Software / code / prosody
Annotate
core/s2smanager.lua @ 3960:bb8a064883fc
s2smanager: Destroy session on immediate failure of a connection attempt (e.g. inability to create sockets)
| author | Matthew Wild <mwild1@gmail.com> |
|---|---|
| date | Fri, 24 Dec 2010 04:58:09 +0000 |
| parent | 3959:32a2a4f522f8 |
| child | 4078:05a58497a903 |
| rev | line source |
|---|---|
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Remove version number from copyright headers
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1 -- Prosody IM |
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Update copyright headers for 2010
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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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Insert copyright/license headers
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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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dea89234e545
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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Monster whitespace commit (beware the whitespace monster).
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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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244
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Missed importing a function in last commit
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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; |
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core.s2smanager, mod_console, mod_saslauth, util.certverification: rename util.certverification to util.x509
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30 local cert_verify_identity = require "util.x509".verify_identity; |
| 148 | 31 |
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s2smanager: Remove dependency on eventmanager
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32 local fire_event = prosody.events.fire_event; |
| 148 | 33 local uuid_gen = require "util.uuid".generate; |
| 34 | |
| 35 local logger_init = require "util.logger".init; | |
| 36 | |
| 37 local log = logger_init("s2smanager"); | |
| 38 | |
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Switched from md5 to sha256 for dialback key generation
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39 local sha256_hash = require "util.hashes".sha256; |
| 148 | 40 |
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s2smanager: Compatibility with domains which use CNAMEs
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41 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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42 local config = require "core.configmanager"; |
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s2smanager: Timeout unauthed s2s connections
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43 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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44 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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45 local max_dns_depth = config.get("*", "core", "dns_max_depth") or 3; |
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46 |
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47 dns.settimeout(dns_timeout); |
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48 |
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s2smanager: Fire s2s{in,out}-established when new s2s connections are ready
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49 local prosody = _G.prosody; |
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Add support for dialback piggy-backing. Fixes #37. Thanks to CShadowRun for helping me test :)
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50 incoming_s2s = {}; |
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51 prosody.incoming_s2s = incoming_s2s; |
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52 local incoming_s2s = incoming_s2s; |
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53 |
| 148 | 54 module "s2smanager" |
| 55 | |
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s2smanager: Fix for the logic SRV record priority comparison (thanks darkrain)
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56 function compare_srv_priorities(a,b) |
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57 return a.priority < b.priority or (a.priority == b.priority and a.weight > b.weight); |
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58 end |
| 337 | 59 |
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s2smanager: Only bounce real stanzas on s2s failure, not dialback and friends (thanks elghinn)
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60 local bouncy_stanzas = { message = true, presence = true, iq = true }; |
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s2smanager: Have both destroy_session and bounce_sendq accept a reason string to include in bounced stanzas
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61 local function bounce_sendq(session, reason) |
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62 local sendq = session.sendq; |
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63 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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64 session.log("info", "sending error replies for "..#sendq.." queued stanzas because of failed outgoing connection to "..tostring(session.to_host)); |
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65 local dummy = { |
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66 type = "s2sin"; |
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67 send = function(s) |
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68 (session.log or log)("error", "Replying to to an s2s error reply, please report this! Traceback: %s", get_traceback()); |
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69 end; |
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70 dummy = true; |
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71 }; |
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72 for i, data in ipairs(sendq) do |
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73 local reply = data[2]; |
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74 local xmlns = reply.attr.xmlns; |
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s2smanager: brackets, just to be sure :)
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75 if not(xmlns) and bouncy_stanzas[reply.name] then |
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76 reply.attr.type = "error"; |
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77 reply:tag("error", {type = "cancel"}) |
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78 :tag("remote-server-not-found", {xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas"}):up(); |
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79 if reason then |
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80 reply:tag("text", {xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas"}):text("Connection failed: "..reason):up(); |
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81 end |
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82 core_process_stanza(dummy, reply); |
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83 end |
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84 sendq[i] = nil; |
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85 end |
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86 session.sendq = nil; |
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87 end |
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88 end |
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89 |
| 148 | 90 function send_to_host(from_host, to_host, data) |
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91 if not hosts[from_host] then |
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92 log("warn", "Attempt to send stanza from %s - a host we don't serve", from_host); |
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93 return false; |
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94 end |
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95 local host = hosts[from_host].s2sout[to_host]; |
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General fixes for s2s, to make it more robust (I hope), sending data to remote hosts sane (s2ssession.send() works as expected), recycle outgoing dialback connections, etc.
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96 if host then |
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Some s2s fixes. Now connect() does not block, and stanzas are not lost when connection is slow
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97 -- 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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98 if host.type == "s2sout_unauthed" and (data.name ~= "db:verify" or not host.dialback_key) then |
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Fix for s2s with jabberd2 (we weren't routing db:verify's over s2sout_unauthed)
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99 (host.log or log)("debug", "trying to send over unauthed s2sout to "..to_host); |
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100 |
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101 -- Queue stanza until we are able to send it |
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102 if host.sendq then t_insert(host.sendq, {tostring(data), st.reply(data)}); |
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103 else host.sendq = { {tostring(data), st.reply(data)} }; end |
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Remove an incorrect line which I didn't add, and fix the proper way. Corrects the sending of stanzas over unauthed s2sout's. Also fixes mod_dialback to send stanzas and not strings.
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104 host.log("debug", "stanza [%s] queued ", data.name); |
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105 elseif host.type == "local" or host.type == "component" then |
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106 log("error", "Trying to send a stanza to ourselves??") |
| 256 | 107 log("error", "Traceback: %s", get_traceback()); |
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258
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Yep, s2s definitely works now. This is just a small fix for logging...
