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 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #include <sys/types.h> 27 #include <sys/param.h> 28 #include <sys/time.h> 29 #include <sys/cred.h> 30 #include <sys/vfs.h> 31 #include <sys/vfs_opreg.h> 32 #include <sys/gfs.h> 33 #include <sys/vnode.h> 34 #include <sys/systm.h> 35 #include <sys/errno.h> 36 #include <sys/sysmacros.h> 37 #include <fs/fs_subr.h> 38 #include <sys/contract.h> 39 #include <sys/contract_impl.h> 40 #include <sys/ctfs.h> 41 #include <sys/ctfs_impl.h> 42 #include <sys/file.h> 43 #include <sys/pathname.h> 44 45 /* 46 * Entries in a /system/contract/<type> directory. 47 */ 48 static gfs_dirent_t ctfs_tdir_dirents[] = { 49 { "bundle", ctfs_create_bundle }, 50 { "pbundle", ctfs_create_pbundle }, 51 { "template", ctfs_create_tmplnode }, 52 { "latest", ctfs_create_latenode, GFS_CACHE_VNODE }, 53 { NULL } 54 }; 55 #define CTFS_NSPECIALS ((sizeof ctfs_tdir_dirents / sizeof (gfs_dirent_t)) - 1) 56 57 static int ctfs_tdir_do_readdir(vnode_t *, void *, int *, offset_t *, 58 offset_t *, void *, int); 59 static int ctfs_tdir_do_lookup(vnode_t *, const char *, vnode_t **, ino64_t *, 60 cred_t *, int, int *, pathname_t *); 61 static ino64_t ctfs_tdir_do_inode(vnode_t *, int); 62 63 /* 64 * ctfs_create_tdirnode 65 */ 66 vnode_t * 67 ctfs_create_tdirnode(vnode_t *pvp) 68 { 69 return (gfs_dir_create(sizeof (ctfs_tdirnode_t), pvp, ctfs_ops_tdir, 70 ctfs_tdir_dirents, ctfs_tdir_do_inode, CTFS_NAME_MAX, 71 ctfs_tdir_do_readdir, ctfs_tdir_do_lookup)); 72 } 73 74 /* 75 * ctfs_tdir_getattr - VOP_GETATTR entry point 76 */ 77 /* ARGSUSED */ 78 static int 79 ctfs_tdir_getattr( 80 vnode_t *vp, 81 vattr_t *vap, 82 int flags, 83 cred_t *cr, 84 caller_context_t *ct) 85 { 86 vap->va_type = VDIR; 87 vap->va_mode = 0555; 88 vap->va_nlink = 2 + CTFS_NSPECIALS; 89 vap->va_size = vap->va_nlink + 90 contract_type_count(ct_types[gfs_file_index(vp)]); 91 vap->va_ctime.tv_sec = vp->v_vfsp->vfs_mtime; 92 vap->va_ctime.tv_nsec = 0; 93 contract_type_time(ct_types[gfs_file_index(vp)], &vap->va_atime); 94 vap->va_mtime = vap->va_atime; 95 ctfs_common_getattr(vp, vap); 96 97 return (0); 98 } 99 100 static ino64_t 101 ctfs_tdir_do_inode(vnode_t *vp, int index) 102 { 103 return (CTFS_INO_TYPE_FILE(gfs_file_index(vp), index)); 104 } 105 106 /* ARGSUSED */ 107 static int 108 ctfs_tdir_do_readdir(vnode_t *vp, void *dp, int *eofp, 109 offset_t *offp, offset_t *nextp, void *data, int flags) 110 { 111 uint64_t zuniqid; 112 ctid_t next; 113 ct_type_t *ty = ct_types[gfs_file_index(vp)]; 114 struct dirent64 *odp = dp; 115 116 ASSERT(!(flags & V_RDDIR_ENTFLAGS)); 117 118 zuniqid = VTOZONE(vp)->zone_uniqid; 119 next = contract_type_lookup(ty, zuniqid, *offp); 120 121 if (next == -1) { 122 *eofp = 1; 123 return (0); 124 } 125 126 odp->d_ino = CTFS_INO_CT_DIR(next); 127 numtos(next, odp->d_name); 128 *offp = next; 129 *nextp = next + 1; 130 131 return (0); 132 } 133 134 /* ARGSUSED */ 135 static int 136 ctfs_tdir_do_lookup(vnode_t *vp, const char *nm, vnode_t **vpp, ino64_t *inop, 137 cred_t *cr, int flags, int *deflags, pathname_t *rpnp) 138 { 139 int i; 140 contract_t *ct; 141 142 i = stoi((char **)&nm); 143 if (*nm != '\0') 144 return (ENOENT); 145 146 ct = contract_type_ptr(ct_types[gfs_file_index(vp)], i, 147 VTOZONE(vp)->zone_uniqid); 148 if (ct == NULL) 149 return (ENOENT); 150 151 *vpp = ctfs_create_cdirnode(vp, ct); 152 *inop = gfs_file_inode(*vpp); 153 contract_rele(ct); 154 return (0); 155 } 156 157 const fs_operation_def_t ctfs_tops_tdir[] = { 158 { VOPNAME_OPEN, { .vop_open = ctfs_open } }, 159 { VOPNAME_CLOSE, { .vop_close = ctfs_close } }, 160 { VOPNAME_IOCTL, { .error = fs_inval } }, 161 { VOPNAME_GETATTR, { .vop_getattr = ctfs_tdir_getattr } }, 162 { VOPNAME_ACCESS, { .vop_access = ctfs_access_dir } }, 163 { VOPNAME_READDIR, { .vop_readdir = gfs_vop_readdir } }, 164 { VOPNAME_LOOKUP, { .vop_lookup = gfs_vop_lookup } }, 165 { VOPNAME_SEEK, { .vop_seek = fs_seek } }, 166 { VOPNAME_INACTIVE, { .vop_inactive = gfs_vop_inactive } }, 167 { NULL, NULL } 168 }; 169