#
# OpenSIPS residential configuration script
#     by OpenSIPS Solutions <[email protected]>
#
# This script was generated via "make menuconfig", from
#   the "Residential" scenario.
# You can enable / disable more features / functionalities by
#   re-generating the scenario with different options.#
#
# Please refer to the Core CookBook at:
#      https://opensips.org/Resources/DocsCookbooks
# for a explanation of possible statements, functions and parameters.
#


####### Global Parameters #########

/* uncomment the following lines to enable debugging */
#debug_mode=yes

log_level=3
xlog_level=3
stderror_enabled=no
syslog_enabled=yes
syslog_facility=LOG_LOCAL0

udp_workers=4

/* uncomment the next line to enable the auto temporary blacklisting of
   not available destinations (default disabled) */
#disable_dns_blacklist=no

/* uncomment the next line to enable IPv6 lookup after IPv4 dns
   lookup failures (default disabled) */
#dns_try_ipv6=yes


socket=udp:192.168.3.102:42060 as 11.11.11.11:42060
socket=tcp:192.168.3.102:42060 as 11.11.11.11:42060
socket=tls:192.168.3.102:42061 as 11.11.11.11:42061

####### Modules Section ########

#set module path
mpath="/usr/lib/x86_64-linux-gnu/opensips/modules/"

#### SIGNALING module
loadmodule "signaling.so"

#### StateLess module
loadmodule "sl.so"

#### Transaction Module
loadmodule "tm.so"
modparam("tm", "fr_timeout", 5)
modparam("tm", "fr_inv_timeout", 30)
modparam("tm", "restart_fr_on_each_reply", 0)
modparam("tm", "onreply_avp_mode", 1)

#### Record Route Module
loadmodule "rr.so"
/* do not append from tag to the RR (no need for this script) */
modparam("rr", "append_fromtag", 0)

#### MAX ForWarD module
loadmodule "maxfwd.so"

#### SIP MSG OPerationS module
loadmodule "sipmsgops.so"

#### FIFO Management Interface
loadmodule "mi_fifo.so"
modparam("mi_fifo", "fifo_name", "/run/opensips/opensips_fifo")
modparam("mi_fifo", "fifo_mode", 0666)

#### USeR LOCation module
loadmodule "usrloc.so"
modparam("usrloc", "nat_bflag", "NAT")
modparam("usrloc", "working_mode_preset", "single-instance-no-db")

#### REGISTRAR module
loadmodule "registrar.so"
modparam("registrar", "tcp_persistent_flag", "TCP_PERSISTENT")
modparam("registrar", "received_avp", "$avp(received_nh)")/* uncomment the next line not to allow more than 10 contacts per AOR */
#modparam("registrar", "max_contacts", 10)

#### ACCounting module
loadmodule "acc.so"
/* what special events should be accounted ? */
modparam("acc", "early_media", 0)
modparam("acc", "report_cancels", 0)
/* by default we do not adjust the direct of the sequential requests.
   if you enable this parameter, be sure to enable "append_fromtag"
   in "rr" module */
modparam("acc", "detect_direction", 0)

####  NAT modules
loadmodule "nathelper.so"
modparam("nathelper", "natping_interval", 10)
modparam("nathelper", "ping_nated_only", 1)
modparam("nathelper", "sipping_bflag", "SIP_PING_FLAG")
modparam("nathelper", "sipping_from", "sip:[email protected]") #CUSTOMIZE ME
modparam("nathelper", "received_avp", "$avp(received_nh)")

#loadmodule "rtpproxy.so"
#modparam("rtpproxy", "rtpproxy_sock", "udp:localhost:12221") # CUSTOMIZE ME

loadmodule "proto_udp.so"
loadmodule "proto_tcp.so"
loadmodule "proto_tls.so"
loadmodule "tls_wolfssl.so"
loadmodule "tls_mgm.so"
modparam("tls_mgm","server_domain", "default")
modparam("tls_mgm","match_ip_address", "[default]*")
modparam("tls_mgm","verify_cert", "[default]0")
modparam("tls_mgm","require_cert", "[default]0")
modparam("tls_mgm","tls_method", "[default]SSLv23")
modparam("tls_mgm","certificate", "[default]/etc/opensips/tls/user/user-cert.pem")
modparam("tls_mgm","private_key", "[default]/etc/opensips/tls/user/user-privkey.pem")
modparam("tls_mgm","ca_list", "[default]/etc/opensips/tls/user/user-calist.pem")
modparam("tls_mgm","client_tls_domain_avp", "tls_match_dom")


