#
# $Id: openser.cfg,v 1.5 2005/10/28 19:45:33 bogdan_iancu Exp $
#
# ----------- global configuration parameters ------------------------

debug=3            # debug level (cmd line: -dddddddddd)
fork=yes
log_stderror=yes    # (cmd line: -E)

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

check_via=no	# (cmd. line: -v)
dns=no          # (cmd. line: -r)
rev_dns=no      # (cmd. line: -R)
port=5060
children=4
fifo="/tmp/openser_fifo"


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


loadmodule "/opt/openser/lib/openser/modules/sl.so"
loadmodule "/opt/openser/lib/openser/modules/tm.so"
loadmodule "/opt/openser/lib/openser/modules/rr.so"
loadmodule "/opt/openser/lib/openser/modules/maxfwd.so"
loadmodule "/opt/openser/lib/openser/modules/usrloc.so"
loadmodule "/opt/openser/lib/openser/modules/registrar.so"
loadmodule "/opt/openser/lib/openser/modules/textops.so"

loadmodule "/opt/openser/lib/openser/modules/auth.so"
loadmodule "/opt/openser/lib/openser/modules/auth_radius.so"

loadmodule "/opt/openser/lib/openser/modules/xlog.so"

loadmodule "/opt/openser/lib/openser/modules/nathelper.so"
loadmodule "/opt/openser/lib/openser/modules/uri.so"

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

# -- usrloc params --

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

#modparam("rr", "enable_full_lr", 1)

modparam("xlog", "buf_size", 8192)

modparam("auth_radius", "radius_config", "/opt/openser/etc/openser/radiusclient.conf")
modparam("auth", "rpid_prefix", "<sip:")
modparam("auth", "rpid_suffix", "@62.191.185.30>;screen=yes;privacy=off")
modparam("auth", "rpid_avp", "rpid")

modparam("registrar", "nat_flag", 6)

modparam("nathelper", "natping_interval", 30)
modparam("nathelper", "ping_nated_only", 1)
modparam("nathelper", "rtpproxy_sock", "unix:/opt/rtpproxy/sock/rtpproxy.sock")

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

# main routing logic


route{
	xlog("L_NOTICE", "REQUEST: $rm, $ru, $si\n");

	if (method != "REGISTER") {
		record_route();
	}

	if (method == "BYE" || method == "CANCEL") {
		unforce_rtp_proxy();
	}

	if (src_ip == "170.127.120.189") {
		xlog("L_NOTICE", "*** FOUND THAT PHONE\n");
		setflag(6);
		force_rport();
	}

	if (loose_route()) {
		xlog("L_NOTICE", "*** loose routing enforced\n");

		if (has_totag() && (method == "INVITE" || method == "ACK")) {
			if (nat_uac_test("3")) {
				xlog("L_NOTICE", "*** found NAT (1) !\n");
				setflag(6);
				force_rport();
				fix_nated_contact();
			}
			force_rtp_proxy("l");
		}
		route(1);
		return;
	}
		
	if (uri != myself) {
		xlog("L_NOTICE", "*** uri != myself\n");
		sl_send_reply("483", "will not handle this");
		return;
	}

	if (method == "CANCEL") {
		xlog("L_NOTICE", "*** cancel\n");
		route(1);
		return;
	} else if (method == "INVITE") {
		xlog("L_NOTICE", "*** invite\n");
		route(3);
		return;
	} else if (method == "REGISTER") {
		xlog("L_NOTICE", "*** register\n");
		route(2);
		return;
	}

	xlog("L_NOTICE", "*** at the end: $rm\n");
	route(1);
	return;
}

route[1] {
	t_on_reply("1");

	if (!t_relay()) {
		if (method == "INVITE" && isflagset(6)) {
			unforce_rtp_proxy();
		};
		sl_reply_error();
	}
}

route[2] {
	if (!search("^Contact: [ ]*\*") && nat_uac_test("3")) {
		xlog("L_NOTICE", "*** found NAT (2) !\n");
		if (nat_uac_test("1")) {
			xlog("L_NOTICE", "  --> 1\n");
		}
		if (nat_uac_test("2")) {
			xlog("L_NOTICE", "  --> 2\n");
		}
		setflag(6);
		fix_nated_register();
		force_rport();
	}

	if (! radius_www_authorize("uu.net")) {
		www_challenge("uu.net", "0");
		return;
	}

	consume_credentials();
	
	if (!save("location")) {
		sl_reply_error();
	}

	return;
}
	
route[3] {
	if (src_ip == "62.191.185.147") {
		xlog("L_NOTICE", "*** from upstream proxy\n");
		if (uri =~ "^sip:99") {
			xlog("L_NOTICE", "*** outbreak prefix from outside, reject\n");
			sl_send_reply("484", "no pstn outbreak for you");
			return;
		}
	} else {
		if (! radius_www_authorize("uu.net")) {
			www_challenge("uu.net", "0");
			return;
		};

		consume_credentials();

		if (nat_uac_test("3")) {
			xlog("L_NOTICE", "*** found NAT (3) !\n");
			setflag(6);
		}

		append_rpid_hf();

		if (uri=~"^sip:99") {
			xlog("L_NOTICE", "*** pstn outbreak call, uri: $ru\n");
			strip(2);
			xlog("L_NOTICE", "*** stripped uri: $ru\n");
			if (uri=~"^sip:[1-9]") {
				xlog("L_NOTICE", "*** local call\n");
				prefix("+49231");
			} else if (uri=~"^sip:0[1-9]") {
				xlog("L_NOTICE", "*** national call\n");
				strip(1);
				prefix("+49");
			} else if (uri=~"^sip:00[1-9]") {
				xlog("L_NOTICE", "*** international call\n");
				strip(2);
				prefix("+");
			} else {
				xlog("L_NOTICE", "*** something wrong\n");
				sl_send_reply("488", "wrong telephone number");
				return;
			}

			rewritehostport("62.191.185.147:5060");
			route(4);
			route(1);
			return;
		}
	}

	xlog("L_NOTICE", "*** looking up ...\n");
	if (!lookup("location")) {
		xlog("L_NOTICE", "  --> not found\n");
		sl_send_reply("404", "Not Found");
		return;
	}
	xlog("L_NOTICE", "  --> found\n");

	route(4);
	route(1);
	return;
}

route[4] {
	if (isflagset(6)) {
		xlog("L_NOTICE", "*** handle NAT (1)\n");
		force_rport();
		fix_nated_contact();
		force_rtp_proxy();
	}
	return;
}

onreply_route[1] {
	xlog("L_NOTICE", "*** onreply_route\n");
	if (isflagset(6) && status =~ "(180)|(183)|2[0-9][0-9]") {
		if (! search("^Content-Length:[ ]*0")) {
			xlog("L_NOTICE", "*** handle NAT (2)\n");
			force_rtp_proxy();
		}
	}

	if (nat_uac_test("1")) {
		fix_nated_contact();
		xlog("L_NOTICE", "*** handle NAT (3)\n");
	}
	
	return;
}