1 /* $NetBSD: mount_v7fs.c,v 1.1 2011/06/27 11:52:58 uch Exp $ */
2
3 /*-
4 * Copyright (c) 2011 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by UCHIYAMA Yasushi.
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 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31 /*-
32 * Copyright (c) 1993, 1994
33 * The Regents of the University of California. All rights reserved.
34 *
35 * Redistribution and use in source and binary forms, with or without
36 * modification, are permitted provided that the following conditions
37 * are met:
38 * 1. Redistributions of source code must retain the above copyright
39 * notice, this list of conditions and the following disclaimer.
40 * 2. Redistributions in binary form must reproduce the above copyright
41 * notice, this list of conditions and the following disclaimer in the
42 * documentation and/or other materials provided with the distribution.
43 * 3. Neither the name of the University nor the names of its contributors
44 * may be used to endorse or promote products derived from this software
45 * without specific prior written permission.
46 *
47 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
48 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
49 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
50 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
51 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
52 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
53 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
54 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
55 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
56 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
57 * SUCH DAMAGE.
58 */
59
60 #include <sys/cdefs.h>
61 #ifndef lint
62 __RCSID("$NetBSD: mount_v7fs.c,v 1.1 2011/06/27 11:52:58 uch Exp $");
63 #endif /* not lint */
64
65 #include <sys/param.h>
66 #include <sys/mount.h>
67
68 #include <err.h>
69 #include <errno.h>
70 #include <stdio.h>
71 #include <stdlib.h>
72
73 #include <string.h>
74 #include <unistd.h>
75
76 #include <mntopts.h>
77
78 #include "mountprog.h"
79 #include "mount_v7fs.h"
80
81 static const struct mntopt mopts[] = {
82 MOPT_STDOPTS,
83 MOPT_UPDATE,
84 MOPT_GETARGS,
85 MOPT_NULL,
86 };
87
88 static void v7fs_usage(void) __dead;
89
90 #ifndef MOUNT_NOMAIN
91 int
main(int argc,char ** argv)92 main(int argc, char **argv)
93 {
94
95 return mount_v7fs(argc, argv);
96 }
97 #endif
98
99 int
mount_v7fs(int argc,char * argv[])100 mount_v7fs(int argc, char *argv[])
101 {
102 struct v7fs_args args;
103 char canon_dev[MAXPATHLEN], canon_dir[MAXPATHLEN];
104 const char *errcause;
105 int mntflags;
106
107 mount_v7fs_parseargs(argc, argv, &args, &mntflags,
108 canon_dev, canon_dir);
109
110 if (mount(MOUNT_V7FS, canon_dir, mntflags, &args, sizeof args) == -1) {
111 switch (errno) {
112 case EMFILE:
113 errcause = "mount table full";
114 break;
115 case EINVAL:
116 if (mntflags & MNT_UPDATE)
117 errcause =
118 "specified device does not match mounted device";
119 else
120 errcause = "incorrect super block";
121 break;
122 default:
123 errcause = strerror(errno);
124 break;
125 }
126 errx(EXIT_FAILURE, "%s on %s: %s", canon_dev, canon_dir,
127 errcause);
128 }
129
130 if (mntflags & MNT_GETARGS) {
131 printf("endian=%d\n", args.endian);
132 }
133
134 return EXIT_SUCCESS;
135 }
136
137 void
mount_v7fs_parseargs(int argc,char ** argv,struct v7fs_args * args,int * mntflags,char * canon_dev,char * canon_dir)138 mount_v7fs_parseargs(int argc, char **argv, struct v7fs_args *args,
139 int *mntflags, char *canon_dev, char *canon_dir)
140 {
141 int ch;
142 mntoptparse_t mp;
143 int endian = _BYTE_ORDER;
144 *mntflags = 0;
145 optind = optreset = 1; /* Reset for parse of new argv. */
146 while ((ch = getopt(argc, argv, "o:B:")) != -1)
147 switch (ch) {
148 case 'o':
149 mp = getmntopts(optarg, mopts, mntflags, 0);
150 if (mp == NULL)
151 err(1, "getmntopts");
152 freemntopts(mp);
153 break;
154 case 'B':
155 switch (optarg[0]) {
156 case 'l':
157 endian = _LITTLE_ENDIAN;
158 break;
159 case 'b':
160 endian = _BIG_ENDIAN;
161 break;
162 case 'p':
163 endian = _PDP_ENDIAN;
164 break;
165 }
166 break;
167 case '?':
168
169 default:
170 v7fs_usage();
171 }
172 argc -= optind;
173 argv += optind;
174
175 if (argc != 2)
176 v7fs_usage();
177
178 pathadj(argv[0], canon_dev);
179 args->endian = endian;
180 args->fspec = canon_dev;
181 pathadj(argv[1], canon_dir);
182 }
183
184 static void
v7fs_usage(void)185 v7fs_usage(void)
186 {
187
188 fprintf(stderr, "usage: \n %s [-o options] [-B endian] special node\n",
189 getprogname());
190 exit(EXIT_FAILURE);
191 }
192