####  STUN module
loadmodule "stun.so"
# Example of a STUN server within OpenSIPS which is behind NAT
modparam("stun", "primary_ip", "192.168.3.102 / 11.11.11.11")
modparam("stun", "primary_port", "42060")
modparam("stun", "alternate_ip", "192.168.3.102 / 11.11.11.11")
modparam("stun", "alternate_port","42060")

####### Routing Logic ########

# main request routing logic

route{

	# initial NAT handling; detect if the request comes from behind a NAT
	# and apply contact fixing
	force_rport();
#	if (nat_uac_test("diff-port-src-via,private-via,diff-ip-src-via,private-contact")) {
	if (nat_uac_test("diff-ip-src-via,private-contact")) {
		if (is_method("REGISTER")) {

		xlog("L_INFO","TEST POINT 0\n");
		xlog("L_INFO","SIP Request Original URI    = '$ou'\n");
		xlog("L_INFO","Source Port                 = '$sp'\n");
		xlog("L_INFO","Contact Instance            = '$ct'\n");
		xlog("L_INFO","Original request domain     = '$od'\n");
		xlog("L_INFO","Preffered identity domain   = '$pd'\n");
		xlog("L_INFO","Domain of destination       = '$dd'\n");
		xlog("L_INFO","Destination URI             = '$du'\n");
		xlog("L_INFO","Sip request port            = '$rp'\n");
		xlog("L_INFO","Sip request domain          = '$rd'\n");
		xlog("L_INFO","Sip request URI             = '$ru'\n");
		xlog("L_INFO","Sip request uri username    = '$rU'\n");
		xlog("L_INFO","Port of original request    = '$op'\n");
		xlog("L_INFO","Transport Protocol          = '$oP'\n");
		xlog("L_INFO","Transport Protocol          = '$rP'\n");
		xlog("L_INFO","Destination URI             = '$dP'\n");
		xlog("L_INFO","Destination Port            = '$dp'\n");
		xlog("L_INFO","From URI domain             = '$fd'\n");
		xlog("L_INFO","From header URI             = '$fu'\n");
		xlog("L_INFO","From header URI username    = '$fU'\n");
		xlog("L_INFO","Received avp                = '$avp(received_nh)'\n");
		xlog("L_INFO","ct fields received          = '$ct.fields(received)'\n");
		xlog("L_INFO","TEST POINT 1\n");
			fix_nated_register();
			setbflag("NAT");
		} else {
			xlog("L_INFO","TEST POINT 11\n");
			fix_nated_contact();
			setflag("NAT");

		}
	}

	if (!mf_process_maxfwd_header(10)) {
		xlog("L_INFO","TEST POINT 12\n");
		send_reply(483,"Too Many Hops");
		exit;
	}

	if (has_totag()) {
		xlog("L_INFO","TEST POINT 2\n");
		# handle hop-by-hop ACK (no routing required)
		if ( is_method("ACK") && t_check_trans() ) {
			xlog("L_INFO","TEST POINT 40\n");
			t_relay();
			exit;
		}

		# sequential request within a dialog should
		# take the path determined by record-routing
		if ( !loose_route() ) {
			xlog("L_INFO","TEST POINT 13\n");
			# we do record-routing for all our traffic, so we should not
			# receive any sequential requests without Route hdr.
			send_reply(404,"Not here");
			exit;
		}

		if (is_method("BYE")) {
			xlog("L_INFO","TEST POINT 14\n");
			# do accounting even if the transaction fails
			do_accounting("log","failed");
		}


		if (check_route_param("nat=yes"))       ######
			setflag("NAT");                 ######
		xlog("L_INFO","TEST POINT 3\n");
		# route it out to whatever destination was set by loose_route()
		# in $du (destination URI).
		route(relay);
		exit;
	}

	# CANCEL processing
	if (is_method("CANCEL")) {
		xlog("L_INFO","TEST POINT 15\n");
		if (t_check_trans())
			t_relay();
		exit;
	}

	# absorb retransmissions, but do not create transaction
	t_check_trans();

	if ( !(is_method("REGISTER")  ) ) {
		xlog("L_INFO","TEST POINT 4\n");

		if (is_myself("$fd")) {
		xlog("L_INFO","TEST POINT 16\n");
		} else {
			xlog("L_INFO","TEST POINT 17\n");
			# if caller is not local, then called number must be local
# AAA commented out testing this is preventing local calls on same network as opensips server - from here
# This is preventing any external remote outside local network calls from calling into the local network
#			if (!is_myself("$rd")) {
#				send_reply(403,"Relay Forbidden");
#				exit;
#			}
# AAA commented out testing this is preventing local calls on same network as opensips server - upto here
		}

