Software / code / prosody
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core/s2smanager.lua @ 3308:f5243ca9662f
s2smanager: Register outgoing connection with the connection listener only after initializing filters (thanks darkrain, dersd)
| author | Matthew Wild <mwild1@gmail.com> |
|---|---|
| date | Fri, 02 Jul 2010 17:43:01 +0100 |
| parent | 3265:9374f84c6677 |
| child | 3312:12fc7e005e8b |
| rev | line source |
|---|---|
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Remove version number from copyright headers
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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; | |
| 12 local sessions = sessions; | |
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13 local core_process_stanza = function(a, b) core_process_stanza(a, b); end |
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s2smanager: Timeout DNS requests after 60 seconds (or dns_timeout in config)
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14 local add_task = require "util.timer".add_task; |
| 148 | 15 local socket = require "socket"; |
| 16 local format = string.format; | |
| 337 | 17 local t_insert, t_sort = table.insert, table.sort; |
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18 local get_traceback = debug.traceback; |
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sessionmanager, s2smanager: Destroyed sessions are now simply resting (not dead) until they are collected - prevents a whole class of tracebacks
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19 local tostring, pairs, ipairs, getmetatable, newproxy, error, tonumber, |
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20 setmetatable |
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21 = tostring, pairs, ipairs, getmetatable, newproxy, error, tonumber, |
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22 setmetatable; |
| 148 | 23 |
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(Basic) IDNA and SRV fallback support
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24 local idna_to_ascii = require "util.encodings".idna.to_ascii; |
| 148 | 25 local connlisteners_get = require "net.connlisteners".get; |
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s2smanager: Add filters for outgoing bytes and stanzas
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26 local initialize_filters = require "util.filters".initialize; |
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Port to new server.lua, quite some changes, but I believe everything to be working
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27 local wrapclient = require "net.server".wrapclient; |
| 148 | 28 local modulemanager = require "core.modulemanager"; |
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29 local st = require "stanza"; |
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30 local stanza = st.stanza; |
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Fixed: s2smanager: Apply nameprep on hostnames passed in stream tag (part of issue #57)
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31 local nameprep = require "util.encodings".stringprep.nameprep; |
| 148 | 32 |
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s2smanager: Send stream:features for incoming s2s connections which support XMPP 1.0
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33 local fire_event = require "core.eventmanager".fire_event; |
| 148 | 34 local uuid_gen = require "util.uuid".generate; |
| 35 | |
| 36 local logger_init = require "util.logger".init; | |
| 37 | |
| 38 local log = logger_init("s2smanager"); | |
| 39 | |
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40 local sha256_hash = require "util.hashes".sha256; |
| 148 | 41 |
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s2smanager: Compatibility with domains which use CNAMEs
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42 local adns, dns = require "net.adns", require "net.dns"; |
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s2smanager: Fix access of 'config' global without requiring configmanager
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43 local config = require "core.configmanager"; |
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44 local connect_timeout = config.get("*", "core", "s2s_timeout") or 60; |
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45 local dns_timeout = config.get("*", "core", "dns_timeout") or 60; |
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core.s2smanager: Don't recurse CNAMEs infinitely :)
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46 local max_dns_depth = config.get("*", "core", "dns_max_depth") or 3; |
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47 |
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48 incoming_s2s = {}; |
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s2smanager: Add incoming_s2s to the prosody object
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49 _G.prosody.incoming_s2s = incoming_s2s; |
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50 local incoming_s2s = incoming_s2s; |
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51 |
| 148 | 52 module "s2smanager" |
| 53 | |
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54 function compare_srv_priorities(a,b) |
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55 return a.priority < b.priority or (a.priority == b.priority and a.weight > b.weight); |
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56 end |
| 337 | 57 |
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58 local function bounce_sendq(session, reason) |
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59 local sendq = session.sendq; |
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60 if sendq then |
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s2smanager: Miscellaneous logging improvements, changing levels, improving messages and using session loggers where possible
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61 session.log("info", "sending error replies for "..#sendq.." queued stanzas because of failed outgoing connection to "..tostring(session.to_host)); |
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62 local dummy = { |
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63 type = "s2sin"; |
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64 send = function(s) |
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65 (session.log or log)("error", "Replying to to an s2s error reply, please report this! Traceback: %s", get_traceback()); |
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66 end; |
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67 dummy = true; |
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68 }; |
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69 for i, data in ipairs(sendq) do |
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70 local reply = data[2]; |
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71 local xmlns = reply.attr.xmlns; |
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72 if not xmlns then |
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73 reply.attr.type = "error"; |
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74 reply:tag("error", {type = "cancel"}) |
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75 :tag("remote-server-not-found", {xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas"}):up(); |
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76 if reason then |
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77 reply:tag("text", {xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas"}):text("Connection failed: "..reason):up(); |
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78 end |
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79 core_process_stanza(dummy, reply); |
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80 end |
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81 sendq[i] = nil; |
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82 end |
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83 session.sendq = nil; |
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84 end |
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85 end |
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86 |
| 148 | 87 function send_to_host(from_host, to_host, data) |
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88 if not hosts[from_host] then |
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89 log("warn", "Attempt to send stanza from %s - a host we don't serve", from_host); |
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90 return false; |
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91 end |
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92 local host = hosts[from_host].s2sout[to_host]; |
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93 if host then |
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94 -- We have a connection to this host already |
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95 if host.type == "s2sout_unauthed" and (data.name ~= "db:verify" or not host.dialback_key) then |
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96 (host.log or log)("debug", "trying to send over unauthed s2sout to "..to_host); |
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97 |
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98 -- Queue stanza until we are able to send it |
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99 if host.sendq then t_insert(host.sendq, {tostring(data), st.reply(data)}); |
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100 else host.sendq = { {tostring(data), st.reply(data)} }; end |
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Remove an incorrect line which I didn't add, and fix the proper way. Corrects the sending of stanzas over unauthed s2sout's. Also fixes mod_dialback to send stanzas and not strings.
