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 donated to Berkeley by
6 * Jan-Simon Pendry.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 4. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33 #ifndef lint
34 static const char copyright[] =
35 "@(#) Copyright (c) 1992, 1993, 1994\n\
36 The Regents of the University of California. All rights reserved.\n";
37 #endif /* not lint */
38
39 #ifndef lint
40 #if 0
41 static char sccsid[] = "@(#)mount_fs.c 8.6 (Berkeley) 4/26/95";
42 #endif
43 static const char rcsid[] =
44 "$FreeBSD$";
45 #endif /* not lint */
46
47 #include <sys/param.h>
48 #include <sys/mount.h>
49
50 #include <err.h>
51 #include <getopt.h>
52 #include <libgen.h>
53 #include <stdio.h>
54 #include <stdlib.h>
55 #include <string.h>
56 #include <unistd.h>
57
58 #include "extern.h"
59 #include "mntopts.h"
60
61 static struct mntopt mopts[] = {
62 MOPT_STDOPTS,
63 MOPT_END
64 };
65
66 static void
usage(void)67 usage(void)
68 {
69 (void)fprintf(stderr,
70 "usage: mount [-t fstype] [-o options] target_fs mount_point\n");
71 exit(1);
72 }
73
74 int
mount_fs(const char * vfstype,int argc,char * argv[])75 mount_fs(const char *vfstype, int argc, char *argv[])
76 {
77 struct iovec *iov;
78 int iovlen;
79 int mntflags = 0;
80 int ch;
81 char *dev, *dir, mntpath[MAXPATHLEN];
82 char fstype[32];
83 char errmsg[255];
84 char *p, *val;
85
86 strlcpy(fstype, vfstype, sizeof(fstype));
87 memset(errmsg, 0, sizeof(errmsg));
88
89 getmnt_silent = 1;
90 iov = NULL;
91 iovlen = 0;
92
93 optind = optreset = 1; /* Reset for parse of new argv. */
94 while ((ch = getopt(argc, argv, "o:")) != -1) {
95 switch(ch) {
96 case 'o':
97 getmntopts(optarg, mopts, &mntflags, 0);
98 p = strchr(optarg, '=');
99 val = NULL;
100 if (p != NULL) {
101 *p = '\0';
102 val = p + 1;
103 }
104 build_iovec(&iov, &iovlen, optarg, val, (size_t)-1);
105 break;
106 case '?':
107 default:
108 usage();
109 }
110 }
111
112 argc -= optind;
113 argv += optind;
114 if (argc != 2)
115 usage();
116
117 dev = argv[0];
118 dir = argv[1];
119
120 if (checkpath(dir, mntpath) != 0) {
121 warn("%s", mntpath);
122 return (1);
123 }
124 (void)rmslashes(dev, dev);
125
126 build_iovec(&iov, &iovlen, "fstype", fstype, (size_t)-1);
127 build_iovec(&iov, &iovlen, "fspath", mntpath, (size_t)-1);
128 build_iovec(&iov, &iovlen, "from", dev, (size_t)-1);
129 build_iovec(&iov, &iovlen, "errmsg", errmsg, sizeof(errmsg));
130
131 if (nmount(iov, iovlen, mntflags) == -1) {
132 if (*errmsg != '\0')
133 warn("%s: %s", dev, errmsg);
134 else
135 warn("%s", dev);
136 return (1);
137 }
138 return (0);
139 }
140