; 85827c478bd9Sstevel@tonic-gate LOCK_PRINT(rfs4_debug, "setlock(blocking lock)", 85837c478bd9Sstevel@tonic-gate F_GETLK, &flk); 85847c478bd9Sstevel@tonic-gate } 85857c478bd9Sstevel@tonic-gate } 85867c478bd9Sstevel@tonic-gate 85877c478bd9Sstevel@tonic-gate return (error); 85887c478bd9Sstevel@tonic-gate } 85897c478bd9Sstevel@tonic-gate 85907c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 85917c478bd9Sstevel@tonic-gate static nfsstat4 8592d216dff5SRobert Mastors rfs4_do_lock(rfs4_lo_state_t *lsp, nfs_lock_type4 locktype, 8593d216dff5SRobert Mastors offset4 offset, length4 length, cred_t *cred, nfs_resop4 *resop) 85947c478bd9Sstevel@tonic-gate { 85957c478bd9Sstevel@tonic-gate nfsstat4 status; 8596d216dff5SRobert Mastors rfs4_lockowner_t *lo = lsp->rls_locker; 8597d216dff5SRobert Mastors rfs4_state_t *sp = lsp->rls_state; 85987c478bd9Sstevel@tonic-gate struct flock64 flock; 85997c478bd9Sstevel@tonic-gate int16_t ltype; 86007c478bd9Sstevel@tonic-gate int flag; 86017c478bd9Sstevel@tonic-gate int error; 86027c478bd9Sstevel@tonic-gate sysid_t sysid; 86037c478bd9Sstevel@tonic-gate LOCK4res *lres; 86047c478bd9Sstevel@tonic-gate 8605d216dff5SRobert Mastors if (rfs4_lease_expired(lo->rl_client)) { 86067c478bd9Sstevel@tonic-gate return (NFS4ERR_EXPIRED); 86077c478bd9Sstevel@tonic-gate } 86087c478bd9Sstevel@tonic-gate 8609d216dff5SRobert Mastors if ((status = rfs4_client_sysid(lo->rl_client, &sysid)) != NFS4_OK) 86107c478bd9Sstevel@tonic-gate return (status); 86117c478bd9Sstevel@tonic-gate 86127c478bd9Sstevel@tonic-gate /* Check for zero length. To lock to end of file use all ones for V4 */ 86137c478bd9Sstevel@tonic-gate if (length == 0) 86147c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 86157c478bd9Sstevel@tonic-gate else if (length == (length4)(~0)) 86167c478bd9Sstevel@tonic-gate length = 0; /* Posix to end of file */ 86177c478bd9Sstevel@tonic-gate 86187c478bd9Sstevel@tonic-gate retry: 8619d216dff5SRobert Mastors rfs4_dbe_lock(sp->rs_dbe); 8620d216dff5SRobert Mastors if (sp->rs_closed) { 8621d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 8622d216dff5SRobert Mastors return (NFS4ERR_OLD_STATEID); 8623d216dff5SRobert Mastors } 86247c478bd9Sstevel@tonic-gate 86257c478bd9Sstevel@tonic-gate if (resop->resop != OP_LOCKU) { 86267c478bd9Sstevel@tonic-gate switch (locktype) { 86277c478bd9Sstevel@tonic-gate case READ_LT: 86287c478bd9Sstevel@tonic-gate case READW_LT: 8629d216dff5SRobert Mastors if ((sp->rs_share_access 86307c478bd9Sstevel@tonic-gate & OPEN4_SHARE_ACCESS_READ) == 0) { 8631d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 86327c478bd9Sstevel@tonic-gate 86337c478bd9Sstevel@tonic-gate return (NFS4ERR_OPENMODE); 86347c478bd9Sstevel@tonic-gate } 86357c478bd9Sstevel@tonic-gate ltype = F_RDLCK; 86367c478bd9Sstevel@tonic-gate break; 86377c478bd9Sstevel@tonic-gate case WRITE_LT: 86387c478bd9Sstevel@tonic-gate case WRITEW_LT: 8639d216dff5SRobert Mastors if ((sp->rs_share_access 86407c478bd9Sstevel@tonic-gate & OPEN4_SHARE_ACCESS_WRITE) == 0) { 8641d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 86427c478bd9Sstevel@tonic-gate 86437c478bd9Sstevel@tonic-gate return (NFS4ERR_OPENMODE); 86447c478bd9Sstevel@tonic-gate } 86457c478bd9Sstevel@tonic-gate ltype = F_WRLCK; 86467c478bd9Sstevel@tonic-gate break; 86477c478bd9Sstevel@tonic-gate } 86487c478bd9Sstevel@tonic-gate } else 86497c478bd9Sstevel@tonic-gate ltype = F_UNLCK; 86507c478bd9Sstevel@tonic-gate 86517c478bd9Sstevel@tonic-gate flock.l_type = ltype; 86527c478bd9Sstevel@tonic-gate flock.l_whence = 0; /* SEEK_SET */ 86537c478bd9Sstevel@tonic-gate flock.l_start = offset; 86547c478bd9Sstevel@tonic-gate flock.l_len = length; 86557c478bd9Sstevel@tonic-gate flock.l_sysid = sysid; 8656d216dff5SRobert Mastors flock.l_pid = lsp->rls_locker->rl_pid; 86577c478bd9Sstevel@tonic-gate 86587c478bd9Sstevel@tonic-gate /* Note that length4 is uint64_t but l_len and l_start are off64_t */ 86597c478bd9Sstevel@tonic-gate if (flock.l_len < 0 || flock.l_start < 0) { 8660d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 86617c478bd9Sstevel@tonic-gate return (NFS4ERR_INVAL); 86627c478bd9Sstevel@tonic-gate } 86637c478bd9Sstevel@tonic-gate 86647c478bd9Sstevel@tonic-gate /* 86657c478bd9Sstevel@tonic-gate * N.B. FREAD has the same value as OPEN4_SHARE_ACCESS_READ and 86667c478bd9Sstevel@tonic-gate * FWRITE has the same value as OPEN4_SHARE_ACCESS_WRITE. 86677c478bd9Sstevel@tonic-gate */ 8668d216dff5SRobert Mastors flag = (int)sp->rs_share_access | F_REMOTELOCK; 86697c478bd9Sstevel@tonic-gate 8670d216dff5SRobert Mastors error = setlock(sp->rs_finfo->rf_vp, &flock, flag, cred); 86717c478bd9Sstevel@tonic-gate if (error == 0) { 8672d216dff5SRobert Mastors rfs4_dbe_lock(lsp->rls_dbe); 8673d216dff5SRobert Mastors next_stateid(&lsp->rls_lockid); 8674d216dff5SRobert Mastors rfs4_dbe_unlock(lsp->rls_dbe); 86757c478bd9Sstevel@tonic-gate } 86767c478bd9Sstevel@tonic-gate 8677d216dff5SRobert Mastors rfs4_dbe_unlock(sp->rs_dbe); 86787c478bd9Sstevel@tonic-gate 86797c478bd9Sstevel@tonic-gate /* 86807c478bd9Sstevel@tonic-gate * N.B. We map error values to nfsv4 errors. This is differrent 86817c478bd9Sstevel@tonic-gate * than puterrno4 routine. 86827c478bd9Sstevel@tonic-gate */ 86837c478bd9Sstevel@tonic-gate switch (error) { 86847c478bd9Sstevel@tonic-gate case 0: 86857c478bd9Sstevel@tonic-gate status = NFS4_OK; 86867c478bd9Sstevel@tonic-gate break; 86877c478bd9Sstevel@tonic-gate case EAGAIN: 86887c478bd9Sstevel@tonic-gate case EACCES: /* Old value */ 86897c478bd9Sstevel@tonic-gate /* Can only get here if op is OP_LOCK */ 86907c478bd9Sstevel@tonic-gate ASSERT(resop->resop == OP_LOCK); 86917c478bd9Sstevel@tonic-gate lres = &resop->nfs_resop4_u.oplock; 86927c478bd9Sstevel@tonic-gate status = NFS4ERR_DENIED; 86937c478bd9Sstevel@tonic-gate if (lock_denied(&lres->LOCK4res_u.denied, &flock) 86947c478bd9Sstevel@tonic-gate == NFS4ERR_EXPIRED) 86957c478bd9Sstevel@tonic-gate goto retry; 86967c478bd9Sstevel@tonic-gate break; 86977c478bd9Sstevel@tonic-gate case ENOLCK: 86987c478bd9Sstevel@tonic-gate status = NFS4ERR_DELAY; 86997c478bd9Sstevel@tonic-gate break; 87007c478bd9Sstevel@tonic-gate case EOVERFLOW: 87017c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 87027c478bd9Sstevel@tonic-gate break; 87037c478bd9Sstevel@tonic-gate case EINVAL: 87047c478bd9Sstevel@tonic-gate status = NFS4ERR_NOTSUPP; 87057c478bd9Sstevel@tonic-gate break; 87067c478bd9Sstevel@tonic-gate default: 87077c478bd9Sstevel@tonic-gate status = NFS4ERR_SERVERFAULT; 87087c478bd9Sstevel@tonic-gate break; 87097c478bd9Sstevel@tonic-gate } 87107c478bd9Sstevel@tonic-gate 87117c478bd9Sstevel@tonic-gate return (status); 87127c478bd9Sstevel@tonic-gate } 87137c478bd9Sstevel@tonic-gate 87147c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 87157c478bd9Sstevel@tonic-gate void 87167c478bd9Sstevel@tonic-gate rfs4_op_lock(nfs_argop4 *argop, nfs_resop4 *resop, 87177c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 87187c478bd9Sstevel@tonic-gate { 87197c478bd9Sstevel@tonic-gate LOCK4args *args = &argop->nfs_argop4_u.oplock; 87207c478bd9Sstevel@tonic-gate LOCK4res *resp = &resop->nfs_resop4_u.oplock; 87217c478bd9Sstevel@tonic-gate nfsstat4 status; 87227c478bd9Sstevel@tonic-gate stateid4 *stateid; 87237c478bd9Sstevel@tonic-gate rfs4_lockowner_t *lo; 87247c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 87257c478bd9Sstevel@tonic-gate rfs4_state_t *sp = NULL; 87267c478bd9Sstevel@tonic-gate rfs4_lo_state_t *lsp = NULL; 87277c478bd9Sstevel@tonic-gate bool_t ls_sw_held = FALSE; 87287c478bd9Sstevel@tonic-gate bool_t create = TRUE; 87297c478bd9Sstevel@tonic-gate bool_t lcreate = TRUE; 87307c478bd9Sstevel@tonic-gate bool_t dup_lock = FALSE; 87317c478bd9Sstevel@tonic-gate int rc; 87327c478bd9Sstevel@tonic-gate 8733f3b585ceSsamf DTRACE_NFSV4_2(op__lock__start, struct compound_state *, cs, 8734f3b585ceSsamf LOCK4args *, args); 8735f3b585ceSsamf 87367c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 