From c26c6628e7ea92d6f3f1c128db15da199787a1fd Mon Sep 17 00:00:00 2001 From: Brent Cook Date: Tue, 30 Dec 2014 09:10:22 -0600 Subject: [PATCH 08/12] Handle IPv6 DNS records on IPv4 networks more liberally Rather than fail on IPv4 only networks when seeing an IPv6 DNS record, just give a warning. Debian bug ID: 500676. Original Author: Stefan Praszalowicz --- src/usr.sbin/ntpd/client.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/src/usr.sbin/ntpd/client.c b/src/usr.sbin/ntpd/client.c index 9b9b522..0271068 100644 --- a/src/usr.sbin/ntpd/client.c +++ b/src/usr.sbin/ntpd/client.c @@ -138,9 +138,15 @@ client_query(struct ntp_peer *p) if (p->query->fd == -1) { struct sockaddr *sa = (struct sockaddr *)&p->addr->ss; - if ((p->query->fd = socket(p->addr->ss.ss_family, SOCK_DGRAM, - 0)) == -1) - fatal("client_query socket"); + p->query->fd = socket(p->addr->ss.ss_family, SOCK_DGRAM, 0); + if (p->query->fd == -1) + if (errno == EAFNOSUPPORT) { + log_warn("client_query socket"); + client_nextaddr(p); + set_next(p, error_interval()); + return (-1); + } else + fatal("client_query socket"); #ifdef SO_RTABLE if (p->rtable != -1 && -- 1.9.1