FreeRDP/channels/smartcard/client/smartcard_operations.c
2014-04-27 21:29:44 -04:00

1339 lines
37 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Implementation
* Smartcard Device Service Virtual Channel
*
* Copyright (C) Alexi Volkov <alexi@myrealbox.com> 2006
* Copyright 2011 O.S. Systems Software Ltda.
* Copyright 2011 Anthony Tong <atong@trustedcs.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <winpr/crt.h>
#include <winpr/print.h>
#include <winpr/stream.h>
#include <winpr/smartcard.h>
#include <freerdp/freerdp.h>
#include <freerdp/channels/rdpdr.h>
#include "smartcard_main.h"
const char* smartcard_get_ioctl_string(UINT32 ioControlCode, BOOL funcName)
{
switch (ioControlCode)
{
case SCARD_IOCTL_ESTABLISHCONTEXT:
return funcName ? "SCardEstablishContext" : "SCARD_IOCTL_ESTABLISHCONTEXT";
case SCARD_IOCTL_RELEASECONTEXT:
return funcName ? "SCardReleaseContext" : "SCARD_IOCTL_RELEASECONTEXT";
case SCARD_IOCTL_ISVALIDCONTEXT:
return funcName ? "SCardIsValidContext" : "SCARD_IOCTL_ISVALIDCONTEXT";
case SCARD_IOCTL_LISTREADERGROUPSA:
return funcName ? "SCardListReaderGroupsA" : "SCARD_IOCTL_LISTREADERGROUPSA";
case SCARD_IOCTL_LISTREADERGROUPSW:
return funcName ? "SCardListReaderGroupsW" : "SCARD_IOCTL_LISTREADERGROUPSW";
case SCARD_IOCTL_LISTREADERSA:
return funcName ? "SCardListReadersA" : "SCARD_IOCTL_LISTREADERSA";
case SCARD_IOCTL_LISTREADERSW:
return funcName ? "SCardListReadersW" : "SCARD_IOCTL_LISTREADERSW";
case SCARD_IOCTL_INTRODUCEREADERGROUPA:
return funcName ? "SCardIntroduceReaderGroupA" : "SCARD_IOCTL_INTRODUCEREADERGROUPA";
case SCARD_IOCTL_INTRODUCEREADERGROUPW:
return funcName ? "SCardIntroduceReaderGroupW" : "SCARD_IOCTL_INTRODUCEREADERGROUPW";
case SCARD_IOCTL_FORGETREADERGROUPA:
return funcName ? "SCardForgetReaderGroupA" : "SCARD_IOCTL_FORGETREADERGROUPA";
case SCARD_IOCTL_FORGETREADERGROUPW:
return funcName ? "SCardForgetReaderGroupW" : "SCARD_IOCTL_FORGETREADERGROUPW";
case SCARD_IOCTL_INTRODUCEREADERA:
return funcName ? "SCardIntroduceReaderA" : "SCARD_IOCTL_INTRODUCEREADERA";
case SCARD_IOCTL_INTRODUCEREADERW:
return funcName ? "SCardIntroduceReaderW" : "SCARD_IOCTL_INTRODUCEREADERW";
case SCARD_IOCTL_FORGETREADERA:
return funcName ? "SCardForgetReaderA" : "SCARD_IOCTL_FORGETREADERA";
case SCARD_IOCTL_FORGETREADERW:
return funcName ? "SCardForgetReaderW" : "SCARD_IOCTL_FORGETREADERW";
case SCARD_IOCTL_ADDREADERTOGROUPA:
return funcName ? "SCardAddReaderToGroupA" : "SCARD_IOCTL_ADDREADERTOGROUPA";
case SCARD_IOCTL_ADDREADERTOGROUPW:
return funcName ? "SCardAddReaderToGroupW" : "SCARD_IOCTL_ADDREADERTOGROUPW";
case SCARD_IOCTL_REMOVEREADERFROMGROUPA:
return funcName ? "SCardRemoveReaderFromGroupA" : "SCARD_IOCTL_REMOVEREADERFROMGROUPA";
case SCARD_IOCTL_REMOVEREADERFROMGROUPW:
return funcName ? "SCardRemoveReaderFromGroupW" : "SCARD_IOCTL_REMOVEREADERFROMGROUPW";
case SCARD_IOCTL_LOCATECARDSA:
return funcName ? "SCardLocateCardsA" : "SCARD_IOCTL_LOCATECARDSA";
case SCARD_IOCTL_LOCATECARDSW:
return funcName ? "SCardLocateCardsW" : "SCARD_IOCTL_LOCATECARDSW";
case SCARD_IOCTL_GETSTATUSCHANGEA:
return funcName ? "SCardGetStatusChangeA" : "SCARD_IOCTL_GETSTATUSCHANGEA";
case SCARD_IOCTL_GETSTATUSCHANGEW:
return funcName ? "SCardGetStatusChangeW" : "SCARD_IOCTL_GETSTATUSCHANGEW";
case SCARD_IOCTL_CANCEL:
return funcName ? "SCardCancel" : "SCARD_IOCTL_CANCEL";
case SCARD_IOCTL_CONNECTA:
return funcName ? "SCardConnectA" : "SCARD_IOCTL_CONNECTA";
case SCARD_IOCTL_CONNECTW:
return funcName ? "SCardConnectW" : "SCARD_IOCTL_CONNECTW";
case SCARD_IOCTL_RECONNECT:
return funcName ? "SCardReconnect" : "SCARD_IOCTL_RECONNECT";
case SCARD_IOCTL_DISCONNECT:
return funcName ? "SCardDisconnect" : "SCARD_IOCTL_DISCONNECT";
case SCARD_IOCTL_BEGINTRANSACTION:
return funcName ? "SCardBeginTransaction" : "SCARD_IOCTL_BEGINTRANSACTION";
case SCARD_IOCTL_ENDTRANSACTION:
return funcName ? "SCardEndTransaction" : "SCARD_IOCTL_ENDTRANSACTION";
case SCARD_IOCTL_STATE:
return funcName ? "SCardState" : "SCARD_IOCTL_STATE";
case SCARD_IOCTL_STATUSA:
return funcName ? "SCardStatusA" : "SCARD_IOCTL_STATUSA";
case SCARD_IOCTL_STATUSW:
return funcName ? "SCardStatusW" : "SCARD_IOCTL_STATUSW";
case SCARD_IOCTL_TRANSMIT:
return funcName ? "SCardTransmit" : "SCARD_IOCTL_TRANSMIT";
case SCARD_IOCTL_CONTROL:
return funcName ? "SCardControl" : "SCARD_IOCTL_CONTROL";
case SCARD_IOCTL_GETATTRIB:
return funcName ? "SCardGetAttrib" : "SCARD_IOCTL_GETATTRIB";
case SCARD_IOCTL_SETATTRIB:
return funcName ? "SCardSetAttrib" : "SCARD_IOCTL_SETATTRIB";
case SCARD_IOCTL_ACCESSSTARTEDEVENT:
return funcName ? "SCardAccessStartedEvent" : "SCARD_IOCTL_ACCESSSTARTEDEVENT";
