Annotate

core/s2smanager.lua @ 1909:84027581c995

s2smanager: Mark session as secure if it was negotiating TLS and opens a new stream
author Matthew Wild <mwild1@gmail.com>
date Mon, 05 Oct 2009 14:50:27 +0100
parent 1895:b7c838a1b0ca
child 1928:d11f07ca0b75
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1 -- Prosody IM
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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 --
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b1885732e979 GPL->MIT!
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5 -- This project is MIT/X11 licensed. Please see the
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6 -- COPYING file in the source package for more information.
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7 --
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8
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9
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10
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11 local hosts = hosts;
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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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14 local add_task = require "util.timer".add_task;
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15 local socket = require "socket";
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16 local format = string.format;
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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;
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21
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22 local idna_to_ascii = require "util.encodings".idna.to_ascii;
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23 local connlisteners_get = require "net.connlisteners".get;
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24 local wrapclient = require "net.server".wrapclient;
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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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28 local nameprep = require "util.encodings".stringprep.nameprep;
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30 local fire_event = require "core.eventmanager".fire_event;
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31 local uuid_gen = require "util.uuid".generate;
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32
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33 local logger_init = require "util.logger".init;
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35 local log = logger_init("s2smanager");
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36
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37 local sha256_hash = require "util.hashes".sha256;
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39 local dialback_secret = uuid_gen();
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41 local adns, dns = require "net.adns", require "net.dns";
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43 local connect_timeout = config.get("*", "core", "s2s_timeout") or 60;
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44 local dns_timeout = config.get("*", "core", "dns_timeout") or 60;
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45 local max_dns_depth = config.get("*", "core", "dns_max_depth") or 3;
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47 incoming_s2s = {};
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48 local incoming_s2s = incoming_s2s;
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50 module "s2smanager"
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51
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52 local function compare_srv_priorities(a,b) return a.priority < b.priority or a.weight < b.weight; end
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53
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54 local function bounce_sendq(session)
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55 local sendq = session.sendq;
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56 if sendq then
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57 session.log("info", "sending error replies for "..#sendq.." queued stanzas because of failed outgoing connection to "..tostring(session.to_host));
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58 local dummy = {
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59 type = "s2sin";
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60 send = function(s)
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61 (session.log or log)("error", "Replying to to an s2s error reply, please report this! Traceback: %s", get_traceback());
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62 end;
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63 dummy = true;
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64 };
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65 for i, data in ipairs(sendq) do
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66 local reply = data[2];
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67 local xmlns = reply.attr.xmlns;
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68 if not xmlns or xmlns == "jabber:client" or xmlns == "jabber:server" then
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69 reply.attr.type = "error";
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70 reply:tag("error", {type = "cancel"})
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71 :tag("remote-server-not-found", {xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas"}):up();
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72 core_process_stanza(dummy, reply);
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73 end
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74 sendq[i] = nil;
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75 end
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76 session.sendq = nil;
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77 end
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78 end
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79
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80 function send_to_host(from_host, to_host, data)
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81 local host = hosts[from_host].s2sout[to_host];
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82 if host then
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83 -- We have a connection to this host already
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84 if host.type == "s2sout_unauthed" and data.name ~= "db:verify" and ((not data.xmlns) or data.xmlns == "jabber:client" or data.xmlns == "jabber:server") then
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85 (host.log or log)("debug", "trying to send over unauthed s2sout to "..to_host);
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86 if not host.notopen and not host.dialback_key and host.sends2s then
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87 host.log("debug", "dialback had not been initiated");
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88 initiate_dialback(host);
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89 end
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91 -- Queue stanza until we are able to send it
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92 if host.sendq then t_insert(host.sendq, {tostring(data), st.reply(data)});
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93 else host.sendq = { {tostring(data), st.reply(data)} }; end
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94 host.log("debug", "stanza [%s] queued ", data.name);
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95 elseif host.type == "local" or host.type == "component" then
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96 log("error", "Trying to send a stanza to ourselves??")
