1 /*- 2 * Copyright (c) 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#) Copyright (c) 1993, 1994 The Regents of the University of California. All rights reserved. 34 * @(#)mount_lfs.c 8.3 (Berkeley) 3/27/94 35 * $FreeBSD: src/sbin/mount_ext2fs/mount_ext2fs.c,v 1.11 1999/10/09 11:54:09 phk Exp $ 36 * $DragonFly: src/sbin/mount_ext2fs/mount_ext2fs.c,v 1.7 2005/04/03 15:46:43 joerg Exp $ 37 */ 38 39 #include <sys/param.h> 40 #include <sys/mount.h> 41 42 #include <err.h> 43 #include <stdio.h> 44 #include <stdlib.h> 45 #include <string.h> 46 #include <sysexits.h> 47 #include <unistd.h> 48 49 #include <vfs/ufs/ufsmount.h> 50 51 #include "mntopts.h" 52 53 struct mntopt mopts[] = { 54 MOPT_STDOPTS, 55 MOPT_FORCE, 56 MOPT_SYNC, 57 MOPT_UPDATE, 58 MOPT_NULL 59 }; 60 61 static void usage(void) __dead2; 62 63 int 64 main(int argc, char **argv) 65 { 66 struct ufs_args args; 67 int ch, mntflags; 68 char *fs_name, *options, mntpath[MAXPATHLEN]; 69 struct vfsconf vfc; 70 int error; 71 72 options = NULL; 73 mntflags = 0; 74 while ((ch = getopt(argc, argv, "o:")) != -1) 75 switch (ch) { 76 case 'o': 77 getmntopts(optarg, mopts, &mntflags, 0); 78 break; 79 case '?': 80 default: 81 usage(); 82 } 83 argc -= optind; 84 argv += optind; 85 86 if (argc != 2) 87 usage(); 88 89 args.fspec = argv[0]; /* the name of the device file */ 90 fs_name = argv[1]; /* the mount point */ 91 92 /* 93 * Resolve the mountpoint with realpath(3) and remove unnecessary 94 * slashes from the devicename if there are any. 95 */ 96 checkpath(fs_name, mntpath); 97 rmslashes(args.fspec, args.fspec); 98 99 #define DEFAULT_ROOTUID -2 100 args.export.ex_root = DEFAULT_ROOTUID; 101 if (mntflags & MNT_RDONLY) 102 args.export.ex_flags = MNT_EXRDONLY; 103 else 104 args.export.ex_flags = 0; 105 106 error = getvfsbyname("ext2fs", &vfc); 107 if (error && vfsisloadable("ext2fs")) { 108 if (vfsload("ext2fs")) { 109 err(EX_OSERR, "vfsload(ext2fs)"); 110 } 111 endvfsent(); /* flush cache */ 112 error = getvfsbyname("ext2fs", &vfc); 113 } 114 if (error) 115 errx(EX_OSERR, "ext2fs filesystem is not available"); 116 117 if (mount(vfc.vfc_name, mntpath, mntflags, &args) < 0) 118 err(EX_OSERR, "%s", args.fspec); 119 exit(0); 120 } 121 122 void 123 usage(void) 124 { 125 fprintf(stderr, 126 "usage: mount_ext2fs [-o options] special node\n"); 127 exit(EX_USAGE); 128 } 129