systemd/0113-timesyncd-check-if-str...

24 lines
980 B
Diff

From 07610e108e2d3f046da683a3a69c4d5cccd2cf8e Mon Sep 17 00:00:00 2001
From: Miroslav Lichvar <mlichvar@redhat.com>
Date: Wed, 27 Aug 2014 16:47:17 +0200
Subject: [PATCH] timesyncd: check if stratum is valid
---
src/timesync/timesyncd-manager.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/timesync/timesyncd-manager.c b/src/timesync/timesyncd-manager.c
index d80c72ff5c..60f39c638d 100644
--- a/src/timesync/timesyncd-manager.c
+++ b/src/timesync/timesyncd-manager.c
@@ -574,7 +574,8 @@ static int manager_receive_response(sd_event_source *source, int fd, uint32_t re
return manager_connect(m);
}
- if (NTP_FIELD_LEAP(ntpmsg.field) == NTP_LEAP_NOTINSYNC) {
+ if (NTP_FIELD_LEAP(ntpmsg.field) == NTP_LEAP_NOTINSYNC ||
+ ntpmsg.stratum == 0 || ntpmsg.stratum >= 16) {
log_debug("Server is not synchronized. Disconnecting.");
return manager_connect(m);
}