2011-08-05 11:43:48 +04:00
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/**
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2012-10-09 05:00:07 +04:00
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* FreeRDP: A Remote Desktop Protocol Implementation
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* Device Redirection Virtual Channel
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2011-08-05 11:43:48 +04:00
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*
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* Copyright 2010-2011 Vic Lee
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2012-10-09 05:00:07 +04:00
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* Copyright 2010-2012 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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2011-08-05 11:43:48 +04:00
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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2012-08-15 01:09:01 +04:00
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#ifdef HAVE_CONFIG_H
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2011-08-05 11:43:48 +04:00
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#include "config.h"
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2012-08-15 01:09:01 +04:00
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#endif
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2011-08-05 11:43:48 +04:00
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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2012-08-15 01:09:01 +04:00
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2011-08-05 11:43:48 +04:00
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#include <freerdp/utils/stream.h>
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#include <freerdp/utils/svc_plugin.h>
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2012-10-09 05:00:07 +04:00
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#include "rdpdr_main.h"
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2011-08-05 11:43:48 +04:00
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#include "rdpdr_capabilities.h"
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/* Output device redirection capability set header */
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2012-10-09 11:26:39 +04:00
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static void rdpdr_write_capset_header(STREAM* data_out, UINT16 capabilityType, UINT16 capabilityLength, UINT32 version)
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2011-08-05 11:43:48 +04:00
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{
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2012-10-09 11:01:37 +04:00
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stream_write_UINT16(data_out, capabilityType);
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stream_write_UINT16(data_out, capabilityLength);
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2012-10-09 11:26:39 +04:00
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stream_write_UINT32(data_out, version);
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2011-08-05 11:43:48 +04:00
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}
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/* Output device direction general capability set */
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static void rdpdr_write_general_capset(rdpdrPlugin* rdpdr, STREAM* data_out)
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{
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rdpdr_write_capset_header(data_out, CAP_GENERAL_TYPE, 44, GENERAL_CAPABILITY_VERSION_02);
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2012-10-09 11:26:39 +04:00
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stream_write_UINT32(data_out, 0); /* osType, ignored on receipt */
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stream_write_UINT32(data_out, 0); /* osVersion, unused and must be set to zero */
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2012-10-09 11:01:37 +04:00
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stream_write_UINT16(data_out, 1); /* protocolMajorVersion, must be set to 1 */
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stream_write_UINT16(data_out, RDPDR_MINOR_RDP_VERSION_5_2); /* protocolMinorVersion */
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2012-10-09 11:26:39 +04:00
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stream_write_UINT32(data_out, 0x0000FFFF); /* ioCode1 */
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stream_write_UINT32(data_out, 0); /* ioCode2, must be set to zero, reserved for future use */
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stream_write_UINT32(data_out, RDPDR_DEVICE_REMOVE_PDUS | RDPDR_CLIENT_DISPLAY_NAME_PDU | RDPDR_USER_LOGGEDON_PDU); /* extendedPDU */
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stream_write_UINT32(data_out, ENABLE_ASYNCIO); /* extraFlags1 */
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stream_write_UINT32(data_out, 0); /* extraFlags2, must be set to zero, reserved for future use */
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stream_write_UINT32(data_out, 0); /* SpecialTypeDeviceCap, number of special devices to be redirected before logon */
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2011-08-05 11:43:48 +04:00
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}
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/* Process device direction general capability set */
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static void rdpdr_process_general_capset(rdpdrPlugin* rdpdr, STREAM* data_in)
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{
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2012-10-09 11:01:37 +04:00
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UINT16 capabilityLength;
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2011-08-05 11:43:48 +04:00
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2012-10-09 11:01:37 +04:00
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stream_read_UINT16(data_in, capabilityLength);
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2011-08-05 11:43:48 +04:00
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stream_seek(data_in, capabilityLength - 4);
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}
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/* Output printer direction capability set */
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static void rdpdr_write_printer_capset(rdpdrPlugin* rdpdr, STREAM* data_out)
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{
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rdpdr_write_capset_header(data_out, CAP_PRINTER_TYPE, 8, PRINT_CAPABILITY_VERSION_01);
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}
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/* Process printer direction capability set */
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static void rdpdr_process_printer_capset(rdpdrPlugin* rdpdr, STREAM* data_in)
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{
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2012-10-09 11:01:37 +04:00
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UINT16 capabilityLength;
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2011-08-05 11:43:48 +04:00
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2012-10-09 11:01:37 +04:00
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stream_read_UINT16(data_in, capabilityLength);
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2011-08-05 11:43:48 +04:00
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stream_seek(data_in, capabilityLength - 4);
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}
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/* Output port redirection capability set */
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static void rdpdr_write_port_capset(rdpdrPlugin* rdpdr, STREAM* data_out)
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{
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rdpdr_write_capset_header(data_out, CAP_PORT_TYPE, 8, PORT_CAPABILITY_VERSION_01);
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}
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/* Process port redirection capability set */
