1 /* $NetBSD: makefs.c,v 1.13 2002/01/31 22:44:02 tv Exp $ */ 2 3 /* 4 * Copyright (c) 2001-2002 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 #if defined(__RCSID) && !defined(__lint) 40 __RCSID("$NetBSD: makefs.c,v 1.13 2002/01/31 22:44:02 tv Exp $"); 41 #endif /* !__lint */ 42 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 <unistd.h> 51 52 #include "makefs.h" 53 #include "mtree.h" 54 #include "strsuftoull.h" 55 56 /* 57 * list of supported file systems and dispatch functions 58 */ 59 typedef struct { 60 const char *type; 61 int (*parse_options)(const char *, fsinfo_t *); 62 void (*make_fs)(const char *, const char *, fsnode *, 63 fsinfo_t *); 64 } fstype_t; 65 66 static fstype_t fstypes[] = { 67 { "ffs", ffs_parse_opts, ffs_makefs }, 68 { NULL }, 69 }; 70 71 uint debug; 72 struct timespec start_time; 73 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 fsoptions.bsize= -1; 100 fsoptions.fsize= -1; 101 fsoptions.cpg= -1; 102 fsoptions.density= -1; 103 fsoptions.ntracks= -1; 104 fsoptions.nsectors= -1; 105 fsoptions.rpm= -1; 106 fsoptions.minfree= -1; 107 fsoptions.optimization= -1; 108 fsoptions.maxcontig= -1; 109 fsoptions.rotdelay= -1; 110 fsoptions.maxbpg= -1; 111 fsoptions.nrpos= -1; 112 fsoptions.avgfilesize= -1; 113 fsoptions.avgfpdir= -1; 114 115 specfile = NULL; 116 if (gettimeofday(&start, NULL) == -1) 117 err(1, "Unable to get system time"); 118 119 start_time.tv_sec = start.tv_sec; 120 start_time.tv_nsec = start.tv_usec * 1000; 121 122 while ((ch = getopt(argc, argv, "B:b:d:f:F:M:m:N:o:s:S:t:")) != -1) { 123 switch (ch) { 124 125 case 'B': 126 if (strcmp(optarg, "be") == 0 || 127 strcmp(optarg, "big") == 0) { 128 #if BYTE_ORDER == LITTLE_ENDIAN 129 fsoptions.needswap = 1; 130 #endif 131 } else if (strcmp(optarg, "le") == 0 || 132 strcmp(optarg, "little") == 0) { 133 #if BYTE_ORDER == BIG_ENDIAN 134 fsoptions.needswap = 1; 135 #endif 136 } else { 137 warnx("Invalid endian `%s'.", optarg); 138 usage(); 139 } 140 break; 141 142 case 'b': 143 len = strlen(optarg) - 1; 144 if (optarg[len] == '%') { 145 optarg[len] = '\0'; 146 fsoptions.freeblockpc = 147 strsuftoull("free block percentage", 148 optarg, 0, 99); 149 } else { 150 fsoptions.freeblocks = 151 strsuftoull("free blocks", 152 optarg, 0, LLONG_MAX); 153 } 154 break; 155 156 case 'd': 157 debug = 158 (int)strsuftoull("debug mask", optarg, 0, UINT_MAX); 159 break; 160 161 case 'f': 162 len = strlen(optarg) - 1; 163 if (optarg[len] == '%') { 164 optarg[len] = '\0'; 165 fsoptions.freefilepc = 166 strsuftoull("free file percentage", 167 optarg, 0, 99); 168 } else { 169 fsoptions.freefiles = 170 strsuftoull("free files", 171 optarg, 0, LLONG_MAX); 172 } 173 break; 174 175 case 'F': 176 specfile = optarg; 177 break; 178 179 case 'M': 180 fsoptions.minsize = 181 strsuftoull("minimum size", optarg, 1LL, LLONG_MAX); 182 break; 183 184 case 'N': 185 if (! setup_getid(optarg)) 186 errx(1, 187 "Unable to use user and group databases in `%s'", 188 optarg); 189 break; 190 191 case 'm': 192 fsoptions.maxsize = 193 strsuftoull("maximum size", optarg, 1LL, LLONG_MAX); 194 break; 195 196 case 'o': 197 { 198 char *p; 199 200 while ((p = strsep(&optarg, ",")) != NULL) { 201 if (*p == '\0') 202 errx(1, "Empty option"); 203 if (! fstype->parse_options(p, &fsoptions)) 204 usage(); 205 } 206 break; 207 } 208 209 case 's': 210 fsoptions.minsize = fsoptions.maxsize = 211 strsuftoull("size", optarg, 1LL, LLONG_MAX); 212 break; 213 214 case 'S': 215 fsoptions.sectorsize = 216 (int)strsuftoull("sector size", optarg, 217 1LL, INT_MAX); 218 break; 219 220 case 't': 221 if ((fstype = get_fstype(optarg)) == NULL) 222 errx(1, "Unknown fs type `%s'.", optarg); 223 break; 224 225 case '?': 226 default: 227 usage(); 228 /* NOTREACHED */ 229 230 } 231 } 232 if (debug) { 233 printf("debug mask: 0x%08x\n", debug); 234 printf("start time: %ld.%ld, %s", 235 (long)start_time.tv_sec, (long)start_time.tv_nsec, 236 ctime(&start_time.tv_sec)); 237 } 238 argc -= optind; 239 argv += optind; 240 241 if (argc != 2) 242 usage(); 243 244 /* walk the tree */ 245 TIMER_START(start); 246 root = walk_dir(argv[1], NULL); 247 TIMER_RESULTS(start, "walk_dir"); 248 249 if (specfile) { /* apply a specfile */ 250 TIMER_START(start); 251 apply_specfile(specfile, argv[1], root); 252 TIMER_RESULTS(start, "apply_specfile"); 253 } 254 255 if (debug & DEBUG_DUMP_FSNODES) { 256 printf("\nparent: %s\n", argv[1]); 257 dump_fsnodes(".", root); 258 putchar('\n'); 259 } 260 261 /* build the file system */ 262 TIMER_START(start); 263 fstype->make_fs(argv[0], argv[1], root, &fsoptions); 264 TIMER_RESULTS(start, "make_fs"); 265 266 exit(0); 267 /* NOTREACHED */ 268 } 269 270 271 int 272 set_option(option_t *options, const char *var, const char *val) 273 { 274 int i; 275 276 for (i = 0; options[i].name != NULL; i++) { 277 if (strcmp(options[i].name, var) != 0) 278 continue; 279 *options[i].value = (int)strsuftoull(options[i].desc, val, 280 options[i].minimum, options[i].maximum); 281 return (1); 282 } 283 warnx("Unknown option `%s'", var); 284 return (0); 285 } 286 287 288 static fstype_t * 289 get_fstype(const char *type) 290 { 291 int i; 292 293 for (i = 0; fstypes[i].type != NULL; i++) 294 if (strcmp(fstypes[i].type, type) == 0) 295 return (&fstypes[i]); 296 return (NULL); 297 } 298 299 static void 300 usage(void) 301 { 302 const char *prog; 303 304 prog = getprogname(); 305 fprintf(stderr, 306 "Usage: %s [-t fs-type] [-o fs-options] [-d debug-mask] [-B endian]\n" 307 "\t[-S sector-size] [-M minimum-size] [-m maximum-size] [-s image-size]\n" 308 "\t[-b free-blocks] [-f free-files] [-F mtree-specfile] [-N userdb-dir]\n" 309 "\timage-file directory\n", 310 prog); 311 exit(1); 312 } 313