[SR-Users] kamailio 3 and cpl - 483 too many hops
Klaus Darilion
klaus.mailinglists at pernau.at
Fri Jun 11 09:12:35 CEST 2010
483 usually indicates that Kamailio is looping the request to itself.
Eg. you should see the signaling by using "ngrep -d lo port 5060"
regards
Klaus
Am 10.06.2010 20:26, schrieb Karl Harris:
> I am trying to incorporate a cpl script for testing purposes with
> kamailio 3 but have been met with failure with each try.
>
> Test scenario
>
> I have two sip phones registered to kamailio successfully (I can make
> phone calls between the two phones).
>
> The CPL XML is as follows:
>
> <?xml version="1.0" encoding="UTF-8"?>
> <cpl>
> <incoming >
> <location clear="yes" url="sip:1000 at 192.168.254.144
> <mailto:sip%3A1000 at 192.168.254.144>" >
> <log comment="cpl-log - just location" />
> </location>
> </incoming>
> </cpl>
>
> This compiled successfully and is populating the cpl table in the
> openser database.
>
> When I call this from kamailio.cfg I get the 483 (Too many hops) error.
> If someone could spot an obvious error, I would appreciate it.
>
> The current kamailio.cfg file is as follows:
> ------------------
>
> debug=8
> log_stderror=yes
>
> 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 revers DNS on IPs (default on) */
> auto_aliases=no
>
> port=5060
>
> /* 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:192.168.254.144:5060 <http://192.168.254.144:5060>
>
>
> ####### Custom Parameters #########
>
> # These parameters can be modified runtime via RPC interface
> # - see the documentation of 'cfg_rpc' module.
> #
> # Format: group.id <http://group.id> = value 'desc' description
> # Access: $sel(cfg_get.group.id <http://cfg_get.group.id>) or
> @cfg_get.group.id <http://cfg_get.group.id>
> #
>
> pstn.gw_ip = "" desc "PSTN GW Address"
>
> ####### Modules Section ########
>
> #set module path
> mpath="/usr/lib/kamailio/modules_k/:/usr/lib/kamailio/modules/"
>
> /* uncomment next line for MySQL DB support */
> loadmodule "db_mysql.so"
> loadmodule "mi_fifo.so"
> loadmodule "kex.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 "uri_db.so"
> loadmodule "siputils.so"
> loadmodule "xlog.so"
> loadmodule "sanity.so"
> loadmodule "ctl.so"
> loadmodule "mi_rpc.so"
> loadmodule "acc.so"
> #!ifdef WITH_AUTH
> loadmodule "auth.so"
> loadmodule "auth_db.so"
> #!endif
> /* uncomment next line for aliases support
> NOTE: a DB (like db_mysql) module must be also loaded */
> #loadmodule "alias_db.so"
> /* uncomment next line for multi-domain support
> NOTE: a DB (like db_mysql) module must be also loaded
> NOTE: be sure and enable multi-domain support in all used modules
> (see "multi-module params" section ) */
> #loadmodule "domain.so"
> #!ifdef WITH_PRESENCE
> loadmodule "presence.so"
> loadmodule "presence_xml.so"
> #!endif
>
> #!ifdef WITH_NAT
> loadmodule "nathelper.so"
> #!endif
> # ----kh add------#
> loadmodule "cpl-c.so"
> # ----kh end -----#
>
> # ----------------- setting module-specific parameters ---------------
>
>
> # ----- mi_fifo params -----
> modparam("mi_fifo", "fifo_name", "/tmp/kamailio_fifo")
>
>
> # ----- rr params -----
> # add value to ;lr param to cope with most of the 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)
>
>
> # ----- rr 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)
>
>
> # ----- uri_db params -----
> /* by default we disable the DB support in the module as we do not need it
> in this configuration */
> modparam("uri_db", "use_uri_table", 0)
> modparam("uri_db", "db_url", "")
>
>
