prosody
d2f747920eaf
plugins/mod_saslauth.lua

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plugins/mod_saslauth.lua @ 2451:d2f747920eaf

mod_saslauth: Fixed some indentation and added some semi-colons.
author Waqas Hussain <waqas20@gmail.com>
date Mon, 11 Jan 2010 19:17:26 +0500
parent 2450:03bb0e6d87d5
child 2612:475552b04151
comparison
equal deleted inserted replaced
2450:03bb0e6d87d5 2451:d2f747920eaf
19 local usermanager_get_supported_methods = require "core.usermanager".get_supported_methods; 19 local usermanager_get_supported_methods = require "core.usermanager".get_supported_methods;
20 local usermanager_user_exists = require "core.usermanager".user_exists; 20 local usermanager_user_exists = require "core.usermanager".user_exists;
21 local usermanager_get_password = require "core.usermanager".get_password; 21 local usermanager_get_password = require "core.usermanager".get_password;
22 local t_concat, t_insert = table.concat, table.insert; 22 local t_concat, t_insert = table.concat, table.insert;
23 local tostring = tostring; 23 local tostring = tostring;
24 local jid_split = require "util.jid".split 24 local jid_split = require "util.jid".split;
25 local md5 = require "util.hashes".md5; 25 local md5 = require "util.hashes".md5;
26 local config = require "core.configmanager"; 26 local config = require "core.configmanager";
27 27
28 local secure_auth_only = module:get_option("c2s_require_encryption") or module:get_option("require_encryption"); 28 local secure_auth_only = module:get_option("c2s_require_encryption") or module:get_option("require_encryption");
29 local sasl_backend = module:get_option("sasl_backend") or "builtin"; 29 local sasl_backend = module:get_option("sasl_backend") or "builtin";
36 36
37 local new_sasl 37 local new_sasl
38 if sasl_backend == "cyrus" then 38 if sasl_backend == "cyrus" then
39 local cyrus_new = require "util.sasl_cyrus".new; 39 local cyrus_new = require "util.sasl_cyrus".new;
40 new_sasl = function(realm) 40 new_sasl = function(realm)
41 return cyrus_new(realm, module:get_option("cyrus_service_name") or "xmpp") 41 return cyrus_new(realm, module:get_option("cyrus_service_name") or "xmpp");
42 end 42 end
43 else 43 else
44 if sasl_backend ~= "builtin" then module:log("warn", "Unknown SASL backend %s", sasl_backend) end; 44 if sasl_backend ~= "builtin" then module:log("warn", "Unknown SASL backend %s", sasl_backend); end;
45 new_sasl = require "util.sasl".new; 45 new_sasl = require "util.sasl".new;
46 end 46 end
47 47
48 local default_authentication_profile = { 48 local default_authentication_profile = {
49 plain = function(username, realm) 49 plain = function(username, realm)
142 module:add_handler("c2s_unauthed", "response", xmlns_sasl, sasl_handler); 142 module:add_handler("c2s_unauthed", "response", xmlns_sasl, sasl_handler);
143 143
144 local mechanisms_attr = { xmlns='urn:ietf:params:xml:ns:xmpp-sasl' }; 144 local mechanisms_attr = { xmlns='urn:ietf:params:xml:ns:xmpp-sasl' };
145 local bind_attr = { xmlns='urn:ietf:params:xml:ns:xmpp-bind' }; 145 local bind_attr = { xmlns='urn:ietf:params:xml:ns:xmpp-bind' };
146 local xmpp_session_attr = { xmlns='urn:ietf:params:xml:ns:xmpp-session' }; 146 local xmpp_session_attr = { xmlns='urn:ietf:params:xml:ns:xmpp-session' };
147 module:add_event_hook("stream-features", 147 module:add_event_hook("stream-features", function(session, features)
148 function (session, features) 148 if not session.username then
149 if not session.username then 149 if secure_auth_only and not session.secure then
150 if secure_auth_only and not session.secure then 150 return;
151 return; 151 end
152 end 152 if module:get_option("anonymous_login") then
153 if module:get_option("anonymous_login") then 153 session.sasl_handler = new_sasl(session.host, anonymous_authentication_profile);
154 session.sasl_handler = new_sasl(session.host, anonymous_authentication_profile); 154 else
155 else 155 session.sasl_handler = new_sasl(session.host, default_authentication_profile);
156 session.sasl_handler = new_sasl(session.host, default_authentication_profile); 156 if not (module:get_option("allow_unencrypted_plain_auth")) and not session.secure then
157 if not (module:get_option("allow_unencrypted_plain_auth")) and not session.secure then 157 session.sasl_handler:forbidden({"PLAIN"});
158 session.sasl_handler:forbidden({"PLAIN"});
159 end
160 end
161 features:tag("mechanisms", mechanisms_attr);
162 for k, v in pairs(session.sasl_handler:mechanisms()) do
163 features:tag("mechanism"):text(v):up();
164 end
165 features:up();
166 else
167 features:tag("bind", bind_attr):tag("required"):up():up();
168 features:tag("session", xmpp_session_attr):tag("optional"):up():up();
169 end 158 end
170 end); 159 end
160 features:tag("mechanisms", mechanisms_attr);
161 for k, v in pairs(session.sasl_handler:mechanisms()) do
162 features:tag("mechanism"):text(v):up();
163 end
164 features:up();
165 else
166 features:tag("bind", bind_attr):tag("required"):up():up();
167 features:tag("session", xmpp_session_attr):tag("optional"):up():up();
168 end
169 end);
171 170
172 module:add_iq_handler("c2s", "urn:ietf:params:xml:ns:xmpp-bind", 171 module:add_iq_handler("c2s", "urn:ietf:params:xml:ns:xmpp-bind", function(session, stanza)
173 function (session, stanza) 172 log("debug", "Client requesting a resource bind");
174 log("debug", "Client requesting a resource bind"); 173 local resource;
175 local resource; 174 if stanza.attr.type == "set" then
176 if stanza.attr.type == "set" then 175 local bind = stanza.tags[1];
177 local bind = stanza.tags[1]; 176 if bind and bind.attr.xmlns == xmlns_bind then
178 if bind and bind.attr.xmlns == xmlns_bind then 177 resource = bind:child_with_name("resource");
179 resource = bind:child_with_name("resource"); 178 if resource then
180 if resource then 179 resource = resource[1];
181 resource = resource[1];
182 end
183 end
184 end 180 end
185 local success, err_type, err, err_msg = sm_bind_resource(session, resource); 181 end
186 if not success then 182 end
187 session.send(st.error_reply(stanza, err_type, err, err_msg)); 183 local success, err_type, err, err_msg = sm_bind_resource(session, resource);
188 else 184 if not success then
189 session.send(st.reply(stanza) 185 session.send(st.error_reply(stanza, err_type, err, err_msg));
190 :tag("bind", { xmlns = xmlns_bind}) 186 else
191 :tag("jid"):text(session.full_jid)); 187 session.send(st.reply(stanza)
192 end 188 :tag("bind", { xmlns = xmlns_bind})
193 end); 189 :tag("jid"):text(session.full_jid));
190 end
191 end);
194 192
195 module:add_iq_handler("c2s", "urn:ietf:params:xml:ns:xmpp-session", 193 module:add_iq_handler("c2s", "urn:ietf:params:xml:ns:xmpp-session", function(session, stanza)
196 function (session, stanza) 194 log("debug", "Client requesting a session");
197 log("debug", "Client requesting a session"); 195 session.send(st.reply(stanza));
198 session.send(st.reply(stanza)); 196 end);
199 end);