Software / code / prosody
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core/s2smanager.lua @ 4218:8a271b3fcaa7
mod_storage_sql: Display friendlier error when LuaDBI is missing
| author | Matthew Wild <mwild1@gmail.com> |
|---|---|
| date | Tue, 01 Mar 2011 06:12:43 +0000 |
| parent | 4187:1cad1c3495dd |
| child | 4200:fb487ee690ea |
| rev | line source |
|---|---|
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1 -- Prosody IM |
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2 -- Copyright (C) 2008-2010 Matthew Wild |
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3 -- Copyright (C) 2008-2010 Waqas Hussain |
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4 -- |
| 758 | 5 -- This project is MIT/X11 licensed. Please see the |
| 6 -- COPYING file in the source package for more information. | |
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7 -- |
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8 |
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9 |
| 148 | 10 |
| 11 local hosts = hosts; | |
| 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; |
| 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, setmetatable |
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20 = tostring, pairs, ipairs, getmetatable, newproxy, error, tonumber, setmetatable; |
| 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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s2smanager: Add filters for outgoing bytes and stanzas
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24 local initialize_filters = require "util.filters".initialize; |
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25 local wrapclient = require "net.server".wrapclient; |
| 148 | 26 local modulemanager = require "core.modulemanager"; |
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27 local st = require "stanza"; |
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28 local stanza = st.stanza; |
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29 local nameprep = require "util.encodings".stringprep.nameprep; |
| 148 | 30 |
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s2smanager: Remove dependency on eventmanager
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31 local fire_event = prosody.events.fire_event; |
| 148 | 32 local uuid_gen = require "util.uuid".generate; |
| 33 | |
| 34 local logger_init = require "util.logger".init; | |
| 35 | |
| 36 local log = logger_init("s2smanager"); | |
| 37 | |
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38 local sha256_hash = require "util.hashes".sha256; |
| 148 | 39 |
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s2smanager: Compatibility with domains which use CNAMEs
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40 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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41 local config = require "core.configmanager"; |
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42 local connect_timeout = config.get("*", "core", "s2s_timeout") or 60; |
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43 local dns_timeout = config.get("*", "core", "dns_timeout") or 15; |
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44 local max_dns_depth = config.get("*", "core", "dns_max_depth") or 3; |
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45 |
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46 dns.settimeout(dns_timeout); |
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47 |
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48 local prosody = _G.prosody; |
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49 incoming_s2s = {}; |
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50 prosody.incoming_s2s = incoming_s2s; |
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51 local incoming_s2s = incoming_s2s; |
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52 |
| 148 | 53 module "s2smanager" |
| 54 | |
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55 function compare_srv_priorities(a,b) |
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56 return a.priority < b.priority or (a.priority == b.priority and a.weight > b.weight); |
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57 end |
| 337 | 58 |
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59 local bouncy_stanzas = { message = true, presence = true, iq = true }; |
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60 local function bounce_sendq(session, reason) |
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61 local sendq = session.sendq; |
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62 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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63 session.log("info", "sending error replies for "..#sendq.." queued stanzas because of failed outgoing connection to "..tostring(session.to_host)); |
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64 local dummy = { |
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65 type = "s2sin"; |
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66 send = function(s) |
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67 (session.log or log)("error", "Replying to to an s2s error reply, please report this! Traceback: %s", get_traceback()); |
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68 end; |
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69 dummy = true; |
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70 }; |
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71 for i, data in ipairs(sendq) do |
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72 local reply = data[2]; |
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73 if reply and not(reply.attr.xmlns) and bouncy_stanzas[reply.name] then |
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74 reply.attr.type = "error"; |
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75 reply:tag("error", {type = "cancel"}) |
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76 :tag("remote-server-not-found", {xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas"}):up(); |
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77 if reason then |
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78 reply:tag("text", {xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas"}) |
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79 :text("Server-to-server connection failed: "..reason):up(); |
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80 end |
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81 core_process_stanza(dummy, reply); |
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82 end |
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83 sendq[i] = nil; |
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84 end |
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85 session.sendq = nil; |
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86 end |
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87 end |
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88 |
| 148 | 89 function send_to_host(from_host, to_host, data) |
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90 if not hosts[from_host] then |
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91 log("warn", "Attempt to send stanza from %s - a host we don't serve", from_host); |
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92 return false; |
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93 end |
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94 local host = hosts[from_host].s2sout[to_host]; |
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95 if host then |
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96 -- We have a connection to this host already |
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stanza_router, s2smanager, modulemanager: Fix for handling of the default namespace on stanzas, causing sometimes jabber:client to be sent over s2s, and accepted
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97 if host.type == "s2sout_unauthed" and (data.name ~= "db:verify" or not host.dialback_key) then |
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98 (host.log or log)("debug", "trying to send over unauthed s2sout to "..to_host); |
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99 |
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100 -- Queue stanza until we are able to send it |
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101 if host.sendq then t_insert(host.sendq, {tostring(data), data.attr.type ~= "error" and data.attr.type ~= "result" and st.reply(data)}); |
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102 else host.sendq = { {tostring(data), data.attr.type ~= "error" and data.attr.type ~= "result" and 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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103 host.log("debug", "stanza [%s] queued ", data.name); |
