Software / code / prosody
Annotate
core/s2smanager.lua @ 2426:4cef9808662a
s2smanager: Split sending of stream header into a :open_stream() method
| author | Matthew Wild <mwild1@gmail.com> |
|---|---|
| date | Sat, 09 Jan 2010 06:53:23 +0000 |
| parent | 2422:affeb565b050 |
| child | 2469:9e0c0b08f219 |
| rev | line source |
|---|---|
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1 -- Prosody IM |
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Update copyright notices for 2009
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2 -- Copyright (C) 2008-2009 Matthew Wild |
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3 -- Copyright (C) 2008-2009 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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19 local tostring, pairs, ipairs, getmetatable, newproxy, error, tonumber |
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20 = tostring, pairs, ipairs, getmetatable, newproxy, error, tonumber; |
| 148 | 21 |
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(Basic) IDNA and SRV fallback support
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22 local idna_to_ascii = require "util.encodings".idna.to_ascii; |
| 148 | 23 local connlisteners_get = require "net.connlisteners".get; |
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Port to new server.lua, quite some changes, but I believe everything to be working
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24 local wrapclient = require "net.server".wrapclient; |
| 148 | 25 local modulemanager = require "core.modulemanager"; |
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26 local st = require "stanza"; |
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27 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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28 local nameprep = require "util.encodings".stringprep.nameprep; |
| 148 | 29 |
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s2smanager: Send stream:features for incoming s2s connections which support XMPP 1.0
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30 local fire_event = require "core.eventmanager".fire_event; |
| 148 | 31 local uuid_gen = require "util.uuid".generate; |
| 32 | |
| 33 local logger_init = require "util.logger".init; | |
| 34 | |
| 35 local log = logger_init("s2smanager"); | |
| 36 | |
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37 local sha256_hash = require "util.hashes".sha256; |
| 148 | 38 |
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s2smanager: Compatibility with domains which use CNAMEs
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39 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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40 local config = require "core.configmanager"; |
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41 local connect_timeout = config.get("*", "core", "s2s_timeout") or 60; |
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42 local dns_timeout = config.get("*", "core", "dns_timeout") or 60; |
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43 local max_dns_depth = config.get("*", "core", "dns_max_depth") or 3; |
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44 |
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45 incoming_s2s = {}; |
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s2smanager: Add incoming_s2s to the prosody object
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46 _G.prosody.incoming_s2s = incoming_s2s; |
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47 local incoming_s2s = incoming_s2s; |
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48 |
| 148 | 49 module "s2smanager" |
| 50 | |
| 337 | 51 local function compare_srv_priorities(a,b) return a.priority < b.priority or a.weight < b.weight; end |
| 52 | |
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53 local function bounce_sendq(session, reason) |
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54 local sendq = session.sendq; |
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55 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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56 session.log("info", "sending error replies for "..#sendq.." queued stanzas because of failed outgoing connection to "..tostring(session.to_host)); |
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57 local dummy = { |
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58 type = "s2sin"; |
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59 send = function(s) |
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60 (session.log or log)("error", "Replying to to an s2s error reply, please report this! Traceback: %s", get_traceback()); |
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61 end; |
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62 dummy = true; |
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63 }; |
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64 for i, data in ipairs(sendq) do |
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65 local reply = data[2]; |
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66 local xmlns = reply.attr.xmlns; |
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67 if not xmlns or xmlns == "jabber:client" or xmlns == "jabber:server" then |
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68 reply.attr.type = "error"; |
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69 reply:tag("error", {type = "cancel"}) |
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70 :tag("remote-server-not-found", {xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas"}):up(); |
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71 if reason then |
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72 reply:tag("text", {xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas"}):text("Connection failed: "..reason):up(); |
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73 end |
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74 core_process_stanza(dummy, reply); |
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75 end |
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76 sendq[i] = nil; |
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77 end |
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78 session.sendq = nil; |
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79 end |
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80 end |
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81 |
| 148 | 82 function send_to_host(from_host, to_host, data) |
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83 if not hosts[from_host] then |
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84 log("warn", "Attempt to send stanza from %s - a host we don't serve", from_host); |
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85 return false; |
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86 end |
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87 local host = hosts[from_host].s2sout[to_host]; |
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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.
