Annotate

plugins/mod_saslauth.lua @ 6487:edc63dc72566

mod_legacyauth, mod_saslauth, mod_tls: Pass require_encryption as default option to s2s_require_encryption so the later overrides the former
author Kim Alvefur <zash@zash.se>
date Tue, 21 Oct 2014 12:49:03 +0200
parent 6427:7653bbd5247e
child 6488:c91193b7e72c
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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
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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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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("c2s_require_encryption", module:get_option("require_encryption"));
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20 local allow_unencrypted_plain_auth = module:get_option("allow_unencrypted_plain_auth")
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21
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22 local log = module._log;
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23
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24 local xmlns_sasl ='urn:ietf:params:xml:ns:xmpp-sasl';
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25 local xmlns_bind ='urn:ietf:params:xml:ns:xmpp-bind';
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26
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27 local function build_reply(status, ret, err_msg)
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28 local reply = st.stanza(status, {xmlns = xmlns_sasl});
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29 if status == "failure" then
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30 reply:tag(ret):up();
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31 if err_msg then reply:tag("text"):text(err_msg); end
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32 elseif status == "challenge" or status == "success" then
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33 if ret == "" then
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34 reply:text("=")
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35 elseif ret then
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36 reply:text(base64.encode(ret));
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37 end
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38 else
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39 module:log("error", "Unknown sasl status: %s", status);
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40 end
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41 return reply;
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42 end
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43
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44 local function handle_status(session, status, ret, err_msg)
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45 if status == "failure" then
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46 module:fire_event("authentication-failure", { session = session, condition = ret, text = err_msg });
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47 session.sasl_handler = session.sasl_handler:clean_clone();
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48 elseif status == "success" then
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49 local ok, err = sm_make_authenticated(session, session.sasl_handler.username);
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50 if ok then
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51 module:fire_event("authentication-success", { session = session });
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52 session.sasl_handler = nil;
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53 session:reset_stream();
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54 else
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55 module:log("warn", "SASL succeeded but username was invalid");
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56 module:fire_event("authentication-failure", { session = session, condition = "not-authorized", text = err });
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57 session.sasl_handler = session.sasl_handler:clean_clone();
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58 return "failure", "not-authorized", "User authenticated successfully, but username was invalid";
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59 end
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60 end
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61 return status, ret, err_msg;
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62 end
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63
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64 local function sasl_process_cdata(session, stanza)
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65 local text = stanza[1];
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66 if text then
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67 text = base64.decode(text);
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68 --log("debug", "AUTH: %s", text:gsub("[%z\001-\008\011\012\014-\031]", " "));
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69 if not text then
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70 session.sasl_handler = nil;
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71 session.send(build_reply("failure", "incorrect-encoding"));
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72 return true;
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73 end
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74 end
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75 local status, ret, err_msg = session.sasl_handler:process(text);
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76 status, ret, err_msg = handle_status(session, status, ret, err_msg);
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77 local s = build_reply(status, ret, err_msg);
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78 log("debug", "sasl reply: %s", tostring(s));
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79 session.send(s);
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80 return true;
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81 end
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82
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83 module:hook_stanza(xmlns_sasl, "success", function (session, stanza)
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84 if session.type ~= "s2sout_unauthed" or session.external_auth ~= "attempting" then return; end
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85 module:log("debug", "SASL EXTERNAL with %s succeeded", session.to_host);
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86 session.external_auth = "succeeded"
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87 session:reset_stream();
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88 session:open_stream(session.from_host, session.to_host);
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89
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90 module:fire_event("s2s-authenticated", { session = session, host = session.to_host });
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91 return true;
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92 end)
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93
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94 module:hook_stanza(xmlns_sasl, "failure", function (session, stanza)
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95 if session.type ~= "s2sout_unauthed" or session.external_auth ~= "attempting" then return; end
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96
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97 module:log("info", "SASL EXTERNAL with %s failed", session.to_host)
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98 -- TODO: Log the failure reason
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99 session.external_auth = "failed"
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100 session:close();
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101 return true;
