| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.internal.telephony.cdma; |
| |
| |
| import android.app.Activity; |
| import android.app.PendingIntent; |
| import android.app.PendingIntent.CanceledException; |
| import android.content.ContentValues; |
| import android.content.Intent; |
| import android.content.SharedPreferences; |
| import android.database.Cursor; |
| import android.database.SQLException; |
| import android.os.Message; |
| import android.os.SystemProperties; |
| import android.preference.PreferenceManager; |
| import android.provider.Telephony; |
| import android.provider.Telephony.Sms.Intents; |
| import android.telephony.SmsManager; |
| import android.telephony.SmsMessage.MessageClass; |
| import android.util.Log; |
| |
| import com.android.internal.telephony.CommandsInterface; |
| import com.android.internal.telephony.SMSDispatcher; |
| import com.android.internal.telephony.SmsHeader; |
| import com.android.internal.telephony.SmsMessageBase; |
| import com.android.internal.telephony.SmsMessageBase.TextEncodingDetails; |
| import com.android.internal.telephony.SmsStorageMonitor; |
| import com.android.internal.telephony.SmsUsageMonitor; |
| import com.android.internal.telephony.TelephonyProperties; |
| import com.android.internal.telephony.WspTypeDecoder; |
| import com.android.internal.telephony.cdma.sms.SmsEnvelope; |
| import com.android.internal.telephony.cdma.sms.UserData; |
| import com.android.internal.util.HexDump; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.util.Arrays; |
| import java.util.HashMap; |
| |
| import android.content.res.Resources; |
| |
| |
| final class CdmaSMSDispatcher extends SMSDispatcher { |
| private static final String TAG = "CDMA"; |
| |
| private byte[] mLastDispatchedSmsFingerprint; |
| private byte[] mLastAcknowledgedSmsFingerprint; |
| |
| private final boolean mCheckForDuplicatePortsInOmadmWapPush = Resources.getSystem().getBoolean( |
| com.android.internal.R.bool.config_duplicate_port_omadm_wappush); |
| |
| CdmaSMSDispatcher(CDMAPhone phone, SmsStorageMonitor storageMonitor, |
| SmsUsageMonitor usageMonitor) { |
| super(phone, storageMonitor, usageMonitor); |
| mCm.setOnNewCdmaSms(this, EVENT_NEW_SMS, null); |
| } |
| |
| @Override |
| public void dispose() { |
| mCm.unSetOnNewCdmaSms(this); |
| } |
| |
| @Override |
| protected String getFormat() { |
| return android.telephony.SmsMessage.FORMAT_3GPP2; |
| } |
| |
| private void handleCdmaStatusReport(SmsMessage sms) { |
| for (int i = 0, count = deliveryPendingList.size(); i < count; i++) { |
| SmsTracker tracker = deliveryPendingList.get(i); |
| if (tracker.mMessageRef == sms.messageRef) { |
| // Found it. Remove from list and broadcast. |
| deliveryPendingList.remove(i); |
| PendingIntent intent = tracker.mDeliveryIntent; |
| Intent fillIn = new Intent(); |
| fillIn.putExtra("pdu", sms.getPdu()); |
| fillIn.putExtra("format", android.telephony.SmsMessage.FORMAT_3GPP2); |
| try { |
| intent.send(mContext, Activity.RESULT_OK, fillIn); |
| } catch (CanceledException ex) {} |
| break; // Only expect to see one tracker matching this message. |
| } |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public int dispatchMessage(SmsMessageBase smsb) { |
| |
| // If sms is null, means there was a parsing error. |
| if (smsb == null) { |
| Log.e(TAG, "dispatchMessage: message is null"); |
| return Intents.RESULT_SMS_GENERIC_ERROR; |
| } |
| |
| String inEcm=SystemProperties.get(TelephonyProperties.PROPERTY_INECM_MODE, "false"); |
