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plugins/mod_saslauth.lua @ 12315:cf2086a1bd45
util.poll: Expose API (epoll or select) used
Could he handy to know for debugging or decisions
| author | Kim Alvefur <zash@zash.se> |
|---|---|
| date | Sun, 27 Feb 2022 14:36:43 +0100 |
| parent | 11526:15a3db955ad3 |
| child | 12330:38b5b05407be |
| 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 |
| 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"; |
| 38 | 17 |
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18 local usermanager_get_sasl_handler = require "core.usermanager".get_sasl_handler; |
| 38 | 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; |
| 38 | 26 |
| 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'; |
| 38 | 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 not session.sasl_handler then |
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49 return "failure", "temporary-auth-failure", "Connection gone"; |
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50 end |
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51 if status == "failure" then |
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52 module:fire_event("authentication-failure", { session = session, condition = ret, text = err_msg }); |
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53 session.sasl_handler = session.sasl_handler:clean_clone(); |
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54 elseif status == "success" then |
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55 local ok, err = sm_make_authenticated(session, session.sasl_handler.username, session.sasl_handler.scope); |
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56 if ok then |
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57 module:fire_event("authentication-success", { session = session }); |
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58 session.sasl_handler = nil; |
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59 session:reset_stream(); |
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60 else |
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61 module:log("warn", "SASL succeeded but username was invalid"); |
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62 module:fire_event("authentication-failure", { session = session, condition = "not-authorized", text = err }); |
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63 session.sasl_handler = session.sasl_handler:clean_clone(); |
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64 return "failure", "not-authorized", "User authenticated successfully, but username was invalid"; |
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65 end |
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66 end |
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67 return status, ret, err_msg; |
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68 end |
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69 |
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70 local function sasl_process_cdata(session, stanza) |
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71 local text = stanza[1]; |
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72 if text then |
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73 text = base64.decode(text); |
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74 if not text then |
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75 session.sasl_handler = nil; |
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76 session.send(build_reply("failure", "incorrect-encoding")); |
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77 return true; |
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78 end |
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79 end |
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80 local status, ret, err_msg = session.sasl_handler:process(text); |
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81 status, ret, err_msg = handle_status(session, status, ret, err_msg); |
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82 local s = build_reply(status, ret, err_msg); |
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83 session.send(s); |
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84 return true; |
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85 end |
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86 |
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87 module:hook_tag(xmlns_sasl, "success", function (session) |
| 3651 | 88 if session.type ~= "s2sout_unauthed" or session.external_auth ~= "attempting" then return; end |
| 89 module:log("debug", "SASL EXTERNAL with %s succeeded", session.to_host); | |
| 90 session.external_auth = "succeeded" | |
| 91 session:reset_stream(); | |
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92 session:open_stream(session.from_host, session.to_host); |
| 3651 | 93 |
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94 module:fire_event("s2s-authenticated", { session = session, host = session.to_host, mechanism = "EXTERNAL" }); |
| 3651 | 95 return true; |
| 96 end) | |
| 97 | |
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98 module:hook_tag(xmlns_sasl, "failure", function (session, stanza) |
| 3651 | 99 if session.type ~= "s2sout_unauthed" or session.external_auth ~= "attempting" then return; end |
| 100 | |
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101 local text = stanza:get_child_text("text"); |
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102 local condition = "unknown-condition"; |
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103 for child in stanza:childtags() do |
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104 if child.name ~= "text" then |
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105 condition = child.name; |
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106 break; |
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107 end |
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108 end |
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109 local err = errors.new({ |
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110 -- TODO type = what? |
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111 text = text, |
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112 condition = condition, |
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113 }, { |
