X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/7b50febe28e54e076a9917164eeddec4bc7a170e..f5c79aedbe9c52dad10a196d805718f55a2be17a:/print-tcp.c

diff --git a/print-tcp.c b/print-tcp.c
index 3b0202fc..852300ce 100644
--- a/print-tcp.c
+++ b/print-tcp.c
@@ -21,7 +21,7 @@
 
 #ifndef lint
 static const char rcsid[] =
-    "@(#) $Header: /tcpdump/master/tcpdump/print-tcp.c,v 1.73 2000-09-23 08:26:38 guy Exp $ (LBL)";
+    "@(#) $Header: /tcpdump/master/tcpdump/print-tcp.c,v 1.80 2000-11-17 19:08:16 itojun Exp $ (LBL)";
 #endif
 
 #ifdef HAVE_CONFIG_H
@@ -34,9 +34,6 @@ static const char rcsid[] =
 #include <rpc/rpc.h>
 
 #include <netinet/in.h>
-#include <netinet/in_systm.h>
-#include <netinet/ip.h>
-#include <netinet/ip_var.h>
 
 #include <stdio.h>
 #include <stdlib.h>
@@ -44,16 +41,17 @@ static const char rcsid[] =
 #include <ctype.h>
 #include <unistd.h>
 
-#ifdef INET6
-#include <netinet/ip6.h>
-#endif
-
 #include "interface.h"
 #include "addrtoname.h"
 #include "extract.h"
 
 #include "tcp.h"
 
+#include "ip.h"
+#ifdef INET6
+#include "ip6.h"
+#endif
+
 static void print_tcp_rst_data(register const u_char *sp, u_int length);
 
 #define MAX_RST_DATA_LEN	30
@@ -131,6 +129,7 @@ static struct tcp_seq_hash tcp_seq_hash[TSEQ_HASHSIZE];
 #define BGP_PORT	179
 #endif
 #define NETBIOS_SSN_PORT 139
+#define BXXP_PORT        10288
 #ifndef NFS_PORT
 #define NFS_PORT	2049
 #endif
@@ -230,7 +229,7 @@ static int tcp6_cksum(const struct ip6_hdr *ip6, const struct tcphdr *tp,
 
 void
 tcp_print(register const u_char *bp, register u_int length,
-	  register const u_char *bp2)
+	  register const u_char *bp2, int fragmented)
 {
 	register const struct tcphdr *tp;
 	register const struct ip *ip;
@@ -247,7 +246,7 @@ tcp_print(register const u_char *bp, register u_int length,
 	tp = (struct tcphdr *)bp;
 	ip = (struct ip *)bp2;
 #ifdef INET6
-	if (ip->ip_v == 6)
+	if (IP_V(ip) == 6)
 		ip6 = (struct ip6_hdr *)bp2;
 	else
 		ip6 = NULL;
@@ -264,7 +263,7 @@ tcp_print(register const u_char *bp, register u_int length,
 	dport = ntohs(tp->th_dport);
 
 
-	hlen = tp->th_off * 4;
+	hlen = TH_OFF(tp) * 4;
 
 	/*
 	 * If data present and NFS port used, assume NFS.
@@ -320,7 +319,7 @@ tcp_print(register const u_char *bp, register u_int length,
 	urp = ntohs(tp->th_urp);
 
 	if (qflag) {
-		(void)printf("tcp %d", length - tp->th_off * 4);
+		(void)printf("tcp %d", length - TH_OFF(tp) * 4);
 		return;
 	}
 	if ((flags = tp->th_flags) & (TH_SYN|TH_FIN|TH_RST|TH_PUSH|
@@ -445,7 +444,7 @@ tcp_print(register const u_char *bp, register u_int length,
 		return;
 	}
 
-	if (ip->ip_v == 4 && vflag) {
+	if (IP_V(ip) == 4 && vflag && !fragmented) {
 		int sum;
 		if (TTEST2(tp->th_sport, length)) {
 			sum = tcp_cksum(ip, tp, length);
@@ -456,7 +455,7 @@ tcp_print(register const u_char *bp, register u_int length,
 		}
 	}
 #ifdef INET6
-	if (ip->ip_v == 6 && ip6->ip6_plen && vflag) {
+	if (IP_V(ip) == 6 && ip6->ip6_plen && vflag && !fragmented) {
 		int sum;
 		if (TTEST2(tp->th_sport, length)) {
 			sum = tcp6_cksum(ip6, tp, length);
@@ -640,7 +639,7 @@ tcp_print(register const u_char *bp, register u_int length,
 	/*
 	 * Decode payload if necessary.
 	 */
-	bp += (tp->th_off * 4);
+	bp += TH_OFF(tp) * 4;
 	if (flags & TH_RST) {
 		if (vflag)
 			print_tcp_rst_data(bp, length);
@@ -652,6 +651,8 @@ tcp_print(register const u_char *bp, register u_int length,
 			bgp_print(bp, length);
 		else if (sport == NETBIOS_SSN_PORT || dport == NETBIOS_SSN_PORT)
 			nbt_tcp_print(bp, length);
+		else if (sport == BXXP_PORT || dport == BXXP_PORT)
+			bxxp_print(bp, length);
 	}
 	return;
 bad: