1 /*-
2 * Copyright (c) 1993, 1994
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * @(#) Copyright (c) 1993, 1994 The Regents of the University of California. All rights reserved.
30 * @(#)mount_lfs.c 8.3 (Berkeley) 3/27/94
31 * $FreeBSD: src/sbin/mount_ext2fs/mount_ext2fs.c,v 1.11 1999/10/09 11:54:09 phk Exp $
32 */
33
34 #include <sys/param.h>
35 #include <sys/mount.h>
36
37 #include <err.h>
38 #include <mntopts.h>
39 #include <stdio.h>
40 #include <stdlib.h>
41 #include <string.h>
42 #include <sysexits.h>
43 #include <unistd.h>
44
45 #include <vfs/ufs/ufsmount.h>
46
47 struct mntopt mopts[] = {
48 MOPT_STDOPTS,
49 MOPT_FORCE,
50 MOPT_SYNC,
51 MOPT_UPDATE,
52 MOPT_NULL
53 };
54
55 static void usage(void) __dead2;
56
57 int
main(int argc,char ** argv)58 main(int argc, char **argv)
59 {
60 struct ufs_args args;
61 int ch, mntflags;
62 char *fs_name, mntpath[MAXPATHLEN];
63 struct vfsconf vfc;
64 int error;
65
66 mntflags = 0;
67 while ((ch = getopt(argc, argv, "o:")) != -1)
68 switch (ch) {
69 case 'o':
70 getmntopts(optarg, mopts, &mntflags, 0);
71 break;
72 case '?':
73 default:
74 usage();
75 }
76 argc -= optind;
77 argv += optind;
78
79 if (argc != 2)
80 usage();
81
82 args.fspec = argv[0]; /* the name of the device file */
83 fs_name = argv[1]; /* the mount point */
84
85 /*
86 * Resolve the mountpoint with realpath(3) and remove unnecessary
87 * slashes from the devicename if there are any.
88 */
89 checkpath(fs_name, mntpath);
90 rmslashes(args.fspec, args.fspec);
91
92 #define DEFAULT_ROOTUID -2
93 args.export.ex_root = DEFAULT_ROOTUID;
94 if (mntflags & MNT_RDONLY)
95 args.export.ex_flags = MNT_EXRDONLY;
96 else
97 args.export.ex_flags = 0;
98
99 error = getvfsbyname("ext2fs", &vfc);
100 if (error && vfsisloadable("ext2fs")) {
101 if (vfsload("ext2fs")) {
102 err(EX_OSERR, "vfsload(ext2fs)");
103 }
104 endvfsent(); /* flush cache */
105 error = getvfsbyname("ext2fs", &vfc);
106 }
107 if (error)
108 errx(EX_OSERR, "ext2fs filesystem is not available");
109
110 if (mount(vfc.vfc_name, mntpath, mntflags, &args) < 0)
111 err(EX_OSERR, "%s", args.fspec);
112 exit(0);
113 }
114
115 void
usage(void)116 usage(void)
117 {
118 fprintf(stderr,
119 "usage: mount_ext2fs [-o options] special node\n");
120 exit(EX_USAGE);
121 }
122