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 * CTFS routines for the /system/contract/all vnode. 47 */ 48 49 static int ctfs_adir_do_readdir(vnode_t *, void *, int *, offset_t *, 50 offset_t *, void *, int); 51 static int ctfs_adir_do_lookup(vnode_t *, const char *, vnode_t **, ino64_t *, 52 cred_t *, int, int *, pathname_t *); 53 54 /* 55 * ctfs_create_adirnode 56 */ 57 /* ARGSUSED */ 58 vnode_t * 59 ctfs_create_adirnode(vnode_t *pvp) 60 { 61 vnode_t *vp = gfs_dir_create(sizeof (ctfs_adirnode_t), pvp, 62 ctfs_ops_adir, NULL, NULL, CTFS_NAME_MAX, ctfs_adir_do_readdir, 63 ctfs_adir_do_lookup); 64 65 return (vp); 66 } 67 68 /* 69 * ctfs_adir_getattr - VOP_GETATTR entry point 70 */ 71 /* ARGSUSED */ 72 static int 73 ctfs_adir_getattr( 74 vnode_t *vp, 75 vattr_t *vap, 76 int flags, 77 cred_t *cr, 78 caller_context_t *ct) 79 { 80 int i, total; 81 82 vap->va_type = VDIR; 83 vap->va_mode = 0555; 84 for (i = 0, total = 0; i < ct_ntypes; i++) 85 total += contract_type_count(ct_types[i]); 86 vap->va_nlink = 2; 87 vap->va_size = 2 + total; 88 vap->va_ctime.tv_sec = vp->v_vfsp->vfs_mtime; 89 vap->va_ctime.tv_nsec = 0; 90 vap->va_mtime = vap->va_atime = vap->va_ctime; 91 ctfs_common_getattr(vp, vap); 92 93 return (0); 94 } 95 96 /* ARGSUSED */ 97 static int 98 ctfs_adir_do_lookup(vnode_t *vp, const char *nm, vnode_t **vpp, ino64_t *inop, 99 cred_t *cr, int flags, int *deflags, pathname_t *rpnp) 100 { 101 int i; 102 contract_t *ct; 103 104 i = stoi((char **)&nm); 105 if (*nm != '\0') 106 return (ENOENT); 107 108 ct = contract_ptr(i, VTOZONE(vp)->zone_uniqid); 109 if (ct == NULL) 110 return (ENOENT); 111 112 *vpp = ctfs_create_symnode(vp, ct); 113 *inop = CTFS_INO_CT_LINK(ct->ct_id); 114 contract_rele(ct); 115 116 return (0); 117 } 118 119 /* ARGSUSED */ 120 static int 121 ctfs_adir_do_readdir(vnode_t *vp, void *dp, int *eofp, 122 offset_t *offp, offset_t *nextp, void *unused, int flags) 123 { 124 uint64_t zuniqid; 125 ctid_t next; 126 struct dirent64 *odp = dp; 127 128 ASSERT(!(flags & V_RDDIR_ENTFLAGS)); 129 130 zuniqid = VTOZONE(vp)->zone_uniqid; 131 next = contract_lookup(zuniqid, *offp); 132 133 if (next == -1) { 134 *eofp = 1; 135 return (0); 136 } 137 138 odp->d_ino = CTFS_INO_CT_LINK(next); 139 numtos(next, odp->d_name); 140 *offp = next; 141 *nextp = next + 1; 142 143 return (0); 144 } 145 146 const fs_operation_def_t ctfs_tops_adir[] = { 147 { VOPNAME_OPEN, { .vop_open = ctfs_open } }, 148 { VOPNAME_CLOSE, { .vop_close = ctfs_close } }, 149 { VOPNAME_IOCTL, { .error = fs_inval } }, 150 { VOPNAME_GETATTR, { .vop_getattr = ctfs_adir_getattr } }, 151 { VOPNAME_ACCESS, { .vop_access = ctfs_access_dir } }, 152 { VOPNAME_READDIR, { .vop_readdir = gfs_vop_readdir } }, 153 { VOPNAME_LOOKUP, { .vop_lookup = gfs_vop_lookup } }, 154 { VOPNAME_SEEK, { .vop_seek = fs_seek } }, 155 { VOPNAME_INACTIVE, { .vop_inactive = gfs_vop_inactive } }, 156 { NULL, NULL } 157 }; 158