| /* |
| * Copyright (C) 2006 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.gsm; |
| |
| import android.app.Activity; |
| import android.app.PendingIntent; |
| import android.app.PendingIntent.CanceledException; |
| import android.content.Intent; |
| import android.os.AsyncResult; |
| import android.os.Message; |
| import android.os.SystemProperties; |
| import android.provider.Telephony.Sms; |
| import android.provider.Telephony.Sms.Intents; |
| import android.telephony.ServiceState; |
| import android.telephony.SmsCbMessage; |
| import android.telephony.gsm.GsmCellLocation; |
| import android.util.Config; |
| import android.util.Log; |
| |
| import com.android.internal.telephony.BaseCommands; |
| import com.android.internal.telephony.CommandsInterface; |
| import com.android.internal.telephony.IccUtils; |
| 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.TelephonyProperties; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| |
| import static android.telephony.SmsMessage.MessageClass; |
| |
| final class GsmSMSDispatcher extends SMSDispatcher { |
| private static final String TAG = "GSM"; |
| |
| private GSMPhone mGsmPhone; |
| |
| GsmSMSDispatcher(GSMPhone phone) { |
| super(phone); |
| mGsmPhone = phone; |
| |
| ((BaseCommands)mCm).setOnNewGsmBroadcastSms(this, EVENT_NEW_BROADCAST_SMS, null); |
| } |
| |
| /** |
| * Called when a status report is received. This should correspond to |
| * a previously successful SEND. |
| * |
| * @param ar AsyncResult passed into the message handler. ar.result should |
| * be a String representing the status report PDU, as ASCII hex. |
| */ |
| @Override |
| protected void handleStatusReport(AsyncResult ar) { |
| String pduString = (String) ar.result; |
| SmsMessage sms = SmsMessage.newFromCDS(pduString); |
| |
| int tpStatus = sms.getStatus(); |
| |
| if (sms != null) { |
| int messageRef = sms.messageRef; |
| for (int i = 0, count = deliveryPendingList.size(); i < count; i++) { |
| SmsTracker tracker = deliveryPendingList.get(i); |
| if (tracker.mMessageRef == messageRef) { |
| // Found it. Remove from list and broadcast. |
| if(tpStatus >= Sms.STATUS_FAILED || tpStatus < Sms.STATUS_PENDING ) { |
| deliveryPendingList.remove(i); |
| } |
| PendingIntent intent = tracker.mDeliveryIntent; |
| Intent fillIn = new Intent(); |
| fillIn.putExtra("pdu", IccUtils.hexStringToBytes(pduString)); |
| try { |
| intent.send(mContext, Activity.RESULT_OK, fillIn); |
| } catch (CanceledException ex) {} |
| |
| // Only expect to see one tracker matching this messageref |
| break; |
| } |
| } |
| } |
| acknowledgeLastIncomingSms(true, Intents.RESULT_SMS_HANDLED, null); |
| } |
| |
| |
| /** {@inheritDoc} */ |
| @Override |
| public int dispatchMessage(SmsMessageBase smsb) { |
| |
| // If sms is null, means there was a parsing error. |
| if (smsb == null) { |
| return Intents.RESULT_SMS_GENERIC_ERROR; |
| } |
| SmsMessage sms = (SmsMessage) smsb; |
| boolean handled = false; |
| |
| if (sms.isTypeZero()) { |
| // As per 3GPP TS 23.040 9.2.3.9, Type Zero messages should not be |
| // Displayed/Stored/Notified. They should only be acknowledged. |
| Log.d(TAG, "Received short message type 0, Don't display or store it. Send Ack"); |
| return Intents.RESULT_SMS_HANDLED; |
| } |
| |
| if (mSmsReceiveDisabled) { |
| // 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); |
| handled = sms.isMwiDontStore(); |
| if (Config.LOGD) { |
| Log.d(TAG, "Received voice mail indicator set SMS shouldStore=" + !handled); |
| } |
| } else if (sms.isMWIClearMessage()) { |
| mGsmPhone.updateMessageWaitingIndicator(false); |
| handled = sms.isMwiDontStore(); |
| if (Config.LOGD) { |