case SCARD_IOCTL_LOCATECARDSBYATRA:
return funcName ? "SCardLocateCardsByATRA" : "SCARD_IOCTL_LOCATECARDSBYATRA";
case SCARD_IOCTL_LOCATECARDSBYATRW:
return funcName ? "SCardLocateCardsByATRB" : "SCARD_IOCTL_LOCATECARDSBYATRW";
case SCARD_IOCTL_READCACHEA:
return funcName ? "SCardReadCacheA" : "SCARD_IOCTL_READCACHEA";
case SCARD_IOCTL_READCACHEW:
return funcName ? "SCardReadCacheW" : "SCARD_IOCTL_READCACHEW";
case SCARD_IOCTL_WRITECACHEA:
return funcName ? "SCardWriteCacheA" : "SCARD_IOCTL_WRITECACHEA";
case SCARD_IOCTL_WRITECACHEW:
return funcName ? "SCardWriteCacheW" : "SCARD_IOCTL_WRITECACHEW";
case SCARD_IOCTL_GETTRANSMITCOUNT:
return funcName ? "SCardGetTransmitCount" : "SCARD_IOCTL_GETTRANSMITCOUNT";
case SCARD_IOCTL_RELEASESTARTEDEVENT:
return funcName ? "SCardReleaseStartedEvent" : "SCARD_IOCTL_RELEASESTARTEDEVENT";
case SCARD_IOCTL_GETREADERICON:
return funcName ? "SCardGetReaderIcon" : "SCARD_IOCTL_GETREADERICON";
case SCARD_IOCTL_GETDEVICETYPEID:
return funcName ? "SCardGetDeviceTypeId" : "SCARD_IOCTL_GETDEVICETYPEID";
default:
return funcName ? "SCardUnknown" : "SCARD_IOCTL_UNKNOWN";
}
return funcName ? "SCardUnknown" : "SCARD_IOCTL_UNKNOWN";
}
static UINT32 smartcard_EstablishContext(SMARTCARD_DEVICE* smartcard, IRP* irp)
{
UINT32 status;
SCARDCONTEXT hContext = -1;
EstablishContext_Call call;
EstablishContext_Return ret;
status = smartcard_unpack_establish_context_call(smartcard, irp->input, &call);
smartcard_trace_establish_context_call(smartcard, &call);
if (status)
return status;
status = ret.ReturnCode = SCardEstablishContext(call.dwScope, NULL, NULL, &hContext);
if (status)
return status;
smartcard_scard_context_native_to_redir(smartcard, &(ret.hContext), hContext);
smartcard_trace_establish_context_return(smartcard, &ret);
status = smartcard_pack_establish_context_return(smartcard, irp->output, &ret);
if (status)
return status;
return ret.ReturnCode;
}
static UINT32 smartcard_ReleaseContext(SMARTCARD_DEVICE* smartcard, IRP* irp)
{
UINT32 status;
Context_Call call;
Long_Return ret;
SCARDCONTEXT hContext;
status = smartcard_unpack_context_call(smartcard, irp->input, &call);
smartcard_trace_context_call(smartcard, &call, "ReleaseContext");
if (status)
return status;
hContext = smartcard_scard_context_native_from_redir(smartcard, &(call.hContext));
status = ret.ReturnCode = SCardReleaseContext(hContext);
return ret.ReturnCode;
}
static UINT32 smartcard_IsValidContext(SMARTCARD_DEVICE* smartcard, IRP* irp)
{
UINT32 status;
Context_Call call;
Long_Return ret;
SCARDCONTEXT hContext;
status = smartcard_unpack_context_call(smartcard, irp->input, &call);
smartcard_trace_context_call(smartcard, &call, "IsValidContext");
if (status)
return status;
hContext = smartcard_scard_context_native_from_redir(smartcard, &(call.hContext));
status = ret.ReturnCode = SCardIsValidContext(hContext);
return ret.ReturnCode;
}
static UINT32 smartcard_ListReadersA(SMARTCARD_DEVICE* smartcard, IRP* irp)
{
UINT32 status;
SCARDCONTEXT hContext;
ListReaders_Call call;
ListReaders_Return ret;
LPSTR mszReaders = NULL;
DWORD cchReaders = 0;
status = smartcard_unpack_list_readers_call(smartcard, irp->input, &call);
smartcard_trace_list_readers_call(smartcard, &call, FALSE);
if (status)
return status;
hContext = smartcard_scard_context_native_from_redir(smartcard, &(call.hContext));
cchReaders = SCARD_AUTOALLOCATE;
status = ret.ReturnCode = SCardListReadersA(hContext, (LPCSTR) call.mszGroups, (LPSTR) &mszReaders, &cchReaders);
ret.msz = (BYTE*) mszReaders;
ret.cBytes = cchReaders;
if (status)
return status;
smartcard_trace_list_readers_return(smartcard, &ret, FALSE);
status = smartcard_pack_list_readers_return(smartcard, irp->output, &ret);
if (status)
return status;
if (mszReaders)
SCardFreeMemory(hContext, mszReaders);
if (call.mszGroups)
free(call.mszGroups);
return ret.ReturnCode;
}
static UINT32 smartcard_ListReadersW(SMARTCARD_DEVICE* smartcard, IRP* irp)
{
UINT32 status;
SCARDCONTEXT hContext;
ListReaders_Call call;
ListReaders_Return ret;
LPWSTR mszReaders = NULL;
DWORD cchReaders = 0;
status = smartcard_unpack_list_readers_call(smartcard, irp->input, &call);
smartcard_trace_list_readers_call(smartcard, &call, TRUE);
if (status)
return status;
hContext = smartcard_scard_context_native_from_redir(smartcard, &(call.hContext));
cchReaders = SCARD_AUTOALLOCATE;
status = ret.ReturnCode = SCardListReadersW(hContext, (LPCWSTR) call.mszGroups, (LPWSTR) &mszReaders, &cchReaders);
ret.msz = (BYTE*) mszReaders;
ret.cBytes = cchReaders * 2;
if (status)
return status;
smartcard_trace_list_readers_return(smartcard, &ret, TRUE);
status = smartcard_pack_list_readers_return(smartcard, irp->output, &ret);