87377c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 8738f3b585ceSsamf DTRACE_NFSV4_2(op__lock__done, struct compound_state *, 8739f3b585ceSsamf cs, LOCK4res *, resp); 87407c478bd9Sstevel@tonic-gate return; 87417c478bd9Sstevel@tonic-gate } 87427c478bd9Sstevel@tonic-gate 87437c478bd9Sstevel@tonic-gate if (args->locker.new_lock_owner) { 87447c478bd9Sstevel@tonic-gate /* Create a new lockowner for this instance */ 87457c478bd9Sstevel@tonic-gate open_to_lock_owner4 *olo = &args->locker.locker4_u.open_owner; 87467c478bd9Sstevel@tonic-gate 87477c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, (CE_NOTE, "Creating new lock owner")); 87487c478bd9Sstevel@tonic-gate 87497c478bd9Sstevel@tonic-gate stateid = &olo->open_stateid; 87507c478bd9Sstevel@tonic-gate status = rfs4_get_state(stateid, &sp, RFS4_DBS_VALID); 87517c478bd9Sstevel@tonic-gate if (status != NFS4_OK) { 87527c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 87531b300de9Sjwahlig (CE_NOTE, "Get state failed in lock %d", status)); 87547c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 8755f3b585ceSsamf DTRACE_NFSV4_2(op__lock__done, struct compound_state *, 8756f3b585ceSsamf cs, LOCK4res *, resp); 87577c478bd9Sstevel@tonic-gate return; 87587c478bd9Sstevel@tonic-gate } 87597c478bd9Sstevel@tonic-gate 87607c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 8761d216dff5SRobert Mastors if (cs->vp != sp->rs_finfo->rf_vp) { 87627c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 87637c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 8764f3b585ceSsamf DTRACE_NFSV4_2(op__lock__done, struct compound_state *, 8765f3b585ceSsamf cs, LOCK4res *, resp); 87667c478bd9Sstevel@tonic-gate return; 87677c478bd9Sstevel@tonic-gate } 87687c478bd9Sstevel@tonic-gate 87697c478bd9Sstevel@tonic-gate /* hold off other access to open_owner while we tinker */ 8770d216dff5SRobert Mastors rfs4_sw_enter(&sp->rs_owner->ro_sw); 87717c478bd9Sstevel@tonic-gate 87727c478bd9Sstevel@tonic-gate switch (rc = rfs4_check_stateid_seqid(sp, stateid)) { 87737c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 87747c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 87757c478bd9Sstevel@tonic-gate goto end; 87767c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 87777c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 87787c478bd9Sstevel@tonic-gate goto end; 87797c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 87807c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 87817c478bd9Sstevel@tonic-gate goto end; 87827c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_UNCONFIRMED: 87837c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 87847c478bd9Sstevel@tonic-gate goto end; 87857c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 87867c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 87877c478bd9Sstevel@tonic-gate goto end; 87887c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 87897c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 87907c478bd9Sstevel@tonic-gate switch (rfs4_check_olo_seqid(olo->open_seqid, 8791d216dff5SRobert Mastors sp->rs_owner, resop)) { 87927c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 87937c478bd9Sstevel@tonic-gate if (rc == NFS4_CHECK_STATEID_OKAY) 87947c478bd9Sstevel@tonic-gate break; 87957c478bd9Sstevel@tonic-gate /* 87967c478bd9Sstevel@tonic-gate * This is replayed stateid; if seqid 87977c478bd9Sstevel@tonic-gate * matches next expected, then client 87987c478bd9Sstevel@tonic-gate * is using wrong seqid. 87997c478bd9Sstevel@tonic-gate */ 88007c478bd9Sstevel@tonic-gate /* FALLTHROUGH */ 88017c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 88021b300de9Sjwahlig *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 88037c478bd9Sstevel@tonic-gate goto end; 88047c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 88057c478bd9Sstevel@tonic-gate /* This is a duplicate LOCK request */ 88067c478bd9Sstevel@tonic-gate dup_lock = TRUE; 88077c478bd9Sstevel@tonic-gate 88087c478bd9Sstevel@tonic-gate /* 88097c478bd9Sstevel@tonic-gate * For a duplicate we do not want to 88107c478bd9Sstevel@tonic-gate * create a new lockowner as it should 88117c478bd9Sstevel@tonic-gate * already exist. 88127c478bd9Sstevel@tonic-gate * Turn off the lockowner create flag. 88137c478bd9Sstevel@tonic-gate */ 88147c478bd9Sstevel@tonic-gate lcreate = FALSE; 88157c478bd9Sstevel@tonic-gate } 88167c478bd9Sstevel@tonic-gate break; 88177c478bd9Sstevel@tonic-gate } 88187c478bd9Sstevel@tonic-gate 88197c478bd9Sstevel@tonic-gate lo = rfs4_findlockowner(&olo->lock_owner, &lcreate); 88207c478bd9Sstevel@tonic-gate if (lo == NULL) { 88217c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 88227c478bd9Sstevel@tonic-gate (CE_NOTE, "rfs4_op_lock: no lock owner")); 88237c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_RESOURCE; 88247c478bd9Sstevel@tonic-gate goto end; 88257c478bd9Sstevel@tonic-gate } 88267c478bd9Sstevel@tonic-gate 88277c478bd9Sstevel@tonic-gate lsp = rfs4_findlo_state_by_owner(lo, sp, &create); 88287c478bd9Sstevel@tonic-gate if (lsp == NULL) { 8829d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 88307c478bd9Sstevel@tonic-gate /* 88317c478bd9Sstevel@tonic-gate * Only update theh open_seqid if this is not 88327c478bd9Sstevel@tonic-gate * a duplicate request 88337c478bd9Sstevel@tonic-gate */ 88347c478bd9Sstevel@tonic-gate if (dup_lock == FALSE) { 8835d216dff5SRobert Mastors rfs4_update_open_sequence(sp->rs_owner); 88367c478bd9Sstevel@tonic-gate } 88377c478bd9Sstevel@tonic-gate 88387c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 88397c478bd9Sstevel@tonic-gate (CE_NOTE, "rfs4_op_lock: no state")); 88407c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_SERVERFAULT; 8841d216dff5SRobert Mastors rfs4_update_open_resp(sp->rs_owner, resop, NULL); 88427c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 88437c478bd9Sstevel@tonic-gate goto end; 88447c478bd9Sstevel@tonic-gate } 88457c478bd9Sstevel@tonic-gate 88467c478bd9Sstevel@tonic-gate /* 88477c478bd9Sstevel@tonic-gate * This is the new_lock_owner branch and the client is 88487c478bd9Sstevel@tonic-gate * supposed to be associating a new lock_owner with 88497c478bd9Sstevel@tonic-gate * the open file at this point. If we find that a 88507c478bd9Sstevel@tonic-gate * lock_owner/state association already exists and a 88517c478bd9Sstevel@tonic-gate * successful LOCK request was returned to the client, 88527c478bd9Sstevel@tonic-gate * an error is returned to the client since this is 88537c478bd9Sstevel@tonic-gate * not appropriate. The client should be using the 88547c478bd9Sstevel@tonic-gate * existing lock_owner branch. 88557c478bd9Sstevel@tonic-gate */ 88567c478bd9Sstevel@tonic-gate if (dup_lock == FALSE && create == FALSE) { 8857d216dff5SRobert Mastors if (lsp->rls_lock_completed == TRUE) { 88587c478bd9Sstevel@tonic-gate *cs->statusp = 88597c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_BAD_SEQID; 88607c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 88617c478bd9Sstevel@tonic-gate goto end; 88627c478bd9Sstevel@tonic-gate } 88637c478bd9Sstevel@tonic-gate } 88647c478bd9Sstevel@tonic-gate 8865d216dff5SRobert Mastors rfs4_update_lease(sp->rs_owner->ro_client); 88667c478bd9Sstevel@tonic-gate 88677c478bd9Sstevel@tonic-gate /* 88687c478bd9Sstevel@tonic-gate * Only update theh open_seqid if this is not 88697c478bd9Sstevel@tonic-gate * a duplicate request 88707c478bd9Sstevel@tonic-gate */ 88717c478bd9Sstevel@tonic-gate if (dup_lock == FALSE) { 8872d216dff5SRobert Mastors rfs4_update_open_sequence(sp->rs_owner); 88737c478bd9Sstevel@tonic-gate } 88747c478bd9Sstevel@tonic-gate 88757c478bd9Sstevel@tonic-gate /* 88767c478bd9Sstevel@tonic-gate * If this is a duplicate lock request, just copy the 88777c478bd9Sstevel@tonic-gate * previously saved reply and return. 