prosody
817cadf6be92
plugins/mod_saslauth.lua

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plugins/mod_saslauth.lua @ 11320:817cadf6be92

mod_http_file_share: Handle content-type being optional
author Kim Alvefur <zash@zash.se>
date Wed, 27 Jan 2021 09:47:21 +0100
parent 11214:5fb6563eee1e
child 11514:11186af62c87
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1523
841d61be198f Remove version number from copyright headers
Matthew Wild <mwild1@gmail.com>
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diff changeset
1 -- Prosody IM
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b7049746bd29 Update copyright headers for 2010
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2 -- Copyright (C) 2008-2010 Matthew Wild
b7049746bd29 Update copyright headers for 2010
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3 -- Copyright (C) 2008-2010 Waqas Hussain
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bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
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4 --
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b1885732e979 GPL->MIT!
Matthew Wild <mwild1@gmail.com>
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5 -- This project is MIT/X11 licensed. Please see the
b1885732e979 GPL->MIT!
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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
38
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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 local set = require "util.set";
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16 local errors = require "util.error";
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17
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18 local usermanager_get_sasl_handler = require "core.usermanager".get_sasl_handler;
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19
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20 local secure_auth_only = module:get_option_boolean("c2s_require_encryption", module:get_option_boolean("require_encryption", false));
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21 local allow_unencrypted_plain_auth = module:get_option_boolean("allow_unencrypted_plain_auth", false)
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22 local insecure_mechanisms = module:get_option_set("insecure_sasl_mechanisms", allow_unencrypted_plain_auth and {} or {"PLAIN", "LOGIN"});
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23 local disabled_mechanisms = module:get_option_set("disable_sasl_mechanisms", { "DIGEST-MD5" });
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24
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25 local log = module._log;
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26
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27 local xmlns_sasl ='urn:ietf:params:xml:ns:xmpp-sasl';
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28 local xmlns_bind ='urn:ietf:params:xml:ns:xmpp-bind';
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29
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30 local function build_reply(status, ret, err_msg)
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31 local reply = st.stanza(status, {xmlns = xmlns_sasl});
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32 if status == "failure" then
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33 reply:tag(ret):up();
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34 if err_msg then reply:tag("text"):text(err_msg); end
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35 elseif status == "challenge" or status == "success" then
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36 if ret == "" then
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37 reply:text("=")
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38 elseif ret then
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39 reply:text(base64.encode(ret));
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40 end
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41 else
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42 module:log("error", "Unknown sasl status: %s", status);
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43 end
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44 return reply;
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45 end
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46
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47 local function handle_status(session, status, ret, err_msg)
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48 if status == "failure" then
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49 module:fire_event("authentication-failure", { session = session, condition = ret, text = err_msg });
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50 session.sasl_handler = session.sasl_handler:clean_clone();
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51 elseif status == "success" then
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52 local ok, err = sm_make_authenticated(session, session.sasl_handler.username, session.sasl_handler.scope);
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53 if ok then
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54 module:fire_event("authentication-success", { session = session });
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55 session.sasl_handler = nil;
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56 session:reset_stream();
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57 else
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58 module:log("warn", "SASL succeeded but username was invalid");
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59 module:fire_event("authentication-failure", { session = session, condition = "not-authorized", text = err });
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60 session.sasl_handler = session.sasl_handler:clean_clone();
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61 return "failure", "not-authorized", "User authenticated successfully, but username was invalid";
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62 end
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63 end
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64 return status, ret, err_msg;
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65 end
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66
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67 local function sasl_process_cdata(session, stanza)
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68 local text = stanza[1];
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69 if text then
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70 text = base64.decode(text);
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71 if not text then
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72 session.sasl_handler = nil;
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73 session.send(build_reply("failure", "incorrect-encoding"));
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74 return true;
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75 end
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76 end
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77 local status, ret, err_msg = session.sasl_handler:process(text);
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78 status, ret, err_msg = handle_status(session, status, ret, err_msg);
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79 local s = build_reply(status, ret, err_msg);
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80 session.send(s);
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81 return true;
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82 end
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83
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84 module:hook_tag(xmlns_sasl, "success", function (session)
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85 if session.type ~= "s2sout_unauthed" or session.external_auth ~= "attempting" then return; end
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86 module:log("debug", "SASL EXTERNAL with %s succeeded", session.to_host);
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87 session.external_auth = "succeeded"
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88 session:reset_stream();
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89 session:open_stream(session.from_host, session.to_host);
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90
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91 module:fire_event("s2s-authenticated", { session = session, host = session.to_host });
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92 return true;
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93 end)
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94
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95 module:hook_tag(xmlns_sasl, "failure", function (session, stanza)
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96 if session.type ~= "s2sout_unauthed" or session.external_auth ~= "attempting" then return; end
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97
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98 local text = stanza:get_child_text("text");
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99 local condition = "unknown-condition";
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100 for child in stanza:childtags() do
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101 if child.name ~= "text" then
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102 condition = child.name;
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103 break;
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104 end
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105 end
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106 local err = errors.new({
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107 -- TODO type = what?
