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 <assert.h> 42 #include <ctype.h> 43 #include <errno.h> 44 #include <limits.h> 45 #include <stdio.h> 46 #include <stdlib.h> 47 #include <string.h> 48 #include <unistd.h> 49 50 #include "makefs.h" 51 #include "mtree.h" 52 53 /* 54 * list of supported file systems and dispatch functions 55 */ 56 typedef struct { 57 const char *type; 58 void (*prepare_options)(fsinfo_t *); 59 int (*parse_options)(const char *, fsinfo_t *); 60 void (*cleanup_options)(fsinfo_t *); 61 void (*make_fs)(const char *, const char *, fsnode *, 62 fsinfo_t *); 63 } fstype_t; 64 65 static fstype_t fstypes[] = { 66 { "ffs", ffs_prep_opts, ffs_parse_opts, ffs_cleanup_opts, ffs_makefs }, 67 { "cd9660", cd9660_prep_opts, cd9660_parse_opts, cd9660_cleanup_opts, 68 cd9660_makefs}, 69 { .type = NULL }, 70 }; 71 72 u_int debug; 73 struct timespec start_time; 74 75 static fstype_t *get_fstype(const char *); 76 static void usage(void); 77 int main(int, char *[]); 78 79 int 80 main(int argc, char *argv[]) 81 { 82 struct timeval start; 83 fstype_t *fstype; 84 fsinfo_t fsoptions; 85 fsnode *root; 86 int ch, len; 87 char *specfile; 88 89 setprogname(argv[0]); 90 91 debug = 0; 92 if ((fstype = get_fstype(DEFAULT_FSTYPE)) == NULL) 93 errx(1, "Unknown default fs type `%s'.", DEFAULT_FSTYPE); 94 95 /* set default fsoptions */ 96 (void)memset(&fsoptions, 0, sizeof(fsoptions)); 97 fsoptions.fd = -1; 98 fsoptions.sectorsize = -1; 99 100 if (fstype->prepare_options) 101 fstype->prepare_options(&fsoptions); 102 103 specfile = NULL; 104 if (gettimeofday(&start, NULL) == -1) 105 err(1, "Unable to get system time"); 106 107 start_time.tv_sec = start.tv_sec; 108 start_time.tv_nsec = start.tv_usec * 1000; 109 110 while ((ch = getopt(argc, argv, "B:b:d:f:F:M:m:N:o:s:S:t:x")) != -1) { 111 switch (ch) { 112 113 case 'B': 114 if (strcmp(optarg, "be") == 0 || 115 strcmp(optarg, "4321") == 0 || 116 strcmp(optarg, "big") == 0) { 117 #if BYTE_ORDER == LITTLE_ENDIAN 118 fsoptions.needswap = 1; 119 #endif 120 } else if (strcmp(optarg, "le") == 0 || 121 strcmp(optarg, "1234") == 0 || 122 strcmp(optarg, "little") == 0) { 123 #if BYTE_ORDER == BIG_ENDIAN 124 fsoptions.needswap = 1; 125 #endif 126 } else { 127 warnx("Invalid endian `%s'.", optarg); 128 usage(); 129 } 130 break; 131 132 case 'b': 133 len = strlen(optarg) - 1; 134 if (optarg[len] == '%') { 135 optarg[len] = '\0'; 136 fsoptions.freeblockpc = 137 strsuftoll("free block percentage", 138 optarg, 0, 99); 139 } else { 140 fsoptions.freeblocks = 141 strsuftoll("free blocks", 142 optarg, 0, LLONG_MAX); 143 } 144 break; 145 146 case 'd': 147 debug = strtoll(optarg, NULL, 0); 148 break; 149 150 case 'f': 151 len = strlen(optarg) - 1; 152 if (optarg[len] == '%') { 153 optarg[len] = '\0'; 154 fsoptions.freefilepc = 155 strsuftoll("free file percentage", 156 optarg, 0, 99); 157 } else { 158 fsoptions.freefiles = 159 strsuftoll("free files", 160 optarg, 0, LLONG_MAX); 161 } 162 break; 163 164 case 'F': 165 specfile = optarg; 166 break; 167 168 case 'M': 169 fsoptions.minsize = 170 strsuftoll("minimum size", optarg, 1LL, LLONG_MAX); 171 break; 172 173 case 'N': 174 if (! setup_getid(optarg)) 175 errx(1, 176 "Unable to use user