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514 lines
18 KiB
514 lines
18 KiB
#!trydef REGISTRAR_NAT_PING_INTERVAL 30
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#!trydef REGISTRAR_NAT_PING_WORKERS 5
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#!trydef REGISTRAR_MIN_EXPIRES 300
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#!trydef REGISTRAR_MAX_EXPIRES 3600
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#!trydef REGISTRAR_DEFAULT_EXPIRES 600
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#!trydef REGISTRAR_ERROR_MIN_EXPIRES 1
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#!trydef REGISTRAR_ERROR_MISSING_EXPIRES 1
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#!trydef REGISTRAR_CONTACT_MAX_SIZE 2048
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#!trydef REGISTRAR_QUERY_TIMEOUT_MS 2500
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#!trydef REGISTRAR_HANDLE_LOST_TCP 1
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#!trydef REGISTRAR_CLOSE_EXPIRED_TCP 1
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#!trydef REGISTRAR_HANDLE_EXPIRED_TCP 1
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#!trydef REGISTRAR_HANDLE_EXPIRED_UDP 0
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#!trydef REGISTRAR_HANDLE_EXPIRED_TLS 1
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#!trydef REGISTRAR_HANDLE_EXPIRED_WS 1
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#!trydef REGISTRAR_FORCE_QUERY 0
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#!trydef REGISTRAR_FORCE_FAILOVER 0
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######## Generic Hash Table container in shared memory ########
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modparam("htable", "htable", "auth_cache=>size=16;autoexpire=7200;")
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####### Authentication Interface module ##########
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loadmodule "auth.so"
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modparam("auth", "auth_checks_register", 11)
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modparam("auth", "qop", "auth")
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modparam("auth", "nonce_expire", 90)
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####### User Location Implementation module ##########
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loadmodule "usrloc.so"
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modparam("usrloc", "db_update_as_insert", 0)
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modparam("usrloc", "use_domain", 1)
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modparam("usrloc", "nat_bflag", FLB_NATB)
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modparam("usrloc", "db_url", "KAZOO_DB_URL")
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modparam("usrloc", "db_mode", 1)
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modparam("usrloc", "handle_lost_tcp", 1)
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modparam("usrloc", "xavp_contact", "ulattrs")
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modparam("usrloc", "db_check_update", 1)
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modparam("usrloc", "timer_interval", 30)
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modparam("usrloc", "timer_procs", 1)
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modparam("usrloc", "db_timer_clean", 1)
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modparam("usrloc", "fetch_rows", 400)
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modparam("usrloc", "handle_lost_tcp", REGISTRAR_HANDLE_LOST_TCP)
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modparam("usrloc", "close_expired_tcp", REGISTRAR_CLOSE_EXPIRED_TCP)
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######## NAT Traversal module - signaling functions ########
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#!ifdef NAT_TRAVERSAL_ROLE
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#!trydef NATHELPER_LOADED
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loadmodule "nathelper.so"
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modparam("nathelper", "natping_interval", REGISTRAR_NAT_PING_INTERVAL)
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modparam("nathelper", "ping_nated_only", 1)
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modparam("nathelper", "natping_processes", REGISTRAR_NAT_PING_WORKERS)
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modparam("nathelper", "sipping_bflag", FLB_NATSIPPING)
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#!endif
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####### SIP Registrar implementation module ##########
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loadmodule "registrar.so"
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modparam("registrar", "received_avp", "$avp(AVP_RECV_PARAM)")
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modparam("registrar", "min_expires", REGISTRAR_MIN_EXPIRES)
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modparam("registrar", "max_expires", REGISTRAR_MAX_EXPIRES)
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modparam("registrar", "default_expires", REGISTRAR_DEFAULT_EXPIRES)
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modparam("registrar", "xavp_cfg", "regcfg")
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modparam("registrar", "gruu_enabled", 1)
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modparam("registrar", "outbound_mode", 1)
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modparam("registrar", "regid_mode", 1)
