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November 7, 2019 09:58
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kamailio.cfg 5.3 with REINVITE issues (not correct SRTP handling)
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| #!KAMAILIO | |
| ####### Include Local Config If Exists ######### | |
| import_file "kamailio-local.cfg" | |
| # Content of kamailio-local.cfg | |
| listen=udp:172.20.xx.xxx:5060 # CORRECT THIS | |
| listen=tls:212.xx.xx.xxx:5061 # CORRECT THIS | |
| #!define DBURL "text:///etc/kamailio/database" | |
| #!define WITH_NAT | |
| #!define WITH_TLS | |
| #!define WITH_DISPATCHER | |
| #!define WITH_AUTH | |
| #!define WITH_IPAUTH | |
| #!define WITH_TLS_AUTH | |
| #!define WITH_TOPOS | |
| #!define WITH_SDP_REWRITE | |
| #!substdef "!SBC_DNS_NAME!sbc-d01.domain.example!g" # CORRECT THIS | |
| #!substdef "!CFG_PROD_IP!212.xx.xx.xxx!g" # CORRECT THIS | |
| #!define WITH_HOMER | |
| #!substdef "!MY_HOMER_IP_ADDR!172.20.xxx.xyx!g" # CORRECT THIS | |
| #!substdef "!MY_HOMER_PORT!9060!g" | |
| #!substdef "!MY_LOCAL_SEND_PORT!9060!g" | |
| #!substdef "!MY_PRV_IP!172.20.xxx.xxx!g" # CORRECT THIS | |
| server_header="Server: SBC-OS" | |
| user_agent_header="User-Agent: SBC-OS" | |
| topology.hostname_hide="sbc-d01.domain.example" desc "Fake topology hostname" | |
| proxygw.detail="-" desc "Fake sdp servername" | |
| ############################################### | |
| # Disable the Server: kamailio x.y.z header | |
| server_signature=no | |
| sip_warning=0 | |
| #!define WITH_MB_DEBUG | |
| ####### 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 | |
| #!define DLG_FLAG 8 | |
| ####### 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 | |
| log_prefix="{$mt $hdr(CSeq) $ci} " | |
| /* number of SIP routing processes for each UDP socket | |
| * - value inherited by tcp_children and sctp_children when not set explicitely */ | |
| children=8 | |
| /* uncomment the next line to disable TCP (default on) */ | |
| # disable_tcp=yes | |
| /* number of SIP routing processes for all TCP/TLS sockets */ | |
| # tcp_children=8 | |
| /* 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:10.0.0.10:5060 | |
| /* life time of TCP connection when there is no traffic | |
| * - a bit higher than registration expires to cope with UA behind NAT */ | |
| tcp_connection_lifetime=3605 | |
| /* upper limit for TCP connections (it includes the TLS connections) */ | |
| tcp_max_connections=50000 | |
| #!ifdef WITH_TLS | |
| enable_tls=yes | |
| # allows reuse of TCP ports. OS must support SO_REUSPORT | |
| #tcp_reuse_port=yes | |
| /* upper limit for TLS connections */ | |
| tls_max_connections=50000 | |
| #!endif | |
| ####### Custom Parameters ######### | |
| ####### Modules Section ######## | |
| /* set paths to location of modules */ | |
| # mpath="/usr/lib/x86_64-linux-gnu/kamailio/modules/" | |
| #!ifdef WITH_MYSQL | |
| loadmodule "db_mysql.so" | |
| #!endif | |
| loadmodule "jsonrpcs.so" | |
| loadmodule "db_text.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 "textopsx.so" | |
| loadmodule "siputils.so" | |
| loadmodule "xlog.so" | |
| loadmodule "sanity.so" | |
| loadmodule "ctl.so" | |
| loadmodule "cfg_rpc.so" | |
| loadmodule "acc.so" | |
| loadmodule "counters.so" | |
