1 /* $NetBSD: mount_ext2fs.c,v 1.7 2000/04/14 06:03:39 simonb 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_ext2fs.c,v 1.7 2000/04/14 06:03:39 simonb 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 void ext2fs_usage __P((void)); 65 int main __P((int, char *[])); 66 67 static const struct mntopt mopts[] = { 68 MOPT_STDOPTS, 69 MOPT_ASYNC, 70 MOPT_SYNC, 71 MOPT_UPDATE, 72 MOPT_RELOAD, 73 MOPT_FORCE, 74 MOPT_NODEVMTIME, 75 { NULL } 76 }; 77 78 int 79 main(argc, argv) 80 int argc; 81 char *argv[]; 82 { 83 struct ufs_args args; /* XXX ffs_args */ 84 int ch, mntflags; 85 char *fs_name; 86 const char *errcause; 87 88 mntflags = 0; 89 optind = optreset = 1; /* Reset for parse of new argv. */ 90 while ((ch = getopt(argc, argv, "o:")) != -1) 91 switch (ch) { 92 case 'o': 93 getmntopts(optarg, mopts, &mntflags, 0); 94 break; 95 case '?': 96 default: 97 ext2fs_usage(); 98 } 99 argc -= optind; 100 argv += optind; 101 102 if (argc != 2) 103 ext2fs_usage(); 104 105 args.fspec = argv[0]; /* The name of the device file. */ 106 fs_name = argv[1]; /* The mount point. */ 107 108 #define DEFAULT_ROOTUID -2 109 args.export.ex_root = DEFAULT_ROOTUID; 110 if (mntflags & MNT_RDONLY) 111 args.export.ex_flags = MNT_EXRDONLY; 112 else 113 args.export.ex_flags = 0; 114 115 if (mount(MOUNT_EXT2FS, fs_name, mntflags, &args) < 0) { 116 switch (errno) { 117 case EMFILE: 118 errcause = "mount table full"; 119 break; 120 case EINVAL: 121 if (mntflags & MNT_UPDATE) 122 errcause = 123 "specified device does not match mounted device"; 124 else 125 errcause = "incorrect super block"; 126 break; 127 default: 128 errcause = strerror(errno); 129 break; 130 } 131 errx(1, "%s on %s: %s", args.fspec, fs_name, errcause); 132 } 133 exit(0); 134 } 135 136 void 137 ext2fs_usage() 138 { 139 (void)fprintf(stderr, 140 "usage: mount_ext2fs [-o options] special node\n"); 141 exit(1); 142 } 143