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/* OpenPGP Smart Card Mini Driver |
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Copyright (C) 2009 Vincent Le Toux |
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|
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This library is Free software; you can redistribute it and/or |
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modify it under the terms of the GNU Lesser General Public |
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License version 2.1 as published by the Free Software Foundation. |
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|
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This library is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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Lesser General Public License for more details. |
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|
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You should have received a copy of the GNU Lesser General Public |
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License along with this library; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*/ |
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|
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#include <windows.h> |
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#include <cardmod.h> |
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#include "Tracing.h" |
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#include "Context.h" |
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#include "SmartCard.h" |
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#include "PublicDataOperations.h" |
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#include "PinOperations.h" |
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|
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|
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DWORD CheckPinLength(__in PCARD_DATA pCardData, __in PIN_ID PinId, __in DWORD cbPin) |
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{ |
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DWORD dwReturn; |
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PBYTE pbResponse = NULL; |
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DWORD dwMinPinSize = 0, dwMaxPinSize; |
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__try |
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{ |
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Trace(WINEVENT_LEVEL_VERBOSE, L"Enter PinId=%d",PinId); |
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// check min Pin length |
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// (hard coded in specication) |
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switch(PinId) |
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{ |
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case ROLE_SIGNATURE: |
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case ROLE_AUTHENTICATION: |
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case ROLE_CONFIDENTIALITY: |
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dwMinPinSize = 6; |
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case ROLE_PUK: |
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break; |
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case ROLE_ADMIN: |
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dwMinPinSize = 8; |
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break; |
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default: |
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dwReturn = SCARD_E_INVALID_PARAMETER; |
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__leave; |
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} |
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if (cbPin < dwMinPinSize) |
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{ |
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Trace(WINEVENT_LEVEL_ERROR, L"SCARD_W_WRONG_CHV ROLE = %d cbPin = %d minPinSize = %d",PinId, cbPin, dwMinPinSize); |
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dwReturn = SCARD_W_WRONG_CHV; |
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__leave; |
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} |
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// check in status DO |
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dwReturn = SCardReadFile(pCardData, szOpenPGPDir, szOpenPGPStatus, &pbResponse, NULL); |
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switch(PinId) |
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{ |
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case ROLE_SIGNATURE: |
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case ROLE_AUTHENTICATION: |
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case ROLE_CONFIDENTIALITY: |
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dwMaxPinSize = pbResponse[1]; |
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break; |
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case ROLE_PUK: |
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dwMaxPinSize = pbResponse[2]; |
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break; |
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case ROLE_ADMIN: |
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dwMaxPinSize = pbResponse[3]; |
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break; |
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default: |
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dwReturn = SCARD_E_INVALID_PARAMETER; |
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__leave; |
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} |
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if (cbPin > dwMaxPinSize) |
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{ |
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Trace(WINEVENT_LEVEL_ERROR, L"SCARD_W_WRONG_CHV ROLE = %d cbPin = %d dwMaxPinSize = %d", PinId, cbPin, dwMaxPinSize); |
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dwReturn = SCARD_W_WRONG_CHV; |
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__leave; |
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} |
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dwReturn = 0; |
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} |
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__finally |
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{ |
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if (pbResponse) |
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pCardData->pfnCspFree(pbResponse); |
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} |
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return dwReturn; |
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} |
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|
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DWORD GetRemainingPin(__in PCARD_DATA pCardData, __in PIN_ID PinId, __out PDWORD pdwCounter) |
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{ |
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DWORD dwReturn; |
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PBYTE pbResponse = NULL; |
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__try |
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{ |
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Trace(WINEVENT_LEVEL_VERBOSE, L"Enter PinId=%d",PinId); |
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dwReturn = SCardReadFile(pCardData, szOpenPGPDir, szOpenPGPStatus, &pbResponse, NULL); |
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switch(PinId) |
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{ |
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case ROLE_SIGNATURE: |
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case ROLE_AUTHENTICATION: |
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case ROLE_CONFIDENTIALITY: |
