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 #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 1.26 2006/10/22 21:11:56 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 { .type = NULL }, 77 }; 78 79 u_int debug; 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 timeval start; 90 fstype_t *fstype; 91 fsinfo_t fsoptions; 92 fsnode *root; 93 int ch, len; 94 char *specfile; 95 96 setprogname(argv[0]); 97 98 debug = 0; 99 if ((fstype = get_fstype(DEFAULT_FSTYPE)) == NULL) 100 errx(1, "Unknown default fs type `%s'.", DEFAULT_FSTYPE); 101 102 /* set default fsoptions */ 103 (void)memset(&fsoptions, 0, sizeof(fsoptions)); 104 fsoptions.fd = -1; 105 fsoptions.sectorsize = -1; 106 107 if (fstype->prepare_options) 108 fstype->prepare_options(&fsoptions); 109 110 specfile = NULL; 111 if (gettimeofday(&start, NULL) == -1) 112 err(1, "Unable to get system time"); 113 114 start_time.tv_sec = start.tv_sec; 115 start_time.tv_nsec = start.tv_usec * 1000; 116 117 while ((ch = getopt(argc, argv, "B:b:d:f:F:M:m:N:o:s:S:t:x")) != -1) { 118 switch (ch) { 119 120 case 'B': 121 if (strcmp(optarg, "be") == 0 || 122 strcmp(optarg, "4321") == 0 || 123 strcmp(optarg, "big") == 0) { 124 #if BYTE_ORDER == LITTLE_ENDIAN 125 fsoptions.needswap = 1; 126 #endif 127 } else if (strcmp(optarg, "le") == 0 || 128 strcmp(optarg, "1234") == 0 || 129 strcmp(optarg, "little") == 0) { 130 #if BYTE_ORDER == BIG_ENDIAN 131 fsoptions.needswap = 1; 132 #endif 133 } else { 134 warnx("Invalid endian `%s'.", optarg); 135 usage(); 136 } 137 break; 138 139 case 'b': 140 len = strlen(optarg) - 1; 141 if (optarg[len] == '%') { 142 optarg[len] = '\0'; 143 fsoptions.freeblockpc = 144 strsuftoll("free block percentage", 145 optarg, 0, 99); 146 } else { 147 fsoptions.freeblocks = 148 strsuftoll("free blocks", 149 optarg, 0, LLONG_MAX); 150 } 151 break; 152 153 case 'd': 154 debug = strtoll(optarg, NULL, 0); 155 break; 156 157 case 'f': 158 len = strlen(optarg) - 1; 159 if (optarg[len] == '%') { 160 optarg[len] = '\0'; 161 fsoptions.freefilepc = 162 strsuftoll("free file percentage", 163 optarg, 0, 99); 164 } else { 165 fsoptions.freefiles = 166 strsuftoll("free files", 167 optarg, 0, LLONG_MAX); 168 } 169 break; 170 171 case 'F': 172 specfile = optarg; 173 break; 174 175 case 'M': 176 fsoptions.minsize = 177 strsuftoll("minimum size", optarg, 1LL, LLONG_MAX); 178 break; 179 180 case 'N': 181 if (! setup_getid(optarg)) 182 errx(1, 183 "Unable to use user and group databases in `%s'", 184 optarg); 185 break; 186 187 case 'm': 188 fsoptions.maxsize = 189 strsuftoll("maximum size", optarg, 1LL, LLONG_MAX); 190 break; 191 192 case 'o': 193 { 194 char *p; 195 196 while ((p = strsep(&optarg, ",")) != NULL) { 197 if (*p == '\0') 198 errx(1, "Empty option"); 199 if (! fstype->parse_options(p, &fsoptions)) 200 usage(); 201 } 202 break; 203 } 204 205 case 's': 206 fsoptions.minsize = fsoptions.maxsize = 207 strsuftoll("size", optarg, 1LL, LLONG_MAX); 208 break; 209 210 case 'S': 211 fsoptions.sectorsize = 212 (int)strsuftoll("sector size", optarg, 213 1LL, INT_MAX); 214 break; 215 216 case 't': 217 /* Check current one and cleanup if necessary. */ 218 if (fstype->cleanup_options) 219 fstype->cleanup_options(&fsoptions); 220 fsoptions.fs_specific = NULL; 221 if ((fstype = get_fstype(optarg)) == NULL) 222 errx(1, "Unknown fs type `%s'.", optarg); 223 fstype->prepare_options(&fsoptions); 224 break; 225 226 case 'x': 227 fsoptions.onlyspec = 1; 228 break; 229 230 case '?': 231 default: 232 usage(); 233 /* NOTREACHED */ 234 235 } 236 } 237 if (debug) { 238 printf("debug mask: 0x%08x\n", debug); 239 printf("start time: %ld.%ld, %s", 240 (long)start_time.tv_sec, (long)start_time.tv_nsec, 241 ctime(&start_time.tv_sec)); 242 } 243 argc -= optind; 244 argv += optind; 245 246 if (argc != 2) 247 usage(); 248 249 /* -x must be accompanied by -F */ 250 if (fsoptions.onlyspec != 0 && specfile == NULL) 251 errx(1, "-x requires -F mtree-specfile."); 252 253 /* walk the tree */ 254 TIMER_START(start); 255 root = walk_dir(argv[1], NULL); 256 TIMER_RESULTS(start, "walk_dir"); 257 258 if (specfile) { /* apply a specfile */ 259 TIMER_START(start); 260 apply_specfile(specfile, argv[1], root, fsoptions.onlyspec); 261 TIMER_RESULTS(start, "apply_specfile"); 262 } 263 264 if (debug & DEBUG_DUMP_FSNODES) { 265 printf("\nparent: %s\n", argv[1]); 266 dump_fsnodes(".", root); 267 putchar('\n'); 268 } 269 270 /* build the file system */ 271 TIMER_START(start); 272 fstype->make_fs(argv[0], argv[1], root, &fsoptions); 273 TIMER_RESULTS(start, "make_fs"); 274 275 free_fsnodes(root); 276 277 exit(0); 278 /* NOTREACHED */ 279 } 280 281 282 int 283 set_option(option_t *options, const char *var, const char *val) 284 { 285 int i; 286 287 for (i = 0; options[i].name != NULL; i++) { 288 if (strcmp(options[i].name, var) != 0) 289 continue; 290 *options[i].value = (int)strsuftoll(options[i].desc, val, 291 options[i].minimum, options[i].maximum); 292 return (1); 293 } 294 warnx("Unknown option `%s'", var); 295 return (0); 296 } 297 298 299 static fstype_t * 300 get_fstype(const char *type) 301 { 302 int i; 303 304 for (i = 0; fstypes[i].type != NULL; i++) 305 if (strcmp(fstypes[i].type, type) == 0) 306 return (&fstypes[i]); 307 return (NULL); 308 } 309 310 static void 311 usage(void) 312 { 313 const char *prog; 314 315 prog = getprogname(); 316 fprintf(stderr, 317 "usage: %s [-t fs-type] [-o fs-options] [-d debug-mask] [-B endian]\n" 318 "\t[-S sector-size] [-M minimum-size] [-m maximum-size] [-s image-size]\n" 319 "\t[-b free-blocks] [-f free-files] [-F mtree-specfile] [-x]\n" 320 "\t[-N userdb-dir] image-file directory\n", 321 prog); 322 exit(1); 323 } 324