--- /dev/null
+/*-
+ * Copyright (c) 2012 Matthias Brantner
+ * 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"
+
+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_zip_set_compression_store)
+{
+ /* 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_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);
+ archive_write_zip_set_compression_store(a);
+ 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);
+ archive_write_finish_entry(a);
+
+ /* 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);
+ archive_write_zip_set_compression_store(a);
+ assertEqualIntA(a, 0, archive_write_header(a, entry));
+ archive_entry_free(entry);
+ archive_write_finish_entry(a);
+
+ /* Close the archive . */
+ assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));
+ assertEqualInt(ARCHIVE_OK, archive_write_free(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), 0x7875); /* '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), 32); /* 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), 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 + 15;
+
+ /* 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), 0x7875); /* '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), 32); /* 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), 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 + 15;
+
+ /* 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;*/
+}
projects / thirdparty / libarchive.git / commitdiff
