From f8b926e15aa22ed9b2e82258819d9e3e130ef4b4 Mon Sep 17 00:00:00 2001 From: "Paul B. Henson" Date: Sat, 11 Jul 2015 21:48:53 -0700 Subject: [PATCH] Deal with missing SO_TIMESTAMP by falling back to client.c,v1.84 behavior. --- 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 2be1f93..e2076f8 100644 --- a/src/usr.sbin/ntpd/client.c +++ b/src/usr.sbin/ntpd/client.c @@ -169,10 +169,12 @@ 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 } /* @@ -219,7 +221,9 @@ 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; @@ -232,7 +236,6 @@ 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 || @@ -264,6 +267,8 @@ client_dispatch(struct ntp_peer *p, u_int8_t settime) fatal("client_dispatch setsockopt SO_RTABLE"); #endif +#ifdef SO_TIMESTAMP + T4 = getoffset(); for (cmsg = CMSG_FIRSTHDR(&somsg); cmsg != NULL; cmsg = CMSG_NXTHDR(&somsg, cmsg)) { if (cmsg->cmsg_level == SOL_SOCKET && @@ -273,6 +278,9 @@ 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); -- 2.0.4