am 37b58a42: SECURITY: Don\'t pass a usable Pending Intent to 3rd parties.

* commit '37b58a420ff59254cbe9420c64685fdb7ea4e375':
  SECURITY: Don't pass a usable Pending Intent to 3rd parties.
This commit is contained in:
Carlos Valdivia
2014-09-11 16:37:09 +00:00
committed by Android Git Automerger

View File

@@ -23,6 +23,7 @@ import android.accounts.AuthenticatorException;
import android.accounts.OperationCanceledException;
import android.app.Activity;
import android.app.PendingIntent;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
@@ -62,6 +63,7 @@ public class AddAccountSettings extends Activity {
* application.
*/
private static final String KEY_CALLER_IDENTITY = "pendingIntent";
private static final String SHOULD_NOT_RESOLVE = "SHOULDN'T RESOLVE!";
private static final String TAG = "AccountSettings";
@@ -184,7 +186,21 @@ public class AddAccountSettings extends Activity {
private void addAccount(String accountType) {
Bundle addAccountOptions = new Bundle();
mPendingIntent = PendingIntent.getBroadcast(this, 0, new Intent(), 0);
/*
* The identityIntent is for the purposes of establishing the identity
* of the caller and isn't intended for launching activities, services
* or broadcasts.
*
* Unfortunately for legacy reasons we still need to support this. But
* we can cripple the intent so that 3rd party authenticators can't
* fill in addressing information and launch arbitrary actions.
*/
Intent identityIntent = new Intent();
identityIntent.setComponent(new ComponentName(SHOULD_NOT_RESOLVE, SHOULD_NOT_RESOLVE));
identityIntent.setAction(SHOULD_NOT_RESOLVE);
identityIntent.addCategory(SHOULD_NOT_RESOLVE);
mPendingIntent = PendingIntent.getBroadcast(this, 0, identityIntent, 0);
addAccountOptions.putParcelable(KEY_CALLER_IDENTITY, mPendingIntent);
addAccountOptions.putBoolean(EXTRA_HAS_MULTIPLE_USERS, Utils.hasMultipleUsers(this));
AccountManager.get(this).addAccount(