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/*
* Copyright (c) 2016 - present Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
package codetoanalyze.java.quandary;
import com.facebook.infer.builtins.InferTaint;
/** testing how the analysis handles missing/unknown code */
public abstract class UnknownCode {
native static Object nativeMethod(Object o);
abstract Object abstractMethod(Object o);
static interface Interface {
Object interfaceMethod(Object o);
}
static void propagateViaUnknownConstructorBad() {
String source = (String) InferTaint.inferSecretSource();
// we don't analyze the code for the core Java libraries, so this constructor will be unknown
String unknownConstructor = new String(source);
InferTaint.inferSensitiveSink(unknownConstructor);
}
static void propagateViaUnknownConstructorOk() {
String unknownConstructor = new String("");
InferTaint.inferSensitiveSink(unknownConstructor);
}
void propagateViaUnknownCodeOk(Interface i) {
Object notASource = new Object();
Object launderedSource1 = nativeMethod(notASource);
Object launderedSource2 = abstractMethod(launderedSource1);
Object launderedSource3 = i.interfaceMethod(launderedSource2);
InferTaint.inferSensitiveSink(launderedSource3);
}
static void FN_propagateViaInterfaceCodeBad(Interface i) {
Object source = InferTaint.inferSecretSource();
Object launderedSource = i.interfaceMethod(source);
InferTaint.inferSensitiveSink(launderedSource);
}
void FN_propagateViaUnknownNativeCodeBad() {
Object source = InferTaint.inferSecretSource();
Object launderedSource = nativeMethod(source);
InferTaint.inferSensitiveSink(launderedSource);
}
static void FN_propagateViaUnknownAbstractCodeBad() {
Object source = InferTaint.inferSecretSource();
Object launderedSource = nativeMethod(source);
InferTaint.inferSensitiveSink(launderedSource);
}
}