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static void rdpdr_process_port_capset(rdpdrPlugin* rdpdr, STREAM* data_in)
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{
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2012-10-09 11:01:37 +04:00
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UINT16 capabilityLength;
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2011-08-05 11:43:48 +04:00
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2012-10-09 11:01:37 +04:00
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stream_read_UINT16(data_in, capabilityLength);
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2011-08-05 11:43:48 +04:00
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stream_seek(data_in, capabilityLength - 4);
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}
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/* Output drive redirection capability set */
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static void rdpdr_write_drive_capset(rdpdrPlugin* rdpdr, STREAM* data_out)
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{
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rdpdr_write_capset_header(data_out, CAP_DRIVE_TYPE, 8, DRIVE_CAPABILITY_VERSION_02);
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}
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/* Process drive redirection capability set */
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static void rdpdr_process_drive_capset(rdpdrPlugin* rdpdr, STREAM* data_in)
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{
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2012-10-09 11:01:37 +04:00
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UINT16 capabilityLength;
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2011-08-05 11:43:48 +04:00
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2012-10-09 11:01:37 +04:00
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stream_read_UINT16(data_in, capabilityLength);
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2011-08-05 11:43:48 +04:00
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stream_seek(data_in, capabilityLength - 4);
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}
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/* Output smart card redirection capability set */
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static void rdpdr_write_smartcard_capset(rdpdrPlugin* rdpdr, STREAM* data_out)
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{
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rdpdr_write_capset_header(data_out, CAP_SMARTCARD_TYPE, 8, SMARTCARD_CAPABILITY_VERSION_01);
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}
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/* Process smartcard redirection capability set */
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static void rdpdr_process_smartcard_capset(rdpdrPlugin* rdpdr, STREAM* data_in)
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{
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2012-10-09 11:01:37 +04:00
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UINT16 capabilityLength;
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2011-08-05 11:43:48 +04:00
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2012-10-09 11:01:37 +04:00
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stream_read_UINT16(data_in, capabilityLength);
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2011-08-05 11:43:48 +04:00
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stream_seek(data_in, capabilityLength - 4);
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}
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void rdpdr_process_capability_request(rdpdrPlugin* rdpdr, STREAM* data_in)
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{
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2012-10-09 11:01:37 +04:00
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UINT16 i;
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UINT16 numCapabilities;
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UINT16 capabilityType;
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2011-08-05 11:43:48 +04:00
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2012-10-09 11:01:37 +04:00
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stream_read_UINT16(data_in, numCapabilities);
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2011-08-05 11:43:48 +04:00
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stream_seek(data_in, 2); /* pad (2 bytes) */
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for(i = 0; i < numCapabilities; i++)
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{
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2012-10-09 11:01:37 +04:00
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stream_read_UINT16(data_in, capabilityType);
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2011-08-05 11:43:48 +04:00
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switch (capabilityType)
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{
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case CAP_GENERAL_TYPE:
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rdpdr_process_general_capset(rdpdr, data_in);
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break;
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case CAP_PRINTER_TYPE:
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rdpdr_process_printer_capset(rdpdr, data_in);
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break;
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case CAP_PORT_TYPE:
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rdpdr_process_port_capset(rdpdr, data_in);
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break;
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case CAP_DRIVE_TYPE:
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rdpdr_process_drive_capset(rdpdr, data_in);
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break;
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case CAP_SMARTCARD_TYPE:
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rdpdr_process_smartcard_capset(rdpdr, data_in);
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break;
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default:
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DEBUG_WARN("Unknown capabilityType %d", capabilityType);
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break;
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}
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}
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}
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void rdpdr_send_capability_response(rdpdrPlugin* rdpdr)
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{
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STREAM* data_out;
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data_out = stream_new(256);
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2012-10-09 11:01:37 +04:00
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stream_write_UINT16(data_out, RDPDR_CTYP_CORE);
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stream_write_UINT16(data_out, PAKID_CORE_CLIENT_CAPABILITY);
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2011-08-05 11:43:48 +04:00
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2012-10-09 11:01:37 +04:00
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stream_write_UINT16(data_out, 5); /* numCapabilities */
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stream_write_UINT16(data_out, 0); /* pad */
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2011-08-05 11:43:48 +04:00
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rdpdr_write_general_capset(rdpdr, data_out);
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rdpdr_write_printer_capset(rdpdr, data_out);
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rdpdr_write_port_capset(rdpdr, data_out);
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rdpdr_write_drive_capset(rdpdr, data_out);
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rdpdr_write_smartcard_capset(rdpdr, data_out);
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svc_plugin_send((rdpSvcPlugin*)rdpdr, data_out);
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}
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