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modparam("registrar", "path_mode", 1)
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modparam("registrar", "use_path", 1)
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modparam("registrar", "received_param", "")
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modparam("registrar", "xavp_rcd", "ulrcd")
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modparam("registrar", "contact_max_size", REGISTRAR_CONTACT_MAX_SIZE)
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kazoo.registrar_error_min_expires = REGISTRAR_ERROR_MIN_EXPIRES descr "send error when UAS sends expires < min-expires"
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kazoo.registrar_error_missing_expires = REGISTRAR_ERROR_MISSING_EXPIRES descr "send error when UAS do not send expires header"
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##### handle expired registrations realtime params #####
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kazoo.registrar_handle_expired_tcp = REGISTRAR_HANDLE_EXPIRED_TCP descr "handles expired tcp registrations"
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kazoo.registrar_handle_expired_udp = REGISTRAR_HANDLE_EXPIRED_UDP descr "handles expired udp registrations"
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kazoo.registrar_handle_expired_tls = REGISTRAR_HANDLE_EXPIRED_TLS descr "handles expired tls registrations"
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kazoo.registrar_handle_expired_ws = REGISTRAR_HANDLE_EXPIRED_WS descr "handles expired ws registrations"
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kazoo.registrar_query_timeout_ms = REGISTRAR_QUERY_TIMEOUT_MS descr "timeout waiting for reply from registrar"
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kazoo.registrar_failover = REGISTRAR_FORCE_FAILOVER descr "force failover if 1"
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kazoo.registrar_force_query = REGISTRAR_FORCE_QUERY descr "force query if 1"
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####### Registrar Logic ########
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route[HANDLE_REGISTER]
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{
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if (!is_method("REGISTER")) {
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return;
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}
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resetbflag(FLB_NATB);
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resetbflag(FLB_NATSIPPING);
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if (isflagset(FLT_NATS)) {
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setbflag(FLB_NATB);
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fix_nated_register();
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## KAZOO-1846: Cisco SPA8000 freaks out on options pings
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if (!($ua =~ "Linksys/SPA8000"
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|| $ua =~ "SIPp"
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|| (af==INET6)
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)) {
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setbflag(FLB_NATSIPPING);
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}
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} else {
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$avp(AVP_RECV_PARAM) = $su;
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}
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route(ATTEMPT_AUTHORIZATION);
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}
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route[AUTHORIZATION_CHECK]
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{
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if (!is_method("MESSAGE|NOTIFY|SUBSCRIBE|PUBLISH"))
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return;
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if(has_totag())
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return;
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if (isflagset(FLAG_INTERNALLY_SOURCED))
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return;
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if (isflagset(FLAG_TRUSTED_SOURCE))
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return;
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$xavp(regcfg=>match_received) = $su;
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if(!(registered("location", "$fu", 2, 1) == 1 && $(xavp(ulattrs=>custom_channel_vars){s.len}) > 1)) {
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xlog("L_INFO", "$ci|log|not authorized $fu from $si:$sp\n");
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send_reply("503", "Not Registered");
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exit;
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}
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}
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route[ATTEMPT_AUTHORIZATION]
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{
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#!ifdef PUSHER_ROLE
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route(PUSHER_ATTEMPT_REGISTRATION);
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#!endif
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if($sel(cfg_get.kazoo.registrar_force_query) == 0) {
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$xavp(regcfg=>match_received) = $su;
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if($sht(auth_cache=>$Au) != $null
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&& registered("location", "$rz:$Au", 2, 1) == 1
