FreeRDP/client/Windows/wf_channels.c
2022-09-12 12:58:28 +02:00

161 lines
4.0 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Implementation
*
* Copyright 2014 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.
*/
#include <freerdp/config.h>
#include <winpr/assert.h>
#include "wf_channels.h"
#include "wf_rail.h"
#include "wf_cliprdr.h"
#include <freerdp/gdi/gfx.h>
#include <freerdp/gdi/video.h>
#include <freerdp/log.h>
#define TAG CLIENT_TAG("windows")
static BOOL encomsp_toggle_control(EncomspClientContext* encomsp, BOOL control)
{
ENCOMSP_CHANGE_PARTICIPANT_CONTROL_LEVEL_PDU pdu;
if (!encomsp)
return FALSE;
pdu.ParticipantId = 0;
pdu.Flags = ENCOMSP_REQUEST_VIEW;
if (control)
pdu.Flags |= ENCOMSP_REQUEST_INTERACT;
encomsp->ChangeParticipantControlLevel(encomsp, &pdu);
return TRUE;
}
static UINT
wf_encomsp_participant_created(EncomspClientContext* context,
const ENCOMSP_PARTICIPANT_CREATED_PDU* participantCreated)
{
wfContext* wf;
rdpSettings* settings;
BOOL request;
if (!context || !context->custom || !participantCreated)
return ERROR_INVALID_PARAMETER;
wf = (wfContext*)context->custom;
WINPR_ASSERT(wf);
settings = wf->common.context.settings;
if (!settings)
return ERROR_INVALID_PARAMETER;
request = freerdp_settings_get_bool(settings, FreeRDP_RemoteAssistanceRequestControl);
if (request && (participantCreated->Flags & ENCOMSP_MAY_VIEW) &&
!(participantCreated->Flags & ENCOMSP_MAY_INTERACT))
{
if (!encomsp_toggle_control(context, TRUE))
return ERROR_INTERNAL_ERROR;
}
return CHANNEL_RC_OK;
}
static void wf_encomsp_init(wfContext* wf, EncomspClientContext* encomsp)
{
wf->encomsp = encomsp;
encomsp->custom = (void*)wf;
encomsp->ParticipantCreated = wf_encomsp_participant_created;
}
static void wf_encomsp_uninit(wfContext* wf, EncomspClientContext* encomsp)
{
if (encomsp)
{
encomsp->custom = NULL;
encomsp->ParticipantCreated = NULL;
}
if (wf)
wf->encomsp = NULL;
}
void wf_OnChannelConnectedEventHandler(void* context, const ChannelConnectedEventArgs* e)
{
wfContext* wfc = (wfContext*)context;
rdpSettings* settings;
WINPR_ASSERT(wfc);
WINPR_ASSERT(e);
settings = wfc->common.context.settings;
WINPR_ASSERT(settings);
if (strcmp(e->name, RAIL_SVC_CHANNEL_NAME) == 0)
{
wf_rail_init(wfc, (RailClientContext*)e->pInterface);
}
else if (strcmp(e->name, CLIPRDR_SVC_CHANNEL_NAME) == 0)
{
wf_cliprdr_init(wfc, (CliprdrClientContext*)e->pInterface);
}
else if (strcmp(e->name, ENCOMSP_SVC_CHANNEL_NAME) == 0)
{
wf_encomsp_init(wfc, (EncomspClientContext*)e->pInterface);
}
else if (strcmp(e->name, DISP_DVC_CHANNEL_NAME) == 0)
{
wfc->disp = (DispClientContext*)e->pInterface;
}
else
freerdp_client_OnChannelConnectedEventHandler(context, e);
}
void wf_OnChannelDisconnectedEventHandler(void* context, const ChannelDisconnectedEventArgs* e)
{
wfContext* wfc = (wfContext*)context;
rdpSettings* settings;
WINPR_ASSERT(wfc);
WINPR_ASSERT(e);
settings = wfc->common.context.settings;
WINPR_ASSERT(settings);
if (strcmp(e->name, RAIL_SVC_CHANNEL_NAME) == 0)
{
wf_rail_uninit(wfc, (RailClientContext*)e->pInterface);
}
else if (strcmp(e->name, CLIPRDR_SVC_CHANNEL_NAME) == 0)
{
wf_cliprdr_uninit(wfc, (CliprdrClientContext*)e->pInterface);
}
else if (strcmp(e->name, ENCOMSP_SVC_CHANNEL_NAME) == 0)
{
wf_encomsp_uninit(wfc, (EncomspClientContext*)e->pInterface);
}
else if (strcmp(e->name, DISP_DVC_CHANNEL_NAME) == 0)
{
wfc->disp = NULL;
}
else
freerdp_client_OnChannelDisconnectedEventHandler(context, e);
}