1 /* $NetBSD: mount_fdesc.c,v 1.27 2020/07/26 08:20:22 mlelstv Exp $ */
2
3 /*
4 * Copyright (c) 1992, 1993, 1994
5 * The Regents of the University of California. All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * Jan-Simon Pendry.
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. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34
35 /*
36 * Copyright (c) 1990, 1992 Jan-Simon Pendry
37 *
38 * This code is derived from software contributed to Berkeley by
39 * Jan-Simon Pendry.
40 *
41 * Redistribution and use in source and binary forms, with or without
42 * modification, are permitted provided that the following conditions
43 * are met:
44 * 1. Redistributions of source code must retain the above copyright
45 * notice, this list of conditions and the following disclaimer.
46 * 2. Redistributions in binary form must reproduce the above copyright
47 * notice, this list of conditions and the following disclaimer in the
48 * documentation and/or other materials provided with the distribution.
49 * 3. All advertising materials mentioning features or use of this software
50 * must display the following acknowledgement:
51 * This product includes software developed by the University of
52 * California, Berkeley and its contributors.
53 * 4. Neither the name of the University nor the names of its contributors
54 * may be used to endorse or promote products derived from this software
55 * without specific prior written permission.
56 *
57 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
58 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
59 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
60 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
61 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
62 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
63 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
64 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
65 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
66 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
67 * SUCH DAMAGE.
68 */
69
70 #include <sys/cdefs.h>
71 #ifndef lint
72 __COPYRIGHT("@(#) Copyright (c) 1992, 1993, 1994\
73 The Regents of the University of California. All rights reserved.");
74 #endif /* not lint */
75
76 #ifndef lint
77 #if 0
78 static char sccsid[] = "@(#)mount_fdesc.c 8.3 (Berkeley) 4/26/95";
79 #else
80 __RCSID("$NetBSD: mount_fdesc.c,v 1.27 2020/07/26 08:20:22 mlelstv Exp $");
81 #endif
82 #endif /* not lint */
83
84 #include <sys/param.h>
85 #include <sys/mount.h>
86
87 #include <err.h>
88 #include <unistd.h>
89 #include <stdio.h>
90 #include <stdlib.h>
91 #include <string.h>
92
93 #include <mntopts.h>
94
95 #include "mountprog.h"
96 #include "mount_fdesc.h"
97
98 static const struct mntopt mopts[] = {
99 MOPT_STDOPTS,
100 MOPT_GETARGS,
101 MOPT_NULL,
102 };
103
104 __dead static void usage(void);
105 int mount_fdesc(int argc, char **argv);
106
107 #ifndef MOUNT_NOMAIN
108 int
main(int argc,char ** argv)109 main(int argc, char **argv)
110 {
111 return mount_fdesc(argc, argv);
112 }
113 #endif
114
115 void
mount_fdesc_parseargs(int argc,char * argv[],void * dummy,int * mntflags,char * canon_dev,char * canon_dir)116 mount_fdesc_parseargs(int argc, char *argv[], void *dummy, int *mntflags,
117 char *canon_dev, char *canon_dir)
118 {
119 int ch;
120 mntoptparse_t mp;
121
122 *mntflags = 0;
123 while ((ch = getopt(argc, argv, "o:")) != -1)
124 switch (ch) {
125 case 'o':
126 mp = getmntopts(optarg, mopts, mntflags, 0);
127 if (mp == NULL)
128 err(1, "getmntopts");
129 freemntopts(mp);
130 break;
131 case '?':
132 default:
133 usage();
134 }
135 argc -= optind;
136 argv += optind;
137
138 if (argc != 2)
139 usage();
140
141 /* getargs is a NULL op and kernel would return EINVAL */
142 if (*mntflags & MNT_GETARGS)
143 exit(0);
144
145 strlcpy(canon_dev, argv[0], MAXPATHLEN);
146 pathadj(argv[1], canon_dir);
147 }
148
149 int
mount_fdesc(int argc,char * argv[])150 mount_fdesc(int argc, char *argv[])
151 {
152 int mntflags;
153 char canon_dev[MAXPATHLEN], canon_dir[MAXPATHLEN];
154
155 mount_fdesc_parseargs(argc, argv, NULL, &mntflags,
156 canon_dev, canon_dir);
157 if (mount(MOUNT_FDESC, canon_dir, mntflags, NULL, 0) == -1)
158 err(1, "fdesc on %s", canon_dir);
159 exit(0);
160 }
161
162 static void
usage(void)163 usage(void)
164 {
165 (void)fprintf(stderr,
166 "usage: mount_fdesc [-o options] fdesc mount_point\n");
167 exit(1);
168 }
169