From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Sun, 9 Apr 2017 09:46:51 +0000 (+0100)
Subject: [Minor] Filter bad utf8 subjects
X-Git-Tag: 1.5.5~3
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=53a6f9ec822d73a83e7d1221aec1cafac8d16585;p=rspamd.git

[Minor] Filter bad utf8 subjects
---

diff --git a/src/plugins/lua/history_redis.lua b/src/plugins/lua/history_redis.lua
index 13e780e52..1564f467c 100644
--- a/src/plugins/lua/history_redis.lua
+++ b/src/plugins/lua/history_redis.lua
@@ -163,7 +163,13 @@ local function handle_history_request(task, conn, from, to, reset)
         -- Parse elements using ucl
         data = fun.totable(
           fun.map(function (_, obj) return obj end,
-          fun.filter(function(res, obj) if res then return true end end,
+          fun.filter(function(res, obj)
+              if res and (not obj.subject or
+                  rspamd_util.is_valid_utf8(obj.subject)) then
+                return true
+              end
+              return false
+            end,
             fun.map(function(elt)
               local parser = ucl.parser()
               local res,_ = parser:parse_string(elt)