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channels/rdpdr: start server-side device redirection

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This commit is contained in:
Marc-André Moreau 2013-08-18 18:09:12 -04:00
parent af93bee5d2
commit 363bd27d76
8 changed files with 795 additions and 62 deletions
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4
channels/rdpdr/CMakeLists.txt
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@ -20,3 +20,7 @@ define_channel("rdpdr")
if(WITH_CLIENT_CHANNELS)
add_channel_client(${MODULE_PREFIX} ${CHANNEL_NAME})
endif()
if(WITH_SERVER_CHANNELS)
add_channel_server(${MODULE_PREFIX} ${CHANNEL_NAME})
endif()

2
channels/rdpdr/ChannelOptions.cmake
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@ -1,7 +1,7 @@
set(OPTION_DEFAULT OFF)
set(OPTION_CLIENT_DEFAULT ON)
set(OPTION_SERVER_DEFAULT OFF)
set(OPTION_SERVER_DEFAULT ON)
define_channel_options(NAME "rdpdr" TYPE "static"
DESCRIPTION "Device Redirection Virtual Channel Extension"

122
channels/rdpdr/client/rdpdr_capabilities.c
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@ -33,132 +33,132 @@
#include "rdpdr_capabilities.h"
/* Output device redirection capability set header */
static void rdpdr_write_capset_header(wStream* data_out, UINT16 capabilityType, UINT16 capabilityLength, UINT32 version)
static void rdpdr_write_capset_header(wStream* s, UINT16 capabilityType, UINT16 capabilityLength, UINT32 version)
{
Stream_Write_UINT16(data_out, capabilityType);
Stream_Write_UINT16(data_out, capabilityLength);
Stream_Write_UINT32(data_out, version);
Stream_Write_UINT16(s, capabilityType);
Stream_Write_UINT16(s, capabilityLength);
Stream_Write_UINT32(s, version);
}
/* Output device direction general capability set */
static void rdpdr_write_general_capset(rdpdrPlugin* rdpdr, wStream* data_out)
static void rdpdr_write_general_capset(rdpdrPlugin* rdpdr, wStream* s)
{
rdpdr_write_capset_header(data_out, CAP_GENERAL_TYPE, 44, GENERAL_CAPABILITY_VERSION_02);
rdpdr_write_capset_header(s, CAP_GENERAL_TYPE, 44, GENERAL_CAPABILITY_VERSION_02);
Stream_Write_UINT32(data_out, 0); /* osType, ignored on receipt */
Stream_Write_UINT32(data_out, 0); /* osVersion, unused and must be set to zero */
Stream_Write_UINT16(data_out, 1); /* protocolMajorVersion, must be set to 1 */
Stream_Write_UINT16(data_out, RDPDR_MINOR_RDP_VERSION_5_2); /* protocolMinorVersion */
Stream_Write_UINT32(data_out, 0x0000FFFF); /* ioCode1 */
Stream_Write_UINT32(data_out, 0); /* ioCode2, must be set to zero, reserved for future use */
Stream_Write_UINT32(data_out, RDPDR_DEVICE_REMOVE_PDUS | RDPDR_CLIENT_DISPLAY_NAME_PDU | RDPDR_USER_LOGGEDON_PDU); /* extendedPDU */
Stream_Write_UINT32(data_out, ENABLE_ASYNCIO); /* extraFlags1 */
Stream_Write_UINT32(data_out, 0); /* extraFlags2, must be set to zero, reserved for future use */
Stream_Write_UINT32(data_out, 0); /* SpecialTypeDeviceCap, number of special devices to be redirected before logon */
Stream_Write_UINT32(s, 0); /* osType, ignored on receipt */
Stream_Write_UINT32(s, 0); /* osVersion, unused and must be set to zero */
Stream_Write_UINT16(s, 1); /* protocolMajorVersion, must be set to 1 */