| if (inEcm.equals("true")) { |
| return Activity.RESULT_OK; |
| } |
| |
| if (mSmsReceiveDisabled) { |
| // Device doesn't support receiving SMS, |
| Log.d(TAG, "Received short message on device which doesn't support " |
| + "receiving SMS. Ignored."); |
| return Intents.RESULT_SMS_HANDLED; |
| } |
| |
| // See if we have a network duplicate SMS. |
| SmsMessage sms = (SmsMessage) smsb; |
| mLastDispatchedSmsFingerprint = sms.getIncomingSmsFingerprint(); |
| if (mLastAcknowledgedSmsFingerprint != null && |
| Arrays.equals(mLastDispatchedSmsFingerprint, mLastAcknowledgedSmsFingerprint)) { |
| return Intents.RESULT_SMS_HANDLED; |
| } |
| // Decode BD stream and set sms variables. |
| sms.parseSms(); |
| int teleService = sms.getTeleService(); |
| boolean handled = false; |
| |
| if ((SmsEnvelope.TELESERVICE_VMN == teleService) || |
| (SmsEnvelope.TELESERVICE_MWI == teleService)) { |
| // handling Voicemail |
| int voicemailCount = sms.getNumOfVoicemails(); |
| Log.d(TAG, "Voicemail count=" + voicemailCount); |
| // Store the voicemail count in preferences. |
| SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences( |
| mContext); |
| SharedPreferences.Editor editor = sp.edit(); |
| editor.putInt(CDMAPhone.VM_COUNT_CDMA, voicemailCount); |
| editor.apply(); |
| mPhone.setVoiceMessageWaiting(1, voicemailCount); |
| handled = true; |
| } else if (((SmsEnvelope.TELESERVICE_WMT == teleService) || |
| (SmsEnvelope.TELESERVICE_WEMT == teleService)) && |
| sms.isStatusReportMessage()) { |
| handleCdmaStatusReport(sms); |
| handled = true; |
| } else if ((sms.getUserData() == null)) { |
| if (false) { |
| Log.d(TAG, "Received SMS without user data"); |
| } |
| handled = true; |
| } |
| |
| if (handled) { |
| return Intents.RESULT_SMS_HANDLED; |
| } |
| |
| if (!mStorageMonitor.isStorageAvailable() && |
| sms.getMessageClass() != MessageClass.CLASS_0) { |
| // It's a storable message and there's no storage available. Bail. |
| // (See C.S0015-B v2.0 for a description of "Immediate Display" |
| // messages, which we represent as CLASS_0.) |
| return Intents.RESULT_SMS_OUT_OF_MEMORY; |
| } |
| |
| if (SmsEnvelope.TELESERVICE_WAP == teleService) { |
| return processCdmaWapPdu(sms.getUserData(), sms.messageRef, |
| sms.getOriginatingAddress()); |
| } |
| |
| // Reject (NAK) any messages with teleservice ids that have |
| // not yet been handled and also do not correspond to the two |
| // kinds that are processed below. |
| if ((SmsEnvelope.TELESERVICE_WMT != teleService) && |
| (SmsEnvelope.TELESERVICE_WEMT != teleService) && |
| (SmsEnvelope.MESSAGE_TYPE_BROADCAST != sms.getMessageType())) { |
| return Intents.RESULT_SMS_UNSUPPORTED; |
| } |
| |
| return dispatchNormalMessage(smsb); |
| } |
| |
| /** |
| * Processes inbound messages that are in the WAP-WDP PDU format. See |
| * wap-259-wdp-20010614-a section 6.5 for details on the WAP-WDP PDU format. |
| * WDP segments are gathered until a datagram completes and gets dispatched. |
| * |
| * @param pdu The WAP-WDP PDU segment |
| * @return a result code from {@link Telephony.Sms.Intents}, or |
| * {@link Activity#RESULT_OK} if the message has been broadcast |
| * to applications |
| */ |
| protected int processCdmaWapPdu(byte[] pdu, int referenceNumber, String address) { |
| int index = 0; |
| |
| int msgType = (0xFF & pdu[index++]); |
| if (msgType != 0) { |
| Log.w(TAG, "Received a WAP SMS which is not WDP. Discard."); |
