FreeRDP/channels/rdpdr/server/rdpdr_main.c

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/**
* FreeRDP: A Remote Desktop Protocol Implementation
* Device Redirection Virtual Channel Extension
*
* Copyright 2014 Dell Software <Mike.McDonald@software.dell.com>
* Copyright 2013 Marc-Andre Moreau <marcandre.moreau@gmail.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 <winpr/crt.h>
#include <winpr/nt.h>
#include <winpr/print.h>
#include <winpr/stream.h>
#include <freerdp/channels/log.h>
#include "rdpdr_main.h"
#define TAG "rdpdr.server"
static UINT32 g_ClientId = 0;
static RDPDR_IRP* rdpdr_server_irp_new()
{
RDPDR_IRP* irp;
irp = (RDPDR_IRP*) calloc(1, sizeof(RDPDR_IRP));
return irp;
}
static void rdpdr_server_irp_free(RDPDR_IRP* irp)
{
free(irp);
}
static void rdpdr_server_enqueue_irp(RdpdrServerContext* context, RDPDR_IRP* irp)
{
ListDictionary_Add(context->priv->IrpList, (void *) irp->CompletionId, irp);
}
static RDPDR_IRP* rdpdr_server_dequeue_irp(RdpdrServerContext* context, UINT32 completionId)
{
RDPDR_IRP* irp;
irp = (RDPDR_IRP*) ListDictionary_Remove(context->priv->IrpList, (void *) completionId);
return irp;
}
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static int rdpdr_server_send_announce_request(RdpdrServerContext* context)
{
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wStream* s;
BOOL status;
RDPDR_HEADER header;
ULONG written;
WLog_DBG(TAG, "RdpdrServerSendAnnounceRequest");
header.Component = RDPDR_CTYP_CORE;
header.PacketId = PAKID_CORE_SERVER_ANNOUNCE;
s = Stream_New(NULL, RDPDR_HEADER_LENGTH + 8);
Stream_Write_UINT16(s, header.Component); /* Component (2 bytes) */
Stream_Write_UINT16(s, header.PacketId); /* PacketId (2 bytes) */
Stream_Write_UINT16(s, context->priv->VersionMajor); /* VersionMajor (2 bytes) */
Stream_Write_UINT16(s, context->priv->VersionMinor); /* VersionMinor (2 bytes) */
Stream_Write_UINT32(s, context->priv->ClientId); /* ClientId (4 bytes) */
Stream_SealLength(s);
status = WTSVirtualChannelWrite(context->priv->ChannelHandle, (PCHAR) Stream_Buffer(s), Stream_Length(s), &written);
Stream_Free(s, TRUE);
return 0;
}
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static int rdpdr_server_receive_announce_response(RdpdrServerContext* context, wStream* s, RDPDR_HEADER* header)
{
UINT32 ClientId;
UINT16 VersionMajor;
UINT16 VersionMinor;
Stream_Read_UINT16(s, VersionMajor); /* VersionMajor (2 bytes) */
Stream_Read_UINT16(s, VersionMinor); /* VersionMinor (2 bytes) */
Stream_Read_UINT32(s, ClientId); /* ClientId (4 bytes) */
WLog_DBG(TAG, "Client Announce Response: VersionMajor: 0x%04X VersionMinor: 0x%04X ClientId: 0x%04X",
VersionMajor, VersionMinor, ClientId);
context->priv->ClientId = ClientId;
return 0;
}
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static int rdpdr_server_receive_client_name_request(RdpdrServerContext* context, wStream* s, RDPDR_HEADER* header)
{
UINT32 UnicodeFlag;
UINT32 ComputerNameLen;
Stream_Read_UINT32(s, UnicodeFlag); /* UnicodeFlag (4 bytes) */
Stream_Seek_UINT32(s); /* CodePage (4 bytes), MUST be set to zero */
Stream_Read_UINT32(s, ComputerNameLen); /* ComputerNameLen (4 bytes) */
/**
* Caution: ComputerNameLen is given *bytes*,
* not in characters, including the NULL terminator!
*/
if (context->priv->ClientComputerName)
{
free(context->priv->ClientComputerName);
context->priv->ClientComputerName = NULL;
}
if (UnicodeFlag)
{
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ConvertFromUnicode(CP_UTF8, 0, (WCHAR*) Stream_Pointer(s),
-1, &(context->priv->ClientComputerName), 0, NULL, NULL);
}
else
{
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context->priv->ClientComputerName = _strdup((char*) Stream_Pointer(s));
}
Stream_Seek(s, ComputerNameLen);
WLog_DBG(TAG, "ClientComputerName: %s", context->priv->ClientComputerName);
fflush(stdout);
return 0;
}
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static int rdpdr_server_read_capability_set_header(wStream* s, RDPDR_CAPABILITY_HEADER* header)
{
Stream_Read_UINT16(s, header->CapabilityType); /* CapabilityType (2 bytes) */
Stream_Read_UINT16(s, header->CapabilityLength); /* CapabilityLength (2 bytes) */
Stream_Read_UINT32(s, header->Version); /* Version (4 bytes) */
return 0;
}
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static int rdpdr_server_write_capability_set_header(wStream* s, RDPDR_CAPABILITY_HEADER* header)
{
Stream_Write_UINT16(s, header->CapabilityType); /* CapabilityType (2 bytes) */
Stream_Write_UINT16(s, header->CapabilityLength); /* CapabilityLength (2 bytes) */
Stream_Write_UINT32(s, header->Version); /* Version (4 bytes) */
return 0;
}
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static int rdpdr_server_read_general_capability_set(RdpdrServerContext* context, wStream* s, RDPDR_CAPABILITY_HEADER* header)
{
UINT32 ioCode1;
UINT32 extraFlags1;
UINT32 extendedPdu;
UINT16 VersionMajor;
UINT16 VersionMinor;
UINT32 SpecialTypeDeviceCap;
Stream_Seek_UINT32(s); /* osType (4 bytes), ignored on receipt */
Stream_Seek_UINT32(s); /* osVersion (4 bytes), unused and must be set to zero */
Stream_Read_UINT16(s, VersionMajor); /* protocolMajorVersion (2 bytes) */
Stream_Read_UINT16(s, VersionMinor); /* protocolMinorVersion (2 bytes) */
Stream_Read_UINT32(s, ioCode1); /* ioCode1 (4 bytes) */
Stream_Seek_UINT32(s); /* ioCode2 (4 bytes), must be set to zero, reserved for future use */
Stream_Read_UINT32(s, extendedPdu); /* extendedPdu (4 bytes) */
Stream_Read_UINT32(s, extraFlags1); /* extraFlags1 (4 bytes) */
Stream_Seek_UINT32(s); /* extraFlags2 (4 bytes), must be set to zero, reserved for future use */
Stream_Read_UINT32(s, SpecialTypeDeviceCap); /* SpecialTypeDeviceCap (4 bytes) */
context->priv->UserLoggedOnPdu = (extendedPdu & RDPDR_USER_LOGGEDON_PDU) ? TRUE : FALSE;
return 0;
}
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static int rdpdr_server_write_general_capability_set(RdpdrServerContext* context, wStream* s)
{
UINT32 ioCode1;
UINT32 extendedPdu;
UINT32 extraFlags1;
UINT32 SpecialTypeDeviceCap;
RDPDR_CAPABILITY_HEADER header;
header.CapabilityType = CAP_GENERAL_TYPE;
header.CapabilityLength = RDPDR_CAPABILITY_HEADER_LENGTH + 36;
header.Version = GENERAL_CAPABILITY_VERSION_02;
ioCode1 = 0;
ioCode1 |= RDPDR_IRP_MJ_CREATE; /* always set */
ioCode1 |= RDPDR_IRP_MJ_CLEANUP; /* always set */
ioCode1 |= RDPDR_IRP_MJ_CLOSE; /* always set */
ioCode1 |= RDPDR_IRP_MJ_READ; /* always set */
ioCode1 |= RDPDR_IRP_MJ_WRITE; /* always set */
ioCode1 |= RDPDR_IRP_MJ_FLUSH_BUFFERS; /* always set */
ioCode1 |= RDPDR_IRP_MJ_SHUTDOWN; /* always set */
ioCode1 |= RDPDR_IRP_MJ_DEVICE_CONTROL; /* always set */
ioCode1 |= RDPDR_IRP_MJ_QUERY_VOLUME_INFORMATION; /* always set */
