public SCardError SetAttrib(IntPtr hCard, IntPtr attributeId, byte[] sendBuffer, int sendBufferLength)
{
IntPtr cbAttrLen;
if (sendBuffer != null)
{
if (sendBufferLength > sendBuffer.Length || sendBufferLength < 0)
{
throw new ArgumentOutOfRangeException(nameof(sendBufferLength));
}
cbAttrLen = (IntPtr)sendBufferLength;
}
else
{
cbAttrLen = IntPtr.Zero;
}
return(SCardHelper.ToSCardError(
LinuxNativeMethods.SCardSetAttrib(
hCard,
attributeId,
sendBuffer,
cbAttrLen)));
}
public SCardError ListReaderGroups(IntPtr hContext, out string[] groups)
{
var dwGroups = IntPtr.Zero;
// determine the needed buffer size
var rc = SCardHelper.ToSCardError(
LinuxNativeMethods.SCardListReaderGroups(
hContext,
null,
ref dwGroups));
if (rc != SCardError.Success)
{
groups = null;
return(rc);
}
// initialize array for returning group names
var mszGroups = new byte[(int)dwGroups];
rc = SCardHelper.ToSCardError(
LinuxNativeMethods.SCardListReaderGroups(
hContext,
mszGroups,
ref dwGroups));
groups = (rc == SCardError.Success)
? SCardHelper.ConvertToStringArray(mszGroups, TextEncoding)
: null;
return(rc);
}
public SCardError GetStatusChange(IntPtr hContext, IntPtr dwTimeout, SCardReaderState[] rgReaderStates)
{
SCARD_READERSTATE[] readerstates = null;
var cReaders = 0;
if (rgReaderStates != null)
{
// copy the last known state into the buffer
cReaders = rgReaderStates.Length;
readerstates = new SCARD_READERSTATE[cReaders];
for (var i = 0; i < cReaders; i++)
{
readerstates[i] = rgReaderStates[i].LinuxReaderState;
}
}
var rc = SCardHelper.ToSCardError(LinuxNativeMethods.SCardGetStatusChange(
hContext,
dwTimeout,
readerstates,
(IntPtr)cReaders));
if (rc != SCardError.Success || rgReaderStates == null)
{
return(rc);
}
for (var i = 0; i < cReaders; i++)
{
// replace with returned values
rgReaderStates[i].LinuxReaderState = readerstates[i];
}
return(rc);
}
public SCardError Transmit(IntPtr hCard, IntPtr pioSendPci, byte[] pbSendBuffer, int pcbSendLength,
IntPtr pioRecvPci, byte[] pbRecvBuffer, ref int pcbRecvLength)
{
var recvlen = IntPtr.Zero;
if (pbRecvBuffer != null)
{
if (pcbRecvLength > pbRecvBuffer.Length || pcbRecvLength < 0)
{
throw new ArgumentOutOfRangeException(nameof(pcbRecvLength));
}
recvlen = (IntPtr)pcbRecvLength;
}
else
{
if (pcbRecvLength != 0)
{
throw new ArgumentOutOfRangeException(nameof(pcbRecvLength));
}
}
var sendbuflen = IntPtr.Zero;
if (pbSendBuffer != null)
{
if (pcbSendLength > pbSendBuffer.Length || pcbSendLength < 0)
{
throw new ArgumentOutOfRangeException(nameof(pcbSendLength));
}
sendbuflen = (IntPtr)pcbSendLength;
}
else
{
if (pcbSendLength != 0)
{
throw new ArgumentOutOfRangeException(nameof(pcbSendLength));
}
}
var rc = SCardHelper.ToSCardError(LinuxNativeMethods.SCardTransmit(
hCard,
pioSendPci,
pbSendBuffer,
sendbuflen,
pioRecvPci,
pbRecvBuffer,
ref recvlen));
pcbRecvLength = (int)recvlen;
return(rc);
}
public SCardError EstablishContext(SCardScope dwScope, IntPtr pvReserved1, IntPtr pvReserved2,
out IntPtr phContext)
{
var ctx = IntPtr.Zero;
var rc = SCardHelper.ToSCardError(LinuxNativeMethods.SCardEstablishContext(
(IntPtr)dwScope,
pvReserved1,
pvReserved2,
ref ctx));
phContext = ctx;
return(rc);
}
public SCardError Reconnect(IntPtr hCard, SCardShareMode dwShareMode, SCardProtocol dwPreferredProtocols,
SCardReaderDisposition dwInitialization, out SCardProtocol pdwActiveProtocol)
{
var result = LinuxNativeMethods.SCardReconnect(
hCard,
(IntPtr)dwShareMode,
(IntPtr)dwPreferredProtocols,
(IntPtr)dwInitialization,
out var activeproto);
pdwActiveProtocol = (SCardProtocol)activeproto;
return(SCardHelper.ToSCardError(result));
}
public SCardError Connect(IntPtr hContext, string szReader, SCardShareMode dwShareMode,
SCardProtocol dwPreferredProtocols, out IntPtr phCard, out SCardProtocol pdwActiveProtocol)
{
var readername = SCardHelper.ConvertToByteArray(szReader, TextEncoding, Platform.Lib.CharSize);
var result = LinuxNativeMethods.SCardConnect(hContext,
readername,
(IntPtr)dwShareMode,
(IntPtr)dwPreferredProtocols,
out phCard,
out var activeproto);
pdwActiveProtocol = (SCardProtocol)activeproto;
return(SCardHelper.ToSCardError(result));
}
