1 /* 2 * Copyright (c) 1994 Christopher G. Demetriou 3 * Copyright (c) 1999 Semen Ustimenko 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Christopher G. Demetriou. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 * 31 * $FreeBSD: src/sbin/mount_ntfs/mount_ntfs.c,v 1.3.2.2 2001/10/12 22:08:43 semenu Exp $ 32 * $DragonFly: src/sbin/mount_ntfs/mount_ntfs.c,v 1.9 2008/11/02 21:52:46 swildner Exp $ 33 * 34 */ 35 36 #include <sys/cdefs.h> 37 #include <sys/param.h> 38 #define NTFS 39 #include <sys/mount.h> 40 #include <sys/module.h> 41 #include <sys/linker.h> 42 #include <sys/iconv.h> 43 #include <sys/stat.h> 44 #include <vfs/ntfs/ntfsmount.h> 45 #include <ctype.h> 46 #include <err.h> 47 #include <grp.h> 48 #include <pwd.h> 49 #include <stdio.h> 50 #include <stdlib.h> 51 #include <string.h> 52 #include <sysexits.h> 53 #include <unistd.h> 54 #include <libutil.h> 55 56 #include "mntopts.h" 57 58 static struct mntopt mopts[] = { 59 MOPT_STDOPTS, 60 MOPT_NULL 61 }; 62 63 static gid_t a_gid(char *); 64 static uid_t a_uid(char *); 65 static mode_t a_mask(char *); 66 static void usage(void) __dead2; 67 68 int 69 set_charset(struct ntfs_args *pargs, const char *cs_local); 70 71 int 72 main(int argc, char **argv) 73 { 74 struct ntfs_args args; 75 struct stat sb; 76 int c, mntflags, set_gid, set_uid, set_mask, error; 77 char *dev, *dir, mntpath[MAXPATHLEN]; 78 #if __FreeBSD_version >= 300000 || defined(__DragonFly__) 79 struct vfsconf vfc; 80 #else 81 struct vfsconf *vfc; 82 #endif 83 const char *quirk; 84 char *cs_local = NULL; 85 86 mntflags = set_gid = set_uid = set_mask = 0; 87 memset(&args, '\0', sizeof(args)); 88 89 while ((c = getopt(argc, argv, "aiu:g:m:o:C:")) != -1) { 90 switch (c) { 91 case 'u': 92 args.uid = a_uid(optarg); 93 set_uid = 1; 94 break; 95 case 'g': 96 args.gid = a_gid(optarg); 97 set_gid = 1; 98 break; 99 case 'm': 100 args.mode = a_mask(optarg); 101 set_mask = 1; 102 break; 103 case 'i': 104 args.flag |= NTFS_MFLAG_CASEINS; 105 break; 106 case 'a': 107 args.flag |= NTFS_MFLAG_ALLNAMES; 108 break; 109 case 'o': 110 getmntopts(optarg, mopts, &mntflags, 0); 111 break; 112 case 'C': 113 quirk = kiconv_quirkcs(optarg, KICONV_VENDOR_MICSFT); 114 cs_local = strdup(quirk); 115 if (set_charset(&args, cs_local) == -1) 116 err(EX_OSERR, "ntfs_iconv"); 117 args.flag |= NTFS_MFLAG_KICONV; 118 mntflags |= MNT_RDONLY; 119 break; 120 case '?': 121 default: 122 usage(); 123 break; 124 } 125 } 126 127 if (optind + 2 != argc) 128 usage(); 129 130 dev = argv[optind]; 131 dir = argv[optind + 1]; 132 133 /* 134 * Resolve the mountpoint with realpath(3) and remove unnecessary 135 * slashes from the devicename if there are any. 136 */ 137 checkpath(dir, mntpath); 138 rmslashes(dev, dev); 139 140 args.fspec = dev; 141 args.export.ex_root = 65534; /* unchecked anyway on DOS fs */ 142 if (mntflags & MNT_RDONLY) 143 args.export.ex_flags = MNT_EXRDONLY; 144 else 145 args.export.ex_flags = 0; 146 if (!set_gid || !set_uid || !set_mask) { 147 if (stat(mntpath, &sb) == -1) 148 err(EX_OSERR, "stat %s", mntpath); 149 150 if (!set_uid) 151 args.uid = sb.st_uid; 152 if (!set_gid) 153 args.gid = sb.st_gid; 154 if (!set_mask) 155 args.mode = sb.