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101 host.log("debug", "stanza [%s] queued ", data.name); |
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102 elseif host.type == "local" or host.type == "component" then |
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103 log("error", "Trying to send a stanza to ourselves??") |
| 256 | 104 log("error", "Traceback: %s", get_traceback()); |
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105 log("error", "Stanza: %s", tostring(data)); |
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106 else |
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107 (host.log or log)("debug", "going to send stanza to "..to_host.." from "..from_host); |
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Just committing this warning, because I want to know if the problem really affects us
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108 -- FIXME |
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109 if host.from_host ~= from_host then |
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110 log("error", "WARNING! This might, possibly, be a bug, but it might not..."); |
| 331 | 111 log("error", "We are going to send from %s instead of %s", tostring(host.from_host), tostring(from_host)); |
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112 end |
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113 host.sends2s(data); |
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114 host.log("debug", "stanza sent over "..host.type); |
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115 end |
| 148 | 116 else |
| 117 log("debug", "opening a new outgoing connection for this stanza"); | |
| 118 local host_session = new_outgoing(from_host, to_host); | |
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119 |
| 148 | 120 -- Store in buffer |
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121 host_session.sendq = { {tostring(data), st.reply(data)} }; |
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122 log("debug", "stanza [%s] queued until connection complete", tostring(data.name)); |
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123 if (not host_session.connecting) and (not host_session.conn) then |
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124 log("warn", "Connection to %s failed already, destroying session...", to_host); |
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125 destroy_session(host_session); |
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126 end |
| 148 | 127 end |
| 128 end | |
| 129 | |
| 130 local open_sessions = 0; | |
| 131 | |
| 132 function new_incoming(conn) | |
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133 local session = { conn = conn, type = "s2sin_unauthed", direction = "incoming", hosts = {} }; |
| 148 | 134 if true then |
| 135 session.trace = newproxy(true); | |
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136 getmetatable(session.trace).__gc = function () open_sessions = open_sessions - 1; end; |
| 148 | 137 end |
| 138 open_sessions = open_sessions + 1; | |
| 343 | 139 local w, log = conn.write, logger_init("s2sin"..tostring(conn):match("[a-f0-9]+$")); |
|
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140 session.log = log; |
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141 local filter = initialize_filters(session); |
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142 session.sends2s = function (t) |
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143 log("debug", "sending: %s", t.top_tag and t:top_tag() or t:match("^([^>]*>?)")); |
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144 if t.name then |
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145 t = filter("stanzas/out", t); |
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146 end |
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147 if t then |
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148 t = filter("bytes/out", tostring(t)); |
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149 if t then |
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150 return w(conn, t); |
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151 end |
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152 end |
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153 end |
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154 incoming_s2s[session] = true; |
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155 add_task(connect_timeout, function () |
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156 if session.conn ~= conn or |
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157 session.type == "s2sin" then |
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158 return; -- Ok, we're connect[ed|ing] |
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159 end |
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160 -- Not connected, need to close session and clean up |
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161 (session.log or log)("warn", "Destroying incomplete session %s->%s due to inactivity", |
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162 session.from_host or "(unknown)", session.to_host or "(unknown)"); |
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163 session:close("connection-timeout"); |
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164 end); |
| 148 | 165 return session; |
| 166 end | |
| 167 | |
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168 function new_outgoing(from_host, to_host, connect) |
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169 local host_session = { to_host = to_host, from_host = from_host, host = from_host, |
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170 notopen = true, type = "s2sout_unauthed", direction = "outgoing", |
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171 open_stream = session_open_stream }; |
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172 |
|
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173 hosts[from_host].s2sout[to_host] = host_session; |
| 148 | 174 |
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175 local log; |
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176 do |
|
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177 local conn_name = "s2sout"..tostring(host_session):match("[a-f0-9]*$"); |
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178 log = logger_init(conn_name); |
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179 host_session.log = log; |
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180 end |
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181 |
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182 initialize_filters(host_session); |
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183 |
|
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184 if connect ~= false then |
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185 -- Kick the connection attempting machine into life |
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186 attempt_connection(host_session); |
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187 end |
|
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188 |
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189 if not host_session.sends2s then |
|
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190 -- A sends2s which buffers data (until the stream is opened) |
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191 -- note that data in this buffer will be sent before the stream is authed |
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192 -- and will not be ack'd in any way, successful or otherwise |
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193 local buffer; |
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194 function host_session.sends2s(data) |
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195 if not buffer then |
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196 buffer = {}; |
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197 host_session.send_buffer = buffer; |
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198 end |
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199 log("debug", "Buffering data on unconnected s2sout to %s", to_host); |
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200 buffer[#buffer+1] = data; |
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201 log("debug", "Buffered item %d: %s", #buffer, tostring(data)); |