Stream_Write_UINT16(s, RDPDR_MINOR_RDP_VERSION_5_2); /* protocolMinorVersion */
Stream_Write_UINT32(s, 0x0000FFFF); /* ioCode1 */
Stream_Write_UINT32(s, 0); /* ioCode2, must be set to zero, reserved for future use */
Stream_Write_UINT32(s, RDPDR_DEVICE_REMOVE_PDUS | RDPDR_CLIENT_DISPLAY_NAME_PDU | RDPDR_USER_LOGGEDON_PDU); /* extendedPDU */
Stream_Write_UINT32(s, ENABLE_ASYNCIO); /* extraFlags1 */
Stream_Write_UINT32(s, 0); /* extraFlags2, must be set to zero, reserved for future use */
Stream_Write_UINT32(s, 0); /* SpecialTypeDeviceCap, number of special devices to be redirected before logon */
}
/* Process device direction general capability set */
static void rdpdr_process_general_capset(rdpdrPlugin* rdpdr, wStream* data_in)
static void rdpdr_process_general_capset(rdpdrPlugin* rdpdr, wStream* s)
{
UINT16 capabilityLength;
Stream_Read_UINT16(data_in, capabilityLength);
Stream_Seek(data_in, capabilityLength - 4);
Stream_Read_UINT16(s, capabilityLength);
Stream_Seek(s, capabilityLength - 4);
}
/* Output printer direction capability set */
static void rdpdr_write_printer_capset(rdpdrPlugin* rdpdr, wStream* data_out)
static void rdpdr_write_printer_capset(rdpdrPlugin* rdpdr, wStream* s)
{
rdpdr_write_capset_header(data_out, CAP_PRINTER_TYPE, 8, PRINT_CAPABILITY_VERSION_01);
rdpdr_write_capset_header(s, CAP_PRINTER_TYPE, 8, PRINT_CAPABILITY_VERSION_01);
}
/* Process printer direction capability set */
static void rdpdr_process_printer_capset(rdpdrPlugin* rdpdr, wStream* data_in)
static void rdpdr_process_printer_capset(rdpdrPlugin* rdpdr, wStream* s)
{
UINT16 capabilityLength;
Stream_Read_UINT16(data_in, capabilityLength);
Stream_Seek(data_in, capabilityLength - 4);
Stream_Read_UINT16(s, capabilityLength);
Stream_Seek(s, capabilityLength - 4);
}
/* Output port redirection capability set */
static void rdpdr_write_port_capset(rdpdrPlugin* rdpdr, wStream* data_out)
static void rdpdr_write_port_capset(rdpdrPlugin* rdpdr, wStream* s)
{
rdpdr_write_capset_header(data_out, CAP_PORT_TYPE, 8, PORT_CAPABILITY_VERSION_01);
rdpdr_write_capset_header(s, CAP_PORT_TYPE, 8, PORT_CAPABILITY_VERSION_01);
}
/* Process port redirection capability set */
static void rdpdr_process_port_capset(rdpdrPlugin* rdpdr, wStream* data_in)
static void rdpdr_process_port_capset(rdpdrPlugin* rdpdr, wStream* s)
{
UINT16 capabilityLength;
Stream_Read_UINT16(data_in, capabilityLength);
Stream_Seek(data_in, capabilityLength - 4);
Stream_Read_UINT16(s, capabilityLength);
Stream_Seek(s, capabilityLength - 4);
}
/* Output drive redirection capability set */
static void rdpdr_write_drive_capset(rdpdrPlugin* rdpdr, wStream* data_out)
static void rdpdr_write_drive_capset(rdpdrPlugin* rdpdr, wStream* s)
{
rdpdr_write_capset_header(data_out, CAP_DRIVE_TYPE, 8, DRIVE_CAPABILITY_VERSION_02);
rdpdr_write_capset_header(s, CAP_DRIVE_TYPE, 8, DRIVE_CAPABILITY_VERSION_02);
}
/* Process drive redirection capability set */
static void rdpdr_process_drive_capset(rdpdrPlugin* rdpdr, wStream* data_in)
static void rdpdr_process_drive_capset(rdpdrPlugin* rdpdr, wStream* s)
{
UINT16 capabilityLength;
Stream_Read_UINT16(data_in, capabilityLength);
Stream_Seek(data_in, capabilityLength - 4);
