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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.sbin/makefs/makefs.c	Lines:	0	127	0.0 %
Date:	2017-11-13	Branches:	0	84	0.0 %


/*	$OpenBSD: makefs.c,v 1.19 2016/12/17 16:12:15 krw Exp $	*/
/*	$NetBSD: makefs.c,v 1.53 2015/11/27 15:10:32 joerg Exp $	*/

/*
 * Copyright (c) 2001-2003 Wasabi Systems, Inc.
 * All rights reserved.
 *
 * Written by Luke Mewburn for Wasabi Systems, Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed for the NetBSD Project by
 *      Wasabi Systems, Inc.
 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
 *    or promote products derived from this software without specific prior
 *    written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include <assert.h>
#include <errno.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <util.h>

#include "makefs.h"

/*
 * list of supported file systems and dispatch functions
 */
typedef struct {
	const char	*type;
	void		(*prepare_options)(fsinfo_t *);
	int		(*parse_options)(const char *, fsinfo_t *);
	void		(*cleanup_options)(fsinfo_t *);
	void		(*make_fs)(const char *, const char *, fsnode *,
				fsinfo_t *);
} fstype_t;

static fstype_t fstypes[] = {
#define ENTRY(name) { \
	# name, name ## _prep_opts, name ## _parse_opts, \
	name ## _cleanup_opts, name ## _makefs  \
}
	ENTRY(ffs),
	ENTRY(cd9660),
	ENTRY(msdos),
	{ .type = NULL	},
};

int Tflag;
time_t stampts;
struct timespec	start_time;

static	fstype_t *get_fstype(const char *);
static time_t get_tstamp(const char *);
static long long strsuftoll(const char *, const char *, long long, long long);
static __dead void usage(void);

int
main(int argc, char *argv[])
{
	fstype_t	*fstype;
	fsinfo_t	 fsoptions;
	fsnode		*root;
	int		 ch, len;

	if ((fstype = get_fstype(DEFAULT_FSTYPE)) == NULL)
		errx(1, "Unknown default fs type `%s'.", DEFAULT_FSTYPE);

		/* set default fsoptions */
	(void)memset(&fsoptions, 0, sizeof(fsoptions));
	fsoptions.fd = -1;
	fsoptions.sectorsize = -1;

	if (fstype->prepare_options)
		fstype->prepare_options(&fsoptions);

	ch = clock_gettime(CLOCK_REALTIME, &start_time);
	if (ch == -1)
		err(1, "Unable to get system time");


	while ((ch = getopt(argc, argv, "b:f:M:m:O:o:s:S:t:T:")) != -1) {
		switch (ch) {
		case 'b':
			len = strlen(optarg) - 1;
			if (optarg[len] == '%') {
				optarg[len] = '\0';
				fsoptions.freeblockpc =
				    strsuftoll("free block percentage",
					optarg, 0, 99);
			} else {
				fsoptions.freeblocks =
				    strsuftoll("free blocks",
					optarg, 0, LLONG_MAX);
			}
			break;

		case 'f':
			len = strlen(optarg) - 1;
			if (optarg[len] == '%') {
				optarg[len] = '\0';
				fsoptions.freefilepc =
				    strsuftoll("free file percentage",
					optarg, 0, 99);
			} else {
				fsoptions.freefiles =
				    strsuftoll("free files",
					optarg, 0, LLONG_MAX);
			}
			break;

		case 'M':
			fsoptions.minsize =
			    strsuftoll("minimum size", optarg, 1LL, LLONG_MAX);
			break;

		case 'm':
			fsoptions.maxsize =
			    strsuftoll("maximum size", optarg, 1LL, LLONG_MAX);
			break;

		case 'O':
			fsoptions.offset =
			    strsuftoll("offset", optarg, 0LL, LLONG_MAX);
			break;

		case 'o':
		{
			char *p;

			while ((p = strsep(&optarg, ",")) != NULL) {
				if (*p == '\0')
					errx(1, "Empty option");
				if (! fstype->parse_options(p, &fsoptions))
					usage();
			}
			break;
		}

		case 's':
			fsoptions.minsize = fsoptions.maxsize =
			    strsuftoll("size", optarg, 1LL, LLONG_MAX);
			break;

		case 'S':
			fsoptions.sectorsize =
			    (int)strsuftoll("sector size", optarg,
				1LL, INT_MAX);
			break;

		case 't':
			/* Check current one and cleanup if necessary. */
			if (fstype->cleanup_options)
				fstype->cleanup_options(&fsoptions);
			fsoptions.fs_specific = NULL;
			if ((fstype = get_fstype(optarg)) == NULL)
				errx(1, "Unknown fs type `%s'.", optarg);
			fstype->prepare_options(&fsoptions);
			break;

		case 'T':
			Tflag = 1;
			stampts = get_tstamp(optarg);
			break;

		case '?':
		default:
			usage();
		}
	}
	argc -= optind;
	argv += optind;

	if (argc != 2)
		usage();

	if (pledge("stdio rpath wpath cpath flock", NULL) == -1)
		err(1, "pledge");