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202 end |
|
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203 end |
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204 |
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205 return host_session; |
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206 end |
|
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207 |
|
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208 |
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209 function attempt_connection(host_session, err) |
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210 local from_host, to_host = host_session.from_host, host_session.to_host; |
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211 local connect_host, connect_port = idna_to_ascii(to_host), 5269; |
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212 |
|
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213 if not connect_host then |
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214 return false; |
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215 end |
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216 |
|
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217 if not err then -- This is our first attempt |
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218 log("debug", "First attempt to connect to %s, starting with SRV lookup...", to_host); |
| 974 | 219 host_session.connecting = true; |
|
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220 local handle; |
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221 handle = adns.lookup(function (answer) |
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222 handle = nil; |
| 974 | 223 host_session.connecting = nil; |
| 224 if answer then | |
| 225 log("debug", to_host.." has SRV records, handling..."); | |
| 226 local srv_hosts = {}; | |
| 227 host_session.srv_hosts = srv_hosts; | |
| 228 for _, record in ipairs(answer) do | |
| 229 t_insert(srv_hosts, record.srv); | |
| 230 end | |
| 231 t_sort(srv_hosts, compare_srv_priorities); | |
| 232 | |
| 233 local srv_choice = srv_hosts[1]; | |
| 234 host_session.srv_choice = 1; | |
| 235 if srv_choice then | |
| 236 connect_host, connect_port = srv_choice.target or to_host, srv_choice.port or connect_port; | |
| 237 log("debug", "Best record found, will connect to %s:%d", connect_host, connect_port); | |
| 238 end | |
| 239 else | |
| 240 log("debug", to_host.." has no SRV records, falling back to A"); | |
| 337 | 241 end |
| 974 | 242 -- Try with SRV, or just the plain hostname if no SRV |
|
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243 local ok, err = try_connect(host_session, connect_host, connect_port); |
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244 if not ok then |
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245 if not attempt_connection(host_session, err) then |
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246 -- No more attempts will be made |
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247 destroy_session(host_session, err); |
|
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248 end |
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249 end |
| 974 | 250 end, "_xmpp-server._tcp."..connect_host..".", "SRV"); |
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251 |
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252 -- Set handler for DNS timeout |
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253 add_task(dns_timeout, function () |
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254 if handle then |
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255 adns.cancel(handle, true); |
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256 end |
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257 end); |
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258 |
| 974 | 259 return true; -- Attempt in progress |
|
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260 elseif host_session.srv_hosts and #host_session.srv_hosts > host_session.srv_choice then -- Not our first attempt, and we also have SRV |
|
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261 host_session.srv_choice = host_session.srv_choice + 1; |
|
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262 local srv_choice = host_session.srv_hosts[host_session.srv_choice]; |
|
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263 connect_host, connect_port = srv_choice.target or to_host, srv_choice.port or connect_port; |
|
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Matthew Wild <mwild1@gmail.com>
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diff
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|
264 host_session.log("info", "Connection failed (%s). Attempt #%d: This time to %s:%d", tostring(err), host_session.srv_choice, connect_host, connect_port); |
|
434
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|
265 else |
|
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|
266 host_session.log("info", "Out of connection options, can't connect to %s", tostring(host_session.to_host)); |
|
434
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267 -- We're out of options |
|
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268 return false; |
|
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|
269 end |
|
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diff
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|
270 |
|
960
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|
271 if not (connect_host and connect_port) then |
|
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|
272 -- Likely we couldn't resolve DNS |
|
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diff
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|
273 log("warn", "Hmm, we're without a host (%s) and port (%s) to connect to for %s, giving up :(", tostring(connect_host), tostring(connect_port), tostring(to_host)); |
|
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274 return false; |
|
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|
275 end |
|
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|
276 |
| 974 | 277 return try_connect(host_session, connect_host, connect_port); |
| 278 end | |
| 279 | |
| 280 function try_connect(host_session, connect_host, connect_port) | |
|
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|
281 host_session.connecting = true; |
|
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|
282 local handle; |
|
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|
283 handle = adns.lookup(function (reply) |
|
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|
284 handle = nil; |
|
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|
285 host_session.connecting = nil; |
|
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|
286 |
|
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|
287 -- COMPAT: This is a compromise for all you CNAME-(ab)users :) |
|
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changeset
|
288 if not (reply and reply[#reply] and reply[#reply].a) then |
|
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|
289 local count = max_dns_depth; |
|
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290 reply = dns.peek(connect_host, "CNAME", "IN"); |
|
1828
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|
291 while count > 0 and reply and reply[#reply] and not reply[#reply].a and reply[#reply].cname do |
|
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changeset
|
292 log("debug", "Looking up %s (DNS depth is %d)", tostring(reply[#reply].cname), count); |
|
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diff
changeset
|
293 reply = dns.peek(reply[#reply].cname, "A", "IN") or dns.peek(reply[#reply].cname, "CNAME", "IN"); |
|
1805
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parents:
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changeset
|
294 count = count - 1; |
|
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|
295 end |
|
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|
296 end |
|
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|
297 -- end of CNAME resolving |
|
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diff
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|
298 |
|
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changeset
|
299 if reply and reply[#reply] and reply[#reply].a then |
|
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diff