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97 log("error", "Traceback: %s", get_traceback());
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98 log("error", "Stanza: %s", tostring(data));
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99 else
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100 (host.log or log)("debug", "going to send stanza to "..to_host.." from "..from_host);
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bbbd169b326b Just committing this warning, because I want to know if the problem really affects us
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101 -- FIXME
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102 if host.from_host ~= from_host then
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103 log("error", "WARNING! This might, possibly, be a bug, but it might not...");
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104 log("error", "We are going to send from %s instead of %s", tostring(host.from_host), tostring(from_host));
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105 end
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106 host.sends2s(data);
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107 host.log("debug", "stanza sent over "..host.type);
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108 end
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109 else
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110 log("debug", "opening a new outgoing connection for this stanza");
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111 local host_session = new_outgoing(from_host, to_host);
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112 -- Store in buffer
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113 host_session.sendq = { {tostring(data), st.reply(data)} };
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114 log("debug", "stanza [%s] queued until connection complete", tostring(data.name));
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115 if (not host_session.connecting) and (not host_session.conn) then
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116 log("warn", "Connection to %s failed already, destroying session...", to_host);
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117 destroy_session(host_session);
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118 end
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119 end
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120 end
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121
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122 local open_sessions = 0;
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123
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124 function new_incoming(conn)
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125 local session = { conn = conn, type = "s2sin_unauthed", direction = "incoming", hosts = {} };
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126 if true then
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
127 session.trace = newproxy(true);
583
5821eaa80baa Remove print()s from sessionmanager and s2smanager
Matthew Wild <mwild1@gmail.com>
parents: 559
diff changeset
128 getmetatable(session.trace).__gc = function () open_sessions = open_sessions - 1; end;
148
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
129 end
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
130 open_sessions = open_sessions + 1;
343
cae2178b5623 Log sent s2s stanzas
Matthew Wild <mwild1@gmail.com>
parents: 337
diff changeset
131 local w, log = conn.write, logger_init("s2sin"..tostring(conn):match("[a-f0-9]+$"));
1686
232c2bf155c7 core.s2smanager, xmppserver_listener: Move the responsibility of setting session.log from the latter to the former for incoming sessions (outgoing are already like this)
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
132 session.log = log;
343
cae2178b5623 Log sent s2s stanzas
Matthew Wild <mwild1@gmail.com>
parents: 337
diff changeset
133 session.sends2s = function (t) log("debug", "sending: %s", tostring(t)); w(tostring(t)); end
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
134 incoming_s2s[session] = true;
1796
5f7b2f940816 s2smanager: Timeout unauthed s2s connections
Matthew Wild <mwild1@gmail.com>
parents: 1793
diff changeset
135 add_task(connect_timeout, function ()
5f7b2f940816 s2smanager: Timeout unauthed s2s connections
Matthew Wild <mwild1@gmail.com>
parents: 1793
diff changeset
136 if session.conn ~= conn or
5f7b2f940816 s2smanager: Timeout unauthed s2s connections
Matthew Wild <mwild1@gmail.com>
parents: 1793
diff changeset
137 session.type == "s2sin" then
5f7b2f940816 s2smanager: Timeout unauthed s2s connections
Matthew Wild <mwild1@gmail.com>
parents: 1793
diff changeset
138 return; -- Ok, we're connect[ed|ing]
5f7b2f940816 s2smanager: Timeout unauthed s2s connections
Matthew Wild <mwild1@gmail.com>
parents: 1793
diff changeset
139 end
5f7b2f940816 s2smanager: Timeout unauthed s2s connections
Matthew Wild <mwild1@gmail.com>
parents: 1793
diff changeset
140 -- Not connected, need to close session and clean up
5f7b2f940816 s2smanager: Timeout unauthed s2s connections
Matthew Wild <mwild1@gmail.com>
parents: 1793
diff changeset
141 (session.log or log)("warn", "Destroying incomplete session %s->%s due to inactivity",
5f7b2f940816 s2smanager: Timeout unauthed s2s connections
Matthew Wild <mwild1@gmail.com>
parents: 1793
diff changeset
142 session.from_host or "(unknown)", session.to_host or "(unknown)");
5f7b2f940816 s2smanager: Timeout unauthed s2s connections
Matthew Wild <mwild1@gmail.com>
parents: 1793
diff changeset
143 session:close("connection-timeout");
5f7b2f940816 s2smanager: Timeout unauthed s2s connections
Matthew Wild <mwild1@gmail.com>
parents: 1793
diff changeset
144 end);
148
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
145 return session;
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
146 end
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
147
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
148 function new_outgoing(from_host, to_host)
1888
562635baad36 s2smanager: Give outgoing sessions a host field (the local one)
Matthew Wild <mwild1@gmail.com>
parents: 1836
diff changeset
149 local host_session = { to_host = to_host, from_host = from_host, host = from_host,
562635baad36 s2smanager: Give outgoing sessions a host field (the local one)
Matthew Wild <mwild1@gmail.com>
parents: 1836
