redirect RIL_UNSOL_OEM_HOOK_RAW to system app

Add LISTEN_OEM_HOOK_RAW_EVENT and onOemHookRawEvent to PhoneStateListener.

Bug: 17298769
Change-Id: Iaea054d3cc2925eea1e11f8871faabc7bc9dfb2d

Author: New Author Steven Liu

services/core/java/com/android/server/TelephonyRegistry.java

@@ -1068,6 +1068,30 @@ public void notifyVoLteServiceStateChanged(VoLteServiceState lteState) {
         }
     }
 
+    public void notifyOemHookRawEventForSubscriber(long subId, byte[] rawData) {
+        if (!checkNotifyPermission("notifyOemHookRawEventForSubscriber")) {
+            return;
+        }
+
+        synchronized (mRecords) {
+            for (Record r : mRecords) {
+                if (VDBG) {
+                    log("notifyOemHookRawEventForSubscriber:  r=" + r + " subId=" + subId);
+                }
+                if (((r.events & PhoneStateListener.LISTEN_OEM_HOOK_RAW_EVENT) != 0) &&
+                        ((r.subId == subId) ||
+                        (r.subId == SubscriptionManager.DEFAULT_SUB_ID))) {
+                    try {
+                        r.callback.onOemHookRawEvent(rawData);
+                    } catch (RemoteException ex) {
+                        mRemoveList.add(r.binder);
+                    }
+                }
+            }
+            handleRemoveListLocked();
+        }
+    }
+
     @Override
     public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
         if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
@@ -1277,6 +1301,11 @@ private void checkListenerPermission(int events) {
                     android.Manifest.permission.READ_PRECISE_PHONE_STATE, null);
 
         }
+
+        if ((events & PhoneStateListener.LISTEN_OEM_HOOK_RAW_EVENT) != 0) {
+            mContext.enforceCallingOrSelfPermission(
+                    android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE, null);
+        }
     }
 
     private void handleRemoveListLocked() {

telephony/java/android/telephony/PhoneStateListener.java

@@ -212,6 +212,14 @@ public class PhoneStateListener {
      */
     public static final int LISTEN_VOLTE_STATE                              = 0x00004000;
 
+    /**
+     * Listen for OEM hook raw event
+     *
+     * @see #onOemHookRawEvent
+     * @hide
+     */
+    public static final int LISTEN_OEM_HOOK_RAW_EVENT                       = 0x00008000;
+
      /*
      * Subscription used to listen to the phone state changes
      * @hide
@@ -312,6 +320,10 @@ public void handleMessage(Message msg) {
                     case LISTEN_VOLTE_STATE:
                         PhoneStateListener.this.onVoLteServiceStateChanged((VoLteServiceState)msg.obj);
                         break;
+                    case LISTEN_OEM_HOOK_RAW_EVENT:
+                        PhoneStateListener.this.onOemHookRawEvent((byte[])msg.obj);
+                        break;
+
                 }
             }
         };
@@ -479,6 +491,16 @@ public void onDataConnectionRealTimeInfoChanged(
     public void onVoLteServiceStateChanged(VoLteServiceState stateInfo) {
     }
 
+    /**
+     * Callback invoked when OEM hook raw event is received. Requires
+     * the READ_PRIVILEGED_PHONE_STATE permission.
+     * @param rawData is the byte array of the OEM hook raw data.
+     * @hide
+     */
+    public void onOemHookRawEvent(byte[] rawData) {
+        // default implementation empty
+    }
+
     /**
      * The callback methods need to be called on the handler thread where
      * this object was created.  If the binder did that for us it'd be nice.
@@ -551,6 +573,10 @@ public void onDataConnectionRealTimeInfoChanged(
         public void onVoLteServiceStateChanged(VoLteServiceState lteState) {
             Message.obtain(mHandler, LISTEN_VOLTE_STATE, 0, 0, lteState).sendToTarget();
         }
+
+        public void onOemHookRawEvent(byte[] rawData) {
+            Message.obtain(mHandler, LISTEN_OEM_HOOK_RAW_EVENT, 0, 0, rawData).sendToTarget();
+        }
     };
 
     private void log(String s) {

telephony/java/com/android/internal/telephony/IPhoneStateListener.aidl

@@ -43,5 +43,6 @@ oneway interface IPhoneStateListener {
     void onPreciseDataConnectionStateChanged(in PreciseDataConnectionState dataConnectionState);
     void onDataConnectionRealTimeInfoChanged(in DataConnectionRealTimeInfo dcRtInfo);
     void onVoLteServiceStateChanged(in VoLteServiceState lteState);
+    void onOemHookRawEvent(in byte[] rawData);
 }
 

telephony/java/com/android/internal/telephony/ITelephonyRegistry.aidl

@@ -62,4 +62,5 @@ interface ITelephonyRegistry {
     void notifyCellInfoForSubscriber(in long subId, in List<CellInfo> cellInfo);
     void notifyDataConnectionRealTimeInfo(in DataConnectionRealTimeInfo dcRtInfo);
     void notifyVoLteServiceStateChanged(in VoLteServiceState lteState);
+    void notifyOemHookRawEventForSubscriber(in long subId, in byte[] rawData);
 }