				/* walk the tree */
	root = walk_dir(argv[1], ".", NULL, NULL);

				/* build the file system */
	fstype->make_fs(argv[0], argv[1], root, &fsoptions);

	free_fsnodes(root);

	exit(0);
}

int
set_option(const option_t *options, const char *option, char *buf, size_t len)
{
	char *var, *val;
	int retval;

	assert(option != NULL);

	var = estrdup(option);
	for (val = var; *val; val++)
		if (*val == '=') {
			*val++ = '\0';
			break;
		}
	retval = set_option_var(options, var, val, buf, len);
	free(var);
	return retval;
}

int
set_option_var(const option_t *options, const char *var, const char *val,
    char *buf, size_t len)
{
	char *s;
	size_t i;

#define NUM(type) \
	if (!*val) { \
		*(type *)options[i].value = 1; \
		break; \
	} \
	*(type *)options[i].value = (type)strsuftoll(options[i].name, val, \
	    options[i].minimum, options[i].maximum); break

	for (i = 0; options[i].name != NULL; i++) {
		if (strcmp(options[i].name, var) != 0)
			continue;
		switch (options[i].type) {
		case OPT_BOOL:
			*(int *)options[i].value = 1;
			break;
		case OPT_STRARRAY:
			strlcpy((void *)options[i].value, val, (size_t)
			    options[i].maximum);
			break;
		case OPT_STRPTR:
			s = estrdup(val);
			*(char **)options[i].value = s;
			break;
		case OPT_STRBUF:
			if (buf == NULL)
				abort();
			strlcpy(buf, val, len);
			break;
		case OPT_INT64:
			NUM(uint64_t);
		case OPT_INT32:
			NUM(uint32_t);
		case OPT_INT16:
			NUM(uint16_t);
		case OPT_INT8:
			NUM(uint8_t);
		default:
			warnx("Unknown type %d in option %s", options[i].type,
			    val);
			return 0;
		}
		return i;
	}
	warnx("Unknown option `%s'", var);
	return -1;
}


static fstype_t *
get_fstype(const char *type)
{
	int i;

	for (i = 0; fstypes[i].type != NULL; i++)
		if (strcmp(fstypes[i].type, type) == 0)
			return (&fstypes[i]);
	return (NULL);
}

option_t *
copy_opts(const option_t *o)
{
	size_t i;
	for (i = 0; o[i].name; i++)
		continue;
	i++;
	return memcpy(ecalloc(i, sizeof(*o)), o, i * sizeof(*o));
}

static time_t
get_tstamp(const char *b)
{
	time_t when;
	char *eb;

	errno = 0;
	when = strtoll(b, &eb, 0);
	if (b == eb || *eb || errno) {
		errx(1, "Cannot get timestamp from `%s'",
		    optarg);
	}
	return when;
}

/* XXX */
static long long
strsuftoll(const char *desc, const char *val, long long min, long long max)
{
	long long res;

	if (scan_scaled((char *)val, &res) == -1)
		err(1, "%s", desc);
	if (res < min || res > max)
		errc(1, ERANGE, "%s", desc);
	return res;
}

static void
usage(void)
{
	extern char *__progname;

	fprintf(stderr,
"usage: %s [-b free-blocks] [-f free-files] [-M minimum-size]\n"
"\t[-m maximum-size] [-O offset] [-o fs-options] [-S sector-size]\n"
"\t[-s image-size] [-T timestamp] [-t fs-type] image-file directory\n",
	    __progname);

