local multitable = require "util.multitable"; local fire_event = prosody.events.fire_event; --- Config local default_interfaces = { "*" }; local default_local_interfaces = { "127.0.0.1" }; if config.get("*", "use_ipv6") then table.insert(default_interfaces, "::"); table.insert(default_local_interfaces, "::1"); end --- Private state -- service_name -> service_info local services = {}; -- service_name, interface (string), port (number) local active_services = multitable.new(); --- Private helpers local function error_to_friendly_message(service_name, err) local friendly_message = err; if err:match(" in use") then -- FIXME: Use service_name here if port == 5222 or port == 5223 or port == 5269 then friendly_message = "check that Prosody or another XMPP server is " .."not already running and using this port"; elseif port == 80 or port == 81 then friendly_message = "check that a HTTP server is not already using " .."this port"; elseif port == 5280 then friendly_message = "check that Prosody or a BOSH connection manager " .."is not already running"; else friendly_message = "this port is in use by another application"; 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 module("portmanager", package.seeall); --- Public API function activate_service(service_name) local service_info = services[service_name]; if not service_info then return nil, "Unknown service: "..service_name; end local bind_interfaces = set.new(config.get("*", service_name.."_interfaces") or config.get("*", service_name.."_interface") -- COMPAT w/pre-0.9 or config.get("*", "interfaces") or config.get("*", "interface") -- COMPAT w/pre-0.9 or (service_info.private and default_local_interfaces) or service_info.default_interface -- COMPAT w/pre0.9 or default_interfaces); local bind_ports = set.new(config.get("*", service_name.."_ports") or (service_info.multiplex and config.get("*", "ports")) or service_info.default_ports or {service_info.default_port}); local listener = service_info.listener; local mode = listener.default_mode or "*a"; local ssl; if service_info.encryption == "ssl" then ssl = prosody.global_ssl_ctx; if not ssl then return nil, "global-ssl-context-required"; end end for interface in bind_interfaces do for port in bind_ports do if not service_info.multiplex and #active_services:search(nil, interface, port) > 0 then log("error", "Multiple services configured to listen on the same port: %s, %s", table.concat(active_services:search(nil, interface, port), ", "), service_name); else 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, 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; }); end end end end log("info", "Activated service '%s'", service_name); end function deactivate(service_name) local active = active_services:search(service_name)[1]; if not active then return; end for interface, ports in pairs(active) do for port, active_service in pairs(ports) do active_service:close(); active_services:remove(service_name, interface, port, active_service); log("debug", "Removed listening service %s from [%s]:%d", service_name, interface, port); end end log("info", "Deactivated service '%s'", service_name); end function register_service(service_name, service_info) services[service_name] = service_info; if not active_services[service_name] then activate_service(service_name); end fire_event("service-added", { name = service_name, service = service_info }); return true; end return _M;