1 /* $OpenBSD: mount_cd9660.c,v 1.22 2019/06/28 13:32:44 deraadt Exp $ */ 2 /* $NetBSD: mount_cd9660.c,v 1.3 1996/04/13 01:31:08 jtc Exp $ */ 3 4 /* 5 * Copyright (c) 1992, 1993, 1994 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley 9 * by Pace Willisson (pace@blitz.com). The Rock Ridge Extension 10 * Support code is derived from software contributed to Berkeley 11 * by Atsushi Murai (amurai@spec.co.jp). 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 */ 37 38 #include <sys/types.h> 39 #define CD9660 40 #include <sys/mount.h> 41 42 #include <err.h> 43 #include <errno.h> 44 #include <stdint.h> 45 #include <stdlib.h> 46 #include <stdio.h> 47 #include <string.h> 48 #include <unistd.h> 49 #include <limits.h> 50 51 #include "mntopts.h" 52 53 const struct mntopt mopts[] = { 54 MOPT_STDOPTS, 55 MOPT_UPDATE, 56 { NULL } 57 }; 58 59 void usage(void); 60 61 int 62 main(int argc, char *argv[]) 63 { 64 struct iso_args args; 65 int ch, mntflags, opts, sess = 0; 66 char *dev, dir[PATH_MAX]; 67 const char *errstr; 68 69 mntflags = opts = 0; 70 while ((ch = getopt(argc, argv, "egjo:Rs:")) != -1) 71 switch (ch) { 72 case 'e': 73 opts |= ISOFSMNT_EXTATT; 74 break; 75 case 'g': 76 opts |= ISOFSMNT_GENS; 77 break; 78 case 'j': 79 opts |= ISOFSMNT_NOJOLIET; 80 break; 81 case 'o': 82 getmntopts(optarg, mopts, &mntflags); 83 break; 84 case 'R': 85 opts |= ISOFSMNT_NORRIP; 86 break; 87 case 's': 88 opts |= ISOFSMNT_SESS; 89 sess = strtonum(optarg, 0, INT32_MAX, &errstr); 90 if (errstr) 91 errx(1, "session number is %s: %s", errstr, 92 optarg); 93 break; 94 case '?': 95 default: 96 usage(); 97 } 98 argc -= optind; 99 argv += optind; 100 101 if (argc != 2) 102 usage(); 103 104 dev = argv[0]; 105 if (realpath(argv[1], dir) == NULL) 106 err(1, "realpath %s", argv[1]); 107 108 #define DEFAULT_ROOTUID -2 109 args.fspec = dev; 110 args.export_info.ex_root = DEFAULT_ROOTUID; 111 112 mntflags |= MNT_RDONLY; 113 if (mntflags & MNT_RDONLY) 114 args.export_info.ex_flags = MNT_EXRDONLY; 115 else 116 args.export_info.ex_flags = 0; 117 args.flags = opts; 118 args.sess = sess; 119 120 if (mount(MOUNT_CD9660, dir, mntflags, &args) == -1) { 121 if (errno == EOPNOTSUPP) 122 errx(1, "%s: Filesystem not supported by kernel", dir); 123 else 124 err(1, "%s on %s", args.fspec, dir); 125 } 126 exit(0); 127 } 128 129 void 130 usage(void) 131 { 132 (void)fprintf(stderr, 133 "usage: mount_cd9660 [-egjR] [-o options] [-s offset] " 134 "special node\n"); 135 exit(1); 136 } 137