Tue, 14 Dec 2010 15:03:37 +0100
util.encodings: Support for ICU for IDNA operations.
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Remove version number from copyright headers
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1 | -- Prosody IM |
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2 | -- Copyright (C) 2008-2010 Matthew Wild |
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3 | -- Copyright (C) 2008-2010 Waqas Hussain |
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4 | -- |
758 | 5 | -- This project is MIT/X11 licensed. Please see the |
6 | -- COPYING file in the source package for more information. | |
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7 | -- |
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8 | |
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9 | |
148 | 10 | |
11 | local hosts = hosts; | |
12 | local sessions = sessions; | |
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13 | local core_process_stanza = function(a, b) core_process_stanza(a, b); end |
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s2smanager: Timeout DNS requests after 60 seconds (or dns_timeout in config)
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14 | local add_task = require "util.timer".add_task; |
148 | 15 | local socket = require "socket"; |
16 | local format = string.format; | |
337 | 17 | local t_insert, t_sort = table.insert, table.sort; |
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18 | local get_traceback = debug.traceback; |
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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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Port to new server.lua, quite some changes, but I believe everything to be working
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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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Fixed: s2smanager: Apply nameprep on hostnames passed in stream tag (part of issue #57)
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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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s2smanager: Lower default DNS timeout to 15s (it's now a per-DNS-server timeout, rather than total timeout), use net.dns's new timeout system, and remove our custom timeout handlers
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43 | local dns_timeout = config.get("*", "core", "dns_timeout") or 15; |
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core.s2smanager: Don't recurse CNAMEs infinitely :)
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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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s2smanager: Fire s2s{in,out}-established when new s2s connections are ready
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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 | local xmlns = reply.attr.xmlns; |
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74 | if not(xmlns) and bouncy_stanzas[reply.name] then |
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75 | reply.attr.type = "error"; |
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76 | reply:tag("error", {type = "cancel"}) |
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77 | :tag("remote-server-not-found", {xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas"}):up(); |
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78 | if reason then |
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79 | reply:tag("text", {xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas"}):text("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), st.reply(data)}); |
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102 | else host.sendq = { {tostring(data), st.reply(data)} }; end |
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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 | else |
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109 | (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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110 | -- FIXME |
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111 | if host.from_host ~= from_host then |
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112 | log("error", "WARNING! This might, possibly, be a bug, but it might not..."); |
331 | 113 | log("error", "We are going to send from %s instead of %s", tostring(host.from_host), tostring(from_host)); |
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114 | end |
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115 | host.sends2s(data); |
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116 | host.log("debug", "stanza sent over "..host.type); |
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117 | end |
148 | 118 | else |
119 | log("debug", "opening a new outgoing connection for this stanza"); | |
120 | local host_session = new_outgoing(from_host, to_host); | |
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121 | |
148 | 122 | -- Store in buffer |
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123 | host_session.sendq = { {tostring(data), st.reply(data)} }; |
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124 | log("debug", "stanza [%s] queued until connection complete", tostring(data.name)); |
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125 | if (not host_session.connecting) and (not host_session.conn) then |
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126 | log("warn", "Connection to %s failed already, destroying session...", to_host); |
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127 | destroy_session(host_session); |
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128 | end |
148 | 129 | end |
130 | end | |
131 | ||
132 | local open_sessions = 0; | |
133 | ||
134 | function new_incoming(conn) | |
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135 | local session = { conn = conn, type = "s2sin_unauthed", direction = "incoming", hosts = {} }; |
148 | 136 | if true then |
137 | session.trace = newproxy(true); | |
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138 | getmetatable(session.trace).__gc = function () open_sessions = open_sessions - 1; end; |
148 | 139 | end |
140 | open_sessions = open_sessions + 1; | |
343 | 141 | local w, log = conn.write, logger_init("s2sin"..tostring(conn):match("[a-f0-9]+$")); |
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142 | session.log = log; |
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143 | local filter = initialize_filters(session); |
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144 | session.sends2s = function (t) |
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145 | log("debug", "sending: %s", t.top_tag and t:top_tag() or t:match("^([^>]*>?)")); |
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146 | if t.name then |
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147 | t = filter("stanzas/out", t); |
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148 | end |
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149 | if t then |
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150 | t = filter("bytes/out", tostring(t)); |
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151 | if t then |
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152 | return w(conn, t); |
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153 | end |
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154 | end |
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155 | end |
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156 | incoming_s2s[session] = true; |
