server/ServerChannel.cpp

   1 /*
   2 * Copyright (c) 2012 Samsung Electronics Co., Ltd All Rights Reserved
   3 *
   4 * Licensed under the Apache License, Version 2.0 (the "License");
   5 * you may not use this file except in compliance with the License.
   6 * You may obtain a copy of the License at
   7 *
   8 * http://www.apache.org/licenses/LICENSE-2.0
   9 *
  10 * Unless required by applicable law or agreed to in writing, software
  11 * distributed under the License is distributed on an "AS IS" BASIS,
  12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 * See the License for the specific language governing permissions and
  14 * limitations under the License.
  15 */
  16
  17 /* standard library header */
  18
  19 /* SLP library header */
  20
  21 /* local header */
  22 #include "Debug.h"
  23 #include "ServerChannel.h"
  24 #include "APDUHelper.h"
  25
  26 namespace smartcard_service_api
  27 {
  28         ServerChannel::ServerChannel(ServerSession *session, void *caller, int channelNum, Terminal *terminal):Channel(session)
  29         {
  30                 this->terminal = terminal;
  31                 this->caller = caller;
  32                 this->channelNum = channelNum;
  33         }
  34
  35         ServerChannel::~ServerChannel()
  36         {
  37                 if (isClosed() == false)
  38                 {
  39                         closeSync();
  40                 }
  41         }
  42
  43         void ServerChannel::closeSync()
  44         {
  45                 ByteArray command, result;
  46                 APDUHelper apdu;
  47                 int rv;
  48
  49                 if (isBasicChannel() == false)
  50                 {
  51                         /* close channel */
  52                         command = apdu.generateAPDU(APDUHelper::COMMAND_CLOSE_LOGICAL_CHANNEL, channelNum, ByteArray::EMPTY);
  53                         rv = terminal->transmitSync(command, result);
  54
  55                         if (rv == 0 && result.getLength() >= 2)
  56                         {
  57                                 ResponseHelper resp(result);
  58
  59                                 if (resp.getStatus() == 0)
  60                                 {
  61                                         SCARD_DEBUG("close success");
  62                                 }
  63                                 else
  64                                 {
  65                                         SCARD_DEBUG_ERR("status word [%d][ 0x%02X 0x%02X ]", resp.getStatus(), result[result.getLength() - 2], result[result.getLength() - 1]);
  66                                 }
  67                         }
  68                         else
  69                         {
  70                                 SCARD_DEBUG_ERR("select apdu is failed, rv [%d], length [%d]", rv, result.getLength());
  71                         }
  72                 }
  73
  74                 channelNum = -1;
  75         }
  76
  77         int ServerChannel::getChannelNumber()
  78         {
  79                 return channelNum;
  80         }
  81
  82         int ServerChannel::transmitSync(ByteArray command, ByteArray &result)
  83         {
  84                 APDUCommand helper;
  85
  86                 if (session != NULL) /* admin channel */
  87                 {
  88                         helper.setCommand(command);
  89
  90                         /* filter command */
  91                         if ((helper.getINS() == APDUCommand::INS_SELECT_FILE && helper.getP1() == APDUCommand::P1_SELECT_BY_DF_NAME) ||
  92                                 (helper.getINS() == APDUCommand::INS_MANAGE_CHANNEL))
  93                         {
  94                                 return -4; /* security reason */
  95                         }
  96
  97                         /* insert channel ID */
  98                         helper.setChannel(0, channelNum);
  99
 100                         helper.getBuffer(command);
 101                 }
 102
 103                 SCARD_DEBUG("command [%d] : %s", command.getLength(), command.toString());
 104
 105                 return terminal->transmitSync(command, result);
 106         }
 107
 108 } /* namespace smartcard_service_api */