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From Dean Gaudet <dgau...@arctic.org>
Subject Re: config/234: REMOTE_IDENT not always available to mod_rewrite
Date Mon, 17 Mar 1997 00:45:56 GMT
I can't reproduce this with 1.2b8-dev, do_rfc1413 is always set correctly. 
Could you send your config file?

Thanks
Dean

On Sat, 15 Mar 1997, Michael Fuhr wrote:

> 
> >Number:         234
> >Category:       config
> >Synopsis:       REMOTE_IDENT not always available to mod_rewrite
> >Confidential:   no
> >Severity:       non-critical
> >Priority:       medium
> >Responsible:    apache (Apache HTTP Project)
> >State:          open
> >Class:          sw-bug
> >Submitter-Id:   apache
> >Arrival-Date:   Sat Mar 15 16:00:01 1997
> >Originator:     mfuhr@dimensional.com
> >Organization:
> apache
> >Release:        1.2b7
> >Environment:
> FreeBSD 2.1.7
> gcc 2.6.3
> >Description:
> REMOTE_IDENT isn't available to a virtual host's rewrite rules under
> the following conditions:
> 
>     * IdentityCheck is "off" by default.
>     * IdentityCheck is turned "on" inside the <VirtualHost> directive.
> 
> REMOTE_IDENT is available later for SSI and CGI, but not for the
> rewriting rules in a <VirtualHost> section.
> >How-To-Repeat:
> 1. Set the default IdentityCheck to "off".
> 2. Add the following lines inside some <VirtualHost> section:
> 
>     RewriteEngine on
>     RewriteLogLevel 4
>     RewriteLog logs/virt-rewrite_log
>     RewriteCond %{REMOTE_ADDR} 1.2.3.4    # IP of some host running IDENT
>     RewriteCond %{REMOTE_IDENT} someuser  # name of some user on that host
>     RewriteRule ^/somefile.html /otherfile.html [R,L]
> 
> 3. Try to retrieve /somefile.html from the specified host as the specified
> user.  The rewrite will fail; that REMOTE_IDENT is set later can be verified
> by printing its value using SSI or CGI.
> 
> 4.  The rewrite log will show something like this for the RewriteCond in
> question:
> 
>     RewriteCond: input='' pattern='someuser' => not-matched
> 
> 5. Set the default "IdentityCheck" to "on".
> 6. Try to retrieve /somefile.html again.
> 7. You should get /otherfile.html (a successful rewrite).
>     
> >Fix:
> The problem shows itself in get_remote_login(), http_core.c, line 396:
> 
>     if (dir_conf->do_rfc1413 & 1)
>         return rfc1413(r->connection, r->server);
>     else
>         return NULL;
> 
> When get_remote_login() is called from mod_rewrite.c, line 2532, it
> always returns NULL.  Apparently dir_conf->do_rfc1413 hasn't been set
> from the virtual host's IdentityCheck directive yet
> >Audit-Trail:
> >Unformatted:
> 
> 
> 


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