| loadmodule "ndb_redis.so" | |
| #!ifdef WITH_TOPOS | |
| loadmodule "topos_redis.so" | |
| loadmodule "topos.so" | |
| #!endif | |
| loadmodule "uac.so" | |
| loadmodule "avpops.so" | |
| loadmodule "sdpops.so" | |
| loadmodule "msrp.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 "rtpengine.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_HOMER | |
| loadmodule "siptrace.so" | |
| #!endif | |
| #!ifdef WITH_DISPATCHER | |
| loadmodule "dispatcher.so" | |
| modparam("dispatcher", "list_file", "/etc/kamailio/dispatcher.list") | |
| modparam("dispatcher", "ds_probing_mode", 1) | |
| modparam("dispatcher", "ds_ping_interval", 60) | |
| modparam("dispatcher", "ds_probing_mode", 1) | |
| modparam("dispatcher", "ds_probing_threshold", 2) | |
| modparam("dispatcher", "setid_pvname", "$var(setid)") | |
| modparam("dispatcher", "attrs_pvname", "$var(attrs)") | |
| modparam("dispatcher", "ds_ping_reply_codes", "class=2") | |
| modparam("dispatcher", "ds_ping_latency_stats", 1) | |
| #!endif | |
| #TOPOS | |
| modparam("ndb_redis", "server", "name=sbc01;addr=127.0.0.1;port=6379;db=8") | |
| ### modparam("ndb_redis", "server", "name=CFG_REDIS_NAME;addr=CFG_REDIS_ADDR;port=6379;db=CFG_REDIS_DB") | |
| modparam("ndb_redis", "connect_timeout", 1500) # default 1000ms/1sec | |
| modparam("ndb_redis", "cmd_timeout", 1500) # default 1000ms/1sec | |
| #### $mb message debugging (see event-routes) | |
| #!ifdef WITH_MB_DEBUG | |
| modparam("corex", "network_io_intercept", 1) | |
| modparam("corex", "min_msg_len", 32) | |
| #!endif | |
| #!ifdef WITH_TOPOS | |
| modparam("topos", "storage", "redis") | |
| modparam("topos_redis", "serverid", "sbc01") | |
| modparam("topos", "branch_expire", 14400) | |
| modparam("topos", "dialog_expire", 14400) | |
| modparam("topos", "clean_interval", 60) | |
| #!endif | |
| # ----------------- setting module-specific parameters --------------- | |
| #modparam("path", "use_received", 1) | |
| # ----- jsonrpcs params ----- | |
| modparam("jsonrpcs", "pretty_format", 1) | |
| /* set the path to RPC fifo control file */ | |
| modparam("jsonrpcs", "fifo_name", "/var/run/kamailio/kamailio_rpc.fifo") | |
| /* set the path to RPC unix socket control file */ | |
| #modparam("jsonrpcs", "dgram_socket", "/var/run/kamailio/kamailio_rpc.sock") | |
| # ----- ctl params ----- | |
| /* set the path to RPC unix socket control file */ | |
| # modparam("ctl", "binrpc", "unix:/var/run/kamailio/kamailio_ctl") | |
| # ----- sanity params ----- | |
| modparam("sanity", "autodrop", 0) | |
| # ----- 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", 1) | |
| # ----- 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=$rd") | |
| #!endif | |
| # ----- usrloc params ----- | |
| /* enable DB persistency for location entries */ | |
| #!ifdef WITH_USRLOCDB | |
| modparam("usrloc", "db_url", DBURL) | |
| modparam("usrloc", "db_mode", 2) | |
| modparam("usrloc", "use_domain", MULTIDOMAIN) | |
| #!endif | |
| # ----- auth_db params ----- | |
| #!ifdef WITH_AUTH | |
| modparam("auth_db", "db_url", DBURL) | |
| modparam("auth_db", "calculate_ha1", yes) | |
| modparam("auth_db", "password_column", "password") | |
| modparam("auth_db", "load_credentials", "") | |
| modparam("auth_db", "use_domain", MULTIDOMAIN) | |
| # ----- permissions params ----- | |
