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plugins/mod_saslauth.lua @ 13742:47e537e340c4 default tip
Merge 13.0->trunk
| author | Matthew Wild <mwild1@gmail.com> |
|---|---|
| date | Mon, 17 Feb 2025 23:06:26 +0000 |
| parent | 13579:411649d03ad8 |
| rev | line source |
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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 -- |
| 758 | 5 -- This project is MIT/X11 licensed. Please see the |
| 6 -- COPYING file in the source package for more information. | |
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7 -- |
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8 -- luacheck: ignore 431/log |
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9 |
| 38 | 10 |
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11 local st = require "prosody.util.stanza"; |
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12 local sm_bind_resource = require "prosody.core.sessionmanager".bind_resource; |
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13 local sm_make_authenticated = require "prosody.core.sessionmanager".make_authenticated; |
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14 local base64 = require "prosody.util.encodings".base64; |
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15 local set = require "prosody.util.set"; |
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16 local errors = require "prosody.util.error"; |
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17 local hex = require "prosody.util.hex"; |
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18 local pem2der = require"prosody.util.x509".pem2der; |
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19 local hashes = require "prosody.util.hashes"; |
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20 local ssl = require "ssl"; -- FIXME Isolate LuaSec from the rest of the code |
| 38 | 21 |
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22 local certmanager = require "prosody.core.certmanager"; |
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23 local pm_get_tls_config_at = require "prosody.core.portmanager".get_tls_config_at; |
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24 local usermanager_get_sasl_handler = require "prosody.core.usermanager".get_sasl_handler; |
| 38 | 25 |
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26 local secure_auth_only = module:get_option_boolean("c2s_require_encryption", module:get_option_boolean("require_encryption", true)); |
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27 local allow_unencrypted_plain_auth = module:get_option_boolean("allow_unencrypted_plain_auth", false) |
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28 local insecure_mechanisms = module:get_option_set("insecure_sasl_mechanisms", allow_unencrypted_plain_auth and {} or {"PLAIN", "LOGIN"}); |
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29 local disabled_mechanisms = module:get_option_set("disable_sasl_mechanisms", { "DIGEST-MD5" }); |
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30 local tls_server_end_point_hash = module:get_option_string("tls_server_end_point_hash"); |
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31 |
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32 local log = module._log; |
| 38 | 33 |
| 34 local xmlns_sasl ='urn:ietf:params:xml:ns:xmpp-sasl'; | |
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35 local xmlns_bind ='urn:ietf:params:xml:ns:xmpp-bind'; |
| 38 | 36 |
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37 local function build_reply(status, ret, err_msg) |
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38 local reply = st.stanza(status, {xmlns = xmlns_sasl}); |
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39 if status == "failure" then |
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40 reply:tag(ret):up(); |
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41 if err_msg then reply:tag("text"):text(err_msg); end |
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42 elseif status == "challenge" or status == "success" then |
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43 if ret == "" then |
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44 reply:text("=") |
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45 elseif ret then |
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46 reply:text(base64.encode(ret)); |
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47 end |
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48 else |
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49 module:log("error", "Unknown sasl status: %s", status); |
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50 end |
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51 return reply; |
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52 end |
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53 |
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54 local function handle_status(session, status, ret, err_msg) |
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55 if not session.sasl_handler then |
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56 return "failure", "temporary-auth-failure", "Connection gone"; |
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57 end |
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58 if status == "failure" then |
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59 local event = { session = session, condition = ret, text = err_msg }; |
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60 module:fire_event("authentication-failure", event); |
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61 session.sasl_handler = session.sasl_handler:clean_clone(); |
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62 ret, err_msg = event.condition, event.text; |
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63 elseif status == "success" then |
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64 local ok, err = sm_make_authenticated(session, session.sasl_handler.username, session.sasl_handler.role); |
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65 if ok then |
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66 session.sasl_resource = session.sasl_handler.resource; |
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67 module:fire_event("authentication-success", { session = session }); |