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108 log("error", "Stanza: %s", tostring(data)); |
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109 return false; |
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110 else |
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111 (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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112 -- FIXME |
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113 if host.from_host ~= from_host then |
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114 log("error", "WARNING! This might, possibly, be a bug, but it might not..."); |
| 331 | 115 log("error", "We are going to send from %s instead of %s", tostring(host.from_host), tostring(from_host)); |
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116 end |
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117 host.sends2s(data); |
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118 host.log("debug", "stanza sent over "..host.type); |
|
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119 end |
| 148 | 120 else |
| 121 log("debug", "opening a new outgoing connection for this stanza"); | |
| 122 local host_session = new_outgoing(from_host, to_host); | |
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123 |
| 148 | 124 -- Store in buffer |
|
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125 host_session.sendq = { {tostring(data), st.reply(data)} }; |
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126 log("debug", "stanza [%s] queued until connection complete", tostring(data.name)); |
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127 if (not host_session.connecting) and (not host_session.conn) then |
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128 log("warn", "Connection to %s failed already, destroying session...", to_host); |
|
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129 if not destroy_session(host_session, "Connection failed") then |
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130 -- Already destroyed, we need to bounce our stanza |
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131 bounce_sendq(host_session, host_session.destruction_reason); |
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132 end |
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133 return false; |
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134 end |
| 148 | 135 end |
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136 return true; |
| 148 | 137 end |
| 138 | |
| 139 local open_sessions = 0; | |
| 140 | |
| 141 function new_incoming(conn) | |
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142 local session = { conn = conn, type = "s2sin_unauthed", direction = "incoming", hosts = {} }; |
| 148 | 143 if true then |
| 144 session.trace = newproxy(true); | |
|
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145 getmetatable(session.trace).__gc = function () open_sessions = open_sessions - 1; end; |
| 148 | 146 end |
| 147 open_sessions = open_sessions + 1; | |
| 343 | 148 local w, log = conn.write, logger_init("s2sin"..tostring(conn):match("[a-f0-9]+$")); |
|
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149 session.log = log; |
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150 local filter = initialize_filters(session); |
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151 session.sends2s = function (t) |
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152 log("debug", "sending: %s", t.top_tag and t:top_tag() or t:match("^([^>]*>?)")); |
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153 if t.name then |
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154 t = filter("stanzas/out", t); |
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155 end |
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156 if t then |
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157 t = filter("bytes/out", tostring(t)); |
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158 if t then |
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159 return w(conn, t); |
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160 end |
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161 end |
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162 end |
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163 incoming_s2s[session] = true; |
|
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164 add_task(connect_timeout, function () |
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165 if session.conn ~= conn or |
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166 session.type == "s2sin" then |
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167 return; -- Ok, we're connect[ed|ing] |
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168 end |
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169 -- Not connected, need to close session and clean up |
|
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170 (session.log or log)("warn", "Destroying incomplete session %s->%s due to inactivity", |
|
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171 session.from_host or "(unknown)", session.to_host or "(unknown)"); |
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172 session:close("connection-timeout"); |
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173 end); |
| 148 | 174 return session; |
| 175 end | |
| 176 | |
|
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177 function new_outgoing(from_host, to_host, connect) |
|
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178 local host_session = { to_host = to_host, from_host = from_host, host = from_host, |
|
2426
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179 notopen = true, type = "s2sout_unauthed", direction = "outgoing", |
|
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180 open_stream = session_open_stream }; |
|
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diff
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181 |
|
260
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diff
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|
182 hosts[from_host].s2sout[to_host] = host_session; |
| 148 | 183 |
|
3953
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184 host_session.close = destroy_session; -- This gets replaced by xmppserver_listener later |
|
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185 |
|
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186 local log; |
|
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187 do |
|
543
cf6e19ea1cbc
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diff
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|
188 local conn_name = "s2sout"..tostring(host_session):match("[a-f0-9]*$"); |
|
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189 log = logger_init(conn_name); |
|
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190 host_session.log = log; |
|
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|
191 end |
|
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|
192 |
|
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193 initialize_filters(host_session); |
|
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194 |
|
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195 if connect ~= false then |
|
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|
196 -- Kick the connection attempting machine into life |
|
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|
197 if not attempt_connection(host_session) then |
|
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198 -- Intentionally not returning here, the |
|
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|
199 -- session is needed, connected or not |
|
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|
200 destroy_session(host_session); |
|
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|
201 end |
|
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|
202 end |
|
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|
203 |
|
2419
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|
204 if not host_session.sends2s then |
|
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|
205 -- A sends2s which buffers data (until the stream is opened) |
|
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|
206 -- note that data in this buffer will be sent before the stream is authed |
