1 /* $OpenBSD: mount_cd9660.c,v 1.23 2022/12/04 23:50:46 cheloha Exp $ */
2 /* $NetBSD: mount_cd9660.c,v 1.3 1996/04/13 01:31:08 jtc Exp $ */
3
4 /*
5 * Copyright (c) 1992, 1993, 1994
6 * The Regents of the University of California. All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley
9 * by Pace Willisson (pace@blitz.com). The Rock Ridge Extension
10 * Support code is derived from software contributed to Berkeley
11 * by Atsushi Murai (amurai@spec.co.jp).
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 * 3. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 */
37
38 #include <sys/types.h>
39 #define CD9660
40 #include <sys/mount.h>
41
42 #include <err.h>
43 #include <errno.h>
44 #include <stdint.h>
45 #include <stdlib.h>
46 #include <stdio.h>
47 #include <string.h>
48 #include <unistd.h>
49 #include <limits.h>
50
51 #include "mntopts.h"
52
53 const struct mntopt mopts[] = {
54 MOPT_STDOPTS,
55 MOPT_UPDATE,
56 { NULL }
57 };
58
59 void usage(void);
60
61 int
main(int argc,char * argv[])62 main(int argc, char *argv[])
63 {
64 struct iso_args args;
65 int ch, mntflags, opts, sess = 0;
66 char *dev, dir[PATH_MAX];
67 const char *errstr;
68
69 mntflags = opts = 0;
70 while ((ch = getopt(argc, argv, "egjo:Rs:")) != -1)
71 switch (ch) {
72 case 'e':
73 opts |= ISOFSMNT_EXTATT;
74 break;
75 case 'g':
76 opts |= ISOFSMNT_GENS;
77 break;
78 case 'j':
79 opts |= ISOFSMNT_NOJOLIET;
80 break;
81 case 'o':
82 getmntopts(optarg, mopts, &mntflags);
83 break;
84 case 'R':
85 opts |= ISOFSMNT_NORRIP;
86 break;
87 case 's':
88 opts |= ISOFSMNT_SESS;
89 sess = strtonum(optarg, 0, INT32_MAX, &errstr);
90 if (errstr)
91 errx(1, "session number is %s: %s", errstr,
92 optarg);
93 break;
94 default:
95 usage();
96 }
97 argc -= optind;
98 argv += optind;
99
100 if (argc != 2)
101 usage();
102
103 dev = argv[0];
104 if (realpath(argv[1], dir) == NULL)
105 err(1, "realpath %s", argv[1]);
106
107 #define DEFAULT_ROOTUID -2
108 args.fspec = dev;
109 args.export_info.ex_root = DEFAULT_ROOTUID;
110
111 mntflags |= MNT_RDONLY;
112 if (mntflags & MNT_RDONLY)
113 args.export_info.ex_flags = MNT_EXRDONLY;
114 else
115 args.export_info.ex_flags = 0;
116 args.flags = opts;
117 args.sess = sess;
118
119 if (mount(MOUNT_CD9660, dir, mntflags, &args) == -1) {
120 if (errno == EOPNOTSUPP)
121 errx(1, "%s: Filesystem not supported by kernel", dir);
122 else
123 err(1, "%s on %s", args.fspec, dir);
124 }
125 exit(0);
126 }
127
128 void
usage(void)129 usage(void)
130 {
131 (void)fprintf(stderr,
132 "usage: mount_cd9660 [-egjR] [-o options] [-s offset] "
133 "special node\n");
134 exit(1);
135 }
136