| #!ifdef WITH_IPAUTH | |
| modparam("permissions", "db_url", DBURL) | |
| modparam("permissions", "db_mode", 1) | |
| #!endif | |
| #!endif | |
| # ----- alias_db params ----- | |
| #!ifdef WITH_ALIASDB | |
| modparam("alias_db", "db_url", DBURL) | |
| modparam("alias_db", "use_domain", MULTIDOMAIN) | |
| #!endif | |
| # ----- speeddial params ----- | |
| #!ifdef WITH_SPEEDDIAL | |
| modparam("speeddial", "db_url", DBURL) | |
| modparam("speeddial", "use_domain", MULTIDOMAIN) | |
| #!endif | |
| # ----- domain params ----- | |
| #!ifdef WITH_MULTIDOMAIN | |
| modparam("domain", "db_url", DBURL) | |
| /* register callback to match myself condition with domains list */ | |
| modparam("domain", "register_myself", 1) | |
| #!endif | |
| #!ifdef WITH_PRESENCE | |
| # ----- presence params ----- | |
| modparam("presence", "db_url", DBURL) | |
| # ----- presence_xml params ----- | |
| modparam("presence_xml", "db_url", DBURL) | |
| modparam("presence_xml", "force_active", 1) | |
| #!endif | |
| #!ifdef WITH_NAT | |
| # ----- rtpproxy params ----- | |
| modparam("rtpengine", "rtpengine_sock", "udp:127.0.0.1:2223") | |
| #modparam("rtpengine", "extra_id_pv", "$avp(extra_id)") | |
| #!ifdef WITH_SDP_REWRITE | |
| modparam("rtpengine", "read_sdp_pv", "$avp(sdp)") | |
| #!endif | |
| # ----- nathelper params ----- | |
| modparam("nathelper", "natping_interval", 30) | |
| modparam("nathelper", "ping_nated_only", 1) | |
| modparam("nathelper", "sipping_bflag", FLB_NATSIPPING) | |
| modparam("nathelper", "sipping_from", "sip:pinger@kamailio.org") | |
| # params needed for NAT traversal in other modules | |
| modparam("nathelper|registrar", "received_avp", "$avp(RECEIVED)") | |
| modparam("usrloc", "nat_bflag", FLB_NATB) | |
| #!endif | |
| #!ifdef WITH_TLS | |
| # ----- tls params ----- | |
| modparam("tls", "config", "/etc/kamailio/tls.cfg") | |
| #!endif | |
| #!ifdef WITH_ANTIFLOOD | |
| # ----- pike params ----- | |
| modparam("pike", "sampling_time_unit", 2) | |
| modparam("pike", "reqs_density_per_unit", 16) | |
| modparam("pike", "remove_latency", 4) | |
| # ----- htable params ----- | |
| /* ip ban htable with autoexpire after 5 minutes */ | |
| modparam("htable", "htable", "ipban=>size=8;autoexpire=300;") | |
| #!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 | |
| remove.prack = 1 desc "1 true - 0 false" | |
| mylog.logint = 1 desc "on the fly logging" | |
| # sendsocket for homer | |
| #!ifdef WITH_HOMER | |
| #!substdef "!MY_HOMER_CAPTURE!sip:MY_HOMER_IP_ADDR:MY_HOMER_PORT!g" | |
| #!substdef "!MY_LOCAL_SENDSOCK!sip:MY_PRV_IP:MY_LOCAL_SEND_PORT!g" | |
| #!substdef "!MY_LOCAL_SENDLISTEN!udp:MY_PRV_IP:MY_LOCAL_SEND_PORT!g" | |
| socket_workers=2 | |
| listen=MY_LOCAL_SENDLISTEN | |
| #!endif | |
| #!ifdef WITH_HOMER | |
| #Siptrace | |
| modparam("siptrace", "force_send_sock", "MY_LOCAL_SENDSOCK") | |
| modparam("siptrace", "duplicate_uri", "MY_HOMER_CAPTURE") | |
| modparam("siptrace", "hep_mode_on", 1) | |
| modparam("siptrace", "hep_version", 3) | |
| modparam("siptrace", "trace_to_database", 0) | |
| modparam("siptrace", "trace_flag", 22) | |
| modparam("siptrace", "trace_on", 1) | |
| # old hep v2 allows 32767 max as hep_capture_id | |
| modparam("siptrace", "hep_capture_id", 9) | |