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102 end, 500)
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103
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104 module:hook_stanza("http://etherx.jabber.org/streams", "features", function (session, stanza)
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105 if session.type ~= "s2sout_unauthed" or not session.secure then return; end
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106
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107 local mechanisms = stanza:get_child("mechanisms", xmlns_sasl)
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108 if mechanisms then
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109 for mech in mechanisms:childtags() do
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110 if mech[1] == "EXTERNAL" then
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111 module:log("debug", "Initiating SASL EXTERNAL with %s", session.to_host);
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112 local reply = st.stanza("auth", {xmlns = xmlns_sasl, mechanism = "EXTERNAL"});
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113 reply:text(base64.encode(session.from_host))
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114 session.sends2s(reply)
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115 session.external_auth = "attempting"
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116 return true
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117 end
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118 end
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119 end
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120 end, 150);
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121
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122 local function s2s_external_auth(session, stanza)
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123 if session.external_auth ~= "offered" then return end -- Unexpected request
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124
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parents: 3553
diff changeset
125 local mechanism = stanza.attr.mechanism;
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
126
6425
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
127 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
128 session.sends2s(build_reply("failure", "invalid-mechanism"));
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
129 return true;
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
130 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
131
6425
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
132 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
133 session.sends2s(build_reply("failure", "encryption-required"));
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
134 return true;
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
135 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
136
6425
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
137 local text = stanza[1];
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
138 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
139 session.sends2s(build_reply("failure", "malformed-request"));
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
140 return true;
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
141 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
142
6425
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
143 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
144 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
145 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
146 return true;
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
147 end
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
148
6425
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
149 -- 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
150 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
151 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
152 return true;
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
153 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
154
6425
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
155 -- 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
156 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
157 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
158 session:close();
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
159 return true;
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
160 end
4492
0a4781f165e3 mod_saslauth: "" ~= nil (thanks, Zash!)
Paul Aurich <paul@darkrain42.org>
parents: 4395
diff changeset
161
6425
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
162 -- Success!
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
163 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
164 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
165 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
166 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
167 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
168 return true;
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
169 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
170
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
171 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
172 local session, stanza = event.origin, event.stanza;
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
173 if session.type == "s2sin_unauthed" then
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
174 return s2s_external_auth(session, stanza)
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
175 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
176
6033
0d6f23049e95 mod_saslauth: Only do c2s SASL on normal VirtualHosts
Kim Alvefur <zash@zash.se>
parents: 5535
diff changeset
177 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
178
3553
1f0af8572f15 mod_saslauth: Allow restarting SASL negotiation from scratch.
Waqas Hussain <waqas20@gmail.com>
parents: 3552
diff changeset
179 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
180 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
181 end
1f0af8572f15 mod_saslauth: Allow restarting SASL negotiation from scratch.
Waqas Hussain <waqas20@gmail.com>
parents: 3552
diff changeset
182 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
183 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
184 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
185 local mechanism = stanza.attr.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
186 if not session.secure and (secure_auth_only or (mechanism == "PLAIN" and not allow_unencrypted_plain_auth)) 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
187 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
188 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
189 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
190 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
191 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
192 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
193 return true;
295
bb078eb1f1de mod_saslauth: Code cleanup
Waqas Hussain <waqas20@gmail.com>
parents: 293
diff changeset
194 end
3551
4fba723ab235 mod_saslauth: Moved SASL mechanism selection and CDATA handling into separate functions.
Waqas Hussain <waqas20@gmail.com>
parents: 3548
diff changeset
195 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
196 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
197 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
198 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
199 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
200 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
201 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
202 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
203 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
204 end);
3548
cd8d1cacc65b mod_saslauth: Handle SASL <abort/> properly.
Waqas Hussain <waqas20@gmail.com>
parents: 3535
diff changeset
205 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
206 local session = event.origin;
cd8d1cacc65b mod_saslauth: Handle SASL <abort/> properly.