| Log.d(TAG, "Received voice mail indicator clear SMS shouldStore=" + !handled); |
| } |
| } |
| |
| if (handled) { |
| return Intents.RESULT_SMS_HANDLED; |
| } |
| |
| if (!mStorageAvailable && (sms.getMessageClass() != MessageClass.CLASS_0)) { |
| // It's a storable message and there's no storage available. Bail. |
| // (See TS 23.038 for a description of class 0 messages.) |
| return Intents.RESULT_SMS_OUT_OF_MEMORY; |
| } |
| |
| SmsHeader smsHeader = sms.getUserDataHeader(); |
| // See if message is partial or port addressed. |
| if ((smsHeader == null) || (smsHeader.concatRef == null)) { |
| // Message is not partial (not part of concatenated sequence). |
| byte[][] pdus = new byte[1][]; |
| pdus[0] = sms.getPdu(); |
| |
| if (smsHeader != null && smsHeader.portAddrs != null) { |
| if (smsHeader.portAddrs.destPort == SmsHeader.PORT_WAP_PUSH) { |
| return mWapPush.dispatchWapPdu(sms.getUserData()); |
| } else { |
| // The message was sent to a port, so concoct a URI for it. |
| dispatchPortAddressedPdus(pdus, smsHeader.portAddrs.destPort); |
| } |
| } else { |
| // Normal short and non-port-addressed message, dispatch it. |
| dispatchPdus(pdus); |
| } |
| return Activity.RESULT_OK; |
| } else { |
| // Process the message part. |
| return processMessagePart(sms, smsHeader.concatRef, smsHeader.portAddrs); |
| } |
| } |
| |
| /** {@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)); |
| sendRawPdu(pdu.encodedScAddress, pdu.encodedMessage, 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)); |
| sendRawPdu(pdu.encodedScAddress, pdu.encodedMessage, sentIntent, deliveryIntent); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| protected void sendMultipartText(String destinationAddress, String scAddress, |
| ArrayList<String> parts, ArrayList<PendingIntent> sentIntents, |
| ArrayList<PendingIntent> deliveryIntents) { |
| |
| int refNumber = getNextConcatenatedRef() & 0x00FF; |
| int msgCount = parts.size(); |
| int encoding = android.telephony.SmsMessage.ENCODING_UNKNOWN; |
| |
| mRemainingMessages = msgCount; |
| |
| for (int i = 0; i < msgCount; i++) { |
| TextEncodingDetails details = SmsMessage.calculateLength(parts.get(i), false); |
| if (encoding != details.codeUnitSize |
| && (encoding == android.telephony.SmsMessage.ENCODING_UNKNOWN |
| || encoding == android.telephony.SmsMessage.ENCODING_7BIT)) { |
| encoding = details.codeUnitSize; |
| } |
| } |
| |
| for (int i = 0; i < msgCount; i++) { |
| SmsHeader.ConcatRef concatRef = new SmsHeader.ConcatRef(); |
| concatRef.refNumber = refNumber; |
| concatRef.seqNumber = i + 1; // 1-based sequence |
| concatRef.msgCount = msgCount; |
| // TODO: We currently set this to true since our messaging app will never |
| // send more than 255 parts (it converts the message to MMS well before that). |
| // However, we should support 3rd party messaging apps that might need 16-bit |
| // references |
| // Note: It's not sufficient to just flip this bit to true; it will have |
| // ripple effects (several calculations assume 8-bit ref). |
| concatRef.isEightBits = true; |
| SmsHeader smsHeader = new SmsHeader(); |
| smsHeader.concatRef = concatRef; |
| |
| PendingIntent sentIntent = null; |
| if (sentIntents != null && sentIntents.size() > i) { |
| sentIntent = sentIntents.get(i); |
| } |
| |
| PendingIntent deliveryIntent = null; |
| if (deliveryIntents != null && deliveryIntents.size() > i) { |
| deliveryIntent = deliveryIntents.get(i); |
| } |
| |
| SmsMessage.SubmitPdu pdus = SmsMessage.getSubmitPdu(scAddress, destinationAddress, |
| parts.get(i), deliveryIntent != null, SmsHeader.toByteArray(smsHeader), |
| encoding); |
| |