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68 session.sasl_handler = nil; |
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69 session:reset_stream(); |
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70 else |
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71 module:log("warn", "SASL succeeded but username was invalid"); |
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72 module:fire_event("authentication-failure", { session = session, condition = "not-authorized", text = err }); |
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73 session.sasl_handler = session.sasl_handler:clean_clone(); |
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74 return "failure", "not-authorized", "User authenticated successfully, but username was invalid"; |
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75 end |
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76 end |
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77 return status, ret, err_msg; |
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78 end |
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79 |
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80 local function sasl_process_cdata(session, stanza) |
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81 local text = stanza[1]; |
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82 if text then |
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83 text = base64.decode(text); |
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84 if not text then |
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85 session.sasl_handler = nil; |
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86 session.send(build_reply("failure", "incorrect-encoding")); |
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87 return true; |
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88 end |
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89 end |
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90 local sasl_handler = session.sasl_handler; |
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91 local status, ret, err_msg = sasl_handler:process(text); |
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92 status, ret, err_msg = handle_status(session, status, ret, err_msg); |
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93 local event = { session = session, message = ret, error_text = err_msg }; |
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94 module:fire_event("sasl/"..session.base_type.."/"..status, event); |
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95 local s = build_reply(status, event.message, event.error_text); |
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96 session.send(s); |
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97 return true; |
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98 end |
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99 |
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100 module:hook_tag(xmlns_sasl, "success", function (session) |
| 3651 | 101 if session.type ~= "s2sout_unauthed" or session.external_auth ~= "attempting" then return; end |
| 102 module:log("debug", "SASL EXTERNAL with %s succeeded", session.to_host); | |
| 103 session.external_auth = "succeeded" | |
| 104 session:reset_stream(); | |
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105 session:open_stream(session.from_host, session.to_host); |
| 3651 | 106 |
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107 module:fire_event("s2s-authenticated", { session = session, host = session.to_host, mechanism = "EXTERNAL" }); |
| 3651 | 108 return true; |
| 109 end) | |
| 110 | |
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111 module:hook_tag(xmlns_sasl, "failure", function (session, stanza) |
| 3651 | 112 if session.type ~= "s2sout_unauthed" or session.external_auth ~= "attempting" then return; end |
| 113 | |
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114 local text = stanza:get_child_text("text"); |
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115 local condition = "unknown-condition"; |
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116 for child in stanza:childtags() do |
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117 if child.name ~= "text" then |
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118 condition = child.name; |
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119 break; |
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120 end |
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121 end |
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122 local err = errors.new({ |
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123 -- TODO type = what? |
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124 text = text, |
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125 condition = condition, |
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126 }, { |
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127 session = session, |
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128 stanza = stanza, |
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129 }); |
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130 |
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131 module:log("info", "SASL EXTERNAL with %s failed: %s", session.to_host, err); |
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132 |
| 3651 | 133 session.external_auth = "failed" |
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134 session.external_auth_failure_reason = err; |
| 3651 | 135 end, 500) |
| 136 | |
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137 module:hook_tag(xmlns_sasl, "failure", function (session, stanza) -- luacheck: ignore 212/stanza |
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138 session.log("debug", "No fallback from SASL EXTERNAL failure, giving up"); |
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139 session:close(nil, session.external_auth_failure_reason, errors.new({ |
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140 type = "wait", condition = "remote-server-timeout", |
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141 text = "Could not authenticate to remote server", |
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142 }, { session = session, sasl_failure = session.external_auth_failure_reason, })); |
