oss-fuzz/projects/jackson-core/ParseNextTokenFuzzer.java

53 lines
1.8 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 com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.Base64Variant;
import com.fasterxml.jackson.core.Base64Variants;
import com.fasterxml.jackson.core.JsonFactory;
import java.io.IOException;
import java.io.ByteArrayOutputStream;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
public class ParseNextTokenFuzzer {
public static void fuzzerTestOneInput(FuzzedDataProvider data) {
JsonFactory jf = new JsonFactory();
JsonParser jp;
try {
jp = jf.createParser(data.consumeRemainingAsBytes());
if (data.consumeBoolean()) {
} else {
InputStream myInputStream = new ByteArrayInputStream(data.consumeRemainingAsBytes());
jp = jf.createParser(myInputStream);
}
jp.nextFieldName();
ByteArrayOutputStream bytes = new ByteArrayOutputStream();
Base64Variant orig = Base64Variants.PEM;
while (jp.nextToken() != null) {
;
}
jp.readBinaryValue(orig, bytes);
} catch (IOException | IllegalArgumentException ignored) {
}
}
}