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 * 3. 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
35 * $FreeBSD: src/sbin/mount_cd9660/mount_cd9660.c,v 1.15.2.3 2001/03/14 12:05:01 bp Exp $
39 #include <sys/param.h>
40 #include <sys/mount.h>
41 #include <sys/iconv.h>
42 #include <sys/linker.h>
43 #include <sys/module.h>
44 #include <vfs/isofs/cd9660/cd9660_mount.h>
60 struct mntopt mopts[] = {
63 { "extatt", 0, ISOFSMNT_EXTATT, 1 },
64 { "gens", 0, ISOFSMNT_GENS, 1 },
65 { "rrip", 1, ISOFSMNT_NORRIP, 1 },
66 { "joliet", 1, ISOFSMNT_NOJOLIET, 1 },
67 { "strictjoliet", 1, ISOFSMNT_BROKENJOLIET, 1 },
71 static gid_t a_gid(const char *);
72 static uid_t a_uid(const char *);
73 static mode_t a_mask(const char *);
74 static int set_charset(struct iso_args *args, const char *cs_local);
75 static int get_ssector(const char *dev);
76 static void usage(void);
79 main(int argc, char **argv)
83 int ch, mntflags, opts, set_mask, set_dirmask;
84 char *dev, *dir, mntpath[MAXPATHLEN];
89 mntflags = opts = set_mask = set_dirmask = verbose = 0;
90 memset(&args, 0, sizeof args);
92 while ((ch = getopt(argc, argv, "bC:egG:jm:M:o:rs:U:v")) != -1)
95 opts |= ISOFSMNT_BROKENJOLIET;
98 cs_local = kiconv_quirkcs(optarg, KICONV_VENDOR_MICSFT);
99 if (set_charset(&args, cs_local) == -1)
100 err(EX_OSERR, "cd9660_iconv");
101 opts |= ISOFSMNT_KICONV;
104 opts |= ISOFSMNT_EXTATT;
107 opts |= ISOFSMNT_GENS;
110 opts |= ISOFSMNT_GID;
111 args.gid = a_gid(optarg);
114 opts |= ISOFSMNT_NOJOLIET;
117 args.fmask = a_mask(optarg);
121 args.dmask = a_mask(optarg);
125 getmntopts(optarg, mopts, &mntflags, &opts);
128 opts |= ISOFSMNT_NORRIP;
131 args.ssector = atoi(optarg);
134 opts |= ISOFSMNT_UID;
135 args.uid = a_uid(optarg);
150 if (set_mask && !set_dirmask) {
151 args.dmask = args.fmask;
153 } else if (set_dirmask && !set_mask) {
154 args.fmask = args.dmask;
162 * Resolve the mountpoint with realpath(3) and remove unnecessary
163 * slashes from the devicename if there are any.
165 checkpath(dir, mntpath);
168 #define DEFAULT_ROOTUID -2
170 * ISO 9660 filesystems are not writeable.
172 mntflags |= MNT_RDONLY;
173 args.export.ex_flags = MNT_EXRDONLY;
175 args.export.ex_root = DEFAULT_ROOTUID;
178 if (args.ssector == -1) {
180 * The start of the session has not been specified on
181 * the command line. If we can successfully read the
182 * TOC of a CD-ROM, use the last data track we find.
183 * Otherwise, just use 0, in order to mount the very
184 * first session. This is compatible with the
185 * historic behaviour of mount_cd9660(8). If the user
186 * has specified -s <ssector> above, we don't get here
187 * and leave the user's will.
189 if ((args.ssector = get_ssector(dev)) == -1) {
191 printf("could not determine starting sector, "
192 "using very first session\n");
195 printf("using starting sector %d\n", args.ssector);
199 if (stat(mntpath, &sb) == -1)
200 err(EX_OSERR, "stat %s", mntpath);
201 args.fmask = args.dmask =
202 sb.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
205 error = getvfsbyname("cd9660", &vfc);
206 if (error && vfsisloadable("cd9660")) {
207 if (vfsload("cd9660"))
208 err(EX_OSERR, "vfsload(cd9660)");
209 endvfsent(); /* flush cache */
210 error = getvfsbyname("cd9660", &vfc);
213 errx(1, "cd9660 filesystem is not available");
215 if (mount(vfc.vfc_name, mntpath, mntflags, &args) < 0)
216 err(1, "%s", args.fspec);
221 set_charset(struct iso_args *args, const char *cs_local)
223 if (modfind("cd9660_iconv") < 0) {
224 if (kldload("cd9660_iconv") < 0 ||
225 modfind("cd9660_iconv") < 0) {
226 warnx("cannot find or load \"cd9660_iconv\" "
232 snprintf(args->cs_disk, sizeof(args->cs_disk), "%s", ENCODING_UNICODE);
233 snprintf(args->cs_local, sizeof(args->cs_local), "%s", cs_local);
234 if (kiconv_add_xlat16_cspairs(args->cs_disk, args->cs_local) != 0)
244 "usage: mount_cd9660 [-begjrv] [-C charset] [-G gid] [-m mask]\n"
245 " [-M mask] [-o options] [-s startsector]\n"
246 " [-U uid] special_node\n");
251 get_ssector(const char *dev)
253 struct ioc_toc_header h;
254 struct ioc_read_toc_entry t;
255 struct cd_toc_entry toc_buffer[100];
256 int fd, ntocentries, i;
258 if ((fd = open(dev, O_RDONLY)) == -1)
260 if (ioctl(fd, CDIOREADTOCHEADER, &h) == -1) {
265 ntocentries = h.ending_track - h.starting_track + 1;
266 if (ntocentries > 100) {
267 /* unreasonable, only 100 allowed */
271 t.address_format = CD_LBA_FORMAT;
272 t.starting_track = 0;
273 t.data_len = ntocentries * sizeof(struct cd_toc_entry);
276 if (ioctl(fd, CDIOREADTOCENTRYS, (char *) &t) == -1) {
282 for (i = ntocentries - 1; i >= 0; i--)
283 if ((toc_buffer[i].control & 4) != 0)
284 /* found a data track */
289 return ntohl(toc_buffer[i].addr.lba);
299 if ((gr = getgrnam(s)) != NULL) {
302 for (gname = s; *s && isdigit(*s); ++s)
307 errx(EX_NOUSER, "unknown group id: %s", gname);
319 if ((pw = getpwnam(s)) != NULL) {
322 for (uname = s; *s && isdigit(*s); ++s)
327 errx(EX_NOUSER, "unknown user id: %s", uname);
333 a_mask(const char *s)
340 if (*s >= '0' && *s <= '7') {
342 rv = strtol(optarg, &ep, 8);
344 if (!done || rv < 0 || *ep)
345 errx(EX_USAGE, "invalid file mode: %s", s);