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 1.8 2005/04/03 15:52:40 joerg 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/stat.h> 41 #include <vfs/ntfs/ntfsmount.h> 42 #include <ctype.h> 43 #include <err.h> 44 #include <grp.h> 45 #include <pwd.h> 46 #include <stdio.h> 47 #include <stdlib.h> 48 #include <string.h> 49 #include <sysexits.h> 50 #include <unistd.h> 51 #include <libutil.h> 52 53 #include "mntopts.h" 54 55 static struct mntopt mopts[] = { 56 MOPT_STDOPTS, 57 MOPT_NULL 58 }; 59 60 static gid_t a_gid(char *); 61 static uid_t a_uid(char *); 62 static mode_t a_mask(char *); 63 static void usage(void) __dead2; 64 65 static void load_u2wtable(struct ntfs_args *, char *); 66 67 int 68 main(int argc, char **argv) 69 { 70 struct ntfs_args args; 71 struct stat sb; 72 int c, mntflags, set_gid, set_uid, set_mask, error; 73 char *dev, *dir, mntpath[MAXPATHLEN]; 74 #if __FreeBSD_version >= 300000 || defined(__DragonFly__) 75 struct vfsconf vfc; 76 #else 77 struct vfsconf *vfc; 78 #endif 79 80 mntflags = set_gid = set_uid = set_mask = 0; 81 memset(&args, '\0', sizeof(args)); 82 83 while ((c = getopt(argc, argv, "aiu:g:m:o:W:")) != -1) { 84 switch (c) { 85 case 'u': 86 args.uid = a_uid(optarg); 87 set_uid = 1; 88 break; 89 case 'g': 90 args.gid = a_gid(optarg); 91 set_gid = 1; 92 break; 93 case 'm': 94 args.mode = a_mask(optarg); 95 set_mask = 1; 96 break; 97 case 'i': 98 args.flag |= NTFS_MFLAG_CASEINS; 99 break; 100 case 'a': 101 args.flag |= NTFS_MFLAG_ALLNAMES; 102 break; 103 case 'o': 104 getmntopts(optarg, mopts, &mntflags, 0); 105 break; 106 case 'W': 107 load_u2wtable(&args, optarg); 108 args.flag |= NTFSMNT_U2WTABLE; 109 break; 110 case '?': 111 default: 112 usage(); 113 break; 114 } 115 } 116 117 if (optind + 2 != argc) 118 usage(); 119 120 dev = argv[optind]; 121 dir = argv[optind + 1]; 122 123 /* 124 * Resolve the mountpoint with realpath(3) and remove unnecessary 125 * slashes from the devicename if there are any. 126 */ 127 checkpath(dir, mntpath); 128 rmslashes(dev, dev); 129 130 args.fspec = dev; 131 args.export.ex_root = 65534; /* unchecked anyway on DOS fs */ 132 if (mntflags & MNT_RDONLY) 133 args.export.ex_flags = MNT_EXRDONLY; 134 else 135 args.export.ex_flags = 0; 136 if (!set_gid || !set_uid || !set_mask) { 137 if (stat(mntpath, &sb) == -1) 138 err(EX_OSERR, "stat %s", mntpath); 139 140 if (!set_uid) 141 args.uid = sb.st_uid; 142 if (!set_gid) 143 args.gid = sb.st_gid; 144 if (!set_mask) 145 args.mode = sb.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO); 146 } 147 148 #if __FreeBSD_version >= 300000 || defined(__DragonFly__) 149 error = getvfsbyname("ntfs", &vfc); 150 if(error && vfsisloadable("ntfs")) { 151 if(vfsload("ntfs")) 152 #else 153 vfc = getvfsbyname("ntfs"); 154 if(!vfc && vfsisloadable("ntfs")) { 155 if(vfsload("ntfs")) 156 #endif 157 err(EX_OSERR, "vfsload(ntfs)"); 158 endvfsent(); /* clear cache */ 159 #if __FreeBSD_version >= 300000 || defined(__DragonFly__) 160 error = getvfsbyname("ntfs", &vfc); 161 #else 162 vfc = getvfsbyname("ntfs"); 163 #endif 164 } 165 #if __FreeBSD_version >= 300000 || defined(__DragonFly__) 166 if (error) 167 #else 168 if (!vfc) 169 #endif 170 errx(EX_OSERR, "ntfs filesystem is not available"); 171 172 #if __FreeBSD_version >= 300000 || defined(__DragonFly__) 173 if (mount(vfc.vfc_name, mntpath, mntflags, &args) < 0) 174 #else 175 if (mount(vfc->vfc_index, mntpath, mntflags, &args) < 0) 176 #endif 177 err(EX_OSERR, "%s", dev); 178 179 exit (0); 180 } 181 182 gid_t 183 a_gid(char *s) 184 { 185 struct group *gr; 186 char *gname; 187 gid_t gid; 188 189 if ((gr = getgrnam(s)) != NULL) 190 gid = gr->gr_gid; 191 else { 192 for (gname = s; *s && isdigit(*s); ++s); 193 if (!