From 881d29d2e864c858458e87706751c35fe231519e Mon Sep 17 00:00:00 2001 From: Brent Cook Date: Sun, 6 Dec 2015 22:35:38 -0600 Subject: [PATCH 11/13] Deal with missing SO_TIMESTAMP from Paul B. Henson" Fall back to the previous client.c implementation when it is not found. --- src/usr.sbin/ntpd/client.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/src/usr.sbin/ntpd/client.c b/src/usr.sbin/ntpd/client.c index aa9fc24c6..bb5c4f4c0 100644 --- a/src/usr.sbin/ntpd/client.c +++ b/src/usr.sbin/ntpd/client.c @@ -175,10 +175,12 @@ client_query(struct ntp_peer *p) if (p->addr->ss.ss_family == AF_INET && setsockopt(p->query->fd, IPPROTO_IP, IP_TOS, &val, sizeof(val)) == -1) log_warn("setsockopt IPTOS_LOWDELAY"); +#ifdef SO_TIMESTAMP val = 1; if (setsockopt(p->query->fd, SOL_SOCKET, SO_TIMESTAMP, &val, sizeof(val)) == -1) fatal("setsockopt SO_TIMESTAMP"); +#endif } /* @@ -225,7 +227,9 @@ client_dispatch(struct ntp_peer *p, u_int8_t settime) struct cmsghdr hdr; char buf[CMSG_SPACE(sizeof(tv))]; } cmsgbuf; +#ifdef SO_TIMESTAMP struct cmsghdr *cmsg; +#endif ssize_t size; double T1, T2, T3, T4; time_t interval; @@ -238,7 +242,6 @@ client_dispatch(struct ntp_peer *p, u_int8_t settime) somsg.msg_control = cmsgbuf.buf; somsg.msg_controllen = sizeof(cmsgbuf.buf); - T4 = getoffset(); if ((size = recvmsg(p->query->fd, &somsg, 0)) == -1) { if (errno == EHOSTUNREACH || errno == EHOSTDOWN || errno == ENETUNREACH || errno == ENETDOWN || @@ -263,6 +266,8 @@ client_dispatch(struct ntp_peer *p, u_int8_t settime) return (0); } +#ifdef SO_TIMESTAMP + T4 = getoffset(); for (cmsg = CMSG_FIRSTHDR(&somsg); cmsg != NULL; cmsg = CMSG_NXTHDR(&somsg, cmsg)) { if (cmsg->cmsg_level == SOL_SOCKET && @@ -272,6 +277,9 @@ client_dispatch(struct ntp_peer *p, u_int8_t settime) break; } } +#else + T4 = gettime_corrected(); +#endif if (T4 < JAN_1970) { client_log_error(p, "recvmsg control format", EBADF); -- 2.13.0