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- Log -----------------------------------------------------------------
commit 875b0e262c6b472766081b1ab9cc0ecabd460305
Author: Miroslav Lichvar <>
Date:   Tue Nov 15 12:13:49 2016 +0100

    ntp: add debug message for truncated control messages

commit 8823e2b064c2e71a3b93f1086dc39c6a50b44a29
Author: Miroslav Lichvar <>
Date:   Tue Nov 15 12:10:50 2016 +0100

    ntp: ignore truncated messages
    Don't waste time with processing messages that don't fit in the receive
    buffer as they most likely wouldn't pass the format check due to an
    invalid length of an extension field.

commit 5b2caf48dc60e88600a360c4a2b88756bbbe4e3d
Author: Miroslav Lichvar <>
Date:   Tue Nov 15 11:26:18 2016 +0100

    hwclock: fix order of samples
    In order to trim oldest samples in the regression function, they need to
    be sorted in the data arrays from the oldest to newest.

commit 7ec048ce7f4d8315e22ececd20cbdd6c1b4c6888
Author: Miroslav Lichvar <>
Date:   Mon Nov 14 12:18:56 2016 +0100

    ntp: detect unexpected TX updates of unknown sources

commit cfb3c3ba449536599f422258c852e43128efa0dc
Author: Miroslav Lichvar <>
Date:   Mon Nov 14 09:27:07 2016 +0100

    ntp: improve replay protection in symmetric mode
    Always allow update from the first valid response, even if its transmit
    timestamp is not newer than the currently saved timestamp. This shoud
    provide a temporary protection in the case where the attacker does have
    an authenticated packet from future, but the peers are using the same
    polling interval and the protocol is already synchronised. This could be
    also useful in the case where the attacker cannot observe the traffic
    and authentication is disabled.

commit 4b0ef0922162580d7ac9d4740c3782534ed35660
Author: Miroslav Lichvar <>
Date:   Mon Nov 14 08:43:54 2016 +0100

    sched: add more random bits to timeout scheduling
    Extend the random value which is included in the calculation of the
    delay from 16 to 32 bits. This makes scheduling of NTP transmissions
    random to one microsecond for polling intervals up to 17.

commit 74f581e7abd15b356791595c5ec633513e0809b1
Author: Miroslav Lichvar <>
Date:   Fri Nov 11 17:20:38 2016 +0100

    client: randomize sequence number in requests
    Don't rely on random source port of a connected socket alone as a
    protection against spoofed packets in chronyc. Generate a fully random
    32-bit sequence number for each request and modify the code to not send
    a new request until the timeout expires or a valid response is received.
    For a monitoring protocol this should be more than good enough.

commit 07aa54b1837681715fa4d6444bd5b2a2f7b95e38
Author: Miroslav Lichvar <>
Date:   Fri Nov 11 16:53:51 2016 +0100

    client: fix attempt number in requests to be in network order

commit 00da177e510091c3f5430013be2a585f2dd8493f
Author: Miroslav Lichvar <>
Date:   Fri Nov 11 14:17:02 2016 +0100

    report: remove unused definition

commit 6e9bfac07da403b581bb062f82c845d84aada98d
Author: Miroslav Lichvar <>
Date:   Fri Nov 11 14:04:12 2016 +0100

    sources: add new status for sources that overlap trusted sources
    Sources that overlap trusted sources should be displayed in the chronyc
    sources report with the '-' symbol and they shouldn't trigger a

commit 06f93e7bf02eec310ec4cb1108354006c2f3dd88
Author: Miroslav Lichvar <>
Date:   Fri Nov 11 13:32:54 2016 +0100

    sources: don't log warning when opening dump file fails
    Instead of complaining when the file doesn't exist, which is common when
    using pool servers, log an informational message when the file is

commit d84a706c08a49440def9b02816719f08dbac4e13
Author: Miroslav Lichvar <>
Date:   Fri Nov 11 13:07:28 2016 +0100

    conf: create socket directory before logdir and dumpdir
    This allows sharing of the same directory for sockets, logs and dumps as
    the socket directory needs to be created first (with mode 0770) in order
    to pass the check of the permissions.


Summary of changes:
 client.c   | 108 ++++++++++++++++++++++++++++++-------------------------------
 conf.c     |  10 +++---
 hwclock.c  |  16 +++++----
 ntp_core.c |   5 ++-
 ntp_io.c   |  11 +++++++
 reports.h  |   2 --
 sched.c    |   4 +--
 sources.c  |  10 +++++-
 8 files changed, 94 insertions(+), 72 deletions(-)


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