*s) 194 gid = atoi(gname); 195 else 196 errx(EX_NOUSER, "unknown group id: %s", gname); 197 } 198 return (gid); 199 } 200 201 uid_t 202 a_uid(char *s) 203 { 204 struct passwd *pw; 205 char *uname; 206 uid_t uid; 207 208 if ((pw = getpwnam(s)) != NULL) 209 uid = pw->pw_uid; 210 else { 211 for (uname = s; *s && isdigit(*s); ++s); 212 if (!*s) 213 uid = atoi(uname); 214 else 215 errx(EX_NOUSER, "unknown user id: %s", uname); 216 } 217 return (uid); 218 } 219 220 mode_t 221 a_mask(char *s) 222 { 223 int done, rv=0; 224 char *ep; 225 226 done = 0; 227 if (*s >= '0' && *s <= '7') { 228 done = 1; 229 rv = strtol(optarg, &ep, 8); 230 } 231 if (!done || rv < 0 || *ep) 232 errx(EX_USAGE, "invalid file mode: %s", s); 233 return (rv); 234 } 235 236 void 237 usage(void) 238 { 239 fprintf(stderr, "usage: mount_ntfs [-a] [-i] [-u user] [-g group] [-m mask] [-W u2wtable] bdev dir\n"); 240 exit(EX_USAGE); 241 } 242 243 void 244 load_u2wtable (struct ntfs_args *pargs, char *name) 245 { 246 FILE *f; 247 int i, j, code[8]; 248 size_t line = 0; 249 char buf[128]; 250 char *fn, *s, *p; 251 252 if (*name == '/') 253 fn = name; 254 else { 255 snprintf(buf, sizeof(buf), "/usr/libdata/msdosfs/%s", name); 256 buf[127] = '\0'; 257 fn = buf; 258 } 259 if ((f = fopen(fn, "r")) == NULL) 260 err(EX_NOINPUT, "%s", fn); 261 p = NULL; 262 for (i = 0; i < 16; i++) { 263 do { 264 if (p != NULL) free(p); 265 if ((p = s = fparseln(f, NULL, &line, NULL, 0)) == NULL) 266 errx(EX_DATAERR, "can't read u2w table row %d near line %d", i, line); 267 while (isspace((unsigned char)*s)) 268 s++; 269 } while (*s == '\0'); 270 if (sscanf(s, "%i%i%i%i%i%i%i%i", 271 code, code + 1, code + 2, code + 3, code + 4, code + 5, code + 6, code + 7) != 8) 272 errx(EX_DATAERR, "u2w table: missing item(s) in row %d, line %d", i, line); 273 for (j = 0; j < 8; j++) 274 pargs->u2w[i * 8 + j] = code[j]; 275 } 276 for (i = 0; i < 16; i++) { 277 do { 278 free(p); 279 if ((p = s = fparseln(f, NULL, &line, NULL, 0)) == NULL) 280 errx(EX_DATAERR, "can't read d2u table row %d near line %d", i, line); 281 while (isspace((unsigned char)*s)) 282 s++; 283 } while (*s == '\0'); 284 if (sscanf(s, "%i%i%i%i%i%i%i%i", 285 code, code + 1, code + 2, code + 3, code + 4, code + 5, code + 6, code + 7) != 8) 286 errx(EX_DATAERR, "d2u table: missing item(s) in row %d, line %d", i, line); 287 for (j = 0; j < 8; j++) 288 /* pargs->d2u[i * 8 + j] = code[j] */; 289 } 290 for (i = 0; i < 16; i++) { 291 do { 292 free(p); 293 if ((p = s = fparseln(f, NULL, &line, NULL, 0)) == NULL) 294 errx(EX_DATAERR, "can't read u2d table row %d near line %d", i, line); 295 while (isspace((unsigned char)*s)) 296 s++; 297 } while (*s == '\0'); 298 if (sscanf(s, "%i%i%i%i%i%i%i%i", 299 code, code + 1, code + 2, code + 3, code + 4, code + 5, code + 6, code + 7) != 8) 300 errx(EX_DATAERR, "u2d table: missing item(s) in row %d, line %d", i, line); 301 for (j = 0; j < 8; j++) 302 /* pargs->u2d[i * 8 + j] = code[j] */; 303 } 304 free(p); 305 fclose(f); 306 } 307 308