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Source release 17.1.2

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This commit is contained in:
John "Juce" Bruce
2023-06-23 15:37:42 -07:00
parent a10f13a2dc
commit 2baa7c6e2b
353 changed files with 12903 additions and 2305 deletions
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78
oemcrypto/test/fuzz_tests/oemcrypto_generic_encrypt_fuzz.cc
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@@ -2,60 +2,64 @@
// source code may only be used and distributed under the Widevine
// License Agreement.
#include <vector>
#include "FuzzedDataProvider.h"
#include "OEMCryptoCENC.h"
#include "log.h"
#include "oemcrypto_fuzz_helper.h"
#include "oemcrypto_fuzz_structs.h"
#include "oemcrypto_types.h"
namespace wvoec {
namespace {
// Avoid calling non-trivial destructor.
wvoec::OEMCryptoLicenseAPIFuzz& license_api_fuzz =
*new wvoec::OEMCryptoLicenseAPIFuzz;
} // namespace
extern "C" int LLVMFuzzerInitialize(int* argc, char*** argv) {
wvoec::RedirectStdoutToFile();
license_api_fuzz.Initialize();
license_api_fuzz.LoadLicenseWithGenericCryptoKeys();
return 0;
}
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
// Redirect printf and log statements from oemcrypto functions to a file to
// reduce noise
RedirectStdoutToFile();
// Split data using separator.
auto inputs = SplitInput(data, size);
const std::vector<wvoec::FuzzedData> inputs =
wvoec::SplitFuzzedData(data, size);
if (inputs.size() < 2) {
return 0;
}
OEMCrypto_Generic_Api_Fuzz fuzzed_structure;
if (inputs[0].size() < sizeof(fuzzed_structure)) {
wvoec::OEMCrypto_Generic_Api_Fuzz fuzzed_structure;
if (inputs[0].size < sizeof(fuzzed_structure)) {
return 0;
}
// Copy OEMCrypto_Generic_Api_Fuzz from input data.
memcpy(&fuzzed_structure, data, sizeof(fuzzed_structure));
ConvertDataToValidEnum(OEMCrypto_CipherMode_MaxValue,
&fuzzed_structure.cipher_mode);
ConvertDataToValidEnum(OEMCrypto_Algorithm_MaxValue,
&fuzzed_structure.algorithm);
FuzzedDataProvider fuzzed_data(inputs[0].data, inputs[0].size);
fuzzed_data.ConsumeData(&fuzzed_structure, sizeof(fuzzed_structure));
wvoec::ConvertDataToValidEnum(OEMCrypto_CipherMode_MaxValue,
fuzzed_structure.cipher_mode);
wvoec::ConvertDataToValidEnum(OEMCrypto_Algorithm_MaxValue,
fuzzed_structure.algorithm);
// Copy iv from input data.
size_t iv_size = inputs[0].size() - sizeof(fuzzed_structure);
if (iv_size == 0) {
return 0;
}
vector<uint8_t> iv(iv_size);
memcpy(iv.data(), data + sizeof(fuzzed_structure), iv_size);
constexpr size_t iv_length = 16;
const std::vector<uint8_t> iv = fuzzed_data.ConsumeBytes<uint8_t>(
fuzzed_data.remaining_bytes() < iv_length ? 0 : iv_length);
// Copy clear buffer from input data.
vector<uint8_t> clear_buffer(inputs[1].size());
vector<uint8_t> encrypted_buffer(inputs[1].size());
memcpy(clear_buffer.data(), inputs[1].data(), inputs[1].size());
// Initialize clear and encrypted buffers.
const std::vector<uint8_t> clear_buffer(inputs[1].data,
inputs[1].data + inputs[1].size);
std::vector<uint8_t> encrypted_buffer(clear_buffer.size());
OEMCryptoLicenseAPIFuzz license_api_fuzz;
Session* session = license_api_fuzz.session();
// Load license and call generic_encrypt API.
license_api_fuzz.LoadLicense();
OEMCryptoResult sts = OEMCrypto_SelectKey(
session->session_id(), session->license().keys[0].key_id,
session->license().keys[0].key_id_length, fuzzed_structure.cipher_mode);
CheckStatusAndExitFuzzerOnFailure(sts, OEMCrypto_SUCCESS);
// Select key and encrypt.
wvoec::Session& session = license_api_fuzz.session();
OEMCrypto_SelectKey(session.session_id(), session.license().keys[0].key_id,
session.license().keys[0].key_id_length,
fuzzed_structure.cipher_mode);
OEMCrypto_Generic_Encrypt(
session->session_id(), clear_buffer.data(), clear_buffer.size(),
iv.data(), fuzzed_structure.algorithm, encrypted_buffer.data());
session.session_id(), clear_buffer.data(), clear_buffer.size(), iv.data(),
fuzzed_structure.algorithm, encrypted_buffer.data());
return 0;
}
} // namespace wvoec