#
# $Id$
#

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

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

check_via=no      # (cmd. line: -v)
dns=no            # (cmd. line: -r)
rev_dns=no        # (cmd. line: -R)
children=4
fifo="/tmp/openser_fifo"

listen=udp:10.10.10.10:5060

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

# Uncomment this if you want to use SQL database
mpath="/usr/local/lib/openser/modules"
loadmodule "mysql.so"

loadmodule "xlog.so"
loadmodule "sl.so"
loadmodule "tm.so"
loadmodule "rr.so"
loadmodule "maxfwd.so"
loadmodule "usrloc.so"
loadmodule "registrar.so"
loadmodule "textops.so"
loadmodule "avpops.so"
loadmodule "auth.so"
loadmodule "auth_db.so"
loadmodule "group.so"
loadmodule "uri.so"

# ----------------- setting module-specific parameters ---------------
modparam("usrloc|auth_db|avpops|group",
    "db_url", "mysql://openser:openserrw@localhost/openser")

# -- usrloc params --
# persistent storage
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)


modparam("avpops", "avp_table", "usr_preferences")

# -------------------------  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);
	};

	if (!uri==myself) {
		# mark routing logic in request
		append_hf("P-hint: outbound\r\n"); 
		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") {
			if (!www_authorize("openser.org", "subscriber")) {
				www_challenge("openser.org", "0");
				exit;
			};

			save("location");
			exit;
		};

		# requests for Media server
		if(is_method("INVITE") && !has_totag() && uri=~"sip:\*9") {
			route(3);
			exit;
		}

		# mark transaction if user is in voicemail group
		if(is_method("INVITE") && !has_totag()
			&& is_user_in("Request-URI","voicemail"))
		{
			xdbg("user [$ru] has voicemail redirection enabled\n");
			# backup R-URI
			avp_write("$ruri", "i:10");
			setflag(2);
		};
		# native SIP destinations are handled using our USRLOC DB
		if (!lookup("location")) {
			if(isflagset(2)) {
				# route to Asterisk Media Server
				prefix("1");
				rewritehostport("10.10.10.11:5060");
				route(1);
			} else {
				sl_send_reply("404", "Not Found");
				exit;
			}
		};
		append_hf("P-hint: usrloc applied\r\n"); 
	};

	route(1);
}


route[1] {
	
	if(isflagset(2))
		t_on_failure("1");

	if (!t_relay()) {
		sl_reply_error();
	};
	exit;
}


# voicemail access
# - *98 - listen caller's voice messages, being prompted for pin
# - *981 - listen voice messages, being promted for mailbox and pin
# - *98XXXX - leave voice message to XXXX
#
route[3] {
  	# direct voicemail
	if (uri =~ "sip:\*98@" ) {
        	rewriteuser("1");
		xdbg("voicemail access\n");
	} else if (uri =~ "sip:\*981@" ) {
 		strip(4);
		rewriteuser("11");
	} else if (uri =~ "sip:\*98.+@" ) {
 		strip(3);
		prefix("1");
	} else {
		xlog("unknown media extension $rU\n");
		sl_send_reply("404", "Unknown media service");
		exit;
	}

	# route to Asterisk Media Server
	rewritehostport("10.10.10.11:5060");
	route(1);
}

failure_route[1] {
	if (t_was_cancelled()) {
		xdbg("transaction was cancelled by UAC\n");
		return;
	}
	# restore initial uri
	avp_pushto("$ruri", "i:10");
	prefix("1");
	# route to Asterisk Media Server
	rewritehostport("10.10.10.11:5060");
	resetflag(2);
	route(1);
}