[SR-Users] Stop msrp relay from kamailio to freeswitch

Safdar Khan safdarkhan.khan at gmail.com
Wed Nov 18 15:49:25 CET 2015


Hi folks
I have integrated kamailio and freeswitch. The basic register and
authentication is happening through kamailio and other media services
through freeswitch like file sharing (using msrp).

My question is how can I stop file sharing through msrp via freeswitch
since everything going from kamailio to freeswitch to client.

I just wanted to share file only through kamailio.

I am attaching my cfg file below...


#!KAMAILIO
#!define WITH_MYSQL
#!define WITH_AUTH
#!define WITH_USRLOCDB
#!define WITH_FREESWITCH
#!define WITH_PRESENCE
#!define WITH_TLS
#!define WITH_MSRP
#!define WITH_XHTTP
#!define WITH_MSILO
#!define WITH_NAT

#!substdef "!MY_IP_ADDR!192.168.5.99!g"
#!substdef "!MY_DOMAIN!<SERVER_IP>!g"
#!substdef "!MY_WS_PORT!9080!g"
#!substdef "!MY_WSS_PORT!4443!g"
#!substdef "!MY_WS_ADDR!tcp:MY_IP_ADDR:MY_WS_PORT!g"
#!substdef "!MY_WSS_ADDR!tls:MY_IP_ADDR:MY_WSS_PORT!g"

#!define WITH_WEBSOCKETS

# Kamailio (OpenSER) SIP Server v4.3 - default configuration script
#     - web: http://www.kamailio.org
#     - git: http://sip-router.org
#
# Direct your questions about this file to: <sr-users at lists.sip-router.org>
#
# Refer to the Core CookBook at http://www.kamailio.org/wiki/
# for an explanation of possible statements, functions and parameters.
#
# Several features can be enabled using '#!define WITH_FEATURE' directives:
#
# *** To run in debug mode:
#     - define WITH_DEBUG
#
# *** To enable mysql:
#     - define WITH_MYSQL
#
# *** To enable authentication execute:
#     - enable mysql
#     - define WITH_AUTH
#     - add users using 'kamctl'
#
# *** To enable IP authentication execute:
#     - enable mysql
#     - enable authentication
#     - define WITH_IPAUTH
#     - add IP addresses with group id '1' to 'address' table
#
# *** To enable persistent user location execute:
#     - enable mysql
#     - define WITH_USRLOCDB
#
# *** To enable presence server execute:
#     - enable mysql
#     - define WITH_PRESENCE
#
# *** To enable nat traversal execute:
#     - define WITH_NAT
#     - install RTPProxy: http://www.rtpproxy.org
#     - start RTPProxy:
#        rtpproxy -l _your_public_ip_ -s udp:localhost:7722
#     - option for NAT SIP OPTIONS keepalives: WITH_NATSIPPING
#
# *** To enable PSTN gateway routing execute:
#     - define WITH_PSTN
#     - set the value of pstn.gw_ip
#     - check route[PSTN] for regexp routing condition
#
# *** To enable database aliases lookup execute:
#     - enable mysql
#     - define WITH_ALIASDB
#
# *** To enable speed dial lookup execute:
#     - enable mysql
#     - define WITH_SPEEDDIAL
#
# *** To enable multi-domain support execute:
#     - enable mysql
#     - define WITH_MULTIDOMAIN
#
# *** To enable TLS support execute:
#     - adjust CFGDIR/tls.cfg as needed
#     - define WITH_TLS
#
# *** To enable XMLRPC support execute:
#     - define WITH_XMLRPC
#     - adjust route[XMLRPC] for access policy
#
# *** To enable anti-flood detection execute:
#     - adjust pike and htable=>ipban settings as needed (default is
#       block if more than 16 requests in 2 seconds and ban for 300 seconds)
#     - define WITH_ANTIFLOOD
#
# *** To block 3XX redirect replies execute:
#     - define WITH_BLOCK3XX
#
# *** To enable VoiceMail routing execute:
#     - define WITH_VOICEMAIL
#     - set the value of voicemail.srv_ip
#     - adjust the value of voicemail.srv_port
#
# *** To enhance accounting execute:
#     - enable mysql
#     - define WITH_ACCDB
#     - add following columns to database
#!ifdef ACCDB_COMMENT
  ALTER TABLE acc ADD COLUMN src_user VARCHAR(64) NOT NULL DEFAULT '';
  ALTER TABLE acc ADD COLUMN src_domain VARCHAR(128) NOT NULL DEFAULT '';
  ALTER TABLE acc ADD COLUMN src_ip varchar(64) NOT NULL default '';
  ALTER TABLE acc ADD COLUMN dst_ouser VARCHAR(64) NOT NULL DEFAULT '';
  ALTER TABLE acc ADD COLUMN dst_user VARCHAR(64) NOT NULL DEFAULT '';
  ALTER TABLE acc ADD COLUMN dst_domain VARCHAR(128) NOT NULL DEFAULT '';
  ALTER TABLE missed_calls ADD COLUMN src_user VARCHAR(64) NOT NULL DEFAULT '';
  ALTER TABLE missed_calls ADD COLUMN src_domain VARCHAR(128) NOT NULL
DEFAULT '';
  ALTER TABLE missed_calls ADD COLUMN src_ip varchar(64) NOT NULL default '';
  ALTER TABLE missed_calls ADD COLUMN dst_ouser VARCHAR(64) NOT NULL DEFAULT '';
  ALTER TABLE missed_calls ADD COLUMN dst_user VARCHAR(64) NOT NULL DEFAULT '';
  ALTER TABLE missed_calls ADD COLUMN dst_domain VARCHAR(128) NOT NULL
DEFAULT '';
#!endif