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157 | add_task(connect_timeout, function () |
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158 | if session.conn ~= conn or |
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159 | session.type == "s2sin" then |
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160 | return; -- Ok, we're connect[ed|ing] |
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161 | end |
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162 | -- Not connected, need to close session and clean up |
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163 | (session.log or log)("warn", "Destroying incomplete session %s->%s due to inactivity", |
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164 | session.from_host or "(unknown)", session.to_host or "(unknown)"); |
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165 | session:close("connection-timeout"); |
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166 | end); |
148 | 167 | return session; |
168 | end | |
169 | ||
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170 | function new_outgoing(from_host, to_host, connect) |
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171 | local host_session = { to_host = to_host, from_host = from_host, host = from_host, |
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172 | notopen = true, type = "s2sout_unauthed", direction = "outgoing", |
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173 | open_stream = session_open_stream }; |
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174 | |
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175 | hosts[from_host].s2sout[to_host] = host_session; |
148 | 176 | |
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177 | local log; |
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178 | do |
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179 | local conn_name = "s2sout"..tostring(host_session):match("[a-f0-9]*$"); |
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180 | log = logger_init(conn_name); |
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181 | host_session.log = log; |
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182 | end |
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183 | |
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184 | initialize_filters(host_session); |
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185 | |
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186 | if connect ~= false then |
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187 | -- Kick the connection attempting machine into life |
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188 | attempt_connection(host_session); |
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189 | end |
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190 | |
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191 | if not host_session.sends2s then |
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192 | -- A sends2s which buffers data (until the stream is opened) |
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193 | -- note that data in this buffer will be sent before the stream is authed |
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194 | -- and will not be ack'd in any way, successful or otherwise |
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195 | local buffer; |
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196 | function host_session.sends2s(data) |
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197 | if not buffer then |
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198 | buffer = {}; |
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199 | host_session.send_buffer = buffer; |
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200 | end |
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201 | log("debug", "Buffering data on unconnected s2sout to %s", to_host); |
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202 | buffer[#buffer+1] = data; |
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203 | log("debug", "Buffered item %d: %s", #buffer, tostring(data)); |
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204 | end |
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205 | end |
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206 | |
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207 | return host_session; |
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208 | end |
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209 | |
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210 | |
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211 | function attempt_connection(host_session, err) |
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212 | local from_host, to_host = host_session.from_host, host_session.to_host; |
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213 | local connect_host, connect_port = to_host and idna_to_ascii(to_host), 5269; |
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214 | |
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215 | if not connect_host then |
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216 | return false; |
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217 | end |
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218 | |
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219 | if not err then -- This is our first attempt |
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220 | log("debug", "First attempt to connect to %s, starting with SRV lookup...", to_host); |
974 | 221 | host_session.connecting = true; |
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222 | local handle; |
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223 | handle = adns.lookup(function (answer) |
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224 | handle = nil; |
974 | 225 | host_session.connecting = nil; |
226 | if answer then | |
227 | log("debug", to_host.." has SRV records, handling..."); | |
228 | local srv_hosts = {}; | |
229 | host_session.srv_hosts = srv_hosts; | |
230 | for _, record in ipairs(answer) do | |
231 | t_insert(srv_hosts, record.srv); | |
232 | end | |
233 | t_sort(srv_hosts, compare_srv_priorities); | |
234 | ||
235 | local srv_choice = srv_hosts[1]; | |
236 | host_session.srv_choice = 1; | |
237 | if srv_choice then | |
238 | connect_host, connect_port = srv_choice.target or to_host, srv_choice.port or connect_port; | |
239 | log("debug", "Best record found, will connect to %s:%d", connect_host, connect_port); | |
240 | end | |
241 | else | |
242 | log("debug", to_host.." has no SRV records, falling back to A"); | |
337 | 243 | end |
974 | 244 | -- Try with SRV, or just the plain hostname if no SRV |
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245 | local ok, err = try_connect(host_session, connect_host, connect_port); |
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246 | if not ok then |
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247 | if not attempt_connection(host_session, err) then |
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248 | -- No more attempts will be made |
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249 | destroy_session(host_session, err); |
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250 | end |
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251 | end |
974 | 252 | end, "_xmpp-server._tcp."..connect_host..".", "SRV"); |
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253 | |
974 | 254 | return true; -- Attempt in progress |
