rsyslog

The rocket-fast system for log processing

Changelog

Changelog for 7.5.5 (v7-devel)

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Version 7.5.5 [devel] 2013-10-16

  • imfile: permit to monitor an unlimited number of files
  • imptcp: add “defaultTZ” input parameter
  • imudp: support for multiple receiver threads added
  • imudp: add “dfltTZ” input config parameter
  • bugfix: memory leak in mmnormalize
  • bugfix: mmutf8fix did not properly handle invalid UTF-8 at END of message if the very last character sequence was too long, this was not detected
    Thanks to Risto Vaarandi for reporting this problem.
  • mmanon: removed the check for specific “terminator characters” after  last octet. As it turned out, this didn’t work in practice as there was an enormous set of potential terminator chars — so removing them was the best thing to do. Note that this may change behaviour of existing installations. Yet, we still consider this an important bugfix, that should be applied to the stable branch.
    closes: http://bugzilla.adiscon.com/show_bug.cgi?id=477
    Thanks to Muri Cicanor for initiating the discussion
  • now requires libestr 0.1.7 as early versions had a nasty bug in string comparisons
  • bugfix: mmanon did not detect all IP addresses in rewrite mode
    The problem occured if two IPs were close to each other and the first one was shrunk.
    closes: http://bugzilla.adiscon.com/show_bug.cgi?id=485
    Thanks to micah-at-riseup.net for reporting this bug
  • bugfix: mmanon sometimes used invalid replacement char in simple mode depending on configuration sequence, the replacement character was set to ‘s’ instead of the correct value. Most importantly, it was set to ‘s’ if simple mode was selected and no replacement char set.
    closes: http://bugzilla.adiscon.com/show_bug.cgi?id=484
    Thanks to micah-at-riseup.net for reporting this bug
  • bugfix: memory leak in mmnormalize
  • bugfix: array-based ==/!= comparisions lead to invalid results
    This was a regression introduced in 7.3.5 bei the PRI optimizer

Changelog for 7.5.4 (v7-devel)

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Version 7.5.4 [devel] 2013-10-07

  • mmpstrucdata: new module to parse RFC5424 structured data into json message properties
  • change main/ruleset queue defaults to be more enterprise-like
    new defaults are queue.size 100,000 max workers 2, worker activation after 40,000 msgs are queued, batch size 256. These settings are much more useful for enterprises and will not hurt low-end systems that much. This is part of our re-focus on enterprise needs.
  • omfwd: new action parameter “maxErrorMessages” added
  • omfile: new module parameters to set action defaults added
    * dirCreateMode
    * fileCreateMode
  • mmutf8fix: new module to fix invalid UTF-8 sequences
  • imuxsock: handle unlimited number of additional listen sockets
  • doc: improve usability by linking to relevant web ressources
    The idea is to enable users to quickly find additional information, samples, HOWTOs and the like on the main site. At the same time, (very) slightly remove memory footprint when few listeners are monitored.
  • bugfix: omfwd parameter streamdrivermmode was not properly handled
    It was always overwritten by whatever value was set via the legacy directive $ActionSendStreamDriverMode
  • imtcp: add streamdriver.name module parameter
    permits overriding the system default stream driver (gtls, ptcp)
  • bugfix: build system: libgcrypt.h needed even if libgrcypt was disabled
    Thanks to Jonny Törnbom for reporting this problem
  • imported bugfixes from 7.4.4

Changelog for 7.5.3 (v7-devel)

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Version 7.5.3 [devel] 2013-09-11

