1 /* 2 * Copyright (c) 1994 Christopher G. Demetriou 3 * Copyright (c) 1999 Semen Ustimenko (semenu@FreeBSD.org) 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_hpfs/mount_hpfs.c,v 1.1 1999/12/09 19:09:15 semenu Exp $ 32 * $DragonFly: src/sbin/mount_hpfs/mount_hpfs.c,v 1.5 2003/11/01 17:16:00 drhodus Exp $ 33 */ 34 35 #include <sys/cdefs.h> 36 #include <sys/param.h> 37 #include <sys/mount.h> 38 #include <sys/stat.h> 39 #include <vfs/hpfs/hpfsmount.h> 40 #include <ctype.h> 41 #include <err.h> 42 #include <grp.h> 43 #include <pwd.h> 44 #include <stdio.h> 45 #include <stdlib.h> 46 #include <string.h> 47 #include <sysexits.h> 48 #include <unistd.h> 49 50 #include "mntopts.h" 51 52 static struct mntopt mopts[] = { 53 MOPT_STDOPTS, 54 { NULL } 55 }; 56 57 static gid_t a_gid(char *); 58 static uid_t a_uid(char *); 59 static mode_t a_mask(char *); 60 static void usage(void) __dead2; 61 static void load_u2wtable(struct hpfs_args *, char *); 62 63 int 64 main(int argc, char **argv) 65 { 66 struct hpfs_args args; 67 struct stat sb; 68 int c, mntflags, set_gid, set_uid, set_mask,error; 69 int forcerw = 0; 70 char *dev, *dir, ndir[MAXPATHLEN+1]; 71 #if __FreeBSD_version >= 300000 72 struct vfsconf vfc; 73 #else 74 struct vfsconf *vfc; 75 #endif 76 77 mntflags = set_gid = set_uid = set_mask = 0; 78 (void)memset(&args, '\0', sizeof(args)); 79 80 while ((c = getopt(argc, argv, "u:g:m:o:c:W:F")) != -1) { 81 switch (c) { 82 case 'F': 83 forcerw=1; 84 break; 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 'o': 98 getmntopts(optarg, mopts, &mntflags, 0); 99 break; 100 case 'W': 101 load_u2wtable(&args, optarg); 102 args.flags |= HPFSMNT_TABLES; 103 break; 104 case '?': 105 default: 106 usage(); 107 break; 108 } 109 } 110 111 if (optind + 2 != argc) 112 usage(); 113 114 if (!(mntflags & MNT_RDONLY) && !forcerw) { 115 warnx("Write support is BETA, you need -F flag to enable RW mount!"); 116 exit (111); 117 } 118 119 dev = argv[optind]; 120 dir = argv[optind + 1]; 121 if (dir[0] != '/') { 122 warnx("\"%s\" is a relative path", dir); 123 if (getcwd(ndir, sizeof(ndir)) == NULL) 124 err(EX_OSERR, "getcwd"); 125 strncat(ndir, "/", sizeof(ndir) - strlen(ndir) - 1); 126 strncat(ndir, dir, sizeof(ndir) - strlen(ndir) - 1); 127 dir = ndir; 128 warnx("using \"%s\" instead", dir); 129 } 130 131 args.fspec = dev; 132 args.export.ex_root = 65534; /* unchecked anyway on DOS fs */ 133 if (mntflags & MNT_RDONLY) 134 args.export.ex_flags = MNT_EXRDONLY; 135 else 136 args.export.ex_flags = 0; 137 138 if (!set_gid || !set_uid || !set_mask) { 139 if (stat(dir, &sb) == -1) 140 err(EX_OSERR, "stat %s", dir); 141 142 if (!set_uid) 143 args.uid = sb.st_uid; 144 if (!set_gid) 145 args.gid = sb.st_gid; 146 if (!set_mask) 147 args.mode = sb.