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kamailio/modules/iptrtpproxy/oob/sip-router-oob-RTPPROXY.cfg...

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--- /root/sip-router/etc/sip-router-oob.cfg 2011-04-05 21:11:22.000000000 +0200
+++ sip-router-oob-RTPPROXY.cfg-pre_flexroute 2011-04-05 21:03:19.000000000 +0200
@@ -283,23 +287,11 @@
#
session_timer.min_se = "90" desc "minimum session interval (in s)"
-# RTP Proxy options
-#
-# Whether to enable or disable the rtp proxy. Possible values are:
-# "0" -- always disable
-# "1" -- always enable regardless of whether UAC or UAS is behind NAT
-# "detect" -- detect whether the UAC or the UAS is behind NAT,
-# and enable the rtp proxy when necessary
-#
-#DEBCONF-RTP_ENABLE-START
-rtp_proxy.enabled = "detect" desc "indicates whether the RTP Proxy is enabled or not (0/1/detect)"
-#DEBCONF-RTP_ENABLE-END
-
# ------------------ Module Loading -----------------------------------------
#!ifdef LOCAL_TEST_RUN
loadpath "modules:modules_s"
#!else
-loadpath "/usr/lib/sip-router/modules:/usr/lib/sip-router/modules_s"
+loadpath "/usr/local/lib/ser/modules:/usr/local/lib/ser/modules_s"
#!endif
# load a SQL database for authentication, domains, user AVPs etc.
@@ -457,7 +449,7 @@
modparam("rr", "enable_full_lr", 1)
# Limit the length of the AVP cookie to necessary attributes only
-modparam("rr", "cookie_filter", "(account|rproxy|stimer|dialog_id)")
+modparam("rr", "cookie_filter", "(account|stimer|dialog_id)")
# You probably do not want that someone can simply read and change
# the AVP cookie in your Routes, thus should really change this
@@ -467,7 +459,7 @@
# The ftag Route parameter may be used to easily determine if a BYE
# is coming from caller or callee, but we prefer shorter messages
# Enable when FLAG_REVERSE_DIR is to be used
-modparam("rr", "append_fromtag", 0)
+modparam("rr", "append_fromtag", 1)
# -- gflags --
@@ -529,7 +521,7 @@
# RTP Proxy address
#DEBCONF-RTTPPROXY-START
-modparam("nathelper", "rtpproxy_sock", "udp:127.0.0.1:22222")
+#modparam("nathelper", "rtpproxy_sock", "udp:127.0.0.1:22222")
#DEBCONF-RTTPPROXY-END
# TCP keepalives as simple as CRLF
@@ -649,7 +641,7 @@
route(PSTN);
# nothing matched
- sl_reply("404", "No route matched");
+ t_reply("404", "No route matched");
}
# Forward a request to the destination set.
@@ -668,7 +660,8 @@
# If this is an initial INVITE (without a To-tag) we might try
# another target (call forwarding or voicemail) after receiving
# an error.
- if (isflagset(FLAG_INIT_DLG)) {
+ # and also for RTPPROXY processing
+ if (method=="INVITE" || method == "UPDATE") {
t_on_failure("FAILURE_ROUTE");
}
@@ -682,7 +675,7 @@
# Activate the RTP proxy as the second last step because it modifies the
# body but also sets an dialog AVP cookie.
- route(RTPPROXY);
+ route(RTPPROXY_PROCESS_REQUEST);
# Insert a Record-Route header into all requests.
# This has to be done as one of the last steps to include all the
@@ -742,10 +735,10 @@
# if needed then we MUST put after force_rport() which is located in NAT_DETECTION!!!
# also must be called after FLAG_ACC is set !!!
# Check t_reply() vs. sl_reply() usage in script
- #if (!t_newtran()) {
- # sl_reply("500", "Internal tm error");
- # drop;
- #}
+ if (!t_newtran()) {
+ sl_reply("500", "Internal tm error");
+ drop;
+ }
# Set flag and use it instead of the attribute.
if ($replicate==1) {
@@ -765,6 +758,7 @@
(uri == myself || $t.did != ""))
{
options_reply();
+ t_release();
drop;
}
}
@@ -879,47 +873,7 @@
}
}
-
-# Activates RTP proxy if necessary.
