1 /* $NetBSD: mount_ffs.c,v 1.25 2008/08/05 20:57:45 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\ 35 The Regents of the University of California. All rights reserved."); 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 1.25 2008/08/05 20:57:45 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 #include "mountprog.h" 61 #include "mount_ffs.h" 62 63 static void ffs_usage(void); 64 65 static const struct mntopt mopts[] = { 66 MOPT_STDOPTS, 67 MOPT_ASYNC, 68 MOPT_SYNC, 69 MOPT_UPDATE, 70 MOPT_RELOAD, 71 MOPT_NOATIME, 72 MOPT_NODEVMTIME, 73 MOPT_FORCE, 74 MOPT_SOFTDEP, 75 MOPT_LOG, 76 MOPT_GETARGS, 77 MOPT_NULL, 78 }; 79 80 #ifndef MOUNT_NOMAIN 81 int 82 main(int argc, char **argv) 83 { 84 85 setprogname(argv[0]); 86 return mount_ffs(argc, argv); 87 } 88 #endif 89 90 void 91 mount_ffs_parseargs(int argc, char *argv[], 92 struct ufs_args *args, int *mntflags, 93 char *canon_dev, char *canon_dir) 94 { 95 int ch; 96 mntoptparse_t mp; 97 98 memset(args, 0, sizeof(*args)); 99 *mntflags = 0; 100 optind = optreset = 1; /* Reset for parse of new argv. */ 101 while ((ch = getopt(argc, argv, "o:")) != -1) 102 switch (ch) { 103 case 'o': 104 mp = getmntopts(optarg, mopts, mntflags, 0); 105 if (mp == NULL) 106 err(1, "getmntopts"); 107 freemntopts(mp); 108 break; 109 case '?': 110 default: 111 ffs_usage(); 112 } 113 argc -= optind; 114 argv += optind; 115 116 if (argc != 2) 117 ffs_usage(); 118 119 pathadj(argv[0], canon_dev); 120 args->fspec = canon_dev; 121 122 pathadj(argv[1], canon_dir); 123 } 124 125 int 126 mount_ffs(int argc, char *argv[]) 127 { 128 char fs_name[MAXPATHLEN], canon_dev[MAXPATHLEN]; 129 struct ufs_args args; 130 const char *errcause; 131 int mntflags; 132 133 mount_ffs_parseargs(argc, argv, &args, &mntflags, canon_dev, fs_name); 134 135 if (mount(MOUNT_FFS, fs_name, mntflags, &args, sizeof args) == -1) { 136 switch (errno) { 137 case EMFILE: 138 errcause = "mount table full"; 139 break; 140 case EINVAL: 141 if (mntflags & MNT_UPDATE) 142 errcause = 143 "specified device does not match mounted device"; 144 else 145 errcause = "incorrect super block"; 146 break; 147 default: 148 errcause = strerror(errno); 149 break; 150 } 151 errx(1, "%s on %s: %s", args.fspec, fs_name, errcause); 152 } 153 exit(0); 154 } 155 156 static void 157 ffs_usage(void) 158 { 159 fprintf(stderr, "usage: %s [-o options] special node\n", getprogname()); 160 exit(1); 161 } 162