From: fenner <fenner>
Date: Mon, 22 Nov 1999 04:24:28 +0000 (+0000)
Subject: Fix truncation check (the current check will claim that a packet
X-Git-Tag: tcpdump-3.5.1~478
X-Git-Url: https://git.tcpdump.org/tcpdump/commitdiff_plain/a2392b0db27bde1c138248468eac013f03271219

Fix truncation check (the current check will claim that a packet
 truncated on the boundary of a route is not truncated).
---

diff --git a/print-rip.c b/print-rip.c
index 719e119f..e66146bc 100644
--- a/print-rip.c
+++ b/print-rip.c
@@ -21,7 +21,7 @@
 
 #ifndef lint
 static const char rcsid[] =
-    "@(#) $Header: /tcpdump/master/tcpdump/print-rip.c,v 1.39 1999-11-21 09:37:00 fenner Exp $ (LBL)";
+    "@(#) $Header: /tcpdump/master/tcpdump/print-rip.c,v 1.40 1999-11-22 04:24:28 fenner Exp $ (LBL)";
 #endif
 
 #ifdef HAVE_CONFIG_H
@@ -104,8 +104,10 @@ rip_print(const u_char *dat, u_int length)
 	register int i, j, trunc;
 
 	i = min(length, snapend - dat) - sizeof(*rp);
-	if (i < 0)
+	if (i < 0) {
+		printf(" [|rip]");
 		return;
+	}
 
 	rp = (struct rip *)dat;
 	switch (rp->rip_cmd) {
@@ -120,7 +122,7 @@ rip_print(const u_char *dat, u_int length)
 			printf(" rip-resp %d[%d]:", j, length);
 		else
 			printf(" rip-resp %d:", j);
-		trunc = ((i / sizeof(*ni)) * sizeof(*ni) != i);
+		trunc = (i / sizeof(*ni)) != j;
 		ni = (struct rip_netinfo *)(rp + 1);
 		for (; (i -= sizeof(*ni)) >= 0; ++ni)
 			rip_entry_print(rp->rip_vers, ni);