From: dlg <dlg@openbsd.org>
Date: Sat, 10 Feb 2018 10:00:32 +0000 (+0000)
Subject: print etherip on ipv6.
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=c97d4a2508513d985b1468ab391208f48381fa54;p=openbsd

print etherip on ipv6.
---

diff --git a/usr.sbin/tcpdump/interface.h b/usr.sbin/tcpdump/interface.h
index d5a718a847d..ae1801b6f16 100644
--- a/usr.sbin/tcpdump/interface.h
+++ b/usr.sbin/tcpdump/interface.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: interface.h,v 1.71 2018/02/06 03:07:51 dlg Exp $	*/
+/*	$OpenBSD: interface.h,v 1.72 2018/02/10 10:00:32 dlg Exp $	*/
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
@@ -20,7 +20,7 @@
  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  *
- * @(#) $Id: interface.h,v 1.71 2018/02/06 03:07:51 dlg Exp $ (LBL)
+ * @(#) $Id: interface.h,v 1.72 2018/02/10 10:00:32 dlg Exp $ (LBL)
  */
 
 #ifndef tcpdump_interface_h
@@ -271,7 +271,7 @@ extern void stp_print(const u_char *, u_int);
 extern void radius_print(const u_char *, u_int);
 extern void lwres_print(const u_char *, u_int);
 extern void ether_print(const u_char *, u_int);
-extern void etherip_print(const u_char *, u_int, u_int, const u_char *);
+extern void etherip_print(const u_char *, u_int, u_int);
 extern void ipcomp_print(const u_char *, u_int, const u_char *);
 extern void mpls_print(const u_char *, u_int);
 extern void lldp_print(const u_char *, u_int);
diff --git a/usr.sbin/tcpdump/print-etherip.c b/usr.sbin/tcpdump/print-etherip.c
index 6c690df8e15..65752526b9f 100644
--- a/usr.sbin/tcpdump/print-etherip.c
+++ b/usr.sbin/tcpdump/print-etherip.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: print-etherip.c,v 1.9 2017/03/08 10:05:30 jca Exp $	*/
+/*	$OpenBSD: print-etherip.c,v 1.10 2018/02/10 10:00:32 dlg Exp $	*/
 
 /*
  * Copyright (c) 2001 Jason L. Wright (jason@thought.net)
@@ -56,22 +56,20 @@
 extern u_short extracted_ethertype;
 
 void
-etherip_print(const u_char *bp, u_int caplen, u_int len, const u_char *bp2)
+etherip_print(const u_char *bp, u_int caplen, u_int len)
 {
-	const struct ip *ip = (const struct ip *)bp2;
 	struct ether_header *eh;
 	const u_char *pbuf = bp;
 	u_int plen = caplen, hlen;
 	u_int16_t etype;
 
+	printf("etherip ");
+
 	if (plen < sizeof(struct etherip_header)) {
 		printf("[|etherip]");
 		return;
 	}
 
-	printf("etherip %s > %s ver ", ipaddr_string(&ip->ip_src),
-	    ipaddr_string(&ip->ip_dst));
-
 	switch (*pbuf >> 4) {
 	case 2:
 		hlen = 1;
diff --git a/usr.sbin/tcpdump/print-ip.c b/usr.sbin/tcpdump/print-ip.c
index b433cbb7678..475b79ee906 100644
--- a/usr.sbin/tcpdump/print-ip.c
+++ b/usr.sbin/tcpdump/print-ip.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: print-ip.c,v 1.48 2018/02/06 03:07:51 dlg Exp $	*/
+/*	$OpenBSD: print-ip.c,v 1.49 2018/02/10 10:00:32 dlg Exp $	*/
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
@@ -537,8 +537,10 @@ ip_print(const u_char *bp, u_int length)
 #define IPPROTO_ETHERIP	97
 #endif
 		case IPPROTO_ETHERIP:
-			etherip_print(cp, snapend - cp, len,
-			    (const u_char *)ip);
+			(void)printf("%s > %s: ",
+			     ipaddr_string(&ip->ip_src),
+			     ipaddr_string(&ip->ip_dst));
+			etherip_print(cp, snapend - cp, len);
 			break;
 
 #ifndef	IPPROTO_IPCOMP
diff --git a/usr.sbin/tcpdump/print-ip6.c b/usr.sbin/tcpdump/print-ip6.c
index 42efd0d7a0b..86b5989de1f 100644
--- a/usr.sbin/tcpdump/print-ip6.c
+++ b/usr.sbin/tcpdump/print-ip6.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: print-ip6.c,v 1.25 2018/02/06 03:07:51 dlg Exp $	*/
+/*	$OpenBSD: print-ip6.c,v 1.26 2018/02/10 10:00:32 dlg Exp $	*/
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994
@@ -196,6 +196,13 @@ ip6_print(const u_char *bp, u_int length)
 			(void)printf("no next header");
 			goto end;
 
+#ifndef IPPROTO_ETHERIP
+#define IPPROTO_ETHERIP 97
+#endif
+		case IPPROTO_ETHERIP:
+			etherip_print(cp, snapend - cp, len);
+			goto end;
+
 #ifndef IPPROTO_CARP  
 #define IPPROTO_CARP 112
 #endif