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net/xmppserver_listener.lua @ 744:328b702fb80c
Friendlier message when config file not found
| author | Matthew Wild <mwild1@gmail.com> |
|---|---|
| date | Thu, 22 Jan 2009 14:39:40 +0000 |
| parent | 625:cad4dcfbf295 |
| child | 758:b1885732e979 |
| rev | line source |
|---|---|
| 615 | 1 -- Prosody IM v0.2 |
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2 -- Copyright (C) 2008 Matthew Wild |
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3 -- Copyright (C) 2008 Waqas Hussain |
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4 -- |
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5 -- This program is free software; you can redistribute it and/or |
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6 -- modify it under the terms of the GNU General Public License |
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7 -- as published by the Free Software Foundation; either version 2 |
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8 -- of the License, or (at your option) any later version. |
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9 -- |
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10 -- This program is distributed in the hope that it will be useful, |
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11 -- but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 -- GNU General Public License for more details. |
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14 -- |
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15 -- You should have received a copy of the GNU General Public License |
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16 -- along with this program; if not, write to the Free Software |
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17 -- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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18 -- |
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19 |
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20 |
| 148 | 21 |
| 22 local logger = require "logger"; | |
| 23 local lxp = require "lxp" | |
| 24 local init_xmlhandlers = require "core.xmlhandlers" | |
| 25 local sm_new_session = require "core.sessionmanager".new_session; | |
| 26 local s2s_new_incoming = require "core.s2smanager".new_incoming; | |
| 27 local s2s_streamopened = require "core.s2smanager".streamopened; | |
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28 local s2s_streamclosed = require "core.s2smanager".streamclosed; |
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29 local s2s_destroy_session = require "core.s2smanager".destroy_session; |
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30 local s2s_attempt_connect = require "core.s2smanager".attempt_connection; |
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31 local stream_callbacks = { stream_tag = "http://etherx.jabber.org/streams|stream", streamopened = s2s_streamopened, streamclosed = s2s_streamclosed, handlestanza = core_process_stanza }; |
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32 |
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33 function stream_callbacks.error(session, error, data) |
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34 if error == "no-stream" then |
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35 session:close("invalid-namespace"); |
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36 else |
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37 session.log("debug", "Server-to-server XML parse error: %s", tostring(error)); |
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38 session:close("xml-not-well-formed"); |
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39 end |
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40 end |
| 331 | 41 |
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42 local function handleerr(err) log("error", "Traceback[s2s]: %s: %s", tostring(err), debug.traceback()); end |
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43 function stream_callbacks.handlestanza(a, b) |
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44 xpcall(function () core_process_stanza(a, b) end, handleerr); |
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45 end |
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46 |
| 148 | 47 local connlisteners_register = require "net.connlisteners".register; |
| 48 | |
| 49 local t_insert = table.insert; | |
| 50 local t_concat = table.concat; | |
| 51 local t_concatall = function (t, sep) local tt = {}; for _, s in ipairs(t) do t_insert(tt, tostring(s)); end return t_concat(tt, sep); end | |
| 52 local m_random = math.random; | |
| 53 local format = string.format; | |
| 54 local sm_new_session, sm_destroy_session = sessionmanager.new_session, sessionmanager.destroy_session; --import("core.sessionmanager", "new_session", "destroy_session"); | |
| 55 local st = stanza; | |
| 56 | |
| 57 local sessions = {}; | |
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58 local xmppserver = { default_port = 5269, default_mode = "*a" }; |
| 148 | 59 |
| 60 -- These are session methods -- | |
| 61 | |
| 62 local function session_reset_stream(session) | |
| 63 -- Reset stream | |
| 331 | 64 local parser = lxp.new(init_xmlhandlers(session, stream_callbacks), "|"); |
| 148 | 65 session.parser = parser; |
| 66 | |
| 67 session.notopen = true; | |
| 68 | |
| 69 function session.data(conn, data) | |
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70 local ok, err = parser:parse(data); |
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71 if ok then return; end |
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72 session:close("xml-not-well-formed"); |
| 148 | 73 end |
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74 |
| 148 | 75 return true; |
| 76 end | |
| 77 | |
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78 |
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79 local stream_xmlns_attr = {xmlns='urn:ietf:params:xml:ns:xmpp-streams'}; |
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80 local function session_close(session, reason) |
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81 local log = session.log or log; |
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82 if session.conn then |
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83 if reason then |
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84 if type(reason) == "string" then -- assume stream error |
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85 log("info", "Disconnecting %s[%s], <stream:error> is: %s", session.host or "(unknown host)", session.type, reason); |
| 331 | 86 session.sends2s(st.stanza("stream:error"):tag(reason, {xmlns = 'urn:ietf:params:xml:ns:xmpp-streams' })); |
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87 elseif type(reason) == "table" then |
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88 if reason.condition then |
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89 local stanza = st.stanza("stream:error"):tag(reason.condition, stream_xmlns_attr):up(); |
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90 if reason.text then |
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91 stanza:tag("text", stream_xmlns_attr):text(reason.text):up(); |
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92 end |
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93 if reason.extra then |
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94 stanza:add_child(reason.extra); |
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95 end |
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96 log("info", "Disconnecting %s[%s], <stream:error> is: %s", session.host or "(unknown host)", session.type, tostring(stanza)); |
| 331 | 97 session.sends2s(stanza); |
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98 elseif reason.name then -- a stanza |
| 331 | 99 log("info", "Disconnecting %s->%s[%s], <stream:error> is: %s", session.from_host or "(unknown host)", session.to_host or "(unknown host)", session.type, tostring(reason)); |
| 100 session.sends2s(reason); | |
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101 end |
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102 end |
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103 end |
| 331 | 104 session.sends2s("</stream:stream>"); |
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105 session.conn.close(); |
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106 xmppserver.disconnect(session.conn, "stream error"); |
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107 end |
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108 end |
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109 |
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110 |
| 148 | 111 -- End of session methods -- |
| 112 | |
| 113 function xmppserver.listener(conn, data) | |
| 114 local session = sessions[conn]; | |
| 115 if not session then | |
| 116 session = s2s_new_incoming(conn); | |
| 117 sessions[conn] = session; | |
| 118 | |
| 119 -- Logging functions -- | |
| 120 | |
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121 |
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122 local conn_name = "s2sin"..tostring(conn):match("[a-f0-9]+$"); |
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123 session.log = logger.init(conn_name); |
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124 |
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125 session.log("info", "Incoming s2s connection"); |
| 148 | 126 |
| 127 session.reset_stream = session_reset_stream; | |
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128 session.close = session_close; |
| 148 | 129 |
| 130 session_reset_stream(session); -- Initialise, ready for use | |
| 131 | |
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132 session.dispatch_stanza = stream_callbacks.handlestanza; |
| 148 | 133 end |
| 134 if data then | |
| 135 session.data(conn, data); | |
| 136 end | |
| 137 end | |
| 138 | |
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139 function xmppserver.disconnect(conn, err) |
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140 local session = sessions[conn]; |
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141 if session then |
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142 if err and err ~= "closed" and session.srv_hosts then |
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143 if s2s_attempt_connect(session, err) then |
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144 return; -- Session lives for now |
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145 end |
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146 end |
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147 (session.log or log)("info", "s2s disconnected: %s->%s (%s)", tostring(session.from_host), tostring(session.to_host), tostring(err)); |
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148 s2s_destroy_session(session); |
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149 sessions[conn] = nil; |
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150 session = nil; |
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151 collectgarbage("collect"); |
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152 end |
| 148 | 153 end |
| 154 | |
| 155 function xmppserver.register_outgoing(conn, session) | |
| 156 session.direction = "outgoing"; | |
| 157 sessions[conn] = session; | |
| 158 | |
| 159 session.reset_stream = session_reset_stream; | |
| 160 session_reset_stream(session); -- Initialise, ready for use | |
| 161 | |
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162 --local function handleerr(err) print("Traceback:", err, debug.traceback()); end |
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163 --session.stanza_dispatch = function (stanza) return select(2, xpcall(function () return core_process_stanza(session, stanza); end, handleerr)); end |
| 148 | 164 end |
| 165 | |
| 166 connlisteners_register("xmppserver", xmppserver); | |
| 167 | |
| 168 | |
| 169 -- We need to perform some initialisation when a connection is created | |
| 170 -- We also need to perform that same initialisation at other points (SASL, TLS, ...) | |
| 171 | |
| 172 -- ...and we need to handle data | |
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ba4711c4e8d2
Committing code to get nicer tracebacks for errors, also we no longer consider such errors fatal (probably a bad thing, I know...)
Matthew Wild <mwild1@gmail.com>
parents:
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changeset
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173 -- ...and record all sessions associated with connections |