if (status)
return status;
if (mszReaders)
SCardFreeMemory(hContext, mszReaders);
if (call.mszGroups)
free(call.mszGroups);
return ret.ReturnCode;
}
static UINT32 smartcard_GetStatusChangeA(SMARTCARD_DEVICE* smartcard, IRP* irp)
{
LONG status;
UINT32 index;
SCARDCONTEXT hContext;
GetStatusChangeA_Call call;
GetStatusChange_Return ret;
LPSCARD_READERSTATEA rgReaderState = NULL;
status = smartcard_unpack_get_status_change_a_call(smartcard, irp->input, &call);
smartcard_trace_get_status_change_a_call(smartcard, &call);
if (status)
return status;
hContext = smartcard_scard_context_native_from_redir(smartcard, &(call.hContext));
status = ret.ReturnCode = SCardGetStatusChangeA(hContext, call.dwTimeOut, call.rgReaderStates, call.cReaders);
if (status && (status != SCARD_E_TIMEOUT))
return status;
ret.cReaders = call.cReaders;
ret.rgReaderStates = (ReaderState_Return*) calloc(ret.cReaders, sizeof(ReaderState_Return));
for (index = 0; index < ret.cReaders; index++)
{
ret.rgReaderStates[index].dwCurrentState = call.rgReaderStates[index].dwCurrentState;
ret.rgReaderStates[index].dwEventState = call.rgReaderStates[index].dwEventState;
ret.rgReaderStates[index].cbAtr = call.rgReaderStates[index].cbAtr;
CopyMemory(&(ret.rgReaderStates[index].rgbAtr), &(call.rgReaderStates[index].rgbAtr), 32);
}
smartcard_trace_get_status_change_return(smartcard, &ret, FALSE);
status = smartcard_pack_get_status_change_return(smartcard, irp->output, &ret);
if (status)
return status;
if (call.rgReaderStates)
{
for (index = 0; index < call.cReaders; index++)
{
rgReaderState = &call.rgReaderStates[index];
if (rgReaderState->szReader)
free((void*) rgReaderState->szReader);
}
free(call.rgReaderStates);
}
free(ret.rgReaderStates);
return ret.ReturnCode;
}
static UINT32 smartcard_GetStatusChangeW(SMARTCARD_DEVICE* smartcard, IRP* irp)
{
LONG status;
UINT32 index;
SCARDCONTEXT hContext;
GetStatusChangeW_Call call;
GetStatusChange_Return ret;
LPSCARD_READERSTATEW rgReaderState = NULL;
status = smartcard_unpack_get_status_change_w_call(smartcard, irp->input, &call);
smartcard_trace_get_status_change_w_call(smartcard, &call);
if (status)
return status;
hContext = smartcard_scard_context_native_from_redir(smartcard, &(call.hContext));
status = ret.ReturnCode = SCardGetStatusChangeW(hContext, call.dwTimeOut, call.rgReaderStates, call.cReaders);
if (status && (status != SCARD_E_TIMEOUT))
return status;
ret.cReaders = call.cReaders;
ret.rgReaderStates = (ReaderState_Return*) calloc(ret.cReaders, sizeof(ReaderState_Return));
for (index = 0; index < ret.cReaders; index++)
{
ret.rgReaderStates[index].dwCurrentState = call.rgReaderStates[index].dwCurrentState;
ret.rgReaderStates[index].dwEventState = call.rgReaderStates[index].dwEventState;
ret.rgReaderStates[index].cbAtr = call.rgReaderStates[index].cbAtr;
CopyMemory(&(ret.rgReaderStates[index].rgbAtr), &(call.rgReaderStates[index].rgbAtr), 32);
}
smartcard_trace_get_status_change_return(smartcard, &ret, TRUE);
status = smartcard_pack_get_status_change_return(smartcard, irp->output, &ret);
if (status)
return status;
if (call.rgReaderStates)
{
for (index = 0; index < call.cReaders; index++)
{
rgReaderState = &call.rgReaderStates[index];
if (rgReaderState->szReader)
free((void*) rgReaderState->szReader);
}
free(call.rgReaderStates);
}
free(ret.rgReaderStates);
return ret.ReturnCode;
}
static UINT32 smartcard_Cancel(SMARTCARD_DEVICE* smartcard, IRP* irp)
{
LONG status;
SCARDCONTEXT hContext;
Context_Call call;
Long_Return ret;
status = smartcard_unpack_context_call(smartcard, irp->input, &call);
smartcard_trace_context_call(smartcard, &call, "Cancel");
if (status)
return status;
hContext = smartcard_scard_context_native_from_redir(smartcard, &(call.hContext));
status = ret.ReturnCode = SCardCancel(hContext);
return ret.ReturnCode;
}
UINT32 smartcard_ConnectA(SMARTCARD_DEVICE* smartcard, IRP* irp)
{
LONG status;
SCARDHANDLE hCard;
SCARDCONTEXT hContext;
ConnectA_Call call;
Connect_Return ret;
call.szReader = NULL;
status = smartcard_unpack_connect_a_call(smartcard, irp->input, &call);
smartcard_trace_connect_a_call(smartcard, &call);
if (status)
return status;
hContext = smartcard_scard_context_native_from_redir(smartcard, &(call.Common.hContext));
if ((call.Common.dwPreferredProtocols == SCARD_PROTOCOL_UNDEFINED) &&
(call.Common.dwShareMode != SCARD_SHARE_DIRECT))
{
call.Common.dwPreferredProtocols = SCARD_PROTOCOL_Tx;
}
status = ret.ReturnCode = SCardConnectA(hContext, (char*) call.szReader, call.Common.dwShareMode,
call.Common.dwPreferredProtocols, &hCard, &ret.dwActiveProtocol);
if (status)
return status;
