[Fix] ARC: Fix Lua 5.3 compatibility; timestamp should be integer

diff --git a/src/plugins/lua/arc.lua b/src/plugins/lua/arc.lua
index f8ff800e037176106fdae35a0dedc5bd9531b6f3..851f196aa7a5775174bd23a6c6a9308e2b875d67 100644 (file)
--- a/src/plugins/lua/arc.lua
+++ b/src/plugins/lua/arc.lua
@@ -411,7 +411,7 @@ local function arc_sign_seal(task, params, header)
   rspamd_logger.debugm(N, task, 'update signature with header: %s', s)
 
   local cur_arc_seal = string.format('i=%d; s=%s; d=%s; t=%d; a=rsa-sha256; cv=%s; b=',
-      cur_idx, params.selector, params.domain, rspamd_util.get_time(), params.arc_cv)
+      cur_idx, params.selector, params.domain, math.floor(rspamd_util.get_time()), params.arc_cv)
   s = string.format('%s:%s', 'arc-seal', cur_arc_seal)
   sha_ctx:update(s)
   rspamd_logger.debugm(N, task, 'initial update signature with header: %s', s)