> # ----- acc params -----
> /* what sepcial events should be accounted ? */
> modparam("acc", "early_media", 1)
> modparam("acc", "report_ack", 1)
> modparam("acc", "report_cancels", 1)
> /* 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", "failed_transaction_flag", 3)
> modparam("acc", "log_flag", 1)
> modparam("acc", "log_missed_flag", 2)
> modparam("acc", "log_extra",
> "src_user=$fU;src_domain=$fd;dst_ouser=$tU;dst_user=$rU;dst_domain=$rd")
> /* enhanced DB accounting */
> #!ifdef WITH_ACCDB
> modparam("acc", "db_flag", 1)
> modparam("acc", "db_missed_flag", 2)
> modparam("acc", "db_url",
> "mysql://openser:openserrw@localhost/openser")
> modparam("acc", "db_extra",
> "src_user=$fU;src_domain=$fd;dst_ouser=$tU;dst_user=$rU;dst_domain=$rd")
> #!endif
>
> # ----- usrloc params -----
> /* enable DB persistency for location entries */
> #!ifdef WITH_USRLOCDB
> modparam("usrloc", "db_mode", 2)
> modparam("usrloc", "db_url",
> "mysql://openser:openserrw@localhost/openser")
> #!endif
>
> # ----- auth_db params -----
> /* enable the DB based authentication */
> #!ifdef WITH_AUTH
> modparam("auth_db", "calculate_ha1", yes)
> modparam("auth_db", "password_column", "password")
> modparam("auth_db", "db_url",
> "mysql://openser:openserrw@localhost/openser")
> modparam("auth_db", "load_credentials", "")
> #!endif
>
> # ----- alias_db params -----
> /* uncomment the following lines if you want to enable the DB based
> aliases */
> #modparam("alias_db", "db_url",
> # "mysql://openser:openserrw@localhost/openser")
>
>
> # ----- domain params -----
> /* uncomment the following lines to enable multi-domain detection
> support */
> #modparam("domain", "db_url",
> # "mysql://openser:openserrw@localhost/openser")
> #modparam("domain", "db_mode", 1) # Use caching
>
>
> # ----- multi-module params -----
> /* uncomment the following line if you want to enable multi-domain support
> in the modules (dafault off) */
> #modparam("alias_db|auth_db|usrloc|uri_db", "use_domain", 1)
>
>
> # ----- presence params -----
> /* enable presence server support */
> #!ifdef WITH_PRESENCE
> modparam("presence|presence_xml", "db_url",
> "mysql://openser:openserrw@localhost/openser")
> modparam("presence_xml", "force_active", 1)
> modparam("presence", "server_address", "sip:10.0.0.10:5060
> <http://10.0.0.10:5060>")
> #!endif
>
> # ----- nathelper -----
> #!ifdef WITH_NAT
> modparam("nathelper", "rtpproxy_sock", "udp:127.0.0.1:7722
> <http://127.0.0.1:7722>")
> modparam("nathelper", "natping_interval", 30)
> modparam("nathelper", "ping_nated_only", 1)
> modparam("nathelper", "sipping_bflag", 7)
> modparam("nathelper", "sipping_from", "sip:pinger at kamailio.org
> <mailto:sip%3Apinger at kamailio.org>")
> modparam("registrar|nathelper", "received_avp", "$avp(i:80)")
> modparam("usrloc", "nat_bflag", 6)
> #!endif
>
> # ----- cpl --------
> modparam("cpl-c","db_url","mysql://openser:openserrw@localhost/openser")
> modparam("cpl-c","cpl_dtd_file","/etc/kamailio/cpl-06.dtd")
> modparam("cpl-c","log_dir","/var/log/kamailio/cpl")
> # ----- cpl --------
>
> ####### Routing Logic ########
>
> route{
>
> if (!mf_process_maxfwd_header("10")) {
> sl_send_reply("483","Too Many Hops");
> exit;
> }
>
> if(!sanity_check("1511", "7"))
> {
> xlog("Malformed SIP message from $si:$sp\n");
> exit;
> }
>
> # NAT detection
> route(NAT);
>
> if (has_totag()) {
> # sequential request withing a dialog should
> # take the path determined by record-routing
> if (loose_route()) {
> if (is_method("BYE")) {
> setflag(1); # do accounting ...
