1 /* $NetBSD: mount_ntfs.c,v 1.19 2007/07/16 17:06:53 pooka Exp $ */ 2 3 /* 4 * Copyright (c) 1994 Christopher G. Demetriou 5 * Copyright (c) 1999 Semen Ustimenko 6 * 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. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by Christopher G. Demetriou. 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 * Id: mount_ntfs.c,v 1.1.1.1 1999/02/03 03:51:19 semenu Exp 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 __RCSID("$NetBSD: mount_ntfs.c,v 1.19 2007/07/16 17:06:53 pooka Exp $"); 39 #endif 40 41 #include <sys/param.h> 42 #include <sys/mount.h> 43 #include <sys/stat.h> 44 #include <ntfs/ntfsmount.h> 45 #include <err.h> 46 #include <grp.h> 47 #include <pwd.h> 48 #include <stdio.h> 49 #include <stdlib.h> 50 #include <string.h> 51 #include <sysexits.h> 52 #include <unistd.h> 53 #include <util.h> 54 55 #include <mntopts.h> 56 #include <fattr.h> 57 58 static const struct mntopt mopts[] = { 59 MOPT_STDOPTS, 60 MOPT_GETARGS, 61 MOPT_NULL, 62 }; 63 64 static void usage(void) __attribute__((__noreturn__)); 65 int mount_ntfs(int argc, char **argv); 66 67 #ifndef MOUNT_NOMAIN 68 int 69 main(int argc, char **argv) 70 { 71 return mount_ntfs(argc, argv); 72 } 73 #endif 74 75 int 76 mount_ntfs(int argc, char **argv) 77 { 78 struct ntfs_args args; 79 struct stat sb; 80 int c, mntflags, set_gid, set_uid, set_mask; 81 char *dev, *dir, canon_dev[MAXPATHLEN], canon_dir[MAXPATHLEN]; 82 mntoptparse_t mp; 83 84 mntflags = set_gid = set_uid = set_mask = 0; 85 (void)memset(&args, '\0', sizeof(args)); 86 87 while ((c = getopt(argc, argv, "aiu:g:m:o:")) != -1) { 88 switch (c) { 89 case 'u': 90 args.uid = a_uid(optarg); 91 set_uid = 1; 92 break; 93 case 'g': 94 args.gid = a_gid(optarg); 95 set_gid = 1; 96 break; 97 case 'm': 98 args.mode = a_mask(optarg); 99 set_mask = 1; 100 break; 101 case 'i': 102 args.flag |= NTFS_MFLAG_CASEINS; 103 break; 104 case 'a': 105 args.flag |= NTFS_MFLAG_ALLNAMES; 106 break; 107 case 'o': 108 mp = getmntopts(optarg, mopts, &mntflags, 0); 109 if (mp == NULL) 110 err(1, "getmntopts"); 111 freemntopts(mp); 112 break; 113 case '?': 114 default: 115 usage(); 116 break; 117 } 118 } 119 120 if (optind + 2 != argc) 121 usage(); 122 123 dev = argv[optind]; 124 dir = argv[optind + 1]; 125 126 if (realpath(dev, canon_dev) == NULL) /* Check device path */ 127 err(1, "realpath %s", dev); 128 if (strncmp(dev, canon_dev, MAXPATHLEN)) { 129 warnx("\"%s\" is a relative path.", dev); 130 dev = canon_dev; 131 warnx("using \"%s\" instead.", dev); 132 } 133 134 if (realpath(dir, canon_dir) == NULL) /* Check mounton path */ 135 err(1, "realpath %s", dir); 136 if (strncmp(dir, canon_dir, MAXPATHLEN)) { 137 warnx("\"%s\" is a relative path.", dir); 138 dir = canon_dir; 139 warnx("using \"%s\" instead.", dir); 140 } 141 142 args.fspec = dev; 143 if (!set_gid || !set_uid || !set_mask) { 144 if (stat(dir, &sb) == -1) 145 err(EX_OSERR, "stat %s", dir); 146 147 if (!set_uid) 148 args.uid = sb.st_uid; 149 if (!set_gid) 150 args.gid = sb.st_gid; 151 if (!set_mask) 152 args.mode = sb.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO); 153 } 154 155 if (mount(MOUNT_NTFS, dir, mntflags, &args, sizeof args) == -1) 156 err(EX_OSERR, "%s on %s", dev, dir); 157 158 if (mntflags & MNT_GETARGS) { 159 char buf[1024]; 160 (void)snprintb(buf, sizeof(buf), NTFS_MFLAG_BITS, args.flag); 161 printf("uid=%d, gid=%d, mode=0%o, flags=%s\n", args.uid, 162 args.gid, args.mode, buf); 163 } 164 exit (0); 165 } 166 167 static void 168 usage(void) 169 { 170 fprintf(stderr, "usage: mount_ntfs [-a] [-i] [-u user] [-g group] [-m mask] bdev dir\n"); 171 exit(EX_USAGE); 172 } 173