Re: [Mod-security-developers] mlogc-batch-load rex problem in section A

[Breno S. <bre...@gm...>]

Hi Ebrahim,

Thanks for your feedback. There was a problem in modsecurity timestamp math
and i was changed in 2.6.3.

Any chance you send me a patch ?

Thanks

Breno

On Mon, Jan 2, 2012 at 9:41 AM, Ebrahim Khalilzadeh
<kha...@au...>wrote:

>
> Hi,
> Due to some problems about piping mlogc with apache, i decided to use
> mlogc-batch-load.pl on crontab. I installed modsecurity-apache_2.6.2 and
> it works correctly and generates audit log files like this:
>
> --3f82651b-A--
> [01/Jan/2012:15:11:28 +031800] 8lbP5n8AAAIAABL0J7gAAAAD 172.20.125.77
> 22409 172.20.125.126 80
> --3f82651b-B--
> GET /%3Cscript%3Etest%3C/script%3E HTTP/1.1
>
> Then i ran mlogc-batch-load.pl which It couldn't send audit logs to
> AuditConsole and it generated some error like this:
>
> [Mon Jan 02 17:41:33 2012] [2] [28961/80d4e50] Invalid entry (failed to
> match regex): waf - - - - \"GET /%3Cscript%3Etest%3C/script%3E HTTP/1.1\"
> 500 602 \"-\" \"-\" - \"-\"
> /20120102/20120102-1714/20120102-171401-xm8Xqn8AAAIAAG9lIs8AAAAD 0 1653
> md5:e7fe62f1bf231a6993e5623a7b872b61
>
> I installed modsecurity-apache_2.6.3 and it generated audit log files
> like this:
>
> --cc123a05-A--
> [02/Jan/2012:17:14:01 +0330] xm8Xqn8AAAIAAG9lIs8AAAAD 172.20.125.77 36872
> 172.20.125.126 80
> --cc123a05-B--
> GET /%3Cscript%3Etest%3C/script%3E HTTP/1.1
>
> i ran mlogc-batch-load.pl and same error was generated.
>
> I found out mlogc-bach-load.pl couldn't parse these audit log correctly
> and fortunately I could find the line that has this problem which is :
>
> if ($sect eq 'A') {
>             if ($line =~ m%^(\[[-\d/: a-zA-Z]{27}\]) (\S+) (\S+) (\d+)
> (\S+) (\d+)%) {
>
> The regular expression for matching with my audit logs is not correct. my
> audit logs has time field like [01/Jan/2012:15:11:28 +031800]  for 2.6.2v
> and [02/Jan/2012:17:14:01 +0330] for 2.6.3v  which non of them can match
> with \[[-\d/: a-zA-Z]{27}\].  I changed above line with below and audit
> logs be sent correctly:
>
> if ($sect eq 'A') {
>             #if ($line =~ m%^(\[[-\d/: a-zA-Z]{27}\]) (\S+) (\S+) (\d+)
> (\S+) (\d+)%) {
>             if ($line =~ m%^(\[[^:]+:\d+:\d+:\d+ [^\]]+\]) (\S+) (\S+)
> (\d+) (\S+) (\d+)%) {
>
> Is it a bug in mlog-batch-load.pl file or a problem in my system
> date/time?!
>
> Best Regards,
> khalilzadeh
>
>
>
>
> --
>
>
> --
>
>
>
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