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO); 156 } 157 158 #if __FreeBSD_version >= 300000 || defined(__DragonFly__) 159 error = getvfsbyname("ntfs", &vfc); 160 if(error && vfsisloadable("ntfs")) { 161 if(vfsload("ntfs")) 162 #else 163 vfc = getvfsbyname("ntfs"); 164 if(!vfc && vfsisloadable("ntfs")) { 165 if(vfsload("ntfs")) 166 #endif 167 err(EX_OSERR, "vfsload(ntfs)"); 168 endvfsent(); /* clear cache */ 169 #if __FreeBSD_version >= 300000 || defined(__DragonFly__) 170 error = getvfsbyname("ntfs", &vfc); 171 #else 172 vfc = getvfsbyname("ntfs"); 173 #endif 174 } 175 #if __FreeBSD_version >= 300000 || defined(__DragonFly__) 176 if (error) 177 #else 178 if (!vfc) 179 #endif 180 errx(EX_OSERR, "ntfs filesystem is not available"); 181 182 #if __FreeBSD_version >= 300000 || defined(__DragonFly__) 183 if (mount(vfc.vfc_name, mntpath, mntflags, &args) < 0) 184 #else 185 if (mount(vfc->vfc_index, mntpath, mntflags, &args) < 0) 186 #endif 187 err(EX_OSERR, "%s", dev); 188 189 exit (0); 190 } 191 192 gid_t 193 a_gid(char *s) 194 { 195 struct group *gr; 196 char *gname; 197 gid_t gid; 198 199 if ((gr = getgrnam(s)) != NULL) 200 gid = gr->gr_gid; 201 else { 202 for (gname = s; *s && isdigit(*s); ++s); 203 if (!*s) 204 gid = atoi(gname); 205 else 206 errx(EX_NOUSER, "unknown group id: %s", gname); 207 } 208 return (gid); 209 } 210 211 uid_t 212 a_uid(char *s) 213 { 214 struct passwd *pw; 215 char *uname; 216 uid_t uid; 217 218 if ((pw = getpwnam(s)) != NULL) 219 uid = pw->pw_uid; 220 else { 221 for (uname = s; *s && isdigit(*s); ++s); 222 if (!*s) 223 uid = atoi(uname); 224 else 225 errx(EX_NOUSER, "unknown user id: %s", uname); 226 } 227 return (uid); 228 } 229 230 mode_t 231 a_mask(char *s) 232 { 233 int done, rv=0; 234 char *ep; 235 236 done = 0; 237 if (*s >= '0' && *s <= '7') { 238 done = 1; 239 rv = strtol(optarg, &ep, 8); 240 } 241 if (!done || rv < 0 || *ep) 242 errx(EX_USAGE, "invalid file mode: %s", s); 243 return (rv); 244 } 245 246 void 247 usage(void) 248 { 249 fprintf(stderr, "usage: mount_ntfs [-a] [-i] [-u user] [-g group] [-m mask] [-C charset] bdev dir\n"); 250 exit(EX_USAGE); 251 } 252 253 int 254 set_charset(struct ntfs_args *pargs, const char *cs_local) 255 { 256 int error; 257 258 if (modfind("ntfs_iconv") < 0) 259 if (kldload("ntfs_iconv") < 0 || modfind("ntfs_iconv") < 0) { 260 warnx( "cannot find or load \"ntfs_iconv\" kernel module"); 261 return (-1); 262 } 263 strncpy(pargs->cs_ntfs, ENCODING_UNICODE, ICONV_CSNMAXLEN); 264 strncpy(pargs->cs_local, cs_local, ICONV_CSNMAXLEN); 265 error = kiconv_add_xlat16_cspairs(pargs->cs_ntfs, cs_local); 266 if (error) 267 return (-1); 268 269 return (0); 270 } 271