FreeRDP/libfreerdp/utils/rdpdr_utils.c
Armin Novak 3c72cc3306 Refactored rdpdr and dependent channels
* Move parsing code to core library
* Move definitions to public API to allow access from outside
* Move smartcard related parsing to core library
2022-01-11 12:34:43 +01:00

417 lines
13 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Implementation
* SCard utility functions
*
* Copyright 2021 Armin Novak <armin.novak@thincast.com>
* Copyright 2021 Thincast Technologies GmbH
*
* 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.
*/
#include <winpr/wlog.h>
#include <winpr/print.h>
#include <winpr/smartcard.h>
#include <freerdp/utils/rdpdr_utils.h>
#include <freerdp/channels/scard.h>
#include <freerdp/channels/rdpdr.h>
#include <freerdp/log.h>
#define TAG FREERDP_TAG("utils.scard")
LONG scard_log_status_error(const char* tag, const char* what, LONG status)
{
if (status != SCARD_S_SUCCESS)
{
DWORD level = WLOG_ERROR;
switch (status)
{
case SCARD_E_TIMEOUT:
level = WLOG_DEBUG;
break;
case SCARD_E_NO_READERS_AVAILABLE:
level = WLOG_INFO;
break;
default:
break;
}
WLog_Print(WLog_Get(tag), level, "%s failed with error %s [%" PRId32 "]", what,
SCardGetErrorString(status), status);
}
return status;
}
const char* scard_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_RELEASETARTEDEVENT:
return funcName ? "SCardReleaseStartedEvent" : "SCARD_IOCTL_RELEASETARTEDEVENT";
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";
}
}
const char* rdpdr_component_string(UINT16 component)
{
switch (component)
{
case RDPDR_CTYP_PRN:
return "RDPDR_CTYP_PRN";
case RDPDR_CTYP_CORE:
return "RDPDR_CTYP_CORE";
default:
return "UNKNOWN";
}
}
const char* rdpdr_packetid_string(UINT16 packetid)
{
switch (packetid)
{
case PAKID_CORE_SERVER_ANNOUNCE:
return "PAKID_CORE_SERVER_ANNOUNCE";
case PAKID_CORE_CLIENTID_CONFIRM:
return "PAKID_CORE_CLIENTID_CONFIRM";
case PAKID_CORE_CLIENT_NAME:
return "PAKID_CORE_CLIENT_NAME";
case PAKID_CORE_DEVICELIST_ANNOUNCE:
return "PAKID_CORE_DEVICELIST_ANNOUNCE";
case PAKID_CORE_DEVICE_REPLY:
return "PAKID_CORE_DEVICE_REPLY";
case PAKID_CORE_DEVICE_IOREQUEST:
return "PAKID_CORE_DEVICE_IOREQUEST";
case PAKID_CORE_DEVICE_IOCOMPLETION:
return "PAKID_CORE_DEVICE_IOCOMPLETION";
case PAKID_CORE_SERVER_CAPABILITY:
return "PAKID_CORE_SERVER_CAPABILITY";
case PAKID_CORE_CLIENT_CAPABILITY:
return "PAKID_CORE_CLIENT_CAPABILITY";
case PAKID_CORE_DEVICELIST_REMOVE:
return "PAKID_CORE_DEVICELIST_REMOVE";
case PAKID_CORE_USER_LOGGEDON:
return "PAKID_CORE_USER_LOGGEDON";
case PAKID_PRN_CACHE_DATA:
return "PAKID_PRN_CACHE_DATA";
case PAKID_PRN_USING_XPS:
return "PAKID_PRN_USING_XPS";
default:
return "UNKNOWN";
}
}
BOOL rdpdr_write_iocompletion_header(wStream* out, UINT32 DeviceId, UINT32 CompletionId,
UINT32 ioStatus)
{
WINPR_ASSERT(out);
Stream_SetPosition(out, 0);
if (!Stream_EnsureRemainingCapacity(out, 16))
return FALSE;
Stream_Write_UINT16(out, RDPDR_CTYP_CORE); /* Component (2 bytes) */
Stream_Write_UINT16(out, PAKID_CORE_DEVICE_IOCOMPLETION); /* PacketId (2 bytes) */
Stream_Write_UINT32(out, DeviceId); /* DeviceId (4 bytes) */
Stream_Write_UINT32(out, CompletionId); /* CompletionId (4 bytes) */
Stream_Write_UINT32(out, ioStatus); /* IoStatus (4 bytes) */
return TRUE;
}
void rdpdr_dump_received_packet(wStream* s, const char* custom)
{
const size_t pos = Stream_GetPosition(s);
Stream_SetPosition(s, 0);
if (Stream_Length(s) >= 4)
{
BOOL done = FALSE;
UINT16 component, packetid;
