| /*- |
| * 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: head/lib/libarchive/test/test_write_format_zip_no_compression.c 201247 2009-12-30 05:59:21Z kientzle $"); |
| |
| /* File data */ |
| static const char file_name[] = "file"; |
| static const char file_data1[] = {'1', '2', '3', '4', '5'}; |
| static const char file_data2[] = {'6', '7', '8', '9', '0'}; |
| static const int file_perm = 00644; |
| static const short file_uid = 10; |
| static const short file_gid = 20; |
| |
| /* Folder data */ |
| static const char folder_name[] = "folder/"; |
| static const int folder_perm = 00755; |
| static const short folder_uid = 30; |
| static const short folder_gid = 40; |
| |
| static time_t now; |
| |
| static unsigned long |
| bitcrc32(unsigned long c, const 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); |
| } |
| |
| static void verify_write_uncompressed(struct archive *a) |
| { |
| struct archive_entry *entry; |
| |
| /* 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, now, 0); |
| archive_entry_set_atime(entry, now + 3, 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, now, 0); |
| archive_entry_set_ctime(entry, now + 5, 0); |
| assertEqualIntA(a, 0, archive_write_header(a, entry)); |
| archive_entry_free(entry); |
| } |
| |
| /* 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)); } |
| |
| static void verify_uncompressed_contents(const char *buff, size_t used) |
| { |
| const char *buffend; |
| |
| /* Misc variables */ |
| unsigned long crc; |
| struct tm *tm = localtime(&now); |
| |
| /* 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, *local_header, *extra_start; |
| |
| /* 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 + 10); /* Version made by */ |
| assertEqualInt(i2(p + 6), 10); /* 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), 28); /* 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), 9); /* 'UT' size */ |
| assertEqualInt(p[4], 3); /* 'UT' flags */ |
| assertEqualInt(i4(p + 5), now); /* 'UT' mtime */ |
| assertEqualInt(i4(p + 9), now + 3); /* 'UT' atime */ |
| p = p + 4 + i2(p + 2); |
| assertEqualInt(i2(p), 0x7875); /* 'ux' extension header */ |
| assertEqualInt(i2(p + 2), 11); /* 'ux' size */ |
| /* TODO */ |
| p = p + 4 + i2(p + 2); |
| |
| /* Verify local header of file entry. */ |
| local_header = q = buff; |
| assertEqualMem(q, "PK\003\004", 4); /* Signature */ |
| assertEqualInt(i2(q + 4), 10); /* 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), 41); /* Extra field length */ |
| assertEqualMem(q + 30, file_name, strlen(file_name)); /* Pathname */ |
| extra_start = q = q + 30 + strlen(file_name); |
| assertEqualInt(i2(q), 0x5455); /* 'UT' extension header */ |
| assertEqualInt(i2(q + 2), 9); /* 'UT' size */ |
| assertEqualInt(q[4], 3); /* 'UT' flags */ |
| assertEqualInt(i4(q + 5), now); /* 'UT' mtime */ |
| assertEqualInt(i4(q + 9), now + 3); /* 'UT' atime */ |
| q = q + 4 + i2(q + 2); |
| |
| assertEqualInt(i2(q), 0x7875); /* 'ux' extension header */ |
| assertEqualInt(i2(q + 2), 11); /* 'ux' size */ |
| assertEqualInt(q[4], 1); /* 'ux' version */ |
| assertEqualInt(q[5], 4); /* 'ux' uid size */ |
| assertEqualInt(i4(q + 6), file_uid); /* 'Ux' UID */ |
| assertEqualInt(q[10], 4); /* 'ux' gid size */ |
| assertEqualInt(i4(q + 11), file_gid); /* 'Ux' GID */ |
| q = q + 4 + i2(q + 2); |
| |
| assertEqualInt(i2(q), 0x6c78); /* 'xl' experimental extension header */ |
| assertEqualInt(i2(q + 2), 9); /* size */ |
| assertEqualInt(q[4], 7); /* Bitmap of fields included. */ |
| assertEqualInt(i2(q + 5) >> 8, 3); /* system & version made by */ |
| assertEqualInt(i2(q + 7), 0); /* internal file attributes */ |
| assertEqualInt(i4(q + 9) >> 16 & 01777, file_perm); /* external file attributes */ |
| q = q + 4 + i2(q + 2); |
| |
| assert(q == extra_start + i2(local_header + 28)); |
| q = extra_start + i2(local_header + 28); |
| |
| /* 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), 0); /* 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), 28); /* 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), 9); /* 'UT' size */ |
| assertEqualInt(p[4], 5); /* 'UT' flags */ |
| assertEqualInt(i4(p + 5), now); /* 'UT' mtime */ |
| assertEqualInt(i4(p + 9), now + 5); /* 'UT' atime */ |
| p = p + 4 + i2(p + 2); |
| assertEqualInt(i2(p), 0x7875); /* 'ux' extension header */ |
| assertEqualInt(i2(p + 2), 11); /* 'ux' size */ |
| assertEqualInt(p[4], 1); /* 'ux' version */ |
