/// <inheritdoc />
public ErrorCode SCardCancel(IntPtr context)
{
unsafe
{
return(UnsafePrimitives.SCardCancel((void *)context));
}
}
/// <inheritdoc />
public ErrorCode SCardConnect(IntPtr context, string readerName, ShareMode shareMode, Protocol preferedProtocol, ref IntPtr card, ref Protocol activeProtocol)
{
ErrorCode ret;
unsafe
{
var uactiveProtocol = (uint)activeProtocol;
readerName += "\0";
// PC/SC lite does not support unicode, only utf8
// Ensure that encoding of readername if utf8
var def = Encoding.Default.GetBytes(readerName);
var utf8ReaderName = Encoding.Convert(Encoding.Default, Encoding.UTF8, def);
fixed(byte *preaderName = utf8ReaderName)
{
fixed(void *pcard = &card)
{
ret = UnsafePrimitives.SCardConnect(
(void *)context,
(char *)preaderName,
(uint)shareMode,
(uint)preferedProtocol,
(void **)pcard,
&uactiveProtocol
);
activeProtocol = (Protocol)uactiveProtocol;
}
}
}
return(ret);
}
/// <inheritdoc />
public ErrorCode SCardGetAttrib(IntPtr card, UInt32 attributeId, ref byte[] recvAttribute, ref UInt32 recvAttributeSize)
{
ErrorCode ret;
unsafe
{
if (recvAttributeSize == AutoAllocate)
{
fixed(uint *precvAttributeSize = &recvAttributeSize)
{
fixed(byte *precvAttribute = recvAttribute)
{
ret = UnsafePrimitives.SCardGetAttrib(
(void *)card,
attributeId,
precvAttribute,
precvAttributeSize
);
}
if (ret == ErrorCode.Success)
{
recvAttribute = new byte[*precvAttributeSize];
fixed(byte *precvAttribute = recvAttribute)
{
ret = UnsafePrimitives.SCardGetAttrib(
(void *)card,
attributeId,
precvAttribute,
precvAttributeSize
);
}
}
else
{
recvAttributeSize = 0;
recvAttribute = new byte[0];
}
}
}
else
{
fixed(uint *precvAttributeSize = &recvAttributeSize)
{
fixed(byte *precvAttribute = recvAttribute)
{
ret = UnsafePrimitives.SCardGetAttrib(
(void *)card,
attributeId,
precvAttribute,
precvAttributeSize
);
}
}
}
}
return(ret);
}
/// <inheritdoc />
public ErrorCode SCardIsValidContext(IntPtr context)
{
unsafe
{
return(UnsafePrimitives.SCardIsValidContext(
(void *)context
));
}
}
/// <inheritdoc />
public ErrorCode SCardDisconnect(IntPtr card, Disposition disposition)
{
unsafe
{
return(UnsafePrimitives.SCardDisconnect(
(void *)card,
(uint)disposition
));
}
}
/// <inheritdoc />
public ErrorCode SCardListReaders(IntPtr context, string groups, ref IntPtr readers, ref uint size)
{
ErrorCode err;
unsafe
{
// PC/SC lite does not support unicode, only utf8
// Ensure that encoding of groups if utf8
var def = Encoding.Default.GetBytes(groups);
var utf8Groups = Encoding.Convert(Encoding.Default, Encoding.UTF8, def);
fixed(uint *psize = &size)
{
fixed(byte *pgroups = utf8Groups)
{
if (size == AutoAllocate)
{
err = UnsafePrimitives.SCardListReaders(
(void *)context,
(char *)pgroups,
(char *)readers,
psize
);
if (err == ErrorCode.Success)
{
var creaders = new char[*psize];
fixed(char *pcreaders = creaders)
{
err = UnsafePrimitives.SCardListReaders(
(void *)context,
(char *)pgroups,
pcreaders,
psize
);
readers = (IntPtr)pcreaders;
}
}
}
else
{
err = UnsafePrimitives.SCardListReaders(
(void *)context,
(char *)pgroups,
(char *)readers,
psize
);
}
size = *psize;
}
}
}
return(err);
}
/// <inheritdoc />
public ErrorCode SCardReleaseContext(IntPtr context)
