1 /* $NetBSD: makefs.c,v 1.26 2006/10/22 21:11:56 christos Exp $ */ 2 3 /* 4 * Copyright (c) 2001-2003 Wasabi Systems, Inc. 5 * All rights reserved. 6 * 7 * Written by Luke Mewburn for Wasabi Systems, Inc. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed for the NetBSD Project by 20 * Wasabi Systems, Inc. 21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22 * or promote products derived from this software without specific prior 23 * written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 38 #include <sys/cdefs.h> 39 __FBSDID("$FreeBSD$"); 40 41 #include <sys/types.h> 42 #include <sys/stat.h> 43 #include <assert.h> 44 #include <ctype.h> 45 #include <errno.h> 46 #include <limits.h> 47 #include <stdio.h> 48 #include <stdlib.h> 49 #include <string.h> 50 #include <time.h> 51 #include <unistd.h> 52 53 #include "makefs.h" 54 #include "mtree.h" 55 56 /* 57 * list of supported file systems and dispatch functions 58 */ 59 typedef struct { 60 const char *type; 61 void (*prepare_options)(fsinfo_t *); 62 int (*parse_options)(const char *, fsinfo_t *); 63 void (*cleanup_options)(fsinfo_t *); 64 void (*make_fs)(const char *, const char *, fsnode *, 65 fsinfo_t *); 66 } fstype_t; 67 68 static fstype_t fstypes[] = { 69 #define ENTRY(name) { \ 70 # name, name ## _prep_opts, name ## _parse_opts, \ 71 name ## _cleanup_opts, name ## _makefs \ 72 } 73 ENTRY(ffs), 74 ENTRY(cd9660), 75 { .type = NULL }, 76 }; 77 78 u_int debug; 79 int dupsok; 80 struct timespec start_time; 81 struct stat stampst; 82 83 static fstype_t *get_fstype(const char *); 84 static int get_tstamp(const char *, struct stat *); 85 static void usage(void); 86 int main(int, char *[]); 87 88 int 89 main(int argc, char *argv[]) 90 { 91 struct stat sb; 92 struct timeval start; 93 fstype_t *fstype; 94 fsinfo_t fsoptions; 95 fsnode *root; 96 int ch, i, len; 97 char *subtree; 98 char *specfile; 99 100 setprogname(argv[0]); 101 102 debug = 0; 103 if ((fstype = get_fstype(DEFAULT_FSTYPE)) == NULL) 104 errx(1, "Unknown default fs type `%s'.", DEFAULT_FSTYPE); 105 106 /* set default fsoptions */ 107 (void)memset(&fsoptions, 0, sizeof(fsoptions)); 108 fsoptions.fd = -1; 109 fsoptions.sectorsize = -1; 110 111 if (fstype->prepare_options) 112 fstype->prepare_options(&fsoptions); 113 114 specfile = NULL; 115 ch = gettimeofday(&start, NULL); 116 start_time.tv_sec = start.tv_sec; 117 start_time.tv_nsec = start.tv_usec * 1000; 118 119 if (ch == -1) 120 err(1, "Unable to get system time"); 121 122 123 while ((ch = getopt(argc, argv, "B:b:Dd:f:F:M:m:N:o:pR:s:S:t:T:xZ")) != -1) { 124 switch (ch) { 125 126 case 'B': 127 if (strcmp(optarg, "be") == 0 || 128 strcmp(optarg, "4321") == 0 || 129 strcmp(optarg, "big") == 0) { 130 #if BYTE_ORDER == LITTLE_ENDIAN 131 fsoptions.needswap = 1; 132 #endif 133 } else if (strcmp(optarg, "le") == 0 || 134 strcmp(optarg, "1234") == 0 || 135 strcmp(optarg, "little") == 0) { 136 #if BYTE_ORDER == BIG_ENDIAN 137 fsoptions.needswap = 1; 138 #endif 139 } else { 140 warnx("Invalid endian `%s'.", optarg); 141 usage(); 142 } 143 break; 144 145 