1/*
2 * Copyright (c) 1992, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
4 *
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).
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
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. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the University of
21 * California, Berkeley and its contributors.
22 * 4. Neither the name of the University nor the names of its contributors
23 * may be used to endorse or promote products derived from this software
24 * without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 *
38 * @(#)mount_cd9660.c 8.7 (Berkeley) 5/1/95
39 */
40
41#ifndef lint
42static const char copyright[] =
43"@(#) Copyright (c) 1992, 1993, 1994\n\
44 The Regents of the University of California. All rights reserved.\n";
45#endif /* not lint */
46
47#ifndef lint
48/*
49static char sccsid[] = "@(#)mount_cd9660.c 8.7 (Berkeley) 5/1/95";
50*/
51static const char rcsid[] =
| 1/*
2 * Copyright (c) 1992, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
4 *
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).
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
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. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the University of
21 * California, Berkeley and its contributors.
22 * 4. Neither the name of the University nor the names of its contributors
23 * may be used to endorse or promote products derived from this software
24 * without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 *
38 * @(#)mount_cd9660.c 8.7 (Berkeley) 5/1/95
39 */
40
41#ifndef lint
42static const char copyright[] =
43"@(#) Copyright (c) 1992, 1993, 1994\n\
44 The Regents of the University of California. All rights reserved.\n";
45#endif /* not lint */
46
47#ifndef lint
48/*
49static char sccsid[] = "@(#)mount_cd9660.c 8.7 (Berkeley) 5/1/95";
50*/
51static const char rcsid[] =
|
53#endif /* not lint */
54
55#include <sys/cdio.h>
56#include <sys/file.h>
57#include <sys/param.h>
58#include <sys/mount.h>
59#include <sys/../isofs/cd9660/cd9660_mount.h>
60#include <sys/module.h>
61#include <sys/iconv.h>
62#include <sys/linker.h>
63
64#include <arpa/inet.h>
65
66#include <err.h>
67#include <errno.h>
68#include <stdlib.h>
69#include <stdio.h>
70#include <string.h>
71#include <sysexits.h>
72#include <unistd.h>
73
74#include "mntopts.h"
75
76struct mntopt mopts[] = {
77 MOPT_STDOPTS,
78 MOPT_UPDATE,
79 { "extatt", 0, ISOFSMNT_EXTATT, 1 },
80 { "gens", 0, ISOFSMNT_GENS, 1 },
81 { "rrip", 1, ISOFSMNT_NORRIP, 1 },
82 { "joliet", 1, ISOFSMNT_NOJOLIET, 1 },
83 { "strictjoliet", 1, ISOFSMNT_BROKENJOLIET, 1 },
84 { NULL }
85};
86
87int get_ssector(const char *dev);
88int set_charset(struct iso_args *, const char *);
89void usage(void);
90
91int
92main(int argc, char **argv)
93{
94 struct iso_args args;
95 int ch, mntflags, opts;
96 char *dev, *dir, mntpath[MAXPATHLEN];
97 int verbose;
98
99 mntflags = opts = verbose = 0;
100 memset(&args, 0, sizeof args);
101 args.ssector = -1;
102 args.cs_disk = NULL;
103 args.cs_local = NULL;
104 while ((ch = getopt(argc, argv, "begjo:rs:vC:")) != -1)
105 switch (ch) {
106 case 'b':
107 opts |= ISOFSMNT_BROKENJOLIET;
108 break;
109 case 'e':
110 opts |= ISOFSMNT_EXTATT;
111 break;
112 case 'g':
113 opts |= ISOFSMNT_GENS;
114 break;
115 case 'j':
116 opts |= ISOFSMNT_NOJOLIET;
117 break;
118 case 'o':
119 getmntopts(optarg, mopts, &mntflags, &opts);
120 break;
121 case 'r':
122 opts |= ISOFSMNT_NORRIP;
123 break;
124 case 's':
125 args.ssector = atoi(optarg);
126 break;
127 case 'v':
128 verbose++;
129 break;
130 case 'C':
131 if (set_charset(&args, optarg) == -1)
132 err(EX_OSERR, "cd9660_iconv");
133 opts |= ISOFSMNT_KICONV;
134 break;
135 case '?':
136 default:
137 usage();
138 }
139 argc -= optind;
140 argv += optind;
141
142 if (argc != 2)
143 usage();
144
145 dev = argv[0];
146 dir = argv[1];
147
148 /*
149 * Resolve the mountpoint with realpath(3) and remove unnecessary
150 * slashes from the devicename if there are any.
151 */
152 (void)checkpath(dir, mntpath);
153 (void)rmslashes(dev, dev);
154
155#define DEFAULT_ROOTUID -2
156 /*
157 * ISO 9660 file systems are not writeable.
158 */
159 mntflags |= MNT_RDONLY;
160 args.export.ex_flags = MNT_EXRDONLY;
161 args.fspec = dev;
162 args.export.ex_root = DEFAULT_ROOTUID;
163 args.flags = opts;
164
165 if (args.ssector == -1) {
166 /*
167 * The start of the session has not been specified on
168 * the command line. If we can successfully read the
169 * TOC of a CD-ROM, use the last data track we find.