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104 elseif host.type == "local" or host.type == "component" then |
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105 log("error", "Trying to send a stanza to ourselves??") |
| 256 | 106 log("error", "Traceback: %s", get_traceback()); |
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107 log("error", "Stanza: %s", tostring(data)); |
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108 return false; |
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109 else |
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110 (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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111 -- FIXME |
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112 if host.from_host ~= from_host then |
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113 log("error", "WARNING! This might, possibly, be a bug, but it might not..."); |
| 331 | 114 log("error", "We are going to send from %s instead of %s", tostring(host.from_host), tostring(from_host)); |
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115 end |
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116 host.sends2s(data); |
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117 host.log("debug", "stanza sent over "..host.type); |
|
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118 end |
| 148 | 119 else |
| 120 log("debug", "opening a new outgoing connection for this stanza"); | |
| 121 local host_session = new_outgoing(from_host, to_host); | |
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122 |
| 148 | 123 -- Store in buffer |
|
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|
124 host_session.sendq = { {tostring(data), data.attr.type ~= "error" and data.attr.type ~= "result" and st.reply(data)} }; |
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125 log("debug", "stanza [%s] queued until connection complete", tostring(data.name)); |
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126 if (not host_session.connecting) and (not host_session.conn) then |
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127 log("warn", "Connection to %s failed already, destroying session...", to_host); |
|
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|
128 if not destroy_session(host_session, "Connection failed") then |
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129 -- Already destroyed, we need to bounce our stanza |
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130 bounce_sendq(host_session, host_session.destruction_reason); |
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131 end |
|
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132 return false; |
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133 end |
| 148 | 134 end |
|
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135 return true; |
| 148 | 136 end |
| 137 | |
| 138 local open_sessions = 0; | |
| 139 | |
| 140 function new_incoming(conn) | |
|
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141 local session = { conn = conn, type = "s2sin_unauthed", direction = "incoming", hosts = {} }; |
| 148 | 142 if true then |
| 143 session.trace = newproxy(true); | |
|
583
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Remove print()s from sessionmanager and s2smanager
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144 getmetatable(session.trace).__gc = function () open_sessions = open_sessions - 1; end; |
| 148 | 145 end |
| 146 open_sessions = open_sessions + 1; | |
| 343 | 147 local w, log = conn.write, logger_init("s2sin"..tostring(conn):match("[a-f0-9]+$")); |
|
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148 session.log = log; |
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149 local filter = initialize_filters(session); |
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150 session.sends2s = function (t) |
|
3224
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151 log("debug", "sending: %s", t.top_tag and t:top_tag() or t:match("^([^>]*>?)")); |
|
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152 if t.name then |
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153 t = filter("stanzas/out", t); |
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154 end |
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155 if t then |
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156 t = filter("bytes/out", tostring(t)); |
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157 if t then |
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158 return w(conn, t); |
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159 end |
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160 end |
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161 end |
|
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162 incoming_s2s[session] = true; |
|
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163 add_task(connect_timeout, function () |
|
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164 if session.conn ~= conn or |
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165 session.type == "s2sin" then |
|
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166 return; -- Ok, we're connect[ed|ing] |
|
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167 end |
|
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168 -- Not connected, need to close session and clean up |
|
4187
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diff
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|
169 (session.log or log)("debug", "Destroying incomplete session %s->%s due to inactivity", |
|
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diff
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|
170 session.from_host or "(unknown)", session.to_host or "(unknown)"); |
|
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171 session:close("connection-timeout"); |
|
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|
172 end); |
| 148 | 173 return session; |
| 174 end | |
| 175 | |
|
2422
affeb565b050
s2smanager: Allow new_outgoing() to create sessions without automatically connecting them (set 3rd parameters to false)
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diff
changeset
|
176 function new_outgoing(from_host, to_host, connect) |
|
2419
00d985639a06
s2smanager: Trim trailing whitespace
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diff
changeset
|
177 local host_session = { to_host = to_host, from_host = from_host, host = from_host, |
|
2426
4cef9808662a
s2smanager: Split sending of stream header into a :open_stream() method
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diff
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|
178 notopen = true, type = "s2sout_unauthed", direction = "outgoing", |
|
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diff
changeset
|
179 open_stream = session_open_stream }; |
|
1888
562635baad36
s2smanager: Give outgoing sessions a host field (the local one)
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diff
changeset
|
180 |
|
260
182f0c895676
Now outgoing s2s sessions are associated with their from_host, fixes #15
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parents:
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diff
changeset
|
181 hosts[from_host].s2sout[to_host] = host_session; |
| 148 | 182 |
|
4021
5af5fdaaa940
s2smanager: Give all new outgoing s2s sessions a close method by default (destroy_session)
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parents:
4020
diff
changeset
|
183 host_session.close = destroy_session; -- This gets replaced by xmppserver_listener later |
|
5af5fdaaa940
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|
184 |
|
434
0d7ba3742f7a
(Basic) IDNA and SRV fallback support
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diff
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|
185 local log; |
|
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diff
changeset
|
186 do |
|
543
cf6e19ea1cbc
Fix logger ids for c2s and s2sout
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parents:
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diff
changeset
|
187 local conn_name = "s2sout"..tostring(host_session):match("[a-f0-9]*$"); |
|
434
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diff
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|
188 log = logger_init(conn_name); |
|
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diff
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|
189 host_session.log = log; |
|
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diff
changeset
|
190 end |
|
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diff
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|
191 |
|
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|
192 initialize_filters(host_session); |
|
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|
193 |
|
2422
affeb565b050
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diff
changeset
|
