1 /* $NetBSD: ops_cdfs.c,v 1.3 2009/03/20 20:30:52 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1997-2009 Erez Zadok 5 * Copyright (c) 1990 Jan-Simon Pendry 6 * Copyright (c) 1990 Imperial College of Science, Technology & Medicine 7 * Copyright (c) 1990 The Regents of the University of California. 8 * All rights reserved. 9 * 10 * This code is derived from software contributed to Berkeley by 11 * Jan-Simon Pendry at Imperial College, London. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. All advertising materials mentioning features or use of this software 22 * must display the following acknowledgment: 23 * This product includes software developed by the University of 24 * California, Berkeley and its contributors. 25 * 4. Neither the name of the University nor the names of its contributors 26 * may be used to endorse or promote products derived from this software 27 * without specific prior written permission. 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 30 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 32 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 33 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 35 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 37 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 38 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 39 * SUCH DAMAGE. 40 * 41 * 42 * File: am-utils/amd/ops_cdfs.c 43 * 44 */ 45 46 /* 47 * High Sierra (CD-ROM) file system 48 */ 49 50 #ifdef HAVE_CONFIG_H 51 # include <config.h> 52 #endif /* HAVE_CONFIG_H */ 53 #include <am_defs.h> 54 #include <amd.h> 55 56 /* forward declarations */ 57 static char *cdfs_match(am_opts *fo); 58 static int cdfs_mount(am_node *am, mntfs *mf); 59 static int cdfs_umount(am_node *am, mntfs *mf); 60 61 /* 62 * Ops structure 63 */ 64 am_ops cdfs_ops = 65 { 66 "cdfs", 67 cdfs_match, 68 0, /* cdfs_init */ 69 cdfs_mount, 70 cdfs_umount, 71 amfs_error_lookup_child, 72 amfs_error_mount_child, 73 amfs_error_readdir, 74 0, /* cdfs_readlink */ 75 0, /* cdfs_mounted */ 76 0, /* cdfs_umounted */ 77 amfs_generic_find_srvr, 78 0, /* cdfs_get_wchan */ 79 FS_MKMNT | FS_UBACKGROUND | FS_AMQINFO, /* nfs_fs_flags */ 80 #ifdef HAVE_FS_AUTOFS 81 AUTOFS_CDFS_FS_FLAGS, 82 #endif /* HAVE_FS_AUTOFS */ 83 }; 84 85 86 /* 87 * CDFS needs remote filesystem. 88 */ 89 static char * 90 cdfs_match(am_opts *fo) 91 { 92 if (!fo->opt_dev) { 93 plog(XLOG_USER, "cdfs: no source device specified"); 94 return 0; 95 } 96 dlog("CDFS: mounting device \"%s\" on \"%s\"", 97 fo->opt_dev, fo->opt_fs); 98 99 /* 100 * Determine magic cookie to put in mtab 101 */ 102 return strdup(fo->opt_dev); 103 } 104 105 106 static int 107 mount_cdfs(char *mntdir, char *fs_name, char *opts, int on_autofs) 108 { 109 cdfs_args_t cdfs_args; 110 mntent_t mnt; 111 int genflags, cdfs_flags, retval; 112 113 /* 114 * Figure out the name of the file system type. 115 */ 116 MTYPE_TYPE type = MOUNT_TYPE_CDFS; 117 118 memset((voidp) &cdfs_args, 0, sizeof(cdfs_args)); /* Paranoid */ 119 cdfs_flags = 0; 120 121 /* 122 * Fill in the mount structure 123 */ 124 memset((voidp) &mnt, 0, sizeof(mnt)); 125 mnt.mnt_dir = mntdir; 126 mnt.mnt_fsname = fs_name; 127 mnt.mnt_type = MNTTAB_TYPE_CDFS; 128 mnt.mnt_opts = opts; 129 130 #if defined(MNT2_CDFS_OPT_DEFPERM) && defined(MNTTAB_OPT_DEFPERM) 131 if (amu_hasmntopt(&mnt, MNTTAB_OPT_DEFPERM)) 132 # ifdef MNT2_CDFS_OPT_DEFPERM 133 cdfs_flags |= MNT2_CDFS_OPT_DEFPERM; 134 # else /* not MNT2_CDFS_OPT_DEFPERM */ 135 cdfs_flags &= ~MNT2_CDFS_OPT_NODEFPERM; 136 # endif /* not MNT2_CDFS_OPT_DEFPERM */ 137 #endif /* defined(MNT2_CDFS_OPT_DEFPERM) && defined(MNTTAB_OPT_DEFPERM) */ 138 139 #if defined(MNT2_CDFS_OPT_NODEFPERM) && defined(MNTTAB_OPT_NODEFPERM) 140 if (amu_hasmntopt(&mnt, MNTTAB_OPT_NODEFPERM)) 141 cdfs_flags |= MNT2_CDFS_OPT_NODEFPERM; 