#
# $Id: openser.cfg 1676 2007-02-21 13:16:34Z bogdan_iancu $
#
# simple quick-start config script
# Please refer to the Core CookBook at http://www.openser.org/dokuwiki/doku.php
# for a explanation of possible statements, functions and parameters.
#

# ----------- global configuration parameters ------------------------

debug=3            # debug level (cmd line: -dddddddddd)
fork=yes
log_stderror=no    # (cmd line: -E)
#children=4

# Uncomment these lines to enter debugging mode 
#fork=no
#log_stderror=yes
#

port=5060

# uncomment the following lines for TLS support
#disable_tls = 0
#listen = tls:your_IP:5061
#tls_verify_server = 1
#tls_verify_client = 1
#tls_require_client_certificate = 0
#tls_method = TLSv1
#tls_certificate = "//etc/openser/tls/user/user-cert.pem"
#tls_private_key = "//etc/openser/tls/user/user-privkey.pem"
#tls_ca_list = "//etc/openser/tls/user/user-calist.pem"

# ------------------ module loading ----------------------------------

#set module path
mpath="//lib/openser/modules/"

# Uncomment this if you want to use SQL database
loadmodule "mysql.so"

loadmodule "sl.so"
loadmodule "tm.so"
loadmodule "rr.so"
loadmodule "maxfwd.so"
loadmodule "usrloc.so"
loadmodule "registrar.so"
loadmodule "textops.so"
loadmodule "mi_fifo.so"

# Add for mediaproxy
loadmodule "domain.so"
loadmodule "mediaproxy.so"
#loadmodule "xlog"

# Uncomment this if you want digest authentication
# mysql.so must be loaded !
loadmodule "auth.so"
loadmodule "auth_db.so"

# ----------------- setting module-specific parameters ---------------

# -- mi_fifo params --

modparam("mi_fifo", "fifo_name", "/tmp/openser_fifo")

# -- usrloc params --

#modparam("usrloc", "db_mode",   0)

# Uncomment this if you want to use SQL database 
# for persistent storage and comment the previous line
modparam("usrloc", "db_mode", 2)

# -- auth params --
# Uncomment if you are using auth module
#
modparam("auth_db", "calculate_ha1", yes)
#
# If you set "calculate_ha1" parameter to yes (which true in this config), 
# uncomment also the following parameter)
#
modparam("auth_db", "password_column", "password")

# -- rr params --
# add value to ;lr param to make some broken UAs happy
modparam("rr", "enable_full_lr", 1)

# -- mediaproxy --
modparam("mediaproxy", "mediaproxy_socket", "//var/run/proxydispather.sock")
modparam("mediaproxy", "natping_interval", 30)
modparam("usrloc", "nat_bflag", 2)

# -------------------------  request routing logic -------------------

# main routing logic

route{

        # initial sanity checks -- messages with
        # max_forwards==0, or excessively long requests
        if (!mf_process_maxfwd_header("10")) {
                sl_send_reply("483","Too Many Hops");
                exit;
        };

        if (msg:len >=  2048 ) {
                sl_send_reply("513", "Message too big");
                exit;
        };

        # we record-route all messages -- to make sure that
        # subsequent messages will go through our proxy; that's
        # particularly good if upstream and downstream entities
        # use different transport protocol
        if (!method=="REGISTER")
                record_route();

        # subsequent messages withing a dialog should take the
        # path determined by record-routing
        if (loose_route()) {
                # mark routing logic in request
                append_hf("P-hint: rr-enforced\r\n"); 
                route(1);
        };

        # NAT test
        if (client_nat_test("3") && !is_present_hf("Route")) {
                setflag(2); # flag for NAT
                force_rport();
                fix_contact();
                append_hf("P-hint: NAT\r\n");
        }

        if (!uri==myself) {
                # mark routing logic in request
                append_hf("P-hint: outbound\r\n"); 
                # if you have some interdomain connections via TLS
                #if(uri=~"@tls_domain1.net") {
                #       t_relay("tls:domain1.net");
                #       exit;
                #} else if(uri=~"@tls_domain2.net") {
                #       t_relay("tls:domain2.net");
                #       exit;
                #}
                route(1);
        };

        # if the request is for other domain use UsrLoc
        # (in case, it does not work, use the following command
        # with proper names and addresses in it)
        if (uri==myself) {

                if (method=="REGISTER") {
                        log(3,"Register Incoming");
                        # Uncomment this if you want to use digest authentication
                        if (!www_authorize("xx.com", "subscriber")) {
                                www_challenge("xx.com", "0");
                                exit;
                        };

                        save("location");
                        exit;
                };

                lookup("aliases");
                if (!uri==myself) {
                        append_hf("P-hint: outbound alias\r\n"); 
                        route(1);
                };

                # native SIP destinations are handled using our USRLOC DB
                if (!lookup("location")) {
                        if(uri =~"^sip:[0,1,3-9]" && !uri =~"^sip:3[0-1]"){
                                log(1,"Forwarding to PSTN\n");
                                rewritehostport("x.x.x.x:5060");
                                t_relay();
                                exit;
                        }else{
                                sl_send_reply("404", "Not Found");
                                log(1,"404 Not Found\n");
                                exit;
                        };

                append_hf("P-hint: usrloc applied\r\n"); 
                };
        };
        route(1);
}

route[1] {
        # Add for mediaproxy
        if (isflagset(2)) {
                if (method=="INVITE") {
                        t_on_reply("1");
                        t_on_failure("1");
                        log(1,"use media proxy");
                        use_media_proxy();
                }else if (method=="BYE|CANCEL") {
                        end_media_session();
                }
        }

        # send it out now; use stateful forwarding as it works reliably
        # even for UDP2TCP
        if (!t_relay()) {
                sl_reply_error();
        };
        exit;
}

# Add for mediaproxy
onreply_route[1] {
        if (status =~ "(183)|(2[0-9][0-9])") {
                if (client_nat_test("1")) {
                        fix_contact();
                }
                use_media_proxy();
        }
}
failure_route[1] {
        end_media_session();
}