From: Alexey <AlexeySa@users.noreply.github.com>
Date: Tue, 24 Dec 2013 14:59:05 +0000 (-0800)
Subject: Add rule for HELO host FQDN check
X-Git-Tag: 0.6.6~20^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=refs%2Fpull%2F14%2Fhead;p=thirdparty%2Frspamd.git

Add rule for HELO host FQDN check
---

diff --git a/conf/lua/rspamd.lua b/conf/lua/rspamd.lua
index 822f6447fe..16b99cb01e 100644
--- a/conf/lua/rspamd.lua
+++ b/conf/lua/rspamd.lua
@@ -68,6 +68,24 @@ reconf['DATE_IN_PAST'] = function(task)
 	return false
 end
 
+reconf['HELO_NOT_FQDN'] = function(task)
+local helo = task:get_helo()
+
+local function check_regexp(str, regexp_text)
+    local re = regexp.get_cached(regexp_text)
+    if not re then re = regexp.create(regexp_text, 'i') end
+    if re:match(str) then return true end
+    return false
+end
+
+if helo then
+    if not check_regexp(helo, '(?=^.{4,255}$)(^((?!-)[a-zA-Z0-9-]{1,63}(?<!-)\\.)+[a-zA-Z]{2,63}$)') then
+        return true
+    end
+end
+
+return false
+end
 
 local function file_exists(filename)
 	local file = io.open(filename)