Stream_Read_UINT16(s, capabilityLength);
Stream_Seek(s, capabilityLength - 4);
}
/* Output smart card redirection capability set */
static void rdpdr_write_smartcard_capset(rdpdrPlugin* rdpdr, wStream* data_out)
static void rdpdr_write_smartcard_capset(rdpdrPlugin* rdpdr, wStream* s)
{
rdpdr_write_capset_header(data_out, CAP_SMARTCARD_TYPE, 8, SMARTCARD_CAPABILITY_VERSION_01);
rdpdr_write_capset_header(s, CAP_SMARTCARD_TYPE, 8, SMARTCARD_CAPABILITY_VERSION_01);
}
/* Process smartcard redirection capability set */
static void rdpdr_process_smartcard_capset(rdpdrPlugin* rdpdr, wStream* data_in)
static void rdpdr_process_smartcard_capset(rdpdrPlugin* rdpdr, wStream* s)
{
UINT16 capabilityLength;
Stream_Read_UINT16(data_in, capabilityLength);
Stream_Seek(data_in, capabilityLength - 4);
Stream_Read_UINT16(s, capabilityLength);
Stream_Seek(s, capabilityLength - 4);
}
void rdpdr_process_capability_request(rdpdrPlugin* rdpdr, wStream* data_in)
void rdpdr_process_capability_request(rdpdrPlugin* rdpdr, wStream* s)
{
UINT16 i;
UINT16 numCapabilities;
UINT16 capabilityType;
Stream_Read_UINT16(data_in, numCapabilities);
Stream_Seek(data_in, 2); /* pad (2 bytes) */
Stream_Read_UINT16(s, numCapabilities);
Stream_Seek(s, 2); /* pad (2 bytes) */
for(i = 0; i < numCapabilities; i++)
for (i = 0; i < numCapabilities; i++)
{
Stream_Read_UINT16(data_in, capabilityType);
Stream_Read_UINT16(s, capabilityType);
switch (capabilityType)
{
case CAP_GENERAL_TYPE:
rdpdr_process_general_capset(rdpdr, data_in);
rdpdr_process_general_capset(rdpdr, s);
break;
case CAP_PRINTER_TYPE:
rdpdr_process_printer_capset(rdpdr, data_in);
rdpdr_process_printer_capset(rdpdr, s);
break;
case CAP_PORT_TYPE:
rdpdr_process_port_capset(rdpdr, data_in);
rdpdr_process_port_capset(rdpdr, s);
break;
case CAP_DRIVE_TYPE:
rdpdr_process_drive_capset(rdpdr, data_in);
rdpdr_process_drive_capset(rdpdr, s);
break;
case CAP_SMARTCARD_TYPE:
rdpdr_process_smartcard_capset(rdpdr, data_in);
rdpdr_process_smartcard_capset(rdpdr, s);
break;
default:
@ -170,21 +170,21 @@ void rdpdr_process_capability_request(rdpdrPlugin* rdpdr, wStream* data_in)
void rdpdr_send_capability_response(rdpdrPlugin* rdpdr)
{
wStream* data_out;
wStream* s;
data_out = Stream_New(NULL, 256);
s = Stream_New(NULL, 256);
Stream_Write_UINT16(data_out, RDPDR_CTYP_CORE);
Stream_Write_UINT16(data_out, PAKID_CORE_CLIENT_CAPABILITY);
Stream_Write_UINT16(s, RDPDR_CTYP_CORE);
Stream_Write_UINT16(s, PAKID_CORE_CLIENT_CAPABILITY);
Stream_Write_UINT16(data_out, 5); /* numCapabilities */
Stream_Write_UINT16(data_out, 0); /* pad */
Stream_Write_UINT16(s, 5); /* numCapabilities */
Stream_Write_UINT16(s, 0); /* pad */
rdpdr_write_general_capset(rdpdr, data_out);
rdpdr_write_printer_capset(rdpdr, data_out);
rdpdr_write_port_capset(rdpdr, data_out);
rdpdr_write_drive_capset(rdpdr, data_out);
rdpdr_write_smartcard_capset(rdpdr, data_out);
rdpdr_write_general_capset(rdpdr, s);
rdpdr_write_printer_capset(rdpdr, s);
rdpdr_write_port_capset(rdpdr, s);
rdpdr_write_drive_capset(rdpdr, s);
rdpdr_write_smartcard_capset(rdpdr, s);
svc_plugin_send((rdpSvcPlugin*)rdpdr, data_out);
svc_plugin_send((rdpSvcPlugin*)rdpdr, s);
}