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114 session = session, |
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115 stanza = stanza, |
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116 }); |
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117 |
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118 module:log("info", "SASL EXTERNAL with %s failed: %s", session.to_host, err); |
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119 |
| 3651 | 120 session.external_auth = "failed" |
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121 session.external_auth_failure_reason = err; |
| 3651 | 122 end, 500) |
| 123 | |
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124 module:hook_tag(xmlns_sasl, "failure", function (session, stanza) -- luacheck: ignore 212/stanza |
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125 session.log("debug", "No fallback from SASL EXTERNAL failure, giving up"); |
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126 session:close(nil, session.external_auth_failure_reason, errors.new({ |
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127 type = "wait", condition = "remote-server-timeout", |
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128 text = "Could not authenticate to remote server", |
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129 }, { session = session, sasl_failure = session.external_auth_failure_reason, })); |
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130 return true; |
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131 end, 90) |
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132 |
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133 module:hook_tag("http://etherx.jabber.org/streams", "features", function (session, stanza) |
| 3651 | 134 if session.type ~= "s2sout_unauthed" or not session.secure then return; end |
| 135 | |
| 136 local mechanisms = stanza:get_child("mechanisms", xmlns_sasl) | |
| 137 if mechanisms then | |
| 138 for mech in mechanisms:childtags() do | |
| 139 if mech[1] == "EXTERNAL" then | |
| 140 module:log("debug", "Initiating SASL EXTERNAL with %s", session.to_host); | |
| 141 local reply = st.stanza("auth", {xmlns = xmlns_sasl, mechanism = "EXTERNAL"}); | |
| 142 reply:text(base64.encode(session.from_host)) | |
| 143 session.sends2s(reply) | |
| 144 session.external_auth = "attempting" | |
| 145 return true | |
| 146 end | |
| 147 end | |
| 148 end | |
| 149 end, 150); | |
| 150 | |
| 151 local function s2s_external_auth(session, stanza) | |
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152 if session.external_auth ~= "offered" then return end -- Unexpected request |
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153 |
| 3651 | 154 local mechanism = stanza.attr.mechanism; |
| 155 | |
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156 if mechanism ~= "EXTERNAL" then |
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157 session.sends2s(build_reply("failure", "invalid-mechanism")); |
| 3651 | 158 return true; |
| 159 end | |
| 160 | |
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161 if not session.secure then |
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162 session.sends2s(build_reply("failure", "encryption-required")); |
| 3651 | 163 return true; |
| 164 end | |
| 165 | |
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166 local text = stanza[1]; |
| 3651 | 167 if not text then |
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168 session.sends2s(build_reply("failure", "malformed-request")); |
| 3651 | 169 return true; |
| 170 end | |
| 171 | |
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172 text = base64.decode(text); |
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173 if not text then |
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174 session.sends2s(build_reply("failure", "incorrect-encoding")); |
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175 return true; |
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176 end |
| 3651 | 177 |
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178 -- The text value is either "" or equals session.from_host |
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179 if not ( text == "" or text == session.from_host ) then |
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180 session.sends2s(build_reply("failure", "invalid-authzid")); |
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181 return true; |
| 3651 | 182 end |
| 183 | |
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184 -- We've already verified the external cert identity before offering EXTERNAL |
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185 if session.cert_chain_status ~= "valid" or session.cert_identity_status ~= "valid" then |
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186 session.sends2s(build_reply("failure", "not-authorized")); |
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187 session:close(); |
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188 return true; |
| 3651 | 189 end |
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190 |
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191 -- Success! |
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192 session.external_auth = "succeeded"; |
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193 session.sends2s(build_reply("success")); |
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194 module:log("info", "Accepting SASL EXTERNAL identity from %s", session.from_host); |
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195 module:fire_event("s2s-authenticated", { session = session, host = session.from_host, mechanism = mechanism }); |
| 3651 | 196 session:reset_stream(); |
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197 return true; |
| 3651 | 198 end |
| 199 | |
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200 module:hook("stanza/urn:ietf:params:xml:ns:xmpp-sasl:auth", function(event) |
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201 local session, stanza = event.origin, event.stanza; |
| 3651 | 202 if session.type == "s2sin_unauthed" then |
| 203 return s2s_external_auth(session, stanza) | |
| 204 end | |
| 205 | |
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206 if session.type ~= "c2s_unauthed" or module:get_host_type() ~= "local" then return; end |
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207 |
