Files
android/libwvdrmengine/oemcrypto/test/fuzz_tests/oemcrypto_load_renewal_fuzz.cc
Fred Gylys-Colwell e51c9fbbb8 Update license comment
Merge from Widevine repo of http://go/wvgerrit/121950

Remove term "Master" from "Widevine Master License Agreement".

Bug: 168562298
Change-Id: I655babf1bc447f4872f6a0f849107262be42df7a
2021-04-12 14:10:08 -07:00

42 lines
1.7 KiB
C++

// Copyright 2020 Google LLC. All Rights Reserved. This file and proprietary
// source code may only be used and distributed under the Widevine
// License Agreement.
#include "oemcrypto_fuzz_helper.h"
#include "oemcrypto_fuzz_structs.h"
namespace wvoec {
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();
if (size < sizeof(OEMCrypto_Renewal_Response_Fuzz)) {
return 0;
}
// Copy input data to OEMCrypto_Renewal_Response_Fuzz and rest of message
// into encrypted license_renewal_response.
OEMCrypto_Renewal_Response_Fuzz fuzzed_data;
memcpy(&fuzzed_data, data, sizeof(fuzzed_data));
const uint8_t* renewal_response =
data + sizeof(OEMCrypto_Renewal_Response_Fuzz);
const size_t renewal_response_size =
size - sizeof(OEMCrypto_Renewal_Response_Fuzz);
OEMCryptoRenewalAPIFuzz renewal_response_fuzz;
renewal_response_fuzz.license_messages().SignAndVerifyRequest();
renewal_response_fuzz.license_messages().CreateDefaultResponse();
// Inject timer limits from fuzzed input to timer_limits field from
// core license response.
renewal_response_fuzz.license_messages().InjectFuzzedTimerLimits(fuzzed_data);
renewal_response_fuzz.license_messages().EncryptAndSignResponse();
renewal_response_fuzz.license_messages().LoadResponse();
// Call renewal response API using fuzzed data.
renewal_response_fuzz.renewal_messages().SignAndVerifyRequest();
renewal_response_fuzz.renewal_messages().InjectFuzzedResponseData(
fuzzed_data, renewal_response, renewal_response_size);
renewal_response_fuzz.renewal_messages().LoadResponse();
return 0;
}
} // namespace wvoec