oss-fuzz/projects/junrar/JunrarFuzzer.java

85 lines
2.1 KiB
Java

// Copyright 2022 Google LLC
//
// 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.
//
////////////////////////////////////////////////////////////////////////////////
import com.code_intelligence.jazzer.api.FuzzedDataProvider;
import java.io.InputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.ByteArrayInputStream;
import com.github.junrar.Archive;
import com.github.junrar.rarfile.FileHeader;
import com.github.junrar.exception.RarException;
import com.github.junrar.io.SeekableReadOnlyByteChannel;
import com.github.junrar.rarfile.MainHeader;
import com.github.junrar.volume.Volume;
public class JunrarFuzzer {
public static void fuzzerTestOneInput(FuzzedDataProvider data) {
try {
InputStream inputStream = new ByteArrayInputStream(data.consumeRemainingAsBytes());
Archive v0 = null;
FileHeader v1 = null;
SeekableReadOnlyByteChannel v2 = null;
MainHeader v3 = null;
Volume v4 = null;
v0 = new Archive(inputStream);
v2 = v0.getChannel();
if (v2 != null) {
v2.getPosition();
}
v0.getFileHeaders();
v0.getHeaders();
v3 = v0.getMainHeader();
if (v3 != null) {
v3.getEncryptVersion();
v3.isEncrypted();
//v3.print();
}
v4 = v0.getVolume();
if (v4 != null) {
v4.getChannel();
v4.getLength();
}
v0.isEncrypted();
while (true) {
v1 = v0.nextFileHeader();
if (v1 == null) {
break;
}
v1.getCTime();
v1.hasVolumeNumber();
v1.isSubBlock();
v0.extractFile(v1, OutputStream.nullOutputStream());
}
} catch (IOException e1) {
} catch (RarException e2) {
return;
}
}
}