	exit(1);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: makefs.c,v 1.19 2016/12/17 16:12:15 krw Exp $ */
2			/* $NetBSD: makefs.c,v 1.53 2015/11/27 15:10:32 joerg Exp $ */
3
4			/*
5			* Copyright (c) 2001-2003 Wasabi Systems, Inc.
6			* All rights reserved.
7			*
8			* Written by Luke Mewburn for Wasabi Systems, Inc.
9			*
10			* Redistribution and use in source and binary forms, with or without
11			* modification, are permitted provided that the following conditions
12			* are met:
13			* 1. Redistributions of source code must retain the above copyright
14			* notice, this list of conditions and the following disclaimer.
15			* 2. Redistributions in binary form must reproduce the above copyright
16			* notice, this list of conditions and the following disclaimer in the
17			* documentation and/or other materials provided with the distribution.
18			* 3. All advertising materials mentioning features or use of this software
19			* must display the following acknowledgement:
20			* This product includes software developed for the NetBSD Project by
21			* Wasabi Systems, Inc.
22			* 4. The name of Wasabi Systems, Inc. may not be used to endorse
23			* or promote products derived from this software without specific prior
24			* written permission.
25			*
26			* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
27			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28			* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29			* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
30			* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31			* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32			* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33			* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34			* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35			* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36			* POSSIBILITY OF SUCH DAMAGE.
37			*/
38
39			#include <assert.h>
40			#include <errno.h>
41			#include <limits.h>
42			#include <stdio.h>
43			#include <stdlib.h>
44			#include <string.h>
45			#include <unistd.h>
46			#include <util.h>
47
48			#include "makefs.h"
49
50			/*
51			* list of supported file systems and dispatch functions
52			*/
53			typedef struct {
54			const char *type;
55			void (prepare_options)(fsinfo_t );
56			int (parse_options)(const char , fsinfo_t *);
57			void (cleanup_options)(fsinfo_t );
58			void (make_fs)(const char , const char , fsnode ,
59			fsinfo_t *);
60			} fstype_t;
61
62			static fstype_t fstypes[] = {
63			#define ENTRY(name) { \
64			# name, name ## _prep_opts, name ## _parse_opts, \
65			name ## _cleanup_opts, name ## _makefs \
66			}
67			ENTRY(ffs),
68			ENTRY(cd9660),
69			ENTRY(msdos),
70			{ .type = NULL },
71			};
72
73			int Tflag;
74			time_t stampts;
75			struct timespec start_time;
76
77			static fstype_t get_fstype(const char );
78			static time_t get_tstamp(const char *);
79			static long long strsuftoll(const char , const char , long long, long long);
80			static __dead void usage(void);
81
82			int
83			main(int argc, char *argv[])
84			{
85			fstype_t *fstype;
86			fsinfo_t fsoptions;
87			fsnode *root;
88			int ch, len;
89
90			if ((fstype = get_fstype(DEFAULT_FSTYPE)) == NULL)
91			errx(1, "Unknown default fs type `%s'.", DEFAULT_FSTYPE);
92
93			/* set default fsoptions */
94			(void)memset(&fsoptions, 0, sizeof(fsoptions));
95			fsoptions.fd = -1;
96			fsoptions.sectorsize = -1;
97
98			if (fstype->prepare_options)
99			fstype->prepare_options(&fsoptions);
100
101			ch = clock_gettime(CLOCK_REALTIME, &start_time);
102			if (ch == -1)
103			err(1, "Unable to get system time");
104
105
106			while ((ch = getopt(argc, argv, "b:f:M:m:O:o:s:S:t:T:")) != -1) {
107			switch (ch) {
108			case 'b':
109			len = strlen(optarg) - 1;
110			if (optarg[len] == '%') {
111			optarg[len] = '\0';
112			fsoptions.freeblockpc =
113			strsuftoll("free block percentage",
114			optarg, 0, 99);
115			} else {
116			fsoptions.freeblocks =
117			strsuftoll("free blocks",
118			optarg, 0, LLONG_MAX);
119			}
120			break;
121
122			case 'f':
123			len = strlen(optarg) - 1;
124			if (optarg[len] == '%') {
125			optarg[len] = '\0';
126			fsoptions.freefilepc =
127			strsuftoll("free file percentage",
128			optarg, 0, 99);
129			} else {
130			fsoptions.freefiles =
131			strsuftoll("free files",
132			optarg, 0, LLONG_MAX);
133			}
134			break;
135
136			case 'M':
137			fsoptions.minsize =
138			strsuftoll("minimum size", optarg, 1LL, LLONG_MAX);
139			break;
140
141			case 'm':
142			fsoptions.maxsize =
143			strsuftoll("maximum size", optarg, 1LL, LLONG_MAX);
144			break;
145
146			case 'O':
