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632 commits 8 branches 75 tags 4.3 MiB
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97 commits

Author SHA1 Message Date
Miroslav Lichvar
73e4986866 ntp: fix comment on NCR_ProcessUnknown 2014-03-26 11:24:25 +01:00
Miroslav Lichvar
91e74c704b ntp: accept packets from unknown sources only from server sockets 2014-03-26 11:18:18 +01:00
Miroslav Lichvar
cf12d72f21 ntp: use separate connected sockets for each server 
If acquisitionport is set to 0 (default), create and connect a new
socket for each server instead of using one socket per address family
for all servers.
 2014-03-25 15:27:18 +01:00
Miroslav Lichvar
f2c4ab09a8 ntp: check if packet was received by right socket 2014-03-25 15:24:38 +01:00
Miroslav Lichvar
9a657cd4a3 ntp: store socket in NTP instance 
This is preparation for separate client sockets.
 2014-03-25 15:22:59 +01:00
Miroslav Lichvar
308de81221 ntp: split local_ip_addr from NTP_Remote_Address struct 2014-03-25 11:34:35 +01:00
Miroslav Lichvar
7aa4bbf621 ntp: set minpoll from received KoD RATE at most to 10 
Limit changing minpoll to a reasonable maximum in case the server is
broken or temporarily misconfigured.
 2014-03-21 15:32:14 +01:00
Miroslav Lichvar
5afddad0d2 ntp: print warning when source is added with unknown key 2014-03-21 14:36:51 +01:00
Miroslav Lichvar
0380cf0c76 ntp: reset negative minpoll or maxpoll to default values 2014-03-21 13:25:14 +01:00
Miroslav Lichvar
8d02e5f680 ntp: make use of NCR_ProcessUnknown in NCR_ProcessKnown 
After recent changes the code in NCR_ProcessKnown is now identical and
can be replaced with NCR_ProcessUnknown call.
 2014-03-21 13:20:34 +01:00
Miroslav Lichvar
f9e2213afd ntp: don't store tx time stamp when replying to known source 2014-03-21 13:20:31 +01:00
Miroslav Lichvar
8b362ba3e7 ntp: don't reply to known source if missing key or invalid auth 
This is now similar to replying to unknown sources.
 2014-03-21 13:20:29 +01:00
Miroslav Lichvar
a26058d425 ntp: don't send requests with unknown key 
There is no point in sending a request if the configured key is missing.
A reply would be ignored anyway.
 2014-03-21 13:20:27 +01:00
Miroslav Lichvar
c14b81f3a9 ntp: remove unnecessary KEY_KeyKnown calls 2014-03-21 13:20:25 +01:00
Miroslav Lichvar
54211f0f6e Update comment on setting poll in reply packet 2014-01-17 18:10:32 +01:00
Miroslav Lichvar
4b5f465026 Don't allow maxpoll to be set shorter than minpoll 2014-01-17 17:37:07 +01:00
Miroslav Lichvar
8df1bedb1b Remove forgotten macros 2013-11-27 16:11:19 +01:00
Miroslav Lichvar
1c3aff37de Convert TRACEON LOG messages to DEBUG_LOG 2013-11-27 14:35:41 +01:00
Miroslav Lichvar
0731cd6950 Fix log messages 2013-11-26 18:41:51 +01:00
Miroslav Lichvar
922e2fe23b Fix Clang static analyzer warnings about never read values 2013-10-07 17:50:27 +02:00
Miroslav Lichvar
d5b737cce8 Update copyright years 2013-06-19 12:50:26 +02:00
Miroslav Lichvar
9666831818 Use UTI_DiffTimevalsToDouble to calculate theta 2013-06-12 15:30:28 +02:00
Miroslav Lichvar
ff8e04f9ba Fix fabs use on delay 2013-06-12 15:30:28 +02:00
Miroslav Lichvar
8aa9eb19c8 Remove unnecessary adjtimex calls 2013-06-06 19:38:36 +02:00
Miroslav Lichvar
2ceb3c89ca Move NTP_int32 conversion functions to util.c 2013-06-05 12:49:47 +02:00
Miroslav Lichvar
32bf32e7d5 Don't use uninitialized value in receive_packet() 2013-06-05 09:56:37 +02:00
Miroslav Lichvar
cce7a5f15e Improve peer polling in symmetric mode 
If the remote stratum is higher than ours, try to lock on the peer's
polling to minimize our response time by slightly extending our delay or
waiting for the peer to catch up with us as the random part in the
actual interval is reduced. If the remote stratum is equal to ours, try
to interleave evenly with the peer.
 2013-06-05 09:32:20 +02:00
Miroslav Lichvar
288043c13b Save remote poll only with valid packets 2013-06-04 15:43:59 +02:00
Miroslav Lichvar
78ae4ebfaa Fix peer polling with shorter remote poll 
If the remote peer uses a polling interval shorter than the local
minimum, the local peer will be unable to send any packets as the
timeout will be updated on every received valid packet and will never
expire.

