1 /* $NetBSD: makefs.c,v 1.35 2012/06/22 06:15:18 sjg 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 1.35 2012/06/22 06:15:18 sjg 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 56 #include "makefs.h" 57 #include "mtree.h" 58 #include "cd9660.h" 59 60 /* 61 * list of supported file systems and dispatch functions 62 */ 63 typedef struct { 64 const char *type; 65 void (*prepare_options)(fsinfo_t *); 66 int (*parse_options)(const char *, fsinfo_t *); 67 void (*cleanup_options)(fsinfo_t *); 68 void (*make_fs)(const char *, const char *, fsnode *, 69 fsinfo_t *); 70 } fstype_t; 71 72 static fstype_t fstypes[] = { 73 { "ffs", ffs_prep_opts, ffs_parse_opts, ffs_cleanup_opts, ffs_makefs }, 74 { "cd9660", cd9660_prep_opts, cd9660_parse_opts, cd9660_cleanup_opts, 75 cd9660_makefs}, 76 { "chfs", chfs_prep_opts, chfs_parse_opts, chfs_cleanup_opts, 77 chfs_makefs }, 78 { "v7fs", v7fs_prep_opts, v7fs_parse_opts, v7fs_cleanup_opts, 79 v7fs_makefs }, 80 { .type = NULL }, 81 }; 82 83 u_int debug; 84 struct timespec start_time; 85 86 static fstype_t *get_fstype(const char *); 87 static void usage(void) __dead; 88 89 int 90 main(int argc, char *argv[]) 91 { 92 struct timeval start; 93 fstype_t *fstype; 94 fsinfo_t fsoptions; 95 fsnode *root; 96 int ch, i, len; 97 char *specfile; 98 99 setprogname(argv[0]); 100 101 debug = 0; 102 if ((fstype = get_fstype(DEFAULT_FSTYPE)) == NULL) 103 errx(1, "Unknown default fs type `%s'.", DEFAULT_FSTYPE); 104 105 /* set default fsoptions */ 106 (void)memset(&fsoptions, 0, sizeof(fsoptions)); 107 fsoptions.fd = -1; 108 fsoptions.sectorsize = -1; 109 110 if (fstype->prepare_options) 111 fstype->prepare_options(&fsoptions); 112 113 specfile = NULL; 114 if (gettimeofday(&start, NULL) == -1) 115 err(1, "Unable to get system time"); 116 117 start_time.tv_sec = start.tv_sec; 118 start_time.tv_nsec = start.tv_usec * 1000; 119 120 while ((ch = getopt(argc, argv, "B:b:d:f:F:M:m:N:o:s:S:t:xZ")) != -1) { 121 switch (ch) { 122 123 case 'B': 124 if (strcmp(optarg, "be") == 0 || 125 strcmp(optarg, "4321") == 0 || 126 strcmp(optarg, "big") == 0) { 127 #if BYTE_ORDER == LITTLE_ENDIAN 128 fsoptions.needswap = 1; 129 #endif 130 } else if (strcmp(optarg, "le") == 0 || 131 strcmp(optarg, "1234") == 0 || 132 strcmp(optarg, "little") == 0) { 133 #if BYTE_ORDER == BIG_ENDIAN 134 fsoptions.needswap = 1; 135 #endif 136 } else { 137 warnx("Invalid endian `%s'.", optarg); 138 usage(); 139 } 140 break; 141 142 case 'b': 143 len = strlen(optarg) - 1; 144 if (optarg[len] == '%') { 145 optarg[len] = '\0'; 146 fsoptions.freeblockpc = 147 strsuftoll("free block percentage", 148 optarg, 0, 99); 149 } else { 150 fsoptions.freeblocks = 151 strsuftoll("free blocks", 152 optarg, 0, LLONG_MAX); 153 } 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 } 207 208 case 's': 209 fsoptions.minsize = fsoptions.maxsize = 210 strsuftoll("size", optarg, 1LL, LLONG_MAX); 211 break; 212 213 case 'S': 214 fsoptions.sectorsize = 215 (int)strsuftoll("sector size", optarg, 216 1LL, INT_MAX); 217 break; 