ioCode1 |= RDPDR_IRP_MJ_SET_VOLUME_INFORMATION; /* always set */
ioCode1 |= RDPDR_IRP_MJ_QUERY_INFORMATION; /* always set */
ioCode1 |= RDPDR_IRP_MJ_SET_INFORMATION; /* always set */
ioCode1 |= RDPDR_IRP_MJ_DIRECTORY_CONTROL; /* always set */
ioCode1 |= RDPDR_IRP_MJ_LOCK_CONTROL; /* always set */
ioCode1 |= RDPDR_IRP_MJ_QUERY_SECURITY; /* optional */
ioCode1 |= RDPDR_IRP_MJ_SET_SECURITY; /* optional */
extendedPdu = 0;
extendedPdu |= RDPDR_CLIENT_DISPLAY_NAME_PDU; /* always set */
extendedPdu |= RDPDR_DEVICE_REMOVE_PDUS; /* optional */
if (context->priv->UserLoggedOnPdu)
extendedPdu |= RDPDR_USER_LOGGEDON_PDU; /* optional */
extraFlags1 = 0;
extraFlags1 |= ENABLE_ASYNCIO; /* optional */
SpecialTypeDeviceCap = 0;
Stream_EnsureRemainingCapacity(s, header.CapabilityLength);
rdpdr_server_write_capability_set_header(s, &header);
Stream_Write_UINT32(s, 0); /* osType (4 bytes), ignored on receipt */
Stream_Write_UINT32(s, 0); /* osVersion (4 bytes), unused and must be set to zero */
Stream_Write_UINT16(s, context->priv->VersionMajor); /* protocolMajorVersion (2 bytes) */
Stream_Write_UINT16(s, context->priv->VersionMinor); /* protocolMinorVersion (2 bytes) */
Stream_Write_UINT32(s, ioCode1); /* ioCode1 (4 bytes) */
Stream_Write_UINT32(s, 0); /* ioCode2 (4 bytes), must be set to zero, reserved for future use */
Stream_Write_UINT32(s, extendedPdu); /* extendedPdu (4 bytes) */
Stream_Write_UINT32(s, extraFlags1); /* extraFlags1 (4 bytes) */
Stream_Write_UINT32(s, 0); /* extraFlags2 (4 bytes), must be set to zero, reserved for future use */
Stream_Write_UINT32(s, SpecialTypeDeviceCap); /* SpecialTypeDeviceCap (4 bytes) */
return 0;
}
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static int rdpdr_server_read_printer_capability_set(RdpdrServerContext* context, wStream* s, RDPDR_CAPABILITY_HEADER* header)
{
return 0;
}
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static int rdpdr_server_write_printer_capability_set(RdpdrServerContext* context, wStream* s)
{
RDPDR_CAPABILITY_HEADER header;
header.CapabilityType = CAP_PRINTER_TYPE;
header.CapabilityLength = RDPDR_CAPABILITY_HEADER_LENGTH;
header.Version = PRINT_CAPABILITY_VERSION_01;
Stream_EnsureRemainingCapacity(s, header.CapabilityLength);
rdpdr_server_write_capability_set_header(s, &header);
return 0;
}
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static int rdpdr_server_read_port_capability_set(RdpdrServerContext* context, wStream* s, RDPDR_CAPABILITY_HEADER* header)
{
return 0;
}
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static int rdpdr_server_write_port_capability_set(RdpdrServerContext* context, wStream* s)
{
RDPDR_CAPABILITY_HEADER header;
header.CapabilityType = CAP_PORT_TYPE;
header.CapabilityLength = RDPDR_CAPABILITY_HEADER_LENGTH;
header.Version = PORT_CAPABILITY_VERSION_01;
Stream_EnsureRemainingCapacity(s, header.CapabilityLength);
rdpdr_server_write_capability_set_header(s, &header);
return 0;
}
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static int rdpdr_server_read_drive_capability_set(RdpdrServerContext* context, wStream* s, RDPDR_CAPABILITY_HEADER* header)
{
return 0;
}
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static int rdpdr_server_write_drive_capability_set(RdpdrServerContext* context, wStream* s)
{
RDPDR_CAPABILITY_HEADER header;
header.CapabilityType = CAP_DRIVE_TYPE;
header.CapabilityLength = RDPDR_CAPABILITY_HEADER_LENGTH;
header.Version = DRIVE_CAPABILITY_VERSION_02;
Stream_EnsureRemainingCapacity(s, header.CapabilityLength);
rdpdr_server_write_capability_set_header(s, &header);
return 0;
}
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static int rdpdr_server_read_smartcard_capability_set(RdpdrServerContext* context, wStream* s, RDPDR_CAPABILITY_HEADER* header)
{
return 0;
}
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static int rdpdr_server_write_smartcard_capability_set(RdpdrServerContext* context, wStream* s)
{
RDPDR_CAPABILITY_HEADER header;
header.CapabilityType = CAP_SMARTCARD_TYPE;
header.CapabilityLength = RDPDR_CAPABILITY_HEADER_LENGTH;
header.Version = SMARTCARD_CAPABILITY_VERSION_01;
Stream_EnsureRemainingCapacity(s, header.CapabilityLength);
rdpdr_server_write_capability_set_header(s, &header);
return 0;
}
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static int rdpdr_server_send_core_capability_request(RdpdrServerContext* context)
{
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wStream* s;
BOOL status;
RDPDR_HEADER header;
UINT16 numCapabilities;
ULONG written;
WLog_DBG(TAG, "RdpdrServerSendCoreCapabilityRequest"); fflush(stdout);
header.Component = RDPDR_CTYP_CORE;
header.PacketId = PAKID_CORE_SERVER_CAPABILITY;
numCapabilities = 1;
if (context->supportsDrives)
numCapabilities++;
if (context->supportsPorts)
numCapabilities++;
if (context->supportsPrinters)
numCapabilities++;
if (context->supportsSmartcards)
numCapabilities++;
s = Stream_New(NULL, RDPDR_HEADER_LENGTH + 512);
Stream_Write_UINT16(s, header.Component); /* Component (2 bytes) */
Stream_Write_UINT16(s, header.PacketId); /* PacketId (2 bytes) */
Stream_Write_UINT16(s, numCapabilities); /* numCapabilities (2 bytes) */
Stream_Write_UINT16(s, 0); /* Padding (2 bytes) */
rdpdr_server_write_general_capability_set(context, s);
if (context->supportsDrives)
{
rdpdr_server_write_drive_capability_set(context, s);
}
if (context->supportsPorts)
{
rdpdr_server_write_port_capability_set(context, s);
}
if (context->supportsPrinters)
{
rdpdr_server_write_printer_capability_set(context, s);
}
if (context->supportsSmartcards)
{
rdpdr_server_write_smartcard_capability_set(context, s);
}
Stream_SealLength(s);
winpr_HexDump(TAG, WLOG_DEBUG, Stream_Buffer(s), Stream_Length(s));
status = WTSVirtualChannelWrite(context->priv->ChannelHandle, (PCHAR) Stream_Buffer(s), Stream_Length(s), &written);
Stream_Free(s, TRUE);
return 0;
}
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static int rdpdr_server_receive_core_capability_response(RdpdrServerContext* context, wStream* s, RDPDR_HEADER* header)
{
int i;
UINT16 numCapabilities;
RDPDR_CAPABILITY_HEADER capabilityHeader;
Stream_Read_UINT16(s, numCapabilities); /* numCapabilities (2 bytes) */
Stream_Seek_UINT16(s); /* Padding (2 bytes) */
for (i = 0; i < numCapabilities; i++)
{
rdpdr_server_read_capability_set_header(s, &capabilityHeader);
switch (capabilityHeader.CapabilityType)
{
case CAP_GENERAL_TYPE:
rdpdr_server_read_general_capability_set(context, s, &capabilityHeader);
break;
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case CAP_PRINTER_TYPE:
rdpdr_server_read_printer_capability_set(context, s, &capabilityHeader);
break;
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case CAP_PORT_TYPE:
