diff options
Diffstat (limited to 'examples/src/main/java/com/example/ExampleFuzzerHooks.java')
-rw-r--r-- | examples/src/main/java/com/example/ExampleFuzzerHooks.java | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/examples/src/main/java/com/example/ExampleFuzzerHooks.java b/examples/src/main/java/com/example/ExampleFuzzerHooks.java new file mode 100644 index 00000000..41f16635 --- /dev/null +++ b/examples/src/main/java/com/example/ExampleFuzzerHooks.java @@ -0,0 +1,30 @@ +// Copyright 2021 Code Intelligence GmbH +// +// 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 com.example; + +import com.code_intelligence.jazzer.api.HookType; +import com.code_intelligence.jazzer.api.MethodHook; +import java.lang.invoke.MethodHandle; + +public class ExampleFuzzerHooks { + @MethodHook(type = HookType.REPLACE, targetClassName = "java.security.SecureRandom", + targetMethod = "nextLong", targetMethodDescriptor = "()J") + public static long + getRandomNumber(MethodHandle handle, Object thisObject, Object[] args, int hookId) { + return 4; // chosen by fair dice roll. + // guaranteed to be random. + // https://xkcd.com/221/ + } +} |