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 <sys/types.h>
42 #include <sys/stat.h>
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 <time.h>
51 #include <unistd.h>
52
53 #include "makefs.h"
54 #include "mtree.h"
55
56 /*
57 * list of supported file systems and dispatch functions
58 */
59 typedef struct {
60 const char *type;
61 void (*prepare_options)(fsinfo_t *);
62 int (*parse_options)(const char *, fsinfo_t *);
63 void (*cleanup_options)(fsinfo_t *);
64 void (*make_fs)(const char *, const char *, fsnode *,
65 fsinfo_t *);
66 } fstype_t;
67
68 static fstype_t fstypes[] = {
69 #define ENTRY(name) { \
70 # name, name ## _prep_opts, name ## _parse_opts, \
71 name ## _cleanup_opts, name ## _makefs \
72 }
73 ENTRY(ffs),
74 ENTRY(cd9660),
75 { .type = NULL },
76 };
77
78 u_int debug;
79 int dupsok;
80 struct timespec start_time;
81
82 static fstype_t *get_fstype(const char *);
83 static void usage(void);
84 int main(int, char *[]);
85
86 int
main(int argc,char * argv[])87 main(int argc, char *argv[])
88 {
89 struct stat sb;
90 struct timeval start;
91 fstype_t *fstype;
92 fsinfo_t fsoptions;
93 fsnode *root;
94 int ch, i, len;
95 char *subtree;
96 char *specfile;
97
98 setprogname(argv[0]);
99
100 debug = 0;
101 if ((fstype = get_fstype(DEFAULT_FSTYPE)) == NULL)
102 errx(1, "Unknown default fs type `%s'.", DEFAULT_FSTYPE);
103
104 /* set default fsoptions */
105 (void)memset(&fsoptions, 0, sizeof(fsoptions));
106 fsoptions.fd = -1;
107 fsoptions.sectorsize = -1;
108
109 if (fstype->prepare_options)
110 fstype->prepare_options(&fsoptions);
111
112 specfile = NULL;
113 if (gettimeofday(&start, NULL) == -1)
114 err(1, "Unable to get system time");
115
116 start_time.tv_sec = start.tv_sec;
117 start_time.tv_nsec = start.tv_usec * 1000;
118
119 while ((ch = getopt(argc, argv, "B:b:Dd:f:F:M:m:N:o:pR:s:S:t:xZ")) != -1) {
120 switch (ch) {
121
122 case 'B':
123 if (strcmp(optarg, "be") == 0 ||
124 strcmp(optarg, "4321") == 0 ||
125 strcmp(optarg, "big") == 0) {
126 #if BYTE_ORDER == LITTLE_ENDIAN
127 fsoptions.needswap = 1;
128 #endif
129 } else if (strcmp(optarg, "le") == 0 ||
130 strcmp(optarg, "1234") == 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 dupsok = 1;
157 break;
158
159 case 'd':
160 debug = strtoll(optarg, NULL, 0);
161 break;
162
163 case 'f':
164 len = strlen(optarg) - 1;
165 if (optarg[len] == '%') {
166 optarg[len] = '\0';
167 fsoptions.freefilepc =
168 strsuftoll("free file percentage",
169 optarg, 0, 99);
170 } else {
171 fsoptions.freefiles =
172 strsuftoll("free files",
173 optarg, 0, LLONG_MAX);
174 }
175 break;
176
177 case 'F':
178 specfile = optarg;
179 break;
180
181 case 'M':
182 fsoptions.minsize =
183 strsuftoll("minimum size", optarg, 1LL, LLONG_MAX);
184 break;
185
186 case 'N':
187 if (! setup_getid(optarg))
188 errx(1,
189 "Unable to use user and group databases in `%s'",
190 optarg);
191 break;
192
193 case 'm':
194 fsoptions.maxsize =
195 strsuftoll("maximum size", optarg, 1LL, LLONG_MAX);
196 break;
197
198 case 'o':
199 {
200 char *p;
201
202 while ((p = strsep(&optarg, ",")) != NULL) {
203 if (*p == '\0')
204 errx(1, "Empty option");
205 if (! fstype->parse_options(p, &fsoptions))
206 usage();
207 }
208 break;
209 }
210 case 'p':
211 /* Deprecated in favor of 'Z' */
212 fsoptions.sparse = 1;
213 break;
214
215 case 'R':
216 /* Round image size up to specified block size */
217 fsoptions.roundup =
218 strsuftoll("roundup-size", optarg, 0, LLONG_MAX);
219 break;
220
221 case 's':
222 fsoptions.minsize = fsoptions.maxsize =
223 strsuftoll("size", optarg, 1LL, LLONG_MAX);
224 break;
225
226 case 'S':
227 fsoptions.sectorsize =
228 (int)strsuftoll("sector size", optarg,
229 1LL, INT_MAX);
230 break;
231
232 case 't':