rdpdr_server_read_port_capability_set(context, s, &capabilityHeader);
break;
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case CAP_DRIVE_TYPE:
rdpdr_server_read_drive_capability_set(context, s, &capabilityHeader);
break;
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case CAP_SMARTCARD_TYPE:
rdpdr_server_read_smartcard_capability_set(context, s, &capabilityHeader);
break;
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default:
WLog_DBG(TAG, "Unknown capabilityType %d", capabilityHeader.CapabilityType);
Stream_Seek(s, capabilityHeader.CapabilityLength - RDPDR_CAPABILITY_HEADER_LENGTH);
break;
}
}
return 0;
}
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static int rdpdr_server_send_client_id_confirm(RdpdrServerContext* context)
{
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wStream* s;
BOOL status;
RDPDR_HEADER header;
ULONG written;
WLog_DBG(TAG, "RdpdrServerSendClientIdConfirm"); fflush(stdout);
header.Component = RDPDR_CTYP_CORE;
header.PacketId = PAKID_CORE_CLIENTID_CONFIRM;
s = Stream_New(NULL, RDPDR_HEADER_LENGTH + 8);
Stream_Write_UINT16(s, header.Component); /* Component (2 bytes) */
Stream_Write_UINT16(s, header.PacketId); /* PacketId (2 bytes) */
Stream_Write_UINT16(s, context->priv->VersionMajor); /* VersionMajor (2 bytes) */
Stream_Write_UINT16(s, context->priv->VersionMinor); /* VersionMinor (2 bytes) */
Stream_Write_UINT32(s, context->priv->ClientId); /* ClientId (4 bytes) */
Stream_SealLength(s);
status = WTSVirtualChannelWrite(context->priv->ChannelHandle, (PCHAR) Stream_Buffer(s), Stream_Length(s), &written);
Stream_Free(s, TRUE);
return 0;
}
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static int rdpdr_server_receive_device_list_announce_request(RdpdrServerContext* context, wStream* s, RDPDR_HEADER* header)
{
int i;
UINT32 DeviceCount;
UINT32 DeviceType;
UINT32 DeviceId;
char PreferredDosName[9];
UINT32 DeviceDataLength;
BYTE* DeviceData;
Stream_Read_UINT32(s, DeviceCount); /* DeviceCount (4 bytes) */
WLog_DBG(TAG, "DeviceCount: %d", DeviceCount);
for (i = 0; i < DeviceCount; i++)
{
ZeroMemory(PreferredDosName, sizeof(PreferredDosName));
Stream_Read_UINT32(s, DeviceType); /* DeviceType (4 bytes) */
Stream_Read_UINT32(s, DeviceId); /* DeviceId (4 bytes) */
Stream_Read(s, PreferredDosName, 8); /* PreferredDosName (8 bytes) */
Stream_Read_UINT32(s, DeviceDataLength); /* DeviceDataLength (4 bytes) */
DeviceData = Stream_Pointer(s);
WLog_DBG(TAG, "Device %d Name: %s Id: 0x%04X DataLength: %d",
i, PreferredDosName, DeviceId, DeviceDataLength);
switch (DeviceType)
{
case RDPDR_DTYP_FILESYSTEM:
if (context->supportsDrives)
{
IFCALL(context->OnDriveCreate, context, DeviceId, PreferredDosName);
}
break;
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case RDPDR_DTYP_PRINT:
if (context->supportsPrinters)
{
IFCALL(context->OnPrinterCreate, context, DeviceId, PreferredDosName);
}
break;
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case RDPDR_DTYP_SERIAL:
case RDPDR_DTYP_PARALLEL:
if (context->supportsPorts)
{
IFCALL(context->OnPortCreate, context, DeviceId, PreferredDosName);
}
break;
case RDPDR_DTYP_SMARTCARD:
if (context->supportsSmartcards)
{
IFCALL(context->OnSmartcardCreate, context, DeviceId, PreferredDosName);
}
break;
default:
break;
}
Stream_Seek(s, DeviceDataLength);
}
fflush(stdout);
return 0;
}
static int rdpdr_server_receive_device_list_remove_request(RdpdrServerContext* context, wStream* s, RDPDR_HEADER* header)
{
int i;
UINT32 DeviceCount;
UINT32 DeviceType;
UINT32 DeviceId;
Stream_Read_UINT32(s, DeviceCount); /* DeviceCount (4 bytes) */
WLog_DBG(TAG, "DeviceCount: %d", DeviceCount);
for (i = 0; i < DeviceCount; i++)
{
Stream_Read_UINT32(s, DeviceId); /* DeviceId (4 bytes) */
WLog_DBG(TAG, "Device %d Id: 0x%04X", i, DeviceId);
DeviceType = 0; /* TODO: Save the device type on the announce request. */
switch (DeviceType)
{
case RDPDR_DTYP_FILESYSTEM:
if (context->supportsDrives)
{
IFCALL(context->OnDriveDelete, context, DeviceId);
}
break;
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case RDPDR_DTYP_PRINT:
if (context->supportsPrinters)
{
IFCALL(context->OnPrinterDelete, context, DeviceId);
}
break;
case RDPDR_DTYP_SERIAL:
case RDPDR_DTYP_PARALLEL:
if (context->supportsPorts)
{
IFCALL(context->OnPortDelete, context, DeviceId);
}
break;
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case RDPDR_DTYP_SMARTCARD:
if (context->supportsSmartcards)
{
IFCALL(context->OnSmartcardDelete, context, DeviceId);
}
break;
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default:
break;
}
}
return 0;
}
static int rdpdr_server_receive_device_io_completion(RdpdrServerContext* context, wStream* s, RDPDR_HEADER* header)
{
UINT32 deviceId;
UINT32 completionId;
UINT32 ioStatus;
RDPDR_IRP* irp;
Stream_Read_UINT32(s, deviceId);
Stream_Read_UINT32(s, completionId);
Stream_Read_UINT32(s, ioStatus);
WLog_DBG(TAG, "deviceId=%d, completionId=0x%x, ioStatus=0x%x", deviceId, completionId, ioStatus);
irp = rdpdr_server_dequeue_irp(context, completionId);
if (irp == NULL)
{
WLog_ERR(TAG, "IRP not found for completionId=0x%x", completionId);
return -1;
}
/* Invoke the callback. */
if (irp->Callback)
{
(*irp->Callback)(context, s, irp, deviceId, completionId, ioStatus);
}
return 0;
}
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static int rdpdr_server_send_user_logged_on(RdpdrServerContext* context)
{
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wStream* s;
BOOL status;
RDPDR_HEADER header;
ULONG written;
WLog_DBG(TAG, "%s", __FUNCTION__);
fflush(stdout);
header.Component = RDPDR_CTYP_CORE;
header.PacketId = PAKID_CORE_USER_LOGGEDON;
s = Stream_New(NULL, RDPDR_HEADER_LENGTH);
Stream_Write_UINT16(s, header.Component); /* Component (2 bytes) */
Stream_Write_UINT16(s, header.PacketId); /* PacketId (2 bytes) */
Stream_SealLength(s);
status = WTSVirtualChannelWrite(context->priv->ChannelHandle, (PCHAR) Stream_Buffer(s), Stream_Length(s), &written);
Stream_Free(s, TRUE);
return 0;
}
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static int rdpdr_server_receive_pdu(RdpdrServerContext* context, wStream* s, RDPDR_HEADER* header)
{
WLog_DBG(TAG, "RdpdrServerReceivePdu: Component: 0x%04X PacketId: 0x%04X",
header->Component, header->PacketId);
winpr_HexDump(TAG, WLOG_DEBUG, Stream_Buffer(s), Stream_Length(s));
fflush(stdout);
if (header->Component == RDPDR_CTYP_CORE)
{
switch (header->PacketId)
{
case PAKID_CORE_CLIENTID_CONFIRM:
rdpdr_server_receive_announce_response(context, s, header);
break;
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case PAKID_CORE_CLIENT_NAME:
rdpdr_server_receive_client_name_request(context, s, header);
rdpdr_server_send_core_capability_request(context);
rdpdr_server_send_client_id_confirm(context);