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143 return true; |
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144 end, 90) |
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145 |
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146 module:hook_tag("http://etherx.jabber.org/streams", "features", function (session, stanza) |
| 3651 | 147 if session.type ~= "s2sout_unauthed" or not session.secure then return; end |
| 148 | |
| 149 local mechanisms = stanza:get_child("mechanisms", xmlns_sasl) | |
| 150 if mechanisms then | |
| 151 for mech in mechanisms:childtags() do | |
| 152 if mech[1] == "EXTERNAL" then | |
| 153 module:log("debug", "Initiating SASL EXTERNAL with %s", session.to_host); | |
| 154 local reply = st.stanza("auth", {xmlns = xmlns_sasl, mechanism = "EXTERNAL"}); | |
| 155 reply:text(base64.encode(session.from_host)) | |
| 156 session.sends2s(reply) | |
| 157 session.external_auth = "attempting" | |
| 158 return true | |
| 159 end | |
| 160 end | |
| 161 end | |
| 162 end, 150); | |
| 163 | |
| 164 local function s2s_external_auth(session, stanza) | |
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165 if session.external_auth ~= "offered" then return end -- Unexpected request |
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166 |
| 3651 | 167 local mechanism = stanza.attr.mechanism; |
| 168 | |
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169 if mechanism ~= "EXTERNAL" then |
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170 session.sends2s(build_reply("failure", "invalid-mechanism")); |
| 3651 | 171 return true; |
| 172 end | |
| 173 | |
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174 if not session.secure then |
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175 session.sends2s(build_reply("failure", "encryption-required")); |
| 3651 | 176 return true; |
| 177 end | |
| 178 | |
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179 local text = stanza[1]; |
| 3651 | 180 if not text then |
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181 session.sends2s(build_reply("failure", "malformed-request")); |
| 3651 | 182 return true; |
| 183 end | |
| 184 | |
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185 text = base64.decode(text); |
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186 if not text then |
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187 session.sends2s(build_reply("failure", "incorrect-encoding")); |
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188 return true; |
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189 end |
| 3651 | 190 |
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191 -- The text value is either "" or equals session.from_host |
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192 if not ( text == "" or text == session.from_host ) then |
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193 session.sends2s(build_reply("failure", "invalid-authzid")); |
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194 return true; |
| 3651 | 195 end |
| 196 | |
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197 -- We've already verified the external cert identity before offering EXTERNAL |
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198 if session.cert_chain_status ~= "valid" or session.cert_identity_status ~= "valid" then |
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199 session.sends2s(build_reply("failure", "not-authorized")); |
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200 session:close(); |
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201 return true; |
| 3651 | 202 end |
|
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203 |
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204 -- Success! |
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205 session.external_auth = "succeeded"; |
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206 session.sends2s(build_reply("success")); |
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207 module:log("info", "Accepting SASL EXTERNAL identity from %s", session.from_host); |
|
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208 module:fire_event("s2s-authenticated", { session = session, host = session.from_host, mechanism = mechanism }); |
| 3651 | 209 session:reset_stream(); |
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210 return true; |
| 3651 | 211 end |
| 212 | |
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213 module:hook("stanza/urn:ietf:params:xml:ns:xmpp-sasl:auth", function(event) |
|
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214 local session, stanza = event.origin, event.stanza; |
| 3651 | 215 if session.type == "s2sin_unauthed" then |
| 216 return s2s_external_auth(session, stanza) | |
| 217 end | |
| 218 | |
|
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219 if session.type ~= "c2s_unauthed" or module:get_host_type() ~= "local" then return; end |
|
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220 |
|
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221 -- event for preemptive checks, rate limiting etc |
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222 module:fire_event("authentication-attempt", event); |
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223 if event.allowed == false then |
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224 session.send(build_reply("failure", event.error_condition or "not-authorized", event.error_text)); |
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225 return true; |
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226 end |
|
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227 if session.sasl_handler and session.sasl_handler.selected then |
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228 session.sasl_handler = nil; -- allow starting a new SASL negotiation before completing an old one |
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229 end |
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230 if not session.sasl_handler then |
|
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231 session.sasl_handler = usermanager_get_sasl_handler(module.host, session); |
|
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232 end |
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233 local mechanism = stanza.attr.mechanism; |
