/*- * 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 $"); 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; }