35
channels/rdpdr/server/CMakeLists.txt Normal file
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@ -0,0 +1,35 @@
# FreeRDP: A Remote Desktop Protocol Implementation
# FreeRDP cmake build script
#
# Copyright 2012 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.
define_channel_server("rdpdr")
set(${MODULE_PREFIX}_SRCS
rdpdr_main.c
rdpdr_main.h)
add_channel_server_library(${MODULE_PREFIX} ${MODULE_NAME} ${CHANNEL_NAME} FALSE "VirtualChannelEntry")
set_target_properties(${MODULE_NAME} PROPERTIES PREFIX "")
set_complex_link_libraries(VARIABLE ${MODULE_PREFIX}_LIBS
MONOLITHIC ${MONOLITHIC_BUILD}
MODULE freerdp
MODULES freerdp-utils)
target_link_libraries(${MODULE_NAME} ${${MODULE_PREFIX}_LIBS})
set_property(TARGET ${MODULE_NAME} PROPERTY FOLDER "Channels/${CHANNEL_NAME}/Server")

572
channels/rdpdr/server/rdpdr_main.c Normal file
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@ -0,0 +1,572 @@
/**
* FreeRDP: A Remote Desktop Protocol Implementation
* Device Redirection Virtual Channel Extension
*
* 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/print.h>
#include <winpr/stream.h>
#include "rdpdr_main.h"
static UINT32 g_ClientId = 0;
static int cliprdr_server_send_announce_request(RdpdrServerContext* context)
{
wStream* s;
BOOL status;
RDPDR_HEADER header;
printf("RdpdrServerSendAnnounceRequest\n");
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, Stream_Buffer(s), Stream_Length(s), NULL);
Stream_Free(s, TRUE);
return 0;
}
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) */
printf("Client Announce Response: VersionMajor: 0x%04X VersionMinor: 0x%04X ClientId: 0x%04X\n",
VersionMajor, VersionMinor, ClientId);
return 0;
}
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 (UnicodeFlag)
{
ConvertFromUnicode(CP_UTF8, 0, (WCHAR*) Stream_Pointer(s),
-1, &(context->priv->ClientComputerName), 0, NULL, NULL);
}
else
{
context->priv->ClientComputerName = _strdup((char*) Stream_Pointer(s));
}
Stream_Seek(s, ComputerNameLen);
printf("ClientComputerName: %s\n", context->priv->ClientComputerName);
return 0;
}
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;
}
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;
}
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) */
return 0;
}
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 */
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;
}
static int rdpdr_server_read_printer_capability_set(RdpdrServerContext* context, wStream* s, RDPDR_CAPABILITY_HEADER* header)
{
return 0;
}
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;
}
static int rdpdr_server_read_port_capability_set(RdpdrServerContext* context, wStream* s, RDPDR_CAPABILITY_HEADER* header)
{
return 0;
}
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;
}
static int rdpdr_server_read_drive_capability_set(RdpdrServerContext* context, wStream* s, RDPDR_CAPABILITY_HEADER* header)
{
return 0;
}
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;
}
static int rdpdr_server_read_smartcard_capability_set(RdpdrServerContext* context, wStream* s, RDPDR_CAPABILITY_HEADER* header)
{
return 0;
}
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;
}
static int rdpdr_server_send_core_capability_request(RdpdrServerContext* context)
{
wStream* s;
BOOL status;
RDPDR_HEADER header;
UINT16 numCapabilities;
printf("RdpdrServerSendCoreCapabilityRequest\n");
header.Component = RDPDR_CTYP_CORE;
header.PacketId = PAKID_CORE_SERVER_CAPABILITY;
numCapabilities = 5;
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);
rdpdr_server_write_printer_capability_set(context, s);
rdpdr_server_write_port_capability_set(context, s);
rdpdr_server_write_drive_capability_set(context, s);
rdpdr_server_write_smartcard_capability_set(context, s);
Stream_SealLength(s);
status = WTSVirtualChannelWrite(context->priv->ChannelHandle, Stream_Buffer(s), Stream_Length(s), NULL);
Stream_Free(s, TRUE);
return 0;
}
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;
case CAP_PRINTER_TYPE:
rdpdr_server_read_printer_capability_set(context, s, &capabilityHeader);
