X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/cdaba7de64aab0672383804b7c80cc3678936b4f..b51a0dafc7861eb31d21524ec067d7c529a664b8:/tcp.h

diff --git a/tcp.h b/tcp.h
index 487c166a..a4c28b61 100644
--- a/tcp.h
+++ b/tcp.h
@@ -1,4 +1,3 @@
-/* @(#) $Header: /tcpdump/master/tcpdump/tcp.h,v 1.4 2000-10-03 02:26:53 itojun Exp $ (LBL) */
 /*
  * Copyright (c) 1982, 1986, 1993
  *	The Regents of the University of California.  All rights reserved.
@@ -34,65 +33,128 @@
  *	@(#)tcp.h	8.1 (Berkeley) 6/10/93
  */
 
-#ifndef BYTE_ORDER
-#define	LITTLE_ENDIAN	1234	/* least-significant byte first (vax, pc) */
-#define	BIG_ENDIAN	4321	/* most-significant byte first (IBM, net) */
-#define	PDP_ENDIAN	3412	/* LSB first in word, MSW first in long (pdp)*/
-
-#ifdef WORDS_BIGENDIAN
-#define BYTE_ORDER	BIG_ENDIAN
-#else
-#define BYTE_ORDER	LITTLE_ENDIAN
-#endif /* WORDS_BIGENDIAN */
-#endif /* BYTE_ORDER */
-
-#if !defined(BYTE_ORDER) || \
-    (BYTE_ORDER != BIG_ENDIAN && BYTE_ORDER != LITTLE_ENDIAN && \
-    BYTE_ORDER != PDP_ENDIAN)
-	/* you must determine what the correct bit order is for
-	 * your compiler - the next line is an intentional error
-	 * which will force your compiles to bomb until you fix
-	 * the above macros.
-	 */
-  #error "Undefined or invalid BYTE_ORDER";
-#endif
-
-typedef	u_int	tcp_seq;
 /*
  * TCP header.
  * Per RFC 793, September, 1981.
  */
 struct tcphdr {
-	u_short	th_sport;		/* source port */
-	u_short	th_dport;		/* destination port */
-	tcp_seq	th_seq;			/* sequence number */
-	tcp_seq	th_ack;			/* acknowledgement number */
-	u_char	th_x2off;
-#define TH_OFF(th)	((th)->th_x2off & 0x0f)	/* data offset, th_off */
-	u_char	th_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
-	u_short	th_win;			/* window */
-	u_short	th_sum;			/* checksum */
-	u_short	th_urp;			/* urgent pointer */
+	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 */
+extern const struct tok tcp_flag_values[];
+
+
 #define	TCPOPT_EOL		0
 #define	TCPOPT_NOP		1
 #define	TCPOPT_MAXSEG		2
 #define    TCPOLEN_MAXSEG		4
-#define TCPOPT_WINDOW		3
-#define    TCPOLEN_WINDOW		3
-#define TCPOPT_SACK_PERMITTED	4		/* Experimental */
-#define    TCPOLEN_SACK_PERMITTED	2
-#define TCPOPT_SACK		5		/* Experimental */
-#define TCPOPT_TIMESTAMP	8
+#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