| sendRawPdu(pdus.encodedScAddress, pdus.encodedMessage, sentIntent, deliveryIntent); |
| } |
| } |
| |
| /** |
| * Send a multi-part text based SMS which already passed SMS control check. |
| * |
| * It is the working function for sendMultipartText(). |
| * |
| * @param destinationAddress the address to send the message to |
| * @param scAddress is the service center address or null to use |
| * the current default SMSC |
| * @param parts an <code>ArrayList</code> of strings that, in order, |
| * comprise the original message |
| * @param sentIntents if not null, an <code>ArrayList</code> of |
| * <code>PendingIntent</code>s (one for each message part) that is |
| * broadcast when the corresponding message part has been sent. |
| * The result code will be <code>Activity.RESULT_OK<code> for success, |
| * or one of these errors: |
| * <code>RESULT_ERROR_GENERIC_FAILURE</code> |
| * <code>RESULT_ERROR_RADIO_OFF</code> |
| * <code>RESULT_ERROR_NULL_PDU</code>. |
| * @param deliveryIntents if not null, an <code>ArrayList</code> of |
| * <code>PendingIntent</code>s (one for each message part) that is |
| * broadcast when the corresponding message part has been delivered |
| * to the recipient. The raw pdu of the status report is in the |
| * extended data ("pdu"). |
| */ |
| private void sendMultipartTextWithPermit(String destinationAddress, |
| String scAddress, ArrayList<String> parts, |
| ArrayList<PendingIntent> sentIntents, |
| ArrayList<PendingIntent> deliveryIntents) { |
| |
| // check if in service |
| int ss = mPhone.getServiceState().getState(); |
| if (ss != ServiceState.STATE_IN_SERVICE) { |
| for (int i = 0, count = parts.size(); i < count; i++) { |
| PendingIntent sentIntent = null; |
| if (sentIntents != null && sentIntents.size() > i) { |
| sentIntent = sentIntents.get(i); |
| } |
| SmsTracker tracker = SmsTrackerFactory(null, sentIntent, null); |
| handleNotInService(ss, tracker); |
| } |
| return; |
| } |
| |
| int refNumber = getNextConcatenatedRef() & 0x00FF; |
| int msgCount = parts.size(); |
| int encoding = android.telephony.SmsMessage.ENCODING_UNKNOWN; |
| |
| mRemainingMessages = msgCount; |
| |
| for (int i = 0; i < msgCount; i++) { |
| TextEncodingDetails details = SmsMessage.calculateLength(parts.get(i), false); |
| if (encoding != details.codeUnitSize |
| && (encoding == android.telephony.SmsMessage.ENCODING_UNKNOWN |
| || encoding == android.telephony.SmsMessage.ENCODING_7BIT)) { |
| encoding = details.codeUnitSize; |
| } |
| } |
| |
| for (int i = 0; i < msgCount; i++) { |
| SmsHeader.ConcatRef concatRef = new SmsHeader.ConcatRef(); |
| concatRef.refNumber = refNumber; |
| concatRef.seqNumber = i + 1; // 1-based sequence |
| concatRef.msgCount = msgCount; |
| concatRef.isEightBits = false; |
| SmsHeader smsHeader = new SmsHeader(); |
| smsHeader.concatRef = concatRef; |
| |
| PendingIntent sentIntent = null; |
| if (sentIntents != null && sentIntents.size() > i) { |
| sentIntent = sentIntents.get(i); |
| } |
| |
| PendingIntent deliveryIntent = null; |
| if (deliveryIntents != null && deliveryIntents.size() > i) { |
| deliveryIntent = deliveryIntents.get(i); |
| } |
| |
| SmsMessage.SubmitPdu pdus = SmsMessage.getSubmitPdu(scAddress, destinationAddress, |
| parts.get(i), deliveryIntent != null, SmsHeader.toByteArray(smsHeader), |
| encoding); |
| |
| HashMap<String, Object> map = new HashMap<String, Object>(); |
| map.put("smsc", pdus.encodedScAddress); |
| map.put("pdu", pdus.encodedMessage); |
| |
| SmsTracker tracker = SmsTrackerFactory(map, sentIntent, deliveryIntent); |
| sendSms(tracker); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| protected void sendSms(SmsTracker tracker) { |
