X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/10afb02ac804db7fa41a776fd61eff922c09c4df..refs/heads/coverity_scan:/tcp.h

diff --git a/tcp.h b/tcp.h
index 667948d9..6be42737 100644
--- a/tcp.h
+++ b/tcp.h
@@ -1,4 +1,3 @@
-/* @(#) $Header: /tcpdump/master/tcpdump/tcp.h,v 1.9 2002-11-09 17:19:32 itojun Exp $ (LBL) */
 /*
  * Copyright (c) 1982, 1986, 1993
  *	The Regents of the University of California.  All rights reserved.
@@ -34,31 +33,38 @@
  *	@(#)tcp.h	8.1 (Berkeley) 6/10/93
  */
 
-typedef	u_int32_t	tcp_seq;
 /*
  * TCP header.
  * Per RFC 793, September, 1981.
  */
 struct tcphdr {
-	u_int16_t	th_sport;		/* source port */
-	u_int16_t	th_dport;		/* destination port */
-	tcp_seq		th_seq;			/* sequence number */
-	tcp_seq		th_ack;			/* acknowledgement number */
-	u_int8_t	th_offx2;		/* data offset, rsvd */
-#define TH_OFF(th)	(((th)->th_offx2 & 0xf0) >> 4)
-	u_int8_t	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
-#define TH_ECNECHO	0x40	/* ECN Echo */
-#define TH_CWR		0x80	/* ECN Cwnd Reduced */
-	u_int16_t	th_win;			/* window */
-	u_int16_t	th_sum;			/* checksum */
-	u_int16_t	th_urp;			/* urgent pointer */
-} __attribute__((packed));
+	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)
+#define tcp_get_flags(th)	((GET_U_1((th)->th_flags)) | \
+			((GET_U_1((th)->th_offx2) & 0x0f) << 8))
+
+/* 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	TH_AE	  0x100	/* AccECN (draft-ietf-tcpm-accurate-ecn;rfc7560) part of L4S (rfc9330) */
+extern const struct tok tcp_flag_values[];
+
 
 #define	TCPOPT_EOL		0
 #define	TCPOPT_NOP		1
@@ -75,6 +81,83 @@ struct tcphdr {
 #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 REDIS_PORT
+#define REDIS_PORT		6379
+#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