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*pdwCounter = pbResponse[4]; |
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break; |
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case ROLE_PUK: |
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*pdwCounter = pbResponse[5]; |
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break; |
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case ROLE_ADMIN: |
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*pdwCounter = pbResponse[6]; |
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break; |
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default: |
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dwReturn = SCARD_E_INVALID_PARAMETER; |
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__leave; |
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} |
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} |
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__finally |
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{ |
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if (pbResponse) |
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pCardData->pfnCspFree(pbResponse); |
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} |
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return dwReturn; |
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} |
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|
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DWORD VerifyPIN(__in PCARD_DATA pCardData,__in PIN_ID PinId, |
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__in_bcount(cbPin) PBYTE pbPin, __in DWORD cbPin) |
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{ |
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DWORD dwReturn; |
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// 256 because the size of the PIN must fit in a Byte |
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BYTE pbCmd[256 + 5] = {0x00, |
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0x20, |
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0x00, |
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0x82, |
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0x00 |
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}; |
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__try |
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{ |
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Trace(WINEVENT_LEVEL_VERBOSE, L"Enter PinId=%d",PinId); |
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switch(PinId) |
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{ |
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case ROLE_SIGNATURE: |
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pbCmd[3] = 0x81; |
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break; |
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case ROLE_AUTHENTICATION: |
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case ROLE_CONFIDENTIALITY: |
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pbCmd[3] = 0x82; |
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break; |
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case ROLE_ADMIN: |
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pbCmd[3] = 0x83; |
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break; |
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case ROLE_PUK: |
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dwReturn = SCARD_E_UNSUPPORTED_FEATURE; |
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__leave; |
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default: |
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dwReturn = SCARD_E_INVALID_PARAMETER; |
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__leave; |
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} |
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pbCmd[4] = (BYTE) cbPin; |
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memcpy(pbCmd + 5, pbPin, cbPin); |
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dwReturn = SCardSendCommand(pCardData, pbCmd, 5 + cbPin); |
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if (dwReturn) |
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{ |
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__leave; |
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} |
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/*switch(PinId) |
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{ |
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case ROLE_AUTHENTICATION: |
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case ROLE_CONFIDENTIALITY: |
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dwReturn = VerifyPIN(pCardData, ROLE_SIGNATURE, pbPin, cbPin); |
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break; |
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}*/ |
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|
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} |
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__finally |
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{ |
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SecureZeroMemory(pbCmd, ARRAYSIZE(pbCmd)); |
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} |
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|
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return dwReturn; |
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} |
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|
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DWORD ChangePIN(__in PCARD_DATA pCardData, __in PIN_ID PinId, |
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__in_bcount(cbPin) PBYTE pbOldPin, __in DWORD cbOldPin, |
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__in_bcount(cbPin) PBYTE pbNewPin, __in DWORD cbNewPin |
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) |
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{ |
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DWORD dwReturn; |
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// 256 because the size of the PIN must fit in a Byte |
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BYTE pbCmd[256 + 256 + 6] = {0x00, |
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0x24, |
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0x00, |
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0x81, |
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0x00 |
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}; |
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__try |
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{ |
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Trace(WINEVENT_LEVEL_VERBOSE, L"Enter PinId=%d",PinId); |
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dwReturn = CheckPinLength(pCardData, PinId, cbOldPin); |
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if (dwReturn) |
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{ |
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__leave; |
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} |
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switch(PinId) |
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{ |
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case ROLE_SIGNATURE: |
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case ROLE_AUTHENTICATION: |
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case ROLE_CONFIDENTIALITY: |
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pbCmd[3] = 0x81; |
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break; |
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case ROLE_ADMIN: |
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pbCmd[3] = 0x83; |
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break; |
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case ROLE_PUK: |
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dwReturn = SCARD_E_UNSUPPORTED_FEATURE; |
