File

mod_sslv3_warn/mod_sslv3_warn.lua @ 6195:886c985ece61

mod_lastlog2: Skip initializing internal API (and storage) in prosodyctl Initializing storage in the global context under prosodyctl causes the module.command to fail to execute because the storage module has already been loaded. Introduced in 7b722955c59b
author Kim Alvefur <zash@zash.se>
date Sat, 08 Feb 2025 14:12:18 +0100
parent 1525:37cef218ba20
line wrap: on
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local st = require"util.stanza";
local host = module.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", module.name, 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));
			end
		end);
	end
end);