1/* $NetBSD$ */ 2 3/*- 4 * Copyright (c) 2011 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by UCHIYAMA Yasushi. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31/*- 32 * Copyright (c) 1993, 1994 33 * The Regents of the University of California. All rights reserved. 34 * 35 * Redistribution and use in source and binary forms, with or without 36 * modification, are permitted provided that the following conditions 37 * are met: 38 * 1. Redistributions of source code must retain the above copyright 39 * notice, this list of conditions and the following disclaimer. 40 * 2. Redistributions in binary form must reproduce the above copyright 41 * notice, this list of conditions and the following disclaimer in the 42 * documentation and/or other materials provided with the distribution. 43 * 3. Neither the name of the University nor the names of its contributors 44 * may be used to endorse or promote products derived from this software 45 * without specific prior written permission. 46 * 47 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 48 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 49 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 50 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 51 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 52 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 53 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 54 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 55 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 56 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 57 * SUCH DAMAGE. 58 */ 59 60#include <sys/cdefs.h> 61#ifndef lint 62__RCSID("$NetBSD$"); 63#endif /* not lint */ 64 65#include <sys/param.h> 66#include <sys/mount.h> 67 68#include <err.h> 69#include <errno.h> 70#include <stdio.h> 71#include <stdlib.h> 72 73#include <string.h> 74#include <unistd.h> 75 76#include <mntopts.h> 77 78#include "mountprog.h" 79#include "mount_v7fs.h" 80 81static const struct mntopt mopts[] = { 82 MOPT_STDOPTS, 83 MOPT_UPDATE, 84 MOPT_GETARGS, 85 MOPT_NULL, 86}; 87 88static void v7fs_usage(void) __dead; 89 90#ifndef MOUNT_NOMAIN 91int 92main(int argc, char **argv) 93{ 94 95 return mount_v7fs(argc, argv); 96} 97#endif 98 99int 100mount_v7fs(int argc, char *argv[]) 101{ 102 struct v7fs_args args; 103 char canon_dev[MAXPATHLEN], canon_dir[MAXPATHLEN]; 104 const char *errcause; 105 int mntflags; 106 107 mount_v7fs_parseargs(argc, argv, &args, &mntflags, 108 canon_dev, canon_dir); 109 110 if (mount(MOUNT_V7FS, canon_dir, mntflags, &args, sizeof args) == -1) { 111 switch (errno) { 112 case EMFILE: 113 errcause = "mount table full"; 114 break; 115 case EINVAL: 116 if (mntflags & MNT_UPDATE) 117 errcause = 118 "specified device does not match mounted device"; 119 else 120 errcause = "incorrect super block"; 121 break; 122 default: 123 errcause = strerror(errno); 124 break; 125 } 126 errx(EXIT_FAILURE, "%s on %s: %s", canon_dev, canon_dir, 127 errcause); 128 } 129 130 if (mntflags & MNT_GETARGS) { 131 printf("endian=%d\n", args.endian); 132 } 133 134 return EXIT_SUCCESS; 135} 136 137void 138mount_v7fs_parseargs(int argc, char **argv, struct v7fs_args *args, 139 int *mntflags, char *canon_dev, char *canon_dir) 140{ 141 int ch; 142 mntoptparse_t mp; 143 int endian = _BYTE_ORDER; 144 *mntflags = 0; 145 optind = optreset = 1; /* Reset for parse of new argv. */ 146 while ((ch = getopt(argc, argv, "o:B:")) != -1) 147 switch (ch) { 148 case 'o': 149 mp = getmntopts(optarg, mopts, mntflags, 0); 150 if (mp == NULL) 151 err(1, "getmntopts"); 152 freemntopts(mp); 153 break; 154 case 'B': 155 switch (optarg[0]) { 156 case 'l': 157 endian = _LITTLE_ENDIAN; 158 break; 159 case 'b': 160 endian = _BIG_ENDIAN; 161 break; 162 case 'p': 163 endian = _PDP_ENDIAN; 164 break; 165 } 166 break; 167 case '?': 168 169 default: 170 v7fs_usage(); 171 } 172 argc -= optind; 173 argv += optind; 174 175 if (argc != 2) 176 v7fs_usage(); 177 178 pathadj(argv[0], canon_dev); 179 args->endian = endian; 180 args->fspec = canon_dev; 181 pathadj(argv[1], canon_dir); 182} 183 184static void 185v7fs_usage(void) 186{ 187 188 fprintf(stderr, "usage: \n %s [-o options] [-B endian] special node\n", 189 getprogname()); 190 exit(EXIT_FAILURE); 191} 192