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88 if host then |
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Some s2s fixes. Now connect() does not block, and stanzas are not lost when connection is slow
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89 -- We have a connection to this host already |
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s2smanager: Queue db:verify unless we already sent a db:result (if we had then it can could a dialback deadlock). Also remove some redundant code which could cause a db:result to be sent while still negotiating features (e.g. TLS) and break things. Collectively these fix a 'random' s2s failure (usually with ejabberd for some reason) - resulting in an 'unbound prefix' XML error, or 'ssl handshake failure'. Was this commit message long enough? I think so.
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90 if host.type == "s2sout_unauthed" and (data.name ~= "db:verify" or not host.dialback_key) and ((not data.xmlns) or data.xmlns == "jabber:client" or data.xmlns == "jabber:server") then |
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Fix for s2s with jabberd2 (we weren't routing db:verify's over s2sout_unauthed)
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91 (host.log or log)("debug", "trying to send over unauthed s2sout to "..to_host); |
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92 |
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93 -- Queue stanza until we are able to send it |
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94 if host.sendq then t_insert(host.sendq, {tostring(data), st.reply(data)}); |
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95 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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96 host.log("debug", "stanza [%s] queued ", data.name); |
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97 elseif host.type == "local" or host.type == "component" then |
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98 log("error", "Trying to send a stanza to ourselves??") |
| 256 | 99 log("error", "Traceback: %s", get_traceback()); |
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Yep, s2s definitely works now. This is just a small fix for logging...
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100 log("error", "Stanza: %s", tostring(data)); |
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101 else |
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102 (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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103 -- FIXME |
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104 if host.from_host ~= from_host then |
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105 log("error", "WARNING! This might, possibly, be a bug, but it might not..."); |
| 331 | 106 log("error", "We are going to send from %s instead of %s", tostring(host.from_host), tostring(from_host)); |
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107 end |
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108 host.sends2s(data); |
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109 host.log("debug", "stanza sent over "..host.type); |
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110 end |
| 148 | 111 else |
| 112 log("debug", "opening a new outgoing connection for this stanza"); | |
| 113 local host_session = new_outgoing(from_host, to_host); | |
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s2smanager: Fail outgoing s2s connection if hostname does not pass idna_to_ascii(), thanks Flo + waqas
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114 |
| 148 | 115 -- Store in buffer |
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116 host_session.sendq = { {tostring(data), st.reply(data)} }; |
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117 log("debug", "stanza [%s] queued until connection complete", tostring(data.name)); |
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118 if (not host_session.connecting) and (not host_session.conn) then |
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119 log("warn", "Connection to %s failed already, destroying session...", to_host); |
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120 destroy_session(host_session); |
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121 end |
| 148 | 122 end |
| 123 end | |
| 124 | |
| 125 local open_sessions = 0; | |
| 126 | |
| 127 function new_incoming(conn) | |
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128 local session = { conn = conn, type = "s2sin_unauthed", direction = "incoming", hosts = {} }; |
| 148 | 129 if true then |
| 130 session.trace = newproxy(true); | |
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131 getmetatable(session.trace).__gc = function () open_sessions = open_sessions - 1; end; |
| 148 | 132 end |
| 133 open_sessions = open_sessions + 1; | |
| 343 | 134 local w, log = conn.write, logger_init("s2sin"..tostring(conn):match("[a-f0-9]+$")); |
|
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135 session.log = log; |
|
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136 session.sends2s = function (t) log("debug", "sending: %s", t.top_tag and t:top_tag() or t:match("^([^>]*>?)")); w(conn, tostring(t)); end |
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137 incoming_s2s[session] = true; |
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138 add_task(connect_timeout, function () |
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139 if session.conn ~= conn or |
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140 session.type == "s2sin" then |
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141 return; -- Ok, we're connect[ed|ing] |
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142 end |
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143 -- Not connected, need to close session and clean up |
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144 (session.log or log)("warn", "Destroying incomplete session %s->%s due to inactivity", |
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145 session.from_host or "(unknown)", session.to_host or "(unknown)"); |
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146 session:close("connection-timeout"); |
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147 end); |
| 148 | 148 return session; |
| 149 end | |
| 150 | |
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151 function new_outgoing(from_host, to_host, connect) |
|
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152 local host_session = { to_host = to_host, from_host = from_host, host = from_host, |
|
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153 notopen = true, type = "s2sout_unauthed", direction = "outgoing", |
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154 open_stream = session_open_stream }; |
