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 { "ffs", ffs_prep_opts, ffs_parse_opts, ffs_cleanup_opts, ffs_makefs }, 70 { "cd9660", cd9660_prep_opts, cd9660_parse_opts, cd9660_cleanup_opts, 71 cd9660_makefs}, 72 { .type = NULL }, 73 }; 74 75 u_int debug; 76 int dupsok; 77 struct timespec start_time; 78 79 static fstype_t *get_fstype(const char *); 80 static void usage(void); 81 int main(int, char *[]); 82 83 int 84 main(int argc, char *argv[]) 85 { 86 struct stat sb; 87 struct timeval start; 88 fstype_t *fstype; 89 fsinfo_t fsoptions; 90 fsnode *root; 91 int ch, i, len; 92 char *subtree; 93 char *specfile; 94 95 setprogname(argv[0]); 96 97 debug = 0; 98 if ((fstype = get_fstype(DEFAULT_FSTYPE)) == NULL) 99 errx(1, "Unknown default fs type `%s'.", DEFAULT_FSTYPE); 100 101 /* set default fsoptions */ 102 (void)memset(&fsoptions, 0, sizeof(fsoptions)); 103 fsoptions.fd = -1; 104 fsoptions.sectorsize = -1; 105 106 if (fstype->prepare_options) 107 fstype->prepare_options(&fsoptions); 108 109 specfile = NULL; 110 if (gettimeofday(&start, NULL) == -1) 111 err(1, "Unable to get system time"); 112 113 start_time.tv_sec = start.tv_sec; 114 start_time.tv_nsec = start.tv_usec * 1000; 115 116 while ((ch = getopt(argc, argv, "B:b:Dd:f:F:M:m:N:o:ps:S:t:xZ")) != -1) { 117 switch (ch) { 118 119 case 'B': 120 if (strcmp(optarg, "be") == 0 || 121 strcmp(optarg, "4321") == 0 || 122 strcmp(optarg, "big") == 0) { 123 #if BYTE_ORDER == LITTLE_ENDIAN 124 fsoptions.needswap = 1; 125 #endif 126 } else if (strcmp(optarg, "le") == 0 || 127 strcmp(optarg, "1234") == 0 || 128 strcmp(optarg, "little") == 0) { 129 #if BYTE_ORDER == BIG_ENDIAN 130 fsoptions.needswap = 1; 131 #endif 132 } else { 133 warnx("Invalid endian `%s'.", optarg); 134 usage(); 135 } 136 break; 137 138 case 'b': 139 len = strlen(optarg) - 1; 140 if (optarg[len] == '%') { 141 optarg[len] = '\0'; 142 fsoptions.freeblockpc = 143 strsuftoll("free block percentage", 144 optarg, 0, 99); 145 } else { 146 fsoptions.freeblocks = 147 strsuftoll("free blocks", 148 optarg, 0, LLONG_MAX); 149 } 150 break; 151 152 case 'D': 153 dupsok = 1; 154 break; 155 156 case 'd': 157 debug = strtoll(optarg, NULL, 0); 158 break; 159 160 case 'f': 161 len = strlen(optarg) - 1; 162 if (optarg[len] == '%') { 163 optarg[len] = '\0'; 164 fsoptions.freefilepc = 165 strsuftoll("free file percentage", 166 optarg, 0, 99); 167 } else { 168 fsoptions.freefiles = 169 strsuftoll("free files", 170 optarg, 0, LLONG_MAX); 171 } 172 break; 173 174 case 'F': 175 specfile = optarg; 176 break; 177 178 case 'M': 179 fsoptions.minsize = 180 strsuftoll("minimum size", optarg, 1LL, LLONG_MAX); 181 break; 182 183 case 'N': 184 if (! setup_getid(optarg)) 185 errx(1, 186 "Unable to use user and group databases in `%s'", 187 optarg); 188 break; 189 190 case 'm': 191 fsoptions.maxsize = 192 strsuftoll("maximum size", optarg, 1LL, LLONG_MAX); 193 break; 194 195 case 'o': 196 { 197 char *p; 198 199 while ((p = strsep(&optarg, ",")) != NULL) { 200 if (*p == '\0') 201 errx(1, "Empty option"); 202 if (! fstype->parse_options(p, &fsoptions)) 203 usage(); 204 } 205 break; 206 } 207 case 'p': 208 /* Deprecated in favor of 'Z' */ 209 fsoptions.sparse = 1; 210 break; 211 212 case 's': 213 fsoptions.minsize = fsoptions.maxsize = 214 strsuftoll("size", optarg, 1LL, LLONG_MAX); 215 break; 216 217 case 'S': 218 fsoptions.sectorsize = 219 (int)strsuftoll("sector size", optarg, 220 1LL, INT_MAX); 221 break; 222 223 case 't': 224 /* Check current one and cleanup if necessary. */ 225 if (fstype->cleanup_options) 