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234 if not session.secure and (secure_auth_only or insecure_mechanisms:contains(mechanism)) then |
|
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235 session.send(build_reply("failure", "encryption-required")); |
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236 return true; |
|
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237 elseif disabled_mechanisms:contains(mechanism) then |
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238 session.send(build_reply("failure", "invalid-mechanism")); |
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239 return true; |
|
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240 end |
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241 local valid_mechanism = session.sasl_handler:select(mechanism); |
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242 if not valid_mechanism then |
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243 session.send(build_reply("failure", "invalid-mechanism")); |
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244 return true; |
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245 end |
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246 return sasl_process_cdata(session, stanza); |
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247 end); |
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248 module:hook("stanza/urn:ietf:params:xml:ns:xmpp-sasl:response", function(event) |
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249 local session = event.origin; |
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250 if not(session.sasl_handler and session.sasl_handler.selected) then |
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251 session.send(build_reply("failure", "not-authorized", "Out of order SASL element")); |
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252 return true; |
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253 end |
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254 return sasl_process_cdata(session, event.stanza); |
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255 end); |
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256 module:hook("stanza/urn:ietf:params:xml:ns:xmpp-sasl:abort", function(event) |
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257 local session = event.origin; |
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258 session.sasl_handler = nil; |
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259 session.send(build_reply("failure", "aborted")); |
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260 return true; |
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261 end); |
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262 |
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263 local function tls_unique(self) |
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264 return self.userdata["tls-unique"]:ssl_peerfinished(); |
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265 end |
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266 |
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267 local function tls_exporter(conn) |
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268 if not conn.ssl_exportkeyingmaterial then return end |
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269 return conn:ssl_exportkeyingmaterial("EXPORTER-Channel-Binding", 32, ""); |
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270 end |
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271 |
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272 local function sasl_tls_exporter(self) |
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273 return tls_exporter(self.userdata["tls-exporter"]); |
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274 end |
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275 |
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276 local function tls_server_end_point(self) |
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277 local cert_hash = self.userdata["tls-server-end-point"]; |
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278 if cert_hash then return hex.from(cert_hash); end |
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279 |
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280 local conn = self.userdata["tls-server-end-point-conn"]; |
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281 local cert = conn.getlocalcertificate and conn:getlocalcertificate(); |
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282 |
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283 if not cert then |
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284 -- We don't know that this is the right cert, it could have been replaced on |
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285 -- disk since we started. |
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286 local certfile = self.userdata["tls-server-end-point-cert"]; |
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287 if not certfile then return end |
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288 local f = io.open(certfile); |
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289 if not f then return end |
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290 local certdata = f:read("*a"); |
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291 f:close(); |
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292 cert = ssl.loadcertificate(certdata); |
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293 end |
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294 |
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295 -- Hash function selection, see RFC 5929 §4.1 |
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296 local hash, hash_name = hashes.sha256, "sha256"; |
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297 if cert.getsignaturename then |
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298 local sigalg = cert:getsignaturename():lower():match("sha%d+"); |
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299 if sigalg and sigalg ~= "sha1" and hashes[sigalg] then |
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300 -- This should have ruled out MD5 and SHA1 |
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301 hash, hash_name = hashes[sigalg], sigalg; |
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302 end |