88787c478bd9Sstevel@tonic-gate */ 88797c478bd9Sstevel@tonic-gate if (dup_lock == TRUE) { 88807c478bd9Sstevel@tonic-gate /* verify that lock_seqid's match */ 8881d216dff5SRobert Mastors if (lsp->rls_seqid != olo->lock_seqid) { 88827c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 88837c478bd9Sstevel@tonic-gate (CE_NOTE, "rfs4_op_lock: Dup-Lock seqid bad" 88847c478bd9Sstevel@tonic-gate "lsp->seqid=%d old->seqid=%d", 8885d216dff5SRobert Mastors lsp->rls_seqid, olo->lock_seqid)); 88867c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 88877c478bd9Sstevel@tonic-gate } else { 8888d216dff5SRobert Mastors rfs4_copy_reply(resop, &lsp->rls_reply); 88897c478bd9Sstevel@tonic-gate /* 88907c478bd9Sstevel@tonic-gate * Make sure to copy the just 88917c478bd9Sstevel@tonic-gate * retrieved reply status into the 88927c478bd9Sstevel@tonic-gate * overall compound status 88937c478bd9Sstevel@tonic-gate */ 88947c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 88957c478bd9Sstevel@tonic-gate } 88967c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 88977c478bd9Sstevel@tonic-gate goto end; 88987c478bd9Sstevel@tonic-gate } 88997c478bd9Sstevel@tonic-gate 8900d216dff5SRobert Mastors rfs4_dbe_lock(lsp->rls_dbe); 89017c478bd9Sstevel@tonic-gate 89027c478bd9Sstevel@tonic-gate /* Make sure to update the lock sequence id */ 8903d216dff5SRobert Mastors lsp->rls_seqid = olo->lock_seqid; 89047c478bd9Sstevel@tonic-gate 89057c478bd9Sstevel@tonic-gate NFS4_DEBUG(rfs4_debug, 8906d216dff5SRobert Mastors (CE_NOTE, "Lock seqid established as %d", lsp->rls_seqid)); 89077c478bd9Sstevel@tonic-gate 89087c478bd9Sstevel@tonic-gate /* 89097c478bd9Sstevel@tonic-gate * This is used to signify the newly created lockowner 89107c478bd9Sstevel@tonic-gate * stateid and its sequence number. The checks for 89117c478bd9Sstevel@tonic-gate * sequence number and increment don't occur on the 89127c478bd9Sstevel@tonic-gate * very first lock request for a lockowner. 89137c478bd9Sstevel@tonic-gate */ 8914d216dff5SRobert Mastors lsp->rls_skip_seqid_check = TRUE; 89157c478bd9Sstevel@tonic-gate 89167c478bd9Sstevel@tonic-gate /* hold off other access to lsp while we tinker */ 8917d216dff5SRobert Mastors rfs4_sw_enter(&lsp->rls_sw); 89187c478bd9Sstevel@tonic-gate ls_sw_held = TRUE; 89197c478bd9Sstevel@tonic-gate 8920d216dff5SRobert Mastors rfs4_dbe_unlock(lsp->rls_dbe); 89217c478bd9Sstevel@tonic-gate 89227c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 89237c478bd9Sstevel@tonic-gate } else { 89247c478bd9Sstevel@tonic-gate stateid = &args->locker.locker4_u.lock_owner.lock_stateid; 89257c478bd9Sstevel@tonic-gate /* get lsp and hold the lock on the underlying file struct */ 89267c478bd9Sstevel@tonic-gate if ((status = rfs4_get_lo_state(stateid, &lsp, TRUE)) 89277c478bd9Sstevel@tonic-gate != NFS4_OK) { 89287c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 8929f3b585ceSsamf DTRACE_NFSV4_2(op__lock__done, struct compound_state *, 8930f3b585ceSsamf cs, LOCK4res *, resp); 89317c478bd9Sstevel@tonic-gate return; 89327c478bd9Sstevel@tonic-gate } 89337c478bd9Sstevel@tonic-gate create = FALSE; /* We didn't create lsp */ 89347c478bd9Sstevel@tonic-gate 89357c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 8936d216dff5SRobert Mastors if (cs->vp != lsp->rls_state->rs_finfo->rf_vp) { 89377c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, TRUE); 89387c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 8939f3b585ceSsamf DTRACE_NFSV4_2(op__lock__done, struct compound_state *, 8940f3b585ceSsamf cs, LOCK4res *, resp); 89417c478bd9Sstevel@tonic-gate return; 89427c478bd9Sstevel@tonic-gate } 89437c478bd9Sstevel@tonic-gate 89447c478bd9Sstevel@tonic-gate /* hold off other access to lsp while we tinker */ 8945d216dff5SRobert Mastors rfs4_sw_enter(&lsp->rls_sw); 89467c478bd9Sstevel@tonic-gate ls_sw_held = TRUE; 89477c478bd9Sstevel@tonic-gate 89487c478bd9Sstevel@tonic-gate switch (rfs4_check_lo_stateid_seqid(lsp, stateid)) { 89497c478bd9Sstevel@tonic-gate /* 89507c478bd9Sstevel@tonic-gate * The stateid looks like it was okay (expected to be 89517c478bd9Sstevel@tonic-gate * the next one) 89527c478bd9Sstevel@tonic-gate */ 89537c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 89547c478bd9Sstevel@tonic-gate /* 89557c478bd9Sstevel@tonic-gate * The sequence id is now checked. Determine 89567c478bd9Sstevel@tonic-gate * if this is a replay or if it is in the 89577c478bd9Sstevel@tonic-gate * expected (next) sequence. In the case of a 89587c478bd9Sstevel@tonic-gate * replay, there are two replay conditions 89597c478bd9Sstevel@tonic-gate * that may occur. The first is the normal 89607c478bd9Sstevel@tonic-gate * condition where a LOCK is done with a 89617c478bd9Sstevel@tonic-gate * NFS4_OK response and the stateid is 89627c478bd9Sstevel@tonic-gate * updated. That case is handled below when 89637c478bd9Sstevel@tonic-gate * the stateid is identified as a REPLAY. The 89647c478bd9Sstevel@tonic-gate * second is the case where an error is 89657c478bd9Sstevel@tonic-gate * returned, like NFS4ERR_DENIED, and the 89667c478bd9Sstevel@tonic-gate * sequence number is updated but the stateid 89677c478bd9Sstevel@tonic-gate * is not updated. This second case is dealt 89687c478bd9Sstevel@tonic-gate * with here. So it may seem odd that the 89697c478bd9Sstevel@tonic-gate * stateid is okay but the sequence id is a 89707c478bd9Sstevel@tonic-gate * replay but it is okay. 89717c478bd9Sstevel@tonic-gate */ 89727c478bd9Sstevel@tonic-gate switch (rfs4_check_lock_seqid( 89737c478bd9Sstevel@tonic-gate args->locker.locker4_u.lock_owner.lock_seqid, 89747c478bd9Sstevel@tonic-gate lsp, resop)) { 89757c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 89767c478bd9Sstevel@tonic-gate if (resp->status != NFS4_OK) { 89777c478bd9Sstevel@tonic-gate /* 89787c478bd9Sstevel@tonic-gate * Here is our replay and need 89797c478bd9Sstevel@tonic-gate * to verify that the last 89807c478bd9Sstevel@tonic-gate * response was an error. 89817c478bd9Sstevel@tonic-gate */ 89827c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 89837c478bd9Sstevel@tonic-gate goto end; 89847c478bd9Sstevel@tonic-gate } 89857c478bd9Sstevel@tonic-gate /* 89867c478bd9Sstevel@tonic-gate * This is done since the sequence id 89877c478bd9Sstevel@tonic-gate * looked like a replay but it didn't 89887c478bd9Sstevel@tonic-gate * pass our check so a BAD_SEQID is 89897c478bd9Sstevel@tonic-gate * returned as a result. 89907c478bd9Sstevel@tonic-gate */ 89917c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 89927c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 89931b300de9Sjwahlig *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 89947c478bd9Sstevel@tonic-gate goto end; 89957c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 89967c478bd9Sstevel@tonic-gate /* Everything looks okay move ahead */ 89977c478bd9Sstevel@tonic-gate break; 89987c478bd9Sstevel@tonic-gate } 89997c478bd9Sstevel@tonic-gate break; 90007c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 90017c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 90027c478bd9Sstevel@tonic-gate goto end; 90037c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 90047c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 90057c478bd9Sstevel@tonic-gate goto end; 90067c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 90077c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 90087c478bd9Sstevel@tonic-gate goto end; 90097c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 90107c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 90117c478bd9Sstevel@tonic-gate goto end; 90127c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 90137c478bd9Sstevel@tonic-gate switch (rfs4_check_lock_seqid( 90147c478bd9Sstevel@tonic-gate args->locker.locker4_u.lock_owner.lock_seqid, 90157c478bd9Sstevel@tonic-gate lsp, resop)) { 90167c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 90177c478bd9Sstevel@tonic-gate /* 90187c478bd9Sstevel@tonic-gate * This is a replayed stateid; if 90197c478bd9Sstevel@tonic-gate * seqid matches the next expected, 90207c478bd9Sstevel@tonic-gate * then client is using wrong seqid. 