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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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|
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SCARD_ATRMASK SupportedATR [] = |
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{ |
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{ // v2 |
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21, |
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//3B DA 18 FF 81 B1 FE 75 1F 03 00 31 C5 73 C0 01 40 00 90 00 0C |
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{0x3B,0xDA,0x18,0xFF,0x81,0xB1,0xFE,0x75,0x1F,0x03, |
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0x00,0x31,0xC5,0x73,0xC0,0x01,0x40,0x00,0x90,0x00,0x0C}, |
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{0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, |
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0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF} |
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}, |
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{ // v1 |
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20, |
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//3B FA 13 00 FF 81 31 80 45 00 31 C1 73 C0 01 00 00 90 00 B1 |
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{0x3B,0xFA,0x13,0x00,0xFF,0x81,0x31,0x80,0x45,0x00, |
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0x31,0xC1,0x73,0xC0,0x01,0x00,0x00,0x90,0x00,0xB1}, |
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{0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, |
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0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF} |
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} |
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}; |
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DWORD dwSupportedATRCount = ARRAYSIZE(SupportedATR); |
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|
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BOOL find_compacttlv(__in PBYTE pbData, __in DWORD dwTotalSize, __in BYTE bCode, __out PBYTE *pbDataOut, __out_opt PDWORD pdwSize) |
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{ |
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DWORD dwOffset = 0; |
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DWORD dwSize; |
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while (dwOffset < dwTotalSize) |
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{ |
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if (bCode * 0x10 == (pbData[dwOffset] & 0xF0) ) |
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{ |
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dwSize = (pbData[dwOffset] & 0x0F); |
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if (pdwSize) |
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{ |
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*pdwSize = dwSize; |
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} |
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dwOffset++; |
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// size sequence |
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|
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*pbDataOut = pbData + dwOffset; |
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return TRUE; |
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} |
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else |
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{ |
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|
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dwSize = (pbData[dwOffset] & 0x0F); |
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dwOffset += dwSize + 1; |
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} |
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} |
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return FALSE; |
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} |
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|
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|
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|
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DWORD CheckContextEx(__in PCARD_DATA pCardData, __in BOOL fOpenPGPContextShouldBeNotNull) |
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{ |
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DWORD dwReturn; |
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DWORD dwI, dwJ; |
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BOOL fFound = FALSE; |
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BOOL fRightATRLenFound = FALSE; |
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__try |
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{ |
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if ( pCardData == NULL ) |
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{ |
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Trace(WINEVENT_LEVEL_ERROR, L"pCardData == NULL"); |
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dwReturn = SCARD_E_INVALID_PARAMETER; |
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__leave; |
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} |
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if (pCardData->pbAtr == NULL) |
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{ |
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Trace(WINEVENT_LEVEL_ERROR, L"pCardData->pbAtr == NULL"); |
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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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if (pCardData->dwVersion < CARD_DATA_VERSION_SIX) |
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{ |
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Trace(WINEVENT_LEVEL_ERROR, L"pCardData->dwVersion(%d) < CARD_DATA_VERSION_SIX", pCardData->dwVersion); |
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dwReturn = ERROR_REVISION_MISMATCH; |
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__leave; |
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} |
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pCardData->dwVersion = min(pCardData->dwVersion, CARD_DATA_VERSION_SIX); |
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for (dwI = 0; dwI < dwSupportedATRCount; dwI++) |
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{ |
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if (SupportedATR[dwI].cbAtr == pCardData->cbAtr) |
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{ |
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BYTE pbAtr[36]; |
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fRightATRLenFound = TRUE; |
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memcpy(pbAtr, pCardData->pbAtr, SupportedATR[dwI].cbAtr); |
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for( dwJ = 0; dwJ < SupportedATR[dwI].cbAtr; dwJ++) |
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{ |
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pbAtr[dwJ] &= SupportedATR[dwI].rgbMask[dwJ]; |
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} |
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if (memcmp(pbAtr, SupportedATR[dwI].rgbAtr, SupportedATR[dwI].cbAtr) == 0) |
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{ |
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fFound = TRUE; |
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//Trace(WINEVENT_LEVEL_VERBOSE, L"card match ATR %d", dwI); |
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break; |
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} |
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|
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} |
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} |
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if (!fRightATRLenFound) |
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{ |
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Trace(WINEVENT_LEVEL_ERROR, L"card doesn't match ATR len %d",pCardData->cbAtr); |
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dwReturn = SCARD_E_INVALID_PARAMETER; |
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__leave; |
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} |
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if (!fFound) |
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{ |
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Trace(WINEVENT_LEVEL_ERROR, L"card doesn't match ATR"); |
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dwReturn = SCARD_E_UNKNOWN_CARD; |
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__leave; |
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} |
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|
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if ( pCardData->pwszCardName == NULL ) |
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{ |
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Trace(WINEVENT_LEVEL_ERROR, L"pCardData->pwszCardName"); |
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dwReturn = SCARD_E_INVALID_PARAMETER; |
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__leave; |
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} |
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/* Memory management functions */ |
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if ( ( pCardData->pfnCspAlloc == NULL ) || |
