Annotate

plugins/mod_saslauth.lua @ 11811:ae43166fe931 0.11

net.server_epoll: Add a hard deadline on shutdown to extra-fix #1670 Should ensure shutdown even if sockets somehow take a very long to get closed.
author Kim Alvefur <zash@zash.se>
date Mon, 20 Sep 2021 14:38:08 +0200
parent 11513:549c80feede6
child 11514:11186af62c87
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1 -- Prosody IM
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2 -- Copyright (C) 2008-2010 Matthew Wild
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3 -- Copyright (C) 2008-2010 Waqas Hussain
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4 --
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b1885732e979 GPL->MIT!
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5 -- This project is MIT/X11 licensed. Please see the
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6 -- COPYING file in the source package for more information.
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7 --
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8 -- luacheck: ignore 431/log
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9
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10
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11 local st = require "util.stanza";
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12 local sm_bind_resource = require "core.sessionmanager".bind_resource;
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13 local sm_make_authenticated = require "core.sessionmanager".make_authenticated;
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14 local base64 = require "util.encodings".base64;
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15
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16 local usermanager_get_sasl_handler = require "core.usermanager".get_sasl_handler;
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17 local tostring = tostring;
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18
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19 local secure_auth_only = module:get_option_boolean("c2s_require_encryption", module:get_option_boolean("require_encryption", false));
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20 local allow_unencrypted_plain_auth = module:get_option_boolean("allow_unencrypted_plain_auth", false)
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21 local insecure_mechanisms = module:get_option_set("insecure_sasl_mechanisms", allow_unencrypted_plain_auth and {} or {"PLAIN", "LOGIN"});
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22 local disabled_mechanisms = module:get_option_set("disable_sasl_mechanisms", { "DIGEST-MD5" });
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23
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24 local log = module._log;
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25
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26 local xmlns_sasl ='urn:ietf:params:xml:ns:xmpp-sasl';
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27 local xmlns_bind ='urn:ietf:params:xml:ns:xmpp-bind';
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28
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29 local function build_reply(status, ret, err_msg)
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30 local reply = st.stanza(status, {xmlns = xmlns_sasl});
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31 if status == "failure" then
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32 reply:tag(ret):up();
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33 if err_msg then reply:tag("text"):text(err_msg); end
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34 elseif status == "challenge" or status == "success" then
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35 if ret == "" then
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36 reply:text("=")
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37 elseif ret then
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38 reply:text(base64.encode(ret));
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39 end
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40 else
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41 module:log("error", "Unknown sasl status: %s", status);
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42 end
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43 return reply;
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44 end
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45
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46 local function handle_status(session, status, ret, err_msg)
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47 if not session.sasl_handler then
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48 return "failure", "temporary-auth-failure", "Connection gone";
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49 end
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50 if status == "failure" then
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51 module:fire_event("authentication-failure", { session = session, condition = ret, text = err_msg });
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52 session.sasl_handler = session.sasl_handler:clean_clone();
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53 elseif status == "success" then
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54 local ok, err = sm_make_authenticated(session, session.sasl_handler.username);
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55 if ok then
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56 module:fire_event("authentication-success", { session = session });
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57 session.sasl_handler = nil;
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58 session:reset_stream();
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59 else
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60 module:log("warn", "SASL succeeded but username was invalid");
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61 module:fire_event("authentication-failure", { session = session, condition = "not-authorized", text = err });
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62 session.sasl_handler = session.sasl_handler:clean_clone();
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63 return "failure", "not-authorized", "User authenticated successfully, but username was invalid";
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64 end
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65 end
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66 return status, ret, err_msg;
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67 end
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68
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69 local function sasl_process_cdata(session, stanza)
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70 local text = stanza[1];
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71 if text then
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72 text = base64.decode(text);
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73 --log("debug", "AUTH: %s", text:gsub("[%z\001-\008\011\012\014-\031]", " "));
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74 if not text then
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75 session.sasl_handler = nil;
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76 session.send(build_reply("failure", "incorrect-encoding"));
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77 return true;
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78 end
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79 end
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80 local status, ret, err_msg = session.sasl_handler:process(text);
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81 status, ret, err_msg = handle_status(session, status, ret, err_msg);
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82 local s = build_reply(status, ret, err_msg);
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83 log("debug", "sasl reply: %s", tostring(s));
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84 session.send(s);
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85 return true;
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86 end
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87
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88 module:hook_tag(xmlns_sasl, "success", function (session)
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89 if session.type ~= "s2sout_unauthed" or session.external_auth ~= "attempting" then return; end
