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List:       apache-modules
Subject:    Re: [apache-modules] Trying to track intermittent segfault in C Apache
From:       Scott Akins <Scott.Akins () NAU ! EDU>
Date:       2006-07-27 16:44:01
Message-ID: 44C8ED51.9060502 () nau ! edu
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All,

I forgot to mention ... this is on Apache 1.3.36.

Thanks,

Scott

Scott Akins wrote:

>All,
>
>I am working on an authentication and authorization module for Apache
>written in C.  On Solaris, the module intermittently crashes with a
>segmentation fault.  I've tried adding debug logging messages to track
>the problem, but that causes the segmentation fault to happen at
>different points in the module.  So, I have since recompiled the module
>and Apache with debug symbols turned on to try and get a core file that
>I could run through gdb to figure out what is going on.  Now that the
>debug symbols are in Apache, I cannot get the module to crash.  Does
>anyone have a suggestion on how to diagnose and fix this problem?
>
>A little background on the module I am developing ... it does
>authentication against a CAS server (the Central Authentication Server
>developed originally by Yale University) and then does authorization
>against a server we have developed in house.  The communication to the
>authentication and authorization servers is done with https using
>openSSL.  Then, the results (which are all in XML) are parsed using the
>Expat library built into Apache.
>
>Thanks,
>
>Scott
>
>  
>

-- 
Scott Akins                                     Scott.Akins@nau.edu
Systems Programmer, Sr.                              (928) 523-0378
Northern Arizona University, ITS               www4.nau.edu/its/sia

  Anyone can make the simple complicated. The secret is making the 
  complicated simple.

                                                  - Charles Mingus 


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