From cd0197dbb98f8e6e89a00bbf30723cb77c4ac9a0 Mon Sep 17 00:00:00 2001
From: itojun <itojun@FreeBSD.org>
Date: Mon, 14 Aug 2000 04:54:58 +0000
Subject: fix LP64 issue in routing socket manipulation. make behavior of -A
 safer. (sync with kame)

---
 usr.sbin/route6d/route6d.c | 33 +++++++++++++++++++++++----------
 1 file changed, 23 insertions(+), 10 deletions(-)

(limited to 'usr.sbin/route6d')

diff --git a/usr.sbin/route6d/route6d.c b/usr.sbin/route6d/route6d.c
index 40788f6..102c1ff 100644
--- a/usr.sbin/route6d/route6d.c
+++ b/usr.sbin/route6d/route6d.c
@@ -1,5 +1,5 @@
 /*	$FreeBSD$	*/
-/*	$KAME: route6d.c,v 1.30 2000/06/04 06:48:03 itojun Exp $	*/
+/*	$KAME: route6d.c,v 1.35 2000/08/13 00:39:44 itojun Exp $	*/
 
 /*
  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -31,7 +31,7 @@
  */
 
 #ifndef	lint
-static char _rcsid[] = "$KAME: route6d.c,v 1.30 2000/06/04 06:48:03 itojun Exp $";
+static char _rcsid[] = "$KAME: route6d.c,v 1.35 2000/08/13 00:39:44 itojun Exp $";
 #endif
 
 #include <stdio.h>
@@ -2251,7 +2251,7 @@ rt_entry(rtm, again)
 	if ((rtm->rtm_addrs & RTA_DST) == 0)
 		return;		/* ignore routes without destination address */
 	sin6_dst = (struct sockaddr_in6 *)rtmp;
-	rtmp += sin6_dst->sin6_len;
+	rtmp += ROUNDUP(sin6_dst->sin6_len);
 	if (rtm->rtm_addrs & RTA_GATEWAY) {
 		sin6_gw = (struct sockaddr_in6 *)rtmp;
 		rtmp += ROUNDUP(sin6_gw->sin6_len);
@@ -2724,7 +2724,9 @@ filterconfig()
 	struct	iff ftmp, *iff_obj;
 	struct	ifc *ifcp;
 	struct	riprt *rrt;
+#if 0
 	struct	in6_addr gw;
+#endif
 
 	for (i = 0; i < nfilter; i++) {
 		ap = filter[i];
@@ -2783,6 +2785,24 @@ ifonly:
 		rrt->rrt_rflags = RRTF_AGGREGATE;
 		rrt->rrt_t = 0;
 		rrt->rrt_index = loopifindex;
+#if 0
+		if (getroute(&rrt->rrt_info, &gw)) {
+#if 0
+			/*
+			 * When the address has already been registered in the
+			 * kernel routing table, it should be removed 
+			 */
+			delroute(&rrt->rrt_info, &gw);
+#else
+			/* it is more safe behavior */
+			errno = EINVAL;
+			fatal("%s/%u already in routing table, "
+			    "cannot aggregate",
+			    inet6_n2p(&rrt->rrt_info.rip6_dest),
+			    rrt->rrt_info.rip6_plen);
+#endif
+		}
+#endif
 		/* Put the route to the list */
 		rrt->rrt_next = riprt;
 		riprt = rrt;
@@ -2792,13 +2812,6 @@ ifonly:
 		/* Add this route to the kernel */
 		if (nflag) 	/* do not modify kernel routing table */
 			continue;
-		if (getroute(&rrt->rrt_info, &gw)) {
-			/*
-			 * When the address has already been registered in the
-			 * kernel routing table, it should be removed 
-			 */
-			delroute(&rrt->rrt_info, &gw);
-		}
 		addroute(rrt, &in6addr_loopback, loopifcp);
 	}
 }
-- 
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