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
35 #include <sys/param.h>
36 #include <sys/mount.h>
37 #include <sys/devfs.h>
48 #define MOPT_UPDATE { "update", 0, MNT_UPDATE, 0 }
50 #define MOPT_DEVFSOPTS \
51 { "ruleset=", 0, DEVFS_MNT_RULESET, 1 }, \
52 { "jail", 0, DEVFS_MNT_JAIL, 1 }
55 struct mntopt mopts[] = {
64 static void usage(void);
67 main(int argc, char **argv)
70 struct devfs_mount_info info;
73 char mntpoint[MAXPATHLEN];
74 char rule_file[MAXPATHLEN];
83 while ((ch = getopt(argc, argv, "o:")) != -1)
86 getmntopts(optarg, mopts, &mntflags, &info.flags);
87 ptr = strstr(optarg, "ruleset=");
91 (i < MAXPATHLEN) && (ptr[i] != '\0') && (ptr[i] != ',');
93 rule_file[k++] = ptr[i];
109 /* resolve mount point with realpath(3) */
123 checkpath(mntto, mntpoint);
125 error = getvfsbyname("devfs", &vfc);
126 if (error && vfsisloadable("devfs")) {
128 err(EX_OSERR, "vfsload(devfs)");
130 error = getvfsbyname("devfs", &vfc);
133 errx(EX_OSERR, "devfs filesystem is not available");
135 error = statfs(mntpoint, &sfb);
138 err(EX_OSERR, "could not statfs() the mount point");
140 if ((!strcmp(sfb.f_fstypename, "devfs")) &&
141 (!strcmp(sfb.f_mntfromname, "devfs"))) {
146 if (mount(vfc.vfc_name, mntpoint, mntflags, &info))
150 execlp("devfsctl", "devfsctl",
158 if (info.flags & DEVFS_MNT_RULESET) {
160 execlp("devfsctl", "devfsctl",
174 "usage: mount_devfs [-o options] [mount_from] mount_point\n");