UINT32 deviceID = 0;
UINT32 FileId = 0;
UINT32 CompletionId = 0;
UINT32 MajorFunction = 0;
UINT32 MinorFunction = 0;
const size_t pos = Stream_GetPosition(s);
Stream_Read_UINT16(s, component);
Stream_Read_UINT16(s, packetid);
if (Stream_GetRemainingLength(s) >= 4)
Stream_Read_UINT32(s, deviceID);
if (component == RDPDR_CTYP_CORE)
{
if (packetid == PAKID_CORE_DEVICE_IOREQUEST)
{
if (Stream_GetRemainingLength(s) >= 16)
{
Stream_Read_UINT32(s, FileId); /* FileId (4 bytes) */
Stream_Read_UINT32(s, CompletionId); /* CompletionId (4 bytes) */
Stream_Read_UINT32(s, MajorFunction); /* MajorFunction (4 bytes) */
Stream_Read_UINT32(s, MinorFunction); /* MinorFunction (4 bytes) */
WLog_DBG(TAG,
"[%s] receive [%s | %s] [0x%08" PRIx32 "] FileID=0x%08" PRIx32
", CompletionID=0x%08" PRIx32 ", MajorFunction=%s [0x%08" PRIx32
"] -> %" PRIuz,
custom, rdpdr_component_string(component),
rdpdr_packetid_string(packetid), deviceID, FileId, CompletionId,
rdpdr_irp_string(MajorFunction), MinorFunction, deviceID,
Stream_Length(s));
done = TRUE;
}
}
}
Stream_SetPosition(s, pos);
if (!done)
{
WLog_DBG(TAG, "[%s] receive [%s | %s] [0x%08" PRIx32 "] -> %" PRIuz, custom,
rdpdr_component_string(component), rdpdr_packetid_string(packetid), deviceID,
Stream_Length(s));
}
winpr_HexDump(TAG, WLOG_TRACE, Stream_Buffer(s), Stream_Length(s));
}
Stream_SetPosition(s, pos);
}
void rdpdr_dump_send_packet(wStream* s, const char* custom)
{
WINPR_ASSERT(s);
if (Stream_Length(s) >= 8)
{
UINT16 component, packetid;
UINT32 deviceID;
const size_t pos = Stream_GetPosition(s);
Stream_SetPosition(s, 0);
Stream_Read_UINT16(s, component);
Stream_Read_UINT16(s, packetid);
Stream_Read_UINT32(s, deviceID);
switch (packetid)
{
case PAKID_CORE_DEVICE_IOCOMPLETION:
{
UINT32 completionID, ioStatus;
Stream_Read_UINT32(s, completionID);
Stream_Read_UINT32(s, ioStatus);
WLog_DBG(TAG,
"[%s] sending [%s | %s] [0x%08" PRIx32 "] completionID=0x%08" PRIx32
", ioStatus=0x%08" PRIx32 " -> %" PRIuz,
custom, rdpdr_component_string(component), rdpdr_packetid_string(packetid),
deviceID, completionID, ioStatus, pos);
}
break;
default:
WLog_DBG(TAG, "[%s] sending [%s | %s] [0x%08" PRIx32 "] -> %" PRIuz, custom,
rdpdr_component_string(component), rdpdr_packetid_string(packetid),
deviceID, pos);
break;
}
winpr_HexDump(TAG, WLOG_TRACE, Stream_Buffer(s), pos);
Stream_SetPosition(s, pos);
}
}
const char* rdpdr_irp_string(UINT32 major)
{
switch (major)
{
case IRP_MJ_CREATE:
return "IRP_MJ_CREATE";
case IRP_MJ_CLOSE:
return "IRP_MJ_CLOSE";
case IRP_MJ_READ:
return "IRP_MJ_READ";
case IRP_MJ_WRITE:
return "IRP_MJ_WRITE";
case IRP_MJ_DEVICE_CONTROL:
return "IRP_MJ_DEVICE_CONTROL";
case IRP_MJ_QUERY_VOLUME_INFORMATION:
return "IRP_MJ_QUERY_VOLUME_INFORMATION";
case IRP_MJ_SET_VOLUME_INFORMATION:
return "IRP_MJ_SET_VOLUME_INFORMATION";
case IRP_MJ_QUERY_INFORMATION:
return "IRP_MJ_QUERY_INFORMATION";
case IRP_MJ_SET_INFORMATION:
return "IRP_MJ_SET_INFORMATION";
case IRP_MJ_DIRECTORY_CONTROL:
return "IRP_MJ_DIRECTORY_CONTROL";
case IRP_MJ_LOCK_CONTROL:
return "IRP_MJ_LOCK_CONTROL";
default:
return "IRP_UNKNOWN";
}
}
const char* rdpdr_cap_type_string(UINT16 capability)
{
switch (capability)
{
case CAP_GENERAL_TYPE:
return "CAP_GENERAL_TYPE";
case CAP_PRINTER_TYPE:
return "CAP_PRINTER_TYPE";
case CAP_PORT_TYPE:
return "CAP_PORT_TYPE";
case CAP_DRIVE_TYPE:
return "CAP_DRIVE_TYPE";
case CAP_SMARTCARD_TYPE:
return "CAP_SMARTCARD_TYPE";
default:
return "CAP_UNKNOWN";
}
}