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155 |
|
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156 hosts[from_host].s2sout[to_host] = host_session; |
| 148 | 157 |
|
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158 local log; |
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159 do |
|
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160 local conn_name = "s2sout"..tostring(host_session):match("[a-f0-9]*$"); |
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161 log = logger_init(conn_name); |
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162 host_session.log = log; |
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163 end |
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164 |
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165 if connect ~= false then |
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166 -- Kick the connection attempting machine into life |
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167 attempt_connection(host_session); |
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168 end |
|
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169 |
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170 if not host_session.sends2s then |
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171 -- A sends2s which buffers data (until the stream is opened) |
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172 -- note that data in this buffer will be sent before the stream is authed |
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173 -- and will not be ack'd in any way, successful or otherwise |
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174 local buffer; |
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175 function host_session.sends2s(data) |
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176 if not buffer then |
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177 buffer = {}; |
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178 host_session.send_buffer = buffer; |
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179 end |
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180 log("debug", "Buffering data on unconnected s2sout to %s", to_host); |
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181 buffer[#buffer+1] = data; |
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182 log("debug", "Buffered item %d: %s", #buffer, tostring(data)); |
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183 end |
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184 |
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185 end |
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186 |
|
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187 return host_session; |
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188 end |
|
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189 |
|
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190 |
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191 function attempt_connection(host_session, err) |
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192 local from_host, to_host = host_session.from_host, host_session.to_host; |
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193 local connect_host, connect_port = idna_to_ascii(to_host), 5269; |
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194 |
|
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195 if not connect_host then |
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196 return false; |
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197 end |
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198 |
|
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199 if not err then -- This is our first attempt |
|
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200 log("debug", "First attempt to connect to %s, starting with SRV lookup...", to_host); |
| 974 | 201 host_session.connecting = true; |
|
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202 local handle; |
|
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203 handle = adns.lookup(function (answer) |
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204 handle = nil; |
| 974 | 205 host_session.connecting = nil; |
| 206 if answer then | |
| 207 log("debug", to_host.." has SRV records, handling..."); | |
| 208 local srv_hosts = {}; | |
| 209 host_session.srv_hosts = srv_hosts; | |
| 210 for _, record in ipairs(answer) do | |
| 211 t_insert(srv_hosts, record.srv); | |
| 212 end | |
| 213 t_sort(srv_hosts, compare_srv_priorities); | |
| 214 | |
| 215 local srv_choice = srv_hosts[1]; | |
| 216 host_session.srv_choice = 1; | |
| 217 if srv_choice then | |
| 218 connect_host, connect_port = srv_choice.target or to_host, srv_choice.port or connect_port; | |
| 219 log("debug", "Best record found, will connect to %s:%d", connect_host, connect_port); | |
| 220 end | |
| 221 else | |
| 222 log("debug", to_host.." has no SRV records, falling back to A"); | |
| 337 | 223 end |
| 974 | 224 -- Try with SRV, or just the plain hostname if no SRV |
|
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225 local ok, err = try_connect(host_session, connect_host, connect_port); |
|
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226 if not ok then |
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227 if not attempt_connection(host_session, err) then |
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228 -- No more attempts will be made |
|
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229 destroy_session(host_session, err); |
|
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230 end |
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231 end |
| 974 | 232 end, "_xmpp-server._tcp."..connect_host..".", "SRV"); |
|
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233 |
|
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234 -- Set handler for DNS timeout |
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235 add_task(dns_timeout, function () |
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236 if handle then |
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237 adns.cancel(handle, true); |
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238 end |
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239 end); |
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240 |
|
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241 log("debug", "DNS lookup for %s sent, waiting for response before we can connect", to_host); |
| 974 | 242 return true; -- Attempt in progress |
|
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243 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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244 host_session.srv_choice = host_session.srv_choice + 1; |
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245 local srv_choice = host_session.srv_hosts[host_session.srv_choice]; |