194 if connect ~= false then |
|
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diff
changeset
|
195 -- Kick the connection attempting machine into life |
|
4025
cc2e75e49cfb
s2smanager: new_outgoing(): Destroy session if first connection attempt fails immediately (e.g. can't create sockets)
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parents:
4021
diff
changeset
|
196 if not attempt_connection(host_session) then |
|
cc2e75e49cfb
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changeset
|
197 -- Intentionally not returning here, the |
|
cc2e75e49cfb
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4021
diff
changeset
|
198 -- session is needed, connected or not |
|
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4021
diff
changeset
|
199 destroy_session(host_session); |
|
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parents:
4021
diff
changeset
|
200 end |
|
2422
affeb565b050
s2smanager: Allow new_outgoing() to create sessions without automatically connecting them (set 3rd parameters to false)
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2421
diff
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|
201 end |
|
434
0d7ba3742f7a
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diff
changeset
|
202 |
|
2419
00d985639a06
s2smanager: Trim trailing whitespace
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2382
diff
changeset
|
203 if not host_session.sends2s then |
|
1007
c500d4cb7855
core.s2smanager: Buffer data sent before connection
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parents:
1006
diff
changeset
|
204 -- A sends2s which buffers data (until the stream is opened) |
|
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diff
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|
205 -- note that data in this buffer will be sent before the stream is authed |
|
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diff
changeset
|
206 -- and will not be ack'd in any way, successful or otherwise |
|
c500d4cb7855
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diff
changeset
|
207 local buffer; |
|
c500d4cb7855
core.s2smanager: Buffer data sent before connection
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1006
diff
changeset
|
208 function host_session.sends2s(data) |
|
c500d4cb7855
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diff
changeset
|
209 if not buffer then |
|
c500d4cb7855
core.s2smanager: Buffer data sent before connection
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diff
changeset
|
210 buffer = {}; |
|
c500d4cb7855
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1006
diff
changeset
|
211 host_session.send_buffer = buffer; |
|
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diff
changeset
|
212 end |
|
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diff
changeset
|
213 log("debug", "Buffering data on unconnected s2sout to %s", to_host); |
|
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diff
changeset
|
214 buffer[#buffer+1] = data; |
|
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diff
changeset
|
215 log("debug", "Buffered item %d: %s", #buffer, tostring(data)); |
|
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diff
changeset
|
216 end |
|
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diff
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|
217 end |
|
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|
218 |
|
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diff
changeset
|
219 return host_session; |
|
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diff
changeset
|
220 end |
|
353
e7d776b5ebb9
Remove an old FIXME comment
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diff
changeset
|
221 |
|
434
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diff
changeset
|
222 |
|
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changeset
|
223 function attempt_connection(host_session, err) |
|
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diff
changeset
|
224 local from_host, to_host = host_session.from_host, host_session.to_host; |
|
3309
1c58cb93ef3e
s2smanager: Don't attempt to connect to a nil host (for whatever reason... invalid DNS record perhaps?) (thanks dersd)
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diff
changeset
|
225 local connect_host, connect_port = to_host and idna_to_ascii(to_host), 5269; |
|
434
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diff
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|
226 |
|
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|
227 if not connect_host then |
|
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|
228 return false; |
|
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|
229 end |
|
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diff
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|
230 |
|
434
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diff
changeset
|
231 if not err then -- This is our first attempt |
|
1006
9166d7a8c3c0
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diff
changeset
|
232 log("debug", "First attempt to connect to %s, starting with SRV lookup...", to_host); |
| 974 | 233 host_session.connecting = true; |
|
1791
42d0b68a1efd
s2smanager: Pass A-record lookups through adns module
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1523
diff
changeset
|
234 local handle; |
|
1204
dea89234e545
s2smanager: Timeout DNS requests after 60 seconds (or dns_timeout in config)
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diff
changeset
|
235 handle = adns.lookup(function (answer) |
|
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diff
changeset
|
236 handle = nil; |
| 974 | 237 host_session.connecting = nil; |
| 238 if answer then | |
| 239 log("debug", to_host.." has SRV records, handling..."); | |
| 240 local srv_hosts = {}; | |
| 241 host_session.srv_hosts = srv_hosts; | |
| 242 for _, record in ipairs(answer) do | |
| 243 t_insert(srv_hosts, record.srv); | |
| 244 end | |
| 245 t_sort(srv_hosts, compare_srv_priorities); | |
| 246 | |
| 247 local srv_choice = srv_hosts[1]; | |
| 248 host_session.srv_choice = 1; | |
| 249 if srv_choice then | |
| 250 connect_host, connect_port = srv_choice.target or to_host, srv_choice.port or connect_port; | |
| 251 log("debug", "Best record found, will connect to %s:%d", connect_host, connect_port); | |
| 252 end | |
| 253 else | |
| 254 log("debug", to_host.." has no SRV records, falling back to A"); | |
| 337 | 255 end |
| 974 | 256 -- 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
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parents:
1468
diff
changeset
|
257 local ok, err = try_connect(host_session, connect_host, connect_port); |
|
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diff
changeset
|
258 if not ok then |
|
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diff
changeset
|
259 if not attempt_connection(host_session, err) then |
|
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diff
changeset
|
260 -- No more attempts will be made |
|
2783
57611584e27d
s2smanager: Give reasons to destroy_session in more cases, including when DNS lookup fails
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parents:
2781
diff
changeset
|
261 destroy_session(host_session, err); |
|
1492
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diff
changeset
|
262 end |
|
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diff
changeset
|
263 end |
| 974 | 264 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
|
265 |
| 974 | 266 return true; -- Attempt in progress |
|
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diff
changeset
|
267 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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|
268 host_session.srv_choice = host_session.srv_choice + 1; |
|
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diff
changeset
|
269 local srv_choice = host_session.srv_hosts[host_session.srv_choice]; |
|
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diff
changeset
|
270 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
|
271 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
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diff
changeset
|
272 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
|
273 host_session.log("info", "Out of connection options, can't connect to %s", tostring(host_session.to_host)); |
|
434
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parents:
360
diff
changeset
|
274 -- We're out of options |
|
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diff
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|
275 return false; |
|
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diff
changeset
|
276 end |
|
0d7ba3742f7a
(Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents:
360
diff
changeset
|
277 |
|
960
6bc16062da6c
core.s2smanager: Check for valid host and port before attempting connection
Matthew Wild <mwild1@gmail.com>
parents:
959
diff
changeset
|
