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--- tutorials:auth:auth_db [2014/12/09 21:42] – [Installation of the Kamailio Auth, Auth_DB, usrloc] eschmidbauer
+++ tutorials:auth:auth_db [2014/12/09 21:55] (current) – eschmidbauer
@@ Line 1: / Line 1: @@
 **Note: This document is work in progress and yet unfinished!**
+written by Emmanuel Schmidbauer (eschmidbauer@gmail.com)
 This guide is designed to illustrate how to setup auth_db and usrloc to do digest authentication using a database backend. I will be using a postgresql database in this example.
+The following modules are required: usrloc, registrar, auth, auth_db
@@ Line 8: / Line 12: @@
 You'll probably want to setup your database and add a few users. I will briefly go over how to setup the tables using the schema provided with kamailio.
-====== Installation of the Kamailio Modules auth, auth_db, usrloc ======
+====== Modules: auth, auth_db, usrloc, registrar ======
+<code>
+loadmodule "auth.so"
+loadmodule "auth_db.so"
+loadmodule "usrloc.so"
+loadmodule "registrar.so"
+</code>
+<code>
+modparam("auth_db|usrloc", "db_url", DB_URL)
+modparam("auth_db", "use_domain", 1)
+modparam("auth_db", "calculate_ha1", 1)
+modparam("usrloc", "db_mode", 3 )
+modparam("usrloc", "desc_time_order", 1 )
+modparam("usrloc", "nat_bflag", 1 )
+modparam("usrloc", "timer_interval", 5 )
+modparam("usrloc", "use_domain", 1)
+modparam("nathelper|registrar", "received_avp", "$avp(s:rcv)")
+</code>
+<code>
+# -------------------------  request routing logic -------------------
+# main routing logic
+route {
+        # per request initial checks
+        route(SANITY_CHECK);
+        # CANCEL processing
+        if (is_method("CANCEL")) {
+                if (t_check_trans()) {
+                        t_relay();
+                }
+                exit;
+        }
+        route(CHECK_SOURCE_IP);
+        ##################################
+        ### HANDLE SEQUENTIAL REQUESTS ###
+        route(WITHINDLG);
+        ###############################
+        ### HANDLE INITIAL REQUESTS ###
+        t_check_trans();
+        route(REGISTER);
+        route(INVITE);
+        route(RELAY);
+}
+</code>
+<code>
+route[REGISTER]
+{
+        if (is_method("REGISTER")) {
+                # auth user/pass
+                if(!www_authenticate("$fd", "user_extension")) {
+                        www_challenge("$fd", "1");
+                }
+                if (!save("sip_registration")) {
+                        sl_reply_error();
+                }
+                exit;
+        }
+}
+</code>
+<code>
+# Handle INVITE + REFER
+route[INVITE]
+{
+        # record routing for dialog forming requests (in case they are routed)
+        # remove preloaded route headers
+        remove_hf("Route");
+        if (is_method("INVITE|REFER")) {
+                record_route();
+               # auth user/pass
+                if (!proxy_authenticate("$fd", "user_extension")) {
+                        proxy_challenge("$fd", "1");
+                        exit;
+                }
+        }
+}
+</code>