2 * Copyright (c) 2009 The DragonFly Project. All rights reserved.
4 * This code is derived from software contributed to The DragonFly Project
5 * by Alex Hornung <ahornung@gmail.com>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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
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.
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
34 #include <sys/param.h>
35 #include <sys/mount.h>
38 #include <vfs/devfs/devfs.h>
50 #define DEVFS_MNT_RULESET 0x01
51 #define DEVFS_MNT_JAIL 0x02
53 #define MOPT_UPDATE { "update", 0, MNT_UPDATE, 0 }
55 #define MOPT_DEVFSOPTS \
56 { "ruleset=", 0, DEVFS_MNT_RULESET, 1 }, \
57 { "jail", 0, DEVFS_MNT_JAIL, 1 }
60 struct mntopt mopts[] = {
69 static void usage(void);
71 struct devfs_mount_info {
76 main(int argc, char **argv)
79 struct devfs_mount_info info;
82 char mntpoint[MAXPATHLEN];
83 char rule_file[MAXPATHLEN];
92 while ((ch = getopt(argc, argv, "o:")) != -1)
95 getmntopts(optarg, mopts, &mntflags, &info.flags);
96 ptr = strstr(optarg, "ruleset=");
100 (ptr[i] != '\0') && (ptr[i] != ',') && (i < MAXPATHLEN);
102 rule_file[k++] = ptr[i];
118 /* resolve mount point with realpath(3) */
119 checkpath(argv[0], mntpoint);
122 error = getvfsbyname("devfs", &vfc);
123 if (error && vfsisloadable("devfs")) {
125 err(EX_OSERR, "vfsload(devfs)");
127 error = getvfsbyname("devfs", &vfc);
130 errx(EX_OSERR, "devfs filesystem is not available");
132 error = statfs(mntpoint, &sfb);
135 err(EX_OSERR, "could not statfs() the mount point");
137 if ((!strcmp(sfb.f_fstypename, "devfs")) &&
138 (!strcmp(sfb.f_mntfromname, "devfs"))) {
143 if (mount(vfc.vfc_name, mntpoint, mntflags, &info))
148 execlp("devfsctl", "devfsctl",
155 if (info.flags & DEVFS_MNT_RULESET) {
157 execlp("devfsctl", "devfsctl",
171 "usage: mount_devfs [-o options] mount_point\n");