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/*
* 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.IntentSender.SendIntentException;
import android.content.res.Resources;
import android.net.Uri;
import android.os.Bundle;
import com.facebook.infer.builtins.InferTaint;
import org.xmlpull.v1.XmlPullParserException;
class IntentSubclass extends Intent {
}
abstract class ContextSubclass extends Context {
}
class MyActivity extends Activity {
@Override
// intent is modeled as tainted
public void onActivityResult(int requestCode, int resultCode, Intent intent) {
startService(intent);
}
@Override
// intent is modeled as tainted
public void onNewIntent(Intent intent) {
startService(intent);
}
}
public class Intents {
private native int rand();
public void callAllActivitySinksBad(Activity activity, String uri) throws
SendIntentException, IOException, URISyntaxException, XmlPullParserException {
Intent intent = (Intent) InferTaint.inferSecretSource();
activity.bindService(intent, null, 0);
activity.sendBroadcast(intent);
activity.sendBroadcastAsUser(intent, null);
activity.sendOrderedBroadcast(intent, null);
activity.sendOrderedBroadcastAsUser(intent, null, null, null, null, 0, null, 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.startIntentSender(null, intent, 0, 0, 0);
activity.startIntentSenderForResult(null, 0, intent, 0, 0, 0);
activity.startIntentSenderFromChild(null, null, 0, intent, 0, 0, 0);
activity.startService(intent);
activity.stopService(intent); // 20 sinks, 20 expected reports
}
public void callAllIntentSinksBad(Intent cleanIntent) throws
IOException, URISyntaxException, XmlPullParserException {
String taintedString = cleanIntent.getStringExtra("");
Intent taintedIntent = (Intent) InferTaint.inferSecretSource();
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
}
// make sure the rules apply to subclasses of Intent and Context too
void subclassCallBad(IntentSubclass intent, ContextSubclass context) {
String taintedString = (String) InferTaint.inferSecretSource();
intent.setAction(taintedString);
context.startActivity(intent);
}
void reuseIntentBad(Activity activity) {
activity.startActivity(activity.getIntent());
}
}