278 if not (connect_host and connect_port) then |
|
6bc16062da6c
core.s2smanager: Check for valid host and port before attempting connection
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parents:
959
diff
changeset
|
279 -- Likely we couldn't resolve DNS |
|
1006
9166d7a8c3c0
core.s2smanager: Logging improvements
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parents:
995
diff
changeset
|
280 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
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parents:
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diff
changeset
|
281 return false; |
|
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parents:
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diff
changeset
|
282 end |
|
6bc16062da6c
core.s2smanager: Check for valid host and port before attempting connection
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parents:
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diff
changeset
|
283 |
| 974 | 284 return try_connect(host_session, connect_host, connect_port); |
| 285 end | |
| 286 | |
| 287 function try_connect(host_session, connect_host, connect_port) | |
|
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diff
changeset
|
288 host_session.connecting = true; |
|
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diff
changeset
|
289 local handle; |
|
4027
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s2smanager: Handle DNS lookup error in response handler
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parents:
4026
diff
changeset
|
290 handle = adns.lookup(function (reply, err) |
|
1791
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1523
diff
changeset
|
291 handle = nil; |
|
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1523
diff
changeset
|
292 host_session.connecting = nil; |
|
1793
1fc6c2822e6b
s2smanager: Compatibility with domains which use CNAMEs
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parents:
1791
diff
changeset
|
293 |
|
1fc6c2822e6b
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parents:
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diff
changeset
|
294 -- 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
|
295 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
|
296 local count = max_dns_depth; |
|
1793
1fc6c2822e6b
s2smanager: Compatibility with domains which use CNAMEs
Matthew Wild <mwild1@gmail.com>
parents:
1791
diff
changeset
|
297 reply = dns.peek(connect_host, "CNAME", "IN"); |
|
1828
48cb27e2716e
core.s2smanager: Always use last record in the DNS cache
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parents:
1805
diff
changeset
|
298 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
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parents:
1805
diff
changeset
|
299 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
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parents:
1805
diff
changeset
|
300 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
|
301 count = count - 1; |
|
1793
1fc6c2822e6b
s2smanager: Compatibility with domains which use CNAMEs
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parents:
1791
diff
changeset
|
302 end |
|
1fc6c2822e6b
s2smanager: Compatibility with domains which use CNAMEs
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parents:
1791
diff
changeset
|
303 end |
|
1fc6c2822e6b
s2smanager: Compatibility with domains which use CNAMEs
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parents:
1791
diff
changeset
|
304 -- end of CNAME resolving |
|
1fc6c2822e6b
s2smanager: Compatibility with domains which use CNAMEs
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parents:
1791
diff
changeset
|
305 |
|
1828
48cb27e2716e
core.s2smanager: Always use last record in the DNS cache
Matthew Wild <mwild1@gmail.com>
parents:
1805
diff
changeset
|
306 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
|
307 log("debug", "DNS reply for %s gives us %s", connect_host, reply[#reply].a); |
|
4028
f596e1a5e88a
s2smanager: Destroy session on immediate failure of a connection attempt (e.g. inability to create sockets)
Matthew Wild <mwild1@gmail.com>
parents:
4027
diff
changeset
|
308 local ok, err = make_connect(host_session, reply[#reply].a, connect_port); |
|
f596e1a5e88a
s2smanager: Destroy session on immediate failure of a connection attempt (e.g. inability to create sockets)
Matthew Wild <mwild1@gmail.com>
parents:
4027
diff
changeset
|
309 if not ok then |
|
f596e1a5e88a
s2smanager: Destroy session on immediate failure of a connection attempt (e.g. inability to create sockets)
Matthew Wild <mwild1@gmail.com>
parents:
4027
diff
changeset
|
310 if not attempt_connection(host_session, err or "closed") then |
|
f596e1a5e88a
s2smanager: Destroy session on immediate failure of a connection attempt (e.g. inability to create sockets)
Matthew Wild <mwild1@gmail.com>
parents:
4027
diff
changeset
|
311 err = err and (": "..err) or ""; |
|
f596e1a5e88a
s2smanager: Destroy session on immediate failure of a connection attempt (e.g. inability to create sockets)
Matthew Wild <mwild1@gmail.com>
parents:
4027
diff
changeset
|
312 destroy_session(host_session, "Connection failed"..err); |
|
f596e1a5e88a
s2smanager: Destroy session on immediate failure of a connection attempt (e.g. inability to create sockets)
Matthew Wild <mwild1@gmail.com>
parents:
4027
diff
changeset
|
313 end |
|
f596e1a5e88a
s2smanager: Destroy session on immediate failure of a connection attempt (e.g. inability to create sockets)
Matthew Wild <mwild1@gmail.com>
parents:
4027
diff
changeset
|
314 end |
|
1791
42d0b68a1efd
s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents:
1523
diff
changeset
|
315 else |
|
42d0b68a1efd
s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents:
1523
diff
changeset
|
316 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
|
317 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
|
318 log("debug", "No other records to try for %s - destroying", host_session.to_host); |
|
4027
81d0ed5787f6
s2smanager: Handle DNS lookup error in response handler
Matthew Wild <mwild1@gmail.com>
parents:
4026
diff
changeset
|
319 err = err and (": "..err) or ""; |
|
81d0ed5787f6
s2smanager: Handle DNS lookup error in response handler
Matthew Wild <mwild1@gmail.com>
parents:
4026
diff
changeset
|
320 destroy_session(host_session, "DNS resolution failed"..err); -- End of the line, we can't |
|
1791
42d0b68a1efd
s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents:
1523
diff
changeset
|
321 end |
|
42d0b68a1efd
s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents:
1523
diff
changeset
|
322 end |
|
42d0b68a1efd
s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents:
1523
diff
changeset
|
323 end, connect_host, "A", "IN"); |
|
42d0b68a1efd
s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents:
1523
diff
changeset
|
324 |
|
42d0b68a1efd
s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents:
1523
diff
changeset
|
325 return true; |
|
42d0b68a1efd
s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents:
1523
diff
changeset
|
326 end |
|
42d0b68a1efd
s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents:
1523
diff
changeset
|
327 |
|
42d0b68a1efd
s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents:
1523
diff
changeset
|
328 function make_connect(host_session, connect_host, connect_port) |
|
2813
46dfcc33ea9e
s2smanager: Use s2smanager log() if session doesn't have a logger (thanks Flo)
Matthew Wild <mwild1@gmail.com>
parents:
2801
diff
changeset
|
329 (host_session.log or log)("info", "Beginning new connection attempt to %s (%s:%d)", host_session.to_host, connect_host, connect_port); |
|
434
0d7ba3742f7a
(Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents:
360
diff
changeset
|
330 -- Ok, we're going to try to connect |
| 974 | 331 |
| 332 local from_host, to_host = host_session.from_host, host_session.to_host; | |
| 333 | |
|
4020
472691075967
s2smanager: Add a missing semi-colon
Matthew Wild <mwild1@gmail.com>
parents:
4019
diff
changeset
|
334 local conn, handler = socket.tcp(); |
|
2712
9c579864b20a
s2smanager: Log and fail gracefully when unable to create socket for outgoing s2s connection (thanks foucault)
Matthew Wild <mwild1@gmail.com>
parents:
2711
diff
changeset
|
335 |
|
9c579864b20a
s2smanager: Log and fail gracefully when unable to create socket for outgoing s2s connection (thanks foucault)
Matthew Wild <mwild1@gmail.com>
parents:
2711
diff
changeset
|
336 if not conn then |
|
9c579864b20a
s2smanager: Log and fail gracefully when unable to create socket for outgoing s2s connection (thanks foucault)
Matthew Wild <mwild1@gmail.com>
parents:
2711
diff
changeset
|
337 log("warn", "Failed to create outgoing connection, system error: %s", handler); |
|
9c579864b20a
s2smanager: Log and fail gracefully when unable to create socket for outgoing s2s connection (thanks foucault)
Matthew Wild <mwild1@gmail.com>
parents:
2711
diff
changeset
|
338 return false, handler; |
|
9c579864b20a
