FreeRDP/libfreerdp/core/gateway/rts.h
Armin Novak adc6b60bcf [core,gateway] silence rts_read_common_pdu_header
rts_read_common_pdu_header is used to determine if the packet was read
successfully. In that case it might fail but there should be no logging
done to not spam it with unnecessary warnings.
2023-04-11 11:31:57 +02:00

108 lines
3.8 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Implementation
* Request To Send (RTS) PDUs
*
* Copyright 2012 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.
*/
#ifndef FREERDP_LIB_CORE_GATEWAY_RTS_H
#define FREERDP_LIB_CORE_GATEWAY_RTS_H
#include <freerdp/config.h>
#include <winpr/stream.h>
#include <freerdp/api.h>
#include <freerdp/types.h>
#include <freerdp/log.h>
#include "rpc.h"
#define RTS_FLAG_NONE 0x0000
#define RTS_FLAG_PING 0x0001
#define RTS_FLAG_OTHER_CMD 0x0002
#define RTS_FLAG_RECYCLE_CHANNEL 0x0004
#define RTS_FLAG_IN_CHANNEL 0x0008
#define RTS_FLAG_OUT_CHANNEL 0x0010
#define RTS_FLAG_EOF 0x0020
#define RTS_FLAG_ECHO 0x0040
#define RTS_CMD_RECEIVE_WINDOW_SIZE 0x00000000
#define RTS_CMD_FLOW_CONTROL_ACK 0x00000001
#define RTS_CMD_CONNECTION_TIMEOUT 0x00000002
#define RTS_CMD_COOKIE 0x00000003
#define RTS_CMD_CHANNEL_LIFETIME 0x00000004
#define RTS_CMD_CLIENT_KEEPALIVE 0x00000005
#define RTS_CMD_VERSION 0x00000006
#define RTS_CMD_EMPTY 0x00000007
#define RTS_CMD_PADDING 0x00000008
#define RTS_CMD_NEGATIVE_ANCE 0x00000009
#define RTS_CMD_ANCE 0x0000000A
#define RTS_CMD_CLIENT_ADDRESS 0x0000000B
#define RTS_CMD_ASSOCIATION_GROUP_ID 0x0000000C
#define RTS_CMD_DESTINATION 0x0000000D
#define RTS_CMD_PING_TRAFFIC_SENT_NOTIFY 0x0000000E
#define RTS_CMD_LAST_ID 0x0000000F
#define RTS_CMD_RECEIVE_WINDOW_SIZE_LENGTH 0x00000004
#define RTS_CMD_FLOW_CONTROL_ACK_LENGTH 0x00000018
#define RTS_CMD_CONNECTION_TIMEOUT_LENGTH 0x00000004
#define RTS_CMD_COOKIE_LENGTH 0x00000010
#define RTS_CMD_CHANNEL_LIFETIME_LENGTH 0x00000004
#define RTS_CMD_CLIENT_KEEPALIVE_LENGTH 0x00000004
#define RTS_CMD_VERSION_LENGTH 0x00000004
#define RTS_CMD_EMPTY_LENGTH 0x00000000
#define RTS_CMD_PADDING_LENGTH 0x00000000 /* variable-size */
#define RTS_CMD_NEGATIVE_ANCE_LENGTH 0x00000000
#define RTS_CMD_ANCE_LENGTH 0x00000000
#define RTS_CMD_CLIENT_ADDRESS_LENGTH 0x00000000 /* variable-size */
#define RTS_CMD_ASSOCIATION_GROUP_ID_LENGTH 0x00000010
#define RTS_CMD_DESTINATION_LENGTH 0x00000004
#define RTS_CMD_PING_TRAFFIC_SENT_NOTIFY_LENGTH 0x00000004
#define FDClient 0x00000000
#define FDInProxy 0x00000001
#define FDServer 0x00000002
#define FDOutProxy 0x00000003
FREERDP_LOCAL void rts_generate_cookie(BYTE* cookie);
FREERDP_LOCAL BOOL rts_write_pdu_auth3(wStream* s, const rpcconn_rpc_auth_3_hdr_t* auth);
FREERDP_LOCAL BOOL rts_write_pdu_bind(wStream* s, const rpcconn_bind_hdr_t* bind);
FREERDP_LOCAL BOOL rts_read_pdu_header(wStream* s, rpcconn_hdr_t* header);
FREERDP_LOCAL void rts_free_pdu_header(rpcconn_hdr_t* header, BOOL allocated);
FREERDP_LOCAL BOOL rts_read_common_pdu_header(wStream* s, rpcconn_common_hdr_t* header,
BOOL ignoreErrors);
FREERDP_LOCAL BOOL rts_command_length(UINT32 CommandType, wStream* s, size_t* length);
FREERDP_LOCAL BOOL rts_send_CONN_A1_pdu(rdpRpc* rpc);
FREERDP_LOCAL BOOL rts_recv_CONN_A3_pdu(rdpRpc* rpc, wStream* buffer);
FREERDP_LOCAL BOOL rts_send_CONN_B1_pdu(rdpRpc* rpc);
FREERDP_LOCAL BOOL rts_recv_CONN_C2_pdu(rdpRpc* rpc, wStream* buffer);
FREERDP_LOCAL BOOL rts_send_OUT_R1_A3_pdu(rdpRpc* rpc);
FREERDP_LOCAL BOOL rts_send_flow_control_ack_pdu(rdpRpc* rpc);
FREERDP_LOCAL BOOL rts_recv_out_of_sequence_pdu(rdpRpc* rpc, wStream* buffer,
const rpcconn_hdr_t* header);
#endif /* FREERDP_LIB_CORE_GATEWAY_RTS_H */