1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #pragma ident "%Z%%M% %I% %E% SMI" 27 28 #include <sys/types.h> 29 #include <sys/param.h> 30 #include <sys/time.h> 31 #include <sys/cred.h> 32 #include <sys/vfs.h> 33 #include <sys/vfs_opreg.h> 34 #include <sys/gfs.h> 35 #include <sys/vnode.h> 36 #include <sys/systm.h> 37 #include <sys/errno.h> 38 #include <sys/sysmacros.h> 39 #include <fs/fs_subr.h> 40 #include <sys/contract.h> 41 #include <sys/contract_impl.h> 42 #include <sys/ctfs.h> 43 #include <sys/ctfs_impl.h> 44 #include <sys/file.h> 45 #include <sys/pathname.h> 46 47 /* 48 * Entries in a /system/contract/<type> directory. 49 */ 50 static gfs_dirent_t ctfs_tdir_dirents[] = { 51 { "bundle", ctfs_create_bundle }, 52 { "pbundle", ctfs_create_pbundle }, 53 { "template", ctfs_create_tmplnode }, 54 { "latest", ctfs_create_latenode, GFS_CACHE_VNODE }, 55 { NULL } 56 }; 57 #define CTFS_NSPECIALS ((sizeof ctfs_tdir_dirents / sizeof (gfs_dirent_t)) - 1) 58 59 static int ctfs_tdir_do_readdir(vnode_t *, void *, int *, offset_t *, 60 offset_t *, void *, int); 61 static int ctfs_tdir_do_lookup(vnode_t *, const char *, vnode_t **, ino64_t *, 62 cred_t *); 63 static ino64_t ctfs_tdir_do_inode(vnode_t *, int); 64 65 /* 66 * ctfs_create_tdirnode 67 */ 68 vnode_t * 69 ctfs_create_tdirnode(vnode_t *pvp) 70 { 71 return (gfs_dir_create(sizeof (ctfs_tdirnode_t), pvp, ctfs_ops_tdir, 72 ctfs_tdir_dirents, ctfs_tdir_do_inode, CTFS_NAME_MAX, 73 ctfs_tdir_do_readdir, ctfs_tdir_do_lookup)); 74 } 75 76 /* 77 * ctfs_tdir_getattr - VOP_GETATTR entry point 78 */ 79 /* ARGSUSED */ 80 static int 81 ctfs_tdir_getattr( 82 vnode_t *vp, 83 vattr_t *vap, 84 int flags, 85 cred_t *cr, 86 caller_context_t *ct) 87 { 88 vap->va_type = VDIR; 89 vap->va_mode = 0555; 90 vap->va_nlink = 2 + CTFS_NSPECIALS; 91 vap->va_size = vap->va_nlink + 92 contract_type_count(ct_types[gfs_file_index(vp)]); 93 vap->va_ctime.tv_sec = vp->v_vfsp->vfs_mtime; 94 vap->va_ctime.tv_nsec = 0; 95 contract_type_time(ct_types[gfs_file_index(vp)], &vap->va_atime); 96 vap->va_mtime = vap->va_atime; 97 ctfs_common_getattr(vp, vap); 98 99 return (0); 100 } 101 102 static ino64_t 103 ctfs_tdir_do_inode(vnode_t *vp, int index) 104 { 105 return (CTFS_INO_TYPE_FILE(gfs_file_index(vp), index)); 106 } 107 108 /* ARGSUSED */ 109 static int 110 ctfs_tdir_do_readdir(vnode_t *vp, void *dp, int *eofp, 111 offset_t *offp, offset_t *nextp, void *data, int flags) 112 { 113 uint64_t zuniqid; 114 ctid_t next; 115 ct_type_t *ty = ct_types[gfs_file_index(vp)]; 116 struct dirent64 *odp = dp; 117 118 /* ctfs does not support V_RDDIR_ENTFLAGS */ 119 if (flags & V_RDDIR_ENTFLAGS) 120 return (ENOTSUP); 121 122 zuniqid = VTOZONE(vp)->zone_uniqid; 123 next = contract_type_lookup(ty, zuniqid, *offp); 124 125 if (next == -1) { 126 *eofp = 1; 127 return (0); 128 } 129 130 odp->d_ino = CTFS_INO_CT_DIR(next); 131 numtos(next, odp->d_name); 132 *offp = next; 133 *nextp = next + 1; 134 135 return (0); 136 } 137 138 /* ARGSUSED */ 139 static int 140 ctfs_tdir_do_lookup(vnode_t *vp, const char *nm, vnode_t **vpp, ino64_t *inop, 141 cred_t *cr) 142 { 143 int i; 144 contract_t *ct; 145 146 i = stoi((char **)&nm); 147 if (*nm != '\0') 148 return (ENOENT); 149 150 ct = contract_type_ptr(ct_types[gfs_file_index(vp)], i, 151 VTOZONE(vp)->zone_uniqid); 152 if (ct == NULL) 153 return (ENOENT); 154 155 *vpp = ctfs_create_cdirnode(vp, ct); 156 *inop = gfs_file_inode(*vpp); 157 contract_rele(ct); 158 return (0); 159 } 160 161 const fs_operation_def_t ctfs_tops_tdir[] = { 162 { VOPNAME_OPEN, { .vop_open = ctfs_open } }, 163 { VOPNAME_CLOSE, { .vop_close = ctfs_close } }, 164 { VOPNAME_IOCTL, { .error = fs_inval } }, 165 { VOPNAME_GETATTR, { .vop_getattr = ctfs_tdir_getattr } }, 166 { VOPNAME_ACCESS, { .vop_access = ctfs_access_dir } }, 167 { VOPNAME_READDIR, { .vop_readdir = gfs_vop_readdir } }, 168 { VOPNAME_LOOKUP, { .vop_lookup = gfs_vop_lookup } }, 169 { VOPNAME_SEEK, { .vop_seek = fs_seek } }, 170 { VOPNAME_INACTIVE, { .vop_inactive = gfs_vop_inactive } }, 171 { NULL, NULL } 172 }; 173