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| Current File : //usr/src/contrib/libarchive/libarchive/test/test_write_format_zip_no_compression.c |
/*-
* Copyright (c) 2008 Anselm Strauss
* 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.
*/
/*
* Development supported by Google Summer of Code 2008.
*/
#include "test.h"
__FBSDID("$FreeBSD: release/9.1.0/contrib/libarchive/libarchive/test/test_write_format_zip_no_compression.c 229592 2012-01-05 12:06:54Z mm $");
static unsigned long
bitcrc32(unsigned long c, void *_p, size_t s)
{
/* This is a drop-in replacement for crc32() from zlib.
* Libarchive should be able to correctly generate
* uncompressed zip archives (including correct CRCs) even
* when zlib is unavailable, and this function helps us verify
* that. Yes, this is very, very slow and unsuitable for
* production use, but it's correct, compact, and works well
* enough for this particular usage. Libarchive internally
* uses a much more efficient implementation. */
const unsigned char *p = _p;
int bitctr;
if (p == NULL)
return (0);
for (; s > 0; --s) {
c ^= *p++;
for (bitctr = 8; bitctr > 0; --bitctr) {
if (c & 1) c = (c >> 1);
else c = (c >> 1) ^ 0xedb88320;
c ^= 0x80000000;
}
}
return (c);
}
/* Quick and dirty: Read 2-byte and 4-byte integers from Zip file. */
static int i2(const char *p) { return ((p[0] & 0xff) | ((p[1] & 0xff) << 8)); }
static int i4(const char *p) { return (i2(p) | (i2(p + 2) << 16)); }
DEFINE_TEST(test_write_format_zip_no_compression)
{
/* Buffer data */
struct archive *a;
struct archive_entry *entry;
char buff[100000];
const char *buffend;
/* p is the pointer to walk over the central directory,
* q walks over the local headers, the data and the data descriptors. */
const char *p, *q;
size_t used;
/* File data */
char file_name[] = "file";
char file_data1[] = {'1', '2', '3', '4', '5'};
char file_data2[] = {'6', '7', '8', '9', '0'};
int file_perm = 00644;
short file_uid = 10;
short file_gid = 20;
/* Folder data */
char folder_name[] = "folder/";
int folder_perm = 00755;
short folder_uid = 30;
short folder_gid = 40;
/* Time data */
time_t t = time(NULL);
struct tm *tm = localtime(&t);
/* Misc variables */
unsigned long crc;
/* Create new ZIP archive in memory without padding. */
assert((a = archive_write_new()) != NULL);
assertA(0 == archive_write_set_format_zip(a));
assertA(0 == archive_write_set_format_options(a, "zip:compression=store"));
assertA(0 == archive_write_set_compression_none(a));
assertA(0 == archive_write_set_bytes_per_block(a, 1));
assertA(0 == archive_write_set_bytes_in_last_block(a, 1));
assertA(0 == archive_write_open_memory(a, buff, sizeof(buff), &used));
/* Write entries. */
/* Regular file */
assert((entry = archive_entry_new()) != NULL);
archive_entry_set_pathname(entry, file_name);
archive_entry_set_mode(entry, S_IFREG | 0644);
archive_entry_set_size(entry, sizeof(file_data1) + sizeof(file_data2));
archive_entry_set_uid(entry, file_uid);
archive_entry_set_gid(entry, file_gid);
archive_entry_set_mtime(entry, t, 0);
archive_entry_set_atime(entry, t, 0);
archive_entry_set_ctime(entry, t, 0);
assertEqualIntA(a, 0, archive_write_header(a, entry));
assertEqualIntA(a, sizeof(file_data1), archive_write_data(a, file_data1, sizeof(file_data1)));
assertEqualIntA(a, sizeof(file_data2), archive_write_data(a, file_data2, sizeof(file_data2)));
archive_entry_free(entry);
/* Folder */
assert((entry = archive_entry_new()) != NULL);
archive_entry_set_pathname(entry, folder_name);
archive_entry_set_mode(entry, S_IFDIR | folder_perm);
archive_entry_set_size(entry, 0);
archive_entry_set_uid(entry, folder_uid);
archive_entry_set_gid(entry, folder_gid);
archive_entry_set_mtime(entry, t, 0);
archive_entry_set_atime(entry, t, 0);
archive_entry_set_ctime(entry, t, 0);
assertEqualIntA(a, 0, archive_write_header(a, entry));
archive_entry_free(entry);
/* Close the archive . */
assertA(0 == archive_write_close(a));
assertA(0 == archive_write_finish(a));
/* Remember the end of the archive in memory. */
