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