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,
  29                 int channelNum, Terminal *terminal)
  30                 : Channel(session)
  31         {
  32                 this->terminal = terminal;
  33                 this->caller = caller;
  34                 this->channelNum = channelNum;
  35                 this->privilege = true;
  36         }
  37
  38         ServerChannel::~ServerChannel()
  39         {
  40                 if (isClosed() == false)
  41                 {
  42                         closeSync();
  43                 }
  44         }
  45
  46         void ServerChannel::closeSync()
  47                 throw(ErrorIO &, ErrorIllegalState &)
  48         {
  49                 ByteArray command, result;
  50                 APDUHelper apdu;
  51                 int rv;
  52
  53                 if (isBasicChannel() == false)
  54                 {
  55                         /* close channel */
  56                         command = apdu.generateAPDU(APDUHelper::COMMAND_CLOSE_LOGICAL_CHANNEL, channelNum, ByteArray::EMPTY);
  57                         rv = terminal->transmitSync(command, result);
  58
  59                         if (rv == 0 && result.getLength() >= 2)
  60                         {
  61                                 ResponseHelper resp(result);
  62
  63                                 if (resp.getStatus() == 0)
  64                                 {
  65                                         SCARD_DEBUG("close success");
  66                                 }
  67                                 else
  68                                 {
  69                                         SCARD_DEBUG_ERR("status word [%d][ %02X %02X ]", resp.getStatus(), resp.getSW1(), resp.getSW2());
  70                                 }
  71                         }
  72                         else
  73                         {
  74                                 SCARD_DEBUG_ERR("select apdu is failed, rv [%d], length [%d]", rv, result.getLength());
  75                         }
  76                 }
  77
  78                 channelNum = -1;
  79         }
  80
  81         int ServerChannel::transmitSync(ByteArray command, ByteArray &result)
  82                 throw(ErrorIO &, ErrorIllegalState &, ErrorIllegalParameter &, ErrorSecurity &)
  83         {
  84                 int ret = -1;
  85                 APDUCommand helper;
  86
  87                 if (isClosed() == true)
  88                 {
  89                         return ret;
  90                 }
  91
  92                 helper.setCommand(command);
  93
  94                 /* filter command */
  95                 if (privilege == false)
  96                 {
  97                         if ((helper.getINS() == APDUCommand::INS_SELECT_FILE &&
  98                                 helper.getP1() == APDUCommand::P1_SELECT_BY_DF_NAME) ||
  99                                 (helper.getINS() == APDUCommand::INS_MANAGE_CHANNEL))
 100                         {
 101                                 return -4; /* security reason */
 102                         }
 103                 }
 104
 105                 /* TODO : insert channel ID using atr information */
 106                 helper.setChannel(APDUCommand::CLA_CHANNEL_STANDARD, channelNum);
 107
 108                 helper.getBuffer(command);
 109
 110                 SCARD_DEBUG("command [%d] : %s", command.getLength(), command.toString());
 111
 112                 ret = terminal->transmitSync(command, result);
 113                 if (ret == 0 && ResponseHelper::getStatus(result) == 0)
 114                 {
 115                         /* store select response */
 116                         if (helper.getINS() == APDUCommand::INS_SELECT_FILE)
 117                                 setSelectResponse(result);
 118                 }
 119
 120                 return ret;
 121         }
 122
 123 } /* namespace smartcard_service_api */