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128 commits

Author SHA1 Message Date
Miroslav Lichvar
1aecc51c70 ntp: add version option to server/peer directive 2014-10-20 16:14:17 +02:00
Miroslav Lichvar
7958b1764e ntp: remove debug messages in slew handler 2014-10-20 12:22:17 +02:00
Miroslav Lichvar
63af4889f6 sources: drop selectable flag 
This is no longer needed with new NTP packet processing as the sources
are always selectable after first sample is accumulated.
 2014-10-20 11:02:07 +02:00
Miroslav Lichvar
819b8eb73d ntp: fix Clang warning 2014-10-15 12:40:12 +02:00
Miroslav Lichvar
a78bf0c34e ntp: merge broadcast code with ntp_core 2014-10-15 12:27:46 +02:00
Miroslav Lichvar
e0059bcc6b ntp: define NTP_MAX_STRATUM for other modules 2014-10-14 17:25:55 +02:00
Miroslav Lichvar
8fbfe55e92 ntp: update packet processing to NTPv4 (RFC 5905) 2014-10-14 16:52:22 +02:00
Miroslav Lichvar
740e8130dd ntp: clamp value set by minstratum option 2014-10-13 15:10:15 +02:00
Miroslav Lichvar
361726b3ae keys: store IDs in uint32_t 2014-09-26 14:14:54 +02:00
Miroslav Lichvar
e1accce498 ntp: print warning 10 years before supported time ends 2014-09-09 17:08:30 +02:00
Miroslav Lichvar
4e66b5ce8a ntp: don't stop online burst when sending fails 
Don't stop online burst for unreachable sources until sending succeeds.
This is mainly useful with iburst when chronyd is started before the
network is configured.
 2014-08-20 16:54:26 +02:00
Miroslav Lichvar
d446950c6a ntp: don't adjust polling interval when sending fails 2014-08-20 16:54:26 +02:00
Miroslav Lichvar
e3c77f9b4b ntp: return with status from functions sending packets 2014-08-20 16:54:26 +02:00
Miroslav Lichvar
badf97d4ba ntp: restart timer when poll interval changes on reset 2014-08-20 16:54:26 +02:00
Miroslav Lichvar
ba283e6b6e ntp: add function to restart transmit timer 2014-08-20 16:54:26 +02:00
Miroslav Lichvar
cd5105b1db ntp: use NTP instead of echo for presend 
Switch to NTP for presend as the echo service (RFC 862) is rarely
enabled. When presend is active, send an NTP client packet to the
server/peer and ignore the reply.

This also fixes presend with separate client sockets. The destination
port can't be changed on connected sockets, so the echo packet was sent
to the NTP port instead of the echo port.
 2014-08-15 16:49:45 +02:00
Miroslav Lichvar
474b2af1a6 util: add support for other NTP eras 
NTP timestamps use only 32 bits to count seconds and the current NTP era
ends in 2036. Add support for converting NTP timestamps from other NTP
eras on systems with 64-bit time_t.

The earliest assumed NTP time is set by the configure script (by default
to 50 years before the date of the build) and earlier NTP timestamps
underflow to the following NTP era.
 2014-08-15 11:18:40 +02:00
Miroslav Lichvar
cb88cea3c4 ntp: move packet size asserts to ntp_core 2014-08-15 10:58:52 +02:00
Miroslav Lichvar
a9b9e7befe ntp: create new socket for each client request 
Create a new connected client socket before each request and close it
when a valid reply is received.

This is useful when the network configuration is changed and the client
socket should be reconnected, but the old bound address remains valid
and sendmsg() doesn't return with an error.
 2014-08-15 10:58:43 +02:00
Miroslav Lichvar
cb74f3e7ad Update copyright years 2014-06-05 18:06:56 +02:00
Miroslav Lichvar
a646cf7923 logging: convert rate limited messages to debug messages 2014-06-04 12:26:27 +02:00
Miroslav Lichvar
3f3ebd3b3b ntp: update comment in get_transmit_delay() 2014-06-03 18:10:27 +02:00
Miroslav Lichvar
3ebebac695 ntp: reset NCR instance thoroughly when switching to offline 2014-06-02 16:46:53 +02:00
Miroslav Lichvar
779e40ed66 ntp: delay initial transmission until first resolving ends 
This will be needed to prevent loading of dump files after sources have
already accumulated samples and possibly reference was already updated
when async resolving of sources is implemented.
 2014-04-29 12:42:45 +02:00
Miroslav Lichvar
08faca03b7 ntp: close client socket when offline 2014-04-10 18:02:29 +02:00
Miroslav Lichvar
3217421797 ntp: close only client socket when destroying NCR instance 2014-04-10 17:50:24 +02:00
Miroslav Lichvar
8671002bd7 sources: add flag that source is active 
When source is set as active, it's receiving reachability updates (e.g.
offline NTP sources are not active).

Also add function to count active sources.
 2014-04-10 17:48:58 +02:00
Miroslav Lichvar
bc6b40568d ntp: reduce burst timeout to 2.0 
With the new special mode ending it can be now equal to the burst
polling interval.
 2014-04-10 17:16:30 +02:00
Miroslav Lichvar
60d8586b6d ntp: reduce burst timeout to 2.5 seconds 
This reduces the maximum time initstepslew can take.
 2014-04-09 09:59:58 +02:00
Miroslav Lichvar
70928dba52 ntp: set maximum number of iburst samples to size of reach register 
Explicitly set the number of iburst samples to the size of the register
to make sure there are at least 7 reachability updates and the
initstepslew mode can be ended.
 2014-04-09 09:59:57 +02:00
Miroslav Lichvar
0094128ca6 sources: split source selection from sample accumulation 
This will allow postponing source selection and reference update, which
could be useful in burst modes.
 2014-04-08 17:00:47 +02:00
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