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255 | 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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256 | host_session.srv_choice = host_session.srv_choice + 1; |
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257 | local srv_choice = host_session.srv_hosts[host_session.srv_choice]; |
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258 | connect_host, connect_port = srv_choice.target or to_host, srv_choice.port or connect_port; |
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259 | host_session.log("info", "Connection failed (%s). Attempt #%d: This time to %s:%d", tostring(err), host_session.srv_choice, connect_host, connect_port); |
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260 | else |
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261 | host_session.log("info", "Out of connection options, can't connect to %s", tostring(host_session.to_host)); |
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262 | -- We're out of options |
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263 | return false; |
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264 | end |
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265 | |
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266 | if not (connect_host and connect_port) then |
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267 | -- Likely we couldn't resolve DNS |
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268 | log("warn", "Hmm, we're without a host (%s) and port (%s) to connect to for %s, giving up :(", tostring(connect_host), tostring(connect_port), tostring(to_host)); |
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269 | return false; |
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270 | end |
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271 | |
974 | 272 | return try_connect(host_session, connect_host, connect_port); |
273 | end | |
274 | ||
275 | function try_connect(host_session, connect_host, connect_port) | |
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276 | host_session.connecting = true; |
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277 | local handle; |
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278 | handle = adns.lookup(function (reply) |
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279 | handle = nil; |
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280 | host_session.connecting = nil; |
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281 | |
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282 | -- COMPAT: This is a compromise for all you CNAME-(ab)users :) |
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283 | if not (reply and reply[#reply] and reply[#reply].a) then |
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284 | local count = max_dns_depth; |
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285 | reply = dns.peek(connect_host, "CNAME", "IN"); |
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286 | while count > 0 and reply and reply[#reply] and not reply[#reply].a and reply[#reply].cname do |
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287 | log("debug", "Looking up %s (DNS depth is %d)", tostring(reply[#reply].cname), count); |
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288 | reply = dns.peek(reply[#reply].cname, "A", "IN") or dns.peek(reply[#reply].cname, "CNAME", "IN"); |
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289 | count = count - 1; |
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290 | end |
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291 | end |
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292 | -- end of CNAME resolving |
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293 | |
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294 | if reply and reply[#reply] and reply[#reply].a then |
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295 | log("debug", "DNS reply for %s gives us %s", connect_host, reply[#reply].a); |
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296 | return make_connect(host_session, reply[#reply].a, connect_port); |
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297 | else |
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298 | log("debug", "DNS lookup failed to get a response for %s", connect_host); |
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299 | if not attempt_connection(host_session, "name resolution failed") then -- Retry if we can |
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300 | log("debug", "No other records to try for %s - destroying", host_session.to_host); |
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301 | destroy_session(host_session, "DNS resolution failed"); -- End of the line, we can't |
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302 | end |
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303 | end |
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304 | end, connect_host, "A", "IN"); |
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305 | |
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306 | return true; |
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307 | end |
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308 | |
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309 | function make_connect(host_session, connect_host, connect_port) |
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310 | (host_session.log or log)("info", "Beginning new connection attempt to %s (%s:%d)", host_session.to_host, connect_host, connect_port); |
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311 | -- Ok, we're going to try to connect |
974 | 312 | |
313 | local from_host, to_host = host_session.from_host, host_session.to_host; | |
314 | ||
315 | local conn, handler = socket.tcp() | |
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316 | |
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317 | if not conn then |
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318 | log("warn", "Failed to create outgoing connection, system error: %s", handler); |
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319 | return false, handler; |
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320 | end |
974 | 321 | |
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322 | conn:settimeout(0); |
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323 | local success, err = conn:connect(connect_host, connect_port); |
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324 | if not success and err ~= "timeout" then |
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325 | log("warn", "s2s connect() to %s (%s:%d) failed: %s", host_session.to_host, connect_host, connect_port, err); |
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326 | return false, err; |
434
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327 | end |
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328 | |
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329 | local cl = connlisteners_get("xmppserver"); |
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330 | conn = wrapclient(conn, connect_host, connect_port, cl, cl.default_mode or 1 ); |
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331 | host_session.conn = conn; |
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332 | |
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333 | local filter = initialize_filters(host_session); |
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334 | local w, log = conn.write, host_session.log; |
