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 */
59typedef 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
68static fstype_t fstypes[] = {
69	{ "ffs", ffs_prep_opts,	ffs_parse_opts,	ffs_cleanup_opts, ffs_makefs },
70	{ "cd9660", cd9660_prep_opts, cd9660_parse_opts, cd9660_cleanup_opts,
71	  cd9660_makefs},
72	{ .type = NULL	},
73};
74
75u_int		debug;
76int		dupsok;
77struct timespec	start_time;
78
79static	fstype_t *get_fstype(const char *);
80static	void	usage(void);
81int		main(int, char *[]);
82
83int
84main(int argc, char *argv[])
85{
86	struct stat	 sb;
87	struct timeval	 start;
88	fstype_t	*fstype;
89	fsinfo_t	 fsoptions;
90	fsnode		*root;
91	int	 	 ch, i, len;
92	char		*subtree;
93	char		*specfile;
94
95	setprogname(argv[0]);
96
97	debug = 0;
98	if ((fstype = get_fstype(DEFAULT_FSTYPE)) == NULL)
99		errx(1, "Unknown default fs type `%s'.", DEFAULT_FSTYPE);
100
101		/* set default fsoptions */
102	(void)memset(&fsoptions, 0, sizeof(fsoptions));
103	fsoptions.fd = -1;
104	fsoptions.sectorsize = -1;
105
106	if (fstype->prepare_options)
107		fstype->prepare_options(&fsoptions);
108
109	specfile = NULL;
110	if (gettimeofday(&start, NULL) == -1)
111		err(1, "Unable to get system time");
112
113	start_time.tv_sec = start.tv_sec;
114	start_time.tv_nsec = start.tv_usec * 1000;
115
116	while ((ch = getopt(argc, argv, "B:b:Dd:f:F:M:m:N:o:ps:S:t:xZ")) != -1) {
117		switch (ch) {
118
119		case 'B':
120			if (strcmp(optarg, "be") == 0 ||
121			    strcmp(optarg, "4321") == 0 ||
122			    strcmp(optarg, "big") == 0) {
123#if BYTE_ORDER == LITTLE_ENDIAN
124				fsoptions.needswap = 1;
125#endif
126			} else if (strcmp(optarg, "le") == 0 ||
127			    strcmp(optarg, "1234") == 0 ||
128			    strcmp(optarg, "little") == 0) {
129#if BYTE_ORDER == BIG_ENDIAN
130				fsoptions.needswap = 1;
131#endif
132			} else {
133				warnx("Invalid endian `%s'.", optarg);
134				usage();
135			}
136			break;
137
138		case 'b':
139			len = strlen(optarg) - 1;
140			if (optarg[len] == '%') {
141				optarg[len] = '\0';
142				fsoptions.freeblockpc =
143				    strsuftoll("free block percentage",
144					optarg, 0, 99);
145			} else {
146				fsoptions.freeblocks =
147				    strsuftoll("free blocks",
148					optarg, 0, LLONG_MAX);
149			}
150			break;
151
152		case 'D':
153			dupsok = 1;
154			break;
155
156		case 'd':
157			debug = strtoll(optarg, NULL, 0);
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		case 'p':
208			/* Deprecated in favor of 'Z' */
209			fsoptions.sparse = 1;
210			break;
211
212		case 's':
213			fsoptions.minsize = fsoptions.maxsize =
214			    strsuftoll("size", optarg, 1LL, LLONG_MAX);
215			break;
216
217		case 'S':
218			fsoptions.sectorsize =
219			    (int)strsuftoll("sector size", optarg,
220				1LL, INT_MAX);
221			break;
222
223		case 't':
224			/* Check current one and cleanup if necessary. */
225			if (fstype->cleanup_options)
226				fstype->cleanup_options(&fsoptions);
227			fsoptions.fs_specific = NULL;
228			if ((fstype = get_fstype(optarg)) == NULL)
229				errx(1, "Unknown fs type `%s'.", optarg);
230			fstype->prepare_options(&fsoptions);
231			break;
232
233		case 'x':
234			fsoptions.onlyspec = 1;
235			break;
236
237		case 'Z':
238			/* Superscedes 'p' for compatibility with NetBSD makefs(8) */
