/** * Dispatches inbound messages that are in the WAP PDU format. See wap-230-wsp-20010705-a section * 8 for details on the WAP PDU format. * * @param pdu The WAP PDU, made up of one or more SMS PDUs * @return a result code from {@link android.provider.Telephony.Sms.Intents}, or {@link * Activity#RESULT_OK} if the message has been broadcast to applications */ public int dispatchWapPdu(byte[] pdu, BroadcastReceiver receiver, InboundSmsHandler handler) { if (DBG) Rlog.d(TAG, "Rx: " + IccUtils.bytesToHexString(pdu)); try { int index = 0; int transactionId = pdu[index++] & 0xFF; int pduType = pdu[index++] & 0xFF; // Should we "abort" if no subId for now just no supplying extra param below int phoneId = handler.getPhone().getPhoneId(); if ((pduType != WspTypeDecoder.PDU_TYPE_PUSH) && (pduType != WspTypeDecoder.PDU_TYPE_CONFIRMED_PUSH)) { index = mContext .getResources() .getInteger(com.android.internal.R.integer.config_valid_wappush_index); if (index != -1) { transactionId = pdu[index++] & 0xff; pduType = pdu[index++] & 0xff; if (DBG) Rlog.d( TAG, "index = " + index + " PDU Type = " + pduType + " transactionID = " + transactionId); // recheck wap push pduType if ((pduType != WspTypeDecoder.PDU_TYPE_PUSH) && (pduType != WspTypeDecoder.PDU_TYPE_CONFIRMED_PUSH)) { if (DBG) Rlog.w(TAG, "Received non-PUSH WAP PDU. Type = " + pduType); return Intents.RESULT_SMS_HANDLED; } } else { if (DBG) Rlog.w(TAG, "Received non-PUSH WAP PDU. Type = " + pduType); return Intents.RESULT_SMS_HANDLED; } } WspTypeDecoder pduDecoder = new WspTypeDecoder(pdu); /** * Parse HeaderLen(unsigned integer). From wap-230-wsp-20010705-a section 8.1.2 The maximum * size of a uintvar is 32 bits. So it will be encoded in no more than 5 octets. */ if (pduDecoder.decodeUintvarInteger(index) == false) { if (DBG) Rlog.w(TAG, "Received PDU. Header Length error."); return Intents.RESULT_SMS_GENERIC_ERROR; } int headerLength = (int) pduDecoder.getValue32(); index += pduDecoder.getDecodedDataLength(); int headerStartIndex = index; /** * Parse Content-Type. From wap-230-wsp-20010705-a section 8.4.2.24 * * <p>Content-type-value = Constrained-media | Content-general-form Content-general-form = * Value-length Media-type Media-type = (Well-known-media | Extension-Media) *(Parameter) * Value-length = Short-length | (Length-quote Length) Short-length = <Any octet 0-30> (octet * <= WAP_PDU_SHORT_LENGTH_MAX) Length-quote = <Octet 31> (WAP_PDU_LENGTH_QUOTE) Length = * Uintvar-integer */ if (pduDecoder.decodeContentType(index) == false) { if (DBG) Rlog.w(TAG, "Received PDU. Header Content-Type error."); return Intents.RESULT_SMS_GENERIC_ERROR; } String mimeType = pduDecoder.getValueString(); long binaryContentType = pduDecoder.getValue32(); index += pduDecoder.getDecodedDataLength(); byte[] header = new byte[headerLength]; System.arraycopy(pdu, headerStartIndex, header, 0, header.length); byte[] intentData; if (mimeType != null && mimeType.equals(WspTypeDecoder.CONTENT_TYPE_B_PUSH_CO)) { intentData = pdu; } else { int dataIndex = headerStartIndex + headerLength; intentData = new byte[pdu.length - dataIndex]; System.arraycopy(pdu, dataIndex, intentData, 0, intentData.length); } if (SmsManager.getDefault().getAutoPersisting()) { // Store the wap push data in telephony long[] subIds = SubscriptionManager.getSubId(phoneId); // FIXME (tomtaylor) - when we've updated SubscriptionManager, change // SubscriptionManager.DEFAULT_SUB_ID to SubscriptionManager.getDefaultSmsSubId() long subId = (subIds != null) && (subIds.length > 0) ? subIds[0] : SmsManager.getDefaultSmsSubId(); writeInboxMessage(subId, intentData); } /** * Seek for application ID field in WSP header. If application ID is found, WapPushManager * substitute the message processing. Since WapPushManager is optional module, if * WapPushManager is not found, legacy message processing will be continued. */ if (pduDecoder.seekXWapApplicationId(index, index + headerLength - 1)) { index = (int) pduDecoder.getValue32(); pduDecoder.decodeXWapApplicationId(index); String wapAppId = pduDecoder.getValueString(); if (wapAppId == null) { wapAppId = Integer.toString((int) pduDecoder.getValue32()); } String contentType = ((mimeType == null) ? Long.toString(binaryContentType) : mimeType); if (DBG) Rlog.v(TAG, "appid found: " + wapAppId + ":" + contentType); try { boolean processFurther = true; IWapPushManager wapPushMan = mWapPushManager; if (wapPushMan == null) { if (DBG) Rlog.w(TAG, "wap push manager not found!"); } else { Intent intent = new Intent(); intent.putExtra("transactionId", transactionId); intent.putExtra("pduType", pduType); intent.putExtra("header", header); intent.putExtra("data", intentData); intent.putExtra("contentTypeParameters", pduDecoder.getContentParameters()); SubscriptionManager.putPhoneIdAndSubIdExtra(intent, phoneId); int procRet = wapPushMan.processMessage(wapAppId, contentType, intent); if (DBG) Rlog.v(TAG, "procRet:" + procRet); if ((procRet & WapPushManagerParams.MESSAGE_HANDLED) > 0 && (procRet & WapPushManagerParams.FURTHER_PROCESSING) == 0) { processFurther = false; } } if (!processFurther) { return Intents.RESULT_SMS_HANDLED; } } catch (RemoteException e) { if (DBG) Rlog.w(TAG, "remote func failed..."); } } if (DBG) Rlog.v(TAG, "fall back to existing handler"); if (mimeType == null) { if (DBG) Rlog.w(TAG, "Header Content-Type error."); return Intents.RESULT_SMS_GENERIC_ERROR; } String permission; int appOp; if (mimeType.equals(WspTypeDecoder.CONTENT_TYPE_B_MMS)) { permission = android.Manifest.permission.RECEIVE_MMS; appOp = AppOpsManager.OP_RECEIVE_MMS; } else { permission = android.Manifest.permission.RECEIVE_WAP_PUSH; appOp = AppOpsManager.OP_RECEIVE_WAP_PUSH; } Intent intent = new Intent(Intents.WAP_PUSH_DELIVER_ACTION); intent.setType(mimeType); intent.putExtra("transactionId", transactionId); intent.putExtra("pduType", pduType); intent.putExtra("header", header); intent.putExtra("data", intentData); intent.putExtra("contentTypeParameters", pduDecoder.getContentParameters()); SubscriptionManager.putPhoneIdAndSubIdExtra(intent, phoneId); // Direct the intent to only the default MMS app. If we can't find a default MMS app // then sent it to all broadcast receivers. ComponentName componentName = SmsApplication.getDefaultMmsApplication(mContext, true); if (componentName != null) { // Deliver MMS message only to this receiver intent.setComponent(componentName); if (DBG) Rlog.v( TAG, "Delivering MMS to: " + componentName.getPackageName() + " " + componentName.getClassName()); } handler.dispatchIntent(intent, permission, appOp, receiver, UserHandle.OWNER); return Activity.RESULT_OK; } catch (ArrayIndexOutOfBoundsException aie) { // 0-byte WAP PDU or other unexpected WAP PDU contents can easily throw this; // log exception string without stack trace and return false. Rlog.e(TAG, "ignoring dispatchWapPdu() array index exception: " + aie); return Intents.RESULT_SMS_GENERIC_ERROR; } }
/** * Dispatches inbound messages that are in the WAP PDU format. See wap-230-wsp-20010705-a section * 8 for details on the WAP PDU format. * * @param pdu The WAP PDU, made up of one or more SMS PDUs * @return a result code from {@link Telephony.Sms.Intents}, or {@link Activity#RESULT_OK} if the * message has been broadcast to applications */ public int dispatchWapPdu(byte[] pdu) { if (false) Log.d(LOG_TAG, "Rx: " + IccUtils.bytesToHexString(pdu)); int index = 0; int transactionId = pdu[index++] & 0xFF; int pduType = pdu[index++] & 0xFF; int headerLength = 0; if ((pduType != WspTypeDecoder.PDU_TYPE_PUSH) && (pduType != WspTypeDecoder.PDU_TYPE_CONFIRMED_PUSH)) { if (false) Log.w(LOG_TAG, "Received non-PUSH WAP PDU. Type = " + pduType); return Intents.RESULT_SMS_HANDLED; } pduDecoder = new WspTypeDecoder(pdu); /** * Parse HeaderLen(unsigned integer). From wap-230-wsp-20010705-a