u-boot.git - Unnamed repository; edit this file 'description' to name the repository.

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author	Grant Erickson <marathon96@gmail.com>	2011-12-22 08:59:55 +0000
committer	Wolfgang Denk <wd@denx.de>	2012-01-05 17:00:01 +0100
commit	aa701b94336b358798d676eef12a7b90bdac23f5 (patch)
tree	9668dfa693be46dfda9c49cf90aeabfcfde79b7d /board/eNET
parent	145afab32c3a049bd646d2eede5f2feba08576c6 (diff)

tools/env: allow overwrite of ethaddr on default

This patch allows the U-Boot user space companion utility, fw_setenv, to overwrite the 'ethaddr' key/value pair if the current value is set to a per-board-configured default. This change allows 'fw_setenv' to match the behavior of 'setenv' / 'env set' on the U-Boot command line. Signed-off-by: Grant Erickson <marathon96@gmail.com> Fixed excessive white space. Signed-off-by: Wolfgang Denk <wd@denx.de>

Diffstat (limited to 'board/eNET')

0 files changed, 0 insertions, 0 deletions

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- added configuration directive to disable octet-counted framing
  for imtcp, directive is $InputTCPServerSupportOctetCountedFraming 
- added capability to use a local interface IP address as fromhost-ip for
  imuxsock imklog
  new config directives: $IMUXSockLocalIPIF, $klogLocalIPIF
- added configuration directives to customize queue light delay marks
  $MainMsgQueueLightDelayMark, $ActionQueueLightDelayMark; both
  specify number of messages starting at which a delay happens.
---------------------------------------------------------------------------
Version 5.8.9  [V5-stable] 2012-03-??
- bugfix: stopped DA queue was never processed after a restart due to a
  regression from statistics module
- added better doc for statsobj interface
  Thanks to Kaiwang Chen for his suggestions and analysis in regard to the
  stats subsystem.
---------------------------------------------------------------------------
Version 5.8.8  [V5-stable] 2012-03-05
- bugfix: omprog made rsyslog abort on startup if not binary to
  execute was configured
- bugfix: imklog invalidly computed facility and severity
  closes: http://bugzilla.adiscon.com/show_bug.cgi?id=313
---------------------------------------------------------------------------
Version 5.8.7  [V5-stable] 2012-01-17
- bugfix: instabilities when using RFC5424 header fields
  Thanks to Kaiwang Chen for the patch
- bugfix: imuxsock did truncate part of received message if it did not
  contain a proper date. The truncation occured because we removed that
  part of the messages that was expected to be the date.
  closes: http://bugzilla.adiscon.com/show_bug.cgi?id=295
- bugfix: potential abort after reading invalid X.509 certificate
  closes: http://bugzilla.adiscon.com/show_bug.cgi?id=290
  Thanks to Tomas Heinrich for the patch
- bugfix: stats counter were not properly initialized on creation
- FQDN hostname for multihomed host was not always set to the correct name
  if multiple aliases existed. Thanks to Tomas Heinreich for the patch.
- re-licensed larger parts of the codebase under the Apache license 2.0
---------------------------------------------------------------------------
Version 5.8.6  [V5-stable] 2011-10-21
- bugfix: missing whitespace after property-based filter was not detected
- bugfix: $OMFileFlushInterval period was doubled - now using correct value
- bugfix: ActionQueue could malfunction due to index error
  Thanks to Vlad Grigorescu for the patch
- bugfix: $ActionExecOnlyOnce interval did not work properly
  Thanks to Tomas Heinrich for the patch
- bugfix: race condition when extracting program name, APPNAME, structured
  data and PROCID (RFC5424 fields) could lead to invalid characters e.g.
  in dynamic file names or during forwarding (general malfunction of these
  fields in templates, mostly under heavy load)
- bugfix: imuxsock did no longer ignore message-provided timestamp, if
  so configured (the *default*). Lead to no longer sub-second timestamps.
  closes: http://bugzilla.adiscon.com/show_bug.cgi?id=281
- bugfix: omfile returns fatal error code for things that go really wrong
  previously, RS_RET_RESUME was returned, which lead to a loop inside the
  rule engine as omfile could not really recover.
- bugfix: imfile did invalid system call under some circumstances
  when a file that was to be monitored did not exist BUT the state file
  actually existed. Mostly a cosmetic issue. Root cause was incomplete
  error checking in stream.c; so patch may affect other code areas.
- bugfix: rsyslogd -v always said 64 atomics were not present
  thanks to mono_matsuko for the patch
---------------------------------------------------------------------------
Version 5.8.5  [V5-stable] (rgerhards/al), 2011-09-01
- bugfix/security: off-by-two bug in legacy syslog parser, CVE-2011-3200
- bugfix: mark message processing did not work correctly
- bugfix: potential hang condition during tag emulation
- bugfix: too-early string termination during tag emulation
- bugfix: The NUL-Byte for the syslogtag was not copied in MsgDup (msg.c)
- bugfix: fixed incorrect state handling for Discard Action (transactions)
  Note: This caused all messages in a batch to be set to COMMITTED, 
  even if they were discarded. 
---------------------------------------------------------------------------
Version 5.8.4  [V5-stable] (al), 2011-08-10
- bugfix: potential misadressing in property replacer
- bugfix: memcpy overflow can occur in allowed sender checkig
  if a name is resolved to IPv4-mapped-on-IPv6 address
  Found by Ismail Dönmez at suse
- bugfix: potential misadressing in property replacer
- bugfix: MSGID corruption in RFC5424 parser under some circumstances
  closes: http://bugzilla.adiscon.com/show_bug.cgi?id=275
---------------------------------------------------------------------------
Version 5.8.3  [V5-stable] (rgerhards), 2011-07-11
- systemd support: set stdout/stderr to null - thx to Lennart for the patch
- added support for the ":omusrmsg:" syntax in configuring user messages
- added support for the ":omfile:" syntax in configuring user messages
  Note: previous outchannel syntax will generate a warning message. This
  may be surprising to some users, but it is quite urgent to alert them
  of the new syntax as v6 can no longer support the previous one.
---------------------------------------------------------------------------
Version 5.8.2  [V5-stable] (rgerhards), 2011-06-21
- bugfix: problems in failover action handling
  closes: http://bugzilla.adiscon.com/show_bug.cgi?id=270
  closes: http://bugzilla.adiscon.com/show_bug.cgi?id=254
- bugfix: mutex was invalidly left unlocked during action processing
  At least one case where this can occur is during thread shutdown, which
  may be initiated by lower activity. In most cases, this is quite
  unlikely to happen. However, if it does, data structures may be 
  corrupted which could lead to fatal failure and segfault. I detected
  this via a testbench test, not a user report. But I assume that some
  users may have had unreproducable aborts that were cause by this bug.
- bugfix: memory leak in imtcp & subsystems under some circumstances
  This leak is tied to error conditions which lead to incorrect cleanup
  of some data structures. [backport from v6]
- bugfix/improvement:$WorkDirectory now gracefully handles trailing slashes
---------------------------------------------------------------------------
Version 5.8.1  [V5-stable] (rgerhards), 2011-05-19
- bugfix: invalid processing in QUEUE_FULL condition
  If the the multi-submit interface was used and a QUEUE_FULL condition
  occured, the failed message was properly destructed. However, the
  rest of the input batch, if it existed, was not processed. So this
  lead to potential loss of messages and a memory leak. The potential
  loss of messages was IMHO minor, because they would have been dropped
  in most cases due to the queue remaining full, but very few lucky ones
  from the batch may have made it. Anyhow, this has now been changed so
  that the rest of the batch is properly tried to be enqueued and, if
  not possible, destructed.
- new module mmsnmptrapd, a sample message modification module
  This can be useful to reformat snmptrapd messages and also serves as
  a sample for how to write message modification modules using the
  output module interface. Note that we introduced this new 
  functionality directly into the stable release, as it does not 
  modify the core and as such cannot have any side-effects if it is
  not used (and thus the risk is solely on users requiring that
  functionality).
- bugfix: rate-limiting inside imuxsock did not work 100% correct
  reason was that a global config variable was invalidly accessed where a
  listener variable should have been used.
  Also performance-improved the case when rate limiting is turned off (this
  is a very unintrusive change, thus done directly to the stable version).
- bugfix: $myhostname not available in RainerScript (and no error message)
  closes: http://bugzilla.adiscon.com/show_bug.cgi?id=233
- bugfix: memory and file descriptor leak in stream processing
  Leaks could occur under some circumstances if the file stream handler
  errored out during the open call. Among others, this could cause very
  big memory leaks if there were a problem with unreadable disk queue
  files. In regard to the memory leak, this
  closes: http://bugzilla.adiscon.com/show_bug.cgi?id=256
- bugfix: doc for impstats had wrong config statements
  also, config statements were named a bit inconsistent, resolved that
  problem by introducing an alias and only documenting the consistent
  statements
  Thanks to Marcin for bringing up this problem.
- bugfix: IPv6-address could not be specified in omrelp
  this was due to improper parsing of ":"
  closes: http://bugzilla.adiscon.com/show_bug.cgi?id=250
- bugfix: TCP connection invalidly aborted when messages needed to be
  discarded (due to QUEUE_FULL or similar problem)
- bugfix: $LocalHostName was not honored under all circumstances
  closes: http://bugzilla.adiscon.com/show_bug.cgi?id=258
- bugfix(minor): improper template function call in syslogd.c
---------------------------------------------------------------------------
Version 5.8.0  [V5-stable] (rgerhards), 2011-04-12

This is the new v5-stable branch, importing all feature from the 5.7.x
versions. To see what has changed in regard to the previous v5-stable,
check the Changelog for 5.7.x below.