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208 if session.sasl_handler and session.sasl_handler.selected then |
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209 session.sasl_handler = nil; -- allow starting a new SASL negotiation before completing an old one |
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210 end |
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211 if not session.sasl_handler then |
|
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212 session.sasl_handler = usermanager_get_sasl_handler(module.host, session); |
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213 end |
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214 local mechanism = stanza.attr.mechanism; |
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215 if not session.secure and (secure_auth_only or insecure_mechanisms:contains(mechanism)) then |
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216 session.send(build_reply("failure", "encryption-required")); |
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217 return true; |
|
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218 elseif disabled_mechanisms:contains(mechanism) then |
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219 session.send(build_reply("failure", "invalid-mechanism")); |
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220 return true; |
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221 end |
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222 local valid_mechanism = session.sasl_handler:select(mechanism); |
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223 if not valid_mechanism then |
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224 session.send(build_reply("failure", "invalid-mechanism")); |
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225 return true; |
|
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226 end |
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227 return sasl_process_cdata(session, stanza); |
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228 end); |
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229 module:hook("stanza/urn:ietf:params:xml:ns:xmpp-sasl:response", function(event) |
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230 local session = event.origin; |
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231 if not(session.sasl_handler and session.sasl_handler.selected) then |
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232 session.send(build_reply("failure", "not-authorized", "Out of order SASL element")); |
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233 return true; |
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234 end |
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235 return sasl_process_cdata(session, event.stanza); |
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236 end); |
|
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237 module:hook("stanza/urn:ietf:params:xml:ns:xmpp-sasl:abort", function(event) |
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238 local session = event.origin; |
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239 session.sasl_handler = nil; |
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240 session.send(build_reply("failure", "aborted")); |
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241 return true; |
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Waqas Hussain <waqas20@gmail.com>
parents:
3535
diff
changeset
|
242 end); |
|
284
4f540755260c
mod_saslauth: Added base64 decoding, encoding check, and cleaned the code up.
Waqas Hussain <waqas20@gmail.com>
parents:
281
diff
changeset
|
243 |
|
6518
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mod_saslauth: Break out tls-unique channel binding callback so it is instantiated once
Kim Alvefur <zash@zash.se>
parents:
6517
diff
changeset
|
244 local function tls_unique(self) |
|
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mod_saslauth: Make it easier to support multiple channel binding methonds
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parents:
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diff
changeset
|
245 return self.userdata["tls-unique"]:getpeerfinished(); |
|
6518
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mod_saslauth: Break out tls-unique channel binding callback so it is instantiated once
Kim Alvefur <zash@zash.se>
parents:
6517
diff
changeset
|
246 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
|
247 |
|
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
|
248 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
|
249 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
|
250 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
|
251 module:hook("stream-features", function(event) |
|
475552b04151
mod_saslauth: Hook stream-features event using new events API.
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parents:
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diff
changeset
|
252 local origin, features = event.origin, event.features; |
|
7896
1a2674123c1c
mod_saslauth: Cache logger in local for less typing
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parents:
7784
diff
changeset
|
253 local log = origin.log or log; |
|
2612
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parents:
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diff
changeset
|
254 if not origin.username then |
|
475552b04151
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parents:
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diff
changeset
|
255 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
|
256 log("debug", "Not offering authentication on insecure connection"); |
|
2451
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parents:
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diff
changeset
|
257 return; |
|
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Waqas Hussain <waqas20@gmail.com>
parents:
2450
diff
changeset
|
258 end |
|
6517
e733e98a348a
mod_saslauth: Keep sasl_handler in a local variable
Kim Alvefur <zash@zash.se>
parents:
6493
diff
changeset
|
259 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
|
260 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
|
261 if origin.encrypted then |
|
9993
02a41315d275
Fix various spelling mistakes [codespell]
Kim Alvefur <zash@zash.se>
parents:
9738
