2 * FreeRDP: A Remote Desktop Protocol Client
3 * X.224 Transport Protocol Data Units (TPDUs)
5 * Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
23 #include <freerdp/utils/stream.h>
27 X224_TPDU_CONNECTION_REQUEST = 0xE0,
28 X224_TPDU_CONNECTION_CONFIRM = 0xD0,
29 X224_TPDU_DISCONNECT_REQUEST = 0x80,
30 X224_TPDU_DATA = 0xF0,
31 X224_TPDU_ERROR = 0x70
34 #define TPDU_DATA_HEADER_LENGTH 3
35 #define TPDU_CONNECTION_REQUEST_HEADER_LENGTH 7
36 #define TPDU_CONNECTION_CONFIRM_HEADER_LENGTH 7
37 #define TPDU_DISCONNECT_REQUEST_HEADER_LENGTH 7
39 #define TPDU_DATA_LENGTH (TPKT_HEADER_LENGTH + TPDU_DATA_HEADER_LENGTH)
40 #define TPDU_CONNECTION_REQUEST_LENGTH (TPKT_HEADER_LENGTH + TPDU_CONNECTION_REQUEST_HEADER_LENGTH)
41 #define TPDU_CONNECTION_CONFIRM_LENGTH (TPKT_HEADER_LENGTH + TPDU_CONNECTION_CONFIRM_HEADER_LENGTH)
42 #define TPDU_DISCONNECT_REQUEST_LENGTH (TPKT_HEADER_LENGTH + TPDU_DISCONNECT_REQUEST_HEADER_LENGTH)
44 uint8 tpdu_read_header(STREAM* s, uint8* code);
45 void tpdu_write_header(STREAM* s, uint16 length, uint8 code);
46 uint8 tpdu_read_connection_request(STREAM* s);
47 void tpdu_write_connection_request(STREAM* s, uint16 length);
48 uint8 tpdu_read_connection_confirm(STREAM* s);
49 void tpdu_write_connection_confirm(STREAM* s, uint16 length);
50 void tpdu_write_disconnect_request(STREAM* s, uint16 length);
51 uint16 tpdu_read_data(STREAM* s);
52 void tpdu_write_data(STREAM* s);