s2smanager: Log and fail gracefully when unable to create socket for outgoing s2s connection (thanks foucault)
Matthew Wild <mwild1@gmail.com>
parents:
2711
diff
changeset
|
339 end |
| 974 | 340 |
|
434
0d7ba3742f7a
(Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents:
360
diff
changeset
|
341 conn:settimeout(0); |
|
0d7ba3742f7a
(Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents:
360
diff
changeset
|
342 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
|
343 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
|
344 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
|
345 return false, err; |
|
434
0d7ba3742f7a
(Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents:
360
diff
changeset
|
346 end |
|
0d7ba3742f7a
(Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents:
360
diff
changeset
|
347 |
|
0d7ba3742f7a
(Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents:
360
diff
changeset
|
348 local cl = connlisteners_get("xmppserver"); |
|
2545
99700e601d16
s2smanager: Update for new server SSL API (don't pass a sslctx)
Matthew Wild <mwild1@gmail.com>
parents:
2539
diff
changeset
|
349 conn = wrapclient(conn, connect_host, connect_port, cl, cl.default_mode or 1 ); |
|
434
0d7ba3742f7a
(Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents:
360
diff
changeset
|
350 host_session.conn = conn; |
|
0d7ba3742f7a
(Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents:
360
diff
changeset
|
351 |
|
3146
aaaea4cdbf10
s2smanager: Add filters for outgoing bytes and stanzas
Matthew Wild <mwild1@gmail.com>
parents:
2951
diff
changeset
|
352 local filter = initialize_filters(host_session); |
|
2019
c712ea57b877
s2smanager: Use session-specific logger to log outgoing data on outgoing s2s connections
Matthew Wild <mwild1@gmail.com>
parents:
1976
diff
changeset
|
353 local w, log = conn.write, host_session.log; |
|
3146
aaaea4cdbf10
s2smanager: Add filters for outgoing bytes and stanzas
Matthew Wild <mwild1@gmail.com>
parents:
2951
diff
changeset
|
354 host_session.sends2s = function (t) |
|
3265
9374f84c6677
s2smanager: Fix logging for outgoing sessions to also log pre-filtered data
Matthew Wild <mwild1@gmail.com>
parents:
3224
diff
changeset
|
355 log("debug", "sending: %s", (t.top_tag and t:top_tag()) or t:match("^[^>]*>?")); |
|
3146
aaaea4cdbf10
s2smanager: Add filters for outgoing bytes and stanzas
Matthew Wild <mwild1@gmail.com>
parents:
2951
diff
changeset
|
356 if t.name then |
|
aaaea4cdbf10
s2smanager: Add filters for outgoing bytes and stanzas
Matthew Wild <mwild1@gmail.com>
parents:
2951
diff
changeset
|
357 t = filter("stanzas/out", t); |
|
aaaea4cdbf10
s2smanager: Add filters for outgoing bytes and stanzas
Matthew Wild <mwild1@gmail.com>
parents:
2951
diff
changeset
|
358 end |
|
aaaea4cdbf10
s2smanager: Add filters for outgoing bytes and stanzas
Matthew Wild <mwild1@gmail.com>
parents:
2951
diff
changeset
|
359 if t then |
|
aaaea4cdbf10
s2smanager: Add filters for outgoing bytes and stanzas
Matthew Wild <mwild1@gmail.com>
parents:
2951
diff
changeset
|
360 t = filter("bytes/out", tostring(t)); |
|
aaaea4cdbf10
s2smanager: Add filters for outgoing bytes and stanzas
Matthew Wild <mwild1@gmail.com>
parents:
2951
diff
changeset
|
361 if t then |
|
aaaea4cdbf10
s2smanager: Add filters for outgoing bytes and stanzas
Matthew Wild <mwild1@gmail.com>
parents:
2951
diff
changeset
|
362 return w(conn, tostring(t)); |
|
aaaea4cdbf10
s2smanager: Add filters for outgoing bytes and stanzas
Matthew Wild <mwild1@gmail.com>
parents:
2951
diff
changeset
|
363 end |
|
aaaea4cdbf10
s2smanager: Add filters for outgoing bytes and stanzas
Matthew Wild <mwild1@gmail.com>
parents:
2951
diff
changeset
|
364 end |
|
aaaea4cdbf10
s2smanager: Add filters for outgoing bytes and stanzas
Matthew Wild <mwild1@gmail.com>
parents:
2951
diff
changeset
|
365 end |
|
434
0d7ba3742f7a
(Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents:
360
diff
changeset
|
366 |
|
0d7ba3742f7a
(Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents:
360
diff
changeset
|
367 -- Register this outgoing connection so that xmppserver_listener knows about it |
|
0d7ba3742f7a
(Basic) IDNA and SRV fallback support
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parents:
360
diff
changeset
|
368 -- otherwise it will assume it is a new incoming connection |
|
0d7ba3742f7a
(Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
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360
diff
changeset
|
369 cl.register_outgoing(conn, host_session); |
|
0d7ba3742f7a
(Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents:
360
diff
changeset
|
370 |
|
2469
9e0c0b08f219
s2smanager: No-one noticed that Prosody stopped sending to/from on stream headers recently? :)
Matthew Wild <mwild1@gmail.com>
parents:
2426
diff
changeset
|
371 host_session:open_stream(from_host, to_host); |
|
2426
4cef9808662a
s2smanager: Split sending of stream header into a :open_stream() method
Matthew Wild <mwild1@gmail.com>
parents:
2422
diff
changeset
|
372 |
| 974 | 373 log("debug", "Connection attempt in progress..."); |
|
1796
5f7b2f940816
s2smanager: Timeout unauthed s2s connections
Matthew Wild <mwild1@gmail.com>
parents:
1793
diff
changeset
|
374 add_task(connect_timeout, function () |
|
5f7b2f940816
s2smanager: Timeout unauthed s2s connections
Matthew Wild <mwild1@gmail.com>
parents:
1793
diff
changeset
|
375 if host_session.conn ~= conn or |
|
5f7b2f940816
s2smanager: Timeout unauthed s2s connections
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parents:
1793
diff
changeset
|
376 host_session.type == "s2sout" or |
|
5f7b2f940816
s2smanager: Timeout unauthed s2s connections
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parents:
1793
diff
changeset
|
377 host_session.connecting then |
|
5f7b2f940816
s2smanager: Timeout unauthed s2s connections
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1793
diff
changeset
|
378 return; -- Ok, we're connect[ed|ing] |
|
5f7b2f940816
s2smanager: Timeout unauthed s2s connections
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parents:
1793
diff
changeset
|
379 end |
|
5f7b2f940816
s2smanager: Timeout unauthed s2s connections
Matthew Wild <mwild1@gmail.com>
parents:
1793
diff
changeset
|
380 -- Not connected, need to close session and clean up |
|
2419
00d985639a06
s2smanager: Trim trailing whitespace
Matthew Wild <mwild1@gmail.com>
parents:
2382
diff
changeset
|
381 (host_session.log or log)("warn", "Destroying incomplete session %s->%s due to inactivity", |
|
1796
5f7b2f940816
s2smanager: Timeout unauthed s2s connections
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parents:
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diff
changeset
|
382 host_session.from_host or "(unknown)", host_session.to_host or "(unknown)"); |
|
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s2smanager: Timeout unauthed s2s connections
Matthew Wild <mwild1@gmail.com>
parents:
1793
diff
changeset
|
383 host_session:close("connection-timeout"); |
|
5f7b2f940816
s2smanager: Timeout unauthed s2s connections
Matthew Wild <mwild1@gmail.com>
parents:
1793
diff
changeset
|
384 end); |
|
434
0d7ba3742f7a
(Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents:
360
diff
changeset
|
385 return true; |
| 148 | 386 end |
| 387 | |
|
2426
4cef9808662a
s2smanager: Split sending of stream header into a :open_stream() method
Matthew Wild <mwild1@gmail.com>
parents:
2422
diff
changeset
|
388 function session_open_stream(session, from, to) |
|
4cef9808662a
s2smanager: Split sending of stream header into a :open_stream() method
Matthew Wild <mwild1@gmail.com>
parents:
2422
diff
changeset
|
389 session.sends2s(st.stanza("stream:stream", { |
|
4cef9808662a
s2smanager: Split sending of stream header into a :open_stream() method
Matthew Wild <mwild1@gmail.com>
parents:
2422
diff
changeset
|
390 xmlns='jabber:server', ["xmlns:db"]='jabber:server:dialback', |
|
4cef9808662a
s2smanager: Split sending of stream header into a :open_stream() method
Matthew Wild <mwild1@gmail.com>
parents:
2422
diff
changeset
|
391 ["xmlns:stream"]='http://etherx.jabber.org/streams', |
|
4cef9808662a
s2smanager: Split sending of stream header into a :open_stream() method
Matthew Wild <mwild1@gmail.com>
parents:
2422
diff
changeset
|
392 from=from, to=to, version='1.0', ["xml:lang"]='en'}):top_tag()); |
|
4cef9808662a
s2smanager: Split sending of stream header into a :open_stream() method
Matthew Wild <mwild1@gmail.com>
parents:
2422
diff
changeset
|
393 end |
|
4cef9808662a
s2smanager: Split sending of stream header into a :open_stream() method
Matthew Wild <mwild1@gmail.com>
parents:
2422
diff
changeset
|
394 |
| 148 | 395 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
|
396 local send = session.sends2s; |
| 148 | 397 |
|
544
efde848869c5
Don't send stream:features to incoming s2s connections
Matthew Wild <mwild1@gmail.com>
parents:
543
diff
changeset
|
398 -- TODO: #29: SASL/TLS on s2s streams |
|
1894
53f34ba6f6d6
Minor changes; outgoing TLS works.
