/*-

 * Copyright (c) 2010 Michihiro NAKAJIMA

 * Copyright (c) 2003-2008 Tim Kientzle

 * All rights reserved.

 *

 * 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 AUTHOR(S) ``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 AUTHOR(S) 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 "test.h"

__FBSDID("$FreeBSD$");

/*

Execute the following to rebuild the data for this program:

   tail -n +33 test_compat_lzip.c | /bin/sh

# Use lzip command.

zcmd=lzip

zsuffix=lz

ztar_suffix=tlz

mktarfile()

{

mkdir $dir

echo "f1" > $dir/f1

echo "f2" > $dir/f2

echo "f3" > $dir/f3

mkdir $dir/d1

echo "f1" > $dir/d1/f1

echo "f2" > $dir/d1/f2

echo "f3" > $dir/d1/f3

(cd $dir; tar cf ../$name.tar f1 f2 f3 d1/f1 d1/f2 d1/f3)

rm -r $dir

}

#

# Make a lzip file from splitted tar file.

#

name=test_compat_lzip_1

dir="$name`date +%Y%m%d%H%M%S`.$USER"

mktarfile

split -b 3600 $name.tar $name.tar.

rm $name.tar

$zcmd $name.tar.*

cat $name.tar.*.$zsuffix > $name.$ztar_suffix

rm $name.tar.*.$zsuffix

uuencode $name.$ztar_suffix $name.$ztar_suffix > $name.$ztar_suffix.uu

rm -f $name.$ztar_suffix

#

# Make a lzip file with junk data at the end of the file.

#

name=test_compat_lzip_2

dir="$name`date +%Y%m%d%H%M%S`.$USER"

mktarfile

$zcmd $name.tar

mv $name.tar.$zsuffix $name.$ztar_suffix

echo "This is unrelated junk data at the end of the file" >> $name.$ztar_suffix

uuencode $name.$ztar_suffix $name.$ztar_suffix > $name.$ztar_suffix.uu

rm -f $name.$ztar_suffix

exit 0

*/

/*

 * Verify our ability to read sample files compatibly with lzip.

 *

 * In particular:

 *  * lzip will read multiple lzip streams, concatenating the output

 *  * lzip will stop at the end of a stream if the following data

 *    doesn't start with a gzip signature.

 *

 */

/*

 * All of the sample files have the same contents; they're just

 * compressed in different ways.

 */

static void

compat_lzip(const char *name)

{

	const char *n[7] = { "f1", "f2", "f3", "d1/f1", "d1/f2", "d1/f3", NULL };

	struct archive_entry *ae;

	struct archive *a;

	int i, r;

	assert((a = archive_read_new()) != NULL);

	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));

	r = archive_read_support_filter_lzip(a);

	if (r == ARCHIVE_WARN) {

		skipping("lzip reading not fully supported on this platform");

		assertEqualInt(ARCHIVE_OK, archive_read_free(a));

		return;

	}

	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));

	extract_reference_file(name);

	assertEqualIntA(a, ARCHIVE_OK, archive_read_open_filename(a, name, 2));

	/* Read entries, match up names with list above. */

	for (i = 0; i < 6; ++i) {

		failure("Could not read file %d (%s) from %s", i, n[i], name);

		assertEqualIntA(a, ARCHIVE_OK,

		    archive_read_next_header(a, &ae);;

		assertEqualString(n[i], archive_entry_pathname(ae));

	}

	/* Verify the end-of-archive. */

	assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae);;

	/* Verify that the format detection worked. */

	assertEqualInt(archive_filter_code(a, 0), ARCHIVE_FILTER_LZIP);

	assertEqualString(archive_filter_name(a, 0), "lzip");

	assertEqualInt(archive_format(a), ARCHIVE_FORMAT_TAR_USTAR);

	assertEqualInt(ARCHIVE_OK, archive_read_close(a));

	assertEqualInt(ARCHIVE_OK, archive_read_free(a));

}

DEFINE_TEST(test_compat_lzip)

{

        /* This sample has been 'split', each piece compressed separately,

         * then concatenated.  lzip will emit the concatenated result. */

        compat_lzip("test_compat_lzip_1.tlz");

        /* This sample has been compressed as a single stream, but then

         * some unrelated garbage text has been appended to the end. */

        compat_lzip("test_compat_lzip_2.tlz");

}