break;
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case PAKID_CORE_CLIENT_CAPABILITY:
rdpdr_server_receive_core_capability_response(context, s, header);
if (context->priv->UserLoggedOnPdu)
rdpdr_server_send_user_logged_on(context);
break;
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case PAKID_CORE_DEVICELIST_ANNOUNCE:
rdpdr_server_receive_device_list_announce_request(context, s, header);
break;
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case PAKID_CORE_DEVICE_REPLY:
break;
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case PAKID_CORE_DEVICE_IOREQUEST:
break;
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case PAKID_CORE_DEVICE_IOCOMPLETION:
rdpdr_server_receive_device_io_completion(context, s, header);
break;
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case PAKID_CORE_DEVICELIST_REMOVE:
rdpdr_server_receive_device_list_remove_request(context, s, header);
break;
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default:
break;
}
}
else if (header->Component == RDPDR_CTYP_PRN)
{
switch (header->PacketId)
{
case PAKID_PRN_CACHE_DATA:
break;
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case PAKID_PRN_USING_XPS:
break;
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default:
break;
}
}
else
{
WLog_WARN(TAG, "Unknown RDPDR_HEADER.Component: 0x%04X", header->Component);
return -1;
}
return 0;
}
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static void* rdpdr_server_thread(void* arg)
{
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wStream* s;
DWORD status;
DWORD nCount;
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void* buffer;
int position;
HANDLE events[8];
RDPDR_HEADER header;
HANDLE ChannelEvent;
DWORD BytesReturned;
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RdpdrServerContext* context;
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context = (RdpdrServerContext*) arg;
buffer = NULL;
BytesReturned = 0;
ChannelEvent = NULL;
s = Stream_New(NULL, 4096);
if (WTSVirtualChannelQuery(context->priv->ChannelHandle, WTSVirtualEventHandle, &buffer, &BytesReturned) == TRUE)
{
if (BytesReturned == sizeof(HANDLE))
CopyMemory(&ChannelEvent, buffer, sizeof(HANDLE));
WTSFreeMemory(buffer);
}
nCount = 0;
events[nCount++] = ChannelEvent;
events[nCount++] = context->priv->StopEvent;
rdpdr_server_send_announce_request(context);
while (1)
{
BytesReturned = 0;
status = WaitForMultipleObjects(nCount, events, FALSE, INFINITE);
if (WaitForSingleObject(context->priv->StopEvent, 0) == WAIT_OBJECT_0)
{
break;
}
#if 0
WTSVirtualChannelRead(context->priv->ChannelHandle, 0, NULL, 0, &BytesReturned);
if (BytesReturned < 1)
continue;
Stream_EnsureRemainingCapacity(s, BytesReturned);
#endif
if (!WTSVirtualChannelRead(context->priv->ChannelHandle, 0,
(PCHAR) Stream_Buffer(s), Stream_Capacity(s), &BytesReturned))
{
break;
}
if (BytesReturned >= RDPDR_HEADER_LENGTH)
{
position = Stream_GetPosition(s);
Stream_SetPosition(s, 0);
Stream_SetLength(s, BytesReturned);
while (Stream_GetRemainingLength(s) >= RDPDR_HEADER_LENGTH)
{
Stream_Read_UINT16(s, header.Component); /* Component (2 bytes) */
Stream_Read_UINT16(s, header.PacketId); /* PacketId (2 bytes) */
rdpdr_server_receive_pdu(context, s, &header);
}
}
}
Stream_Free(s, TRUE);
return NULL;
}
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static int rdpdr_server_start(RdpdrServerContext* context)
{
context->priv->ChannelHandle = WTSVirtualChannelOpen(context->vcm, WTS_CURRENT_SESSION, "rdpdr");
if (!context->priv->ChannelHandle)
return -1;
context->priv->StopEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
context->priv->Thread = CreateThread(NULL, 0,
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(LPTHREAD_START_ROUTINE) rdpdr_server_thread, (void*) context, 0, NULL);
return 0;
}
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static int rdpdr_server_stop(RdpdrServerContext* context)
{
SetEvent(context->priv->StopEvent);
WaitForSingleObject(context->priv->Thread, INFINITE);
CloseHandle(context->priv->Thread);
return 0;
}
static void rdpdr_server_write_device_iorequest(
wStream* s,
UINT32 deviceId,
UINT32 fileId,
UINT32 completionId,
UINT32 majorFunction,
UINT32 minorFunction
)
{
Stream_Write_UINT16(s, RDPDR_CTYP_CORE); /* Component (2 bytes) */
Stream_Write_UINT16(s, PAKID_CORE_DEVICE_IOREQUEST); /* PacketId (2 bytes) */
Stream_Write_UINT32(s, deviceId); /* DeviceId (4 bytes) */
Stream_Write_UINT32(s, fileId); /* FileId (4 bytes) */
Stream_Write_UINT32(s, completionId); /* CompletionId (4 bytes) */
Stream_Write_UINT32(s, majorFunction); /* MajorFunction (4 bytes) */
Stream_Write_UINT32(s, minorFunction); /* MinorFunction (4 bytes) */
}
static BOOL rdpdr_server_read_file_directory_information(wStream* s, FILE_DIRECTORY_INFORMATION* fdi)
{
UINT32 fileNameLength;
ZeroMemory(fdi, sizeof(FILE_DIRECTORY_INFORMATION));
Stream_Read_UINT32(s, fdi->NextEntryOffset); /* NextEntryOffset (4 bytes) */
Stream_Read_UINT32(s, fdi->FileIndex); /* FileIndex (4 bytes) */
Stream_Read_UINT64(s, fdi->CreationTime); /* CreationTime (8 bytes) */
Stream_Read_UINT64(s, fdi->LastAccessTime); /* LastAccessTime (8 bytes) */
Stream_Read_UINT64(s, fdi->LastWriteTime); /* LastWriteTime (8 bytes) */
Stream_Read_UINT64(s, fdi->ChangeTime); /* ChangeTime (8 bytes) */
Stream_Read_UINT64(s, fdi->EndOfFile); /* EndOfFile (8 bytes) */
Stream_Read_UINT64(s, fdi->AllocationSize); /* AllocationSize (8 bytes) */
Stream_Read_UINT32(s, fdi->FileAttributes); /* FileAttributes (4 bytes) */
Stream_Read_UINT32(s, fileNameLength); /* FileNameLength (4 bytes) */
WideCharToMultiByte(CP_ACP, 0, (LPCWSTR) Stream_Pointer(s), fileNameLength / 2, fdi->FileName, sizeof(fdi->FileName), NULL, NULL);
Stream_Seek(s, fileNameLength);
return TRUE;
}
static BOOL rdpdr_server_send_device_create_request(
RdpdrServerContext* context,
UINT32 deviceId,
UINT32 completionId,
const char* path,
UINT32 desiredAccess,
UINT32 createOptions,
UINT32 createDisposition
)
{
int pathLength;
ULONG written;
BOOL status;
wStream* s;
WLog_DBG(TAG, "%s: deviceId=%d, path=%s, desiredAccess=0x%x createOptions=0x%x createDisposition=0x%x",
__FUNCTION__, deviceId, path, desiredAccess, createOptions, createDisposition);
/* Compute the required Unicode size. */
pathLength = (strlen(path) + 1) * sizeof(WCHAR);
s = Stream_New(NULL, 256 + pathLength);
rdpdr_server_write_device_iorequest(s, deviceId, 0, completionId, IRP_MJ_CREATE, 0);
Stream_Write_UINT32(s, desiredAccess); /* DesiredAccess (4 bytes) */
Stream_Write_UINT32(s, 0); /* AllocationSize (8 bytes) */
Stream_Write_UINT32(s, 0);
Stream_Write_UINT32(s, 0); /* FileAttributes (4 bytes) */
Stream_Write_UINT32(s, 3); /* SharedAccess (4 bytes) */
