From: Tim Kientzle Date: Sun, 24 Jul 2016 05:11:46 +0000 (-0700) Subject: Issue 748: Regression test X-Git-Tag: v3.2.2~35^2~2 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=81d82d50e9f69c23daf91c94f3d54adc114a5721;p=thirdparty%2Flibarchive.git Issue 748: Regression test --- diff --git a/libarchive/test/CMakeLists.txt b/libarchive/test/CMakeLists.txt index 124aa3a8b..06913b6ff 100644 --- a/libarchive/test/CMakeLists.txt +++ b/libarchive/test/CMakeLists.txt @@ -6,7 +6,7 @@ IF(ENABLE_TEST) SET(libarchive_test_SOURCES ../../test_utils/test_utils.c - main.c + main.c read_open_memory.c test.h test_acl_freebsd_nfs4.c @@ -164,6 +164,7 @@ IF(ENABLE_TEST) test_read_format_zip_encryption_header.c test_read_format_zip_encryption_partially.c test_read_format_zip_filename.c + test_read_format_zip_high_compression.c test_read_format_zip_mac_metadata.c test_read_format_zip_malformed.c test_read_format_zip_msdos.c diff --git a/libarchive/test/test_read_format_zip_high_compression.c b/libarchive/test/test_read_format_zip_high_compression.c new file mode 100644 index 000000000..79c923a90 --- /dev/null +++ b/libarchive/test/test_read_format_zip_high_compression.c @@ -0,0 +1,142 @@ +/*- + * 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 + + +/* + * 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; + + 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; + + 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(int 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); +} diff --git a/libarchive/test/test_read_format_zip_high_compression.zip.uu b/libarchive/test/test_read_format_zip_high_compression.zip.uu new file mode 100644 index 000000000..094288033 --- /dev/null +++ b/libarchive/test/test_read_format_zip_high_compression.zip.uu @@ -0,0 +1,18 @@ +begin 644 test_read_format_zip_high_compression.zip +M4$L#!!0`"``(`*=Y]4@``````````*``!``(`"``8VAA +MD5>>))%7GB215W5X"P`!!/8!```$%````.W=06K#,!`%T&E)P8LL?*2XC@N% +M)#5QO>AM@9WDJ6!%\6$K/Q6T3LAX]N/GQ'Z9G&KA^*K1'S +M.`[GOIM*[TP_Q_>O0[G_:3X.Y\^^V/X2<>))%7=7@+``$$]@$```04````4$L%!@`````!``$`5@````L"```` +!```` +` +end