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__leave; |
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default: |
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dwReturn = SCARD_E_INVALID_PARAMETER; |
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__leave; |
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} |
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pbCmd[4] = (BYTE) (cbOldPin + cbNewPin); |
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memcpy(pbCmd + 5, pbOldPin, cbOldPin); |
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memcpy(pbCmd + 5 + cbOldPin, pbNewPin, cbNewPin); |
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dwReturn = SCardSendCommand(pCardData, pbCmd, 5 + cbOldPin + cbNewPin); |
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} |
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__finally |
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{ |
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SecureZeroMemory(pbCmd, ARRAYSIZE(pbCmd)); |
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} |
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return dwReturn; |
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} |
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|
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/** only the user PIN can be reseted => target is implicit*/ |
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DWORD ResetUserPIN(__in PCARD_DATA pCardData, __in PIN_ID PinId, |
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__in_bcount(cbPin) PBYTE pbAuthenticator, __in DWORD cbAuthenticator, |
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__in_bcount(cbPin) PBYTE pbNewPin, __in DWORD cbNewPin |
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) |
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{ |
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DWORD dwReturn; |
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BYTE pbCmd[256 + 5] = {0x00, |
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0x2C, |
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0x02, |
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0x81, |
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0x00 |
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}; |
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DWORD dwCmdSize; |
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|
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__try |
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{ |
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Trace(WINEVENT_LEVEL_VERBOSE, L"Enter PinId=%d",PinId); |
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switch(PinId) |
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{ |
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case ROLE_ADMIN: |
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// authenticate the admin |
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dwReturn = VerifyPIN(pCardData, PinId, pbAuthenticator, cbAuthenticator); |
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if (!dwReturn) |
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{ |
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return dwReturn; |
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} |
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pbCmd[4] = (BYTE) cbAuthenticator; |
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memcpy(pbCmd + 5, pbNewPin, cbNewPin); |
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dwCmdSize = 5 + cbNewPin; |
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break; |
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case ROLE_PUK: |
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dwReturn = CheckPinLength(pCardData, PinId, cbAuthenticator); |
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if (dwReturn) |
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{ |
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__leave; |
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} |
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pbCmd[2] = 0x00; |
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pbCmd[4] = (BYTE) (cbAuthenticator + cbNewPin); |
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memcpy(pbCmd + 5, pbAuthenticator, cbAuthenticator); |
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memcpy(pbCmd + 5 + cbAuthenticator, pbNewPin, cbNewPin); |
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dwCmdSize = 5 + cbNewPin + cbAuthenticator; |
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break; |
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default: |
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dwReturn = SCARD_E_INVALID_PARAMETER; |
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__leave; |
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} |
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dwReturn = SCardSendCommand(pCardData, pbCmd, dwCmdSize); |
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} |
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__finally |
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{ |
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SecureZeroMemory(pbCmd, ARRAYSIZE(pbCmd)); |
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} |
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return dwReturn; |
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} |
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|
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DWORD Deauthenticate(__in PCARD_DATA pCardData) |
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{ |
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DWORD dwAP; |
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DWORD dwReturn; |
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__try |
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{ |
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// reset the card |
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Trace(WINEVENT_LEVEL_VERBOSE, L"Enter"); |
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dwReturn = SCardReconnect(pCardData->hScard, |
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SCARD_SHARE_SHARED, |
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SCARD_PROTOCOL_T0 | SCARD_PROTOCOL_T1, |
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SCARD_LEAVE_CARD, |
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&dwAP ); |
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if (dwReturn) |
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{ |
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Trace(WINEVENT_LEVEL_ERROR, L"SCardControl 0x%08X", dwReturn); |
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__leave; |
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} |
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// regain the ownership of a transaction |
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dwReturn = SCardBeginTransaction(pCardData->hScard); |
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if (dwReturn) |
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{ |
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Trace(WINEVENT_LEVEL_ERROR, L"SCardBeginTransaction 0x%08X", dwReturn); |
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__leave; |
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} |
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dwReturn = SelectOpenPGPApplication(pCardData); |
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} |
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__finally |
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{ |
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} |
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return dwReturn; |
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} |
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