oss-fuzz/projects/jackson-dataformat-xml/FromXmlParserFuzzer.java

123 lines
3.6 KiB
Java

// Copyright 2023 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.dataformat.xml.JacksonXmlModule;
import com.fasterxml.jackson.dataformat.xml.XmlFactory;
import com.fasterxml.jackson.dataformat.xml.XmlMapper;
import com.fasterxml.jackson.dataformat.xml.deser.FromXmlParser;
import java.io.IOException;
import java.util.EnumSet;
/** This fuzzer targets the methods of the FromXmlParser object */
public class FromXmlParserFuzzer {
public static void fuzzerTestOneInput(FuzzedDataProvider data) {
try {
Integer choice = data.consumeInt(1, 19);
// Retrieve set of FromXmlParser.Feature
EnumSet<FromXmlParser.Feature> featureSet = EnumSet.allOf(FromXmlParser.Feature.class);
// Create and configure XmlMapper
XmlMapper mapper = null;
if (data.consumeBoolean()) {
mapper =
new XmlMapper(
XmlFactory.builder()
.enable(data.pickValue(featureSet))
.disable(data.pickValue(featureSet))
.build());
} else {
mapper = new XmlMapper(new JacksonXmlModule());
}
// Create and configure FromXmlParser
boolean[] featureChoice = data.consumeBooleans(featureSet.size());
FromXmlParser parser =
(FromXmlParser) mapper.getFactory().createParser(data.consumeRemainingAsString());
int counter = 0;
for (FromXmlParser.Feature feature : featureSet) {
parser.configure(feature, featureChoice[counter++]);
}
// Fuzz methods of FromXmlParser
switch (choice) {
case 1:
parser.currentName();
break;
case 2:
parser.currentTokenLocation();
break;
case 3:
parser.currentLocation();
break;
case 4:
parser.isExpectedStartArrayToken();
break;
case 5:
parser.isExpectedNumberIntToken();
break;
case 6:
parser.nextToken();
break;
case 7:
parser.nextTextValue();
break;
case 8:
parser.getText();
break;
case 9:
parser.getTextCharacters();
break;
case 10:
parser.getTextLength();
break;
case 11:
parser.getTextOffset();
break;
case 12:
parser.getNumberType();
break;
case 13:
parser.getNumberValue();
break;
case 14:
parser.getIntValue();
break;
case 15:
parser.getLongValue();
break;
case 16:
parser.getBigIntegerValue();
break;
case 17:
parser.getFloatValue();
break;
case 18:
parser.getDoubleValue();
break;
case 19:
parser.getDecimalValue();
break;
}
parser.close();
} catch (IOException | IllegalArgumentException | IllegalStateException e) {
// Known exception
}
}
}