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 * 33 */ 34 35 #include <sys/param.h> 36 #define NTFS 37 #include <sys/mount.h> 38 #include <sys/module.h> 39 #include <sys/linker.h> 40 #include <sys/iconv.h> 41 #include <sys/stat.h> 42 #include <vfs/ntfs/ntfsmount.h> 43 #include <ctype.h> 44 #include <err.h> 45 #include <grp.h> 46 #include <mntopts.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 <libutil.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 int 66 set_charset(struct ntfs_args *pargs, const char *cs_local); 67 68 int 69 main(int argc, char **argv) 70 { 71 struct ntfs_args args; 72 struct stat sb; 73 int c, mntflags, set_gid, set_uid, set_mask, error; 74 char *dev, *dir, mntpath[MAXPATHLEN]; 75 #if __FreeBSD_version >= 300000 || defined(__DragonFly__) 76 struct vfsconf vfc; 77 #else 78 struct vfsconf *vfc; 79 #endif 80 const char *quirk; 81 char *cs_local = NULL; 82 83 mntflags = set_gid = set_uid = set_mask = 0; 84 memset(&args, '\0', sizeof(args)); 85 86 while ((c = getopt(argc, argv, "aiu:g:m:o:C:")) != -1) { 87 switch (c) { 88 case 'u': 89 args.uid = a_uid(optarg); 90 set_uid = 1; 91 break; 92 case 'g': 93 args.gid = a_gid(optarg); 94 set_gid = 1; 95 break; 96 case 'm': 97 args.mode = a_mask(optarg); 98 set_mask = 1; 99 break; 100 case 'i': 101 args.flag |= NTFS_MFLAG_CASEINS; 102 break; 103 case 'a': 104 args.flag |= NTFS_MFLAG_ALLNAMES; 105 break; 106 case 'o': 107 getmntopts(optarg, mopts, &mntflags, 0); 108 break; 109 case 'C': 110 quirk = kiconv_quirkcs(optarg, KICONV_VENDOR_MICSFT); 111 cs_local = strdup(quirk); 112 if (set_charset(&args, cs_local) == -1) 113 err(EX_OSERR, "ntfs_iconv"); 114 args.flag |= NTFS_MFLAG_KICONV; 115 mntflags |= MNT_RDONLY; 116 break; 117 case '?': 118 default: 119 usage(); 120 break; 121 } 122 } 123 124 if (optind + 2 != argc) 125 usage(); 126 127 dev = argv[optind]; 128 dir = argv[optind + 1]; 129 130 /* 131 * Resolve the mountpoint with realpath(3) and remove unnecessary 132 * slashes from the devicename if there are any. 133 */ 134 checkpath(dir, mntpath); 135 rmslashes(dev, dev); 136 137 args.fspec = dev; 138 args.export.ex_root = 65534; /* unchecked anyway on DOS fs */ 139 if (mntflags & MNT_RDONLY) 140 args.export.ex_flags = MNT_EXRDONLY; 141 else 142 args.export.ex_flags = 0; 143 if (!set_gid || !set_uid || !set_mask) { 144 if (stat(mntpath, &sb) == -1) 145 err(EX_OSERR, "stat %s", mntpath); 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 __FreeBSD_version >= 300000 || defined(__DragonFly__) 156 error = getvfsbyname("ntfs", &vfc); 157 if(error && vfsisloadable("ntfs")) { 158 if(vfsload("ntfs")) 159 #else 160 vfc = getvfsbyname("ntfs"); 161 if(!vfc && vfsisloadable("ntfs")) { 162 if(vfsload("ntfs")) 163 #endif 164 err(EX_OSERR, "vfsload(ntfs)"); 165 endvfsent(); /* clear cache */ 166 #if __FreeBSD_version >= 300000 || defined(__DragonFly__) 167 error = getvfsbyname("ntfs", &vfc); 168 #else 169 vfc = getvfsbyname("ntfs"); 170 #endif 171 } 172 #if __FreeBSD_version >= 300000 || defined(__DragonFly__) 173 if (error) 174 #else 175 if (!vfc) 176 #endif 177 errx(EX_OSERR, "ntfs filesystem is not available"); 178 179 #if __FreeBSD_version >= 300000 || defined(__DragonFly__) 180 if (mount(vfc.vfc_name, mntpath, mntflags, &args) < 0) 181 #else 182 if (mount(vfc->vfc_index, mntpath, mntflags, &args) < 0) 183 #endif 184 err(EX_OSERR, "%s", dev); 185 186 exit (0); 187 } 188 189 gid_t 190 a_gid(char *s) 191 { 192 struct group *gr; 193 char *gname; 194 gid_t gid; 195 196 if ((gr = getgrnam(s)) != NULL) 197 gid = gr->gr_gid; 198 else { 199 for (gname = s; *s && isdigit(*s); ++s); 200 if (!*s) 201 gid = atoi(gname); 202 else 203 errx(EX_NOUSER, "unknown group id: %s", gname); 204 } 205 return (gid); 206 } 207 208 uid_t 209 a_uid(char *s) 210 { 211 struct passwd *pw; 212 char *uname; 213 uid_t uid; 214 215 if ((pw = getpwnam(s)) != NULL) 216 uid = pw->pw_uid; 217 else { 218 for (uname = s; *s && isdigit(*s); ++s); 219 if (!*s) 220 uid = atoi(uname); 221 else 222 errx(EX_NOUSER, "unknown user id: %s", uname); 223 } 224 return (uid); 225 } 226 227 mode_t 228 a_mask(char *s) 229 { 230 int done, rv=0; 231 char *ep; 232 233 done = 0; 234 if (*s >= '0' && *s <= '7') { 235 done = 1; 236 rv = strtol(optarg, &ep, 8); 237 } 238 if (!done || rv < 0 || *ep) 239 errx(EX_USAGE, "invalid file mode: %s", s); 240 return (rv); 241 } 242 243 void 244 usage(void) 245 { 246 fprintf(stderr, "usage: mount_ntfs [-a] [-i] [-u user] [-g group] [-m mask] [-C charset] bdev dir\n"); 247 exit(EX_USAGE); 248 } 249 250 int 251 set_charset(struct ntfs_args *pargs, const char *cs_local) 252 { 253 int error; 254 255 if (modfind("ntfs_iconv") < 0) 256 if (kldload("ntfs_iconv") < 0 || modfind("ntfs_iconv") < 0) { 257 warnx( "cannot find or load \"ntfs_iconv\" kernel module"); 258 return (-1); 259 } 260 strncpy(pargs->cs_ntfs, ENCODING_UNICODE, ICONV_CSNMAXLEN); 261 strncpy(pargs->cs_local, cs_local, ICONV_CSNMAXLEN); 262 error = kiconv_add_xlat16_cspairs(pargs->cs_ntfs, cs_local); 263 if (error) 264 return (-1); 265 266 return (0); 267 } 268