util.startup: Check root after detecting platform and reading config (thanks SigmaTel71)
Ensures that startup.detect_platform() runs so know whether to use the
POSIX method of checking the current user or something else. Also after
reading the config so we know whether the root override setting is set.
#!/usr/bin/env lua
-- Prosody IM
-- Copyright (C) 2008-2010 Matthew Wild
-- Copyright (C) 2008-2010 Waqas Hussain
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--
-- prosody - main executable for Prosody XMPP server
-- Will be modified by configure script if run --
CFG_SOURCEDIR=CFG_SOURCEDIR or os.getenv("PROSODY_SRCDIR");
CFG_CONFIGDIR=CFG_CONFIGDIR or os.getenv("PROSODY_CFGDIR");
CFG_PLUGINDIR=CFG_PLUGINDIR or os.getenv("PROSODY_PLUGINDIR");
CFG_DATADIR=CFG_DATADIR or os.getenv("PROSODY_DATADIR");
-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
local function is_relative(path)
local path_sep = package.config:sub(1,1);
return ((path_sep == "/" and path:sub(1,1) ~= "/")
or (path_sep == "\\" and (path:sub(1,1) ~= "/" and path:sub(2,3) ~= ":\\")))
end
-- Tell Lua where to find our libraries
if CFG_SOURCEDIR then
local function filter_relative_paths(path)
if is_relative(path) then return ""; end
end
local function sanitise_paths(paths)
return (paths:gsub("[^;]+;?", filter_relative_paths):gsub(";;+", ";"));
end
package.path = sanitise_paths(CFG_SOURCEDIR.."/?.lua;"..package.path);
package.cpath = sanitise_paths(CFG_SOURCEDIR.."/?.so;"..package.cpath);
end
-- Substitute ~ with path to home directory in data path
if CFG_DATADIR then
if os.getenv("HOME") then
CFG_DATADIR = CFG_DATADIR:gsub("^~", os.getenv("HOME"));
end
end
-- Check before first require, to preempt the probable failure
if _VERSION < "Lua 5.2" then
io.stderr:write("Prosody is no longer compatible with Lua 5.1\n")
io.stderr:write("See https://prosody.im/doc/depends#lua for more information\n")
return os.exit(1);
end
if not pcall(require, "prosody.loader") then
pcall(require, "loader");
end
local startup = require "prosody.util.startup";
local async = require "prosody.util.async";
-- Note: it's important that this thread is not GC'd, as some C libraries
-- that are initialized here store a pointer to it ( :/ ).
local thread = async.runner();
thread:run(startup.prosody);
prosody.main_thread = thread;
local function loop()
-- Error handler for errors that make it this far
local function catch_uncaught_error(err)
if type(err) == "string" and err:match("interrupted!$") then
return "quitting";
end
prosody.log("error", "Top-level error, please report:\n%s", tostring(err));
local traceback = debug.traceback("", 2);
if traceback then
prosody.log("error", "%s", traceback);
end
prosody.events.fire_event("very-bad-error", {error = err, traceback = traceback});
end
local sleep = require"socket".sleep;
local server = require "prosody.net.server";
while select(2, xpcall(server.loop, catch_uncaught_error)) ~= "quitting" do
sleep(0.2);
end
end
loop();
startup.exit();