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335 | host_session.sends2s = function (t) |
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336 | log("debug", "sending: %s", (t.top_tag and t:top_tag()) or t:match("^[^>]*>?")); |
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337 | if t.name then |
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338 | t = filter("stanzas/out", t); |
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339 | end |
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340 | if t then |
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341 | t = filter("bytes/out", tostring(t)); |
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342 | if t then |
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343 | return w(conn, tostring(t)); |
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344 | end |
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345 | end |
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346 | end |
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347 | |
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348 | -- Register this outgoing connection so that xmppserver_listener knows about it |
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349 | -- otherwise it will assume it is a new incoming connection |
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350 | cl.register_outgoing(conn, host_session); |
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351 | |
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352 | host_session:open_stream(from_host, to_host); |
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353 | |
974 | 354 | log("debug", "Connection attempt in progress..."); |
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355 | add_task(connect_timeout, function () |
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356 | if host_session.conn ~= conn or |
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357 | host_session.type == "s2sout" or |
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358 | host_session.connecting then |
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359 | return; -- Ok, we're connect[ed|ing] |
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360 | end |
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361 | -- Not connected, need to close session and clean up |
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362 | (host_session.log or log)("warn", "Destroying incomplete session %s->%s due to inactivity", |
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363 | host_session.from_host or "(unknown)", host_session.to_host or "(unknown)"); |
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364 | host_session:close("connection-timeout"); |
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365 | end); |
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366 | return true; |
148 | 367 | end |
368 | ||
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369 | function session_open_stream(session, from, to) |
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370 | session.sends2s(st.stanza("stream:stream", { |
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371 | xmlns='jabber:server', ["xmlns:db"]='jabber:server:dialback', |
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372 | ["xmlns:stream"]='http://etherx.jabber.org/streams', |
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373 | from=from, to=to, version='1.0', ["xml:lang"]='en'}):top_tag()); |
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374 | end |
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375 | |
148 | 376 | function streamopened(session, attr) |
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377 | local send = session.sends2s; |
148 | 378 | |
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379 | -- TODO: #29: SASL/TLS on s2s streams |
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380 | session.version = tonumber(attr.version) or 0; |
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381 | |
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382 | if session.secure == false then |
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383 | session.secure = true; |
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|
384 | end |
84027581c995
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parents:
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diff
changeset
|
385 | |
148 | 386 | if session.direction == "incoming" then |
387 | -- Send a reply stream header | |
938
663f75dd7b42
Fixed: Some nil access bugs
Waqas Hussain <waqas20@gmail.com>
parents:
931
diff
changeset
|
388 | session.to_host = attr.to and nameprep(attr.to); |
663f75dd7b42
Fixed: Some nil access bugs
Waqas Hussain <waqas20@gmail.com>
parents:
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diff
changeset
|
389 | session.from_host = attr.from and nameprep(attr.from); |
148 | 390 | |
391 | session.streamid = uuid_gen(); | |
360
e918c979ad1a
Remove or comment useless prints, or change them to log()
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parents:
354
diff
changeset
|
392 | (session.log or log)("debug", "incoming s2s received <stream:stream>"); |
3383
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parents:
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diff
changeset
|
393 | if session.to_host then |
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changeset
|
394 | if not hosts[session.to_host] then |
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|
395 | -- Attempting to connect to a host we don't serve |
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changeset
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396 | session:close({ |
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397 | condition = "host-unknown"; |
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|
398 | text = "This host does not serve "..session.to_host |
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|
399 | }); |
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changeset
|
400 | return; |
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changeset
|
401 | elseif hosts[session.to_host].disallow_s2s then |
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402 | -- Attempting to connect to a host that disallows s2s |
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changeset
|
403 | session:close({ |
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404 | condition = "policy-violation"; |
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changeset
|
405 | text = "Server-to-server communication is not allowed to this host"; |
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changeset
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406 | }); |
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changeset
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407 | return; |
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diff
changeset
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408 | end |
331 | 409 | end |
2780
f8232abcab2a
s2smanager: Send reply stream header only after checking we serve this host (sorry darkrain... :) )
Matthew Wild <mwild1@gmail.com>
parents:
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diff
changeset
|
410 | send("<?xml version='1.0'?>"); |
2419
00d985639a06
s2smanager: Trim trailing whitespace
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diff
changeset
|
411 | send(stanza("stream:stream", { xmlns='jabber:server', ["xmlns:db"]='jabber:server:dialback', |
2787
1067a454a068
s2smanager: Stamp a 'to' on the reply stream:stream. This makes prosody happy.