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108 text = text,
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109 condition = condition,
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110 }, {
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111 session = session,
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112 stanza = stanza,
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113 });
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114
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115 module:log("info", "SASL EXTERNAL with %s failed: %s", session.to_host, err);
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116
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117 session.external_auth = "failed"
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118 session.external_auth_failure_reason = err;
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119 end, 500)
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120
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121 module:hook_tag(xmlns_sasl, "failure", function (session, stanza) -- luacheck: ignore 212/stanza
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 session.log("debug", "No fallback from SASL EXTERNAL failure, giving up");
10488
03ff1e614b4d mod_saslauth: Set a nicer bounce error explaining SASL EXTERNAL failures
Kim Alvefur <zash@zash.se>
parents: 10487
diff changeset
123 session:close(nil, session.external_auth_failure_reason, errors.new({
03ff1e614b4d mod_saslauth: Set a nicer bounce error explaining SASL EXTERNAL failures
Kim Alvefur <zash@zash.se>
parents: 10487
diff changeset
124 type = "wait", condition = "remote-server-timeout",
03ff1e614b4d mod_saslauth: Set a nicer bounce error explaining SASL EXTERNAL failures
Kim Alvefur <zash@zash.se>
parents: 10487
diff changeset
125 text = "Could not authenticate to remote server",
03ff1e614b4d mod_saslauth: Set a nicer bounce error explaining SASL EXTERNAL failures
Kim Alvefur <zash@zash.se>
parents: 10487
diff changeset
126 }, { session = session, sasl_failure = 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
127 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
128 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
129
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
130 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
131 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
132
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
133 local mechanisms = stanza:get_child("mechanisms", xmlns_sasl)
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
134 if mechanisms then
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
135 for mech in mechanisms:childtags() do
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
136 if mech[1] == "EXTERNAL" then
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
137 module:log("debug", "Initiating SASL EXTERNAL with %s", session.to_host);
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
138 local reply = st.stanza("auth", {xmlns = xmlns_sasl, mechanism = "EXTERNAL"});
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
139 reply:text(base64.encode(session.from_host))
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
140 session.sends2s(reply)
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
141 session.external_auth = "attempting"
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
142 return true
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
143 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
144 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
145 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
146 end, 150);
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
147
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
148 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
149 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
150
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
151 local mechanism = stanza.attr.mechanism;
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 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
154 session.sends2s(build_reply("failure", "invalid-mechanism"));
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 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
159 session.sends2s(build_reply("failure", "encryption-required"));
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
160 return true;
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
161 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
162
6425
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
163 local text = stanza[1];
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
164 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
165 session.sends2s(build_reply("failure", "malformed-request"));
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
166 return true;
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
167 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
168
6425
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
169 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
170 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
171 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
172 return true;
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
173 end
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
174
6425
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
175 -- 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
176 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
177 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
178 return true;
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
179 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
180
6425
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
181 -- 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
182 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
183 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
184 session:close();
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
185 return true;
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
186 end
4492
0a4781f165e3 mod_saslauth: "" ~= nil (thanks, Zash!)
Paul Aurich <paul@darkrain42.org>
parents: 4395
diff changeset
187
6425
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
188 -- Success!