- bugfix: race condition in deferred name resolution
  closes: http://bugzilla.adiscon.com/show_bug.cgi?id=238
  Special thanks to Marcin for his persistence in helping to solve this
  bug.
- bugfix: DA queue was never shutdown once it was started
  closes: http://bugzilla.adiscon.com/show_bug.cgi?id=241
---------------------------------------------------------------------------
Version 5.7.10  [V5-BETA] (rgerhards), 2011-03-29
- bugfix: ompgsql did not work properly with ANSI SQL strings
  closes: http://bugzilla.adiscon.com/show_bug.cgi?id=229
- bugfix: rsyslog did not build with --disable-regexp configure option
  closes: http://bugzilla.adiscon.com/show_bug.cgi?id=243
- bugfix: PRI was invalid on Solaris for message from local log socket
- enhance: added $BOM system property to ease writing byte order masks
- bugfix: RFC5424 parser confused by empty structured data
  closes: http://bugzilla.adiscon.com/show_bug.cgi?id=237
- bugfix: error return from strgen caused abort, now causes action to be
  ignored (just like a failed filter)
- new sample plugin for a strgen to generate sql statement consumable
  by a database plugin
- bugfix: strgen could not be used together with database outputs
  because the sql/stdsql option could not be specified. This has been
  solved by permitting the strgen to include the opton inside its name.
  closes: http://bugzilla.adiscon.com/show_bug.cgi?id=195
---------------------------------------------------------------------------
Version 5.7.9  [V5-BETA] (rgerhards), 2011-03-16
- improved testbench
  among others, life tests for ommysql (against a test database) have
  been added, valgrind-based testing enhanced, ...
- enhance: fallback *at runtime* to epoll_create if epoll_create1 is not
  available. Thanks to Michael Biebl for analysis and patch!
- bugfix: failover did not work correctly if repeated msg reduction was on
  closes: http://bugzilla.adiscon.com/show_bug.cgi?id=236
  affected directive was: $ActionExecOnlyWhenPreviousIsSuspended on
- bugfix: minor memory leak in omlibdbi (< 1k per instance and run)
- bugfix: (regression) omhdfs did no longer compile
- bugfix: omlibdbi did not use password from rsyslog.conf
  closes: http://bugzilla.adiscon.com/show_bug.cgi?id=203
---------------------------------------------------------------------------
Version 5.7.8  [V5-BETA] (rgerhards), 2011-03-09
- systemd support somewhat improved (can now take over existing log sockt)
- bugfix: discard action did not work under some circumstances
  fixes: http://bugzilla.adiscon.com/show_bug.cgi?id=217
- bugfix: file descriptor leak in gnutls netstream driver
  fixes: http://bugzilla.adiscon.com/show_bug.cgi?id=222
---------------------------------------------------------------------------
Version 5.7.7  [V5-BETA] (rgerhards), 2011-03-02
- bugfix: potential abort condition when $RepeatedMsgReduction set to on
  as well as potentially in a number of other places where MsgDup() was
  used. This only happened when the imudp input module was used and it
  depended on name resolution not yet had taken place. In other words,
  this was a strange problem that could lead to hard to diagnose 
  instability. So if you experience instability, chances are good that
  this fix will help.
---------------------------------------------------------------------------
Version 5.7.6  [V5-BETA] (rgerhards), 2011-02-25
- bugfix: fixed a memory leak and potential abort condition
  this could happen if multiple rulesets were used and some output batches
  contained messages belonging to more than one ruleset.
  fixes: http://bugzilla.adiscon.com/show_bug.cgi?id=226
  fixes: http://bugzilla.adiscon.com/show_bug.cgi?id=218
- bugfix: memory leak when $RepeatedMsgReduction on was used
  bug tracker: http://bugzilla.adiscon.com/show_bug.cgi?id=225
---------------------------------------------------------------------------
Version 5.7.5  [V5-BETA] (rgerhards), 2011-02-23
- enhance: imfile did not yet support multiple rulesets, now added
  we do this directly in the beta because a) it does not affect existing
  functionality and b) one may argue that this missing functionality is
  close to a bug.
- improved testbench, added tests for imuxsock
- bugfix: imuxsock did no longer sanitize received messages
  This was a regression from the imuxsock partial rewrite. Happened
  because the message is no longer run through the standard parsers. 
  bug tracker: http://bugzilla.adiscon.com/show_bug.cgi?id=224
- bugfix: minor race condition in action.c - considered cosmetic
  This is considered cosmetic as multiple threads tried to write exactly
  the same value into the same memory location without sync. The method
  has been changed so this can no longer happen.
---------------------------------------------------------------------------
Version 5.7.4  [V5-BETA] (rgerhards), 2011-02-17
- added pmsnare parser module (written by David Lang)
- enhanced imfile to support non-cancel input termination
- improved systemd socket activation thanks to Marius Tomaschweski
- improved error reporting for $WorkDirectory
  non-existance and other detectable problems are now reported,
  and the work directory is NOT set in this case
- bugfix: pmsnare causded abort under some conditions
- bugfix: abort if imfile reads file line of more than 64KiB
  Thanks to Peter Eisentraut for reporting and analysing this problem.
  bug tracker: http://bugzilla.adiscon.com/show_bug.cgi?id=221
- bugfix: queue engine did not properly slow down inputs in FULL_DELAY mode
  when in disk-assisted mode. This especially affected imfile, which
  created unnecessarily queue files if a large set of input file data was
  to process.
- bugfix: very long running actions could prevent shutdown under some
  circumstances. This has now been solved, at least for common
  situations.
- bugfix: fixed compile problem due to empty structs
  this occured only on some platforms/compilers. thanks to Dražen Kačar 
  for the fix
---------------------------------------------------------------------------
Version 5.7.3  [V5-BETA] (rgerhards), 2011-02-07
- added support for processing multi-line messages in imfile
- added $IMUDPSchedulingPolicy and $IMUDPSchedulingPriority config settings
- added $LocalHostName config directive
- bugfix: fixed build problems on some platforms
  namely those that have 32bit atomic operations but not 64 bit ones
- bugfix: local hostname was pulled too-early, so that some config 
  directives (namely FQDN settings) did not have any effect
- bugfix: imfile did duplicate messages under some circumstances
- added $OMMySQLConfigFile config directive
- added $OMMySQLConfigSection config directive
---------------------------------------------------------------------------
Version 5.7.2  [V5-DEVEL] (rgerhards), 2010-11-26
- bugfix(important): problem in TLS handling could cause rsyslog to loop
  in a tight loop, effectively disabling functionality and bearing the
  risk of unresponsiveness of the whole system.
  Bug tracker: http://bugzilla.adiscon.com/show_bug.cgi?id=194
- bugfix: imfile state file was not written when relative file name
  for it was specified
- bugfix: compile failed on systems without epoll_create1()
  Thanks to David Hill for providing a fix.
- bugfix: atomic increment for msg object may not work correct on all
  platforms. Thanks to Chris Metcalf for the patch
- bugfix: replacements for atomic operations for non-int sized types had
  problems. At least one instance of that problem could potentially lead
  to abort (inside omfile).
---------------------------------------------------------------------------
Version 5.7.1  [V5-DEVEL] (rgerhards), 2010-10-05
- support for Hadoop's HDFS added (via omhdfs)
- imuxsock now optionally use SCM_CREDENTIALS to pull the pid from the log
  socket itself
  (thanks to Lennart Poettering for the suggesting this feature)
- imuxsock now optionally uses per-process input rate limiting, guarding the
  user against processes spamming the system log
  (thanks to Lennart Poettering for suggesting this feature)
- added new config statements
  * $InputUnixListenSocketUsePIDFromSystem 
  * $SystemLogUsePIDFromSystem 
  * $SystemLogRateLimitInterval
  * $SystemLogRateLimitBurst
  * $SystemLogRateLimitSeverity
  * $IMUxSockRateLimitInterval
  * $IMUxSockRateLimitBurst
  * $IMUxSockRateLimitSeverity
- imuxsock now supports up to 50 different sockets for input
- some code cleanup in imuxsock (consider this a release a major
  modification, especially if problems show up)
- bugfix: /dev/log was unlinked even when passed in from systemd
  in which case it should be preserved as systemd owns it
---------------------------------------------------------------------------
Version 5.7.0  [V5-DEVEL] (rgerhards), 2010-09-16
- added module impstat to emit periodic statistics on rsyslog counters
- support for systemd officially added
  * acquire /dev/log socket optionally from systemd
    thanks to Lennart Poettering for this patch
  * sd-systemd API added as part of rsyslog runtime library
---------------------------------------------------------------------------
Version 5.6.5  [V5-STABLE] (rgerhards), 2011-03-22
- bugfix: failover did not work correctly if repeated msg reduction was on
  affected directive was: $ActionExecOnlyWhenPreviousIsSuspended on
- bugfix: omlibdbi did not use password from rsyslog.con
  closes: http://bugzilla.adiscon.com/show_bug.cgi?id=203
- bugfix(kind of): tell users that config graph can currently not be
  generated
  closes: http://bugzilla.adiscon.com/show_bug.cgi?id=232
- bugfix: discard action did not work under some circumstances
  fixes: http://bugzilla.adiscon.com/show_bug.cgi?id=217
  (backport from 5.7.8)
---------------------------------------------------------------------------
Version 5.6.4  [V5-STABLE] (rgerhards), 2011-03-03
- bugfix: potential abort condition when $RepeatedMsgReduction set to on
  as well as potentially in a number of other places where MsgDup() was
  used. This only happened when the imudp input module was used and it
  depended on name resolution not yet had taken place. In other words,
  this was a strange problem that could lead to hard to diagnose 
  instability. So if you experience instability, chances are good that
  this fix will help.
- bugfix: fixed a memory leak and potential abort condition
  this could happen if multiple rulesets were used and some output batches
  contained messages belonging to more than one ruleset.
  fixes: http://bugzilla.adiscon.com/show_bug.cgi?id=226
  fixes: http://bugzilla.adiscon.com/show_bug.cgi?id=218
- bugfix: memory leak when $RepeatedMsgReduction on was used
  bug tracker: http://bugzilla.adiscon.com/show_bug.cgi?id=225
---------------------------------------------------------------------------
Version 5.6.3  [V5-STABLE] (rgerhards), 2011-01-26
- bugfix: action processor released memory too early, resulting in
  potential issue in retry cases (but very unlikely due to another
  bug, which I also fixed -- only after the fix this problem here
  became actually visible).
- bugfix: batch processing flagged invalid message as "bad" under some
  circumstances
- bugfix: unitialized variable could cause issues under extreme conditions
  plus some minor nits. This was found after a clang static code analyzer
  analysis (great tool, and special thanks to Marcin for telling me about
  it!)
- bugfix: batches which had actions in error were not properly retried in
  all cases
- bugfix: imfile did duplicate messages under some circumstances
- bugfix: testbench was not activated if no Java was present on system
  ... what actually was a left-over. Java is no longer required.
---------------------------------------------------------------------------
Version 5.6.2  [V5-STABLE] (rgerhards), 2010-11-30
- bugfix: compile failed on systems without epoll_create1()
  Thanks to David Hill for providing a fix.
- bugfix: atomic increment for msg object may not work correct on all
  platforms. Thanks to Chris Metcalf for the patch
- bugfix: replacements for atomic operations for non-int sized types had
  problems. At least one instance of that problem could potentially lead
  to abort (inside omfile).
- added the $InputFilePersistStateInterval config directive to imfile
- changed imfile so that the state file is never deleted (makes imfile
  more robust in regard to fatal failures)
- bugfix: a slightly more informative error message when a TCP
  connections is aborted
---------------------------------------------------------------------------
Version 5.6.1  [V5-STABLE] (rgerhards), 2010-11-24
- bugfix(important): problem in TLS handling could cause rsyslog to loop
  in a tight loop, effectively disabling functionality and bearing the
  risk of unresponsiveness of the whole system.
  Bug tracker: http://bugzilla.adiscon.com/show_bug.cgi?id=194
- permitted imptcp to work on systems which support epoll(), but not
  epoll_create().
  Bug: http://bugzilla.adiscon.com/show_bug.cgi?id=204
  Thanks to Nicholas Brink for reporting this problem.
- bugfix: testbench failed if imptcp was not enabled
- bugfix: segfault when an *empty* template was used
  Bug: http://bugzilla.adiscon.com/show_bug.cgi?id=206
  Thanks to David Hill for alerting us.
- bugfix: compile failed with --enable-unlimited-select
  thanks varmojfekoj for the patch
---------------------------------------------------------------------------
Version 5.6.0  [V5-STABLE] (rgerhards), 2010-10-19