-#
-route[RTPPROXY]
-{
- if (@cfg_get.rtp_proxy.enabled == "0") {
- # RTP Proxy is disabled
- break;
- } else if (@cfg_get.rtp_proxy.enabled == "detect") {
- if (!isflagset(FLAG_NAT)) {
- # If no NAT is involved we don't have to do here anything.
- break;
- }
- } else if (@cfg_get.rtp_proxy.enabled != "1") {
- # This is not a valid setting
- xlog("L_ERR", "Unknown option for rtp_proxy.enabled: %@cfg_get.rtp_proxy.enabled\n");
- break;
- } # else rtp proxy is permanently enabled
-
- # If the message terminates a dialog for which the RTP proxy
- # was turned on, turn it off again.
- if ((method == "BYE" && isflagset(FLAG_RTP_PROXY)) ||
- (method == "CANCEL")) {
- unforce_rtp_proxy();
- append_hf("P-RTP-Proxy: Off\r\n");
- break;
- }
-
- # Turn the RTP proxy on for INVITEs and UPDATEs, if they
- # have a body
- if (((method=="INVITE" || method == "UPDATE") && @msg.body != "")
- && !isflagset(FLAG_RTP_PROXY))
- {
- force_rtp_proxy('r');
- append_hf("P-RTP-Proxy: On\r\n");
- setflag(FLAG_RTP_PROXY);
- $rproxy = 1;
- setavpflag($rproxy, "dialog_cookie");
- }
-}
-
+include_file "sip-router-oob-RTPPROXY.cfg.inc"
# Handling of Route headers
#
@@ -934,7 +888,7 @@
xlog("L_DEBUG", "\n%mb\n\ndialogid -/from/to=%$dialog_id/%$f.dialog_id/%$t.dialog_id");
if (method == "INVITE" || method == "UPDATE" || method == "ACK" || method == "BYE") {
if (!defined $dialog_id) {
- sl_reply("400", "Missing cookie");
+ t_reply("400", "Missing cookie");
drop;
}
}
@@ -954,11 +908,6 @@
setflag(FLAG_ACC_MISSED);
}
- # Restore the RTP proxy flag if present
- if ($rproxy == "1") {
- setflag(FLAG_RTP_PROXY);
- }
-
# Restore Session Timer flag and headers.
if ( defined $stimer && ($stimer != "0")) {
route(SESSION_TIMER);
@@ -1039,7 +988,7 @@
# then From b@B and To a@A. There is no mentioning of c@C despite
# legitimate behaviour of c@C).
if (!isflagset(FLAG_TOTAG) && strempty($t.did) && strempty($f.did)) {
- sl_reply("403", "Relaying Forbidden");
+ t_reply("403", "Relaying Forbidden");
drop;
}
}
@@ -1057,6 +1006,7 @@
# If this is a replica (sent to the multicast address), trust it to
# be secure and store it in usrloc
if (dst_ip==224.0.1.75) {
+ t_release();
if (!isflagset(FLAG_REPL_ENABLED)) {
# Multicast replication administratively disabled.
# Ignore.
@@ -1097,13 +1047,13 @@
# Check if the REGISTER if for one of our local domains.
if (strempty($t.did)) {
- sl_reply("403", "Register Forwarding Forbidden");
+ t_reply("403", "Register Forwarding Forbidden");
drop;
}
# The REGISTER target is in the To header, so reload the domain.
if (!lookup_domain("$td", "@to.uri.host")) {
- sl_reply("404", "Unknown Domain");
+ t_reply("404", "Unknown Domain");
drop;
}
@@ -1115,29 +1065,29 @@
# We want only authenticated users to be registered.
if (!www_authenticate("$fd.digest_realm", "credentials")) {
if ($? == -2) {
- sl_reply("500", "Internal Server Error");
+ t_reply("500", "Internal Server Error");
}
else if ($? == -3) {
- sl_reply("400", "Bad Request");
+ t_reply("400", "Bad Request");
}
else {
if ($digest_challenge != "") {
append_to_reply("%$digest_challenge");
}
- sl_reply("401", "Unauthorized");
+ t_reply("401", "Unauthorized");
}
drop;
}
# Check if the authenticated user is the same as the target user.
if (!lookup_user("$tu.uid", "@to.uri")) {
- sl_reply("404", "Unknown user in To");
+ t_reply("404", "Unknown user in To");
drop;
}
# the authentication ID does not match the ID in the To header
if ($f.uid != $t.uid) {
- sl_reply("403", "Authentication and To-Header mismatch");
+ t_reply("403", "Authentication and To-Header mismatch");
drop;