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&& $(xavp(ulattrs=>custom_channel_vars){s.len}) > 1)
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&& $sel(cfg_get.kazoo.registrar_failover) == 0 {
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$var(password) = $sht(auth_cache=>$Au);
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route(SAVE_LOCATION);
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exit;
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}
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}
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if($td =~ "[0-9]{1,3}\.[0-9]{1,3}.[0-9]{1,3}\.[0-9]{1,3}" ||
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$fd =~ "[0-9]{1,3}\.[0-9]{1,3}.[0-9]{1,3}\.[0-9]{1,3}") {
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xlog("L_INFO", "$ci|log|register|invalid domain\n");
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drop;
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}
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if (!t_newtran()) {
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xlog("L_ERROR", "$ci|log|failed to create transaction to query for authentication credentials for $Au $si:$sp\n");
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drop;
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}
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if($xavp(amqpc=>default::MY_AMQP_ZONE) == 0) {
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xlog("L_INFO", "$ci|log|register|no amqp connection available for default worker in zone MY_AMQP_ZONE\n");
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t_drop();
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}
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if($sel(cfg_get.kazoo.registrar_failover) == 1) {
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xlog("L_INFO", "$ci|log|register|forcing failover\n");
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t_drop();
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}
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route(REGISTRAR_BOUNDS);
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$var(auth) = pv_auth_check("$fd", "$uuid(g)", "0", "0");
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if($var(auth) != -2) {
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xlog("L_INFO", "$ci|end|challenging $Au $si:$sp\n");
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$var(auth) = auth_challenge("$fd", "21");
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if($var(auth) != 1) {
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xlog("L_ERROR", "$ci|register|error creating or sending challenge to registration attempt for $fu from $si:$sp\n");
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t_drop();
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}
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exit;
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}
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sl_send_reply("100", "checking your credentials");
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$var(amqp_payload_request) = $_s({"Event-Category" : "directory" , "Event-Name" : "authn_req", "Method" : "REGISTER", "Auth-Nonce" : "$adn", "Auth-Realm" : "$fd", "Auth-User" : "$fU", "From" : "$fu", "To" : "$tu", "Orig-IP" : "$si", "Orig-Port" : "$sp", "User-Agent" : "$(ua{s.escape.common}{s.replace,\','}{s.replace,$$,})", "Contact" : "$(ct{s.escape.common}{s.replace,\','}{s.replace,$$,})", "Call-ID" : "$ci" });
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$var(amqp_routing_key) = "authn.req." + $(fd{kz.encode});
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$avp(kz_timeout) = $sel(cfg_get.kazoo.registrar_query_timeout_ms);
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$xavp(deltas=>query) = $(TV(Sn){s.replace,.,});
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if(kazoo_async_query("callmgr", $var(amqp_routing_key), $var(amqp_payload_request), "KZ_AUTHORIZATION_REPLY", "KZ_AUTHORIZATION_TIMEOUT") != 1) {
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xlog("L_INFO", "$ci|log|failed to send registrar query for authentication credentials for $Au $si:$sp\n");
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t_drop();
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}
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}
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failure_route[KZ_AUTHORIZATION_TIMEOUT]
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{
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xlog("L_INFO", "$ci|log|failed $T_reply_code to query Kazoo for authentication credentials for $Au $si:$sp\n");
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t_drop();
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}
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onreply_route[KZ_AUTHORIZATION_REPLY]
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{
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$var(StartRoute) = $(TV(Sn){s.replace,.,});
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$var(delta_to_start) = $var(StartRoute) - $(kzR{kz.json,AMQP-Received});
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$var(delta_from_query) = $(kzR{kz.json,AMQP-Received}) - $xavp(deltas=>query);
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xlog("L_INFO", "$ci|log|received $(kzR{kz.json,Event-Category}) $(kzR{kz.json,Event-Name}) reply from $(kzR{kz.json,App-Name})-$(kzR{kz.json,App-Version}) (Δ1 $(kzR{kz.json,AMQP-Elapsed-Micro}) μs , Δ2 $var(delta_to_start) μs, Δ3 $var(delta_from_query) μs)\n");