Paul Aurich <paul@darkrain42.org>
parents:
2783
diff
changeset
|
412 | ["xmlns:stream"]='http://etherx.jabber.org/streams', id=session.streamid, from=session.to_host, to=session.from_host, version=(session.version > 0 and "1.0" or nil) }):top_tag()); |
345
6a7acfc1c933
Send version=1.0 in s2s stream header. Send s2s stream:features when in 1.0 mode.
Matthew Wild <mwild1@gmail.com>
parents:
344
diff
changeset
|
413 | if session.version >= 1.0 then |
1889
e875833ae08e
s2smanager: Send stream:features for incoming s2s connections which support XMPP 1.0
Matthew Wild <mwild1@gmail.com>
parents:
1888
diff
changeset
|
414 | local features = st.stanza("stream:features"); |
2780
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s2smanager: Send reply stream header only after checking we serve this host (sorry darkrain... :) )
Matthew Wild <mwild1@gmail.com>
parents:
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diff
changeset
|
415 | |
1936
a6ca0dcc7b83
s2smanager: Make s2s-stream-features a per-host event
Matthew Wild <mwild1@gmail.com>
parents:
1930
diff
changeset
|
416 | if session.to_host then |
2613
afa20941e098
s2smanager, mod_compression, mod_tls: Changed event.session to event.origin for s2s-stream-features event for consistency.
Waqas Hussain <waqas20@gmail.com>
parents:
2545
diff
changeset
|
417 | hosts[session.to_host].events.fire_event("s2s-stream-features", { origin = session, features = features }); |
1936
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parents:
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diff
changeset
|
418 | else |
a6ca0dcc7b83
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diff
changeset
|
419 | (session.log or log)("warn", "No 'to' on stream header from %s means we can't offer any features", session.from_host or "unknown host"); |
a6ca0dcc7b83
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parents:
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diff
changeset
|
420 | end |
1889
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421 | |
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changeset
|
422 | log("debug", "Sending stream features: %s", tostring(features)); |
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changeset
|
423 | send(features); |
345
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Send version=1.0 in s2s stream header. Send s2s stream:features when in 1.0 mode.
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diff
changeset
|
424 | end |
148 | 425 | elseif session.direction == "outgoing" then |
426 | -- If we are just using the connection for verifying dialback keys, we won't try and auth it | |
190
1e993b7deae7
General fixes for s2s, to make it more robust (I hope), sending data to remote hosts sane (s2ssession.send() works as expected), recycle outgoing dialback connections, etc.
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parents:
186
diff
changeset
|
427 | if not attr.id then error("stream response did not give us a streamid!!!"); end |
1e993b7deae7
General fixes for s2s, to make it more robust (I hope), sending data to remote hosts sane (s2ssession.send() works as expected), recycle outgoing dialback connections, etc.
Matthew Wild <mwild1@gmail.com>
parents:
186
diff
changeset
|
428 | session.streamid = attr.id; |
1e993b7deae7
General fixes for s2s, to make it more robust (I hope), sending data to remote hosts sane (s2ssession.send() works as expected), recycle outgoing dialback connections, etc.
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parents:
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diff
changeset
|
429 | |
1013
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changeset
|
430 | -- Send unauthed buffer |
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changeset
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431 | -- (stanzas which are fine to send before dialback) |
2419
00d985639a06
s2smanager: Trim trailing whitespace
Matthew Wild <mwild1@gmail.com>
parents:
2382
diff
changeset
|
432 | -- Note that this is *not* the stanza queue (which |
1013
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
1012
diff
changeset
|
433 | -- we can only send if auth succeeds) :) |
c500d4cb7855
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parents:
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changeset
|
434 | local send_buffer = session.send_buffer; |
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core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
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changeset
|
435 | if send_buffer and #send_buffer > 0 then |
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Matthew Wild <mwild1@gmail.com>
parents:
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diff
changeset
|
436 | log("debug", "Sending s2s send_buffer now..."); |
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parents:
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diff
changeset
|
437 | for i, data in ipairs(send_buffer) do |
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core.s2smanager: Buffer data sent before connection
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parents:
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diff
changeset
|
438 | session.sends2s(tostring(data)); |
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core.s2smanager: Buffer data sent before connection
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diff
changeset
|
439 | send_buffer[i] = nil; |
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core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
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changeset
|
440 | end |
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
1012
diff
changeset
|
441 | end |
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
1012
diff
changeset
|
442 | session.send_buffer = nil; |
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
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diff
changeset
|
443 | |
1890
aed0d8a0cca8
s2smanager: Don't wait for stream:features from non-XMPP-1.0 hosts
Matthew Wild <mwild1@gmail.com>
parents:
1889
diff
changeset
|
444 | -- If server is pre-1.0, don't wait for features, just do dialback |
aed0d8a0cca8
s2smanager: Don't wait for stream:features from non-XMPP-1.0 hosts
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parents:
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diff
changeset
|
445 | if session.version < 1.0 then |
aed0d8a0cca8
s2smanager: Don't wait for stream:features from non-XMPP-1.0 hosts
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parents:
1889
diff
changeset
|
446 | if not session.dialback_verifying then |
1894
53f34ba6f6d6
Minor changes; outgoing TLS works.
