FreeRDP/server/proxy/pf_context.h
2020-06-22 12:37:53 +02:00

131 lines
3.7 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Implementation
* FreeRDP Proxy Server
*
* Copyright 2019 Mati Shabtay <matishabtay@gmail.com>
* Copyright 2019 Kobi Mizrachi <kmizrachi18@gmail.com>
* Copyright 2019 Idan Freiberg <speidy@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_SERVER_PROXY_PFCONTEXT_H
#define FREERDP_SERVER_PROXY_PFCONTEXT_H
#include <freerdp/freerdp.h>
#include <freerdp/channels/wtsvc.h>
#include <freerdp/client/rdpei.h>
#include <freerdp/client/rail.h>
#include <freerdp/server/rail.h>
#include <freerdp/client/rdpgfx.h>
#include <freerdp/server/rdpgfx.h>
#include <freerdp/client/disp.h>
#include <freerdp/server/disp.h>
#include <freerdp/server/cliprdr.h>
#include <freerdp/server/rdpsnd.h>
#include "pf_config.h"
#include "pf_server.h"
#define PROXY_SESSION_ID_LENGTH 32
typedef struct proxy_data proxyData;
/**
* Wraps rdpContext and holds the state for the proxy's server.
*/
struct p_server_context
{
rdpContext context;
proxyData* pdata;
HANDLE vcm;
HANDLE dynvcReady;
RailServerContext* rail;
RdpgfxServerContext* gfx;
DispServerContext* disp;
CliprdrServerContext* cliprdr;
RdpsndServerContext* rdpsnd;
HANDLE* vc_handles; /* static virtual channels open handles */
wHashTable* vc_ids; /* channel_name -> channel_id map */
};
typedef struct p_server_context pServerContext;
/**
* Wraps rdpContext and holds the state for the proxy's client.
*/
struct p_client_context
{
rdpContext context;
proxyData* pdata;
RdpeiClientContext* rdpei;
RdpgfxClientContext* gfx_proxy;
RdpgfxClientContext* gfx_decoder;
DispClientContext* disp;
CliprdrClientContext* cliprdr;
RailClientContext* rail;
/*
* In a case when freerdp_connect fails,
* Used for NLA fallback feature, to check if the server should close the connection.
* When it is set to TRUE, proxy's client knows it shouldn't signal the server thread to
* closed the connection when pf_client_post_disconnect is called, because it is trying to
* connect reconnect without NLA. It must be set to TRUE before the first try, and to FALSE
* after the connection fully established, to ensure graceful shutdown of the connection
* when it will be closed.
*/
BOOL allow_next_conn_failure;
wHashTable* vc_ids; /* channel_name -> channel_id map */
};
typedef struct p_client_context pClientContext;
/**
* Holds data common to both sides of a proxy's session.
*/
struct proxy_data
{
proxyConfig* config;
pServerContext* ps;
pClientContext* pc;
HANDLE abort_event;
HANDLE client_thread;
HANDLE gfx_server_ready;
char session_id[PROXY_SESSION_ID_LENGTH + 1];
/* used to external modules to store per-session info */
wHashTable* modules_info;
};
BOOL pf_context_copy_settings(rdpSettings* dst, const rdpSettings* src);
BOOL pf_context_init_server_context(freerdp_peer* client);
pClientContext* pf_context_create_client_context(rdpSettings* clientSettings);
proxyData* proxy_data_new(void);
void proxy_data_set_client_context(proxyData* pdata, pClientContext* context);
void proxy_data_set_server_context(proxyData* pdata, pServerContext* context);
void proxy_data_free(proxyData* pdata);
BOOL proxy_data_shall_disconnect(proxyData* pdata);
void proxy_data_abort_connect(proxyData* pdata);
#endif /* FREERDP_SERVER_PROXY_PFCONTEXT_H */