oss-fuzz/projects/spring-cloud-sleuth-brave/W3CPropagationFuzzer.java

41 lines
1.8 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.
//
////////////////////////////////////////////////////////////////////////////////
package org.springframework.cloud.sleuth.brave.bridge;
import java.lang.reflect.*;
import com.code_intelligence.jazzer.api.FuzzedDataProvider;
public class W3CPropagationFuzzer {
static Method extractContextFromTraceParent_Method;
public static void fuzzerInitialize() {
// expose a private method "extractContextFromTraceParent" of the class W3CPropagation
try {
extractContextFromTraceParent_Method = W3CPropagation.class.getDeclaredMethod("extractContextFromTraceParent", String.class);
extractContextFromTraceParent_Method.setAccessible(true);
} catch (NoSuchMethodException e) {
} catch (ExceptionInInitializerError e) {}
}
public static void fuzzerTestOneInput(FuzzedDataProvider data) {
String content = data.consumeRemainingAsString();
try {
extractContextFromTraceParent_Method.invoke(W3CPropagation.class, content);
} catch (IllegalAccessException e) {
} catch (InvocationTargetException e) {}
}
}