Paul Aurich <paul@darkrain42.org>
parents:
1891
diff
changeset
|
447 | log("debug", "Initiating dialback..."); |
1890
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s2smanager: Don't wait for stream:features from non-XMPP-1.0 hosts
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diff
changeset
|
448 | initiate_dialback(session); |
aed0d8a0cca8
s2smanager: Don't wait for stream:features from non-XMPP-1.0 hosts
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parents:
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changeset
|
449 | else |
aed0d8a0cca8
s2smanager: Don't wait for stream:features from non-XMPP-1.0 hosts
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changeset
|
450 | mark_connected(session); |
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|
451 | end |
148 | 452 | end |
453 | end | |
454 | session.notopen = nil; | |
455 | end | |
456 | ||
959
e3db909065f2
sessionmanager, s2smanager, mod_component: Send reply </stream:stream> when client closes stream
Matthew Wild <mwild1@gmail.com>
parents:
938
diff
changeset
|
457 | function streamclosed(session) |
2747
168104895051
sessionmanager, s2smanager: Close session on </stream:stream>
Matthew Wild <mwild1@gmail.com>
parents:
2746
diff
changeset
|
458 | (session.log or log)("debug", "Received </stream:stream>"); |
168104895051
sessionmanager, s2smanager: Close session on </stream:stream>
Matthew Wild <mwild1@gmail.com>
parents:
2746
diff
changeset
|
459 | session:close(); |
959
e3db909065f2
sessionmanager, s2smanager, mod_component: Send reply </stream:stream> when client closes stream
Matthew Wild <mwild1@gmail.com>
parents:
938
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changeset
|
460 | end |
e3db909065f2
sessionmanager, s2smanager, mod_component: Send reply </stream:stream> when client closes stream
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changeset
|
461 | |
190
1e993b7deae7
General fixes for s2s, to make it more robust (I hope), sending data to remote hosts sane (s2ssession.send() works as expected), recycle outgoing dialback connections, etc.
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diff
changeset
|
462 | function initiate_dialback(session) |
1e993b7deae7
General fixes for s2s, to make it more robust (I hope), sending data to remote hosts sane (s2ssession.send() works as expected), recycle outgoing dialback connections, etc.
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diff
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|
463 | -- generate dialback key |
1e993b7deae7
General fixes for s2s, to make it more robust (I hope), sending data to remote hosts sane (s2ssession.send() works as expected), recycle outgoing dialback connections, etc.
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|
464 | session.dialback_key = generate_dialback(session.streamid, session.to_host, session.from_host); |
1e993b7deae7
General fixes for s2s, to make it more robust (I hope), sending data to remote hosts sane (s2ssession.send() works as expected), recycle outgoing dialback connections, etc.
Matthew Wild <mwild1@gmail.com>
parents:
186
diff
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|
465 | session.sends2s(format("<db:result from='%s' to='%s'>%s</db:result>", session.from_host, session.to_host, session.dialback_key)); |
1e993b7deae7
General fixes for s2s, to make it more robust (I hope), sending data to remote hosts sane (s2ssession.send() works as expected), recycle outgoing dialback connections, etc.
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diff
changeset
|
466 | session.log("info", "sent dialback key on outgoing s2s stream"); |
1e993b7deae7
General fixes for s2s, to make it more robust (I hope), sending data to remote hosts sane (s2ssession.send() works as expected), recycle outgoing dialback connections, etc.