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303 end |
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304 |
|
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305 local certdata_der = pem2der(cert:pem()); |
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306 local hashed_der = hash(certdata_der); |
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307 |
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308 module:log("debug", "tls-server-end-point: hex(%s(der)) = %q, hash = %s", hash_name, hex.encode(hashed_der)); |
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309 |
|
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310 return hashed_der; |
|
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311 end |
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312 |
|
357
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313
diff
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|
313 local mechanisms_attr = { xmlns='urn:ietf:params:xml:ns:xmpp-sasl' }; |
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314 local bind_attr = { xmlns='urn:ietf:params:xml:ns:xmpp-bind' }; |
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diff
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315 local xmpp_session_attr = { xmlns='urn:ietf:params:xml:ns:xmpp-session' }; |
|
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316 module:hook("stream-features", function(event) |
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317 local origin, features = event.origin, event.features; |
|
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318 local log = origin.log or log; |
|
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319 if not origin.username then |
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320 if secure_auth_only and not origin.secure then |
|
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diff
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|
321 log("debug", "Not offering authentication on insecure connection"); |
|
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322 return; |
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323 end |
|
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324 local sasl_handler = usermanager_get_sasl_handler(module.host, origin) |
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325 origin.sasl_handler = sasl_handler; |
|
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diff
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|
326 local channel_bindings = set.new() |
|
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|
327 if origin.encrypted then |
|
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02a41315d275
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9738
diff
changeset
|
328 -- check whether LuaSec has the nifty binding to the function needed for tls-unique |
|
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Tobias Markmann <tm@ayena.de>
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diff
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|
329 -- FIXME: would be nice to have this check only once and not for every socket |
|
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|
330 if sasl_handler.add_cb_handler then |
|
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|
331 local info = origin.conn:ssl_info(); |
|
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|
332 if info and info.protocol == "TLSv1.3" then |
|
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1bfd238e05ad
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diff
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|
333 log("debug", "Channel binding 'tls-unique' undefined in context of TLS 1.3"); |
|
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|
334 if tls_exporter(origin.conn) then |
|
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|
335 log("debug", "Channel binding 'tls-exporter' supported"); |
|
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|
336 sasl_handler:add_cb_handler("tls-exporter", sasl_tls_exporter); |
|
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|
337 channel_bindings:add("tls-exporter"); |
|
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diff
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|
338 else |
|
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mod_saslauth: Log when tls-exporter is NOT supported, as well as when it is
Matthew Wild <mwild1@gmail.com>
parents:
13386
diff
changeset
|
339 log("debug", "Channel binding 'tls-exporter' not supported"); |
|
12594
29685403be32
mod_saslauth: Implement RFC 9266 'tls-exporter' channel binding (#1760)
Kim Alvefur <zash@zash.se>
parents:
12541
diff
changeset
|
340 end |
|
12480
7e9ebdc75ce4
net: isolate LuaSec-specifics
Jonas Schäfer <jonas@wielicki.name>
parents:
12333
diff
changeset
|
341 elseif origin.conn.ssl_peerfinished and origin.conn:ssl_peerfinished() then |
|
10337
39111f0e83d0
mod_saslauth: Log (debug) messages about channel binding
Kim Alvefur <zash@zash.se>
parents:
10334
diff
changeset
|
342 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
|
343 sasl_handler:add_cb_handler("tls-unique", tls_unique); |
|
12541
97af41d580f7
mod_saslauth: Advertise channel bindings via XEP-0440
Kim Alvefur <zash@zash.se>
parents:
12480
diff
changeset
|
344 channel_bindings:add("tls-unique"); |
|
10337
39111f0e83d0
mod_saslauth: Log (debug) messages about channel binding
Kim Alvefur <zash@zash.se>
parents:
10334
diff
changeset
|
345 else |
|
39111f0e83d0
mod_saslauth: Log (debug) messages about channel binding
Kim Alvefur <zash@zash.se>
parents:
10334
diff
changeset
|
346 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
|
347 end |
|
13289
38c95544b7ee
mod_saslauth, mod_c2s: Disable tls-server-end-point channel binding by default
Matthew Wild <mwild1@gmail.com>
parents:
13288
diff
changeset
|
348 |
|
38c95544b7ee
mod_saslauth, mod_c2s: Disable tls-server-end-point channel binding by default
Matthew Wild <mwild1@gmail.com>
parents:
13288
diff
changeset
|
349 local certfile; |
|
38c95544b7ee
mod_saslauth, mod_c2s: Disable tls-server-end-point channel binding by default
Matthew Wild <mwild1@gmail.com>
parents:
13288
diff
changeset
|
350 if tls_server_end_point_hash == "auto" then |
|
13290
c5767b7528ac
mod_saslauth: Clear 'auto' from endpoint hash var, it's not a real hash (thanks tmolitor)
Matthew Wild <mwild1@gmail.com>