Stream_Write_UINT32(s, createDisposition); /* CreateDisposition (4 bytes) */
Stream_Write_UINT32(s, createOptions); /* CreateOptions (4 bytes) */
Stream_Write_UINT32(s, pathLength); /* PathLength (4 bytes) */
/* Convert the path to Unicode. */
MultiByteToWideChar(CP_ACP, 0, path, -1, (LPWSTR) Stream_Pointer(s), pathLength);
Stream_Seek(s, pathLength);
Stream_SealLength(s);
status = WTSVirtualChannelWrite(context->priv->ChannelHandle, (PCHAR) Stream_Buffer(s), Stream_Length(s), &written);
Stream_Free(s, TRUE);
return status;
}
static BOOL rdpdr_server_send_device_close_request(
RdpdrServerContext* context,
UINT32 deviceId,
UINT32 fileId,
UINT32 completionId
)
{
ULONG written;
BOOL status;
wStream* s;
WLog_DBG(TAG, "%s: deviceId=%d, fileId=%d", __FUNCTION__, deviceId, fileId);
s = Stream_New(NULL, 128);
rdpdr_server_write_device_iorequest(s, deviceId, fileId, completionId, IRP_MJ_CLOSE, 0);
Stream_Zero(s, 32); /* Padding (32 bytes) */
Stream_SealLength(s);
status = WTSVirtualChannelWrite(context->priv->ChannelHandle, (PCHAR) Stream_Buffer(s), Stream_Length(s), &written);
Stream_Free(s, TRUE);
return status;
}
static BOOL rdpdr_server_send_device_read_request(
RdpdrServerContext* context,
UINT32 deviceId,
UINT32 fileId,
UINT32 completionId,
UINT32 length,
UINT32 offset
)
{
ULONG written;
BOOL status;
wStream* s;
WLog_DBG(TAG, "%s: deviceId=%d, fileId=%d, length=%d, offset=%d", __FUNCTION__, deviceId, fileId, length, offset);
s = Stream_New(NULL, 128);
rdpdr_server_write_device_iorequest(s, deviceId, fileId, completionId, IRP_MJ_READ, 0);
Stream_Write_UINT32(s, length); /* Length (4 bytes) */
Stream_Write_UINT32(s, offset); /* Offset (8 bytes) */
Stream_Write_UINT32(s, 0);
Stream_Zero(s, 20); /* Padding (20 bytes) */
Stream_SealLength(s);
status = WTSVirtualChannelWrite(context->priv->ChannelHandle, (PCHAR) Stream_Buffer(s), Stream_Length(s), &written);
Stream_Free(s, TRUE);
return status;
}
static BOOL rdpdr_server_send_device_write_request(
RdpdrServerContext* context,
UINT32 deviceId,
UINT32 fileId,
UINT32 completionId,
const char* data,
UINT32 length,
UINT32 offset
)
{
ULONG written;
BOOL status;
wStream* s;
WLog_DBG(TAG, "%s: deviceId=%d, fileId=%d, length=%d, offset=%d", __FUNCTION__, deviceId, fileId, length, offset);
s = Stream_New(NULL, 64 + length);
rdpdr_server_write_device_iorequest(s, deviceId, fileId, completionId, IRP_MJ_WRITE, 0);
Stream_Write_UINT32(s, length); /* Length (4 bytes) */
Stream_Write_UINT32(s, offset); /* Offset (8 bytes) */
Stream_Write_UINT32(s, 0);
Stream_Zero(s, 20); /* Padding (20 bytes) */
Stream_Write(s, data, length); /* WriteData (variable) */
Stream_SealLength(s);
status = WTSVirtualChannelWrite(context->priv->ChannelHandle, (PCHAR) Stream_Buffer(s), Stream_Length(s), &written);
Stream_Free(s, TRUE);
return status;
}
static BOOL rdpdr_server_send_device_query_directory_request(
RdpdrServerContext* context,
UINT32 deviceId,
UINT32 fileId,
UINT32 completionId,
const char* path
)
{
int pathLength;
ULONG written;
BOOL status;
wStream* s;
WLog_DBG(TAG, "%s: deviceId=%d, fileId=%d, path=%s", __FUNCTION__, deviceId, fileId, path);
/* Compute the required Unicode size. */
pathLength = path ? (strlen(path) + 1) * sizeof(WCHAR) : 0;
s = Stream_New(NULL, 64 + pathLength);
rdpdr_server_write_device_iorequest(s, deviceId, fileId, completionId, IRP_MJ_DIRECTORY_CONTROL, IRP_MN_QUERY_DIRECTORY);
Stream_Write_UINT32(s, FileDirectoryInformation); /* FsInformationClass (4 bytes) */
Stream_Write_UINT8(s, path ? 1 : 0); /* InitialQuery (1 byte) */
Stream_Write_UINT32(s, pathLength); /* PathLength (4 bytes) */
Stream_Zero(s, 23); /* Padding (23 bytes) */
/* Convert the path to Unicode. */
if (pathLength > 0)
{
MultiByteToWideChar(CP_ACP, 0, path, -1, (LPWSTR) Stream_Pointer(s), pathLength);
Stream_Seek(s, pathLength);
}
Stream_SealLength(s);
status = WTSVirtualChannelWrite(context->priv->ChannelHandle, (PCHAR) Stream_Buffer(s), Stream_Length(s), &written);
Stream_Free(s, TRUE);
return status;
}
static BOOL rdpdr_server_send_device_file_rename_request(
RdpdrServerContext* context,
UINT32 deviceId,
UINT32 fileId,
UINT32 completionId,
const char* path
)
{
int pathLength;
ULONG written;
BOOL status;
wStream* s;
WLog_DBG(TAG, "%s: deviceId=%d, fileId=%d, path=%s", __FUNCTION__, deviceId, fileId, path);
/* Compute the required Unicode size. */
pathLength = path ? (strlen(path) + 1) * sizeof(WCHAR) : 0;
s = Stream_New(NULL, 64 + pathLength);
rdpdr_server_write_device_iorequest(s, deviceId, fileId, completionId, IRP_MJ_SET_INFORMATION, 0);
Stream_Write_UINT32(s, FileRenameInformation); /* FsInformationClass (4 bytes) */
Stream_Write_UINT32(s, pathLength + 6); /* Length (4 bytes) */
Stream_Zero(s, 24); /* Padding (24 bytes) */
/* RDP_FILE_RENAME_INFORMATION */
Stream_Write_UINT8(s, 0); /* ReplaceIfExists (1 byte) */
Stream_Write_UINT8(s, 0); /* RootDirectory (1 byte) */
Stream_Write_UINT32(s, pathLength); /* FileNameLength (4 bytes) */
/* Convert the path to Unicode. */
if (pathLength > 0)
{
MultiByteToWideChar(CP_ACP, 0, path, -1, (LPWSTR) Stream_Pointer(s), pathLength);
Stream_Seek(s, pathLength);
}
Stream_SealLength(s);
status = WTSVirtualChannelWrite(context->priv->ChannelHandle, (PCHAR) Stream_Buffer(s), Stream_Length(s), &written);
Stream_Free(s, TRUE);
return status;
}
static void rdpdr_server_convert_slashes(char* path, int size)
{
int i;
for (i = 0; (i < size) && (path[i] != '\0'); i++)
{
if (path[i] == '/')
path[i] = '\\';
}
}
/*************************************************
* Drive Create Directory
************************************************/
static void rdpdr_server_drive_create_directory_callback2(RdpdrServerContext* context, wStream* s, RDPDR_IRP* irp, UINT32 deviceId, UINT32 completionId, UINT32 ioStatus)
{
WLog_DBG(TAG, "%s: deviceId=%d, completionId=%d, ioStatus=0x%x", __FUNCTION__, deviceId, completionId, ioStatus);
/* Invoke the create directory completion routine. */
context->OnDriveCreateDirectoryComplete(context, irp->CallbackData, ioStatus);
/* Destroy the IRP. */
rdpdr_server_irp_free(irp);
}
static void rdpdr_server_drive_create_directory_callback1(RdpdrServerContext* context, wStream* s, RDPDR_IRP* irp, UINT32 deviceId, UINT32 completionId, UINT32 ioStatus)
{
UINT32 fileId;
UINT8 information;
WLog_DBG(TAG, "%s: deviceId=%d, completionId=%d, ioStatus=0x%x", __FUNCTION__, deviceId, completionId, ioStatus);
if (ioStatus != STATUS_SUCCESS)
{
/* Invoke the create directory completion routine. */
context->OnDriveCreateDirectoryComplete(context, irp->CallbackData, ioStatus);
/* Destroy the IRP. */
rdpdr_server_irp_free(irp);
return;
}
Stream_Read_UINT32(s, fileId); /* FileId (4 bytes) */
Stream_Read_UINT8(s, information); /* Information (1 byte) */