Matthew Wild <mwild1@gmail.com>
parents:
186
diff
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|
467 | end |
1e993b7deae7
General fixes for s2s, to make it more robust (I hope), sending data to remote hosts sane (s2ssession.send() works as expected), recycle outgoing dialback connections, etc.
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parents:
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diff
changeset
|
468 | |
148 | 469 | function generate_dialback(id, to, from) |
2420
6ccd36a95a81
s2smanager, hostmanager: Make dialback secrets per-host
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parents:
2419
diff
changeset
|
470 | return sha256_hash(id..to..from..hosts[from].dialback_secret, true); |
148 | 471 | end |
472 | ||
473 | function verify_dialback(id, to, from, key) | |
474 | return key == generate_dialback(id, to, from); | |
475 | end | |
476 | ||
621
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Add support for dialback piggy-backing. Fixes #37. Thanks to CShadowRun for helping me test :)
Matthew Wild <mwild1@gmail.com>
parents:
615
diff
changeset
|
477 | function make_authenticated(session, host) |
2799
0dc7b5ceaf8f
s2smanager: Make require_s2s_encryption do what it says on the tin
Matthew Wild <mwild1@gmail.com>
parents:
2787
diff
changeset
|
478 | if not session.secure then |
0dc7b5ceaf8f
s2smanager: Make require_s2s_encryption do what it says on the tin
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parents:
2787
diff
changeset
|
479 | local local_host = session.direction == "incoming" and session.to_host or session.from_host; |
2801
0323bdb1fcfa
s2smanager: Fix syntax error)
Matthew Wild <mwild1@gmail.com>
parents:
2800
diff
changeset
|
480 | if config.get(local_host, "core", "s2s_require_encryption") then |
2799
0dc7b5ceaf8f
s2smanager: Make require_s2s_encryption do what it says on the tin
Matthew Wild <mwild1@gmail.com>
parents:
2787
diff
changeset
|
481 | session:close({ |
0dc7b5ceaf8f
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parents:
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diff
changeset
|
482 | condition = "policy-violation", |
0dc7b5ceaf8f
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parents:
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diff
changeset
|
483 | text = "Encrypted server-to-server communication is required but was not " |
0dc7b5ceaf8f
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|
484 | ..((session.direction == "outgoing" and "offered") or "used") |
0dc7b5ceaf8f
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changeset
|
485 | }); |
0dc7b5ceaf8f
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|
486 | end |
0dc7b5ceaf8f
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diff
changeset
|
487 | end |
148 | 488 | if session.type == "s2sout_unauthed" then |
489 | session.type = "s2sout"; | |
490 | elseif session.type == "s2sin_unauthed" then | |
491 | session.type = "s2sin"; | |
621
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Add support for dialback piggy-backing. Fixes #37. Thanks to CShadowRun for helping me test :)
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parents:
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diff
changeset
|
492 | if host then |
3648
2b80450bd7ae
s2smanager: Compatibility hack for when not using dialback
Paul Aurich <paul@darkrain42.org>
parents:
3540
diff
changeset
|
493 | if not session.hosts[host] then session.hosts[host] = {}; end |
621
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Add support for dialback piggy-backing. Fixes #37. Thanks to CShadowRun for helping me test :)
Matthew Wild <mwild1@gmail.com>
parents:
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diff
changeset
|
494 | session.hosts[host].authed = true; |
cd2cab5400fc
Add support for dialback piggy-backing. Fixes #37. Thanks to CShadowRun for helping me test :)
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parents:
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diff
changeset
|
495 | 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
|
496 | elseif session.type == "s2sin" and host then |
3648
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s2smanager: Compatibility hack for when not using dialback
Paul Aurich <paul@darkrain42.org>
parents:
3540
diff
changeset
|
497 | if not session.hosts[host] then session.hosts[host] = {}; end |
621
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Add support for dialback piggy-backing. Fixes #37. Thanks to CShadowRun for helping me test :)
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parents:
615
diff
changeset
|
498 | session.hosts[host].authed = true; |
148 | 499 | else |
500 | return false; | |
501 | end | |
1075
831c84cbf5fa
s2smanager: Miscellaneous logging improvements, changing levels, improving messages and using session loggers where possible
Matthew Wild <mwild1@gmail.com>
parents:
1013
diff
changeset
|
502 | session.log("debug", "connection %s->%s is now authenticated", session.from_host or "(unknown)", session.to_host or "(unknown)"); |
148 | 503 | |
504 | mark_connected(session); | |
505 | ||
506 | return true; | |
507 | end | |
508 | ||
1891 | 509 | -- Stream is authorised, and ready for normal stanzas |
148 | 510 | function mark_connected(session) |
186
bfa8a30ea488
sends2s -> s2s_session.send(), s2s_session.send() -> s2s_session.sends2s()
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parents:
179
diff
changeset
|
511 | local sendq, send = session.sendq, session.sends2s; |
bfa8a30ea488
sends2s -> s2s_session.send(), s2s_session.send() -> s2s_session.sends2s()
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diff
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|
512 | |
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513 | local from, to = session.from_host, session.to_host; |
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514 | |
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515 | session.log("info", session.direction.." s2s connection "..from.."->"..to.." complete"); |
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516 | |
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517 | local send_to_host = send_to_host; |
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518 | function session.send(data) send_to_host(to, from, data); end |
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519 | |
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520 | local event_data = { session = session }; |
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521 | if session.type == "s2sout" then |