|
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|
207 -- and will not be ack'd in any way, successful or otherwise |
|
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|
208 local buffer; |
|
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|
209 function host_session.sends2s(data) |
|
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|
210 if not buffer then |
|
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|
211 buffer = {}; |
|
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|
212 host_session.send_buffer = buffer; |
|
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|
213 end |
|
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|
214 log("debug", "Buffering data on unconnected s2sout to %s", to_host); |
|
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|
215 buffer[#buffer+1] = data; |
|
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|
216 log("debug", "Buffered item %d: %s", #buffer, tostring(data)); |
|
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|
217 end |
|
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|
218 end |
|
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|
219 |
|
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|
220 return host_session; |
|
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|
221 end |
|
353
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Remove an old FIXME comment
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diff
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|
222 |
|
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|
223 |
|
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|
224 function attempt_connection(host_session, err) |
|
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|
225 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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|
226 local connect_host, connect_port = to_host and idna_to_ascii(to_host), 5269; |
|
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227 |
|
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228 if not connect_host then |
|
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229 return false; |
|
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230 end |
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|
231 |
|
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|
232 if not err then -- This is our first attempt |
|
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|
233 log("debug", "First attempt to connect to %s, starting with SRV lookup...", to_host); |
| 974 | 234 host_session.connecting = true; |
|
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s2smanager: Pass A-record lookups through adns module
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|
235 local handle; |
|
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|
236 handle = adns.lookup(function (answer) |
|
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|
237 handle = nil; |
| 974 | 238 host_session.connecting = nil; |
| 239 if answer then | |
| 240 log("debug", to_host.." has SRV records, handling..."); | |
| 241 local srv_hosts = {}; | |
| 242 host_session.srv_hosts = srv_hosts; | |
| 243 for _, record in ipairs(answer) do | |
| 244 t_insert(srv_hosts, record.srv); | |
| 245 end | |
| 246 t_sort(srv_hosts, compare_srv_priorities); | |
| 247 | |
| 248 local srv_choice = srv_hosts[1]; | |
| 249 host_session.srv_choice = 1; | |
| 250 if srv_choice then | |
| 251 connect_host, connect_port = srv_choice.target or to_host, srv_choice.port or connect_port; | |
| 252 log("debug", "Best record found, will connect to %s:%d", connect_host, connect_port); | |
| 253 end | |
| 254 else | |
| 255 log("debug", to_host.." has no SRV records, falling back to A"); | |
| 337 | 256 end |
| 974 | 257 -- Try with SRV, or just the plain hostname if no SRV |
|
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parents:
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diff
changeset
|
258 local ok, err = try_connect(host_session, connect_host, connect_port); |
|
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|
259 if not ok then |
|
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diff
changeset
|
260 if not attempt_connection(host_session, err) then |
|
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diff
changeset
|
261 -- No more attempts will be made |
|
2783
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2781
diff
changeset
|
262 destroy_session(host_session, err); |
|
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changeset
|
263 end |
|
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diff
changeset
|
264 end |
| 974 | 265 end, "_xmpp-server._tcp."..connect_host..".", "SRV"); |
|
1204
dea89234e545
s2smanager: Timeout DNS requests after 60 seconds (or dns_timeout in config)
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parents:
1199
diff
changeset
|
266 |
| 974 | 267 return true; -- Attempt in progress |
|
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diff
changeset
|
268 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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|
269 host_session.srv_choice = host_session.srv_choice + 1; |
|
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diff
changeset
|
270 local srv_choice = host_session.srv_hosts[host_session.srv_choice]; |
|
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diff
changeset
|
271 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
|
272 host_session.log("info", "Connection failed (%s). Attempt #%d: This time to %s:%d", tostring(err), host_session.srv_choice, connect_host, connect_port); |
|
434
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diff
changeset
|
273 else |
|
1075
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Matthew Wild <mwild1@gmail.com>
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1007
diff
changeset
|
274 host_session.log("info", "Out of connection options, can't connect to %s", tostring(host_session.to_host)); |
|
434
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diff
changeset
|
275 -- We're out of options |
|
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|
276 return false; |
|
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diff
changeset
|
277 end |
|
0d7ba3742f7a
(Basic) IDNA and SRV fallback support
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parents:
360
diff
changeset
|
278 |
|
960
6bc16062da6c
core.s2smanager: Check for valid host and port before attempting connection
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diff
changeset
|
279 if not (connect_host and connect_port) then |
|
6bc16062da6c
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diff
changeset
|
280 -- Likely we couldn't resolve DNS |
|
1006
9166d7a8c3c0
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parents:
995
diff
changeset
|
281 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
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diff
changeset
|
282 return false; |
|
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diff
changeset
|
283 end |
|
6bc16062da6c
core.s2smanager: Check for valid host and port before attempting connection
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diff
changeset
|
284 |
| 974 | 285 return try_connect(host_session, connect_host, connect_port); |
| 286 end | |
| 287 | |
| 288 function try_connect(host_session, connect_host, connect_port) | |
|
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|
289 host_session.connecting = true; |
|
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|
290 local handle; |
|
3959
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s2smanager: Handle DNS lookup error in response handler
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diff
changeset
|
291 handle = adns.lookup(function (reply, err) |
|
1791
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diff
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|
292 handle = nil; |
|
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diff
changeset
|
293 host_session.connecting = nil; |
|
1793
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diff
changeset
|
294 |
|
1fc6c2822e6b
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diff
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|
295 -- COMPAT: This is a compromise for all you CNAME-(ab)users :) |
|
1828
48cb27e2716e