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90 module:log("debug", "SASL EXTERNAL with %s succeeded", session.to_host);
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91 session.external_auth = "succeeded"
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92 session:reset_stream();
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93 session:open_stream(session.from_host, session.to_host);
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94
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95 module:fire_event("s2s-authenticated", { session = session, host = session.to_host });
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96 return true;
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97 end)
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98
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99 module:hook_tag(xmlns_sasl, "failure", function (session, stanza)
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100 if session.type ~= "s2sout_unauthed" or session.external_auth ~= "attempting" then return; end
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101
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102 local text = stanza:get_child_text("text");
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103 local condition = "unknown-condition";
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104 for child in stanza:childtags() do
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105 if child.name ~= "text" then
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106 condition = child.name;
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107 break;
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108 end
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109 end
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110 if text and condition then
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111 condition = condition .. ": " .. text;
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112 end
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113 module:log("info", "SASL EXTERNAL with %s failed: %s", session.to_host, condition);
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114
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115 session.external_auth = "failed"
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116 session.external_auth_failure_reason = condition;
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117 end, 500)
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118
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119 module:hook_tag(xmlns_sasl, "failure", function (session, stanza) -- luacheck: ignore 212/stanza
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120 session.log("debug", "No fallback from SASL EXTERNAL failure, giving up");
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121 session:close(nil, session.external_auth_failure_reason);
8510
149e98f88680 mod_saslauth: Close connection if no fallback kicks in on SASL EXTERNAL failure
Kim Alvefur <zash@zash.se>
parents: 8509
diff changeset
122 return true;
8509
e1d274001855 Backed out changeset 89c42aff8510: The problem in ejabberd has reportedly been resolved and this change causes more problems than it solves (fixes #1006)
Kim Alvefur <zash@zash.se>
parents: 8479
diff changeset
123 end, 90)
e1d274001855 Backed out changeset 89c42aff8510: The problem in ejabberd has reportedly been resolved and this change causes more problems than it solves (fixes #1006)
Kim Alvefur <zash@zash.se>
parents: 8479
diff changeset
124
7960
9a938b785bc5 mod_saslauth: Switch to hook_tag from hook_stanza which was renamed in 2087d42f1e77
Kim Alvefur <zash@zash.se>
parents: 7940
diff changeset
125 module:hook_tag("http://etherx.jabber.org/streams", "features", function (session, stanza)
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
126 if session.type ~= "s2sout_unauthed" or not session.secure then return; end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
127
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
128 local mechanisms = stanza:get_child("mechanisms", xmlns_sasl)
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
129 if mechanisms then
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
130 for mech in mechanisms:childtags() do
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
131 if mech[1] == "EXTERNAL" then
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
132 module:log("debug", "Initiating SASL EXTERNAL with %s", session.to_host);
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
133 local reply = st.stanza("auth", {xmlns = xmlns_sasl, mechanism = "EXTERNAL"});
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
134 reply:text(base64.encode(session.from_host))
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
135 session.sends2s(reply)
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
136 session.external_auth = "attempting"
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
137 return true
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
138 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
139 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
140 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
141 end, 150);
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
142
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
143 local function s2s_external_auth(session, stanza)
6425
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
144 if session.external_auth ~= "offered" then return end -- Unexpected request
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
145
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
146 local mechanism = stanza.attr.mechanism;
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
147
6425
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
148 if mechanism ~= "EXTERNAL" then
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
149 session.sends2s(build_reply("failure", "invalid-mechanism"));
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
150 return true;
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
151 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
152
6425
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
153 if not session.secure then
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
154 session.sends2s(build_reply("failure", "encryption-required"));
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
155 return true;
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
156 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
157
6425
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
158 local text = stanza[1];
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
159 if not text then
6425
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
160 session.sends2s(build_reply("failure", "malformed-request"));
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
161 return true;
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
162 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
163
6425
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
164 text = base64.decode(text);
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
165 if not text then
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
166 session.sends2s(build_reply("failure", "incorrect-encoding"));
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
167 return true;
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
168 end
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
169
6425
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
170 -- The text value is either "" or equals session.from_host
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
171 if not ( text == "" or text == session.from_host ) then
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
172 session.sends2s(build_reply("failure", "invalid-authzid"));
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
173 return true;
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
174 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
175
6425
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
176 -- We've already verified the external cert identity before offering EXTERNAL
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
177 if session.cert_chain_status ~= "valid" or session.cert_identity_status ~= "valid" then
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
178 session.sends2s(build_reply("failure", "not-authorized"));
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
179 session:close();
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
180 return true;
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
181 end
4492
0a4781f165e3 mod_saslauth: "" ~= nil (thanks, Zash!)
