On Tue, Feb 14, 2017 at 2:19 PM, Daniel Gruno <humbed...@apache.org> wrote:

> On 02/14/2017 01:16 PM, Andrei Ivanov wrote:
> > On Tue, Feb 14, 2017 at 1:59 PM, Daniel Gruno <humbed...@apache.org
> > <mailto:humbed...@apache.org>> wrote:
> >
> >     On 02/14/2017 12:38 PM, Andrei Ivanov wrote:
> >     > Hi,
> >     > I'm trying to create a lua authorization script but I can't seem to
> >     > access the request environment:
> >     >
> >     > require 'apache2'
> >     >
> >     > function authz_check_remote_ip_in_client_san(r)
> >     >         r:err("remote_ip_in_client_san running...");
> >     >         r:alert("uri: " .. r.uri);
> >     >         r:alert("useragent_ip: " .. r.useragent_ip);
> >     >         local ip = r.subprocess_env["REMOTE_ADDRESS"];
> >     >         r:crit("REMOTE_ADDRESS: " .. (ip or "N/A"));
> >     >         r:emerg("SSL_CLIENT_SAN_IPaddr: " ..
> >     > (r.subprocess_env["SSL_CLIENT_SAN_IPaddr"] or "N/A"));
> >
> >
> > What about r.subprocess_env["REMOTE_ADDRESS"]? Shouldn't that work at
> least?
>
> Not exactly, this isn't CGI - the remote IP is exposed through
> r.useragent_ip. Getting environment variables is tricky since the Lua VM
> is sort of detached from the actual thread handling the request.
>

I was using the REMOTE_ADDRESS since it was used as an example in a post :-)
http://lua-users.org/lists/lua-l/2010-07/msg00671.html
Is subprocess_env working at all?


> >
> >
> >     use r:ssl_var_lookup("SSL_CLIENT_SAN_IPaddr") instead.
> >     r:ssl_var_lookup does the special SSL vars.
> >
> >
> > I don't get a nil now anymore, but I seem to get back an empty string :-(
> > SSL_CLIENT_SAN_IPaddr should be exposed by mod_nss, activated in this
> > virtual host.
>
> If it's not exposed by mod_ssl, then it may not be available through
> that call. You should try finding the corresponding mod_ssl variable if
> possible.
>
> I'm using mod_nss exactly because mod_ssl doesn't expose that variable and
my issue that requests that is sitting ignored for 2 months now :-(
I was hoping this would help:
<Files ~ "\.(cgi|shtml|phtml|php3|lua?)$">
    NSSOptions +StdEnvVars
</Files>



> >
> >
> >
> >     With regards,
> >     Daniel.
> >
> >     >
> >     >         return apache2.AUTHZ_GRANTED
> >     > end
> >     >
> >     > The logs show entries like this for the values accessed from
> >     > r.subprocess_env:
> >     > REMOTE_ADDRESS: N/A
> >     > SSL_CLIENT_SAN_IPaddr: N/A
> >     >
> >     >
> >     > LuaScope thread
> >     > LuaAuthzProvider remote_ip_in_client_san
> >     > /etc/httpd/authz/authz_check_remote_ip_in_client_san.lua
> >     > authz_check_remote_ip_in_client_san
> >     > <Location />
> >     >     Require remote_ip_in_client_san
> >     >
> >     >     # these don't seem to work so I'm trying to implement them in
> a LUA
> >     > script
> >     >     #NSSRequire %{REMOTE_ADDR} in %{SSL_CLIENT_SAN_IPaddr}
> >     >     #Require expr "%{REMOTE_ADDR} in %{SSL_CLIENT_SAN_IPaddr}"
> >     > </Location>
> >     >
> >     > What am I doing wrong?
> >     >
> >     > Thank you in advance.
> >
> >
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>
>
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