File

misc/systemd/socket-activation.lua @ 5185:09d6bbd6c8a4

mod_http_oauth2: Fix treatment of 'redirect_uri' parameter in code flow It's optional and the one stored in the client registration should really be used instead. RFC 6749 says an URI provided as parameter MUST be validated against the stored one but does not say how. Given that the client needs their secret to proceed, it seems fine to leave this for later.
author Kim Alvefur <zash@zash.se>
date Thu, 02 Mar 2023 22:00:42 +0100
parent 2352:3296a09b4e57
line wrap: on
line source

-- Monkeypatch to support socket activation
--
-- Requires LuaSocket after "agnostic" changes merged
--
-- To enable:
-- RunScript "socket-activation.lua"

local socket = require"socket";
local tcp_serv_mt = debug.getregistry()["tcp{server}"];
local socket_bind = socket.bind;

local SD_LISTEN_FDS_START = 3;

local fds = tonumber(os.getenv"LISTEN_FDS") or 0;

if fds < SD_LISTEN_FDS_START then return; end

local servs = {};

for i = 1, fds do
	local serv = socket.tcp();
	if serv:getfd() >= 0 then
		return; -- This won't work, we will leak the old FD
	end
	debug.setmetatable(serv, tcp_serv_mt);
	serv:setfd(SD_LISTEN_FDS_START + i - 1);
	local ip, port = serv:getsockname();
	servs [ ip .. ":" .. port ] = serv;
end

function socket.bind( ip, port, backlog )
	local sock = servs [ ip .. ":" .. port ];
	if sock then
		servs [ ip .. ":" .. port ] = nil;
		return sock;
	end
	if next(servs) == nil then
		-- my work here is done
		socket.bind = socket_bind;
	end
	return socket_bind( ip, port, backlog );
end