#include <freerdp/config.h>
#include <winpr/crt.h>
#include <winpr/ssl.h>
#include <winpr/path.h>
#include <winpr/synch.h>
#include <winpr/string.h>
#include <winpr/winsock.h>
#include <winpr/thread.h>
#include <errno.h>
#include <freerdp/freerdp.h>
#include <freerdp/streamdump.h>
#include <freerdp/channels/wtsvc.h>
#include <freerdp/channels/channels.h>
#include <freerdp/channels/drdynvc.h>
#include <freerdp/build-config.h>
#include <freerdp/channels/rdpdr.h>
#include <freerdp/server/proxy/proxy_server.h>
#include <freerdp/server/proxy/proxy_log.h>
#include "pf_server.h"
#include "pf_channel.h"
#include <freerdp/server/proxy/proxy_config.h>
#include "pf_client.h"
#include <freerdp/server/proxy/proxy_context.h>
#include "pf_update.h"
#include "proxy_modules.h"
#include "pf_utils.h"
#include "channels/pf_channel_drdynvc.h"
#include "channels/pf_channel_rdpdr.h"

Macros
#define	TAG PROXY_TAG("server")

#define	TARGET_MAX (100)

#define	ROUTING_TOKEN_PREFIX "Cookie: msts="

Functions
static BOOL	pf_server_parse_target_from_routing_token (rdpContext context, rdpSettings settings, FreeRDP_Settings_Keys_String targetID, FreeRDP_Settings_Keys_UInt32 portID)

static BOOL	pf_server_get_target_info (rdpContext context, rdpSettings settings, const proxyConfig *config)

static BOOL	pf_server_setup_channels (freerdp_peer *peer)

static BOOL	pf_server_post_connect (freerdp_peer *peer)

static BOOL	pf_server_activate (freerdp_peer *peer)

static BOOL	pf_server_logon (freerdp_peer peer, const SEC_WINNT_AUTH_IDENTITY identity, BOOL automatic)

static BOOL	pf_server_adjust_monitor_layout (freerdp_peer *peer)

static BOOL	pf_server_receive_channel_data_hook (freerdp_peer peer, UINT16 channelId, const BYTE data, size_t size, UINT32 flags, size_t totalSize)

static BOOL	pf_server_initialize_peer_connection (freerdp_peer *peer)

static DWORD WINAPI	pf_server_handle_peer (LPVOID arg)

static BOOL	pf_server_start_peer (freerdp_peer *client)

static BOOL	pf_server_peer_accepted (freerdp_listener listener, freerdp_peer client)

BOOL	pf_server_start (proxyServer *server)
	pf_server_start Starts the proxy, binding the configured port. More...

BOOL	pf_server_start_from_socket (proxyServer *server, int socket)
	pf_server_start_from_socket Starts the proxy using an existing bound socket More...

BOOL	pf_server_start_with_peer_socket (proxyServer *server, int peer_fd)
	pf_server_start_with_peer_socket Use existing peer socket More...

static BOOL	are_all_required_modules_loaded (proxyModule module, const proxyConfig config)

static void	peer_free (void *obj)

proxyServer *	pf_server_new (const proxyConfig *config)
	pf_server_new Creates a new proxy server instance More...

BOOL	pf_server_run (proxyServer *server)
	pf_server_run This (blocking) function runs the main loop of the proxy. More...

void	pf_server_stop (proxyServer *server)
	pf_server_stop Stops a server instance asynchronously. Can be called from any thread to stop a running server instance. More...

void	pf_server_free (proxyServer *server)
	pf_server_free Cleans up a (stopped) proxy server instance. More...

BOOL	pf_server_add_module (proxyServer server, proxyModuleEntryPoint ep, void userdata)
	pf_server_add_module Allows registering proxy modules that are build-in instead of shipped as separate module loaded at runtime. More...

Macro Definition Documentation

◆ ROUTING_TOKEN_PREFIX

#define ROUTING_TOKEN_PREFIX "Cookie: msts="

◆ TAG

#define TAG PROXY_TAG("server")

FreeRDP: A Remote Desktop Protocol Implementation FreeRDP Proxy Server

Copyright 2019 Mati Shabtay matis.nosp@m.habt.nosp@m.ay@gm.nosp@m.ail..nosp@m.com Copyright 2019 Kobi Mizrachi kmizr.nosp@m.achi.nosp@m.18@gm.nosp@m.ail..nosp@m.com Copyright 2019 Idan Freiberg speid.nosp@m.y@gm.nosp@m.ail.c.nosp@m.om Copyright 2021 Armin Novak anova.nosp@m.k@th.nosp@m.incas.nosp@m.t.co.nosp@m.m Copyright 2021 Thincast Technologies GmbH

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.

◆ TARGET_MAX

#define TARGET_MAX (100)

Function Documentation

◆ are_all_required_modules_loaded()

static BOOL are_all_required_modules_loaded	(	proxyModule *	module,
		const proxyConfig *	config
	)

static

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◆ peer_free()

static void peer_free ( void * obj )

static

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◆ pf_server_activate()

static BOOL pf_server_activate ( freerdp_peer * peer )

static

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◆ pf_server_add_module()

BOOL pf_server_add_module	(	proxyServer *	server,
		proxyModuleEntryPoint	ep,
		void *	userdata
	)

pf_server_add_module Allows registering proxy modules that are build-in instead of shipped as separate module loaded at runtime.