	}

	# preloaded route checking
	if (loose_route()) {
		xlog("L_INFO","TEST POINT 18\n");
		xlog("L_ERR",
			"Attempt to route with preloaded Route's [$fu/$tu/$ru/$ci]");
		if (!is_method("ACK"))
			xlog("L_INFO","TEST POINT 19\n");
			send_reply(403,"Preload Route denied");
		exit;
	}

	# record routing
	if (!is_method("REGISTER|MESSAGE"))
		xlog("L_INFO","TEST POINT 20\n");
		record_route();

	# account only INVITEs
	if (is_method("INVITE")) {
		xlog("L_INFO","TEST POINT 21\n");
		do_accounting("log");
	}


	if (!is_myself("$rd")) {
		append_hf("P-hint: outbound\r\n");
		xlog("L_INFO","TEST POINT 22\n");
		# if you have some interdomain connections via TLS
		## CUSTOMIZE IF NEEDED
		##if ($rd=="tls_domain1.net"
		## || $rd=="tls_domain2.net"
		##) {
		##	force_send_socket("tls:127.0.0.1:5061"); # CUSTOMIZE
		##}

		route(relay);
	}

	# requests for my domain

	if (is_method("PUBLISH|SUBSCRIBE")) {
		xlog("L_INFO","TEST POINT 23\n");
		send_reply(503, "Service Unavailable");
		exit;
	}

	if (is_method("REGISTER")) {
	xlog("L_INFO","TEST POINT 5\n");
		if ($socket_in(proto) == "tcp" || $socket_in(proto) == "tls")
			xlog("L_INFO","TEST POINT 24\n");
			setflag("TCP_PERSISTENT");
		if (isflagset("NAT")) {                                ######
			xlog("L_INFO","TEST POINT 25\n");              ######
			setbflag("SIP_PING_FLAG");                     ######
		}                                                      ######
		# store the registration and generate a SIP reply
		if (!save("location"))
			xlog("failed to register AoR $tu\n");

		exit;
	}

	if ($rU==NULL) {
		xlog("L_INFO","TEST POINT 27\n");
		# request with no Username in RURI
		send_reply(484,"Address Incomplete");
		exit;
	}


	# do lookup with method filtering
	if (!lookup("location", "method-filtering")) {
		xlog("L_INFO","TEST POINT 28\n");

		t_reply(404, "Not Found");
		exit;
	}

	if (isbflagset("NAT")) setflag("NAT");          ######
	xlog("L_INFO","TEST POINT 29\n");
	xlog("L_INFO","b flag set\n");
	# when routing via usrloc, log the missed calls also
	do_accounting("log","missed");
	route(relay);
}


route[relay] {
	# for INVITEs enable some additional helper routes
	if (is_method("INVITE")) {
	xlog("L_INFO","TEST POINT 6\n");
		if (isflagset("NAT") && has_body("application/sdp")) {         ######
		xlog("L_INFO","TEST POINT 30\n");
#			rtpproxy_offer("ro");                                  ######
		}                                                              ######

		t_on_branch("per_branch_ops");
		t_on_reply("handle_nat");
		t_on_failure("missed_call");
	}

	if (isflagset("NAT")) {                                     ######
		xlog("L_INFO","TEST POINT 31\n");
		add_rr_param(";nat=yes");                           ######
	}                                                           ######

	if (!t_relay()) {
		xlog("L_INFO","TEST POINT 32\n");
		send_reply(500,"Internal Error");
	}
	exit;
}




branch_route[per_branch_ops] {
	xlog("L_INFO","TEST POINT 33\n");
	xlog("new branch at $ru\n");
}


onreply_route[handle_nat] {
	if (nat_uac_test("private-contact"))                              ######
		fix_nated_contact();                                      ######
		xlog("L_INFO","TEST POINT 7\n");                          ######
	if ( isflagset("NAT") && has_body("application/sdp") )            ######
#		rtpproxy_answer("ro");                                    ######
		xlog("L_INFO","TEST POINT 8\n");                          ######
	xlog("incoming reply\n");
}


failure_route[missed_call] {
	xlog("L_INFO","TEST POINT 34\n");
	if (t_was_cancelled()) {
		xlog("L_INFO","TEST POINT 35\n");
		exit;
	}

	# uncomment the following lines if you want to block client
	# redirect based on 3xx replies.
	##if (t_check_status("3[0-9][0-9]")) {
	##t_reply(404,"Not found");
	##	exit;
	##}


}