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$var(password) = $(kzR{kz.json,Auth-Password});
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$var(nonce) = $adn;
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if( $(kzR{kz.json,Event-Name}) == "authn_err" ) {
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#!ifdef ANTIFLOOD_ROLE
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route(ANITFLOOD_FAILED_AUTH);
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#!endif
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auth_challenge("$fd", "5");
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xlog("L_INFO", "$ci|end|challenging $Au $si:$sp via $(kzR{kz.json,App-Name})-$(kzR{kz.json,App-Version}) response\n");
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exit;
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} else {
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xlog("L_INFO", "$ci|log|authenticating $Au via $(kzR{kz.json,App-Name})-$(kzR{kz.json,App-Version}) response\n");
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route(CHECK_AUTHORIZATION);
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}
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}
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route[CHECK_AUTHORIZATION]
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{
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if (!pv_auth_check("$fd", "$var(password)", "0", "0")) {
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#!ifdef ANTIFLOOD_ROLE
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route(ANITFLOOD_FAILED_AUTH);
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#!endif
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xlog("L_WARNING", "$ci|end|issuing auth challenge to failed registration attempt for $Au from IP $si:$sp\n");
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auth_challenge("$fd", "5");
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exit;
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}
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#!ifdef ANTIFLOOD_ROLE
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route(ANTIFLOOD_SUCCESSFUL_AUTH);
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#!endif
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# user authenticated - remove auth header
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consume_credentials();
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$xavp(ulattrs=>custom_channel_vars) = $(kzR{kz.json,Custom-Channel-Vars});
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$xavp(ulattrs[0]=>token) = $_s($(kzR{kz.json,Custom-Channel-Vars.Authorizing-ID})@$(kzR{kz.json,Custom-Channel-Vars.Account-ID}));
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route(SAVE_LOCATION);
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}
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route[SAVE_LOCATION]
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{
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if ($sht(auth_cache=>$Au) == $null && $var(password) != $null) {
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xlog("L_INFO", "$ci|log|caching sip credentials for $Au\n");
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};
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$sht(auth_cache=>$Au) = $var(password);
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$var(save_result) = save("location", "0x04");
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if($var(save_result) < 0) {
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exit;
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} else {
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if($var(save_result) == 1) {
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$var(new_reg) = "true";
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} else {
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$var(new_reg) = "false";
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}
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}
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if($var(save_result) == 3) {
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$var(expires) = 0;
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} else {
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$var(expires) = $xavp(ulrcd=>expires);
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}
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if($var(expires) == 0) {
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xlog("L_INFO", "$ci|end|unregister request from $Au $si:$sp\n");
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$var(Status) = "Unregistered";
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} else {
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$var(Status) = "Registered";
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}
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$var(ip) = $Ri;
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if(af==INET6) {
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$var(ip) = "[" + $Ri + "]";
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}
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# allow port redirection on registration
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switch($proto)
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{
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#!ifdef KZ_WEBSOCKETS_REGISTRAR_PORT
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case "ws":
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case "wss":
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$var(port) = KZ_WEBSOCKETS_REGISTRAR_PORT;
