2 * Copyright (c) 1992, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley
6 * by Pace Willisson (pace@blitz.com). The Rock Ridge Extension
7 * Support code is derived from software contributed to Berkeley
8 * by Atsushi Murai (amurai@spec.co.jp).
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 4. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * @(#)mount_cd9660.c 8.7 (Berkeley) 5/1/95
38 static const char copyright[] =
39 "@(#) Copyright (c) 1992, 1993, 1994\n\
40 The Regents of the University of California. All rights reserved.\n";
45 static char sccsid[] = "@(#)mount_cd9660.c 8.7 (Berkeley) 5/1/95";
47 static const char rcsid[] =
53 #include <sys/param.h>
54 #include <sys/mount.h>
55 #include <sys/module.h>
56 #include <sys/iconv.h>
57 #include <sys/linker.h>
59 #include <arpa/inet.h>
71 struct mntopt mopts[] = {
77 static int get_ssector(const char *dev);
78 static int set_charset(struct iovec **, int *iovlen, const char *);
82 main(int argc, char **argv)
86 int ch, mntflags, opts;
87 char *dev, *dir, *p, *val, mntpath[MAXPATHLEN];
89 int ssector; /* starting sector, 0 for 1st session */
90 char fstype[] = "cd9660";
94 mntflags = opts = verbose = 0;
97 while ((ch = getopt(argc, argv, "begjo:rs:vC:")) != -1)
100 build_iovec(&iov, &iovlen, "brokenjoliet", NULL, (size_t)-1);
103 build_iovec(&iov, &iovlen, "extatt", NULL, (size_t)-1);
106 build_iovec(&iov, &iovlen, "gens", NULL, (size_t)-1);
109 build_iovec(&iov, &iovlen, "nojoliet", NULL, (size_t)-1);
112 getmntopts(optarg, mopts, &mntflags, &opts);
113 p = strchr(optarg, '=');
119 build_iovec(&iov, &iovlen, optarg, val, (size_t)-1);
122 build_iovec(&iov, &iovlen, "norrip", NULL, (size_t)-1);
125 ssector = atoi(optarg);
131 if (set_charset(&iov, &iovlen, optarg) == -1)
132 err(EX_OSERR, "cd9660_iconv");
133 build_iovec(&iov, &iovlen, "kiconv", NULL, (size_t)-1);
149 * Resolve the mountpoint with realpath(3) and remove unnecessary
150 * slashes from the devicename if there are any.
152 (void)checkpath(dir, mntpath);
153 (void)rmslashes(dev, dev);
157 * The start of the session has not been specified on
158 * the command line. If we can successfully read the
159 * TOC of a CD-ROM, use the last data track we find.
160 * Otherwise, just use 0, in order to mount the very
161 * first session. This is compatible with the
162 * historic behaviour of mount_cd9660(8). If the user
163 * has specified -s <ssector> above, we don't get here
164 * and leave the user's will.
166 if ((ssector = get_ssector(dev)) == -1) {
168 printf("could not determine starting sector, "
169 "using very first session\n");
172 printf("using starting sector %d\n", ssector);
174 mntflags |= MNT_RDONLY;
175 build_iovec(&iov, &iovlen, "fstype", fstype, (size_t)-1);
176 build_iovec(&iov, &iovlen, "fspath", mntpath, (size_t)-1);
177 build_iovec(&iov, &iovlen, "from", dev, (size_t)-1);
178 build_iovec_argf(&iov, &iovlen, "ssector", "%d", ssector);
180 if (nmount(iov, iovlen, mntflags) < 0)
188 (void)fprintf(stderr,
189 "usage: mount_cd9660 [-begjrv] [-C charset] [-o options] [-s startsector]\n"
195 get_ssector(const char *dev)
197 struct ioc_toc_header h;
198 struct ioc_read_toc_entry t;
199 struct cd_toc_entry toc_buffer[100];
200 int fd, ntocentries, i;
202 if ((fd = open(dev, O_RDONLY)) == -1)
204 if (ioctl(fd, CDIOREADTOCHEADER, &h) == -1) {
209 ntocentries = h.ending_track - h.starting_track + 1;
210 if (ntocentries > 100) {
211 /* unreasonable, only 100 allowed */
215 t.address_format = CD_LBA_FORMAT;
216 t.starting_track = 0;
217 t.data_len = ntocentries * sizeof(struct cd_toc_entry);
220 if (ioctl(fd, CDIOREADTOCENTRYS, (char *) &t) == -1) {
226 for (i = ntocentries - 1; i >= 0; i--)
227 if ((toc_buffer[i].control & 4) != 0)
228 /* found a data track */
233 return ntohl(toc_buffer[i].addr.lba);
237 set_charset(struct iovec **iov, int *iovlen, const char *localcs)
240 char *cs_disk; /* disk charset for Joliet cs conversion */
241 char *cs_local; /* local charset for Joliet cs conversion */
246 if (modfind("cd9660_iconv") < 0)
247 if (kldload("cd9660_iconv") < 0 || modfind("cd9660_iconv") < 0) {
248 warnx( "cannot find or load \"cd9660_iconv\" kernel module");
252 if ((cs_disk = malloc(ICONV_CSNMAXLEN)) == NULL)
254 if ((cs_local = malloc(ICONV_CSNMAXLEN)) == NULL) {
258 strncpy(cs_disk, ENCODING_UNICODE, ICONV_CSNMAXLEN);
259 strncpy(cs_local, kiconv_quirkcs(localcs, KICONV_VENDOR_MICSFT),
261 error = kiconv_add_xlat16_cspairs(cs_disk, cs_local);
265 build_iovec(iov, iovlen, "cs_disk", cs_disk, (size_t)-1);
266 build_iovec(iov, iovlen, "cs_local", cs_local, (size_t)-1);