Module: sip-router Branch: pd/websocket Commit: dc7fa93f2e60efd2f7d428762590fa313e3fe91f URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=dc7fa93f...
Author: Peter Dunkley peter.dunkley@crocodile-rcs.com Committer: Peter Dunkley peter.dunkley@crocodile-rcs.com Date: Sat Jun 30 00:02:29 2012 +0100
modules/websocket: improved sample kamailio.cfg for WebSockets
---
modules/websocket/example/kamailio.cfg | 144 ++++++++++++++++++++++--------- 1 files changed, 102 insertions(+), 42 deletions(-)
diff --git a/modules/websocket/example/kamailio.cfg b/modules/websocket/example/kamailio.cfg index c5bfb88..48cfa4a 100644 --- a/modules/websocket/example/kamailio.cfg +++ b/modules/websocket/example/kamailio.cfg @@ -1,32 +1,52 @@ #!KAMAILIO +# +# Simple/sample kamailio.cfg for running a proxy/registrar with TLS and +# WebSockets support. + +#!substdef "!DBURL!sqlite:///db.sqlite!g" +#!substdef "!MY_IP_ADDR!192.168.111.136!g" +#!substdef "!MY_WS_PORT!80!g" +#!substdef "!MY_WSS_PORT!443!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 LOCAL_TEST_RUN +#!define WITH_TLS +#!define WITH_WEBSOCKETS
-#!define DBURL "sqlite:////etc/kamailio/db.sqlite"
####### Global Parameters #########
-debug=2 fork=yes children=4
-enable_tls=1 - alias="example.com"
-listen=192.168.111.2:5060 -listen=tcp:192.168.111.2:80 +#!ifdef WITH_TLS +enable_tls=1 +#!endif
-listen=tls:192.168.111.2:5061 -listen=tls:192.168.111.2:443 +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 - -enable_tls=1 +tcp_rd_buf_size=16384
syn_branch=0
-#mpath="/usr/lib64/kamailio/modules_k/:/usr/lib64/kamailio/modules/" +#!ifdef LOCAL_TEST_RUN +debug=2 mpath="modules_k:modules" +#!else +debug=0 +mpath="/usr/lib64/kamailio/modules_k/:/usr/lib64/kamailio/modules/" +#!endif
loadmodule "db_sqlite.so" loadmodule "tm.so" @@ -43,11 +63,16 @@ loadmodule "sanity.so" loadmodule "ctl.so" loadmodule "auth.so" loadmodule "auth_db.so" -loadmodule "xhttp.so" loadmodule "kex.so" -loadmodule "websocket.so" loadmodule "mi_rpc.so" +#!ifdef WITH_TLS loadmodule "tls.so" +#!endif +#!ifdef WITH_WEBSOCKETS +loadmodule "xhttp.so" +loadmodule "websocket.so" +loadmodule "nathelper.so" +#!endif
# ----------------- setting module-specific parameters ---------------
@@ -71,51 +96,72 @@ modparam("registrar", "max_expires", 3600) modparam("registrar", "gruu_enabled", 0)
# ----- usrloc params ----- -modparam("usrloc", "db_url", DBURL) +modparam("usrloc", "db_url", "DBURL") modparam("usrloc", "db_mode", 0)
# ----- auth_db params ----- -modparam("auth_db", "db_url", DBURL) +modparam("auth_db", "db_url", "DBURL") modparam("auth_db", "calculate_ha1", yes) modparam("auth_db", "password_column", "password") modparam("auth_db", "load_credentials", "")
-# ----- websocket params ----- -modparam("websocket", "keepalive_timeout", 30) - +#!ifdef WITH_TLS # ----- tls params ----- modparam("tls", "tls_method", "SSLv23") modparam("tls", "certificate", "CA/ser1_cert.pem") modparam("tls", "private_key", "CA/privkey.pem") modparam("tls", "ca_list", "CA/calist.pem") +#!endif
-####### Routing Logic ######## +#!ifdef WITH_WEBSOCKETS +# ----- websocket params ----- +modparam("websocket", "keepalive_timeout", 30)
+# ----- nathelper params ----- +modparam("nathelper|registrar", "received_avp", "$avp(RECEIVED)") +# Note: leaving NAT pings turned off here as nathelper is _only_ being used for +# WebSocket connections. NAT pings are not needed as WebSockets have +# their own keep-alives. +#!endif + + +####### Routing Logic ########
# Main SIP request routing logic # - processing of any incoming SIP request starts with this route # - note: this is the same as route { ... } request_route {
- if ($rm == "OPTIONS") - { - force_rport(); - $du = "sip:192.168.111.2:5080;transport=udp"; - forward(); - exit; - } - # per request initial checks route(REQINIT);
+#!ifdef WITH_WEBSOCKETS + if (nat_uac_test(64)) { + # Do NAT traversal stuff for requests from a WebSocket + # connection - even if it is not behind a NAT! + # This won't be needed in the future if Kamailio and the + # WebSocket client support outbound. + force_rport(); + if (is_method("REGISTER")) + fix_nated_register(); + else { + if (!add_contact_alias()) { + xlog("L_ERR", "Error aliasing contact <$ct>\n"); + sl_send_reply("400", "Bad Request"); + exit; + } + t_on_reply("WS_REPLY"); + } + } +#!endif + # handle requests within SIP dialogs route(WITHINDLG);
### only initial requests (no To tag)
# CANCEL processing - if (is_method("CANCEL")) - { + if (is_method("CANCEL")) { if (t_check_trans()) t_relay(); exit; @@ -129,14 +175,13 @@ request_route { # record routing for dialog forming requests (in case they are routed) # - remove preloaded route headers remove_hf("Route"); - if (is_method("INVITE|SUBSCRIBE")) + if (is_method("INVITE")) record_route();
# handle registrations route(REGISTRAR);
- if ($rU==$null) - { + if ($rU==$null) { # request with no Username in RURI sl_send_reply("484","Address Incomplete"); exit; @@ -162,8 +207,7 @@ route[REQINIT] { exit; }
- if(!sanity_check("1511", "7")) - { + if(!sanity_check("1511", "7")) { xlog("Malformed SIP message from $si:$sp\n"); exit; } @@ -175,6 +219,15 @@ route[WITHINDLG] { # 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(RELAY); } else { if ( is_method("ACK") ) { @@ -198,8 +251,7 @@ route[WITHINDLG] {
# Handle SIP registrations route[REGISTRAR] { - if (is_method("REGISTER")) - { + if (is_method("REGISTER")) { if (!save("location")) sl_reply_error();
@@ -226,28 +278,35 @@ route[LOCATION] {
# Authentication route route[AUTH] { - if (is_method("REGISTER") || from_uri==myself) - { + 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")) + if(!is_method("REGISTER")) 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) - { + if (from_uri!=myself && uri!=myself) { sl_send_reply("403","Not relaying"); exit; } }
+#!ifdef WITH_WEBSOCKETS +onreply_route[WS_REPLY] { + # 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. + add_contact_alias(); +} + event_route[xhttp:request] { - if ($Rp != "80" && $Rp != "443") { + if ($Rp != MY_WS_PORT && $Rp != MY_WSS_PORT) { xlog("L_WARN", "HTTP request received on $Rp\n"); xhttp_reply("403", "Forbidden", "", ""); exit; @@ -276,3 +335,4 @@ event_route[xhttp:request] {
xhttp_reply("404", "Not found", "", ""); } +#!endif
-
Peter Dunkley