Bump bundled libarchive version to 3.5.2

- Update bunlded libarchive version used on Windows/Mac
- Enable requested zstd support while we are at it. Closes #211
This commit is contained in:
Floris Bos 2021-12-09 12:22:14 +01:00
parent 03e083b4f3
commit 67618a2eac
1869 changed files with 166685 additions and 9489 deletions

View file

@ -0,0 +1,73 @@
/*
* Copyright (c) Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under both the BSD-style license (found in the
* LICENSE file in the root directory of this source tree) and the GPLv2 (found
* in the COPYING file in the root directory of this source tree).
* You may select, at your option, one of the above-listed licenses.
*/
/**
* This fuzz target attempts to decompress the fuzzed data with the dictionary
* decompression function to ensure the decompressor never crashes. It does not
* fuzz the dictionary.
*/
#include <stddef.h>
#include <stdlib.h>
#include <stdio.h>
#include "fuzz_helpers.h"
#include "zstd_helpers.h"
#include "fuzz_data_producer.h"
static ZSTD_DCtx *dctx = NULL;
int LLVMFuzzerTestOneInput(const uint8_t *src, size_t size)
{
/* Give a random portion of src data to the producer, to use for
parameter generation. The rest will be used for (de)compression */
FUZZ_dataProducer_t *producer = FUZZ_dataProducer_create(src, size);
size = FUZZ_dataProducer_reserveDataPrefix(producer);
FUZZ_dict_t dict;
ZSTD_DDict* ddict = NULL;
if (!dctx) {
dctx = ZSTD_createDCtx();
FUZZ_ASSERT(dctx);
}
dict = FUZZ_train(src, size, producer);
if (FUZZ_dataProducer_uint32Range(producer, 0, 1) == 0) {
ddict = ZSTD_createDDict(dict.buff, dict.size);
FUZZ_ASSERT(ddict);
} else {
if (FUZZ_dataProducer_uint32Range(producer, 0, 1) == 0)
FUZZ_ZASSERT(ZSTD_DCtx_loadDictionary_advanced(
dctx, dict.buff, dict.size,
(ZSTD_dictLoadMethod_e)FUZZ_dataProducer_uint32Range(producer, 0, 1),
(ZSTD_dictContentType_e)FUZZ_dataProducer_uint32Range(producer, 0, 2)));
else
FUZZ_ZASSERT(ZSTD_DCtx_refPrefix_advanced(
dctx, dict.buff, dict.size,
(ZSTD_dictContentType_e)FUZZ_dataProducer_uint32Range(producer, 0, 2)));
}
{
size_t const bufSize = FUZZ_dataProducer_uint32Range(producer, 0, 10 * size);
void* rBuf = FUZZ_malloc(bufSize);
if (ddict) {
ZSTD_decompress_usingDDict(dctx, rBuf, bufSize, src, size, ddict);
} else {
ZSTD_decompressDCtx(dctx, rBuf, bufSize, src, size);
}
free(rBuf);
}
free(dict.buff);
FUZZ_dataProducer_free(producer);
ZSTD_freeDDict(ddict);
#ifndef STATEFUL_FUZZING
ZSTD_freeDCtx(dctx); dctx = NULL;
#endif
return 0;
}