####### Include Local Config If Exists #########
import_file "kamailio-local.cfg"

####### Defined Values #########

# *** Value defines - IDs used later in config
#!ifdef WITH_MYSQL
# - database URL - used to connect to database server by modules such
#       as: auth_db, acc, usrloc, a.s.o.
#!ifndef DBURL
#!define DBURL "mysql://kamailio:kamailiorw@localhost/kamailio"
#!endif
#!endif
#!ifdef WITH_MULTIDOMAIN
# - the value for 'use_domain' parameters
#!define MULTIDOMAIN 1
#!else
#!define MULTIDOMAIN 0
#!endif

# - flags
#   FLT_ - per transaction (message) flags
#	FLB_ - per branch flags
#!define FLT_ACC 1
#!define FLT_ACCMISSED 2
#!define FLT_ACCFAILED 3
#!define FLT_NATS 5

#!define FLB_NATB 6
#!define FLB_NATSIPPING 7

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

### LOG Levels: 3=DBG, 2=INFO, 1=NOTICE, 0=WARN, -1=ERR
#!ifdef WITH_DEBUG
debug=4
log_stderror=yes
#!else
debug=2
log_stderror=no
#!endif

memdbg=5
memlog=5

log_facility=LOG_LOCAL0

fork=yes
children=4

/* uncomment the next line to disable TCP (default on) */
#disable_tcp=yes

/* uncomment the next line to disable the auto discovery of local aliases
   based on reverse DNS on IPs (default on) */
#auto_aliases=no

/* add local domain aliases */
#alias="sip.mydomain.com"

/* uncomment and configure the following line if you want Kamailio to
   bind on a specific interface/port/proto (default bind on all available) */
#listen=udp:127.0.0.1:5060

/* port to listen to
 * - can be specified more than once if needed to listen on many ports */
port=5060

#!ifdef WITH_TLS
enable_tls=yes
#!endif

# life time of TCP connection when there is no traffic
# - a bit higher than registration expires to cope with UA behind NAT

listen=MY_IP_ADDR
#!ifdef WITH_WEBSOCKETS
listen=MY_WS_ADDR
#!ifdef WITH_TLS
listen=MY_WSS_ADDR
#!endif
#!endif

tcp_connection_lifetime=3604
tcp_accept_no_cl=yes
tcp_rd_buf_size=16384


####### Custom Parameters #########

# These parameters can be modified runtime via RPC interface
# - see the documentation of 'cfg_rpc' module.
#
# Format: group.id = value 'desc' description
# Access: $sel(cfg_get.group.id) or @cfg_get.group.id
#

#!ifdef WITH_PSTN
# PSTN GW Routing
#
# - pstn.gw_ip: valid IP or hostname as string value, example:
# pstn.gw_ip = "10.0.0.101" desc "My PSTN GW Address"
#
# - by default is empty to avoid misrouting
pstn.gw_ip = "" desc "PSTN GW Address"
pstn.gw_port = "" desc "PSTN GW Port"
#!endif

#!ifdef WITH_VOICEMAIL
# VoiceMail Routing on offline, busy or no answer
#
# - by default Voicemail server IP is empty to avoid misrouting
voicemail.srv_ip = "" desc "VoiceMail IP Address"
voicemail.srv_port = "5060" desc "VoiceMail Port"
#!endif

#!ifdef WITH_FREESWITCH
freeswitch.bindip = "192.168.5.99" desc "FreeSWITCH IP Address"
freeswitch.bindport = "5090" desc "FreeSWITCH Port"
#!endif
####### Modules Section ########

# set paths to location of modules (to sources or installation folders)
#!ifdef WITH_SRCPATH
mpath="modules/"
#!else
mpath="/usr/local/kamailio-4.3/lib64/kamailio/modules/"
#!endif

#!ifdef WITH_MYSQL
loadmodule "db_mysql.so"
#!endif

loadmodule "mi_fifo.so"
loadmodule "kex.so"
loadmodule "corex.so"
loadmodule "tm.so"
loadmodule "tmx.so"
loadmodule "sl.so"
loadmodule "rr.so"
loadmodule "pv.so"
loadmodule "maxfwd.so"
loadmodule "usrloc.so"
loadmodule "registrar.so"
loadmodule "textops.so"
loadmodule "siputils.so"
loadmodule "xlog.so"
loadmodule "sanity.so"
loadmodule "ctl.so"
loadmodule "cfg_rpc.so"
loadmodule "mi_rpc.so"
loadmodule "acc.so"


#!ifdef WITH_AUTH
loadmodule "auth.so"
loadmodule "auth_db.so"
#!ifdef WITH_IPAUTH
loadmodule "permissions.so"
#!endif
#!endif

#!ifdef WITH_ALIASDB
loadmodule "alias_db.so"
#!endif

#!ifdef WITH_SPEEDDIAL
loadmodule "speeddial.so"
#!endif

#!ifdef WITH_MULTIDOMAIN
loadmodule "domain.so"
#!endif

#!ifdef WITH_PRESENCE
loadmodule "presence.so"
loadmodule "presence_xml.so"
#!endif