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522 | prosody.events.fire_event("s2sout-established", event_data); |
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523 | hosts[session.from_host].events.fire_event("s2sout-established", event_data); |
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524 | else |
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525 | prosody.events.fire_event("s2sin-established", event_data); |
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526 | hosts[session.to_host].events.fire_event("s2sin-established", event_data); |
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527 | end |
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528 | |
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529 | if session.direction == "outgoing" then |
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530 | if sendq then |
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531 | session.log("debug", "sending "..#sendq.." queued stanzas across new outgoing connection to "..session.to_host); |
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532 | for i, data in ipairs(sendq) do |
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533 | send(data[1]); |
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534 | sendq[i] = nil; |
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535 | end |
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536 | session.sendq = nil; |
148 | 537 | end |
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538 | |
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539 | session.srv_hosts = nil; |
148 | 540 | end |
541 | end | |
542 | ||
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543 | local resting_session = { -- Resting, not dead |
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544 | destroyed = true; |
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545 | type = "s2s_destroyed"; |
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546 | open_stream = function (session) |
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547 | session.log("debug", "Attempt to open stream on resting session"); |
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548 | end; |
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549 | close = function (session) |
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550 | session.log("debug", "Attempt to close already-closed session"); |
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551 | end; |
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552 | filter = function (type, data) return data; end; |
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553 | }; resting_session.__index = resting_session; |
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554 | |
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555 | function retire_session(session) |
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556 | local log = session.log or log; |
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557 | for k in pairs(session) do |
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558 | if k ~= "trace" and k ~= "log" and k ~= "id" then |
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559 | session[k] = nil; |
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560 | end |
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561 | end |
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562 | |
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563 | function session.send(data) log("debug", "Discarding data sent to resting session: %s", tostring(data)); end |
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564 | function session.data(data) log("debug", "Discarding data received from resting session: %s", tostring(data)); end |
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565 | return setmetatable(session, resting_session); |
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566 | end |
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diff
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567 | |
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568 | function destroy_session(session, reason) |
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569 | if session.destroyed then return; end |
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570 | (session.log or log)("info", "Destroying "..tostring(session.direction).." session "..tostring(session.from_host).."->"..tostring(session.to_host)); |
331 | 571 | |
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572 | if session.direction == "outgoing" then |
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573 | hosts[session.from_host].s2sout[session.to_host] = nil; |
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574 | bounce_sendq(session, reason); |
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575 | elseif session.direction == "incoming" then |
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576 | incoming_s2s[session] = nil; |
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577 | end |
331 | 578 | |
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579 | local event_data = { session = session, reason = reason }; |
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580 | if session.type == "s2sout" then |
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581 | prosody.events.fire_event("s2sout-destroyed", event_data); |
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582 | if hosts[session.from_host] then |
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583 | hosts[session.from_host].events.fire_event("s2sout-destroyed", event_data); |
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584 | end |
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585 | elseif session.type == "s2sin" then |
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586 | prosody.events.fire_event("s2sin-destroyed", event_data); |
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587 | if hosts[session.to_host] then |
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588 | hosts[session.to_host].events.fire_event("s2sin-destroyed", event_data); |
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589 | end |
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590 | end |
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591 | |
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592 | retire_session(session); -- Clean session until it is GC'd |
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593 | end |
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594 | |
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595 | return _M; |