| /*- |
| * Copyright (c) 2016 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"); |
| |
| #include <locale.h> |
| |
| |
| /* |
| * Github Issue 748 reported problems with end-of-entry handling |
| * with highly-compressible data. This resulted in the end of the |
| * data being truncated (extracted as zero bytes). |
| */ |
| |
| /* |
| * Extract the specific test archive that was used to diagnose |
| * Issue 748: |
| */ |
| DEFINE_TEST(test_read_format_zip_high_compression) |
| { |
| const char *refname = "test_read_format_zip_high_compression.zip"; |
| char *p; |
| size_t archive_size; |
| struct archive *a; |
| struct archive_entry *entry; |
| |
| const void *pv; |
| size_t s; |
| int64_t o; |
| |
| if (archive_zlib_version() == NULL) { |
| skipping("Zip compression test requires zlib"); |
| return; |
| } |
| |
| extract_reference_file(refname); |
| p = slurpfile(&archive_size, refname); |
| |
| assert((a = archive_read_new()) != NULL); |
| assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_zip(a)); |
| assertEqualIntA(a, ARCHIVE_OK, read_open_memory_seek(a, p, archive_size, 16 * 1024)); |
| assertEqualInt(ARCHIVE_OK, archive_read_next_header(a, &entry)); |
| |
| assertEqualInt(ARCHIVE_OK, archive_read_data_block(a, &pv, &s, &o)); |
| assertEqualInt(262144, s); |
| assertEqualInt(0, o); |
| |
| assertEqualInt(ARCHIVE_OK, archive_read_data_block(a, &pv, &s, &o)); |
| assertEqualInt(160, s); |
| assertEqualInt(262144, o); |
| |
| assertEqualInt(ARCHIVE_EOF, archive_read_data_block(a, &pv, &s, &o)); |
| |
| assertEqualInt(ARCHIVE_OK, archive_free(a)); |
| free(p); |
| } |
| |
| /* |
| * Synthesize a lot of varying inputs that are highly compressible. |
| */ |
| DEFINE_TEST(test_read_format_zip_high_compression2) |
| { |
| const size_t body_size = 1024 * 1024; |
| const size_t buff_size = 2 * 1024 * 1024; |
| char *body, *body_read, *buff; |
| int n; |
| |
| if (archive_zlib_version() == NULL) { |
| skipping("Zip compression test requires zlib"); |
| return; |
| } |
| |
| assert((body = malloc(body_size)) != NULL); |
| assert((body_read = malloc(body_size)) != NULL); |
| assert((buff = malloc(buff_size)) != NULL); |
| |
| /* Highly-compressible data: all bytes 255, except for a |
| * single 1 byte. |
| * The body is always 256k + 6 bytes long (the internal deflation |
| * buffer is exactly 256k). |
| */ |
| |
| for(n = 1024; n < (int)body_size; n += 1024) { |
| struct archive *a; |
| struct archive_entry *entry; |
| size_t used = 0; |
| const void *pv; |
| size_t s; |
| int64_t o; |
| |
| memset(body, 255, body_size); |
| body[n] = 1; |
| |
| /* Write an archive with a single entry of n bytes. */ |
| assert((a = archive_write_new()) != NULL); |
| assertEqualInt(ARCHIVE_OK, archive_write_set_format_zip(a)); |
| assertEqualInt(ARCHIVE_OK, archive_write_open_memory(a, buff, buff_size, &used)); |
| |
| entry = archive_entry_new2(a); |
| archive_entry_set_pathname(entry, "test"); |
| archive_entry_set_filetype(entry, AE_IFREG); |
| archive_entry_set_size(entry, 262150); |
| assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry)); |
| archive_entry_free(entry); |
| assertEqualInt(262150, archive_write_data(a, body, 262150)); |
| assertEqualInt(ARCHIVE_OK, archive_write_free(a)); |
| |
| /* Read back the entry and verify the contents. */ |
| assert((a = archive_read_new()) != NULL); |
| assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a)); |
| assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a)); |
| assertEqualIntA(a, ARCHIVE_OK, read_open_memory(a, buff, used, 17)); |
| assertEqualInt(ARCHIVE_OK, archive_read_next_header(a, &entry)); |
| |
| assertEqualInt(ARCHIVE_OK, archive_read_data_block(a, &pv, &s, &o)); |
| assertEqualInt(262144, s); |
| assertEqualInt(0, o); |
| |
| assertEqualInt(ARCHIVE_OK, archive_read_data_block(a, &pv, &s, &o)); |
| assertEqualInt(6, s); |
| assertEqualInt(262144, o); |
| |
| assertEqualInt(ARCHIVE_EOF, archive_read_data_block(a, &pv, &s, &o)); |
| |
| assertEqualInt(ARCHIVE_OK, archive_free(a)); |
| } |
| |
| free(body); |
| free(body_read); |
| free(buff); |
| } |