From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Mon, 17 May 2021 20:13:53 +0000 (+0100)
Subject: [Minor] Fix non-utf inputs checking
X-Git-Tag: 3.0~395
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=f8e81ccc2c3da02b7d0a0451a034cccf8b5846b8;p=thirdparty%2Frspamd.git

[Minor] Fix non-utf inputs checking
---

diff --git a/lualib/lua_magic/heuristics.lua b/lualib/lua_magic/heuristics.lua
index f539954efd..b124954f10 100644
--- a/lualib/lua_magic/heuristics.lua
+++ b/lualib/lua_magic/heuristics.lua
@@ -347,11 +347,15 @@ exports.text_part_heuristic = function(part, log_obj, _)
                 bit.band(bytes[idx + 2], 0xc0) == 0x80 and
                 bit.band(bytes[idx + 3], 0xc0) == 0x80 then
           return true,3
+        else
+          -- Non utf
+          return false,0
         end
 
         n8bit = n8bit + 1
         idx = idx + 1
         b = bytes[idx]
+        remain = remain - 1
       end
 
       if n8bit >= 3 then