This release brings all changes and enhancements of the 5.5.x series
to the v5-stable branch.

- bugfix: a couple of problems that imfile had on some platforms, namely
  Ubuntu (not their fault, but occured there)
- bugfix: imfile utilizes 32 bit to track offset. Most importantly,
  this problem can not experienced on Fedora 64 bit OS (which has
  64 bit long's!)
---------------------------------------------------------------------------
Version 5.5.7  [V5-BETA] (rgerhards), 2010-08-09
- changed omudpspoof default spoof address to simplify typical use case
  thanks to David Lang for suggesting this
- doc bugfix: pmlastmsg doc samples had errors
- bugfix[minor]: pmrfc3164sd had invalid name (resided in rsyslog name 
  space, what should not be the case for a contributed module)
- added omuxsock, which permits to write message to local Unix sockets
  this is the counterpart to imuxsock, enabling fast local forwarding
---------------------------------------------------------------------------
Version 5.5.6  [DEVEL] (rgerhards), 2010-07-21
- added parser modules
  * pmlastmsg, which supports the notoriously malformed "last message
    repeated n times" messages from some syslogd's (namely sysklogd)
  * pmrfc3164sd (contributed), supports RFC5424 structured data in 
    RFC3164 messages [untested]
- added new module type "string generator", used to speed up output
  processing. Expected speedup for (typical) rsyslog processing is
  roughly 5 to 6 percent compared to using string-based templates.
  They may also be used to do more complex formatting with custom
  C code, what provided greater flexibility and probably far higher
  speed, for example if using multiple regular expressions within a 
  template.
- added 4 string generators for
  * RSYSLOG_FileFormat
  * RSYSLOG_TraditionalFileFormat
  * RSYSLOG_ForwardFormat
  * RSYSLOG_TraditionalForwardFormat
- bugfix: mutexes used to simulate atomic instructions were not destructed
- bugfix: regression caused more locking action in msg.c than necessary
- bugfix: "$ActionExecOnlyWhenPreviousIsSuspended on" was broken
- bugfix: segfault on HUP when "HUPIsRestart" was set to "on"
  thanks varmojfekoj for the patch
- bugfix: default for $OMFileFlushOnTXEnd was wrong ("off").
  This, in default mode, caused buffered writing to be used, what
  means that it looked like no output were written or partial
  lines. Thanks to Michael Biebl for pointing out this bug.
- bugfix: programname filter in ! configuration can not be reset
  Thanks to Kiss Gabor for the patch.
---------------------------------------------------------------------------
Version 5.5.5  [DEVEL] (rgerhards), 2010-05-20
- added new cancel-reduced action thread termination method
  We now manage to cancel threads that block inside a retry loop to
  terminate without the need to cancel the thread. Avoiding cancellation
  helps keep the system complexity minimal and thus provides for better
  stability. This also solves some issues with improper shutdown when
  inside an action retry loop.
---------------------------------------------------------------------------
Version 5.5.4  [DEVEL] (rgerhards), 2010-05-03
- This version offers full support for Solaris on Intel and Sparc
- bugfix: problems with atomic operations emulation
  replaced atomic operation emulation with new code. The previous code
  seemed to have some issue and also limited concurrency severely. The
  whole atomic operation emulation has been rewritten.
- bugfix: netstream ptcp support class was not correctly build on systems
  without epoll() support
- bugfix: segfault on Solaris/Sparc
---------------------------------------------------------------------------
Version 5.5.3  [DEVEL] (rgerhards), 2010-04-09
- added basic but functional support for Solaris
- imported many bugfixes from 3.6.2/4.6.1 (see ChangeLog below!)
- added new property replacer option "date-rfc3164-buggyday" primarily
  to ease migration from syslog-ng. See property replacer doc for
  details.
- added capability to turn off standard LF delimiter in TCP server
  via new directive "$InputTCPServerDisableLFDelimiter on"
- bugfix: failed to compile on systems without epoll support
- bugfix: comment char ('#') in literal terminated script parsing
  and thus could not be used.
  but tracker: http://bugzilla.adiscon.com/show_bug.cgi?id=119
  [merged in from v3.22.2]
- imported patches from 4.6.0:
  * improved testbench to contain samples for totally malformed messages
    which miss parts of the message content
  * bugfix: some malformed messages could lead to a missing LF inside files
    or some other missing parts of the template content.
  * bugfix: if a message ended immediately with a hostname, the hostname
    was mistakenly interpreted as TAG, and localhost be used as hostname
---------------------------------------------------------------------------
Version 5.5.2  [DEVEL] (rgerhards), 2010-02-05
- applied patches that make rsyslog compile under Apple OS X.
  Thanks to trey for providing these.
- replaced data type "bool" by "sbool" because this created some
  portability issues.
- added $Escape8BitCharactersOnReceive directive
  Thanks to David Lang for suggesting it.
- worked around an issue where omfile failed to compile on 32 bit platforms
  under some circumstances (this smells like a gcc problem, but a simple
  solution was available). Thanks to Kenneth Marshall for some advice.
- extended testbench
---------------------------------------------------------------------------
Version 5.5.1  [DEVEL] (rgerhards), 2009-11-27
- introduced the ablity for netstream drivers to utilize an epoll interface
  This offers increased performance and removes the select() FDSET size
  limit from imtcp. Note that we fall back to select() if there is no
  epoll netstream drivers. So far, an epoll driver has only been
  implemented for plain tcp syslog, the rest will follow once the code
  proves well in practice AND there is demand.
- re-implemented $EscapeControlCharacterTab config directive
  Based on Jonathan Bond-Caron's patch for v4. This now also includes some
  automatted tests.
- bugfix: enabling GSSServer crashes rsyslog startup
  Thanks to Tomas Kubina for the patch [imgssapi]
- bugfix (kind of): check if TCP connection is still alive if using TLS
  Thanks to Jonathan Bond-Caron for the patch.
---------------------------------------------------------------------------
Version 5.5.0  [DEVEL] (rgerhards), 2009-11-18
- moved DNS resolution code out of imudp and into the backend processing
  Most importantly, DNS resolution now never happens if the resolved name
  is not required. Note that this applies to imudp - for the other inputs,
  DNS resolution almost comes for free, so we do not do it there. However,
  the new method has been implemented in a generic way and as such may 
  also be used by other modules in the future.
- added option to use unlimited-size select() calls
  Thanks to varmjofekoj for the patch
  This is not done in imudp, as it natively supports epoll().
- doc: improved description of what loadable modules can do
---------------------------------------------------------------------------
Version 5.4.2  [v5-stable] (rgerhards), 2010-03-??
- bugfix(kind of): output plugin retry behaviour could cause engine to loop
  The rsyslog engine did not guard itself against output modules that do
  not properly convey back the tryResume() behaviour. This then leads to
  what looks like an endless loop. I consider this to be a bug of the 
  engine not only because it should be hardened against plugin misbehaviour,
  but also because plugins may not be totally able to avoid this situation
  (depending on the type of and processing done by the plugin).
- bugfix: testbench failed when not executed in UTC+1 timezone
  accidently, the time zone information was kept inside some
  to-be-checked-for responses
- temporary bugfix replaced by permanent one for
  message-induced off-by-one error (potential segfault) (see 4.6.2)
  The analysis has been completed and a better fix been crafted and 
  integrated.
- bugfix(minor): status variable was uninitialized
  However, this would have caused harm only if NO parser modules at
  all were loaded, which would lead to a defunctional configuration
  at all. And, even more important, this is impossible as two parser
  modules are built-in and thus can not be "not loaded", so we always
  have a minimum of two.
---------------------------------------------------------------------------
Version 5.4.1  [v5-stable] (rgerhards), 2010-03-??
- added new property replacer option "date-rfc3164-buggyday" primarily
  to ease migration from syslog-ng. See property replacer doc for
  details. [backport from 5.5.3 because urgently needed by some]
- imported all bugfixes vom 4.6.2 (see below)
---------------------------------------------------------------------------
Version 5.4.0  [v5-stable] (rgerhards), 2010-03-08
***************************************************************************
* This is a new stable v5 version. It contains all fixes and enhancements *
* made during the 5.3.x phase as well as those listed below.              *
* Note that the 5.2.x series was quite buggy and as such all users are    *
* strongly advised to upgrade to 5.4.0.                                   *
***************************************************************************
- bugfix: omruleset failed to work in many cases
  bug tracker: http://bugzilla.adiscon.com/show_bug.cgi?id=179
  Thanks to Ryan B. Lynch for reporting this issue.
- bugfix: comment char ('#') in literal terminated script parsing
  and thus could not be used.
  but tracker: http://bugzilla.adiscon.com/show_bug.cgi?id=119
  [merged in from v3.22.2]
---------------------------------------------------------------------------
Version 5.3.7  [BETA] (rgerhards), 2010-01-27
- bugfix: queues in direct mode could case a segfault, especially if an
  action failed for action queues. The issue was an invalid increment of
  a stack-based pointer which lead to destruction of the stack frame and
  thus a segfault on function return.
  Thanks to Michael Biebl for alerting us on this problem.
- bugfix: hostname accidently set to IP address for some message sources,
  for example imudp. Thanks to Anton for reporting this bug. [imported v4]
- bugfix: ompgsql had problems with transaction support, what actually 
  rendered it unsuable. Thanks to forum user "horhe" for alerting me
  on this bug and helping to debug/fix it! [imported from 5.3.6]
- bugfix: $CreateDirs variable not properly initialized, default thus
  was random (but most often "on") [imported from v3]
- bugfix: potential segfaults during queue shutdown
  (bugs require certain non-standard settings to appear)
  Thanks to varmojfekoj for the patch [imported from 4.5.8]
  [backport from 5.5.2]
- bugfix: wrong memory assignment for a config variable (probably
  without causing any harm) [backport from 5.2.2]
- bugfix: rsyslog hangs when writing to a named pipe which nobody was
  reading. Thanks to Michael Biebl for reporting this bug.
  Bugzilla entry: http://bugzilla.adiscon.com/show_bug.cgi?id=169
  [imported from 4.5.8]
---------------------------------------------------------------------------
Version 5.3.6  [BETA] (rgerhards), 2010-01-13
- bugfix: ompgsql did not properly check the server connection in
  tryResume(), which could lead to rsyslog running in a thight loop
- bugfix: suspension during beginTransaction() was not properly handled
  by rsyslog core
- bugfix: omfile output was only written when buffer was full, not at
  end of transaction
- bugfix: commit transaction was not properly conveyed to message layer,
  potentially resulting in non-message destruction and thus hangs
- bugfix: enabling GSSServer crashes rsyslog startup
  Thanks to Tomas Kubina for the patch [imgssapi]
- bugfix (kind of): check if TCP connection is still alive if using TLS
  Thanks to Jonathan Bond-Caron for the patch.
- bugfix: $CreateDirs variable not properly initialized, default thus
  was random (but most often "on") [imported from v3]
- bugfix: ompgsql had problems with transaction support, what actually 
  rendered it unsuable. Thanks to forum user "horhe" for alerting me
  on this bug and helping to debug/fix it!
- bugfix: memory leak when sending messages in zip-compressed format
  Thanks to Naoya Nakazawa for analyzing this issue and providing a patch.
- worked around an issue where omfile failed to compile on 32 bit platforms
  under some circumstances (this smells like a gcc problem, but a simple
  solution was available). Thanks to Kenneth Marshall for some advice.
  [backported from 5.5.x branch]
---------------------------------------------------------------------------
Version 5.3.5  [BETA] (rgerhards), 2009-11-13
- some light performance enhancement by replacing time() call with much
  faster (at least under linux) gettimeofday() calls.
- some improvement of omfile performance with dynafiles
  saved costly time() calls by employing a logical clock, which is 
  sufficient for the use case
- bugfix: omudpspoof miscalculated source and destination ports
  while this was probably not noticed for source ports, it resulted in
  almost all destination ports being wrong, except for the default port
  of 514, which by virtue of its binary representation was calculated 
  correct (and probably thus the bug not earlier detected).
- bugfixes imported from earlier releases