smartcard_scard_context_native_to_redir(smartcard, &(ret.hContext), hContext);
smartcard_scard_handle_native_to_redir(smartcard, &(ret.hCard), hCard);
smartcard_trace_connect_return(smartcard, &ret);
status = smartcard_pack_connect_return(smartcard, irp->output, &ret);
if (status)
return status;
if (call.szReader)
free(call.szReader);
return ret.ReturnCode;
}
UINT32 smartcard_ConnectW(SMARTCARD_DEVICE* smartcard, IRP* irp)
{
LONG status;
SCARDCONTEXT hContext;
SCARDHANDLE hCard;
ConnectW_Call call;
Connect_Return ret;
call.szReader = NULL;
status = smartcard_unpack_connect_w_call(smartcard, irp->input, &call);
smartcard_trace_connect_w_call(smartcard, &call);
if (status)
return status;
hContext = smartcard_scard_context_native_from_redir(smartcard, &(call.Common.hContext));
if ((call.Common.dwPreferredProtocols == SCARD_PROTOCOL_UNDEFINED) &&
(call.Common.dwShareMode != SCARD_SHARE_DIRECT))
{
call.Common.dwPreferredProtocols = SCARD_PROTOCOL_Tx;
}
status = ret.ReturnCode = SCardConnectW(hContext, (WCHAR*) call.szReader, call.Common.dwShareMode,
call.Common.dwPreferredProtocols, &hCard, &ret.dwActiveProtocol);
if (status)
return status;
smartcard_scard_context_native_to_redir(smartcard, &(ret.hContext), hContext);
smartcard_scard_handle_native_to_redir(smartcard, &(ret.hCard), hCard);
smartcard_trace_connect_return(smartcard, &ret);
status = smartcard_pack_connect_return(smartcard, irp->output, &ret);
if (status)
return status;
if (call.szReader)
free(call.szReader);
return ret.ReturnCode;
}
static UINT32 smartcard_Reconnect(SMARTCARD_DEVICE* smartcard, IRP* irp)
{
LONG status;
SCARDHANDLE hCard;
SCARDCONTEXT hContext;
Reconnect_Call call;
Reconnect_Return ret;
status = smartcard_unpack_reconnect_call(smartcard, irp->input, &call);
smartcard_trace_reconnect_call(smartcard, &call);
if (status)
return status;
hContext = smartcard_scard_context_native_from_redir(smartcard, &(call.hContext));
hCard = smartcard_scard_handle_native_from_redir(smartcard, &(call.hCard));
status = ret.ReturnCode = SCardReconnect(hCard, call.dwShareMode,
call.dwPreferredProtocols, call.dwInitialization, &ret.dwActiveProtocol);
if (status)
return status;
smartcard_trace_reconnect_return(smartcard, &ret);
status = smartcard_pack_reconnect_return(smartcard, irp->output, &ret);
if (status)
return status;
return ret.ReturnCode;
}
static UINT32 smartcard_Disconnect(SMARTCARD_DEVICE* smartcard, IRP* irp)
{
LONG status;
SCARDHANDLE hCard;
SCARDCONTEXT hContext;
HCardAndDisposition_Call call;
Long_Return ret;
status = smartcard_unpack_hcard_and_disposition_call(smartcard, irp->input, &call);
smartcard_trace_hcard_and_disposition_call(smartcard, &call, "Disconnect");
if (status)
return status;
hContext = smartcard_scard_context_native_from_redir(smartcard, &(call.hContext));
hCard = smartcard_scard_handle_native_from_redir(smartcard, &(call.hCard));
status = ret.ReturnCode = SCardDisconnect(hCard, call.dwDisposition);
if (status)
return status;
return ret.ReturnCode;
}
static UINT32 smartcard_BeginTransaction(SMARTCARD_DEVICE* smartcard, IRP* irp)
{
LONG status;
SCARDHANDLE hCard;
SCARDCONTEXT hContext;
HCardAndDisposition_Call call;
Long_Return ret;
status = smartcard_unpack_hcard_and_disposition_call(smartcard, irp->input, &call);
smartcard_trace_hcard_and_disposition_call(smartcard, &call, "BeginTransaction");
if (status)
return status;
hContext = smartcard_scard_context_native_from_redir(smartcard, &(call.hContext));
hCard = smartcard_scard_handle_native_from_redir(smartcard, &(call.hCard));
status = ret.ReturnCode = SCardBeginTransaction(hCard);
if (status)
return status;
return ret.ReturnCode;
}
static UINT32 smartcard_EndTransaction(SMARTCARD_DEVICE* smartcard, IRP* irp)
{
LONG status;
SCARDHANDLE hCard;
SCARDCONTEXT hContext;
HCardAndDisposition_Call call;
Long_Return ret;
status = smartcard_unpack_hcard_and_disposition_call(smartcard, irp->input, &call);
smartcard_trace_hcard_and_disposition_call(smartcard, &call, "EndTransaction");
if (status)
return status;
hContext = smartcard_scard_context_native_from_redir(smartcard, &(call.hContext));
hCard = smartcard_scard_handle_native_from_redir(smartcard, &(call.hCard));
status = ret.ReturnCode = SCardEndTransaction(hCard, call.dwDisposition);
if (status)
return status;
return ret.ReturnCode;
}
static UINT32 smartcard_State(SMARTCARD_DEVICE* smartcard, IRP* irp)
{
LONG status;
SCARDHANDLE hCard;
SCARDCONTEXT hContext;
State_Call call;
State_Return ret;
status = smartcard_unpack_state_call(smartcard, irp->input, &call);
if (status)
return status;
hContext = smartcard_scard_context_native_from_redir(smartcard, &(call.hContext));
