| 1 |  |  | /*	$OpenBSD: mount_ffs.c,v 1.23 2016/05/27 19:45:04 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. Neither the name of the University nor the names of its contributors | 
    
    | 17 |  |  |  *    may be used to endorse or promote products derived from this software | 
    
    | 18 |  |  |  *    without specific prior written permission. | 
    
    | 19 |  |  |  * | 
    
    | 20 |  |  |  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | 
    
    | 21 |  |  |  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 
    
    | 22 |  |  |  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | 
    
    | 23 |  |  |  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | 
    
    | 24 |  |  |  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | 
    
    | 25 |  |  |  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | 
    
    | 26 |  |  |  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | 
    
    | 27 |  |  |  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | 
    
    | 28 |  |  |  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | 
    
    | 29 |  |  |  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | 
    
    | 30 |  |  |  * SUCH DAMAGE. | 
    
    | 31 |  |  |  */ | 
    
    | 32 |  |  |  | 
    
    | 33 |  |  | #include <sys/types.h> | 
    
    | 34 |  |  | #include <sys/mount.h> | 
    
    | 35 |  |  |  | 
    
    | 36 |  |  | #include <err.h> | 
    
    | 37 |  |  | #include <errno.h> | 
    
    | 38 |  |  | #include <stdio.h> | 
    
    | 39 |  |  | #include <stdlib.h> | 
    
    | 40 |  |  | #include <string.h> | 
    
    | 41 |  |  | #include <unistd.h> | 
    
    | 42 |  |  | #include <limits.h> | 
    
    | 43 |  |  |  | 
    
    | 44 |  |  | #include "mntopts.h" | 
    
    | 45 |  |  |  | 
    
    | 46 |  |  | void	ffs_usage(void); | 
    
    | 47 |  |  |  | 
    
    | 48 |  |  | static const struct mntopt mopts[] = { | 
    
    | 49 |  |  | 	MOPT_STDOPTS, | 
    
    | 50 |  |  | 	MOPT_WXALLOWED, | 
    
    | 51 |  |  | 	MOPT_ASYNC, | 
    
    | 52 |  |  | 	MOPT_SYNC, | 
    
    | 53 |  |  | 	MOPT_UPDATE, | 
    
    | 54 |  |  | 	MOPT_RELOAD, | 
    
    | 55 |  |  | 	MOPT_FORCE, | 
    
    | 56 |  |  | 	MOPT_SOFTDEP, | 
    
    | 57 |  |  | 	{ NULL } | 
    
    | 58 |  |  | }; | 
    
    | 59 |  |  |  | 
    
    | 60 |  |  | int | 
    
    | 61 |  |  | main(int argc, char *argv[]) | 
    
    | 62 |  |  | { | 
    
    | 63 |  |  | 	struct ufs_args args;		/* XXX ffs_args */ | 
    
    | 64 |  |  | 	int ch, mntflags; | 
    
    | 65 |  |  | 	char fs_name[PATH_MAX], *errcause; | 
    
    | 66 |  |  |  | 
    
    | 67 |  |  | 	mntflags = 0; | 
    
    | 68 |  |  | 	optind = optreset = 1;		/* Reset for parse of new argv. */ | 
    
    | 69 |  |  | 	while ((ch = getopt(argc, argv, "o:")) != -1) | 
    
    | 70 |  |  | 		switch (ch) { | 
    
    | 71 |  |  | 		case 'o': | 
    
    | 72 |  |  | 			getmntopts(optarg, mopts, &mntflags); | 
    
    | 73 |  |  | 			break; | 
    
    | 74 |  |  | 		case '?': | 
    
    | 75 |  |  | 		default: | 
    
    | 76 |  |  | 			ffs_usage(); | 
    
    | 77 |  |  | 		} | 
    
    | 78 |  |  | 	argc -= optind; | 
    
    | 79 |  |  | 	argv += optind; | 
    
    | 80 |  |  |  | 
    
    | 81 |  |  | 	if (argc != 2) | 
    
    | 82 |  |  | 		ffs_usage(); | 
    
    | 83 |  |  |  | 
    
    | 84 |  |  | 	args.fspec = argv[0];		/* The name of the device file. */ | 
    
    | 85 |  |  | 	if (realpath(argv[1], fs_name) == NULL) 	/* The mount point. */ | 
    
    | 86 |  |  | 		err(1, "realpath %s", argv[1]); | 
    
    | 87 |  |  |  | 
    
    | 88 |  |  | #define DEFAULT_ROOTUID	-2 | 
    
    | 89 |  |  | 	args.export_info.ex_root = DEFAULT_ROOTUID; | 
    
    | 90 |  |  | 	if (mntflags & MNT_RDONLY) | 
    
    | 91 |  |  | 		args.export_info.ex_flags = MNT_EXRDONLY; | 
    
    | 92 |  |  | 	else | 
    
    | 93 |  |  | 		args.export_info.ex_flags = 0; | 
    
    | 94 |  |  |  | 
    
    | 95 |  |  | 	if (mount(MOUNT_FFS, fs_name, mntflags, &args) < 0) { | 
    
    | 96 |  |  | 		switch (errno) { | 
    
    | 97 |  |  | 		case EMFILE: | 
    
    | 98 |  |  | 			errcause = "mount table full"; | 
    
    | 99 |  |  | 			break; | 
    
    | 100 |  |  | 		case EOPNOTSUPP: | 
    
    | 101 |  |  | 			errcause = "filesystem not supported by kernel"; | 
    
    | 102 |  |  | 			break; | 
    
    | 103 |  |  | 		case EROFS: | 
    
    | 104 |  |  | 			errcause = | 
    
    | 105 |  |  | 			    "filesystem must be mounted read-only; you may need to run fsck"; | 
    
    | 106 |  |  | 			break; | 
    
    | 107 |  |  | 		default: | 
    
    | 108 |  |  | 			errcause = strerror(errno); | 
    
    | 109 |  |  | 			break; | 
    
    | 110 |  |  | 		} | 
    
    | 111 |  |  | 		errx(1, "%s on %s: %s", args.fspec, fs_name, errcause); | 
    
    | 112 |  |  | 	} | 
    
    | 113 |  |  | 	exit(0); | 
    
    | 114 |  |  | } | 
    
    | 115 |  |  |  | 
    
    | 116 |  |  | void | 
    
    | 117 |  |  | ffs_usage(void) | 
    
    | 118 |  |  | { | 
    
    | 119 |  |  | 	(void)fprintf(stderr, "usage: mount_ffs [-o options] special node\n"); | 
    
    | 120 |  |  | 	exit(1); | 
    
    | 121 |  |  | } |