90217c478bd9Sstevel@tonic-gate */ 90227c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 90231b300de9Sjwahlig *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 90247c478bd9Sstevel@tonic-gate goto end; 90257c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 9026d216dff5SRobert Mastors rfs4_update_lease(lsp->rls_locker->rl_client); 90277c478bd9Sstevel@tonic-gate *cs->statusp = status = resp->status; 90287c478bd9Sstevel@tonic-gate goto end; 90297c478bd9Sstevel@tonic-gate } 90307c478bd9Sstevel@tonic-gate break; 90317c478bd9Sstevel@tonic-gate default: 90327c478bd9Sstevel@tonic-gate ASSERT(FALSE); 90337c478bd9Sstevel@tonic-gate break; 90347c478bd9Sstevel@tonic-gate } 90357c478bd9Sstevel@tonic-gate 90367c478bd9Sstevel@tonic-gate rfs4_update_lock_sequence(lsp); 9037d216dff5SRobert Mastors rfs4_update_lease(lsp->rls_locker->rl_client); 90387c478bd9Sstevel@tonic-gate } 90397c478bd9Sstevel@tonic-gate 90407c478bd9Sstevel@tonic-gate /* 90417c478bd9Sstevel@tonic-gate * NFS4 only allows locking on regular files, so 90427c478bd9Sstevel@tonic-gate * verify type of object. 90437c478bd9Sstevel@tonic-gate */ 90447c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VREG) { 90457c478bd9Sstevel@tonic-gate if (cs->vp->v_type == VDIR) 90467c478bd9Sstevel@tonic-gate status = NFS4ERR_ISDIR; 90477c478bd9Sstevel@tonic-gate else 90487c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 90497c478bd9Sstevel@tonic-gate goto out; 90507c478bd9Sstevel@tonic-gate } 90517c478bd9Sstevel@tonic-gate 9052d216dff5SRobert Mastors cp = lsp->rls_state->rs_owner->ro_client; 90537c478bd9Sstevel@tonic-gate 90547c478bd9Sstevel@tonic-gate if (rfs4_clnt_in_grace(cp) && !args->reclaim) { 90557c478bd9Sstevel@tonic-gate status = NFS4ERR_GRACE; 90567c478bd9Sstevel@tonic-gate goto out; 90577c478bd9Sstevel@tonic-gate } 90587c478bd9Sstevel@tonic-gate 9059d216dff5SRobert Mastors if (rfs4_clnt_in_grace(cp) && args->reclaim && !cp->rc_can_reclaim) { 90607c478bd9Sstevel@tonic-gate status = NFS4ERR_NO_GRACE; 90617c478bd9Sstevel@tonic-gate goto out; 90627c478bd9Sstevel@tonic-gate } 90637c478bd9Sstevel@tonic-gate 90647c478bd9Sstevel@tonic-gate if (!rfs4_clnt_in_grace(cp) && args->reclaim) { 90657c478bd9Sstevel@tonic-gate status = NFS4ERR_NO_GRACE; 90667c478bd9Sstevel@tonic-gate goto out; 90677c478bd9Sstevel@tonic-gate } 90687c478bd9Sstevel@tonic-gate 9069d216dff5SRobert Mastors if (lsp->rls_state->rs_finfo->rf_dinfo.rd_dtype == OPEN_DELEGATE_WRITE) 90707c478bd9Sstevel@tonic-gate cs->deleg = TRUE; 90717c478bd9Sstevel@tonic-gate 90727c478bd9Sstevel@tonic-gate status = rfs4_do_lock(lsp, args->locktype, 90731b300de9Sjwahlig args->offset, args->length, cs->cr, resop); 90747c478bd9Sstevel@tonic-gate 90757c478bd9Sstevel@tonic-gate out: 9076d216dff5SRobert Mastors lsp->rls_skip_seqid_check = FALSE; 90777c478bd9Sstevel@tonic-gate 90787c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 90797c478bd9Sstevel@tonic-gate 90807c478bd9Sstevel@tonic-gate if (status == NFS4_OK) { 9081d216dff5SRobert Mastors resp->LOCK4res_u.lock_stateid = lsp->rls_lockid.stateid; 9082d216dff5SRobert Mastors lsp->rls_lock_completed = TRUE; 90837c478bd9Sstevel@tonic-gate } 90847c478bd9Sstevel@tonic-gate /* 90857c478bd9Sstevel@tonic-gate * Only update the "OPEN" response here if this was a new 90867c478bd9Sstevel@tonic-gate * lock_owner 90877c478bd9Sstevel@tonic-gate */ 90887c478bd9Sstevel@tonic-gate if (sp) 9089d216dff5SRobert Mastors rfs4_update_open_resp(sp->rs_owner, resop, NULL); 90907c478bd9Sstevel@tonic-gate 90917c478bd9Sstevel@tonic-gate rfs4_update_lock_resp(lsp, resop); 90927c478bd9Sstevel@tonic-gate 90937c478bd9Sstevel@tonic-gate end: 90947c478bd9Sstevel@tonic-gate if (lsp) { 90957c478bd9Sstevel@tonic-gate if (ls_sw_held) 9096d216dff5SRobert Mastors rfs4_sw_exit(&lsp->rls_sw); 90977c478bd9Sstevel@tonic-gate /* 90987c478bd9Sstevel@tonic-gate * If an sp obtained, then the lsp does not represent 90997c478bd9Sstevel@tonic-gate * a lock on the file struct. 91007c478bd9Sstevel@tonic-gate */ 91017c478bd9Sstevel@tonic-gate if (sp != NULL) 91027c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, FALSE); 91037c478bd9Sstevel@tonic-gate else 91047c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, TRUE); 91057c478bd9Sstevel@tonic-gate } 91067c478bd9Sstevel@tonic-gate if (sp) { 9107d216dff5SRobert Mastors rfs4_sw_exit(&sp->rs_owner->ro_sw); 91087c478bd9Sstevel@tonic-gate rfs4_state_rele(sp); 91097c478bd9Sstevel@tonic-gate } 9110f3b585ceSsamf 9111f3b585ceSsamf DTRACE_NFSV4_2(op__lock__done, struct compound_state *, cs, 9112f3b585ceSsamf LOCK4res *, resp); 91137c478bd9Sstevel@tonic-gate } 91147c478bd9Sstevel@tonic-gate 91157c478bd9Sstevel@tonic-gate /* free function for LOCK/LOCKT */ 91167c478bd9Sstevel@tonic-gate static void 91177c478bd9Sstevel@tonic-gate lock_denied_free(nfs_resop4 *resop) 91187c478bd9Sstevel@tonic-gate { 91197c478bd9Sstevel@tonic-gate LOCK4denied *dp = NULL; 91207c478bd9Sstevel@tonic-gate 91217c478bd9Sstevel@tonic-gate switch (resop->resop) { 91227c478bd9Sstevel@tonic-gate case OP_LOCK: 91237c478bd9Sstevel@tonic-gate if (resop->nfs_resop4_u.oplock.status == NFS4ERR_DENIED) 91247c478bd9Sstevel@tonic-gate dp = &resop->nfs_resop4_u.oplock.LOCK4res_u.denied; 91257c478bd9Sstevel@tonic-gate break; 91267c478bd9Sstevel@tonic-gate case OP_LOCKT: 91277c478bd9Sstevel@tonic-gate if (resop->nfs_resop4_u.oplockt.status == NFS4ERR_DENIED) 91287c478bd9Sstevel@tonic-gate dp = &resop->nfs_resop4_u.oplockt.denied; 91297c478bd9Sstevel@tonic-gate break; 91307c478bd9Sstevel@tonic-gate default: 91317c478bd9Sstevel@tonic-gate break; 91327c478bd9Sstevel@tonic-gate } 91337c478bd9Sstevel@tonic-gate 91347c478bd9Sstevel@tonic-gate if (dp) 91357c478bd9Sstevel@tonic-gate kmem_free(dp->owner.owner_val, dp->owner.owner_len); 91367c478bd9Sstevel@tonic-gate } 91377c478bd9Sstevel@tonic-gate 91387c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 91397c478bd9Sstevel@tonic-gate void 91407c478bd9Sstevel@tonic-gate rfs4_op_locku(nfs_argop4 *argop, nfs_resop4 *resop, 91417c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 91427c478bd9Sstevel@tonic-gate { 91437c478bd9Sstevel@tonic-gate LOCKU4args *args = &argop->nfs_argop4_u.oplocku; 91447c478bd9Sstevel@tonic-gate LOCKU4res *resp = &resop->nfs_resop4_u.oplocku; 91457c478bd9Sstevel@tonic-gate nfsstat4 status; 91467c478bd9Sstevel@tonic-gate stateid4 *stateid = &args->lock_stateid; 91477c478bd9Sstevel@tonic-gate rfs4_lo_state_t *lsp; 91487c478bd9Sstevel@tonic-gate 9149f3b585ceSsamf DTRACE_NFSV4_2(op__locku__start, struct compound_state *, cs, 9150f3b585ceSsamf LOCKU4args *, args); 9151f3b585ceSsamf 91527c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 91537c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 9154f3b585ceSsamf DTRACE_NFSV4_2(op__locku__done, struct compound_state *, cs, 9155f3b585ceSsamf LOCKU4res *, resp); 91567c478bd9Sstevel@tonic-gate return; 91577c478bd9Sstevel@tonic-gate } 91587c478bd9Sstevel@tonic-gate 91597c478bd9Sstevel@tonic-gate if ((status = rfs4_get_lo_state(stateid, &lsp, TRUE)) != NFS4_OK) { 91607c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 9161f3b585ceSsamf DTRACE_NFSV4_2(op__locku__done, struct compound_state *, cs, 9162f3b585ceSsamf LOCKU4res *, resp); 91637c478bd9Sstevel@tonic-gate return; 91647c478bd9Sstevel@tonic-gate } 91657c478bd9Sstevel@tonic-gate 91667c478bd9Sstevel@tonic-gate /* Ensure specified filehandle matches */ 9167d216dff5SRobert Mastors if (cs->vp != lsp->rls_state->rs_finfo->rf_vp) { 91687c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, TRUE); 91697c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 9170f3b585ceSsamf DTRACE_NFSV4_2(op__locku__done, struct compound_state *, cs, 9171f3b585ceSsamf LOCKU4res *, resp); 91727c478bd9Sstevel@tonic-gate return; 91737c478bd9Sstevel@tonic-gate } 91747c478bd9Sstevel@tonic-gate 91757c478bd9Sstevel@tonic-gate /* hold off other access to lsp while we tinker */ 9176d216dff5SRobert Mastors rfs4_sw_enter(&lsp->rls_sw); 91777c478bd9Sstevel@tonic-gate 91787c478bd9Sstevel@tonic-gate switch (rfs4_check_lo_stateid_seqid(lsp, stateid)) { 91797c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OKAY: 91807c478bd9Sstevel@tonic-gate if (rfs4_check_lock_seqid(args->seqid, lsp, resop) 91817c478bd9Sstevel@tonic-gate != NFS4_CHKSEQ_OKAY) { 91827c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 91837c478bd9Sstevel@tonic-gate goto end; 91847c478bd9Sstevel@tonic-gate } 91857c478bd9Sstevel@tonic-gate break; 91867c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_OLD: 91877c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 91887c478bd9Sstevel@tonic-gate goto end; 91897c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_BAD: 91907c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_BAD_STATEID; 91917c478bd9Sstevel@tonic-gate goto end; 91927c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_EXPIRED: 91937c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_EXPIRED; 91947c478bd9Sstevel@tonic-gate goto end; 91957c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_CLOSED: 91967c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_OLD_STATEID; 91977c478bd9Sstevel@tonic-gate goto end; 91987c478bd9Sstevel@tonic-gate case NFS4_CHECK_STATEID_REPLAY: 91997c478bd9Sstevel@tonic-gate switch (rfs4_check_lock_seqid(args->seqid, lsp, resop)) { 92007c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_OKAY: 92017c478bd9Sstevel@tonic-gate /* 92027c478bd9Sstevel@tonic-gate * This is a replayed stateid; if 92037c478bd9Sstevel@tonic-gate * seqid matches the next expected, 92047c478bd9Sstevel@tonic-gate * then client is using wrong seqid. 92057c478bd9Sstevel@tonic-gate */ 92067c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_BAD: 92071b300de9Sjwahlig *cs->statusp = resp->status = NFS4ERR_BAD_SEQID; 92087c478bd9Sstevel@tonic-gate goto end; 92097c478bd9Sstevel@tonic-gate case NFS4_CHKSEQ_REPLAY: 9210d216dff5SRobert Mastors rfs4_update_lease(lsp->rls_locker->rl_client); 92117c478bd9Sstevel@tonic-gate *cs->statusp = status = resp->status; 92127c478bd9Sstevel@tonic-gate goto end; 92137c478bd9Sstevel@tonic-gate } 92147c478bd9Sstevel@tonic-gate break; 92157c478bd9Sstevel@tonic-gate default: 92167c478bd9Sstevel@tonic-gate ASSERT(FALSE); 92177c478bd9Sstevel@tonic-gate break; 92187c478bd9Sstevel@tonic-gate } 92197c478bd9Sstevel@tonic-gate 92207c478bd9Sstevel@tonic-gate rfs4_update_lock_sequence(lsp); 9221d216dff5SRobert Mastors rfs4_update_lease(lsp->rls_locker->rl_client); 92227c478bd9Sstevel@tonic-gate 92237c478bd9Sstevel@tonic-gate /* 92247c478bd9Sstevel@tonic-gate * NFS4 only allows locking on regular files, so 92257c478bd9Sstevel@tonic-gate * verify type of object. 92267c478bd9Sstevel@tonic-gate */ 92277c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VREG) { 92287c478bd9Sstevel@tonic-gate if (cs->vp->v_type == VDIR) 92297c478bd9Sstevel@tonic-gate status = NFS4ERR_ISDIR; 92307c478bd9Sstevel@tonic-gate else 92317c478bd9Sstevel@tonic-gate status = NFS4ERR_INVAL; 92327c478bd9Sstevel@tonic-gate goto out; 92337c478bd9Sstevel@tonic-gate } 92347c478bd9Sstevel@tonic-gate 9235d216dff5SRobert Mastors if (rfs4_clnt_in_grace(lsp->rls_state->rs_owner->ro_client)) { 92367c478bd9Sstevel@tonic-gate status = NFS4ERR_GRACE; 92377c478bd9Sstevel@tonic-gate goto out; 92387c478bd9Sstevel@tonic-gate } 92397c478bd9Sstevel@tonic-gate 92407c478bd9Sstevel@tonic-gate status = rfs4_do_lock(lsp, args->locktype, 9241d216dff5SRobert Mastors args->offset, args->length, cs->cr, resop); 92427c478bd9Sstevel@tonic-gate 92437c478bd9Sstevel@tonic-gate out: 92447c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = status; 92457c478bd9Sstevel@tonic-gate 92467c478bd9Sstevel@tonic-gate if (status == NFS4_OK) 9247d216dff5SRobert Mastors resp->lock_stateid = lsp->rls_lockid.stateid; 92487c478bd9Sstevel@tonic-gate 92497c478bd9Sstevel@tonic-gate rfs4_update_lock_resp(lsp, resop); 92507c478bd9Sstevel@tonic-gate 92517c478bd9Sstevel@tonic-gate end: 9252d216dff5SRobert Mastors rfs4_sw_exit(&lsp->rls_sw); 92537c478bd9Sstevel@tonic-gate rfs4_lo_state_rele(lsp, TRUE); 9254f3b585ceSsamf 9255f3b585ceSsamf DTRACE_NFSV4_2(op__locku__done, struct compound_state *, cs, 9256f3b585ceSsamf LOCKU4res *, resp); 92577c478bd9Sstevel@tonic-gate } 92587c478bd9Sstevel@tonic-gate 92597c478bd9Sstevel@tonic-gate /* 92607c478bd9Sstevel@tonic-gate * LOCKT is a best effort routine, the client can not be guaranteed that 92617c478bd9Sstevel@tonic-gate * the status return is still in effect by the time the reply is received. 92627c478bd9Sstevel@tonic-gate * They are numerous race conditions in this routine, but we are not required 92637c478bd9Sstevel@tonic-gate * and can not be accurate. 92647c478bd9Sstevel@tonic-gate */ 92657c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 92667c478bd9Sstevel@tonic-gate void 92677c478bd9Sstevel@tonic-gate rfs4_op_lockt(nfs_argop4 *argop, nfs_resop4 *resop, 92687c478bd9Sstevel@tonic-gate struct svc_req *req, struct compound_state *cs) 92697c478bd9Sstevel@tonic-gate { 92707c478bd9Sstevel@tonic-gate LOCKT4args *args = &argop->nfs_argop4_u.oplockt; 92717c478bd9Sstevel@tonic-gate LOCKT4res *resp = &resop->nfs_resop4_u.oplockt; 92727c478bd9Sstevel@tonic-gate rfs4_lockowner_t *lo; 92737c478bd9Sstevel@tonic-gate rfs4_client_t *cp; 92747c478bd9Sstevel@tonic-gate bool_t create = FALSE; 92757c478bd9Sstevel@tonic-gate struct flock64 flk; 92767c478bd9Sstevel@tonic-gate int error; 92777c478bd9Sstevel@tonic-gate int flag = FREAD | FWRITE; 92787c478bd9Sstevel@tonic-gate int ltype; 92797c478bd9Sstevel@tonic-gate length4 posix_length; 92807c478bd9Sstevel@tonic-gate sysid_t sysid; 92817c478bd9Sstevel@tonic-gate pid_t pid; 92827c478bd9Sstevel@tonic-gate 9283f3b585ceSsamf DTRACE_NFSV4_2(op__lockt__start, struct compound_state *, cs, 9284f3b585ceSsamf LOCKT4args *, args); 9285f3b585ceSsamf 92867c478bd9Sstevel@tonic-gate if (cs->vp == NULL) { 92877c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_NOFILEHANDLE; 9288f3b585ceSsamf goto out; 92897c478bd9Sstevel@tonic-gate } 92907c478bd9Sstevel@tonic-gate 92917c478bd9Sstevel@tonic-gate /* 92927c478bd9Sstevel@tonic-gate * NFS4 only allows locking on regular files, so 92937c478bd9Sstevel@tonic-gate * verify type of object. 92947c478bd9Sstevel@tonic-gate */ 92957c478bd9Sstevel@tonic-gate if (cs->vp->v_type != VREG) { 92967c478bd9Sstevel@tonic-gate if (cs->vp->v_type == VDIR) 92977c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_ISDIR; 92987c478bd9Sstevel@tonic-gate else 92997c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 9300f3b585ceSsamf goto out; 93017c478bd9Sstevel@tonic-gate } 93027c478bd9Sstevel@tonic-gate 93037c478bd9Sstevel@tonic-gate /* 93047c478bd9Sstevel@tonic-gate * Check out the clientid to ensure the server knows about it 93057c478bd9Sstevel@tonic-gate * so that we correctly inform the client of a server reboot. 93067c478bd9Sstevel@tonic-gate */ 93077c478bd9Sstevel@tonic-gate if ((cp = rfs4_findclient_by_id(args->owner.clientid, FALSE)) 93087c478bd9Sstevel@tonic-gate == NULL) { 93097c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = 93107c478bd9Sstevel@tonic-gate rfs4_check_clientid(&args->owner.clientid, 0); 9311f3b585ceSsamf goto out; 93127c478bd9Sstevel@tonic-gate } 93137c478bd9Sstevel@tonic-gate if (rfs4_lease_expired(cp)) { 93147c478bd9Sstevel@tonic-gate rfs4_client_close(cp); 93157c478bd9Sstevel@tonic-gate /* 93167c478bd9Sstevel@tonic-gate * Protocol doesn't allow returning NFS4ERR_STALE as 93177c478bd9Sstevel@tonic-gate * other operations do on this check so STALE_CLIENTID 93187c478bd9Sstevel@tonic-gate * is returned instead 93197c478bd9Sstevel@tonic-gate */ 93207c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_STALE_CLIENTID; 9321f3b585ceSsamf goto out; 93227c478bd9Sstevel@tonic-gate } 93237c478bd9Sstevel@tonic-gate 9324d216dff5SRobert Mastors if (rfs4_clnt_in_grace(cp) && !