xref: /aosp_15_r20/system/security/keystore/tests/fuzzer/keystorePackageInfo_fuzzer.cpp (revision e1997b9af69e3155ead6e072d106a0077849ffba)
1 /*
2  * Copyright (C) 2021 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include "keystoreCommon.h"
18 
19 class KeystorePackageInfoFuzzer {
20   public:
21     void process(const uint8_t* data, size_t size);
~KeystorePackageInfoFuzzer()22     ~KeystorePackageInfoFuzzer() {}
23 
24   private:
25     void invokePackageInfo();
26     std::unique_ptr<FuzzedDataProvider> mFdp;
27 };
28 
invokePackageInfo()29 void KeystorePackageInfoFuzzer::invokePackageInfo() {
30     auto packageInfoData = initPackageInfoData(mFdp.get());
31     auto packageInfo = KeyAttestationPackageInfo();
32     packageInfo.packageName = String16((packageInfoData.packageName).c_str());
33     packageInfo.versionCode = packageInfoData.versionCode;
34     std::move(packageInfoData.sharedSignaturesVector->begin(),
35               packageInfoData.sharedSignaturesVector->end(),
36               std::back_inserter(packageInfo.signatures));
37     invokeReadWriteParcel(&packageInfo);
38 }
39 
process(const uint8_t * data,size_t size)40 void KeystorePackageInfoFuzzer::process(const uint8_t* data, size_t size) {
41     mFdp = std::make_unique<FuzzedDataProvider>(data, size);
42     invokePackageInfo();
43 }
44 
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)45 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
46     KeystorePackageInfoFuzzer keystorePackageInfoFuzzer;
47     keystorePackageInfoFuzzer.process(data, size);
48     return 0;
49 }
50