changeset
|
300 log("debug", "DNS reply for %s gives us %s", connect_host, reply[#reply].a); |
|
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diff
changeset
|
301 return make_connect(host_session, reply[#reply].a, connect_port); |
|
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diff
changeset
|
302 else |
|
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diff
changeset
|
303 log("debug", "DNS lookup failed to get a response for %s", connect_host); |
|
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diff
changeset
|
304 if not attempt_connection(host_session, "name resolution failed") then -- Retry if we can |
|
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parents:
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diff
changeset
|
305 log("debug", "No other records to try for %s - destroying", host_session.to_host); |
|
2783
57611584e27d
s2smanager: Give reasons to destroy_session in more cases, including when DNS lookup fails
Matthew Wild <mwild1@gmail.com>
parents:
2781
diff
changeset
|
306 destroy_session(host_session, "DNS resolution failed"); -- End of the line, we can't |
|
1791
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diff
changeset
|
307 end |
|
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diff
changeset
|
308 end |
|
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parents:
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diff
changeset
|
309 end, connect_host, "A", "IN"); |
|
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diff
changeset
|
310 |
|
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diff
changeset
|
311 -- Set handler for DNS timeout |
|
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parents:
1523
diff
changeset
|
312 add_task(dns_timeout, function () |
|
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diff
changeset
|
313 if handle then |
|
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1523
diff
changeset
|
314 adns.cancel(handle, true); |
|
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1523
diff
changeset
|
315 end |
|
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parents:
1523
diff
changeset
|
316 end); |
|
2419
00d985639a06
s2smanager: Trim trailing whitespace
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parents:
2382
diff
changeset
|
317 |
|
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diff
changeset
|
318 return true; |
|
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diff
changeset
|
319 end |
|
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1523
diff
changeset
|
320 |
|
42d0b68a1efd
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parents:
1523
diff
changeset
|
321 function make_connect(host_session, connect_host, connect_port) |
|
2813
46dfcc33ea9e
s2smanager: Use s2smanager log() if session doesn't have a logger (thanks Flo)
Matthew Wild <mwild1@gmail.com>
parents:
2801
diff
changeset
|
322 (host_session.log or log)("info", "Beginning new connection attempt to %s (%s:%d)", host_session.to_host, connect_host, connect_port); |
|
434
0d7ba3742f7a
(Basic) IDNA and SRV fallback support
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parents:
360
diff
changeset
|
323 -- Ok, we're going to try to connect |
| 974 | 324 |
| 325 local from_host, to_host = host_session.from_host, host_session.to_host; | |
| 326 | |
| 327 local conn, handler = socket.tcp() | |
|
2712
9c579864b20a
s2smanager: Log and fail gracefully when unable to create socket for outgoing s2s connection (thanks foucault)
Matthew Wild <mwild1@gmail.com>
parents:
2711
diff
changeset
|
328 |
|
9c579864b20a
s2smanager: Log and fail gracefully when unable to create socket for outgoing s2s connection (thanks foucault)
Matthew Wild <mwild1@gmail.com>
parents:
2711
diff
changeset
|
329 if not conn then |
|
9c579864b20a
s2smanager: Log and fail gracefully when unable to create socket for outgoing s2s connection (thanks foucault)
Matthew Wild <mwild1@gmail.com>
parents:
2711
diff
changeset
|
330 log("warn", "Failed to create outgoing connection, system error: %s", handler); |
|
9c579864b20a
s2smanager: Log and fail gracefully when unable to create socket for outgoing s2s connection (thanks foucault)
Matthew Wild <mwild1@gmail.com>
parents:
2711
diff
changeset
|
331 return false, handler; |
|
9c579864b20a
s2smanager: Log and fail gracefully when unable to create socket for outgoing s2s connection (thanks foucault)
Matthew Wild <mwild1@gmail.com>
parents:
2711
diff
changeset
|
332 end |
| 974 | 333 |
|
434
0d7ba3742f7a
(Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents:
360
diff
changeset
|
334 conn:settimeout(0); |
|
0d7ba3742f7a
(Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents:
360
diff
changeset
|
335 local success, err = conn:connect(connect_host, connect_port); |
|
0d7ba3742f7a
(Basic) IDNA and SRV fallback support
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parents:
360
diff
changeset
|
336 if not success and err ~= "timeout" then |
|
1468
83b297a412a2
s2smanager: Log the hostname and address when s2s connection fails instantly
Matthew Wild <mwild1@gmail.com>
parents:
1450
diff
changeset
|
337 log("warn", "s2s connect() to %s (%s:%d) failed: %s", host_session.to_host, connect_host, connect_port, err); |
|
1492
aaeccebad0f3
s2smanager: Fix to correctly bounce stanzas if first connection attempt fails instantly
Matthew Wild <mwild1@gmail.com>
parents:
1468
diff
changeset
|
338 return false, err; |
|
434
0d7ba3742f7a
(Basic) IDNA and SRV fallback support
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parents:
360
diff
changeset
|
339 end |
|
0d7ba3742f7a
(Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents:
360
diff
changeset
|
340 |
|
0d7ba3742f7a
(Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents:
360
diff
changeset
|
341 local cl = connlisteners_get("xmppserver"); |
|
2545
99700e601d16
s2smanager: Update for new server SSL API (don't pass a sslctx)
Matthew Wild <mwild1@gmail.com>
parents:
2539
diff
changeset
|
342 conn = wrapclient(conn, connect_host, connect_port, cl, cl.default_mode or 1 ); |
|
434
0d7ba3742f7a
(Basic) IDNA and SRV fallback support
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parents:
360
diff
changeset
|
343 host_session.conn = conn; |
|
0d7ba3742f7a
(Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents:
360
diff
changeset
|
344 |
|
3146
aaaea4cdbf10
s2smanager: Add filters for outgoing bytes and stanzas
Matthew Wild <mwild1@gmail.com>
parents:
2951
diff
changeset
|
345 local filter = initialize_filters(host_session); |
|
2019
c712ea57b877
s2smanager: Use session-specific logger to log outgoing data on outgoing s2s connections
Matthew Wild <mwild1@gmail.com>
parents:
1976
diff
changeset
|
346 local w, log = conn.write, host_session.log; |
|
3146
aaaea4cdbf10
s2smanager: Add filters for outgoing bytes and stanzas
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parents:
2951
diff
changeset
|
347 host_session.sends2s = function (t) |
|
3265
9374f84c6677
s2smanager: Fix logging for outgoing sessions to also log pre-filtered data
Matthew Wild <mwild1@gmail.com>
parents:
3224
diff
changeset
|
348 log("debug", "sending: %s", (t.top_tag and t:top_tag()) or t:match("^[^>]*>?")); |
|
3146
aaaea4cdbf10
s2smanager: Add filters for outgoing bytes and stanzas
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parents:
2951
diff
changeset
|
349 if t.name then |
|
aaaea4cdbf10
s2smanager: Add filters for outgoing bytes and stanzas
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parents:
2951
diff
changeset
|
350 t = filter("stanzas/out", t); |
|
aaaea4cdbf10
s2smanager: Add filters for outgoing bytes and stanzas
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parents:
2951
diff
changeset
|
351 end |
|
aaaea4cdbf10
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parents:
2951
diff
changeset
|
352 if t then |
|
aaaea4cdbf10
s2smanager: Add filters for outgoing bytes and stanzas
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parents:
2951
diff
changeset
|
353 t = filter("bytes/out", tostring(t)); |
|
aaaea4cdbf10
s2smanager: Add filters for outgoing bytes and stanzas
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parents:
2951
diff
changeset
|
354 if t then |
|
aaaea4cdbf10
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parents:
2951
diff
changeset
|
355 return w(conn, tostring(t)); |
|
aaaea4cdbf10
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Matthew Wild <mwild1@gmail.com>