{
ErrorCode ret;
unsafe
{
ret = UnsafePrimitives.SCardReleaseContext(
(void *)context
);
if (ret == ErrorCode.Success)
{
ActiveContext = IntPtr.Zero;
}
}
return(ret);
}
/// <inheritdoc />
public ErrorCode SCardStatus(IntPtr card, ref State status, ref Protocol protocol)
{
ErrorCode ret;
unsafe
{
var ustatus = (uint)status;
var uprotocol = (uint)protocol;
uint readerNameSize = 0;
uint atrSize = 0;
ret = UnsafePrimitives.SCardStatus((void *)card, null, &readerNameSize, &ustatus, &uprotocol, null, &atrSize);
status = (State)ustatus;
protocol = (Protocol)uprotocol;
}
return(ret);
}
/// <inheritdoc />
public ErrorCode SCardReconnect(IntPtr card, ShareMode shareMode, Protocol preferedProtocol, Disposition initialisation, ref Protocol activeProtocol)
{
ErrorCode err;
unsafe
{
var protocol = (uint)activeProtocol;
err = UnsafePrimitives.SCardReconnect(
(void *)card,
(uint)shareMode,
(uint)preferedProtocol,
(uint)initialisation,
&protocol
);
activeProtocol = (Protocol)protocol;
}
return(err);
}
/// <inheritdoc />
public ErrorCode SCardListReaderGroups(IntPtr context, ref IntPtr groups, ref uint size)
{
ErrorCode err;
unsafe
{
fixed(uint *psize = &size)
{
if (size == AutoAllocate)
{
err = UnsafePrimitives.SCardListReaderGroups(
(void *)context,
(char *)groups,
psize
);
if (err == ErrorCode.Success)
{
var cgroups = new char[*psize];
fixed(char *pcgroups = cgroups)
{
err = UnsafePrimitives.SCardListReaderGroups(
(void *)context,
pcgroups,
psize
);
groups = (IntPtr)pcgroups;
}
}
}
else
{
err = UnsafePrimitives.SCardListReaderGroups(
(void *)context,
(char *)groups,
psize
);
}
size = *psize;
}
}
return(err);
}
/// <inheritdoc />
public ErrorCode SCardStatus(IntPtr card, ref IntPtr readerName, ref uint readerNameSize, ref State status, ref Protocol protocol, ref IntPtr atr, ref uint atrSize)
{
ErrorCode ret;
unsafe
{
var ustatus = (uint)status;
var uprotocol = (uint)protocol;
fixed(uint *preaderNameSize = &readerNameSize)
{
fixed(uint *patrSize = &atrSize)
{
if (readerNameSize != AutoAllocate && atrSize != AutoAllocate)
{
ret = UnsafePrimitives.SCardStatus(
(void *)card,
(char *)readerName,
(uint *)readerNameSize,
&ustatus,
&uprotocol,
(byte *)atr,
(uint *)atrSize
);
}
else
{
//TODO
throw new NotImplementedException();
}
status = (State)ustatus;
protocol = (Protocol)uprotocol;
readerNameSize = *preaderNameSize;
atrSize = *patrSize;
}
}
}
return(ret);
}
/// <inheritdoc />
public ErrorCode SCardEstablishContext(uint scope, object notUsed1, object notUsed2, ref IntPtr context)
{
ErrorCode ret;
unsafe
{
fixed(void *pcontext = &context)
{
ret = UnsafePrimitives.SCardEstablishContext(
scope,
null,
null,
(void **)pcontext
);
}
if (ret == ErrorCode.Success)
{
ActiveContext = context;
}
}
return(ret);
}
/// <inheritdoc />
public ErrorCode SCardGetStatusChange(IntPtr context, uint timeout, AbstractReaderState[] readerStates, uint readers)
{
ErrorCode ret;
var scReaderStates = new ScardReaderState[readerStates.Length];
for (var i = 0; i < readerStates.Length; i++)
{
scReaderStates[i] = ((ReaderState)readerStates[i]).ScReaderState;
scReaderStates[i].atr = null;
}
unsafe
{
ret = UnsafePrimitives.SCardGetStatusChange((void *)context, timeout, scReaderStates, (uint)scReaderStates.Length);