233 /* Check current one and cleanup if necessary. */
234 if (fstype->cleanup_options)
235 fstype->cleanup_options(&fsoptions);
236 fsoptions.fs_specific = NULL;
237 if ((fstype = get_fstype(optarg)) == NULL)
238 errx(1, "Unknown fs type `%s'.", optarg);
239 fstype->prepare_options(&fsoptions);
240 break;
241
242 case 'x':
243 fsoptions.onlyspec = 1;
244 break;
245
246 case 'Z':
247 /* Superscedes 'p' for compatibility with NetBSD makefs(8) */
248 fsoptions.sparse = 1;
249 break;
250
251 case '?':
252 default:
253 usage();
254 /* NOTREACHED */
255
256 }
257 }
258 if (debug) {
259 printf("debug mask: 0x%08x\n", debug);
260 printf("start time: %ld.%ld, %s",
261 (long)start_time.tv_sec, (long)start_time.tv_nsec,
262 ctime(&start_time.tv_sec));
263 }
264 argc -= optind;
265 argv += optind;
266
267 if (argc < 2)
268 usage();
269
270 /* -x must be accompanied by -F */
271 if (fsoptions.onlyspec != 0 && specfile == NULL)
272 errx(1, "-x requires -F mtree-specfile.");
273
274 /* Accept '-' as meaning "read from standard input". */
275 if (strcmp(argv[1], "-") == 0)
276 sb.st_mode = S_IFREG;
277 else {
278 if (stat(argv[1], &sb) == -1)
279 err(1, "Can't stat `%s'", argv[1]);
280 }
281
282 switch (sb.st_mode & S_IFMT) {
283 case S_IFDIR: /* walk the tree */
284 subtree = argv[1];
285 TIMER_START(start);
286 root = walk_dir(subtree, ".", NULL, NULL);
287 TIMER_RESULTS(start, "walk_dir");
288 break;
289 case S_IFREG: /* read the manifest file */
290 subtree = ".";
291 TIMER_START(start);
292 root = read_mtree(argv[1], NULL);
293 TIMER_RESULTS(start, "manifest");
294 break;
295 default:
296 errx(1, "%s: not a file or directory", argv[1]);
297 /* NOTREACHED */
298 }
299
300 /* append extra directory */
301 for (i = 2; i < argc; i++) {
302 if (stat(argv[i], &sb) == -1)
303 err(1, "Can't stat `%s'", argv[i]);
304 if (!S_ISDIR(sb.st_mode))
305 errx(1, "%s: not a directory", argv[i]);
306 TIMER_START(start);
307 root = walk_dir(argv[i], ".", NULL, root);
308 TIMER_RESULTS(start, "walk_dir2");
309 }
310
311 if (specfile) { /* apply a specfile */
312 TIMER_START(start);
313 apply_specfile(specfile, subtree, root, fsoptions.onlyspec);
314 TIMER_RESULTS(start, "apply_specfile");
315 }
316
317 if (debug & DEBUG_DUMP_FSNODES) {
318 printf("\nparent: %s\n", subtree);
319 dump_fsnodes(root);
320 putchar('\n');
321 }
322
323 /* build the file system */
324 TIMER_START(start);
325 fstype->make_fs(argv[0], subtree, root, &fsoptions);
326 TIMER_RESULTS(start, "make_fs");
327
328 free_fsnodes(root);
329
330 exit(0);
331 /* NOTREACHED */
332 }
333
334
335 int
set_option(option_t * options,const char * var,const char * val)336 set_option(option_t *options, const char *var, const char *val)
337 {
338 int i;
339
340 for (i = 0; options[i].name != NULL; i++) {
341 if (strcmp(options[i].name, var) != 0)
342 continue;
343 *options[i].value = (int)strsuftoll(options[i].desc, val,
344 options[i].minimum, options[i].maximum);
345 return (1);
346 }
347 warnx("Unknown option `%s'", var);
348 return (0);
349 }
350
351
352 static fstype_t *
get_fstype(const char * type)353 get_fstype(const char *type)
354 {
355 int i;
356
357 for (i = 0; fstypes[i].type != NULL; i++)
358 if (strcmp(fstypes[i].type, type) == 0)
359 return (&fstypes[i]);
360 return (NULL);
361 }
362
363 static void
usage(void)364 usage(void)
365 {
366 const char *prog;
367
368 prog = getprogname();
369 fprintf(stderr,
370 "usage: %s [-t fs-type] [-o fs-options] [-d debug-mask] [-B endian]\n"
371 "\t[-S sector-size] [-M minimum-size] [-m maximum-size] [-R roundup-size]\n"
372 "\t[-s image-size] [-b free-blocks] [-f free-files] [-F mtree-specfile]\n"
373 "\t[-xZ] [-N userdb-dir] image-file directory | manifest [extra-directory ...]\n",
374 prog);
375 exit(1);
376 }
377