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 82 static fstype_t *get_fstype(const char *); 83 static void usage(void); 84 int main(int, char *[]); 85 86 int 87 main(int argc, char *argv[]) 88 { 89 struct stat sb; 90 struct timeval start; 91 fstype_t *fstype; 92 fsinfo_t fsoptions; 93 fsnode *root; 94 int ch, i, len; 95 char *subtree; 96 char *specfile; 97 98 setprogname(argv[0]); 99 100 debug = 0; 101 if ((fstype = get_fstype(DEFAULT_FSTYPE)) == NULL) 102 errx(1, "Unknown default fs type `%s'.", DEFAULT_FSTYPE); 103 104 /* set default fsoptions */ 105 (void)memset(&fsoptions, 0, sizeof(fsoptions)); 106 fsoptions.fd = -1; 107 fsoptions.sectorsize = -1; 108 109 if (fstype->prepare_options) 110 fstype->prepare_options(&fsoptions); 111 112 specfile = NULL; 113 if (gettimeofday(&start, NULL) == -1) 114 err(1, "Unable to get system time"); 115 116 start_time.tv_sec = start.tv_sec; 117 start_time.tv_nsec = start.tv_usec * 1000; 118 119 while ((ch = getopt(argc, argv, "B:b:Dd:f:F:M:m:N:o:pR:s:S:t:xZ")) != -1) { 120 switch (ch) { 121 122 case 'B': 123 if (strcmp(optarg, "be") == 0 || 124 strcmp(optarg, "4321") == 0 || 125 strcmp(optarg, "big") == 0) { 126 #if BYTE_ORDER == LITTLE_ENDIAN 127 fsoptions.needswap = 1; 128 #endif 129 } else if (strcmp(optarg, "le") == 0 || 130 strcmp(optarg, "1234") == 0 || 131 strcmp(optarg, "little") == 0) { 132 #if BYTE_ORDER == BIG_ENDIAN 133 fsoptions.needswap = 1; 134 #endif 135 } else { 136 warnx("Invalid endian `%s'.", optarg); 137 usage(); 138 } 139 break; 140 141 case 'b': 142 len = strlen(optarg) - 1; 143 if (optarg[len] == '%') { 144 optarg[len] = '\0'; 145 fsoptions.freeblockpc = 146 strsuftoll("free block percentage", 147 optarg, 0, 99); 148 } else { 149 fsoptions.freeblocks = 150 strsuftoll("free blocks", 151 optarg, 0, LLONG_MAX); 152 } 153 break; 154 155 case 'D': 156 dupsok = 1; 157 break; 158 159 case 'd': 160 debug = strtoll(optarg, NULL, 0); 161 break; 162 163 case 'f': 164 len = strlen(optarg) - 1; 165 if (optarg[len] == '%') { 166 optarg[len] = '\0'; 167 fsoptions.freefilepc = 168 strsuftoll("free file percentage", 169 optarg, 0, 99); 170 } else { 171 fsoptions.freefiles = 172 strsuftoll("free files", 173 optarg, 0, LLONG_MAX); 174 } 175 break; 176 177 case 'F': 178 specfile = optarg; 179 break; 180 181 case 'M': 182 fsoptions.minsize = 183 strsuftoll("minimum size", optarg, 1LL, LLONG_MAX); 184 break; 185 186 case 'N': 187 if (! setup_getid(optarg)) 188 errx(1, 189 "Unable to use user and group databases in `%s'", 190 optarg); 191 break; 192 193 case 'm': 194 fsoptions.maxsize = 195 strsuftoll("maximum size", optarg, 1LL, LLONG_MAX); 196 break; 197 198 case 'o': 199 { 200 char *p; 201 202 while ((p = strsep(&optarg, ",")) != NULL) { 203 if (*p == '\0') 204 errx(1, "Empty option"); 205 if (! fstype->parse_options(p, &fsoptions)) 206 usage(); 207 } 208 break; 209 } 210 case 'p': 211 /* Deprecated in favor of 'Z' */ 212 fsoptions.sparse = 1; 213 break; 214 215 case 'R': 216 /* Round image size up to specified block size */ 217 fsoptions.roundup = 218 strsuftoll("roundup-size", optarg, 0, LLONG_MAX); 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 /* Superscedes 'p' for compatibility with NetBSD makefs(8) */ 248 fsoptions.sparse = 1; 249 break; 250 251 case '?': 252 default: 253 usage(); 254 /* NOTREACHED */ 255 256 } 257 } 258 if (debug) { 259 printf("debug mask: 0x%08x\n", debug); 260 printf("start time: %ld.