break;
case CAP_PORT_TYPE:
rdpdr_server_read_port_capability_set(context, s, &capabilityHeader);
break;
case CAP_DRIVE_TYPE:
rdpdr_server_read_drive_capability_set(context, s, &capabilityHeader);
break;
case CAP_SMARTCARD_TYPE:
rdpdr_server_read_smartcard_capability_set(context, s, &capabilityHeader);
break;
default:
printf("Unknown capabilityType %d\n", capabilityHeader.CapabilityType);
Stream_Seek(s, capabilityHeader.CapabilityLength - RDPDR_CAPABILITY_HEADER_LENGTH);
break;
}
}
return 0;
}
static int rdpdr_server_receive_pdu(RdpdrServerContext* context, wStream* s, RDPDR_HEADER* header)
{
printf("RdpdrServerReceivePdu: Component: 0x%04X PacketId: 0x%04X\n",
header->Component, header->PacketId);
winpr_HexDump(Stream_Buffer(s), Stream_Length(s));
if (header->Component == RDPDR_CTYP_CORE)
{
switch (header->PacketId)
{
case PAKID_CORE_CLIENTID_CONFIRM:
rdpdr_server_receive_announce_response(context, s, header);
break;
case PAKID_CORE_CLIENT_NAME:
rdpdr_server_receive_client_name_request(context, s, header);
rdpdr_server_send_core_capability_request(context);
break;
case PAKID_CORE_CLIENT_CAPABILITY:
rdpdr_server_receive_core_capability_response(context, s, header);
break;
case PAKID_CORE_DEVICELIST_ANNOUNCE:
break;
case PAKID_CORE_DEVICE_REPLY:
break;
case PAKID_CORE_DEVICE_IOREQUEST:
break;
case PAKID_CORE_DEVICE_IOCOMPLETION:
break;
case PAKID_CORE_DEVICELIST_REMOVE:
break;
default:
break;
}
}
else if (header->Component == RDPDR_CTYP_PRN)
{
switch (header->PacketId)
{
case PAKID_PRN_CACHE_DATA:
break;
case PAKID_PRN_USING_XPS:
break;
default:
break;
}
}
else
{
printf("Unknown RDPDR_HEADER.Component: 0x%04X\n", header->Component);
return -1;
}
return 0;
}
static void* rdpdr_server_thread(void* arg)
{
wStream* s;
DWORD status;
DWORD nCount;
void* buffer;
int position;
HANDLE events[8];
RDPDR_HEADER header;
HANDLE ChannelEvent;
UINT32 BytesReturned;
RdpdrServerContext* context;
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;
cliprdr_server_send_announce_request(context);
while (1)
{
status = WaitForMultipleObjects(nCount, events, FALSE, INFINITE);
if (WaitForSingleObject(context->priv->StopEvent, 0) == WAIT_OBJECT_0)
{
break;
}
if (WTSVirtualChannelRead(context->priv->ChannelHandle, 0,
Stream_Buffer(s), Stream_Capacity(s), &BytesReturned))
{
if (BytesReturned)
Stream_Seek(s, BytesReturned);
}
else
{
Stream_EnsureRemainingCapacity(s, BytesReturned);
}
if (Stream_GetPosition(s) >= RDPDR_HEADER_LENGTH)
{
position = Stream_GetPosition(s);
Stream_SetPosition(s, 0);
Stream_Read_UINT16(s, header.Component); /* Component (2 bytes) */
Stream_Read_UINT16(s, header.PacketId); /* PacketId (2 bytes) */
Stream_SetPosition(s, position);
Stream_SealLength(s);
Stream_SetPosition(s, RDPDR_HEADER_LENGTH);
rdpdr_server_receive_pdu(context, s, &header);
Stream_SetPosition(s, 0);
}
}
Stream_Free(s, TRUE);
return NULL;
}
static int rdpdr_server_start(RdpdrServerContext* context)
{
context->priv->ChannelHandle = WTSVirtualChannelOpenEx(context->vcm, "rdpdr", 0);
if (!context->priv->ChannelHandle)
return -1;
context->priv->StopEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
context->priv->Thread = CreateThread(NULL, 0,
(LPTHREAD_START_ROUTINE) rdpdr_server_thread, (void*) context, 0, NULL);
return 0;
}
static int rdpdr_server_stop(RdpdrServerContext* context)
{
SetEvent(context->priv->StopEvent);
WaitForSingleObject(context->priv->Thread, INFINITE);
CloseHandle(context->priv->Thread);
return 0;
}
RdpdrServerContext* rdpdr_server_context_new(WTSVirtualChannelManager* vcm)
{
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->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++;
}
}
return context;
}
void rdpdr_server_context_free(RdpdrServerContext* context)
{
if (context)
{
if (context->priv)
{
free(context->priv);
}
free(context);
}
}

67
channels/rdpdr/server/rdpdr_main.h Normal file
View File

@ -0,0 +1,67 @@
/**
* FreeRDP: A Remote Desktop Protocol Implementation
* Device Redirection Virtual Channel Extension
*
* 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.
