1 local config = require "core.configmanager";
2 local certmanager = require "core.certmanager";
3 local server = require "net.server";
5 local log = require "util.logger".init("portmanager");
6 local multitable = require "util.multitable";
7 local set = require "util.set";
10 local setmetatable, rawset, rawget = setmetatable, rawset, rawget;
11 local type, tonumber, ipairs, pairs = type, tonumber, ipairs, pairs;
13 local prosody = prosody;
14 local fire_event = prosody.events.fire_event;
20 local default_interfaces = { "*" };
21 local default_local_interfaces = { "127.0.0.1" };
22 if config.get("*", "use_ipv6") then
23 table.insert(default_interfaces, "::");
24 table.insert(default_local_interfaces, "::1");
29 -- service_name -> { service_info, ... }
30 local services = setmetatable({}, { __index = function (t, k) rawset(t, k, {}); return rawget(t, k); end });
32 -- service_name, interface (string), port (number)
33 local active_services = multitable.new();
37 local function error_to_friendly_message(service_name, port, err)
38 local friendly_message = err;
39 if err:match(" in use") then
40 -- FIXME: Use service_name here
41 if port == 5222 or port == 5223 or port == 5269 then
42 friendly_message = "check that Prosody or another XMPP server is "
43 .."not already running and using this port";
44 elseif port == 80 or port == 81 then
45 friendly_message = "check that a HTTP server is not already using "
47 elseif port == 5280 then
48 friendly_message = "check that Prosody or a BOSH connection manager "
49 .."is not already running";
51 friendly_message = "this port is in use by another application";
53 elseif err:match("permission") then
54 friendly_message = "Prosody does not have sufficient privileges to use this port";
55 elseif err == "no ssl context" then
56 if not config.get("*", "core", "ssl") then
57 friendly_message = "there is no 'ssl' config under Host \"*\" which is "
58 .."require for legacy SSL ports";
60 friendly_message = "initializing SSL support failed, see previous log entries";
63 return friendly_message;
66 prosody.events.add_handler("item-added/net-provider", function (event)
67 local item = event.item;
68 register_service(item.name, item);
70 prosody.events.add_handler("item-removed/net-provider", function (event)
71 local item = event.item;
72 unregister_service(item.name, item);
77 function activate(service_name)
78 local service_info = services[service_name][1];
79 if not service_info then
80 return nil, "Unknown service: "..service_name;
83 local listener = service_info.listener;
85 local config_prefix = (service_info.config_prefix or service_name).."_";
86 if config_prefix == "_" then
90 local bind_interfaces = config.get("*", config_prefix.."interfaces")
91 or config.get("*", config_prefix.."interface") -- COMPAT w/pre-0.9
92 or (service_info.private and default_local_interfaces)
93 or config.get("*", "interfaces")
94 or config.get("*", "interface") -- COMPAT w/pre-0.9
95 or listener.default_interface -- COMPAT w/pre0.9
97 bind_interfaces = set.new(type(bind_interfaces)~="table" and {bind_interfaces} or bind_interfaces);
99 local bind_ports = set.new(config.get("*", config_prefix.."ports")
100 or service_info.default_ports
101 or {service_info.default_port
102 or listener.default_port -- COMPAT w/pre-0.9
105 local mode, ssl = listener.default_mode or "*a";
107 for interface in bind_interfaces do
108 for port in bind_ports do
109 port = tonumber(port);
110 if #active_services:search(nil, interface, port) > 0 then
111 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>");
113 -- Create SSL context for this service/port
114 if service_info.encryption == "ssl" then
115 local ssl_config = config.get("*", config_prefix.."ssl");
116 ssl = certmanager.create_context(service_info.name.." port "..port, "server", ssl_config and (ssl_config[port]
117 or (ssl_config.certificate and ssl_config)));
119 -- Start listening on interface+port
120 local handler, err = server.addserver(interface, port, listener, mode, ssl);
122 log("error", "Failed to open server port %d on %s, %s", port, interface, error_to_friendly_message(service_name, port, err));
124 log("debug", "Added listening service %s to [%s]:%d", service_name, interface, port);
125 active_services:add(service_name, interface, port, {
127 service = service_info;
133 log("info", "Activated service '%s'", service_name);
137 function deactivate(service_name, service_info)
138 for name, interface, port, n, active_service
139 in active_services:iter(service_name or service_info and service_info.name, nil, nil, nil) do
140 if service_info == nil or active_service.service == service_info then
141 close(interface, port);
144 log("info", "Deactivated service '%s'", service_name or service_info.name);
147 function register_service(service_name, service_info)
148 table.insert(services[service_name], service_info);
150 if not active_services:get(service_name) then
151 log("debug", "No active service for %s, activating...", service_name);
152 local ok, err = activate(service_name);
154 log("error", "Failed to activate service '%s': %s", service_name, err or "unknown error");
158 fire_event("service-added", { name = service_name, service = service_info });
162 function unregister_service(service_name, service_info)
163 log("debug", "Unregistering service: %s", service_name);
164 local service_info_list = services[service_name];
165 for i, service in ipairs(service_info_list) do
166 if service == service_info then
167 table.remove(service_info_list, i);
170 deactivate(nil, service_info);
171 if #service_info_list > 0 then -- Other services registered with this name
172 activate(service_name); -- Re-activate with the next available one
174 fire_event("service-removed", { name = service_name, service = service_info });
177 function close(interface, port)
178 local service, server = get_service_at(interface, port);
180 return false, "port-not-open";
183 active_services:remove(service.name, interface, port);
184 log("debug", "Removed listening service %s from [%s]:%d", service.name, interface, port);
188 function get_service_at(interface, port)
189 local data = active_services:search(nil, interface, port)[1][1];
190 return data.service, data.server;
193 function get_service(service_name)
194 return services[service_name];
197 function get_active_services(...)
198 return active_services;
201 function get_registered_services()