parents:
2951
diff
changeset
|
356 end |
|
aaaea4cdbf10
s2smanager: Add filters for outgoing bytes and stanzas
Matthew Wild <mwild1@gmail.com>
parents:
2951
diff
changeset
|
357 end |
|
aaaea4cdbf10
s2smanager: Add filters for outgoing bytes and stanzas
Matthew Wild <mwild1@gmail.com>
parents:
2951
diff
changeset
|
358 end |
|
434
0d7ba3742f7a
(Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents:
360
diff
changeset
|
359 |
|
3308
f5243ca9662f
s2smanager: Register outgoing connection with the connection listener only after initializing filters (thanks darkrain, dersd)
Matthew Wild <mwild1@gmail.com>
parents:
3265
diff
changeset
|
360 -- Register this outgoing connection so that xmppserver_listener knows about it |
|
f5243ca9662f
s2smanager: Register outgoing connection with the connection listener only after initializing filters (thanks darkrain, dersd)
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parents:
3265
diff
changeset
|
361 -- otherwise it will assume it is a new incoming connection |
|
f5243ca9662f
s2smanager: Register outgoing connection with the connection listener only after initializing filters (thanks darkrain, dersd)
Matthew Wild <mwild1@gmail.com>
parents:
3265
diff
changeset
|
362 cl.register_outgoing(conn, host_session); |
|
f5243ca9662f
s2smanager: Register outgoing connection with the connection listener only after initializing filters (thanks darkrain, dersd)
Matthew Wild <mwild1@gmail.com>
parents:
3265
diff
changeset
|
363 |
|
2469
9e0c0b08f219
s2smanager: No-one noticed that Prosody stopped sending to/from on stream headers recently? :)
Matthew Wild <mwild1@gmail.com>
parents:
2426
diff
changeset
|
364 host_session:open_stream(from_host, to_host); |
|
2426
4cef9808662a
s2smanager: Split sending of stream header into a :open_stream() method
Matthew Wild <mwild1@gmail.com>
parents:
2422
diff
changeset
|
365 |
| 974 | 366 log("debug", "Connection attempt in progress..."); |
|
1796
5f7b2f940816
s2smanager: Timeout unauthed s2s connections
Matthew Wild <mwild1@gmail.com>
parents:
1793
diff
changeset
|
367 add_task(connect_timeout, function () |
|
5f7b2f940816
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Matthew Wild <mwild1@gmail.com>
parents:
1793
diff
changeset
|
368 if host_session.conn ~= conn or |
|
5f7b2f940816
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parents:
1793
diff
changeset
|
369 host_session.type == "s2sout" or |
|
5f7b2f940816
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parents:
1793
diff
changeset
|
370 host_session.connecting then |
|
5f7b2f940816
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parents:
1793
diff
changeset
|
371 return; -- Ok, we're connect[ed|ing] |
|
5f7b2f940816
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parents:
1793
diff
changeset
|
372 end |
|
5f7b2f940816
s2smanager: Timeout unauthed s2s connections
Matthew Wild <mwild1@gmail.com>
parents:
1793
diff
changeset
|
373 -- Not connected, need to close session and clean up |
|
2419
00d985639a06
s2smanager: Trim trailing whitespace
Matthew Wild <mwild1@gmail.com>
parents:
2382
diff
changeset
|
374 (host_session.log or log)("warn", "Destroying incomplete session %s->%s due to inactivity", |
|
1796
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s2smanager: Timeout unauthed s2s connections
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parents:
1793
diff
changeset
|
375 host_session.from_host or "(unknown)", host_session.to_host or "(unknown)"); |
|
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parents:
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diff
changeset
|
376 host_session:close("connection-timeout"); |
|
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parents:
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diff
changeset
|
377 end); |
|
434
0d7ba3742f7a
(Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents:
360
diff
changeset
|
378 return true; |
| 148 | 379 end |
| 380 | |
|
2426
4cef9808662a
s2smanager: Split sending of stream header into a :open_stream() method
Matthew Wild <mwild1@gmail.com>
parents:
2422
diff
changeset
|
381 function session_open_stream(session, from, to) |
|
4cef9808662a
s2smanager: Split sending of stream header into a :open_stream() method
Matthew Wild <mwild1@gmail.com>
parents:
2422
diff
changeset
|
382 session.sends2s(st.stanza("stream:stream", { |
|
4cef9808662a
s2smanager: Split sending of stream header into a :open_stream() method
Matthew Wild <mwild1@gmail.com>
parents:
2422
diff
changeset
|
383 xmlns='jabber:server', ["xmlns:db"]='jabber:server:dialback', |
|
4cef9808662a
s2smanager: Split sending of stream header into a :open_stream() method
Matthew Wild <mwild1@gmail.com>
parents:
2422
diff
changeset
|
384 ["xmlns:stream"]='http://etherx.jabber.org/streams', |
|
4cef9808662a
s2smanager: Split sending of stream header into a :open_stream() method
Matthew Wild <mwild1@gmail.com>
parents:
2422
diff
changeset
|
385 from=from, to=to, version='1.0', ["xml:lang"]='en'}):top_tag()); |
|
4cef9808662a
s2smanager: Split sending of stream header into a :open_stream() method
Matthew Wild <mwild1@gmail.com>
parents:
2422
diff
changeset
|
386 end |
|
4cef9808662a
s2smanager: Split sending of stream header into a :open_stream() method
Matthew Wild <mwild1@gmail.com>
parents:
2422
diff
changeset
|
387 |
| 148 | 388 function streamopened(session, attr) |
|
186
bfa8a30ea488
sends2s -> s2s_session.send(), s2s_session.send() -> s2s_session.sends2s()
Matthew Wild <mwild1@gmail.com>
parents:
179
diff
changeset
|
389 local send = session.sends2s; |
| 148 | 390 |
|
544
efde848869c5
Don't send stream:features to incoming s2s connections
Matthew Wild <mwild1@gmail.com>
parents:
543
diff
changeset
|
391 -- TODO: #29: SASL/TLS on s2s streams |
|
1894
53f34ba6f6d6
Minor changes; outgoing TLS works.
Paul Aurich <paul@darkrain42.org>
parents:
1891
diff
changeset
|
392 session.version = tonumber(attr.version) or 0; |
|
544
efde848869c5
Don't send stream:features to incoming s2s connections
Matthew Wild <mwild1@gmail.com>
parents:
543
diff
changeset
|
393 |
|
1909
84027581c995
s2smanager: Mark session as secure if it was negotiating TLS and opens a new stream
Matthew Wild <mwild1@gmail.com>
parents:
1895
diff
changeset
|
394 if session.secure == false then |
|
84027581c995
s2smanager: Mark session as secure if it was negotiating TLS and opens a new stream
Matthew Wild <mwild1@gmail.com>
parents:
1895
diff
changeset
|
395 session.secure = true; |
|
84027581c995
s2smanager: Mark session as secure if it was negotiating TLS and opens a new stream
Matthew Wild <mwild1@gmail.com>
parents:
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diff
changeset
|
396 end |
|
84027581c995
s2smanager: Mark session as secure if it was negotiating TLS and opens a new stream
Matthew Wild <mwild1@gmail.com>
parents:
1895
diff
changeset
|
397 |
| 148 | 398 if session.direction == "incoming" then |
| 399 -- Send a reply stream header | |
|
938
663f75dd7b42
Fixed: Some nil access bugs
Waqas Hussain <waqas20@gmail.com>
parents:
931
diff
changeset
|
400 session.to_host = attr.to and nameprep(attr.to); |
|
663f75dd7b42
Fixed: Some nil access bugs
Waqas Hussain <waqas20@gmail.com>
parents:
931
diff
changeset
|
401 session.from_host = attr.from and nameprep(attr.from); |
| 148 | 402 |
| 403 session.streamid = uuid_gen(); | |
|
360
e918c979ad1a
Remove or comment useless prints, or change them to log()
Matthew Wild <mwild1@gmail.com>
parents:
354
diff
changeset
|
404 (session.log or log)("debug", "incoming s2s received <stream:stream>"); |
| 331 | 405 if session.to_host and not hosts[session.to_host] then |
| 406 -- Attempting to connect to a host we don't serve | |
|
434
0d7ba3742f7a
(Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents:
360
diff
changeset
|
407 session:close({ condition = "host-unknown"; text = "This host does not serve "..session.to_host }); |
| 331 | 408 return; |
| 409 end | |
|
2780
f8232abcab2a
s2smanager: Send reply stream header only after checking we serve this host (sorry darkrain... :) )
Matthew Wild <mwild1@gmail.com>
parents:
2760
diff
changeset
|
410 send("<?xml version='1.0'?>"); |
|
2419
00d985639a06
s2smanager: Trim trailing whitespace
Matthew Wild <mwild1@gmail.com>
parents:
2382
diff
changeset
|
411 send(stanza("stream:stream", { xmlns='jabber:server', ["xmlns:db"]='jabber:server:dialback', |
|
2787
1067a454a068
s2smanager: Stamp a 'to' on the reply stream:stream. This makes prosody happy.
