2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1992, 1993, 1994
5 * The Regents of the University of California. All rights reserved.
7 * This code is derived from software contributed to Berkeley
8 * by Pace Willisson (pace@blitz.com). The Rock Ridge Extension
9 * Support code is derived from software contributed to Berkeley
10 * by Atsushi Murai (amurai@spec.co.jp).
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
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.
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
39 #include <sys/param.h>
40 #include <sys/mount.h>
41 #include <sys/module.h>
42 #include <sys/iconv.h>
43 #include <sys/linker.h>
45 #include <arpa/inet.h>
60 static struct mntopt mopts[] = {
66 static gid_t a_gid(const char *);
67 static uid_t a_uid(const char *);
68 static mode_t a_mask(const char *);
69 static int get_ssector(const char *dev);
70 static int set_charset(struct iovec **, int *iovlen, const char *);
74 main(int argc, char **argv)
79 char *dev, *dir, *p, *val, mntpath[MAXPATHLEN];
81 int ssector; /* starting sector, 0 for 1st session */
82 char fstype[] = "cd9660";
86 mntflags = verbose = 0;
89 while ((ch = getopt(argc, argv, "begG:jm:M:o:rs:U:vC:")) != -1)
92 build_iovec(&iov, &iovlen, "brokenjoliet", NULL, (size_t)-1);
95 build_iovec(&iov, &iovlen, "extatt", NULL, (size_t)-1);
98 build_iovec(&iov, &iovlen, "gens", NULL, (size_t)-1);
101 build_iovec_argf(&iov, &iovlen, "gid", "%d", a_gid(optarg));
104 build_iovec_argf(&iov, &iovlen, "mask", "%u", a_mask(optarg));
107 build_iovec_argf(&iov, &iovlen, "dirmask", "%u", a_mask(optarg));
110 build_iovec(&iov, &iovlen, "nojoliet", NULL, (size_t)-1);
113 getmntopts(optarg, mopts, &mntflags, NULL);
114 p = strchr(optarg, '=');
120 build_iovec(&iov, &iovlen, optarg, val, (size_t)-1);
123 build_iovec(&iov, &iovlen, "norrip", NULL, (size_t)-1);
126 ssector = atoi(optarg);
129 build_iovec_argf(&iov, &iovlen, "uid", "%d", a_uid(optarg));
135 if (set_charset(&iov, &iovlen, optarg) == -1)
136 err(EX_OSERR, "cd9660_iconv");
137 build_iovec(&iov, &iovlen, "kiconv", NULL, (size_t)-1);
153 * Resolve the mountpoint with realpath(3) and remove unnecessary
154 * slashes from the devicename if there are any.
156 if (checkpath(dir, mntpath) != 0)
157 err(1, "%s", mntpath);
158 (void)rmslashes(dev, dev);
162 * The start of the session has not been specified on
163 * the command line. If we can successfully read the
164 * TOC of a CD-ROM, use the last data track we find.
165 * Otherwise, just use 0, in order to mount the very
166 * first session. This is compatible with the
167 * historic behaviour of mount_cd9660(8). If the user
168 * has specified -s <ssector> above, we don't get here
169 * and leave the user's will.
171 if ((ssector = get_ssector(dev)) == -1) {
173 printf("could not determine starting sector, "
174 "using very first session\n");
177 printf("using starting sector %d\n", ssector);
179 mntflags |= MNT_RDONLY;
180 build_iovec(&iov, &iovlen, "fstype", fstype, (size_t)-1);
181 build_iovec(&iov, &iovlen, "fspath", mntpath, (size_t)-1);
182 build_iovec(&iov, &iovlen, "from", dev, (size_t)-1);
183 build_iovec_argf(&iov, &iovlen, "ssector", "%d", ssector);
185 if (nmount(iov, iovlen, mntflags) < 0)
193 (void)fprintf(stderr,
194 "usage: mount_cd9660 [-begjrv] [-C charset] [-G gid] [-m mask] [-M mask]\n"
195 " [-o options] [-U uid] [-s startsector] special node\n");
200 get_ssector(const char *dev)
202 struct ioc_toc_header h;
203 struct ioc_read_toc_entry t;
204 struct cd_toc_entry toc_buffer[100];
205 int fd, ntocentries, i;
207 if ((fd = open(dev, O_RDONLY)) == -1)
209 if (ioctl(fd, CDIOREADTOCHEADER, &h) == -1) {
214 ntocentries = h.ending_track - h.starting_track + 1;
215 if (ntocentries > 100) {
216 /* unreasonable, only 100 allowed */
220 t.address_format = CD_LBA_FORMAT;
221 t.starting_track = 0;
222 t.data_len = ntocentries * sizeof(struct cd_toc_entry);
225 if (ioctl(fd, CDIOREADTOCENTRYS, (char *) &t) == -1) {
231 for (i = ntocentries - 1; i >= 0; i--)
232 if ((toc_buffer[i].control & 4) != 0)
233 /* found a data track */
238 return ntohl(toc_buffer[i].addr.lba);
242 set_charset(struct iovec **iov, int *iovlen, const char *localcs)
245 char *cs_disk; /* disk charset for Joliet cs conversion */
246 char *cs_local; /* local charset for Joliet cs conversion */
251 if (modfind("cd9660_iconv") < 0)
252 if (kldload("cd9660_iconv") < 0 || modfind("cd9660_iconv") < 0) {
253 warnx( "cannot find or load \"cd9660_iconv\" kernel module");
257 if ((cs_disk = malloc(ICONV_CSNMAXLEN)) == NULL)
259 if ((cs_local = malloc(ICONV_CSNMAXLEN)) == NULL) {
263 strncpy(cs_disk, ENCODING_UNICODE, ICONV_CSNMAXLEN);
264 strncpy(cs_local, kiconv_quirkcs(localcs, KICONV_VENDOR_MICSFT),
266 error = kiconv_add_xlat16_cspairs(cs_disk, cs_local);
270 build_iovec(iov, iovlen, "cs_disk", cs_disk, (size_t)-1);
271 build_iovec(iov, iovlen, "cs_local", cs_local, (size_t)-1);
283 if ((gr = getgrnam(s)) != NULL)
286 for (gname = s; *s && isdigit(*s); ++s);
290 errx(EX_NOUSER, "unknown group id: %s", gname);
302 if ((pw = getpwnam(s)) != NULL)
305 for (uname = s; *s && isdigit(*s); ++s);
309 errx(EX_NOUSER, "unknown user id: %s", uname);
315 a_mask(const char *s)
322 if (*s >= '0' && *s <= '7') {
324 rv = strtol(optarg, &ep, 8);
326 if (!done || rv < 0 || *ep)
327 errx(EX_USAGE, "invalid file mode: %s", s);