FreeRDP/server/proxy/modules/capture/cap_protocol.c
2022-06-23 08:48:39 +02:00

66 lines
2.1 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Implementation
* FreeRDP Proxy Server Session Capture Module
*
* Copyright 2019 Kobi Mizrachi <kmizrachi18@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.
*/
#include "cap_protocol.h"
wStream* capture_plugin_packet_new(UINT32 payload_size, UINT16 type)
{
wStream* stream = Stream_New(NULL, HEADER_SIZE + payload_size);
if (!stream)
return NULL;
Stream_Write_UINT32(stream, payload_size);
Stream_Write_UINT16(stream, type);
return stream;
}
wStream* capture_plugin_create_session_info_packet(pClientContext* pc)
{
size_t username_length;
wStream* s = NULL;
rdpSettings* settings;
if (!pc)
return NULL;
settings = pc->context.settings;
if (!settings || !settings->Username)
return NULL;
username_length = strlen(settings->Username);
if ((username_length == 0) || (username_length > UINT16_MAX))
return NULL;
s = capture_plugin_packet_new(SESSION_INFO_PDU_BASE_SIZE + (UINT32)username_length,
MESSAGE_TYPE_SESSION_INFO);
if (!s)
return NULL;
Stream_Write_UINT16(s, (UINT16)username_length); /* username length (2 bytes) */
Stream_Write(s, settings->Username, username_length); /* username */
Stream_Write_UINT32(s, settings->DesktopWidth); /* desktop width (4 bytes) */
Stream_Write_UINT32(s, settings->DesktopHeight); /* desktop height (4 bytes) */
Stream_Write_UINT32(
s, freerdp_settings_get_uint32(settings, FreeRDP_ColorDepth)); /* color depth (4 bytes) */
Stream_Write(s, pc->pdata->session_id, PROXY_SESSION_ID_LENGTH); /* color depth (32 bytes) */
return s;
}