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ntp: don't check for synchronization loop in special reference modes

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If a special reference mode is enabled, always pass the test for
synchronization loop. This allows chronyd using the initstepslew
directive (or the -q/-Q option) to accept time from its own clients
after restart as is documented in the chrony.conf man page.

This was broken since update to NTPv4.
This commit is contained in:
Miroslav Lichvar
2016-05-12 15:43:42 +02:00
parent d1f4e5876b
commit b48e4421de
1 changed files with 2 additions and 1 deletions
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3
ntp_core.c
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@@ -1348,7 +1348,8 @@ receive_packet(NTP_Packet *message, struct timeval *now, double now_err, NCR_Ins
/* Test D requires that the remote peer is not synchronised to us to /* Test D requires that the remote peer is not synchronised to us to
prevent a synchronisation loop */ prevent a synchronisation loop */
testD = message->stratum <= 1 || pkt_refid != UTI_IPToRefid(&local_addr->ip_addr); testD = message->stratum <= 1 || REF_GetMode() != REF_ModeNormal ||
pkt_refid != UTI_IPToRefid(&local_addr->ip_addr);
} else { } else {
offset = delay = dispersion = 0.0; offset = delay = dispersion = 0.0;
sample_time = *now; sample_time = *now;