core.s2smanager: Always use last record in the DNS cache
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parents:
1805
diff
changeset
|
296 if not (reply and reply[#reply] and reply[#reply].a) then |
|
1805
7e41ad68fe3c
core.s2smanager: Don't recurse CNAMEs infinitely :)
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1796
diff
changeset
|
297 local count = max_dns_depth; |
|
1793
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parents:
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diff
changeset
|
298 reply = dns.peek(connect_host, "CNAME", "IN"); |
|
1828
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core.s2smanager: Always use last record in the DNS cache
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diff
changeset
|
299 while count > 0 and reply and reply[#reply] and not reply[#reply].a and reply[#reply].cname do |
|
48cb27e2716e
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parents:
1805
diff
changeset
|
300 log("debug", "Looking up %s (DNS depth is %d)", tostring(reply[#reply].cname), count); |
|
48cb27e2716e
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parents:
1805
diff
changeset
|
301 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
|
302 count = count - 1; |
|
1793
1fc6c2822e6b
s2smanager: Compatibility with domains which use CNAMEs
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parents:
1791
diff
changeset
|
303 end |
|
1fc6c2822e6b
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parents:
1791
diff
changeset
|
304 end |
|
1fc6c2822e6b
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parents:
1791
diff
changeset
|
305 -- end of CNAME resolving |
|
1fc6c2822e6b
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parents:
1791
diff
changeset
|
306 |
|
1828
48cb27e2716e
core.s2smanager: Always use last record in the DNS cache
Matthew Wild <mwild1@gmail.com>
parents:
1805
diff
changeset
|
307 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
|
308 log("debug", "DNS reply for %s gives us %s", connect_host, reply[#reply].a); |
|
3960
bb8a064883fc
s2smanager: Destroy session on immediate failure of a connection attempt (e.g. inability to create sockets)
Matthew Wild <mwild1@gmail.com>
parents:
3959
diff
changeset
|
309 local ok, err = make_connect(host_session, reply[#reply].a, connect_port); |
|
bb8a064883fc
s2smanager: Destroy session on immediate failure of a connection attempt (e.g. inability to create sockets)
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parents:
3959
diff
changeset
|
310 if not ok then |
|
bb8a064883fc
s2smanager: Destroy session on immediate failure of a connection attempt (e.g. inability to create sockets)
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parents:
3959
diff
changeset
|
311 if not attempt_connection(host_session, err or "closed") then |
|
bb8a064883fc
s2smanager: Destroy session on immediate failure of a connection attempt (e.g. inability to create sockets)
Matthew Wild <mwild1@gmail.com>
parents:
3959
diff
changeset
|
312 err = err and (": "..err) or ""; |
|
bb8a064883fc
s2smanager: Destroy session on immediate failure of a connection attempt (e.g. inability to create sockets)
Matthew Wild <mwild1@gmail.com>
parents:
3959
diff
changeset
|
313 destroy_session(host_session, "Connection failed"..err); |
|
bb8a064883fc
s2smanager: Destroy session on immediate failure of a connection attempt (e.g. inability to create sockets)
Matthew Wild <mwild1@gmail.com>
parents:
3959
diff
changeset
|
314 end |
|
bb8a064883fc
s2smanager: Destroy session on immediate failure of a connection attempt (e.g. inability to create sockets)
Matthew Wild <mwild1@gmail.com>
parents:
3959
diff
changeset
|
315 end |
|
1791
42d0b68a1efd
s2smanager: Pass A-record lookups through adns module
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parents:
1523
diff
changeset
|
316 else |
|
42d0b68a1efd
s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents:
1523
diff
changeset
|
317 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
|
318 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
|
319 log("debug", "No other records to try for %s - destroying", host_session.to_host); |
|
3959
32a2a4f522f8
s2smanager: Handle DNS lookup error in response handler
Matthew Wild <mwild1@gmail.com>
parents:
3958
diff
changeset
|
320 err = err and (": "..err) or ""; |
|
32a2a4f522f8
s2smanager: Handle DNS lookup error in response handler
Matthew Wild <mwild1@gmail.com>
parents:
3958
diff
changeset
|
321 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
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parents:
1523
diff
changeset
|
322 end |
|
42d0b68a1efd
s2smanager: Pass A-record lookups through adns module
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parents:
1523
diff
changeset
|
323 end |
|
42d0b68a1efd
s2smanager: Pass A-record lookups through adns module
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parents:
1523
diff
changeset
|
324 end, connect_host, "A", "IN"); |
|
42d0b68a1efd
s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents:
1523
diff
changeset
|
325 |
|
42d0b68a1efd
s2smanager: Pass A-record lookups through adns module
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parents:
1523
diff
changeset
|
326 return true; |
|
42d0b68a1efd
s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents:
1523
diff
changeset
|
327 end |
|
42d0b68a1efd
s2smanager: Pass A-record lookups through adns module
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parents:
1523
diff
changeset
|
328 |
|
42d0b68a1efd
s2smanager: Pass A-record lookups through adns module
Matthew Wild <mwild1@gmail.com>
parents:
1523
diff
changeset
|
329 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
|
330 (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
|
331 -- Ok, we're going to try to connect |
| 974 | 332 |
| 333 local from_host, to_host = host_session.from_host, host_session.to_host; | |
| 334 | |
|
3952
f5d2400ca127
s2smanager: Add a missing semi-colon
Matthew Wild <mwild1@gmail.com>
parents:
3951
diff
changeset
|
335 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
|
336 |
|
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 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
|
338 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
|
339 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
|
340 end |
| 974 | 341 |
|
434
0d7ba3742f7a
(Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents:
360
diff
changeset
|
342 conn:settimeout(0); |
|
0d7ba3742f7a
(Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents:
360
diff
changeset
|
343 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
|
344 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
|
345 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
|
346 return false, err; |
|
434
0d7ba3742f7a
(Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents:
360
diff
changeset
|
347 end |
|
0d7ba3742f7a
(Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents:
360
diff
changeset
|
348 |
|
0d7ba3742f7a
(Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents:
360
diff
changeset
|
349 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
|
350 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
|
351 host_session.conn = conn; |
|
0d7ba3742f7a
(Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents:
360
diff
changeset
|
352 |
|
3146
aaaea4cdbf10
s2smanager: Add filters for outgoing bytes and stanzas
Matthew Wild <mwild1@gmail.com>
parents:
2951
diff
changeset
|
353 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
|
354 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
|
355 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
|
356 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
|
357 if t.name then |
|
aaaea4cdbf10
s2smanager: Add filters for outgoing bytes and stanzas
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parents:
2951
diff
changeset
|
358 t = filter("stanzas/out", t); |
|
aaaea4cdbf10
s2smanager: Add filters for outgoing bytes and stanzas
Matthew Wild <mwild1@gmail.com>
parents:
2951
diff
changeset
|
359 end |
|
aaaea4cdbf10
s2smanager: Add filters for outgoing bytes and stanzas
Matthew Wild <mwild1@gmail.com>
parents:
2951
diff
changeset
|
360 if t then |
|
aaaea4cdbf10
s2smanager: Add filters for outgoing bytes and stanzas
Matthew Wild <mwild1@gmail.com>
parents:
2951
diff
changeset
|
361 t = filter("bytes/out", tostring(t)); |
