1 /*
2  * Copyright (c) 2007 The DragonFly Project.  All rights reserved.
3  *
4  * This code is derived from software contributed to The DragonFly Project
5  * by Matthew Dillon <dillon@backplane.com>
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  *
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
15  *    the documentation and/or other materials provided with the
16  *    distribution.
17  * 3. Neither the name of The DragonFly Project nor the names of its
18  *    contributors may be used to endorse or promote products derived
19  *    from this software without specific, prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
25  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
27  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  *
34  * $DragonFly: src/sbin/mount_hammer/mount_hammer.c,v 1.1 2007/10/10 19:35:19 dillon Exp $
35  */
36 
37 #include <sys/types.h>
38 #include <sys/diskslice.h>
39 #include <sys/diskmbr.h>
40 #include <sys/stat.h>
41 #include <sys/time.h>
42 #include <vfs/hammer/hammer_mount.h>
43 
44 #include <stdio.h>
45 #include <stdlib.h>
46 #include <stdarg.h>
47 #include <stddef.h>
48 #include <unistd.h>
49 #include <string.h>
50 #include <errno.h>
51 #include <fcntl.h>
52 #include <uuid.h>
53 #include <err.h>
54 #include <assert.h>
55 
56 #include "mntopts.h"
57 
58 static struct mntopt mopts[] = { MOPT_STDOPTS, MOPT_NULL };
59 
60 static void usage(void);
61 
62 int
63 main(int ac, char **av)
64 {
65 	struct hammer_mount_info info;
66 	struct vfsconf vfc;
67 	int mount_flags;
68 	int error;
69 	int ch;
70 	char *mountpt;
71 
72 	mount_flags = 0;
73 	while ((ch = getopt(ac, av, "o:T:")) != -1) {
74 		switch(ch) {
75 		case 'T':
76 			/* parse time */
77 			errx(1, "-T option not currently supported");
78 			break;
79 		case 'o':
80 			getmntopts(optarg, mopts, &mount_flags, 0);
81 			break;
82 		default:
83 			usage();
84 			/* not reached */
85 		}
86 	}
87 	ac -= optind;
88 	av += optind;
89 
90 	if (ac < 2) {
91 		usage();
92 		/* not reached */
93 	}
94 
95 	/*
96 	 * Mount arguments: vol [vol...] mountpt
97 	 */
98 	info.volumes = (const char **)av;
99 	info.nvolumes = ac - 1;
100 	mountpt = av[ac - 1];
101 
102 	/*
103 	 * Load the hammer module if necessary (this bit stolen from
104 	 * mount_null).
105 	 */
106 	error = getvfsbyname("hammer", &vfc);
107 	if (error && vfsisloadable("hammer")) {
108 		if (vfsload("hammer") != 0)
109 			err(1, "vfsload(hammer)");
110 		endvfsent();
111 		error = getvfsbyname("hammer", &vfc);
112 	}
113 	if (error)
114 		errx(1, "hammer filesystem is not available");
115 
116 	if (mount(vfc.vfc_name, mountpt, mount_flags, &info))
117 		err(1, NULL);
118 	exit(0);
119 }
120 
121 static
122 void
123 usage(void)
124 {
125 	errx(1, "mount_hammer [-T time] [-o options] "
126 		"volume [volume...] mount_pt");
127 }
128