#!ifdef WITH_NAT
loadmodule "nathelper.so"
loadmodule "rtpproxy.so"
#!endif

#!ifdef WITH_TLS
loadmodule "tls.so"
#!endif

#!ifdef WITH_ANTIFLOOD
loadmodule "htable.so"
loadmodule "pike.so"
#!endif

#!ifdef WITH_XMLRPC
loadmodule "xmlrpc.so"
#!endif

#!ifdef WITH_DEBUG
loadmodule "debugger.so"
#!endif

#!ifdef WITH_MSRP
loadmodule "msrp.so"
#!endif

loadmodule "rtimer.so"
loadmodule "sqlops.so"
loadmodule "cfgutils.so"

#!ifdef WITH_WEBSOCKETS
loadmodule "xhttp.so"
loadmodule "websocket.so"
##loadmodule "nathelper.so"
#!endif

#!ifdef WITH_MSILO
loadmodule "msilo.so"
#!endif

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


# ----- mi_fifo params -----
modparam("mi_fifo", "fifo_name", "/tmp/kamailio_fifo")


# ----- tm params -----
# auto-discard branches from previous serial forking leg
modparam("tm", "failure_reply_mode", 3)
# default retransmission timeout: 30sec
modparam("tm", "fr_timer", 30000)
# default invite retransmission timeout after 1xx: 120sec
modparam("tm", "fr_inv_timer", 120000)


# ----- rr params -----
# set next param to 1 to add value to ;lr param (helps with some UAs)
modparam("rr", "enable_full_lr", 1)
# do not append from tag to the RR (no need for this script)
modparam("rr", "append_fromtag", 0)


# ----- registrar params -----
modparam("registrar", "method_filtering", 1)
/* uncomment the next line to disable parallel forking via location */
# modparam("registrar", "append_branches", 0)
/* uncomment the next line not to allow more than 10 contacts per AOR */
#modparam("registrar", "max_contacts", 10)
# max value for expires of registrations
modparam("registrar", "max_expires", 3600)
# set it to 1 to enable GRUU
modparam("registrar", "gruu_enabled", 0)


# ----- acc params -----
/* what special events should be accounted ? */
modparam("acc", "early_media", 0)
modparam("acc", "report_ack", 0)
modparam("acc", "report_cancels", 0)
/* by default ww do not adjust the direct of the sequential requests.
   if you enable this parameter, be sure the enable "append_fromtag"
   in "rr" module */
modparam("acc", "detect_direction", 0)
/* account triggers (flags) */
modparam("acc", "log_flag", FLT_ACC)
modparam("acc", "log_missed_flag", FLT_ACCMISSED)
modparam("acc", "log_extra",
	"src_user=$fU;src_domain=$fd;src_ip=$si;"
	"dst_ouser=$tU;dst_user=$rU;dst_domain=$rd")
modparam("acc", "failed_transaction_flag", FLT_ACCFAILED)
/* enhanced DB accounting */
#!ifdef WITH_ACCDB
modparam("acc", "db_flag", FLT_ACC)
modparam("acc", "db_missed_flag", FLT_ACCMISSED)
modparam("acc", "db_url", DBURL)
modparam("acc", "db_extra",
	"src_user=$fU;src_domain=$fd;src_ip=$si;"
	"dst_ouser=$tU;dst_user=$rU;dst_domain=$rd")
#!endif


# ----- usrloc params -----
/* enable DB persistency for location entries */
#!ifdef WITH_USRLOCDB
modparam("usrloc", "db_url", DBURL)
modparam("usrloc", "db_mode", 2)
modparam("usrloc", "use_domain", MULTIDOMAIN)
#!endif


# ----- auth_db params -----
#!ifdef WITH_AUTH
modparam("auth_db", "db_url", DBURL)
modparam("auth_db", "calculate_ha1", yes)
modparam("auth_db", "password_column", "password")
modparam("auth_db", "load_credentials", "")
modparam("auth_db", "use_domain", MULTIDOMAIN)

# ----- permissions params -----
#!ifdef WITH_IPAUTH
modparam("permissions", "db_url", DBURL)
modparam("permissions", "db_mode", 1)
#!endif

#!endif


# ----- alias_db params -----
#!ifdef WITH_ALIASDB
modparam("alias_db", "db_url", DBURL)
modparam("alias_db", "use_domain", MULTIDOMAIN)
#!endif


# ----- speeddial params -----
#!ifdef WITH_SPEEDDIAL
modparam("speeddial", "db_url", DBURL)
modparam("speeddial", "use_domain", MULTIDOMAIN)
#!endif


# ----- domain params -----
#!ifdef WITH_MULTIDOMAIN
modparam("domain", "db_url", DBURL)
# register callback to match myself condition with domains list
modparam("domain", "register_myself", 1)
#!endif


#!ifdef WITH_PRESENCE
# ----- presence params -----
modparam("presence", "db_url", DBURL)

# ----- presence_xml params -----
modparam("presence_xml", "db_url", DBURL)
modparam("presence_xml", "force_active", 1)
#!endif


#!ifdef WITH_NAT
# ----- rtpproxy params -----
#modparam("rtpproxy", "rtpproxy_sock", "udp:192.168.5.99:5060")

# ----- nathelper params -----
modparam("nathelper", "natping_interval", 30)
modparam("nathelper", "ping_nated_only", 1)
modparam("nathelper", "sipping_bflag", FLB_NATSIPPING)
modparam("nathelper", "sipping_from", "NULL")