diff changeset
150 notopen = true, type = "s2sout_unauthed", direction = "outgoing" };
562635baad36 s2smanager: Give outgoing sessions a host field (the local one)
Matthew Wild <mwild1@gmail.com>
parents: 1836
diff changeset
151
260
182f0c895676 Now outgoing s2s sessions are associated with their from_host, fixes #15
Matthew Wild <mwild1@gmail.com>
parents: 259
diff changeset
152 hosts[from_host].s2sout[to_host] = host_session;
148
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
153
434
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
154 local log;
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
155 do
543
cf6e19ea1cbc Fix logger ids for c2s and s2sout
Matthew Wild <mwild1@gmail.com>
parents: 519
diff changeset
156 local conn_name = "s2sout"..tostring(host_session):match("[a-f0-9]*$");
434
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
157 log = logger_init(conn_name);
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
158 host_session.log = log;
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
159 end
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
160
1492
aaeccebad0f3 s2smanager: Fix to correctly bounce stanzas if first connection attempt fails instantly
Matthew Wild <mwild1@gmail.com>
parents: 1468
diff changeset
161 -- This is the first call, can't fail (the first step is DNS lookup)
434
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
162 attempt_connection(host_session);
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
163
1007
c500d4cb7855 core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents: 1006
diff changeset
164 if not host_session.sends2s then
c500d4cb7855 core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents: 1006
diff changeset
165 -- A sends2s which buffers data (until the stream is opened)
c500d4cb7855 core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents: 1006
diff changeset
166 -- note that data in this buffer will be sent before the stream is authed
c500d4cb7855 core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents: 1006
diff changeset
167 -- and will not be ack'd in any way, successful or otherwise
c500d4cb7855 core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents: 1006
diff changeset
168 local buffer;
c500d4cb7855 core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents: 1006
diff changeset
169 function host_session.sends2s(data)
c500d4cb7855 core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents: 1006
diff changeset
170 if not buffer then
c500d4cb7855 core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents: 1006
diff changeset
171 buffer = {};
c500d4cb7855 core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents: 1006
diff changeset
172 host_session.send_buffer = buffer;
c500d4cb7855 core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents: 1006
diff changeset
173 end
c500d4cb7855 core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents: 1006
diff changeset
174 log("debug", "Buffering data on unconnected s2sout to %s", to_host);
c500d4cb7855 core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents: 1006
diff changeset
175 buffer[#buffer+1] = data;
c500d4cb7855 core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents: 1006
diff changeset
176 log("debug", "Buffered item %d: %s", #buffer, tostring(data));
c500d4cb7855 core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents: 1006
diff changeset
177 end
c500d4cb7855 core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents: 1006
diff changeset
178
c500d4cb7855 core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents: 1006
diff changeset
179 end
c500d4cb7855 core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents: 1006
diff changeset
180
434
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
181 return host_session;
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
182 end
353
e7d776b5ebb9 Remove an old FIXME comment
Matthew Wild <mwild1@gmail.com>
parents: 351
diff changeset
183
434
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
184
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
185 function attempt_connection(host_session, err)
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
186 local from_host, to_host = host_session.from_host, host_session.to_host;
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
187 local connect_host, connect_port = idna_to_ascii(to_host), 5269;
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
188
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
189 if not err then -- This is our first attempt
1006
9166d7a8c3c0 core.s2smanager: Logging improvements
Matthew Wild <mwild1@gmail.com>
parents: 995
diff changeset
190 log("debug", "First attempt to connect to %s, starting with SRV lookup...", to_host);
974
Matthew Wild <mwild1@gmail.com>
parents: 963
diff changeset
191 host_session.connecting = true;
1791
42d0b68a1efd s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
192 local handle;
1204
dea89234e545 s2smanager: Timeout DNS requests after 60 seconds (or dns_timeout in config)
Matthew Wild <mwild1@gmail.com>
parents: 1199
diff changeset
193 handle = adns.lookup(function (answer)
dea89234e545 s2smanager: Timeout DNS requests after 60 seconds (or dns_timeout in config)
Matthew Wild <mwild1@gmail.com>
parents: 1199
diff changeset
194 handle = nil;
974
Matthew Wild <mwild1@gmail.com>
parents: 963
diff changeset
195 host_session.connecting = nil;
Matthew Wild <mwild1@gmail.com>
parents: 963
diff changeset
196 if answer then
Matthew Wild <mwild1@gmail.com>
parents: 963
diff changeset
197 log("debug", to_host.." has SRV records, handling...");
Matthew Wild <mwild1@gmail.com>
parents: 963
diff changeset
198 local srv_hosts = {};
Matthew Wild <mwild1@gmail.com>
parents: 963
diff changeset
199 host_session.srv_hosts = srv_hosts;
Matthew Wild <mwild1@gmail.com>
parents: 963
diff changeset
200 for _, record in ipairs(answer) do
Matthew Wild <mwild1@gmail.com>
parents: 963
diff changeset
201 t_insert(srv_hosts, record.srv);
Matthew Wild <mwild1@gmail.com>
parents: 963
diff changeset
202 end
Matthew Wild <mwild1@gmail.com>
parents: 963
diff changeset
203 t_sort(srv_hosts, compare_srv_priorities);
Matthew Wild <mwild1@gmail.com>
parents: 963
diff changeset
204
Matthew Wild <mwild1@gmail.com>
parents: 963
diff changeset
205 local srv_choice = srv_hosts[1];
Matthew Wild <mwild1@gmail.com>
parents: 963
diff changeset
206 host_session.srv_choice = 1;
Matthew Wild <mwild1@gmail.com>
