util.sasl_cyrus: Protect the call to cyrussasl.server_new properly.

[prosody.git] / core / configmanager.lua

diff --git a/core/configmanager.lua b/core/configmanager.lua
index ada14051ac1f38dc49fd52a95aa73db58034dcf0..0f20fd3ee124f8fc2b2a7c14b1cef243535d107f 100644 (file)
--- a/core/configmanager.lua
+++ b/core/configmanager.lua
@@ -9,8 +9,9 @@
 
 
 local _G = _G;
-local  setmetatable, loadfile, pcall, rawget, rawset, io, error, dofile, type, pairs, table =
-               setmetatable, loadfile, pcall, rawget, rawset, io, error, dofile, type, pairs, table;
+local  setmetatable, loadfile, pcall, rawget, rawset, io, error, dofile, type, pairs, table, format =
+               setmetatable, loadfile, pcall, rawget, rawset, io, error, dofile, type, pairs, table, string.format;
+
 
 local eventmanager = require "core.eventmanager";
 
@@ -124,6 +125,10 @@ do
                
                rawset(env, "__currenthost", "*") -- Default is global
                function env.Host(name)
+                       if rawget(config, name) and rawget(config[name].core, "component_module") then
+                               error(format("Host %q clashes with previously defined %s Component %q, for services use a sub-domain like conference.%s",
+                                       name, config[name].core.component_module:gsub("^%a+$", { component = "external", muc = "MUC"}), name, name), 0);
+                       end
                        rawset(env, "__currenthost", name);
                        -- Needs at least one setting to logically exist :)
                        set(name or "*", "core", "defined", true);
@@ -131,6 +136,10 @@ do
                env.host = env.Host;
                
                function env.Component(name)
+                       if rawget(config, name) and rawget(config[name].core, "defined") and not rawget(config[name].core, "component_module") then
+                               error(format("Component %q clashes with previously defined Host %q, for services use a sub-domain like conference.%s",
+                                       name, name, name), 0);
+                       end
                        set(name, "core", "component_module", "component");
                        -- Don't load the global modules by default
                        set(name, "core", "load_global_modules", false);