buffend = buff + used;
/* Verify "End of Central Directory" record. */
/* Get address of end-of-central-directory record. */
p = buffend - 22; /* Assumes there is no zip comment field. */
failure("End-of-central-directory begins with PK\\005\\006 signature");
assertEqualMem(p, "PK\005\006", 4);
failure("This must be disk 0");
assertEqualInt(i2(p + 4), 0);
failure("Central dir must start on disk 0");
assertEqualInt(i2(p + 6), 0);
failure("All central dir entries are on this disk");
assertEqualInt(i2(p + 8), i2(p + 10));
failure("CD start (%d) + CD length (%d) should == archive size - 22",
i4(p + 12), i4(p + 16));
assertEqualInt(i4(p + 12) + i4(p + 16), used - 22);
failure("no zip comment");
assertEqualInt(i2(p + 20), 0);
/* Get address of first entry in central directory. */
p = buff + i4(buffend - 6);
failure("Central file record at offset %d should begin with"
" PK\\001\\002 signature",
i4(buffend - 10));
/* Verify file entry in central directory. */
assertEqualMem(p, "PK\001\002", 4); /* Signature */
assertEqualInt(i2(p + 4), 3 * 256 + 20); /* Version made by */
assertEqualInt(i2(p + 6), 20); /* Version needed to extract */
assertEqualInt(i2(p + 8), 8); /* Flags */
assertEqualInt(i2(p + 10), 0); /* Compression method */
assertEqualInt(i2(p + 12), (tm->tm_hour * 2048) + (tm->tm_min * 32) + (tm->tm_sec / 2)); /* File time */
assertEqualInt(i2(p + 14), ((tm->tm_year - 80) * 512) + ((tm->tm_mon + 1) * 32) + tm->tm_mday); /* File date */
crc = bitcrc32(0, file_data1, sizeof(file_data1));
crc = bitcrc32(crc, file_data2, sizeof(file_data2));
assertEqualInt(i4(p + 16), crc); /* CRC-32 */
assertEqualInt(i4(p + 20), sizeof(file_data1) + sizeof(file_data2)); /* Compressed size */
assertEqualInt(i4(p + 24), sizeof(file_data1) + sizeof(file_data2)); /* Uncompressed size */
assertEqualInt(i2(p + 28), strlen(file_name)); /* Pathname length */
assertEqualInt(i2(p + 30), 13); /* Extra field length */
assertEqualInt(i2(p + 32), 0); /* File comment length */
assertEqualInt(i2(p + 34), 0); /* Disk number start */
assertEqualInt(i2(p + 36), 0); /* Internal file attrs */
assertEqualInt(i4(p + 38) >> 16 & 01777, file_perm); /* External file attrs */
assertEqualInt(i4(p + 42), 0); /* Offset of local header */
assertEqualMem(p + 46, file_name, strlen(file_name)); /* Pathname */
p = p + 46 + strlen(file_name);
assertEqualInt(i2(p), 0x5455); /* 'UT' extension header */
assertEqualInt(i2(p + 2), 5); /* 'UT' size */
assertEqualInt(p[4], 7); /* 'UT' flags */
assertEqualInt(i4(p + 5), t); /* 'UT' mtime */
p = p + 9;
assertEqualInt(i2(p), 0x7855); /* 'Ux' extension header */
assertEqualInt(i2(p + 2), 0); /* 'Ux' size */
p = p + 4;
/* Verify local header of file entry. */
q = buff;
assertEqualMem(q, "PK\003\004", 4); /* Signature */
assertEqualInt(i2(q + 4), 20); /* Version needed to extract */
assertEqualInt(i2(q + 6), 8); /* Flags */
assertEqualInt(i2(q + 8), 0); /* Compression method */
assertEqualInt(i2(q + 10), (tm->tm_hour * 2048) + (tm->tm_min * 32) + (tm->tm_sec / 2)); /* File time */
assertEqualInt(i2(q + 12), ((tm->tm_year - 80) * 512) + ((tm->tm_mon + 1) * 32) + tm->tm_mday); /* File date */
assertEqualInt(i4(q + 14), 0); /* CRC-32 */
assertEqualInt(i4(q + 18), sizeof(file_data1) + sizeof(file_data2)); /* Compressed size */
assertEqualInt(i4(q + 22), sizeof(file_data1) + sizeof(file_data2)); /* Uncompressed size */
assertEqualInt(i2(q + 26), strlen(file_name)); /* Pathname length */
assertEqualInt(i2(q + 28), 25); /* Extra field length */
assertEqualMem(q + 30, file_name, strlen(file_name)); /* Pathname */
q = q + 30 + strlen(file_name);
assertEqualInt(i2(q), 0x5455); /* 'UT' extension header */
assertEqualInt(i2(q + 2), 13); /* 'UT' size */
assertEqualInt(q[4], 7); /* 'UT' flags */
assertEqualInt(i4(q + 5), t); /* 'UT' mtime */
assertEqualInt(i4(q + 9), t); /* 'UT' atime */
assertEqualInt(i4(q + 13), t); /* 'UT' ctime */
q = q + 17;
assertEqualInt(i2(q), 0x7855); /* 'Ux' extension header */
assertEqualInt(i2(q + 2), 4); /* 'Ux' size */
