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Fix crash when connecting using smartcard

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This commit is contained in:
Aaron Small 2011-12-22 14:23:08 -05:00
parent c8993296d0
commit 7ec1b56e42
1 changed files with 36 additions and 0 deletions
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36
channels/rdpdr/smartcard/scard_operations.c
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@ -1077,16 +1077,52 @@ static uint32 handle_GetAttrib(IRP* irp)
#endif
rv = SCardGetAttrib(hCard, dwAttrId, attrLen == 0 ? NULL : (uint8*) &pbAttr, &attrLen);
if( rv != SCARD_S_SUCCESS ) {
#ifdef SCARD_AUTOALLOCATE
if(dwAttrLen == 0)
{
attrLen = 0;
}
else
{
attrLen = SCARD_AUTOALLOCATE;
}
#endif
}
if(dwAttrId == SCARD_ATTR_DEVICE_FRIENDLY_NAME_A && rv == SCARD_E_UNSUPPORTED_FEATURE)
{
rv = SCardGetAttrib(hCard, SCARD_ATTR_DEVICE_FRIENDLY_NAME_W,
attrLen == 0 ? NULL : (uint8*) &pbAttr, &attrLen);
if( rv != SCARD_S_SUCCESS ) {
#ifdef SCARD_AUTOALLOCATE
if(dwAttrLen == 0)
{
attrLen = 0;
}
else
{
attrLen = SCARD_AUTOALLOCATE;
}
#endif
}
}
if(dwAttrId == SCARD_ATTR_DEVICE_FRIENDLY_NAME_W && rv == SCARD_E_UNSUPPORTED_FEATURE)
{
rv = SCardGetAttrib(hCard, SCARD_ATTR_DEVICE_FRIENDLY_NAME_A,
attrLen == 0 ? NULL : (uint8*) &pbAttr, &attrLen);
if( rv != SCARD_S_SUCCESS ) {
#ifdef SCARD_AUTOALLOCATE
if(dwAttrLen == 0)
{
attrLen = 0;
}
else
{
attrLen = SCARD_AUTOALLOCATE;
}
#endif
}
}
if(attrLen > dwAttrLen && pbAttr != NULL)
{