hCard = smartcard_scard_handle_native_from_redir(smartcard, &(call.hCard));
ret.cbAtrLen = SCARD_ATR_LENGTH;
status = ret.ReturnCode = SCardState(hCard, &ret.dwState, &ret.dwProtocol, (BYTE*) &ret.rgAtr, &ret.cbAtrLen);
if (ret.ReturnCode)
{
Stream_Zero(irp->output, 256);
return ret.ReturnCode;
}
status = smartcard_pack_state_return(smartcard, irp->output, &ret);
if (status)
return status;
return ret.ReturnCode;
}
static DWORD smartcard_StatusA(SMARTCARD_DEVICE* smartcard, IRP* irp)
{
LONG status;
SCARDHANDLE hCard;
SCARDCONTEXT hContext;
Status_Call call;
Status_Return ret;
DWORD cchReaderLen = 0;
LPSTR mszReaderNames = NULL;
status = smartcard_unpack_status_call(smartcard, irp->input, &call);
smartcard_trace_status_call(smartcard, &call, FALSE);
if (status)
return status;
hContext = smartcard_scard_context_native_from_redir(smartcard, &(call.hContext));
hCard = smartcard_scard_handle_native_from_redir(smartcard, &(call.hCard));
if (call.cbAtrLen > 32)
call.cbAtrLen = 32;
ret.cbAtrLen = call.cbAtrLen;
ZeroMemory(ret.pbAtr, 32);
cchReaderLen = SCARD_AUTOALLOCATE;
status = ret.ReturnCode = SCardStatusA(hCard, (LPSTR) &mszReaderNames, &cchReaderLen,
&ret.dwState, &ret.dwProtocol, (BYTE*) &ret.pbAtr, &ret.cbAtrLen);
ret.mszReaderNames = (BYTE*) mszReaderNames;
ret.cBytes = cchReaderLen;
smartcard_trace_status_return(smartcard, &ret, FALSE);
status = smartcard_pack_status_return(smartcard, irp->output, &ret);
if (status)
return status;
if (mszReaderNames)
SCardFreeMemory(hContext, mszReaderNames);
return ret.ReturnCode;
}
static DWORD smartcard_StatusW(SMARTCARD_DEVICE* smartcard, IRP* irp)
{
LONG status;
SCARDHANDLE hCard;
SCARDCONTEXT hContext;
Status_Call call;
Status_Return ret;
DWORD cchReaderLen = 0;
LPWSTR mszReaderNames = NULL;
status = smartcard_unpack_status_call(smartcard, irp->input, &call);
smartcard_trace_status_call(smartcard, &call, TRUE);
if (status)
return status;
hContext = smartcard_scard_context_native_from_redir(smartcard, &(call.hContext));
hCard = smartcard_scard_handle_native_from_redir(smartcard, &(call.hCard));
if (call.cbAtrLen > 32)
call.cbAtrLen = 32;
ret.cbAtrLen = call.cbAtrLen;
ZeroMemory(ret.pbAtr, 32);
cchReaderLen = SCARD_AUTOALLOCATE;
status = ret.ReturnCode = SCardStatusW(hCard, (LPWSTR) &mszReaderNames, &cchReaderLen,
&ret.dwState, &ret.dwProtocol, (BYTE*) &ret.pbAtr, &ret.cbAtrLen);
ret.mszReaderNames = (BYTE*) mszReaderNames;
ret.cBytes = cchReaderLen * 2;
smartcard_trace_status_return(smartcard, &ret, TRUE);
status = smartcard_pack_status_return(smartcard, irp->output, &ret);
if (status)
return status;
if (mszReaderNames)
SCardFreeMemory(hContext, mszReaderNames);
return ret.ReturnCode;
}
static UINT32 smartcard_Transmit(SMARTCARD_DEVICE* smartcard, IRP* irp)
{
LONG status;
SCARDHANDLE hCard;
SCARDCONTEXT hContext;
Transmit_Call call;
Transmit_Return ret;
status = smartcard_unpack_transmit_call(smartcard, irp->input, &call);
smartcard_trace_transmit_call(smartcard, &call);
if (status)
return status;
hContext = smartcard_scard_context_native_from_redir(smartcard, &(call.hContext));
hCard = smartcard_scard_handle_native_from_redir(smartcard, &(call.hCard));
ret.cbRecvLength = 0;
ret.pbRecvBuffer = NULL;
if (call.cbRecvLength && !call.fpbRecvBufferIsNULL)
{
if (call.cbRecvLength >= 66560)
call.cbRecvLength = 66560;
ret.cbRecvLength = call.cbRecvLength;
ret.pbRecvBuffer = (BYTE*) malloc(ret.cbRecvLength);
}
ret.pioRecvPci = call.pioRecvPci;
status = ret.ReturnCode = SCardTransmit(hCard, call.pioSendPci, call.pbSendBuffer,
call.cbSendLength, ret.pioRecvPci, ret.pbRecvBuffer, &(ret.cbRecvLength));
if (status)
return status;
smartcard_trace_transmit_return(smartcard, &ret);
status = smartcard_pack_transmit_return(smartcard, irp->output, &ret);
if (status)
return status;
if (call.pbSendBuffer)
free(call.pbSendBuffer);
if (ret.pbRecvBuffer)
free(ret.pbRecvBuffer);
if (call.pioSendPci)
free(call.pioSendPci);
if (call.pioRecvPci)
free(call.pioRecvPci);
return ret.ReturnCode;
}
static UINT32 smartcard_Control(SMARTCARD_DEVICE* smartcard, IRP* irp)
{
LONG status;
SCARDHANDLE hCard;
SCARDCONTEXT hContext;
Control_Call call;
Control_Return ret;
UINT32 controlFunction;
status = smartcard_unpack_control_call(smartcard, irp->input, &call);
smartcard_trace_control_call(smartcard, &call);
if (status)
return status;
hContext = smartcard_scard_context_native_from_redir(smartcard, &(call.hContext));
hCard = smartcard_scard_handle_native_from_redir(smartcard, &(call.hCard));
if (DEVICE_TYPE_FROM_CTL_CODE(call.dwControlCode) == FILE_DEVICE_SMARTCARD)
{
controlFunction = FUNCTION_FROM_CTL_CODE(call.dwControlCode);
call.dwControlCode = SCARD_CTL_CODE(controlFunction);
}