Paul Aurich <paul@darkrain42.org>
parents:
2783
diff
changeset
|
412 ["xmlns:stream"]='http://etherx.jabber.org/streams', id=session.streamid, from=session.to_host, to=session.from_host, version=(session.version > 0 and "1.0" or nil) }):top_tag()); |
|
345
6a7acfc1c933
Send version=1.0 in s2s stream header. Send s2s stream:features when in 1.0 mode.
Matthew Wild <mwild1@gmail.com>
parents:
344
diff
changeset
|
413 if session.version >= 1.0 then |
|
1889
e875833ae08e
s2smanager: Send stream:features for incoming s2s connections which support XMPP 1.0
Matthew Wild <mwild1@gmail.com>
parents:
1888
diff
changeset
|
414 local features = st.stanza("stream:features"); |
|
2780
f8232abcab2a
s2smanager: Send reply stream header only after checking we serve this host (sorry darkrain... :) )
Matthew Wild <mwild1@gmail.com>
parents:
2760
diff
changeset
|
415 |
|
1936
a6ca0dcc7b83
s2smanager: Make s2s-stream-features a per-host event
Matthew Wild <mwild1@gmail.com>
parents:
1930
diff
changeset
|
416 if session.to_host then |
|
2613
afa20941e098
s2smanager, mod_compression, mod_tls: Changed event.session to event.origin for s2s-stream-features event for consistency.
Waqas Hussain <waqas20@gmail.com>
parents:
2545
diff
changeset
|
417 hosts[session.to_host].events.fire_event("s2s-stream-features", { origin = session, features = features }); |
|
1936
a6ca0dcc7b83
s2smanager: Make s2s-stream-features a per-host event
Matthew Wild <mwild1@gmail.com>
parents:
1930
diff
changeset
|
418 else |
|
a6ca0dcc7b83
s2smanager: Make s2s-stream-features a per-host event
Matthew Wild <mwild1@gmail.com>
parents:
1930
diff
changeset
|
419 (session.log or log)("warn", "No 'to' on stream header from %s means we can't offer any features", session.from_host or "unknown host"); |
|
a6ca0dcc7b83
s2smanager: Make s2s-stream-features a per-host event
Matthew Wild <mwild1@gmail.com>
parents:
1930
diff
changeset
|
420 end |
|
1889
e875833ae08e
s2smanager: Send stream:features for incoming s2s connections which support XMPP 1.0
Matthew Wild <mwild1@gmail.com>
parents:
1888
diff
changeset
|
421 |
|
e875833ae08e
s2smanager: Send stream:features for incoming s2s connections which support XMPP 1.0
Matthew Wild <mwild1@gmail.com>
parents:
1888
diff
changeset
|
422 log("debug", "Sending stream features: %s", tostring(features)); |
|
e875833ae08e
s2smanager: Send stream:features for incoming s2s connections which support XMPP 1.0
Matthew Wild <mwild1@gmail.com>
parents:
1888
diff
changeset
|
423 send(features); |
|
345
6a7acfc1c933
Send version=1.0 in s2s stream header. Send s2s stream:features when in 1.0 mode.
Matthew Wild <mwild1@gmail.com>
parents:
344
diff
changeset
|
424 end |
| 148 | 425 elseif session.direction == "outgoing" then |
| 426 -- If we are just using the connection for verifying dialback keys, we won't try and auth it | |
|
190
1e993b7deae7
General fixes for s2s, to make it more robust (I hope), sending data to remote hosts sane (s2ssession.send() works as expected), recycle outgoing dialback connections, etc.
Matthew Wild <mwild1@gmail.com>
parents:
186
diff
changeset
|
427 if not attr.id then error("stream response did not give us a streamid!!!"); end |
|
1e993b7deae7
General fixes for s2s, to make it more robust (I hope), sending data to remote hosts sane (s2ssession.send() works as expected), recycle outgoing dialback connections, etc.
Matthew Wild <mwild1@gmail.com>
parents:
186
diff
changeset
|
428 session.streamid = attr.id; |
|
1e993b7deae7
General fixes for s2s, to make it more robust (I hope), sending data to remote hosts sane (s2ssession.send() works as expected), recycle outgoing dialback connections, etc.
Matthew Wild <mwild1@gmail.com>
parents:
186
diff
changeset
|
429 |
|
1007
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
1006
diff
changeset
|
430 -- Send unauthed buffer |
|
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
1006
diff
changeset
|
431 -- (stanzas which are fine to send before dialback) |
|
2419
00d985639a06
s2smanager: Trim trailing whitespace
Matthew Wild <mwild1@gmail.com>
parents:
2382
diff
changeset
|
432 -- Note that this is *not* the stanza queue (which |
|
1007
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
1006
diff
changeset
|
433 -- we can only send if auth succeeds) :) |
|
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
1006
diff
changeset
|
434 local send_buffer = session.send_buffer; |
|
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
1006
diff
changeset
|
435 if send_buffer and #send_buffer > 0 then |
|
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
1006
diff
changeset
|
436 log("debug", "Sending s2s send_buffer now..."); |
|
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
1006
diff
changeset
|
437 for i, data in ipairs(send_buffer) do |
|
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
1006
diff
changeset
|
438 session.sends2s(tostring(data)); |
|
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
1006
diff
changeset
|
439 send_buffer[i] = nil; |
|
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
1006
diff
changeset
|
440 end |
|
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
1006
diff
changeset
|
441 end |
|
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
1006
diff
changeset
|
442 session.send_buffer = nil; |
|
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
1006
diff
changeset
|
443 |
|
1890
aed0d8a0cca8
s2smanager: Don't wait for stream:features from non-XMPP-1.0 hosts
Matthew Wild <mwild1@gmail.com>
parents:
1889
diff
changeset
|
444 -- If server is pre-1.0, don't wait for features, just do dialback |
|
aed0d8a0cca8
s2smanager: Don't wait for stream:features from non-XMPP-1.0 hosts
Matthew Wild <mwild1@gmail.com>
parents:
1889
diff
changeset
|
445 if session.version < 1.0 then |
|
aed0d8a0cca8
s2smanager: Don't wait for stream:features from non-XMPP-1.0 hosts
Matthew Wild <mwild1@gmail.com>
parents:
1889
diff
changeset
|
446 if not session.dialback_verifying then |
|
1894
53f34ba6f6d6
Minor changes; outgoing TLS works.
