1 /* $NetBSD: makefs.c,v 1.49 2013/02/03 06:16:53 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 #if HAVE_NBTOOL_CONFIG_H 39 #include "nbtool_config.h" 40 #endif 41 42 #include <sys/cdefs.h> 43 #if defined(__RCSID) && !defined(__lint) 44 __RCSID("$NetBSD: makefs.c,v 1.49 2013/02/03 06:16:53 christos Exp $"); 45 #endif /* !__lint */ 46 47 #include <assert.h> 48 #include <ctype.h> 49 #include <errno.h> 50 #include <limits.h> 51 #include <stdio.h> 52 #include <stdlib.h> 53 #include <string.h> 54 #include <unistd.h> 55 #include <stdbool.h> 56 #include <util.h> 57 58 #include "makefs.h" 59 #include "mtree.h" 60 #include "cd9660.h" 61 62 /* 63 * list of supported file systems and dispatch functions 64 */ 65 typedef struct { 66 const char *type; 67 void (*prepare_options)(fsinfo_t *); 68 int (*parse_options)(const char *, fsinfo_t *); 69 void (*cleanup_options)(fsinfo_t *); 70 void (*make_fs)(const char *, const char *, fsnode *, 71 fsinfo_t *); 72 } fstype_t; 73 74 static fstype_t fstypes[] = { 75 #define ENTRY(name) { \ 76 # name, name ## _prep_opts, name ## _parse_opts, \ 77 name ## _cleanup_opts, name ## _makefs \ 78 } 79 ENTRY(ffs), 80 ENTRY(cd9660), 81 ENTRY(chfs), 82 ENTRY(v7fs), 83 ENTRY(msdos), 84 { .type = NULL }, 85 }; 86 87 u_int debug; 88 struct timespec start_time; 89 90 static fstype_t *get_fstype(const char *); 91 static void usage(fstype_t *, fsinfo_t *) __dead; 92 93 int 94 main(int argc, char *argv[]) 95 { 96 struct timeval start; 97 fstype_t *fstype; 98 fsinfo_t fsoptions; 99 fsnode *root; 100 int ch, i, len; 101 char *specfile; 102 103 setprogname(argv[0]); 104 105 debug = 0; 106 if ((fstype = get_fstype(DEFAULT_FSTYPE)) == NULL) 107 errx(1, "Unknown default fs type `%s'.", DEFAULT_FSTYPE); 108 109 /* set default fsoptions */ 110 (void)memset(&fsoptions, 0, sizeof(fsoptions)); 111 fsoptions.fd = -1; 112 fsoptions.sectorsize = -1; 113 114 if (fstype->prepare_options) 115 fstype->prepare_options(&fsoptions); 116 117 specfile = NULL; 118 if (gettimeofday(&start, NULL) == -1) 119 err(1, "Unable to get system time"); 120 121 start_time.tv_sec = start.tv_sec; 122 start_time.tv_nsec = start.tv_usec * 1000; 123 124 while ((ch = getopt(argc, argv, "B:b:d:f:F:M:m:N:O:o:rs:S:t:xZ")) != -1) { 125 switch (ch) { 126 127 case 'B': 128 if (strcmp(optarg, "be") == 0 || 129 strcmp(optarg, "4321") == 0 || 130 strcmp(optarg, "big") == 0) { 131 #if BYTE_ORDER == LITTLE_ENDIAN 132 fsoptions.needswap = 1; 133 #endif 134 } else if (strcmp(optarg, "le") == 0 || 135 strcmp(optarg, "1234") == 0 || 136 strcmp(optarg, "little") == 0) { 137 #if BYTE_ORDER == BIG_ENDIAN 138 fsoptions.needswap = 1; 139 #endif 140 } else { 141 warnx("Invalid endian `%s'.", optarg); 142 usage(fstype, &fsoptions); 143 } 144 break; 145 146 case 'b': 147 len = strlen(optarg) - 1; 148 if (optarg[len] == '%') { 149 optarg[len] = '\0'; 150 fsoptions.freeblockpc = 151 strsuftoll("free block percentage", 152 optarg, 0, 99); 153 } else { 154 fsoptions.freeblocks = 155 strsuftoll("free blocks", 156 optarg, 0, LLONG_MAX); 157 } 158 break; 159 160 case 'd': 161 debug = strtoll(optarg, NULL, 0); 162 break; 163 164 case 'f': 165 