436a670a0189 mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents: 6424
diff changeset
189 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
190 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
191 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
192 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
193 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
194 return true;
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
195 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
196
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
197 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
198 local session, stanza = event.origin, event.stanza;
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
199 if session.type == "s2sin_unauthed" then
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
200 return s2s_external_auth(session, stanza)
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
201 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
202
6033
0d6f23049e95 mod_saslauth: Only do c2s SASL on normal VirtualHosts
Kim Alvefur <zash@zash.se>
parents: 5535
diff changeset
203 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
204
3553
1f0af8572f15 mod_saslauth: Allow restarting SASL negotiation from scratch.
Waqas Hussain <waqas20@gmail.com>
parents: 3552
diff changeset
205 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
206 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
207 end
1f0af8572f15 mod_saslauth: Allow restarting SASL negotiation from scratch.
Waqas Hussain <waqas20@gmail.com>
parents: 3552
diff changeset
208 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
209 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
210 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
211 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
212 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
213 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
214 return true;
6492
0d07fdc07d8c mod_saslauth: Make it possible to disable certain mechanisms
Kim Alvefur <zash@zash.se>
parents: 6491
diff changeset
215 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
216 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
217 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
218 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
219 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
220 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
221 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
222 return true;
295
bb078eb1f1de mod_saslauth: Code cleanup
Waqas Hussain <waqas20@gmail.com>
parents: 293
diff changeset
223 end
3551
4fba723ab235 mod_saslauth: Moved SASL mechanism selection and CDATA handling into separate functions.
Waqas Hussain <waqas20@gmail.com>
parents: 3548
diff changeset
224 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
225 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
226 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
227 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
228 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
229 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
230 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
231 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
232 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
233 end);
3548
cd8d1cacc65b mod_saslauth: Handle SASL <abort/> properly.
Waqas Hussain <waqas20@gmail.com>
parents: 3535
diff changeset
234 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
235 local session = event.origin;
cd8d1cacc65b mod_saslauth: Handle SASL <abort/> properly.
Waqas Hussain <waqas20@gmail.com>
parents: 3535
diff changeset
236 session.sasl_handler = nil;
cd8d1cacc65b mod_saslauth: Handle SASL <abort/> properly.
Waqas Hussain <waqas20@gmail.com>
parents: 3535
diff changeset
237 session.send(build_reply("failure", "aborted"));
cd8d1cacc65b mod_saslauth: Handle SASL <abort/> properly.
Waqas Hussain <waqas20@gmail.com>
parents: 3535
diff changeset
238 return true;
cd8d1cacc65b mod_saslauth: Handle SASL <abort/> properly.
Waqas Hussain <waqas20@gmail.com>
parents: 3535
diff changeset
239 end);
284
4f540755260c mod_saslauth: Added base64 decoding, encoding check, and cleaned the code up.
Waqas Hussain <waqas20@gmail.com>
parents: 281
diff changeset
240
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
241 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
242 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
243 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
244
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
245 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
246 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
247 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
248 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
249 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
250 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
251 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
252 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
253 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
254 return;
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
255 end
6517
e733e98a348a mod_saslauth: Keep sasl_handler in a local variable
Kim Alvefur <zash@zash.se>
parents: 6493
diff changeset
256 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
257 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
258 if origin.encrypted then
9993
02a41315d275 Fix various spelling mistakes [codespell]
Kim Alvefur <zash@zash.se>
parents: 9738
diff changeset
259 -- check whether LuaSec has the nifty binding to the function needed for tls-unique
5838
a2659baf8332 mod_saslauth: Check whether LuaSec supports getpeerfinished() binding.