ret.cbOutBufferSize = call.cbOutBufferSize;
ret.pvOutBuffer = (BYTE*) malloc(call.cbOutBufferSize);
status = ret.ReturnCode = SCardControl(hCard,
call.dwControlCode, call.pvInBuffer, call.cbInBufferSize,
ret.pvOutBuffer, call.cbOutBufferSize, &ret.cbOutBufferSize);
if (status)
return status;
smartcard_trace_control_return(smartcard, &ret);
status = smartcard_pack_control_return(smartcard, irp->output, &ret);
if (status)
return status;
if (call.pvInBuffer)
free(call.pvInBuffer);
if (ret.pvOutBuffer)
free(ret.pvOutBuffer);
return ret.ReturnCode;
}
static UINT32 smartcard_GetAttrib(SMARTCARD_DEVICE* smartcard, IRP* irp)
{
LONG status;
DWORD cbAttrLen;
SCARDHANDLE hCard;
SCARDCONTEXT hContext;
GetAttrib_Call call;
GetAttrib_Return ret;
status = smartcard_unpack_get_attrib_call(smartcard, irp->input, &call);
smartcard_trace_get_attrib_call(smartcard, &call);
if (status)
return status;
hContext = smartcard_scard_context_native_from_redir(smartcard, &(call.hContext));
hCard = smartcard_scard_handle_native_from_redir(smartcard, &(call.hCard));
ret.pbAttr = NULL;
if (call.fpbAttrIsNULL)
call.cbAttrLen = 0;
if (call.cbAttrLen)
ret.pbAttr = (BYTE*) malloc(call.cbAttrLen);
cbAttrLen = call.cbAttrLen;
status = ret.ReturnCode = SCardGetAttrib(hCard, call.dwAttrId, ret.pbAttr, &cbAttrLen);
ret.cbAttrLen = cbAttrLen;
smartcard_trace_get_attrib_return(smartcard, &ret, call.dwAttrId);
if (ret.ReturnCode)
{
WLog_Print(smartcard->log, WLOG_WARN,
"SCardGetAttrib: %s (0x%08X) cbAttrLen: %d\n",
SCardGetAttributeString(call.dwAttrId), call.dwAttrId, call.cbAttrLen);
Stream_Zero(irp->output, 256);
return ret.ReturnCode;
}
status = smartcard_pack_get_attrib_return(smartcard, irp->output, &ret);
if (status)
return status;
free(ret.pbAttr);
return ret.ReturnCode;
}
static UINT32 smartcard_AccessStartedEvent(SMARTCARD_DEVICE* smartcard, IRP* irp)
{
UINT32 status;
Long_Return ret;
if (Stream_GetRemainingLength(irp->input) < 4)
{
WLog_Print(smartcard->log, WLOG_WARN, "AccessStartedEvent is too short: %d",
(int) Stream_GetRemainingLength(irp->input));
return SCARD_F_INTERNAL_ERROR;
}
Stream_Seek(irp->input, 4); /* Unused (4 bytes) */
status = ret.ReturnCode = SCARD_S_SUCCESS;
return status;
}
void smartcard_irp_device_control_peek_io_control_code(SMARTCARD_DEVICE* smartcard, IRP* irp, UINT32* ioControlCode)
{
*ioControlCode = 0;
if (Stream_GetRemainingLength(irp->input) < 32)
{
WLog_Print(smartcard->log, WLOG_WARN, "Device Control Request is too short: %d",
(int) Stream_GetRemainingLength(irp->input));
return;
}
Stream_Seek_UINT32(irp->input); /* OutputBufferLength (4 bytes) */
Stream_Seek_UINT32(irp->input); /* InputBufferLength (4 bytes) */
Stream_Read_UINT32(irp->input, *ioControlCode); /* IoControlCode (4 bytes) */
Stream_Rewind(irp->input, (4 + 4 + 4));
}
void smartcard_irp_device_control(SMARTCARD_DEVICE* smartcard, IRP* irp)
{
UINT32 result;
UINT32 status;
UINT32 offset;
UINT32 ioControlCode;
UINT32 outputBufferLength;
UINT32 inputBufferLength;
UINT32 objectBufferLength;
/* Device Control Request */
if (Stream_GetRemainingLength(irp->input) < 32)
{
WLog_Print(smartcard->log, WLOG_WARN, "Device Control Request is too short: %d",
(int) Stream_GetRemainingLength(irp->input));
return;
}
Stream_Read_UINT32(irp->input, outputBufferLength); /* OutputBufferLength (4 bytes) */
Stream_Read_UINT32(irp->input, inputBufferLength); /* InputBufferLength (4 bytes) */
Stream_Read_UINT32(irp->input, ioControlCode); /* IoControlCode (4 bytes) */
Stream_Seek(irp->input, 20); /* Padding (20 bytes) */
if (Stream_Length(irp->input) != (Stream_GetPosition(irp->input) + inputBufferLength))
{
WLog_Print(smartcard->log, WLOG_WARN,
"InputBufferLength mismatch: Actual: %d Expected: %d\n",
Stream_Length(irp->input), Stream_GetPosition(irp->input) + inputBufferLength);
return;
}
WLog_Print(smartcard->log, WLOG_DEBUG, "%s (0x%08X) FileId: %d CompletionId: %d",
smartcard_get_ioctl_string(ioControlCode, TRUE), ioControlCode, irp->FileId, irp->CompletionId);
#if 0
printf("%s (0x%08X) FileId: %d CompletionId: %d\n",
smartcard_get_ioctl_string(ioControlCode, TRUE), ioControlCode, irp->FileId, irp->CompletionId);
#endif
if ((ioControlCode != SCARD_IOCTL_ACCESSSTARTEDEVENT) &&
(ioControlCode != SCARD_IOCTL_RELEASESTARTEDEVENT))
{
status = smartcard_unpack_common_type_header(smartcard, irp->input);
if (status)
return;
status = smartcard_unpack_private_type_header(smartcard, irp->input);
if (status)
return;
}
/**
* [MS-RDPESC] 3.2.5.1: Sending Outgoing Messages:
* the output buffer length SHOULD be set to 2048
*
* Since it's a SHOULD and not a MUST, we don't care
* about it, but we still reserve at least 2048 bytes.
