mirror of https://git.tukaani.org/xz.git
390 lines
10 KiB
C
390 lines
10 KiB
C
// SPDX-License-Identifier: 0BSD
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
/// \file test_check.c
|
|
/// \brief Tests integrity checks
|
|
//
|
|
// Authors: Lasse Collin
|
|
// Jia Tan
|
|
//
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
#include "tests.h"
|
|
#include "mythread.h"
|
|
|
|
|
|
// These must be specified as numbers so that the test works on EBCDIC
|
|
// systems too.
|
|
// static const uint8_t test_string[9] = "123456789";
|
|
// static const uint8_t test_unaligned[12] = "xxx123456789";
|
|
static const uint8_t test_string[9] = { 49, 50, 51, 52, 53, 54, 55, 56, 57 };
|
|
static const uint8_t test_unaligned[12]
|
|
= { 120, 120, 120, 49, 50, 51, 52, 53, 54, 55, 56, 57 };
|
|
|
|
// 2 MB is more than enough for the tests. Actually a tiny value would
|
|
// work because we don't actually decompress the files, we only test
|
|
// decoding of the Stream Header fields.
|
|
#define TEST_CHECK_MEMLIMIT (2U << 20)
|
|
|
|
static size_t no_check_size;
|
|
static uint8_t *no_check_xz_data;
|
|
|
|
static size_t unsupported_check_size;
|
|
static uint8_t *unsupported_check_xz_data;
|
|
|
|
#ifdef HAVE_CHECK_CRC32
|
|
static size_t crc32_size;
|
|
static uint8_t *crc32_xz_data;
|
|
#endif
|
|
|
|
#ifdef HAVE_CHECK_CRC64
|
|
static size_t crc64_size;
|
|
static uint8_t *crc64_xz_data;
|
|
#endif
|
|
|
|
#ifdef HAVE_CHECK_SHA256
|
|
static size_t sha256_size;
|
|
static uint8_t *sha256_xz_data;
|
|
#endif
|
|
|
|
|
|
#ifdef HAVE_CHECK_CRC64
|
|
static const uint8_t *
|
|
get_random256(uint32_t *seed)
|
|
{
|
|
static uint8_t buf[256];
|
|
|
|
for (size_t i = 0; i < sizeof(buf); ++i) {
|
|
*seed = *seed * 1103515245 + 12345;
|
|
buf[i] = (uint8_t)(*seed >> 22);
|
|
}
|
|
|
|
return buf;
|
|
}
|
|
#endif
|
|
|
|
|
|
static void
|
|
test_lzma_crc32(void)
|
|
{
|
|
// CRC32 is always enabled.
|
|
assert_true(lzma_check_is_supported(LZMA_CHECK_CRC32));
|
|
|
|
const uint32_t test_vector = 0xCBF43926;
|
|
|
|
// Test 1
|
|
assert_uint_eq(lzma_crc32(test_string, sizeof(test_string), 0),
|
|
test_vector);
|
|
|
|
// Test 2
|
|
assert_uint_eq(lzma_crc32(test_unaligned + 3, sizeof(test_string), 0),
|
|
test_vector);
|
|
|
|
// Test 3
|
|
uint32_t crc = 0;
|
|
for (size_t i = 0; i < sizeof(test_string); ++i)
|
|
crc = lzma_crc32(test_string + i, 1, crc);
|
|
assert_uint_eq(crc, test_vector);
|
|
}
|
|
|
|
|
|
static void
|
|
test_lzma_crc64(void)
|
|
{
|
|
// CRC64 can be disabled.
|
|
if (!lzma_check_is_supported(LZMA_CHECK_CRC64))
|
|
assert_skip("CRC64 support is disabled");
|
|
|
|
// If CRC64 is disabled then lzma_crc64() will be missing.
|
|
// Using an ifdef here avoids a linker error.