Tobias Markmann <tm@ayena.de>
parents: 5834
diff changeset
260 -- 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
261 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
262 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
263 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
264 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
265 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
266 elseif socket.getpeerfinished and socket:getpeerfinished() then
10337
39111f0e83d0 mod_saslauth: Log (debug) messages about channel binding
Kim Alvefur <zash@zash.se>
parents: 10334
diff changeset
267 log("debug", "Channel binding 'tls-unique' supported");
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
268 sasl_handler:add_cb_handler("tls-unique", tls_unique);
10337
39111f0e83d0 mod_saslauth: Log (debug) messages about channel binding
Kim Alvefur <zash@zash.se>
parents: 10334
diff changeset
269 else
39111f0e83d0 mod_saslauth: Log (debug) messages about channel binding
Kim Alvefur <zash@zash.se>
parents: 10334
diff changeset
270 log("debug", "Channel binding 'tls-unique' not supported (by LuaSec?)");
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
271 end
6519
367db22cf7d2 mod_saslauth: Make it easier to support multiple channel binding methonds
Kim Alvefur <zash@zash.se>
parents: 6518
diff changeset
272 sasl_handler["userdata"] = {
367db22cf7d2 mod_saslauth: Make it easier to support multiple channel binding methonds
Kim Alvefur <zash@zash.se>
parents: 6518
diff changeset
273 ["tls-unique"] = socket;
367db22cf7d2 mod_saslauth: Make it easier to support multiple channel binding methonds
Kim Alvefur <zash@zash.se>
parents: 6518
diff changeset
274 };
10337
39111f0e83d0 mod_saslauth: Log (debug) messages about channel binding
Kim Alvefur <zash@zash.se>
parents: 10334
diff changeset
275 else
39111f0e83d0 mod_saslauth: Log (debug) messages about channel binding
Kim Alvefur <zash@zash.se>
parents: 10334
diff changeset
276 log("debug", "Channel binding not supported by SASL handler");
5838
a2659baf8332 mod_saslauth: Check whether LuaSec supports getpeerfinished() binding.
Tobias Markmann <tm@ayena.de>
parents: 5834
diff changeset
277 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
278 end
4395
d322c4553f97 mod_saslauth: Never send empty <mechanisms/>, for real this time.
Waqas Hussain <waqas20@gmail.com>
parents: 4392
diff changeset
279 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
280 local sasl_mechanisms = sasl_handler:mechanisms()
10338
56a0f68b7797 mod_saslauth: Use the power of Set Theory to mange sets of SASL mechanisms
Kim Alvefur <zash@zash.se>
parents: 10337
diff changeset
281 local available_mechanisms = set.new();
7897
08bde6a6fd56 mod_saslauth: Improve logging as to why when SASL is not offered
Kim Alvefur <zash@zash.se>
parents: 7896
diff changeset
282 for mechanism in pairs(sasl_mechanisms) do
10338
56a0f68b7797 mod_saslauth: Use the power of Set Theory to mange sets of SASL mechanisms
Kim Alvefur <zash@zash.se>
parents: 10337
diff changeset
283 available_mechanisms:add(mechanism);
56a0f68b7797 mod_saslauth: Use the power of Set Theory to mange sets of SASL mechanisms
Kim Alvefur <zash@zash.se>
parents: 10337
diff changeset
284 end
56a0f68b7797 mod_saslauth: Use the power of Set Theory to mange sets of SASL mechanisms
Kim Alvefur <zash@zash.se>
parents: 10337
diff changeset
285 log("debug", "SASL mechanisms supported by handler: %s", available_mechanisms);
56a0f68b7797 mod_saslauth: Use the power of Set Theory to mange sets of SASL mechanisms
Kim Alvefur <zash@zash.se>
parents: 10337
diff changeset
286
56a0f68b7797 mod_saslauth: Use the power of Set Theory to mange sets of SASL mechanisms
Kim Alvefur <zash@zash.se>
parents: 10337
diff changeset
287 local usable_mechanisms = available_mechanisms - disabled_mechanisms;
56a0f68b7797 mod_saslauth: Use the power of Set Theory to mange sets of SASL mechanisms
Kim Alvefur <zash@zash.se>
parents: 10337
diff changeset
288
56a0f68b7797 mod_saslauth: Use the power of Set Theory to mange sets of SASL mechanisms
Kim Alvefur <zash@zash.se>
parents: 10337
diff changeset
289 local available_disabled = set.intersection(available_mechanisms, disabled_mechanisms);
56a0f68b7797 mod_saslauth: Use the power of Set Theory to mange sets of SASL mechanisms
Kim Alvefur <zash@zash.se>
parents: 10337
diff changeset
290 if not available_disabled:empty() then
56a0f68b7797 mod_saslauth: Use the power of Set Theory to mange sets of SASL mechanisms
Kim Alvefur <zash@zash.se>
parents: 10337
diff changeset
291 log("debug", "Not offering disabled mechanisms: %s", available_disabled);
56a0f68b7797 mod_saslauth: Use the power of Set Theory to mange sets of SASL mechanisms
Kim Alvefur <zash@zash.se>
parents: 10337
diff changeset
292 end
56a0f68b7797 mod_saslauth: Use the power of Set Theory to mange sets of SASL mechanisms
Kim Alvefur <zash@zash.se>
parents: 10337
diff changeset
293
56a0f68b7797 mod_saslauth: Use the power of Set Theory to mange sets of SASL mechanisms
