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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.sbin/makefs/msdos.c	Lines:	0	86	0.0 %
Date:	2017-11-13	Branches:	0	66	0.0 %


/*	$OpenBSD: msdos.c,v 1.11 2017/03/23 18:16:06 patrick Exp $	*/
/*	$NetBSD: msdos.c,v 1.16 2016/01/30 09:59:27 mlelstv Exp $	*/

/*-
 * Copyright (c) 2013 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Christos Zoulas.
 *
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``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 THE FOUNDATION OR CONTRIBUTORS
 * 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 <sys/param.h>

#include <assert.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "ffs/buf.h"
#include "msdos/denode.h"
#include "makefs.h"
#include "msdos.h"
#include "msdos/mkfs_msdos.h"

static int msdos_populate_dir(const char *, struct denode *, fsnode *,
    fsnode *, fsinfo_t *);

void
msdos_prep_opts(fsinfo_t *fsopts)
{
	struct msdos_options *msdos_opt = ecalloc(1, sizeof(*msdos_opt));
	const option_t msdos_options[] = {
#define AOPT(_type, _name, _min) {					\
	.name = # _name,						\
	.type = _min == -1 ? OPT_STRPTR :				\
	    (_min == -2 ? OPT_BOOL :					\
	    (sizeof(_type) == 1 ? OPT_INT8 :				\
	    (sizeof(_type) == 2 ? OPT_INT16 :				\
	    (sizeof(_type) == 4 ? OPT_INT32 : OPT_INT64)))),		\
	.value = &msdos_opt->_name,					\
	.minimum = _min,						\
	.maximum = sizeof(_type) == 1 ? 0xff :				\
	    (sizeof(_type) == 2 ? 0xffff :				\
	    (sizeof(_type) == 4 ? 0xffffffff : 0x7fffffffffffffffLL)),	\
},
ALLOPTS
#undef AOPT
		{ .name = NULL }
	};

	fsopts->fs_specific = msdos_opt;
	fsopts->fs_options = copy_opts(msdos_options);
}

void
msdos_cleanup_opts(fsinfo_t *fsopts)
{
	free(fsopts->fs_specific);
	free(fsopts->fs_options);
}

int
msdos_parse_opts(const char *option, fsinfo_t *fsopts)
{
	struct msdos_options *msdos_opt = fsopts->fs_specific;
	option_t *msdos_options = fsopts->fs_options;

	int rv;

	assert(option != NULL);
	assert(fsopts != NULL);
	assert(msdos_opt != NULL);

	rv = set_option(msdos_options, option, NULL, 0);
	if (rv == -1)
		return rv;

	if (strcmp(msdos_options[rv].name, "volume_id") == 0)
		msdos_opt->volume_id_set = 1;
	else if (strcmp(msdos_options[rv].name, "media_descriptor") == 0)
		msdos_opt->media_descriptor_set = 1;
	else if (strcmp(msdos_options[rv].name, "hidden_sectors") == 0)
		msdos_opt->hidden_sectors_set = 1;
	return 1;
}


void
msdos_makefs(const char *image, const char *dir, fsnode *root, fsinfo_t *fsopts)
{
	struct msdos_options *msdos_opt = fsopts->fs_specific;
	struct mkfsvnode vp, rootvp;
	struct msdosfsmount *pmp;

	assert(image != NULL);
	assert(dir != NULL);
	assert(root != NULL);
	assert(fsopts != NULL);

	/*
	 * XXX: pick up other options from the msdos specific ones?
	 * Is minsize right here?
	 */
	msdos_opt->create_size = MAX(msdos_opt->create_size,
		fsopts->minsize);
	msdos_opt->offset = fsopts->offset;
	if (msdos_opt->bytes_per_sector == 0) {
		if (fsopts->sectorsize == -1)
			fsopts->sectorsize = 512;
		msdos_opt->bytes_per_sector = fsopts->sectorsize;
	} else if (fsopts->sectorsize == -1) {
		fsopts->sectorsize = msdos_opt->bytes_per_sector;
	} else if (fsopts->sectorsize != msdos_opt->bytes_per_sector) {
		err(1, "inconsistent sectorsize -S %u"
		    "!= -o bytes_per_sector %u",
		    fsopts->sectorsize, msdos_opt->bytes_per_sector);
	}

		/* create image */
	printf("Creating `%s'\n", image);
	if (mkfs_msdos(image, NULL, msdos_opt) == -1)
		return;

	fsopts->fd = open(image, O_RDWR);
	vp.fs = fsopts;

	if ((pmp = msdosfs_mount(&vp, 0)) == NULL)
		err(1, "msdosfs_mount");

	if (msdosfs_root(pmp, &rootvp) != 0)
		err(1, "msdosfs_root");