| return Intents.RESULT_SMS_HANDLED; |
| } |
| int totalSegments = (0xFF & pdu[index++]); // >= 1 |
| int segment = (0xFF & pdu[index++]); // >= 0 |
| |
| if (segment >= totalSegments) { |
| Log.e(TAG, "WDP bad segment #" + segment + " expecting 0-" + (totalSegments - 1)); |
| return Intents.RESULT_SMS_HANDLED; |
| } |
| |
| // Only the first segment contains sourcePort and destination Port |
| int sourcePort = 0; |
| int destinationPort = 0; |
| if (segment == 0) { |
| //process WDP segment |
| sourcePort = (0xFF & pdu[index++]) << 8; |
| sourcePort |= 0xFF & pdu[index++]; |
| destinationPort = (0xFF & pdu[index++]) << 8; |
| destinationPort |= 0xFF & pdu[index++]; |
| // Some carriers incorrectly send duplicate port fields in omadm wap pushes. |
| // If configured, check for that here |
| if (mCheckForDuplicatePortsInOmadmWapPush) { |
| if (checkDuplicatePortOmadmWappush(pdu,index)) { |
| index = index + 4; // skip duplicate port fields |
| } |
| } |
| } |
| |
| // Lookup all other related parts |
| Log.i(TAG, "Received WAP PDU. Type = " + msgType + ", originator = " + address |
| + ", src-port = " + sourcePort + ", dst-port = " + destinationPort |
| + ", ID = " + referenceNumber + ", segment# = " + segment + '/' + totalSegments); |
| |
| // pass the user data portion of the PDU to the shared handler in SMSDispatcher |
| byte[] userData = new byte[pdu.length - index]; |
| System.arraycopy(pdu, index, userData, 0, pdu.length - index); |
| |
| return processMessagePart(userData, address, referenceNumber, segment, totalSegments, |
| 0L, destinationPort, true); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| protected void sendData(String destAddr, String scAddr, int destPort, |
| byte[] data, PendingIntent sentIntent, PendingIntent deliveryIntent) { |
| SmsMessage.SubmitPdu pdu = SmsMessage.getSubmitPdu( |
| scAddr, destAddr, destPort, data, (deliveryIntent != null)); |
| sendSubmitPdu(pdu, sentIntent, deliveryIntent); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| protected void sendText(String destAddr, String scAddr, String text, |
| PendingIntent sentIntent, PendingIntent deliveryIntent) { |
| SmsMessage.SubmitPdu pdu = SmsMessage.getSubmitPdu( |
| scAddr, destAddr, text, (deliveryIntent != null), null); |
| sendSubmitPdu(pdu, sentIntent, deliveryIntent); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| protected TextEncodingDetails calculateLength(CharSequence messageBody, |
| boolean use7bitOnly) { |
| return SmsMessage.calculateLength(messageBody, use7bitOnly); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| protected void sendNewSubmitPdu(String destinationAddress, String scAddress, |
| String message, SmsHeader smsHeader, int encoding, |
| PendingIntent sentIntent, PendingIntent deliveryIntent, boolean lastPart) { |
| UserData uData = new UserData(); |
| uData.payloadStr = message; |
| uData.userDataHeader = smsHeader; |
| if (encoding == android.telephony.SmsMessage.ENCODING_7BIT) { |
| uData.msgEncoding = UserData.ENCODING_GSM_7BIT_ALPHABET; |
| } else { // assume UTF-16 |
| uData.msgEncoding = UserData.ENCODING_UNICODE_16; |
| } |
| uData.msgEncodingSet = true; |
| |
| /* By setting the statusReportRequested bit only for the |
| * last message fragment, this will result in only one |
| * callback to the sender when that last fragment delivery |
| * has been acknowledged. */ |
| SmsMessage.SubmitPdu submitPdu = SmsMessage.getSubmitPdu(destinationAddress, |
