view mod_warn_legacy_tls/mod_warn_legacy_tls.lua @ 3726:362c45f67704

mod_warn_legacy_tls: Copy of mod_sslv3_warn for TLS now that <1.2 is becoming obsolete
author Kim Alvefur <>
date Sun, 03 Nov 2019 12:56:25 +0100
parents mod_sslv3_warn/mod_sslv3_warn.lua@37cef218ba20
children 36023eb3254e
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local st = require"util.stanza";
local host =;

local warning_message = module:get_option_string("sslv3_warning", "Your connection is encrypted using the SSL 3.0 protocol, which has been demonstrated to be insecure and will be disabled soon.  Please upgrade your client.");

module:hook("resource-bind", function (event)
	local session = event.session;
	module:log("debug", "mod_%s sees that %s logged in",, session.username);

	local ok, protocol = pcall(function(session)
		return session.conn:socket():info"protocol";
	end, session);
	if not ok then
		module:log("debug", protocol);
	elseif protocol == "SSLv3" then
		module:add_timer(15, function ()
			if session.type == "c2s" and session.resource then
				session.send(st.message({ from = host, type = "headline", to = session.full_jid }, warning_message));