*/
#ifndef FREERDP_CHANNEL_SERVER_RDPDR_MAIN_H
#define FREERDP_CHANNEL_SERVER_RDPDR_MAIN_H
#include <winpr/crt.h>
#include <winpr/synch.h>
#include <winpr/thread.h>
#include <freerdp/server/rdpdr.h>
struct _rdpdr_server_private
{
HANDLE Thread;
HANDLE StopEvent;
void* ChannelHandle;
UINT32 ClientId;
UINT16 VersionMajor;
UINT16 VersionMinor;
char* ClientComputerName;
};
#define RDPDR_HEADER_LENGTH 4
struct _RDPDR_HEADER
{
UINT16 Component;
UINT16 PacketId;
};
typedef struct _RDPDR_HEADER RDPDR_HEADER;
#define RDPDR_VERSION_MAJOR 0x0001
#define RDPDR_VERSION_MINOR_RDP50 0x0002
#define RDPDR_VERSION_MINOR_RDP51 0x0005
#define RDPDR_VERSION_MINOR_RDP52 0x000A
#define RDPDR_VERSION_MINOR_RDP6X 0x000C
#define RDPDR_CAPABILITY_HEADER_LENGTH 8
struct _RDPDR_CAPABILITY_HEADER
{
UINT16 CapabilityType;
UINT16 CapabilityLength;
UINT32 Version;
};
typedef struct _RDPDR_CAPABILITY_HEADER RDPDR_CAPABILITY_HEADER;
#endif /* FREERDP_CHANNEL_SERVER_RDPDR_MAIN_H */

4
channels/server/channels.c
View File

@ -43,6 +43,7 @@
#include <freerdp/server/audin.h>
#include <freerdp/server/rdpsnd.h>
#include <freerdp/server/cliprdr.h>
#include <freerdp/server/rdpdr.h>
void freerdp_channels_dummy()
{
@ -54,6 +55,9 @@ void freerdp_channels_dummy()
cliprdr_server_context_new(NULL);
cliprdr_server_context_free(NULL);
rdpdr_server_context_new(NULL);
rdpdr_server_context_free(NULL);
}
/**

51
include/freerdp/server/rdpdr.h Normal file
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@ -0,0 +1,51 @@
/**
* FreeRDP: A Remote Desktop Protocol Implementation
* Device Redirection Virtual Channel Server Interface
*
* 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.
*/
#ifndef FREERDP_CHANNEL_SERVER_RDPDR_H
#define FREERDP_CHANNEL_SERVER_RDPDR_H
#include <freerdp/api.h>
#include <freerdp/types.h>
#include <freerdp/channels/wtsvc.h>
#include <freerdp/channels/rdpdr.h>
/**
* Server Interface
*/
typedef struct _rdpdr_server_context RdpdrServerContext;
typedef struct _rdpdr_server_private RdpdrServerPrivate;
typedef int (*psRdpdrStart)(RdpdrServerContext* context);
typedef int (*psRdpdrStop)(RdpdrServerContext* context);
struct _rdpdr_server_context
{
WTSVirtualChannelManager* vcm;
psRdpdrStart Start;
psRdpdrStop Stop;
RdpdrServerPrivate* priv;
};
FREERDP_API RdpdrServerContext* rdpdr_server_context_new(WTSVirtualChannelManager* vcm);
FREERDP_API void rdpdr_server_context_free(RdpdrServerContext* context);
#endif /* FREERDP_CHANNEL_SERVER_RDPDR_H */