|
|
#ifdef HAVE_CHECK_CRC64
|
|
const uint64_t test_vector = 0x995DC9BBDF1939FA;
|
|
|
|
// Test 1
|
|
assert_uint_eq(lzma_crc64(test_string, sizeof(test_string), 0),
|
|
test_vector);
|
|
|
|
// Test 2
|
|
assert_uint_eq(lzma_crc64(test_unaligned + 3, sizeof(test_string), 0),
|
|
test_vector);
|
|
|
|
// Test 3
|
|
uint64_t crc = 0;
|
|
for (size_t i = 0; i < sizeof(test_string); ++i)
|
|
crc = lzma_crc64(test_string + i, 1, crc);
|
|
assert_uint_eq(crc, test_vector);
|
|
|
|
// Test 4: The CLMUL implementation works on 16-byte chunks.
|
|
// Test combination of different start and end alignments
|
|
// and also short buffer lengths where special handling is needed.
|
|
uint32_t seed = 29;
|
|
crc = 0x96E30D5184B7FA2C; // Random initial value
|
|
for (size_t start = 0; start < 32; ++start)
|
|
for (size_t size = 1; size < 256 - 32; ++size)
|
|
crc = lzma_crc64(get_random256(&seed), size, crc);
|
|
|
|
assert_uint_eq(crc, 0x23AB787177231C9F);
|
|
#endif
|
|
}
|
|
|
|
|
|
static void
|
|
test_lzma_supported_checks(void)
|
|
{
|
|
static const lzma_check expected_check_ids[] = {
|
|
LZMA_CHECK_NONE,
|
|
#ifdef HAVE_CHECK_CRC32
|
|
LZMA_CHECK_CRC32,
|
|
#endif
|
|
#ifdef HAVE_CHECK_CRC64
|
|
LZMA_CHECK_CRC64,
|
|
#endif
|
|
#ifdef HAVE_CHECK_SHA256
|
|
LZMA_CHECK_SHA256,
|
|
#endif
|
|
};
|
|
|
|
for (lzma_check i = 0; i <= LZMA_CHECK_ID_MAX + 1; i++) {
|
|
bool matched = false;
|
|
for (unsigned int j = 0; j < ARRAY_SIZE(expected_check_ids);
|
|
j++) {
|
|
if (expected_check_ids[j] == i) {
|
|
matched = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (matched)
|
|
assert_true(lzma_check_is_supported(i));
|
|
else
|
|
assert_false(lzma_check_is_supported(i));
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
test_lzma_check_size(void)
|
|
{
|
|
// Expected check sizes taken from src/liblzma/api/lzma/check.h
|
|
static const uint32_t expected_check_sizes[] = {
|
|
0, 4, 4, 4, 8, 8, 8, 16, 16, 16,
|
|
32, 32, 32, 64, 64, 64
|
|
};
|
|
|
|
for (lzma_check i = 0; i < ARRAY_SIZE(expected_check_sizes); i++)
|
|
assert_uint_eq(expected_check_sizes[i], lzma_check_size(i));
|
|
|
|
assert_uint_eq(lzma_check_size(INVALID_LZMA_CHECK_ID), UINT32_MAX);
|
|
}
|
|
|
|
|
|
// Test the single threaded decoder for lzma_get_check
|
|
static void
|
|
test_lzma_get_check_st(void)
|
|
{
|
|
#ifndef HAVE_DECODERS
|
|
assert_skip("Decoder support disabled");
|
|
#else
|
|
const uint32_t flags = LZMA_TELL_ANY_CHECK |
|
|
LZMA_TELL_UNSUPPORTED_CHECK |
|
|
LZMA_TELL_NO_CHECK;
|
|
|
|
uint8_t outbuf[128];
|
|
lzma_stream strm = LZMA_STREAM_INIT;
|
|
|
|
// Test a file with no integrity check:
|
|
assert_lzma_ret(lzma_stream_decoder(&strm, TEST_CHECK_MEMLIMIT,
|
|
flags), LZMA_OK);
|
|
strm.next_in = no_check_xz_data;
|
|
strm.avail_in = no_check_size;
|
|
strm.next_out = outbuf;
|
|
strm.avail_out = sizeof(outbuf);
|
|
|
|
assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_NO_CHECK);
|
|
assert_lzma_check(lzma_get_check(&strm), LZMA_CHECK_NONE);
|
|
assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_STREAM_END);
|
|
|
|
// Test a file with an unsupported integrity check type:
|
|
assert_lzma_ret(lzma_stream_decoder(&strm, TEST_CHECK_MEMLIMIT,
|
|
flags), LZMA_OK);
|
|
strm.next_in = unsupported_check_xz_data;
|
|
strm.avail_in = unsupported_check_size;
|
|
strm.next_out = outbuf;
|
|
strm.avail_out = sizeof(outbuf);
|
|
|
|
assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_UNSUPPORTED_CHECK);
|
|
assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_STREAM_END);
|
|
|
|
// Test a file with CRC32 as the integrity check:
|
|
#ifdef HAVE_CHECK_CRC32
|
|
assert_lzma_ret(lzma_stream_decoder(&strm, TEST_CHECK_MEMLIMIT,
|
|
flags), LZMA_OK);
|
|
strm.next_in = crc32_xz_data;
|
|
strm.avail_in = crc32_size;
|
|
strm.next_out = outbuf;
|
|
strm.avail_out = sizeof(outbuf);
|
|
|
|
assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_GET_CHECK);
|
|
assert_lzma_check(lzma_get_check(&strm), LZMA_CHECK_CRC32);
|
|
assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_STREAM_END);
|
|
#endif
|
|
|
|
// Test a file with CRC64 as the integrity check:
|
|
#ifdef HAVE_CHECK_CRC64
|
|
assert_lzma_ret(lzma_stream_decoder(&strm, TEST_CHECK_MEMLIMIT,
|
|
flags), LZMA_OK);
|
|
strm.next_in = crc64_xz_data;
|
|
strm.avail_in = crc64_size;
|
|
strm.next_out = outbuf;
|
|
strm.avail_out = sizeof(outbuf);
|
|
|
|
assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_GET_CHECK);
|
|
assert_lzma_check(lzma_get_check(&strm), LZMA_CHECK_CRC64);
|
|
assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_STREAM_END);
|
|
#endif
|
|
|
|
// Test a file with SHA-256 as the integrity check:
|
|
#ifdef HAVE_CHECK_SHA256
|
|
assert_lzma_ret(lzma_stream_decoder(&strm, TEST_CHECK_MEMLIMIT,
|
|
flags), LZMA_OK);
|
|
strm.next_in = sha256_xz_data;
|
|
strm.avail_in = sha256_size;
|
|
strm.next_out = outbuf;
|
|
strm.avail_out = sizeof(outbuf);
|
|
|
|
assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_GET_CHECK);
|
|
assert_lzma_check(lzma_get_check(&strm), LZMA_CHECK_SHA256);
|
|
assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_STREAM_END);
|
|
#endif
|
|
|
|
lzma_end(&strm);
|
|
#endif
|
|
}
|
|
|
|
|
|
static void
|
|
test_lzma_get_check_mt(void)
|
|
{
|
|
#ifndef MYTHREAD_ENABLED
|
|
assert_skip("Threading support disabled");
|
|
#elif !defined(HAVE_DECODERS)
|
|
assert_skip("Decoder support disabled");
|
|
#else
|
|
const uint32_t flags = LZMA_TELL_ANY_CHECK |
|
|
LZMA_TELL_UNSUPPORTED_CHECK |
|
|
LZMA_TELL_NO_CHECK;
|
|
|
|
const lzma_mt options = {
|
|
.flags = flags,
|
|
.threads = 2,
|
|
.timeout = 0,
|
|
.memlimit_threading = TEST_CHECK_MEMLIMIT,
|
|
.memlimit_stop = TEST_CHECK_MEMLIMIT
|
|
};
|
|
|
|
uint8_t outbuf[128];
|
|
lzma_stream strm = LZMA_STREAM_INIT;
|
|
|
|
// Test a file with no integrity check:
|
|
assert_lzma_ret(lzma_stream_decoder_mt(&strm, &options), LZMA_OK);
|
|
strm.next_in = no_check_xz_data;
|
|
strm.avail_in = no_check_size;
|
|
strm.next_out = outbuf;
|
|
strm.avail_out = sizeof(outbuf);
|
|
|
|
assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_NO_CHECK);
|
|
assert_lzma_check(lzma_get_check(&strm), LZMA_CHECK_NONE);
|
|
assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_STREAM_END);
|
|
|
|
// Test a file with an unsupported integrity check type:
|
|
assert_lzma_ret(lzma_stream_decoder_mt(&strm, &options), LZMA_OK);
|
|
strm.next_in = unsupported_check_xz_data;
|
|
strm.avail_in = unsupported_check_size;
|
|
strm.next_out = outbuf;
|
|
strm.avail_out = sizeof(outbuf);
|
|
|
|
assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_UNSUPPORTED_CHECK);
|
|
assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_STREAM_END);
|
|
|
|
// Test a file with CRC32 as the integrity check:
|
|
#ifdef HAVE_CHECK_CRC32
|
|
assert_lzma_ret(lzma_stream_decoder_mt(&strm, &options), LZMA_OK);
|
|
strm.next_in = crc32_xz_data;
|
|
strm.avail_in = crc32_size;
|
|
strm.next_out = outbuf;
|
|
strm.avail_out = sizeof(outbuf);
|
|
|
|
assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_GET_CHECK);
|
|
assert_lzma_check(lzma_get_check(&strm), LZMA_CHECK_CRC32);
|
|
assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_STREAM_END);
|
|
#endif
|
|
|
|
// Test a file with CRC64 as the integrity check:
|
|
#ifdef HAVE_CHECK_CRC64
|
|
assert_lzma_ret(lzma_stream_decoder_mt(&strm, &options), LZMA_OK);
|
|
strm.next_in = crc64_xz_data;
|
|
strm.avail_in = crc64_size;
|
|
strm.next_out = outbuf;
|
|
strm.avail_out = sizeof(outbuf);
|
|
|
|
assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_GET_CHECK);
|
|
assert_lzma_check(lzma_get_check(&strm), LZMA_CHECK_CRC64);
|
|
assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_STREAM_END);
|
|
#endif
|
|
|
|
// Test a file with SHA-256 as the integrity check:
|
|
#ifdef HAVE_CHECK_SHA256
|
|
assert_lzma_ret(lzma_stream_decoder_mt(&strm,&options), LZMA_OK);
|
|
strm.next_in = sha256_xz_data;
|
|
strm.avail_in = sha256_size;
|
|
strm.next_out = outbuf;
|
|
strm.avail_out = sizeof(outbuf);
|
|
|
|
assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_GET_CHECK);
|
|
assert_lzma_check(lzma_get_check(&strm), LZMA_CHECK_SHA256);
|
|
assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_STREAM_END);
|
|
#endif
|
|
|
|
lzma_end(&strm);
|
|
#endif
|
|
}
|
|
|
|
|
|
extern int
|
|
main(int argc, char **argv)
|
|
{
|
|
tuktest_start(argc, argv);
|
|
|
|
no_check_xz_data = tuktest_file_from_srcdir(
|
|
"files/good-1-check-none.xz", &no_check_size);
|
|
|
|
unsupported_check_xz_data = tuktest_file_from_srcdir(
|
|
"files/unsupported-check.xz",
|
|
&unsupported_check_size);
|
|
|
|
#ifdef HAVE_CHECK_CRC32
|
|
crc32_xz_data = tuktest_file_from_srcdir(
|
|
"files/good-1-check-crc32.xz", &crc32_size);
|
|
#endif
|
|
|
|
#ifdef HAVE_CHECK_CRC64
|
|
crc64_xz_data = tuktest_file_from_srcdir(
|
|
"files/good-1-check-crc64.xz", &crc64_size);
|
|
#endif
|
|
|
|
#ifdef HAVE_CHECK_SHA256
|
|
sha256_xz_data = tuktest_file_from_srcdir(
|
|
"files/good-1-check-sha256.xz", &sha256_size);
|
|
#endif
|
|
|
|
tuktest_run(test_lzma_crc32);
|
|
tuktest_run(test_lzma_crc64);
|
|
tuktest_run(test_lzma_supported_checks);
|
|
tuktest_run(test_lzma_check_size);
|
|
tuktest_run(test_lzma_get_check_st);
|
|
tuktest_run(test_lzma_get_check_mt);
|
|
|
|
return tuktest_end();
|
|
}
|