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-rw-r--r--util/dependencies.lua173
1 files changed, 117 insertions, 56 deletions
diff --git a/util/dependencies.lua b/util/dependencies.lua
index 5b07072f..53d2719d 100644
--- a/util/dependencies.lua
+++ b/util/dependencies.lua
@@ -1,24 +1,32 @@
-- Prosody IM
--- Copyright (C) 2008-2009 Matthew Wild
--- Copyright (C) 2008-2009 Waqas Hussain
+-- 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)
-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, 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
-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."));
@@ -27,62 +35,115 @@ 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"
+-- 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);
+ else
+ error("module 'util.ztact' has been deprecated in Prosody 0.8.");
+ end
+end;
-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 ssl = softreq "ssl"
-
-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 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 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
-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 "***********************************"
+ 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
- fatal = true;
+ return not fatal;
end
-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 "***********************************"
+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
+ if lxp then
+ if not pcall(lxp.new, { StartDoctypeDecl = false }) then
+ log("error", "The version of LuaExpat on your system leaves Prosody "
+ .."vulnerable to denial-of-service attacks. You should upgrade to "
+ .."LuaExpat 1.1.1 or higher as soon as possible. See "
+ .."http://prosody.im/doc/depends#luaexpat for more information.");
+ end
end
- fatal = true;
end
-if fatal then os.exit(1); end
+return _M;