#
# $Id: openser.cfg,v 1.1.1.1 2005/06/13 16:47:30 bogdan_iancu Exp $
#
# simple quick-start config script
#

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

debug=7         # debug level (cmd line: -dddddddddd)
#fork=yes
#log_stderror=no	# (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"
listen=1.2.3.83:5060

log_facility=LOG_LOCAL4 # /var/log/openser.log

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

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

mpath="/usr/lib/openser/modules"
loadmodule "sl.so"
loadmodule "tm.so"
loadmodule "rr.so"
loadmodule "maxfwd.so"
loadmodule "usrloc.so"
loadmodule "registrar.so"
loadmodule "textops.so"
loadmodule "xlog.so"

loadmodule "postgres.so"
loadmodule "domain.so"
loadmodule "alias_db.so"

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

loadmodule "avpops.so"

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

# database configuration
modparam("usrloc",                 "db_url", "postgres://openser:xxxxxx@localhost/openser")
modparam("domain|uri_db|alias_db", "db_url", "postgres://openserro:xxxxxxx@localhost/openser")

# radius configuration
modparam("auth_radius", "radius_config", "/etc/openser/radiusclient.conf")

# multi domain configuration
modparam("domain", "db_mode", 1)   # Use caching in domain module
modparam("alias_db|usrloc|registrar", "use_domain", 1) # group, group_radius, speeddial, uri_db, avpops

# -- usrloc params --
modparam("usrloc", "db_mode", 1)  # 0=no DB, 1 = write through, 2=caching

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

# AVPs
# I:101 = cbcprefix
#   call by call provider prefix
# I:102 = ruser
#   userpart in request uri
# I:103 = rdomain
#   domainpart in request uri
# I:104 = dummy1
# I:105 = dummy2
#
modparam("avpops","avp_aliases","cbcprefix=I:101;ruser=I:102;rdomain=I:103;dummy1=I:104;dummy2=I:105")

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

# main routing logic

route{

	xlog("L_WARN","[$Tf] $rm $ru ($fu --> $tu)");
	#xlog("L_WARN","reference to message buffer: $mb");

	xlog("L_WARN","playing around with avps...");
	avp_write("$ruri/username","$ruser");
	avp_write("$ruri/domain","$rdomain");

	# initial sanity checks -- messages with
	# max_forwards==0, or excessively long requests
	if (!mf_process_maxfwd_header("10")) {
		xlog("L_WARN","too many hops, reply with 483 ...");
		sl_send_reply("483","Too Many Hops");
		exit;
	};
	if (msg:len >=  2048 ) {
		xlog("L_WARN","message too big, reply with 513 ...");
		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 (!is_method("REGISTER")) {
		record_route();
	}



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

	if (!is_method("REGISTER|CANCEL|ACK|BYE|OPTIONS|INFO")) {
		if (is_from_local()) {
			xlog("L_WARN","checking authentication ...");
			# digest authentication
			if (!radius_proxy_authorize("")) {
				xlog("L_WARN","wrong or no credentials - challenging client ...");
				proxy_challenge("", "0");
				exit;
			};
			xlog("L_WARN","start avp_print()--------");
			avp_print();
			xlog("L_WARN","stop avp_print()---------");

			consume_credentials();

			xlog("L_WARN","username/password correct ...");
			log(1,"adding rpid header ...");
			append_rpid_hf();

		}
	}

	if (!is_uri_host_local()) {
		log(1,"outbound request ...");
		# mark routing logic in request
		append_hf("P-hint: outbound\r\n"); 
		route(1);
		exit;
	};

	# 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 (is_uri_host_local()) {

		if (is_method("REGISTER")) {
		
			if (is_from_local()) {
				log(1,"processing REGISTER ...");

				xlog("L_WARN","checking REGISTER authentication ...");
				# digest authentication
				if (!radius_www_authorize("")) {
					xlog("L_WARN","wrong or no credentials in REGISTER - challenging client ...");
					www_challenge("", "0");
					exit;
				};

				xlog("L_WARN","start avp_print() of REGISTER--------");
				avp_print();
				xlog("L_WARN","stop avp_print() of REGISTER---------");
				consume_credentials();

				xlog("L_WARN","username/password correct in REGISTER, saving location ...");
				save("location");
				exit;
			} else {
				xlog("L_WARN","REGISTER for unknown domain received, reply with 403 ...");
				sl_send_reply("403","Use your own proxy");
				exit;
			}
		};

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

		# native SIP destinations are handled using our USRLOC DB
		if (!lookup("location")) {
			# send to at43 main proxy
			xlog("L_WARN","user not found, forwarding to  main proxy ...");
			t_relay_to_udp("1.2.3.160", "5060");
			#sl_send_reply("404", "Not Found");
			exit;
		};
	};
	append_hf("P-hint: usrloc applied\r\n"); 
	route(1);
}

route[1] 
{
	xlog("L_WARN","route[1] entered ...");
	# send it out now; use stateful forwarding as it works reliably
	# even for UDP2TCP
	xlog("L_WARN","t_relay the request ...");
	if (!t_relay()) {
		sl_reply_error();
	};
	xlog("L_WARN","... leaving route[1]");
}