  * bugfix: named pipes did no longer work (they always got an open error)
    this was a regression from the omfile rewrite in 4.5.0
  * bugfix(testbench): sequence check was not always performed correctly,
    that could result in tests reporting success when they actually failed
- improved testbench: added tests for UDP forwarding and omudpspoof
- doc bugfix: omudpspoof had wrong config command names ("om" missing)
- bugfix [imported from 4.4.3]: $ActionExecOnlyOnceEveryInterval did
  not work.
- [inport v4] improved testbench, contains now tcp and gzip test cases
- [import v4] added a so-called "On Demand Debug" mode, in which debug
  output can be generated only after the process has started, but not right
  from the beginning. This is assumed to be useful for hard-to-find bugs.
  Also improved the doc on the debug system.
- bugfix: segfault on startup when -q or -Q option was given
  [imported from v3-stable]
---------------------------------------------------------------------------
Version 5.3.4  [DEVEL] (rgerhards), 2009-11-04
- added the ability to create custom message parsers
- added $RulesetParser config directive that permits to bind specific
  parsers to specific rulesets
- added omruleset output module, which provides great flexibility in 
  action processing. THIS IS A VERY IMPORTANT ADDITION, see its doc
  for why.
- added the capability to have ruleset-specific main message queues
  This offers considerable additional flexibility AND superior performance
  (in cases where multiple inputs now can avoid lock contention)
- bugfix: correct default for escape ('#') character restored
  This was accidently changed to '\\', thanks to David Lang for reporting
- bugfix(testbench): testcase did not properly wait for rsyslogd shutdown
  thus some unpredictable behavior and a false negative test result
  could occur.
---------------------------------------------------------------------------
Version 5.3.3  [DEVEL] (rgerhards), 2009-10-27
- simplified and thus speeded up the queue engine, also fixed some
  potential race conditions (in very unusual shutdown conditions)
  along the way. The threading model has seriously changes, so there may
  be some regressions.
- enhanced test environment (inlcuding testbench): support for enhancing
  probability of memory addressing failure by using non-NULL default
  value for malloced memory (optional, only if requested by configure
  option). This helps to track down some otherwise undetected issues
  within the testbench.
- bugfix: potential abort if inputname property was not set 
  primarily a problem of imdiag
- bugfix: message processing states were not set correctly in all cases
  however, this had no negative effect, as the message processing state
  was not evaluated when a batch was deleted, and that was the only case
  where the state could be wrong.
---------------------------------------------------------------------------
Version 5.3.2  [DEVEL] (rgerhards), 2009-10-21
- enhanced omfile to support transactional interface. This will increase
  performance in many cases.
- added multi-ruleset support to imudp
- re-enabled input thread termination handling that does avoid thread
  cancellation where possible. This provides a more reliable mode of
  rsyslogd termination (canceling threads my result in not properly
  freed resouces and potential later hangs, even though we perform
  proper cancel handling in our code). This is part of an effort to
  reduce thread cancellation as much as possible in rsyslog.
  NOTE: the code previously written code for this functionality had a
  subtle race condition. The new code solves that.
- enhanced immark to support non-cancel input module termination
- improved imudp so that epoll can be used in more environments,
  fixed potential compile time problem if EPOLL_CLOEXEC is not available.
- some cleanup/slight improvement:
  * changed imuxsock to no longer use deprecated submitAndParseMsg() IF
  * changed submitAndParseMsg() interface to be a wrapper around the new
    way of message creation/submission. This enables older plugins to be
    used together with the new interface. The removal also enables us to
    drop a lot of duplicate code, reducing complexity and increasing
    maintainability.
- bugfix: segfault when starting up with an invalid .qi file for a disk queue
  Failed for both pure disk as well as DA queues. Now, we emit an error
  message and disable disk queueing facility.
- bugfix: potential segfault on messages with empty MSG part. This was a
  recently introduced regression.
- bugfix: debug string larger than 1K were improperly displayed. Max size
  is now 32K, and if a string is even longer it is meaningfully truncated.
---------------------------------------------------------------------------
Version 5.3.1  [DEVEL] (rgerhards), 2009-10-05
- added $AbortOnUncleanConfig directive - permits to prevent startup when
  there are problems with the configuration file. See it's doc for
  details.
- included some important fixes from v4-stable:
  * bugfix: invalid handling of zero-sized messages
  * bugfix: zero-sized UDP messages are no longer processed
  * bugfix: random data could be appended to message
  * bugfix: reverse lookup reduction logic in imudp do DNS queries too often
- bugfixes imported from 4.5.4:
  * bugfix: potential segfault in stream writer on destruction
  * bugfix: potential race in object loader (obj.c) during use/release
  * bugfixes: potential problems in out file zip writer
---------------------------------------------------------------------------
Version 5.3.0  [DEVEL] (rgerhards), 2009-09-14
- begun to add simple GUI programs to gain insight into running rsyslogd
  instances and help setup and troubleshooting (active via the
  --enable-gui ./configure switch)
- changed imudp to utilize epoll(), where available. This shall provide
  slightly better performance (just slightly because we called select()
  rather infrequently on a busy system)
---------------------------------------------------------------------------
Version 5.2.2  [v5-stable] (rgerhards), 2009-11-??
- bugfix: enabling GSSServer crashes rsyslog startup
  Thanks to Tomas Kubina for the patch [imgssapi]
---------------------------------------------------------------------------
Version 5.2.1  [v5-stable] (rgerhards), 2009-11-02
- bugfix [imported from 4.4.3]: $ActionExecOnlyOnceEveryInterval did
  not work.
- bugfix: segfault on startup when -q or -Q option was given
  [imported from v3-stable]
---------------------------------------------------------------------------
Version 5.2.0  [v5-stable] (rgerhards), 2009-11-02
This is a re-release of version 5.1.6 as stable after we did not get any bug 
reports during the whole beta phase. Still, this first v5-stable may not be 
as stable as one hopes for, I am not sure if we did not get bug reports
just because nobody tried it. Anyhow, we need to go forward and so we
have the initial v5-stable.
---------------------------------------------------------------------------
Version 5.1.6  [v5-beta] (rgerhards), 2009-10-15
- feature imports from v4.5.6
- bugfix: potential race condition when queue worker threads were
  terminated
- bugfix: solved potential (temporary) stall of messages when the queue was
  almost empty and few new data added (caused testbench to sometimes hang!)
- fixed some race condition in testbench
- added more elaborate diagnostics to parts of the testbench
- bugfixes imported from 4.5.4:
  * bugfix: potential segfault in stream writer on destruction
  * bugfix: potential race in object loader (obj.c) during use/release
  * bugfixes: potential problems in out file zip writer
- included some important fixes from 4.4.2:
  * bugfix: invalid handling of zero-sized messages
  * bugfix: zero-sized UDP messages are no longer processed
  * bugfix: random data could be appended to message
  * bugfix: reverse lookup reduction logic in imudp do DNS queries too often
---------------------------------------------------------------------------
Version 5.1.5  [v5-beta] (rgerhards), 2009-09-11
- added new config option $ActionWriteAllMarkMessages
  this option permites to process mark messages under all circumstances,
  even if an action was recently called. This can be useful to use mark
  messages as a kind of heartbeat.
- added new config option $InputUnixListenSocketCreatePath
  to permit the auto-creation of pathes to additional log sockets. This
  turns out to be useful if they reside on temporary file systems and
  rsyslogd starts up before the daemons that create these sockets
  (rsyslogd always creates the socket itself if it does not exist).
- added $LogRSyslogStatusMessages configuration directive
  permitting to turn off rsyslog start/stop/HUP messages. See Debian
  ticket http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=463793
- bugfix: hostnames with dashes in them were incorrectly treated as
  malformed, thus causing them to be treated as TAG (this was a regression
  introduced from the "rfc3164 strict" change in 4.5.0). Testbench has been
  updated to include a smaple message with a hostname containing a dash.
- bugfix: strings improperly reused, resulting in some message properties
  be populated with strings from previous messages. This was caused by
  an improper predicate check.
- added new config directive $omfileForceChown [import from 4.7.0]
---------------------------------------------------------------------------
Version 5.1.4  [DEVEL] (rgerhards), 2009-08-20
- legacy syslog parser changed so that it now accepts date stamps in
  wrong case. Some devices seem to create them and I do not see any harm
  in supporting that.
- added $InputTCPMaxListeners directive - permits to specify how many 
  TCP servers shall be possible (default is 20).
- bugfix: memory leak with some input modules. Those inputs that
  use parseAndSubmitMsg() leak two small memory blocks with every message.
  Typically, those process only relatively few messages, so the issue 
  does most probably not have any effect in practice.
- bugfix: if tcp listen port could not be created, no error message was
  emitted
- bugfix: discard action did not work (did not discard messages)
- bugfix: discard action caused segfault
- bugfix: potential segfault in output file writer (omfile)
  In async write mode, we use modular arithmetic to index the output
  buffer array. However, the counter variables accidently were signed,
  thus resulting in negative indizes after integer overflow. That in turn
  could lead to segfaults, but was depending on the memory layout of 
  the instance in question (which in turn depended on a number of
  variables, like compile settings but also configuration). The counters
  are now unsigned (as they always should have been) and so the dangling
  mis-indexing does no longer happen. This bug potentially affected all
  installations, even if only some may actually have seen a segfault.
---------------------------------------------------------------------------
Version 5.1.3  [DEVEL] (rgerhards), 2009-07-28
- architecture change: queue now always has at least one worker thread
  if not running in direct mode. Previous versions could run without 
  any active workers. This simplifies the code at a very small expense.
  See v5 compatibility note document for more in-depth discussion.
- enhance: UDP spoofing supported via new output module omudpspoof
  See the omudpspoof documentation for details and samples
- bugfix: message could be truncated after TAG, often when forwarding
  This was a result of an internal processing error if maximum field
  sizes had been specified in the property replacer.
- bugfix: minor static memory leak while reading configuration
  did NOT leak based on message volume
- internal: added ability to terminate input modules not via pthread_cancel
  but an alternate approach via pthread_kill. This is somewhat safer as we
  do not need to think about the cancel-safeness of all libraries we use.
  However, not all inputs can easily supported, so this now is a feature
  that can be requested by the input module (the most important ones
  request it).
---------------------------------------------------------------------------
Version 5.1.2  [DEVEL] (rgerhards), 2009-07-08
- bugfix: properties inputname, fromhost, fromhost-ip, msg were lost when
  working with disk queues
- some performance enhancements
- bugfix: abort condition when RecvFrom was not set and message reduction
  was on. Happend e.g. with imuxsock.
- added $klogConsoleLogLevel directive which permits to set a new
  console log level while rsyslog is active
- some internal code cleanup
---------------------------------------------------------------------------
Version 5.1.1  [DEVEL] (rgerhards), 2009-07-03
- bugfix: huge memory leak in queue engine (made rsyslogd unusable in
  production). Occured if at least one queue was in direct mode 
  (the default for action queues)
- imported many performance optimizations from v4-devel (4.5.0)
- bugfix: subtle (and usually irrelevant) issue in timout processing
  timeout could be one second too early if nanoseconds wrapped
- set a more sensible timeout for shutdow, now 1.5 seconds to complete
  processing (this also removes those cases where the shutdown message
  was not written because the termination happened before it)
---------------------------------------------------------------------------
Version 5.1.0  [DEVEL] (rgerhards), 2009-05-29

