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From Austin Gonyou <aus...@coremetrics.com>
Subject Re: suexec and apache2.0
Date Sat, 05 Jan 2002 22:25:04 GMT
So then a detection of something like PAM or other authentication
facility or a lookup of the UID against /etc/passwd and group to resolve
UID to UNAME might be in order? Is there a way around that?

On Fri, 2002-01-04 at 19:59, GUMMALAM,MOHAN (HP-Cupertino,ex2) wrote:
> Currently suexec does not seem to work with apache2.0.. well atleast not
> completely.  The problem I seem to run into is with ~user situations.
> Looks
> like the suexec code (suexec.c) expects to make a distinction between
> ~user
> calls from others by inspecting for the "~" character.  However, in
> os/unix/unixd.c, the userid passed to suexec program is a numerical
> string
> (string of numbers, corresponding to uid_t of the ~user).  As a result,
> suexec always bails out for every ~user calls with the following error
> message in suexec_log file:
> 
> command (/home/user/public_html/showuser.cgi) not in docroot
> (/usr/local/apache2)
> 
> I have made some fix and it works.  I could post the patch(es) if
> required.
> The files changed for this are:
>     os/unix/unixd.c
>     os/unix/unixd.h
>     modules/generators/mod_suexec.c
>     modules/generators/mod_suexec.h
> 
> 1. Change the return type of get_suexec_id_doer to
>    unixd_config_rec (originally ap_unix_identity_t).
> 2. Modify get_suexec_id_doer to return "user" string
>    in the cfg->ugid.user_name structure, if the URI contains ~.
> 3. Call the suexec program with "~user" string if required,
>    otherwise call it with uid_t of the user specified in the
>    SuexecUserGroup directive in httpd.conf (the original behaviour).
> 
> If someone has a better solution, please post it.
> Thanks,
> M
-- 
Austin Gonyou
Systems Architect, CCNA
Coremetrics, Inc.
Phone: 512-698-7250
email: austin@coremetrics.com

"It is the part of a good shepherd to shear his flock, not to skin it."
Latin Proverb

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