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break;
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#!endif
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#!ifdef KZ_TLS_REGISTRAR_PORT
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case "tls":
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$var(port) = KZ_TLS_REGISTRAR_PORT;
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break;
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#!endif
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#!ifdef KZ_UDP_REGISTRAR_PORT
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case "udp":
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$var(port) = KZ_UDP_REGISTRAR_PORT;
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break;
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#!endif
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#!ifdef KZ_TCP_REGISTRAR_PORT
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case "tcp":
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$var(port) = KZ_TCP_REGISTRAR_PORT;
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break;
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#!endif
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default:
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$var(port) = $Rp;
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}
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$var(AdvIP) = $RAi;
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if(af==INET6) {
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$var(AdvIP) = "[" + $RAi + "]";
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}
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$var(amqp_payload_request) = $_s({"Event-Category" : "directory", "Event-Name" : "reg_success", "Status" : "$var(Status)", "Event-Timestamp" : $TS, "Expires" : $(var(expires){s.int}), "First-Registration" : $var(new_reg), "Contact" : "$(ct{s.escape.common}{s.replace,\','}{s.replace,$$,})", "Call-ID" : "$ci", "Realm" : "$fd", "Username" : "$fU", "From-User" : "$fU", "From-Host" : "$fd", "To-User" : "$tU", "To-Host" : "$td", "User-Agent" : "$(ua{s.escape.common}{s.replace,\','}{s.replace,$$,})" , "Custom-Channel-Vars" : $xavp(ulattrs=>custom_channel_vars), "Proxy-Path" : "sip:MY_IP_ADDRESS:$var(port)", "Proxy-Protocol" : "$proto", "Proxy-IP" : "$var(AdvIP)", "Proxy-Port" : "$RAp", "Source-IP": "$si", "Source-Port": "$sp" });
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$var(amqp_routing_key) = "registration.success." + $(fd{kz.encode}) + "." + $(fU{kz.encode});
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kazoo_publish("registrar", $var(amqp_routing_key), $var(amqp_payload_request));
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xlog("L_INFO", "$ci|end|successful $(var(Status){s.tolower}) with contact : $ct : $var(expires)\n");
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#!ifdef PUSHER_ROLE
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route(PUSHER_ON_REGISTRATION);
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#!endif
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exit;
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}
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## kazoo event route , {"directory", "reg_flush") => reg-flush by kamailio limitations
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## when a Event-Category or Event-Name has a underscore (_) we need to declare it with a dash (-)
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event_route[kazoo:consumer-event-directory-reg-flush]
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{
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$var(user) = $(kzE{kz.json,Username}) + "@" + $(kzE{kz.json,Realm});
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xlog("L_INFO", "$(kzE{kz.json,Msg-ID})|log|received directory flush for $var(user)\n");
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if ($sht(auth_cache=>$var(user)) != $null) {
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$sht(auth_cache=>$var(user)) = $null;
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}
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if(reg_fetch_contacts("location", "sip:$var(user)", "caller")) {
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$var(i) = 0;
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while($var(i) < $(ulc(caller=>count))) {
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unregister("location", "sip:$(ulc(caller=>aor))", "$(ulc(caller=>ruid)[$var(i)])");
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$var(i) = $var(i) + 1;
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}
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reg_free_contacts("caller");
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}
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#!ifdef ANTIFLOOD_ROLE
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route(ANTIFLOOD_RESET_AUTH);
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#!endif
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}
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route[REGISTRAR_BINDINGS]
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{
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#!import_file "registrar-custom-bindings.cfg"
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#!ifndef REGISTRAR_CUSTOM_BINDINGS
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$var(payload) = $_s({"name": "registrar-api", "exchange": "registrar", "type": "topic", "queue": "registrar-flush-MY_HOSTNAME", "routing": "registration.flush.*", "federate": 1 });