*********************************** NOTE **********************************
The v5 versions of rsyslog feature a greatly redesigned queue engine. The
major theme for the v5 release is twofold:

a) greatly improved performance
b) enable audit-grade processing

Here, audit-grade processing means that rsyslog, if used together with
audit-grade transports and configured correctly, will never lose messages
that already have been acknowledged, not even in fatal failure cases like
sudden loss of power.

Note that large parts of rsyslog's important core components have been
restructured to support these design goals. As such, early versions of
the engine will probably be less stable than the v3/v4 engine.

Also note that the initial versions do not cover all and everything. As
usual, the code will evolve toward the final goal as version numbers
increase.
*********************************** NOTE **********************************

- redesigned queue engine so that it supports ultra-reliable operations
  This resulted in a rewrite of large parts. The new capability can be
  used to build audit-grade systems on the basis of rsyslog.
- added $MainMsgQueueDequeueBatchSize and $ActionQueueDequeueBatchSize 
  configuration directives
- implemented a new transactional output module interface which provides
  superior performance (for databases potentially far superior performance)
- increased ompgsql performance by adapting to new transactional
  output module interface
---------------------------------------------------------------------------
Version 4.8.1  [v4-stable], 2011-09-??
- increased max config file line size to 64k
  We now also emit an error message if even 64k is not enough (not
  doing so previously may rightfully be considered as a bug)
- bugfix: omprog made rsyslog abort on startup if not binary to
  execute was configured
- bugfix: $ActionExecOnlyOnce interval did not work properly
  Thanks to Tomas Heinrich for the patch
- bugfix: potential abort if ultra-large file io buffers are used and
  dynafile cache exhausts address space (primarily a problem on 32 bit
  platforms)
- bugfix: potential abort after reading invalid X.509 certificate
  closes: http://bugzilla.adiscon.com/show_bug.cgi?id=290
  Thanks to Tomas Heinrich for the patch.
- bugfix: potential fatal abort in omgssapi
  Thanks to Tomas Heinrich for the patch.
- added doc for omprog
- FQDN hostname for multihomed host was not always set to the correct name
  if multiple aliases existed. Thanks to Tomas Heinreich for the patch.
- re-licensed larger parts of the codebase under the Apache license 2.0
---------------------------------------------------------------------------
Version 4.8.0  [v4-stable] (rgerhards), 2011-09-07
***************************************************************************
* This is a new stable v4 version. It contains all fixes and enhancements *
* made during the 4.7.x phase as well as those listed below.              *
* Note: major new development to v4 is concluded  and will only be done   *
*       for custom projects.                                              *
***************************************************************************
There are no changes compared to 4.7.5, just a re-release with the new
version number as new v4-stable. The most important new feature is Solaris
support.
---------------------------------------------------------------------------
Version 4.7.5  [v4-beta], 2011-09-01
- bugfix/security: off-by-two bug in legacy syslog parser, CVE-2011-3200
- bugfix: potential misadressing in property replacer
- bugfix: The NUL-Byte for the syslogtag was not copied in MsgDup (msg.c)
---------------------------------------------------------------------------
Version 4.7.4  [v4-beta] (rgerhards), 2011-07-11
- added support for the ":omusrmsg:" syntax in configuring user messages
- added support for the ":omfile:" syntax in configuring user messages
- added $LocalHostName config directive
- bugfix: PRI was invalid on Solaris for message from local log socket
Version 4.7.3  [v4-devel] (rgerhards), 2010-11-25
- added omuxsock, which permits to write message to local Unix sockets
  this is the counterpart to imuxsock, enabling fast local forwarding
- added imptcp, a simplified, Linux-specific and potentielly fast
  syslog plain tcp input plugin (NOT supporting TLS!)
- bugfix: a couple of problems that imfile had on some platforms, namely
  Ubuntu (not their fault, but occured there)
- bugfix: imfile utilizes 32 bit to track offset. Most importantly,
  this problem can not experienced on Fedora 64 bit OS (which has
  64 bit long's!)
- added the $InputFilePersistStateInterval config directive to imfile
- changed imfile so that the state file is never deleted (makes imfile
  more robust in regard to fatal failures)
---------------------------------------------------------------------------
Version 4.7.2  [v4-devel] (rgerhards), 2010-05-03
- bugfix: problems with atomic operations emulaton
  replaced atomic operation emulation with new code. The previous code
  seemed to have some issue and also limited concurrency severely. The
  whole atomic operation emulation has been rewritten.
- added new $Sleep directive to hold processing for a couple of seconds
  during startup
- bugfix: programname filter in ! configuration can not be reset
  Thanks to Kiss Gabor for the patch.
---------------------------------------------------------------------------
Version 4.7.1  [v4-devel] (rgerhards), 2010-04-22
- Solaris support much improved -- was not truely usable in 4.7.0
  Solaris is no longer supported in imklog, but rather there is a new
  plugin imsolaris, which is used to pull local log sources on a Solaris
  machine.
- testbench improvement: Java is no longer needed for testing tool creation
---------------------------------------------------------------------------
Version 4.7.0  [v4-devel] (rgerhards), 2010-04-14
- new: support for Solaris added (but not yet the Solaris door API)
- added function getenv() to RainerScript
- added new config option $InputUnixListenSocketCreatePath
  to permit the auto-creation of pathes to additional log sockets. This
  turns out to be useful if they reside on temporary file systems and
  rsyslogd starts up before the daemons that create these sockets
  (rsyslogd always creates the socket itself if it does not exist).
- added $LogRSyslogStatusMessages configuration directive
  permitting to turn off rsyslog start/stop/HUP messages. See Debian
  ticket http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=463793
- added new config directive $omfileForceChown to (try to) fix some broken
  system configs.
  See ticket for details: http://bugzilla.adiscon.com/show_bug.cgi?id=150
- added $EscapeControlCharacterTab config directive
  Thanks to Jonathan Bond-Caron for the patch.
- added option to use unlimited-size select() calls
  Thanks to varmjofekoj for the patch
- debugondemand mode caused backgrounding to fail - close to a bug, but I'd
  consider the ability to background in this mode a new feature...
- bugfix (kind of): check if TCP connection is still alive if using TLS
  Thanks to Jonathan Bond-Caron for the patch.
- imported changes from 4.5.7 and below
- bugfix: potential segfault when -p command line option was used
  Thanks for varmojfekoj for pointing me at this bug.
- imported changes from 4.5.6 and below
---------------------------------------------------------------------------
Version 4.6.8  [v4-stable] (rgerhards), 2011-09-01
- bugfix/security: off-by-two bug in legacy syslog parser, CVE-2011-3200
- bugfix: potential misadressing in property replacer
- bugfix: memcpy overflow can occur in allowed sender checking
  if a name is resolved to IPv4-mapped-on-IPv6 address
  Found by Ismail Dönmez at suse
- bugfix: The NUL-Byte for the syslogtag was not copied in MsgDup (msg.c)
---------------------------------------------------------------------------
Version 4.6.7  [v4-stable] (rgerhards), 2011-07-11
- added support for the ":omusrmsg:" syntax in configuring user messages
- added support for the ":omfile:" syntax in configuring user messages
---------------------------------------------------------------------------
Version 4.6.6  [v4-stable] (rgerhards), 2011-06-24
- bugfix: memory leak in imtcp & subsystems under some circumstances
  This leak is tied to error conditions which lead to incorrect cleanup
  of some data structures. [backport from v6, limited testing under v4]
- bugfix: invalid processing in QUEUE_FULL condition
  If the the multi-submit interface was used and a QUEUE_FULL condition
  occured, the failed message was properly destructed. However, the
  rest of the input batch, if it existed, was not processed. So this
  lead to potential loss of messages and a memory leak. The potential
  loss of messages was IMHO minor, because they would have been dropped
  in most cases due to the queue remaining full, but very few lucky ones
  from the batch may have made it. Anyhow, this has now been changed so
  that the rest of the batch is properly tried to be enqueued and, if
  not possible, destructed.
- bugfix: invalid storage type for config variables
- bugfix: stream driver mode was not correctly set on tcp ouput on big
  endian systems.
  thanks varmojfekoj for the patch
- bugfix: IPv6-address could not be specified in omrelp
  this was due to improper parsing of ":"
  closes: http://bugzilla.adiscon.com/show_bug.cgi?id=250
- bugfix: memory and file descriptor leak in stream processing
  Leaks could occur under some circumstances if the file stream handler
  errored out during the open call. Among others, this could cause very
  big memory leaks if there were a problem with unreadable disk queue
  files. In regard to the memory leak, this
  closes: http://bugzilla.adiscon.com/show_bug.cgi?id=256
- bugfix: imfile potentially duplicates lines
  This can happen when 0 bytes are read from the input file, and some
  writer appends data to the file BEFORE we check if a rollover happens.
  The check for rollover uses the inode and size as a criterion. So far,
  we checked for equality of sizes, which is not given in this scenario,
  but that does not indicate a rollover. From the source code comments:
     Note that when we check the size, we MUST NOT check for equality.
     The reason is that the file may have been written right after we
     did try to read (so the file size has increased). That is NOT in
     indicator of a rollover (this is an actual bug scenario we 
     experienced). So we need to check if the new size is smaller than
