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