here as well: when our interface vanishes, exit

PR3648, test & ok pb

1 files changed, 7 insertions, 0 deletions

diff --git a/usr.sbin/dhcp/dhclient/dhclient.c b/usr.sbin/dhcp/dhclient/dhclient.c
index bc69b24eae4..32531224786 100644
--- a/usr.sbin/dhcp/dhclient/dhclient.c
+++ b/usr.sbin/dhcp/dhclient/dhclient.c
@@ -172,6 +172,7 @@ routehandler(struct protocol *p)
 	struct rt_msghdr *rtm;
 	struct if_msghdr *ifm;
 	struct ifa_msghdr *ifam;
+	struct if_announcemsghdr *ifan;
 	struct interface_info *ip;
 	ssize_t n;
 
@@ -205,6 +206,12 @@ routehandler(struct protocol *p)
 		if ((rtm->rtm_flags & RTF_UP) == 0)
 			goto die;
 		break;
+	case RTM_IFANNOUNCE:
+		ifan = (struct if_announcemsghdr *)rtm;
+		if (ifan->ifan_what == IFAN_DEPARTURE &&
+		    (ip = isours(ifan->ifan_index)) != NULL)
+			goto die;
+		break;
 	default:
 		break;
 	}