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO); 148 } 149 150 #if __FreeBSD_version >= 300000 151 error = getvfsbyname("hpfs", &vfc); 152 if(error && vfsisloadable("hpfs")) { 153 if(vfsload("hpfs")) 154 #else 155 vfc = getvfsbyname("hpfs"); 156 if(!vfc && vfsisloadable("hpfs")) { 157 if(vfsload("hpfs")) 158 #endif 159 err(EX_OSERR, "vfsload(hpfs)"); 160 endvfsent(); /* clear cache */ 161 #if __FreeBSD_version >= 300000 162 error = getvfsbyname("hpfs", &vfc); 163 #else 164 vfc = getvfsbyname("hpfs"); 165 #endif 166 } 167 #if __FreeBSD_version >= 300000 168 if (error) 169 #else 170 if (!vfc) 171 #endif 172 errx(EX_OSERR, "hpfs filesystem is not available"); 173 174 #if __FreeBSD_version >= 300000 175 if (mount(vfc.vfc_name, dir, mntflags, &args) < 0) 176 #else 177 if (mount(vfc->vfc_index, dir, mntflags, &args) < 0) 178 #endif 179 err(EX_OSERR, "%s", dev); 180 181 exit (0); 182 } 183 184 gid_t 185 a_gid(char *s) 186 { 187 struct group *gr; 188 char *gname; 189 gid_t gid; 190 191 if ((gr = getgrnam(s)) != NULL) 192 gid = gr->gr_gid; 193 else { 194 for (gname = s; *s && isdigit(*s); ++s); 195 if (!*s) 196 gid = atoi(gname); 197 else 198 errx(EX_NOUSER, "unknown group id: %s", gname); 199 } 200 return (gid); 201 } 202 203 uid_t 204 a_uid(char *s) 205 { 206 struct passwd *pw; 207 char *uname; 208 uid_t uid; 209 210 if ((pw = getpwnam(s)) != NULL) 211 uid = pw->pw_uid; 212 else { 213 for (uname = s; *s && isdigit(*s); ++s); 214 if (!*s) 215 uid = atoi(uname); 216 else 217 errx(EX_NOUSER, "unknown user id: %s", uname); 218 } 219 return (uid); 220 } 221 222 mode_t 223 a_mask(char *s) 224 { 225 int done, rv=0; 226 char *ep; 227 228 done = 0; 229 if (*s >= '0' && *s <= '7') { 230 done = 1; 231 rv = strtol(optarg, &ep, 8); 232 } 233 if (!done || rv < 0 || *ep) 234 errx(EX_USAGE, "invalid file mode: %s", s); 235 return (rv); 236 } 237 238 void 239 usage(void) 240 { 241 fprintf(stderr, "usage: mount_hpfs [-u user] [-g group] [-m mask] bdev dir\n"); 242 exit(EX_USAGE); 243 } 244 245 void 246 load_u2wtable (struct hpfs_args *pargs, char *name) 247 { 248 FILE *f; 249 int i, code; 250 char buf[128]; 251 char *fn; 252 253 if (*name == '/') 254 fn = name; 255 else { 256 snprintf(buf, sizeof(buf), "/usr/libdata/msdosfs/%s", name); 257 buf[127] = '\0'; 258 fn = buf; 259 } 260 if ((f = fopen(fn, "r")) == NULL) 261 err(EX_NOINPUT, "%s", fn); 262 for (i = 0; i < 128; i++) { 263 if (fscanf(f, "%i", &code) != 1) 264 errx(EX_DATAERR, "u2w: missing item number %d", i); 265 /* pargs->u2w[i] = code; */ 266 } 267 for (i = 0; i < 128; i++) { 268 if (fscanf(f, "%i", &code) != 1) 269 errx(EX_DATAERR, "d2u: missing item number %d", i); 270 pargs->d2u[i] = code; 271 } 272 for (i = 0; i < 128; i++) { 273 if (fscanf(f, "%i", &code) != 1) 274 errx(EX_DATAERR, "u2d: missing item number %d", i); 275 pargs->u2d[i] = code; 276 } 277 fclose(f); 278 } 279