Waqas Hussain <waqas20@gmail.com>
parents: 3535
diff changeset
207 session.sasl_handler = nil;
cd8d1cacc65b mod_saslauth: Handle SASL <abort/> properly.
Waqas Hussain <waqas20@gmail.com>
parents: 3535
diff changeset
208 session.send(build_reply("failure", "aborted"));
cd8d1cacc65b mod_saslauth: Handle SASL <abort/> properly.
Waqas Hussain <waqas20@gmail.com>
parents: 3535
diff changeset
209 return true;
cd8d1cacc65b mod_saslauth: Handle SASL <abort/> properly.
Waqas Hussain <waqas20@gmail.com>
parents: 3535
diff changeset
210 end);
284
4f540755260c mod_saslauth: Added base64 decoding, encoding check, and cleaned the code up.
Waqas Hussain <waqas20@gmail.com>
parents: 281
diff changeset
211
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
212 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
213 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
214 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
215 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
216 local origin, features = event.origin, event.features;
475552b04151 mod_saslauth: Hook stream-features event using new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 2451
diff changeset
217 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
218 if secure_auth_only and not origin.secure then
2451
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
219 return;
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
220 end
4939
0545a574667b mod_saslauth: Pass session to usermanager.get_sasl_handler()
Matthew Wild <mwild1@gmail.com>
parents: 4754
diff changeset
221 origin.sasl_handler = usermanager_get_sasl_handler(module.host, origin);
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
222 if origin.encrypted then
5838
a2659baf8332 mod_saslauth: Check whether LuaSec supports getpeerfinished() binding.
Tobias Markmann <tm@ayena.de>
parents: 5834
diff changeset
223 -- 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
224 -- FIXME: would be nice to have this check only once and not for every socket
6014
d61026bee038 mod_saslauth: Make sure sasl handler has add_cb_handler (fixes #392)
Kim Alvefur <zash@zash.se>
parents: 5860
diff changeset
225 if origin.conn:socket().getpeerfinished and origin.sasl_handler.add_cb_handler then
5838
a2659baf8332 mod_saslauth: Check whether LuaSec supports getpeerfinished() binding.
Tobias Markmann <tm@ayena.de>
parents: 5834
diff changeset
226 origin.sasl_handler:add_cb_handler("tls-unique", function(self)
a2659baf8332 mod_saslauth: Check whether LuaSec supports getpeerfinished() binding.
Tobias Markmann <tm@ayena.de>
parents: 5834
diff changeset
227 return self.userdata:getpeerfinished();
a2659baf8332 mod_saslauth: Check whether LuaSec supports getpeerfinished() binding.
Tobias Markmann <tm@ayena.de>
parents: 5834
diff changeset
228 end);
a2659baf8332 mod_saslauth: Check whether LuaSec supports getpeerfinished() binding.
Tobias Markmann <tm@ayena.de>
parents: 5834
diff changeset
229 origin.sasl_handler["userdata"] = origin.conn:socket();
a2659baf8332 mod_saslauth: Check whether LuaSec supports getpeerfinished() binding.
Tobias Markmann <tm@ayena.de>
parents: 5834
diff changeset
230 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
231 end
4395
d322c4553f97 mod_saslauth: Never send empty <mechanisms/>, for real this time.
Waqas Hussain <waqas20@gmail.com>
parents: 4392
diff changeset
232 local mechanisms = st.stanza("mechanisms", mechanisms_attr);
d322c4553f97 mod_saslauth: Never send empty <mechanisms/>, for real this time.
Waqas Hussain <waqas20@gmail.com>
parents: 4392
diff changeset
233 for mechanism in pairs(origin.sasl_handler:mechanisms()) do
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
234 if mechanism ~= "PLAIN" or origin.secure or allow_unencrypted_plain_auth then
4395
d322c4553f97 mod_saslauth: Never send empty <mechanisms/>, for real this time.
