1 /* $NetBSD: mount_ffs.c,v 1.30 2021/09/18 03:05:20 christos Exp $ */
2
3 /*-
4 * Copyright (c) 1993, 1994
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 #ifndef lint
34 __COPYRIGHT("@(#) Copyright (c) 1993, 1994\
35 The Regents of the University of California. All rights reserved.");
36 #endif /* not lint */
37
38 #ifndef lint
39 #if 0
40 static char sccsid[] = "@(#)mount_ufs.c 8.4 (Berkeley) 4/26/95";
41 #else
42 __RCSID("$NetBSD: mount_ffs.c,v 1.30 2021/09/18 03:05:20 christos Exp $");
43 #endif
44 #endif /* not lint */
45
46 #include <sys/param.h>
47 #include <sys/mount.h>
48 #include <ufs/ufs/ufsmount.h>
49
50 #include <err.h>
51 #include <errno.h>
52 #include <stdio.h>
53 #include <stdlib.h>
54
55 #include <string.h>
56 #include <unistd.h>
57
58 #include <mntopts.h>
59
60 #include "mountprog.h"
61 #include "mount_ffs.h"
62
63 __dead static void ffs_usage(void);
64
65 static const struct mntopt mopts[] = {
66 MOPT_STDOPTS,
67 MOPT_NFS4ACLS,
68 MOPT_POSIX1EACLS,
69 MOPT_ASYNC,
70 MOPT_SYNC,
71 MOPT_UPDATE,
72 MOPT_RELOAD,
73 MOPT_NOATIME,
74 MOPT_NODEVMTIME,
75 MOPT_FORCE,
76 MOPT_SOFTDEP,
77 MOPT_LOG,
78 MOPT_GETARGS,
79 MOPT_EXTATTR,
80 MOPT_DISCARD,
81 MOPT_NULL,
82 };
83
84 #ifndef MOUNT_NOMAIN
85 int
main(int argc,char ** argv)86 main(int argc, char **argv)
87 {
88
89 setprogname(argv[0]);
90 return mount_ffs(argc, argv);
91 }
92 #endif
93
94 void
mount_ffs_parseargs(int argc,char * argv[],struct ufs_args * args,int * mntflags,char * canon_dev,char * canon_dir)95 mount_ffs_parseargs(int argc, char *argv[],
96 struct ufs_args *args, int *mntflags,
97 char *canon_dev, char *canon_dir)
98 {
99 int ch;
100 mntoptparse_t mp;
101
102 memset(args, 0, sizeof(*args));
103 *mntflags = 0;
104 optind = optreset = 1; /* Reset for parse of new argv. */
105 while ((ch = getopt(argc, argv, "o:")) != -1)
106 switch (ch) {
107 case 'o':
108 mp = getmntopts(optarg, mopts, mntflags, 0);
109 if (mp == NULL)
110 err(1, "getmntopts");
111 freemntopts(mp);
112 break;
113 case '?':
114 default:
115 ffs_usage();
116 }
117 argc -= optind;
118 argv += optind;
119
120 if (argc != 2)
121 ffs_usage();
122
123 pathadj(argv[0], canon_dev);
124 args->fspec = canon_dev;
125
126 pathadj(argv[1], canon_dir);
127 }
128
129 int
mount_ffs(int argc,char * argv[])130 mount_ffs(int argc, char *argv[])
131 {
132 char fs_name[MAXPATHLEN], canon_dev[MAXPATHLEN];
133 struct ufs_args args;
134 const char *errcause;
135 int mntflags;
136
137 mount_ffs_parseargs(argc, argv, &args, &mntflags, canon_dev, fs_name);
138
139 if (mount(MOUNT_FFS, fs_name, mntflags, &args, sizeof args) == -1) {
140 switch (errno) {
141 case EMFILE:
142 errcause = "mount table full";
143 break;
144 case EINVAL:
145 if (mntflags & MNT_UPDATE)
146 errcause =
147 "specified device does not match mounted device";
148 else
149 errcause = "incorrect super block";
150 break;
151 default:
152 errcause = strerror(errno);
153 break;
154 }
155 errx(1, "%s on %s: %s", args.fspec, fs_name, errcause);
156 }
157 exit(0);
158 }
159
160 static void
ffs_usage(void)161 ffs_usage(void)
162 {
163 fprintf(stderr, "usage: %s [-o options] special node\n", getprogname());
164 exit(1);
165 }
166