Paul Aurich <paul@darkrain42.org>
parents: 4395
diff changeset
182
6425
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
183 -- Success!
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
184 session.external_auth = "succeeded";
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
185 session.sends2s(build_reply("success"));
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
186 module:log("info", "Accepting SASL EXTERNAL identity from %s", session.from_host);
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
187 module:fire_event("s2s-authenticated", { session = session, host = session.from_host });
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
188 session:reset_stream();
6425
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
189 return true;
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
190 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
191
3552
8ad09efc19cc mod_saslauth: Separated processing of <auth/> and <response/> elements, and return proper error on out-of-order <response/> elements.
Waqas Hussain <waqas20@gmail.com>
parents: 3551
diff changeset
192 module:hook("stanza/urn:ietf:params:xml:ns:xmpp-sasl:auth", function(event)
3535
b953b0c0f203 mod_saslauth: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3524
diff changeset
193 local session, stanza = event.origin, event.stanza;
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
194 if session.type == "s2sin_unauthed" then
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
195 return s2s_external_auth(session, stanza)
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
196 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
197
6033
0d6f23049e95 mod_saslauth: Only do c2s SASL on normal VirtualHosts
Kim Alvefur <zash@zash.se>
parents: 5535
diff changeset
198 if session.type ~= "c2s_unauthed" or module:get_host_type() ~= "local" then return; end
3535
b953b0c0f203 mod_saslauth: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3524
diff changeset
199
3553
1f0af8572f15 mod_saslauth: Allow restarting SASL negotiation from scratch.
Waqas Hussain <waqas20@gmail.com>
parents: 3552
diff changeset
200 if session.sasl_handler and session.sasl_handler.selected then
1f0af8572f15 mod_saslauth: Allow restarting SASL negotiation from scratch.
Waqas Hussain <waqas20@gmail.com>
parents: 3552
diff changeset
201 session.sasl_handler = nil; -- allow starting a new SASL negotiation before completing an old one
1f0af8572f15 mod_saslauth: Allow restarting SASL negotiation from scratch.
Waqas Hussain <waqas20@gmail.com>
parents: 3552
diff changeset
202 end
1f0af8572f15 mod_saslauth: Allow restarting SASL negotiation from scratch.
Waqas Hussain <waqas20@gmail.com>
parents: 3552
diff changeset
203 if not session.sasl_handler then
4939
0545a574667b mod_saslauth: Pass session to usermanager.get_sasl_handler()
Matthew Wild <mwild1@gmail.com>
parents: 4754
diff changeset
204 session.sasl_handler = usermanager_get_sasl_handler(module.host, session);
3553
1f0af8572f15 mod_saslauth: Allow restarting SASL negotiation from scratch.
Waqas Hussain <waqas20@gmail.com>
parents: 3552
diff changeset
205 end
3552
8ad09efc19cc mod_saslauth: Separated processing of <auth/> and <response/> elements, and return proper error on out-of-order <response/> elements.
Waqas Hussain <waqas20@gmail.com>
parents: 3551
diff changeset
206 local mechanism = stanza.attr.mechanism;
6490
8ad74f48b2aa mod_saslauth: Use a configurable set of mechanisms to not allow over unencrypted connections
Kim Alvefur <zash@zash.se>
parents: 6489
diff changeset
207 if not session.secure and (secure_auth_only or insecure_mechanisms:contains(mechanism)) then
3552
8ad09efc19cc mod_saslauth: Separated processing of <auth/> and <response/> elements, and return proper error on out-of-order <response/> elements.
Waqas Hussain <waqas20@gmail.com>
parents: 3551
diff changeset
208 session.send(build_reply("failure", "encryption-required"));
8ad09efc19cc mod_saslauth: Separated processing of <auth/> and <response/> elements, and return proper error on out-of-order <response/> elements.