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246 connect_host, connect_port = srv_choice.target or to_host, srv_choice.port or connect_port; |
|
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247 host_session.log("info", "Connection failed (%s). Attempt #%d: This time to %s:%d", tostring(err), host_session.srv_choice, connect_host, connect_port); |
|
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248 else |
|
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249 host_session.log("info", "Out of connection options, can't connect to %s", tostring(host_session.to_host)); |
|
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250 -- We're out of options |
|
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251 return false; |
|
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252 end |
|
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253 |
|
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254 if not (connect_host and connect_port) then |
|
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255 -- Likely we couldn't resolve DNS |
|
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256 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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257 return false; |
|
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258 end |
|
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259 |
| 974 | 260 return try_connect(host_session, connect_host, connect_port); |
| 261 end | |
| 262 | |
| 263 function try_connect(host_session, connect_host, connect_port) | |
|
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264 host_session.connecting = true; |
|
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265 local handle; |
|
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266 handle = adns.lookup(function (reply) |
|
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267 handle = nil; |
|
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268 host_session.connecting = nil; |
|
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|
269 |
|
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270 -- COMPAT: This is a compromise for all you CNAME-(ab)users :) |
|
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271 if not (reply and reply[#reply] and reply[#reply].a) then |
|
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272 local count = max_dns_depth; |
|
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273 reply = dns.peek(connect_host, "CNAME", "IN"); |
|
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274 while count > 0 and reply and reply[#reply] and not reply[#reply].a and reply[#reply].cname do |
|
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275 log("debug", "Looking up %s (DNS depth is %d)", tostring(reply[#reply].cname), count); |
|
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276 reply = dns.peek(reply[#reply].cname, "A", "IN") or dns.peek(reply[#reply].cname, "CNAME", "IN"); |
|
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277 count = count - 1; |
|
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278 end |
|
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279 end |
|
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280 -- end of CNAME resolving |
|
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281 |
|
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282 if reply and reply[#reply] and reply[#reply].a then |
|
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283 log("debug", "DNS reply for %s gives us %s", connect_host, reply[#reply].a); |
|
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284 return make_connect(host_session, reply[#reply].a, connect_port); |
|
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285 else |
|
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286 log("debug", "DNS lookup failed to get a response for %s", connect_host); |
|
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287 if not attempt_connection(host_session, "name resolution failed") then -- Retry if we can |
|
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288 log("debug", "No other records to try for %s - destroying", host_session.to_host); |
|
2382
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289 destroy_session(host_session, "DNS resolution failed"); -- End of the line, we can't |
|
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290 end |
|
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291 end |
|
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292 end, connect_host, "A", "IN"); |
|
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293 |
|
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294 -- Set handler for DNS timeout |
|
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295 add_task(dns_timeout, function () |
|
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|
296 if handle then |
|
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297 adns.cancel(handle, true); |
|
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298 end |
|
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299 end); |
|
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300 |
|
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301 return true; |
|
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302 end |
|
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303 |
|
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|
304 function make_connect(host_session, connect_host, connect_port) |
|
1075
831c84cbf5fa
s2smanager: Miscellaneous logging improvements, changing levels, improving messages and using session loggers where possible
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diff
changeset
|
305 host_session.log("info", "Beginning new connection attempt to %s (%s:%d)", host_session.to_host, connect_host, connect_port); |
|
434
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diff
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|
306 -- Ok, we're going to try to connect |
| 974 | 307 |
| 308 local from_host, to_host = host_session.from_host, host_session.to_host; | |
| 309 | |
| 310 local conn, handler = socket.tcp() | |
| 311 | |
|
434
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diff
changeset
|
312 conn:settimeout(0); |
|
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diff
changeset
|
313 local success, err = conn:connect(connect_host, connect_port); |
|
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diff
changeset
|
314 if not success and err ~= "timeout" then |
|
1468
83b297a412a2
s2smanager: Log the hostname and address when s2s connection fails instantly
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1450
diff
changeset
|
315 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
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diff
changeset
|
316 return false, err; |
|
434
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diff