*/
Stream_EnsureRemainingCapacity(irp->output, 2048);
/* Device Control Response */
Stream_Seek_UINT32(irp->output); /* OutputBufferLength (4 bytes) */
Stream_Seek(irp->output, SMARTCARD_COMMON_TYPE_HEADER_LENGTH); /* CommonTypeHeader (8 bytes) */
Stream_Seek(irp->output, SMARTCARD_PRIVATE_TYPE_HEADER_LENGTH); /* PrivateTypeHeader (8 bytes) */
Stream_Seek_UINT32(irp->output); /* Result (4 bytes) */
switch (ioControlCode)
{
case SCARD_IOCTL_ESTABLISHCONTEXT:
result = smartcard_EstablishContext(smartcard, irp);
break;
case SCARD_IOCTL_RELEASECONTEXT:
result = smartcard_ReleaseContext(smartcard, irp);
break;
case SCARD_IOCTL_ISVALIDCONTEXT:
result = smartcard_IsValidContext(smartcard, irp);
break;
case SCARD_IOCTL_LISTREADERGROUPSA:
result = SCARD_F_INTERNAL_ERROR;
break;
case SCARD_IOCTL_LISTREADERGROUPSW:
result = SCARD_F_INTERNAL_ERROR;
break;
case SCARD_IOCTL_LISTREADERSA:
result = smartcard_ListReadersA(smartcard, irp);
break;
case SCARD_IOCTL_LISTREADERSW:
result = smartcard_ListReadersW(smartcard, irp);
break;
case SCARD_IOCTL_INTRODUCEREADERGROUPA:
result = SCARD_F_INTERNAL_ERROR;
break;
case SCARD_IOCTL_INTRODUCEREADERGROUPW:
result = SCARD_F_INTERNAL_ERROR;
break;
case SCARD_IOCTL_FORGETREADERGROUPA:
result = SCARD_F_INTERNAL_ERROR;
break;
case SCARD_IOCTL_FORGETREADERGROUPW:
result = SCARD_F_INTERNAL_ERROR;
break;
case SCARD_IOCTL_INTRODUCEREADERA:
result = SCARD_F_INTERNAL_ERROR;
break;
case SCARD_IOCTL_INTRODUCEREADERW:
result = SCARD_F_INTERNAL_ERROR;
break;
case SCARD_IOCTL_FORGETREADERA:
result = SCARD_F_INTERNAL_ERROR;
break;
case SCARD_IOCTL_FORGETREADERW:
result = SCARD_F_INTERNAL_ERROR;
break;
case SCARD_IOCTL_ADDREADERTOGROUPA:
result = SCARD_F_INTERNAL_ERROR;
break;
case SCARD_IOCTL_ADDREADERTOGROUPW:
result = SCARD_F_INTERNAL_ERROR;
break;
case SCARD_IOCTL_REMOVEREADERFROMGROUPA:
result = SCARD_F_INTERNAL_ERROR;
break;
case SCARD_IOCTL_REMOVEREADERFROMGROUPW:
result = SCARD_F_INTERNAL_ERROR;
break;
case SCARD_IOCTL_LOCATECARDSA:
result = SCARD_F_INTERNAL_ERROR;
break;
case SCARD_IOCTL_LOCATECARDSW:
result = SCARD_F_INTERNAL_ERROR;
break;
case SCARD_IOCTL_GETSTATUSCHANGEA:
result = smartcard_GetStatusChangeA(smartcard, irp);
break;
case SCARD_IOCTL_GETSTATUSCHANGEW:
result = smartcard_GetStatusChangeW(smartcard, irp);
break;
case SCARD_IOCTL_CANCEL:
result = smartcard_Cancel(smartcard, irp);
break;
case SCARD_IOCTL_CONNECTA:
result = smartcard_ConnectA(smartcard, irp);
break;
case SCARD_IOCTL_CONNECTW:
result = smartcard_ConnectW(smartcard, irp);
break;
case SCARD_IOCTL_RECONNECT:
result = smartcard_Reconnect(smartcard, irp);
break;
case SCARD_IOCTL_DISCONNECT:
result = smartcard_Disconnect(smartcard, irp);
break;
case SCARD_IOCTL_BEGINTRANSACTION:
result = smartcard_BeginTransaction(smartcard, irp);
break;
case SCARD_IOCTL_ENDTRANSACTION:
result = smartcard_EndTransaction(smartcard, irp);
break;
case SCARD_IOCTL_STATE:
result = smartcard_State(smartcard, irp);
break;
case SCARD_IOCTL_STATUSA:
result = smartcard_StatusA(smartcard, irp);
break;
case SCARD_IOCTL_STATUSW:
result = smartcard_StatusW(smartcard, irp);
break;
case SCARD_IOCTL_TRANSMIT:
result = smartcard_Transmit(smartcard, irp);
break;
case SCARD_IOCTL_CONTROL:
result = smartcard_Control(smartcard, irp);
break;
case SCARD_IOCTL_GETATTRIB:
result = smartcard_GetAttrib(smartcard, irp);
break;
case SCARD_IOCTL_SETATTRIB:
result = SCARD_F_INTERNAL_ERROR;
break;
case SCARD_IOCTL_ACCESSSTARTEDEVENT:
result = smartcard_AccessStartedEvent(smartcard, irp);
break;
case SCARD_IOCTL_LOCATECARDSBYATRA:
result = SCARD_F_INTERNAL_ERROR;
break;
case SCARD_IOCTL_LOCATECARDSBYATRW:
result = SCARD_F_INTERNAL_ERROR;
break;
case SCARD_IOCTL_READCACHEA:
result = SCARD_F_INTERNAL_ERROR;
break;
