oss-fuzz/projects/open-json/JsonTokenerFuzzer.java

66 lines
2.6 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 org.json.JSONException;
import org.json.JSONTokener;
// Generated with https://github.com/ossf/fuzz-introspector/tree/main/tools/auto-fuzz
// Minor modifications to beautify code and ensure exception is caught.
// jvm-autofuzz-heuristics-1
// Heuristic name: jvm-autofuzz-heuristics-1
// Target method: [org.json.JSONTokener] public static int dehexchar(char)
// jvm-autofuzz-heuristics-2
// Heuristic name: jvm-autofuzz-heuristics-2
// Target method: [org.json.JSONTokener] public java.lang.String nextTo(java.lang.String)
// Target method: [org.json.JSONTokener] public java.lang.String nextString(char) throws org.json.JSONException
// Target method: [org.json.JSONTokener] public char next(char) throws org.json.JSONException
// Target method: [org.json.JSONTokener] public java.lang.String next(int) throws org.json.JSONException
// Target method: [org.json.JSONTokener] public java.lang.String nextTo(char)
// Target method: [org.json.JSONTokener] public void skipPast(java.lang.String)
public class JsonTokenerFuzzer {
public static void fuzzerTestOneInput(FuzzedDataProvider data) {
JSONTokener obj = new JSONTokener(data.consumeString(data.remainingBytes() / 2));
try {
switch(data.consumeInt(1, 7)) {
case 1:
obj.nextTo(data.consumeRemainingAsString());
break;
case 2:
JSONTokener.dehexchar(data.consumeChar());
break;
case 3:
obj.nextString(data.consumeChar());
break;
case 4:
obj.nextString(data.consumeChar());
break;
case 5:
obj.next(data.consumeInt());
break;
case 6:
obj.nextTo(data.consumeChar());
break;
case 7:
obj.skipPast(data.consumeString(100));
break;
}
} catch(JSONException | StringIndexOutOfBoundsException e1) {
// Known exception
}
}
}