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|
317 end |
|
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diff
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|
318 |
|
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diff
changeset
|
319 local cl = connlisteners_get("xmppserver"); |
|
739
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Port to new server.lua, quite some changes, but I believe everything to be working
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631
diff
changeset
|
320 conn = wrapclient(conn, connect_host, connect_port, cl, cl.default_mode or 1, hosts[from_host].ssl_ctx, false ); |
|
434
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diff
changeset
|
321 host_session.conn = conn; |
|
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diff
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|
322 |
|
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diff
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|
323 -- Register this outgoing connection so that xmppserver_listener knows about it |
|
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diff
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|
324 -- otherwise it will assume it is a new incoming connection |
|
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diff
changeset
|
325 cl.register_outgoing(conn, host_session); |
|
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diff
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|
326 |
|
2019
c712ea57b877
s2smanager: Use session-specific logger to log outgoing data on outgoing s2s connections
Matthew Wild <mwild1@gmail.com>
parents:
1976
diff
changeset
|
327 local w, log = conn.write, host_session.log; |
| 2133 | 328 host_session.sends2s = function (t) log("debug", "sending: %s", (t.top_tag and t:top_tag()) or t:match("^[^>]*>?")); w(conn, tostring(t)); end |
|
434
0d7ba3742f7a
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diff
changeset
|
329 |
|
2426
4cef9808662a
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2422
diff
changeset
|
330 host_session:open_stream(); |
|
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diff
changeset
|
331 |
| 974 | 332 log("debug", "Connection attempt in progress..."); |
|
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1793
diff
changeset
|
333 add_task(connect_timeout, function () |
|
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diff
changeset
|
334 if host_session.conn ~= conn or |
|
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diff
changeset
|
335 host_session.type == "s2sout" or |
|
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diff
changeset
|
336 host_session.connecting then |
|
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diff
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|
337 return; -- Ok, we're connect[ed|ing] |
|
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diff
changeset
|
338 end |
|
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|
339 -- Not connected, need to close session and clean up |
|
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diff
changeset
|
340 (host_session.log or log)("warn", "Destroying incomplete session %s->%s due to inactivity", |
|
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diff
changeset
|
341 host_session.from_host or "(unknown)", host_session.to_host or "(unknown)"); |
|
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diff
changeset
|
342 host_session:close("connection-timeout"); |
|
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|
343 end); |
|
434
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diff
changeset
|
344 return true; |
| 148 | 345 end |
| 346 | |
|
2426
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2422
diff
changeset
|
347 function session_open_stream(session, from, to) |
|
4cef9808662a
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diff
changeset
|
348 session.sends2s(st.stanza("stream:stream", { |
|
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diff
changeset
|
349 xmlns='jabber:server', ["xmlns:db"]='jabber:server:dialback', |
|
4cef9808662a
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diff
changeset
|
350 ["xmlns:stream"]='http://etherx.jabber.org/streams', |
|
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diff
changeset
|
351 from=from, to=to, version='1.0', ["xml:lang"]='en'}):top_tag()); |
|
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diff
changeset
|
352 end |
|
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2422
diff
changeset
|
353 |
| 148 | 354 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
|
355 local send = session.sends2s; |
| 148 | 356 |
|
544
efde848869c5
Don't send stream:features to incoming s2s connections
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diff
changeset
|
357 -- TODO: #29: SASL/TLS on s2s streams |
|
1894
53f34ba6f6d6
Minor changes; outgoing TLS works.
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1891
diff
changeset
|
358 session.version = tonumber(attr.version) or 0; |
|
544
efde848869c5
Don't send stream:features to incoming s2s connections
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543
diff
changeset
|
359 |
|
1909
84027581c995
s2smanager: Mark session as secure if it was negotiating TLS and opens a new stream
Matthew Wild <mwild1@gmail.com>
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1895
diff
changeset
|
360 if session.secure == false then |
|
84027581c995
s2smanager: Mark session as secure if it was negotiating TLS and opens a new stream
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1895
diff
changeset
|
361 session.secure = true; |
|
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1895
diff
changeset
|
362 end |
|
84027581c995
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1895
diff
changeset
|
363 |
| 148 | 364 if session.version >= 1.0 and not (attr.to and attr.from) then |
|
1928
d11f07ca0b75
s2smanager: Improve log message on missing to/from in stream header
Matthew Wild <mwild1@gmail.com>
parents:
1909
diff
changeset
|
365 (session.log or log)("warn", "Remote of stream "..(session.from_host or "(unknown)").."->"..(session.to_host or "(unknown)") |
|
d11f07ca0b75
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parents:
1909
diff
changeset
|
366 .." failed to specify to (%s) and/or from (%s) hostname as per RFC", tostring(attr.to), tostring(attr.from)); |
| 148 | 367 end |
| 368 | |
| 369 if session.direction == "incoming" then | |
| 370 -- Send a reply stream header | |
|
938
663f75dd7b42
Fixed: Some nil access bugs
Waqas Hussain <waqas20@gmail.com>
parents:
931
diff
changeset
|
371 session.to_host = attr.to and nameprep(attr.to); |
|
663f75dd7b42
Fixed: Some nil access bugs
Waqas Hussain <waqas20@gmail.com>
parents:
931
diff
changeset
|
372 session.from_host = attr.from and nameprep(attr.from); |
| 148 | 373 |
| 374 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