218 219 case 't': 220 /* Check current one and cleanup if necessary. */ 221 if (fstype->cleanup_options) 222 fstype->cleanup_options(&fsoptions); 223 fsoptions.fs_specific = NULL; 224 if ((fstype = get_fstype(optarg)) == NULL) 225 errx(1, "Unknown fs type `%s'.", optarg); 226 fstype->prepare_options(&fsoptions); 227 break; 228 229 case 'x': 230 fsoptions.onlyspec = 1; 231 break; 232 233 case 'Z': 234 fsoptions.sparse = 1; 235 break; 236 237 case '?': 238 default: 239 usage(); 240 /* NOTREACHED */ 241 242 } 243 } 244 if (debug) { 245 printf("debug mask: 0x%08x\n", debug); 246 printf("start time: %ld.%ld, %s", 247 (long)start_time.tv_sec, (long)start_time.tv_nsec, 248 ctime(&start_time.tv_sec)); 249 } 250 argc -= optind; 251 argv += optind; 252 253 if (argc < 2) 254 usage(); 255 256 /* -x must be accompanied by -F */ 257 if (fsoptions.onlyspec != 0 && specfile == NULL) 258 errx(1, "-x requires -F mtree-specfile."); 259 260 /* walk the tree */ 261 TIMER_START(start); 262 root = walk_dir(argv[1], ".", NULL, NULL); 263 TIMER_RESULTS(start, "walk_dir"); 264 265 /* append extra directory */ 266 for (i = 2; i < argc; i++) { 267 struct stat sb; 268 if (stat(argv[i], &sb) == -1) 269 err(1, "Can't stat `%s'", argv[i]); 270 if (!S_ISDIR(sb.st_mode)) 271 errx(1, "%s: not a directory", argv[i]); 272 TIMER_START(start); 273 root = walk_dir(argv[i], ".", NULL, root); 274 TIMER_RESULTS(start, "walk_dir2"); 275 } 276 277 if (specfile) { /* apply a specfile */ 278 TIMER_START(start); 279 apply_specfile(specfile, argv[1], root, fsoptions.onlyspec); 280 TIMER_RESULTS(start, "apply_specfile"); 281 } 282 283 if (debug & DEBUG_DUMP_FSNODES) { 284 printf("\nparent: %s\n", argv[1]); 285 dump_fsnodes(root); 286 putchar('\n'); 287 } 288 289 /* build the file system */ 290 TIMER_START(start); 291 fstype->make_fs(argv[0], argv[1], root, &fsoptions); 292 TIMER_RESULTS(start, "make_fs"); 293 294 free_fsnodes(root); 295 296 exit(0); 297 /* NOTREACHED */ 298 } 299 300 301 int 302 set_option(const option_t *options, const char *var, const char *val) 303 { 304 int i; 305 306 for (i = 0; options[i].name != NULL; i++) { 307 if (strcmp(options[i].name, var) != 0) 308 continue; 309 *options[i].value = (int)strsuftoll(options[i].desc, val, 310 options[i].minimum, options[i].maximum); 311 return (1); 312 } 313 warnx("Unknown option `%s'", var); 314 return (0); 315 } 316 317 318 static fstype_t * 319 get_fstype(const char *type) 320 { 321 int i; 322 323 for (i = 0; fstypes[i].type != NULL; i++) 324 if (strcmp(fstypes[i].type, type) == 0) 325 return (&fstypes[i]); 326 return (NULL); 327 } 328 329 static void 330 usage(void) 331 { 332 const char *prog; 333 334 prog = getprogname(); 335 fprintf(stderr, 336 "usage: %s [-xZ] [-B endian] [-b free-blocks] [-d debug-mask]\n" 337 "\t[-F mtree-specfile] [-f free-files] [-M minimum-size]\n" 338 "\t[-m maximum-size] [-N userdb-dir] [-o fs-options] [-S sector-size]\n" 339 "\t[-s image-size] [-t fs-type] image-file directory [extra-directory ...]\n", 340 prog); 341 exit(1); 342 } 343