# params needed for NAT traversal in other modules
modparam("nathelper|registrar", "received_avp", "$avp(RECEIVED)")
modparam("usrloc", "nat_bflag", FLB_NATB)
#!endif


#!ifdef WITH_TLS
# ----- tls params -----
modparam("tls", "config", "/usr/local/kamailio-4.3/etc/kamailio/tls.cfg")
modparam("tls", "private_key",
"/usr/local/kamailio-4.3/etc/kamailio/privkey.pem")
modparam("tls", "certificate",
"/usr/local/kamailio-4.3/etc/kamailio/kamailio1_cert.pem")
modparam("tls", "ca_list", "/usr/local/kamailio-4.3/etc/kamailio/calist.pem")
modparam("tls", "verify_certificate", 1)
modparam("tls", "require_certificate", 1)
modparam("tls", "crl", "/usr/local/kamailio-4.3/etc/kamailio/my_crl.pem")
#!endif


#!ifdef WITH_ANTIFLOOD
# ----- pike params -----
modparam("pike", "sampling_time_unit", 2)
modparam("pike", "reqs_density_per_unit", 16)
modparam("pike", "remove_latency", 4)


#!substdef "!MSRP_MIN_EXPIRES!1800!g"
#!substdef "!MSRP_MAX_EXPIRES!3600!g"

# ----- htable params -----
# ip ban htable with autoexpire after 5 minutes
modparam("htable", "htable", "ipban=>size=8;autoexpire=300;")
modparam("htable", "htable", "msrp=>size=8;autoexpire=MSRP_MAX_EXPIRES;")
#!endif

#!ifdef WITH_XMLRPC
# ----- xmlrpc params -----
modparam("xmlrpc", "route", "XMLRPC");
modparam("xmlrpc", "url_match", "^/RPC")
#!endif

#!ifdef WITH_DEBUG
# ----- debugger params -----
modparam("debugger", "cfgtrace", 1)
modparam("debugger", "log_level_name", "exec")
#!endif

#!ifdef WITH_MSRP
# ----- msrp params -----
modparam("msrp", "sipmsg", 1)
modparam("msrp", "cmap_size", 8)
modparam("msrp", "use_path_addr", "msrp://192.168.5.99:5060")
#!endif


modparam("rtimer", "timer", "name=tst;interval=300;mode=1;")
modparam("rtimer", "exec", "timer=tst;route=8")
modparam("sqlops","sqlcon","ca=>mysql://kamailio:kamailiorw@localhost/kamailio")


#!ifdef WITH_AUTH
# ----- auth params -----
#modparam("auth", "nonce_count", 1)
#modparam("auth", "qop", "")
#!endif

#!ifdef WITH_WEBSOCKETS
# ----- nathelper params -----
modparam("nathelper|registrar", "received_avp", "$avp(RECEIVED)")
# Note: leaving NAT pings turned off here as nathelper is _only_ being used for
#       WebSocket connections.  NAT pings are not needed as WebSockets have
#       their own keep-alives.
#!endif

#!ifdef WITH_MSILO
# ------ msilo params ------
modparam("msilo","db_url",DBURL)
modparam("msilo","from_address","sip:registrar at 192.68.5.98")
modparam("msilo","contact_hdr","Contact: <sip:registrar at 192.168.5.99>\r\n")
modparam("msilo","content_type_hdr","Content-Type: text/plain\r\n")
modparam("msilo","offline_message","")
modparam("msilo", "check_time", 200000)
modparam("msilo", "expire_time", 259200)
#!endif

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


# Main SIP request routing logic
# - processing of any incoming SIP request starts with this route
# - note: this is the same as route { ... }
request_route {

	# per request initial checks
	route(REQINIT);


#!ifdef WITH_WEBSOCKETS
if (nat_uac_test(64)) {
  # Do NAT traversal stuff for requests from a WebSocket
  # connection - even if it is not behind a NAT!
  # This won't be needed in the future if Kamailio and the
  # WebSocket client support Outbound and Path.
  force_rport();
  if (is_method("REGISTER")) {
   fix_nated_register();
  } else {
   fix_nated_contact();
   if (!add_contact_alias()) {
    xlog("L_ERR", "Error aliasing contact <$ct>\n");
    sl_send_reply("400", "Bad Request");
    exit;
   }
  }
}
#!endif


	# NAT detection
	route(NATDETECT);

	# CANCEL processing
	if (is_method("CANCEL")) {
		if (t_check_trans()) {
			route(RELAY);
		}
		exit;
	}

	# handle requests within SIP dialogs
	route(WITHINDLG);

	### only initial requests (no To tag)

	# handle retransmissions
	if(t_precheck_trans()) {
		t_check_trans();
		exit;
	}
	t_check_trans();

	# authentication
	route(AUTH);

	# record routing for dialog forming requests (in case they are routed)
	# - remove preloaded route headers
	remove_hf("Route");
	if (is_method("INVITE|SUBSCRIBE"))
		record_route();

	# account only INVITEs
	if (is_method("INVITE")) {
		setflag(FLT_ACC); # do accounting
	}

	# dispatch requests to foreign domains
	route(SIPOUT);

	### requests for my local domains

	# handle presence related requests
	route(PRESENCE);

	# handle registrations
	route(REGISTRAR);

	if ($rU==$null) {
		# request with no Username in RURI
		sl_send_reply("484","Address Incomplete");
		exit;
	}