		/* populate image */
	printf("Populating `%s'\n", image);
	if (msdos_populate_dir(dir, VTODE(&rootvp), root, root, fsopts) == -1)
		errx(1, "Image file `%s' not created.", image);

	bcleanup();

	printf("Image `%s' complete\n", image);
}

static int
msdos_populate_dir(const char *path, struct denode *dir, fsnode *root,
    fsnode *parent, fsinfo_t *fsopts)
{
	fsnode *cur;
	char pbuf[MAXPATHLEN];

	assert(dir != NULL);
	assert(root != NULL);
	assert(fsopts != NULL);

	for (cur = root->next; cur != NULL; cur = cur->next) {
		if ((size_t)snprintf(pbuf, sizeof(pbuf), "%s/%s", path,
		    cur->name) >= sizeof(pbuf)) {
			warnx("path %s too long", pbuf);
			return -1;
		}

		if ((cur->inode->flags & FI_ALLOCATED) == 0) {
			cur->inode->flags |= FI_ALLOCATED;
			if (cur != root) {
				fsopts->curinode++;
				cur->inode->ino = fsopts->curinode;
				cur->parent = parent;
			}
		}

		if (cur->inode->flags & FI_WRITTEN) {
			continue;	// hard link
		}
		cur->inode->flags |= FI_WRITTEN;