Waqas Hussain <waqas20@gmail.com>
parents: 3551
diff changeset
209 return true;
6492
0d07fdc07d8c mod_saslauth: Make it possible to disable certain mechanisms
Kim Alvefur <zash@zash.se>
parents: 6491
diff changeset
210 elseif disabled_mechanisms:contains(mechanism) then
0d07fdc07d8c mod_saslauth: Make it possible to disable certain mechanisms
Kim Alvefur <zash@zash.se>
parents: 6491
diff changeset
211 session.send(build_reply("failure", "invalid-mechanism"));
0d07fdc07d8c mod_saslauth: Make it possible to disable certain mechanisms
Kim Alvefur <zash@zash.se>
parents: 6491
diff changeset
212 return true;
3552
8ad09efc19cc mod_saslauth: Separated processing of <auth/> and <response/> elements, and return proper error on out-of-order <response/> elements.
Waqas Hussain <waqas20@gmail.com>
parents: 3551
diff changeset
213 end
8ad09efc19cc mod_saslauth: Separated processing of <auth/> and <response/> elements, and return proper error on out-of-order <response/> elements.
Waqas Hussain <waqas20@gmail.com>
parents: 3551
diff changeset
214 local valid_mechanism = session.sasl_handler:select(mechanism);
8ad09efc19cc mod_saslauth: Separated processing of <auth/> and <response/> elements, and return proper error on out-of-order <response/> elements.
Waqas Hussain <waqas20@gmail.com>
parents: 3551
diff changeset
215 if not valid_mechanism then
8ad09efc19cc mod_saslauth: Separated processing of <auth/> and <response/> elements, and return proper error on out-of-order <response/> elements.
Waqas Hussain <waqas20@gmail.com>
parents: 3551
diff changeset
216 session.send(build_reply("failure", "invalid-mechanism"));
8ad09efc19cc mod_saslauth: Separated processing of <auth/> and <response/> elements, and return proper error on out-of-order <response/> elements.
Waqas Hussain <waqas20@gmail.com>
parents: 3551
diff changeset
217 return true;
295
bb078eb1f1de mod_saslauth: Code cleanup
Waqas Hussain <waqas20@gmail.com>
parents: 293
diff changeset
218 end
3551
4fba723ab235 mod_saslauth: Moved SASL mechanism selection and CDATA handling into separate functions.
Waqas Hussain <waqas20@gmail.com>
parents: 3548
diff changeset
219 return sasl_process_cdata(session, stanza);
3552
8ad09efc19cc mod_saslauth: Separated processing of <auth/> and <response/> elements, and return proper error on out-of-order <response/> elements.
Waqas Hussain <waqas20@gmail.com>
parents: 3551
diff changeset
220 end);
8ad09efc19cc mod_saslauth: Separated processing of <auth/> and <response/> elements, and return proper error on out-of-order <response/> elements.
Waqas Hussain <waqas20@gmail.com>
parents: 3551
diff changeset
221 module:hook("stanza/urn:ietf:params:xml:ns:xmpp-sasl:response", function(event)
8ad09efc19cc mod_saslauth: Separated processing of <auth/> and <response/> elements, and return proper error on out-of-order <response/> elements.
Waqas Hussain <waqas20@gmail.com>
parents: 3551
diff changeset
222 local session = event.origin;
8ad09efc19cc mod_saslauth: Separated processing of <auth/> and <response/> elements, and return proper error on out-of-order <response/> elements.
Waqas Hussain <waqas20@gmail.com>
parents: 3551
diff changeset
223 if not(session.sasl_handler and session.sasl_handler.selected) then
8ad09efc19cc mod_saslauth: Separated processing of <auth/> and <response/> elements, and return proper error on out-of-order <response/> elements.
Waqas Hussain <waqas20@gmail.com>
parents: 3551
diff changeset
224 session.send(build_reply("failure", "not-authorized", "Out of order SASL element"));
8ad09efc19cc mod_saslauth: Separated processing of <auth/> and <response/> elements, and return proper error on out-of-order <response/> elements.
Waqas Hussain <waqas20@gmail.com>
parents: 3551
diff changeset
225 return true;
8ad09efc19cc mod_saslauth: Separated processing of <auth/> and <response/> elements, and return proper error on out-of-order <response/> elements.
Waqas Hussain <waqas20@gmail.com>
parents: 3551
diff changeset
226 end
8ad09efc19cc mod_saslauth: Separated processing of <auth/> and <response/> elements, and return proper error on out-of-order <response/> elements.