| #!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 { | |
| #!ifdef WITH_HOMER | |
| # start duplicate the SIP message here | |
| sip_trace(); | |
| setflag(22); | |
| #!endif | |
| # per request initial checks | |
| route(REQINIT); | |
| # NAT detection | |
| route(NATDETECT); | |
| # CANCEL processing | |
| if (is_method("CANCEL")) { | |
| if (t_check_trans()) { | |
| route(RELAY); | |
| } | |
| exit; | |
| } | |
| # handle retransmissions | |
| if (!is_method("ACK")) { | |
| if(t_precheck_trans()) { | |
| t_check_trans(); | |
| exit; | |
| } | |
| t_check_trans(); | |
| } | |
| # handle requests within SIP dialogs | |
| route(WITHINDLG); | |
| ### only initial requests (no To tag) | |
| # 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")) { | |
| # alternative to record_route to present the correct route-header to outside | |
| # important for MS-Teams connections | |
| $var(mediagroup) = allow_address_group($Ri, 0); | |
| # Group == 1 - 100 - internal GROUP IP | |
| # from address database | |
| if($var(mediagroup) < 100) { | |
| if ($sel(cfg_get.mylog.logint) > 0) { | |
| xlog("L_INFO", "[REQUEST] FROM INTERNAL --> INVITE rU: <$rU> rd: <$rd> var(mediagroup): <$var(mediagroup)> \n"); | |
| } | |
| record_route_preset("SBC_DNS_NAME:5061;transport=tls", "$Ri:5060"); | |
| } else { | |
| if ($sel(cfg_get.mylog.logint) > 0) { | |
| xlog("L_INFO", "[REQUEST] FROM EXTERNAL --> INVITE rU: <$rU> rd: <$rd> var(mediagroup): <$var(mediagroup)> \n"); | |
| } | |
| record_route(); | |
| } | |
| } | |
| # account only INVITEs | |
| if (is_method("INVITE")) { | |
| setflag(FLT_ACC); # do accounting | |
| route(REMOVE_PRACK); | |
| } | |
| route(TLS_AUTH); | |
| # dispatch requests to foreign domains | |
| # route(SIPOUT); | |
| ### requests for my local domains | |
| if ($rU==$null) { | |
| # request with no Username in RURI | |
| sl_send_reply("484","Address Incomplete"); | |
| exit; | |
| } | |
| } | |
| # Wrapper for relaying requests | |
| route[RELAY] { | |
| if (is_method("ACK") && has_body("application/sdp")) { | |
| route(MEDIAPROXY); | |
| } | |
| # enable additional event routes for forwarded requests | |
| # - serial forking, RTP relaying handling, a.s.o. | |
| if (is_method("INVITE|BYE|SUBSCRIBE|UPDATE")) { | |
| if(!t_is_set("branch_route")) t_on_branch("MANAGE_BRANCH"); | |
| } | |
| if (is_method("INVITE|SUBSCRIBE|UPDATE")) { | |
| if(!t_is_set("onreply_route")) t_on_reply("MANAGE_REPLY"); | |
| } | |
| if (is_method("INVITE")) { | |
| if(!t_is_set("failure_route")) t_on_failure("MANAGE_FAILURE"); | |
| } | |
| if (!t_relay()) { | |
| sl_reply_error(); | |
| } | |
| exit; | |
| } | |
| # Per SIP request initial checks | |
| route[REQINIT] { | |
| # no connect for sending replies | |
| set_reply_no_connect(); | |
| #!ifdef WITH_ANTIFLOOD | |
| # flood detection 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; | |
| } | |
| } | |
| #!endif | |
| if($ua =~ "friendly-scanner|sipcli|sipvicious|VaxSIPUserAgent") { | |
| # silent drop for scanners - uncomment next line if want to reply | |
| # sl_send_reply("200", "OK"); | |
| exit; | |
| } | |
| 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("17895", "7")) { | |
| xlog("Malformed SIP request from $si:$sp\n"); | |
| exit; | |
| } | |
| } | |
