1 /* $NetBSD: makefs.c,v 1.31 2012/01/28 02:35:46 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 1.31 2012/01/28 02:35:46 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 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 { "v7fs", v7fs_prep_opts, v7fs_parse_opts, v7fs_cleanup_opts, 77 v7fs_makefs }, 78 { .type = NULL }, 79 }; 80 81 u_int debug; 82 struct timespec start_time; 83 84 static fstype_t *get_fstype(const char *); 85 static void usage(void); 86 int main(int, char *[]); 87 88 int 89 main(int argc, char *argv[]) 90 { 91 struct timeval start; 92 fstype_t *fstype; 93 fsinfo_t fsoptions; 94 fsnode *root; 95 int ch, i, len; 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:d:f:F:M:m:N:o:s:S:t:x")) != -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 debug = strtoll(optarg, NULL, 0); 157 break; 158 159 case 'f': 160 len = strlen(optarg) - 1; 161 if (optarg[len] == '%') { 162 optarg[len] = '\0'; 163 fsoptions.freefilepc = 164 strsuftoll("free file percentage", 165 optarg, 0, 99); 166 } else { 167 fsoptions.freefiles = 168 strsuftoll("free files", 169 optarg, 0, LLONG_MAX); 170 } 171 break; 172 173 case 'F': 174 specfile = optarg; 175 break; 176 177 case 'M': 178 fsoptions.minsize = 179 strsuftoll("minimum size", optarg, 1LL, LLONG_MAX); 180 break; 181 182 case 'N': 183 if (! setup_getid(optarg)) 184 errx(1, 185 "Unable to use user and group databases in `%s'", 186 optarg); 187 break; 188 189 case 'm': 190 fsoptions.maxsize = 191 strsuftoll("maximum size", optarg, 1LL, LLONG_MAX); 192 break; 193 194 case 'o': 195 { 196 char *p; 197 198 while ((p = strsep(&optarg, ",")) != NULL) { 199 if (*p == '\0') 200 errx(1, "Empty option"); 201 if (! fstype->parse_options(p, &fsoptions)) 202 usage(); 203 } 204 break; 205 } 206 207 case 's': 208 fsoptions.minsize = fsoptions.maxsize = 209 strsuftoll("size", optarg, 1LL, LLONG_MAX); 210 break; 211 212 case 'S': 213 fsoptions.sectorsize = 214 (int)strsuftoll("sector size", optarg, 215 1LL, INT_MAX); 216 break; 217 218 case 't': 219 /* Check current one and cleanup if necessary. */ 220 if (fstype->cleanup_options) 221 fstype->cleanup_options(&fsoptions); 222 fsoptions.fs_specific = NULL; 223 if ((fstype = get_fstype(optarg)) == NULL) 224 errx(1, "Unknown fs type `%s'.", optarg); 225 fstype->prepare_options(&fsoptions); 226 break; 227 228 case 'x': 229 fsoptions.onlyspec = 1; 230 break; 231 232 case '?': 233 default: 234 usage(); 235 /* NOTREACHED */ 236 237 } 238 } 239 if (debug) { 240 printf("debug mask: 0x%08x\n", debug); 241 printf("start time: %ld.%ld, %s", 242 (long)start_time.tv_sec, (long)start_time.tv_nsec, 243 ctime(&start_time.tv_sec)); 244 } 245 argc -= optind; 246 argv += optind; 247 248 if (argc < 2) 249 usage(); 250 251 /* -x must be accompanied by -F */ 252 if (fsoptions.onlyspec != 0 && specfile == NULL) 253 errx(1, "-x requires -F mtree-specfile."); 254 255 /* walk the tree */ 256 TIMER_START(start); 257 root = walk_dir(argv[1], ".", NULL, NULL); 258 TIMER_RESULTS(start, "walk_dir"); 259 260 /* append extra directory */ 261 for (i = 2; i < argc; i++) { 262 struct stat sb; 263 if (stat(argv[i], &sb) == -1) 264 err(1, "Can't stat `%s'", argv[i]); 265 if (!S_ISDIR(sb.st_mode)) 266 errx(1, "%s: not a directory", argv[i]); 267 TIMER_START(start); 268 root = walk_dir(argv[i], ".", NULL, root); 269 TIMER_RESULTS(start, "walk_dir2"); 270 } 271 272 if (specfile) { /* apply a specfile */ 273 TIMER_START(start); 274 apply_specfile(specfile, argv[1], root, fsoptions.onlyspec); 275 TIMER_RESULTS(start, "apply_specfile"); 276 } 277 278 if (debug & DEBUG_DUMP_FSNODES) { 279 printf("\nparent: %s\n", argv[1]); 280 dump_fsnodes(root); 281 putchar('\n'); 282 } 283 284 /* build the file system */ 285 TIMER_START(start); 286 fstype->make_fs(argv[0], argv[1], root, &fsoptions); 287 TIMER_RESULTS(start, "make_fs"); 288 289 free_fsnodes(root); 290 291 exit(0); 292 /* NOTREACHED */ 293 } 294 295 296 int 297 set_option(option_t *options, const char *var, const char *val) 298 { 299 int i; 300 301 for (i = 0; options[i].name != NULL; i++) { 302 if (strcmp(options[i].name, var) != 0) 303 continue; 304 *options[i].value = (int)strsuftoll(options[i].desc, val, 305 options[i].minimum, options[i].maximum); 306 return (1); 307 } 308 warnx("Unknown option `%s'", var); 309 return (0); 310 } 311 312 313 static fstype_t * 314 get_fstype(const char *type) 315 { 316 int i; 317 318 for (i = 0; fstypes[i].type != NULL; i++) 319 if (strcmp(fstypes[i].type, type) == 0) 320 return (&fstypes[i]); 321 return (NULL); 322 } 323 324 static void 325 usage(void) 326 { 327 const char *prog; 328 329 prog = getprogname(); 330 fprintf(stderr, 331 "usage: %s [-x] [-B endian] [-b free-blocks] [-d debug-mask]\n" 332 "\t[-F mtree-specfile] [-f free-files] [-M minimum-size]\n" 333 "\t[-m maximum-size] [-N userdb-dir] [-o fs-options] [-S sector-size]\n" 334 "\t[-s image-size] [-t fs-type] image-file directory [extra-directory ...]\n", 335 prog); 336 exit(1); 337 } 338