	# dispatch destinations to PSTN
	route(PSTN);
 	
	#!ifdef WITH_FREESWITCH
	# save callee ID
	$avp(callee) = $rU;
	route(FSDISPATCH);
	#!endif

	# user location service
	route(LOCATION);

	route(RELAY);
	
}

# Wrapper for relaying requests
route[RELAY] {

	# enable additional event routes for forwarded requests
	# - serial forking, RTP relaying handling, a.s.o.
	if (is_method("INVITE|SUBSCRIBE")) {
    t_on_branch("MANAGE_BRANCH");
  t_on_reply("MANAGE_REPLY");
 }
 if (is_method("INVITE")) {

           t_on_failure("MANAGE_FAILURE_MESSAGE");
 }

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

# Per SIP request initial checks
route[REQINIT] {
#!ifdef WITH_ANTIFLOOD
	# flood dection from same IP and traffic ban for a while
	# be sure you exclude checking trusted peers, such as pstn gateways
	# - local host excluded (e.g., loop to self)
	if(src_ip!=myself) {
		if($sht(ipban=>$si)!=$null) {
			# ip is already blocked
			xdbg("request from blocked IP - $rm from $fu (IP:$si:$sp)\n");
			exit;
		}
		if (!pike_check_req()) {
			xlog("L_ALERT","ALERT: pike blocking $rm from $fu (IP:$si:$sp)\n");
			$sht(ipban=>$si) = 1;
			exit;
		}
	}
	if($ua =~ "friendly-scanner") {
		sl_send_reply("200", "OK");
		exit;
	}
#!endif

	if (!mf_process_maxfwd_header("10")) {
		sl_send_reply("483","Too Many Hops");
		exit;
	}

	if(is_method("OPTIONS") && uri==myself && $rU==$null) {
		sl_send_reply("200","Keepalive");
		exit;
	}

	if(!sanity_check("1511", "7")) {
		xlog("Malformed SIP message from $si:$sp\n");
		exit;
	}
}

# Handle requests within SIP dialogs
route[WITHINDLG] {
	if (has_totag()) {

	# sequential request withing a dialog should
	# take the path determined by record-routing
	if (loose_route()) {
#!ifdef WITH_WEBSOCKETS
			if ($du == "") {
				if (!handle_ruri_alias()) {
					xlog("L_ERR", "Bad alias <$ru>\n");
					sl_send_reply("400", "Bad Request");
					exit;
				}
			}
#!endif
		route(DLGURI);
		if (is_method("BYE")) {
			setflag(FLT_ACC); # do accounting ...
			setflag(FLT_ACCFAILED); # ... even if the transaction fails
		}
		else if ( is_method("ACK") ) {
			# ACK is forwarded statelessy
			route(NATMANAGE);
		}
		else if ( is_method("NOTIFY") ) {
			# Add Record-Route for in-dialog NOTIFY as per RFC 6665.
			record_route();
		}
		route(RELAY);
		exit;
	}

	if (is_method("SUBSCRIBE") && uri == myself) {
		# in-dialog subscribe requests
		route(PRESENCE);
		exit;
	}
	if ( is_method("ACK") ) {
		if ( t_check_trans() ) {
			# no loose-route, but stateful ACK;
			# must be an ACK after a 487
			# or e.g. 404 from upstream server
			route(RELAY);
			exit;
		} else {
			# ACK without matching transaction ... ignore and discard
			exit;
		}
	}
	sl_send_reply("404","Not here");
	exit;
  }
}


# Handle SIP registrations
route[REGISTRAR] {
 if (is_method("REGISTER"))
 {
  if(isflagset(FLT_NATS))
  {
   setbflag(FLB_NATB);
   # uncomment next line to do SIP NAT pinging
   ## setbflag(FLB_NATSIPPING);
  }
  if (!save("location"))
   sl_reply_error();

  ## #!ifdef WITH_MSILO
  ###   m_dump();
  ### #!endif

  exit;
 }
}

# USER location service
route[LOCATION] {

 xlog("going inside LOCATION\n");
#!ifdef WITH_SPEEDIAL
 # search for short dialing - 2-digit extension
 if($rU=~"^[0-9][0-9]$")
  if(sd_lookup("speed_dial"))
   route(SIPOUT);
#!endif

#!ifdef WITH_ALIASDB
 # search in DB-based aliases
 if(alias_db_lookup("dbaliases"))
  route(SIPOUT);
#!endif

#!ifdef WITH_MSILO
 xlog("going inside ifdefMSILO\n");
#if(is_method("MESSAGE"))
#  {
  xlog("going inside MSILO\n");
        route(MSILO);
#     exit;
 #}
#!endif

	$avp(oexten) = $rU;
	if (!lookup("location")) {
		$var(rc) = $rc;
		route(TOVOICEMAIL);
		t_newtran();
		switch ($var(rc)) {
			case -1:
			case -3:
				send_reply("404", "Not Found");
				exit;
			case -2:
				send_reply("405", "Method Not Allowed");
				exit;
		}
	}

	# when routing via usrloc, log the missed calls also
	if (is_method("INVITE")) {
		setflag(FLT_ACCMISSED);
	}

	route(RELAY);
	exit;
}

# Presence server processing
route[PRESENCE] {
	if(!is_method("PUBLISH|SUBSCRIBE"))
		return;

	if(is_method("SUBSCRIBE") && $hdr(Event)=="message-summary") {
		route(TOVOICEMAIL);
		# returns here if no voicemail server is configured
		sl_send_reply("404", "No voicemail service");
		exit;
	}

