From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Tue, 10 Apr 2018 12:54:10 +0000 (+0100)
Subject: [Minor] Further key length optimization
X-Git-Tag: 1.7.3~4
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=fb2d63d037216bc006538cf93e3643cb82abc51f;p=rspamd.git

[Minor] Further key length optimization
---

diff --git a/src/plugins/lua/ratelimit.lua b/src/plugins/lua/ratelimit.lua
index 0706abc3e..935a4a247 100644
--- a/src/plugins/lua/ratelimit.lua
+++ b/src/plugins/lua/ratelimit.lua
@@ -358,8 +358,10 @@ local function ratelimit_cb(task)
       local prefix = gen_rate_key(task, k, bucket)
 
       if prefix then
+        local hash_len = 24
+        if hash_len > #prefix then hash_len = #prefix end
         local hash = settings.prefix ..
-                string.sub(rspamd_hash.create(prefix):base32(), 1, 24)
+                string.sub(rspamd_hash.create(prefix):base32(), 1, hash_len)
         prefixes[prefix] = {
           bucket = bucket,
           name = k,