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Date:      Thu, 15 May 2014 19:26:21 +0000 (UTC)
From:      Hiroki Sato <hrs@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r266177 - head/usr.bin/netstat
Message-ID:  <201405151926.s4FJQLeM060324@svn.freebsd.org>

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Author: hrs
Date: Thu May 15 19:26:20 2014
New Revision: 266177
URL: http://svnweb.freebsd.org/changeset/base/266177

Log:
  - Do not override sin6_scope_id in LLA when it is already set to non-zero.
    This fixes destination list in output of netstat -r.
  - Plug a memory leak.
  - Add RTM_VERSION check.
  - Minor style fixes.

Modified:
  head/usr.bin/netstat/route.c

Modified: head/usr.bin/netstat/route.c
==============================================================================
--- head/usr.bin/netstat/route.c	Thu May 15 19:19:57 2014	(r266176)
+++ head/usr.bin/netstat/route.c	Thu May 15 19:26:20 2014	(r266177)
@@ -586,8 +586,9 @@ p_rtable_sysctl(int fibnum, int af)
 	mib[4] = NET_RT_DUMP;
 	mib[5] = 0;
 	mib[6] = fibnum;
-	if (sysctl(mib, 7, NULL, &needed, NULL, 0) < 0) {
-		err(1, "sysctl: net.route.0.%d.dump.%d estimate", af, fibnum);
+	if (sysctl(mib, nitems(mib), NULL, &needed, NULL, 0) < 0) {
+		err(EX_OSERR, "sysctl: net.route.0.%d.dump.%d estimate", af,
+		    fibnum);
 	}
 
 	if ((buf = malloc(needed)) == 0) {
@@ -599,6 +600,8 @@ p_rtable_sysctl(int fibnum, int af)
 	lim  = buf + needed;
 	for (next = buf; next < lim; next += rtm->rtm_msglen) {
 		rtm = (struct rt_msghdr *)next;
+		if (rtm->rtm_version != RTM_VERSION)
+			continue;
 		/*
 		 * Peek inside header to determine AF
 		 */
@@ -611,6 +614,7 @@ p_rtable_sysctl(int fibnum, int af)
 		}
 		p_rtentry_sysctl(rtm);
 	}
+	free(buf);
 }
 
 static void
@@ -971,9 +975,9 @@ in6_fillscopeid(struct sockaddr_in6 *sa6
 	if (IN6_IS_ADDR_LINKLOCAL(&sa6->sin6_addr) ||
 	    IN6_IS_ADDR_MC_NODELOCAL(&sa6->sin6_addr) ||
 	    IN6_IS_ADDR_MC_LINKLOCAL(&sa6->sin6_addr)) {
-		/* XXX: override is ok? */
-		sa6->sin6_scope_id =
-		    ntohs(*(u_int16_t *)&sa6->sin6_addr.s6_addr[2]);
+		if (sa6->sin6_scope_id == 0)
+			sa6->sin6_scope_id =
+			    ntohs(*(u_int16_t *)&sa6->sin6_addr.s6_addr[2]);
 		sa6->sin6_addr.s6_addr[2] = sa6->sin6_addr.s6_addr[3] = 0;
 	}
 #endif



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