assertEqualInt(i2(q + 4), file_uid); /* 'Ux' UID */
assertEqualInt(i2(q + 6), file_gid); /* 'Ux' GID */
q = q + 8;
/* Verify data of file entry. */
assertEqualMem(q, file_data1, sizeof(file_data1));
assertEqualMem(q + sizeof(file_data1), file_data2, sizeof(file_data2));
q = q + sizeof(file_data1) + sizeof(file_data2);
/* Verify data descriptor of file entry. */
assertEqualMem(q, "PK\007\010", 4); /* Signature */
assertEqualInt(i4(q + 4), crc); /* CRC-32 */
assertEqualInt(i4(q + 8), sizeof(file_data1) + sizeof(file_data2)); /* Compressed size */
assertEqualInt(i4(q + 12), sizeof(file_data1) + sizeof(file_data2)); /* Uncompressed size */
q = q + 16;
/* Verify folder entry in central directory. */
assertEqualMem(p, "PK\001\002", 4); /* Signature */
assertEqualInt(i2(p + 4), 3 * 256 + 20); /* Version made by */
assertEqualInt(i2(p + 6), 20); /* Version needed to extract */
assertEqualInt(i2(p + 8), 8); /* Flags */
assertEqualInt(i2(p + 10), 0); /* Compression method */
assertEqualInt(i2(p + 12), (tm->tm_hour * 2048) + (tm->tm_min * 32) + (tm->tm_sec / 2)); /* File time */
assertEqualInt(i2(p + 14), ((tm->tm_year - 80) * 512) + ((tm->tm_mon + 1) * 32) + tm->tm_mday); /* File date */
crc = 0;
assertEqualInt(i4(p + 16), crc); /* CRC-32 */
assertEqualInt(i4(p + 20), 0); /* Compressed size */
assertEqualInt(i4(p + 24), 0); /* Uncompressed size */
assertEqualInt(i2(p + 28), strlen(folder_name)); /* Pathname length */
assertEqualInt(i2(p + 30), 13); /* Extra field length */
assertEqualInt(i2(p + 32), 0); /* File comment length */
assertEqualInt(i2(p + 34), 0); /* Disk number start */
assertEqualInt(i2(p + 36), 0); /* Internal file attrs */
assertEqualInt(i4(p + 38) >> 16 & 01777, folder_perm); /* External file attrs */
assertEqualInt(i4(p + 42), q - buff); /* Offset of local header */
assertEqualMem(p + 46, folder_name, strlen(folder_name)); /* Pathname */
p = p + 46 + strlen(folder_name);
assertEqualInt(i2(p), 0x5455); /* 'UT' extension header */
assertEqualInt(i2(p + 2), 5); /* 'UT' size */
assertEqualInt(p[4], 7); /* 'UT' flags */
assertEqualInt(i4(p + 5), t); /* 'UT' mtime */
p = p + 9;
assertEqualInt(i2(p), 0x7855); /* 'Ux' extension header */
assertEqualInt(i2(p + 2), 0); /* 'Ux' size */
p = p + 4;
/* Verify local header of folder entry. */
assertEqualMem(q, "PK\003\004", 4); /* Signature */
assertEqualInt(i2(q + 4), 20); /* Version needed to extract */
assertEqualInt(i2(q + 6), 8); /* Flags */
assertEqualInt(i2(q + 8), 0); /* Compression method */
assertEqualInt(i2(q + 10), (tm->tm_hour * 2048) + (tm->tm_min * 32) + (tm->tm_sec / 2)); /* File time */
assertEqualInt(i2(q + 12), ((tm->tm_year - 80) * 512) + ((tm->tm_mon + 1) * 32) + tm->tm_mday); /* File date */
assertEqualInt(i4(q + 14), 0); /* CRC-32 */
assertEqualInt(i4(q + 18), 0); /* Compressed size */
assertEqualInt(i4(q + 22), 0); /* Uncompressed size */
assertEqualInt(i2(q + 26), strlen(folder_name)); /* Pathname length */
assertEqualInt(i2(q + 28), 25); /* Extra field length */
assertEqualMem(q + 30, folder_name, strlen(folder_name)); /* Pathname */
q = q + 30 + strlen(folder_name);
assertEqualInt(i2(q), 0x5455); /* 'UT' extension header */
assertEqualInt(i2(q + 2), 13); /* 'UT' size */
assertEqualInt(q[4], 7); /* 'UT' flags */
assertEqualInt(i4(q + 5), t); /* 'UT' mtime */
assertEqualInt(i4(q + 9), t); /* 'UT' atime */
assertEqualInt(i4(q + 13), t); /* 'UT' ctime */
q = q + 17;
assertEqualInt(i2(q), 0x7855); /* 'Ux' extension header */
assertEqualInt(i2(q + 2), 4); /* 'Ux' size */
assertEqualInt(i2(q + 4), folder_uid); /* 'Ux' UID */
assertEqualInt(i2(q + 6), folder_gid); /* 'Ux' GID */
q = q + 8;
/* There should not be any data in the folder entry,
* meaning next is the data descriptor header. */
/* Verify data descriptor of folder entry. */
assertEqualMem(q, "PK\007\010", 4); /* Signature */
assertEqualInt(i4(q + 4), crc); /* CRC-32 */
assertEqualInt(i4(q + 8), 0); /* Compressed size */
assertEqualInt(i4(q + 12), 0); /* Uncompressed size */
q = q + 16;
}