public SCardError Control(IntPtr hCard, IntPtr dwControlCode, byte[] pbSendBuffer, int sendBufferLength,
byte[] pbRecvBuffer, int recvBufferLength,
out int lpBytesReturned)
{
if (pbSendBuffer == null && sendBufferLength > 0)
{
throw new ArgumentException("send buffer is null", nameof(sendBufferLength));
}
if ((pbSendBuffer != null && pbSendBuffer.Length < sendBufferLength) || sendBufferLength < 0)
{
throw new ArgumentOutOfRangeException(nameof(sendBufferLength));
}
if (pbRecvBuffer == null && recvBufferLength > 0)
{
throw new ArgumentException("receive buffer is null", nameof(recvBufferLength));
}
if ((pbRecvBuffer != null && pbRecvBuffer.Length < recvBufferLength) || recvBufferLength < 0)
{
throw new ArgumentOutOfRangeException(nameof(recvBufferLength));
}
var sendbuflen = (IntPtr)sendBufferLength;
var recvbuflen = (IntPtr)recvBufferLength;
var rc = SCardHelper.ToSCardError(LinuxNativeMethods.SCardControl(
hCard,
dwControlCode,
pbSendBuffer,
sendbuflen,
pbRecvBuffer,
recvbuflen,
out var bytesret));
lpBytesReturned = (int)bytesret;
return(rc);
}
public SCardError GetAttrib(IntPtr hCard, IntPtr attributeId, byte[] receiveBuffer, int receiveBufferLength,
out int attributeLength)
{
if (receiveBuffer == null && receiveBufferLength != 0)
{
throw new ArgumentOutOfRangeException(nameof(receiveBufferLength));
}
if (receiveBuffer != null && (receiveBufferLength < 0 || receiveBufferLength > receiveBuffer.Length))
{
throw new ArgumentOutOfRangeException(nameof(receiveBufferLength));
}
var attrlen = (IntPtr)receiveBufferLength;
var rc = SCardHelper.ToSCardError(LinuxNativeMethods.SCardGetAttrib(
hCard,
attributeId,
receiveBuffer,
ref attrlen));
attributeLength = (int)attrlen;
return(rc);
}
public IntPtr GetSymFromLib(string symName)
{
return(LinuxNativeMethods.GetSymFromLib(symName));
}
public SCardError Cancel(IntPtr hContext)
{
return(SCardHelper.ToSCardError(LinuxNativeMethods.SCardCancel(hContext)));
}
public SCardError EndTransaction(IntPtr hCard, SCardReaderDisposition dwDisposition)
{
return(SCardHelper.ToSCardError(LinuxNativeMethods.SCardEndTransaction(hCard, (IntPtr)dwDisposition)));
}
public SCardError BeginTransaction(IntPtr hCard)
{
return(SCardHelper.ToSCardError(LinuxNativeMethods.SCardBeginTransaction(hCard)));
}
public SCardError Disconnect(IntPtr hCard, SCardReaderDisposition dwDisposition)
{
return(SCardHelper.ToSCardError(LinuxNativeMethods.SCardDisconnect(hCard, (IntPtr)dwDisposition)));
}
public SCardError ReleaseContext(IntPtr hContext)
{
return(SCardHelper.ToSCardError(LinuxNativeMethods.SCardReleaseContext(hContext)));
}
public SCardError IsValidContext(IntPtr hContext)
{
return(SCardHelper.ToSCardError(LinuxNativeMethods.SCardIsValidContext(hContext)));
}
public SCardError Status(IntPtr hCard, out string[] szReaderName, out IntPtr pdwState, out IntPtr pdwProtocol,
out byte[] pbAtr)
{
var readerName = new byte[MAX_READER_NAME * CharSize];
var readerNameSize = (IntPtr)MAX_READER_NAME;
pbAtr = new byte[MAX_ATR_SIZE];
var atrlen = (IntPtr)pbAtr.Length;
var rc = SCardHelper.ToSCardError(LinuxNativeMethods.SCardStatus(
hCard,
readerName,
ref readerNameSize,
out var state,
out var proto,
pbAtr,
ref atrlen));
if (rc == SCardError.InsufficientBuffer || (MAX_READER_NAME < ((int)readerNameSize)) ||
(pbAtr.Length < (int)atrlen))
{
// second try
if (MAX_READER_NAME < ((int)readerNameSize))
{
// readername byte array was too short
readerName = new byte[(int)readerNameSize * CharSize];
}
if (pbAtr.Length < (int)atrlen)
{
// ATR byte array was too short
pbAtr = new byte[(int)atrlen];
}
rc = SCardHelper.ToSCardError(LinuxNativeMethods.SCardStatus(
hCard,
readerName,
ref readerNameSize,
out state,
out proto,
pbAtr,
ref atrlen));
}
pdwState = state;
pdwProtocol = proto;
if (rc == SCardError.Success)
{
state = state.Mask(STATUS_MASK);
if ((int)atrlen < pbAtr.Length)
{
Array.Resize(ref pbAtr, (int)atrlen);
}
if (((int)readerNameSize) < (readerName.Length / CharSize))
{
Array.Resize(ref readerName, (int)readerNameSize * CharSize);
}
szReaderName = SCardHelper.ConvertToStringArray(readerName, TextEncoding);
}
else
{
szReaderName = null;
}
return(rc);
}
