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113 lines
3.1 KiB
113 lines
3.1 KiB
-- Prosody IM
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-- Copyright (C) 2008-2009 Matthew Wild
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-- Copyright (C) 2008-2009 Waqas Hussain
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--
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-- This project is MIT/X11 licensed. Please see the
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-- COPYING file in the source package for more information.
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--
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local want_pposix_version = "0.3.1";
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local pposix = assert(require "util.pposix");
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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
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local signal = select(2, pcall(require, "util.signal"));
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if type(signal) == "string" then
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module:log("warn", "Couldn't load signal library, won't respond to SIGTERM");
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end
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local config_get = require "core.configmanager".get;
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local logger_set = require "util.logger".setwriter;
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local prosody = _G.prosody;
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module.host = "*"; -- we're a global module
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-- Don't even think about it!
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module:add_event_hook("server-starting", function ()
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if pposix.getuid() == 0 and not config_get("*", "core", "run_as_root") then
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module:log("error", "Danger, Will Robinson! Prosody doesn't need to be run as root, so don't do it!");
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module:log("error", "For more information on running Prosody as root, see http://prosody.im/doc/root");
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prosody.shutdown("Refusing to run as root");
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end
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end);
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local pidfile_written;
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local function remove_pidfile()
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if pidfile_written then
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os.remove(pidfile_written);
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pidfile_written = nil;
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end
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end
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local function write_pidfile()
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if pidfile_written then
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remove_pidfile();
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end
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local pidfile = config_get("*", "core", "pidfile");
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if pidfile then
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local pf, err = io.open(pidfile, "w+");
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if not pf then
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module:log("error", "Couldn't write pidfile; %s", err);
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else
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pf:write(tostring(pposix.getpid()));
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pf:close();
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pidfile_written = pidfile;
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end
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end
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end
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local syslog_opened
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function syslog_sink_maker(config)
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if not syslog_opened then
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pposix.syslog_open("prosody");
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syslog_opened = true;
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end
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local syslog, format = pposix.syslog_log, string.format;
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return function (name, level, message, ...)
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if ... then
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syslog(level, format(message, ...));
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else
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syslog(level, message);
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end
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end;
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end
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require "core.loggingmanager".register_sink_type("syslog", syslog_sink_maker);
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if not config_get("*", "core", "no_daemonize") then
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local function daemonize_server()
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local ok, ret = pposix.daemonize();
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if not ok then
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module:log("error", "Failed to daemonize: %s", ret);
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elseif ret and ret > 0 then
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os.exit(0);
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else
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module:log("info", "Successfully daemonized to PID %d", pposix.getpid());
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write_pidfile();
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end
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end
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module:add_event_hook("server-starting", daemonize_server);
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else
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-- Not going to daemonize, so write the pid of this process
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write_pidfile();
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end
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module:add_event_hook("server-stopped", remove_pidfile);
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-- Set signal handlers
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if signal.signal then
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signal.signal("SIGTERM", function ()
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module:log("warn", "Received SIGTERM");
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prosody.unlock_globals();
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prosody.shutdown("Received SIGTERM");
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prosody.lock_globals();
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end);
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signal.signal("SIGHUP", function ()
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module:log("info", "Received SIGHUP");
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prosody.reload_config();
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prosody.reopen_logfiles();
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end);
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end
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