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- From f8b926e15aa22ed9b2e82258819d9e3e130ef4b4 Mon Sep 17 00:00:00 2001
- From: "Paul B. Henson" <henson@acm.org>
- 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
-
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