239			fsoptions.sparse = 1;
240			break;
241
242		case '?':
243		default:
244			usage();
245			/* NOTREACHED */
246
247		}
248	}
249	if (debug) {
250		printf("debug mask: 0x%08x\n", debug);
251		printf("start time: %ld.%ld, %s",
252		    (long)start_time.tv_sec, (long)start_time.tv_nsec,
253		    ctime(&start_time.tv_sec));
254	}
255	argc -= optind;
256	argv += optind;
257
258	if (argc < 2)
259		usage();
260
261	/* -x must be accompanied by -F */
262	if (fsoptions.onlyspec != 0 && specfile == NULL)
263		errx(1, "-x requires -F mtree-specfile.");
264
265	/* Accept '-' as meaning "read from standard input". */
266	if (strcmp(argv[1], "-") == 0)
267		sb.st_mode = S_IFREG;
268	else {
269		if (stat(argv[1], &sb) == -1)
270			err(1, "Can't stat `%s'", argv[1]);
271	}
272
273	switch (sb.st_mode & S_IFMT) {
274	case S_IFDIR:		/* walk the tree */
275		subtree = argv[1];
276		TIMER_START(start);
277		root = walk_dir(subtree, ".", NULL, NULL);
278		TIMER_RESULTS(start, "walk_dir");
279		break;
280	case S_IFREG:		/* read the manifest file */
281		subtree = ".";
282		TIMER_START(start);
283		root = read_mtree(argv[1], NULL);
284		TIMER_RESULTS(start, "manifest");
285		break;
286	default:
287		errx(1, "%s: not a file or directory", argv[1]);
288		/* NOTREACHED */
289	}
290
291	/* append extra directory */
292	for (i = 2; i < argc; i++) {
293		if (stat(argv[i], &sb) == -1)
294			err(1, "Can't stat `%s'", argv[i]);
295		if (!S_ISDIR(sb.st_mode))
296			errx(1, "%s: not a directory", argv[i]);
297		TIMER_START(start);
298		root = walk_dir(argv[i], ".", NULL, root);
299		TIMER_RESULTS(start, "walk_dir2");
300	}
301
302	if (specfile) {		/* apply a specfile */
303		TIMER_START(start);
304		apply_specfile(specfile, subtree, root, fsoptions.onlyspec);
305		TIMER_RESULTS(start, "apply_specfile");
306	}
307
308	if (debug & DEBUG_DUMP_FSNODES) {
309		printf("\nparent: %s\n", subtree);
310		dump_fsnodes(root);
311		putchar('\n');
312	}
313
314				/* build the file system */
315	TIMER_START(start);
316	fstype->make_fs(argv[0], subtree, root, &fsoptions);
317	TIMER_RESULTS(start, "make_fs");
318
319	free_fsnodes(root);
320
321	exit(0);
322	/* NOTREACHED */
323}
324
325
326int
327set_option(option_t *options, const char *var, const char *val)
328{
329	int	i;
330
331	for (i = 0; options[i].name != NULL; i++) {
332		if (strcmp(options[i].name, var) != 0)
333			continue;
334		*options[i].value = (int)strsuftoll(options[i].desc, val,
335		    options[i].minimum, options[i].maximum);
336		return (1);
337	}
338	warnx("Unknown option `%s'", var);
339	return (0);
340}
341
342
343static fstype_t *
344get_fstype(const char *type)
345{
346	int i;
347
348	for (i = 0; fstypes[i].type != NULL; i++)
349		if (strcmp(fstypes[i].type, type) == 0)
350			return (&fstypes[i]);
351	return (NULL);
352}
353
354static void
355usage(void)
356{
357	const char *prog;
358
359	prog = getprogname();
360	fprintf(stderr,
361"usage: %s [-t fs-type] [-o fs-options] [-d debug-mask] [-B endian]\n"
362"\t[-S sector-size] [-M minimum-size] [-m maximum-size] [-s image-size]\n"
363"\t[-b free-blocks] [-f free-files] [-F mtree-specfile] [-xZ]\n"
364"\t[-N userdb-dir] image-file directory | manifest [extra-directory ...]\n",
365	    prog);
366	exit(1);
367}
368