parents: 963
diff changeset
207 if srv_choice then
Matthew Wild <mwild1@gmail.com>
parents: 963
diff changeset
208 connect_host, connect_port = srv_choice.target or to_host, srv_choice.port or connect_port;
Matthew Wild <mwild1@gmail.com>
parents: 963
diff changeset
209 log("debug", "Best record found, will connect to %s:%d", connect_host, connect_port);
Matthew Wild <mwild1@gmail.com>
parents: 963
diff changeset
210 end
Matthew Wild <mwild1@gmail.com>
parents: 963
diff changeset
211 else
Matthew Wild <mwild1@gmail.com>
parents: 963
diff changeset
212 log("debug", to_host.." has no SRV records, falling back to A");
337
4a1dd1c2c219 We have SRV resolving \o/
Matthew Wild <mwild1@gmail.com>
parents: 333
diff changeset
213 end
974
Matthew Wild <mwild1@gmail.com>
parents: 963
diff changeset
214 -- Try with SRV, or just the plain hostname if no SRV
1492
aaeccebad0f3 s2smanager: Fix to correctly bounce stanzas if first connection attempt fails instantly
Matthew Wild <mwild1@gmail.com>
parents: 1468
diff changeset
215 local ok, err = try_connect(host_session, connect_host, connect_port);
aaeccebad0f3 s2smanager: Fix to correctly bounce stanzas if first connection attempt fails instantly
Matthew Wild <mwild1@gmail.com>
parents: 1468
diff changeset
216 if not ok then
aaeccebad0f3 s2smanager: Fix to correctly bounce stanzas if first connection attempt fails instantly
Matthew Wild <mwild1@gmail.com>
parents: 1468
diff changeset
217 if not attempt_connection(host_session, err) then
aaeccebad0f3 s2smanager: Fix to correctly bounce stanzas if first connection attempt fails instantly
Matthew Wild <mwild1@gmail.com>
parents: 1468
diff changeset
218 -- No more attempts will be made
aaeccebad0f3 s2smanager: Fix to correctly bounce stanzas if first connection attempt fails instantly
Matthew Wild <mwild1@gmail.com>
parents: 1468
diff changeset
219 destroy_session(host_session);
aaeccebad0f3 s2smanager: Fix to correctly bounce stanzas if first connection attempt fails instantly
Matthew Wild <mwild1@gmail.com>
parents: 1468
diff changeset
220 end
aaeccebad0f3 s2smanager: Fix to correctly bounce stanzas if first connection attempt fails instantly
Matthew Wild <mwild1@gmail.com>
parents: 1468
diff changeset
221 end
974
Matthew Wild <mwild1@gmail.com>
parents: 963
diff changeset
222 end, "_xmpp-server._tcp."..connect_host..".", "SRV");
1204
dea89234e545 s2smanager: Timeout DNS requests after 60 seconds (or dns_timeout in config)
Matthew Wild <mwild1@gmail.com>
parents: 1199
diff changeset
223
dea89234e545 s2smanager: Timeout DNS requests after 60 seconds (or dns_timeout in config)
Matthew Wild <mwild1@gmail.com>
parents: 1199
diff changeset
224 -- Set handler for DNS timeout
dea89234e545 s2smanager: Timeout DNS requests after 60 seconds (or dns_timeout in config)
Matthew Wild <mwild1@gmail.com>
parents: 1199
diff changeset
225 add_task(dns_timeout, function ()
dea89234e545 s2smanager: Timeout DNS requests after 60 seconds (or dns_timeout in config)
Matthew Wild <mwild1@gmail.com>
parents: 1199
diff changeset
226 if handle then
dea89234e545 s2smanager: Timeout DNS requests after 60 seconds (or dns_timeout in config)
Matthew Wild <mwild1@gmail.com>
parents: 1199
diff changeset
227 adns.cancel(handle, true);
dea89234e545 s2smanager: Timeout DNS requests after 60 seconds (or dns_timeout in config)
Matthew Wild <mwild1@gmail.com>
parents: 1199
diff changeset
228 end
dea89234e545 s2smanager: Timeout DNS requests after 60 seconds (or dns_timeout in config)
Matthew Wild <mwild1@gmail.com>
parents: 1199
diff changeset
229 end);
dea89234e545 s2smanager: Timeout DNS requests after 60 seconds (or dns_timeout in config)
Matthew Wild <mwild1@gmail.com>
parents: 1199
diff changeset
230
1006
9166d7a8c3c0 core.s2smanager: Logging improvements
Matthew Wild <mwild1@gmail.com>
parents: 995
diff changeset
231 log("debug", "DNS lookup for %s sent, waiting for response before we can connect", to_host);
974
Matthew Wild <mwild1@gmail.com>
parents: 963
diff changeset
232 return true; -- Attempt in progress
434
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
233 elseif host_session.srv_hosts and #host_session.srv_hosts > host_session.srv_choice then -- Not our first attempt, and we also have SRV
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
234 host_session.srv_choice = host_session.srv_choice + 1;
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
235 local srv_choice = host_session.srv_hosts[host_session.srv_choice];
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
236 connect_host, connect_port = srv_choice.target or to_host, srv_choice.port or connect_port;
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
237 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
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
238 else
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
239 host_session.log("info", "Out of connection options, can't connect to %s", tostring(host_session.to_host));
434
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
240 -- We're out of options
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
241 return false;
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
242 end
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
243
960
6bc16062da6c core.s2smanager: Check for valid host and port before attempting connection
Matthew Wild <mwild1@gmail.com>
parents: 959
diff changeset
244 if not (connect_host and connect_port) then
6bc16062da6c core.s2smanager: Check for valid host and port before attempting connection
Matthew Wild <mwild1@gmail.com>
parents: 959
diff changeset
245 -- Likely we couldn't resolve DNS
1006
9166d7a8c3c0 core.s2smanager: Logging improvements
Matthew Wild <mwild1@gmail.com>
parents: 995
diff changeset
246 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));
960
6bc16062da6c core.s2smanager: Check for valid host and port before attempting connection
Matthew Wild <mwild1@gmail.com>
parents: 959
diff changeset
247 return false;
6bc16062da6c core.s2smanager: Check for valid host and port before attempting connection
Matthew Wild <mwild1@gmail.com>
parents: 959
diff changeset
248 end
6bc16062da6c core.s2smanager: Check for valid host and port before attempting connection
Matthew Wild <mwild1@gmail.com>
parents: 959
diff changeset
249
974
Matthew Wild <mwild1@gmail.com>
parents: 963
diff changeset
250 return try_connect(host_session, connect_host, connect_port);
Matthew Wild <mwild1@gmail.com>