     what we already have seen!
  Also, under some circumstances an invalid truncation was detected. This
  code has now been removed, a file change (and thus resent) is only
  detected if the inode number changes.
- bugfix: a couple of problems that imfile had on some platforms, namely
  Ubuntu (not their fault, but occured there)
- bugfix: imfile utilizes 32 bit to track offset. Most importantly,
  this problem can not experienced on Fedora 64 bit OS (which has
  64 bit long's!)
- bugfix: abort if imfile reads file line of more than 64KiB
  Thanks to Peter Eisentraut for reporting and analysing this problem.
  bug tracker: http://bugzilla.adiscon.com/show_bug.cgi?id=221
- bugfix: omlibdbi did not use password from rsyslog.con
  closes: http://bugzilla.adiscon.com/show_bug.cgi?id=203
- bugfix: TCP connection invalidly aborted when messages needed to be
  discarded (due to QUEUE_FULL or similar problem)
- bugfix: a slightly more informative error message when a TCP
  connections is aborted
- bugfix: timestamp was incorrectly calculated for timezones with minute
  offset
  closes: http://bugzilla.adiscon.com/show_bug.cgi?id=271
- some improvements thanks to clang's static code analyzer
  o overall cleanup (mostly unnecessary writes and otherwise unused stuff)
  o bugfix: fixed a very remote problem in msg.c which could occur when
    running under extremely low memory conditions
---------------------------------------------------------------------------
Version 4.6.5  [v4-stable] (rgerhards), 2010-11-24
- bugfix(important): problem in TLS handling could cause rsyslog to loop
  in a tight loop, effectively disabling functionality and bearing the
  risk of unresponsiveness of the whole system.
  Bug tracker: http://bugzilla.adiscon.com/show_bug.cgi?id=194
---------------------------------------------------------------------------
Version 4.6.4  [v4-stable] (rgerhards), 2010-08-05
- bugfix: zero-sized (empty) messages were processed by imtcp
  they are now dropped as they always should have been
- bugfix: programname filter in ! configuration can not be reset
  Thanks to Kiss Gabor for the patch.
---------------------------------------------------------------------------
Version 4.6.3  [v4-stable] (rgerhards), 2010-07-07
- improvded testbench
  - added test with truly random data received via syslog to test
    robustness
  - added new configure option that permits to disable and enable an
    extended testbench
- bugfix: segfault on HUP when "HUPIsRestart" was set to "on"
  thanks varmojfekoj for the patch
- bugfix: default for $OMFileFlushOnTXEnd was wrong ("off").
  This, in default mode, caused buffered writing to be used, what
  means that it looked like no output were written or partial
  lines. Thanks to Michael Biebl for pointing out this bug.
- bugfix: testbench failed when not executed in UTC+1 timezone
  accidently, the time zone information was kept inside some
  to-be-checked-for responses
- temporary bugfix replaced by permanent one for
  message-induced off-by-one error (potential segfault) (see 4.6.2)
  The analysis has been completed and a better fix been crafted and 
  integrated.
- bugfix: the T/P/E config size specifiers did not work properly under
  all 32-bit platforms
- bugfix: local unix system log socket was deleted even when it was
  not configured
- some doc fixes; incorrect config samples could cause confusion
  thanks to Anthony Edwards for pointing the problems out
---------------------------------------------------------------------------
Version 4.6.2  [v4-stable] (rgerhards), 2010-03-26
- new feature: "." action type added to support writing files to relative
  pathes (this is primarily meant as a debug aid)
- added replacements for atomic instructions on systems that do not
  support them. [backport of Stefen Sledz' patch for v5)
- new feature: $OMFileAsyncWriting directive added
  it permits to specifiy if asynchronous writing should be done or not
- bugfix(temporary): message-induced off-by-one error (potential segfault)
  Some types of malformed messages could trigger an off-by-one error
  (for example, \0 or \n as the last character, and generally control
  character escaption is questionable). This is due to not strictly
  following a the \0 or string counted string paradigm (during the last
  optimization on the cstring class). As a temporary fix, we have 
  introduced a proper recalculation of the size. However, a final
  patch is expected in the future. See bug tracker for further details
  and when the final patch will be available:
  http://bugzilla.adiscon.com/show_bug.cgi?id=184
  Note that the current patch is considered sufficient to solve the
  situation, but it requires a bit more runtime than desirable.
- bugfix: potential segfault in dynafile cache
  This bug was triggered by an open failure. The the cache was full and
  a new entry needed to be placed inside it, a victim for eviction was
  selected. That victim was freed, then the open of the new file tried. If
  the open failed, the victim entry was still freed, and the function
  exited. However, on next invocation and cache search, the victim entry
  was used as if it were populated, most probably resulting in a segfault.
- bugfix: race condition during directory creation
  If multiple files try to create a directory at (almost) the same time,
  some of them may fail. This is a data race and also exists with other
  processes that may create the same directory. We do now check for this
  condition and gracefully handle it.
- bugfix: potential re-use of free()ed file stream object in omfile
  when dynaCache is enabled, the cache is full, a new entry needs to
  be allocated, thus the LRU discarded, then a new entry is opend and that
  fails. In that case, it looks like the discarded stream may be reused
  improperly (based on code analysis, test case and confirmation pending)
- added new property replacer option "date-rfc3164-buggyday" primarily
  to ease migration from syslog-ng. See property replacer doc for
  details. [backport from 5.5.3 because urgently needed by some]
- improved testbench
- bugfix: invalid buffer write in (file) stream class
  currently being accessed buffer could be overwritten with new data.
  While this probably did not cause access violations, it could case loss
  and/or duplication of some data (definitely a race with no deterministic
  outcome)
- bugfix: potential hang condition during filestream close
  predicate was not properly checked when waiting for the background file
  writer
- bugfix: improper synchronization when "$OMFileFlushOnTXEnd on" was used
  Internal data structures were not properly protected due to missing
  mutex calls.
- bugfix: potential data loss during file stream shutdown
- bugfix: potential problems during file stream shutdown
  The shutdown/close sequence was not clean, what potentially (but
  unlikely) could lead to some issues. We have not been able to describe
  any fatal cases, but there was some bug potential. Sequence has now
  been straighted out.
- bugfix: potential problem (loop, abort) when file write error occured
  When a write error occured in stream.c, variable iWritten had the error
  code but this was handled as if it were the actual number of bytes
  written. That was used in pointer arithmetic later on, and thus could
  lead to all sorts of problems. However, this could only happen if the
  error was EINTR or the file in question was a tty. All other cases were
  handled properly. Now, iWritten is reset to zero in such cases, resulting
  in proper retries.
- bugfix: $omfileFlushOnTXEnd was turned on when set to off and vice
  versa due to an invalid check
- bugfix: recent patch to fix small memory leak could cause invalid free.
  This could only happen during config file parsing.
- bugfix(minor): handling of extremely large strings in dbgprintf() fixed
  Previously, it could lead to garbagge output and, in extreme cases, also
  to segfaults. Note: this was a problem only when debug output was 
  actually enabled, so it caused no problem in production use.
- bugfix(minor): BSD_SO_COMPAT query function had some global vars not
  properly initialized. However, in practice the loader initializes them 
  with zero, the desired value, so there were no actual issue in almost 
  all cases.
---------------------------------------------------------------------------
Version 4.6.1  [v4-stable] (rgerhards), 2010-03-04
- re-enabled old pipe output (using new module ompipe, built-in) after
  some problems with pipes (and especially in regard to xconsole) were
  discovered. Thanks to Michael Biebl for reporting the issues.
- bugfix: potential problems with large file support could cause segfault
  ... and other weird problems. This seemed to affect 32bit-platforms
  only, but I can not totally outrule there were issues on other
  platforms as well. The previous code could cause system data types
  to be defined inconsistently, and that could lead to various 
  troubles. Special thanks go to the Mandriva team for identifying
  an initial problem, help discussing it and ultimately a fix they
  contributed.
- bugfix: fixed problem that caused compilation on FreeBSD 9.0 to fail.
  bugtracker: http://bugzilla.adiscon.com/show_bug.cgi?id=181
  Thanks to Christiano for reporting.
- bugfix: potential segfault in omfile when a dynafile open failed
  In that case, a partial cache entry was written, and some internal
  pointers (iCurrElt) not correctly updated. In the next iteration, that
  could lead to a segfault, especially if iCurrElt then points to the
  then-partial record. Not very likely, but could happen in practice.
- bugfix (theoretical): potential segfault in omfile under low memory
  condition. This is only a theoretical bug, because it would only 
  happen when strdup() fails to allocate memory - which is highly 
  unlikely and will probably lead to all other sorts of errors.
- bugfix: comment char ('#') in literal terminated script parsing
  and thus could not be used.
  but tracker: http://bugzilla.adiscon.com/show_bug.cgi?id=119
  [merged in from v3.22.2]
---------------------------------------------------------------------------
Version 4.6.0  [v4-stable] (rgerhards), 2010-02-24
***************************************************************************
* This is a new stable v4 version. It contains all fixes and enhancements *
* made during the 4.5.x phase as well as those listed below.              *
* Note: this version is scheduled to conclude the v4 development process. *