%ld, %s", 261 (long)start_time.tv_sec, (long)start_time.tv_nsec, 262 ctime(&start_time.tv_sec)); 263 } 264 argc -= optind; 265 argv += optind; 266 267 if (argc < 2) 268 usage(); 269 270 /* -x must be accompanied by -F */ 271 if (fsoptions.onlyspec != 0 && specfile == NULL) 272 errx(1, "-x requires -F mtree-specfile."); 273 274 /* Accept '-' as meaning "read from standard input". */ 275 if (strcmp(argv[1], "-") == 0) 276 sb.st_mode = S_IFREG; 277 else { 278 if (stat(argv[1], &sb) == -1) 279 err(1, "Can't stat `%s'", argv[1]); 280 } 281 282 switch (sb.st_mode & S_IFMT) { 283 case S_IFDIR: /* walk the tree */ 284 subtree = argv[1]; 285 TIMER_START(start); 286 root = walk_dir(subtree, ".", NULL, NULL); 287 TIMER_RESULTS(start, "walk_dir"); 288 break; 289 case S_IFREG: /* read the manifest file */ 290 subtree = "."; 291 TIMER_START(start); 292 root = read_mtree(argv[1], NULL); 293 TIMER_RESULTS(start, "manifest"); 294 break; 295 default: 296 errx(1, "%s: not a file or directory", argv[1]); 297 /* NOTREACHED */ 298 } 299 300 /* append extra directory */ 301 for (i = 2; i < argc; i++) { 302 if (stat(argv[i], &sb) == -1) 303 err(1, "Can't stat `%s'", argv[i]); 304 if (!S_ISDIR(sb.st_mode)) 305 errx(1, "%s: not a directory", argv[i]); 306 TIMER_START(start); 307 root = walk_dir(argv[i], ".", NULL, root); 308 TIMER_RESULTS(start, "walk_dir2"); 309 } 310 311 if (specfile) { /* apply a specfile */ 312 TIMER_START(start); 313 apply_specfile(specfile, subtree, root, fsoptions.onlyspec); 314 TIMER_RESULTS(start, "apply_specfile"); 315 } 316 317 if (debug & DEBUG_DUMP_FSNODES) { 318 printf("\nparent: %s\n", subtree); 319 dump_fsnodes(root); 320 putchar('\n'); 321 } 322 323 /* build the file system */ 324 TIMER_START(start); 325 fstype->make_fs(argv[0], subtree, root, &fsoptions); 326 TIMER_RESULTS(start, "make_fs"); 327 328 free_fsnodes(root); 329 330 exit(0); 331 /* NOTREACHED */ 332 } 333 334 335 int 336 set_option(option_t *options, const char *var, const char *val) 337 { 338 int i; 339 340 for (i = 0; options[i].name != NULL; i++) { 341 if (strcmp(options[i].name, var) != 0) 342 continue; 343 *options[i].value = (int)strsuftoll(options[i].desc, val, 344 options[i].minimum, options[i].maximum); 345 return (1); 346 } 347 warnx("Unknown option `%s'", var); 348 return (0); 349 } 350 351 352 static fstype_t * 353 get_fstype(const char *type) 354 { 355 int i; 356 357 for (i = 0; fstypes[i].type != NULL; i++) 358 if (strcmp(fstypes[i].type, type) == 0) 359 return (&fstypes[i]); 360 return (NULL); 361 } 362 363 static void 364 usage(void) 365 { 366 const char *prog; 367 368 prog = getprogname(); 369 fprintf(stderr, 370 "usage: %s [-t fs-type] [-o fs-options] [-d debug-mask] [-B endian]\n" 371 "\t[-S sector-size] [-M minimum-size] [-m maximum-size] [-R roundup-size]\n" 372 "\t[-s image-size] [-b free-blocks] [-f free-files] [-F mtree-specfile]\n" 373 "\t[-xZ] [-N userdb-dir] image-file directory | manifest [extra-directory ...]\n", 374 prog); 375 exit(1); 376 } 377