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( pCardData->pfnCspReAlloc == NULL ) || |
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( pCardData->pfnCspFree == NULL ) ) |
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{ |
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Trace(WINEVENT_LEVEL_ERROR, L"Memory functions null"); |
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dwReturn = SCARD_E_INVALID_PARAMETER; |
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__leave; |
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} |
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if (fOpenPGPContextShouldBeNotNull) |
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{ |
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if (!pCardData->pvVendorSpecific) |
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{ |
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// not found => |
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Trace(WINEVENT_LEVEL_ERROR, L"pCardData->pvVendorSpecific == NULL"); |
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dwReturn = SCARD_E_UNEXPECTED; |
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__leave; |
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} |
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if (pCardData->hSCardCtx == 0) |
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{ |
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Trace(WINEVENT_LEVEL_ERROR, L"pCardData->hSCardCtx == NULL"); |
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dwReturn = SCARD_E_INVALID_PARAMETER; |
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__leave; |
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} |
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if (pCardData->hScard == 0) |
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{ |
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Trace(WINEVENT_LEVEL_ERROR, L"pCardData->hScard == NULL"); |
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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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else |
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{ |
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if (pCardData->pvVendorSpecific) |
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{ |
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Trace(WINEVENT_LEVEL_ERROR, L"pContext != NULL"); |
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dwReturn = SCARD_E_UNEXPECTED; |
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__leave; |
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} |
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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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} |
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return dwReturn; |
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} |
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|
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DWORD CheckContext(__in PCARD_DATA pCardData) |
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{ |
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return CheckContextEx(pCardData, TRUE); |
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} |
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|
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DWORD CleanContext(__in PCARD_DATA pCardData) |
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{ |
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DWORD dwReturn = 0; |
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__try |
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{ |
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if (pCardData) |
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{ |
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if ( pCardData->pvVendorSpecific) |
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{ |
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pCardData->pfnCspFree( pCardData->pvVendorSpecific); |
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pCardData->pvVendorSpecific = NULL; |
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} |
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else |
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{ |
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Trace(WINEVENT_LEVEL_ERROR, L"pCardData->pvVendorSpecific == NULL"); |
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} |
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} |
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else |
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{ |
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Trace(WINEVENT_LEVEL_ERROR, L"pCardData == NULL"); |
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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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} |
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return dwReturn; |
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} |
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|
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|
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DWORD CreateContext(__in PCARD_DATA pCardData, __in DWORD dwFlags) |
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{ |
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DWORD dwReturn; |
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PBYTE pbCapabilities = NULL, pbCardCapabilities; |
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PBYTE pbExtendedCapabilities = NULL; |
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PBYTE pbApplicationIdentifier = NULL; |
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PBYTE pbFingerPrint = NULL; |
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DWORD dwCapabilitiesSize, |
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dwCardCapabilitiesSize, |
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dwApplicationIdentifierSize, |
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dwExtendedCapabilitiesSize, |
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dwFingerPrintSize; |
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DWORD dwI; |
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BYTE bCategoryIndicator, bStatusIndicator; |
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POPENPGP_CONTEXT pContext; |
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__try |
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{ |
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dwReturn = CheckContextEx(pCardData, FALSE); |
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if (dwReturn) |
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{ |
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Trace(WINEVENT_LEVEL_ERROR, L"CheckContext"); |
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__leave; |
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} |
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if (!(dwFlags & CARD_SECURE_KEY_INJECTION_NO_CARD_MODE)) |
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{ |
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if (pCardData->hSCardCtx == 0) |
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{ |
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Trace(WINEVENT_LEVEL_ERROR, L"pCardData->hSCardCtx == NULL"); |
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dwReturn = SCARD_E_INVALID_HANDLE; |
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__leave; |
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} |
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if (pCardData->hScard == 0) |
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{ |
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Trace(WINEVENT_LEVEL_ERROR, L"pCardData->hScard == NULL"); |
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dwReturn = SCARD_E_INVALID_HANDLE; |
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__leave; |
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} |
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} |
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|
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// not found => initialize context |
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pContext = pCardData->pfnCspAlloc(sizeof(OPENPGP_CONTEXT)); |
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if (!pContext) |
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{ |
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Trace(WINEVENT_LEVEL_ERROR, L"SCARD_E_NO_MEMORY"); |
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dwReturn = SCARD_E_NO_MEMORY; |
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__leave; |
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} |
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memset(pContext, 0, sizeof(OPENPGP_CONTEXT)); |
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pCardData->pvVendorSpecific = pContext; |
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|
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dwReturn = SelectOpenPGPApplication(pCardData); |
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if (dwReturn) |
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{ |
