1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
|
/*
* Copyright (c) 1982, 1986, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)tcp.h 8.1 (Berkeley) 6/10/93
*/
/*
* TCP header.
* Per RFC 793, September, 1981.
*/
struct tcphdr {
nd_uint16_t th_sport; /* source port */
nd_uint16_t th_dport; /* destination port */
nd_uint32_t th_seq; /* sequence number */
nd_uint32_t th_ack; /* acknowledgement number */
nd_uint8_t th_offx2; /* data offset, rsvd */
nd_uint8_t th_flags;
nd_uint16_t th_win; /* window */
nd_uint16_t th_sum; /* checksum */
nd_uint16_t th_urp; /* urgent pointer */
};
#define TH_OFF(th) ((GET_U_1((th)->th_offx2) & 0xf0) >> 4)
/* TCP flags */
#define TH_FIN 0x01
#define TH_SYN 0x02
#define TH_RST 0x04
#define TH_PUSH 0x08
#define TH_ACK 0x10
#define TH_URG 0x20
#define TH_ECNECHO 0x40 /* ECN Echo */
#define TH_CWR 0x80 /* ECN Cwnd Reduced */
#define TCPOPT_EOL 0
#define TCPOPT_NOP 1
#define TCPOPT_MAXSEG 2
#define TCPOLEN_MAXSEG 4
#define TCPOPT_WSCALE 3 /* window scale factor (rfc1323) */
#define TCPOPT_SACKOK 4 /* selective ack ok (rfc2018) */
#define TCPOPT_SACK 5 /* selective ack (rfc2018) */
#define TCPOPT_ECHO 6 /* echo (rfc1072) */
#define TCPOPT_ECHOREPLY 7 /* echo (rfc1072) */
#define TCPOPT_TIMESTAMP 8 /* timestamp (rfc1323) */
#define TCPOLEN_TIMESTAMP 10
#define TCPOLEN_TSTAMP_APPA (TCPOLEN_TIMESTAMP+2) /* appendix A */
#define TCPOPT_CC 11 /* T/TCP CC options (rfc1644) */
#define TCPOPT_CCNEW 12 /* T/TCP CC options (rfc1644) */
#define TCPOPT_CCECHO 13 /* T/TCP CC options (rfc1644) */
#define TCPOPT_SIGNATURE 19 /* Keyed MD5 (rfc2385) */
#define TCPOLEN_SIGNATURE 18
#define TCP_SIGLEN 16 /* length of an option 19 digest */
#define TCPOPT_SCPS 20 /* SCPS-TP (CCSDS 714.0-B-2) */
#define TCPOPT_UTO 28 /* tcp user timeout (rfc5482) */
#define TCPOLEN_UTO 4
#define TCPOPT_TCPAO 29 /* TCP authentication option (rfc5925) */
#define TCPOPT_MPTCP 30 /* MPTCP options */
#define TCPOPT_FASTOPEN 34 /* TCP Fast Open (rfc7413) */
#define TCPOPT_EXPERIMENT2 254 /* experimental headers (rfc4727) */
#define TCPOPT_TSTAMP_HDR \
(TCPOPT_NOP<<24|TCPOPT_NOP<<16|TCPOPT_TIMESTAMP<<8|TCPOLEN_TIMESTAMP)
#ifndef FTP_PORT
#define FTP_PORT 21
#endif
#ifndef SSH_PORT
#define SSH_PORT 22
#endif
#ifndef TELNET_PORT
#define TELNET_PORT 23
#endif
#ifndef SMTP_PORT
#define SMTP_PORT 25
#endif
#ifndef WHOIS_PORT
#define WHOIS_PORT 43
#endif
#ifndef NAMESERVER_PORT
#define NAMESERVER_PORT 53
#endif
#ifndef HTTP_PORT
#define HTTP_PORT 80
#endif
#ifndef NETBIOS_SSN_PORT
#define NETBIOS_SSN_PORT 139 /* RFC 1001, RFC 1002 */
#endif
#ifndef BGP_PORT
#define BGP_PORT 179
#endif
#ifndef RPKI_RTR_PORT
#define RPKI_RTR_PORT 323
#endif
#ifndef SMB_PORT
#define SMB_PORT 445
#endif
#ifndef RTSP_PORT
#define RTSP_PORT 554
#endif
#ifndef MSDP_PORT
#define MSDP_PORT 639
#endif
#ifndef LDP_PORT
#define LDP_PORT 646
#endif
#ifndef PPTP_PORT
#define PPTP_PORT 1723
#endif
#ifndef NFS_PORT
#define NFS_PORT 2049
#endif
#ifndef OPENFLOW_PORT_OLD
#define OPENFLOW_PORT_OLD 6633
#endif
#ifndef OPENFLOW_PORT_IANA
#define OPENFLOW_PORT_IANA 6653
#endif
#ifndef HTTP_PORT_ALT
#define HTTP_PORT_ALT 8080
#endif
#ifndef RTSP_PORT_ALT
#define RTSP_PORT_ALT 8554
#endif
#ifndef BEEP_PORT
#define BEEP_PORT 10288
#endif
#ifndef REDIS_PORT
#define REDIS_PORT 6379
#endif
|