Paul Aurich <paul@darkrain42.org>
parents:
1891
diff
changeset
|
447 log("debug", "Initiating dialback..."); |
|
1890
aed0d8a0cca8
s2smanager: Don't wait for stream:features from non-XMPP-1.0 hosts
Matthew Wild <mwild1@gmail.com>
parents:
1889
diff
changeset
|
448 initiate_dialback(session); |
|
aed0d8a0cca8
s2smanager: Don't wait for stream:features from non-XMPP-1.0 hosts
Matthew Wild <mwild1@gmail.com>
parents:
1889
diff
changeset
|
449 else |
|
aed0d8a0cca8
s2smanager: Don't wait for stream:features from non-XMPP-1.0 hosts
Matthew Wild <mwild1@gmail.com>
parents:
1889
diff
changeset
|
450 mark_connected(session); |
|
aed0d8a0cca8
s2smanager: Don't wait for stream:features from non-XMPP-1.0 hosts
Matthew Wild <mwild1@gmail.com>
parents:
1889
diff
changeset
|
451 end |
| 148 | 452 end |
| 453 end | |
| 454 session.notopen = nil; | |
| 455 end | |
| 456 | |
|
959
e3db909065f2
sessionmanager, s2smanager, mod_component: Send reply </stream:stream> when client closes stream
Matthew Wild <mwild1@gmail.com>
parents:
938
diff
changeset
|
457 function streamclosed(session) |
|
2747
168104895051
sessionmanager, s2smanager: Close session on </stream:stream>
Matthew Wild <mwild1@gmail.com>
parents:
2746
diff
changeset
|
458 (session.log or log)("debug", "Received </stream:stream>"); |
|
168104895051
sessionmanager, s2smanager: Close session on </stream:stream>
Matthew Wild <mwild1@gmail.com>
parents:
2746
diff
changeset
|
459 session:close(); |
|
959
e3db909065f2
sessionmanager, s2smanager, mod_component: Send reply </stream:stream> when client closes stream
Matthew Wild <mwild1@gmail.com>
parents:
938
diff
changeset
|
460 end |
|
e3db909065f2
sessionmanager, s2smanager, mod_component: Send reply </stream:stream> when client closes stream
Matthew Wild <mwild1@gmail.com>
parents:
938
diff
changeset
|
461 |
|
190
1e993b7deae7
General fixes for s2s, to make it more robust (I hope), sending data to remote hosts sane (s2ssession.send() works as expected), recycle outgoing dialback connections, etc.
Matthew Wild <mwild1@gmail.com>
parents:
186
diff
changeset
|
462 function initiate_dialback(session) |
|
1e993b7deae7
General fixes for s2s, to make it more robust (I hope), sending data to remote hosts sane (s2ssession.send() works as expected), recycle outgoing dialback connections, etc.
Matthew Wild <mwild1@gmail.com>
parents:
186
diff
changeset
|
463 -- generate dialback key |
|
1e993b7deae7
General fixes for s2s, to make it more robust (I hope), sending data to remote hosts sane (s2ssession.send() works as expected), recycle outgoing dialback connections, etc.
Matthew Wild <mwild1@gmail.com>
parents:
186
diff
changeset
|
464 session.dialback_key = generate_dialback(session.streamid, session.to_host, session.from_host); |
|
1e993b7deae7
General fixes for s2s, to make it more robust (I hope), sending data to remote hosts sane (s2ssession.send() works as expected), recycle outgoing dialback connections, etc.
Matthew Wild <mwild1@gmail.com>
parents:
186
diff
changeset
|
465 session.sends2s(format("<db:result from='%s' to='%s'>%s</db:result>", session.from_host, session.to_host, session.dialback_key)); |
|
1e993b7deae7
General fixes for s2s, to make it more robust (I hope), sending data to remote hosts sane (s2ssession.send() works as expected), recycle outgoing dialback connections, etc.
Matthew Wild <mwild1@gmail.com>
parents:
186
diff
changeset
|
466 session.log("info", "sent dialback key on outgoing s2s stream"); |
|
1e993b7deae7
General fixes for s2s, to make it more robust (I hope), sending data to remote hosts sane (s2ssession.send() works as expected), recycle outgoing dialback connections, etc.
Matthew Wild <mwild1@gmail.com>
parents:
186
diff
changeset
|
467 end |
|
1e993b7deae7
General fixes for s2s, to make it more robust (I hope), sending data to remote hosts sane (s2ssession.send() works as expected), recycle outgoing dialback connections, etc.