Waqas Hussain <waqas20@gmail.com>
parents: 3551
diff changeset
227 return sasl_process_cdata(session, event.stanza);
8ad09efc19cc mod_saslauth: Separated processing of <auth/> and <response/> elements, and return proper error on out-of-order <response/> elements.
Waqas Hussain <waqas20@gmail.com>
parents: 3551
diff changeset
228 end);
3548
cd8d1cacc65b mod_saslauth: Handle SASL <abort/> properly.
Waqas Hussain <waqas20@gmail.com>
parents: 3535
diff changeset
229 module:hook("stanza/urn:ietf:params:xml:ns:xmpp-sasl:abort", function(event)
cd8d1cacc65b mod_saslauth: Handle SASL <abort/> properly.
Waqas Hussain <waqas20@gmail.com>
parents: 3535
diff changeset
230 local session = event.origin;
cd8d1cacc65b mod_saslauth: Handle SASL <abort/> properly.
Waqas Hussain <waqas20@gmail.com>
parents: 3535
diff changeset
231 session.sasl_handler = nil;
cd8d1cacc65b mod_saslauth: Handle SASL <abort/> properly.
Waqas Hussain <waqas20@gmail.com>
parents: 3535
diff changeset
232 session.send(build_reply("failure", "aborted"));
cd8d1cacc65b mod_saslauth: Handle SASL <abort/> properly.
Waqas Hussain <waqas20@gmail.com>
parents: 3535
diff changeset
233 return true;
cd8d1cacc65b mod_saslauth: Handle SASL <abort/> properly.
Waqas Hussain <waqas20@gmail.com>
parents: 3535
diff changeset
234 end);
284
4f540755260c mod_saslauth: Added base64 decoding, encoding check, and cleaned the code up.
Waqas Hussain <waqas20@gmail.com>
parents: 281
diff changeset
235
6518
c0d221b0c94c mod_saslauth: Break out tls-unique channel binding callback so it is instantiated once
Kim Alvefur <zash@zash.se>
parents: 6517
diff changeset
236 local function tls_unique(self)
6519
367db22cf7d2 mod_saslauth: Make it easier to support multiple channel binding methonds
Kim Alvefur <zash@zash.se>
parents: 6518
diff changeset
237 return self.userdata["tls-unique"]:getpeerfinished();
6518
c0d221b0c94c mod_saslauth: Break out tls-unique channel binding callback so it is instantiated once
Kim Alvefur <zash@zash.se>
parents: 6517
diff changeset
238 end
c0d221b0c94c mod_saslauth: Break out tls-unique channel binding callback so it is instantiated once
Kim Alvefur <zash@zash.se>
parents: 6517
diff changeset
239
357
17bcecb06420 Use a stanza for c2s stream features instead of an array of strings. Removes a FIXME.
Matthew Wild <mwild1@gmail.com>
parents: 313
diff changeset
240 local mechanisms_attr = { xmlns='urn:ietf:params:xml:ns:xmpp-sasl' };
17bcecb06420 Use a stanza for c2s stream features instead of an array of strings. Removes a FIXME.
Matthew Wild <mwild1@gmail.com>
parents: 313
diff changeset
241 local bind_attr = { xmlns='urn:ietf:params:xml:ns:xmpp-bind' };
17bcecb06420 Use a stanza for c2s stream features instead of an array of strings. Removes a FIXME.
Matthew Wild <mwild1@gmail.com>
parents: 313
diff changeset
242 local xmpp_session_attr = { xmlns='urn:ietf:params:xml:ns:xmpp-session' };
2612
475552b04151 mod_saslauth: Hook stream-features event using new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 2451
diff changeset
243 module:hook("stream-features", function(event)
475552b04151 mod_saslauth: Hook stream-features event using new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 2451
diff changeset
244 local origin, features = event.origin, event.features;
7896
1a2674123c1c mod_saslauth: Cache logger in local for less typing
Kim Alvefur <zash@zash.se>
parents: 7784
diff changeset
245 local log = origin.log or log;
2612
475552b04151 mod_saslauth: Hook stream-features event using new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 2451
diff changeset
246 if not origin.username then
475552b04151 mod_saslauth: Hook stream-features event using new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 2451
diff changeset
247 if secure_auth_only and not origin.secure then
7897
08bde6a6fd56 mod_saslauth: Improve logging as to why when SASL is not offered
Kim Alvefur <zash@zash.se>
parents: 7896
diff changeset
248 log("debug", "Not offering authentication on insecure connection");
2451
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
249 return;
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
250 end
6517
e733e98a348a mod_saslauth: Keep sasl_handler in a local variable
Kim Alvefur <zash@zash.se>
parents: 6493
diff changeset
251 local sasl_handler = usermanager_get_sasl_handler(module.host, origin)
e733e98a348a mod_saslauth: Keep sasl_handler in a local variable
Kim Alvefur <zash@zash.se>
parents: 6493
diff changeset
252 origin.sasl_handler = sasl_handler;
5860
87e2fafba5df mod_saslauth: Collect data for channel binding only if we know for sure that the stream is encrypted
Kim Alvefur <zash@zash.se>
parents: 5843
diff changeset
253 if origin.encrypted then
5838
a2659baf8332 mod_saslauth: Check whether LuaSec supports getpeerfinished() binding.