Parameters

server	A proxy instance to add the module to. Must NOT be NULL
ep	The proxy entry function to add. Must NOT be NULL
userdata	Custom data for the module. May be NULL

Returns: TRUE for success, FALSE otherwise.

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◆ pf_server_adjust_monitor_layout()

static BOOL pf_server_adjust_monitor_layout ( freerdp_peer * peer )

static

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◆ pf_server_free()

void pf_server_free ( proxyServer * server )

pf_server_free Cleans up a (stopped) proxy server instance.

Parameters

server The proxy server to clean up. Might be NULL.

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◆ pf_server_get_target_info()

static BOOL pf_server_get_target_info	(	rdpContext *	context,
		rdpSettings *	settings,
		const proxyConfig *	config
	)

static

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◆ pf_server_handle_peer()

static DWORD WINAPI pf_server_handle_peer ( LPVOID arg )

static

Handles an incoming client connection, to be run in it's own thread.

arg is a pointer to a freerdp_peer representing the client.

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◆ pf_server_initialize_peer_connection()

static BOOL pf_server_initialize_peer_connection ( freerdp_peer * peer )

static

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◆ pf_server_logon()

static BOOL pf_server_logon	(	freerdp_peer *	peer,
		const SEC_WINNT_AUTH_IDENTITY *	identity,
		BOOL	automatic
	)

static

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◆ pf_server_new()

proxyServer* pf_server_new ( const proxyConfig * config )

pf_server_new Creates a new proxy server instance

Parameters

config The proxy server configuration to use. Must NOT be NULL.

Returns: A new proxy server instance or NULL on failure.

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◆ pf_server_parse_target_from_routing_token()

static BOOL pf_server_parse_target_from_routing_token	(	rdpContext *	context,
		rdpSettings *	settings,
		FreeRDP_Settings_Keys_String	targetID,
		FreeRDP_Settings_Keys_UInt32	portID
	)

static

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◆ pf_server_peer_accepted()

static BOOL pf_server_peer_accepted	(	freerdp_listener *	listener,
		freerdp_peer *	client
	)

static

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◆ pf_server_post_connect()

static BOOL pf_server_post_connect ( freerdp_peer * peer )

static

This callback is called when the entire connection sequence is done (as described in MS-RDPBCGR section 1.3)

The server may start sending graphics output and receiving keyboard/mouse input after this callback returns.

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◆ pf_server_receive_channel_data_hook()

static BOOL pf_server_receive_channel_data_hook	(	freerdp_peer *	peer,
		UINT16	channelId,
		const BYTE *	data,
		size_t	size,
		UINT32	flags,
		size_t	totalSize
	)

static

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◆ pf_server_run()

BOOL pf_server_run ( proxyServer * server )

pf_server_run This (blocking) function runs the main loop of the proxy.

Parameters

server The server instance. Must NOT be NULL.

Returns: TRUE for successful termination, FALSE otherwise.

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◆ pf_server_setup_channels()

static BOOL pf_server_setup_channels ( freerdp_peer * peer )

static

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◆ pf_server_start()

BOOL pf_server_start ( proxyServer * server )

pf_server_start Starts the proxy, binding the configured port.

Parameters

server The server instance. Must NOT be NULL.

Returns: TRUE for success, FALSE on error

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◆ pf_server_start_from_socket()

BOOL pf_server_start_from_socket	(	proxyServer *	server,
		int	socket
	)

pf_server_start_from_socket Starts the proxy using an existing bound socket

Parameters

server	The server instance. Must NOT be NULL.
socket	The bound socket to wait for events on.

Returns: TRUE for success, FALSE on error

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◆ pf_server_start_peer()

static BOOL pf_server_start_peer ( freerdp_peer * client )

static

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◆ pf_server_start_with_peer_socket()

BOOL pf_server_start_with_peer_socket	(	proxyServer *	server,
		int	socket
	)

pf_server_start_with_peer_socket Use existing peer socket

Parameters

server	The server instance. Must NOT be NULL.
socket	Ready to use peer socket

Returns: TRUE for success, FALSE on error

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◆ pf_server_stop()

void pf_server_stop ( proxyServer * server )

pf_server_stop Stops a server instance asynchronously. Can be called from any thread to stop a running server instance.

Parameters

server A pointer to the server instance to stop. May be NULL.

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Macros

Functions

Macro Definition Documentation

◆ ROUTING_TOKEN_PREFIX

◆ TAG

◆ TARGET_MAX

Function Documentation

◆ are_all_required_modules_loaded()

◆ peer_free()

◆ pf_server_activate()

◆ pf_server_add_module()

◆ pf_server_adjust_monitor_layout()

◆ pf_server_free()

◆ pf_server_get_target_info()

◆ pf_server_handle_peer()

◆ pf_server_initialize_peer_connection()

◆ pf_server_logon()

◆ pf_server_new()

◆ pf_server_parse_target_from_routing_token()

◆ pf_server_peer_accepted()

◆ pf_server_post_connect()

◆ pf_server_receive_channel_data_hook()

◆ pf_server_run()

◆ pf_server_setup_channels()

◆ pf_server_start()

◆ pf_server_start_from_socket()

◆ pf_server_start_peer()

◆ pf_server_start_with_peer_socket()

◆ pf_server_stop()