  • imfile: support for escaping LF characters added embedded LF in syslog messages cause a lot of trouble. imfile now has the capability to escape them to “#012″ (just like the regular control character escape option). This requires new-style input statements to be used. If legacy configuration statements are used, LF escaping is always turned off to preserve compatibility.
    NOTE: if input() statements were already used, there is a CHANGE OF BEHAVIOUR: starting with this version, escaping is enabled by default. So if you do not want it, you need to add escapeLF=”off” to the input statement. Given the trouble LFs cause and the fact that the majority of installations still use legacy config, we considered this behaviour change acceptable and useful.
    see also: http://blog.gerhards.net/2013/09/imfile-multi-line-messages.html
  • add support for global and local variables
  • bugfix: queue file size was not correctly processed
    this could lead to using one queue file per message for sizes >2GiB
    Thanks to Tomas Heinrich for the patch.
  • add main_queue() configuration object to configure main message queue
  • bugfix: stream compression in imptcp caused timestamp to be corrupted
  • imudp: add ability to specify SO_RCVBUF size (rcvbufSize parameter)
  • imudp: use inputname for statistics, if configured
  • impstats: add process resource usage counters [via getrusage()]
  • impstats: add paramter “resetCounters” to report delta values possible for most, but not all, counters. See doc for details.
  • librelp 1.2.0 is now required
  • make use of new librelp generic error reporting facility
    This leads to more error messages being passed to the user and thus simplified troubleshooting.
  • bugfix: very small memory leak in imrelp
    more or less cosmetic, a single memory block was not freed, but this only happens immediately before termination (when the OS automatically frees all memory). Still an annoyance e.g. in valgrind.
  • fix compile problem in debug build
  • imported fixes from 7.4.4

Changelog for 7.4.4 (v7-stable)

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Version 7.4.4  [v7.4-stable] 2013-09-03

  • better error messages in GuardTime signature provider
    Thanks to Ahto Truu for providing the patch.
  • make rsyslog use the new json-c pkgconfig file if available
    Thanks to the Gentoo team for the patches.
  • bugfix: imfile parameter “persistStateInterval” was unusable
    due to a case typo in imfile; work-around was to use legacy config
    Thanks to Brandon Murphy for reporting this bug.
  • bugfix: TLV16 flag encoding error in signature files from GT provider
    This fixes a problem where the TLV16 flag was improperly encoded. Unfortunately, existing files already have the bug and may not properly be processed. The fix uses constants from the GuardTime API lib to prevent such problems in the future.
    Thanks to Ahto Truu for providing the patch.
  • bugfix: slightly malformed SMTP handling in ommail
  • bugfix: segfault in omprog if no template was provided (now dflt is used)
  • bugfix: segfault in ompipe if no template was provided (now dflt is used)
  • bugfix: segfault in omsnmp if no template was provided (now dflt is used)
  • bugfix: some omsnmp optional config params were flagged as mandatory
  • bugfix: segfault in omelasticsearch when resuming queued messages after restarting Elasticsearch
    closes: http://bugzilla.adiscon.com/show_bug.cgi?id=464
  • bugfix: imtcp addtlframedelimiter could not be set to zero
    Thanks to Chris Norton for alerting us.
  • doc bugfix: remove no-longer existing omtemplate from developer doc was specifically mentioned as a sample for creating new plugins
    Thanks to Yannick Brosseau for alerting us of this problem.
    closes: http://bugzilla.adiscon.com/show_bug.cgi?id=473

Changelog for 7.5.2 (v7-devel)

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Version 7.5.2 [devel] 2013-07-04

Changelog for 7.4.2 (v7-stable)

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Version 7.4.2 [v7.4-stable] 2013-07-04

  • bugfix: in RFC5425 TLS, multiple wildcards in auth could cause segfault
  • bugfix: RainerScript object required parameters were not properly checked – this clould result to segfaults on startup if parameters were missing.
  • bugfix: double-free in omelasticsearch closes: http://bugzilla.adiscon.com/show_bug.cgi?id=461 a security advisory for this bug is available at: http://www.lsexperts.de/advisories/lse-2013-07-03.txt PLEASE NOTE: This issue only existed if omelasticsearch was used in a non-default configuration, where the “errorfile” parameter was specified. Without that parameter set, the bug could not be triggered. Thanks to Markus Vervier and Marius Ionescu for providing a detailled bug report. Special thanks to Markus for coordinating his security advisory with us.
  • bugfix: omrelp potential segfault at startup on invalid config parameters
  • bugfix: small memory leak when $uptime property was used
  • bugfix: potential segfault on rsyslog termination in imudp closes: http://bugzilla.adiscon.com/show_bug.cgi?id=456
  • bugfix: lmsig_gt abort on invalid configuration parameters closes: http://bugzilla.adiscon.com/show_bug.cgi?id=448 Thanks to Risto Laanoja for the patch.
  • imtcp: fix typo in “listner” parameter, which is “listener” Currently, both names are accepted.
  • solved build problems on FreeBSD closes: http://bugzilla.adiscon.com/show_bug.cgi?id=457 closes: http://bugzilla.adiscon.com/show_bug.cgi?id=458 Thanks to Christiano for reproting and suggesting patches
  • solved build problems on CENTOS5