parents:
13289
diff
changeset
|
351 tls_server_end_point_hash = nil; |
|
13289
38c95544b7ee
mod_saslauth, mod_c2s: Disable tls-server-end-point channel binding by default
Matthew Wild <mwild1@gmail.com>
parents:
13288
diff
changeset
|
352 local ssl_cfg = origin.ssl_cfg; |
|
38c95544b7ee
mod_saslauth, mod_c2s: Disable tls-server-end-point channel binding by default
Matthew Wild <mwild1@gmail.com>
parents:
13288
diff
changeset
|
353 if not ssl_cfg then |
|
38c95544b7ee
mod_saslauth, mod_c2s: Disable tls-server-end-point channel binding by default
Matthew Wild <mwild1@gmail.com>
parents:
13288
diff
changeset
|
354 local server = origin.conn:server(); |
|
38c95544b7ee
mod_saslauth, mod_c2s: Disable tls-server-end-point channel binding by default
Matthew Wild <mwild1@gmail.com>
parents:
13288
diff
changeset
|
355 local tls_config = pm_get_tls_config_at(server:ip(), server:serverport()); |
|
38c95544b7ee
mod_saslauth, mod_c2s: Disable tls-server-end-point channel binding by default
Matthew Wild <mwild1@gmail.com>
parents:
13288
diff
changeset
|
356 local autocert = certmanager.find_host_cert(origin.conn:socket():getsniname()); |
|
38c95544b7ee
mod_saslauth, mod_c2s: Disable tls-server-end-point channel binding by default
Matthew Wild <mwild1@gmail.com>
parents:
13288
diff
changeset
|
357 ssl_cfg = autocert or tls_config; |
|
38c95544b7ee
mod_saslauth, mod_c2s: Disable tls-server-end-point channel binding by default
Matthew Wild <mwild1@gmail.com>
parents:
13288
diff
changeset
|
358 end |
|
38c95544b7ee
mod_saslauth, mod_c2s: Disable tls-server-end-point channel binding by default
Matthew Wild <mwild1@gmail.com>
parents:
13288
diff
changeset
|
359 |
|
38c95544b7ee
mod_saslauth, mod_c2s: Disable tls-server-end-point channel binding by default
Matthew Wild <mwild1@gmail.com>
parents:
13288
diff
changeset
|
360 certfile = ssl_cfg and ssl_cfg.certificate; |
|
38c95544b7ee
mod_saslauth, mod_c2s: Disable tls-server-end-point channel binding by default
Matthew Wild <mwild1@gmail.com>
parents:
13288
diff
changeset
|
361 if certfile then |
|
38c95544b7ee
mod_saslauth, mod_c2s: Disable tls-server-end-point channel binding by default
Matthew Wild <mwild1@gmail.com>
parents:
13288
diff
changeset
|
362 log("debug", "Channel binding 'tls-server-end-point' can be offered based on the certificate used"); |
|
38c95544b7ee
mod_saslauth, mod_c2s: Disable tls-server-end-point channel binding by default
Matthew Wild <mwild1@gmail.com>
parents:
13288
diff
changeset
|
363 sasl_handler:add_cb_handler("tls-server-end-point", tls_server_end_point); |
|
38c95544b7ee
mod_saslauth, mod_c2s: Disable tls-server-end-point channel binding by default
Matthew Wild <mwild1@gmail.com>
parents:
13288
diff
changeset
|
364 channel_bindings:add("tls-server-end-point"); |
|
38c95544b7ee
mod_saslauth, mod_c2s: Disable tls-server-end-point channel binding by default
Matthew Wild <mwild1@gmail.com>
parents:
13288
diff
changeset
|
365 else |
|
38c95544b7ee
mod_saslauth, mod_c2s: Disable tls-server-end-point channel binding by default
Matthew Wild <mwild1@gmail.com>
parents:
13288
diff
changeset
|
366 log("debug", "Channel binding 'tls-server-end-point' set to 'auto' but cannot determine cert"); |
|
38c95544b7ee
mod_saslauth, mod_c2s: Disable tls-server-end-point channel binding by default
Matthew Wild <mwild1@gmail.com>
parents:
13288
diff
changeset
|
367 end |
|
38c95544b7ee
mod_saslauth, mod_c2s: Disable tls-server-end-point channel binding by default
Matthew Wild <mwild1@gmail.com>
parents:
13288
diff
changeset
|
368 elseif tls_server_end_point_hash then |
|
13277
0b4c3573b248
mod_saslauth: Support tls-server-end-point via manually specified hash
Kim Alvefur <zash@zash.se>
parents:
12977
diff
changeset
|
369 log("debug", "Channel binding 'tls-server-end-point' can be offered with the configured certificate hash"); |
|
0b4c3573b248
mod_saslauth: Support tls-server-end-point via manually specified hash
Kim Alvefur <zash@zash.se>
parents:
12977
diff
changeset
|
370 sasl_handler:add_cb_handler("tls-server-end-point", tls_server_end_point); |
|
0b4c3573b248
mod_saslauth: Support tls-server-end-point via manually specified hash
Kim Alvefur <zash@zash.se>
parents:
12977
diff
changeset
|
371 channel_bindings:add("tls-server-end-point"); |
|
0b4c3573b248
mod_saslauth: Support tls-server-end-point via manually specified hash
Kim Alvefur <zash@zash.se>
parents:
12977
diff
changeset
|
372 end |
|
13289
38c95544b7ee
mod_saslauth, mod_c2s: Disable tls-server-end-point channel binding by default
Matthew Wild <mwild1@gmail.com>
parents:
13288
diff
changeset
|
373 |
|
6519
367db22cf7d2
mod_saslauth: Make it easier to support multiple channel binding methonds
Kim Alvefur <zash@zash.se>
parents:
6518
diff
changeset
|
374 sasl_handler["userdata"] = { |
|
12480
7e9ebdc75ce4
net: isolate LuaSec-specifics
Jonas Schäfer <jonas@wielicki.name>
parents:
12333
diff
changeset
|
375 ["tls-unique"] = origin.conn; |
|
12594
29685403be32
mod_saslauth: Implement RFC 9266 'tls-exporter' channel binding (#1760)
Kim Alvefur <zash@zash.se>
parents:
12541
diff
changeset
|
376 ["tls-exporter"] = origin.conn; |
|
13278
aa17086a9c8a
mod_saslauth: Derive hash from certificate per tls-server-end-point
Kim Alvefur <zash@zash.se>
parents:
13277
diff
changeset
|
377 ["tls-server-end-point-cert"] = certfile; |
|
13281
288ddca37639
mod_saslauth: Get correct 'tls-server-end-point' with new LuaSec API
Kim Alvefur <zash@zash.se>
parents:
13278
diff
changeset
|
378 ["tls-server-end-point-conn"] = origin.conn; |
|
13277
0b4c3573b248
mod_saslauth: Support tls-server-end-point via manually specified hash
Kim Alvefur <zash@zash.se>
parents:
12977
diff
changeset
|
379 ["tls-server-end-point"] = tls_server_end_point_hash; |
|
6519
367db22cf7d2
mod_saslauth: Make it easier to support multiple channel binding methonds
Kim Alvefur <zash@zash.se>
parents:
6518
diff
changeset
|
380 }; |
|
10337
39111f0e83d0
mod_saslauth: Log (debug) messages about channel binding
Kim Alvefur <zash@zash.se>
parents:
10334
diff
changeset
|
381 else |
|
39111f0e83d0
mod_saslauth: Log (debug) messages about channel binding
Kim Alvefur <zash@zash.se>
parents:
10334
diff
changeset
|
382 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
|
383 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
|
384 end |
|
4395
d322c4553f97
mod_saslauth: Never send empty <mechanisms/>, for real this time.