|
375 (session.log or log)("debug", "incoming s2s received <stream:stream>"); |
| 331 | 376 if session.to_host and not hosts[session.to_host] then |
| 377 -- Attempting to connect to a host we don't serve | |
|
434
0d7ba3742f7a
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360
diff
changeset
|
378 session:close({ condition = "host-unknown"; text = "This host does not serve "..session.to_host }); |
| 331 | 379 return; |
| 380 end | |
|
2380
1c7839fbbe9d
s2smanager: Send reply stream header only after checking we serve this host (sorry darkrain... :) )
Matthew Wild <mwild1@gmail.com>
parents:
2379
diff
changeset
|
381 send("<?xml version='1.0'?>"); |
|
2419
00d985639a06
s2smanager: Trim trailing whitespace
Matthew Wild <mwild1@gmail.com>
parents:
2382
diff
changeset
|
382 send(stanza("stream:stream", { xmlns='jabber:server', ["xmlns:db"]='jabber:server:dialback', |
|
2421
83773aed9437
s2smanager: Stamp a 'to' on the reply stream:stream. This makes prosody happy.
Paul Aurich <paul@darkrain42.org>
parents:
2420
diff
changeset
|
383 ["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()); |
|
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384 if session.version >= 1.0 then |
|
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|
385 local features = st.stanza("stream:features"); |
|
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s2smanager: Send reply stream header only after checking we serve this host (sorry darkrain... :) )
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386 |
|
1936
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387 if session.to_host then |
|
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388 hosts[session.to_host].events.fire_event("s2s-stream-features", { session = session, features = features }); |
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389 else |
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390 (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"); |
|
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391 end |
|
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392 |
|
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393 log("debug", "Sending stream features: %s", tostring(features)); |
|
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394 send(features); |
|
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395 end |
| 148 | 396 elseif session.direction == "outgoing" then |
| 397 -- If we are just using the connection for verifying dialback keys, we won't try and auth it | |
|
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398 if not attr.id then error("stream response did not give us a streamid!!!"); end |
|
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399 session.streamid = attr.id; |
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400 |
|
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|
401 -- Send unauthed buffer |
|
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diff
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402 -- (stanzas which are fine to send before dialback) |
|
2419
00d985639a06
s2smanager: Trim trailing whitespace
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2382
diff
changeset
|
403 -- Note that this is *not* the stanza queue (which |
|
1007
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diff
changeset
|
404 -- we can only send if auth succeeds) :) |
|
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diff
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|
405 local send_buffer = session.send_buffer; |
|
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406 if send_buffer and #send_buffer > 0 then |
|
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407 log("debug", "Sending s2s send_buffer now..."); |
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408 for i, data in ipairs(send_buffer) do |
|
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409 session.sends2s(tostring(data)); |
|
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410 send_buffer[i] = nil; |
|
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411 end |
|
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|
412 end |
|
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413 session.send_buffer = nil; |
|
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414 |
|
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415 -- If server is pre-1.0, don't wait for features, just do dialback |
|
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416 if session.version < 1.0 then |
|
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|
417 if not session.dialback_verifying then |
|
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Minor changes; outgoing TLS works.
Paul Aurich <paul@darkrain42.org>
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diff
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|
418 log("debug", "Initiating dialback..."); |
|
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419 initiate_dialback(session); |
|
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420 else |
|
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421 mark_connected(session); |
|
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422 end |
| 148 | 423 end |
| 424 end | |
|
2379
66ba153d3f09
Backed out changeset 78c5cb163ea9, to fix another way. Haven't done this for a while :)
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diff
changeset
|
425 session.notopen = nil; |
| 148 | 426 end |
| 427 | |
|
959
e3db909065f2
sessionmanager, s2smanager, mod_component: Send reply </stream:stream> when client closes stream
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diff
changeset
|
428 function streamclosed(session) |
|
1006
9166d7a8c3c0
core.s2smanager: Logging improvements
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diff
changeset
|
429 (session.log or log)("debug", "</stream:stream>"); |
|
1199
db2a55fe94f2
s2smanager: Only send reply </stream:stream> when connection is still open
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diff
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430 if session.sends2s then |
|
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s2smanager: Only send reply </stream:stream> when connection is still open
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431 session.sends2s("</stream:stream>"); |
|
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432 end |
|
959
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433 session.notopen = true; |
|
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434 end |
|
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sessionmanager, s2smanager, mod_component: Send reply </stream:stream> when client closes stream
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435 |
|
190
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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.