parents: 963
diff changeset
251 end
Matthew Wild <mwild1@gmail.com>
parents: 963
diff changeset
252
Matthew Wild <mwild1@gmail.com>
parents: 963
diff changeset
253 function try_connect(host_session, connect_host, connect_port)
1791
42d0b68a1efd s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
254 host_session.connecting = true;
42d0b68a1efd s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
255 local handle;
42d0b68a1efd s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
256 handle = adns.lookup(function (reply)
42d0b68a1efd s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
257 handle = nil;
42d0b68a1efd s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
258 host_session.connecting = nil;
1793
1fc6c2822e6b s2smanager: Compatibility with domains which use CNAMEs
Matthew Wild <mwild1@gmail.com>
parents: 1791
diff changeset
259
1fc6c2822e6b s2smanager: Compatibility with domains which use CNAMEs
Matthew Wild <mwild1@gmail.com>
parents: 1791
diff changeset
260 -- COMPAT: This is a compromise for all you CNAME-(ab)users :)
1828
48cb27e2716e core.s2smanager: Always use last record in the DNS cache
Matthew Wild <mwild1@gmail.com>
parents: 1805
diff changeset
261 if not (reply and reply[#reply] and reply[#reply].a) then
1805
7e41ad68fe3c core.s2smanager: Don't recurse CNAMEs infinitely :)
Matthew Wild <mwild1@gmail.com>
parents: 1796
diff changeset
262 local count = max_dns_depth;
1793
1fc6c2822e6b s2smanager: Compatibility with domains which use CNAMEs
Matthew Wild <mwild1@gmail.com>
parents: 1791
diff changeset
263 reply = dns.peek(connect_host, "CNAME", "IN");
1828
48cb27e2716e core.s2smanager: Always use last record in the DNS cache
Matthew Wild <mwild1@gmail.com>
parents: 1805
diff changeset
264 while count > 0 and reply and reply[#reply] and not reply[#reply].a and reply[#reply].cname do
48cb27e2716e core.s2smanager: Always use last record in the DNS cache
Matthew Wild <mwild1@gmail.com>
parents: 1805
diff changeset
265 log("debug", "Looking up %s (DNS depth is %d)", tostring(reply[#reply].cname), count);
48cb27e2716e core.s2smanager: Always use last record in the DNS cache
Matthew Wild <mwild1@gmail.com>
parents: 1805
diff changeset
266 reply = dns.peek(reply[#reply].cname, "A", "IN") or dns.peek(reply[#reply].cname, "CNAME", "IN");
1805
7e41ad68fe3c core.s2smanager: Don't recurse CNAMEs infinitely :)
Matthew Wild <mwild1@gmail.com>
parents: 1796
diff changeset
267 count = count - 1;
1793
1fc6c2822e6b s2smanager: Compatibility with domains which use CNAMEs
Matthew Wild <mwild1@gmail.com>
parents: 1791
diff changeset
268 end
1fc6c2822e6b s2smanager: Compatibility with domains which use CNAMEs
Matthew Wild <mwild1@gmail.com>
parents: 1791
diff changeset
269 end
1fc6c2822e6b s2smanager: Compatibility with domains which use CNAMEs
Matthew Wild <mwild1@gmail.com>
parents: 1791
diff changeset
270 -- end of CNAME resolving
1fc6c2822e6b s2smanager: Compatibility with domains which use CNAMEs
Matthew Wild <mwild1@gmail.com>
parents: 1791
diff changeset
271
1828
48cb27e2716e core.s2smanager: Always use last record in the DNS cache
Matthew Wild <mwild1@gmail.com>
parents: 1805
diff changeset
272 if reply and reply[#reply] and reply[#reply].a then
48cb27e2716e core.s2smanager: Always use last record in the DNS cache
Matthew Wild <mwild1@gmail.com>
parents: 1805
diff changeset
273 log("debug", "DNS reply for %s gives us %s", connect_host, reply[#reply].a);
48cb27e2716e core.s2smanager: Always use last record in the DNS cache
Matthew Wild <mwild1@gmail.com>
parents: 1805
diff changeset
274 return make_connect(host_session, reply[#reply].a, connect_port);
1791
42d0b68a1efd s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
275 else
42d0b68a1efd s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
276 log("debug", "DNS lookup failed to get a response for %s", connect_host);
42d0b68a1efd s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
277 if not attempt_connection(host_session, "name resolution failed") then -- Retry if we can
42d0b68a1efd s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
278 log("debug", "No other records to try for %s - destroying", host_session.to_host);
42d0b68a1efd s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
279 destroy_session(host_session); -- End of the line, we can't
42d0b68a1efd s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
280 end
42d0b68a1efd s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
281 end
42d0b68a1efd s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
282 end, connect_host, "A", "IN");
42d0b68a1efd s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
283
42d0b68a1efd s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
284 -- Set handler for DNS timeout
42d0b68a1efd s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
285 add_task(dns_timeout, function ()
42d0b68a1efd s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
286 if handle then
42d0b68a1efd s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
287 adns.cancel(handle, true);
42d0b68a1efd s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
288 end
42d0b68a1efd s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
289 end);
42d0b68a1efd s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
290
42d0b68a1efd s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
291 return true;
42d0b68a1efd s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
292 end
42d0b68a1efd s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
293
42d0b68a1efd s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
294 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
Matthew Wild <mwild1@gmail.com>
parents: 1007
diff changeset
295 host_session.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
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
296 -- Ok, we're going to try to connect
974
Matthew Wild <mwild1@gmail.com>
parents: 963
diff changeset
297
Matthew Wild <mwild1@gmail.com>
parents: 963
diff changeset
298 local from_host, to_host = host_session.from_host, host_session.to_host;
Matthew Wild <mwild1@gmail.com>
parents: 963
diff changeset
299
Matthew Wild <mwild1@gmail.com>
parents: 963
diff changeset
300 local conn, handler = socket.tcp()
Matthew Wild <mwild1@gmail.com>
parents: 963
diff changeset
301
434
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
302 conn:settimeout(0);
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
303 local success, err = conn:connect(connect_host, connect_port);