| # Handle requests within SIP dialogs | |
| route[WITHINDLG] { | |
| if (!has_totag()) return; | |
| # sequential request withing a dialog should | |
| # take the path determined by record-routing | |
| if (loose_route()) { | |
| 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 statelessly | |
| 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; | |
| } | |
| route[MEDIAPROXY] { | |
| if(is_method("REGISTER|SUBSCRIBE|OPTIONS") || $rm=~ "^(REGISTER|SUBSCRIBE|OPTIONS)") { | |
| return; | |
| } | |
| if(is_method("INVITE") && $rs == $null && !has_totag()) { | |
| #Match any port | |
| $var(mediagroup) = allow_address_group($Ri, 0); | |
| xlog("L_INFO", "[MEDIAPROXY] INVITE rU: <$rU> rd: <$rd> var(mediagroup): <$var(mediagroup)> \n"); | |
| if ($var(mediagroup) == -1) { | |
| xlog("IP not activated for trunks [1] IP:[$Ri] Port:[$Rp] Src: [$si]\n"); | |
| append_to_reply("P-SBC-Error: ip trunks not registered [$Ri] [$Rp] [$si]\r\n"); | |
| sl_send_reply("500","IP not registered for media"); | |
| exit; | |
| } | |
| #Group == 1 - 100 - internal GROUP IP | |
| if($var(mediagroup) < 100) { | |
| $var(destgroup) = $var(mediagroup) + 100; | |
| #!ifdef WITH_SDP_REWRITE | |
| sdp_get("$avp(sdp)"); | |
| if ( !strempty($sel(cfg_get.proxygw.detail)) ) { | |
| avp_subst("$avp(sdp)","/(^s=Lin.*)/s=$sel(cfg_get.proxygw.detail)\r/"); | |
| } | |
| #!endif | |
| $var(flags) = "codec-mask=SILK replace-session-connection replace-origin"; | |
| $var(flags) = $var(flags) + " ICE=remove direction=" + $var(mediagroup) + " direction=" + $var(destgroup); | |
| # $var(flags) = "codec-mask=SIKL replace-session-connection replace-origin ICE=remove direction=$var(mediagroup) direction=$var(destgroup)"; | |
| if ($ru =~ "transport=tls") { | |
| $var(flags) = $var(flags) + " RTP/SAVP"; | |
| xlog("[MEDIAPROXY] REQUEST transport=tls $var(flags) \n"); | |
| } | |
| xlog("[MEDIAPROXY] Group 1-100 received message protocoll: <$proto> Protocoll-id <$prid> direction=$var(mediagroup) direction=$var(destgroup) $var(flags)\n"); | |
| rtpengine_manage($var(flags)); | |
| add_rr_param(";proxy_media=yes"); | |
| } | |
| #Group > 100 = external | |
| else if($var(mediagroup) >= 100) { | |
| $var(destgroup) = $var(mediagroup) - 100; | |
| #!ifdef WITH_SDP_REWRITE | |
| sdp_get("$avp(sdp)"); | |
| if ( !strempty($sel(cfg_get.proxygw.detail)) ) { | |
| #xlog("L_INFO","2-REWRITE SDP Server $avp(sdp)!\n"); | |
| avp_subst("$avp(sdp)","/(^s=Lin.*)/s=$sel(cfg_get.proxygw.detail)\r/"); | |
| } | |
| #!endif | |
| $var(flags) = "replace-session-connection replace-origin ICE=remove direction=$var(mediagroup) direction=$var(destgroup) RTP/AVP"; | |
| if (sdp_with_transport_like("AVPF")) { | |
| $var(flags) = "$var(flags)F"; | |
| } | |
| xlog("[MEDIAPROXY] Group > 100 received message protocoll: <$proto> Protocoll-id <$prid> direction=$var(mediagroup) direction=$var(destgroup) $var(flags) \n"); | |
| rtpengine_manage($var(flags)); | |
| add_rr_param(";proxy_media=yes"); | |
| #xlog("L_ALERT","THIS IS INVITE Internal -> External, status [$rs]!\n"); | |
| } | |
| else { | |
| append_to_reply("P-SBC-Error: unknown group [$var(mediagroup)] for sbc [$Ri][$Rp]\r\n"); | |
| sl_send_reply("500","Group not registered"); | |
| } | |
| } | |
| else if(is_method("INVITE") && $rs == $null && has_totag()) { | |
