Software / code / prosody
Annotate
core/s2smanager.lua @ 4930:42ac50c0382e
s2smanager: Fix a traceback when we close a s2s connection ourselves (thanks for the testing Zash).
| author | Waqas Hussain <waqas20@gmail.com> |
|---|---|
| date | Wed, 13 Jun 2012 11:47:04 +0500 |
| parent | 4833:b7a6e86ab87d |
| child | 4993:5243b74a4cbb |
| rev | line source |
|---|---|
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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 -- |
| 758 | 5 -- This project is MIT/X11 licensed. Please see the |
| 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 |
| 148 | 10 |
| 11 local hosts = hosts; | |
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12 local tostring, pairs, ipairs, getmetatable, newproxy, setmetatable |
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13 = tostring, pairs, ipairs, getmetatable, newproxy, setmetatable; |
| 148 | 14 |
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15 local fire_event = prosody.events.fire_event; |
| 148 | 16 local logger_init = require "util.logger".init; |
| 17 | |
| 18 local log = logger_init("s2smanager"); | |
| 19 | |
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20 local config = require "core.configmanager"; |
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21 |
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22 local prosody = _G.prosody; |
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23 incoming_s2s = {}; |
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24 prosody.incoming_s2s = incoming_s2s; |
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25 local incoming_s2s = incoming_s2s; |
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26 |
| 148 | 27 module "s2smanager" |
| 28 | |
| 29 local open_sessions = 0; | |
| 30 | |
| 31 function new_incoming(conn) | |
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32 local session = { conn = conn, type = "s2sin_unauthed", direction = "incoming", hosts = {} }; |
| 148 | 33 if true then |
| 34 session.trace = newproxy(true); | |
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35 getmetatable(session.trace).__gc = function () open_sessions = open_sessions - 1; end; |
| 148 | 36 end |
| 37 open_sessions = open_sessions + 1; | |
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38 session.log = logger_init("s2sin"..tostring(conn):match("[a-f0-9]+$")); |
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39 incoming_s2s[session] = true; |
| 148 | 40 return session; |
| 41 end | |
| 42 | |
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43 function new_outgoing(from_host, to_host, connect) |
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44 local host_session = { to_host = to_host, from_host = from_host, host = from_host, |
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45 notopen = true, type = "s2sout_unauthed", direction = "outgoing" }; |
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46 hosts[from_host].s2sout[to_host] = host_session; |
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47 local conn_name = "s2sout"..tostring(host_session):match("[a-f0-9]*$"); |
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48 host_session.log = logger_init(conn_name); |
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49 return host_session; |
| 148 | 50 end |
| 51 | |
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52 function make_authenticated(session, host) |
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53 if not session.secure then |
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54 local local_host = session.direction == "incoming" and session.to_host or session.from_host; |
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55 if config.get(local_host, "core", "s2s_require_encryption") then |
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56 session:close({ |
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57 condition = "policy-violation", |
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58 text = "Encrypted server-to-server communication is required but was not " |
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59 ..((session.direction == "outgoing" and "offered") or "used") |
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60 }); |
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61 end |
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62 end |
| 148 | 63 if session.type == "s2sout_unauthed" then |
| 64 session.type = "s2sout"; | |
| 65 elseif session.type == "s2sin_unauthed" then | |
| 66 session.type = "s2sin"; | |
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67 if host then |
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68 if not session.hosts[host] then session.hosts[host] = {}; end |
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69 session.hosts[host].authed = true; |
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70 end |
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71 elseif session.type == "s2sin" and host then |
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72 if not session.hosts[host] then session.hosts[host] = {}; end |
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73 session.hosts[host].authed = true; |
| 148 | 74 else |
| 75 return false; | |
| 76 end | |
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77 session.log("debug", "connection %s->%s is now authenticated for %s", session.from_host or "(unknown)", session.to_host or "(unknown)", host); |
| 148 | 78 |
| 79 mark_connected(session); | |
| 80 | |
| 81 return true; | |
| 82 end | |
| 83 | |
| 1891 | 84 -- Stream is authorised, and ready for normal stanzas |
| 148 | 85 function mark_connected(session) |
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86 local sendq, send = session.sendq, session.sends2s; |
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87 |
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88 local from, to = session.from_host, session.to_host; |
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89 |
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90 session.log("info", session.direction.." s2s connection "..from.."->"..to.." complete"); |
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91 |
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92 local event_data = { session = session }; |
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93 if session.type == "s2sout" then |
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94 prosody.events.fire_event("s2sout-established", event_data); |
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95 hosts[from].events.fire_event("s2sout-established", event_data); |
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96 else |
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97 local host_session = hosts[to]; |
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98 session.send = function(stanza) |
