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.
>
>
> 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.
>
>
>
> 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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