/* Setup the IRP. */
irp->CompletionId = context->priv->NextCompletionId++;
irp->Callback = rdpdr_server_drive_create_directory_callback2;
irp->DeviceId = deviceId;
irp->FileId = fileId;
rdpdr_server_enqueue_irp(context, irp);
/* Send a request to close the file */
rdpdr_server_send_device_close_request(context, deviceId, fileId, irp->CompletionId);
}
static BOOL rdpdr_server_drive_create_directory(RdpdrServerContext* context, void* callbackData, UINT32 deviceId, const char* path)
{
RDPDR_IRP* irp;
/* Create an IRP. */
irp = rdpdr_server_irp_new();
if (irp == NULL) return FALSE;
irp->CompletionId = context->priv->NextCompletionId++;
irp->Callback = rdpdr_server_drive_create_directory_callback1;
irp->CallbackData = callbackData;
irp->DeviceId = deviceId;
strncpy(irp->PathName, path, sizeof(irp->PathName));
rdpdr_server_convert_slashes(irp->PathName, sizeof(irp->PathName));
printf("PathName=%s\n", irp->PathName); fflush(stdout);
rdpdr_server_enqueue_irp(context, irp);
/* Send a request to open the file. */
rdpdr_server_send_device_create_request(
context, deviceId, irp->CompletionId, irp->PathName,
FILE_READ_DATA | SYNCHRONIZE,
FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT,
FILE_CREATE);
return TRUE;
}
/*************************************************
* Drive Delete Directory
************************************************/
static void rdpdr_server_drive_delete_directory_callback2(RdpdrServerContext* context, wStream* s, RDPDR_IRP* irp, UINT32 deviceId, UINT32 completionId, UINT32 ioStatus)
{
WLog_DBG(TAG, "%s: deviceId=%d, completionId=%d, ioStatus=0x%x", __FUNCTION__, deviceId, completionId, ioStatus);
/* Invoke the delete directory completion routine. */
context->OnDriveDeleteDirectoryComplete(context, irp->CallbackData, ioStatus);
/* Destroy the IRP. */
rdpdr_server_irp_free(irp);
}
static void rdpdr_server_drive_delete_directory_callback1(RdpdrServerContext* context, wStream* s, RDPDR_IRP* irp, UINT32 deviceId, UINT32 completionId, UINT32 ioStatus)
{
UINT32 fileId;
UINT8 information;
WLog_DBG(TAG, "%s: deviceId=%d, completionId=%d, ioStatus=0x%x", __FUNCTION__, deviceId, completionId, ioStatus);
if (ioStatus != STATUS_SUCCESS)
{
/* Invoke the delete directory completion routine. */
context->OnDriveDeleteFileComplete(context, irp->CallbackData, ioStatus);
/* Destroy the IRP. */
rdpdr_server_irp_free(irp);
return;
}
Stream_Read_UINT32(s, fileId); /* FileId (4 bytes) */
Stream_Read_UINT8(s, information); /* Information (1 byte) */
/* Setup the IRP. */
irp->CompletionId = context->priv->NextCompletionId++;
irp->Callback = rdpdr_server_drive_delete_directory_callback2;
irp->DeviceId = deviceId;
irp->FileId = fileId;
rdpdr_server_enqueue_irp(context, irp);
/* Send a request to close the file */
rdpdr_server_send_device_close_request(context, deviceId, fileId, irp->CompletionId);
}
static BOOL rdpdr_server_drive_delete_directory(RdpdrServerContext* context, void* callbackData, UINT32 deviceId, const char* path)
{
RDPDR_IRP* irp;
/* Create an IRP. */
irp = rdpdr_server_irp_new();
if (irp == NULL) return FALSE;
irp->CompletionId = context->priv->NextCompletionId++;
irp->Callback = rdpdr_server_drive_delete_directory_callback1;
irp->CallbackData = callbackData;
irp->DeviceId = deviceId;
strncpy(irp->PathName, path, sizeof(irp->PathName));
rdpdr_server_convert_slashes(irp->PathName, sizeof(irp->PathName));
printf("PathName=%s\n", irp->PathName); fflush(stdout);
rdpdr_server_enqueue_irp(context, irp);
/* Send a request to open the file. */
rdpdr_server_send_device_create_request(
context, deviceId, irp->CompletionId, irp->PathName,
DELETE | SYNCHRONIZE,
FILE_DIRECTORY_FILE | FILE_DELETE_ON_CLOSE | FILE_SYNCHRONOUS_IO_NONALERT,
FILE_OPEN);
return TRUE;
}
/*************************************************
* Drive Query Directory
************************************************/
static void rdpdr_server_drive_query_directory_callback2(RdpdrServerContext* context, wStream* s, RDPDR_IRP* irp, UINT32 deviceId, UINT32 completionId, UINT32 ioStatus)
{
FILE_DIRECTORY_INFORMATION fdi;
UINT32 length;
WLog_DBG(TAG, "%s: deviceId=%d, completionId=%d, ioStatus=0x%x", __FUNCTION__, deviceId, completionId, ioStatus);
Stream_Read_UINT32(s, length); /* Length (4 bytes) */
if (length > 0)
{
rdpdr_server_read_file_directory_information(s, &fdi);
}
else
{
Stream_Seek(s, 1); /* Padding (1 byte) */
}
if (ioStatus == STATUS_SUCCESS)
{
/* Invoke the query directory completion routine. */
context->OnDriveQueryDirectoryComplete(context, irp->CallbackData, ioStatus, length > 0 ? &fdi : NULL);
/* Setup the IRP. */
irp->CompletionId = context->priv->NextCompletionId++;
irp->Callback = rdpdr_server_drive_query_directory_callback2;
rdpdr_server_enqueue_irp(context, irp);
/* Send a request to query the directory. */
rdpdr_server_send_device_query_directory_request(context, irp->DeviceId, irp->FileId, irp->CompletionId, NULL);
}
else
{
/* Invoke the query directory completion routine. */
context->OnDriveQueryDirectoryComplete(context, irp->CallbackData, ioStatus, NULL);
/* Destroy the IRP. */
rdpdr_server_irp_free(irp);
}
}
static void rdpdr_server_drive_query_directory_callback1(RdpdrServerContext* context, wStream* s, RDPDR_IRP* irp, UINT32 deviceId, UINT32 completionId, UINT32 ioStatus)
{
UINT32 fileId;
WLog_DBG(TAG, "%s: deviceId=%d, completionId=%d, ioStatus=0x%x", __FUNCTION__, deviceId, completionId, ioStatus);
if (ioStatus != STATUS_SUCCESS)
{
/* Invoke the query directory completion routine. */
context->OnDriveQueryDirectoryComplete(context, irp->CallbackData, ioStatus, NULL);
/* Destroy the IRP. */
rdpdr_server_irp_free(irp);
return;
}
Stream_Read_UINT32(s, fileId);
/* Setup the IRP. */
irp->CompletionId = context->priv->NextCompletionId++;
irp->Callback = rdpdr_server_drive_query_directory_callback2;
irp->DeviceId = deviceId;
irp->FileId = fileId;
strcat(irp->PathName, "\\*.*");
rdpdr_server_enqueue_irp(context, irp);
/* Send a request to query the directory. */
rdpdr_server_send_device_query_directory_request(context, deviceId, fileId, irp->CompletionId, irp->PathName);
}
static BOOL rdpdr_server_drive_query_directory(RdpdrServerContext* context, void* callbackData, UINT32 deviceId, const char* path)
{
RDPDR_IRP* irp;
/* Create an IRP. */
irp = rdpdr_server_irp_new();
if (irp == NULL) return FALSE;
irp->CompletionId = context->priv->NextCompletionId++;
irp->Callback = rdpdr_server_drive_query_directory_callback1;
irp->CallbackData = callbackData;
irp->DeviceId = deviceId;
strncpy(irp->PathName, path, sizeof(irp->PathName));
rdpdr_server_convert_slashes(irp->PathName, sizeof(irp->PathName));
printf("PathName=%s\n", irp->PathName); fflush(stdout);
rdpdr_server_enqueue_irp(context, irp);
