/*-

 * Copyright (c) 2003-2007 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: head/lib/libarchive/test/test_read_extract.c 201247 2009-12-30 05:59:21Z kientzle $");

#define BUFF_SIZE 1000000

#define FILE_BUFF_SIZE 100000

DEFINE_TEST(test_read_extract)

{

	struct archive_entry *ae;

	struct archive *a;

	size_t used;

	int i, numEntries = 0;

	char *buff, *file_buff;

	buff = malloc(BUFF_SIZE);

	file_buff = malloc(FILE_BUFF_SIZE);

	/* Force the umask to something predictable. */

	assertUmask(022);

	/* Create a new archive in memory containing various types of entries. */

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

	assertA(0 == archive_write_set_format_ustar(a));

	assertA(0 == archive_write_add_filter_none(a));

	assertA(0 == archive_write_open_memory(a, buff, BUFF_SIZE, &used));

	/* A directory to be restored with EXTRACT_PERM. */

	++numEntries;

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

	archive_entry_copy_pathname(ae, "dir_0775");

	archive_entry_set_mode(ae, S_IFDIR | 0775);

	assertA(0 == archive_write_header(a, ae));

	archive_entry_free(ae);

	/* A regular file. */

	++numEntries;

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

	archive_entry_copy_pathname(ae, "file");

	archive_entry_set_mode(ae, S_IFREG | 0755);

	for (i = 0; i < FILE_BUFF_SIZE; i++)

		file_buff[i] = (unsigned char)rand();

	archive_entry_set_size(ae, FILE_BUFF_SIZE);

	assertA(0 == archive_write_header(a, ae));

	assertA(FILE_BUFF_SIZE == archive_write_data(a, file_buff, FILE_BUFF_SIZE));

	archive_entry_free(ae);

	/* A directory that should obey umask when restored. */

	++numEntries;

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

	archive_entry_copy_pathname(ae, "dir");

	archive_entry_set_mode(ae, S_IFDIR | 0777);

	assertA(0 == archive_write_header(a, ae));

	archive_entry_free(ae);

	/* A file in the directory. */

	++numEntries;

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

	archive_entry_copy_pathname(ae, "dir/file");

	archive_entry_set_mode(ae, S_IFREG | 0700);

	assertA(0 == archive_write_header(a, ae));

	archive_entry_free(ae);

	/* A file in a dir that is not already in the archive. */

	++numEntries;

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

	archive_entry_copy_pathname(ae, "dir2/file");

	archive_entry_set_mode(ae, S_IFREG | 0000);

	assertA(0 == archive_write_header(a, ae));

	archive_entry_free(ae);

	/* A dir with a trailing /. */

	++numEntries;

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

	archive_entry_copy_pathname(ae, "dir3/.");

	archive_entry_set_mode(ae, S_IFDIR | 0710);

	assertA(0 == archive_write_header(a, ae));

	archive_entry_free(ae);

	/* Multiple dirs with a single entry. */

	++numEntries;

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

	archive_entry_copy_pathname(ae, "dir4/a/../b/../c/");

	archive_entry_set_mode(ae, S_IFDIR | 0711);

	assertA(0 == archive_write_header(a, ae));

	archive_entry_free(ae);

	/* A symlink. */

	if (canSymlink()) {

		++numEntries;

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

		archive_entry_copy_pathname(ae, "symlink");

		archive_entry_set_mode(ae, AE_IFLNK | 0755);

		archive_entry_set_symlink(ae, "file");

		assertA(0 == archive_write_header(a, ae));

		archive_entry_free(ae);

	}

	/* Close out the archive. */

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

	assertEqualInt(ARCHIVE_OK, archive_write_free(a));

	/* Extract the entries to disk. */

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

	assertA(0 == archive_read_support_format_all(a));

	assertA(0 == archive_read_support_filter_all(a));

	assertA(0 == archive_read_open_memory(a, buff, BUFF_SIZE));

	/* Restore first entry with _EXTRACT_PERM. */

	failure("Error reading first entry", i);

	assertA(0 == archive_read_next_header(a, &ae);;

	assertA(0 == archive_read_extract(a, ae, ARCHIVE_EXTRACT_PERM));

	/* Rest of entries get restored with no flags. */

	for (i = 1; i < numEntries; i++) {

		failure("Error reading entry %d", i);

		assertA(0 == archive_read_next_header(a, &ae);;

		failure("Failed to extract entry %d: %s", i,

			archive_entry_pathname(ae));

		assertA(0 == archive_read_extract(a, ae, 0));

	}

	assertA(ARCHIVE_EOF == archive_read_next_header(a, &ae);;

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

	assertEqualInt(ARCHIVE_OK, archive_read_free(a));

	/* Test the entries on disk. */

	/* This first entry was extracted with ARCHIVE_EXTRACT_PERM,

	 * so the permissions should have been restored exactly,

	 * including resetting the gid bit on those platforms

	 * where gid is inherited by subdirs. */

	failure("This was 0775 in archive, and should be 0775 on disk");

	assertIsDir("dir_0775", 0775);

	/* Everything else was extracted without ARCHIVE_EXTRACT_PERM,

	 * so there may be some sloppiness about gid bits on directories. */

	assertIsReg("file", 0755);

	assertFileSize("file", FILE_BUFF_SIZE);

	assertFileContents(file_buff, FILE_BUFF_SIZE, "file");

	/* If EXTRACT_PERM wasn't used, be careful to ignore sgid bit

	 * when checking dir modes, as some systems inherit sgid bit

	 * from the parent dir. */

	failure("This was 0777 in archive, but umask should make it 0755");

	assertIsDir("dir", 0755);

	assertIsReg("dir/file", 0700);

	assertIsDir("dir2", 0755);

	assertIsReg("dir2/file", 0000);

	assertIsDir("dir3", 0710);

	assertIsDir("dir4", 0755);

	assertIsDir("dir4/a", 0755);

	assertIsDir("dir4/b", 0755);

	assertIsDir("dir4/c", 0711);

	if (canSymlink())

		assertIsSymlink("symlink", "file");

	free(buff);

	free(file_buff);

}