}
@@ -1145,11 +1095,11 @@
# originator. You may uncomment it if you care, which URI is in
# the From header.
#if (!lookup_user("$fr.uid", "@from.uri")) {
- # sl_reply("404", "Unknown user in From");
+ # t_reply("404", "Unknown user in From");
# drop;
#}
#if ($fu.uid != $fr.uid) {
- # sl_reply("403", "Authentication and From-Header mismatch");
+ # t_reply("403", "Authentication and From-Header mismatch");
# drop;
#}
@@ -1158,7 +1108,7 @@
}
# Everything is fine. Store the binding.
if (!save_contacts("location")) {
- sl_reply("400", "Invalid REGISTER Request");
+ t_reply("400", "Invalid REGISTER Request");
drop;
}
# do not delete the following 3 lines, they are used by debconf
@@ -1190,7 +1140,7 @@
#DEBCONF-REPLICATION2-START
#
#DEBCONF-REPLICATION2-END
-
+ t_release();
drop;
}
@@ -1221,16 +1171,16 @@
if (!proxy_authenticate("$fd.digest_realm", "credentials")) {
if ($? == -2) {
- sl_reply("500", "Internal Server Error");
+ t_reply("500", "Internal Server Error");
}
else if ($? == -3) {
- sl_reply("400", "Bad Request");
+ t_reply("400", "Bad Request");
}
else {
if (defined $digest_challenge && $digest_challenge != "") {
append_to_reply("%$digest_challenge");
}
- sl_reply("407", "Proxy Authentication Required");
+ t_reply("407", "Proxy Authentication Required");
}
drop;
}
@@ -1238,11 +1188,11 @@
# Check if the UID derived from authentication matches that from
# the From header.
if (!lookup_user("$fr.uid", "@from.uri")) {
- sl_reply("403", "Fake Identity");
+ t_reply("403", "Fake Identity");
drop;
}
if ($fu.uid != $fr.uid) {
- sl_reply("403", "Fake Identity");
+ t_reply("403", "Fake Identity");
drop;
}
setflag(FLAG_AUTH_OK);
@@ -1274,10 +1224,10 @@
# UA to the real target.
if ($fd.did != "" && uri =~ "sip:[0-9][0-9]@") {
if (sd_lookup("speed_dial")) {
- sl_reply("302", "Speed Dial Redirect");
+ t_reply("302", "Speed Dial Redirect");
}
else {
- sl_reply("404", "Speed Dial Not Found");
+ t_reply("404", "Speed Dial Not Found");
}
drop;
}
@@ -1392,7 +1342,7 @@
# Check permissions of the caller for initial INVITEs.
if (isflagset(FLAG_INIT_DLG)) {
if ($f.gw_acl != "1") {
- sl_reply("403", "PSTN Not Permitted");
+ t_reply("403", "PSTN Not Permitted");
drop;
}
}
@@ -1431,7 +1381,7 @@
xlog("L_DEBUG", "catching cancel dialogid=%$dialog_id\n");
if (!t_relay_cancel()) {
# An INVITE was found but some error occurred.
- sl_reply("500", "Internal Server Error");
+ t_reply("500", "Internal Server Error");
drop;
}
# Bad luck, no corresponding INVITE was found, we have to
@@ -1486,7 +1436,7 @@
# Session interval is lower than the
# configured Min-SE
append_to_reply("Min-SE: %@cfg_get.session_timer.min_se\r\n");
- sl_reply("422", "Session Interval Too Small");
+ t_reply("422", "Session Interval Too Small");
drop;
}
@@ -1592,6 +1542,7 @@
}
}
} # if (isflagset...
+ route(RTPPROXY_PROCESS_FAILURE);
}
@@ -1603,14 +1554,7 @@
# allow proper routing of in-dialog messages.
route(UAS_NAT_DETECTION);
- # If RTP proxy was activated and this is a 18x or 2xx reply with a
- # body, inform RTP proxy.
- if (isflagset(FLAG_RTP_PROXY)
- && status=~"(18[03])|(2[0-9][0-9])"
- && @msg.body != "")
- {
- force_rtp_proxy('r');
- }
+ route(RTPPROXY_PROCESS_REPLY);
# Let's check for session timer support.
if (isflagset(FLAG_SESSIONTIMER) && status =~ "2[0-9][0-9]") {
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