-- 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.
--
-module("dependencies", package.seeall)
-
-function softreq(...) local ok, lib = pcall(require, ...); if ok then return lib; else return nil, lib; end end
+local function softreq(...) local ok, lib = pcall(require, ...); if ok then return lib; else return nil, lib; end end
-- Required to be able to find packages installed with luarocks
if not softreq "luarocks.loader" then -- LuaRocks 2.x
softreq "luarocks.require"; -- LuaRocks <1.x
end
-function missingdep(name, sources, msg)
+local function missingdep(name, sources, msg)
print("");
print("**************************");
print("Prosody was unable to find "..tostring(name));
end
print("");
print(msg or (name.." is required for Prosody to run, so we will now exit."));
- print("More help can be found on our website, at http://prosody.im/doc/depends");
+ print("More help can be found on our website, at https://prosody.im/doc/depends");
print("**************************");
print("");
end
--- COMPAT w/pre-0.8 Debian: The Debian config file used to use
+-- COMPAT w/pre-0.8 Debian: The Debian config file used to use
-- util.ztact, which has been removed from Prosody in 0.8. This
-- is to log an error for people who still use it, so they can
-- update their configs.
package.preload["util.ztact"] = function ()
if not package.loaded["core.loggingmanager"] then
error("util.ztact has been removed from Prosody and you need to fix your config "
- .."file. More information can be found at http://prosody.im/doc/packagers#ztact", 0);
+ .."file. More information can be found at https://prosody.im/doc/packagers#ztact", 0);
else
error("module 'util.ztact' has been deprecated in Prosody 0.8.");
end
end;
-function check_dependencies()
+local function check_dependencies()
+ if _VERSION < "Lua 5.1" then
+ print "***********************************"
+ print("Unsupported Lua version: ".._VERSION);
+ print("At least Lua 5.1 is required.");
+ print "***********************************"
+ return false;
+ end
+
local fatal;
-
+
local lxp = softreq "lxp"
-
+
if not lxp then
missingdep("luaexpat", {
["Debian/Ubuntu"] = "sudo apt-get install liblua5.1-expat0";
});
fatal = true;
end
-
+
local socket = softreq "socket"
-
+
if not socket then
missingdep("luasocket", {
["Debian/Ubuntu"] = "sudo apt-get install liblua5.1-socket2";
});
fatal = true;
end
-
+
local lfs, err = softreq "lfs"
if not lfs then
missingdep("luafilesystem", {
});
fatal = true;
end
-
+
local ssl = softreq "ssl"
-
+
if not ssl then
missingdep("LuaSec", {
- ["Debian/Ubuntu"] = "http://prosody.im/download/start#debian_and_ubuntu";
+ ["Debian/Ubuntu"] = "https://prosody.im/download/start#debian_and_ubuntu";
["luarocks"] = "luarocks install luasec";
["Source"] = "http://www.inf.puc-rio.br/~brunoos/luasec/";
}, "SSL/TLS support will not be available");
end
-
+
local encodings, err = softreq "util.encodings"
if not encodings then
- if err:match("not found") then
+ if err:match("module '[^']*' not found") then
missingdep("util.encodings", { ["Windows"] = "Make sure you have encodings.dll from the Prosody distribution in util/";
["GNU/Linux"] = "Run './configure' and 'make' in the Prosody source directory to build util/encodings.so";
});
local hashes, err = softreq "util.hashes"
if not hashes then
- if err:match("not found") then
+ if err:match("module '[^']*' not found") then
missingdep("util.hashes", { ["Windows"] = "Make sure you have hashes.dll from the Prosody distribution in util/";
["GNU/Linux"] = "Run './configure' and 'make' in the Prosody source directory to build util/hashes.so";
});
return not fatal;
end
-function log_warnings()
+local function log_warnings()
+ if _VERSION > "Lua 5.1" then
+ prosody.log("warn", "Support for %s is experimental, please report any issues", _VERSION);
+ end
+ local ssl = softreq"ssl";
if ssl then
local major, minor, veryminor, patched = ssl._VERSION:match("(%d+)%.(%d+)%.?(%d*)(M?)");
if not major or ((tonumber(major) == 0 and (tonumber(minor) or 0) <= 3 and (tonumber(veryminor) or 0) <= 2) and patched ~= "M") then
- log("error", "This version of LuaSec contains a known bug that causes disconnects, see http://prosody.im/doc/depends");
+ prosody.log("error", "This version of LuaSec contains a known bug that causes disconnects, see https://prosody.im/doc/depends");
end
end
+ local lxp = softreq"lxp";
if lxp then
if not pcall(lxp.new, { StartDoctypeDecl = false }) then
- log("error", "The version of LuaExpat on your system leaves Prosody "
+ prosody.log("error", "The version of LuaExpat on your system leaves Prosody "
.."vulnerable to denial-of-service attacks. You should upgrade to "
.."LuaExpat 1.3.0 or higher as soon as possible. See "
- .."http://prosody.im/doc/depends#luaexpat for more information.");
+ .."https://prosody.im/doc/depends#luaexpat for more information.");
end
if not lxp.new({}).getcurrentbytecount then
- log("error", "The version of LuaExpat on your system does not support "
+ prosody.log("error", "The version of LuaExpat on your system does not support "
.."stanza size limits, which may leave servers on untrusted "
.."networks (e.g. the internet) vulnerable to denial-of-service "
.."attacks. You should upgrade to LuaExpat 1.3.0 or higher as "
.."soon as possible. See "
- .."http://prosody.im/doc/depends#luaexpat for more information.");
+ .."https://prosody.im/doc/depends#luaexpat for more information.");
end
end
end
-return _M;
+return {
+ softreq = softreq;
+ missingdep = missingdep;
+ check_dependencies = check_dependencies;
+ log_warnings = log_warnings;
+};
projects / prosody.git / blobdiff