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 #include "Debug.h"
  18 #include "ServerChannel.h"
  19 #include "APDUHelper.h"
  20
  21 namespace smartcard_service_api
  22 {
  23         ServerChannel::ServerChannel(ServerSession *session, void *caller,
  24                 int channelNum, Terminal *terminal) :
  25                 Channel(session), terminal(terminal), caller(caller),
  26                 privilege(true)
  27         {
  28                 this->channelNum = channelNum;
  29         }
  30
  31         ServerChannel::~ServerChannel()
  32         {
  33                 if (isClosed() == false)
  34                 {
  35                         closeSync();
  36                 }
  37         }
  38
  39         void ServerChannel::closeSync()
  40                 throw(ErrorIO &, ErrorIllegalState &)
  41         {
  42                 ByteArray command, result;
  43                 APDUHelper apdu;
  44                 int rv;
  45
  46                 if (isClosed() == false && isBasicChannel() == false)
  47                 {
  48                         /* close channel */
  49                         command = apdu.generateAPDU(APDUHelper::COMMAND_CLOSE_LOGICAL_CHANNEL, channelNum, ByteArray::EMPTY);
  50                         rv = terminal->transmitSync(command, result);
  51
  52                         if (rv == 0 && result.size() >= 2)
  53                         {
  54                                 ResponseHelper resp(result);
  55
  56                                 if (resp.getStatus() >= 0)
  57                                 {
  58                                         _DBG("close success");
  59                                 }
  60                                 else
  61                                 {
  62                                         _ERR("status word [ %02X %02X ]", resp.getSW1(), resp.getSW2());
  63                                 }
  64                         }
  65                         else
  66                         {
  67                                 _ERR("select apdu is failed, rv [%d], length [%d]", rv, result.size());
  68                         }
  69
  70                         channelNum = -1;
  71                 }
  72         }
  73
  74         int ServerChannel::transmitSync(const ByteArray &command, ByteArray &result)
  75                 throw(ErrorIO &, ErrorIllegalState &, ErrorIllegalParameter &, ErrorSecurity &)
  76         {
  77                 int ret = -1;
  78                 APDUCommand helper;
  79                 ByteArray cmd;
  80
  81                 if (isClosed() == true)
  82                 {
  83                         return ret;
  84                 }
  85
  86                 helper.setCommand(command);
  87
  88                 /* filter command */
  89                 if (privilege == false)
  90                 {
  91                         if ((helper.getINS() == APDUCommand::INS_SELECT_FILE &&
  92                                 helper.getP1() == APDUCommand::P1_SELECT_BY_DF_NAME) ||
  93                                 (helper.getINS() == APDUCommand::INS_MANAGE_CHANNEL))
  94                         {
  95                                 return SCARD_ERROR_SECURITY_NOT_ALLOWED;
  96                         }
  97                 }
  98
  99                 /* TODO : insert channel ID using atr information */
 100                 helper.setChannel(APDUCommand::CLA_CHANNEL_STANDARD, channelNum);
 101                 helper.getBuffer(cmd);
 102
 103                 _DBG("command [%d] : %s", cmd.size(), cmd.toString().c_str());
 104
 105                 ret = terminal->transmitSync(cmd, result);
 106
 107                 return ret;
 108         }
 109
 110 } /* namespace smartcard_service_api */