1 /* $NetBSD: makefs.c,v 1.26 2006/10/22 21:11:56 christos Exp $ */
4 * SPDX-License-Identifier: BSD-4-Clause
6 * Copyright (c) 2001-2003 Wasabi Systems, Inc.
9 * Written by Luke Mewburn for Wasabi Systems, Inc.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed for the NetBSD Project by
22 * Wasabi Systems, Inc.
23 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
24 * or promote products derived from this software without specific prior
27 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
39 * $FreeBSD: head/usr.sbin/makefs/makefs.c 326276 2017-11-27 15:37:16Z pfg $
42 #include <sys/types.h>
60 * list of supported file systems and dispatch functions
64 void (*prepare_options)(fsinfo_t *);
65 int (*parse_options)(const char *, fsinfo_t *);
66 void (*cleanup_options)(fsinfo_t *);
67 void (*make_fs)(const char *, const char *, fsnode *,
71 static fstype_t fstypes[] = {
72 #define ENTRY(name) { \
73 # name, name ## _prep_opts, name ## _parse_opts, \
74 name ## _cleanup_opts, name ## _makefs \
83 struct timespec start_time;
86 static fstype_t *get_fstype(const char *);
87 static int get_tstamp(const char *, struct stat *);
88 static void usage(fstype_t *, fsinfo_t *);
91 main(int argc, char *argv[])
100 const char *specfile;
102 setprogname(argv[0]);
105 if ((fstype = get_fstype(DEFAULT_FSTYPE)) == NULL)
106 errx(1, "Unknown default fs type `%s'.", DEFAULT_FSTYPE);
108 /* set default fsoptions */
109 (void)memset(&fsoptions, 0, sizeof(fsoptions));
111 fsoptions.sectorsize = -1;
113 if (fstype->prepare_options)
114 fstype->prepare_options(&fsoptions);
117 #ifdef CLOCK_REALTIME
118 ch = clock_gettime(CLOCK_REALTIME, &start_time);
120 ch = gettimeofday(&start, NULL);
121 start_time.tv_sec = start.tv_sec;
122 start_time.tv_nsec = start.tv_usec * 1000;
125 err(1, "Unable to get system time");
128 while ((ch = getopt(argc, argv, "B:b:Dd:f:F:M:m:N:O:o:pR:s:S:t:T:xZ")) != -1) {
132 if (strcmp(optarg, "be") == 0 ||
133 strcmp(optarg, "4321") == 0 ||
134 strcmp(optarg, "big") == 0) {
135 #if BYTE_ORDER == LITTLE_ENDIAN
136 fsoptions.needswap = 1;
138 } else if (strcmp(optarg, "le") == 0 ||
139 strcmp(optarg, "1234") == 0 ||
140 strcmp(optarg, "little") == 0) {
141 #if BYTE_ORDER == BIG_ENDIAN
142 fsoptions.needswap = 1;
145 warnx("Invalid endian `%s'.", optarg);
146 usage(fstype, &fsoptions);
151 len = strlen(optarg) - 1;
152 if (optarg[len] == '%') {
154 fsoptions.freeblockpc =
155 strsuftoll("free block percentage",
158 fsoptions.freeblocks =
159 strsuftoll("free blocks",
160 optarg, 0, LLONG_MAX);
169 debug = strtoll(optarg, NULL, 0);
173 len = strlen(optarg) - 1;
174 if (optarg[len] == '%') {
176 fsoptions.freefilepc =
177 strsuftoll("free file percentage",
180 fsoptions.freefiles =
181 strsuftoll("free files",
182 optarg, 0, LLONG_MAX);
192 strsuftoll("minimum size", optarg, 1LL, LLONG_MAX);
196 if (! setup_getid(optarg))
198 "Unable to use user and group databases in `%s'",
204 strsuftoll("maximum size", optarg, 1LL, LLONG_MAX);
209 strsuftoll("offset", optarg, 0LL, LLONG_MAX);
216 while ((p = strsep(&optarg, ",")) != NULL) {
218 errx(1, "Empty option");
219 if (! fstype->parse_options(p, &fsoptions))
220 usage(fstype, &fsoptions);
225 /* Deprecated in favor of 'Z' */
226 fsoptions.sparse = 1;
230 /* Round image size up to specified block size */
232 strsuftoll("roundup-size", optarg, 0, LLONG_MAX);
236 fsoptions.minsize = fsoptions.maxsize =
237 strsuftoll("size", optarg, 1LL, LLONG_MAX);
241 fsoptions.sectorsize =
242 (int)strsuftoll("sector size", optarg,
247 /* Check current one and cleanup if necessary. */
248 if (fstype->cleanup_options)
249 fstype->cleanup_options(&fsoptions);
250 fsoptions.fs_specific = NULL;
251 if ((fstype = get_fstype(optarg)) == NULL)
252 errx(1, "Unknown fs type `%s'.", optarg);
253 fstype->prepare_options(&fsoptions);
257 if (get_tstamp(optarg, &stampst) == -1)
