core/hostmanager.lua

   1 -- Prosody IM
   2 -- Copyright (C) 2008-2009 Matthew Wild
   3 -- Copyright (C) 2008-2009 Waqas Hussain
   4 --
   5 -- This project is MIT/X11 licensed. Please see the
   6 -- COPYING file in the source package for more information.
   7 --
   8
   9 local ssl = ssl
  10
  11 local hosts = hosts;
  12 local certmanager = require "core.certmanager";
  13 local configmanager = require "core.configmanager";
  14 local eventmanager = require "core.eventmanager";
  15 local modulemanager = require "core.modulemanager";
  16 local events_new = require "util.events".new;
  17
  18 local uuid_gen = require "util.uuid".generate;
  19
  20 if not _G.prosody.incoming_s2s then
  21         require "core.s2smanager";
  22 end
  23 local incoming_s2s = _G.prosody.incoming_s2s;
  24
  25 local log = require "util.logger".init("hostmanager");
  26
  27 local pairs, setmetatable = pairs, setmetatable;
  28
  29 module "hostmanager"
  30
  31 local hosts_loaded_once;
  32
  33 local function load_enabled_hosts(config)
  34         local defined_hosts = config or configmanager.getconfig();
  35
  36         for host, host_config in pairs(defined_hosts) do
  37                 if host ~= "*" and (host_config.core.enabled == nil or host_config.core.enabled) and not host_config.core.component_module then
  38                         activate(host, host_config);
  39                 end
  40         end
  41         eventmanager.fire_event("hosts-activated", defined_hosts);
  42         hosts_loaded_once = true;
  43 end
  44
  45 eventmanager.add_event_hook("server-starting", load_enabled_hosts);
  46
  47 function activate(host, host_config)
  48         hosts[host] = {type = "local", connected = true, sessions = {},
  49                         host = host, s2sout = {}, events = events_new(),
  50                         disallow_s2s = configmanager.get(host, "core", "disallow_s2s")
  51                                 or (configmanager.get(host, "core", "anonymous_login")
  52                                 and (configmanager.get(host, "core", "disallow_s2s") ~= false));
  53                         dialback_secret = configmanager.get(host, "core", "dialback_secret") or uuid_gen();
  54                       };
  55         for option_name in pairs(host_config.core) do
  56                 if option_name:match("_ports$") then
  57                         log("warn", "%s: Option '%s' has no effect for virtual hosts - put it in global Host \"*\" instead", host, option_name);
  58                 end
  59         end
  60
  61         hosts[host].ssl_ctx = certmanager.get_context(host, "client", host_config); -- for outgoing connections
  62         hosts[host].ssl_ctx_in = certmanager.get_context(host, "server", host_config); -- for incoming connections
  63
  64         log((hosts_loaded_once and "info") or "debug", "Activated host: %s", host);
  65         eventmanager.fire_event("host-activated", host, host_config);
  66 end
  67
  68 function deactivate(host, reason)
  69         local host_session = hosts[host];
  70         log("info", "Deactivating host: %s", host);
  71         eventmanager.fire_event("host-deactivating", host, host_session);
  72
  73         reason = reason or { condition = "host-gone", text = "This server has stopped serving "..host };
  74
  75         -- Disconnect local users, s2s connections
  76         if host_session.sessions then
  77                 for username, user in pairs(host_session.sessions) do
  78                         for resource, session in pairs(user.sessions) do
  79                                 log("debug", "Closing connection for %s@%s/%s", username, host, resource);
  80                                 session:close(reason);
  81                         end
  82                 end
  83         end
  84         if host_session.s2sout then
  85                 for remotehost, session in pairs(host_session.s2sout) do
  86                         if session.close then
  87                                 log("debug", "Closing outgoing connection to %s", remotehost);
  88                                 if session.srv_hosts then session.srv_hosts = nil; end
  89                                 session:close(reason);
  90                         end
  91                 end
  92         end
  93         for remote_session in pairs(incoming_s2s) do
  94                 if remote_session.to_host == host then
  95                         log("debug", "Closing incoming connection from %s", remote_session.from_host or "<unknown>");
  96                         remote_session:close(reason);
  97                 end
  98         end
  99
 100         if host_session.modules then
 101                 for module in pairs(host_session.modules) do
 102                         modulemanager.unload(host, module);
 103                 end
 104         end
 105
 106         hosts[host] = nil;
 107         eventmanager.fire_event("host-deactivated", host);
 108         log("info", "Deactivated host: %s", host);
 109 end
 110
 111 function getconfig(name)
 112 end
 113
 114 return _M;