Matthew Wild <mwild1@gmail.com>
parents:
186
diff
changeset
|
468 |
| 148 | 469 function generate_dialback(id, to, from) |
|
2420
6ccd36a95a81
s2smanager, hostmanager: Make dialback secrets per-host
Matthew Wild <mwild1@gmail.com>
parents:
2419
diff
changeset
|
470 return sha256_hash(id..to..from..hosts[from].dialback_secret, true); |
| 148 | 471 end |
| 472 | |
| 473 function verify_dialback(id, to, from, key) | |
| 474 return key == generate_dialback(id, to, from); | |
| 475 end | |
| 476 | |
|
621
cd2cab5400fc
Add support for dialback piggy-backing. Fixes #37. Thanks to CShadowRun for helping me test :)
Matthew Wild <mwild1@gmail.com>
parents:
615
diff
changeset
|
477 function make_authenticated(session, host) |
|
2799
0dc7b5ceaf8f
s2smanager: Make require_s2s_encryption do what it says on the tin
Matthew Wild <mwild1@gmail.com>
parents:
2787
diff
changeset
|
478 if not session.secure then |
|
0dc7b5ceaf8f
s2smanager: Make require_s2s_encryption do what it says on the tin
Matthew Wild <mwild1@gmail.com>
parents:
2787
diff
changeset
|
479 local local_host = session.direction == "incoming" and session.to_host or session.from_host; |
|
2801
0323bdb1fcfa
s2smanager: Fix syntax error)
Matthew Wild <mwild1@gmail.com>
parents:
2800
diff
changeset
|
480 if config.get(local_host, "core", "s2s_require_encryption") then |
|
2799
0dc7b5ceaf8f
s2smanager: Make require_s2s_encryption do what it says on the tin
Matthew Wild <mwild1@gmail.com>
parents:
2787
diff
changeset
|
481 session:close({ |
|
0dc7b5ceaf8f
s2smanager: Make require_s2s_encryption do what it says on the tin
Matthew Wild <mwild1@gmail.com>
parents:
2787
diff
changeset
|
482 condition = "policy-violation", |
|
0dc7b5ceaf8f
s2smanager: Make require_s2s_encryption do what it says on the tin
Matthew Wild <mwild1@gmail.com>
parents:
2787
diff
changeset
|
483 text = "Encrypted server-to-server communication is required but was not " |
|
0dc7b5ceaf8f
s2smanager: Make require_s2s_encryption do what it says on the tin
Matthew Wild <mwild1@gmail.com>
parents:
2787
diff
changeset
|
484 ..((session.direction == "outgoing" and "offered") or "used") |
|
0dc7b5ceaf8f
s2smanager: Make require_s2s_encryption do what it says on the tin
Matthew Wild <mwild1@gmail.com>
parents:
2787
diff
changeset
|
485 }); |
|
0dc7b5ceaf8f
s2smanager: Make require_s2s_encryption do what it says on the tin
Matthew Wild <mwild1@gmail.com>
parents:
2787
diff
changeset
|
486 end |
|
0dc7b5ceaf8f
s2smanager: Make require_s2s_encryption do what it says on the tin
Matthew Wild <mwild1@gmail.com>
parents:
2787
diff
changeset
|
487 end |
| 148 | 488 if session.type == "s2sout_unauthed" then |
| 489 session.type = "s2sout"; | |
| 490 elseif session.type == "s2sin_unauthed" then | |
| 491 session.type = "s2sin"; | |
|
621
cd2cab5400fc
Add support for dialback piggy-backing. Fixes #37. Thanks to CShadowRun for helping me test :)
Matthew Wild <mwild1@gmail.com>
parents:
615
diff
changeset
|
492 if host then |
|
cd2cab5400fc
Add support for dialback piggy-backing. Fixes #37. Thanks to CShadowRun for helping me test :)
Matthew Wild <mwild1@gmail.com>
parents:
615
diff
changeset
|
493 session.hosts[host].authed = true; |
|
cd2cab5400fc
Add support for dialback piggy-backing. Fixes #37. Thanks to CShadowRun for helping me test :)
Matthew Wild <mwild1@gmail.com>
parents:
615
diff
changeset
|
494 end |
|
cd2cab5400fc
Add support for dialback piggy-backing. Fixes #37. Thanks to CShadowRun for helping me test :)
Matthew Wild <mwild1@gmail.com>
parents:
615
diff
changeset
|
495 elseif session.type == "s2sin" and host then |
|
cd2cab5400fc
Add support for dialback piggy-backing. Fixes #37. Thanks to CShadowRun for helping me test :)
Matthew Wild <mwild1@gmail.com>
parents:
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496 session.hosts[host].authed = true; |
| 148 | 497 else |
| 498 return false; | |
| 499 end | |
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500 session.log("debug", "connection %s->%s is now authenticated", session.from_host or "(unknown)", session.to_host or "(unknown)"); |
| 148 | 501 |
| 502 mark_connected(session); | |
| 503 | |
| 504 return true; | |
| 505 end | |
| 506 | |
| 1891 | 507 -- Stream is authorised, and ready for normal stanzas |
| 148 | 508 function mark_connected(session) |
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509 local sendq, send = session.sendq, session.sends2s; |
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510 |
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511 local from, to = session.from_host, session.to_host; |
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512 |
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513 session.log("info", session.direction.." s2s connection "..from.."->"..to.." complete"); |
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514 |
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515 local send_to_host = send_to_host; |
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516 function session.send(data) send_to_host(to, from, data); end |
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517 |
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518 |
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519 if session.direction == "outgoing" then |
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520 if sendq then |
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521 session.log("debug", "sending "..#sendq.." queued stanzas across new outgoing connection to "..session.to_host); |
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522 for i, data in ipairs(sendq) do |
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523 send(data[1]); |
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524 sendq[i] = nil; |
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525 end |
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526 session.sendq = nil; |
| 148 | 527 end |
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528 |
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529 session.srv_hosts = nil; |
| 148 | 530 end |
| 531 end | |
| 532 | |
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533 local resting_session = { -- Resting, not dead |
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534 destroyed = true; |
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535 type = "s2s_destroyed"; |
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536 open_stream = function (session) |
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537 session.log("debug", "Attempt to open stream on resting session"); |
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538 end; |
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539 close = function (session) |
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540 session.log("debug", "Attempt to close already-closed session"); |
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541 end; |
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542 }; resting_session.__index = resting_session; |
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543 |
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544 function retire_session(session) |
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545 local log = session.log or log; |
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546 for k in pairs(session) do |
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547 if k ~= "trace" and k ~= "log" and k ~= "id" then |
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548 session[k] = nil; |
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549 end |
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550 end |
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551 |
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552 function session.send(data) log("debug", "Discarding data sent to resting session: %s", tostring(data)); end |
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553 function session.data(data) log("debug", "Discarding data received from resting session: %s", tostring(data)); end |
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554 return setmetatable(session, resting_session); |
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555 end |
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556 |
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557 function destroy_session(session, reason) |
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558 if session.destroyed then return; end |
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559 (session.log or log)("info", "Destroying "..tostring(session.direction).." session "..tostring(session.from_host).."->"..tostring(session.to_host)); |
| 331 | 560 |
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561 if session.direction == "outgoing" then |
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562 hosts[session.from_host].s2sout[session.to_host] = nil; |
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563 bounce_sendq(session, reason); |
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564 elseif session.direction == "incoming" then |
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565 incoming_s2s[session] = nil; |
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566 end |
| 331 | 567 |
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568 retire_session(session); -- Clean session until it is GC'd |
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569 end |
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570 |
|
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Just committing this warning, because I want to know if the problem really affects us
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571 return _M; |
