From: Anton Yuzhaninov <citrin+github@citrin.ru>
Date: Mon, 24 Jun 2019 11:13:31 +0000 (+0100)
Subject: [Minor] Check that ASN extracted from DNS record is numeris
X-Git-Tag: 2.0~727^2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4977a84b1835cd67ed2a909fd91b52375ec2fb53;p=thirdparty%2Frspamd.git

[Minor] Check that ASN extracted from DNS record is numeris
---

diff --git a/src/plugins/lua/asn.lua b/src/plugins/lua/asn.lua
index 5adc2bd7f4..7f236ca99c 100644
--- a/src/plugins/lua/asn.lua
+++ b/src/plugins/lua/asn.lua
@@ -42,8 +42,12 @@ local function asn_check(task)
     local descr_t = {}
     local mempool = task:get_mempool()
     if asn then
-      mempool:set_variable("asn", asn)
-      table.insert(descr_t, "asn:" .. asn)
+      if tonumber(asn) ~= nil then
+        mempool:set_variable("asn", asn)
+        table.insert(descr_t, "asn:" .. asn)
+      else
+        rspamd_logger.errx(task, 'malformed ASN "%s" for ip %s', asn, task:get_from_ip())
+      end
     end
     if ipnet then
       mempool:set_variable("ipnet", ipnet)