mod_muc: Allow admins to always bypass restrict_room_creation (thanks Chris B)
[prosody.git] / core / portmanager.lua
index 420c59ff0f36977e20257c9d6b1b9991fddb2f62..7a2474520ebbcbf4f58f3a43ca53fe04158cf0c6 100644 (file)
@@ -1,6 +1,7 @@
 local config = require "core.configmanager";
 local certmanager = require "core.certmanager";
 local server = require "net.server";
+local socket = require "socket";
 
 local log = require "util.logger".init("portmanager");
 local multitable = require "util.multitable";
@@ -8,7 +9,7 @@ local set = require "util.set";
 
 local table = table;
 local setmetatable, rawset, rawget = setmetatable, rawset, rawget;
-local type, tonumber, ipairs, pairs = type, tonumber, ipairs, pairs;
+local type, tonumber, tostring, ipairs, pairs = type, tonumber, tostring, ipairs, pairs;
 
 local prosody = prosody;
 local fire_event = prosody.events.fire_event;
@@ -17,9 +18,13 @@ module "portmanager";
 
 --- Config
 
-local default_interfaces = { "*" };
-local default_local_interfaces = { "127.0.0.1" };
-if config.get("*", "use_ipv6") then
+local default_interfaces = { };
+local default_local_interfaces = { };
+if config.get("*", "use_ipv4") ~= false then
+       table.insert(default_interfaces, "*");
+       table.insert(default_local_interfaces, "127.0.0.1");
+end
+if socket.tcp6 and config.get("*", "use_ipv6") ~= false then
        table.insert(default_interfaces, "::");
        table.insert(default_local_interfaces, "::1");
 end
@@ -52,13 +57,6 @@ local function error_to_friendly_message(service_name, port, err)
                end
        elseif err:match("permission") then
                friendly_message = "Prosody does not have sufficient privileges to use this port";
-       elseif err == "no ssl context" then
-               if not config.get("*", "core", "ssl") then
-                       friendly_message = "there is no 'ssl' config under Host \"*\" which is "
-                               .."require for legacy SSL ports";
-               else
-                       friendly_message = "initializing SSL support failed, see previous log entries";
-               end
        end
        return friendly_message;
 end
@@ -72,6 +70,16 @@ prosody.events.add_handler("item-removed/net-provider", function (event)
        unregister_service(item.name, item);
 end);
 
+local function duplicate_ssl_config(ssl_config)
+       local ssl_config = type(ssl_config) == "table" and ssl_config or {};
+
+       local _config = {};
+       for k, v in pairs(ssl_config) do
+               _config[k] = v;
+       end
+       return _config;
+end
+
 --- Public API
 
 function activate(service_name)
@@ -89,54 +97,83 @@ function activate(service_name)
 
        local bind_interfaces = config.get("*", config_prefix.."interfaces")
                or config.get("*", config_prefix.."interface") -- COMPAT w/pre-0.9
-               or (service_info.private and default_local_interfaces)
+               or (service_info.private and (config.get("*", "local_interfaces") or default_local_interfaces))
                or config.get("*", "interfaces")
                or config.get("*", "interface") -- COMPAT w/pre-0.9
                or listener.default_interface -- COMPAT w/pre0.9
                or default_interfaces
        bind_interfaces = set.new(type(bind_interfaces)~="table" and {bind_interfaces} or bind_interfaces);
        
-       local bind_ports = set.new(config.get("*", config_prefix.."ports")
+       local bind_ports = config.get("*", config_prefix.."ports")
                or service_info.default_ports
                or {service_info.default_port
                    or listener.default_port -- COMPAT w/pre-0.9
-                  });
+                  }
+       bind_ports = set.new(type(bind_ports) ~= "table" and { bind_ports } or bind_ports );
 
        local mode, ssl = listener.default_mode or "*a";
+       local hooked_ports = {};
        