|
aaaea4cdbf10
s2smanager: Add filters for outgoing bytes and stanzas
Matthew Wild <mwild1@gmail.com>
parents:
2951
diff
changeset
|
362 if t then |
|
aaaea4cdbf10
s2smanager: Add filters for outgoing bytes and stanzas
Matthew Wild <mwild1@gmail.com>
parents:
2951
diff
changeset
|
363 return w(conn, tostring(t)); |
|
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 |
|
aaaea4cdbf10
s2smanager: Add filters for outgoing bytes and stanzas
Matthew Wild <mwild1@gmail.com>
parents:
2951
diff
changeset
|
366 end |
|
434
0d7ba3742f7a
(Basic) IDNA and SRV fallback support
Matthew Wild <mwild1@gmail.com>
parents:
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diff
changeset
|
367 |
|
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(Basic) IDNA and SRV fallback support
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diff
changeset
|
368 -- Register this outgoing connection so that xmppserver_listener knows about it |
|
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diff
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|
369 -- otherwise it will assume it is a new incoming connection |
|
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diff
changeset
|
370 cl.register_outgoing(conn, host_session); |
|
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parents:
360
diff
changeset
|
371 |
|
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
|
372 host_session:open_stream(from_host, to_host); |
|
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parents:
2422
diff
changeset
|
373 |
| 974 | 374 log("debug", "Connection attempt in progress..."); |
|
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parents:
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|
375 add_task(connect_timeout, function () |
|
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|
376 if host_session.conn ~= conn or |
|
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diff
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|
377 host_session.type == "s2sout" or |
|
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|
378 host_session.connecting then |
|
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diff
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|
379 return; -- Ok, we're connect[ed|ing] |
|
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s2smanager: Timeout unauthed s2s connections
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|
380 end |
|
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1793
diff
changeset
|
381 -- Not connected, need to close session and clean up |
|
2419
00d985639a06
s2smanager: Trim trailing whitespace
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parents:
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diff
changeset
|
382 (host_session.log or log)("warn", "Destroying incomplete session %s->%s due to inactivity", |
|
1796
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parents:
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diff
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|
383 host_session.from_host or "(unknown)", host_session.to_host or "(unknown)"); |
|
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diff
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|
384 host_session:close("connection-timeout"); |
|
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parents:
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diff
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|
385 end); |
|
434
0d7ba3742f7a
(Basic) IDNA and SRV fallback support
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diff
changeset
|
386 return true; |
| 148 | 387 end |
| 388 | |
|
2426
4cef9808662a
s2smanager: Split sending of stream header into a :open_stream() method
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parents:
2422
diff
changeset
|
389 function session_open_stream(session, from, to) |
|
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parents:
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diff
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|
390 session.sends2s(st.stanza("stream:stream", { |
|
4cef9808662a
s2smanager: Split sending of stream header into a :open_stream() method
Matthew Wild <mwild1@gmail.com>
parents:
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diff
changeset
|
391 xmlns='jabber:server', ["xmlns:db"]='jabber:server:dialback', |
|
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s2smanager: Split sending of stream header into a :open_stream() method
Matthew Wild <mwild1@gmail.com>
parents:
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diff
changeset
|
392 ["xmlns:stream"]='http://etherx.jabber.org/streams', |
|
4cef9808662a
s2smanager: Split sending of stream header into a :open_stream() method
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parents:
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diff
changeset
|
393 from=from, to=to, version='1.0', ["xml:lang"]='en'}):top_tag()); |
|
4cef9808662a
s2smanager: Split sending of stream header into a :open_stream() method
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parents:
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diff
changeset
|
394 end |
|
4cef9808662a
s2smanager: Split sending of stream header into a :open_stream() method
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parents:
2422
diff
changeset
|
395 |
| 3651 | 396 local function check_cert_status(session) |
| 397 local conn = session.conn:socket() | |
|
3663
300ae72fd692
s2smanager: Check for getpeercertificate availability (for old LuaSecs)
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parents:
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diff
changeset
|
398 local cert |
|
300ae72fd692
s2smanager: Check for getpeercertificate availability (for old LuaSecs)
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parents:
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diff
changeset
|
399 if conn.getpeercertificate then |
|
300ae72fd692
s2smanager: Check for getpeercertificate availability (for old LuaSecs)
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parents:
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diff
changeset
|
400 cert = conn:getpeercertificate() |
|
300ae72fd692
s2smanager: Check for getpeercertificate availability (for old LuaSecs)
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parents:
3651
diff
changeset
|
401 end |
| 3651 | 402 |
| 403 if cert then | |
| 404 local chain_valid, err = conn:getpeerchainvalid() | |
| 405 if not chain_valid then | |
| 406 session.cert_chain_status = "invalid"; | |
| 407 (session.log or log)("debug", "certificate chain validation result: %s", err); | |
| 408 else | |
| 409 session.cert_chain_status = "valid"; | |
| 410 | |
| 411 local host = session.direction == "incoming" and session.from_host or session.to_host | |
| 412 | |
| 413 -- We'll go ahead and verify the asserted identity if the | |
| 414 -- connecting server specified one. | |
| 415 if host then | |
| 416 if cert_verify_identity(host, "xmpp-server", cert) then | |
| 417 session.cert_identity_status = "valid" | |
| 418 else | |
| 419 session.cert_identity_status = "invalid" | |
| 420 end | |
| 421 end | |
| 422 end | |
| 423 end | |
| 424 end | |
| 425 | |
| 148 | 426 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
|
427 local send = session.sends2s; |
| 148 | 428 |
|
544
efde848869c5
Don't send stream:features to incoming s2s connections
Matthew Wild <mwild1@gmail.com>
parents:
543
diff
changeset
|
429 -- TODO: #29: SASL/TLS on s2s streams |
|
1894
53f34ba6f6d6
Minor changes; outgoing TLS works.
Paul Aurich <paul@darkrain42.org>
parents:
1891
diff
changeset
|
430 session.version = tonumber(attr.version) or 0; |
|
544
efde848869c5
Don't send stream:features to incoming s2s connections
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parents:
543
diff
changeset
|
431 |
| 3651 | 432 -- TODO: Rename session.secure to session.encrypted |
|
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
|
433 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
|
434 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
|
435 end |
| 3651 | 436 |
| 148 | 437 if session.direction == "incoming" then |
| 438 -- Send a reply stream header | |
|
938
663f75dd7b42
Fixed: Some nil access bugs
Waqas Hussain <waqas20@gmail.com>
parents:
931
diff
changeset
|
439 session.to_host = attr.to and nameprep(attr.to); |