Waqas Hussain <waqas20@gmail.com>
parents:
4392
diff
changeset
|
385 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
|
386 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
|
387 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
|
388 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
|
389 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
|
390 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
|
391 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
|
392 |
|
56a0f68b7797
mod_saslauth: Use the power of Set Theory to mange sets of SASL mechanisms
Kim Alvefur <zash@zash.se>
parents:
10337
diff
changeset
|
393 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
|
394 |
|
56a0f68b7797
mod_saslauth: Use the power of Set Theory to mange sets of SASL mechanisms
Kim Alvefur <zash@zash.se>
parents:
10337
diff
changeset
|
395 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
|
396 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
|
397 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
|
398 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
|
399 |
|
56a0f68b7797
mod_saslauth: Use the power of Set Theory to mange sets of SASL mechanisms
Kim Alvefur <zash@zash.se>
parents:
10337
diff
changeset
|
400 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
|
401 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
|
402 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
|
403 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
|
404 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
|
405 |
|
56a0f68b7797
mod_saslauth: Use the power of Set Theory to mange sets of SASL mechanisms
Kim Alvefur <zash@zash.se>
parents:
10337
diff
changeset
|
406 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
|
407 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
|
408 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
|
409 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
|
410 end |
|
12726
9f100ab9ffdf
mod_saslauth: Put <sasl-channel-binding> in stream:features per XEP-0440 0.4.0
Matthew Wild <mwild1@gmail.com>
parents:
12721
diff
changeset
|
411 features:add_child(mechanisms); |
|
12541
97af41d580f7
mod_saslauth: Advertise channel bindings via XEP-0440
Kim Alvefur <zash@zash.se>
parents:
12480
diff
changeset
|
412 if not channel_bindings:empty() then |
|
97af41d580f7
mod_saslauth: Advertise channel bindings via XEP-0440
Kim Alvefur <zash@zash.se>
parents:
12480
diff
changeset
|
413 -- XXX XEP-0440 is Experimental |
|
12726
9f100ab9ffdf
mod_saslauth: Put <sasl-channel-binding> in stream:features per XEP-0440 0.4.0
Matthew Wild <mwild1@gmail.com>
parents:
12721
diff
changeset
|
414 features:tag("sasl-channel-binding", {xmlns='urn:xmpp:sasl-cb:0'}) |
|
12541
97af41d580f7
mod_saslauth: Advertise channel bindings via XEP-0440
Kim Alvefur <zash@zash.se>
parents:
12480
diff
changeset
|
415 for channel_binding in channel_bindings do |
|
12726
9f100ab9ffdf
mod_saslauth: Put <sasl-channel-binding> in stream:features per XEP-0440 0.4.0
Matthew Wild <mwild1@gmail.com>
parents:
12721
diff
changeset
|
416 features:tag("channel-binding", {type=channel_binding}):up() |
|
12541
97af41d580f7
mod_saslauth: Advertise channel bindings via XEP-0440
Kim Alvefur <zash@zash.se>
parents:
12480
diff
changeset
|
417 end |
|
12726
9f100ab9ffdf
mod_saslauth: Put <sasl-channel-binding> in stream:features per XEP-0440 0.4.0
Matthew Wild <mwild1@gmail.com>
parents:
12721
diff
changeset
|
418 features:up(); |
|
12541
97af41d580f7
mod_saslauth: Advertise channel bindings via XEP-0440
Kim Alvefur <zash@zash.se>
parents:
12480
diff
changeset
|
419 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
|
420 return; |
|
2451
d2f747920eaf
mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents:
2450
diff
changeset
|
421 end |
|
10339
8b06d2d51e04
mod_saslauth: Improve logging of why no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents:
10338
diff
changeset
|
422 |
|
12333
ed8a4f8dfd27
usermanager, mod_saslauth: Default to internal_hashed if no auth module specified
Matthew Wild <mwild1@gmail.com>
parents:
12330
diff
changeset
|
423 local authmod = module:get_option_string("authentication", "internal_hashed"); |
|
10339
8b06d2d51e04
mod_saslauth: Improve logging of why no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents:
10338
diff
changeset
|
424 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
|
425 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
|
426 return; |
|
6489
1f07c72112d2
mod_saslauth: Log warning if no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents:
6488
diff
changeset
|
427 end |
|
10339
8b06d2d51e04
mod_saslauth: Improve logging of why no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents:
10338
diff
changeset
|
428 |
|
8b06d2d51e04
mod_saslauth: Improve logging of why no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents:
10338
diff
changeset
|
429 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
|
430 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
|
431 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
|
432 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
|
433 else |
|
10340
5c6912289ce3
mod_saslauth: Demote "no SASL mechanisms" error back to warning
Kim Alvefur <zash@zash.se>
parents:
10339
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434 log("warn", "All SASL mechanisms provided by authentication module '%s' are forbidden on insecure connections (%s)", |
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10339
8b06d2d51e04
mod_saslauth: Improve logging of why no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents:
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435 authmod, available_insecure); |
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436 end |
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437 elseif not available_disabled:empty() then |
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mod_saslauth: Demote "no SASL mechanisms" error back to warning
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parents:
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438 log("warn", "All SASL mechanisms provided by authentication module '%s' are disabled (%s)", |
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mod_saslauth: Improve logging of why no SASL mechanisms were offered
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439 authmod, available_disabled); |
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440 end |
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changeset
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441 |
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12721
7830db3c38c3
mod_saslauth: Fix incorrect variable name introduced in 27a4a7e64831
Matthew Wild <mwild1@gmail.com>
parents:
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changeset
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442 elseif not origin.full_jid then |
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2451
d2f747920eaf
mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents:
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443 features:tag("bind", bind_attr):tag("required"):up():up(); |