(cp->rc_can_reclaim)) { 93257c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_GRACE; 9326661cedadSvv149972 rfs4_client_rele(cp); 9327f3b585ceSsamf goto out; 93287c478bd9Sstevel@tonic-gate } 93297c478bd9Sstevel@tonic-gate rfs4_client_rele(cp); 93307c478bd9Sstevel@tonic-gate 93317c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 93327c478bd9Sstevel@tonic-gate 93337c478bd9Sstevel@tonic-gate switch (args->locktype) { 93347c478bd9Sstevel@tonic-gate case READ_LT: 93357c478bd9Sstevel@tonic-gate case READW_LT: 93367c478bd9Sstevel@tonic-gate ltype = F_RDLCK; 93377c478bd9Sstevel@tonic-gate break; 93387c478bd9Sstevel@tonic-gate case WRITE_LT: 93397c478bd9Sstevel@tonic-gate case WRITEW_LT: 93407c478bd9Sstevel@tonic-gate ltype = F_WRLCK; 93417c478bd9Sstevel@tonic-gate break; 93427c478bd9Sstevel@tonic-gate } 93437c478bd9Sstevel@tonic-gate 93447c478bd9Sstevel@tonic-gate posix_length = args->length; 93457c478bd9Sstevel@tonic-gate /* Check for zero length. To lock to end of file use all ones for V4 */ 93467c478bd9Sstevel@tonic-gate if (posix_length == 0) { 93477c478bd9Sstevel@tonic-gate *cs->statusp = resp->status = NFS4ERR_INVAL; 9348f3b585ceSsamf goto out; 93497c478bd9Sstevel@tonic-gate } else if (posix_length == (length4)(~0)) { 93507c478bd9Sstevel@tonic-gate posix_length = 0; /* Posix to end of file */ 93517c478bd9Sstevel@tonic-gate } 93527c478bd9Sstevel@tonic-gate 93537c478bd9Sstevel@tonic-gate /* Find or create a lockowner */ 93547c478bd9Sstevel@tonic-gate lo = rfs4_findlockowner(&args->owner, &create); 93557c478bd9Sstevel@tonic-gate 93567c478bd9Sstevel@tonic-gate if (lo) { 9357d216dff5SRobert Mastors pid = lo->rl_pid; 93587c478bd9Sstevel@tonic-gate if ((resp->status = 9359d216dff5SRobert Mastors rfs4_client_sysid(lo->rl_client, &sysid)) != NFS4_OK) 9360f3b585ceSsamf goto err; 93617c478bd9Sstevel@tonic-gate } else { 93627c478bd9Sstevel@tonic-gate pid = 0; 93637c478bd9Sstevel@tonic-gate sysid = lockt_sysid; 93647c478bd9Sstevel@tonic-gate } 93657c478bd9Sstevel@tonic-gate retry: 93667c478bd9Sstevel@tonic-gate flk.l_type = ltype; 93677c478bd9Sstevel@tonic-gate flk.l_whence = 0; /* SEEK_SET */ 93687c478bd9Sstevel@tonic-gate flk.l_start = args->offset; 93697c478bd9Sstevel@tonic-gate flk.l_len = posix_length; 93707c478bd9Sstevel@tonic-gate flk.l_sysid = sysid; 93717c478bd9Sstevel@tonic-gate flk.l_pid = pid; 93727c478bd9Sstevel@tonic-gate flag |= F_REMOTELOCK; 93737c478bd9Sstevel@tonic-gate 93747c478bd9Sstevel@tonic-gate LOCK_PRINT(rfs4_debug, "rfs4_op_lockt", F_GETLK, &flk); 93757c478bd9Sstevel@tonic-gate 93767c478bd9Sstevel@tonic-gate /* Note that length4 is uint64_t but l_len and l_start are off64_t */ 93777c478bd9Sstevel@tonic-gate if (flk.l_len < 0 || flk.l_start < 0) { 93787c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 9379f3b585ceSsamf goto err; 93807c478bd9Sstevel@tonic-gate } 93817c478bd9Sstevel@tonic-gate error = VOP_FRLOCK(cs->vp, F_GETLK, &flk, flag, (u_offset_t)0, 9382da6c28aaSamw NULL, cs->cr, NULL); 93837c478bd9Sstevel@tonic-gate 93847c478bd9Sstevel@tonic-gate /* 93857c478bd9Sstevel@tonic-gate * N.B. We map error values to nfsv4 errors. This is differrent 93867c478bd9Sstevel@tonic-gate * than puterrno4 routine. 93877c478bd9Sstevel@tonic-gate */ 93887c478bd9Sstevel@tonic-gate switch (error) { 93897c478bd9Sstevel@tonic-gate case 0: 93907c478bd9Sstevel@tonic-gate if (flk.l_type == F_UNLCK) 93917c478bd9Sstevel@tonic-gate resp->status = NFS4_OK; 93927c478bd9Sstevel@tonic-gate else { 93937c478bd9Sstevel@tonic-gate if (lock_denied(&resp->denied, &flk) == NFS4ERR_EXPIRED) 93947c478bd9Sstevel@tonic-gate goto retry; 93957c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_DENIED; 93967c478bd9Sstevel@tonic-gate } 93977c478bd9Sstevel@tonic-gate break; 93987c478bd9Sstevel@tonic-gate case EOVERFLOW: 93997c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_INVAL; 94007c478bd9Sstevel@tonic-gate break; 94017c478bd9Sstevel@tonic-gate case EINVAL: 94027c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_NOTSUPP; 94037c478bd9Sstevel@tonic-gate break; 94047c478bd9Sstevel@tonic-gate default: 94057c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "rfs4_op_lockt: unexpected errno (%d)", 94067c478bd9Sstevel@tonic-gate error); 94077c478bd9Sstevel@tonic-gate resp->status = NFS4ERR_SERVERFAULT; 94087c478bd9Sstevel@tonic-gate break; 94097c478bd9Sstevel@tonic-gate } 94107c478bd9Sstevel@tonic-gate 9411f3b585ceSsamf err: 94127c478bd9Sstevel@tonic-gate if (lo) 94137c478bd9Sstevel@tonic-gate rfs4_lockowner_rele(lo); 94147c478bd9Sstevel@tonic-gate *cs->statusp = resp->status; 9415f3b585ceSsamf out: 9416f3b585ceSsamf DTRACE_NFSV4_2(op__lockt__done, struct compound_state *, cs, 9417f3b585ceSsamf LOCKT4res *, resp); 94187c478bd9Sstevel@tonic-gate } 94197c478bd9Sstevel@tonic-gate 9420d216dff5SRobert Mastors int 9421d216dff5SRobert Mastors rfs4_share(rfs4_state_t *sp, uint32_t access, uint32_t deny) 94227c478bd9Sstevel@tonic-gate { 94237c478bd9Sstevel@tonic-gate int err; 9424d216dff5SRobert Mastors int cmd; 9425d216dff5SRobert Mastors vnode_t *vp; 94267c478bd9Sstevel@tonic-gate struct shrlock shr; 94277c478bd9Sstevel@tonic-gate struct shr_locowner shr_loco; 9428d216dff5SRobert Mastors int fflags = 0; 94297c478bd9Sstevel@tonic-gate 9430d216dff5SRobert Mastors ASSERT(rfs4_dbe_islocked(sp->rs_dbe)); 9431d216dff5SRobert Mastors ASSERT(sp->rs_owner->ro_client->rc_sysidt != LM_NOSYSID); 94327c478bd9Sstevel@tonic-gate 9433d216dff5SRobert Mastors if (sp->rs_closed) 9434d216dff5SRobert Mastors return (NFS4ERR_OLD_STATEID); 9435d216dff5SRobert Mastors 9436d216dff5SRobert Mastors vp = sp->rs_finfo->rf_vp; 9437d216dff5SRobert Mastors ASSERT(vp); 9438d216dff5SRobert Mastors 9439d216dff5SRobert Mastors shr.s_access = shr.s_deny = 0; 9440d216dff5SRobert Mastors 9441d216dff5SRobert Mastors if (access & OPEN4_SHARE_ACCESS_READ) { 94427c478bd9Sstevel@tonic-gate fflags |= FREAD; 94437c478bd9Sstevel@tonic-gate shr.s_access |= F_RDACC; 94447c478bd9Sstevel@tonic-gate } 9445d216dff5SRobert Mastors if (access & OPEN4_SHARE_ACCESS_WRITE) { 94467c478bd9Sstevel@tonic-gate fflags |= FWRITE; 94477c478bd9Sstevel@tonic-gate shr.s_access |= F_WRACC; 94487c478bd9Sstevel@tonic-gate } 9449d216dff5SRobert Mastors ASSERT(shr.s_access); 9450d216dff5SRobert Mastors 9451d216dff5SRobert Mastors if (deny & OPEN4_SHARE_DENY_READ) 94527c478bd9Sstevel@tonic-gate shr.s_deny |= F_RDDNY; 9453d216dff5SRobert Mastors if (deny & OPEN4_SHARE_DENY_WRITE) 94547c478bd9Sstevel@tonic-gate shr.s_deny |= F_WRDNY; 94557c478bd9Sstevel@tonic-gate 9456d216dff5SRobert Mastors shr.s_pid = rfs4_dbe_getid(sp->rs_owner->ro_dbe); 9457d216dff5SRobert Mastors shr.s_sysid = sp->rs_owner->ro_client->rc_sysidt; 94587c478bd9Sstevel@tonic-gate shr_loco.sl_pid = shr.s_pid; 94597c478bd9Sstevel@tonic-gate shr_loco.sl_id = shr.s_sysid; 94607c478bd9Sstevel@tonic-gate shr.s_owner = (caddr_t)&shr_loco; 94617c478bd9Sstevel@tonic-gate shr.s_own_len = sizeof (shr_loco); 9462d216dff5SRobert Mastors 9463d216dff5SRobert Mastors cmd = nbl_need_check(vp) ? F_SHARE_NBMAND : F_SHARE; 9464d216dff5SRobert Mastors 9465d216dff5SRobert Mastors err = VOP_SHRLOCK(vp, cmd, &shr, fflags, CRED(), NULL); 9466d216dff5SRobert Mastors if (err != 0) { 9467d216dff5SRobert Mastors if (err == EAGAIN) 9468d216dff5SRobert Mastors err = NFS4ERR_SHARE_DENIED; 9469d216dff5SRobert Mastors else 9470d216dff5SRobert Mastors err = puterrno4(err); 9471d216dff5SRobert Mastors return (err); 94727c478bd9Sstevel@tonic-gate } 94737c478bd9Sstevel@tonic-gate 9474d216dff5SRobert Mastors sp->rs_share_access |= access; 9475d216dff5SRobert Mastors sp->rs_share_deny |= deny; 9476d216dff5SRobert Mastors 9477d216dff5SRobert Mastors return (0); 94787c478bd9Sstevel@tonic-gate } 94797c478bd9Sstevel@tonic-gate 9480d216dff5SRobert Mastors int 94817c478bd9Sstevel@tonic-gate rfs4_unshare(rfs4_state_t *sp) 94827c478bd9Sstevel@tonic-gate { 9483d216dff5SRobert Mastors int err; 9484d216dff5SRobert Mastors struct shrlock