1 /* $NetBSD: mount_cd9660.c,v 1.35 2024/02/03 15:47:44 wiz Exp $ */ 2 3 /* 4 * Copyright (c) 1992, 1993, 1994 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley 8 * by Pace Willisson (pace (at) blitz.com). The Rock Ridge Extension 9 * Support code is derived from software contributed to Berkeley 10 * by Atsushi Murai (amurai (at) spec.co.jp). 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)mount_cd9660.c 8.7 (Berkeley) 5/1/95 37 */ 38 39 #include <sys/cdefs.h> 40 #ifndef lint 41 __COPYRIGHT("@(#) Copyright (c) 1992, 1993, 1994\ 42 The Regents of the University of California. All rights reserved."); 43 #endif /* not lint */ 44 45 #ifndef lint 46 #if 0 47 static char sccsid[] = "@(#)mount_cd9660.c 8.7 (Berkeley) 5/1/95"; 48 #else 49 __RCSID("$NetBSD: mount_cd9660.c,v 1.35 2024/02/03 15:47:44 wiz Exp $"); 50 #endif 51 #endif /* not lint */ 52 53 #include <sys/param.h> 54 #include <sys/mount.h> 55 56 #include <err.h> 57 #include <stdlib.h> 58 #include <stdio.h> 59 #include <string.h> 60 #include <unistd.h> 61 #include <util.h> 62 63 #include <isofs/cd9660/cd9660_mount.h> 64 65 #include <mntopts.h> 66 67 #include "mountprog.h" 68 #include "mount_cd9660.h" 69 70 static const struct mntopt mopts[] = { 71 MOPT_STDOPTS, 72 MOPT_UPDATE, 73 MOPT_GETARGS, 74 { "extatt", 0, ISOFSMNT_EXTATT, 1 }, 75 { "gens", 0, ISOFSMNT_GENS, 1 }, 76 { "maplcase", 1, ISOFSMNT_NOCASETRANS, 1 }, 77 { "casetrans", 1, ISOFSMNT_NOCASETRANS, 1 }, 78 { "nrr", 0, ISOFSMNT_NORRIP, 1 }, 79 { "rrip", 1, ISOFSMNT_NORRIP, 1 }, 80 { "joliet", 1, ISOFSMNT_NOJOLIET, 1 }, 81 { "rrcaseins", 0, ISOFSMNT_RRCASEINS, 1 }, 82 MOPT_NULL, 83 }; 84 85 __dead static void usage(void); 86 87 #ifndef MOUNT_NOMAIN 88 int 89 main(int argc, char **argv) 90 { 91 92 setprogname(argv[0]); 93 return mount_cd9660(argc, argv); 94 } 95 #endif 96 97 void 98 mount_cd9660_parseargs(int argc, char **argv, 99 struct iso_args *args, int *mntflags, 100 char *canon_dev, char *canon_dir) 101 { 102 struct stat sb; 103 int ch, opts, set_gid, set_uid, set_mask, set_dirmask; 104 mntoptparse_t mp; 105 char *dev, *dir; 106 107 memset(args, 0, sizeof(*args)); 108 *mntflags = opts = set_gid = set_uid = set_mask = set_dirmask = 0; 109 optind = optreset = 1; 110 while ((ch = getopt(argc, argv, "egG:jM:m:o:rU:")) != -1) 111 switch (ch) { 112 case 'e': 113 /* obsolete, retained for compatibility only, use 114 * -o extatt */ 115 opts |= ISOFSMNT_EXTATT; 116 break; 117 case 'g': 118 /* obsolete, retained for compatibility only, use 119 * -o gens */ 120 opts |= ISOFSMNT_GENS; 121 break; 122 case 'G': 123 opts |= ISOFSMNT_GID; 124 args->gid = a_gid(optarg); 125 set_gid = 1; 126 break; 127 case 'm': 128 args->fmask = a_mask(optarg); 129 set_mask = 1; 130 break; 131 case 'M': 132 args->dmask = a_mask(optarg); 133 set_dirmask = 1; 134 break; 135 case 'j': 136 /* obsolete, retained fo compatibility only, use 137 * -o nojoliet */ 138 opts |= ISOFSMNT_NOJOLIET; 139 break; 140 case 'o': 141 mp = getmntopts(optarg, mopts, mntflags, &opts); 142 if (mp == NULL) 143 err(1, "getmntopts"); 144 freemntopts(mp); 145 break; 146 case 'r': 147 /* obsolete, retained for compatibility only, use 148 * -o norrip */ 149 opts |= ISOFSMNT_NORRIP; 150 break; 151 case 'U': 152 opts |= ISOFSMNT_UID; 153 args->uid = a_uid(optarg); 154 set_uid = 1; 155 break; 156 case '?': 157 default: 158 usage(); 159 } 160 161 argc -= optind; 162 argv += optind; 163 164 if (argc != 2) 165 usage(); 166 167 if (set_mask && !set_dirmask) { 168 args->dmask = args->fmask; 169 set_dirmask = 1; 170 } else if (set_dirmask && !set_mask) { 171 args->fmask = args->dmask; 172 set_mask = 1; 173 } 174 175 dev = argv[0]; 176 dir = argv[1]; 177 178 pathadj(dev, canon_dev); 179 pathadj(dir, canon_dir); 180 181 #define DEFAULT_ROOTUID -2 182 /* 183 * ISO 9660 filesystems are not writable. 184 */ 185 if ((*mntflags & MNT_GETARGS) == 0) 186 *mntflags |= MNT_RDONLY; 187 args->fspec = canon_dev; 188 args->flags = opts; 189 190 if (!set_gid || !set_uid || !set_mask) { 191 if (stat(dir, &sb) == -1) 192 err(1, "stat %s", dir); 193 194 if (!set_uid) 195 args->uid = sb.st_uid; 196 if (!set_gid) 197 args->gid = sb.st_gid; 198 if (!set_mask) { 199 args->fmask = args->dmask = 200 sb.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO); 201 } 202 } 203 } 204 205 int 206 mount_cd9660(int argc, char **argv) 207 { 208 struct iso_args args; 209 char canon_dev[MAXPATHLEN], canon_dir[MAXPATHLEN]; 210 int mntflags; 211 212 mount_cd9660_parseargs(argc, argv, &args, &mntflags, 213 canon_dev, canon_dir); 214 215 if (mount(MOUNT_CD9660, canon_dir, mntflags, &args, sizeof args) == -1) 216 err(1, "%s on %s", canon_dev, canon_dir); 217 if (mntflags & MNT_GETARGS) { 218 char buf[2048]; 219 (void)snprintb(buf, sizeof(buf), ISOFSMNT_BITS, args.flags); 220 printf("%s\n", buf); 221 } 222 223 exit(0); 224 /* NOTREACHED */ 225 } 226 227 static void 228 usage(void) 229 { 230 (void)fprintf(stderr, 231 "usage: %s [-G gid] [-M mask] [-m mask] [-o options] [-U uid] special node\n", getprogname()); 232 exit(1); 233 } 234
Indexes created Tue Sep 30 17:09:57 GMT 2025