#!ifdef WITH_PRESENCE
	if (!t_newtran()) {
		sl_reply_error();
		exit;
	}

	if(is_method("PUBLISH")) {
		handle_publish();
		t_release();
	} else if(is_method("SUBSCRIBE")) {
		handle_subscribe();
		t_release();
	}
	exit;
#!endif
	
	# if presence enabled, this part will not be executed
	if (is_method("PUBLISH") || $rU==$null) {
		sl_send_reply("404", "Not here");
		exit;
	}
	return;
}

# Authentication route
route[AUTH] {
#!ifdef WITH_AUTH

#!ifdef WITH_IPAUTH
 if((!is_method("REGISTER")) && allow_source_address())
 {
  # source IP allowed
  return;
 }
#!endif

#!ifdef WITH_MSILO
if(is_method("MESSAGE")){

 return;
}

#!ifdef WITH_FREESWITCH
	if(route(FSINBOUND))
		return;
#!endif




	if (is_method("REGISTER") || from_uri==myself)
	{
		# authenticate requests
		if (!auth_check("$fd", "subscriber", "1")) {
			auth_challenge("$fd", "0");
			exit;
		}
		# user authenticated - remove auth header
		if(!is_method("REGISTER|PUBLISH"))
			consume_credentials();
	}
	# if caller is not local subscriber, then check if it calls
	# a local destination, otherwise deny, not an open relay here
	if (from_uri!=myself && uri!=myself) {
		sl_send_reply("403","Not relaying");
		exit;
	}

#!endif
	return;
}

# Caller NAT detection
route[NATDETECT] {
#!ifdef WITH_NAT
	force_rport();
	if (nat_uac_test("19")) {
		if (is_method("REGISTER")) {
			fix_nated_register();
		} else {
			if(is_first_hop())
				set_contact_alias();
		}
		setflag(FLT_NATS);
	}
#!endif
	return;
}

# RTPProxy control and singaling updates for NAT traversal
route[NATMANAGE] {
#!ifdef WITH_NAT
	if (is_request()) {
		if(has_totag()) {
			if(check_route_param("nat=yes")) {
				setbflag(FLB_NATB);
			}
		}
	}
	if (!(isflagset(FLT_NATS) || isbflagset(FLB_NATB)))
		return;

	rtpproxy_manage("co");

	if (is_request()) {
		if (!has_totag()) {
			if(t_is_branch_route()) {
				add_rr_param(";nat=yes");
			}
		}
	}
	if (is_reply()) {
		if(isbflagset(FLB_NATB)) {
			if(is_first_hop())
				set_contact_alias();
		}
	}
#!endif
	return;
}

# URI update for dialog requests
route[DLGURI] {
#!ifdef WITH_NAT
	if(!isdsturiset()) {
		handle_ruri_alias();
	}
#!endif
	return;
}

# Routing to foreign domains
route[SIPOUT] {
	if (uri==myself) return;

	append_hf("P-hint: outbound\r\n");
	route(RELAY);
	exit;
}

# PSTN GW routing
route[PSTN] {
#!ifdef WITH_PSTN
	# check if PSTN GW IP is defined
	if (strempty($sel(cfg_get.pstn.gw_ip))) {
		xlog("SCRIPT: PSTN rotuing enabled but pstn.gw_ip not defined\n");
		return;
	}

	# route to PSTN dialed numbers starting with '+' or '00'
	#     (international format)
	# - update the condition to match your dialing rules for PSTN routing
	if(!($rU=~"^(\+|00)[1-9][0-9]{3,20}$"))
		return;

	# only local users allowed to call
	if(from_uri!=myself) {
		sl_send_reply("403", "Not Allowed");
		exit;
	}

	if (strempty($sel(cfg_get.pstn.gw_port))) {
		$ru = "sip:" + $rU + "@" + $sel(cfg_get.pstn.gw_ip);
	} else {
		$ru = "sip:" + $rU + "@" + $sel(cfg_get.pstn.gw_ip) + ":"
					+ $sel(cfg_get.pstn.gw_port);
	}

	route(RELAY);
	exit;
#!endif

	return;
}

# XMLRPC routing
#!ifdef WITH_XMLRPC
route[XMLRPC] {
	# allow XMLRPC from localhost
	if ((method=="POST" || method=="GET")
			&& (src_ip==127.0.0.1)) {
		# close connection only for xmlrpclib user agents (there is a bug in
		# xmlrpclib: it waits for EOF before interpreting the response).
		if ($hdr(User-Agent) =~ "xmlrpclib")
			set_reply_close();
		set_reply_no_connect();
		dispatch_rpc();
		exit;
	}
	send_reply("403", "Forbidden");
	exit;
}
#!endif

