mod_s2sout_override/mod_s2sout_override.lua
author Kim Alvefur <zash@zash.se>
Wed, 24 May 2023 16:34:35 +0200
changeset 5491 6cf2f32dbf40
parent 5490 71243bedb2b0
child 5625 b87a23b45725
permissions -rw-r--r--
mod_s2sout_override: Add support for Direct TLS Well that was easy

--% requires: s2sout-pre-connect-event

local url = require"socket.url";
local basic_resolver = require "net.resolvers.basic";

local override_for = module:get_option(module.name, {}); -- map of host to "tcp://example.com:5269"

module:hook("s2sout-pre-connect", function(event)
	local override = override_for[event.session.to_host];
	if type(override) == "string" then
		override = url.parse(override);
	end
	if type(override) == "table" and override.scheme == "tcp" and type(override.host) == "string" then
		event.resolver = basic_resolver.new(override.host, tonumber(override.port) or 5269, override.scheme, {});
	elseif type(override) == "table" and override.scheme == "tls" and type(override.host) == "string" then
		event.resolver = basic_resolver.new(override.host, tonumber(override.port) or 5270, "tcp",
			{ servername = event.session.to_host; sslctx = event.session.ssl_ctx });
	end
end);