/* Send a request to open the directory. */
rdpdr_server_send_device_create_request(
context, deviceId, irp->CompletionId, irp->PathName,
FILE_READ_DATA | SYNCHRONIZE,
FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT,
FILE_OPEN);
return TRUE;
}
/*************************************************
* Drive Open File
************************************************/
static void rdpdr_server_drive_open_file_callback(RdpdrServerContext* context, wStream* s, RDPDR_IRP* irp, UINT32 deviceId, UINT32 completionId, UINT32 ioStatus)
{
UINT32 fileId;
UINT8 information;
WLog_DBG(TAG, "%s: deviceId=%d, completionId=%d, ioStatus=0x%x", __FUNCTION__, deviceId, completionId, ioStatus);
Stream_Read_UINT32(s, fileId); /* FileId (4 bytes) */
Stream_Read_UINT8(s, information); /* Information (1 byte) */
/* Invoke the open file completion routine. */
context->OnDriveOpenFileComplete(context, irp->CallbackData, ioStatus, deviceId, fileId);
/* Destroy the IRP. */
rdpdr_server_irp_free(irp);
}
static BOOL rdpdr_server_drive_open_file(RdpdrServerContext* context, void* callbackData, UINT32 deviceId, const char* path, UINT32 desiredAccess, UINT32 createDisposition)
{
RDPDR_IRP* irp;
/* Create an IRP. */
irp = rdpdr_server_irp_new();
if (irp == NULL) return FALSE;
irp->CompletionId = context->priv->NextCompletionId++;
irp->Callback = rdpdr_server_drive_open_file_callback;
irp->CallbackData = callbackData;
irp->DeviceId = deviceId;
strncpy(irp->PathName, path, sizeof(irp->PathName));
rdpdr_server_convert_slashes(irp->PathName, sizeof(irp->PathName));
printf("PathName=%s\n", irp->PathName); fflush(stdout);
rdpdr_server_enqueue_irp(context, irp);
/* Send a request to open the file. */
rdpdr_server_send_device_create_request(
context, deviceId, irp->CompletionId, irp->PathName,
desiredAccess | SYNCHRONIZE,
FILE_SYNCHRONOUS_IO_NONALERT,
createDisposition);
return TRUE;
}
/*************************************************
* Drive Read File
************************************************/
static void rdpdr_server_drive_read_file_callback(RdpdrServerContext* context, wStream* s, RDPDR_IRP* irp, UINT32 deviceId, UINT32 completionId, UINT32 ioStatus)
{
UINT32 length;
char* buffer = NULL;
WLog_DBG(TAG, "%s: deviceId=%d, completionId=%d, ioStatus=0x%x", __FUNCTION__, deviceId, completionId, ioStatus);
Stream_Read_UINT32(s, length); /* Length (4 bytes) */
if (length > 0)
{
buffer = (char*) Stream_Pointer(s);
Stream_Seek(s, length);
}
/* Invoke the read file completion routine. */
context->OnDriveReadFileComplete(context, irp->CallbackData, ioStatus, buffer, length);
/* Destroy the IRP. */
rdpdr_server_irp_free(irp);
}
static BOOL rdpdr_server_drive_read_file(RdpdrServerContext* context, void* callbackData, UINT32 deviceId, UINT32 fileId, UINT32 length, UINT32 offset)
{
RDPDR_IRP* irp;
/* Create an IRP. */
irp = rdpdr_server_irp_new();
if (irp == NULL) return FALSE;
irp->CompletionId = context->priv->NextCompletionId++;
irp->Callback = rdpdr_server_drive_read_file_callback;
irp->CallbackData = callbackData;
irp->DeviceId = deviceId;
irp->FileId = fileId;
rdpdr_server_enqueue_irp(context, irp);
/* Send a request to open the directory. */
rdpdr_server_send_device_read_request(context, deviceId, fileId, irp->CompletionId, length, offset);
return TRUE;
}
/*************************************************
* Drive Write File
************************************************/
static void rdpdr_server_drive_write_file_callback(RdpdrServerContext* context, wStream* s, RDPDR_IRP* irp, UINT32 deviceId, UINT32 completionId, UINT32 ioStatus)
{
UINT32 length;
WLog_DBG(TAG, "%s: deviceId=%d, completionId=%d, ioStatus=0x%x", __FUNCTION__, deviceId, completionId, ioStatus);
Stream_Read_UINT32(s, length); /* Length (4 bytes) */
Stream_Seek(s, 1); /* Padding (1 byte) */
/* Invoke the write file completion routine. */
context->OnDriveWriteFileComplete(context, irp->CallbackData, ioStatus, length);
/* Destroy the IRP. */
rdpdr_server_irp_free(irp);
}
static BOOL rdpdr_server_drive_write_file(RdpdrServerContext* context, void* callbackData, UINT32 deviceId, UINT32 fileId, const char* buffer, UINT32 length, UINT32 offset)
{
RDPDR_IRP* irp;
/* Create an IRP. */
irp = rdpdr_server_irp_new();
if (irp == NULL) return FALSE;
irp->CompletionId = context->priv->NextCompletionId++;
irp->Callback = rdpdr_server_drive_write_file_callback;
irp->CallbackData = callbackData;
irp->DeviceId = deviceId;
irp->FileId = fileId;
rdpdr_server_enqueue_irp(context, irp);
/* Send a request to open the directory. */
rdpdr_server_send_device_write_request(context, deviceId, fileId, irp->CompletionId, buffer, length, offset);
return TRUE;
}
/*************************************************
* Drive Close File
************************************************/
static void rdpdr_server_drive_close_file_callback(RdpdrServerContext* context, wStream* s, RDPDR_IRP* irp, UINT32 deviceId, UINT32 completionId, UINT32 ioStatus)
{
WLog_DBG(TAG, "%s: deviceId=%d, completionId=%d, ioStatus=0x%x", __FUNCTION__, deviceId, completionId, ioStatus);
/* Invoke the close file completion routine. */
context->OnDriveCloseFileComplete(context, irp->CallbackData, ioStatus);
/* Destroy the IRP. */
rdpdr_server_irp_free(irp);
}
static BOOL rdpdr_server_drive_close_file(RdpdrServerContext* context, void* callbackData, UINT32 deviceId, UINT32 fileId)
{
RDPDR_IRP* irp;
/* Create an IRP. */
irp = rdpdr_server_irp_new();
if (irp == NULL) return FALSE;
irp->CompletionId = context->priv->NextCompletionId++;
irp->Callback = rdpdr_server_drive_close_file_callback;
irp->CallbackData = callbackData;
irp->DeviceId = deviceId;
irp->FileId = fileId;
rdpdr_server_enqueue_irp(context, irp);
/* Send a request to open the directory. */
rdpdr_server_send_device_close_request(context, deviceId, fileId, irp->CompletionId);
return TRUE;
}
/*************************************************
* Drive Delete File
************************************************/
static void rdpdr_server_drive_delete_file_callback2(RdpdrServerContext* context, wStream* s, RDPDR_IRP* irp, UINT32 deviceId, UINT32 completionId, UINT32 ioStatus)
{
WLog_DBG(TAG, "%s: deviceId=%d, completionId=%d, ioStatus=0x%x", __FUNCTION__, deviceId, completionId, ioStatus);
/* Invoke the delete file completion routine. */
context->OnDriveDeleteFileComplete(context, irp->CallbackData, ioStatus);
/* Destroy the IRP. */
rdpdr_server_irp_free(irp);
}
static void rdpdr_server_drive_delete_file_callback1(RdpdrServerContext* context, wStream* s, RDPDR_IRP* irp, UINT32 deviceId, UINT32 completionId, UINT32 ioStatus)
{
UINT32 fileId;
UINT8 information;
WLog_DBG(TAG, "%s: deviceId=%d, completionId=%d, ioStatus=0x%x", __FUNCTION__, deviceId, completionId, ioStatus);