170 * Otherwise, just use 0, in order to mount the very
171 * first session. This is compatible with the
172 * historic behaviour of mount_cd9660(8). If the user
173 * has specified -s <ssector> above, we don't get here
174 * and leave the user's will.
175 */
176 if ((args.ssector = get_ssector(dev)) == -1) {
177 if (verbose)
178 printf("could not determine starting sector, "
179 "using very first session\n");
180 args.ssector = 0;
181 } else if (verbose)
182 printf("using starting sector %d\n", args.ssector);
183 }
184
185 if (mount("cd9660", mntpath, mntflags, &args) < 0)
186 err(1, "%s", args.fspec);
187 exit(0);
188}
189
190void
191usage(void)
192{
193 (void)fprintf(stderr,
194 "usage: mount_cd9660 [-egrv] [-o options] [-s startsector] [-C charset ] special node\n");
195 exit(EX_USAGE);
196}
197
198int
199get_ssector(const char *dev)
200{
201 struct ioc_toc_header h;
202 struct ioc_read_toc_entry t;
203 struct cd_toc_entry toc_buffer[100];
204 int fd, ntocentries, i;
205
206 if ((fd = open(dev, O_RDONLY)) == -1)
207 return -1;
208 if (ioctl(fd, CDIOREADTOCHEADER, &h) == -1) {
209 close(fd);
210 return -1;
211 }
212
213 ntocentries = h.ending_track - h.starting_track + 1;
214 if (ntocentries > 100) {
215 /* unreasonable, only 100 allowed */
216 close(fd);
217 return -1;
218 }
219 t.address_format = CD_LBA_FORMAT;
220 t.starting_track = 0;
221 t.data_len = ntocentries * sizeof(struct cd_toc_entry);
222 t.data = toc_buffer;
223
224 if (ioctl(fd, CDIOREADTOCENTRYS, (char *) &t) == -1) {
225 close(fd);
226 return -1;
227 }
228 close(fd);
229
230 for (i = ntocentries - 1; i >= 0; i--)
231 if ((toc_buffer[i].control & 4) != 0)
232 /* found a data track */
233 break;
234 if (i < 0)
235 return -1;
236
237 return ntohl(toc_buffer[i].addr.lba);
238}
239
240int
241set_charset(struct iso_args *args, const char *localcs)
242{
243 int error;
244
245 if (modfind("cd9660_iconv") < 0)
246 if (kldload("cd9660_iconv") < 0 || modfind("cd9660_iconv") < 0) {
247 warnx( "cannot find or load \"cd9660_iconv\" kernel module");
248 return (-1);
249 }
250
251 if ((args->cs_disk = malloc(ICONV_CSNMAXLEN)) == NULL)
252 return (-1);
253 if ((args->cs_local = malloc(ICONV_CSNMAXLEN)) == NULL)
254 return (-1);
255 strncpy(args->cs_disk, ENCODING_UNICODE, ICONV_CSNMAXLEN);
256 strncpy(args->cs_local, kiconv_quirkcs(localcs, KICONV_VENDOR_MICSFT),
257 ICONV_CSNMAXLEN);
| 53#endif /* not lint */
54
55#include <sys/cdio.h>
56#include <sys/file.h>
57#include <sys/param.h>
58#include <sys/mount.h>
59#include <sys/../isofs/cd9660/cd9660_mount.h>
60#include <sys/module.h>
61#include <sys/iconv.h>
62#include <sys/linker.h>
63
64#include <arpa/inet.h>
65
66#include <err.h>
67#include <errno.h>
68#include <stdlib.h>
69#include <stdio.h>
70#include <string.h>
71#include <sysexits.h>
72#include <unistd.h>
73
74#include "mntopts.h"
75
76struct mntopt mopts[] = {
77 MOPT_STDOPTS,
78 MOPT_UPDATE,
79 { "extatt", 0, ISOFSMNT_EXTATT, 1 },
80 { "gens", 0, ISOFSMNT_GENS, 1 },
81 { "rrip", 1, ISOFSMNT_NORRIP, 1 },
82 { "joliet", 1, ISOFSMNT_NOJOLIET, 1 },
83 { "strictjoliet", 1, ISOFSMNT_BROKENJOLIET, 1 },
84 { NULL }
85};
86
87int get_ssector(const char *dev);
88int set_charset(struct iso_args *, const char *);
89void usage(void);
90
91int
92main(int argc, char **argv)
93{
94 struct iso_args args;
95 int ch, mntflags, opts;
96 char *dev, *dir, mntpath[MAXPATHLEN];
97 int verbose;
98
99 mntflags = opts = verbose = 0;
100 memset(&args, 0, sizeof args);
101 args.ssector = -1;
102 args.cs_disk = NULL;
103 args.cs_local = NULL;
104 while ((ch = getopt(argc, argv, "begjo:rs:vC:")) != -1)
105 switch (ch) {
106 case 'b':
107 opts |= ISOFSMNT_BROKENJOLIET;
108 break;
109 case 'e':
110 opts |= ISOFSMNT_EXTATT;
111 break;
112 case 'g':
113 opts |= ISOFSMNT_GENS;
114 break;
115 case 'j':
116 opts |= ISOFSMNT_NOJOLIET;
117 break;
118 case 'o':
119 getmntopts(optarg, mopts, &mntflags, &opts);
120 break;
121 case 'r':
122 opts |= ISOFSMNT_NORRIP;
123 break;
124 case 's':
125 args.ssector = atoi(optarg);
126 break;
127 case 'v':
128 verbose++;
129 break;
130 case 'C':
131 if (set_charset(&args, optarg) == -1)
132 err(EX_OSERR, "cd9660_iconv");
133 opts |= ISOFSMNT_KICONV;
134 break;
135 case '?':
136 default:
137 usage();
138 }
139 argc -= optind;
140 argv += optind;
141
142 if (argc != 2)
143 usage();
144
145 dev = argv[0];
146 dir = argv[1];
147
148 /*
149 * Resolve the mountpoint with realpath(3) and remove unnecessary
150 * slashes from the devicename if there are any.
