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Commit 21e03356 authored by Jack Yu's avatar Jack Yu
Browse files

Added FLAG_IMMUTABLE flag for security purposes 

Prevent the intent to be altered by the maleware.

Bug: 155094269
Test: Telephony sanity tests

Merged-In: Ice6e438eb437d377f8c5f26891938302fcb0c8d4
Change-Id: Ice6e438eb437d377f8c5f26891938302fcb0c8d4
parent 2c395757

src/java/com/android/internal/telephony/dataconnection/DcTracker.java

+3 −3
Original line number Diff line number Diff line
@@ -2417,7 +2417,7 @@ public class DcTracker extends Handler { 
        }



        PendingIntent alarmIntent = PendingIntent.getBroadcast(mPhone.getContext(), 0,

                                        intent, PendingIntent.FLAG_UPDATE_CURRENT);

                intent, PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_IMMUTABLE);

        apnContext.setReconnectIntent(alarmIntent);



        // Use the exact timer instead of the inexact one to provide better user experience.
@@ -4869,7 +4869,7 @@ public class DcTracker extends Handler { 
            Intent intent = new Intent(INTENT_DATA_STALL_ALARM);

            intent.putExtra(DATA_STALL_ALARM_TAG_EXTRA, mDataStallAlarmTag);

            mDataStallAlarmIntent = PendingIntent.getBroadcast(mPhone.getContext(), 0, intent,

                    PendingIntent.FLAG_UPDATE_CURRENT);

                    PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_IMMUTABLE);

            mAlarmManager.set(AlarmManager.ELAPSED_REALTIME,

                    SystemClock.elapsedRealtime() + delayInMs, mDataStallAlarmIntent);

        } else {
@@ -4939,7 +4939,7 @@ public class DcTracker extends Handler { 
        Intent intent = new Intent(INTENT_PROVISIONING_APN_ALARM);

        intent.putExtra(PROVISIONING_APN_ALARM_TAG_EXTRA, mProvisioningApnAlarmTag);

        mProvisioningApnAlarmIntent = PendingIntent.getBroadcast(mPhone.getContext(), 0, intent,

                PendingIntent.FLAG_UPDATE_CURRENT);

                PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_IMMUTABLE);

        mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP,

                SystemClock.elapsedRealtime() + delayInMs, mProvisioningApnAlarmIntent);

    }