1 /* $OpenBSD: mount_ext2fs.c,v 1.7 2000/01/22 20:25:00 deraadt Exp $ */ 2 /* $NetBSD: mount_ffs.c,v 1.3 1996/04/13 01:31:19 jtc Exp $ */ 3 4 /*- 5 * Copyright (c) 1993, 1994 6 * The Regents of the University of California. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 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 the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 */ 36 37 #ifndef lint 38 static char copyright[] = 39 "@(#) Copyright (c) 1993, 1994\n\ 40 The Regents of the University of California. All rights reserved.\n"; 41 #endif /* not lint */ 42 43 #ifndef lint 44 #if 0 45 static char sccsid[] = "@(#)mount_ufs.c 8.2 (Berkeley) 3/27/94"; 46 #else 47 static char rcsid[] = "$OpenBSD: mount_ext2fs.c,v 1.7 2000/01/22 20:25:00 deraadt Exp $"; 48 #endif 49 #endif /* not lint */ 50 51 #include <sys/param.h> 52 #include <sys/mount.h> 53 54 #include <err.h> 55 #include <errno.h> 56 #include <stdio.h> 57 #include <stdlib.h> 58 #include <string.h> 59 #include <unistd.h> 60 61 #include "mntopts.h" 62 63 void ext2fs_usage __P((void)); 64 65 static const struct mntopt mopts[] = { 66 MOPT_STDOPTS, 67 MOPT_UPDATE, 68 { NULL } 69 }; 70 71 int 72 main(argc, argv) 73 int argc; 74 char * const argv[]; 75 { 76 struct ufs_args args; /* XXX ffs_args */ 77 int ch, mntflags; 78 char *fs_name, *errcause; 79 80 mntflags = 0; 81 optind = optreset = 1; /* Reset for parse of new argv. */ 82 while ((ch = getopt(argc, argv, "o:")) != -1) 83 switch (ch) { 84 case 'o': 85 getmntopts(optarg, mopts, &mntflags); 86 break; 87 case '?': 88 default: 89 ext2fs_usage(); 90 } 91 argc -= optind; 92 argv += optind; 93 94 if (argc != 2) 95 ext2fs_usage(); 96 97 args.fspec = argv[0]; /* The name of the device file. */ 98 fs_name = argv[1]; /* The mount point. */ 99 100 #define DEFAULT_ROOTUID -2 101 args.export.ex_root = DEFAULT_ROOTUID; 102 if (mntflags & MNT_RDONLY) 103 args.export.ex_flags = MNT_EXRDONLY; 104 else 105 args.export.ex_flags = 0; 106 107 if (mount(MOUNT_EXT2FS, fs_name, mntflags, &args) < 0) { 108 switch (errno) { 109 case EMFILE: 110 errcause = "mount table full"; 111 break; 112 case EINVAL: 113 errcause = 114 "specified device does not match mounted device"; 115 break; 116 case EOPNOTSUPP: 117 errcause = "filesystem not supported by kernel"; 118 break; 119 default: 120 errcause = strerror(errno); 121 break; 122 } 123 errx(1, "%s on %s: %s", args.fspec, fs_name, errcause); 124 } 125 exit(0); 126 } 127 128 void 129 ext2fs_usage() 130 { 131 (void)fprintf(stderr, 132 "usage: mount_ext2fs [-o options] special node\n"); 133 exit(1); 134 } 135