Annotate

core/hostmanager.lua @ 5901:1d13f73af58e

certmanager: Default to using the server's cipher preference order by default, as clients have been shown to commonly select weak and insecure ciphers even when they support stronger ones
author Matthew Wild <mwild1@gmail.com>
date Sat, 09 Nov 2013 17:50:19 +0000
parent 5377:898454038524
child 5776:bd0ff8ae98a8
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1 -- Prosody IM
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2 -- Copyright (C) 2008-2010 Matthew Wild
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3 -- Copyright (C) 2008-2010 Waqas Hussain
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4 --
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5 -- This project is MIT/X11 licensed. Please see the
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6 -- COPYING file in the source package for more information.
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7 --
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8
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9 local configmanager = require "core.configmanager";
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10 local modulemanager = require "core.modulemanager";
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11 local events_new = require "util.events".new;
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12 local disco_items = require "util.multitable".new();
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13 local NULL = {};
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14
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15 local jid_split = require "util.jid".split;
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16 local uuid_gen = require "util.uuid".generate;
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17
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18 local log = require "util.logger".init("hostmanager");
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19
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20 local hosts = prosody.hosts;
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21 local prosody_events = prosody.events;
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22 if not _G.prosody.incoming_s2s then
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23 require "core.s2smanager";
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24 end
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25 local incoming_s2s = _G.prosody.incoming_s2s;
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26 local core_route_stanza = _G.prosody.core_route_stanza;
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27
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28 local pairs, select, rawget = pairs, select, rawget;
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29 local tostring, type = tostring, type;
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30
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31 module "hostmanager"
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32
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33 local hosts_loaded_once;
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34
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35 local function load_enabled_hosts(config)
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36 local defined_hosts = config or configmanager.getconfig();
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37 local activated_any_host;
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38
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39 for host, host_config in pairs(defined_hosts) do
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40 if host ~= "*" and host_config.enabled ~= false then
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41 if not host_config.component_module then
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42 activated_any_host = true;
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43 end
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44 activate(host, host_config);
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45 end
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46 end
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48 if not activated_any_host then
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49 log("error", "No active VirtualHost entries in the config file. This may cause unexpected behaviour as no modules will be loaded.");
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50 end
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51
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52 prosody_events.fire_event("hosts-activated", defined_hosts);
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53 hosts_loaded_once = true;
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54 end
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55
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56 prosody_events.add_handler("server-starting", load_enabled_hosts);
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57
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58 local function host_send(stanza)
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59 local name, type = stanza.name, stanza.attr.type;
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60 if type == "error" or (name == "iq" and type == "result") then
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61 local dest_host_name = select(2, jid_split(stanza.attr.to));
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62 local dest_host = hosts[dest_host_name] or { type = "unknown" };
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63 log("warn", "Unhandled response sent to %s host %s: %s", dest_host.type, dest_host_name, tostring(stanza));
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64 return;
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65 end
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66 core_route_stanza(nil, stanza);
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67 end
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68
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69 function activate(host, host_config)
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70 if rawget(hosts, host) then return nil, "The host "..host.." is already activated"; end
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71 host_config = host_config or configmanager.getconfig()[host];
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72 if not host_config then return nil, "Couldn't find the host "..tostring(host).." defined in the current config"; end
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73 local host_session = {
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74 host = host;
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75 s2sout = {};
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76 events = events_new();
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77 dialback_secret = configmanager.get(host, "dialback_secret") or uuid_gen();
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78 send = host_send;
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79 modules = {};
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80 };
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81 if not host_config.component_module then -- host
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82 host_session.type = "local";
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83 host_session.sessions = {};
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84 else -- component
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85 host_session.type = "component";
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86 end
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87 hosts[host] = host_session;
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88 if not host:match("[@/]") then
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89 disco_items:set(host:match("%.(.*)") or "*", host, host_config.name or true);
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90 end
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91 for option_name in pairs(host_config) do
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92 if option_name:match("_ports$") or option_name:match("_interface$") then
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93 log("warn", "%s: Option '%s' has no effect for virtual hosts - put it in the server-wide section instead", host, option_name);
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94 end
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95 end
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96
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97 log((hosts_loaded_once and "info") or "debug", "Activated host: %s", host);
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98 prosody_events.fire_event("host-activated", host);
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99 return true;
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100 end
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101
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102 function deactivate(host, reason)
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103 local host_session = hosts[host];
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104 if not host_session then return nil, "The host "..tostring(host).." is not activated"; end
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105 log("info", "Deactivating host: %s", host);
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106 prosody_events.fire_event("host-deactivating", { host = host, host_session = host_session, reason = reason });
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107
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108 if type(reason) ~= "table" then
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109 reason = { condition = "host-gone", text = tostring(reason or "This server has stopped serving "..host) };
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110 end
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111
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112 -- Disconnect local users, s2s connections
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113 -- TODO: These should move to mod_c2s and mod_s2s (how do they know they're being unloaded and not reloaded?)