| #!ifdef WITH_SDP_REWRITE | |
| sdp_get("$avp(sdp)"); | |
| if ( !strempty($sel(cfg_get.proxygw.detail)) ) { | |
| #xlog("L_INFO","3-REWRITE SDP Server $avp(sdp)!\n"); | |
| avp_subst("$avp(sdp)","/(^s=Lin.*)/s=$sel(cfg_get.proxygw.detail)\r/"); | |
| } | |
| #!endif | |
| # REINVITE ONLY FROM OUTSIDE to INSIDE | |
| $var(flags) = "replace-session-connection replace-origin"; | |
| # proto is tls, so internal is RTP | |
| if ($proto =~ "tls") { | |
| $var(flags) = $var(flags) + " RTP/AVP"; | |
| } | |
| # Request uri is transport=tls so SRTP is needed | |
| if ($ru =~ "transport=tls") { | |
| $var(flags) = $var(flags) + " RTP/SAVP"; | |
| } | |
| rtpengine_offer($var(flags)); | |
| #xlog("L_ALERT", "[MEDIAPROXY] -----> Group ? [$ds][$du] [$ru] [$Ri][$Rp][$si] received message protocoll: <$proto> Protocoll-id <$prid> var(flags) <$var(flags)>\n"); | |
| #xlog("L_ALERT", "DO reINVITE offer!!\n"); | |
| } | |
| else { | |
| #!ifdef WITH_SDP_REWRITE | |
| sdp_get("$avp(sdp)"); | |
| #xlog("[MEDIAPROXY] Group ? received message protocoll: <$proto> Protocoll-id <$prid>\n"); | |
| if ( !strempty($sel(cfg_get.proxygw.detail)) ) { | |
| #xlog("L_INFO","4-REWRITE SDP Server $avp(sdp)!\n"); | |
| avp_subst("$avp(sdp)","/(^s=Lin.*)/s=$sel(cfg_get.proxygw.detail)\r/"); | |
| } | |
| #!endif | |
| if(sdp_with_transport("RTP/SAVP")){ | |
| # the session has a SRTP/SAVP stream | |
| xlog("L_ALERT","[$rs] [$rm] HAS SRTP/SAVP !\n"); | |
| } | |
| $var(flags) = "replace-session-connection replace-origin ICE=remove"; | |
| rtpengine_manage($var(flags)); | |
| xlog("L_ALERT","THIS IS status [$rs] [$rm] $var(flags) !\n"); | |
| } | |
| return; | |
| } | |
| # Handle SIP registrations | |
| route[REGISTRAR] { | |
| if (!is_method("REGISTER")) return; | |
| if(isflagset(FLT_NATS)) { | |
| setbflag(FLB_NATB); | |
| #!ifdef WITH_NATSIPPING | |
| # do SIP NAT pinging | |
| setbflag(FLB_NATSIPPING); | |
| #!endif | |
| } | |
| if (!save("location")) { | |
| sl_reply_error(); | |
| } | |
| exit; | |
| } | |
| # User location service | |
| route[LOCATION] { | |
| return; | |
| } | |
| # Presence server processing | |
| route[PRESENCE] { | |
| if(!is_method("PUBLISH|SUBSCRIBE")) return; | |
| if(is_method("SUBSCRIBE") && $hdr(Event)=="message-summary") { | |
| # 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; | |
| } | |
| route[TLS_AUTH] { | |
| #!ifdef WITH_TLS_AUTH | |
| xlog("L_ALERT", "This request come from [$si]!\n"); | |
| if($proto =~ "tls") { | |
| xlog("L_INFO", "-----------> tls_peer_subject <$tls_peer_subject> tls_peer_subject_cn <$tls_peer_subject_cn> tls_peer_verified <$tls_peer_verified> tls_peer_server_name <$tls_peer_server_name> \n"); | |
| xlog("L_INFO", "-----------> $Ri:$Rp src_user=$fU src_domain=$fd src_ip=$si dst_ouser=$tU dst_user=$rU dst_domain=$rd\n"); | |
| if($tls_peer_verified == -1) { | |
| xlog("L_INFO", "[TLS_AUTH] tls_peer_subject_cn $tls_peer_subject_cn is NOT verfied!\n"); | |
| return; | |
| } | |
| $var(dns) = $tls_peer_subject_cn; | |
| } else { | |
| $var(dns) = "tls-trunk-["+$Ri+"]-["+$si+"].sbc"; | |
| } | |
| $var(group) = allow_address_group($var(dns), $Rp); | |
| xlog("L_INFO", "-----------> allow_address_group var(group) $var(group) var(dns) $var(dns) Rp $Rp\n"); | |
