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// Copyright 2022 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.FuzzerSecurityIssueHigh;
import java.io.*;
import java.lang.reflect.InvocationTargetException;
import java.util.Base64;
import org.junit.After;
import org.junit.Test;
public class DisabledHooksTest {
public static void triggerReflectiveCallSanitizer() {
try {
Class.forName("jaz.Zer").newInstance();
} catch (ClassNotFoundException | IllegalAccessException | InstantiationException ignored) {
}
}
public static void triggerExpressionLanguageInjectionSanitizer() throws Throwable {
try {
Class.forName("jaz.Zer").getMethod("el").invoke(null);
} catch (InvocationTargetException e) {
throw e.getCause();
} catch (IllegalAccessException | ClassNotFoundException | NoSuchMethodException ignore) {
}
}
public static void triggerDeserializationSanitizer() {
byte[] data =
Base64.getDecoder().decode("rO0ABXNyAAdqYXouWmVyAAAAAAAAACoCAAFCAAlzYW5pdGl6ZXJ4cAEK");
try {
ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(data));
System.out.println(ois.readObject());
} catch (IOException | ClassNotFoundException ignore) {
}
}
@After
public void resetDisabledHooksProperty() {
System.clearProperty("jazzer.disabled_hooks");
}
@Test(expected = FuzzerSecurityIssueHigh.class)
public void enableReflectiveCallSanitizer() {
triggerReflectiveCallSanitizer();
}
@Test(expected = FuzzerSecurityIssueHigh.class)
public void enableDeserializationSanitizer() {
triggerDeserializationSanitizer();
}
@Test(expected = FuzzerSecurityIssueHigh.class)
public void enableExpressionLanguageInjectionSanitizer() throws Throwable {
triggerExpressionLanguageInjectionSanitizer();
}
@Test
public void disableReflectiveCallSanitizer() {
System.setProperty(
"jazzer.disabled_hooks", "com.code_intelligence.jazzer.sanitizers.ReflectiveCall");
triggerReflectiveCallSanitizer();
}
@Test
public void disableDeserializationSanitizer() {
System.setProperty(
"jazzer.disabled_hooks", "com.code_intelligence.jazzer.sanitizers.Deserialization");
triggerDeserializationSanitizer();
}
@Test
public void disableExpressionLanguageSanitizer() throws Throwable {
System.setProperty("jazzer.disabled_hooks",
"com.code_intelligence.jazzer.sanitizers.ExpressionLanguageInjection");
triggerExpressionLanguageInjectionSanitizer();
}
@Test(expected = FuzzerSecurityIssueHigh.class)
public void disableReflectiveCallAndEnableDeserialization() {
System.setProperty(
"jazzer.disabled_hooks", "com.code_intelligence.jazzer.sanitizers.ReflectiveCall");
triggerReflectiveCallSanitizer();
triggerDeserializationSanitizer();
}
@Test
public void disableAllSanitizers() throws Throwable {
System.setProperty("jazzer.disabled_hooks",
"com.code_intelligence.jazzer.sanitizers.ReflectiveCall,"
+ "com.code_intelligence.jazzer.sanitizers.Deserialization,"
+ "com.code_intelligence.jazzer.sanitizers.ExpressionLanguageInjection");
triggerReflectiveCallSanitizer();
triggerExpressionLanguageInjectionSanitizer();
triggerDeserializationSanitizer();
}
}
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