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tpdu.h
1
20#ifndef FREERDP_LIB_CORE_TPDU_H
21#define FREERDP_LIB_CORE_TPDU_H
22
23#include <winpr/stream.h>
24#include <freerdp/api.h>
25
26#include "tpkt.h"
27
28enum X224_TPDU_TYPE
29{
30 X224_TPDU_CONNECTION_REQUEST = 0xE0,
31 X224_TPDU_CONNECTION_CONFIRM = 0xD0,
32 X224_TPDU_DISCONNECT_REQUEST = 0x80,
33 X224_TPDU_DATA = 0xF0,
34 X224_TPDU_ERROR = 0x70
35};
36
37#define TPDU_DATA_HEADER_LENGTH 3
38#define TPDU_CONNECTION_REQUEST_HEADER_LENGTH 7
39#define TPDU_CONNECTION_CONFIRM_HEADER_LENGTH 7
40#define TPDU_DISCONNECT_REQUEST_HEADER_LENGTH 7
41
42#define TPDU_DATA_LENGTH (TPKT_HEADER_LENGTH + TPDU_DATA_HEADER_LENGTH)
43#define TPDU_CONNECTION_REQUEST_LENGTH (TPKT_HEADER_LENGTH + TPDU_CONNECTION_REQUEST_HEADER_LENGTH)
44#define TPDU_CONNECTION_CONFIRM_LENGTH (TPKT_HEADER_LENGTH + TPDU_CONNECTION_CONFIRM_HEADER_LENGTH)
45#define TPDU_DISCONNECT_REQUEST_LENGTH (TPKT_HEADER_LENGTH + TPDU_DISCONNECT_REQUEST_HEADER_LENGTH)
46
47WINPR_ATTR_NODISCARD
48FREERDP_LOCAL const char* tpdu_type_to_string(int type);
49
50WINPR_ATTR_NODISCARD
51FREERDP_LOCAL BOOL tpdu_read_header(wStream* s, BYTE* code, BYTE* li, UINT16 tpktlength);
52
53WINPR_ATTR_NODISCARD
54FREERDP_LOCAL BOOL tpdu_read_connection_request(wStream* s, BYTE* li, UINT16 tpktlength);
55
56WINPR_ATTR_NODISCARD
57FREERDP_LOCAL BOOL tpdu_write_connection_request(wStream* s, UINT16 length);
58
59WINPR_ATTR_NODISCARD
60FREERDP_LOCAL BOOL tpdu_read_connection_confirm(wStream* s, BYTE* li, UINT16 tpktlength);
61
62WINPR_ATTR_NODISCARD
63FREERDP_LOCAL BOOL tpdu_write_connection_confirm(wStream* s, UINT16 length);
64
65WINPR_ATTR_NODISCARD
66FREERDP_LOCAL BOOL tpdu_write_disconnect_request(wStream* s, UINT16 length);
67
68WINPR_ATTR_NODISCARD
69FREERDP_LOCAL BOOL tpdu_read_data(wStream* s, UINT16* li, UINT16 tpktlength);
70
71WINPR_ATTR_NODISCARD
72FREERDP_LOCAL BOOL tpdu_write_data(wStream* s);
73
74#endif /* FREERDP_LIB_CORE_TPDU_H */