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diff
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436 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.
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diff
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437 -- generate dialback key |
|
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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.
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438 session.dialback_key = generate_dialback(session.streamid, session.to_host, session.from_host); |
|
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diff
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|
439 session.sends2s(format("<db:result from='%s' to='%s'>%s</db:result>", session.from_host, session.to_host, session.dialback_key)); |
|
1e993b7deae7
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diff
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|
440 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.
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parents:
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diff
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441 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.
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diff
changeset
|
442 |
| 148 | 443 function generate_dialback(id, to, from) |
|
2420
6ccd36a95a81
s2smanager, hostmanager: Make dialback secrets per-host
Matthew Wild <mwild1@gmail.com>
parents:
2419
diff
changeset
|
444 return sha256_hash(id..to..from..hosts[from].dialback_secret, true); |
| 148 | 445 end |
| 446 | |
| 447 function verify_dialback(id, to, from, key) | |
| 448 return key == generate_dialback(id, to, from); | |
| 449 end | |
| 450 | |
|
621
cd2cab5400fc
Add support for dialback piggy-backing. Fixes #37. Thanks to CShadowRun for helping me test :)
Matthew Wild <mwild1@gmail.com>
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diff
changeset
|
451 function make_authenticated(session, host) |
| 148 | 452 if session.type == "s2sout_unauthed" then |
| 453 session.type = "s2sout"; | |
| 454 elseif session.type == "s2sin_unauthed" then | |
| 455 session.type = "s2sin"; | |
|
621
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Add support for dialback piggy-backing. Fixes #37. Thanks to CShadowRun for helping me test :)
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diff
changeset
|
456 if host then |
|
cd2cab5400fc
Add support for dialback piggy-backing. Fixes #37. Thanks to CShadowRun for helping me test :)
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diff
changeset
|
457 session.hosts[host].authed = true; |
|
cd2cab5400fc
Add support for dialback piggy-backing. Fixes #37. Thanks to CShadowRun for helping me test :)
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parents:
615
diff
changeset
|
458 end |
|
cd2cab5400fc
Add support for dialback piggy-backing. Fixes #37. Thanks to CShadowRun for helping me test :)
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parents:
615
diff
changeset
|
459 elseif session.type == "s2sin" and host then |
|
cd2cab5400fc
Add support for dialback piggy-backing. Fixes #37. Thanks to CShadowRun for helping me test :)
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parents:
615
diff
changeset
|
460 session.hosts[host].authed = true; |
| 148 | 461 else |
| 462 return false; | |
| 463 end | |
|
1075
831c84cbf5fa
s2smanager: Miscellaneous logging improvements, changing levels, improving messages and using session loggers where possible
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parents:
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diff
changeset
|
464 session.log("debug", "connection %s->%s is now authenticated", session.from_host or "(unknown)", session.to_host or "(unknown)"); |
| 148 | 465 |
| 466 mark_connected(session); | |
| 467 | |
| 468 return true; | |
| 469 end | |
| 470 | |
| 1891 | 471 -- Stream is authorised, and ready for normal stanzas |
| 148 | 472 function mark_connected(session) |
|
186
bfa8a30ea488
sends2s -> s2s_session.send(), s2s_session.send() -> s2s_session.sends2s()
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diff
changeset
|
473 local sendq, send = session.sendq, session.sends2s; |
|
bfa8a30ea488
sends2s -> s2s_session.send(), s2s_session.send() -> s2s_session.sends2s()
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diff
changeset
|
474 |
|
bfa8a30ea488
sends2s -> s2s_session.send(), s2s_session.send() -> s2s_session.sends2s()
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diff
changeset
|
475 local from, to = session.from_host, session.to_host; |
|
bfa8a30ea488
sends2s -> s2s_session.send(), s2s_session.send() -> s2s_session.sends2s()
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diff
changeset
|
476 |
|
1075
831c84cbf5fa
s2smanager: Miscellaneous logging improvements, changing levels, improving messages and using session loggers where possible
Matthew Wild <mwild1@gmail.com>
parents:
1007
diff
changeset
|
477 session.log("info", session.direction.." s2s connection "..from.."->"..to.." complete"); |
|
186
bfa8a30ea488
sends2s -> s2s_session.send(), s2s_session.send() -> s2s_session.sends2s()
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diff
changeset
|
478 |
|
bfa8a30ea488
sends2s -> s2s_session.send(), s2s_session.send() -> s2s_session.sends2s()
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diff
changeset
|
479 local send_to_host = send_to_host; |
|
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.