Waqas Hussain <waqas20@gmail.com>
parents: 4392
diff changeset
235 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
236 end
2451
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
237 end
4395
d322c4553f97 mod_saslauth: Never send empty <mechanisms/>, for real this time.
Waqas Hussain <waqas20@gmail.com>
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238 if mechanisms[1] then features:add_child(mechanisms); end
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239 else
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240 features:tag("bind", bind_attr):tag("required"):up():up();
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241 features:tag("session", xmpp_session_attr):tag("optional"):up():up();
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242 end
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243 end);
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Nick Thomas
parents: 1523
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244
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Paul Aurich <paul@darkrain42.org>
parents: 3553
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245 module:hook("s2s-stream-features", function(event)
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246 local origin, features = event.origin, event.features;
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247 if origin.secure and origin.type == "s2sin_unauthed" then
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436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
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248 -- Offer EXTERNAL only if both chain and identity is valid.
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Kim Alvefur <zash@zash.se>
parents: 6424
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249 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
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250 module:log("debug", "Offering SASL EXTERNAL");
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Kim Alvefur <zash@zash.se>
parents: 6424
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251 origin.external_auth = "offered"
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252 features:tag("mechanisms", { xmlns = xmlns_sasl })
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253 :tag("mechanism"):text("EXTERNAL")
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254 :up():up();
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255 end
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Paul Aurich <paul@darkrain42.org>
parents: 3553
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256 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
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257 end);
337391d34b70 s2s: SASL EXTERNAL
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parents: 3553
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258
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parents: 3468
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259 module:hook("iq/self/urn:ietf:params:xml:ns:xmpp-bind:bind", function(event)
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260 local origin, stanza = event.origin, event.stanza;
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261 local resource;
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262 if stanza.attr.type == "set" then
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263 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
264 resource = bind:get_child("resource");
3523
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parents: 3468
diff changeset
265 resource = resource and #resource.tags == 0 and resource[1] or nil;
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parents: 2450
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266 end
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parents: 3468
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267 local success, err_type, err, err_msg = sm_bind_resource(origin, resource);
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268 if success then
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parents: 3468
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269 origin.send(st.reply(stanza)
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270 :tag("bind", { xmlns = xmlns_bind })
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271 :tag("jid"):text(origin.full_jid));
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d206b4e0a9f3 mod_saslauth: Improved logging a bit.
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parents: 3523
diff changeset
272 origin.log("debug", "Resource bound: %s", origin.full_jid);
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273 else
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parents: 3468
diff changeset
274 origin.send(st.error_reply(stanza, err_type, err, err_msg));
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d206b4e0a9f3 mod_saslauth: Improved logging a bit.
Waqas Hussain <waqas20@gmail.com>
parents: 3523
diff changeset
275 origin.log("debug", "Resource bind failed: %s", err_msg or err);
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parents: 2450
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276 end
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277 return true;
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parents: 2450
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278 end);
1584
ffe8a9296e04 mod_saslauth, usermanager: Fetch list of mechanisms from usermanager
Nick Thomas
parents: 1523
diff changeset
279
4029
fb027b2811c2 mod_saslauth: Handle session bind requests to the host, fixes OneTeam login
Matthew Wild <mwild1@gmail.com>
parents: 3553
diff changeset
280 local function handle_legacy_session(event)
3523
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Waqas Hussain <waqas20@gmail.com>
parents: 3468
diff changeset
281 event.origin.send(st.reply(event.stanza));
32a0c3816d73 mod_saslauth: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3468
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282 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
283 end
fb027b2811c2 mod_saslauth: Handle session bind requests to the host, fixes OneTeam login
Matthew Wild <mwild1@gmail.com>
parents: 3553
diff changeset
284
fb027b2811c2 mod_saslauth: Handle session bind requests to the host, fixes OneTeam login
Matthew Wild <mwild1@gmail.com>
parents: 3553
diff changeset
285 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
286 module:hook("iq/host/urn:ietf:params:xml:ns:xmpp-session:session", handle_legacy_session);