*       Do not expect any more new developments in v4. The focus is now   *
*       on v5 (what also means we have a single devel branch again).      *
*       ("development" means new feature development, bug fixes are of    *
*       course provided for v4-stable)                                    *
***************************************************************************
- improved testbench to contain samples for totally malformed messages
  which miss parts of the message content
- bugfix: some malformed messages could lead to a missing LF inside files
  or some other missing parts of the template content.
- bugfix: if a message ended immediately with a hostname, the hostname
  was mistakenly interpreted as TAG, and localhost be used as hostname
- bugfix: message without MSG part could case a segfault
  [backported from v5 commit 98d1ed504ec001728955a5bcd7916f64cd85f39f]
  This actually was a "recent" regression, but I did not realize that it
  was introduced by the performance optimization in v4-devel. Shame on
  me for having two devel versions at the same time...
---------------------------------------------------------------------------
Version 4.5.8  [v4-beta] (rgerhards), 2010-02-10
- enhanced doc for using PostgreSQL
  Thanks to Marc Schiffbauer for the new/updated doc
- bugfix: property replacer returned invalid parameters under some (unusual)
  conditions. In extreme cases, this could lead to garbled logs and/or
  a system failure.
- bugfix: invalid length returned (often) when using regular expressions
  inside the property replacer
- bugfix: submatch regex in property replacer did not honor "return 0 on
  no match" config case
- bugfix: imuxsock incorrectly stated inputname "imudp"
  Thanks to Ryan Lynch for reporting this.
- (slightly) enhanced support for FreeBSD by setting _PATH_MODDIR to
  the correct value on FreeBSD.
  Thanks to Cristiano for the patch.
- bugfix: -d did not enable display of debug messages
  regression from introduction of "debug on demand" mode
  Thanks to Michael Biebl for reporting this bug
- bugfix: blanks inside file names did not terminate file name parsing.
  This could reslult in the whole rest of a line (including comments)
  to be treated as file name in "write to file" actions.
  Thanks to Jack for reporting this issue.
- bugfix: rsyslog hang when writing to a named pipe which nobody was
  reading. Thanks to Michael Biebl for reporting this bug.
  Bugzilla entry: http://bugzilla.adiscon.com/show_bug.cgi?id=169
- bugfix: potential segfaults during queue shutdown
  (bugs require certain non-standard settings to appear)
  Thanks to varmojfekoj for the patch
---------------------------------------------------------------------------
Version 4.5.7  [v4-beta] (rgerhards), 2009-11-18
- added a so-called "On Demand Debug" mode, in which debug output can
  be generated only after the process has started, but not right from
  the beginning. This is assumed to be useful for hard-to-find bugs.
  Also improved the doc on the debug system.
- bugfix (kind of): check if TCP connection is still alive if using TLS
  Thanks to Jonathan Bond-Caron for the patch.
- bugfix: hostname accidently set to IP address for some message sources,
  for example imudp. Thanks to Anton for reporting this bug.
- bugfix [imported from 4.4.3]: $ActionExecOnlyOnceEveryInterval did
  not work.
---------------------------------------------------------------------------
Version 4.5.6  [v4-beta] (rgerhards), 2009-11-05
- bugfix: named pipes did no longer work (they always got an open error)
  this was a regression from the omfile rewrite in 4.5.0
- bugfix(minor): diag function returned wrong queue memeber count
  for the main queue if an active DA queue existed. This had no relevance
  to real deployments (assuming they are not running the debug/diagnostic
  module...), but sometimes caused grief and false alerts in the 
  testbench.
- included some important fixes from v4-stable:
  * bugfix: invalid handling of zero-sized messages
  * bugfix: zero-sized UDP messages are no longer processed
  * bugfix: random data could be appended to message
  * bugfix: reverse lookup reduction logic in imudp do DNS queries too often
- bugfix(testbench): testcase did not properly wait for rsyslod shutdown
  thus some unpredictable behavior and a false negative test result
  could occur. [BACKPORTED from v5]
- bugfix(testbench): sequence check was not always performed correctly,
  that could result in tests reporting success when they actually failed
---------------------------------------------------------------------------
Version 4.5.5  [v4-beta] (rgerhards), 2009-10-21
- added $InputTCPServerNotifyOnConnectionClose config directive
  see doc for details
- bugfix: debug string larger than 1K were improperly displayed. Max size
  is now 32K
- bugfix: invalid storage class selected for some size config parameters.
  This resulted in wrong values. The most prominent victim was the
  directory creation mode, which was set to zero in some cases. For 
  details, see related blog post:
  http://blog.gerhards.net/2009/10/another-note-on-hard-to-find-bugs.html
---------------------------------------------------------------------------
Version 4.5.4  [v4-beta] (rgerhards), 2009-09-29
- bugfix: potential segfault in stream writer on destruction
  Most severely affected omfile. The problem was that some buffers were
  freed before the asynchronous writer thread was shut down. So the
  writer thread accessed invalid data, which may even already be
  overwritten. Symptoms (with omfile) were segfaults, grabled data
  and files with random names placed around the file system (most
  prominently into the root directory). Special thanks to Aaron for
  helping to track this down.
- bugfix: potential race in object loader (obj.c) during use/release
  of object interface
- bugfixes: potential problems in out file zip writer. Problems could
  lead to abort and/or memory leak. The module is now hardened in a very
  conservative way, which is sub-optimal from a performance point of view.
  This should be improved if it has proven reliable in practice.
---------------------------------------------------------------------------
Version 4.5.3  [v4-beta] (rgerhards), 2009-09-17
- bugfix: repeated messages were incorrectly processed
  this could lead to loss of the repeated message content. As a side-
  effect, it could probably also be possible that some segfault occurs
  (quite unlikely). The root cause was that some counters introduced
  during the malloc optimizations were not properly duplicated in
  MsgDup(). Note that repeated message processing is not enabled
  by default.
- bugfix: message sanitation had some issues:
  - control character DEL was not properly escaped
  - NUL and LF characters were not properly stripped if no control
    character replacement was to be done
  - NUL characters in the message body were silently dropped (this was
    a regeression introduced by some of the recent optimizations)
- bugfix: strings improperly reused, resulting in some message properties
  be populated with strings from previous messages. This was caused by
  an improper predicate check. [backported from v5]
- fixed some minor portability issues
- bugfix: reverse lookup reduction logic in imudp do DNS queries too often
  [imported from 4.4.2]
---------------------------------------------------------------------------
Version 4.5.2  [v4-beta] (rgerhards), 2009-08-21
- legacy syslog parser changed so that it now accepts date stamps in
  wrong case. Some devices seem to create them and I do not see any harm
  in supporting that.
- added $InputTCPMaxListeners directive - permits to specify how many 
  TCP servers shall be possible (default is 20).
- bugfix: memory leak with some input modules. Those inputs that
  use parseAndSubmitMsg() leak two small memory blocks with every message.
  Typically, those process only relatively few messages, so the issue 
  does most probably not have any effect in practice.
- bugfix: if tcp listen port could not be created, no error message was
  emitted
- bugfix: potential segfault in output file writer (omfile)
  In async write mode, we use modular arithmetic to index the output
  buffer array. However, the counter variables accidently were signed,
  thus resulting in negative indizes after integer overflow. That in turn
  could lead to segfaults, but was depending on the memory layout of 
  the instance in question (which in turn depended on a number of
  variables, like compile settings but also configuration). The counters
  are now unsigned (as they always should have been) and so the dangling
  mis-indexing does no longer happen. This bug potentially affected all
  installations, even if only some may actually have seen a segfault.
- bugfix: hostnames with dashes in them were incorrectly treated as
  malformed, thus causing them to be treated as TAG (this was a regression
  introduced from the "rfc3164 strict" change in 4.5.0).
---------------------------------------------------------------------------
Version 4.5.1  [DEVEL] (rgerhards), 2009-07-15
- CONFIG CHANGE: $HUPisRestart default is now "off". We are doing this
  to support removal of restart-type HUP in v5.
- bugfix: fromhost-ip was sometimes truncated
- bugfix: potential segfault when zip-compressed syslog records were
  received (double free)
- bugfix: properties inputname, fromhost, fromhost-ip, msg were lost when
  working with disk queues
- performance enhancement: much faster, up to twice as fast (depending
  on configuration)
- bugfix: abort condition when RecvFrom was not set and message reduction
  was on. Happend e.g. with imuxsock.
- added $klogConsoleLogLevel directive which permits to set a new
  console log level while rsyslog is active
- bugfix: message could be truncated after TAG, often when forwarding
  This was a result of an internal processing error if maximum field
  sizes had been specified in the property replacer.
- added ability for the TCP output action to "rebind" its send socket after
  sending n messages (actually, it re-opens the connection, the name is 
  used because this is a concept very similiar to $ActionUDPRebindInterval).
  New config directive $ActionSendTCPRebindInterval added for the purpose.
  By default, rebinding is disabled. This is considered useful for load
  balancers.
- testbench improvements
---------------------------------------------------------------------------
Version 4.5.0  [DEVEL] (rgerhards), 2009-07-02
