common/PKCS15.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 "APDUHelper.h"
  24 #include "EFDIR.h"
  25 #include "PKCS15.h"
  26
  27 namespace smartcard_service_api
  28 {
  29         static unsigned char aid[] = { 0xA0, 0x00, 0x00, 0x00, 0x63, 0x50,
  30                 0x4B, 0x43, 0x53, 0x2D, 0x31, 0x35 };
  31         ByteArray PKCS15::PKCS15_AID(ARRAY_AND_SIZE(aid));
  32
  33         PKCS15::PKCS15(Channel *channel) :
  34                 PKCS15Object(channel), odf(NULL)
  35         {
  36         }
  37
  38         PKCS15::PKCS15(Channel *channel, const ByteArray &selectResponse) :
  39                 PKCS15Object(channel, selectResponse), odf(NULL)
  40         {
  41         }
  42
  43         PKCS15::~PKCS15()
  44         {
  45                 if (odf != NULL)
  46                 {
  47                         delete odf;
  48                         odf = NULL;
  49                 }
  50         }
  51
  52         int PKCS15::select()
  53         {
  54                 int ret;
  55
  56                 ret = PKCS15Object::select(PKCS15::PKCS15_AID);
  57                 if (ret >= SCARD_ERROR_OK)
  58                 {
  59                         _DBG("response : %s", selectResponse.toString().c_str());
  60                 }
  61                 else if (ret == ResponseHelper::ERROR_FILE_NOT_FOUND)
  62                 {
  63                         _ERR("PKCS15 AID not found, search in EF DIR");
  64
  65                         ret = selectFromEFDIR();
  66                         if (ret >= SCARD_ERROR_OK)
  67                         {
  68                                 _DBG("response : %s", selectResponse.toString().c_str());
  69                         }
  70                         else
  71                         {
  72                                 _ERR("PKCS15 select failed, [%d]", ret);
  73                         }
  74                 }
  75                 else
  76                 {
  77                         _ERR("PKCS15 select failed, [%d]", ret);
  78                 }
  79
  80                 return ret;
  81         }
  82
  83         int PKCS15::selectFromEFDIR()
  84         {
  85                 int ret;
  86                 ByteArray path;
  87                 EFDIR dir(channel);
  88
  89                 ret = dir.select();
  90                 if (ret >= SCARD_ERROR_OK)
  91                 {
  92                         path = dir.getPathByAID(PKCS15_AID);
  93                         if (path.size() > 0)
  94                         {
  95                                 ret = PKCS15Object::select(path, false);
  96                                 if (ret < SCARD_ERROR_OK)
  97                                 {
  98                                         _ERR("PKCS15 select failed, [%d]", ret);
  99                                 }
 100                         }
 101                         else
 102                         {
 103                                 _ERR("PKCS15 path is not found");
 104                                 ret = SCARD_ERROR_NOT_SUPPORTED;
 105                         }
 106                 }
 107                 else
 108                 {
 109                         _ERR("select EFDIR failed, [%x]", -ret);
 110                 }
 111
 112                 return ret;
 113         }
 114
 115         PKCS15ODF *PKCS15::getODF()
 116         {
 117                 if (odf == NULL)
 118                 {
 119                         odf = new PKCS15ODF(channel);
 120
 121                         if (odf != NULL && odf->isClosed() == true)
 122                         {
 123                                 _ERR("failed to open ODF");
 124
 125                                 delete odf;
 126                                 odf = NULL;
 127                         }
 128                 }
 129
 130                 _DBG("odf [%p]", odf);
 131
 132                 return odf;
 133         }
 134 } /* namespace smartcard_service_api */