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There exists a race condition that can lead to a segfault. Thanks
go to vbernetr, who performed the analysis and provided patch, which
I only tweaked a very little bit.
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- when converting a number and a string to a common type, both were
actually converted to the other variable's type.
- the value of rsCStrConvertToNumber() was miscalculated.
Signed-off-by: Rainer Gerhards <rgerhards@adiscon.com>
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provide standard template for MySQL module and instructions
on how to modify schema
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thanks to Trent W. Buck for alerting me.
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Signed-off-by: Rainer Gerhards <rgerhards@adiscon.com>
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As all the calls to PKG_CHECK_MODULES are conditional, it can happen
that PKG_PROG_PKG_CONFIG is not called (i.e. if you not use
--enable-relp). So we enforce a check for pkg-config by adding it to the
global checks.
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... pointed previously to stunnel-alternative, which now that
we support native TLS is now no longer recommended.
Thanks to Michael Biebl for bringing this to my attention.
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belongs into it.
Thanks to Michael Biebl for pointing this out.
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Signed-off-by: Rainer Gerhards <rgerhards@adiscon.com>
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... one should at least compile before comitting - sorry, been so
eager to push that out.
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It looks like a race was introduced by not locking the message mutex
in msgDestruct(). In theory, I thought, the decrement should be atomic,
but the whole operation may be reordered. Also it has potential for task
switches. If so, that would lead to a too-early destruction and thus
a potential double free - exactly what we have seen from time to time.
So I think this fix addresses the issue.
I have also removed anything that looks like atomic operations are supported
in this version - they are not. This was very late added, found to be
non-portable and pulled from that release.
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Conflicts:
ChangeLog
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On HUP, the root pointers were not properly cleaned up. Thanks to
Michael Biebel, olgoat, and Juha Koho for reporting and analyzing
the bug.
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Thanks to William Tisater for analyzing this bug and providing a patch.
The actual code change is heavily based on William's patch.
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Signed-off-by: Rainer Gerhards <rgerhards@adiscon.com>
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Conflicts:
ChangeLog
configure.ac
doc/manual.html
net.h
plugins/imtcp/imtcp.c
plugins/imudp/imudp.c
runtime/net.c
runtime/rsyslog.h
tcps_sess.c
tcpsrv.c
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Signed-off-by: Rainer Gerhards <rgerhards@adiscon.com>
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- security bugfix: $AllowedSender was not honored, all senders were
permitted instead (see http://www.rsyslog.com/Article322.phtml)
(backport from v3-stable, v3.20.9)
- minor bugfix: dual close() call on tcp session closure
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thanks to Andrej for reporting this
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...tried to send a message to it. This behaviour is operator-configurable.
If enabled, a message was emitted each time. That way an attacker could
effectively fill the disk via this facility. The message is now
emitted only once in a minute (this currently is a hard-coded limit,
if someone comes up with a good reason to make it configurable, we
will probably do that).
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The legacy ACL system needs access to the remote sockaddr_storage
data structure. This has been implemented for the ptcp driver and
now follows for gtls. See recent commits for reason.
We also moved up the version numbers in preparation of the release.
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...all senders were permitted instead
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Conflicts:
ChangeLog
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Signed-off-by: Rainer Gerhards <rgerhards@adiscon.com>
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This allows to return the string 0 if a regular expression is
not found. This is probably useful for storing numerical values into
database columns.
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This is intended for debugging and considered worth preserving.
However, it has not (yet) been added to the build diag tools
as it is not considered important enough.
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RE's seem to be a big trouble spot and I would like to have more
information inside the debug log. So I decided to add some additional
debug strings permanently.
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abd link to new online regex generator tool added
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