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

45 lines
1.6 KiB
Java

// Copyright 2021 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.databind.ObjectMapper;
import java.io.IOException;
public class JsonFuzzer {
public static void fuzzerTestOneInput(FuzzedDataProvider data) {
ObjectMapper mapper = new ObjectMapper();
if (data.consumeBoolean())
mapper.enable(JsonParser.Feature.ALLOW_COMMENTS);
if (data.consumeBoolean())
mapper.enable(JsonParser.Feature.ALLOW_SINGLE_QUOTES);
if (data.consumeBoolean())
mapper.enable(JsonParser.Feature.ALLOW_UNQUOTED_FIELD_NAMES);
if (data.consumeBoolean())
mapper.enable(JsonParser.Feature.ALLOW_YAML_COMMENTS);
if (data.consumeBoolean())
mapper.enable(JsonParser.Feature.IGNORE_UNDEFINED);
if (data.consumeBoolean())
mapper.enable(JsonParser.Feature.STRICT_DUPLICATE_DETECTION);
try {
mapper.readTree(data.consumeRemainingAsBytes());
} catch (IOException ignored) {
}
}
}