1 /* $NetBSD: makefs.c,v 1.14 2002/11/29 13:06:33 lukem 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 1.14 2002/11/29 13:06:33 lukem 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 55 /* 56 * list of supported file systems and dispatch functions 57 */ 58 typedef struct { 59 const char *type; 60 int (*parse_options)(const char *, 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_parse_opts, ffs_makefs }, 67 { NULL }, 68 }; 69 70 uint debug; 71 struct timespec start_time; 72 73 74 static fstype_t *get_fstype(const char *); 75 static void usage(void); 76 int main(int, char *[]); 77 78 int 79 main(int argc, char *argv[]) 80 { 81 struct timeval start; 82 fstype_t *fstype; 83 fsinfo_t fsoptions; 84 fsnode *root; 85 int ch, len; 86 char *specfile; 87 88 setprogname(argv[0]); 89 90 debug = 0; 91 if ((fstype = get_fstype(DEFAULT_FSTYPE)) == NULL) 92 errx(1, "Unknown default fs type `%s'.", DEFAULT_FSTYPE); 93 94 /* set default fsoptions */ 95 (void)memset(&fsoptions, 0, sizeof(fsoptions)); 96 fsoptions.fd = -1; 97 fsoptions.sectorsize = -1; 98 fsoptions.bsize= -1; 99 fsoptions.fsize= -1; 100 fsoptions.cpg= -1; 101 fsoptions.density= -1; 102 fsoptions.ntracks= -1; 103 fsoptions.nsectors= -1; 104 fsoptions.rpm= -1; 105 fsoptions.minfree= -1; 106 fsoptions.optimization= -1; 107 fsoptions.maxcontig= -1; 108 fsoptions.rotdelay= -1; 109 fsoptions.maxbpg= -1; 110 fsoptions.nrpos= -1; 111 fsoptions.avgfilesize= -1; 112 fsoptions.avgfpdir= -1; 113 114 specfile = NULL; 115 if (gettimeofday(&start, NULL) == -1) 116 err(1, "Unable to get system time"); 117 118 start_time.tv_sec = start.tv_sec; 119 start_time.tv_nsec = start.tv_usec * 1000; 120 121 while ((ch = getopt(argc, argv, "B:b:d:f:F:M:m:N:o:s:S:t:")) != -1) { 122 switch (ch) { 123 124 case 'B': 125 if (strcmp(optarg, "be") == 0 || 126 strcmp(optarg, "big") == 0) { 127 #if BYTE_ORDER == LITTLE_ENDIAN 128 fsoptions.needswap = 1; 129 #endif 130 } else if (strcmp(optarg, "le") == 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 = 157 (int)strsuftoll("debug mask", optarg, 0, UINT_MAX); 158 break; 159 160 case 'f': 161 len = strlen(optarg) - 1; 162 if (optarg[len] == '%') { 163 optarg[len] = '\0'; 164 fsoptions.freefilepc = 165 strsuftoll("free file percentage", 166 optarg, 0, 99); 167 } else { 168 fsoptions.freefiles = 169 strsuftoll("free files", 170 optarg, 0, LLONG_MAX); 171 } 172 break; 173 174 case 'F': 175 specfile = optarg; 176 break; 177 178 case 'M': 179 fsoptions.minsize = 180 strsuftoll("minimum size", optarg, 1LL, LLONG_MAX); 181 break; 182 183 case 'N': 184 if (! setup_getid(optarg)) 185 errx(1, 186 "Unable to use user and group databases in `%s'", 187 optarg); 188 break; 189 190 case 'm': 191 fsoptions.maxsize = 192 strsuftoll("maximum size", optarg, 1LL, LLONG_MAX); 193 break; 194 195 case 'o': 196 { 197 char *p; 198 199 while ((p = strsep(&optarg, ",")) != NULL) { 200 if (*p == '\0') 201 errx(1, "Empty option"); 202 if (! fstype->parse_options(p, &fsoptions)) 203 usage(); 204 } 205 break; 206 } 207 208 case 's': 209 fsoptions.minsize = fsoptions.maxsize = 210 strsuftoll("size", optarg, 1LL, LLONG_MAX); 211 break; 212 213 case 'S': 214 fsoptions.sectorsize = 215 (int)strsuftoll("sector size", optarg, 216 1LL, INT_MAX); 217 break; 218 219 case 't': 220 if ((fstype = get_fstype(optarg)) == NULL) 221 errx(1, "Unknown fs type `%s'.", optarg); 222 break; 223 224 case '?': 225 default: 226 usage(); 227 /* NOTREACHED */ 228 229 } 230 } 231 if (debug) { 232 printf("debug mask: 0x%08x\n", debug); 233 printf("start time: %ld.%ld, %s", 234 (long)start_time.tv_sec, (long)start_time.tv_nsec, 235 ctime(&start_time.tv_sec)); 236 } 237 argc -= optind; 238 argv += optind; 239 240 if (argc != 2) 241 usage(); 242 243 /* walk the tree */ 244 TIMER_START(start); 245 root = walk_dir(argv[1], NULL); 246 TIMER_RESULTS(start, "walk_dir"); 247 248 if (specfile) { /* apply a specfile */ 249 TIMER_START(start); 250 apply_specfile(specfile, argv[1], root); 251 TIMER_RESULTS(start, "apply_specfile"); 252 } 253 254 if (debug & DEBUG_DUMP_FSNODES) { 255 printf("\nparent: %s\n", argv[1]); 256 dump_fsnodes(".", root); 257 putchar('\n'); 258 } 259 260 /* build the file system */ 261 TIMER_START(start); 262 fstype->make_fs(argv[0], argv[1], root, &fsoptions); 263 TIMER_RESULTS(start, "make_fs"); 264 265 exit(0); 266 /* NOTREACHED */ 267 } 268 269 270 int 271 set_option(option_t *options, const char *var, const char *val) 272 { 273 int i; 274 275 for (i = 0; options[i].name != NULL; i++) { 276 if (strcmp(options[i].name, var) != 0) 277 continue; 278 *options[i].value = (int)strsuftoll(options[i].desc, val, 279 options[i].minimum, options[i].maximum); 280 return (1); 281 } 282 warnx("Unknown option `%s'", var); 283 return (0); 284 } 285 286 287 static fstype_t * 288 get_fstype(const char *type) 289 { 290 int i; 291 292 for (i = 0; fstypes[i].type != NULL; i++) 293 if (strcmp(fstypes[i].type, type) == 0) 294 return (&fstypes[i]); 295 return (NULL); 296 } 297 298 static void 299 usage(void) 300 { 301 const char *prog; 302 303 prog = getprogname(); 304 fprintf(stderr, 305 "Usage: %s [-t fs-type] [-o fs-options] [-d debug-mask] [-B endian]\n" 306 "\t[-S sector-size] [-M minimum-size] [-m maximum-size] [-s image-size]\n" 307 "\t[-b free-blocks] [-f free-files] [-F mtree-specfile] [-N userdb-dir]\n" 308 "\timage-file directory\n", 309 prog); 310 exit(1); 311 } 312