commit fb53d4f: [Minor] rbl: try harder to identify lua patterns

[Andrew Lewis]

Author: Andrew Lewis
Date: 2023-12-13 12:13:06 +0200
URL: https://github.com/rspamd/rspamd/commit/fb53d4f2fd85fda30e669ed580de19b84ee36925 (refs/pull/4743/head)

[Minor] rbl: try harder to identify lua patterns

---
 lualib/plugins/rbl.lua | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lualib/plugins/rbl.lua b/lualib/plugins/rbl.lua
index 7c5efb4cd..812407f4d 100644
--- a/lualib/plugins/rbl.lua
+++ b/lualib/plugins/rbl.lua
@@ -203,8 +203,8 @@ local function convert_checks(rule)
   if rule.returncodes and not rule.returncodes_matcher then
     for _, v in pairs(rule.returncodes) do
       for _, e in ipairs(v) do
-        if e:find('%', 1, true) then
-          rspamd_logger.info(rspamd_config, 'implicitly enabling luapattern returncodes_matcher for rule %s', rule.symbol)
+        if e:find('%', 1, true) or e:find('[%.%d%x:]%[', 1, false) then
+          rspamd_logger.warn(rspamd_config, 'implicitly enabling luapattern returncodes_matcher for rule %s', rule.symbol)
           rule.returncodes_matcher = 'luapattern'
           break
         end