case 'b': 146 len = strlen(optarg) - 1; 147 if (optarg[len] == '%') { 148 optarg[len] = '\0'; 149 fsoptions.freeblockpc = 150 strsuftoll("free block percentage", 151 optarg, 0, 99); 152 } else { 153 fsoptions.freeblocks = 154 strsuftoll("free blocks", 155 optarg, 0, LLONG_MAX); 156 } 157 break; 158 159 case 'D': 160 dupsok = 1; 161 break; 162 163 case 'd': 164 debug = strtoll(optarg, NULL, 0); 165 break; 166 167 case 'f': 168 len = strlen(optarg) - 1; 169 if (optarg[len] == '%') { 170 optarg[len] = '\0'; 171 fsoptions.freefilepc = 172 strsuftoll("free file percentage", 173 optarg, 0, 99); 174 } else { 175 fsoptions.freefiles = 176 strsuftoll("free files", 177 optarg, 0, LLONG_MAX); 178 } 179 break; 180 181 case 'F': 182 specfile = optarg; 183 break; 184 185 case 'M': 186 fsoptions.minsize = 187 strsuftoll("minimum size", optarg, 1LL, LLONG_MAX); 188 break; 189 190 case 'N': 191 if (! setup_getid(optarg)) 192 errx(1, 193 "Unable to use user and group databases in `%s'", 194 optarg); 195 break; 196 197 case 'm': 198 fsoptions.maxsize = 199 strsuftoll("maximum size", optarg, 1LL, LLONG_MAX); 200 break; 201 202 case 'o': 203 { 204 char *p; 205 206 while ((p = strsep(&optarg, ",")) != NULL) { 207 if (*p == '\0') 208 errx(1, "Empty option"); 209 if (! fstype->parse_options(p, &fsoptions)) 210 usage(); 211 } 212 break; 213 } 214 case 'p': 215 /* Deprecated in favor of 'Z' */ 216 fsoptions.sparse = 1; 217 break; 218 219 case 'R': 220 /* Round image size up to specified block size */ 221 fsoptions.roundup = 222 strsuftoll("roundup-size", optarg, 0, LLONG_MAX); 223 break; 224 225 case 's': 226 fsoptions.minsize = fsoptions.maxsize = 227 strsuftoll("size", optarg, 1LL, LLONG_MAX); 228 break; 229 230 case 'S': 231 fsoptions.sectorsize = 232 (int)strsuftoll("sector size", optarg, 233 1LL, INT_MAX); 234 break; 235 236 case 't': 237 /* Check current one and cleanup if necessary. */ 238 if (fstype->cleanup_options) 239 fstype->cleanup_options(&fsoptions); 240 fsoptions.fs_specific = NULL; 241 if ((fstype = get_fstype(optarg)) == NULL) 242 errx(1, "Unknown fs type `%s'.", optarg); 243 fstype->prepare_options(&fsoptions); 244 break; 245 246 case 'T': 247 if (get_tstamp(optarg, &stampst) == -1) 248 errx(1, "Cannot get timestamp from `%s'", 249 optarg); 250 break; 251 252 case 'x': 253 fsoptions.onlyspec = 1; 254 break; 255 256 case 'Z': 257 /* Superscedes 'p' for compatibility with NetBSD makefs(8) */ 258 fsoptions.sparse = 1; 259 break; 260 261 case '?': 262 default: 263 usage(); 264 /* NOTREACHED */ 265 266 } 267 } 268 if (debug) { 269 printf("debug mask: 0x%08x\n", debug); 270 printf("start time: %ld.