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
304 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
305 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
306 return false, err;
434
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
307 end
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
308
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
309 local cl = connlisteners_get("xmppserver");
739
1def06cd9311 Port to new server.lua, quite some changes, but I believe everything to be working
Matthew Wild <mwild1@gmail.com>
parents: 631
diff changeset
310 conn = wrapclient(conn, connect_host, connect_port, cl, cl.default_mode or 1, hosts[from_host].ssl_ctx, false );
434
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
311 host_session.conn = conn;
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
312
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
313 -- Register this outgoing connection so that xmppserver_listener knows about it
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
314 -- otherwise it will assume it is a new incoming connection
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
315 cl.register_outgoing(conn, host_session);
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
316
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
317 local w = conn.write;
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
318 host_session.sends2s = function (t) log("debug", "sending: %s", tostring(t)); w(tostring(t)); end
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
319
1450
c1c7b27b983b Send xml:lang in stream headers, fixes #78
Matthew Wild <mwild1@gmail.com>
parents: 1345
diff changeset
320 conn.write(format([[<stream:stream xmlns='jabber:server' xmlns:db='jabber:server:dialback' xmlns:stream='http://etherx.jabber.org/streams' from='%s' to='%s' version='1.0' xml:lang='en'>]], from_host, to_host));
974
Matthew Wild <mwild1@gmail.com>
parents: 963
diff changeset
321 log("debug", "Connection attempt in progress...");
1796
5f7b2f940816 s2smanager: Timeout unauthed s2s connections
Matthew Wild <mwild1@gmail.com>
parents: 1793
diff changeset
322 add_task(connect_timeout, function ()
5f7b2f940816 s2smanager: Timeout unauthed s2s connections
Matthew Wild <mwild1@gmail.com>
parents: 1793
diff changeset
323 if host_session.conn ~= conn or
5f7b2f940816 s2smanager: Timeout unauthed s2s connections
Matthew Wild <mwild1@gmail.com>
parents: 1793
diff changeset
324 host_session.type == "s2sout" or
5f7b2f940816 s2smanager: Timeout unauthed s2s connections
Matthew Wild <mwild1@gmail.com>
parents: 1793
diff changeset
325 host_session.connecting then
5f7b2f940816 s2smanager: Timeout unauthed s2s connections
Matthew Wild <mwild1@gmail.com>
parents: 1793
diff changeset
326 return; -- Ok, we're connect[ed|ing]
5f7b2f940816 s2smanager: Timeout unauthed s2s connections
Matthew Wild <mwild1@gmail.com>
parents: 1793
diff changeset
327 end
5f7b2f940816 s2smanager: Timeout unauthed s2s connections
Matthew Wild <mwild1@gmail.com>
parents: 1793
diff changeset
328 -- Not connected, need to close session and clean up
5f7b2f940816 s2smanager: Timeout unauthed s2s connections
Matthew Wild <mwild1@gmail.com>
parents: 1793
diff changeset
329 (host_session.log or log)("warn", "Destroying incomplete session %s->%s due to inactivity",
5f7b2f940816 s2smanager: Timeout unauthed s2s connections
Matthew Wild <mwild1@gmail.com>
parents: 1793
diff changeset
330 host_session.from_host or "(unknown)", host_session.to_host or "(unknown)");
5f7b2f940816 s2smanager: Timeout unauthed s2s connections
Matthew Wild <mwild1@gmail.com>
parents: 1793
diff changeset
331 host_session:close("connection-timeout");
5f7b2f940816 s2smanager: Timeout unauthed s2s connections
Matthew Wild <mwild1@gmail.com>
parents: 1793
diff changeset
332 end);
434
0d7ba3742f7a (Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents: 360
diff changeset
333 return true;
148
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
334 end
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
335
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
336 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
337 local send = session.sends2s;
148
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
338
544
efde848869c5 Don't send stream:features to incoming s2s connections
Matthew Wild <mwild1@gmail.com>
parents: 543
diff changeset
339 -- TODO: #29: SASL/TLS on s2s streams
1894
53f34ba6f6d6 Minor changes; outgoing TLS works.
Paul Aurich <paul@darkrain42.org>
parents: 1891
diff changeset
340 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
341
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
342 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
343 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: 1895
diff changeset
344 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
345
148
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
346 if session.version >= 1.0 and not (attr.to and attr.from) then
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
347 log("warn", (session.to_host or "(unknown)").." failed to specify 'to' or 'from' hostname as per RFC");
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
348 end
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
349
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
350 if session.direction == "incoming" then
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
351 -- Send a reply stream header
938
663f75dd7b42 Fixed: Some nil access bugs
Waqas Hussain <waqas20@gmail.com>
parents: 931
diff changeset
352 session.to_host = attr.to and nameprep(attr.to);
663f75dd7b42 Fixed: Some nil access bugs
Waqas Hussain <waqas20@gmail.com>
parents: 931
diff changeset
353 session.from_host = attr.from and nameprep(attr.from);
148
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
354
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
355 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
356 (session.log or log)("debug", "incoming s2s received <stream:stream>");
148
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
357 send("<?xml version='1.0'?>");
852
3c2d99ba1dc2 core.s2smanager: Remove some old commented code, break a long line in 2
Matthew Wild <mwild1@gmail.com>
parents: 760
diff changeset
358 send(stanza("stream:stream", { xmlns='jabber:server', ["xmlns:db"]='jabber:server:dialback',
1895
b7c838a1b0ca Specify XMPP version on response stream to incoming s2s connection.