226 fstype->cleanup_options(&fsoptions); 227 fsoptions.fs_specific = NULL; 228 if ((fstype = get_fstype(optarg)) == NULL) 229 errx(1, "Unknown fs type `%s'.", optarg); 230 fstype->prepare_options(&fsoptions); 231 break; 232 233 case 'x': 234 fsoptions.onlyspec = 1; 235 break; 236 237 case 'Z': 238 /* Superscedes 'p' for compatibility with NetBSD makefs(8) */ 239 fsoptions.sparse = 1; 240 break; 241 242 case '?': 243 default: 244 usage(); 245 /* NOTREACHED */ 246 247 } 248 } 249 if (debug) { 250 printf("debug mask: 0x%08x\n", debug); 251 printf("start time: %ld.%ld, %s", 252 (long)start_time.tv_sec, (long)start_time.tv_nsec, 253 ctime(&start_time.tv_sec)); 254 } 255 argc -= optind; 256 argv += optind; 257 258 if (argc < 2) 259 usage(); 260 261 /* -x must be accompanied by -F */ 262 if (fsoptions.onlyspec != 0 && specfile == NULL) 263 errx(1, "-x requires -F mtree-specfile."); 264 265 /* Accept '-' as meaning "read from standard input". */ 266 if (strcmp(argv[1], "-") == 0) 267 sb.st_mode = S_IFREG; 268 else { 269 if (stat(argv[1], &sb) == -1) 270 err(1, "Can't stat `%s'", argv[1]); 271 } 272 273 switch (sb.st_mode & S_IFMT) { 274 case S_IFDIR: /* walk the tree */ 275 subtree = argv[1]; 276 TIMER_START(start); 277 root = walk_dir(subtree, ".", NULL, NULL); 278 TIMER_RESULTS(start, "walk_dir"); 279 break; 280 case S_IFREG: /* read the manifest file */ 281 subtree = "."; 282 TIMER_START(start); 283 root = read_mtree(argv[1], NULL); 284 TIMER_RESULTS(start, "manifest"); 285 break; 286 default: 287 errx(1, "%s: not a file or directory", argv[1]); 288 /* NOTREACHED */ 289 } 290 291 /* append extra directory */ 292 for (i = 2; i < argc; i++) { 293 if (stat(argv[i], &sb) == -1) 294 err(1, "Can't stat `%s'", argv[i]); 295 if (!S_ISDIR(sb.st_mode)) 296 errx(1, "%s: not a directory", argv[i]); 297 TIMER_START(start); 298 root = walk_dir(argv[i], ".", NULL, root); 299 TIMER_RESULTS(start, "walk_dir2"); 300 } 301 302 if (specfile) { /* apply a specfile */ 303 TIMER_START(start); 304 apply_specfile(specfile, subtree, root, fsoptions.onlyspec); 305 TIMER_RESULTS(start, "apply_specfile"); 306 } 307 308 if (debug & DEBUG_DUMP_FSNODES) { 309 printf("\nparent: %s\n", subtree); 310 dump_fsnodes(root); 311 putchar('\n'); 312 } 313 314 /* build the file system */ 315 TIMER_START(start); 316 fstype->make_fs(argv[0], subtree, root, &fsoptions); 317 TIMER_RESULTS(start, "make_fs"); 318 319 free_fsnodes(root); 320 321 exit(0); 322 /* NOTREACHED */ 323 } 324 325 326 int 327 set_option(option_t *options, const char *var, const char *val) 328 { 329 int i; 330 331 for (i = 0; options[i].name != NULL; i++) { 332 if (strcmp(options[i].name, var) != 0) 333 continue; 334 *options[i].value = (int)strsuftoll(options[i].desc, val, 335 options[i].minimum, options[i].maximum); 336 return (1); 337 } 338 warnx("Unknown option `%s'", var); 339 return (0); 340 } 341 342 343 static fstype_t * 344 get_fstype(const char *type) 345 { 346 int i; 347 348 for (i = 0; fstypes[i].type != NULL; i++) 349 if (strcmp(fstypes[i].type, type) == 0) 350 return (&fstypes[i]); 351 return (NULL); 352 } 353 354 static void 355 usage(void) 356 { 357 const char *prog; 358 359 prog = getprogname(); 360 fprintf(stderr, 361 "usage: %s [-t fs-type] [-o fs-options] [-d debug-mask] [-B endian]\n" 362 "\t[-S sector-size] [-M minimum-size] [-m maximum-size] [-s image-size]\n" 363 "\t[-b free-blocks] [-f free-files] [-F mtree-specfile] [-xZ]\n" 364 "\t[-N userdb-dir] image-file directory | manifest [extra-directory ...]\n", 365 prog); 366 exit(1); 367 } 368