case SCARD_IOCTL_READCACHEW:
result = SCARD_F_INTERNAL_ERROR;
break;
case SCARD_IOCTL_WRITECACHEA:
result = SCARD_F_INTERNAL_ERROR;
break;
case SCARD_IOCTL_WRITECACHEW:
result = SCARD_F_INTERNAL_ERROR;
break;
case SCARD_IOCTL_GETTRANSMITCOUNT:
result = SCARD_F_INTERNAL_ERROR;
break;
case SCARD_IOCTL_RELEASESTARTEDEVENT:
result = SCARD_F_INTERNAL_ERROR;
break;
case SCARD_IOCTL_GETREADERICON:
result = SCARD_F_INTERNAL_ERROR;
break;
case SCARD_IOCTL_GETDEVICETYPEID:
result = SCARD_F_INTERNAL_ERROR;
break;
default:
result = STATUS_UNSUCCESSFUL;
break;
}
if ((ioControlCode != SCARD_IOCTL_ACCESSSTARTEDEVENT) &&
(ioControlCode != SCARD_IOCTL_RELEASESTARTEDEVENT))
{
offset = (RDPDR_DEVICE_IO_REQUEST_LENGTH + RDPDR_DEVICE_IO_CONTROL_REQ_HDR_LENGTH);
smartcard_unpack_read_size_align(smartcard, irp->input,
Stream_GetPosition(irp->input) - offset, 8);
}
if ((result != SCARD_S_SUCCESS) && (result != SCARD_E_TIMEOUT) &&
(result != SCARD_E_NO_READERS_AVAILABLE) && (result != SCARD_E_NO_SERVICE))
{
WLog_Print(smartcard->log, WLOG_WARN,
"IRP failure: %s (0x%08X), status: %s (0x%08X)",
smartcard_get_ioctl_string(ioControlCode, TRUE), ioControlCode,
SCardGetErrorString(result), result);
}
irp->IoStatus = 0;
if ((result & 0xC0000000) == 0xC0000000)
{
/* NTSTATUS error */
irp->IoStatus = result;
Stream_SetPosition(irp->output, RDPDR_DEVICE_IO_RESPONSE_LENGTH);
WLog_Print(smartcard->log, WLOG_WARN,
"IRP failure: %s (0x%08X), ntstatus: 0x%08X",
smartcard_get_ioctl_string(ioControlCode, TRUE), ioControlCode, result);
}
if (((size_t) Stream_GetPosition(irp->input)) < Stream_Length(irp->input))
{
UINT32 difference;
difference = (int) (Stream_Length(irp->input) - Stream_GetPosition(irp->input));
WLog_Print(smartcard->log, WLOG_WARN,
"IRP was not fully parsed %s (0x%08X): Actual: %d, Expected: %d, Difference: %d",
smartcard_get_ioctl_string(ioControlCode, TRUE), ioControlCode,
(int) Stream_GetPosition(irp->input), (int) Stream_Length(irp->input), difference);
winpr_HexDump(Stream_Pointer(irp->input), difference);
}
if (((size_t) Stream_GetPosition(irp->input)) > Stream_Length(irp->input))
{
UINT32 difference;
difference = (int) (Stream_GetPosition(irp->input) - Stream_Length(irp->input));
WLog_Print(smartcard->log, WLOG_WARN,
"IRP was parsed beyond its end %s (0x%08X): Actual: %d, Expected: %d, Difference: %d",
smartcard_get_ioctl_string(ioControlCode, TRUE), ioControlCode,
(int) Stream_GetPosition(irp->input), (int) Stream_Length(irp->input), difference);
}
/**
* [MS-RPCE] 2.2.6.3 Primitive Type Serialization
* The type MUST be aligned on an 8-byte boundary. If the size of the
* primitive type is not a multiple of 8 bytes, the data MUST be padded.
*/
if ((ioControlCode != SCARD_IOCTL_ACCESSSTARTEDEVENT) &&
(ioControlCode != SCARD_IOCTL_RELEASESTARTEDEVENT))
{
offset = (RDPDR_DEVICE_IO_RESPONSE_LENGTH + RDPDR_DEVICE_IO_CONTROL_RSP_HDR_LENGTH);
smartcard_pack_write_size_align(smartcard, irp->output,
Stream_GetPosition(irp->output) - offset, 8);
}
Stream_SealLength(irp->output);
outputBufferLength = Stream_Length(irp->output) - RDPDR_DEVICE_IO_RESPONSE_LENGTH - 4;
objectBufferLength = outputBufferLength - RDPDR_DEVICE_IO_RESPONSE_LENGTH;
Stream_SetPosition(irp->output, RDPDR_DEVICE_IO_RESPONSE_LENGTH);
/* Device Control Response */
Stream_Write_UINT32(irp->output, outputBufferLength); /* OutputBufferLength (4 bytes) */
smartcard_pack_common_type_header(smartcard, irp->output); /* CommonTypeHeader (8 bytes) */
smartcard_pack_private_type_header(smartcard, irp->output, objectBufferLength); /* PrivateTypeHeader (8 bytes) */
Stream_Write_UINT32(irp->output, result); /* Result (4 bytes) */
Stream_SetPosition(irp->output, Stream_Length(irp->output));
smartcard_complete_irp(smartcard, irp);
}