X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=util%2Fdependencies.lua;h=9371521caeca1817320af115c5d2160639b05ec2;hb=492c253d150aeb7edb6687eb9bf085be6c33133a;hp=d841b30da2a36bb70b265432a29ab81a8daf6f42;hpb=bc410d379bc5ca44553f29b3671804acf3d4de91;p=prosody.git

diff --git a/util/dependencies.lua b/util/dependencies.lua
index d841b30d..9371521c 100644
--- a/util/dependencies.lua
+++ b/util/dependencies.lua
@@ -1,35 +1,32 @@
--- Prosody IM v0.1
--- Copyright (C) 2008 Matthew Wild
--- Copyright (C) 2008 Waqas Hussain
+-- Prosody IM
+-- Copyright (C) 2008-2010 Matthew Wild
+-- Copyright (C) 2008-2010 Waqas Hussain
 -- 
--- This program is free software; you can redistribute it and/or
--- modify it under the terms of the GNU General Public License
--- as published by the Free Software Foundation; either version 2
--- of the License, or (at your option) any later version.
--- 
--- This program is distributed in the hope that it will be useful,
--- but WITHOUT ANY WARRANTY; without even the implied warranty of
--- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
--- GNU General Public License for more details.
--- 
--- You should have received a copy of the GNU General Public License
--- along with this program; if not, write to the Free Software
--- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+-- This project is MIT/X11 licensed. Please see the
+-- COPYING file in the source package for more information.
 --
 
+module("dependencies", package.seeall)
 
-local fatal;
+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; 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
 
-local function missingdep(name, sources, msg)
+function missingdep(name, sources, msg)
 	print("");
 	print("**************************");
 	print("Prosody was unable to find "..tostring(name));
 	print("This package can be obtained in the following ways:");
 	print("");
-	for k,v in pairs(sources) do
-		print("", k, v);
+	local longest_platform = 0;
+	for platform in pairs(sources) do
+		longest_platform = math.max(longest_platform, #platform);
+	end
+	for platform, source in pairs(sources) do
+		print("", platform..":"..(" "):rep(4+longest_platform-#platform)..source);
 	end
 	print("");
 	print(msg or (name.." is required for Prosody to run, so we will now exit."));
@@ -38,29 +35,94 @@ local function missingdep(name, sources, msg)
 	print("");
 end
 
-local lxp = softreq "lxp"
-
-if not lxp then
-	missingdep("luaexpat", { ["Ubuntu 8.04 (Hardy)"] = "sudo apt-get install liblua5.1-expat0"; ["luarocks"] = "luarocks install luaexpat"; });
-	fatal = true;
-end
-
-local socket = softreq "socket"
-
-if not socket then
-	missingdep("luasocket", { ["Ubuntu 8.04 (Hardy)"] = "sudo apt-get install liblua5.1-socket2"; ["luarocks"] = "luarocks install luasocket"; });
-	fatal = true;
-end
+function check_dependencies()
+	local fatal;
+	
+	local lxp = softreq "lxp"
+	
+	if not lxp then
+		missingdep("luaexpat", {
+				["Debian/Ubuntu"] = "sudo apt-get install liblua5.1-expat0";
+				["luarocks"] = "luarocks install luaexpat";
+				["Source"] = "http://www.keplerproject.org/luaexpat/";
+			});
+		fatal = true;
+	end
 	
-local ssl = softreq "ssl"
+	local socket = softreq "socket"
+	
+	if not socket then
+		missingdep("luasocket", {
+				["Debian/Ubuntu"] = "sudo apt-get install liblua5.1-socket2";
+				["luarocks"] = "luarocks install luasocket";
+				["Source"] = "http://www.tecgraf.puc-rio.br/~diego/professional/luasocket/";
+			});
+		fatal = true;
+	end
+	
+	local lfs, err = softreq "lfs"
+	if not lfs then
+		missingdep("luafilesystem", {
+				["luarocks"] = "luarocks install luafilesystem";
+		 		["Debian/Ubuntu"] = "sudo apt-get install liblua5.1-filesystem0";
+		 		["Source"] = "http://www.keplerproject.org/luafilesystem/";
+		 	});
+		fatal = true;
+	end
+	
+	local ssl = softreq "ssl"
+	
+	if not ssl then
+		missingdep("LuaSec", {
+				["Debian/Ubuntu"] = "http://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
+			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";
+		 			});
+		else
+			print "***********************************"
+			print("util/encodings couldn't be loaded. Check that you have a recent version of libidn");
+			print ""
+			print("The full error was:");
+			print(err)
+			print "***********************************"
+		end
+		fatal = true;
+	end
 
-if not ssl then
-	if config.get("*", "core", "run_without_ssl") then
-		log("warn", "Running without SSL support because run_without_ssl is defined in the config");
-	else
-		missingdep("LuaSec", { ["Source"] = "http://www.inf.puc-rio.br/~brunoos/luasec/" }, "SSL/TLS support will not be available");
+	local hashes, err = softreq "util.hashes"
+	if not hashes then
+		if err:match("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";
+		 			});
+	 	else
+			print "***********************************"
+			print("util/hashes couldn't be loaded. Check that you have a recent version of OpenSSL (libcrypto in particular)");
+			print ""
+			print("The full error was:");
+			print(err)
+			print "***********************************"
+		end
+		fatal = true;
 	end
+	return not fatal;
 end
 
+function log_warnings()
+	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");
+		end
+	end
+end
 
-if fatal then os.exit(1); end
+return _M;