1 /* $NetBSD: makefs.c,v 1.20 2004/06/20 22:20:18 jmc 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 int (*parse_options)(const char *, fsinfo_t *); 59 void (*make_fs)(const char *, const char *, fsnode *, 60 fsinfo_t *); 61 } fstype_t; 62 63 static fstype_t fstypes[] = { 64 { "ffs", ffs_parse_opts, ffs_makefs }, 65 { NULL }, 66 }; 67 68 u_int debug; 69 struct timespec start_time; 70 71 static fstype_t *get_fstype(const char *); 72 static void usage(void); 73 int main(int, char *[]); 74 75 int 76 main(int argc, char *argv[]) 77 { 78 struct timeval start; 79 fstype_t *fstype; 80 fsinfo_t fsoptions; 81 fsnode *root; 82 int ch, len; 83 char *specfile; 84 85 setprogname(argv[0]); 86 87 debug = 0; 88 if ((fstype = get_fstype(DEFAULT_FSTYPE)) == NULL) 89 errx(1, "Unknown default fs type `%s'.", DEFAULT_FSTYPE); 90 91 /* set default fsoptions */ 92 (void)memset(&fsoptions, 0, sizeof(fsoptions)); 93 fsoptions.fd = -1; 94 fsoptions.sectorsize = -1; 95 fsoptions.bsize= -1; 96 fsoptions.fsize= -1; 97 fsoptions.cpg= -1; 98 fsoptions.density= -1; 99 fsoptions.minfree= -1; 100 fsoptions.optimization= -1; 101 fsoptions.maxcontig= -1; 102 fsoptions.maxbpg= -1; 103 fsoptions.avgfilesize= -1; 104 fsoptions.avgfpdir= -1; 105 fsoptions.version = 1; 106 107 specfile = NULL; 108 if (gettimeofday(&start, NULL) == -1) 109 err(1, "Unable to get system time"); 110 111 start_time.tv_sec = start.tv_sec; 112 start_time.tv_nsec = start.tv_usec * 1000; 113 114 while ((ch = getopt(argc, argv, "B:b:d:f:F:M:m:N:o:s:S:t:x")) != -1) { 115 switch (ch) { 116 117 case 'B': 118 if (strcmp(optarg, "be") == 0 || 119 strcmp(optarg, "4321") == 0 || 120 strcmp(optarg, "big") == 0) { 121 #if BYTE_ORDER == LITTLE_ENDIAN 122 fsoptions.needswap = 1; 123 #endif 124 } else if (strcmp(optarg, "le") == 0 || 125 strcmp(optarg, "1234") == 0 || 126 strcmp(optarg, "little") == 0) { 127 #if BYTE_ORDER == BIG_ENDIAN 128 fsoptions.needswap = 1; 129 #endif 130 } else { 131 warnx("Invalid endian `%s'.", optarg); 132 usage(); 133 } 134 break; 135 136 case 'b': 137 len = strlen(optarg) - 1; 138 if (optarg[len] == '%') { 139 optarg[len] = '\0'; 140 fsoptions.freeblockpc = 141 strsuftoll("free block percentage", 142 optarg, 0, 99); 143 } else { 144 fsoptions.freeblocks = 145 strsuftoll("free blocks", 146 optarg, 0, LLONG_MAX); 147 } 148 break; 149 150 case 'd': 151 debug = 152 (int)strsuftoll("debug mask", optarg, 0, UINT_MAX); 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 } 202 203 case 's': 204 fsoptions.minsize = fsoptions.maxsize = 205 strsuftoll("size", optarg, 1LL, LLONG_MAX); 206 break; 207 208 case 'S': 209 fsoptions.sectorsize = 210 (int)strsuftoll("sector size", optarg, 211 1LL, INT_MAX); 212 break; 213 214 case 't': 215 if ((fstype = get_fstype(optarg)) == NULL) 216 errx(1, "Unknown fs type `%s'.", optarg); 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); 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 exit(0); 269 /* NOTREACHED */ 270 } 271 272 273 int 274 set_option(option_t *options, const char *var, const char *val) 275 { 276 int i; 277 278 for (i = 0; options[i].name != NULL; i++) { 279 if (strcmp(options[i].name, var) != 0) 280 continue; 281 *options[i].value = (int)strsuftoll(options[i].desc, val, 282 options[i].minimum, options[i].maximum); 283 return (1); 284 } 285 warnx("Unknown option `%s'", var); 286 return (0); 287 } 288 289 290 static fstype_t * 291 get_fstype(const char *type) 292 { 293 int i; 294 295 for (i = 0; fstypes[i].type != NULL; i++) 296 if (strcmp(fstypes[i].type, type) == 0) 297 return (&fstypes[i]); 298 return (NULL); 299 } 300 301 static void 302 usage(void) 303 { 304 const char *prog; 305 306 prog = getprogname(); 307 fprintf(stderr, 308 "usage: %s [-t fs-type] [-o fs-options] [-d debug-mask] [-B endian]\n" 309 "\t[-S sector-size] [-M minimum-size] [-m maximum-size] [-s image-size]\n" 310 "\t[-b free-blocks] [-f free-files] [-F mtree-specfile] [-x]\n" 311 "\t[-N userdb-dir] image-file directory\n", 312 prog); 313 exit(1); 314 } 315