Paul Aurich <paul@darkrain42.org>
parents: 1894
diff changeset
359 ["xmlns:stream"]='http://etherx.jabber.org/streams', id=session.streamid, from=session.to_host, version="1.0" }):top_tag());
331
830fd67f9378 Quite some changes, to:
Matthew Wild <mwild1@gmail.com>
parents: 327
diff changeset
360 if session.to_host and not hosts[session.to_host] then
830fd67f9378 Quite some changes, to:
Matthew Wild <mwild1@gmail.com>
parents: 327
diff changeset
361 -- 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
362 session:close({ condition = "host-unknown"; text = "This host does not serve "..session.to_host });
331
830fd67f9378 Quite some changes, to:
Matthew Wild <mwild1@gmail.com>
parents: 327
diff changeset
363 return;
830fd67f9378 Quite some changes, to:
Matthew Wild <mwild1@gmail.com>
parents: 327
diff changeset
364 end
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
365 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
366 local features = st.stanza("stream:features");
e875833ae08e s2smanager: Send stream:features for incoming s2s connections which support XMPP 1.0
Matthew Wild <mwild1@gmail.com>
parents: 1888
diff changeset
367 fire_event("s2s-stream-features", session, features);
e875833ae08e s2smanager: Send stream:features for incoming s2s connections which support XMPP 1.0
Matthew Wild <mwild1@gmail.com>
parents: 1888
diff changeset
368
e875833ae08e s2smanager: Send stream:features for incoming s2s connections which support XMPP 1.0
Matthew Wild <mwild1@gmail.com>
parents: 1888
diff changeset
369 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
370 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
371 end
148
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
372 elseif session.direction == "outgoing" then
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
373 -- 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
374 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
375 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
376
1007
c500d4cb7855 core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents: 1006
diff changeset
377 -- Send unauthed buffer
c500d4cb7855 core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents: 1006
diff changeset
378 -- (stanzas which are fine to send before dialback)
c500d4cb7855 core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents: 1006
diff changeset
379 -- Note that this is *not* the stanza queue (which
c500d4cb7855 core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents: 1006
diff changeset
380 -- we can only send if auth succeeds) :)
c500d4cb7855 core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents: 1006
diff changeset
381 local send_buffer = session.send_buffer;
c500d4cb7855 core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents: 1006
diff changeset
382 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
383 log("debug", "Sending s2s send_buffer now...");
c500d4cb7855 core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents: 1006
diff changeset
384 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
385 session.sends2s(tostring(data));
c500d4cb7855 core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents: 1006
diff changeset
386 send_buffer[i] = nil;
c500d4cb7855 core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents: 1006
diff changeset
387 end
c500d4cb7855 core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents: 1006
diff changeset
388 end
c500d4cb7855 core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents: 1006
diff changeset
389 session.send_buffer = nil;
c500d4cb7855 core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents: 1006
diff changeset
390
1890
aed0d8a0cca8 s2smanager: Don't wait for stream:features from non-XMPP-1.0 hosts
Matthew Wild <mwild1@gmail.com>
parents: 1889
diff changeset
391 -- 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
392 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
393 if not session.dialback_verifying then
1894
53f34ba6f6d6 Minor changes; outgoing TLS works.
Paul Aurich <paul@darkrain42.org>
parents: 1891
diff changeset
394 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
395 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
396 else
aed0d8a0cca8 s2smanager: Don't wait for stream:features from non-XMPP-1.0 hosts
Matthew Wild <mwild1@gmail.com>
parents: 1889
diff changeset
397 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
398 end
148
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
399 end
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
400 end
259
1485d272400d Some more logging fixes
Matthew Wild <mwild1@gmail.com>
parents: 258
diff changeset
401
148
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
402 session.notopen = nil;
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
403 end
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
404
959
e3db909065f2 sessionmanager, s2smanager, mod_component: Send reply </stream:stream> when client closes stream
Matthew Wild <mwild1@gmail.com>
parents: 938
diff changeset
405 function streamclosed(session)
1006
9166d7a8c3c0 core.s2smanager: Logging improvements
Matthew Wild <mwild1@gmail.com>
parents: 995
diff changeset
406 (session.log or log)("debug", "</stream:stream>");
1199
db2a55fe94f2 s2smanager: Only send reply </stream:stream> when connection is still open
Matthew Wild <mwild1@gmail.com>
parents: 1075
diff changeset
407 if session.sends2s then
db2a55fe94f2 s2smanager: Only send reply </stream:stream> when connection is still open
Matthew Wild <mwild1@gmail.com>
parents: 1075
diff changeset
408 session.sends2s("</stream:stream>");
db2a55fe94f2 s2smanager: Only send reply </stream:stream> when connection is still open
Matthew Wild <mwild1@gmail.com>
parents: 1075
diff changeset
409 end
959
e3db909065f2 sessionmanager, s2smanager, mod_component: Send reply </stream:stream> when client closes stream
Matthew Wild <mwild1@gmail.com>
parents: 938
diff changeset
410 session.notopen = true;
e3db909065f2 sessionmanager, s2smanager, mod_component: Send reply </stream:stream> when client closes stream
Matthew Wild <mwild1@gmail.com>
parents: 938
diff changeset
411 end
e3db909065f2 sessionmanager, s2smanager, mod_component: Send reply </stream:stream> when client closes stream
Matthew Wild <mwild1@gmail.com>
parents: 938
diff changeset
412
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
413 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
414 -- 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
415 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
416 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
417 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
418 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
419
148
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
420 function generate_dialback(id, to, from)
448
2623519b25b0 Switched from md5 to sha256 for dialback key generation
Waqas Hussain <waqas20@gmail.com>
parents: 435
diff changeset
421 return sha256_hash(id..to..from..dialback_secret, true);
148
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
422 end
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
423
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
424 function verify_dialback(id, to, from, key)
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
425 return key == generate_dialback(id, to, from);
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
426 end
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
427
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
428 function make_authenticated(session, host)
148
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
429 if session.type == "s2sout_unauthed" then
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
430 session.type = "s2sout";
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
431 elseif session.type == "s2sin_unauthed" then
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
432 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
433 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
434 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
435 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
436 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: 615
diff changeset
437 session.hosts[host].authed = true;
148
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
438 else
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
439 return false;
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
440 end
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
441 session.log("debug", "connection %s->%s is now authenticated", session.from_host or "(unknown)", session.to_host or "(unknown)");
148
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
442
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
443 mark_connected(session);
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
444
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
445 return true;
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
446 end
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
447
1891
fd725a28141d s2smanager: Small comment
Matthew Wild <mwild1@gmail.com>
parents: 1890
diff changeset
448 -- Stream is authorised, and ready for normal stanzas
148
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
449 function mark_connected(session)
186
bfa8a30ea488 sends2s -> s2s_session.send(), s2s_session.send() -> s2s_session.sends2s()
Matthew Wild <mwild1@gmail.com>
parents: 179
diff changeset
450 local sendq, send = session.sendq, session.sends2s;
bfa8a30ea488 sends2s -> s2s_session.send(), s2s_session.send() -> s2s_session.sends2s()
Matthew Wild <mwild1@gmail.com>
parents: 179
diff changeset
451
bfa8a30ea488 sends2s -> s2s_session.send(), s2s_session.send() -> s2s_session.sends2s()
Matthew Wild <mwild1@gmail.com>
parents: 179
diff changeset
452 local from, to = session.from_host, session.to_host;
bfa8a30ea488 sends2s -> s2s_session.send(), s2s_session.send() -> s2s_session.sends2s()
Matthew Wild <mwild1@gmail.com>
parents: 179
diff changeset
453
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
454 session.log("info", session.direction.." s2s connection "..from.."->"..to.." complete");
186
bfa8a30ea488 sends2s -> s2s_session.send(), s2s_session.send() -> s2s_session.sends2s()
Matthew Wild <mwild1@gmail.com>
parents: 179
diff changeset
455
bfa8a30ea488 sends2s -> s2s_session.send(), s2s_session.send() -> s2s_session.sends2s()
Matthew Wild <mwild1@gmail.com>
parents: 179
diff changeset
456 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.