# Routing to voicemail server
route[TOVOICEMAIL] {
#!ifdef WITH_VOICEMAIL
	if(!is_method("INVITE|SUBSCRIBE"))
		return;

	# check if VoiceMail server IP is defined
	if (strempty($sel(cfg_get.voicemail.srv_ip))) {
		xlog("SCRIPT: VoiceMail rotuing enabled but IP not defined\n");
		return;
	}
	if(is_method("INVITE")) {
		if($avp(oexten)==$null)
			return;
		$ru = "sip:" + $avp(oexten) + "@" + $sel(cfg_get.voicemail.srv_ip)
				+ ":" + $sel(cfg_get.voicemail.srv_port);
	} else {
		if($rU==$null)
			return;
		$ru = "sip:" + $rU + "@" + $sel(cfg_get.voicemail.srv_ip)
				+ ":" + $sel(cfg_get.voicemail.srv_port);
	}
	route(RELAY);
	exit;
#!endif

	return;
}

#!ifdef WITH_FREESWITCH
# FreeSWITCH routing blocks
route[FSINBOUND] {
	if($si== $sel(cfg_get.freeswitch.bindip)
			&& $sp==$sel(cfg_get.freeswitch.bindport))
		return 1;
	return -1;
}

route[FSDISPATCH] {
	if(!is_method("INVITE"))
		return;
	
	if(route(FSINBOUND))
		return;
	
	# dial number selection
	switch($rU) {
		case /"^41$":
			# 41 - voicebox menu
			# allow only authenticated users
			if($au==$null)
			{
				sl_send_reply("403", "Not allowed");
				exit;
			}
			$rU = "vm-" + $au;
		break;
		case /"^441[0-9][0-9]$":
			# starting with 44 folowed by 1XY - direct call to voice box
			strip(2);
			route(FSVBOX);
		break;
		case /"^433[01][0-9][0-9]$":
			# starting with 433 folowed by (0|1)XY - conference
			strip(2);
		break;
		case /"^45[0-9]+$":
			strip(2);
		break;
		default:
			# offline - send to voicebox
			if (!registered("location"))
			{
				route(FSVBOX);
				exit;
			}
			# online - do bridging
			prefix("kb-");
			if(is_method("INVITE"))
			{
				# in case of failure - re-route to FreeSWITCH VoiceMail
				t_on_failure("FAIL_FSVBOX");
			}
	}
	route(FSRELAY);
	exit;
}

route[FSVBOX] {
	if(!($rU=~"^1[0-9][0-9]+$"))
		return;
	prefix("vb-");
	route(FSRELAY);
}

# Send to FreeSWITCH
route[FSRELAY] {
	$du = "sip:" + $sel(cfg_get.freeswitch.bindip) + ":"
			+ $sel(cfg_get.freeswitch.bindport);
	route(RELAY);
	exit;
}

#!endif


# manage outgoing branches

# Manage outgoing branches
branch_route[MANAGE_BRANCH] {
	xdbg("new branch [$T_branch_idx] to $ru\n");
	route(NATMANAGE);
}

# Manage incoming replies
onreply_route[MANAGE_REPLY] {
	xdbg("incoming reply\n");
	if(status=~"[12][0-9][0-9]")
		route(NATMANAGE);
}

#!ifdef WITH_MSILO
#manage failure message
failure_route[MANAGE_FAILURE_MESSAGE] {
       if (!method=="MESSAGE")
    {
        exit;
    }

    log(1,"MSILO:the downstream UA doesn't support MESSAGEs\n");
    # we have changed the R-URI with the contact address, ignore it now
    if (m_store("$ou"))
    {
        t_reply("202", "Accepted");
    }else{
        t_reply("503", "Service Unavailable");
    }
}
#!endif

# Manage failure routing cases
failure_route[MANAGE_FAILURE] {
	route(NATMANAGE);

	if (t_is_canceled()) {
		exit;
	}

#!ifdef WITH_BLOCK3XX
	# block call redirect based on 3xx replies.
	if (t_check_status("3[0-9][0-9]")) {
		t_reply("404","Not found");
		exit;
	}
#!endif

#!ifdef WITH_VOICEMAIL
	# serial forking
	# - route to voicemail on busy or no answer (timeout)
	if (t_check_status("486|408")) {
		$du = $null;
		route(TOVOICEMAIL);
		exit;
	}
#!endif
}
#!ifdef WITH_FREESWITCH
failure_route[FAIL_FSVBOX] {
#!ifdef WITH_NAT
	if (is_method("INVITE")
			&& (isbflagset(FLB_NATB) || isflagset(FLT_NATS))) {
		unforce_rtp_proxy();
	}
#!endif

	if (t_is_canceled()) {
		exit;
	}

	if (t_check_status("486|408")) {
		# re-route to FreeSWITCH VoiceMail
		$rU = $avp(callee);
		route(FSVBOX);
	}
}
#!endif


route[8] {
   sql_query("ca",
       "insert into statistics
(time_stamp,random,shm_used_size,shm_real_used_size,
       shm_max_used_size,shm_free_used_size,ul_users,ul_contacts) values ($Ts,
       $RANDOM,$stat(used_size),$stat(real_used_size),$stat(max_used_size),
       $stat(free_size),$stat(location-users),$stat(location-contacts))",
       "ra");
}


event_route[msrp:frame-in] {
	xdbg("============#[[$msrp(method)]]===========\n");
	xdbg("============*[[$si:$sp]]\n");
	xdbg("============ crthop:   [$msrp(crthop)]\n");
	xdbg("============ prevhop:  [$msrp(prevhop)]\n");
	xdbg("============ nexthop:  [$msrp(nexthop)]\n");
	xdbg("============ firsthop: [$msrp(firsthop)]\n");
	xdbg("============ lasthop:  [$msrp(lasthop)]\n");
	xdbg("============ prevhops: [$msrp(prevhops)]\n");
	xdbg("============ nexthops: [$msrp(nexthops)]\n");
	xdbg("============ srcaddr:  [$msrp(srcaddr)]\n");
	xdbg("============ srcsock:  [$msrp(srcsock)]\n");
	xdbg("============ sessid:   [$msrp(sessid)]\n");

	msrp_reply_flags("1");

	if (msrp_is_reply())
	{
		msrp_relay();
	}
	else if($msrp(method)=="AUTH")
	{
		if($msrp(nexthops)>0)
		{
			msrp_relay();
			exit;
		}

