X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=util%2Fdependencies.lua;h=9ab4076517cb58a477fe6ead86690849b846e9d5;hb=b244d865c10f013995fa3615cd9ddc019c352d55;hp=ea19d9a8b606b4f5cfa1d372b54d0f117035135c;hpb=d7500b793dfcb85934bc5c42213dc6b393b1a2f6;p=prosody.git

diff --git a/util/dependencies.lua b/util/dependencies.lua
index ea19d9a8..9ab40765 100644
--- a/util/dependencies.lua
+++ b/util/dependencies.lua
@@ -6,16 +6,14 @@
 -- 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));
@@ -48,11 +46,11 @@ package.preload["util.ztact"] = function ()
 	end
 end;
 
-function check_dependencies()
-	if _VERSION ~= "Lua 5.1" then
+local function check_dependencies()
+	if _VERSION < "Lua 5.1" then
 		print "***********************************"
 		print("Unsupported Lua version: ".._VERSION);
-		print("Only Lua 5.1 is supported.");
+		print("At least Lua 5.1 is required.");
 		print "***********************************"
 		return false;
 	end
@@ -137,22 +135,27 @@ function check_dependencies()
 	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 http://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.");
 		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 "
@@ -162,4 +165,9 @@ function log_warnings()
 	end
 end
 
-return _M;
+return {
+	softreq = softreq;
+	missingdep = missingdep;
+	check_dependencies = check_dependencies;
+	log_warnings = log_warnings;
+};