		if (cur->child) {
			struct denode *de;
			if ((de = msdosfs_mkdire(pbuf, dir, cur)) == NULL) {
				warn("msdosfs_mkdire %s", pbuf);
				return -1;
			}
			if (msdos_populate_dir(pbuf, de, cur->child, cur,
			    fsopts) == -1) {
				warn("msdos_populate_dir %s", pbuf);
				return -1;
			}
			continue;
		} else if (!S_ISREG(cur->type)) {
			warnx("skipping non-regular file %s/%s", cur->path,
			    cur->name);
			continue;
		}
		if (msdosfs_mkfile(pbuf, dir, cur) == NULL) {
			warn("msdosfs_mkfile %s", pbuf);
			return -1;
		}
	}
	return 0;
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: msdos.c,v 1.11 2017/03/23 18:16:06 patrick Exp $ */
2			/* $NetBSD: msdos.c,v 1.16 2016/01/30 09:59:27 mlelstv Exp $ */
3
4			/*-
5			* Copyright (c) 2013 The NetBSD Foundation, Inc.
6			* All rights reserved.
7			*
8			* This code is derived from software contributed to The NetBSD Foundation
9			* by Christos Zoulas.
10			*
11			* Redistribution and use in source and binary forms, with or without
12			* modification, are permitted provided that the following conditions
13			* are met:
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			*
20			* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21			* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22			* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23			* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24			* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25			* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26			* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27			* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28			* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29			* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30			* POSSIBILITY OF SUCH DAMAGE.
31			*/
32
33			#include <sys/param.h>
34
35			#include <assert.h>
36			#include <fcntl.h>
37			#include <stdio.h>
38			#include <stdlib.h>
39			#include <string.h>
40
41			#include "ffs/buf.h"
42			#include "msdos/denode.h"
43			#include "makefs.h"
44			#include "msdos.h"
45			#include "msdos/mkfs_msdos.h"
46
47			static int msdos_populate_dir(const char , struct denode , fsnode *,
48			fsnode , fsinfo_t );
49
50			void
51			msdos_prep_opts(fsinfo_t *fsopts)
52			{
53			struct msdos_options msdos_opt = ecalloc(1, sizeof(msdos_opt));
54			const option_t msdos_options[] = {
55			#define AOPT(_type, _name, _min) { \
56			.name = # _name, \
57			.type = _min == -1 ? OPT_STRPTR : \
58			(_min == -2 ? OPT_BOOL : \
59			(sizeof(_type) == 1 ? OPT_INT8 : \
60			(sizeof(_type) == 2 ? OPT_INT16 : \
61			(sizeof(_type) == 4 ? OPT_INT32 : OPT_INT64)))), \
62			.value = &msdos_opt->_name, \
63			.minimum = _min, \
64			.maximum = sizeof(_type) == 1 ? 0xff : \
65			(sizeof(_type) == 2 ? 0xffff : \
66			(sizeof(_type) == 4 ? 0xffffffff : 0x7fffffffffffffffLL)), \
67			},
68			ALLOPTS
69			#undef AOPT
70			{ .name = NULL }
71			};
72
73			fsopts->fs_specific = msdos_opt;
74			fsopts->fs_options = copy_opts(msdos_options);
75			}
76
77			void
78			msdos_cleanup_opts(fsinfo_t *fsopts)
79			{
80			free(fsopts->fs_specific);
81			free(fsopts->fs_options);
82			}
83
84			int
85			msdos_parse_opts(const char option, fsinfo_t fsopts)
86			{
87			struct msdos_options *msdos_opt = fsopts->fs_specific;
88			option_t *msdos_options = fsopts->fs_options;
89
90			int rv;
91
92			assert(option != NULL);
93			assert(fsopts != NULL);
94			assert(msdos_opt != NULL);
95
96			rv = set_option(msdos_options, option, NULL, 0);
97			if (rv == -1)
98			return rv;
99
100			if (strcmp(msdos_options[rv].name, "volume_id") == 0)
101			msdos_opt->volume_id_set = 1;
102			else if (strcmp(msdos_options[rv].name, "media_descriptor") == 0)
103			msdos_opt->media_descriptor_set = 1;
104			else if (strcmp(msdos_options[rv].name, "hidden_sectors") == 0)
105			msdos_opt->hidden_sectors_set = 1;
106			return 1;
107			}
108
109
110			void
111			msdos_makefs(const char image, const char dir, fsnode root, fsinfo_t fsopts)
112			{
113			struct msdos_options *msdos_opt = fsopts->fs_specific;
114			struct mkfsvnode vp, rootvp;
115			struct msdosfsmount *pmp;
116
117			assert(image != NULL);
118			assert(dir != NULL);
119			assert(root != NULL);
120			assert(fsopts != NULL);
121
122			/*
123			* XXX: pick up other options from the msdos specific ones?
124			* Is minsize right here?
125			*/
126			msdos_opt->create_size = MAX(msdos_opt->create_size,
127			fsopts->minsize);
128			msdos_opt->offset = fsopts->offset;
129			if (msdos_opt->bytes_per_sector == 0) {
130			if (fsopts->sectorsize == -1)
131			fsopts->sectorsize = 512;
132			msdos_opt->bytes_per_sector = fsopts->sectorsize;
133			} else if (fsopts->sectorsize == -1) {
134			fsopts->sectorsize = msdos_opt->bytes_per_sector;
135			} else if (fsopts->sectorsize != msdos_opt->bytes_per_sector) {
136			err(1, "inconsistent sectorsize -S %u"
137			"!= -o bytes_per_sector %u",
138			fsopts->sectorsize, msdos_opt->bytes_per_sector);
139			}
140
141			/* create image */
142			printf("Creating `%s'\n", image);
143			if (mkfs_msdos(image, NULL, msdos_opt) == -1)
144			return;
145
146			fsopts->fd = open(image, O_RDWR);
147			vp.fs = fsopts;
148
149			if ((pmp = msdosfs_mount(&vp, 0)) == NULL)
150			err(1, "msdosfs_mount");
151
152			if (msdosfs_root(pmp, &rootvp) != 0)
153			err(1, "msdosfs_root");
154
155			/* populate image */
156			printf("Populating `%s'\n", image);
157			if (msdos_populate_dir(dir, VTODE(&rootvp), root, root, fsopts) == -1)
158			errx(1, "Image file `%s' not created.", image);
159
160			bcleanup();
161
162			printf("Image `%s' complete\n", image);
163			}
164
165			static int
166			msdos_populate_dir(const char path, struct denode dir, fsnode *root,
167			fsnode parent, fsinfo_t fsopts)
168			{
169			fsnode *cur;
170			char pbuf[MAXPATHLEN];
171
172			assert(dir != NULL);
173			assert(root != NULL);
174			assert(fsopts != NULL);
175
176			for (cur = root->next; cur != NULL; cur = cur->next) {
177			if ((size_t)snprintf(pbuf, sizeof(pbuf), "%s/%s", path,
178			cur->name) >= sizeof(pbuf)) {
179			warnx("path %s too long", pbuf);
180			return -1;
181			}
182
183			if ((cur->inode->flags & FI_ALLOCATED) == 0) {
184			cur->inode->flags \|= FI_ALLOCATED;
185			if (cur != root) {
186			fsopts->curinode++;
187			cur->inode->ino = fsopts->curinode;
188			cur->parent = parent;
189			}
190			}
191
192			if (cur->inode->flags & FI_WRITTEN) {
193			continue; // hard link
194			}
195			cur->inode->flags \|= FI_WRITTEN;
196
197			if (cur->child) {
198			struct denode *de;
199			if ((de = msdosfs_mkdire(pbuf, dir, cur)) == NULL) {
200			warn("msdosfs_mkdire %s", pbuf);
201			return -1;
202			}
203			if (msdos_populate_dir(pbuf, de, cur->child, cur,
204			fsopts) == -1) {
205			warn("msdos_populate_dir %s", pbuf);
206			return -1;
207			}
208			continue;
209			} else if (!S_ISREG(cur->type)) {
210			warnx("skipping non-regular file %s/%s", cur->path,
211			cur->name);
212			continue;
213			}
214			if (msdosfs_mkfile(pbuf, dir, cur) == NULL) {
215			warn("msdosfs_mkfile %s", pbuf);
216			return -1;
217			}
218			}
219			return 0;
220			}