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         const 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_AID);
  57                 if (ret >= SCARD_ERROR_OK) {
  58                         _DBG("response : %s", selectResponse.toString().c_str());
  59                 } else if (ret == ResponseHelper::ERROR_FILE_NOT_FOUND) {
  60                         _ERR("PKCS15 AID not found, search in EF DIR");
  61
  62                         ret = selectFromEFDIR();
  63                         if (ret >= SCARD_ERROR_OK) {
  64                                 _DBG("response : %s", selectResponse.toString().c_str());
  65                         } else {
  66                                 _ERR("PKCS15 select failed, [%d]", ret);
  67                         }
  68                 } else {
  69                         _ERR("PKCS15 select failed, [%d]", ret);
  70                 }
  71
  72                 return ret;
  73         }
  74
  75         int PKCS15::selectFromEFDIR()
  76         {
  77                 int ret;
  78                 ByteArray path;
  79                 EFDIR dir(channel);
  80
  81                 ret = dir.select();
  82                 if (ret >= SCARD_ERROR_OK) {
  83                         path = dir.getPathByAID(PKCS15_AID);
  84                         if (path.size() > 0) {
  85                                 ret = PKCS15Object::select(path, false);
  86                                 if (ret < SCARD_ERROR_OK) {
  87                                         _ERR("PKCS15 select failed, [%d]", ret);
  88                                 }
  89                         } else {
  90                                 _ERR("PKCS15 path is not found");
  91                                 ret = SCARD_ERROR_NOT_SUPPORTED;
  92                         }
  93                 } else {
  94                         _ERR("select EFDIR failed, [%x]", -ret);
  95                 }
  96
  97                 return ret;
  98         }
  99
 100         PKCS15ODF *PKCS15::getODF()
 101         {
 102                 if (odf == NULL)
 103                 {
 104                         odf = new PKCS15ODF(channel);
 105
 106                         if (odf != NULL && odf->isClosed() == true)
 107                         {
 108                                 _ERR("failed to open ODF");
 109
 110                                 delete odf;
 111                                 odf = NULL;
 112                         }
 113                 }
 114
 115                 _DBG("odf [%p]", odf);
 116
 117                 return odf;
 118         }
 119 } /* namespace smartcard_service_api */