// 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) { } } }