| if ($var(group) == -1) { | |
| xlog("L_INFO", "[TLS_AUTH] Trunk is not activate for registrar DNS_GROUP:[$var(dns)], Source: [$si], Destination: [$Ri] Port:[$Rp]\n"); | |
| return; | |
| } | |
| xlog("L_INFO", "[TLS_AUTH] Trunk is ACTIVE [$var(group)] DNS_GROUP:[$var(dns)], Source: [$si], Destination: [$Ri] Port:[$Rp]\n"); | |
| if(ds_is_from_list("$var(group)")) { | |
| $var(setid) = $(var(group){s.int}); | |
| xlog("L_INFO", "[TLS_AUTH] INCOMING FROM: $var(attrs) and $var(setid)\n"); | |
| #TRUNK UN2TR | |
| if($var(setid) >= 1000 && $var(setid) < 2000) | |
| { | |
| #TOPOS | |
| route(TOPOLOGYHIDE); | |
| $var(destgroup) = $var(setid) + 1000; | |
| if(!ds_select_domain("$var(destgroup)", "8")) | |
| { | |
| xlog("There is no destination $var(destgroup)\n"); | |
| append_to_reply("P-SBC-Error: b leg trunks is not available $var(destgroup)\r\n"); | |
| sl_send_reply("500","B-Trunk is not available"); | |
| exit; | |
| } | |
| xlog("L_INFO", "USING: UN2TR $var(destgroup)\n"); | |
| append_hf("X-Group-SBC: $var(destgroup)\r\n"); | |
| append_hf("X-Routing-SBC: un2tr-cgn-trunk\r\n"); | |
| route(RELAY); | |
| exit; | |
| } | |
| #TRUNK TR2UN | |
| else if($var(setid) >= 2000 && $var(setid) < 3000) | |
| { | |
| #TOPOS | |
| route(TOPOLOGYHIDE); | |
| $var(destgroup) = $var(setid) - 1000; | |
| xlog("L_INFO", "routing to $var(destgroup) with algo 9\n"); | |
| if(!ds_select_domain("$var(destgroup)", "9")) | |
| { | |
| xlog("There is no destination $var(destgroup)\n"); | |
| append_to_reply("P-SBC-Error: a leg trunks is not available $var(destgroup)\r\n"); | |
| sl_send_reply("500","A-Trunk is not available"); | |
| exit; | |
| } | |
| xlog("L_INFO", "USING: TR2UN $var(access_socket) and $var(destgroup)\n"); | |
| append_hf("X-Group-SBC: $var(destgroup)\r\n"); | |
| append_hf("X-Routing-SBC: tr2un\r\n"); | |
| route(RELAY); | |
| exit; | |
| } | |
| else { | |
| xlog("There is no destination for trunk $var(setid), $var(group)\n"); | |
| append_to_reply("P-SBC-Error: wrong trunk group $var(setid) $var(group)\r\n"); | |
| sl_send_reply("500","Wrong trunk group"); | |
| exit; | |
| } | |
| } | |
| #!endif | |
| } | |
| # IP authorization and user authentication | |
| route[AUTH] { | |
| #!ifdef WITH_AUTH | |
| #!ifdef WITH_IPAUTH | |
| if((!is_method("REGISTER")) && allow_source_address()) { | |
| # source IP allowed | |
| return; | |
| } | |
| #!endif | |
| if (is_method("REGISTER") || from_uri==myself) { | |
| # authenticate requests | |
| if (!auth_check("$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; | |
| } | |
| #!else | |
| # authentication not enabled - do not relay at all to foreign networks | |
| if(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 signaling updates for NAT traversal | |
| route[NATMANAGE] { | |
| #!ifdef WITH_NAT | |
| if (is_request()) { | |
| if(has_totag()) { | |
| if(check_route_param("nat=yes")) { | |
| setbflag(FLB_NATB); | |
| } | |
| } | |
| } | |
| route(MEDIAPROXY); | |
| if (!(isflagset(FLT_NATS) || isbflagset(FLB_NATB))) return; | |
| 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(); | |
| } | |
| } | |
| if(isbflagset(FLB_NATB)) { | |
| # no connect message in a dialog involving NAT traversal | |
| if (is_request()) { | |
| if(has_totag()) { | |
| set_forward_no_connect(); | |