Kim Alvefur <zash@zash.se>
parents: 10337
diff changeset
294 local available_insecure = set.intersection(available_mechanisms, insecure_mechanisms);
56a0f68b7797 mod_saslauth: Use the power of Set Theory to mange sets of SASL mechanisms
Kim Alvefur <zash@zash.se>
parents: 10337
diff changeset
295 if not origin.secure and not available_insecure:empty() then
56a0f68b7797 mod_saslauth: Use the power of Set Theory to mange sets of SASL mechanisms
Kim Alvefur <zash@zash.se>
parents: 10337
diff changeset
296 log("debug", "Session is not secure, not offering insecure mechanisms: %s", available_insecure);
56a0f68b7797 mod_saslauth: Use the power of Set Theory to mange sets of SASL mechanisms
Kim Alvefur <zash@zash.se>
parents: 10337
diff changeset
297 usable_mechanisms = usable_mechanisms - insecure_mechanisms;
56a0f68b7797 mod_saslauth: Use the power of Set Theory to mange sets of SASL mechanisms
Kim Alvefur <zash@zash.se>
parents: 10337
diff changeset
298 end
56a0f68b7797 mod_saslauth: Use the power of Set Theory to mange sets of SASL mechanisms
Kim Alvefur <zash@zash.se>
parents: 10337
diff changeset
299
56a0f68b7797 mod_saslauth: Use the power of Set Theory to mange sets of SASL mechanisms
Kim Alvefur <zash@zash.se>
parents: 10337
diff changeset
300 if not usable_mechanisms:empty() then
56a0f68b7797 mod_saslauth: Use the power of Set Theory to mange sets of SASL mechanisms
Kim Alvefur <zash@zash.se>
parents: 10337
diff changeset
301 log("debug", "Offering usable mechanisms: %s", usable_mechanisms);
10481
7a3c04789d5c mod_saslauth: Advertise correct set of mechanisms
Kim Alvefur <zash@zash.se>
parents: 10340
diff changeset
302 for mechanism in usable_mechanisms do
4395
d322c4553f97 mod_saslauth: Never send empty <mechanisms/>, for real this time.
Waqas Hussain <waqas20@gmail.com>
parents: 4392
diff changeset
303 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
304 end
10338
56a0f68b7797 mod_saslauth: Use the power of Set Theory to mange sets of SASL mechanisms
Kim Alvefur <zash@zash.se>
parents: 10337
diff changeset
305 features:add_child(mechanisms);
56a0f68b7797 mod_saslauth: Use the power of Set Theory to mange sets of SASL mechanisms
Kim Alvefur <zash@zash.se>
parents: 10337
diff changeset
306 return;
2451
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
307 end
10339
8b06d2d51e04 mod_saslauth: Improve logging of why no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents: 10338
diff changeset
308
8b06d2d51e04 mod_saslauth: Improve logging of why no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents: 10338
diff changeset
309 local authmod = module:get_option_string("authentication", "internal_plain");
8b06d2d51e04 mod_saslauth: Improve logging of why no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents: 10338
diff changeset
310 if available_mechanisms:empty() then
10340
5c6912289ce3 mod_saslauth: Demote "no SASL mechanisms" error back to warning
Kim Alvefur <zash@zash.se>
parents: 10339
diff changeset
311 log("warn", "No available SASL mechanisms, verify that the configured authentication module '%s' is loaded and configured correctly", authmod);
10339
8b06d2d51e04 mod_saslauth: Improve logging of why no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents: 10338
diff changeset
312 return;
6489
1f07c72112d2 mod_saslauth: Log warning if no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents: 6488
diff changeset
313 end
10339
8b06d2d51e04 mod_saslauth: Improve logging of why no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents: 10338
diff changeset
314
8b06d2d51e04 mod_saslauth: Improve logging of why no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents: 10338
diff changeset
315 if not origin.secure and not available_insecure:empty() then
8b06d2d51e04 mod_saslauth: Improve logging of why no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents: 10338
diff changeset
316 if not available_disabled:empty() then
10340
5c6912289ce3 mod_saslauth: Demote "no SASL mechanisms" error back to warning
Kim Alvefur <zash@zash.se>
parents: 10339
diff changeset
317 log("warn", "All SASL mechanisms provided by authentication module '%s' are forbidden on insecure connections (%s) or disabled (%s)",
10339
8b06d2d51e04 mod_saslauth: Improve logging of why no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents: 10338
diff changeset
318 authmod, available_insecure, available_disabled);
8b06d2d51e04 mod_saslauth: Improve logging of why no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents: 10338
diff changeset
319 else
10340
5c6912289ce3 mod_saslauth: Demote "no SASL mechanisms" error back to warning
Kim Alvefur <zash@zash.se>
parents: 10339
diff changeset
320 log("warn", "All SASL mechanisms provided by authentication module '%s' are forbidden on insecure connections (%s)",
10339
8b06d2d51e04 mod_saslauth: Improve logging of why no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents: 10338
diff changeset
321 authmod, available_insecure);
