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47 lines
1.4 KiB
47 lines
1.4 KiB
8 years ago
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/*
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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 class UnknownCode {
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native static Object id(Object o);
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public UnknownCode() {}
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static void propagateViaUnknownCodeBad() {
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Object source = InferTaint.inferSecretSource();
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Object launderedSource = id(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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static void propagateViaUnknownCodeOk() {
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Object notASource = new UnknownCode();
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Object launderedSource = id(notASource);
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InferTaint.inferSensitiveSink(launderedSource);
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}
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}
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