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Trace(WINEVENT_LEVEL_ERROR, L"No SelectOpenPGPApplication"); |
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__leave; |
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} |
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dwReturn = OCardReadFile(pCardData, szOpenPGPDir, szOpenPGPApplicationIdentifier, &pbApplicationIdentifier, &dwApplicationIdentifierSize); |
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if (dwReturn) |
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{ |
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__leave; |
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} |
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if (dwApplicationIdentifierSize != sizeof(OPENPGP_AID)) |
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{ |
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Trace(WINEVENT_LEVEL_ERROR, L"dwApplicationIdentifierSize = %02X", dwApplicationIdentifierSize); |
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dwReturn = SCARD_E_UNEXPECTED; |
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__leave; |
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} |
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memcpy(&(pContext->Aid),pbApplicationIdentifier,sizeof(OPENPGP_AID)); |
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dwReturn = OCardReadFile(pCardData, szOpenPGPDir, szOpenPGPHistoricalBytes, &pbCapabilities, &dwCapabilitiesSize); |
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if (dwReturn) |
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{ |
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__leave; |
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} |
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bCategoryIndicator = pbCapabilities[0]; |
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if (bCategoryIndicator != 0) |
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{ |
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Trace(WINEVENT_LEVEL_ERROR, L"bCategoryIndicator = %02X", bCategoryIndicator); |
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dwReturn = SCARD_E_UNEXPECTED; |
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__leave; |
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} |
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bStatusIndicator = pbCapabilities[dwCapabilitiesSize -3]; |
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if (bStatusIndicator != 0 && bStatusIndicator != 03 && bStatusIndicator != 05) |
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{ |
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Trace(WINEVENT_LEVEL_ERROR, L"bStatusIndicator = %02X", bStatusIndicator); |
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dwReturn = SCARD_E_UNEXPECTED; |
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__leave; |
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} |
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if (!find_compacttlv(pbCapabilities + 1, dwCapabilitiesSize - 1, 7, &pbCardCapabilities, &dwCardCapabilitiesSize)) |
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{ |
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Trace(WINEVENT_LEVEL_ERROR, L"tlv not found"); |
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dwReturn = SCARD_E_UNEXPECTED; |
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__leave; |
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} |
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if (dwCardCapabilitiesSize != 3) |
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{ |
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Trace(WINEVENT_LEVEL_ERROR, L"dwCardCapabilitiesSize = %02X", dwCardCapabilitiesSize); |
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dwReturn = SCARD_E_UNEXPECTED; |
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__leave; |
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} |
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dwReturn = OCardReadFile(pCardData, szOpenPGPDir, szOpenPGPExtendedCap, &pbExtendedCapabilities, &dwExtendedCapabilitiesSize); |
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if (dwReturn) |
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{ |
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__leave; |
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} |
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pContext->fExtentedLeLcFields = ((pbCardCapabilities[2] & 0x40)?TRUE:FALSE); |
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pContext->fSupportCommandChaining = ((pbCardCapabilities[2] & 0x80)?TRUE:FALSE); |
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pContext->bSecureMessagingAlgorithm = pbExtendedCapabilities[1]; |
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pContext->dwMaxChallengeLength = pbExtendedCapabilities[2] * 0x100 + pbExtendedCapabilities[3]; |
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pContext->dwMaxCertificateLength = pbExtendedCapabilities[4] * 0x100 + pbExtendedCapabilities[5]; |
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pContext->dwMaxCommandDataLength = pbExtendedCapabilities[6] * 0x100 + pbExtendedCapabilities[7]; |
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pContext->dwMaxResponseLength = pbExtendedCapabilities[8] * 0x100 + pbExtendedCapabilities[9]; |
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pContext->fIsReadOnly = TRUE; |
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dwReturn = OCardReadFile(pCardData, szOpenPGPDir, szOpenPGPFingerprint, &pbFingerPrint, &dwFingerPrintSize); |
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if (dwReturn) |
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{ |
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__leave; |
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} |
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if (dwFingerPrintSize != 60) |
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{ |
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Trace(WINEVENT_LEVEL_ERROR, L"dwFingerPrintSize = %02X", dwFingerPrintSize); |
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dwReturn = SCARD_E_UNEXPECTED; |
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__leave; |
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} |
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pContext->fHasSignature = FALSE; |
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for( dwI = 0; dwI < 20; dwI++) |
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{ |
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if (pbFingerPrint[dwI] != 0) |
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{ |
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pContext->fHasSignature = TRUE; |
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break; |
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} |
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} |
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pContext->fHasDecryption = FALSE; |
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for( dwI = 20; dwI < 40; dwI++) |
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{ |
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if (pbFingerPrint[dwI] != 0) |
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{ |
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pContext->fHasDecryption = TRUE; |
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break; |
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} |
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} |
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pContext->fHasAuthentication = FALSE; |
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for( dwI = 40; dwI < 60; dwI++) |
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{ |
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if (pbFingerPrint[dwI] != 0) |
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{ |
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pContext->fHasAuthentication = TRUE; |
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break; |
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} |
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} |
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dwReturn = CCIDgetFeatures(pCardData); |
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if (dwReturn) |
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{ |
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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 (pbFingerPrint) |
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pCardData->pfnCspFree(pbFingerPrint); |
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if (pbApplicationIdentifier) |
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pCardData->pfnCspFree(pbApplicationIdentifier); |
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if (pbCapabilities) |
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pCardData->pfnCspFree(pbCapabilities); |
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if (pbExtendedCapabilities) |
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pCardData->pfnCspFree(pbExtendedCapabilities); |
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} |
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return dwReturn; |
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} |
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