8b06d2d51e04 mod_saslauth: Improve logging of why no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents: 10338
diff changeset
322 end
8b06d2d51e04 mod_saslauth: Improve logging of why no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents: 10338
diff changeset
323 elseif not available_disabled:empty() then
10340
5c6912289ce3 mod_saslauth: Demote "no SASL mechanisms" error back to warning
Kim Alvefur <zash@zash.se>
parents: 10339
diff changeset
324 log("warn", "All SASL mechanisms provided by authentication module '%s' are disabled (%s)",
10339
8b06d2d51e04 mod_saslauth: Improve logging of why no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents: 10338
diff changeset
325 authmod, available_disabled);
8b06d2d51e04 mod_saslauth: Improve logging of why no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents: 10338
diff changeset
326 end
8b06d2d51e04 mod_saslauth: Improve logging of why no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents: 10338
diff changeset
327
2451
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
328 else
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
329 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
330 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
331 end
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
332 end);
1584
ffe8a9296e04 mod_saslauth, usermanager: Fetch list of mechanisms from usermanager
Nick Thomas
parents: 1523
diff changeset
333
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
334 module:hook("s2s-stream-features", function(event)
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
335 local origin, features = event.origin, event.features;
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
336 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
337 -- 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
338 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
339 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
340 origin.external_auth = "offered"
3651
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
341 features:tag("mechanisms", { xmlns = xmlns_sasl })
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
342 :tag("mechanism"):text("EXTERNAL")
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
343 :up():up();
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
344 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
345 end
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
346 end);
337391d34b70 s2s: SASL EXTERNAL
Paul Aurich <paul@darkrain42.org>
parents: 3553
diff changeset
347
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
348 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
349 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
350 local resource;
d2f747920eaf mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents: 2450
diff changeset
351 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
352 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
353 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
354 resource = resource and #resource.tags == 0 and resource[1] or nil;
2451
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355 end
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356 local success, err_type, err, err_msg = sm_bind_resource(origin, resource);
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357 if success then
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358 origin.send(st.reply(stanza)
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359 :tag("bind", { xmlns = xmlns_bind })
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360 :tag("jid"):text(origin.full_jid));
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361 origin.log("debug", "Resource bound: %s", origin.full_jid);
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362 else
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363 origin.send(st.error_reply(stanza, err_type, err, err_msg));
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364 origin.log("debug", "Resource bind failed: %s", err_msg or err);
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365 end
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366 return true;
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367 end);
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368
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369 local function handle_legacy_session(event)
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370 event.origin.send(st.reply(event.stanza));
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371 return true;
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372 end
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373
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374 module:hook("iq/self/urn:ietf:params:xml:ns:xmpp-session:session", handle_legacy_session);
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375 module:hook("iq/host/urn:ietf:params:xml:ns:xmpp-session:session", handle_legacy_session);