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         /* LCOV_EXCL_START */
  29         ServerChannel::ServerChannel(ServerSession *session, void *caller,
  30                 int channelNum, Terminal *terminal) :
  31                 Channel(session), terminal(terminal), caller(caller),
  32                 privilege(true)
  33         {
  34                 this->channelNum = channelNum;
  35         }
  36
  37         ServerChannel::~ServerChannel()
  38         {
  39                 if (isClosed() == false)
  40                 {
  41                         closeSync();
  42                 }
  43         }
  44
  45         void ServerChannel::closeSync()
  46         {
  47                 ByteArray command, result;
  48                 APDUHelper apdu;
  49                 int rv;
  50
  51                 if (isClosed() == false && isBasicChannel() == false) {
  52                         /* close channel */
  53                         command = apdu.generateAPDU(APDUHelper::COMMAND_CLOSE_LOGICAL_CHANNEL, channelNum, ByteArray::EMPTY);
  54
  55                         _DBG("command [%zu] : %s", command.size(), command.toString().c_str());
  56
  57                         rv = terminal->transmitSync(command, result);
  58
  59                         if (rv == 0 && result.size() >= 2) {
  60                                 ResponseHelper resp(result);
  61
  62                                 if (resp.getStatus() >= 0) {
  63                                         _DBG("close success");
  64                                 } else {
  65                                         _ERR("status word [ %02X %02X ]", resp.getSW1(), resp.getSW2());
  66                                 }
  67                         } else {
  68                                 _ERR("select apdu is failed, rv [%d], length [%zu]", rv, result.size());
  69                         }
  70
  71                         channelNum = -1;
  72                 }
  73         }
  74
  75         int ServerChannel::transmitSync(const ByteArray &command, ByteArray &result)
  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 [%zu] : %s", cmd.size(), cmd.toString().c_str());
 104
 105                 ret = terminal->transmitSync(cmd, result);
 106
 107                 return ret;
 108         }
 109
 110         /* LCOV_EXCL_STOP */
 111 } /* namespace smartcard_service_api */