# HG changeset patch
# User Marco Cirillo <maranda@lightwitch.org>
# Date 1338086646 0
# Node ID 27529031890b0d27d3ac17473ee6c38a9db07d5d
# Parent  939f8fc84d492e7a6d0c75fdc9d3d091aa0c4666
mod_host_guard: now a proper error is returned when stanzas are routed to a filtered remote server (thanks Zash)

diff -r 939f8fc84d49 -r 27529031890b mod_host_guard/mod_host_guard.lua
--- a/mod_host_guard/mod_host_guard.lua	Sun May 27 01:37:25 2012 +0000
+++ b/mod_host_guard/mod_host_guard.lua	Sun May 27 02:44:06 2012 +0000
@@ -29,12 +29,13 @@
 end
 
 local function rr_hook (event)
-	local from_host, to_host = event.from_host, event.to_host
+	local from_host, to_host, send, stanza = event.from_host, event.to_host, event.origin.send, event.stanza
 
 	if guard_blockall:contains(from_host) and not guard_ball_wl:contains(to_host) or
 	   guard_block_bl:contains(to_host) and guard_protect:contains(from_host) then
 	     module:log("info", "attempted to connect to a filtered remote host %s", to_host)
-	     return false
+	     if stanza.attr.type ~= "error" then send(error_reply(event.stanza, "cancel", "policy-violation", "Communicating with a filtered remote server is not allowed.")) end
+	     return true
 	end
 
 	return nil