Paul Aurich <paul@darkrain42.org>
parents:
1891
diff
changeset
|
399 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
|
400 |
|
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
|
401 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
|
402 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
|
403 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
|
404 |
| 148 | 405 if session.direction == "incoming" then |
| 406 -- Send a reply stream header | |
|
938
663f75dd7b42
Fixed: Some nil access bugs
Waqas Hussain <waqas20@gmail.com>
parents:
931
diff
changeset
|
407 session.to_host = attr.to and nameprep(attr.to); |
|
663f75dd7b42
Fixed: Some nil access bugs
Waqas Hussain <waqas20@gmail.com>
parents:
931
diff
changeset
|
408 session.from_host = attr.from and nameprep(attr.from); |
| 148 | 409 |
| 410 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
|
411 (session.log or log)("debug", "incoming s2s received <stream:stream>"); |
|
3383
c7acddf80583
s2smanager: Handle disallow_s2s for incoming streams as well as outgoing
Matthew Wild <mwild1@gmail.com>
parents:
3329
diff
changeset
|
412 if session.to_host then |
|
c7acddf80583
s2smanager: Handle disallow_s2s for incoming streams as well as outgoing
Matthew Wild <mwild1@gmail.com>
parents:
3329
diff
changeset
|
413 if not hosts[session.to_host] then |
|
c7acddf80583
s2smanager: Handle disallow_s2s for incoming streams as well as outgoing
Matthew Wild <mwild1@gmail.com>
parents:
3329
diff
changeset
|
414 -- Attempting to connect to a host we don't serve |
|
c7acddf80583
s2smanager: Handle disallow_s2s for incoming streams as well as outgoing
Matthew Wild <mwild1@gmail.com>
parents:
3329
diff
changeset
|
415 session:close({ |
|
c7acddf80583
s2smanager: Handle disallow_s2s for incoming streams as well as outgoing
Matthew Wild <mwild1@gmail.com>
parents:
3329
diff
changeset
|
416 condition = "host-unknown"; |
|
c7acddf80583
s2smanager: Handle disallow_s2s for incoming streams as well as outgoing
Matthew Wild <mwild1@gmail.com>
parents:
3329
diff
changeset
|
417 text = "This host does not serve "..session.to_host |
|
c7acddf80583
s2smanager: Handle disallow_s2s for incoming streams as well as outgoing
Matthew Wild <mwild1@gmail.com>
parents:
3329
diff
changeset
|
418 }); |
|
c7acddf80583
s2smanager: Handle disallow_s2s for incoming streams as well as outgoing
Matthew Wild <mwild1@gmail.com>
parents:
3329
diff
changeset
|
419 return; |
|
c7acddf80583
s2smanager: Handle disallow_s2s for incoming streams as well as outgoing
Matthew Wild <mwild1@gmail.com>
parents:
3329
diff
changeset
|
420 elseif hosts[session.to_host].disallow_s2s then |
|
c7acddf80583
s2smanager: Handle disallow_s2s for incoming streams as well as outgoing
Matthew Wild <mwild1@gmail.com>
parents:
3329
diff
changeset
|
421 -- Attempting to connect to a host that disallows s2s |
|
c7acddf80583
s2smanager: Handle disallow_s2s for incoming streams as well as outgoing
Matthew Wild <mwild1@gmail.com>
parents:
3329
diff
changeset
|
422 session:close({ |
|
c7acddf80583
s2smanager: Handle disallow_s2s for incoming streams as well as outgoing
Matthew Wild <mwild1@gmail.com>
parents:
3329
diff
changeset
|
423 condition = "policy-violation"; |
|
c7acddf80583
s2smanager: Handle disallow_s2s for incoming streams as well as outgoing
Matthew Wild <mwild1@gmail.com>
parents:
3329
diff
changeset
|
424 text = "Server-to-server communication is not allowed to this host"; |
|
c7acddf80583
s2smanager: Handle disallow_s2s for incoming streams as well as outgoing
Matthew Wild <mwild1@gmail.com>
parents:
3329
diff
changeset
|
425 }); |
|
c7acddf80583
s2smanager: Handle disallow_s2s for incoming streams as well as outgoing
Matthew Wild <mwild1@gmail.com>
parents:
3329
diff
changeset
|
426 return; |
|
c7acddf80583
s2smanager: Handle disallow_s2s for incoming streams as well as outgoing
Matthew Wild <mwild1@gmail.com>
parents:
3329
diff
changeset
|
427 end |
| 331 | 428 end |
|
2780
f8232abcab2a
s2smanager: Send reply stream header only after checking we serve this host (sorry darkrain... :) )
Matthew Wild <mwild1@gmail.com>
parents:
2760
diff
changeset
|
429 send("<?xml version='1.0'?>"); |
|
2419
00d985639a06
s2smanager: Trim trailing whitespace
Matthew Wild <mwild1@gmail.com>
parents:
2382
diff
changeset
|
430 send(stanza("stream:stream", { xmlns='jabber:server', ["xmlns:db"]='jabber:server:dialback', |
|
2787
1067a454a068
s2smanager: Stamp a 'to' on the reply stream:stream. This makes prosody happy.
