/*-

 * Copyright (c) 2003-2010 Tim Kientzle

 * Copyright (c) 2012 Michihiro NAKAJIMA

 * 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("$FreeBSD$");

static char buff[1000000];

static void

test_1(void)

{

	struct archive_entry *ae;

	struct archive *a;

	size_t used;

	size_t blocksize;

	int64_t offset, length;

	char *buff2;

	size_t buff2_size = 0x13000;

	char buff3[1024];

	long i;

	assert((buff2 = malloc(buff2_size)) != NULL);

	/* Repeat the following for a variety of odd blocksizes. */

	for (blocksize = 1; blocksize < 100000; blocksize += blocksize + 3) {

		/* Create a new archive in memory. */

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

		assertEqualIntA(a, ARCHIVE_OK,

		    archive_write_set_format_pax(a));

		assertEqualIntA(a, ARCHIVE_OK,

		    archive_write_add_filter_none(a));

		assertEqualIntA(a, ARCHIVE_OK,

		    archive_write_set_bytes_per_block(a, (int)blocksize));

		assertEqualIntA(a, ARCHIVE_OK,

		    archive_write_set_bytes_in_last_block(a, (int)blocksize));

		assertEqualInt(blocksize,

		    archive_write_get_bytes_in_last_block(a));

		assertEqualIntA(a, ARCHIVE_OK,

		    archive_write_open_memory(a, buff, sizeof(buff), &used));

		assertEqualInt(blocksize,

		    archive_write_get_bytes_in_last_block(a));

		/*

		 * Write a file to it.

		 */

		assert((ae = archive_entry_new()) != NULL);

		archive_entry_set_mtime(ae, 1, 10);

		assertEqualInt(1, archive_entry_mtime(ae));

		assertEqualInt(10, archive_entry_mtime_nsec(ae));

		archive_entry_copy_pathname(ae, "file");

		assertEqualString("file", archive_entry_pathname(ae));

		archive_entry_set_mode(ae, S_IFREG | 0755);

		assertEqualInt(S_IFREG | 0755, archive_entry_mode(ae));

		archive_entry_set_size(ae, 0x81000);

		archive_entry_sparse_add_entry(ae, 0x10000, 0x1000);

		archive_entry_sparse_add_entry(ae, 0x80000, 0x1000);

		assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae));

		archive_entry_free(ae);

		memset(buff2, 'a', buff2_size);

		for (i = 0; i < 0x81000;) {

			size_t ws = buff2_size;

			if (i + ws > 0x81000)

				ws = 0x81000 - i;

			assertEqualInt(ws,

				archive_write_data(a, buff2, ws));

			i += (long)ws;

		}

		/* Close out the archive. */

		assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));

		assertEqualInt(ARCHIVE_OK, archive_write_free(a));

		/* This calculation gives "the smallest multiple of

		 * the block size that is at least 11264 bytes". */

		failure("blocksize=%d", blocksize);

		assertEqualInt(((11264 - 1)/blocksize+1)*blocksize, used);

		/*

		 * Now, read the data back.

		 */

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

		assertEqualIntA(a, ARCHIVE_OK,

		    archive_read_support_format_all(a));

		assertEqualIntA(a, ARCHIVE_OK,

		    archive_read_support_filter_all(a));

		assertEqualIntA(a, ARCHIVE_OK,

		    archive_read_open_memory(a, buff, used));

		assertEqualIntA(a, ARCHIVE_OK,

		    archive_read_next_header(a, &ae);;

		assertEqualInt(1, archive_entry_mtime(ae));

		assertEqualInt(10, archive_entry_mtime_nsec(ae));

		assertEqualInt(0, archive_entry_atime(ae));

		assertEqualInt(0, archive_entry_ctime(ae));

		assertEqualString("file", archive_entry_pathname(ae));

		assertEqualInt(AE_IFREG, archive_entry_filetype(ae));

		assertEqualInt(AE_IFREG | 0755, archive_entry_mode(ae));

		assertEqualInt(0x81000, archive_entry_size(ae));