section 8.1.2 The maximum size * of a uintvar is 32 bits. So it will be encoded in no more than 5 octets. */ if (pduDecoder.decodeUintvarInteger(index) == false) { if (false) Log.w(LOG_TAG, "Received PDU. Header Length error."); return Intents.RESULT_SMS_GENERIC_ERROR; } headerLength = (int) pduDecoder.getValue32(); index += pduDecoder.getDecodedDataLength(); int headerStartIndex = index; /** * Parse Content-Type. From wap-230-wsp-20010705-a section 8.4.2.24 * * <p>Content-type-value = Constrained-media | Content-general-form Content-general-form = * Value-length Media-type Media-type = (Well-known-media | Extension-Media) *(Parameter) * Value-length = Short-length | (Length-quote Length) Short-length = <Any octet 0-30> (octet <= * WAP_PDU_SHORT_LENGTH_MAX) Length-quote = <Octet 31> (WAP_PDU_LENGTH_QUOTE) Length = * Uintvar-integer */ if (pduDecoder.decodeContentType(index) == false) { if (false) Log.w(LOG_TAG, "Received PDU. Header Content-Type error."); return Intents.RESULT_SMS_GENERIC_ERROR; } String mimeType = pduDecoder.getValueString(); long binaryContentType = pduDecoder.getValue32(); index += pduDecoder.getDecodedDataLength(); byte[] header = new byte[headerLength]; System.arraycopy(pdu, headerStartIndex, header, 0, header.length); byte[] intentData; if (mimeType != null && mimeType.equals(WspTypeDecoder.CONTENT_TYPE_B_PUSH_CO)) { intentData = pdu; } else { int dataIndex = headerStartIndex + headerLength; intentData = new byte[pdu.length - dataIndex]; System.arraycopy(pdu, dataIndex, intentData, 0, intentData.length); } /** * Seek for application ID field in WSP header. If application ID is found, WapPushManager * substitute the message processing. Since WapPushManager is optional module, if WapPushManager * is not found, legacy message processing will be continued. */ if (pduDecoder.seekXWapApplicationId(index, index + headerLength - 1)) { index = (int) pduDecoder.getValue32(); pduDecoder.decodeXWapApplicationId(index); String wapAppId = pduDecoder.getValueString(); if (wapAppId == null) { wapAppId = Integer.toString((int) pduDecoder.getValue32()); } String contentType = ((mimeType == null) ? Long.toString(binaryContentType) : mimeType); if (false) Log.v(LOG_TAG, "appid found: " + wapAppId + ":" + contentType); try { boolean processFurther = true; IWapPushManager wapPushMan = mWapConn.getWapPushManager(); if (wapPushMan == null) { if (false) Log.w(LOG_TAG, "wap push manager not found!"); } else { Intent intent = new Intent(); intent.putExtra("transactionId", transactionId); intent.putExtra("pduType", pduType); intent.putExtra("header", header); intent.putExtra("data", intentData); intent.putExtra("contentTypeParameters", pduDecoder.getContentParameters()); int procRet = wapPushMan.processMessage(wapAppId, contentType, intent); if (false) Log.v(LOG_TAG, "procRet:" + procRet); if ((procRet & WapPushManagerParams.MESSAGE_HANDLED) > 0 && (procRet & WapPushManagerParams.FURTHER_PROCESSING) == 0) { processFurther = false; } } if (!processFurther) { return Intents.RESULT_SMS_HANDLED; } } catch (RemoteException e) { if (false) Log.w(LOG_TAG, "remote func failed..."); } } if (false) Log.v(LOG_TAG, "fall back to existing handler"); if (mimeType == null) { if (false) Log.w(LOG_TAG, "Header Content-Type error."); return Intents.RESULT_SMS_GENERIC_ERROR; } String permission; if (mimeType.equals(WspTypeDecoder.CONTENT_TYPE_B_MMS)) { permission = "android.permission.RECEIVE_MMS"; } else { permission = "android.permission.RECEIVE_WAP_PUSH"; } Intent intent = new Intent(Intents.WAP_PUSH_RECEIVED_ACTION); intent.setType(mimeType); intent.putExtra("transactionId", transactionId); intent.putExtra("pduType", pduType); intent.putExtra("header", header); intent.putExtra("data", intentData); intent.putExtra("contentTypeParameters", pduDecoder.getContentParameters()); mSmsDispatcher.dispatch(intent, permission); return Activity.RESULT_OK; }