Add IntentModel for starting the analysis at an Intent

This commit is contained in:
Tobias Blaschke 2014-02-12 22:37:57 +01:00 committed by Juergen Graf
parent 00d711dd64
commit 7aed4b5095
4 changed files with 158 additions and 2 deletions

View File

@ -376,7 +376,7 @@ public class AndroidModel /* makes SummarizedMethod */
application = tmpApp;
} else {
// Generate a real one?
logger.warn("I didn't get an application");
logger.warn("I didn't get an application. Generating a new object.");
application = paramManager.getUnmanaged(AndroidTypes.Application, "app");
this.body.addConstant(application.getNumber(), new ConstantValue(null));
application.setAssigned();

View File

@ -128,7 +128,7 @@ public final /* singleton */ class AndroidModelClass extends SyntheticClass {
@Override
public IMethod getMethod(Selector selector) {
assert (macroModel != null) : "Macro Model was not set yet!";
if (macroModel.getSelector().equals(selector)) {
return macroModel;
}

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@ -0,0 +1,154 @@
/*
* Copyright (c) 2013,
* Tobias Blaschke <code@tobiasblaschke.de>
* All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The names of the contributors may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package com.ibm.wala.dalvik.ipa.callgraph.androidModel;
import com.ibm.wala.util.strings.Atom;
import com.ibm.wala.types.Descriptor;
import com.ibm.wala.types.MethodReference;
import com.ibm.wala.types.TypeReference;
import com.ibm.wala.types.TypeName;
import com.ibm.wala.types.Selector;
import com.ibm.wala.ipa.callgraph.impl.FakeRootClass;
import com.ibm.wala.dalvik.ipa.callgraph.propagation.cfa.IntentStarters.StartInfo;
import com.ibm.wala.dalvik.ipa.callgraph.propagation.cfa.IntentStarters.StarterFlags;
import com.ibm.wala.dalvik.util.AndroidTypes;
import com.ibm.wala.types.FieldReference;
import com.ibm.wala.ipa.summaries.SummarizedMethod;
import com.ibm.wala.ipa.summaries.MethodSummary;
import com.ibm.wala.classLoader.JavaLanguage.JavaInstructionFactory;
import com.ibm.wala.ssa.SSAInstruction;
import com.ibm.wala.ssa.SSAAbstractInvokeInstruction;
import com.ibm.wala.classLoader.CallSiteReference;
import com.ibm.wala.classLoader.NewSiteReference;
import com.ibm.wala.ssa.SSANewInstruction;
import com.ibm.wala.ssa.SSAPhiInstruction;
import com.ibm.wala.ssa.ConstantValue;
import com.ibm.wala.shrikeBT.IInvokeInstruction;
import com.ibm.wala.types.ClassLoaderReference;
import com.ibm.wala.ipa.callgraph.AnalysisOptions;
import com.ibm.wala.ipa.callgraph.AnalysisCache;
import com.ibm.wala.ipa.cha.IClassHierarchy;
import com.ibm.wala.ipa.callgraph.Entrypoint;
import com.ibm.wala.dalvik.ipa.callgraph.impl.AndroidEntryPoint;
import com.ibm.wala.classLoader.IClass;
import com.ibm.wala.ipa.callgraph.MethodTargetSelector;
import com.ibm.wala.ipa.summaries.BypassMethodTargetSelector;
import com.ibm.wala.ipa.summaries.BypassSyntheticClassLoader;
import com.ibm.wala.types.ClassLoaderReference;
import com.ibm.wala.ssa.IR;
import com.ibm.wala.ipa.callgraph.Context;
import com.ibm.wala.ssa.SSAOptions;
import java.util.Collection;
import java.util.Collections;
import java.util.Set;
import java.util.Map;
import java.util.HashMap;
import com.ibm.wala.util.CancelException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.slf4j.helpers.NOPLogger;
import com.ibm.wala.util.collections.HashMapFactory;
import com.ibm.wala.ipa.callgraph.Context;
import com.ibm.wala.ipa.callgraph.ContextKey;
import com.ibm.wala.classLoader.IMethod;
import com.ibm.wala.ipa.callgraph.CGNode;
import com.ibm.wala.ipa.summaries.VolatileMethodSummary;
/**
* Like MicroModel but includes CallBacks.
*
* @author Tobias Blaschke <code@tobiasblaschke.de>
* @since 2014-02-12
*/
public class IntentModel extends AndroidModel {
private static Logger logger = LoggerFactory.getLogger(IntentModel.class);
public final Atom name;
public final Atom target;
private SummarizedMethod activityModel;
/**
* Restrict the model to Activities.
*
* {@inheritDoc}
*/
protected boolean selectEntryPoint(AndroidEntryPoint ep) {
return ep.isMemberOf(this.target);
}
public IntentModel(final IClassHierarchy cha, final AnalysisOptions options, final AnalysisCache cache, Atom target) {
super(cha, options, cache);
this.target = target;
this.name = Atom.concat(Atom.findOrCreateAsciiAtom("intent"), target.right(target.rIndex((byte)'/') - 1));
logger.info("Model for {}", target);
logger.debug("Will be known as {}/{}.", AndroidModelClass.ANDROID_MODEL_CLASS.getName(), this.name);
}
private void register(SummarizedMethod model) {
AndroidModelClass mClass = AndroidModelClass.getInstance(cha);
if (!(mClass.containsMethod(model.getSelector()))) {
mClass.addMethod(model);
}
}
@Override
public Atom getName() {
return this.name;
}
@Override
public SummarizedMethod getMethod() throws CancelException {
/*AndroidModelClass mClass = AndroidModelClass.getInstance(cha);
if (mClass.containsMethod(null)) {
Selector sel = new Selector(this.name
return mClass.getMethod();
}*/
if (!built) {
super.build(this.name);
this.register(super.model);
}
return super.model;
}
}

View File

@ -125,12 +125,14 @@ public class IntentContextInterpreter implements SSAContextInterpreter {
throw new IllegalArgumentException("node is null");
}
assert understands(node); // Should already have been checked before
logger.info("IntentContextInterpreter - Retreiving IR of " + node.getMethod().getSignature());
{
// TODO: CACHE!
final Context ctx = node.getContext();
if (ctx.get(Intent.INTENT_KEY) != null) {
logger.debug("Got an Intent-Context");
try { // Translate CancelException to IllegalStateException
final Intent inIntent = (Intent) ctx.get(Intent.INTENT_KEY); // Intent without overrides
final Intent intent = AndroidEntryPointManager.MANAGER.getIntent(inIntent); // Apply overrides