		/* Verify sparse information. */

		assertEqualInt(2, archive_entry_sparse_reset(ae));

		assertEqualInt(0,

			archive_entry_sparse_next(ae, &offset, &length));

		assertEqualInt(0x10000, offset);

		assertEqualInt(0x1000, length);

		assertEqualInt(0,

			archive_entry_sparse_next(ae, &offset, &length));

		assertEqualInt(0x80000, offset);

		assertEqualInt(0x1000, length);

		/* Verify file contents. */

		memset(buff3, 0, sizeof(buff3));

		for (i = 0; i < 0x10000; i += 1024) {

			assertEqualInt(1024, archive_read_data(a, buff2, 1024));

			failure("Read data(0x%lx - 0x%lx) should be all zero",

			    i, i + 1024);

			assertEqualMem(buff2, buff3, 1024);

		}

		memset(buff3, 'a', sizeof(buff3));

		for (i = 0x10000; i < 0x11000; i += 1024) {

			assertEqualInt(1024, archive_read_data(a, buff2, 1024));

			failure("Read data(0x%lx - 0x%lx) should be all 'a'",

			    i, i + 1024);

			assertEqualMem(buff2, buff3, 1024);

		}

		memset(buff3, 0, sizeof(buff3));

		for (i = 0x11000; i < 0x80000; i += 1024) {

			assertEqualInt(1024, archive_read_data(a, buff2, 1024));

			failure("Read data(0x%lx - 0x%lx) should be all zero",

			    i, i + 1024);

			assertEqualMem(buff2, buff3, 1024);

		}

		memset(buff3, 'a', sizeof(buff3));

		for (i = 0x80000; i < 0x81000; i += 1024) {

			assertEqualInt(1024, archive_read_data(a, buff2, 1024));

			failure("Read data(0x%lx - 0x%lx) should be all 'a'",

			    i, i + 1024);

			assertEqualMem(buff2, buff3, 1024);

		}

		/* Verify the end of the archive. */

		assertEqualIntA(a, ARCHIVE_EOF,

		    archive_read_next_header(a, &ae);;

		assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));

		assertEqualInt(ARCHIVE_OK, archive_read_free(a));

	}

	free(buff2);

}

/*

 * Test for the case the full bytes of sparse file data is not written.

 */

static void

test_2(void)

{

	struct archive_entry *ae;

	struct archive *a;

	size_t used;

	size_t blocksize = 20 * 512;

	int64_t offset, length;

	char *buff2;

	size_t buff2_size = 0x11000;

	char buff3[1024];

	long i;

	assert((buff2 = malloc(buff2_size)) != NULL);

	/* Create a new archive in memory. */

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

	assertEqualIntA(a, ARCHIVE_OK,

	    archive_write_set_format_pax(a));

	assertEqualIntA(a, ARCHIVE_OK,

	    archive_write_add_filter_none(a));

	assertEqualIntA(a, ARCHIVE_OK,

	    archive_write_set_bytes_per_block(a, (int)blocksize));

	assertEqualIntA(a, ARCHIVE_OK,

	    archive_write_set_bytes_in_last_block(a, (int)blocksize));

	assertEqualInt(blocksize,

	    archive_write_get_bytes_in_last_block(a));

	assertEqualIntA(a, ARCHIVE_OK,

	    archive_write_open_memory(a, buff, sizeof(buff), &used));

	assertEqualInt(blocksize,

	    archive_write_get_bytes_in_last_block(a));

	/*

	 * Write a file to it.