Paul Aurich <paul@darkrain42.org>
parents:
2783
diff
changeset
|
431 ["xmlns:stream"]='http://etherx.jabber.org/streams', id=session.streamid, from=session.to_host, to=session.from_host, version=(session.version > 0 and "1.0" or nil) }):top_tag()); |
|
345
6a7acfc1c933
Send version=1.0 in s2s stream header. Send s2s stream:features when in 1.0 mode.
Matthew Wild <mwild1@gmail.com>
parents:
344
diff
changeset
|
432 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
|
433 local features = st.stanza("stream:features"); |
|
2780
f8232abcab2a
s2smanager: Send reply stream header only after checking we serve this host (sorry darkrain... :) )
Matthew Wild <mwild1@gmail.com>
parents:
2760
diff
changeset
|
434 |
|
1936
a6ca0dcc7b83
s2smanager: Make s2s-stream-features a per-host event
Matthew Wild <mwild1@gmail.com>
parents:
1930
diff
changeset
|
435 if session.to_host then |
|
2613
afa20941e098
s2smanager, mod_compression, mod_tls: Changed event.session to event.origin for s2s-stream-features event for consistency.
Waqas Hussain <waqas20@gmail.com>
parents:
2545
diff
changeset
|
436 hosts[session.to_host].events.fire_event("s2s-stream-features", { origin = session, features = features }); |
|
1936
a6ca0dcc7b83
s2smanager: Make s2s-stream-features a per-host event
Matthew Wild <mwild1@gmail.com>
parents:
1930
diff
changeset
|
437 else |
|
a6ca0dcc7b83
s2smanager: Make s2s-stream-features a per-host event
Matthew Wild <mwild1@gmail.com>
parents:
1930
diff
changeset
|
438 (session.log or log)("warn", "No 'to' on stream header from %s means we can't offer any features", session.from_host or "unknown host"); |
|
a6ca0dcc7b83
s2smanager: Make s2s-stream-features a per-host event
Matthew Wild <mwild1@gmail.com>
parents:
1930
diff
changeset
|
439 end |
|
1889
e875833ae08e
s2smanager: Send stream:features for incoming s2s connections which support XMPP 1.0
Matthew Wild <mwild1@gmail.com>
parents:
1888
diff
changeset
|
440 |
|
e875833ae08e
s2smanager: Send stream:features for incoming s2s connections which support XMPP 1.0
Matthew Wild <mwild1@gmail.com>
parents:
1888
diff
changeset
|
441 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
|
442 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
|
443 end |
| 148 | 444 elseif session.direction == "outgoing" then |
| 445 -- 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
|
446 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
|
447 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
|
448 |
|
1007
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
1006
diff
changeset
|
449 -- Send unauthed buffer |
|
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
1006
diff
changeset
|
450 -- (stanzas which are fine to send before dialback) |
|
2419
00d985639a06
s2smanager: Trim trailing whitespace
Matthew Wild <mwild1@gmail.com>
parents:
2382
diff
changeset
|
451 -- Note that this is *not* the stanza queue (which |
|
1007
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
1006
diff
changeset
|
452 -- we can only send if auth succeeds) :) |
|
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
1006
diff
changeset
|
453 local send_buffer = session.send_buffer; |
|
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
1006
diff
changeset
|
454 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
|
455 log("debug", "Sending s2s send_buffer now..."); |
|
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
1006
diff
changeset
|
456 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
|
457 session.sends2s(tostring(data)); |
|
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
1006
diff
changeset
|
458 send_buffer[i] = nil; |
|
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
1006
diff
changeset
|
459 end |
|
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
1006
diff
changeset
|
460 end |
|
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
1006
diff
changeset
|
461 session.send_buffer = nil; |
|
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
1006
diff
changeset
|
462 |
|
1890
aed0d8a0cca8
s2smanager: Don't wait for stream:features from non-XMPP-1.0 hosts
Matthew Wild <mwild1@gmail.com>
parents:
1889
diff
changeset
|
463 -- 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
|
464 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
|
465 if not session.dialback_verifying then |
|
1894
53f34ba6f6d6
Minor changes; outgoing TLS works.
Paul Aurich <paul@darkrain42.org>
parents:
1891
diff
changeset
|
466 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
|
467 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
|
468 else |
|
aed0d8a0cca8
s2smanager: Don't wait for stream:features from non-XMPP-1.0 hosts
Matthew Wild <mwild1@gmail.com>
parents:
1889
diff
changeset
|
469 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
|
470 end |
| 148 | 471 end |
| 472 end | |
| 473 session.notopen = nil; | |
| 474 end | |
| 475 | |
|
959
e3db909065f2
sessionmanager, s2smanager, mod_component: Send reply </stream:stream> when client closes stream
Matthew Wild <mwild1@gmail.com>
parents:
938
diff
changeset
|
476 function streamclosed(session) |
|
2747
168104895051
sessionmanager, s2smanager: Close session on </stream:stream>
Matthew Wild <mwild1@gmail.com>
parents:
2746
diff
changeset
|
477 (session.log or log)("debug", "Received </stream:stream>"); |
|
168104895051
sessionmanager, s2smanager: Close session on </stream:stream>
Matthew Wild <mwild1@gmail.com>
parents:
2746
diff
changeset
|
478 session:close(); |
|
959
e3db909065f2
sessionmanager, s2smanager, mod_component: Send reply </stream:stream> when client closes stream
Matthew Wild <mwild1@gmail.com>
parents:
938
diff
changeset
|
479 end |
|
e3db909065f2
sessionmanager, s2smanager, mod_component: Send reply </stream:stream> when client closes stream
Matthew Wild <mwild1@gmail.com>
parents:
938
diff
changeset
|
480 |
|
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
|
481 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
|
482 -- 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.