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114 if host_session.sessions then
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115 for username, user in pairs(host_session.sessions) do
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116 for resource, session in pairs(user.sessions) do
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117 log("debug", "Closing connection for %s@%s/%s", username, host, resource);
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118 session:close(reason);
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119 end
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120 end
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121 end
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122 if host_session.s2sout then
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123 for remotehost, session in pairs(host_session.s2sout) do
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124 if session.close then
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125 log("debug", "Closing outgoing connection to %s", remotehost);
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126 if session.srv_hosts then session.srv_hosts = nil; end
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127 session:close(reason);
a9998fac292c hostmanager: deactivate() now accepts a reason, closes s2s connections as well as disconnecting users, and unloads modules for the host
Matthew Wild <mwild1@gmail.com>
parents: 1974
diff changeset
128 end
a9998fac292c hostmanager: deactivate() now accepts a reason, closes s2s connections as well as disconnecting users, and unloads modules for the host
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parents: 1974
diff changeset
129 end
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parents: 1974
diff changeset
130 end
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parents: 1974
diff changeset
131 for remote_session in pairs(incoming_s2s) do
a9998fac292c hostmanager: deactivate() now accepts a reason, closes s2s connections as well as disconnecting users, and unloads modules for the host
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parents: 1974
diff changeset
132 if remote_session.to_host == host then
a9998fac292c hostmanager: deactivate() now accepts a reason, closes s2s connections as well as disconnecting users, and unloads modules for the host
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parents: 1974
diff changeset
133 log("debug", "Closing incoming connection from %s", remote_session.from_host or "<unknown>");
a9998fac292c hostmanager: deactivate() now accepts a reason, closes s2s connections as well as disconnecting users, and unloads modules for the host
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parents: 1974
diff changeset
134 remote_session:close(reason);
a9998fac292c hostmanager: deactivate() now accepts a reason, closes s2s connections as well as disconnecting users, and unloads modules for the host
Matthew Wild <mwild1@gmail.com>
parents: 1974
diff changeset
135 end
a9998fac292c hostmanager: deactivate() now accepts a reason, closes s2s connections as well as disconnecting users, and unloads modules for the host
Matthew Wild <mwild1@gmail.com>
parents: 1974
diff changeset
136 end
a9998fac292c hostmanager: deactivate() now accepts a reason, closes s2s connections as well as disconnecting users, and unloads modules for the host
Matthew Wild <mwild1@gmail.com>
parents: 1974
diff changeset
137
4731
84596fc32b31 hostmanager: Add some TODO comments
Matthew Wild <mwild1@gmail.com>
parents: 4730
diff changeset
138 -- TODO: This should be done in modulemanager
1975
a9998fac292c hostmanager: deactivate() now accepts a reason, closes s2s connections as well as disconnecting users, and unloads modules for the host
Matthew Wild <mwild1@gmail.com>
parents: 1974
diff changeset
139 if host_session.modules then
a9998fac292c hostmanager: deactivate() now accepts a reason, closes s2s connections as well as disconnecting users, and unloads modules for the host
Matthew Wild <mwild1@gmail.com>
parents: 1974
diff changeset
140 for module in pairs(host_session.modules) do
a9998fac292c hostmanager: deactivate() now accepts a reason, closes s2s connections as well as disconnecting users, and unloads modules for the host
Matthew Wild <mwild1@gmail.com>
parents: 1974
diff changeset
141 modulemanager.unload(host, module);
a9998fac292c hostmanager: deactivate() now accepts a reason, closes s2s connections as well as disconnecting users, and unloads modules for the host
Matthew Wild <mwild1@gmail.com>
parents: 1974
diff changeset
142 end
a9998fac292c hostmanager: deactivate() now accepts a reason, closes s2s connections as well as disconnecting users, and unloads modules for the host
Matthew Wild <mwild1@gmail.com>
parents: 1974
diff changeset
143 end
a9998fac292c hostmanager: deactivate() now accepts a reason, closes s2s connections as well as disconnecting users, and unloads modules for the host
Matthew Wild <mwild1@gmail.com>
parents: 1974
diff changeset
144
569
5216efe6088b Add hostmanager, and eventmanager
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
145 hosts[host] = nil;
3601
829e23b374cc hostmanager: Don't include hosts with '@' or '/' in the name in the get_children(host) result.
Waqas Hussain <waqas20@gmail.com>
parents: 3599
diff changeset
146 if not host:match("[@/]") then
829e23b374cc hostmanager: Don't include hosts with '@' or '/' in the name in the get_children(host) result.
Waqas Hussain <waqas20@gmail.com>
parents: 3599
diff changeset
147 disco_items:remove(host:match("%.(.*)") or "*", host);
829e23b374cc hostmanager: Don't include hosts with '@' or '/' in the name in the get_children(host) result.
Waqas Hussain <waqas20@gmail.com>
parents: 3599
diff changeset
148 end
3434
428f13c098d5 hostmanager: Remove dependency on eventmanager
Matthew Wild <mwild1@gmail.com>
parents: 2984
diff changeset
149 prosody_events.fire_event("host-deactivated", host);
575
428c951d0a33 Log in hostmanager when a vhost is activated/deactivated
Matthew Wild <mwild1@gmail.com>
parents: 569
diff changeset
150 log("info", "Deactivated host: %s", host);
3716
ebb2c6209e24 hostmanager: deactivate() now returns true on success.
Waqas Hussain <waqas20@gmail.com>
parents: 3715
diff changeset
151 return true;
569
5216efe6088b Add hostmanager, and eventmanager
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
152 end
5216efe6088b Add hostmanager, and eventmanager
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
153
3599
adc0b4df6fdd hostmanager: Added function get_children(host) which copies componentmanager.get_children(host).
Waqas Hussain <waqas20@gmail.com>
parents: 3597
diff changeset
154 function get_children(host)
adc0b4df6fdd hostmanager: Added function get_children(host) which copies componentmanager.get_children(host).
Waqas Hussain <waqas20@gmail.com>
parents: 3597
diff changeset
155 return disco_items:get(host) or NULL;
569
5216efe6088b Add hostmanager, and eventmanager
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
156 end
5216efe6088b Add hostmanager, and eventmanager
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
157
1974
cfac07d8428e hostmanager: Add return _M;
Matthew Wild <mwild1@gmail.com>
parents: 1925
diff changeset
158 return _M;