%ld, %s", 271 (long)start_time.tv_sec, (long)start_time.tv_nsec, 272 ctime(&start_time.tv_sec)); 273 } 274 argc -= optind; 275 argv += optind; 276 277 if (argc < 2) 278 usage(); 279 280 /* -x must be accompanied by -F */ 281 if (fsoptions.onlyspec != 0 && specfile == NULL) 282 errx(1, "-x requires -F mtree-specfile."); 283 284 /* Accept '-' as meaning "read from standard input". */ 285 if (strcmp(argv[1], "-") == 0) 286 sb.st_mode = S_IFREG; 287 else { 288 if (stat(argv[1], &sb) == -1) 289 err(1, "Can't stat `%s'", argv[1]); 290 } 291 292 switch (sb.st_mode & S_IFMT) { 293 case S_IFDIR: /* walk the tree */ 294 subtree = argv[1]; 295 TIMER_START(start); 296 root = walk_dir(subtree, ".", NULL, NULL); 297 TIMER_RESULTS(start, "walk_dir"); 298 break; 299 case S_IFREG: /* read the manifest file */ 300 subtree = "."; 301 TIMER_START(start); 302 root = read_mtree(argv[1], NULL); 303 TIMER_RESULTS(start, "manifest"); 304 break; 305 default: 306 errx(1, "%s: not a file or directory", argv[1]); 307 /* NOTREACHED */ 308 } 309 310 /* append extra directory */ 311 for (i = 2; i < argc; i++) { 312 if (stat(argv[i], &sb) == -1) 313 err(1, "Can't stat `%s'", argv[i]); 314 if (!S_ISDIR(sb.st_mode)) 315 errx(1, "%s: not a directory", argv[i]); 316 TIMER_START(start); 317 root = walk_dir(argv[i], ".", NULL, root); 318 TIMER_RESULTS(start, "walk_dir2"); 319 } 320 321 if (specfile) { /* apply a specfile */ 322 TIMER_START(start); 323 apply_specfile(specfile, subtree, root, fsoptions.onlyspec); 324 TIMER_RESULTS(start, "apply_specfile"); 325 } 326 327 if (debug & DEBUG_DUMP_FSNODES) { 328 printf("\nparent: %s\n", subtree); 329 dump_fsnodes(root); 330 putchar('\n'); 331 } 332 333 /* build the file system */ 334 TIMER_START(start); 335 fstype->make_fs(argv[0], subtree, root, &fsoptions); 336 TIMER_RESULTS(start, "make_fs"); 337 338 free_fsnodes(root); 339 340 exit(0); 341 /* NOTREACHED */ 342 } 343 344 345 int 346 set_option(option_t *options, const char *var, const char *val) 347 { 348 int i; 349 350 for (i = 0; options[i].name != NULL; i++) { 351 if (strcmp(options[i].name, var) != 0) 352 continue; 353 *options[i].value = (int)strsuftoll(options[i].desc, val, 354 options[i].minimum, options[i].maximum); 355 return (1); 356 } 357 warnx("Unknown option `%s'", var); 358 return (0); 359 } 360 361 362 static fstype_t * 363 get_fstype(const char *type) 364 { 365 int i; 366 367 for (i = 0; fstypes[i].type != NULL; i++) 368 if (strcmp(fstypes[i].type, type) == 0) 369 return (&fstypes[i]); 370 return (NULL); 371 } 372 373 static int 374 get_tstamp(const char *b, struct stat *st) 375 { 376 time_t when; 377 char *eb; 378 long long l; 379 380 if (stat(b, st) != -1) 381 return 0; 382 383 { 384 errno = 0; 385 l = strtoll(b, &eb, 0); 386 if (b == eb || *eb || errno) 387 return -1; 388 when = (time_t)l; 389 } 390 391 st->st_ino = 1; 392 #ifdef HAVE_STRUCT_STAT_BIRTHTIME 393 st->st_birthtime = 394 #endif 395 st->st_mtime = st->st_ctime = st->st_atime = when; 396 return 0; 397 } 398 399 static void 400 usage(void) 401 { 402 const char *prog; 403 404 prog = getprogname(); 405 fprintf(stderr, 406 "usage: %s [-xZ] [-B endian] [-b free-blocks] [-d debug-mask]\n" 407 "\t[-F mtree-specfile] [-f free-files] [-M minimum-size] [-m maximum-size]\n" 408 "\t[-N userdb-dir] [-o fs-options] [-R roundup-size] [-S sector-size]\n" 409 "\t[-s image-size] [-T <timestamp/file>] [-t fs-type]\n" 410 "\timage-file directory | manifest [extra-directory ...]\n", 411 prog); 412 exit(1); 413 } 414