Matthew Wild <mwild1@gmail.com>
parents: 186
diff changeset
457 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.
Matthew Wild <mwild1@gmail.com>
parents: 186
diff changeset
458
186
bfa8a30ea488 sends2s -> s2s_session.send(), s2s_session.send() -> s2s_session.sends2s()
Matthew Wild <mwild1@gmail.com>
parents: 179
diff changeset
459
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
460 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.
Matthew Wild <mwild1@gmail.com>
parents: 186
diff changeset
461 if sendq then
269
3cfac0e5e6ca Log how many queued stanzas we send
Waqas Hussain <waqas20@gmail.com>
parents: 266
diff changeset
462 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.
Matthew Wild <mwild1@gmail.com>
parents: 186
diff changeset
463 for i, data in ipairs(sendq) do
631
6957fe7b0313 Bounce stanza errors on failed s2s
Waqas Hussain <waqas20@gmail.com>
parents: 621
diff changeset
464 send(data[1]);
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
465 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.
Matthew Wild <mwild1@gmail.com>
parents: 186
diff changeset
466 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
467 session.sendq = nil;
148
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
468 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
469
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
470 session.srv_hosts = nil;
148
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
471 end
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
472 end
4c0dcd245d34 s2s works! \o/ \o/
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
473
164
8dc1faa5b1df other half of previous commit
Matthew Wild <mwild1@gmail.com>
parents: 162
diff changeset
474 function destroy_session(session)
169
92768120b717 Little tweak for more useful logging of closed s2s sessions
Matthew Wild <mwild1@gmail.com>
parents: 167
diff changeset
475 (session.log or log)("info", "Destroying "..tostring(session.direction).." session "..tostring(session.from_host).."->"..tostring(session.to_host));
331
830fd67f9378 Quite some changes, to:
Matthew Wild <mwild1@gmail.com>
parents: 327
diff changeset
476
164
8dc1faa5b1df other half of previous commit
Matthew Wild <mwild1@gmail.com>
parents: 162
diff changeset
477 if session.direction == "outgoing" then
260
182f0c895676 Now outgoing s2s sessions are associated with their from_host, fixes #15
Matthew Wild <mwild1@gmail.com>
parents: 259
diff changeset
478 hosts[session.from_host].s2sout[session.to_host] = nil;
631
6957fe7b0313 Bounce stanza errors on failed s2s
Waqas Hussain <waqas20@gmail.com>
parents: 621
diff changeset
479 bounce_sendq(session);
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
480 elseif session.direction == "incoming" 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
481 incoming_s2s[session] = nil;
164
8dc1faa5b1df other half of previous commit
Matthew Wild <mwild1@gmail.com>
parents: 162
diff changeset
482 end
331
830fd67f9378 Quite some changes, to:
Matthew Wild <mwild1@gmail.com>
parents: 327
diff changeset
483
164
8dc1faa5b1df other half of previous commit
Matthew Wild <mwild1@gmail.com>
parents: 162
diff changeset
484 for k in pairs(session) do
8dc1faa5b1df other half of previous commit
Matthew Wild <mwild1@gmail.com>
parents: 162
diff changeset
485 if k ~= "trace" then
8dc1faa5b1df other half of previous commit
Matthew Wild <mwild1@gmail.com>
parents: 162
diff changeset
486 session[k] = nil;
8dc1faa5b1df other half of previous commit
Matthew Wild <mwild1@gmail.com>
parents: 162
diff changeset
487 end
8dc1faa5b1df other half of previous commit
Matthew Wild <mwild1@gmail.com>
parents: 162
diff changeset
488 end
8dc1faa5b1df other half of previous commit
Matthew Wild <mwild1@gmail.com>
parents: 162
diff changeset
489 end
8dc1faa5b1df other half of previous commit
Matthew Wild <mwild1@gmail.com>
parents: 162
diff changeset
490
225
bbbd169b326b Just committing this warning, because I want to know if the problem really affects us
Matthew Wild <mwild1@gmail.com>
parents: 199
diff changeset
491 return _M;