len = strlen(optarg) - 1; 166 if (optarg[len] == '%') { 167 optarg[len] = '\0'; 168 fsoptions.freefilepc = 169 strsuftoll("free file percentage", 170 optarg, 0, 99); 171 } else { 172 fsoptions.freefiles = 173 strsuftoll("free files", 174 optarg, 0, LLONG_MAX); 175 } 176 break; 177 178 case 'F': 179 specfile = optarg; 180 break; 181 182 case 'M': 183 fsoptions.minsize = 184 strsuftoll("minimum size", optarg, 1LL, LLONG_MAX); 185 break; 186 187 case 'N': 188 if (! setup_getid(optarg)) 189 errx(1, 190 "Unable to use user and group databases in `%s'", 191 optarg); 192 break; 193 194 case 'm': 195 fsoptions.maxsize = 196 strsuftoll("maximum size", optarg, 1LL, LLONG_MAX); 197 break; 198 199 case 'O': 200 fsoptions.offset = 201 strsuftoll("offset", optarg, 0LL, LLONG_MAX); 202 break; 203 204 case 'o': 205 { 206 char *p; 207 208 while ((p = strsep(&optarg, ",")) != NULL) { 209 if (*p == '\0') 210 errx(1, "Empty option"); 211 if (! fstype->parse_options(p, &fsoptions)) 212 usage(fstype, &fsoptions); 213 } 214 break; 215 } 216 217 case 'r': 218 fsoptions.replace = 1; 219 break; 220 221 case 's': 222 fsoptions.minsize = fsoptions.maxsize = 223 strsuftoll("size", optarg, 1LL, LLONG_MAX); 224 break; 225 226 case 'S': 227 fsoptions.sectorsize = 228 (int)strsuftoll("sector size", optarg, 229 1LL, INT_MAX); 230 break; 231 232 case 't': 233 /* Check current one and cleanup if necessary. */ 234 if (fstype->cleanup_options) 235 fstype->cleanup_options(&fsoptions); 236 fsoptions.fs_specific = NULL; 237 if ((fstype = get_fstype(optarg)) == NULL) 238 errx(1, "Unknown fs type `%s'.", optarg); 239 fstype->prepare_options(&fsoptions); 240 break; 241 242 case 'x': 243 fsoptions.onlyspec = 1; 244 break; 245 246 case 'Z': 247 fsoptions.sparse = 1; 248 break; 249 250 case '?': 251 default: 252 usage(fstype, &fsoptions); 253 /* NOTREACHED */ 254 255 } 256 } 257 if (debug) { 258 printf("debug mask: 0x%08x\n", debug); 259 printf("start time: %ld.%ld, %s", 260 (long)start_time.tv_sec, (long)start_time.tv_nsec, 261 ctime(&start_time.tv_sec)); 262 } 263 argc -= optind; 264 argv += optind; 265 266 if (argc < 2) 267 usage(fstype, &fsoptions); 268 269 /* -x must be accompanied by -F */ 270 if (fsoptions.onlyspec != 0 && specfile == NULL) 271 errx(1, "-x requires -F mtree-specfile."); 272 273 /* walk the tree */ 274 TIMER_START(start); 275 root = walk_dir(argv[1], ".", NULL, NULL, fsoptions.replace); 276 TIMER_RESULTS(start, "walk_dir"); 277 278 /* append extra directory */ 279 for (i = 2; i < argc; i++) { 280 struct stat sb; 281 if (stat(argv[i], &sb) == -1) 282 err(1, "Can't stat `%s'", argv[i]); 283 if (!S_ISDIR(sb.st_mode)) 284 errx(1, "%s: not a directory", argv[i]); 285 TIMER_START(start); 286 root = walk_dir(argv[i], ".", NULL, root, fsoptions.replace); 287 TIMER_RESULTS(start, "walk_dir2"); 288 } 289 290 if (specfile) { /* apply a specfile */ 291 TIMER_START(start); 292 apply_specfile(specfile, argv[1], root, fsoptions.onlyspec); 293 TIMER_RESULTS(start, "apply_specfile"); 294 } 295 296 if (debug & DEBUG_DUMP_FSNODES) { 297 printf("\nparent: %s\n", argv[1]); 298 dump_fsnodes(root); 299 putchar('\n'); 300 } 301 302 /* build the file system */ 303 TIMER_START(start); 304 fstype->make_fs(argv[0], argv[1], root, &fsoptions); 305 TIMER_RESULTS(start, "make_fs"); 306 307 free_fsnodes(root); 308 309 exit(0); 310 /* NOTREACHED */ 311 } 312 313 int 314 set_option(const option_t *options, const char *option, char *buf, size_t len) 315 { 316 char *var, *val; 317 int retval; 318 319 assert(option != NULL); 320 321 var = estrdup(option); 322 for (val = var; *val; val++) 323 if (*val == '=') { 324 *val++ = '\0'; 325 break; 326 } 327 retval = set_option_var(options, var, val, buf, len); 328 free(var); 329 return retval; 330 } 331 332 int 333 set_option_var(const option_t *options, const char *var, const char *val, 334 char *buf, size_t len) 335 { 336 char *s; 337 size_t i; 338 339 #define NUM(type) \ 340 if (!*val) { \ 341 *(type *)options[i].value = 1; \ 342 break; \ 343 } \ 344 *(type *)options[i].value = (type)strsuftoll(options[i].desc, val, \ 345 options[i].minimum, options[i].maximum); break 346 347 for (i = 0; options[i].name != NULL; i++) { 348 if (var[1] == '\0') { 349 if (options[i].letter != var[0]) 350 continue; 351 } else if (strcmp(options[i].name, var) != 0) 352 continue; 353 switch (options[i].type) { 354 case OPT_BOOL: 355 *(bool *)options[i].value = 1; 356 break; 357 case OPT_STRARRAY: 358 strlcpy((void *)options[i].value, val, (size_t) 359 options[i].maximum); 360 break; 361 case OPT_STRPTR: 362 s = estrdup(val); 363 *(char **)options[i].value = s; 364 break; 365 case OPT_STRBUF: 366 if (buf == NULL) 367 abort(); 368 strlcpy(buf, val, len); 369 break; 370 case OPT_INT64: 371 NUM(uint64_t); 372 case OPT_INT32: 373 NUM(uint32_t); 374 case OPT_INT16: 375 NUM(uint16_t); 376 case OPT_INT8: 377 NUM(uint8_t); 378 default: 379 warnx("Unknown type %d in option %s", options[i].type, 380 val); 381 return 0; 382 } 383 return i; 384 } 385 warnx("Unknown option `%s'", var); 386 return -1; 387 } 388 389 390 static fstype_t * 391 get_fstype(const char *type) 392 { 393 int i; 394 395 for (i = 0; fstypes[i].type != NULL; i++) 396 if (strcmp(fstypes[i].type, type) == 0) 397 return (&fstypes[i]); 398 return (NULL); 399 } 400 401 option_t * 402 copy_opts(const option_t *o) 403 { 404 size_t i; 405 for (i = 0; o[i].name; i++) 406 continue; 407 i++; 408 return memcpy(ecalloc(i, sizeof(*o)), o, i * sizeof(*o)); 409 } 410 411 static void 412 usage(fstype_t *fstype, fsinfo_t *fsoptions) 413 { 414 const char *prog; 415 416 prog = getprogname(); 417 fprintf(stderr, 418 "Usage: %s [-rxZ] [-B endian] [-b free-blocks] [-d debug-mask]\n" 419 "\t[-F mtree-specfile] [-f free-files] [-M minimum-size] [-m maximum-size]\n" 420 "\t[-N userdb-dir] [-O offset] [-o fs-options] [-S sector-size]\n" 421 "\t[-s image-size] [-t fs-type] image-file directory [extra-directory ...]\n", 422 prog); 423 424 if (fstype) { 425 size_t i; 426 option_t *o = fsoptions->fs_options; 427 428 fprintf(stderr, "\n%s specific options:\n", fstype->type); 429 for (i = 0; o[i].name != NULL; i++) 430 fprintf(stderr, "\t%c%c%20.20s\t%s\n", 431 o[i].letter ? o[i].letter : ' ', 432 o[i].letter ? ',' : ' ', 433 o[i].name, o[i].desc); 434 } 435 exit(1); 436 } 437