|
663f75dd7b42
Fixed: Some nil access bugs
Waqas Hussain <waqas20@gmail.com>
parents:
931
diff
changeset
|
440 session.from_host = attr.from and nameprep(attr.from); |
| 148 | 441 |
| 442 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
|
443 (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
|
444 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
|
445 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
|
446 -- 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
|
447 session:close({ |
|
c7acddf80583
s2smanager: Handle disallow_s2s for incoming streams as well as outgoing
Matthew Wild <mwild1@gmail.com>
parents:
3329
diff
changeset
|
448 condition = "host-unknown"; |
|
c7acddf80583
s2smanager: Handle disallow_s2s for incoming streams as well as outgoing
Matthew Wild <mwild1@gmail.com>
parents:
3329
diff
changeset
|
449 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
|
450 }); |
|
c7acddf80583
s2smanager: Handle disallow_s2s for incoming streams as well as outgoing
Matthew Wild <mwild1@gmail.com>
parents:
3329
diff
changeset
|
451 return; |
|
c7acddf80583
s2smanager: Handle disallow_s2s for incoming streams as well as outgoing
Matthew Wild <mwild1@gmail.com>
parents:
3329
diff
changeset
|
452 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
|
453 -- 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
|
454 session:close({ |
|
c7acddf80583
s2smanager: Handle disallow_s2s for incoming streams as well as outgoing
Matthew Wild <mwild1@gmail.com>
parents:
3329
diff
changeset
|
455 condition = "policy-violation"; |
|
c7acddf80583
s2smanager: Handle disallow_s2s for incoming streams as well as outgoing
Matthew Wild <mwild1@gmail.com>
parents:
3329
diff
changeset
|
456 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
|
457 }); |
|
c7acddf80583
s2smanager: Handle disallow_s2s for incoming streams as well as outgoing
Matthew Wild <mwild1@gmail.com>
parents:
3329
diff
changeset
|
458 return; |
|
c7acddf80583
s2smanager: Handle disallow_s2s for incoming streams as well as outgoing
Matthew Wild <mwild1@gmail.com>
parents:
3329
diff
changeset
|
459 end |
| 331 | 460 end |
| 3651 | 461 |
| 462 if session.secure and not session.cert_chain_status then check_cert_status(session); end | |
| 463 | |
|
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
|
464 send("<?xml version='1.0'?>"); |
|
2419
00d985639a06
s2smanager: Trim trailing whitespace
Matthew Wild <mwild1@gmail.com>
parents:
2382
diff
changeset
|
465 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
|
466 ["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
|
467 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
|
468 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
|
469 |
|
1936
a6ca0dcc7b83
s2smanager: Make s2s-stream-features a per-host event
Matthew Wild <mwild1@gmail.com>
parents:
1930
diff
changeset
|
470 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
|
471 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
|
472 else |
|
a6ca0dcc7b83
s2smanager: Make s2s-stream-features a per-host event
Matthew Wild <mwild1@gmail.com>
parents:
1930
diff
changeset
|
473 (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
|
474 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
|
475 |
|
e875833ae08e
s2smanager: Send stream:features for incoming s2s connections which support XMPP 1.0
Matthew Wild <mwild1@gmail.com>
parents:
1888
diff
changeset
|
476 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
|
477 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
|
478 end |
| 148 | 479 elseif session.direction == "outgoing" then |
| 480 -- 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
|
481 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
|
482 session.streamid = attr.id; |
| 3651 | 483 |
| 484 if session.secure and not session.cert_chain_status then check_cert_status(session); end | |
| 485 | |
|
1007
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
1006
diff
changeset
|
486 -- Send unauthed buffer |
|
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
1006
diff
changeset
|
487 -- (stanzas which are fine to send before dialback) |
|
2419
00d985639a06
s2smanager: Trim trailing whitespace
Matthew Wild <mwild1@gmail.com>
parents:
2382
diff
changeset
|
488 -- 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
|
489 -- we can only send if auth succeeds) :) |
|
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
1006
diff
changeset
|
490 local send_buffer = session.send_buffer; |
|
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
1006
diff
changeset
|
491 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
|
492 log("debug", "Sending s2s send_buffer now..."); |
|
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
1006
diff
changeset
|
493 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
|
494 session.sends2s(tostring(data)); |
|
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
1006
diff
changeset
|
495 send_buffer[i] = nil; |
|
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
1006
diff
changeset
|
496 end |
|
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
1006
diff
changeset
|
497 end |
|
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
1006
diff
changeset
|
498 session.send_buffer = nil; |
|
c500d4cb7855
core.s2smanager: Buffer data sent before connection
Matthew Wild <mwild1@gmail.com>
parents:
1006
diff
changeset
|
499 |
|
1890
aed0d8a0cca8
s2smanager: Don't wait for stream:features from non-XMPP-1.0 hosts
Matthew Wild <mwild1@gmail.com>
parents:
1889
diff
changeset
|
500 -- 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
|
501 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
|
502 if not session.dialback_verifying then |
|
1894
53f34ba6f6d6
Minor changes; outgoing TLS works.
Paul Aurich <paul@darkrain42.org>
parents:
1891
diff
changeset
|
503 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
|
504 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
|
505 else |
|
aed0d8a0cca8
s2smanager: Don't wait for stream:features from non-XMPP-1.0 hosts
Matthew Wild <mwild1@gmail.com>
parents:
1889
diff
changeset
|
506 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
|
507 end |
| 148 | 508 end |
| 509 end | |
| 510 session.notopen = nil; | |
| 511 end | |
| 512 | |
|
959
e3db909065f2
sessionmanager, s2smanager, mod_component: Send reply </stream:stream> when client closes stream
Matthew Wild <mwild1@gmail.com>
parents:
938
diff
changeset
|
513 function streamclosed(session) |
|
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514 (session.log or log)("debug", "Received </stream:stream>"); |
|
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515 session:close(); |
|
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516 end |
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517 |
|
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518 function initiate_dialback(session) |
|
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519 -- generate dialback key |
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520 session.dialback_key = generate_dialback(session.streamid, session.to_host, session.from_host); |
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521 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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522 session.log("info", "sent dialback key on outgoing s2s stream"); |
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523 end |
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524 |
| 148 | 525 function generate_dialback(id, to, from) |
|
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526 return sha256_hash(id..to..from..hosts[from].dialback_secret, true); |
| 148 | 527 end |
| 528 | |
| 529 function verify_dialback(id, to, from, key) | |
| 530 return key == generate_dialback(id, to, from); | |
| 531 end | |
| 532 | |
|
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diff
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|
533 function make_authenticated(session, host) |
|
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534 if not session.secure then |
|
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|
535 local local_host = session.direction == "incoming" and session.to_host or session.from_host; |
|
2801
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s2smanager: Fix syntax error)
Matthew Wild <mwild1@gmail.com>
parents:
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diff
changeset
|
536 if config.get(local_host, "core", "s2s_require_encryption") then |
|
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|
537 session:close({ |
|
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diff
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|
538 condition = "policy-violation", |
|
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diff
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|
539 text = "Encrypted server-to-server communication is required but was not " |
|
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540 ..((session.direction == "outgoing" and "offered") or "used") |
|
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|
541 }); |
|
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542 end |
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543 end |
| 148 | 544 if session.type == "s2sout_unauthed" then |
| 545 session.type = "s2sout"; | |
| 546 elseif session.type == "s2sin_unauthed" then | |
| 547 session.type = "s2sin"; | |
|
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|
548 if host then |
|
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Paul Aurich <paul@darkrain42.org>
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|
549 if not session.hosts[host] then session.hosts[host] = {}; end |
|
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550 session.hosts[host].authed = true; |
|
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Add support for dialback piggy-backing. Fixes #37. Thanks to CShadowRun for helping me test :)
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diff
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|
551 end |
|
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diff
changeset
|
552 elseif session.type == "s2sin" and host then |
|
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553 if not session.hosts[host] then session.hosts[host] = {}; end |
|
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diff
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|
554 session.hosts[host].authed = true; |
| 148 | 555 else |
| 556 return false; | |
| 557 end | |
|
1075
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Matthew Wild <mwild1@gmail.com>
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diff
changeset
|
558 session.log("debug", "connection %s->%s is now authenticated", session.from_host or "(unknown)", session.to_host or "(unknown)"); |
| 148 | 559 |
| 560 mark_connected(session); | |
| 561 | |
| 562 return true; | |
| 563 end | |
| 564 | |
| 1891 | 565 -- Stream is authorised, and ready for normal stanzas |
| 148 | 566 function mark_connected(session) |
|
186
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parents:
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diff
changeset
|
567 local sendq, send = session.sendq, session.sends2s; |
|
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568 |
|
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diff
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|
569 local from, to = session.from_host, session.to_host; |
|
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|
570 |
|
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diff
changeset
|
571 session.log("info", session.direction.." s2s connection "..from.."->"..to.." complete"); |
|
186
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|
572 |
|
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sends2s -> s2s_session.send(), s2s_session.send() -> s2s_session.sends2s()
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diff
changeset
|
573 local send_to_host = send_to_host; |
|
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s2smanager: session.send(): Return the result of send_to_host() (and incidentally make this a tail call \o/)
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changeset
|
574 function session.send(data) return send_to_host(to, from, data); end |
|
190
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General fixes for s2s, to make it more robust (I hope), sending data to remote hosts sane (s2ssession.send() works as expected), recycle outgoing dialback connections, etc.
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parents:
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diff
changeset
|
575 |
|
3476
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parents:
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diff
changeset
|
576 local event_data = { session = session }; |
|
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parents:
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diff
changeset
|
577 if session.type == "s2sout" then |
|
193bb0936a4e
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parents:
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diff
changeset
|
578 prosody.events.fire_event("s2sout-established", event_data); |
|
193bb0936a4e
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parents:
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diff
changeset
|
579 hosts[session.from_host].events.fire_event("s2sout-established", event_data); |
|
193bb0936a4e
s2smanager: Fire s2s{in,out}-established when new s2s connections are ready
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diff
changeset
|
580 else |
|
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diff
changeset
|
581 prosody.events.fire_event("s2sin-established", event_data); |
|
193bb0936a4e
s2smanager: Fire s2s{in,out}-established when new s2s connections are ready
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parents:
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diff
changeset
|
582 hosts[session.to_host].events.fire_event("s2sin-established", event_data); |
|
193bb0936a4e
s2smanager: Fire s2s{in,out}-established when new s2s connections are ready
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parents:
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diff
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|
583 end |
|
186
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diff
changeset
|
584 |
|
190
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parents:
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diff
changeset
|
585 if session.direction == "outgoing" then |
|
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General fixes for s2s, to make it more robust (I hope), sending data to remote hosts sane (s2ssession.send() works as expected), recycle outgoing dialback connections, etc.
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parents:
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diff
changeset
|
586 if sendq then |
|
269
3cfac0e5e6ca
Log how many queued stanzas we send
Waqas Hussain <waqas20@gmail.com>
parents:
266
diff
changeset
|
587 session.log("debug", "sending "..#sendq.." queued stanzas across new outgoing connection to "..session.to_host); |
|
190
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General fixes for s2s, to make it more robust (I hope), sending data to remote hosts sane (s2ssession.send() works as expected), recycle outgoing dialback connections, etc.
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parents:
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diff
changeset
|
588 for i, data in ipairs(sendq) do |
|
631
6957fe7b0313
Bounce stanza errors on failed s2s
Waqas Hussain <waqas20@gmail.com>
parents:
621
diff
changeset
|
589 send(data[1]); |
|
190
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General fixes for s2s, to make it more robust (I hope), sending data to remote hosts sane (s2ssession.send() works as expected), recycle outgoing dialback connections, etc.
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diff
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|
590 sendq[i] = nil; |
|
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General fixes for s2s, to make it more robust (I hope), sending data to remote hosts sane (s2ssession.send() works as expected), recycle outgoing dialback connections, etc.
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diff
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|
591 end |
|
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General fixes for s2s, to make it more robust (I hope), sending data to remote hosts sane (s2ssession.send() works as expected), recycle outgoing dialback connections, etc.