> setflag(3); # ... even if the transaction fails
> }
> route(RELAY);
> } else {
> if (is_method("SUBSCRIBE") && uri == myself) {
> # in-dialog subscribe requests
> route(PRESENCE);
> exit;
> }
> if ( is_method("ACK") ) {
> if ( t_check_trans() ) {
> # non loose-route, but stateful ACK; must be an ACK
> after a 487 or e.g. 404 from upstream server
> t_relay();
> exit;
> } else {
> # ACK without matching transaction ... ignore and
> discard.\n");
> exit;
> }
> }
> sl_send_reply("404","Not here");
> }
> exit;
> }
>
> #initial requests
>
> # CANCEL processing
> if (is_method("CANCEL"))
> {
> if (t_check_trans())
> t_relay();
> 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(1); # do accounting
> }
> if (!uri==myself)
> /* replace with following line if multi-domain support is used */
> ##if (!is_uri_host_local())
> {
> append_hf("P-hint: outbound\r\n");
> route(RELAY);
> }
>
> # requests for my domain
>
> if( is_method("PUBLISH|SUBSCRIBE"))
> route(PRESENCE);
>
> if (is_method("REGISTER"))
> {
> if(isflagset(5))
> {
> setbflag("6");
> # uncomment next line to do SIP NAT pinging
> ## setbflag("7");
> }
> if (!save("location"))
> sl_reply_error();
>
> exit;
> }
>
> if ($rU==$null) {
> # request with no Username in RURI
> sl_send_reply("484","Address Incomplete");
> exit;
> }
>
> route(PSTN);
>
> # apply DB based aliases (uncomment to enable)
> ##alias_db_lookup("dbaliases");
>
> if (!lookup("location")) {
> switch ($rc) {
> case -1:
> case -3:
> t_newtran();
> t_reply("404", "Not Found");
> exit;
> case -2:
> sl_send_reply("405", "Method Not Allowed");
> exit;
> }
> }
>
> # when routing via usrloc, log the missed calls also
> setflag(2);
>
> route(RELAY);
> }
>
>
> route[RELAY] {
> #!ifdef WITH_NAT
> if (check_route_param("nat=yes")) {
> setbflag("6");
> }
> if (isflagset(5) || isbflagset("6")) {
> route(RTPPROXY);
> }
> #!endif
>
> /* example how to enable some additional event routes */
> if (is_method("INVITE")) {
> #t_on_branch("BRANCH_ONE");
> xlog("--kh-- before cpl call");
> cpl_run_script("incoming", "force_stateful");
> xlog("--kh-- after cpl call");
> t_on_reply("REPLY_ONE");
> t_on_failure("FAIL_ONE");
> }
>
> if (!t_relay()) {
> sl_reply_error();
> }
> exit;
> }
>
>
> # Presence server route
> route[PRESENCE]
> {
> #!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
> if (is_method("REGISTER"))
> {
> # authenticate the REGISTER requests (uncomment to enable auth)
> if (!www_authorize("", "subscriber"))
> {
> www_challenge("", "0");
> exit;
> }
>
> if ($au!=$tU)
> {
> sl_send_reply("403","Forbidden auth ID");
> exit;
> }
> } else {
> # authenticate if from local subscriber (uncomment to enable auth)
> if (from_uri==myself)
> {
> if (!proxy_authorize("", "subscriber")) {
> proxy_challenge("", "0");
> exit;
> }
> if (is_method("PUBLISH"))
> {
> if ($au!=$tU) {
> sl_send_reply("403","Forbidden auth ID");
> exit;
> }
> } else {
> if ($au!=$fU) {
> sl_send_reply("403","Forbidden auth ID");
> exit;
> }
> }
>
> consume_credentials();
> # caller authenticated
> }
> }
> #!endif
> return;
> }
>
> # Caller NAT detection route
> route[NAT]{
> #!ifdef WITH_NAT
> force_rport();
> if (nat_uac_test("19")) {
> if (method=="REGISTER") {
> fix_nated_register();
> } else {
> fix_nated_contact();
> }
> setflag(5);
> }
> #!endif
> return;
> }
>
> # RTPProxy control
> route[RTPPROXY] {
> #!ifdef WITH_NAT
> if (is_method("BYE")) {
> unforce_rtp_proxy();
> } else if (is_method("INVITE")){
> force_rtp_proxy();
> }
> if (!has_totag()) add_rr_param(";nat=yes");
> #!endif
> return;
> }
>
> # 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;
> }
>
> $ru = "sip:" + $rU + "@" + $sel(cfg_get.pstn.gw_ip);
>
> route(RELAY);
> exit;
> #!endif
>
> return;
> }
>
> # Sample branch router
> branch_route[BRANCH_ONE] {
> xdbg("new branch at $ru\n");
> }
>
> # Sample onreply route
> onreply_route[REPLY_ONE] {
> xdbg("incoming reply\n");
> #!ifdef WITH_NAT
> if ((isflagset(5) || isbflagset("6")) &&
> status=~"(183)|(2[0-9][0-9])") {
> force_rtp_proxy();
> }
> if (isbflagset("6")) {
> fix_nated_contact();
> }
> #!endif
> }
>
> # Sample failure route
> failure_route[FAIL_ONE] {
> #!ifdef WITH_NAT
> if (is_method("INVITE")
> && (isbflagset("6") || isflagset(5))) {
> unforce_rtp_proxy();
> }
> #!endif
>
> if (t_is_canceled()) {
> exit;
> }
>
>
> }
>
>
>
>
> --
> Karl Harris
>
>
>
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