2 -- Copyright (C) 2008-2010 Matthew Wild
3 -- Copyright (C) 2008-2010 Waqas Hussain
5 -- This project is MIT/X11 licensed. Please see the
6 -- COPYING file in the source package for more information.
12 local function softreq(...) local ok, lib = pcall(require, ...); if ok then return lib; else return nil, lib; end end
14 local function missingdep(name, sources, msg)
16 print("**************************");
17 print("Prosody was unable to find "..tostring(name));
18 print("This package can be obtained in the following ways:");
20 local longest_platform = 0;
21 for platform in pairs(sources) do
22 longest_platform = math.max(longest_platform, #platform);
24 for platform, source in pairs(sources) do
25 print("", platform..":"..(" "):rep(4+longest_platform-#platform)..source);
28 print(msg or (name.." is required for Prosody to run, so we will now exit."));
29 print("More help can be found on our website, at http://prosody.im/doc/depends");
30 print("**************************");
34 local lxp = softreq "lxp"
37 missingdep("luaexpat", {
38 ["Debian/Ubuntu"] = "sudo apt-get install liblua5.1-expat0";
39 ["luarocks"] = "luarocks install luaexpat";
40 ["Source"] = "http://www.keplerproject.org/luaexpat/";
45 local socket = softreq "socket"
48 missingdep("luasocket", {
49 ["Debian/Ubuntu"] = "sudo apt-get install liblua5.1-socket2";
50 ["luarocks"] = "luarocks install luasocket";
51 ["Source"] = "http://www.tecgraf.puc-rio.br/~diego/professional/luasocket/";
56 local lfs, err = softreq "lfs"
58 missingdep("luafilesystem", {
59 ["luarocks"] = "luarocks install luafilesystem";
60 ["Debian/Ubuntu"] = "sudo apt-get install liblua5.1-filesystem0";
61 ["Source"] = "http://www.keplerproject.org/luafilesystem/";
66 local ssl = softreq "ssl"
69 if config.get("*", "core", "run_without_ssl") then
70 log("warn", "Running without SSL support because run_without_ssl is defined in the config");
72 missingdep("LuaSec", {
73 ["Debian/Ubuntu"] = "http://prosody.im/download/start#debian_and_ubuntu";
74 ["luarocks"] = "luarocks install luasec";
75 ["Source"] = "http://www.inf.puc-rio.br/~brunoos/luasec/";
76 }, "SSL/TLS support will not be available");
79 local major, minor, veryminor, patched = ssl._VERSION:match("(%d+)%.(%d+)%.?(%d*)(M?)");
80 if not major or ((tonumber(major) == 0 and (tonumber(minor) or 0) <= 3 and (tonumber(veryminor) or 0) <= 2) and patched ~= "M") then
81 log("error", "This version of LuaSec contains a known bug that causes disconnects, see http://prosody.im/doc/depends");
85 local encodings, err = softreq "util.encodings"
87 if err:match("not found") then
88 missingdep("util.encodings", { ["Windows"] = "Make sure you have encodings.dll from the Prosody distribution in util/";
89 ["GNU/Linux"] = "Run './configure' and 'make' in the Prosody source directory to build util/encodings.so";
92 print "***********************************"
93 print("util/encodings couldn't be loaded. Check that you have a recent version of libidn");
95 print("The full error was:");
97 print "***********************************"
102 local hashes, err = softreq "util.hashes"
104 if err:match("not found") then
105 missingdep("util.hashes", { ["Windows"] = "Make sure you have hashes.dll from the Prosody distribution in util/";
106 ["GNU/Linux"] = "Run './configure' and 'make' in the Prosody source directory to build util/hashes.so";
109 print "***********************************"
110 print("util/hashes couldn't be loaded. Check that you have a recent version of OpenSSL (libcrypto in particular)");
112 print("The full error was:");
114 print "***********************************"
119 if fatal then os.exit(1); end