Wed, 21 Oct 2009 13:59:54 +0100
connlisteners: Localize tostring, fixes possible traceback when LuaSec not installed
-- Prosody IM -- Copyright (C) 2008-2009 Matthew Wild -- Copyright (C) 2008-2009 Waqas Hussain -- -- This project is MIT/X11 licensed. Please see the -- COPYING file in the source package for more information. -- local want_pposix_version = "0.3.1"; local pposix = assert(require "util.pposix"); if pposix._VERSION ~= want_pposix_version then module:log("warn", "Unknown version (%s) of binary pposix module, expected %s", tostring(pposix._VERSION), want_pposix_version); end local signal = select(2, pcall(require, "util.signal")); if type(signal) == "string" then module:log("warn", "Couldn't load signal library, won't respond to SIGTERM"); end local logger_set = require "util.logger".setwriter; local prosody = _G.prosody; module.host = "*"; -- we're a global module -- Allow switching away from root, some people like strange ports. module:add_event_hook("server-started", function () local uid = module:get_option("setuid"); local gid = module:get_option("setgid"); if gid then local success, msg = pposix.setgid(gid); if success then module:log("debug", "Changed group to "..gid.." successfully."); else module:log("error", "Failed to change group to "..gid..". Error: "..msg); prosody.shutdown("Failed to change group to "..gid); end end if uid then local success, msg = pposix.setuid(uid); if success then module:log("debug", "Changed user to "..uid.." successfully."); else module:log("error", "Failed to change user to "..uid..". Error: "..msg); prosody.shutdown("Failed to change user to "..uid); end end end); -- Don't even think about it! module:add_event_hook("server-starting", function () local suid = module:get_option("setuid"); if not suid or suid == 0 or suid == "root" then if pposix.getuid() == 0 and not module:get_option("run_as_root") then module:log("error", "Danger, Will Robinson! Prosody doesn't need to be run as root, so don't do it!"); module:log("error", "For more information on running Prosody as root, see http://prosody.im/doc/root"); prosody.shutdown("Refusing to run as root"); end end end); local pidfile_written; local function remove_pidfile() if pidfile_written then os.remove(pidfile_written); pidfile_written = nil; end end local function write_pidfile() if pidfile_written then remove_pidfile(); end local pidfile = module:get_option("pidfile"); if pidfile then local pf, err = io.open(pidfile, "w+"); if not pf then module:log("error", "Couldn't write pidfile; %s", err); else pf:write(tostring(pposix.getpid())); pf:close(); pidfile_written = pidfile; end end end local syslog_opened function syslog_sink_maker(config) if not syslog_opened then pposix.syslog_open("prosody"); syslog_opened = true; end local syslog, format = pposix.syslog_log, string.format; return function (name, level, message, ...) if ... then syslog(level, format(message, ...)); else syslog(level, message); end end; end require "core.loggingmanager".register_sink_type("syslog", syslog_sink_maker); if not module:get_option("no_daemonize") then local function daemonize_server() local ok, ret = pposix.daemonize(); if not ok then module:log("error", "Failed to daemonize: %s", ret); elseif ret and ret > 0 then os.exit(0); else module:log("info", "Successfully daemonized to PID %d", pposix.getpid()); write_pidfile(); end end module:add_event_hook("server-starting", daemonize_server); else -- Not going to daemonize, so write the pid of this process write_pidfile(); end module:add_event_hook("server-stopped", remove_pidfile); -- Set signal handlers if signal.signal then signal.signal("SIGTERM", function () module:log("warn", "Received SIGTERM"); prosody.unlock_globals(); prosody.shutdown("Received SIGTERM"); prosody.lock_globals(); end); signal.signal("SIGHUP", function () module:log("info", "Received SIGHUP"); prosody.reload_config(); prosody.reopen_logfiles(); end); end