1 /* $NetBSD: mount_ffs.c,v 1.22 2007/07/16 17:06:53 pooka Exp $ */ 2 3 /*- 4 * Copyright (c) 1993, 1994 5 * The Regents of the University of California. All rights reserved. 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 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 #ifndef lint 34 __COPYRIGHT("@(#) Copyright (c) 1993, 1994\n\ 35 The Regents of the University of California. All rights reserved.\n"); 36 #endif /* not lint */ 37 38 #ifndef lint 39 #if 0 40 static char sccsid[] = "@(#)mount_ufs.c 8.4 (Berkeley) 4/26/95"; 41 #else 42 __RCSID("$NetBSD: mount_ffs.c,v 1.22 2007/07/16 17:06:53 pooka Exp $"); 43 #endif 44 #endif /* not lint */ 45 46 #include <sys/param.h> 47 #include <sys/mount.h> 48 #include <ufs/ufs/ufsmount.h> 49 50 #include <err.h> 51 #include <errno.h> 52 #include <stdio.h> 53 #include <stdlib.h> 54 55 #include <string.h> 56 #include <unistd.h> 57 58 #include <mntopts.h> 59 60 static void ffs_usage(void); 61 int mount_ffs(int argc, char **argv); 62 63 static const struct mntopt mopts[] = { 64 MOPT_STDOPTS, 65 MOPT_ASYNC, 66 MOPT_SYNC, 67 MOPT_UPDATE, 68 MOPT_RELOAD, 69 MOPT_NOATIME, 70 MOPT_NODEVMTIME, 71 MOPT_FORCE, 72 MOPT_SOFTDEP, 73 MOPT_GETARGS, 74 MOPT_NULL, 75 }; 76 77 #ifndef MOUNT_NOMAIN 78 int 79 main(int argc, char **argv) 80 { 81 return mount_ffs(argc, argv); 82 } 83 #endif 84 85 int 86 mount_ffs(int argc, char *argv[]) 87 { 88 struct ufs_args args; 89 int ch, mntflags; 90 char fs_name[MAXPATHLEN], canon_dev[MAXPATHLEN]; 91 const char *errcause; 92 mntoptparse_t mp; 93 94 mntflags = 0; 95 optind = optreset = 1; /* Reset for parse of new argv. */ 96 while ((ch = getopt(argc, argv, "o:")) != -1) 97 switch (ch) { 98 case 'o': 99 mp = getmntopts(optarg, mopts, &mntflags, 0); 100 if (mp == NULL) 101 err(1, "getmntopts"); 102 freemntopts(mp); 103 break; 104 case '?': 105 default: 106 ffs_usage(); 107 } 108 argc -= optind; 109 argv += optind; 110 111 if (argc != 2) 112 ffs_usage(); 113 114 if (realpath(argv[0], canon_dev) == NULL) /* Check device path */ 115 err(1, "realpath %s", argv[0]); 116 if (strncmp(argv[0], canon_dev, MAXPATHLEN)) { 117 warnx("\"%s\" is a relative path.", argv[0]); 118 warnx("using \"%s\" instead.", canon_dev); 119 } 120 args.fspec = canon_dev; 121 122 if (realpath(argv[1], fs_name) == NULL) /* Check mounton path */ 123 err(1, "realpath %s", argv[1]); 124 if (strncmp(argv[1], fs_name, MAXPATHLEN)) { 125 warnx("\"%s\" is a relative path.", argv[1]); 126 warnx("using \"%s\" instead.", fs_name); 127 } 128 129 if (mount(MOUNT_FFS, fs_name, mntflags, &args, sizeof args) == -1) { 130 switch (errno) { 131 case EMFILE: 132 errcause = "mount table full"; 133 break; 134 case EINVAL: 135 if (mntflags & MNT_UPDATE) 136 errcause = 137 "specified device does not match mounted device"; 138 else 139 errcause = "incorrect super block"; 140 break; 141 default: 142 errcause = strerror(errno); 143 break; 144 } 145 errx(1, "%s on %s: %s", args.fspec, fs_name, errcause); 146 } 147 exit(0); 148 } 149 150 static void 151 ffs_usage(void) 152 { 153 (void)fprintf(stderr, "usage: mount_ffs [-o options] special node\n"); 154 exit(1); 155 } 156