Block SMS service for non-sms-capable device.

If device doesn't support sms service, SMSDispatcher
will ignore incoming SMS in dispatching messge and return
ERROR_NO_SERVICE in sending sms messgae.

bug: 3250029
bug: 3038102
Change-Id: Ic72a9192aa128c43cf31da04907620bc680656c6

4 files changed, 52 insertions, 2 deletions

diff --git a/telephony/java/android/telephony/TelephonyManager.java b/telephony/java/android/telephony/TelephonyManager.java
index 38f57c9..4424e5b 100644
--- a/telephony/java/android/telephony/TelephonyManager.java
+++ b/telephony/java/android/telephony/TelephonyManager.java
@@ -954,4 +954,20 @@ public class TelephonyManager {
         return mContext.getResources().getBoolean(
                 com.android.internal.R.bool.config_voice_capable);
     }
+
+    /**
+     * @return true if the current device supports sms service.
+     * <p>
+     * If true, this means that the device supports both sending and
+     * receiving sms via the telephony network.
+     * <p>
+     * Note: Voicemail waiting sms, cell broadcasting sms, and MMS are
+     *       disabled when device doesn't support sms.
+     *
+     * @hide pending API review
+     */
+    public boolean isSmsCapable() {
+        return mContext.getResources().getBoolean(
+                com.android.internal.R.bool.config_sms_capable);
+    }
 }
diff --git a/telephony/java/com/android/internal/telephony/SMSDispatcher.java b/telephony/java/com/android/internal/telephony/SMSDispatcher.java
index ec49a19..e7cfe75 100644
--- a/telephony/java/com/android/internal/telephony/SMSDispatcher.java
+++ b/telephony/java/com/android/internal/telephony/SMSDispatcher.java
@@ -156,6 +156,9 @@ public abstract class SMSDispatcher extends Handler {
     protected boolean mStorageAvailable = true;
     protected boolean mReportMemoryStatusPending = false;
 
+    /* Flag indicating whether the current device allows sms service */
+    protected boolean mSmsCapable = true;
+
     protected static int getNextConcatenatedRef() {
         sConcatenatedRef += 1;
         return sConcatenatedRef;
@@ -249,6 +252,9 @@ public abstract class SMSDispatcher extends Handler {
         filter.addAction(Intent.ACTION_DEVICE_STORAGE_FULL);
         filter.addAction(Intent.ACTION_DEVICE_STORAGE_NOT_FULL);
         mContext.registerReceiver(mResultReceiver, filter);
+
+        mSmsCapable = mContext.getResources().getBoolean(
+                com.android.internal.R.bool.config_sms_capable);
     }
 
