55 lines
2.2 KiB
C
55 lines
2.2 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* X.224 Transport Protocol Data Units (TPDUs)
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*
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* Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef FREERDP_LIB_CORE_TPDU_H
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#define FREERDP_LIB_CORE_TPDU_H
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#include <winpr/stream.h>
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#include <freerdp/api.h>
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enum X224_TPDU_TYPE
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{
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X224_TPDU_CONNECTION_REQUEST = 0xE0,
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X224_TPDU_CONNECTION_CONFIRM = 0xD0,
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X224_TPDU_DISCONNECT_REQUEST = 0x80,
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X224_TPDU_DATA = 0xF0,
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X224_TPDU_ERROR = 0x70
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};
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#define TPDU_DATA_HEADER_LENGTH 3
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#define TPDU_CONNECTION_REQUEST_HEADER_LENGTH 7
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#define TPDU_CONNECTION_CONFIRM_HEADER_LENGTH 7
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#define TPDU_DISCONNECT_REQUEST_HEADER_LENGTH 7
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#define TPDU_DATA_LENGTH (TPKT_HEADER_LENGTH + TPDU_DATA_HEADER_LENGTH)
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#define TPDU_CONNECTION_REQUEST_LENGTH (TPKT_HEADER_LENGTH + TPDU_CONNECTION_REQUEST_HEADER_LENGTH)
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#define TPDU_CONNECTION_CONFIRM_LENGTH (TPKT_HEADER_LENGTH + TPDU_CONNECTION_CONFIRM_HEADER_LENGTH)
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#define TPDU_DISCONNECT_REQUEST_LENGTH (TPKT_HEADER_LENGTH + TPDU_DISCONNECT_REQUEST_HEADER_LENGTH)
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FREERDP_LOCAL BOOL tpdu_read_header(wStream* s, BYTE* code, BYTE* li, UINT16 tpktlength);
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FREERDP_LOCAL BOOL tpdu_read_connection_request(wStream* s, BYTE* li, UINT16 tpktlength);
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FREERDP_LOCAL void tpdu_write_connection_request(wStream* s, UINT16 length);
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FREERDP_LOCAL BOOL tpdu_read_connection_confirm(wStream* s, BYTE* li, UINT16 tpktlength);
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FREERDP_LOCAL void tpdu_write_connection_confirm(wStream* s, UINT16 length);
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FREERDP_LOCAL void tpdu_write_disconnect_request(wStream* s, UINT16 length);
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FREERDP_LOCAL BOOL tpdu_read_data(wStream* s, UINT16* li, UINT16 tpktlength);
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FREERDP_LOCAL void tpdu_write_data(wStream* s);
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#endif /* FREERDP_LIB_CORE_TPDU_H */
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