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                 int ret;
  37
  38                 ret = select(PKCS15::PKCS15_AID);
  39                 if (ret == FileObject::SUCCESS)
  40                 {
  41                         SCARD_DEBUG("response : %s", selectResponse.toString());
  42                 }
  43                 else if (ret == ResponseHelper::ERROR_FILE_NOT_FOUND)
  44                 {
  45                         SCARD_DEBUG_ERR("PKCS15 AID not found, search in EF DIR");
  46
  47                         if (selectFromEFDIR() == true)
  48                         {
  49                                 SCARD_DEBUG("response : %s", selectResponse.toString());
  50                         }
  51                         else
  52                         {
  53                                 SCARD_DEBUG_ERR("PKCS15 select failed, [%d]", ret);
  54                         }
  55                 }
  56                 else
  57                 {
  58                         SCARD_DEBUG_ERR("PKCS15 select failed, [%d]", ret);
  59                 }
  60         }
  61
  62         PKCS15::PKCS15(Channel *channel, ByteArray selectResponse)
  63                 : PKCS15Object(channel, selectResponse), odf(NULL)
  64         {
  65         }
  66
  67         PKCS15::~PKCS15()
  68         {
  69                 if (odf != NULL)
  70                 {
  71                         delete odf;
  72                         odf = NULL;
  73                 }
  74         }
  75
  76         bool PKCS15::selectFromEFDIR()
  77         {
  78                 bool result = false;
  79                 ByteArray path;
  80                 EFDIR dir(channel);
  81
  82                 path = dir.getPathByAID(PKCS15_AID);
  83                 if (path.getLength() > 0)
  84                 {
  85                         int ret;
  86
  87                         ret = select(path, false);
  88                         if (ret == FileObject::SUCCESS)
  89                         {
  90                                 result = true;
  91                         }
  92                         else
  93                         {
  94                                 SCARD_DEBUG_ERR("path select failed, [%d]", ret);
  95                         }
  96                 }
  97                 else
  98                 {
  99                         SCARD_DEBUG_ERR("PKCS15 not found");
 100                 }
 101
 102                 return result;
 103         }
 104
 105         PKCS15ODF *PKCS15::getODF()
 106         {
 107                 if (odf == NULL)
 108                 {
 109                         odf = new PKCS15ODF(channel);
 110
 111                         if (odf != NULL && odf->isClosed() == true)
 112                         {
 113                                 SCARD_DEBUG_ERR("failed to open ODF");
 114
 115                                 delete odf;
 116                                 odf = NULL;
 117                         }
 118                 }
 119
 120                 SCARD_DEBUG("odf [%p]", odf);
 121
 122                 return odf;
 123         }
 124 } /* namespace smartcard_service_api */