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483 session.dialback_key = generate_dialback(session.streamid, session.to_host, session.from_host); |
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484 session.sends2s(format("<db:result from='%s' to='%s'>%s</db:result>", session.from_host, session.to_host, session.dialback_key)); |
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485 session.log("info", "sent dialback key on outgoing s2s stream"); |
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486 end |
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487 |
| 148 | 488 function generate_dialback(id, to, from) |
|
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489 return sha256_hash(id..to..from..hosts[from].dialback_secret, true); |
| 148 | 490 end |
| 491 | |
| 492 function verify_dialback(id, to, from, key) | |
| 493 return key == generate_dialback(id, to, from); | |
| 494 end | |
| 495 | |
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496 function make_authenticated(session, host) |
|
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497 if not session.secure then |
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498 local local_host = session.direction == "incoming" and session.to_host or session.from_host; |
|
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499 if config.get(local_host, "core", "s2s_require_encryption") then |
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500 session:close({ |
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501 condition = "policy-violation", |
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502 text = "Encrypted server-to-server communication is required but was not " |
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503 ..((session.direction == "outgoing" and "offered") or "used") |
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504 }); |
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505 end |
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506 end |
| 148 | 507 if session.type == "s2sout_unauthed" then |
| 508 session.type = "s2sout"; | |
| 509 elseif session.type == "s2sin_unauthed" then | |
| 510 session.type = "s2sin"; | |
|
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511 if host then |
|
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512 if not session.hosts[host] then session.hosts[host] = {}; end |
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513 session.hosts[host].authed = true; |
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514 end |
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515 elseif session.type == "s2sin" and host then |
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516 if not session.hosts[host] then session.hosts[host] = {}; end |
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517 session.hosts[host].authed = true; |
| 148 | 518 else |
| 519 return false; | |
| 520 end | |
|
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521 session.log("debug", "connection %s->%s is now authenticated", session.from_host or "(unknown)", session.to_host or "(unknown)"); |
| 148 | 522 |
| 523 mark_connected(session); | |
| 524 | |
| 525 return true; | |
| 526 end | |
| 527 | |
| 1891 | 528 -- Stream is authorised, and ready for normal stanzas |
| 148 | 529 function mark_connected(session) |
|
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530 local sendq, send = session.sendq, session.sends2s; |
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531 |
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532 local from, to = session.from_host, session.to_host; |
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533 |
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534 session.log("info", session.direction.." s2s connection "..from.."->"..to.." complete"); |
|
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535 |
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536 local send_to_host = send_to_host; |
|
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537 function session.send(data) return send_to_host(to, from, data); end |
|
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538 |
|
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539 local event_data = { session = session }; |
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540 if session.type == "s2sout" then |
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541 prosody.events.fire_event("s2sout-established", event_data); |
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542 hosts[session.from_host].events.fire_event("s2sout-established", event_data); |
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543 else |
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544 prosody.events.fire_event("s2sin-established", event_data); |
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545 hosts[session.to_host].events.fire_event("s2sin-established", event_data); |
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546 end |
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547 |
|
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548 if session.direction == "outgoing" then |
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diff
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549 if sendq then |
|
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550 session.log("debug", "sending "..#sendq.." queued stanzas across new outgoing connection to "..session.to_host); |
|
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551 for i, data in ipairs(sendq) do |
|
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552 send(data[1]); |
|
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553 sendq[i] = nil; |
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554 end |
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555 session.sendq = nil; |
| 148 | 556 end |
|
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diff
changeset
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557 |
|
35b5686d73ea
s2smanager: Remove srv_hosts from session when connected, this fixes attempting to reconnect s2s sessions when they are closed during shutdown
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558 session.srv_hosts = nil; |
| 148 | 559 end |
| 560 end | |
| 561 | |
|
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562 local resting_session = { -- Resting, not dead |
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563 destroyed = true; |
|
2915
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564 type = "s2s_destroyed"; |
|
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565 open_stream = function (session) |
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566 session.log("debug", "Attempt to open stream on resting session"); |
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567 end; |
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568 close = function (session) |
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569 session.log("debug", "Attempt to close already-closed session"); |
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570 end; |
|
3459
543f31cdde19
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571 filter = function (type, data) return data; end; |
|
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572 }; resting_session.__index = resting_session; |
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changeset
|
573 |
|
4018
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|
574 function retire_session(session, reason) |
|
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575 local log = session.log or log; |
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576 for k in pairs(session) do |
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577 if k ~= "trace" and k ~= "log" and k ~= "id" then |
|
3b9547fc0bed
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578 session[k] = nil; |
|
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579 end |
|
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580 end |
|
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changeset
|
581 |
|
4018
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582 session.destruction_reason = reason; |
|
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583 |
|
2746
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|
584 function session.send(data) log("debug", "Discarding data sent to resting session: %s", tostring(data)); end |
|
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585 function session.data(data) log("debug", "Discarding data received from resting session: %s", tostring(data)); end |
|
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586 return setmetatable(session, resting_session); |
|
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587 end |
|
2857
6036c4b75235
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2712
diff
changeset
|
588 |
|
2781
4b5881b6bbfc
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2780
diff
changeset
|
589 function destroy_session(session, reason) |
|
2749
8dc5f3651501
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2748
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changeset
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590 if session.destroyed then return; end |
|
4187
1cad1c3495dd
s2smanager: Drop some log messages to debug level from info/warn
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changeset
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591 (session.log or log)("debug", "Destroying "..tostring(session.direction).." session "..tostring(session.from_host).."->"..tostring(session.to_host)); |
| 331 | 592 |
|
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593 if session.direction == "outgoing" then |
|
260
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Now outgoing s2s sessions are associated with their from_host, fixes #15
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594 hosts[session.from_host].s2sout[session.to_host] = nil; |
|
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595 bounce_sendq(session, reason); |
|
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596 elseif session.direction == "incoming" then |
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597 incoming_s2s[session] = nil; |
|
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598 end |
| 331 | 599 |
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600 local event_data = { session = session, reason = reason }; |
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601 if session.type == "s2sout" then |
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602 prosody.events.fire_event("s2sout-destroyed", event_data); |
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603 if hosts[session.from_host] then |
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604 hosts[session.from_host].events.fire_event("s2sout-destroyed", event_data); |
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605 end |
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s2smanager: Don't fire s2sin-destroyed for sessions that were never fully established (thanks Thomas)
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606 elseif session.type == "s2sin" then |
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parents:
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607 prosody.events.fire_event("s2sin-destroyed", event_data); |
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parents:
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608 if hosts[session.to_host] then |
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parents:
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609 hosts[session.to_host].events.fire_event("s2sin-destroyed", event_data); |
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parents:
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610 end |
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parents:
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611 end |
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parents:
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612 |
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s2smanager: destroy_session(): Pass reason to retire_session() and return true on successful destruction
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613 retire_session(session, reason); -- Clean session until it is GC'd |
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614 return true; |
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other half of previous commit
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615 end |
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616 |
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Just committing this warning, because I want to know if the problem really affects us
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617 return _M; |
