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From Ondrej Valousek <>
Subject [users@httpd] mod_auth_kerb (AKA run a CGI script upon every page visit) question
Date Tue, 23 Feb 2016 13:40:08 GMT
Hi List,

I have an unusual question regarding module mod_auth_kerb:
I would like to use it's "KrbSaveCredentials" function - but the problem is, that it only
seems to work for CGI/PHP scripts.

I would like to get it working so that Kerberos Cache is being saved _before_ Apache even
tries to read a script/page from the filesystem.

Some web pages reside on a filesystem mounted via NFS with Kerberos enabled (mount -o sec=krb5
filer:/www/html /var/www).
That means Apache daemon can not access the filesystem unless a proper KRB5 cache is feeded.

Thinking about two options:

1.       Hack mod_auth_kerb that once user is successfully authenticated, immediately store
Kerberos credentials and then look for the file/script the remote user is asking for

2.       Run some dummy CGI script on background on every page user ask for - this way I would
possibly achieve the same.

Can you help me someone. Looks like a trivial task, but I do not know how to achieve that.



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