Modify the delay calculation to aim at poll interval away since the last
transmit.

Also, share the delay calculation code with transmit_timeout().
 2013-06-04 12:52:49 +02:00
Miroslav Lichvar
cf700a0084 Requeue transmit timeout only with valid packets 2013-06-04 12:45:47 +02:00
Miroslav Lichvar
60a25f6e71 Ignore packets from offline sources 
Rework the logic in transmit_timeout() to change the online status on
the following timeout to allow ignoring packets from offline sources.
 2013-06-03 18:57:55 +02:00
Miroslav Lichvar
030e3b2dab Make receive_packet() more readable 2013-06-03 16:03:07 +02:00
Miroslav Lichvar
5079f6bbff In burst count only accumulated samples as good 2013-06-03 16:03:07 +02:00
Miroslav Lichvar
afceb9d24e Slew only non-zero local timestamps in ntp core 2013-06-03 16:03:07 +02:00
Miroslav Lichvar
a2656a20bc Fix poll timeout with symmetric peer and poll 0 2013-06-03 16:03:05 +02:00
Miroslav Lichvar
359d444343 Remove unncessary return statements 2013-05-21 15:08:34 +02:00
Miroslav Lichvar
ebae435398 Log online/offline status change for burst sources too. 2013-05-15 11:03:18 +02:00
Miroslav Lichvar
73d4eaafbb Reply to NTPv1 and NTPv2 packets with same version 2013-05-02 11:10:48 +02:00
Miroslav Lichvar
cf00179964 Reply to NTPv1 packets 2013-05-02 11:10:25 +02:00
Miroslav Lichvar
0bb772c575 Fix delta calculation with extreme frequency offsets 
This should prevent chronyd from getting stuck and refusing new samples
due to failing test4 when the current measured frequency offset is close
to 1.0. That can happen when the system clock is stepped forward behind
chronyd's back.
 2013-03-08 14:39:13 +01:00
Miroslav Lichvar
df6c2a432f Fuzz transmit timestamp 
Add random bits below clock precision to the timestamp to make
it less predictable.
 2012-05-23 12:06:16 +02:00
Miroslav Lichvar
0c738d84af Update copyright years 2012-02-28 13:11:56 +01:00
Miroslav Lichvar
777303f130 Add support for different authentication hashes 
Allow different hash functions to be used in the NTP and cmdmon
protocols. This breaks the cmdmon protocol compatibility. Extended key
file format is used to specify the hash functions for chronyd and new
authhash command is added to chronyc. MD5 is the default and the only
function included in the chrony source code, other functions will be
available from libraries.
 2011-11-02 13:53:00 +01:00
Miroslav Lichvar
cc3f5962b8 Merge NCR_Process functions 2011-09-01 16:25:13 +02:00
Miroslav Lichvar
5c36342958 Use initial delay also for burst samples 2011-08-26 18:34:00 +02:00
Miroslav Lichvar
27b0b5824a Disable maxdelayratio test by default 
Change default maxdelayratio from 16384.0 to 0.0. A value larger
than 1.0 is required to enable the test.
 2011-08-12 15:38:05 +02:00
Miroslav Lichvar
1d72d22bc5 Match skew in ntp_core to sourcestats skew 2011-08-12 15:38:05 +02:00
Miroslav Lichvar
1b8547059a Set leap status by enum 2011-06-13 17:02:42 +02:00
Miroslav Lichvar
91279a0f28 Store reference IDs in uint32_t 2011-06-13 15:34:16 +02:00
Miroslav Lichvar
8cc7ebffa9 Accept packets with compatible NTP versions 
All incoming NTP packets are now required to have version 2, 3 or 4.
 2011-05-25 16:59:40 +02:00