}
for (var i = 0; i < readerStates.Length; i++)
{
((ReaderState)readerStates[i]).ScReaderState = scReaderStates[i];
}
return(ret);
}
/// <inheritdoc />
public ErrorCode SCardStatus(IntPtr card, ref string readerName, ref State state, ref Protocol protocol, ref byte[] atr)
{
var atrPtr = IntPtr.Zero;
var zReaderNameSize = AutoAllocate;
var zReaderNamePtr = new IntPtr();
var atrSize = AutoAllocate;
var ret = UnsafePrimitives.SCardStatus(
card,
ref zReaderNamePtr,
ref zReaderNameSize,
ref state,
ref protocol,
ref atrPtr,
ref atrSize
);
if (zReaderNamePtr == IntPtr.Zero)
{
readerName = "";
}
else
{
var readerStr = Marshal.PtrToStringAuto(zReaderNamePtr, (int)zReaderNameSize - 2);
readerName = readerStr.Split('\0')[0];
}
if (atrPtr == IntPtr.Zero)
{
atr = new byte[0];
}
else
{
atr = new byte[atrSize];
Marshal.Copy(atrPtr, atr, 0, (int)atrSize);
}
return(ret);
}
/// <inheritdoc />
public ErrorCode SCardSetAttrib(IntPtr card, uint attributeId, byte[] newAttribute, uint newAttributeSize)
{
return(UnsafePrimitives.SCardSetAttrib(card, attributeId, newAttribute, newAttributeSize));
}
/// <inheritdoc />
public ErrorCode SCardControl(IntPtr card, uint controlCode, byte[] sendBuffer, uint sendSize, ref byte[] recvBuffer, uint recvSize, ref uint returnedSize)
{
return(UnsafePrimitives.SCardControl(card, controlCode, sendBuffer, sendSize, ref recvBuffer, recvSize, ref returnedSize));
}
/// <inheritdoc />
public ErrorCode SCardTransmit(IntPtr card, ref AbstractIoRequest sendPci, byte[] sendBuffer, uint sendSize, ref AbstractIoRequest recvPci, ref byte[] recvBuffer, ref uint recvSize)
{
ErrorCode ret;
var ptrsendPci = Marshal.AllocHGlobal(Marshal.SizeOf(((IoRequest)sendPci).ScIoRequest));
Marshal.StructureToPtr(((IoRequest)sendPci).ScIoRequest, ptrsendPci, true);
var ptrrecvPci = Marshal.AllocHGlobal(Marshal.SizeOf(((IoRequest)recvPci).ScIoRequest));
Marshal.StructureToPtr(((IoRequest)recvPci).ScIoRequest, ptrrecvPci, true);
unsafe
{
if (recvSize == AutoAllocate)
{
// winscard.dll supports SCARD_AUTOALLOCATE only since Windows vista; winscard.dll is able to propose l recvSize to be used with all versions (XP+)
// pcsclite does not support recvBuffer = null, so no automatic discovery of recvSize
// For more portability: Wrapper don't use the native winscard.dll's SCARD_AUTOALLOCATE
recvSize = DefaultBufferSize;
recvBuffer = new byte[recvSize];
fixed(byte *psendBuffer = sendBuffer)
{
fixed(uint *precvSize = &recvSize)
{
fixed(byte *precvBuffer = recvBuffer)
{
ret = UnsafePrimitives.SCardTransmit(
(void *)card,
(void *)ptrsendPci,
psendBuffer,
sendSize,
(void *)ptrrecvPci,
precvBuffer,
precvSize
);
}
}
}
if (ret == ErrorCode.Success)
{
Array.Resize(ref recvBuffer, (int)recvSize);
}
}
else
{
//TODO Seems to be problems with pcsclite in this case...
fixed(byte *psendBuffer = sendBuffer)
{
fixed(uint *precvSize = &recvSize)
{
fixed(byte *precvBuffer = recvBuffer)
{
ret = UnsafePrimitives.SCardTransmit(
(void *)card,
(void *)ptrsendPci,
psendBuffer,
sendSize,
(void *)ptrrecvPci,
precvBuffer,
precvSize
);
}
}
}
}
}
Marshal.FreeHGlobal(ptrsendPci);
Marshal.FreeHGlobal(ptrrecvPci);
return(ret);
}
