1 /* $NetBSD: mount_ffs.c,v 1.13 2002/09/21 18:43:34 christos 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 __COPYRIGHT("@(#) Copyright (c) 1993, 1994\n\ 39 The Regents of the University of California. All rights reserved.\n"); 40 #endif /* not lint */ 41 42 #ifndef lint 43 #if 0 44 static char sccsid[] = "@(#)mount_ufs.c 8.4 (Berkeley) 4/26/95"; 45 #else 46 __RCSID("$NetBSD: mount_ffs.c,v 1.13 2002/09/21 18:43:34 christos Exp $"); 47 #endif 48 #endif /* not lint */ 49 50 #include <sys/param.h> 51 #include <sys/mount.h> 52 #include <ufs/ufs/ufsmount.h> 53 54 #include <err.h> 55 #include <errno.h> 56 #include <stdio.h> 57 #include <stdlib.h> 58 59 #include <string.h> 60 #include <unistd.h> 61 62 #include "mntopts.h" 63 64 static void ffs_usage __P((void)); 65 int main __P((int, char *[])); 66 int mount_ffs __P((int argc, char **argv)); 67 68 static const struct mntopt mopts[] = { 69 MOPT_STDOPTS, 70 MOPT_ASYNC, 71 MOPT_SYNC, 72 MOPT_UPDATE, 73 MOPT_RELOAD, 74 MOPT_NOATIME, 75 MOPT_NODEVMTIME, 76 MOPT_FORCE, 77 MOPT_SOFTDEP, 78 MOPT_GETARGS, 79 { NULL } 80 }; 81 82 #ifndef MOUNT_NOMAIN 83 int 84 main(argc, argv) 85 int argc; 86 char **argv; 87 { 88 return mount_ffs(argc, argv); 89 } 90 #endif 91 92 int 93 mount_ffs(argc, argv) 94 int argc; 95 char *argv[]; 96 { 97 struct ufs_args args; 98 int ch, mntflags; 99 char *fs_name; 100 const char *errcause; 101 102 mntflags = 0; 103 optind = optreset = 1; /* Reset for parse of new argv. */ 104 while ((ch = getopt(argc, argv, "o:")) != -1) 105 switch (ch) { 106 case 'o': 107 getmntopts(optarg, mopts, &mntflags, 0); 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 args.fspec = argv[0]; /* The name of the device file. */ 120 fs_name = argv[1]; /* The mount point. */ 121 122 #define DEFAULT_ROOTUID -2 123 args.export.ex_root = DEFAULT_ROOTUID; 124 if (mntflags & MNT_RDONLY) 125 args.export.ex_flags = MNT_EXRDONLY; 126 else 127 args.export.ex_flags = 0; 128 129 if (mount(MOUNT_FFS, fs_name, mntflags, &args) < 0) { 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() 152 { 153 (void)fprintf(stderr, "usage: mount_ffs [-o options] special node\n"); 154 exit(1); 155 } 156