commit 6bfb118: [Minor] mime_types: Skip extensions matching

[Alexander Moisseev]

Author: Alexander Moisseev
Date: 2019-03-08 15:06:13 +0300
URL: https://github.com/rspamd/rspamd/commit/6bfb1182eb065aa72afbf364e80277896943452f (refs/pull/2784/head)

[Minor] mime_types: Skip extensions matching
if extension of the file inside archive is not bad

---
 src/plugins/lua/mime_types.lua | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/plugins/lua/mime_types.lua b/src/plugins/lua/mime_types.lua
index 98acd463f..589f82515 100644
--- a/src/plugins/lua/mime_types.lua
+++ b/src/plugins/lua/mime_types.lua
@@ -1016,8 +1016,9 @@ local function check_mime_type(task)
               if ext2 then
                 local enc_ext = gen_extension(fl[1].name)
 
-                if enc_ext and
-                    not string.match(ext2, '^%d+$')
+                if enc_ext
+                    and settings['bad_extensions'][enc_ext]
+                    and not string.match(ext2, '^%d+$')
                     and enc_ext ~= ext2 then
                   task:insert_result(settings['symbol_double_extension'], 2.0,
                       string.format("%s!=%s", ext2, enc_ext))