| HashMap<String, Object> map = tracker.mData; |
| |
| byte smsc[] = (byte[]) map.get("smsc"); |
| byte pdu[] = (byte[]) map.get("pdu"); |
| |
| Message reply = obtainMessage(EVENT_SEND_SMS_COMPLETE, tracker); |
| mCm.sendSMS(IccUtils.bytesToHexString(smsc), |
| IccUtils.bytesToHexString(pdu), reply); |
| } |
| |
| /** |
| * Send the multi-part SMS based on multipart Sms tracker |
| * |
| * @param tracker holds the multipart Sms tracker ready to be sent |
| */ |
| @Override |
| protected void sendMultipartSms (SmsTracker tracker) { |
| ArrayList<String> parts; |
| ArrayList<PendingIntent> sentIntents; |
| ArrayList<PendingIntent> deliveryIntents; |
| |
| HashMap<String, Object> map = tracker.mData; |
| |
| String destinationAddress = (String) map.get("destination"); |
| String scAddress = (String) map.get("scaddress"); |
| |
| parts = (ArrayList<String>) map.get("parts"); |
| sentIntents = (ArrayList<PendingIntent>) map.get("sentIntents"); |
| deliveryIntents = (ArrayList<PendingIntent>) map.get("deliveryIntents"); |
| |
| sendMultipartTextWithPermit(destinationAddress, |
| scAddress, parts, sentIntents, deliveryIntents); |
| |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| protected void acknowledgeLastIncomingSms(boolean success, int result, Message response){ |
| // FIXME unit test leaves cm == null. this should change |
| if (mCm != null) { |
| mCm.acknowledgeLastIncomingGsmSms(success, resultToCause(result), response); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public void activateCellBroadcastSms(int activate, Message response) { |
| // Unless CBS is implemented for GSM, this point should be unreachable. |
| Log.e(TAG, "Error! The functionality cell broadcast sms is not implemented for GSM."); |
| response.recycle(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public void getCellBroadcastSmsConfig(Message response){ |
| // Unless CBS is implemented for GSM, this point should be unreachable. |
| Log.e(TAG, "Error! The functionality cell broadcast sms is not implemented for GSM."); |
| response.recycle(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public void setCellBroadcastConfig(int[] configValuesArray, Message response) { |
| // Unless CBS is implemented for GSM, this point should be unreachable. |
| Log.e(TAG, "Error! The functionality cell broadcast sms is not implemented for GSM."); |
| response.recycle(); |
| } |
| |
| private 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.GSM_SMS_FAIL_CAUSE_MEMORY_CAPACITY_EXCEEDED; |
| case Intents.RESULT_SMS_GENERIC_ERROR: |
| default: |
| return CommandsInterface.GSM_SMS_FAIL_CAUSE_UNSPECIFIED_ERROR; |
| } |
| } |
| |
| /** |
| * Holds all info about a message page needed to assemble a complete |
| * concatenated message |
| */ |
| private static final class SmsCbConcatInfo { |
| private final SmsCbHeader mHeader; |
| |
| private final String mPlmn; |
| |
| private final int mLac; |
| |
| private final int mCid; |
| |
| public SmsCbConcatInfo(SmsCbHeader header, String plmn, int lac, int cid) { |
| mHeader = header; |
| mPlmn = plmn; |
| mLac = lac; |
| mCid = cid; |
| } |
| |
| @Override |
| public int hashCode() { |
| return mHeader.messageIdentifier * 31 + mHeader.updateNumber; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (obj instanceof SmsCbConcatInfo) { |
| SmsCbConcatInfo other = (SmsCbConcatInfo)obj; |
| |
| // Two pages match if all header attributes (except the page |
| // index) are identical, and both pages belong to the same |
| // location (which is also determined by the scope parameter) |
| if (mHeader.geographicalScope == other.mHeader.geographicalScope |
| && mHeader.messageCode == other.mHeader.messageCode |