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444 features:tag("session", xmpp_session_attr):tag("optional"):up():up(); |
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445 end |
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446 end); |
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ffe8a9296e04
mod_saslauth, usermanager: Fetch list of mechanisms from usermanager
Nick Thomas
parents:
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diff
changeset
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447 |
| 3651 | 448 module:hook("s2s-stream-features", function(event) |
| 449 local origin, features = event.origin, event.features; | |
| 450 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
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451 -- Offer EXTERNAL only if both chain and identity is valid. |
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mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
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452 if origin.cert_chain_status == "valid" and origin.cert_identity_status == "valid" then |
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mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
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453 module:log("debug", "Offering SASL EXTERNAL"); |
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mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
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454 origin.external_auth = "offered" |
| 3651 | 455 features:tag("mechanisms", { xmlns = xmlns_sasl }) |
| 456 :tag("mechanism"):text("EXTERNAL") | |
| 457 :up():up(); | |
| 458 end | |
| 459 end | |
| 460 end); | |
| 461 | |
|
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
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462 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
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463 local origin, stanza = event.origin, event.stanza; |
|
12912
44a78985471f
mod_saslauth: Support for SASL handlers forcing a specific resource
Matthew Wild <mwild1@gmail.com>
parents:
12726
diff
changeset
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464 local resource = origin.sasl_resource; |
|
44a78985471f
mod_saslauth: Support for SASL handlers forcing a specific resource
Matthew Wild <mwild1@gmail.com>
parents:
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changeset
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465 if stanza.attr.type == "set" and not resource then |
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d2f747920eaf
mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents:
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changeset
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466 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
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467 resource = bind:get_child("resource"); |
|
3523
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mod_saslauth: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents:
3468
diff
changeset
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468 resource = resource and #resource.tags == 0 and resource[1] or nil; |
|
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mod_saslauth: Fixed some indentation and added some semi-colons.
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469 end |
|
3523
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Waqas Hussain <waqas20@gmail.com>
parents:
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diff
changeset
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470 local success, err_type, err, err_msg = sm_bind_resource(origin, resource); |
|
32a0c3816d73
mod_saslauth: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents:
3468
diff
changeset
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471 if success then |
|
12912
44a78985471f
mod_saslauth: Support for SASL handlers forcing a specific resource
Matthew Wild <mwild1@gmail.com>
parents:
12726
diff
changeset
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472 origin.sasl_resource = nil; |
|
3523
32a0c3816d73
mod_saslauth: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents:
3468
diff
changeset
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473 origin.send(st.reply(stanza) |
|
32a0c3816d73
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Waqas Hussain <waqas20@gmail.com>
parents:
3468
diff
changeset
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474 :tag("bind", { xmlns = xmlns_bind }) |
|
32a0c3816d73
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Waqas Hussain <waqas20@gmail.com>
parents:
3468
diff
changeset
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475 :tag("jid"):text(origin.full_jid)); |
|
3524
d206b4e0a9f3
mod_saslauth: Improved logging a bit.
Waqas Hussain <waqas20@gmail.com>
parents:
3523
diff
changeset
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476 origin.log("debug", "Resource bound: %s", origin.full_jid); |
|
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d2f747920eaf
mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents:
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diff
changeset
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477 else |
|
3523
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Waqas Hussain <waqas20@gmail.com>
parents:
3468
diff
changeset
|
478 origin.send(st.error_reply(stanza, err_type, err, err_msg)); |
|
3524
d206b4e0a9f3
mod_saslauth: Improved logging a bit.
Waqas Hussain <waqas20@gmail.com>
parents:
3523
diff
changeset
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479 origin.log("debug", "Resource bind failed: %s", err_msg or err); |
|
2451
d2f747920eaf
mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents:
2450
diff
changeset
|
480 end |
|
3523
32a0c3816d73
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Waqas Hussain <waqas20@gmail.com>
parents:
3468
diff
changeset
|
481 return true; |
|
2451
d2f747920eaf
mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents:
2450
diff
changeset
|
482 end); |
|
1584
ffe8a9296e04
mod_saslauth, usermanager: Fetch list of mechanisms from usermanager
Nick Thomas
parents:
1523
diff
changeset
|
483 |
|
4029
fb027b2811c2
mod_saslauth: Handle session bind requests to the host, fixes OneTeam login
Matthew Wild <mwild1@gmail.com>
parents:
3553
diff
changeset
|
484 local function handle_legacy_session(event) |
|
3523
32a0c3816d73
mod_saslauth: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents:
3468
diff
changeset
|
485 event.origin.send(st.reply(event.stanza)); |
|
32a0c3816d73
mod_saslauth: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents:
3468
diff
changeset
|
486 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
|
487 end |
|
fb027b2811c2
mod_saslauth: Handle session bind requests to the host, fixes OneTeam login
Matthew Wild <mwild1@gmail.com>
parents:
3553
diff
changeset
|
488 |
|
fb027b2811c2
mod_saslauth: Handle session bind requests to the host, fixes OneTeam login
Matthew Wild <mwild1@gmail.com>
parents:
3553
diff
changeset
|
489 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
|
490 module:hook("iq/host/urn:ietf:params:xml:ns:xmpp-session:session", handle_legacy_session); |
