commit 20f3cd1: [Minor] Trim array instead of skipping checks

[Vsevolod Stakhov]

Author: Vsevolod Stakhov
Date: 2020-05-21 14:35:43 +0100
URL: https://github.com/rspamd/rspamd/commit/20f3cd1e223fed2bd7ea73ed90c1363b3f4d922e (HEAD -> master)

[Minor] Trim array instead of skipping checks

---
 src/plugins/lua/forged_recipients.lua | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/plugins/lua/forged_recipients.lua b/src/plugins/lua/forged_recipients.lua
index 5869b784e..328644c8c 100644
--- a/src/plugins/lua/forged_recipients.lua
+++ b/src/plugins/lua/forged_recipients.lua
@@ -48,7 +48,9 @@ local function check_forged_headers(task)
   -- Find pair for each smtp recipient in To or Cc headers
   -- This cycle has O(N^2) complexity so it is better to limit number of iterations
   if #smtp_rcpt > 100 or #mime_rcpt > 100 then
-    return
+    -- Trim array, suggested by Anton Yuzhaninov
+    smtp_rcpt[100] = nil
+    mime_rcpt[100] = nil
   end
 
   for _,sr in ipairs(smtp_rcpt) do