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kazoo_subscribe("$var(payload)");
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#!endif
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#!ifdef REGISTRAR_SYNC_ROLE
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route(REGISTRAR_SYNC_BINDINGS);
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#!endif
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}
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route[REGISTRAR_BOUNDS]
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{
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if((int)@contact.expires) {
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$var(expires) = @contact.expires;
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} else if(is_present_hf("Expires")) {
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$var(expires) = $hdr(Expires);
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} else if($(sel(contact){tobody.params}{param.value,expires}) != "") {
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$var(expires) = $(sel(contact){tobody.params}{param.value,expires}{s.int});
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} else {
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if($sel(cfg_get.kazoo.registrar_error_missing_expires) == 1) {
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xlog("L_WARNING", "$ci|end|missing expires registering $Au from IP $si:$sp\n");
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send_reply("400", "Missing Expires");
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exit;
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} else {
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xlog("L_WARNING", "$ci|end|allowing missing expires registering $Au from IP $si:$sp\n");
|
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}
|
|
}
|
|
|
|
if($var(expires) != 0) {
|
|
if($sel(cfg_get.kazoo.registrar_error_min_expires) == 1) {
|
|
if($var(expires) < REGISTRAR_MIN_EXPIRES) {
|
|
xlog("L_WARNING", "$ci|end|expires $var(expires) too brief (configured $def(REGISTRAR_MIN_EXPIRES)) registering $Au from IP $si:$sp\n");
|
|
append_to_reply("Min-Expires: $def(REGISTRAR_MIN_EXPIRES)\r\n");
|
|
send_reply("423", "Interval Too Brief");
|
|
exit;
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
##
|
|
## this needs handling logic in ecallmgr
|
|
## because we will fire the unregister from this server
|
|
## after device registers in another proxy
|
|
## causing ecallmgr to delete the registration
|
|
## from the other server
|
|
##
|
|
event_route[usrloc:contact-expired]
|
|
{
|
|
## return until we handle this in ecallmr
|
|
return;
|
|
|
|
$var(transport) = $(ulc(exp=>received){uri.transport});
|
|
$var(proto) = $(ulc(exp=>socket){re.subst,/^([^:]*):(.*)/\1/});
|
|
if($var(proto) == "tls" && $var(transport) == "ws") {
|
|
$var(proto) = "wss";
|
|
}
|
|
$var(handle) = 0;
|
|
switch($var(proto))
|
|
{
|
|
case "ws":
|
|
case "wss":
|
|
if($sel(cfg_get.kazoo.registrar_handle_expired_ws) == 1) {
|
|
$var(handle) = 1;
|
|
}
|
|
break;
|
|
|
|
case "tls":
|
|
if($sel(cfg_get.kazoo.registrar_handle_expired_tls) == 1) {
|
|
$var(handle) = 1;
|
|
}
|
|
break;
|
|
|
|
case "tcp":
|
|
if($sel(cfg_get.kazoo.registrar_handle_expired_tcp) == 1) {
|
|
$var(handle) = 1;
|
|
}
|
|
break;
|
|
|
|
case "udp":
|
|
if($sel(cfg_get.kazoo.registrar_handle_expired_udp) == 1) {
|
|
$var(handle) = 1;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if($var(handle) == 1) {
|
|
$var(aor) = $_s(sip:$ulc(exp=>aor));
|
|
$var(username) = $(var(aor){uri.user});
|
|
$var(domain) = $(var(aor){uri.host});
|
|
$var(amqp_payload_request) = $_s({"Event-Category" : "directory", "Event-Name" : "reg_success", "Status" : "Unregistered", "Event-Timestamp" : $TS, "Expires" : 0, "First-Registration" : false, "Contact" : "$(ulc(exp=>addr){s.escape.common}{s.replace,\','}{s.replace,$$,})", "Call-ID" : "$ulc(exp=>callid)", "Realm" : "$var(domain)", "Username" : "$var(username)", "From-User" : "$var(username)", "From-Host" : "$var(domain)", "To-User" : "$var(username)", "To-Host" : "$var(domain)", "Proxy-Path" : "$ulc(exp=>socket)", "User-Agent" : "$(ulc(exp=>user_agent){s.escape.common}{s.replace,\','}{s.replace,$$,})"});
|
|
$var(amqp_routing_key) = "registration.success." + $(var(domain){kz.encode}) + "." + $(var(username){kz.encode});
|
|
kazoo_publish("registrar", $var(amqp_routing_key), $var(amqp_payload_request));
|
|
xlog("L_INFO", "$ulc(exp=>callid)|expired|notified registration removal with contact : $ulc(exp=>addr)\n");
|
|
}
|
|
xlog("L_INFO", "$ulc(exp=>callid)|expired|removed registration with contact : $ulc(exp=>addr)\n");
|
|
}
|
|
|
|
#!ifdef REGISTRAR_SYNC_ROLE
|
|
#!include_file "registrar-sync-role.cfg"
|
|
#!endif
|
|
|
|
route[REGISTRAR_ROUTE_TO_AOR]
|
|
{
|
|
if ($hdr(X-KAZOO-AOR) == $null) {
|
|
return();
|
|
}
|
|
|
|
xlog("L_INFO", "$ci|log|using AOR $hdr(X-KAZOO-AOR)\n");
|
|
setflag(FLT_AOR);
|
|
if ($hdr(X-KAZOO-INVITE-FORMAT) == "contact") {
|
|
if(lookup("location", "$hdr(X-KAZOO-AOR)") > 0){
|
|
xlog("L_INFO", "$ci|end|routing to contact $ru\n");
|
|
handle_ruri_alias();
|
|
} else {
|
|
xlog("L_INFO", "$ci|end|lookup for AOR $hdr(X-KAZOO-AOR) failed\n");
|
|
sl_send_reply("410", "Not registered");
|
|
exit;
|
|
}
|
|
} else if (reg_fetch_contacts("location", "$hdr(X-KAZOO-AOR)", "callee")) {
|
|
$du = $(ulc(callee=>received));
|
|
$fs = $(ulc(callee=>socket));
|
|
xlog("L_INFO", "$ci|log|routing $hdr(X-KAZOO-AOR) to $du via $fs\n");
|
|
} else {
|
|
xlog("L_INFO", "$ci|end|user is not registered\n");
|
|
sl_send_reply("410", "Not registered");
|
|
exit;
|
|
}
|
|
}
|
|
|
|
# vim: tabstop=4 softtabstop=4 shiftwidth=4 expandtab
|