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Posted to users@httpd.apache.org by "Richard N. Fogle" <ri...@neosaint.org> on 2007/09/28 19:29:05 UTC
[users@httpd] mod_authnz_ldap and env vars?
Is there a way to acquire the group via code, like a server
environment variable (e.g., like REMOTE_USER) of the group authorized
by a require ldap-group (or any group)? This would be extremely
helpful in applications where a page would have features depending on
the access level of the user. Currently we have to query the LDAP(AD
in this case) to get the group and set it in an environment
variable. It seems like this is double work, we'd like to dedicate
the authentication/authorization handling to apache. Something like
a REMOTE_GROUP which would contain an LDAP attribute we could
specify. Using apache 2.2 and active directory 2000.
Rich
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Re: [users@httpd] mod_authnz_ldap and env vars?
Posted by Richard Fogle <ri...@neosaint.org>.
James,
Thanks for the response, I quite agree this is something that I would
logically expect to be included. Would you mind posting your patch?
Even if it doesn't get merged I'm sure I'm not the only one who needs
to know this information. It makes little sense to have all these
tables contain usernames/passwords/group auth while we have a
perfectly capable active directory infrastructure we can draw upon.
Unfortunately, without the capability to see the groups the user logs
in under we would have to resort to writing all this into the
application, so we'd replace one type of code with another type of
auth code instead of pushing it on the web server where (I believe)
it belongs.
R
On Sep 28, 2007, at 8:19 PM, James Devenish wrote:
> Hi Richard,
>
> On 29/09/2007, Richard N. Fogle <ri...@neosaint.org> wrote:
>> Is there a way to acquire the group via code, like a server
>> environment variable (e.g., like REMOTE_USER) of the group authorized
>> by a require ldap-group (or any group)? This would be extremely
>
> I agree that it would be wonderful if something like "REMOTE_GROUP"
> existed (as long as it's clear how multiple-group membership is
> expressed). For administrators, I agree that the job is best done in
> Apache (plus its LDAP caching can be used). Personally, I have patched
> mod_auth_ldap.c as you suggested, so that the group matched by
> 'Require group' is added to the environment. This has been running
> quite well. And what a relief it's been!! It is not quite as useful as
> enumerating _all_ the groups that the principal belongs to, so any of
> our applications that need this are still required to do their own
> LDAP queries. Maybe this is not alwaysw so bad, since it means that
> Apache does not waste time enumerating everybody's entire group
> membership for every web hit! Overall, your request seems entirely
> possible, but I have not contributed a patch back to Apache yet.
>
> James.
>
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Re: [users@httpd] mod_authnz_ldap and env vars?
Posted by James Devenish <j-...@users.sourceforge.net>.
Hi Richard,
On 29/09/2007, Richard N. Fogle <ri...@neosaint.org> wrote:
> Is there a way to acquire the group via code, like a server
> environment variable (e.g., like REMOTE_USER) of the group authorized
> by a require ldap-group (or any group)? This would be extremely
I agree that it would be wonderful if something like "REMOTE_GROUP"
existed (as long as it's clear how multiple-group membership is
expressed). For administrators, I agree that the job is best done in
Apache (plus its LDAP caching can be used). Personally, I have patched
mod_auth_ldap.c as you suggested, so that the group matched by
'Require group' is added to the environment. This has been running
quite well. And what a relief it's been!! It is not quite as useful as
enumerating _all_ the groups that the principal belongs to, so any of
our applications that need this are still required to do their own
LDAP queries. Maybe this is not alwaysw so bad, since it means that
Apache does not waste time enumerating everybody's entire group
membership for every web hit! Overall, your request seems entirely
possible, but I have not contributed a patch back to Apache yet.
James.
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