oss-fuzz/projects/apache-felix-dev/JSONParserFuzzer.java

65 lines
1.9 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.util.List;
import java.util.Map;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import org.apache.felix.utils.json.JSONParser;
public class JSONParserFuzzer {
public static void fuzzerTestOneInput(FuzzedDataProvider data) {
boolean switchConstructor = data.consumeBoolean();
int switchEncoding = data.consumeInt(0,2);
String string = data.consumeRemainingAsString();
try {
JSONParser jSONParser;
if (switchConstructor){
CharSequence charSeq = string;
jSONParser = new JSONParser(charSeq);
} else {
String encoding = "UTF_8";
switch (switchEncoding) {
case 0:
break;
case 1:
encoding = "UTF_16";
break;
case 2:
encoding = "UTF_32";
break;
}
InputStream inputStream = new ByteArrayInputStream(string.getBytes(encoding));
jSONParser = new JSONParser(inputStream);
}
List<Object> res = jSONParser.getParsedList();
Map<String, Object> parsed = jSONParser.getParsed();
}
catch(IllegalArgumentException | IOException e){
}
}
}