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