		# frame for local server - send Use-Path
		# -- passwd can be loaded from DB based on $au
		$var(passwd) = "xyz123";
		if(!pv_www_authenticate("myrealm", "$var(passwd)", "0",
					"$msrp(method)"))
		{
			if(auth_get_www_authenticate("myrealm", "1",
							"$var(wauth)"))
			{
				msrp_reply("401", "Unauthorized",
						"$var(wauth)");
			} else {
				msrp_reply("500", "Server Error");
			}
			exit;
		}

		msrp_cmap_save();
	}
	else if ($msrp(method)=="SEND" || $msrp(method)=="REPORT")
	{
		if ($msrp(nexthops)>1)
		{
			if ($msrp(method)!="REPORT")
			{
				msrp_reply("200", "OK");
			}
			msrp_relay();
			exit;
		}

		if (msrp_cmap_lookup())
		{
			if ($msrp(method)!="REPORT")
			{
				msrp_reply("200", "OK");
			}
			msrp_relay_flags("1");
			msrp_relay();
		}
		else
		{
			msrp_reply("481", "Session-does-not-exist");
		}
	}
	else
	{
		msrp_reply("501", "Request-method-not-understood");
	}
	
}

#--------------websockets starts here-------------

#!ifdef WITH_WEBSOCKETS
onreply_route {
if ((($Rp == MY_WS_PORT || $Rp == MY_WSS_PORT)
  && !(proto == WS || proto == WSS))) {
  xlog("L_WARN", "SIP response received on $Rp\n");
  drop;
  exit;
}

if (nat_uac_test(64)) {
  # Do NAT traversal stuff for replies to a WebSocket connection
  # - even if it is not behind a NAT!
  # This won't be needed in the future if Kamailio and the
  # WebSocket client support Outbound and Path.
  add_contact_alias();
}
}

event_route[xhttp:request] {
set_reply_close();
set_reply_no_connect();

if ($Rp != MY_WS_PORT
#!ifdef WITH_TLS
     && $Rp != MY_WSS_PORT
#!endif
) {
  xlog("L_WARN", "HTTP request received on $Rp\n");
  xhttp_reply("403", "Forbidden", "", "");
  exit;
}

xlog("L_DBG", "HTTP Request Received\n");

if ($hdr(Upgrade)=~"websocket"
   && $hdr(Connection)=~"Upgrade"
   && $rm=~"GET") {

  # Validate Host - make sure the client is using the correct
  # alias for WebSockets
  if ($hdr(Host) == $null || !is_myself("sip:" + $hdr(Host))) {
   xlog("L_WARN", "Bad host $hdr(Host)\n");
   xhttp_reply("403", "Forbidden", "", "");
   exit;
  }

  # Optional... validate Origin - make sure the client is from an
  # authorised website.  For example,
  #
  # if ($hdr(Origin) != "http://communicator.MY_DOMAIN"
  #     && $hdr(Origin) != "https://communicator.MY_DOMAIN") {
  # xlog("L_WARN", "Unauthorised client $hdr(Origin)\n");
  # xhttp_reply("403", "Forbidden", "", "");
  # exit;
  # }

  # Optional... perform HTTP authentication

  # ws_handle_handshake() exits (no further configuration file
  # processing of the request) when complete.
  if (ws_handle_handshake())
  {
   # Optional... cache some information about the
   # successful connection
   exit;
  }
}

xhttp_reply("404", "Not Found", "", "");
}

event_route[websocket:closed] {
xlog("L_INFO", "WebSocket connection from $si:$sp has closed\n");
}
#!endif

#--------------websockets ends here-------------


#---------------msilo starts here------------------

route[MSILO]{
#!ifdef WITH_MSILO
 if(!is_method("MESSAGE"))
  return;


##..........added......
if(lookup("location"))
{
	if (m_store("$ru"))
             {
                   if (!t_reply("202", "Accepted"))
                   {
                       sl_reply_error();
                   };
               }else{

                    if (!t_reply("503", "Service Unavailable"))
                   {
                       sl_reply_error();
                   };
               };
};



  if(!lookup("location"))
        {
  $var(rc)=$rc;
   if (! t_newtran())
             {
                 sl_reply_error();
                 exit;
              };

              switch ($var(rc)) {
                        case -1:
                        case -3:
    if (m_store("$ru"))
             {
                   if (!t_reply("202", "Accepted"))
                   {
                       sl_reply_error();
                   };
               }else{

                    if (!t_reply("503", "Service Unavailable"))
                   {
                       sl_reply_error();
                   };
               };
               exit;


                        case -2:
                                t_on_failure("MANAGE_FAILURE_MESSAGE");
           t_relay();
           exit;
                }
        };
  t_on_failure("MANAGE_FAILURE_MESSAGE");
        t_relay();
        exit;

#!endif
return;
}


#------------------msilo ends here----------------



More information about the sr-users mailing list