From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Thu, 7 Oct 2021 08:50:14 +0000 (+0100)
Subject: [Minor] Arc: Specify explicit order for the headers added
X-Git-Tag: 3.1~75
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=b8c0ebc33440fe15216a4369c73faa1951e6b244;p=rspamd.git

[Minor] Arc: Specify explicit order for the headers added
---

diff --git a/src/plugins/lua/arc.lua b/src/plugins/lua/arc.lua
index 0e575c5fd..eeff889f4 100644
--- a/src/plugins/lua/arc.lua
+++ b/src/plugins/lua/arc.lua
@@ -541,7 +541,9 @@ local function arc_sign_seal(task, params, header)
       ['ARC-Message-Signature'] = {order = 1, value = header},
       ['ARC-Seal'] = {order = 1, value = lua_util.fold_header(task,
               'ARC-Seal', cur_arc_seal) }
-    }
+    },
+    -- RFC requires a strict order for these headers to be inserted
+    order = {'ARC-Authentication-Results', 'ARC-Message-Signature', 'ARC-Seal'},
   })
   task:insert_result(settings.sign_symbol, 1.0,
       string.format('%s:s=%s:i=%d', params.domain, params.selector, cur_idx))