/* * Copyright (c) 2015 - 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 java.io.IOException; import java.net.URISyntaxException; import android.app.Activity; import android.content.Context; import android.content.Intent; import android.content.res.Resources; import android.net.Uri; import android.os.Bundle; import com.facebook.infer.builtins.InferTaint; import org.xmlpull.v1.XmlPullParserException; public class Intents { private native int rand(); public void callAllActivitySinksBad(Activity activity, String uri) throws IOException, URISyntaxException, XmlPullParserException { Intent intent = null; switch (rand()) { case 1: intent = Intent.parseUri(null, 0); break; case 2: intent = Intent.parseIntent(null, null, null); break; } activity.bindService(intent, null, 0); activity.sendBroadcast(intent); activity.sendBroadcastAsUser(intent, null); activity.sendOrderedBroadcast(intent, null); activity.sendStickyBroadcast(intent); activity.sendStickyBroadcastAsUser(intent, null); activity.sendStickyOrderedBroadcast(intent, null, null, 0, null, null); activity.sendStickyOrderedBroadcastAsUser(intent, null, null, null, 0, null, null); activity.startActivities(new Intent[] { intent }); activity.startActivity(intent); activity.startActivityForResult(intent, 0); activity.startActivityIfNeeded(intent, 0); activity.startActivityFromChild(null, intent, 0); activity.startActivityFromFragment(null, intent, 0); activity.startService(intent); // 2 sinks * 15 sources = 30 expected reports } public void callAllIntentSinksBad(Intent cleanIntent) throws IOException, URISyntaxException, XmlPullParserException { String taintedString = cleanIntent.getStringExtra(""); Intent taintedIntent = Intent.parseUri(null, 0); Resources taintedResources = (Resources) ((Object) taintedString); Uri taintedUri = taintedIntent.getData(); Intent intent = new Intent(); intent.fillIn(taintedIntent, 0); intent.makeMainSelectorActivity(taintedString, null); intent.parseIntent(taintedResources, null, null); intent.parseUri(taintedString, 0); intent.replaceExtras(taintedIntent); intent.setAction(taintedString); intent.setClassName(taintedString, null); intent.setData(taintedUri); intent.setDataAndNormalize(taintedUri); intent.setDataAndType(taintedUri, null); intent.setDataAndTypeAndNormalize(taintedUri, null); intent.setPackage(taintedString); intent.setSelector(taintedIntent); intent.setType(taintedString); intent.setTypeAndNormalize(taintedString); // 15 sinks, 15 expected reports } }