diff
changeset
|
262 -- 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
|
263 -- 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
|
264 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
|
265 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
|
266 local info = socket.info and socket:info(); |
|
1bfd238e05ad
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Kim Alvefur <zash@zash.se>
parents:
8513
diff
changeset
|
267 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
|
268 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
|
269 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
|
270 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
|
271 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
|
272 else |
|
39111f0e83d0
mod_saslauth: Log (debug) messages about channel binding
Kim Alvefur <zash@zash.se>
parents:
10334
diff
changeset
|
273 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
|
274 end |
|
6519
367db22cf7d2
mod_saslauth: Make it easier to support multiple channel binding methonds
Kim Alvefur <zash@zash.se>
parents:
6518
diff
changeset
|
275 sasl_handler["userdata"] = { |
|
367db22cf7d2
mod_saslauth: Make it easier to support multiple channel binding methonds
Kim Alvefur <zash@zash.se>
parents:
6518
diff
changeset
|
276 ["tls-unique"] = socket; |
|
367db22cf7d2
mod_saslauth: Make it easier to support multiple channel binding methonds
Kim Alvefur <zash@zash.se>
parents:
6518
diff
changeset
|
277 }; |
|
10337
39111f0e83d0
mod_saslauth: Log (debug) messages about channel binding
Kim Alvefur <zash@zash.se>
parents:
10334
diff
changeset
|
278 else |
|
39111f0e83d0
mod_saslauth: Log (debug) messages about channel binding
Kim Alvefur <zash@zash.se>
parents:
10334
diff
changeset
|
279 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
|
280 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
|
281 end |
|
4395
d322c4553f97
mod_saslauth: Never send empty <mechanisms/>, for real this time.
Waqas Hussain <waqas20@gmail.com>
parents:
4392
diff
changeset
|
282 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
|
283 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
|
284 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
|
285 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
|
286 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
|
287 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
|
288 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
|
289 |
|
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 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
|
291 |
|
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 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
|
293 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
|
294 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
|
295 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
|
296 |
|
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 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
|
298 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
|
299 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
|
300 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
|
301 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
|
302 |
|
56a0f68b7797
mod_saslauth: Use the power of Set Theory to mange sets of SASL mechanisms
Kim Alvefur <zash@zash.se>
parents:
10337
diff
changeset
|
303 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
|
304 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
|
305 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
|
306 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
|
307 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
|
308 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
|
309 return; |
|
2451
d2f747920eaf
mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents:
2450
diff
changeset
|
310 end |
|
10339
8b06d2d51e04
mod_saslauth: Improve logging of why no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents:
10338
diff
changeset
|
311 |
|
8b06d2d51e04
mod_saslauth: Improve logging of why no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents:
10338
diff
changeset
|
312 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
|
313 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
|
314 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
|
315 return; |
|
6489
1f07c72112d2
mod_saslauth: Log warning if no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents:
6488
diff
changeset
|
316 end |
|
10339
8b06d2d51e04
mod_saslauth: Improve logging of why no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents:
10338
diff
changeset
|
317 |
|
8b06d2d51e04
mod_saslauth: Improve logging of why no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents:
10338
diff
changeset
|
318 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
|
319 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
|
320 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
|
321 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
|
322 else |
|
10340
5c6912289ce3
mod_saslauth: Demote "no SASL mechanisms" error back to warning
Kim Alvefur <zash@zash.se>
parents:
10339
diff
changeset
|
323 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
|
324 authmod, available_insecure); |
|
8b06d2d51e04
mod_saslauth: Improve logging of why no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents:
10338
diff
changeset
|
325 end |
|
8b06d2d51e04
mod_saslauth: Improve logging of why no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents:
10338
diff
changeset
|
326 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
|
327 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
|
328 authmod, available_disabled); |
|
8b06d2d51e04
mod_saslauth: Improve logging of why no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents:
10338
diff
changeset
|
329 end |
|
8b06d2d51e04
mod_saslauth: Improve logging of why no SASL mechanisms were offered
Kim Alvefur <zash@zash.se>
parents:
10338
diff
changeset
|
330 |
|
2451
d2f747920eaf
mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents:
2450
diff
changeset
|
331 else |
|
d2f747920eaf
mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents:
2450
diff
changeset
|
332 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
|
333 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
|
334 end |
|
d2f747920eaf
mod_saslauth: Fixed some indentation and added some semi-colons.