- activation order of inputs changed, they are now activated only after
  privileges are dropped. Thanks to Michael Terry for the patch.
- greatly improved performance
- greatly reduced memory requirements of msg object
  to around half of the previous demand. This means that more messages can
  be stored in core! Due to fewer cache misses, this also means some
  performance improvement.
- improved config error messages: now contain a copy of the config line
  that (most likely) caused the error
- reduced max value for $DynaFileCacheSize to 1,000 (the former maximum
  of 10,000 really made no sense, even 1,000 is very high, but we like
  to keep the user in control ;)).
- added capability to fsync() queue disk files for enhanced reliability
  (also add's speed, because you do no longer need to run the whole file
  system in sync mode)
- more strict parsing of the hostname in rfc3164 mode, hopefully
  removes false positives (but may cause some trouble with hostname
  parsing). For details, see this bug tracker:
  http://bugzilla.adiscon.com/show_bug.cgi?id=126
- omfile rewrite to natively support zip files (includes large extension
  of the stream class)
- added configuration commands (see doc for explanations)
  * $OMFileZipLevel
  * $OMFileIOBufferSize
  * $OMFileFlushOnTXEnd
  * $MainMsgQueueSyncQueueFiles
  * $ActionQueueSyncQueueFiles
- done some memory accesses explicitely atomic
- bugfix: subtle (and usually irrelevant) issue in timout processing
  timeout could be one second too early if nanoseconds wrapped
- set a more sensible timeout for shutdow, now 1.5 seconds to complete
  processing (this also removes those cases where the shutdown message
  was not written because the termination happened before it)
- internal bugfix: object pointer was only reset to NULL when an object
  was actually destructed. This most likely had no effect to existing code,
  but it may also have caused trouble in remote cases. Similarly, the fix
  may also cause trouble...
- bugfix: missing initialization during timestamp creation
  This could lead to timestamps written in the wrong format, but not to
  an abort
---------------------------------------------------------------------------
Version 4.4.3  [v4-stable] (rgerhards), 2009-10-??
- bugfix: several smaller bugs resolved after flexelint review
  Thanks to varmojfekoj for the patch.
- bugfix: $ActionExecOnlyOnceEveryInterval did not work.
  This was a regression from the time() optimizations done in v4.
  Bug tracker: http://bugzilla.adiscon.com/show_bug.cgi?id=143
  Thanks to Klaus Tachtler for reporting this bug.
- bugfix: potential segfault on queue shutdown
  Thanks to varmojfekoj for the patch.
- bugfix: potential hang condition on queue shutdown
  [imported from v3-stable]
- bugfix: segfault on startup when -q or -Q option was given
  [imported from v3-stable]
---------------------------------------------------------------------------
Version 4.4.2  [v4-stable] (rgerhards), 2009-10-09
- bugfix: invalid handling of zero-sized messages, could lead to mis-
  addressing and potential memory corruption/segfault
- bugfix: zero-sized UDP messages are no longer processed
  until now, they were forwarded to processing, but this makes no sense
  Also, it looks like the system seems to provide a zero return code
  on a UDP recvfrom() from time to time for some internal reasons. These
  "receives" are now silently ignored.
- bugfix: random data could be appended to message, possibly causing
  segfaults
- bugfix: reverse lookup reduction logic in imudp do DNS queries too often
  A comparison was done between the current and the former source address.
  However, this was done on the full sockaddr_storage structure and not
  on the host address only. This has now been changed for IPv4 and IPv6.
  The end result of this bug could be a higher UDP message loss rate than
  necessary (note that UDP message loss can not totally be avoided due
  to the UDP spec)
---------------------------------------------------------------------------
Version 4.4.1  [v4-stable] (rgerhards), 2009-09-02
- features requiring Java are automatically disabled if Java is not
  present (thanks to Michael Biebl for his help!)
- bugfix: invalid double-quoted PRI, among others in outgoing messages
  This causes grief with all receivers.
  Bug tracker: http://bugzilla.adiscon.com/show_bug.cgi?id=147
- bugfix: Java testing tools were required, even if testbench was disabled
  This resulted in build errors if no Java was present on the build system,
  even though none of the selected option actually required Java.
  (I forgot to backport a similar fix to newer releases).
- bugfix (backport): omfwd segfault
  Note that the orginal (higher version) patch states this happens only
  when debugging mode is turned on. That statement is wrong: if debug
  mode is turned off, the message is not being emitted, but the division
  by zero in the actual parameters still happens.
---------------------------------------------------------------------------
Version 4.4.0  [v4-stable] (rgerhards), 2009-08-21
- bugfix: stderr/stdout were not closed to be able to emit error messages,
  but this caused ssh sessions to hang. Now we close them after the 
  initial initialization. See forum thread:
  http://kb.monitorware.com/controlling-terminal-issues-t9875.html
- bugfix: sending syslog messages with zip compression did not work
---------------------------------------------------------------------------
Version 4.3.2  [v4-beta] (rgerhards), 2009-06-24
- removed long-obsoleted property UxTradMsg
- added a generic network stream server (in addition to rather specific
  syslog tcp server)
- added ability for the UDP output action to rebind its send socket after
  sending n messages. New config directive $ActionSendUDPRebindInterval
  added for the purpose. By default, rebinding is disabled. This is 
  considered useful for load balancers.
- bugfix: imdiag/imtcp had a race condition
- improved testbench (now much better code design and reuse)
- added config switch --enable-testbench=no to turn off testbench
---------------------------------------------------------------------------
Version 4.3.1  [DEVEL] (rgerhards), 2009-05-25
- added capability to run multiple tcp listeners (on different ports)
- performance enhancement: imtcp calls parser no longer on input thread
  but rather inside on of the potentially many main msg queue worker
  threads (an enhancement scheduled for all input plugins where this is
  possible)
- added $GenerateConfigGraph configuration command which can be used
  to generate nice-looking (and very informative) rsyslog configuration
  graphs.
- added $ActionName configuration directive (currently only used for
  graph generation, but may find other uses)
- improved doc
  * added (hopefully) easier to grasp queue explanation
- improved testbench
  * added tests for queue disk-only mode (checks disk queue logic)
- bugfix: light and full delay watermarks had invalid values, badly
  affecting performance for delayable inputs
- build system improvements - thanks to Michael Biebl
- added new testing module imdiag, which enables to talk to the 
  rsyslog core at runtime. The current implementation is only a 
  beginning, but can be expanded over time
---------------------------------------------------------------------------
Version 4.3.0  [DEVEL] (rgerhards), 2009-04-17
- new feature: new output plugin omprog, which permits to start program
  and feed it (via its stdin) with syslog messages. If the program
  terminates, it is restarted.
- improved internal handling of RainerScript functions, building the
  necessary plumbing to support more functions with decent runtime
  performance. This is also necessary towards the long-term goal
  of loadable library modules.
- added new RainerScript function "tolower"
- improved testbench
  * added tests for tcp-based reception
  * added tcp-load test (1000 connections, 20,000 messages)
- added $MaxOpenFiles configuration directive
- bugfix: solved potential memory leak in msg processing, could manifest
  itself in imtcp
- bugfix: ompgsql did not detect problems in sql command execution
  this could cause loss of messages. The handling was correct if the
  connection broke, but not if there was a problem with statement
  execution. The most probable case for such a case would be invalid
  sql inside the template, and this is now much easier to diagnose.
---------------------------------------------------------------------------
Version 4.2.0  [v4-stable] (rgerhards), 2009-06-23
- bugfix: light and full delay watermarks had invalid values, badly
  affecting performance for delayable inputs
- imported all patches from 3.22.1 as of today (see below)
- bugfix: compile problems in im3195
---------------------------------------------------------------------------
Version 4.1.7  [BETA] (rgerhards), 2009-04-22
- bugfix: $InputTCPMaxSessions config directive was accepted, but not
  honored. This resulted in a fixed upper limit of 200 connections.
- bugfix: the default for $DirCreateMode was 0644, and as such wrong.
  It has now been changed to 0700. For some background, please see
  http://lists.adiscon.net/pipermail/rsyslog/2009-April/001986.html
- bugfix: ompgsql did not detect problems in sql command execution
  this could cause loss of messages. The handling was correct if the
  connection broke, but not if there was a problem with statement
  execution. The most probable case for such a case would be invalid
  sql inside the template, and this is now much easier to diagnose.
---------------------------------------------------------------------------
Version 4.1.6  [DEVEL] (rgerhards), 2009-04-07
- added new "csv" property replacer options to enable simple creation
  of CSV-formatted outputs (format from RFC4180 is used)
- implemented function support in RainerScript. That means the engine
  parses and compile functions, as well as executes a few build-in
  ones. Dynamic loading and registration of functions is not yet
  supported - but we now have a good foundation to do that later on.
- implemented the strlen() RainerScript function
- added a template output module
- added -T rsyslogd command line option, enables to specify a directory
  where to chroot() into on startup. This is NOT a security feature but
  introduced to support testing. Thus, -T does not make sure chroot()
  is used in a secure way. (may be removed later)
- added omstdout module for testing purposes. Spits out all messages to


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