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68 lines
1.4 KiB
68 lines
1.4 KiB
/*
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* Copyright (c) 2016-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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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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/** making sure the traces we report respect control-flow */
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class FlowSensitivity {
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static class Obj {
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Object f;
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}
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static void callSink(Obj o) {
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InferTaint.inferSensitiveSink(o.f);
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}
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static void returnSource(Obj o) {
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o.f = InferTaint.inferSecretSource();
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}
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static void interproceduralFlowSensitivityOk1(Obj o) {
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InferTaint.inferSensitiveSink(o.f);
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returnSource(o);
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}
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static void interproceduralFlowSensitivityOk2(Obj o) {
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callSink(o);
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o.f = InferTaint.inferSecretSource();
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}
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static void interproceduralFlowSensitivityOk3(Obj o) {
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callSink(o);
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returnSource(o);
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}
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static void interproceduralFlowSensitivityBad(Obj o) {
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returnSource(o);
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callSink(o);
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}
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static void sourceAndSink(Obj o) {
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InferTaint.inferSensitiveSink(o.f);
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o.f = InferTaint.inferSecretSource();
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}
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static void callSourceAndSinkOk(Obj o) {
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sourceAndSink(o);
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}
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static void callSourceAndSinkBad1(Obj o) {
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sourceAndSink(o);
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InferTaint.inferSensitiveSink(o.f);
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}
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static void callSourceAndSinkBad2(Obj o) {
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o.f = InferTaint.inferSecretSource();
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sourceAndSink(o);
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}
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}
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