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/*
* Copyright (C) 2021 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "keystoreCommon.h"
#include <android/security/keystore/KeyAttestationApplicationId.h>
using ::android::security::keystore::KeyAttestationApplicationId;
constexpr size_t kPackageVectorSizeMin = 1;
constexpr size_t kPackageVectorSizeMax = 10;
class KeystoreApplicationId {
public:
void process(const uint8_t* data, size_t size);
~KeystoreApplicationId() {}
private:
void invokeApplicationId();
std::unique_ptr<FuzzedDataProvider> mFdp;
};
void KeystoreApplicationId::invokeApplicationId() {
KeyAttestationApplicationId applicationId;
bool shouldUsePackageInfoVector = mFdp->ConsumeBool();
if (shouldUsePackageInfoVector) {
::std::vector<KeyAttestationPackageInfo> packageInfoVector;
int32_t packageVectorSize =
mFdp->ConsumeIntegralInRange<int32_t>(kPackageVectorSizeMin, kPackageVectorSizeMax);
for (int32_t packageSize = 0; packageSize < packageVectorSize; ++packageSize) {
auto packageInfoData = initPackageInfoData(mFdp.get());
auto pInfo = KeyAttestationPackageInfo();
pInfo.packageName = String16((packageInfoData.packageName).c_str());
pInfo.versionCode = packageInfoData.versionCode;
std::move(packageInfoData.sharedSignaturesVector->begin(),
packageInfoData.sharedSignaturesVector->end(),
std::back_inserter(pInfo.signatures));
packageInfoVector.push_back(std::move(pInfo));
}
std::move(packageInfoVector.begin(), packageInfoVector.end(),
std::back_inserter(applicationId.packageInfos));
} else {
auto packageInfoData = initPackageInfoData(mFdp.get());
auto pInfo = KeyAttestationPackageInfo();
pInfo.packageName = String16((packageInfoData.packageName).c_str());
pInfo.versionCode = packageInfoData.versionCode;
std::move(packageInfoData.sharedSignaturesVector->begin(),
packageInfoData.sharedSignaturesVector->end(),
std::back_inserter(pInfo.signatures));
applicationId.packageInfos.push_back(std::move(pInfo));
}
invokeReadWriteParcel(&applicationId);
}
void KeystoreApplicationId::process(const uint8_t* data, size_t size) {
mFdp = std::make_unique<FuzzedDataProvider>(data, size);
invokeApplicationId();
}
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
KeystoreApplicationId keystoreApplicationId;
keystoreApplicationId.process(data, size);
return 0;
}
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