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diff
changeset
|
480 function session.send(data) send_to_host(to, from, data); 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.
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parents:
186
diff
changeset
|
481 |
|
186
bfa8a30ea488
sends2s -> s2s_session.send(), s2s_session.send() -> s2s_session.sends2s()
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diff
changeset
|
482 |
|
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.
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parents:
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diff
changeset
|
483 if session.direction == "outgoing" then |
|
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.
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parents:
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diff
changeset
|
484 if sendq then |
|
269
3cfac0e5e6ca
Log how many queued stanzas we send
Waqas Hussain <waqas20@gmail.com>
parents:
266
diff
changeset
|
485 session.log("debug", "sending "..#sendq.." queued stanzas across new outgoing connection to "..session.to_host); |
|
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.
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parents:
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diff
changeset
|
486 for i, data in ipairs(sendq) do |
|
631
6957fe7b0313
Bounce stanza errors on failed s2s
Waqas Hussain <waqas20@gmail.com>
parents:
621
diff
changeset
|
487 send(data[1]); |
|
190
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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.
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diff
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488 sendq[i] = nil; |
|
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.
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489 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.
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diff
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|
490 session.sendq = nil; |
| 148 | 491 end |
|
1345
35b5686d73ea
s2smanager: Remove srv_hosts from session when connected, this fixes attempting to reconnect s2s sessions when they are closed during shutdown
Matthew Wild <mwild1@gmail.com>
parents:
1308
diff
changeset
|
492 |
|
35b5686d73ea
s2smanager: Remove srv_hosts from session when connected, this fixes attempting to reconnect s2s sessions when they are closed during shutdown
Matthew Wild <mwild1@gmail.com>
parents:
1308
diff
changeset
|
493 session.srv_hosts = nil; |
| 148 | 494 end |
| 495 end | |
| 496 | |
|
2368
4726cd9a6318
s2smanager: Have both destroy_session and bounce_sendq accept a reason string to include in bounced stanzas
Matthew Wild <mwild1@gmail.com>
parents:
2231
diff
changeset
|
497 function destroy_session(session, reason) |
|
169
92768120b717
Little tweak for more useful logging of closed s2s sessions
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parents:
167
diff
changeset
|
498 (session.log or log)("info", "Destroying "..tostring(session.direction).." session "..tostring(session.from_host).."->"..tostring(session.to_host)); |
| 331 | 499 |
|
164
8dc1faa5b1df
other half of previous commit
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diff
changeset
|
500 if session.direction == "outgoing" then |
|
260
182f0c895676
Now outgoing s2s sessions are associated with their from_host, fixes #15
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259
diff
changeset
|
501 hosts[session.from_host].s2sout[session.to_host] = nil; |
|
2368
4726cd9a6318
s2smanager: Have both destroy_session and bounce_sendq accept a reason string to include in bounced stanzas
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diff
changeset
|
502 bounce_sendq(session, reason); |
|
621
cd2cab5400fc
Add support for dialback piggy-backing. Fixes #37. Thanks to CShadowRun for helping me test :)
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diff
changeset
|
503 elseif session.direction == "incoming" then |
|
cd2cab5400fc
Add support for dialback piggy-backing. Fixes #37. Thanks to CShadowRun for helping me test :)
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parents:
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diff
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504 incoming_s2s[session] = nil; |
|
164
8dc1faa5b1df
other half of previous commit
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505 end |
| 331 | 506 |
|
164
8dc1faa5b1df
other half of previous commit
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diff
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507 for k in pairs(session) do |
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508 if k ~= "trace" then |
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509 session[k] = nil; |
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510 end |
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511 end |
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512 end |
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513 |
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Just committing this warning, because I want to know if the problem really affects us
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514 return _M; |