142 #endif /* MNTTAB_OPT_NODEFPERM */ 143 144 #if defined(MNT2_CDFS_OPT_NOVERSION) && defined(MNTTAB_OPT_NOVERSION) 145 if (amu_hasmntopt(&mnt, MNTTAB_OPT_NOVERSION)) 146 cdfs_flags |= MNT2_CDFS_OPT_NOVERSION; 147 #endif /* defined(MNT2_CDFS_OPT_NOVERSION) && defined(MNTTAB_OPT_NOVERSION) */ 148 149 #if defined(MNT2_CDFS_OPT_RRIP) && defined(MNTTAB_OPT_RRIP) 150 if (amu_hasmntopt(&mnt, MNTTAB_OPT_RRIP)) 151 cdfs_flags |= MNT2_CDFS_OPT_RRIP; 152 #endif /* defined(MNT2_CDFS_OPT_RRIP) && defined(MNTTAB_OPT_RRIP) */ 153 154 #if defined(MNT2_CDFS_OPT_NORRIP) && defined(MNTTAB_OPT_NORRIP) 155 if (amu_hasmntopt(&mnt, MNTTAB_OPT_NORRIP)) 156 cdfs_flags |= MNT2_CDFS_OPT_NORRIP; 157 #endif /* defined(MNT2_CDFS_OPT_NORRIP) && defined(MNTTAB_OPT_NORRIP) */ 158 159 #if defined(MNT2_CDFS_OPT_GENS) && defined(MNTTAB_OPT_GENS) 160 if (amu_hasmntopt(&mnt, MNTTAB_OPT_GENS)) 161 cdfs_flags |= MNT2_CDFS_OPT_GENS; 162 #endif /* defined(MNT2_CDFS_OPT_GENS) && defined(MNTTAB_OPT_GENS) */ 163 164 #if defined(MNT2_CDFS_OPT_EXTATT) && defined(MNTTAB_OPT_EXTATT) 165 if (amu_hasmntopt(&mnt, MNTTAB_OPT_EXTATT)) 166 cdfs_flags |= MNT2_CDFS_OPT_EXTATT; 167 #endif /* defined(MNT2_CDFS_OPT_EXTATT) && defined(MNTTAB_OPT_EXTATT) */ 168 169 #if defined(MNT2_CDFS_OPT_NOCASETRANS) && defined(MNTTAB_OPT_NOCASETRANS) 170 if (amu_hasmntopt(&mnt, MNTTAB_OPT_NOCASETRANS)) 171 cdfs_flags |= MNT2_CDFS_OPT_NOCASETRANS; 172 #endif /* defined(MNT2_CDFS_OPT_NOCASETRANS) && defined(MNTTAB_OPT_NOCASETRANS) */ 173 174 #if defined(MNT2_CDFS_OPT_NOJOLIET) && defined(MNTTAB_OPT_NOJOLIET) 175 if (amu_hasmntopt(&mnt, MNTTAB_OPT_NOJOLIET)) 176 cdfs_flags |= MNT2_CDFS_OPT_NOJOLIET; 177 #endif /* defined(MNT2_CDFS_OPT_NOJOLIET) && defined(MNTTAB_OPT_NOJOLIET) */ 178 179 #if defined(MNT2_CDFS_OPT_RRCASEINS) && defined(MNTTAB_OPT_RRCASEINS) 180 if (amu_hasmntopt(&mnt, MNTTAB_OPT_RRCASEINS)) 181 cdfs_flags |= MNT2_CDFS_OPT_RRCASEINS; 182 #endif /* defined(MNT2_CDFS_OPT_RRCASEINS) && defined(MNTTAB_OPT_RRCASEINS) */ 183 184 genflags = compute_mount_flags(&mnt); 185 #ifdef HAVE_FS_AUTOFS 186 if (on_autofs) 187 genflags |= autofs_compute_mount_flags(&mnt); 188 #endif /* HAVE_FS_AUTOFS */ 189 190 #ifdef HAVE_CDFS_ARGS_T_FLAGS 191 cdfs_args.flags = cdfs_flags; 192 #endif /* HAVE_CDFS_ARGS_T_FLAGS */ 193 194 #ifdef HAVE_CDFS_ARGS_T_ISO_FLAGS 195 cdfs_args.iso_flags = genflags | cdfs_flags; 196 #endif /* HAVE_CDFS_ARGS_T_ISO_FLAGS */ 197 198 #ifdef HAVE_CDFS_ARGS_T_ISO_PGTHRESH 199 cdfs_args.iso_pgthresh = hasmntval(&mnt, MNTTAB_OPT_PGTHRESH); 200 #endif /* HAVE_CDFS_ARGS_T_ISO_PGTHRESH */ 201 202 #ifdef HAVE_CDFS_ARGS_T_NORRIP 203 /* XXX: need to provide norrip mount opt */ 204 cdfs_args.norrip = 0; /* use Rock-Ridge Protocol extensions */ 205 #endif /* HAVE_CDFS_ARGS_T_NORRIP */ 206 207 #ifdef HAVE_CDFS_ARGS_T_SSECTOR 208 /* XXX: need to provide ssector mount option */ 209 cdfs_args.ssector = 0; /* use 1st session on disk */ 210 #endif /* HAVE_CDFS_ARGS_T_SSECTOR */ 211 212 #ifdef HAVE_CDFS_ARGS_T_FSPEC 213 cdfs_args.fspec = fs_name; 214 #endif /* HAVE_CDFS_ARGS_T_FSPEC */ 215 216 /* 217 * Call generic mount routine 218 */ 219 retval = mount_fs(&mnt, genflags, (caddr_t) &cdfs_args, 0, type, 0, NULL, mnttab_file_name, on_autofs); 220 221 return retval; 222 } 223 224 225 static int 226 cdfs_mount(am_node *am, mntfs *mf) 227 { 228 int on_autofs = mf->mf_flags & MFF_ON_AUTOFS; 229 int error; 230 231 error = mount_cdfs(mf->mf_mount, mf->mf_info, mf->mf_mopts, on_autofs); 232 if (error) { 233 errno = error; 234 plog(XLOG_ERROR, "mount_cdfs: %m"); 235 return error; 236 } 237 return 0; 238 } 239 240 241 static int 242 cdfs_umount(am_node *am, mntfs *mf) 243 { 244 int unmount_flags = (mf->mf_flags & MFF_ON_AUTOFS) ? AMU_UMOUNT_AUTOFS : 0; 245 246 return UMOUNT_FS(mf->mf_mount, mnttab_file_name, unmount_flags); 247 } 248