        for interface in bind_interfaces do
                for port in bind_ports do
-                       port = tonumber(port);
-                       if #active_services:search(nil, interface, port) > 0 then
+                       local port_number = tonumber(port);
+                       if not port_number then
+                               log("error", "Invalid port number specified for service '%s': %s", service_info.name, tostring(port));
+                       elseif #active_services:search(nil, interface, port_number) > 0 then
                                log("error", "Multiple services configured to listen on the same port ([%s]:%d): %s, %s", interface, port, active_services:search(nil, interface, port)[1][1].service.name or "<unnamed>", service_name or "<unnamed>");
                        else
+                               local err;
                                -- Create SSL context for this service/port
                                if service_info.encryption == "ssl" then
-                                       local ssl_config = config.get("*", config_prefix.."ssl");
-                                       ssl = certmanager.create_context(service_info.name.." port "..port, "server", ssl_config and (ssl_config[port]
-                                               or (ssl_config.certificate and ssl_config)));
+                                       local ssl_config = duplicate_ssl_config((config.get("*", config_prefix.."ssl") and config.get("*", config_prefix.."ssl")[interface])
+                                                               or (config.get("*", config_prefix.."ssl") and config.get("*", config_prefix.."ssl")[port])
+                                                               or config.get("*", config_prefix.."ssl")
+                                                               or (config.get("*", "ssl") and config.get("*", "ssl")[interface])
+                                                               or (config.get("*", "ssl") and config.get("*", "ssl")[port])
+                                                               or config.get("*", "ssl"));
+                                       -- add default entries for, or override ssl configuration
+                                       if ssl_config and service_info.ssl_config then
+                                               for key, value in pairs(service_info.ssl_config) do
+                                                       if not service_info.ssl_config_override and not ssl_config[key] then
+                                                               ssl_config[key] = value;
+                                                       elseif service_info.ssl_config_override then
+                                                               ssl_config[key] = value;
+                                                       end
+                                               end
+                                       end
+
+                                       ssl, err = certmanager.create_context(service_info.name.." port "..port, "server", ssl_config);
+                                       if not ssl then
+                                               log("error", "Error binding encrypted port for %s: %s", service_info.name, error_to_friendly_message(service_name, port_number, err) or "unknown error");
+                                       end
                                end
-                               -- Start listening on interface+port
-                               local handler, err = server.addserver(interface, port, listener, mode, ssl);
-                               if not handler then
-                                       log("error", "Failed to open server port %d on %s, %s", port, interface, error_to_friendly_message(service_name, port, err));
-                               else
-                                       log("debug", "Added listening service %s to [%s]:%d", service_name, interface, port);
-                                       active_services:add(service_name, interface, port, {
-                                               server = handler;
-                                               service = service_info;
-                                       });
+                               if not err then
+                                       -- Start listening on interface+port
+                                       local handler, err = server.addserver(interface, port_number, listener, mode, ssl);
+                                       if not handler then
+                                               log("error", "Failed to open server port %d on %s, %s", port_number, interface, error_to_friendly_message(service_name, port_number, err));
+                                       else
+                                               table.insert(hooked_ports, "["..interface.."]:"..port_number);
+                                               log("debug", "Added listening service %s to [%s]:%d", service_name, interface, port_number);
+                                               active_services:add(service_name, interface, port_number, {
+                                                       server = handler;
+                                                       service = service_info;
+                                               });
+                                       end
                                end
                        end
                end
        end
-       log("info", "Activated service '%s'", service_name);
+       log("info", "Activated service '%s' on %s", service_name, #hooked_ports == 0 and "no ports" or table.concat(hooked_ports, ", "));
        return true;
 end
 
 function deactivate(service_name, service_info)
-       for name, interface, port, active_service in active_services:iter(service_name, nil, nil, service_info) do
-               close(interface, port);
+       for name, interface, port, n, active_service
+               in active_services:iter(service_name or service_info and service_info.name, nil, nil, nil) do
+               if service_info == nil or active_service.service == service_info then
+                       close(interface, port);
+               end
        end
        log("info", "Deactivated service '%s'", service_name or service_info.name);
 end
@@ -188,7 +225,7 @@ function get_service_at(interface, port)
 end
 
 function get_service(service_name)
-       return services[service_name];
+       return (services[service_name] or {})[1];
 end
 
 function get_active_services(...)