shr; 9485d216dff5SRobert Mastors struct shr_locowner shr_loco; 9486d216dff5SRobert Mastors 9487d216dff5SRobert Mastors ASSERT(rfs4_dbe_islocked(sp->rs_dbe)); 9488d216dff5SRobert Mastors 9489d216dff5SRobert Mastors if (sp->rs_closed || sp->rs_share_access == 0) 9490d216dff5SRobert Mastors return (0); 9491d216dff5SRobert Mastors 9492d216dff5SRobert Mastors ASSERT(sp->rs_owner->ro_client->rc_sysidt != LM_NOSYSID); 9493d216dff5SRobert Mastors ASSERT(sp->rs_finfo->rf_vp); 9494d216dff5SRobert Mastors 9495d216dff5SRobert Mastors shr.s_access = shr.s_deny = 0; 9496d216dff5SRobert Mastors shr.s_pid = rfs4_dbe_getid(sp->rs_owner->ro_dbe); 9497d216dff5SRobert Mastors shr.s_sysid = sp->rs_owner->ro_client->rc_sysidt; 9498d216dff5SRobert Mastors shr_loco.sl_pid = shr.s_pid; 9499d216dff5SRobert Mastors shr_loco.sl_id = shr.s_sysid; 9500d216dff5SRobert Mastors shr.s_owner = (caddr_t)&shr_loco; 9501d216dff5SRobert Mastors shr.s_own_len = sizeof (shr_loco); 9502d216dff5SRobert Mastors 9503d216dff5SRobert Mastors err = VOP_SHRLOCK(sp->rs_finfo->rf_vp, F_UNSHARE, &shr, 0, CRED(), 9504d216dff5SRobert Mastors NULL); 9505d216dff5SRobert Mastors if (err != 0) { 9506d216dff5SRobert Mastors err = puterrno4(err); 9507d216dff5SRobert Mastors return (err); 9508d216dff5SRobert Mastors } 9509d216dff5SRobert Mastors 9510d216dff5SRobert Mastors sp->rs_share_access = 0; 9511d216dff5SRobert Mastors sp->rs_share_deny = 0; 9512d216dff5SRobert Mastors 9513d216dff5SRobert Mastors return (0); 9514d216dff5SRobert Mastors 95157c478bd9Sstevel@tonic-gate } 95160a701b1eSRobert Gordon 95170a701b1eSRobert Gordon static int 95180a701b1eSRobert Gordon rdma_setup_read_data4(READ4args *args, READ4res *rok) 95190a701b1eSRobert Gordon { 95200a701b1eSRobert Gordon struct clist *wcl; 95210a701b1eSRobert Gordon count4 count = rok->data_len; 9522f837ee4aSSiddheshwar Mahesh int wlist_len; 95230a701b1eSRobert Gordon 95240a701b1eSRobert Gordon wcl = args->wlist; 9525f837ee4aSSiddheshwar Mahesh if (rdma_setup_read_chunks(wcl, count, &wlist_len) == FALSE) { 95260a701b1eSRobert Gordon return (FALSE); 95270a701b1eSRobert Gordon } 95280a701b1eSRobert Gordon wcl = args->wlist; 9529f837ee4aSSiddheshwar Mahesh rok->wlist_len = wlist_len; 95300a701b1eSRobert Gordon rok->wlist = wcl; 95310a701b1eSRobert Gordon return (TRUE); 95320a701b1eSRobert Gordon } 95332f172c55SRobert Thurlow 95342f172c55SRobert Thurlow /* tunable to disable server referrals */ 95352f172c55SRobert Thurlow int rfs4_no_referrals = 0; 95362f172c55SRobert Thurlow 95372f172c55SRobert Thurlow /* 95382f172c55SRobert Thurlow * Find an NFS record in reparse point data. 95392f172c55SRobert Thurlow * Returns 0 for success and <0 or an errno value on failure. 95402f172c55SRobert Thurlow */ 95412f172c55SRobert Thurlow int 95422f172c55SRobert Thurlow vn_find_nfs_record(vnode_t *vp, nvlist_t **nvlp, char **svcp, char **datap) 95432f172c55SRobert Thurlow { 95442f172c55SRobert Thurlow int err; 95452f172c55SRobert Thurlow char *stype, *val; 95462f172c55SRobert Thurlow nvlist_t *nvl; 95472f172c55SRobert Thurlow nvpair_t *curr; 95482f172c55SRobert Thurlow 95492f172c55SRobert Thurlow if ((nvl = reparse_init()) == NULL) 95502f172c55SRobert Thurlow return (-1); 95512f172c55SRobert Thurlow 95522f172c55SRobert Thurlow if ((err = reparse_vnode_parse(vp, nvl)) != 0) { 95532f172c55SRobert Thurlow reparse_free(nvl); 95542f172c55SRobert Thurlow return (err); 95552f172c55SRobert Thurlow } 95562f172c55SRobert Thurlow 95572f172c55SRobert Thurlow curr = NULL; 95582f172c55SRobert Thurlow while ((curr = nvlist_next_nvpair(nvl, curr)) != NULL) { 95592f172c55SRobert Thurlow if ((stype = nvpair_name(curr)) == NULL) { 95602f172c55SRobert Thurlow reparse_free(nvl); 95612f172c55SRobert Thurlow return (-2); 95622f172c55SRobert Thurlow } 95632f172c55SRobert Thurlow if (strncasecmp(stype, "NFS", 3) == 0) 95642f172c55SRobert Thurlow break; 95652f172c55SRobert Thurlow } 95662f172c55SRobert Thurlow 95672f172c55SRobert Thurlow if ((curr == NULL) || 95682f172c55SRobert Thurlow (nvpair_value_string(curr, &val))) { 95692f172c55SRobert Thurlow reparse_free(nvl); 95702f172c55SRobert Thurlow return (-3); 95712f172c55SRobert Thurlow } 95722f172c55SRobert Thurlow *nvlp = nvl; 95732f172c55SRobert Thurlow *svcp = stype; 95742f172c55SRobert Thurlow *datap = val; 95752f172c55SRobert Thurlow return (0); 95762f172c55SRobert Thurlow } 95772f172c55SRobert Thurlow 95782f172c55SRobert Thurlow int 95792f172c55SRobert Thurlow vn_is_nfs_reparse(vnode_t *vp, cred_t *cr) 95802f172c55SRobert Thurlow { 95812f172c55SRobert Thurlow nvlist_t *nvl; 95822f172c55SRobert Thurlow char *s, *d; 95832f172c55SRobert Thurlow 95842f172c55SRobert Thurlow if (rfs4_no_referrals != 0) 95852f172c55SRobert Thurlow return (B_FALSE); 95862f172c55SRobert Thurlow 95872f172c55SRobert Thurlow if (vn_is_reparse(vp, cr, NULL) == B_FALSE) 95882f172c55SRobert Thurlow return (B_FALSE); 95892f172c55SRobert Thurlow 95902f172c55SRobert Thurlow if (vn_find_nfs_record(vp, &nvl, &s, &d) != 0) 95912f172c55SRobert Thurlow return (B_FALSE); 95922f172c55SRobert Thurlow 95932f172c55SRobert Thurlow reparse_free(nvl); 95942f172c55SRobert Thurlow 95952f172c55SRobert Thurlow return (B_TRUE); 95962f172c55SRobert Thurlow } 95972f172c55SRobert Thurlow 95982f172c55SRobert Thurlow /* 95992f172c55SRobert Thurlow * There is a user-level copy of this routine in ref_subr.c. 96002f172c55SRobert Thurlow * Changes should be kept in sync. 96012f172c55SRobert Thurlow */ 96022f172c55SRobert Thurlow static int 96032f172c55SRobert Thurlow nfs4_create_components(char *path, component4 *comp4) 96042f172c55SRobert Thurlow { 96052f172c55SRobert Thurlow int slen, plen, ncomp; 96062f172c55SRobert Thurlow char *ori_path, *nxtc, buf[MAXNAMELEN]; 96072f172c55SRobert Thurlow 96082f172c55SRobert Thurlow if (path == NULL) 96092f172c55SRobert Thurlow return (0); 96102f172c55SRobert Thurlow 96112f172c55SRobert Thurlow plen = strlen(path) + 1; /* include the terminator */ 96122f172c55SRobert Thurlow ori_path = path; 96132f172c55SRobert Thurlow ncomp = 0; 96142f172c55SRobert Thurlow 96152f172c55SRobert Thurlow /* count number of components in the path */ 96162f172c55SRobert Thurlow for (nxtc = path; nxtc < ori_path + plen; nxtc++) { 96172f172c55SRobert Thurlow if (*nxtc == '/' || *nxtc == '\0' || *nxtc == '\n') { 96182f172c55SRobert Thurlow if ((slen = nxtc - path) == 0) { 96192f172c55SRobert Thurlow path = nxtc + 1; 96202f172c55SRobert Thurlow continue; 96212f172c55SRobert Thurlow } 96222f172c55SRobert Thurlow 96232f172c55SRobert Thurlow if (comp4 != NULL) { 96242f172c55SRobert Thurlow bcopy(path, buf, slen); 96252f172c55SRobert Thurlow buf[slen] = '\0'; 96265301ec54SRobert Thurlow (void) str_to_utf8(buf, &comp4[ncomp]); 96272f172c55SRobert Thurlow } 96282f172c55SRobert Thurlow 96292f172c55SRobert Thurlow ncomp++; /* 1 valid component */ 96302f172c55SRobert Thurlow path = nxtc + 1; 96312f172c55SRobert Thurlow } 96322f172c55SRobert Thurlow if (*nxtc == '\0' || *nxtc == '\n') 96332f172c55SRobert Thurlow break; 96342f172c55SRobert Thurlow } 96352f172c55SRobert Thurlow 96362f172c55SRobert Thurlow return (ncomp); 96372f172c55SRobert Thurlow } 96382f172c55SRobert Thurlow 96392f172c55SRobert Thurlow /* 96402f172c55SRobert Thurlow * There is a user-level copy of this routine in ref_subr.c. 96412f172c55SRobert Thurlow * Changes should be kept in sync. 96422f172c55SRobert Thurlow */ 96432f172c55SRobert Thurlow static int 96442f172c55SRobert Thurlow make_pathname4(char *path, pathname4 *pathname) 96452f172c55SRobert Thurlow { 96462f172c55SRobert Thurlow int ncomp; 96472f172c55SRobert Thurlow component4 *comp4; 96482f172c55SRobert Thurlow 96492f172c55SRobert Thurlow if (pathname == NULL) 96502f172c55SRobert Thurlow return (0); 96512f172c55SRobert Thurlow 96522f172c55SRobert Thurlow if (path == NULL) { 96532f172c55SRobert Thurlow pathname->pathname4_val = NULL; 96542f172c55SRobert Thurlow pathname->pathname4_len = 0; 