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 */ 37 38 #include <sys/param.h> 39 #include <sys/mount.h> 40 41 #include <err.h> 42 #include <mntopts.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 struct mntopt mopts[] = { 52 MOPT_STDOPTS, 53 MOPT_FORCE, 54 MOPT_SYNC, 55 MOPT_UPDATE, 56 MOPT_NULL 57 }; 58 59 static void usage(void) __dead2; 60 61 int 62 main(int argc, char **argv) 63 { 64 struct ufs_args args; 65 int ch, mntflags; 66 char *fs_name, *options, mntpath[MAXPATHLEN]; 67 struct vfsconf vfc; 68 int error; 69 70 options = NULL; 71 mntflags = 0; 72 while ((ch = getopt(argc, argv, "o:")) != -1) 73 switch (ch) { 74 case 'o': 75 getmntopts(optarg, mopts, &mntflags, 0); 76 break; 77 case '?': 78 default: 79 usage(); 80 } 81 argc -= optind; 82 argv += optind; 83 84 if (argc != 2) 85 usage(); 86 87 args.fspec = argv[0]; /* the name of the device file */ 88 fs_name = argv[1]; /* the mount point */ 89 90 /* 91 * Resolve the mountpoint with realpath(3) and remove unnecessary 92 * slashes from the devicename if there are any. 93 */ 94 checkpath(fs_name, mntpath); 95 rmslashes(args.fspec, args.fspec); 96 97 #define DEFAULT_ROOTUID -2 98 args.export.ex_root = DEFAULT_ROOTUID; 99 if (mntflags & MNT_RDONLY) 100 args.export.ex_flags = MNT_EXRDONLY; 101 else 102 args.export.ex_flags = 0; 103 104 error = getvfsbyname("ext2fs", &vfc); 105 if (error && vfsisloadable("ext2fs")) { 106 if (vfsload("ext2fs")) { 107 err(EX_OSERR, "vfsload(ext2fs)"); 108 } 109 endvfsent(); /* flush cache */ 110 error = getvfsbyname("ext2fs", &vfc); 111 } 112 if (error) 113 errx(EX_OSERR, "ext2fs filesystem is not available"); 114 115 if (mount(vfc.vfc_name, mntpath, mntflags, &args) < 0) 116 err(EX_OSERR, "%s", args.fspec); 117 exit(0); 118 } 119 120 void 121 usage(void) 122 { 123 fprintf(stderr, 124 "usage: mount_ext2fs [-o options] special node\n"); 125 exit(EX_USAGE); 126 } 127