c7e237eb00
Several updates to fuzz tests, including http://go/wvgerrit/124043 Add documentation for partners to run fuzzing http://go/wvgerrit/128224 Fix generic verify fuzz script http://go/wvgerrit/120507 Fuzzing: Add fuzzer for reportusage API http://go/wvgerrit/120503 Fuzzing: Add fuzzer for deactivate usageentry API http://go/wvgerrit/120463 Fuzzing: Add logic to exit fuzzer script http://go/wvgerrit/120444 Fuzzing: Add fuzzer for loadusageentry API Bug: 183154879 Bug: 202994773 Bug: 186785830 Test: test only code Change-Id: I877681461824c51bc82f0766a9973378aafadba7
67 lines
2.4 KiB
C++
67 lines
2.4 KiB
C++
// Copyright 2020 Google LLC. All Rights Reserved. This file and proprietary
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// source code may only be used and distributed under the Widevine
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// License Agreement.
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#include "oemcrypto_fuzz_helper.h"
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namespace wvoec {
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void RedirectStdoutToFile() { freopen("log.txt", "a", stdout); }
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std::vector<std::vector<uint8_t>> SplitInput(const uint8_t* data, size_t size) {
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std::vector<std::vector<uint8_t>> result;
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auto current_pos = data;
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auto end = data + size;
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// Using memmem to find separator
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while (const uint8_t* pos = reinterpret_cast<const uint8_t*>(
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memmem(current_pos, end - current_pos, kFuzzDataSeparator,
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sizeof(kFuzzDataSeparator)))) {
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result.push_back({current_pos, pos});
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current_pos = pos + sizeof(kFuzzDataSeparator);
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}
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if (current_pos < end) {
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result.push_back({current_pos, end});
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}
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return result;
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}
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void OEMCryptoLicenseAPIFuzz::LoadLicense() {
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license_messages_.SignAndVerifyRequest();
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license_messages_.CreateDefaultResponse();
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license_messages_.EncryptAndSignResponse();
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OEMCryptoResult sts = license_messages_.LoadResponse();
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CheckStatusAndExitFuzzerOnFailure(sts, OEMCrypto_SUCCESS);
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}
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void OEMCryptoProvisioningAPIFuzz::LoadProvisioning() {
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provisioning_messages_.SignAndVerifyRequest();
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provisioning_messages_.CreateDefaultResponse();
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provisioning_messages_.EncryptAndSignResponse();
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OEMCryptoResult sts = provisioning_messages_.LoadResponse();
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CheckStatusAndExitFuzzerOnFailure(sts, OEMCrypto_SUCCESS);
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}
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void LicenseWithUsageEntryFuzz::CreateUsageTableHeader() {
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size_t header_buffer_length = 0;
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OEMCryptoResult sts =
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OEMCrypto_CreateUsageTableHeader(nullptr, &header_buffer_length);
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encrypted_usage_header_.resize(header_buffer_length);
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sts = OEMCrypto_CreateUsageTableHeader(encrypted_usage_header_.data(),
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&header_buffer_length);
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CheckStatusAndExitFuzzerOnFailure(sts, OEMCrypto_SUCCESS);
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}
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void LicenseWithUsageEntryFuzz::LoadLicense() {
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license_messages_.SignAndVerifyRequest();
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license_messages_.CreateDefaultResponse();
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license_messages_.EncryptAndSignResponse();
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OEMCryptoResult sts = license_messages_.LoadResponse();
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CheckStatusAndExitFuzzerOnFailure(sts, OEMCrypto_SUCCESS);
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}
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void CheckStatusAndExitFuzzerOnFailure(OEMCryptoResult result,
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OEMCryptoResult expected_status) {
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if (result != expected_status) {
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abort();
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}
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}
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} // namespace wvoec
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