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99 host_session.events.fire_event("route/remote", { from_host = to, to_host = from, stanza = stanza }); |
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100 end; |
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101 |
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102 prosody.events.fire_event("s2sin-established", event_data); |
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103 hosts[to].events.fire_event("s2sin-established", event_data); |
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104 end |
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105 |
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106 if session.direction == "outgoing" then |
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107 if sendq then |
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108 session.log("debug", "sending "..#sendq.." queued stanzas across new outgoing connection to "..session.to_host); |
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109 for i, data in ipairs(sendq) do |
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110 send(data[1]); |
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111 sendq[i] = nil; |
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112 end |
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113 session.sendq = nil; |
| 148 | 114 end |
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115 |
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116 session.ip_hosts = nil; |
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117 session.srv_hosts = nil; |
| 148 | 118 end |
| 119 end | |
| 120 | |
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121 local resting_session = { -- Resting, not dead |
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122 destroyed = true; |
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123 type = "s2s_destroyed"; |
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124 open_stream = function (session) |
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125 session.log("debug", "Attempt to open stream on resting session"); |
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126 end; |
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127 close = function (session) |
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128 session.log("debug", "Attempt to close already-closed session"); |
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129 end; |
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130 filter = function (type, data) return data; end; |
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131 }; resting_session.__index = resting_session; |
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132 |
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133 function retire_session(session, reason) |
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134 local log = session.log or log; |
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135 for k in pairs(session) do |
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136 if k ~= "trace" and k ~= "log" and k ~= "id" and k ~= "conn" then |
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137 session[k] = nil; |
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138 end |
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139 end |
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140 |
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141 session.destruction_reason = reason; |
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142 |
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143 function session.send(data) log("debug", "Discarding data sent to resting session: %s", tostring(data)); end |
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144 function session.data(data) log("debug", "Discarding data received from resting session: %s", tostring(data)); end |
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145 return setmetatable(session, resting_session); |
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146 end |
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147 |
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148 function destroy_session(session, reason) |
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149 if session.destroyed then return; end |
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150 (session.log or log)("debug", "Destroying "..tostring(session.direction).." session "..tostring(session.from_host).."->"..tostring(session.to_host)..(reason and (": "..reason) or "")); |
| 331 | 151 |
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152 if session.direction == "outgoing" then |
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153 hosts[session.from_host].s2sout[session.to_host] = nil; |
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154 session:bounce_sendq(reason); |
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155 elseif session.direction == "incoming" then |
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156 incoming_s2s[session] = nil; |
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157 end |
| 331 | 158 |
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159 local event_data = { session = session, reason = reason }; |
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160 if session.type == "s2sout" then |
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161 prosody.events.fire_event("s2sout-destroyed", event_data); |
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162 if hosts[session.from_host] then |
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163 hosts[session.from_host].events.fire_event("s2sout-destroyed", event_data); |
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164 end |
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165 elseif session.type == "s2sin" then |
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166 prosody.events.fire_event("s2sin-destroyed", event_data); |
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167 if hosts[session.to_host] then |
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168 hosts[session.to_host].events.fire_event("s2sin-destroyed", event_data); |
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169 end |
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170 end |
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171 |
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172 retire_session(session, reason); -- Clean session until it is GC'd |
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173 return true; |
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174 end |
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175 |
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Just committing this warning, because I want to know if the problem really affects us
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176 return _M; |