| uData, (deliveryIntent != null) && lastPart); |
| |
| sendSubmitPdu(submitPdu, sentIntent, deliveryIntent); |
| } |
| |
| protected void sendSubmitPdu(SmsMessage.SubmitPdu pdu, |
| PendingIntent sentIntent, PendingIntent deliveryIntent) { |
| if (SystemProperties.getBoolean(TelephonyProperties.PROPERTY_INECM_MODE, false)) { |
| if (sentIntent != null) { |
| try { |
| sentIntent.send(SmsManager.RESULT_ERROR_NO_SERVICE); |
| } catch (CanceledException ex) {} |
| } |
| if (false) { |
| Log.d(TAG, "Block SMS in Emergency Callback mode"); |
| } |
| return; |
| } |
| sendRawPdu(pdu.encodedScAddress, pdu.encodedMessage, sentIntent, deliveryIntent); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| protected void sendSms(SmsTracker tracker) { |
| HashMap<String, Object> map = tracker.mData; |
| |
| // byte smsc[] = (byte[]) map.get("smsc"); // unused for CDMA |
| byte pdu[] = (byte[]) map.get("pdu"); |
| |
| Message reply = obtainMessage(EVENT_SEND_SMS_COMPLETE, tracker); |
| mCm.sendCdmaSms(pdu, reply); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| protected void acknowledgeLastIncomingSms(boolean success, int result, Message response) { |
| String inEcm=SystemProperties.get(TelephonyProperties.PROPERTY_INECM_MODE, "false"); |
| if (inEcm.equals("true")) { |
| return; |
| } |
| |
| int causeCode = resultToCause(result); |
| mCm.acknowledgeLastIncomingCdmaSms(success, causeCode, response); |
| |
| if (causeCode == 0) { |
| mLastAcknowledgedSmsFingerprint = mLastDispatchedSmsFingerprint; |
| } |
| mLastDispatchedSmsFingerprint = null; |
| } |
| |
| private static int resultToCause(int rc) { |
| switch (rc) { |
| case Activity.RESULT_OK: |
| case Intents.RESULT_SMS_HANDLED: |
| // Cause code is ignored on success. |
| return 0; |
| case Intents.RESULT_SMS_OUT_OF_MEMORY: |
| return CommandsInterface.CDMA_SMS_FAIL_CAUSE_RESOURCE_SHORTAGE; |
| case Intents.RESULT_SMS_UNSUPPORTED: |
| return CommandsInterface.CDMA_SMS_FAIL_CAUSE_INVALID_TELESERVICE_ID; |
| case Intents.RESULT_SMS_GENERIC_ERROR: |
| default: |
| return CommandsInterface.CDMA_SMS_FAIL_CAUSE_ENCODING_PROBLEM; |
| } |
| } |
| |
| /** |
| * Optional check to see if the received WapPush is an OMADM notification with erroneous |
| * extra port fields. |
| * - Some carriers make this mistake. |
| * ex: MSGTYPE-TotalSegments-CurrentSegment |
| * -SourcePortDestPort-SourcePortDestPort-OMADM PDU |
| * @param origPdu The WAP-WDP PDU segment |
| * @param index Current Index while parsing the PDU. |
| * @return True if OrigPdu is OmaDM Push Message which has duplicate ports. |
| * False if OrigPdu is NOT OmaDM Push Message which has duplicate ports. |
| */ |
| private static boolean checkDuplicatePortOmadmWappush(byte[] origPdu, int index) { |
| index += 4; |
| byte[] omaPdu = new byte[origPdu.length - index]; |
| System.arraycopy(origPdu, index, omaPdu, 0, omaPdu.length); |
| |
| WspTypeDecoder pduDecoder = new WspTypeDecoder(omaPdu); |
| int wspIndex = 2; |
| |
| // Process header length field |
| if (pduDecoder.decodeUintvarInteger(wspIndex) == false) { |
| return false; |
| } |
| |
| wspIndex += pduDecoder.getDecodedDataLength(); // advance to next field |
| |
| // Process content type field |
| if (pduDecoder.decodeContentType(wspIndex) == false) { |
| return false; |
| } |
| |
| String mimeType = pduDecoder.getValueString(); |
| if (mimeType != null && mimeType.equals(WspTypeDecoder.CONTENT_TYPE_B_PUSH_SYNCML_NOTI)) { |
| return true; |
| } |
| return false; |
| } |
| } |