	 */

	assert((ae = archive_entry_new()) != NULL);

	archive_entry_set_mtime(ae, 1, 10);

	assertEqualInt(1, archive_entry_mtime(ae));

	assertEqualInt(10, archive_entry_mtime_nsec(ae));

	archive_entry_copy_pathname(ae, "file");

	assertEqualString("file", archive_entry_pathname(ae));

	archive_entry_set_mode(ae, S_IFREG | 0755);

	assertEqualInt(S_IFREG | 0755, archive_entry_mode(ae));

	archive_entry_set_size(ae, 0x81000);

	archive_entry_sparse_add_entry(ae, 0x10000, 0x1000);

	archive_entry_sparse_add_entry(ae, 0x80000, 0x1000);

	assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae));

	archive_entry_free(ae);

	memset(buff2, 'a', buff2_size);

	/* Write bytes less than it should be. */

	assertEqualInt(buff2_size, archive_write_data(a, buff2, buff2_size));

	/* Close out the archive. */

	assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));

	assertEqualInt(ARCHIVE_OK, archive_write_free(a));

	/* This calculation gives "the smallest multiple of

	 * the block size that is at least 11264 bytes". */

	failure("blocksize=%d", blocksize);

	assertEqualInt(((11264 - 1)/blocksize+1)*blocksize, used);

	/*

	 * Now, read the data back.

	 */

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

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

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

	assertEqualIntA(a, ARCHIVE_OK, archive_read_open_memory(a, buff, used));

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

	assertEqualInt(1, archive_entry_mtime(ae));

	assertEqualInt(10, archive_entry_mtime_nsec(ae));

	assertEqualInt(0, archive_entry_atime(ae));

	assertEqualInt(0, archive_entry_ctime(ae));

	assertEqualString("file", archive_entry_pathname(ae));

	assertEqualInt(AE_IFREG, archive_entry_filetype(ae));

	assertEqualInt(AE_IFREG | 0755, archive_entry_mode(ae));

	assertEqualInt(0x81000, archive_entry_size(ae));

	/* Verify sparse information. */

	assertEqualInt(2, archive_entry_sparse_reset(ae));

	assertEqualInt(0, archive_entry_sparse_next(ae, &offset, &length));

	assertEqualInt(0x10000, offset);

	assertEqualInt(0x1000, length);

	assertEqualInt(0, archive_entry_sparse_next(ae, &offset, &length));

	assertEqualInt(0x80000, offset);

	assertEqualInt(0x1000, length);

	/* Verify file contents. */

	memset(buff3, 0, sizeof(buff3));

	for (i = 0; i < 0x10000; i += 1024) {

		assertEqualInt(1024, archive_read_data(a, buff2, 1024));

		failure("Read data(0x%lx - 0x%lx) should be all zero",

		    i, i + 1024);

		assertEqualMem(buff2, buff3, 1024);

	}

	memset(buff3, 'a', sizeof(buff3));

	for (i = 0x10000; i < 0x11000; i += 1024) {

		assertEqualInt(1024, archive_read_data(a, buff2, 1024));

		failure("Read data(0x%lx - 0x%lx) should be all 'a'",

		    i, i + 1024);

		assertEqualMem(buff2, buff3, 1024);

	}

	memset(buff3, 0, sizeof(buff3));

	for (i = 0x11000; i < 0x80000; i += 1024) {

		assertEqualInt(1024, archive_read_data(a, buff2, 1024));

		failure("Read data(0x%lx - 0x%lx) should be all zero",

		    i, i + 1024);

		assertEqualMem(buff2, buff3, 1024);

	}

	memset(buff3, 0, sizeof(buff3));

	for (i = 0x80000; i < 0x81000; i += 1024) {

		assertEqualInt(1024, archive_read_data(a, buff2, 1024));

		failure("Read data(0x%lx - 0x%lx) should be all 'a'",

		    i, i + 1024);

		assertEqualMem(buff2, buff3, 1024);

	}

	/* Verify the end of the archive. */

	assertEqualIntA(a, ARCHIVE_EOF,

	    archive_read_next_header(a, &ae);;

	assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));

	assertEqualInt(ARCHIVE_OK, archive_read_free(a));

	free(buff2);

}

DEFINE_TEST(test_write_format_tar_sparse)

{

	/* Test1: archiving sparse files. */

	test_1();

	/* Test2: incompletely archiving sparse files. */

	test_2();

}