96552f172c55SRobert Thurlow return (0); 96562f172c55SRobert Thurlow } 96572f172c55SRobert Thurlow 96582f172c55SRobert Thurlow /* count number of components to alloc buffer */ 96592f172c55SRobert Thurlow if ((ncomp = nfs4_create_components(path, NULL)) == 0) { 96602f172c55SRobert Thurlow pathname->pathname4_val = NULL; 96612f172c55SRobert Thurlow pathname->pathname4_len = 0; 96622f172c55SRobert Thurlow return (0); 96632f172c55SRobert Thurlow } 96642f172c55SRobert Thurlow comp4 = kmem_zalloc(ncomp * sizeof (component4), KM_SLEEP); 96652f172c55SRobert Thurlow 96662f172c55SRobert Thurlow /* copy components into allocated buffer */ 96672f172c55SRobert Thurlow ncomp = nfs4_create_components(path, comp4); 96682f172c55SRobert Thurlow 96692f172c55SRobert Thurlow pathname->pathname4_val = comp4; 96702f172c55SRobert Thurlow pathname->pathname4_len = ncomp; 96712f172c55SRobert Thurlow 96722f172c55SRobert Thurlow return (ncomp); 96732f172c55SRobert Thurlow } 96742f172c55SRobert Thurlow 96752f172c55SRobert Thurlow #define xdr_fs_locations4 xdr_fattr4_fs_locations 96762f172c55SRobert Thurlow 96772f172c55SRobert Thurlow fs_locations4 * 96782f172c55SRobert Thurlow fetch_referral(vnode_t *vp, cred_t *cr) 96792f172c55SRobert Thurlow { 96802f172c55SRobert Thurlow nvlist_t *nvl; 96812f172c55SRobert Thurlow char *stype, *sdata; 96822f172c55SRobert Thurlow fs_locations4 *result; 96832f172c55SRobert Thurlow char buf[1024]; 96842f172c55SRobert Thurlow size_t bufsize; 96852f172c55SRobert Thurlow XDR xdr; 96862f172c55SRobert Thurlow int err; 96872f172c55SRobert Thurlow 96882f172c55SRobert Thurlow /* 96892f172c55SRobert Thurlow * Check attrs to ensure it's a reparse point 96902f172c55SRobert Thurlow */ 96912f172c55SRobert Thurlow if (vn_is_reparse(vp, cr, NULL) == B_FALSE) 96922f172c55SRobert Thurlow return (NULL); 96932f172c55SRobert Thurlow 96942f172c55SRobert Thurlow /* 96952f172c55SRobert Thurlow * Look for an NFS record and get the type and data 96962f172c55SRobert Thurlow */ 96972f172c55SRobert Thurlow if (vn_find_nfs_record(vp, &nvl, &stype, &sdata) != 0) 96982f172c55SRobert Thurlow return (NULL); 96992f172c55SRobert Thurlow 97002f172c55SRobert Thurlow /* 97012f172c55SRobert Thurlow * With the type and data, upcall to get the referral 97022f172c55SRobert Thurlow */ 97032f172c55SRobert Thurlow bufsize = sizeof (buf); 97042f172c55SRobert Thurlow bzero(buf, sizeof (buf)); 97052f172c55SRobert Thurlow err = reparse_kderef((const char *)stype, (const char *)sdata, 97062f172c55SRobert Thurlow buf, &bufsize); 97072f172c55SRobert Thurlow reparse_free(nvl); 97082f172c55SRobert Thurlow 97092f172c55SRobert Thurlow DTRACE_PROBE4(nfs4serv__func__referral__upcall, 97102f172c55SRobert Thurlow char *, stype, char *, sdata, char *, buf, int, err); 97112f172c55SRobert Thurlow if (err) { 97122f172c55SRobert Thurlow cmn_err(CE_NOTE, 97132f172c55SRobert Thurlow "reparsed daemon not running: unable to get referral (%d)", 97142f172c55SRobert Thurlow err); 97152f172c55SRobert Thurlow return (NULL); 97162f172c55SRobert Thurlow } 97172f172c55SRobert Thurlow 97182f172c55SRobert Thurlow /* 97192f172c55SRobert Thurlow * We get an XDR'ed record back from the kderef call 97202f172c55SRobert Thurlow */ 97212f172c55SRobert Thurlow xdrmem_create(&xdr, buf, bufsize, XDR_DECODE); 97222f172c55SRobert Thurlow result = kmem_alloc(sizeof (fs_locations4), KM_SLEEP); 97232f172c55SRobert Thurlow err = xdr_fs_locations4(&xdr, result); 97242f172c55SRobert Thurlow XDR_DESTROY(&xdr); 97252f172c55SRobert Thurlow if (err != TRUE) { 97262f172c55SRobert Thurlow DTRACE_PROBE1(nfs4serv__func__referral__upcall__xdrfail, 97272f172c55SRobert Thurlow int, err); 97282f172c55SRobert Thurlow return (NULL); 97292f172c55SRobert Thurlow } 97302f172c55SRobert Thurlow 97312f172c55SRobert Thurlow /* 97322f172c55SRobert Thurlow * Look at path to recover fs_root, ignoring the leading '/' 97332f172c55SRobert Thurlow */ 97342f172c55SRobert Thurlow (void) make_pathname4(vp->v_path, &result->fs_root); 97352f172c55SRobert Thurlow 97362f172c55SRobert Thurlow return (result); 97372f172c55SRobert Thurlow } 97382f172c55SRobert Thurlow 97392f172c55SRobert Thurlow char * 97402f172c55SRobert Thurlow build_symlink(vnode_t *vp, cred_t *cr, size_t *strsz) 97412f172c55SRobert Thurlow { 97422f172c55SRobert Thurlow fs_locations4 *fsl; 97432f172c55SRobert Thurlow fs_location4 *fs; 97442f172c55SRobert Thurlow char *server, *path, *symbuf; 97452f172c55SRobert Thurlow static char *prefix = "/net/"; 97462f172c55SRobert Thurlow int i, size, npaths; 97472f172c55SRobert Thurlow uint_t len; 97482f172c55SRobert Thurlow 97492f172c55SRobert Thurlow /* Get the referral */ 97502f172c55SRobert Thurlow if ((fsl = fetch_referral(vp, cr)) == NULL) 97512f172c55SRobert Thurlow return (NULL); 97522f172c55SRobert Thurlow 97532f172c55SRobert Thurlow /* Deal with only the first location and first server */ 97542f172c55SRobert Thurlow fs = &fsl->locations_val[0]; 97552f172c55SRobert Thurlow server = utf8_to_str(&fs->server_val[0], &len, NULL); 97562f172c55SRobert Thurlow if (server == NULL) { 97572f172c55SRobert Thurlow rfs4_free_fs_locations4(fsl); 97582f172c55SRobert Thurlow kmem_free(fsl, sizeof (fs_locations4)); 97592f172c55SRobert Thurlow return (NULL); 97602f172c55SRobert Thurlow } 97612f172c55SRobert Thurlow 97622f172c55SRobert Thurlow /* Figure out size for "/net/" + host + /path/path/path + NULL */ 97632f172c55SRobert Thurlow size = strlen(prefix) + len; 97642f172c55SRobert Thurlow for (i = 0; i < fs->rootpath.pathname4_len; i++) 97652f172c55SRobert Thurlow size += fs->rootpath.pathname4_val[i].utf8string_len + 1; 97662f172c55SRobert Thurlow 97672f172c55SRobert Thurlow /* Allocate the symlink buffer and fill it */ 97682f172c55SRobert Thurlow symbuf = kmem_zalloc(size, KM_SLEEP); 97692f172c55SRobert Thurlow (void) strcat(symbuf, prefix); 97702f172c55SRobert Thurlow (void) strcat(symbuf, server); 97712f172c55SRobert Thurlow kmem_free(server, len); 97722f172c55SRobert Thurlow 97732f172c55SRobert Thurlow npaths = 0; 97742f172c55SRobert Thurlow for (i = 0; i < fs->rootpath.pathname4_len; i++) { 97752f172c55SRobert Thurlow path = utf8_to_str(&fs->rootpath.pathname4_val[i], &len, NULL); 97762f172c55SRobert Thurlow if (path == NULL) 97772f172c55SRobert Thurlow continue; 97782f172c55SRobert Thurlow (void) strcat(symbuf, "/"); 97792f172c55SRobert Thurlow (void) strcat(symbuf, path); 97802f172c55SRobert Thurlow npaths++; 97812f172c55SRobert Thurlow kmem_free(path, len); 97822f172c55SRobert Thurlow } 97832f172c55SRobert Thurlow 97842f172c55SRobert Thurlow rfs4_free_fs_locations4(fsl); 97852f172c55SRobert Thurlow kmem_free(fsl, sizeof (fs_locations4)); 97862f172c55SRobert Thurlow 97872f172c55SRobert Thurlow if (strsz != NULL) 97882f172c55SRobert Thurlow *strsz = size; 97892f172c55SRobert Thurlow return (symbuf); 97902f172c55SRobert Thurlow } 97912f172c55SRobert Thurlow 97922f172c55SRobert Thurlow /* 97932f172c55SRobert Thurlow * Check to see if we have a downrev Solaris client, so that we 97942f172c55SRobert Thurlow * can send it a symlink instead of a referral. 97952f172c55SRobert Thurlow */ 97962f172c55SRobert Thurlow int 97972f172c55SRobert Thurlow client_is_downrev(struct svc_req *req) 97982f172c55SRobert Thurlow { 97992f172c55SRobert Thurlow struct sockaddr *ca; 98002f172c55SRobert Thurlow rfs4_clntip_t *ci; 98012f172c55SRobert Thurlow bool_t create = FALSE; 98022f172c55SRobert Thurlow int is_downrev; 98032f172c55SRobert Thurlow 98042f172c55SRobert Thurlow ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; 98052f172c55SRobert Thurlow ASSERT(ca); 98062f172c55SRobert Thurlow ci = rfs4_find_clntip(ca, &create); 98072f172c55SRobert Thurlow if (ci == NULL) 98082f172c55SRobert Thurlow return (0); 98092f172c55SRobert Thurlow is_downrev = ci->ri_no_referrals; 98102f172c55SRobert Thurlow rfs4_dbe_rele(ci->ri_dbe); 98112f172c55SRobert Thurlow return (is_downrev); 98122f172c55SRobert Thurlow } 9813