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diff
changeset
|
592 session.sendq = nil; |
| 148 | 593 end |
|
1345
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s2smanager: Remove srv_hosts from session when connected, this fixes attempting to reconnect s2s sessions when they are closed during shutdown
Matthew Wild <mwild1@gmail.com>
parents:
1308
diff
changeset
|
594 |
|
35b5686d73ea
s2smanager: Remove srv_hosts from session when connected, this fixes attempting to reconnect s2s sessions when they are closed during shutdown
Matthew Wild <mwild1@gmail.com>
parents:
1308
diff
changeset
|
595 session.srv_hosts = nil; |
| 148 | 596 end |
| 597 end | |
| 598 | |
|
2746
3b9547fc0bed
sessionmanager, s2smanager: Destroyed sessions are now simply resting (not dead) until they are collected - prevents a whole class of tracebacks
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2714
diff
changeset
|
599 local resting_session = { -- Resting, not dead |
|
3b9547fc0bed
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parents:
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diff
changeset
|
600 destroyed = true; |
|
2915
f47bd0f7e2e6
sessionmanager, s2smanager: Add type of ?2s_destroyed to resting sessions (fixes a logging traceback, thanks Flo)
Matthew Wild <mwild1@gmail.com>
parents:
2892
diff
changeset
|
601 type = "s2s_destroyed"; |
|
2748
85a242cd1bc4
s2smanager: Add open_stream and close methods to resting sessions
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diff
changeset
|
602 open_stream = function (session) |
|
85a242cd1bc4
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changeset
|
603 session.log("debug", "Attempt to open stream on resting session"); |
|
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|
604 end; |
|
85a242cd1bc4
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diff
changeset
|
605 close = function (session) |
|
85a242cd1bc4
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parents:
2747
diff
changeset
|
606 session.log("debug", "Attempt to close already-closed session"); |
|
85a242cd1bc4
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2747
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changeset
|
607 end; |
|
3459
543f31cdde19
sessionmanager, s2smanager: Give resting sessions a pass-through filter, fixes #202
Matthew Wild <mwild1@gmail.com>
parents:
3436
diff
changeset
|
608 filter = function (type, data) return data; end; |
|
2746
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parents:
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diff
changeset
|
609 }; resting_session.__index = resting_session; |
|
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parents:
2714
diff
changeset
|
610 |
|
3950
27947d66b814
s2smanager: retire_session(): Add a 'reason' parameter
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parents:
3948
diff
changeset
|
611 function retire_session(session, reason) |
|
2746
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diff
changeset
|
612 local log = session.log or log; |
|
3b9547fc0bed
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parents:
2714
diff
changeset
|
613 for k in pairs(session) do |
|
3b9547fc0bed
sessionmanager, s2smanager: Destroyed sessions are now simply resting (not dead) until they are collected - prevents a whole class of tracebacks
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parents:
2714
diff
changeset
|
614 if k ~= "trace" and k ~= "log" and k ~= "id" then |
|
3b9547fc0bed
sessionmanager, s2smanager: Destroyed sessions are now simply resting (not dead) until they are collected - prevents a whole class of tracebacks
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parents:
2714
diff
changeset
|
615 session[k] = nil; |
|
3b9547fc0bed
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parents:
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diff
changeset
|
616 end |
|
3b9547fc0bed
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parents:
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diff
changeset
|
617 end |
|
3b9547fc0bed
sessionmanager, s2smanager: Destroyed sessions are now simply resting (not dead) until they are collected - prevents a whole class of tracebacks
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parents:
2714
diff
changeset
|
618 |
|
3950
27947d66b814
s2smanager: retire_session(): Add a 'reason' parameter
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parents:
3948
diff
changeset
|
619 session.destruction_reason = reason; |
|
27947d66b814
s2smanager: retire_session(): Add a 'reason' parameter
Matthew Wild <mwild1@gmail.com>
parents:
3948
diff
changeset
|
620 |
|
2746
3b9547fc0bed
sessionmanager, s2smanager: Destroyed sessions are now simply resting (not dead) until they are collected - prevents a whole class of tracebacks
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parents:
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diff
changeset
|
621 function session.send(data) log("debug", "Discarding data sent to resting session: %s", tostring(data)); end |
|
3b9547fc0bed
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parents:
2714
diff
changeset
|
622 function session.data(data) log("debug", "Discarding data received from resting session: %s", tostring(data)); end |
|
3b9547fc0bed
sessionmanager, s2smanager: Destroyed sessions are now simply resting (not dead) until they are collected - prevents a whole class of tracebacks
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parents:
2714
diff
changeset
|
623 return setmetatable(session, resting_session); |
|
3b9547fc0bed
sessionmanager, s2smanager: Destroyed sessions are now simply resting (not dead) until they are collected - prevents a whole class of tracebacks
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parents:
2714
diff
changeset
|
624 end |
|
2857
6036c4b75235
sessionmanager, s2smanager: Give sessions dummy data handlers that log when data is received by a destroyed session
Matthew Wild <mwild1@gmail.com>
parents:
2712
diff
changeset
|
625 |
|
2781
4b5881b6bbfc
s2smanager: Have both destroy_session and bounce_sendq accept a reason string to include in bounced stanzas
Matthew Wild <mwild1@gmail.com>
parents:
2780
diff
changeset
|
626 function destroy_session(session, reason) |
|
2749
8dc5f3651501
s2smanager: Don't re-destroy destroyed sessions
Matthew Wild <mwild1@gmail.com>
parents:
2748
diff
changeset
|
627 if session.destroyed then return; end |
|
169
92768120b717
Little tweak for more useful logging of closed s2s sessions
Matthew Wild <mwild1@gmail.com>
parents:
167
diff
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628 (session.log or log)("info", "Destroying "..tostring(session.direction).." session "..tostring(session.from_host).."->"..tostring(session.to_host)); |
| 331 | 629 |
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630 if session.direction == "outgoing" then |
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182f0c895676
Now outgoing s2s sessions are associated with their from_host, fixes #15
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631 hosts[session.from_host].s2sout[session.to_host] = nil; |
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s2smanager: Have both destroy_session and bounce_sendq accept a reason string to include in bounced stanzas
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632 bounce_sendq(session, reason); |
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Add support for dialback piggy-backing. Fixes #37. Thanks to CShadowRun for helping me test :)
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633 elseif session.direction == "incoming" then |
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634 incoming_s2s[session] = nil; |
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635 end |
| 331 | 636 |
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s2smanager: Fire s2s{in,out}-destroyed when s2s connections are destroyed
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637 local event_data = { session = session, reason = reason }; |
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638 if session.type == "s2sout" then |
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639 prosody.events.fire_event("s2sout-destroyed", event_data); |
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640 if hosts[session.from_host] then |
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641 hosts[session.from_host].events.fire_event("s2sout-destroyed", event_data); |
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642 end |
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s2smanager: Don't fire s2sin-destroyed for sessions that were never fully established (thanks Thomas)
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643 elseif session.type == "s2sin" then |
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644 prosody.events.fire_event("s2sin-destroyed", event_data); |
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645 if hosts[session.to_host] then |
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646 hosts[session.to_host].events.fire_event("s2sin-destroyed", event_data); |
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647 end |
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648 end |
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649 |
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s2smanager: destroy_session(): Pass reason to retire_session() and return true on successful destruction
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650 retire_session(session, reason); -- Clean session until it is GC'd |
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651 return true; |
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652 end |
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653 |
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Just committing this warning, because I want to know if the problem really affects us
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654 return _M; |
