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 * CTFS routines for the /system/contract/all vnode. 49 */ 50 51 static int ctfs_adir_do_readdir(vnode_t *, void *, int *, offset_t *, 52 offset_t *, void *, int); 53 static int ctfs_adir_do_lookup(vnode_t *, const char *, vnode_t **, ino64_t *, 54 cred_t *); 55 56 /* 57 * ctfs_create_adirnode 58 */ 59 /* ARGSUSED */ 60 vnode_t * 61 ctfs_create_adirnode(vnode_t *pvp) 62 { 63 vnode_t *vp = gfs_dir_create(sizeof (ctfs_adirnode_t), pvp, 64 ctfs_ops_adir, NULL, NULL, CTFS_NAME_MAX, ctfs_adir_do_readdir, 65 ctfs_adir_do_lookup); 66 67 return (vp); 68 } 69 70 /* 71 * ctfs_adir_getattr - VOP_GETATTR entry point 72 */ 73 /* ARGSUSED */ 74 static int 75 ctfs_adir_getattr( 76 vnode_t *vp, 77 vattr_t *vap, 78 int flags, 79 cred_t *cr, 80 caller_context_t *ct) 81 { 82 int i, total; 83 84 vap->va_type = VDIR; 85 vap->va_mode = 0555; 86 for (i = 0, total = 0; i < ct_ntypes; i++) 87 total += contract_type_count(ct_types[i]); 88 vap->va_nlink = 2; 89 vap->va_size = 2 + total; 90 vap->va_ctime.tv_sec = vp->v_vfsp->vfs_mtime; 91 vap->va_ctime.tv_nsec = 0; 92 vap->va_mtime = vap->va_atime = vap->va_ctime; 93 ctfs_common_getattr(vp, vap); 94 95 return (0); 96 } 97 98 /* ARGSUSED */ 99 static int 100 ctfs_adir_do_lookup(vnode_t *vp, const char *nm, vnode_t **vpp, ino64_t *inop, 101 cred_t *cr) 102 { 103 int i; 104 contract_t *ct; 105 106 i = stoi((char **)&nm); 107 if (*nm != '\0') 108 return (ENOENT); 109 110 ct = contract_ptr(i, VTOZONE(vp)->zone_uniqid); 111 if (ct == NULL) 112 return (ENOENT); 113 114 *vpp = ctfs_create_symnode(vp, ct); 115 *inop = CTFS_INO_CT_LINK(ct->ct_id); 116 contract_rele(ct); 117 118 return (0); 119 } 120 121 /* ARGSUSED */ 122 static int 123 ctfs_adir_do_readdir(vnode_t *vp, void *dp, int *eofp, 124 offset_t *offp, offset_t *nextp, void *unused, int flags) 125 { 126 uint64_t zuniqid; 127 ctid_t next; 128 struct dirent64 *odp = dp; 129 130 /* ctfs does not support V_RDDIR_ENTFLAGS */ 131 if (flags & V_RDDIR_ENTFLAGS) 132 return (ENOTSUP); 133 134 zuniqid = VTOZONE(vp)->zone_uniqid; 135 next = contract_lookup(zuniqid, *offp); 136 137 if (next == -1) { 138 *eofp = 1; 139 return (0); 140 } 141 142 odp->d_ino = CTFS_INO_CT_LINK(next); 143 numtos(next, odp->d_name); 144 *offp = next; 145 *nextp = next + 1; 146 147 return (0); 148 } 149 150 const fs_operation_def_t ctfs_tops_adir[] = { 151 { VOPNAME_OPEN, { .vop_open = ctfs_open } }, 152 { VOPNAME_CLOSE, { .vop_close = ctfs_close } }, 153 { VOPNAME_IOCTL, { .error = fs_inval } }, 154 { VOPNAME_GETATTR, { .vop_getattr = ctfs_adir_getattr } }, 155 { VOPNAME_ACCESS, { .vop_access = ctfs_access_dir } }, 156 { VOPNAME_READDIR, { .vop_readdir = gfs_vop_readdir } }, 157 { VOPNAME_LOOKUP, { .vop_lookup = gfs_vop_lookup } }, 158 { VOPNAME_SEEK, { .vop_seek = fs_seek } }, 159 { VOPNAME_INACTIVE, { .vop_inactive = gfs_vop_inactive } }, 160 { NULL, NULL } 161 }; 162