| assertEqualInt(p[5], 4); /* 'ux' uid size */ |
| assertEqualInt(i4(p + 6), folder_uid); /* 'ux' UID */ |
| assertEqualInt(p[10], 4); /* 'ux' gid size */ |
| assertEqualInt(i4(p + 11), folder_gid); /* 'ux' GID */ |
| /*p = p + 4 + i2(p + 2);*/ |
| |
| /* Verify local header of folder entry. */ |
| local_header = q; |
| assertEqualMem(q, "PK\003\004", 4); /* Signature */ |
| assertEqualInt(i2(q + 4), 20); /* Version needed to extract */ |
| assertEqualInt(i2(q + 6), 0); /* 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), 41); /* Extra field length */ |
| assertEqualMem(q + 30, folder_name, strlen(folder_name)); /* Pathname */ |
| extra_start = q = q + 30 + strlen(folder_name); |
| assertEqualInt(i2(q), 0x5455); /* 'UT' extension header */ |
| assertEqualInt(i2(q + 2), 9); /* 'UT' size */ |
| assertEqualInt(q[4], 5); /* 'UT' flags */ |
| assertEqualInt(i4(q + 5), now); /* 'UT' mtime */ |
| assertEqualInt(i4(q + 9), now + 5); /* 'UT' atime */ |
| q = q + 4 + i2(q + 2); |
| assertEqualInt(i2(q), 0x7875); /* 'ux' extension header */ |
| assertEqualInt(i2(q + 2), 11); /* 'ux' size */ |
| assertEqualInt(q[4], 1); /* 'ux' version */ |
| assertEqualInt(q[5], 4); /* 'ux' uid size */ |
| assertEqualInt(i4(q + 6), folder_uid); /* 'ux' UID */ |
| assertEqualInt(q[10], 4); /* 'ux' gid size */ |
| assertEqualInt(i4(q + 11), folder_gid); /* 'ux' GID */ |
| q = q + 4 + i2(q + 2); |
| |
| assertEqualInt(i2(q), 0x6c78); /* 'xl' experimental extension header */ |
| assertEqualInt(i2(q + 2), 9); /* size */ |
| assertEqualInt(q[4], 7); /* bitmap of fields */ |
| assertEqualInt(i2(q + 5) >> 8, 3); /* system & version made by */ |
| assertEqualInt(i2(q + 7), 0); /* internal file attributes */ |
| assertEqualInt(i4(q + 9) >> 16 & 01777, folder_perm); /* external file attributes */ |
| q = q + 4 + i2(q + 2); |
| |
| assert(q == extra_start + i2(local_header + 28)); |
| q = extra_start + i2(local_header + 28); |
| |
| /* There should not be any data in the folder entry, |
| * so the first central directory entry should be next: */ |
| assertEqualMem(q, "PK\001\002", 4); /* Signature */ |
| } |
| |
| DEFINE_TEST(test_write_format_zip_compression_store) |
| { |
| /* Buffer data */ |
| struct archive *a; |
| char buff[100000]; |
| size_t used; |
| |
| /* Time data */ |
| now = time(NULL); |
| |
| /* Create new ZIP archive in memory without padding. */ |
| /* Use compression=store to disable compression. */ |
| assert((a = archive_write_new()) != NULL); |
| assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_zip(a)); |
| assertEqualIntA(a, ARCHIVE_OK, |
| archive_write_set_options(a, "zip:compression=store")); |
| assertEqualIntA(a, ARCHIVE_OK, |
| archive_write_set_options(a, "zip:experimental")); |
| assertEqualIntA(a, ARCHIVE_OK, archive_write_add_filter_none(a)); |
| assertEqualIntA(a, ARCHIVE_OK, archive_write_set_bytes_per_block(a, 1)); |
| assertEqualIntA(a, ARCHIVE_OK, archive_write_set_bytes_in_last_block(a, 1)); |
| assertEqualIntA(a, ARCHIVE_OK, archive_write_open_memory(a, buff, sizeof(buff), &used)); |
| |
| verify_write_uncompressed(a); |
| |
| /* Close the archive . */ |
| assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a)); |
| assertEqualInt(ARCHIVE_OK, archive_write_free(a)); |
| dumpfile("constructed.zip", buff, used); |
| |
| verify_uncompressed_contents(buff, used); |
| |
| /* Create new ZIP archive in memory without padding. */ |
| /* Use compression-level=0 to disable compression. */ |
| assert((a = archive_write_new()) != NULL); |
| assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_zip(a)); |
| assertEqualIntA(a, ARCHIVE_OK, |
| archive_write_set_options(a, "zip:compression-level=0")); |
| assertEqualIntA(a, ARCHIVE_OK, |
| archive_write_set_options(a, "zip:experimental")); |
| assertEqualIntA(a, ARCHIVE_OK, archive_write_add_filter_none(a)); |
| assertEqualIntA(a, ARCHIVE_OK, archive_write_set_bytes_per_block(a, 1)); |
| assertEqualIntA(a, ARCHIVE_OK, archive_write_set_bytes_in_last_block(a, 1)); |
| assertEqualIntA(a, ARCHIVE_OK, archive_write_open_memory(a, buff, sizeof(buff), &used)); |
| |
| verify_write_uncompressed(a); |
| |
| /* Close the archive . */ |
| assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a)); |
| assertEqualInt(ARCHIVE_OK, archive_write_free(a)); |
| dumpfile("constructed.zip", buff, used); |
| |
| verify_uncompressed_contents(buff, used); |
| |
| } |