Parsing of CDMA MMS notification carried by SMS (9adc2bf8) · Commits · e / os / android_frameworks_opt_telephony

src/java/com/android/internal/telephony/cdma/CdmaInboundSmsHandler.java

+12 −0

Original line number	Diff line number	Diff line
		@@ -168,6 +168,10 @@ public class CdmaInboundSmsHandler extends InboundSmsHandler {
		// handled below, after storage check
		break;

		case SmsEnvelope.TELESERVICE_CT_WAP:
		// handled below, after TELESERVICE_WAP
		break;

		default:
		loge("unsupported teleservice 0x" + Integer.toHexString(teleService));
		return Intents.RESULT_SMS_UNSUPPORTED;
		@@ -184,6 +188,14 @@ public class CdmaInboundSmsHandler extends InboundSmsHandler {
		if (SmsEnvelope.TELESERVICE_WAP == teleService) {
		return processCdmaWapPdu(sms.getUserData(), sms.mMessageRef,
		sms.getOriginatingAddress(), sms.getTimestampMillis());
		} else if (SmsEnvelope.TELESERVICE_CT_WAP == teleService) {
		/* China Telecom WDP header contains Message identifier
		and User data subparametrs extract these fields */
		if (!sms.processCdmaCTWdpHeader(sms)) {
		return Intents.RESULT_SMS_HANDLED;
		}
		return processCdmaWapPdu(sms.getUserData(), sms.mMessageRef,
		sms.getOriginatingAddress(), sms.getTimestampMillis());
		}

		return dispatchNormalMessage(smsb);

src/java/com/android/internal/telephony/cdma/SmsMessage.java

+57 −0

Original line number	Diff line number	Diff line
		@@ -1049,4 +1049,61 @@ public class SmsMessage extends SmsMessageBase {
		public ArrayList<CdmaSmsCbProgramData> getSmsCbProgramData() {
		return mBearerData.serviceCategoryProgramData;
		}

		/**
		* CT WDP header contains WDP Msg Identifier and WDP Userdata
		*/
		protected boolean processCdmaCTWdpHeader(SmsMessage sms) {
		int subparamId = 0;
		int subParamLen = 0;
		int msgID = 0;
		boolean decodeSuccess = false;
		try {
		BitwiseInputStream inStream = new BitwiseInputStream(sms.getUserData());

		/* Decode WDP Messsage Identifier */
		subparamId = inStream.read(8);
		if (subparamId != 0) {
		Rlog.e(LOG_TAG, "Invalid WDP SubparameterId");
		return false;
		}
		subParamLen = inStream.read(8);
		if (subParamLen != 3) {
		Rlog.e(LOG_TAG, "Invalid WDP subparameter length");
		return false;
		}
		sms.mBearerData.messageType = inStream.read(4);
		msgID = inStream.read(8) << 8;
		msgID \|= inStream.read(8);
		sms.mBearerData.hasUserDataHeader = (inStream.read(1) == 1);
		if (sms.mBearerData.hasUserDataHeader) {
		Rlog.e(LOG_TAG, "Invalid WDP UserData header value");
		return false;
		}
		inStream.skip(3);
		sms.mBearerData.messageId = msgID;
		sms.mMessageRef = msgID;

		/* Decode WDP User Data */
		subparamId = inStream.read(8);
		subParamLen = inStream.read(8) * 8;
		sms.mBearerData.userData.msgEncoding = inStream.read(5);
		int consumedBits = 5;
		if (sms.mBearerData.userData.msgEncoding != 0) {
		Rlog.e(LOG_TAG, "Invalid WDP encoding");
		return false;
		}
		sms.mBearerData.userData.numFields = inStream.read(8);
		consumedBits += 8;
		int remainingBits = subParamLen - consumedBits;
		int dataBits = sms.mBearerData.userData.numFields * 8;
		dataBits = dataBits < remainingBits ? dataBits : remainingBits;
		sms.mBearerData.userData.payload = inStream.readByteArray(dataBits);
		sms.mUserData = sms.mBearerData.userData.payload;
		decodeSuccess = true;
		} catch (BitwiseInputStream.AccessException ex) {
		Rlog.e(LOG_TAG, "CT WDP Header decode failed: " + ex);
		}
		return decodeSuccess;
		}
		}

src/java/com/android/internal/telephony/cdma/sms/SmsEnvelope.java

+1 −0

Original line number	Diff line number	Diff line
		@@ -38,6 +38,7 @@ public final class SmsEnvelope {
		static public final int TELESERVICE_WAP = 0x1004;
		static public final int TELESERVICE_WEMT = 0x1005;
		static public final int TELESERVICE_SCPT = 0x1006;
		static public final int TELESERVICE_CT_WAP = 0xFDEA;

		/**
		* The following are defined as extensions to the standard teleservices