and group databases in `%s'", 177 optarg); 178 break; 179 180 case 'm': 181 fsoptions.maxsize = 182 strsuftoll("maximum size", optarg, 1LL, LLONG_MAX); 183 break; 184 185 case 'o': 186 { 187 char *p; 188 189 while ((p = strsep(&optarg, ",")) != NULL) { 190 if (*p == '\0') 191 errx(1, "Empty option"); 192 if (! fstype->parse_options(p, &fsoptions)) 193 usage(); 194 } 195 break; 196 } 197 198 case 's': 199 fsoptions.minsize = fsoptions.maxsize = 200 strsuftoll("size", optarg, 1LL, LLONG_MAX); 201 break; 202 203 case 'S': 204 fsoptions.sectorsize = 205 (int)strsuftoll("sector size", optarg, 206 1LL, INT_MAX); 207 break; 208 209 case 't': 210 /* Check current one and cleanup if necessary. */ 211 if (fstype->cleanup_options) 212 fstype->cleanup_options(&fsoptions); 213 fsoptions.fs_specific = NULL; 214 if ((fstype = get_fstype(optarg)) == NULL) 215 errx(1, "Unknown fs type `%s'.", optarg); 216 fstype->prepare_options(&fsoptions); 217 break; 218 219 case 'x': 220 fsoptions.onlyspec = 1; 221 break; 222 223 case '?': 224 default: 225 usage(); 226 /* NOTREACHED */ 227 228 } 229 } 230 if (debug) { 231 printf("debug mask: 0x%08x\n", debug); 232 printf("start time: %ld.%ld, %s", 233 (long)start_time.tv_sec, (long)start_time.tv_nsec, 234 ctime(&start_time.tv_sec)); 235 } 236 argc -= optind; 237 argv += optind; 238 239 if (argc != 2) 240 usage(); 241 242 /* -x must be accompanied by -F */ 243 if (fsoptions.onlyspec != 0 && specfile == NULL) 244 errx(1, "-x requires -F mtree-specfile."); 245 246 /* walk the tree */ 247 TIMER_START(start); 248 root = walk_dir(argv[1], NULL); 249 TIMER_RESULTS(start, "walk_dir"); 250 251 if (specfile) { /* apply a specfile */ 252 TIMER_START(start); 253 apply_specfile(specfile, argv[1], root, fsoptions.onlyspec); 254 TIMER_RESULTS(start, "apply_specfile"); 255 } 256 257 if (debug & DEBUG_DUMP_FSNODES) { 258 printf("\nparent: %s\n", argv[1]); 259 dump_fsnodes(".", root); 260 putchar('\n'); 261 } 262 263 /* build the file system */ 264 TIMER_START(start); 265 fstype->make_fs(argv[0], argv[1], root, &fsoptions); 266 TIMER_RESULTS(start, "make_fs"); 267 268 free_fsnodes(root); 269 270 exit(0); 271 /* NOTREACHED */ 272 } 273 274 275 int 276 set_option(option_t *options, const char *var, const char *val) 277 { 278 int i; 279 280 for (i = 0; options[i].name != NULL; i++) { 281 if (strcmp(options[i].name, var) != 0) 282 continue; 283 *options[i].value = (int)strsuftoll(options[i].desc, val, 284 options[i].minimum, options[i].maximum); 285 return (1); 286 } 287 warnx("Unknown option `%s'", var); 288 return (0); 289 } 290 291 292 static fstype_t * 293 get_fstype(const char *type) 294 { 295 int i; 296 297 for (i = 0; fstypes[i].type != NULL; i++) 298 if (strcmp(fstypes[i].type, type) == 0) 299 return (&fstypes[i]); 300 return (NULL); 301 } 302 303 static void 304 usage(void) 305 { 306 const char *prog; 307 308 prog = getprogname(); 309 fprintf(stderr, 310 "usage: %s [-t fs-type] [-o fs-options] [-d debug-mask] [-B endian]\n" 311 "\t[-S sector-size] [-M minimum-size] [-m maximum-size] [-s image-size]\n" 312 "\t[-b free-blocks] [-f free-files] [-F mtree-specfile] [-x]\n" 313 "\t[-N userdb-dir] image-file directory\n", 314 prog); 315 exit(1); 316 } 317