From b0882deadbdd93323c61dbd7abc15f1f7fb7c851 Mon Sep 17 00:00:00 2001
From: Don Lewis <truckman@FreeBSD.org>
Date: Sun, 15 May 2016 22:31:03 +0000
Subject: [PATCH] Use strlcpy() instead of strncpy() when copying ifname to
 ensure that it is NUL terminated.  Additional NUL padding is not required for
 short names.

Reported by:	Coverity
CID:		1009974
MFC after:	1 week
---
 usr.sbin/route6d/route6d.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/usr.sbin/route6d/route6d.c b/usr.sbin/route6d/route6d.c
index 91c1d372ed9..693493fd848 100644
--- a/usr.sbin/route6d/route6d.c
+++ b/usr.sbin/route6d/route6d.c
@@ -1592,7 +1592,7 @@ ifconfig1(const char *name,
 	if (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr) && !lflag)
 		return (-1);
 	ifr.ifr_addr = *sin6;
-	strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
+	strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
 	if (ioctl(s, SIOCGIFNETMASK_IN6, (char *)&ifr) < 0) {
 		syslog(LOG_INFO, "ioctl: SIOCGIFNETMASK_IN6");
 		return (-1);