Tobias Markmann <tm@ayena.de>
parents: 5834
diff changeset
254 -- check wether LuaSec has the nifty binding to the function needed for tls-unique
a2659baf8332 mod_saslauth: Check whether LuaSec supports getpeerfinished() binding.
Tobias Markmann <tm@ayena.de>
parents: 5834
diff changeset
255 -- FIXME: would be nice to have this check only once and not for every socket
6518
c0d221b0c94c mod_saslauth: Break out tls-unique channel binding callback so it is instantiated once
Kim Alvefur <zash@zash.se>
parents: 6517
diff changeset
256 if sasl_handler.add_cb_handler then
c0d221b0c94c mod_saslauth: Break out tls-unique channel binding callback so it is instantiated once
Kim Alvefur <zash@zash.se>
parents: 6517
diff changeset
257 local socket = origin.conn:socket();
11212
1bfd238e05ad mod_saslauth: Disable 'tls-unique' channel binding with TLS 1.3 (closes #1542)
Kim Alvefur <zash@zash.se>
parents: 8513
diff changeset
258 local info = socket.info and socket:info();
1bfd238e05ad mod_saslauth: Disable 'tls-unique' channel binding with TLS 1.3 (closes #1542)
Kim Alvefur <zash@zash.se>
parents: 8513
diff changeset
259 if info.protocol == "TLSv1.3" then
1bfd238e05ad mod_saslauth: Disable 'tls-unique' channel binding with TLS 1.3 (closes #1542)
Kim Alvefur <zash@zash.se>
parents: 8513
diff changeset
260 log("debug", "Channel binding 'tls-unique' undefined in context of TLS 1.3");
11213
992c4498a1e3 mod_saslauth: Only advertise channel binding if a finished message is available
Kim Alvefur <zash@zash.se>
parents: 11212
diff changeset
261 elseif socket.getpeerfinished and socket:getpeerfinished() then
6518
c0d221b0c94c mod_saslauth: Break out tls-unique channel binding callback so it is instantiated once
Kim Alvefur <zash@zash.se>
parents: 6517
diff changeset
262 sasl_handler:add_cb_handler("tls-unique", tls_unique);
c0d221b0c94c mod_saslauth: Break out tls-unique channel binding callback so it is instantiated once
Kim Alvefur <zash@zash.se>
parents: 6517
diff changeset
263 end
6519
367db22cf7d2 mod_saslauth: Make it easier to support multiple channel binding methonds
Kim Alvefur <zash@zash.se>
parents: 6518
diff changeset
264 sasl_handler["userdata"] = {
367db22cf7d2 mod_saslauth: Make it easier to support multiple channel binding methonds
Kim Alvefur <zash@zash.se>
parents: 6518
diff changeset
265 ["tls-unique"] = socket;
367db22cf7d2 mod_saslauth: Make it easier to support multiple channel binding methonds
Kim Alvefur <zash@zash.se>
parents: 6518
diff changeset
266 };
5838
a2659baf8332 mod_saslauth: Check whether LuaSec supports getpeerfinished() binding.
Tobias Markmann <tm@ayena.de>
parents: 5834
diff changeset
267 end
5832
7d100d917243 mod_saslauth: Set secure socket as SASL object user data for secure sessions.
Tobias Markmann <tm@ayena.de>
parents: 3983
diff changeset
268 end
4395
d322c4553f97 mod_saslauth: Never send empty <mechanisms/>, for real this time.