     public void dispose() {
@@ -682,6 +688,7 @@ public abstract class SMSDispatcher extends Handler {
      *  <code>RESULT_ERROR_GENERIC_FAILURE</code><br>
      *  <code>RESULT_ERROR_RADIO_OFF</code><br>
      *  <code>RESULT_ERROR_NULL_PDU</code><br>
+     *  <code>RESULT_ERROR_NO_SERVICE</code><br>.
      *  For <code>RESULT_ERROR_GENERIC_FAILURE</code> the sentIntent may include
      *  the extra "errorCode" containing a radio technology specific value,
      *  generally only useful for troubleshooting.<br>
@@ -709,6 +716,7 @@ public abstract class SMSDispatcher extends Handler {
      *  <code>RESULT_ERROR_GENERIC_FAILURE</code><br>
      *  <code>RESULT_ERROR_RADIO_OFF</code><br>
      *  <code>RESULT_ERROR_NULL_PDU</code><br>
+     *  <code>RESULT_ERROR_NO_SERVICE</code><br>.
      *  For <code>RESULT_ERROR_GENERIC_FAILURE</code> the sentIntent may include
      *  the extra "errorCode" containing a radio technology specific value,
      *  generally only useful for troubleshooting.<br>
@@ -737,7 +745,8 @@ public abstract class SMSDispatcher extends Handler {
      *   or one of these errors:
      *   <code>RESULT_ERROR_GENERIC_FAILURE</code>
      *   <code>RESULT_ERROR_RADIO_OFF</code>
-     *   <code>RESULT_ERROR_NULL_PDU</code>.
+     *   <code>RESULT_ERROR_NULL_PDU</code>
+     *   <code>RESULT_ERROR_NO_SERVICE</code>.
      *  The per-application based SMS control checks sentIntent. If sentIntent
      *  is NULL the caller will be checked against all unknown applications,
      *  which cause smaller number of SMS to be sent in checking period.
@@ -763,7 +772,8 @@ public abstract class SMSDispatcher extends Handler {
      *  or one of these errors:
      *  <code>RESULT_ERROR_GENERIC_FAILURE</code>
      *  <code>RESULT_ERROR_RADIO_OFF</code>
-     *  <code>RESULT_ERROR_NULL_PDU</code>.
+     *  <code>RESULT_ERROR_NULL_PDU</code>
+     *  <code>RESULT_ERROR_NO_SERVICE</code>.
      *  The per-application based SMS control checks sentIntent. If sentIntent
      *  is NULL the caller will be checked against all unknown applications,
      *  which cause smaller number of SMS to be sent in checking period.
@@ -773,6 +783,16 @@ public abstract class SMSDispatcher extends Handler {
      */
     protected void sendRawPdu(byte[] smsc, byte[] pdu, PendingIntent sentIntent,
             PendingIntent deliveryIntent) {
+        if (!mSmsCapable) {
+            if (sentIntent != null) {
+                try {
+                    sentIntent.send(RESULT_ERROR_NO_SERVICE);
+                } catch (CanceledException ex) {}
+            }
+            Log.d(TAG, "Device does not support sms service.");
+            return;
+        }
+
         if (pdu == null) {
             if (sentIntent != null) {
                 try {
diff --git a/telephony/java/com/android/internal/telephony/cdma/CdmaSMSDispatcher.java b/telephony/java/com/android/internal/telephony/cdma/CdmaSMSDispatcher.java
index 53555d8..01234b0 100644
--- a/telephony/java/com/android/internal/telephony/cdma/CdmaSMSDispatcher.java
+++ b/telephony/java/com/android/internal/telephony/cdma/CdmaSMSDispatcher.java
@@ -107,6 +107,13 @@ final class CdmaSMSDispatcher extends SMSDispatcher {
             return Activity.RESULT_OK;
         }
 
+        if (!mSmsCapable) {
+            // Device doesn't support SMS service,
+            Log.d(TAG, "Received short message on device which doesn't support "
+                    + "SMS service. Ignored.");
+            return Intents.RESULT_SMS_HANDLED;
+        }
+
         // See if we have a network duplicate SMS.
         SmsMessage sms = (SmsMessage) smsb;
         mLastDispatchedSmsFingerprint = sms.getIncomingSmsFingerprint();
diff --git a/telephony/java/com/android/internal/telephony/gsm/GsmSMSDispatcher.java b/telephony/java/com/android/internal/telephony/gsm/GsmSMSDispatcher.java
index 70f8f86..497c552 100644
--- a/telephony/java/com/android/internal/telephony/gsm/GsmSMSDispatcher.java
+++ b/telephony/java/com/android/internal/telephony/gsm/GsmSMSDispatcher.java
@@ -110,6 +110,13 @@ final class GsmSMSDispatcher extends SMSDispatcher {
             return Intents.RESULT_SMS_HANDLED;
         }
 
+        if (!mSmsCapable) {
+            // Device doesn't support SMS service,
+            Log.d(TAG, "Received short message on device which doesn't support "
+                    + "SMS service. Ignored.");
+            return Intents.RESULT_SMS_HANDLED;
+        }
+
         // Special case the message waiting indicator messages
         if (sms.isMWISetMessage()) {
             mGsmPhone.updateMessageWaitingIndicator(true);