258 errx(1, "Cannot get timestamp from `%s'",
263 fsoptions.onlyspec = 1;
267 /* Superscedes 'p' for compatibility with NetBSD makefs(8) */
268 fsoptions.sparse = 1;
273 usage(fstype, &fsoptions);
279 printf("debug mask: 0x%08x\n", debug);
280 printf("start time: %ld.%ld, %s",
281 (long)start_time.tv_sec, (long)start_time.tv_nsec,
282 ctime(&start_time.tv_sec));
288 usage(fstype, &fsoptions);
290 /* -x must be accompanied by -F */
291 if (fsoptions.onlyspec != 0 && specfile == NULL)
292 errx(1, "-x requires -F mtree-specfile.");
294 /* Accept '-' as meaning "read from standard input". */
295 if (strcmp(argv[1], "-") == 0)
296 sb.st_mode = S_IFREG;
298 if (stat(argv[1], &sb) == -1)
299 err(1, "Can't stat `%s'", argv[1]);
302 switch (sb.st_mode & S_IFMT) {
303 case S_IFDIR: /* walk the tree */
306 root = walk_dir(subtree, ".", NULL, NULL);
307 TIMER_RESULTS(start, "walk_dir");
309 case S_IFREG: /* read the manifest file */
312 root = read_mtree(argv[1], NULL);
313 TIMER_RESULTS(start, "manifest");
316 errx(1, "%s: not a file or directory", argv[1]);
320 /* append extra directory */
321 for (i = 2; i < argc; i++) {
322 if (stat(argv[i], &sb) == -1)
323 err(1, "Can't stat `%s'", argv[i]);
324 if (!S_ISDIR(sb.st_mode))
325 errx(1, "%s: not a directory", argv[i]);
327 root = walk_dir(argv[i], ".", NULL, root);
328 TIMER_RESULTS(start, "walk_dir2");
331 if (specfile) { /* apply a specfile */
333 apply_specfile(specfile, subtree, root, fsoptions.onlyspec);
334 TIMER_RESULTS(start, "apply_specfile");
337 if (debug & DEBUG_DUMP_FSNODES) {
338 printf("\nparent: %s\n", subtree);
343 /* build the file system */
345 fstype->make_fs(argv[0], subtree, root, &fsoptions);
346 TIMER_RESULTS(start, "make_fs");
355 set_option(const option_t *options, const char *option, char *buf, size_t len)
360 assert(option != NULL);
362 var = estrdup(option);
363 for (val = var; *val; val++)
368 retval = set_option_var(options, var, val, buf, len);
374 set_option_var(const option_t *options, const char *var, const char *val,
375 char *buf, size_t len)
382 *(type *)options[i].value = 1; \
385 *(type *)options[i].value = (type)strsuftoll(options[i].desc, val, \
386 options[i].minimum, options[i].maximum); break
388 for (i = 0; options[i].name != NULL; i++) {
389 if (var[1] == '\0') {
390 if (options[i].letter != var[0])
392 } else if (strcmp(options[i].name, var) != 0)
394 switch (options[i].type) {
396 *(bool *)options[i].value = 1;
399 strlcpy((void *)options[i].value, val, (size_t)
404 *(char **)options[i].value = s;
409 strlcpy(buf, val, len);
420 warnx("Unknown type %d in option %s", options[i].type,
426 warnx("Unknown option `%s'", var);
432 get_fstype(const char *type)
436 for (i = 0; fstypes[i].type != NULL; i++)
437 if (strcmp(fstypes[i].type, type) == 0)
438 return (&fstypes[i]);
443 copy_opts(const option_t *o)
447 for (i = 0; o[i].name; i++)
450 return memcpy(ecalloc(i, sizeof(*o)), o, i * sizeof(*o));
454 get_tstamp(const char *b, struct stat *st)
460 if (stat(b, st) != -1)
465 l = strtoll(b, &eb, 0);
466 if (b == eb || *eb || errno)
472 #ifdef HAVE_STRUCT_STAT_BIRTHTIME
475 st->st_mtime = st->st_ctime = st->st_atime = when;
480 usage(fstype_t *fstype, fsinfo_t *fsoptions)
484 prog = getprogname();
486 "Usage: %s [-xZ] [-B endian] [-b free-blocks] [-d debug-mask]\n"
487 "\t[-F mtree-specfile] [-f free-files] [-M minimum-size] [-m maximum-size]\n"
488 "\t[-N userdb-dir] [-O offset] [-o fs-options] [-R roundup-size]\n"
489 "\t[-S sector-size] [-s image-size] [-T <timestamp/file>] [-t fs-type]\n"
490 "\timage-file directory | manifest [extra-directory ...]\n",
495 option_t *o = fsoptions->fs_options;
497 fprintf(stderr, "\n%s specific options:\n", fstype->type);
498 for (i = 0; o[i].name != NULL; i++)
499 fprintf(stderr, "\t%c%c%20.20s\t%s\n",
500 o[i].letter ? o[i].letter : ' ',
501 o[i].letter ? ',' : ' ',
502 o[i].name, o[i].desc);