147			fsoptions.offset =
148			strsuftoll("offset", optarg, 0LL, LLONG_MAX);
149			break;
150
151			case 'o':
152			{
153			char *p;
154
155			while ((p = strsep(&optarg, ",")) != NULL) {
156			if (*p == '\0')
157			errx(1, "Empty option");
158			if (! fstype->parse_options(p, &fsoptions))
159			usage();
160			}
161			break;
162			}
163
164			case 's':
165			fsoptions.minsize = fsoptions.maxsize =
166			strsuftoll("size", optarg, 1LL, LLONG_MAX);
167			break;
168
169			case 'S':
170			fsoptions.sectorsize =
171			(int)strsuftoll("sector size", optarg,
172			1LL, INT_MAX);
173			break;
174
175			case 't':
176			/* Check current one and cleanup if necessary. */
177			if (fstype->cleanup_options)
178			fstype->cleanup_options(&fsoptions);
179			fsoptions.fs_specific = NULL;
180			if ((fstype = get_fstype(optarg)) == NULL)
181			errx(1, "Unknown fs type `%s'.", optarg);
182			fstype->prepare_options(&fsoptions);
183			break;
184
185			case 'T':
186			Tflag = 1;
187			stampts = get_tstamp(optarg);
188			break;
189
190			case '?':
191			default:
192			usage();
193			}
194			}
195			argc -= optind;
196			argv += optind;
197
198			if (argc != 2)
199			usage();
200
201			if (pledge("stdio rpath wpath cpath flock", NULL) == -1)
202			err(1, "pledge");
203
204			/* walk the tree */
205			root = walk_dir(argv[1], ".", NULL, NULL);
206
207			/* build the file system */
208			fstype->make_fs(argv[0], argv[1], root, &fsoptions);
209
210			free_fsnodes(root);
211
212			exit(0);
213			}
214
215			int
216			set_option(const option_t options, const char option, char *buf, size_t len)
217			{
218			char var, val;
219			int retval;
220
221			assert(option != NULL);
222
223			var = estrdup(option);
224			for (val = var; *val; val++)
225			if (*val == '=') {
226			*val++ = '\0';
227			break;
228			}
229			retval = set_option_var(options, var, val, buf, len);
230			free(var);
231			return retval;
232			}
233
234			int
235			set_option_var(const option_t options, const char var, const char *val,
236			char *buf, size_t len)
237			{
238			char *s;
239			size_t i;
240
241			#define NUM(type) \
242			if (!*val) { \
243			(type )options[i].value = 1; \
244			break; \
245			} \
246			(type )options[i].value = (type)strsuftoll(options[i].name, val, \
247			options[i].minimum, options[i].maximum); break
248
249			for (i = 0; options[i].name != NULL; i++) {
250			if (strcmp(options[i].name, var) != 0)
251			continue;
252			switch (options[i].type) {
253			case OPT_BOOL:
254			(int )options[i].value = 1;
255			break;
256			case OPT_STRARRAY:
257			strlcpy((void *)options[i].value, val, (size_t)
258			options[i].maximum);
259			break;
260			case OPT_STRPTR:
261			s = estrdup(val);
262			(char *)options[i].value = s;
263			break;
264			case OPT_STRBUF:
265			if (buf == NULL)
266			abort();
267			strlcpy(buf, val, len);
268			break;
269			case OPT_INT64:
270			NUM(uint64_t);
271			case OPT_INT32:
272			NUM(uint32_t);
273			case OPT_INT16:
274			NUM(uint16_t);
275			case OPT_INT8:
276			NUM(uint8_t);
277			default:
278			warnx("Unknown type %d in option %s", options[i].type,
279			val);
280			return 0;
281			}
282			return i;
283			}
284			warnx("Unknown option `%s'", var);
285			return -1;
286			}
287
288
289			static fstype_t *
290			get_fstype(const char *type)
291			{
292			int i;
293
294			for (i = 0; fstypes[i].type != NULL; i++)
295			if (strcmp(fstypes[i].type, type) == 0)
296			return (&fstypes[i]);
297			return (NULL);
298			}
299
300			option_t *
301			copy_opts(const option_t *o)
302			{
303			size_t i;
304			for (i = 0; o[i].name; i++)
305			continue;
306			i++;
307			return memcpy(ecalloc(i, sizeof(o)), o, i sizeof(*o));
308			}
309
310			static time_t
311			get_tstamp(const char *b)
312			{
313			time_t when;
314			char *eb;
315
316			errno = 0;
317			when = strtoll(b, &eb, 0);
318			if (b == eb \|\| *eb \|\| errno) {
319			errx(1, "Cannot get timestamp from `%s'",
320			optarg);
321			}
322			return when;
323			}
324
325			/* XXX */
326			static long long
327			strsuftoll(const char desc, const char val, long long min, long long max)
328			{
329			long long res;
330
331			if (scan_scaled((char *)val, &res) == -1)
332			err(1, "%s", desc);
333			if (res < min \|\| res > max)
334			errc(1, ERANGE, "%s", desc);
335			return res;
336			}
337
338			static void
339			usage(void)
340			{
341			extern char *__progname;
342
343			fprintf(stderr,
344			"usage: %s [-b free-blocks] [-f free-files] [-M minimum-size]\n"
345			"\t[-m maximum-size] [-O offset] [-o fs-options] [-S sector-size]\n"
346			"\t[-s image-size] [-T timestamp] [-t fs-type] image-file directory\n",
347			__progname);
348
349			exit(1);
350			}