if (ioStatus != STATUS_SUCCESS)
{
/* Invoke the close file completion routine. */
context->OnDriveDeleteFileComplete(context, irp->CallbackData, ioStatus);
/* Destroy the IRP. */
rdpdr_server_irp_free(irp);
return;
}
Stream_Read_UINT32(s, fileId); /* FileId (4 bytes) */
Stream_Read_UINT8(s, information); /* Information (1 byte) */
/* Setup the IRP. */
irp->CompletionId = context->priv->NextCompletionId++;
irp->Callback = rdpdr_server_drive_delete_file_callback2;
irp->DeviceId = deviceId;
irp->FileId = fileId;
rdpdr_server_enqueue_irp(context, irp);
/* Send a request to close the file */
rdpdr_server_send_device_close_request(context, deviceId, fileId, irp->CompletionId);
}
static BOOL rdpdr_server_drive_delete_file(RdpdrServerContext* context, void* callbackData, UINT32 deviceId, const char* path)
{
RDPDR_IRP* irp;
/* Create an IRP. */
irp = rdpdr_server_irp_new();
if (irp == NULL) return FALSE;
irp->CompletionId = context->priv->NextCompletionId++;
irp->Callback = rdpdr_server_drive_delete_file_callback1;
irp->CallbackData = callbackData;
irp->DeviceId = deviceId;
strncpy(irp->PathName, path, sizeof(irp->PathName));
rdpdr_server_convert_slashes(irp->PathName, sizeof(irp->PathName));
printf("PathName=%s\n", irp->PathName); fflush(stdout);
rdpdr_server_enqueue_irp(context, irp);
/* Send a request to open the file. */
rdpdr_server_send_device_create_request(
context, deviceId, irp->CompletionId, irp->PathName,
FILE_READ_DATA | SYNCHRONIZE,
FILE_DELETE_ON_CLOSE | FILE_SYNCHRONOUS_IO_NONALERT,
FILE_OPEN);
return TRUE;
}
/*************************************************
* Drive Rename File
************************************************/
static void rdpdr_server_drive_rename_file_callback3(RdpdrServerContext* context, wStream* s, RDPDR_IRP* irp, UINT32 deviceId, UINT32 completionId, UINT32 ioStatus)
{
WLog_DBG(TAG, "%s: deviceId=%d, completionId=%d, ioStatus=0x%x", __FUNCTION__, deviceId, completionId, ioStatus);
/* Destroy the IRP. */
rdpdr_server_irp_free(irp);
}
static void rdpdr_server_drive_rename_file_callback2(RdpdrServerContext* context, wStream* s, RDPDR_IRP* irp, UINT32 deviceId, UINT32 completionId, UINT32 ioStatus)
{
UINT32 length;
WLog_DBG(TAG, "%s: deviceId=%d, completionId=%d, ioStatus=0x%x", __FUNCTION__, deviceId, completionId, ioStatus);
Stream_Read_UINT32(s, length); /* Length (4 bytes) */
Stream_Seek(s, 1); /* Padding (1 byte) */
/* Invoke the rename file completion routine. */
context->OnDriveRenameFileComplete(context, irp->CallbackData, ioStatus);
/* Setup the IRP. */
irp->CompletionId = context->priv->NextCompletionId++;
irp->Callback = rdpdr_server_drive_rename_file_callback3;
irp->DeviceId = deviceId;
rdpdr_server_enqueue_irp(context, irp);
/* Send a request to close the file */
rdpdr_server_send_device_close_request(context, deviceId, irp->FileId, irp->CompletionId);
}
static void rdpdr_server_drive_rename_file_callback1(RdpdrServerContext* context, wStream* s, RDPDR_IRP* irp, UINT32 deviceId, UINT32 completionId, UINT32 ioStatus)
{
UINT32 fileId;
UINT8 information;
WLog_DBG(TAG, "%s: deviceId=%d, completionId=%d, ioStatus=0x%x", __FUNCTION__, deviceId, completionId, ioStatus);
if (ioStatus != STATUS_SUCCESS)
{
/* Invoke the rename file completion routine. */
context->OnDriveRenameFileComplete(context, irp->CallbackData, ioStatus);
/* Destroy the IRP. */
rdpdr_server_irp_free(irp);
return;
}
Stream_Read_UINT32(s, fileId); /* FileId (4 bytes) */
Stream_Read_UINT8(s, information); /* Information (1 byte) */
printf("%s: FileId=%u\n", __FUNCTION__, fileId); fflush(stdout);
/* Setup the IRP. */
irp->CompletionId = context->priv->NextCompletionId++;
irp->Callback = rdpdr_server_drive_rename_file_callback2;
irp->DeviceId = deviceId;
irp->FileId = fileId;
rdpdr_server_enqueue_irp(context, irp);
/* Send a request to rename the file */
rdpdr_server_send_device_file_rename_request(context, deviceId, fileId, irp->CompletionId, irp->ExtraBuffer);
}
static BOOL rdpdr_server_drive_rename_file(RdpdrServerContext* context, void* callbackData, UINT32 deviceId, const char* oldPath, const char* newPath)
{
RDPDR_IRP* irp;
/* Create an IRP. */
irp = rdpdr_server_irp_new();
if (irp == NULL) return FALSE;
irp->CompletionId = context->priv->NextCompletionId++;
irp->Callback = rdpdr_server_drive_rename_file_callback1;
irp->CallbackData = callbackData;
irp->DeviceId = deviceId;
strncpy(irp->PathName, oldPath, sizeof(irp->PathName));
strncpy(irp->ExtraBuffer, newPath, sizeof(irp->ExtraBuffer));
rdpdr_server_convert_slashes(irp->PathName, sizeof(irp->PathName));
rdpdr_server_convert_slashes(irp->ExtraBuffer, sizeof(irp->ExtraBuffer));
printf("PathName=%s\n", irp->PathName); fflush(stdout);
printf("ExtraBuffer=%s\n", irp->ExtraBuffer); fflush(stdout);
rdpdr_server_enqueue_irp(context, irp);
/* Send a request to open the file. */
rdpdr_server_send_device_create_request(
context, deviceId, irp->CompletionId, irp->PathName,
FILE_READ_DATA | SYNCHRONIZE,
FILE_SYNCHRONOUS_IO_NONALERT,
FILE_OPEN);
return TRUE;
}
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RdpdrServerContext* rdpdr_server_context_new(HANDLE vcm)
{
2014-08-18 21:34:47 +04:00
RdpdrServerContext* context;
context = (RdpdrServerContext*) malloc(sizeof(RdpdrServerContext));
if (context)
{
ZeroMemory(context, sizeof(RdpdrServerContext));
context->vcm = vcm;
context->Start = rdpdr_server_start;
context->Stop = rdpdr_server_stop;
context->DriveCreateDirectory = rdpdr_server_drive_create_directory;
context->DriveDeleteDirectory = rdpdr_server_drive_delete_directory;
context->DriveQueryDirectory = rdpdr_server_drive_query_directory;
context->DriveOpenFile = rdpdr_server_drive_open_file;
context->DriveReadFile = rdpdr_server_drive_read_file;
context->DriveWriteFile = rdpdr_server_drive_write_file;
context->DriveCloseFile = rdpdr_server_drive_close_file;
context->DriveDeleteFile = rdpdr_server_drive_delete_file;
context->DriveRenameFile = rdpdr_server_drive_rename_file;
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context->priv = (RdpdrServerPrivate*) malloc(sizeof(RdpdrServerPrivate));
if (context->priv)
{
ZeroMemory(context->priv, sizeof(RdpdrServerPrivate));
context->priv->VersionMajor = RDPDR_VERSION_MAJOR;
context->priv->VersionMinor = RDPDR_VERSION_MINOR_RDP6X;
context->priv->ClientId = g_ClientId++;
context->priv->UserLoggedOnPdu = TRUE;
context->priv->IrpList = ListDictionary_New(TRUE);
context->priv->NextCompletionId = 1;
}
}
return context;
}
2014-08-18 21:34:47 +04:00
void rdpdr_server_context_free(RdpdrServerContext* context)
{
if (context)
{
if (context->priv)
{
ListDictionary_Free(context->priv->IrpList);
free(context->priv);
}
free(context);
}
}