| && mHeader.updateNumber == other.mHeader.updateNumber |
| && mHeader.messageIdentifier == other.mHeader.messageIdentifier |
| && mHeader.dataCodingScheme == other.mHeader.dataCodingScheme |
| && mHeader.nrOfPages == other.mHeader.nrOfPages) { |
| return matchesLocation(other.mPlmn, other.mLac, other.mCid); |
| } |
| } |
| |
| return false; |
| } |
| |
| /** |
| * Checks if this concatenation info matches the given location. The |
| * granularity of the match depends on the geographical scope. |
| * |
| * @param plmn PLMN |
| * @param lac Location area code |
| * @param cid Cell ID |
| * @return true if matching, false otherwise |
| */ |
| public boolean matchesLocation(String plmn, int lac, int cid) { |
| switch (mHeader.geographicalScope) { |
| case SmsCbMessage.GEOGRAPHICAL_SCOPE_CELL_WIDE: |
| case SmsCbMessage.GEOGRAPHICAL_SCOPE_CELL_WIDE_IMMEDIATE: |
| if (mCid != cid) { |
| return false; |
| } |
| // deliberate fall-through |
| case SmsCbMessage.GEOGRAPHICAL_SCOPE_LA_WIDE: |
| if (mLac != lac) { |
| return false; |
| } |
| // deliberate fall-through |
| case SmsCbMessage.GEOGRAPHICAL_SCOPE_PLMN_WIDE: |
| return mPlmn != null && mPlmn.equals(plmn); |
| } |
| |
| return false; |
| } |
| } |
| |
| // This map holds incomplete concatenated messages waiting for assembly |
| private HashMap<SmsCbConcatInfo, byte[][]> mSmsCbPageMap = |
| new HashMap<SmsCbConcatInfo, byte[][]>(); |
| |
| protected void handleBroadcastSms(AsyncResult ar) { |
| try { |
| byte[][] pdus = null; |
| byte[] receivedPdu = (byte[])ar.result; |
| |
| if (Config.LOGD) { |
| for (int i = 0; i < receivedPdu.length; i += 8) { |
| StringBuilder sb = new StringBuilder("SMS CB pdu data: "); |
| for (int j = i; j < i + 8 && j < receivedPdu.length; j++) { |
| int b = receivedPdu[j] & 0xff; |
| if (b < 0x10) { |
| sb.append("0"); |
| } |
| sb.append(Integer.toHexString(b)).append(" "); |
| } |
| Log.d(TAG, sb.toString()); |
| } |
| } |
| |
| SmsCbHeader header = new SmsCbHeader(receivedPdu); |
| String plmn = SystemProperties.get(TelephonyProperties.PROPERTY_OPERATOR_NUMERIC); |
| GsmCellLocation cellLocation = (GsmCellLocation)mGsmPhone.getCellLocation(); |
| int lac = cellLocation.getLac(); |
| int cid = cellLocation.getCid(); |
| |
| if (header.nrOfPages > 1) { |
| // Multi-page message |
| SmsCbConcatInfo concatInfo = new SmsCbConcatInfo(header, plmn, lac, cid); |
| |
| // Try to find other pages of the same message |
| pdus = mSmsCbPageMap.get(concatInfo); |
| |
| if (pdus == null) { |
| // This it the first page of this message, make room for all |
| // pages and keep until complete |
| pdus = new byte[header.nrOfPages][]; |
| |
| mSmsCbPageMap.put(concatInfo, pdus); |
| } |
| |
| // Page parameter is one-based |
| pdus[header.pageIndex - 1] = receivedPdu; |
| |
| for (int i = 0; i < pdus.length; i++) { |
| if (pdus[i] == null) { |
| // Still missing pages, exit |
| return; |
| } |
| } |
| |
| // Message complete, remove and dispatch |
| mSmsCbPageMap.remove(concatInfo); |
| } else { |
| // Single page message |
| pdus = new byte[1][]; |
| pdus[0] = receivedPdu; |
| } |
| |
| dispatchBroadcastPdus(pdus); |
| |
| // Remove messages that are out of scope to prevent the map from |
| // growing indefinitely, containing incomplete messages that were |
| // never assembled |
| Iterator<SmsCbConcatInfo> iter = mSmsCbPageMap.keySet().iterator(); |
| |
| while (iter.hasNext()) { |
| SmsCbConcatInfo info = iter.next(); |
| |
| if (!info.matchesLocation(plmn, lac, cid)) { |
| iter.remove(); |
| } |
| } |
| } catch (RuntimeException e) { |
| Log.e(TAG, "Error in decoding SMS CB pdu", e); |
| } |
| } |
| |
| } |