server/ServerChannel.cpp

   1 /*
   2 * Copyright (c) 2012, 2013 Samsung Electronics Co., Ltd.
   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                 this->privilege = true;
  34         }
  35
  36         ServerChannel::~ServerChannel()
  37         {
  38                 if (isClosed() == false)
  39                 {
  40                         closeSync();
  41                 }
  42         }
  43
  44         void ServerChannel::closeSync()
  45         {
  46                 ByteArray command, result;
  47                 APDUHelper apdu;
  48                 int rv;
  49
  50                 if (isBasicChannel() == false)
  51                 {
  52                         /* close channel */
  53                         command = apdu.generateAPDU(APDUHelper::COMMAND_CLOSE_LOGICAL_CHANNEL, channelNum, ByteArray::EMPTY);
  54                         rv = terminal->transmitSync(command, result);
  55
  56                         if (rv == 0 && result.getLength() >= 2)
  57                         {
  58                                 ResponseHelper resp(result);
  59
  60                                 if (resp.getStatus() == 0)
  61                                 {
  62                                         SCARD_DEBUG("close success");
  63                                 }
  64                                 else
  65                                 {
  66                                         SCARD_DEBUG_ERR("status word [%d][ %02X %02X ]", resp.getStatus(), resp.getSW1(), resp.getSW2());
  67                                 }
  68                         }
  69                         else
  70                         {
  71                                 SCARD_DEBUG_ERR("select apdu is failed, rv [%d], length [%d]", rv, result.getLength());
  72                         }
  73                 }
  74
  75                 channelNum = -1;
  76         }
  77
  78         int ServerChannel::transmitSync(ByteArray command, ByteArray &result)
  79         {
  80                 APDUCommand helper;
  81
  82                 if (isClosed() == true)
  83                 {
  84                         return -1;
  85                 }
  86
  87                 helper.setCommand(command);
  88
  89                 /* filter command */
  90                 if (privilege == false)
  91                 {
  92                         if ((helper.getINS() == APDUCommand::INS_SELECT_FILE && helper.getP1() == APDUCommand::P1_SELECT_BY_DF_NAME) ||
  93                                 (helper.getINS() == APDUCommand::INS_MANAGE_CHANNEL))
  94                         {
  95                                 return -4; /* security reason */
  96                         }
  97                 }
  98
  99                 /* TODO : insert channel ID using atr information */
 100                 helper.setChannel(APDUCommand::CLA_CHANNEL_STANDARD, channelNum);
 101
 102                 helper.getBuffer(command);
 103
 104                 SCARD_DEBUG("command [%d] : %s", command.getLength(), command.toString());
 105
 106                 return terminal->transmitSync(command, result);
 107         }
 108
 109 } /* namespace smartcard_service_api */