Changelog for 7.5.1 (v7-devel)

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Version 7.5.1 [devel] 2013-06-26

  • librelp 1.1.3 is required – older versions can lead to a segfault
  • add mmfields, which among others supports easy parsing of CEF messages
  • omrelp:
    * new parameter “compression.prioritystring” to control encryption parameters used by GnuTLS
  • imrelp:
    * new parameter “compression.dhbits” to control the number of bits being used for Diffie-Hellman key generation
    * new parameter “compression.prioritystring” to control encryption parameters used by GnuTLS
    * support for impstats added
    * support for setting permitted peers (client authentication) added
    * bugfix: potential segfault at startup on invalid config parameters
  • imjournal: imported patches from 7.4.1
  • omprog: add support for command line parameters
  • added experimental TCP stream compression (imptcp only, currently)
  • added BSD-specific syslog facilities
    * “console”
    * “bsd_security” – this is called “security” under BSD, but that name was unfortunately already taken by some standard facility. So I did the (hopefully) second-best thing and renamed it a little.
  • imported fixes from 7.4.2 (especially build problems on FreeBSD)
  • bugfix: imptcp did not properly initialize compression status variable could lead to segfault if stream:always compression mode was selected

Changelog for 7.4.1 (v7-stable)

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Version 7.4.1  [v7.4-stable] 2013-06-17

  • imjournal: add ratelimiting capability
    The original imjournal code did not support ratelimiting at all. We now have our own ratelimiter. This can mitigate against journal database corruption, when the journal re-sends old data. This is a current bug in systemd journal, but we won’t outrule this to happen in the future again. So it is better to have a safeguard in place. By default, we permit 20,000 messages witin 10 minutes. This may be a bit restrictive, but given the risk potential it seems reasonable.
    Users requiring larger traffic flows can always adjust the value.
  • bugfix: potential loop in rate limiting
    if the message that tells about rate-limiting gets rate-limited itself, it will potentially create and endless loop
  • bugfix: potential segfault in imjournal if journal DB is corrupted
  • bugfix: prevent a segfault in imjournal if state file is not defined
  • bugfix imzmq3: potential segfault on startup
    if no problem happend at startup, everything went fine
    Thanks to Hongfei Cheng and Brian Knox for the patch

Changelog for 7.4.0 (v7-stable)

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Version 7.4.0  [v7.4-stable] 2013-06-06
This starts a new stable branch based on 7.3.15 plus the following changes:

  • add –enable-cached-man-pages ./configure option
    permits to build rsyslog on a system where rst2man is not installed. In that case, cached versions of the man pages are used (they were built during “make dist”, so they should be current for the version in question.
  • doc bugfix: ReadMode wrong in imfile doc, two values were swapped
    Thanks to jokajak@gmail.com for mentioning this
    closes: http://bugzilla.adiscon.com/show_bug.cgi?id=450
  • imjournal: no longer do periodic wakeup
  • bugfix: potential hang *in debug mode* on rsyslogd termination
    This ONLY affected rsyslogd if it were running with debug output enabled.
  • bugfix: $template statement with multiple spaces lead to invalid tpl name
    If multiple spaces were used in front of the template name, all but one of them became actually part of the template name. So $template   a,”…” would be name ”  a”, and as such “a” was not available, e.g. in
    *.* /var/log/file;a
    This is a legacy config problem. As it was unreported for many years, no backport of the fix to old versions will happen. This is a long-standing bug that was only recently reported by forum user mc-sim.
    Reference: http://kb.monitorware.com/post23448.html
  •  0mq fixes; credits to Hongfei Cheng and Brian Knox
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