Waqas Hussain <waqas20@gmail.com>
parents: 4392
diff changeset
269 local mechanisms = st.stanza("mechanisms", mechanisms_attr);
7897
08bde6a6fd56 mod_saslauth: Improve logging as to why when SASL is not offered
Kim Alvefur <zash@zash.se>
parents: 7896
diff changeset
270 local sasl_mechanisms = sasl_handler:mechanisms()
08bde6a6fd56 mod_saslauth: Improve logging as to why when SASL is not offered
Kim Alvefur <zash@zash.se>
parents: 7896
diff changeset
271 for mechanism in pairs(sasl_mechanisms) do
08bde6a6fd56 mod_saslauth: Improve logging as to why when SASL is not offered
Kim Alvefur <zash@zash.se>
parents: 7896
diff changeset
272 if disabled_mechanisms:contains(mechanism) then
08bde6a6fd56 mod_saslauth: Improve logging as to why when SASL is not offered
Kim Alvefur <zash@zash.se>
parents: 7896
diff changeset
273 log("debug", "Not offering disabled mechanism %s", mechanism);
08bde6a6fd56 mod_saslauth: Improve logging as to why when SASL is not offered
Kim Alvefur <zash@zash.se>
parents: 7896
diff changeset
274 elseif not origin.secure and insecure_mechanisms:contains(mechanism) then
08bde6a6fd56 mod_saslauth: Improve logging as to why when SASL is not offered
Kim Alvefur <zash@zash.se>
parents: 7896
diff changeset
275 log("debug", "Not offering mechanism %s on insecure connection", mechanism);
08bde6a6fd56 mod_saslauth: Improve logging as to why when SASL is not offered
Kim Alvefur <zash@zash.se>
parents: 7896
diff changeset
276 else
8479
867679b0fb03 mod_saslauth: Log which mechanisms are offered
Kim Alvefur <zash@zash.se>
parents: 8234
diff changeset
277 log("debug", "Offering mechanism %s", mechanism);
4395
d322c4553f97 mod_saslauth: Never send empty <mechanisms/>, for real this time.
Waqas Hussain <waqas20@gmail.com>
parents: 4392
diff changeset
278 mechanisms:tag("mechanism"):text(mechanism):up();
3417
53e854b52110 mod_saslauth: Check for unencrypted PLAIN auth in mod_saslauth instead of the SASL handler (makes it work for Cyrus SASL).
Waqas Hussain <waqas20@gmail.com>
parents: 3416
diff changeset
279 end
2451
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
280 end
6489
1f07c72112d2 mod_saslauth: Log warning if no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents: 6488
diff changeset
281 if mechanisms[1] then
1f07c72112d2 mod_saslauth: Log warning if no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents: 6488
diff changeset
282 features:add_child(mechanisms);
7897
08bde6a6fd56 mod_saslauth: Improve logging as to why when SASL is not offered
Kim Alvefur <zash@zash.se>
parents: 7896
diff changeset
283 elseif not next(sasl_mechanisms) then
08bde6a6fd56 mod_saslauth: Improve logging as to why when SASL is not offered
Kim Alvefur <zash@zash.se>
parents: 7896
diff changeset
284 log("warn", "No available SASL mechanisms, verify that the configured authentication module is working");
6489
1f07c72112d2 mod_saslauth: Log warning if no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents: 6488
diff changeset
285 else
7897
08bde6a6fd56 mod_saslauth: Improve logging as to why when SASL is not offered
Kim Alvefur <zash@zash.se>
parents: 7896
diff changeset
286 log("warn", "All available authentication mechanisms are either disabled or not suitable for an insecure connection");
6489
1f07c72112d2 mod_saslauth: Log warning if no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents: 6488
diff changeset
287 end
2451
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
288 else
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
289 features:tag("bind", bind_attr):tag("required"):up():up();
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
290 features:tag("session", xmpp_session_attr):tag("optional"):up():up();
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
291 end
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
292 end);
1584
ffe8a9296e04 mod_saslauth, usermanager: Fetch list of mechanisms from usermanager
Nick Thomas
parents: 1523
diff changeset
293
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
294 module:hook("s2s-stream-features", function(event)
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
295 local origin, features = event.origin, event.features;
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
296 if origin.secure and origin.type == "s2sin_unauthed" then
6425
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
297 -- Offer EXTERNAL only if both chain and identity is valid.
