FreeRDP/libfreerdp/core/gateway/rdg.h

157 lines
4.6 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Implementation
* Remote Desktop Gateway (RDG)
*
* Copyright 2015 Denis Vincent <dvincent@devolutions.net>
*
* 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_LIB_CORE_GATEWAY_RDG_H
#define FREERDP_LIB_CORE_GATEWAY_RDG_H
#include <winpr/wtypes.h>
#include <winpr/stream.h>
#include <winpr/collections.h>
#include <winpr/interlocked.h>
#include <freerdp/log.h>
#include <freerdp/utils/ringbuffer.h>
#include <freerdp/api.h>
#include <freerdp/freerdp.h>
#include <freerdp/crypto/tls.h>
#include <freerdp/types.h>
#include <freerdp/settings.h>
typedef struct rdp_rdg rdpRdg;
#include "http.h"
#include "ntlm.h"
#include "../transport.h"
/* HTTP channel response fields present flags. */
#define HTTP_CHANNEL_RESPONSE_FIELD_CHANNELID 0x1
#define HTTP_CHANNEL_RESPONSE_OPTIONAL 0x2
#define HTTP_CHANNEL_RESPONSE_FIELD_UDPPORT 0x4
/* HTTP extended auth. */
#define HTTP_EXTENDED_AUTH_NONE 0x0
#define HTTP_EXTENDED_AUTH_SC 0x1 /* Smart card authentication. */
#define HTTP_EXTENDED_AUTH_PAA 0x02 /* Pluggable authentication. */
/* HTTP packet types. */
#define PKT_TYPE_HANDSHAKE_REQUEST 0x1
#define PKT_TYPE_HANDSHAKE_RESPONSE 0x2
#define PKT_TYPE_EXTENDED_AUTH_MSG 0x3
#define PKT_TYPE_TUNNEL_CREATE 0x4
#define PKT_TYPE_TUNNEL_RESPONSE 0x5
#define PKT_TYPE_TUNNEL_AUTH 0x6
#define PKT_TYPE_TUNNEL_AUTH_RESPONSE 0x7
#define PKT_TYPE_CHANNEL_CREATE 0x8
#define PKT_TYPE_CHANNEL_RESPONSE 0x9
#define PKT_TYPE_DATA 0xA
#define PKT_TYPE_SERVICE_MESSAGE 0xB
#define PKT_TYPE_REAUTH_MESSAGE 0xC
#define PKT_TYPE_KEEPALIVE 0xD
#define PKT_TYPE_CLOSE_CHANNEL 0x10
#define PKT_TYPE_CLOSE_CHANNEL_RESPONSE 0x11
/* HTTP tunnel auth fields present flags. */
#define HTTP_TUNNEL_AUTH_FIELD_SOH 0x1
/* HTTP tunnel auth response fields present flags. */
#define HTTP_TUNNEL_AUTH_RESPONSE_FIELD_REDIR_FLAGS 0x1
#define HTTP_TUNNEL_AUTH_RESPONSE_FIELD_IDLE_TIMEOUT 0x2
#define HTTP_TUNNEL_AUTH_RESPONSE_FIELD_SOH_RESPONSE 0x4
/* HTTP tunnel packet fields present flags. */
#define HTTP_TUNNEL_PACKET_FIELD_PAA_COOKIE 0x1
#define HTTP_TUNNEL_PACKET_FIELD_REAUTH 0x2
/* HTTP tunnel redir flags. */
#define HTTP_TUNNEL_REDIR_ENABLE_ALL 0x80000000
#define HTTP_TUNNEL_REDIR_DISABLE_ALL 0x40000000
#define HTTP_TUNNEL_REDIR_DISABLE_DRIVE 0x1
#define HTTP_TUNNEL_REDIR_DISABLE_PRINTER 0x2
#define HTTP_TUNNEL_REDIR_DISABLE_PORT 0x4
#define HTTP_TUNNEL_REDIR_DISABLE_CLIPBOARD 0x8
#define HTTP_TUNNEL_REDIR_DISABLE_PNP 0x10
/* HTTP tunnel response fields present flags. */
#define HTTP_TUNNEL_RESPONSE_FIELD_TUNNEL_ID 0x1
#define HTTP_TUNNEL_RESPONSE_FIELD_CAPS 0x2
#define HTTP_TUNNEL_RESPONSE_FIELD_SOH_REQ 0x4
#define HTTP_TUNNEL_RESPONSE_FIELD_CONSENT_MSG 0x10
/* HTTP capability type enumeration. */
#define HTTP_CAPABILITY_TYPE_QUAR_SOH 0x1
#define HTTP_CAPABILITY_IDLE_TIMEOUT 0x2
#define HTTP_CAPABILITY_MESSAGING_CONSENT_SIGN 0x4
#define HTTP_CAPABILITY_MESSAGING_SERVICE_MSG 0x8
#define HTTP_CAPABILITY_REAUTH 0x10
#define HTTP_CAPABILITY_UDP_TRANSPORT 0x20
enum
{
RDG_CLIENT_STATE_INITIAL,
RDG_CLIENT_STATE_OUT_CHANNEL_REQUEST,
RDG_CLIENT_STATE_OUT_CHANNEL_AUTHORIZE,
RDG_CLIENT_STATE_OUT_CHANNEL_AUTHORIZED,
RDG_CLIENT_STATE_IN_CHANNEL_REQUEST,
RDG_CLIENT_STATE_IN_CHANNEL_AUTHORIZE,
RDG_CLIENT_STATE_IN_CHANNEL_AUTHORIZED,
RDG_CLIENT_STATE_HANDSHAKE,
RDG_CLIENT_STATE_TUNNEL_CREATE,
RDG_CLIENT_STATE_TUNNEL_AUTHORIZE,
RDG_CLIENT_STATE_CHANNEL_CREATE,
RDG_CLIENT_STATE_OPENED,
RDG_CLIENT_STATE_CLOSE,
RDG_CLIENT_STATE_CLOSED,
RDG_CLIENT_STATE_NOT_FOUND,
};
struct rdp_rdg
{
rdpContext* context;
rdpSettings* settings;
BIO* frontBio;
rdpTls* tlsIn;
rdpTls* tlsOut;
rdpNtlm* ntlm;
HttpContext* http;
HANDLE readEvent;
CRITICAL_SECTION writeSection;
UUID guid;
int state;
UINT16 packetRemainingCount;
int timeout;
};
FREERDP_LOCAL rdpRdg* rdg_new(rdpTransport* transport);
FREERDP_LOCAL void rdg_free(rdpRdg* rdg);
FREERDP_LOCAL BOOL rdg_connect(rdpRdg* rdg, const char* hostname, UINT16 port,
int timeout);
FREERDP_LOCAL DWORD rdg_get_event_handles(rdpRdg* rdg, HANDLE* events,
DWORD count);
FREERDP_LOCAL BOOL rdg_check_event_handles(rdpRdg* rdg);
#endif /* FREERDP_LIB_CORE_GATEWAY_RDG_H */