common/PKCS15ODF.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 "PKCS15ODF.h"
  24 #include "SimpleTLV.h"
  25 #include "NumberStream.h"
  26
  27 namespace smartcard_service_api
  28 {
  29         PKCS15ODF::PKCS15ODF(Channel *channel) :
  30                 PKCS15Object(channel), dodf(NULL)
  31         {
  32                 int ret = 0;
  33
  34                 if ((ret = select(PKCS15ODF::ODF_FID)) >= SCARD_ERROR_OK)
  35                 {
  36                         ByteArray odfData, extra;
  37
  38                         _DBG("response : %s", selectResponse.toString().c_str());
  39
  40                         if ((ret = readBinary(0, 0, getFCP()->getFileSize(), odfData)) == 0)
  41                         {
  42                                 _DBG("odfData : %s", odfData.toString().c_str());
  43
  44                                 parseData(odfData);
  45                         }
  46                         else
  47                         {
  48                                 _ERR("readBinary failed, [%d]", ret);
  49                         }
  50                 }
  51                 else
  52                 {
  53                         _ERR("select failed, [%d]", ret);
  54                 }
  55         }
  56
  57         PKCS15ODF::PKCS15ODF(Channel *channel, const ByteArray &selectResponse) :
  58                 PKCS15Object(channel, selectResponse), dodf(NULL)
  59         {
  60                 int ret = 0;
  61                 ByteArray odfData;
  62
  63                 if ((ret = readBinary(0, 0, 0, odfData)) == 0)
  64                 {
  65                         _DBG("odfData : %s", odfData.toString().c_str());
  66
  67                         parseData(odfData);
  68                 }
  69                 else
  70                 {
  71                         _ERR("readBinary failed, [%d]", ret);
  72                 }
  73         }
  74
  75         PKCS15ODF::~PKCS15ODF()
  76         {
  77                 if (dodf != NULL)
  78                 {
  79                         delete dodf;
  80                         dodf = NULL;
  81                 }
  82         }
  83
  84         bool PKCS15ODF::parseData(const ByteArray &data)
  85         {
  86                 bool result = false;
  87                 SimpleTLV tlv(data);
  88
  89                 while (tlv.decodeTLV())
  90                 {
  91                         switch (tlv.getTag())
  92                         {
  93                         case (unsigned int)0xA7 ://PKCS15ODF::TAG_DODF :
  94                                 {
  95                                         ByteArray dodf;
  96
  97                                         _DBG("TAG_DODF");
  98
  99                                         dodf = PKCS15Object::getOctetStream(tlv.getValue());
 100
 101                                         _DBG("path : %s", dodf.toString().c_str());
 102
 103                                         pair<unsigned int, ByteArray> newPair(tlv.getTag(), dodf);
 104                                         dataList.insert(newPair);
 105                                 }
 106                                 break;
 107
 108                         case (unsigned int)0xA5 ://PKCS15ODF::TAG_TOKENINFO :
 109                                 {
 110                                         ByteArray tokeninfo;
 111
 112                                         _DBG("TAG_TOKENINFO");
 113
 114                                         tokeninfo = PKCS15Object::getOctetStream(tlv.getValue());
 115
 116                                         _DBG("path : %s", tokeninfo.toString().c_str());
 117
 118                                         pair<unsigned int, ByteArray> newPair(tlv.getTag(), tokeninfo);
 119                                         dataList.insert(newPair);
 120                                 }
 121                                 break;
 122
 123                         default :
 124                                 _DBG("Unknown tlv : t [%X], l [%d], v %s",
 125                                         tlv.getTag(), tlv.size(), tlv.getValue().toString().c_str());
 126                                 break;
 127                         }
 128
 129                 }
 130
 131                 _INFO("dataList.size() = %d", dataList.size());
 132
 133                 return result;
 134         }
 135
 136         PKCS15DODF *PKCS15ODF::getDODF()
 137         {
 138                 map<unsigned int, ByteArray>::iterator item;
 139
 140                 if (dodf == NULL)
 141                 {
 142                         item = dataList.find((unsigned int)0xA7/*PKCS15ODF::TAG_DODF*/);
 143                         if (item != dataList.end())
 144                         {
 145                                 NumberStream num(item->second);
 146                                 unsigned int fid = num.getLittleEndianNumber();
 147
 148                                 _DBG("fid [%X]", fid);
 149
 150                                 dodf = new PKCS15DODF(fid, channel);
 151                                 if (dodf != NULL && dodf->isClosed() == true)
 152                                 {
 153                                         _ERR("failed to open DODF");
 154
 155                                         delete dodf;
 156                                         dodf = NULL;
 157                                 }
 158                         }
 159                         else
 160                         {
 161                                 _ERR("[%02X] is not found. total [%d]", TAG_DODF, dataList.size());
 162                         }
 163                 }
 164
 165                 _DBG("dodf [%p]", dodf);
 166
 167                 return dodf;
 168         }
 169
 170 } /* namespace smartcard_service_api */