151 */
152 (void)checkpath(dir, mntpath);
153 (void)rmslashes(dev, dev);
154
155#define DEFAULT_ROOTUID -2
156 /*
157 * ISO 9660 file systems are not writeable.
158 */
159 mntflags |= MNT_RDONLY;
160 args.export.ex_flags = MNT_EXRDONLY;
161 args.fspec = dev;
162 args.export.ex_root = DEFAULT_ROOTUID;
163 args.flags = opts;
164
165 if (args.ssector == -1) {
166 /*
167 * The start of the session has not been specified on
168 * the command line. If we can successfully read the
169 * TOC of a CD-ROM, use the last data track we find.
170 * Otherwise, just use 0, in order to mount the very
171 * first session. This is compatible with the
172 * historic behaviour of mount_cd9660(8). If the user
173 * has specified -s <ssector> above, we don't get here
174 * and leave the user's will.
175 */
176 if ((args.ssector = get_ssector(dev)) == -1) {
177 if (verbose)
178 printf("could not determine starting sector, "
179 "using very first session\n");
180 args.ssector = 0;
181 } else if (verbose)
182 printf("using starting sector %d\n", args.ssector);
183 }
184
185 if (mount("cd9660", mntpath, mntflags, &args) < 0)
186 err(1, "%s", args.fspec);
187 exit(0);
188}
189
190void
191usage(void)
192{
193 (void)fprintf(stderr,
194 "usage: mount_cd9660 [-egrv] [-o options] [-s startsector] [-C charset ] special node\n");
195 exit(EX_USAGE);
196}
197
198int
199get_ssector(const char *dev)
200{
201 struct ioc_toc_header h;
202 struct ioc_read_toc_entry t;
203 struct cd_toc_entry toc_buffer[100];
204 int fd, ntocentries, i;
205
206 if ((fd = open(dev, O_RDONLY)) == -1)
207 return -1;
208 if (ioctl(fd, CDIOREADTOCHEADER, &h) == -1) {
209 close(fd);
210 return -1;
211 }
212
213 ntocentries = h.ending_track - h.starting_track + 1;
214 if (ntocentries > 100) {
215 /* unreasonable, only 100 allowed */
216 close(fd);
217 return -1;
218 }
219 t.address_format = CD_LBA_FORMAT;
220 t.starting_track = 0;
221 t.data_len = ntocentries * sizeof(struct cd_toc_entry);
222 t.data = toc_buffer;
223
224 if (ioctl(fd, CDIOREADTOCENTRYS, (char *) &t) == -1) {
225 close(fd);
226 return -1;
227 }
228 close(fd);
229
230 for (i = ntocentries - 1; i >= 0; i--)
231 if ((toc_buffer[i].control & 4) != 0)
232 /* found a data track */
233 break;
234 if (i < 0)
235 return -1;
236
237 return ntohl(toc_buffer[i].addr.lba);
238}
239
240int
241set_charset(struct iso_args *args, const char *localcs)
242{
243 int error;
244
245 if (modfind("cd9660_iconv") < 0)
246 if (kldload("cd9660_iconv") < 0 || modfind("cd9660_iconv") < 0) {
247 warnx( "cannot find or load \"cd9660_iconv\" kernel module");
248 return (-1);
249 }
250
251 if ((args->cs_disk = malloc(ICONV_CSNMAXLEN)) == NULL)
252 return (-1);
253 if ((args->cs_local = malloc(ICONV_CSNMAXLEN)) == NULL)
254 return (-1);
255 strncpy(args->cs_disk, ENCODING_UNICODE, ICONV_CSNMAXLEN);
256 strncpy(args->cs_local, kiconv_quirkcs(localcs, KICONV_VENDOR_MICSFT),
257 ICONV_CSNMAXLEN);
|