Waqas Hussain <waqas20@gmail.com>
parents:
2450
diff
changeset
|
335 end); |
|
1584
ffe8a9296e04
mod_saslauth, usermanager: Fetch list of mechanisms from usermanager
Nick Thomas
parents:
1523
diff
changeset
|
336 |
| 3651 | 337 module:hook("s2s-stream-features", function(event) |
| 338 local origin, features = event.origin, event.features; | |
| 339 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
|
340 -- 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
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341 if origin.cert_chain_status == "valid" and origin.cert_identity_status == "valid" then |
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436a670a0189
mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents:
6424
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342 module:log("debug", "Offering SASL EXTERNAL"); |
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mod_saslauth: Stricter SASL EXTERNAL handling more in line with XEP-0178
Kim Alvefur <zash@zash.se>
parents:
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343 origin.external_auth = "offered" |
| 3651 | 344 features:tag("mechanisms", { xmlns = xmlns_sasl }) |
| 345 :tag("mechanism"):text("EXTERNAL") | |
| 346 :up():up(); | |
| 347 end | |
| 348 end | |
| 349 end); | |
| 350 | |
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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
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351 module:hook("stanza/iq/urn:ietf:params:xml:ns:xmpp-bind:bind", function(event) |
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Waqas Hussain <waqas20@gmail.com>
parents:
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352 local origin, stanza = event.origin, event.stanza; |
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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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353 local resource; |
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parents:
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354 if stanza.attr.type == "set" then |
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d2f747920eaf
mod_saslauth: Fixed some indentation and added some semi-colons.
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parents:
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changeset
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355 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
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356 resource = bind:get_child("resource"); |
|
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parents:
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357 resource = resource and #resource.tags == 0 and resource[1] or nil; |
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parents:
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358 end |
|
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parents:
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359 local success, err_type, err, err_msg = sm_bind_resource(origin, resource); |
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parents:
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360 if success then |
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Waqas Hussain <waqas20@gmail.com>
parents:
3468
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changeset
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361 origin.send(st.reply(stanza) |
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parents:
3468
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362 :tag("bind", { xmlns = xmlns_bind }) |
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parents:
3468
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363 :tag("jid"):text(origin.full_jid)); |
|
3524
d206b4e0a9f3
mod_saslauth: Improved logging a bit.
Waqas Hussain <waqas20@gmail.com>
parents:
3523
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364 origin.log("debug", "Resource bound: %s", origin.full_jid); |
|
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parents:
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365 else |
|
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parents:
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366 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
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changeset
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367 origin.log("debug", "Resource bind failed: %s", err_msg or err); |
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parents:
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368 end |
|
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parents:
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369 return true; |
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parents:
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changeset
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370 end); |
|
1584
ffe8a9296e04
mod_saslauth, usermanager: Fetch list of mechanisms from usermanager
Nick Thomas
parents:
1523
diff
changeset
|
371 |
|
4029
fb027b2811c2
mod_saslauth: Handle session bind requests to the host, fixes OneTeam login
Matthew Wild <mwild1@gmail.com>
parents:
3553
diff
changeset
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372 local function handle_legacy_session(event) |
|
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parents:
3468
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373 event.origin.send(st.reply(event.stanza)); |
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parents:
3468
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374 return true; |
|
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mod_saslauth: Handle session bind requests to the host, fixes OneTeam login
Matthew Wild <mwild1@gmail.com>
parents:
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changeset
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375 end |
|
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mod_saslauth: Handle session bind requests to the host, fixes OneTeam login
Matthew Wild <mwild1@gmail.com>
parents:
3553
diff
changeset
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376 |
|
fb027b2811c2
mod_saslauth: Handle session bind requests to the host, fixes OneTeam login
Matthew Wild <mwild1@gmail.com>
parents:
3553
diff
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377 module:hook("iq/self/urn:ietf:params:xml:ns:xmpp-session:session", handle_legacy_session); |
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fb027b2811c2
mod_saslauth: Handle session bind requests to the host, fixes OneTeam login
Matthew Wild <mwild1@gmail.com>
parents:
3553
diff
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378 module:hook("iq/host/urn:ietf:params:xml:ns:xmpp-session:session", handle_legacy_session); |