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
298 if origin.cert_chain_status == "valid" and origin.cert_identity_status == "valid" then
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
299 module:log("debug", "Offering SASL EXTERNAL");
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
300 origin.external_auth = "offered"
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
301 features:tag("mechanisms", { xmlns = xmlns_sasl })
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
302 :tag("mechanism"):text("EXTERNAL")
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
303 :up():up();
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
304 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
305 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
306 end);
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
307
7784
9f70d35a1602 core.sessionmanager, mod_saslauth: Introduce intermediate session type for authenticated but unbound sessions so that resource binding is not treated as a normal stanza
Kim Alvefur <zash@zash.se>
parents: 7298
diff changeset
308 module:hook("stanza/iq/urn:ietf:params:xml:ns:xmpp-bind:bind", function(event)
3523
32a0c3816d73 mod_saslauth: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3468
diff changeset
309 local origin, stanza = event.origin, event.stanza;
2451
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
310 local resource;
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
311 if stanza.attr.type == "set" then
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
312 local bind = stanza.tags[1];
6302
76699a0ae4c4 mod_lastactivity, mod_legacyauth, mod_presence, mod_saslauth, mod_tls: Use the newer stanza:get_child APIs and optimize away some table lookups
Kim Alvefur <zash@zash.se>
parents: 6038
diff changeset
313 resource = bind:get_child("resource");
3523
32a0c3816d73 mod_saslauth: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3468
diff changeset
314 resource = resource and #resource.tags == 0 and resource[1] or nil;
2451
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
315 end
3523
32a0c3816d73 mod_saslauth: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3468
diff changeset
316 local success, err_type, err, err_msg = sm_bind_resource(origin, resource);
32a0c3816d73 mod_saslauth: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3468
diff changeset
317 if success then
32a0c3816d73 mod_saslauth: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3468
diff changeset
318 origin.send(st.reply(stanza)
32a0c3816d73 mod_saslauth: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3468
diff changeset
319 :tag("bind", { xmlns = xmlns_bind })
32a0c3816d73 mod_saslauth: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3468
diff changeset
320 :tag("jid"):text(origin.full_jid));
3524
d206b4e0a9f3 mod_saslauth: Improved logging a bit.
Waqas Hussain <waqas20@gmail.com>
parents: 3523
diff changeset
321 origin.log("debug", "Resource bound: %s", origin.full_jid);
2451
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
322 else
3523
32a0c3816d73 mod_saslauth: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3468
diff changeset
323 origin.send(st.error_reply(stanza, err_type, err, err_msg));
3524
d206b4e0a9f3 mod_saslauth: Improved logging a bit.
Waqas Hussain <waqas20@gmail.com>
parents: 3523
diff changeset
324 origin.log("debug", "Resource bind failed: %s", err_msg or err);
2451
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
325 end
3523
32a0c3816d73 mod_saslauth: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3468
diff changeset
326 return true;
2451
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
327 end);
1584
ffe8a9296e04 mod_saslauth, usermanager: Fetch list of mechanisms from usermanager
Nick Thomas
parents: 1523
diff changeset
328
4029
fb027b2811c2 mod_saslauth: Handle session bind requests to the host, fixes OneTeam login
Matthew Wild <mwild1@gmail.com>
parents: 3553
diff changeset
329 local function handle_legacy_session(event)
3523
32a0c3816d73 mod_saslauth: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3468
diff changeset
330 event.origin.send(st.reply(event.stanza));
32a0c3816d73 mod_saslauth: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3468
diff changeset
331 return true;
4029
fb027b2811c2 mod_saslauth: Handle session bind requests to the host, fixes OneTeam login
Matthew Wild <mwild1@gmail.com>
parents: 3553
diff changeset
332 end
fb027b2811c2 mod_saslauth: Handle session bind requests to the host, fixes OneTeam login
Matthew Wild <mwild1@gmail.com>
parents: 3553
diff changeset
333
fb027b2811c2 mod_saslauth: Handle session bind requests to the host, fixes OneTeam login
Matthew Wild <mwild1@gmail.com>
parents: 3553
diff changeset
334 module:hook("iq/self/urn:ietf:params:xml:ns:xmpp-session:session", handle_legacy_session);
fb027b2811c2 mod_saslauth: Handle session bind requests to the host, fixes OneTeam login
Matthew Wild <mwild1@gmail.com>
parents: 3553
diff changeset
335 module:hook("iq/host/urn:ietf:params:xml:ns:xmpp-session:session", handle_legacy_session);