Revert "Allow redirecting DNS requests to Tor for specific users or globally."

This reverts commit 0c28fa63.

This stuff is not ready for the shared repo, but we want to take benefit from me
having already merged immerda's stuff into my branch and solved the conflicts.

README

@@ -110,18 +110,7 @@ rejected. This is intentional: it does not make sense leaking -via DNS
 requests- network activity that would otherwise be torified. In that
 case you probably want to read proper documentation about such
 matters, enable the Tor DNS resolver and redirect DNS requests through
-it,
-
-either globally:
-
-  shorewall::rules::torify::redirect_dns_to_tor { '-': }
-
-or for specific users:
-
-  shorewall::rules::torify::redirect_dns_to_tor { ['bob', 'alice' ]: }
-
-The $tor_dns_host and $tor_dns_port variables must be set before
-these defines are setup.
+it.
 
 Example
 -------

manifests/init.pp

@@ -27,12 +27,6 @@ class shorewall(
   case $tor_transparent_proxy_port {
     '': { $tor_transparent_proxy_port = '9040' }
   }
-  case $tor_dns_host {
-    '': { $tor_dns_host = '127.0.0.1' }
-  }
-  case $tor_dns_port {
-    '': { $tor_dns_port = '8853' }
-  }
   if $tor_user == '' {
     $tor_user = $dist_tor_user ? {
       ''      => 'tor',

manifests/rules/torify/redirect_dns_to_tor.pp

-define shorewall::rules::torify::redirect_dns_to_tor() {
-
-  $user = $name
-
-  $destzone = $shorewall::tor_dns_host ? {
-    '127.0.0.1' => '$FW',
-    default     => 'net'
-  }
-
-  $tcp_rule = "redirect-tcp-dns-to-tor-user=${user}"
-  if !defined(Shorewall::Rule["$tcp_rule"]) {
-    shorewall::rule {
-      "$tcp_rule":
-        source          => '$FW',
-        destination     => "${destzone}:${shorewall::tor_dns_host}:${shorewall::tor_dns_port}",
-        proto           => 'tcp',
-        destinationport => 'domain',
-        user            => $user,
-        order           => 108,
-        action          => 'DNAT';
-    }
-  }
-
-  $udp_rule = "redirect-udp-dns-to-tor-user=${user}"
-  if !defined(Shorewall::Rule["$udp_rule"]) {
-    shorewall::rule {
-      "$udp_rule":
-        source          => '$FW',
-        destination     => "${destzone}:${shorewall::tor_dns_host}:${shorewall::tor_dns_port}",
-        proto           => 'udp',
-        destinationport => 'domain',
-        user            => $user,
-        order           => 108,
-        action          => 'DNAT';
-    }
-  }
-
-}