| } | |
| } | |
| } | |
| #!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 routing 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; | |
| } | |
| # normalize target number for pstn gateway | |
| # - convert leading 00 to + | |
| if (starts_with("$rU", "00")) { | |
| strip(2); | |
| prefix("+"); | |
| } | |
| if (strempty($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) + ":" | |
| + $sel(cfg_get.pstn.gw_port); | |
| } | |
| route(RELAY); | |
| exit; | |
| #!endif | |
| return; | |
| } | |
| route[REMOVE_PRACK] { | |
| if ($sel(cfg_get.remove.prack) == 1) { | |
| if (is_present_hf("Supported")) { | |
| if ( exclude_hf_value("Supported", "100rel") ) { | |
| if ($sel(cfg_get.mylog.logint) > 0) { | |
| xlog("L_INFO", "[$rm] [$ci] remove 100rel\n"); | |
| } | |
| return; | |
| } | |
| } | |
| } | |
| return; | |
| } | |
| route[TOPOLOGYHIDE] { | |
| if(is_method("INVITE") && !strempty($sel(cfg_get.topology.hostname_hide))) | |
| { | |
| if(defined $fU && !strempty($fU)) { | |
| $var(from)="sip:"+$fU+"@"+$sel(cfg_get.topology.hostname_hide); | |
| } | |
| else { | |
| $var(from)="sip:"+$sel(cfg_get.topology.hostname_hide); | |
| } | |
| if(defined $tU && !strempty($tU)) { | |
| $var(to)="sip:"+$tU+"@"+$sel(cfg_get.topology.hostname_hide); | |
| } | |
| else { | |
| $var(to)="sip:"+$sel(cfg_get.topology.hostname_hide); | |
| } | |
| uac_replace_from("$var(from)"); | |
| uac_replace_to("$var(to)"); | |
| } | |
| } | |
| # 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 ($hdr(User-Agent) =~ "xmlrpclib") | |
| set_reply_close(); | |
| set_reply_no_connect(); | |
| dispatch_rpc(); | |
| exit; | |
| } | |
| send_reply("403", "Forbidden"); | |
| exit; | |
| } | |
| #!endif | |
| # Manage outgoing branches | |
| branch_route[MANAGE_BRANCH] { | |
| xdbg("new branch [$T_branch_idx] to $ru\n"); | |
| route(NATMANAGE); | |
| } | |
| # Manage incoming replies | |
| reply_route { | |
| if(!sanity_check("17604", "6")) { | |
| xlog("Malformed SIP response from $si:$sp\n"); | |
| drop; | |
| } | |
| } | |
| # Manage incoming replies in transaction context | |
| onreply_route[MANAGE_REPLY] { | |
| xdbg("incoming reply\n"); | |
| if(status=~"[12][0-9][0-9]") { | |
| route(NATMANAGE); | |
| } | |
| } | |
| # 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_BLOCK401407 | |
| # block call redirect based on 401, 407 replies. | |
| if (t_check_status("401|407")) { | |
| t_reply("404","Not found"); | |
| exit; | |
| } | |
| #!endif | |
| } | |
| event_route[tm:local-request] { | |
| #!ifdef SBC_DNS_NAME | |
| if(is_method("OPTIONS") && $ru =~ "pstnhub.microsoft.com") { | |
| append_hf("Contact: <sip:SBC_DNS_NAME:5061;transport=tls>\r\n"); | |
| } | |
| #!endif | |
| # xlog("L_INFO", "Sent out tm request: $mb\n"); | |
| } | |
| #!ifdef WITH_MB_DEBUG | |
| event_route[network:msg] { | |
| if (is_incoming()) { | |
| xlog("L_INFO", "Received message '$mb' \n"); | |
| } else { | |
| xlog("L_INFO", "Sending message '$mb' \n"); | |
| } | |
| } | |
| #!endif | |
| #!ifdef WITH_DROP_TOPOS | |
| event_route[topos:msg-outgoing] { | |
| if($sndto(ip)=="172.20.120.59") { | |
| xlog("L_ERR", "NOT SEND TOPOS TO $sndto(ip)\n"); | |
| drop; | |
| } | |
| } | |
| #!endif |
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