|
|
######################################################################
|
|
|
## Core Parameters
|
|
|
######################################################################
|
|
|
# chroot=
|
|
|
# group="opensips"
|
|
|
# user="opensips"
|
|
|
# dbversion_table=
|
|
|
disable_core_dump=no
|
|
|
max_while_loops=100
|
|
|
maxbuffer=262144
|
|
|
memdump=3
|
|
|
memlog=2
|
|
|
# open_files_limit=2048
|
|
|
server_signature=no
|
|
|
server_header="Server: 2600hz"
|
|
|
user_agent_header="User-Agent: 2600hz"
|
|
|
|
|
|
######################################################################
|
|
|
## Core Fork Parameters
|
|
|
######################################################################
|
|
|
fork=yes
|
|
|
children=8
|
|
|
tcp_children=8
|
|
|
|
|
|
######################################################################
|
|
|
## Core Logging Parameters
|
|
|
######################################################################
|
|
|
debug=3
|
|
|
sip_warning=0
|
|
|
log_stderror=no
|
|
|
log_facility=LOG_LOCAL0
|
|
|
log_name="opensips"
|
|
|
|
|
|
######################################################################
|
|
|
## Aliases
|
|
|
######################################################################
|
|
|
auto_aliases=no
|
|
|
alias=localhost
|
|
|
alias=localhost.localdomain
|
|
|
|
|
|
######################################################################
|
|
|
## Connectivity
|
|
|
######################################################################
|
|
|
listen=udp:eth0:5060
|
|
|
# listen=udp:eth1:5060
|
|
|
tos=IPTOS_LOWDELAY
|
|
|
# advertised_address=174.129.131.38
|
|
|
# advertised_port=5060
|
|
|
mcast_loopback=no
|
|
|
mcast_ttl=1
|
|
|
mhomed=0
|
|
|
# tcp_accept_aliases
|
|
|
tcp_connect_timeout=3
|
|
|
tcp_connection_lifetime=120
|
|
|
tcp_max_connections=2048
|
|
|
# tcp_poll_method=select
|
|
|
|
|
|
######################################################################
|
|
|
## DNS
|
|
|
######################################################################
|
|
|
dns=no
|
|
|
dns_retr_time=1
|
|
|
dns_retr_no=3
|
|
|
# dns_servers_no=2
|
|
|
dns_try_ipv6=no
|
|
|
disable_dns_blacklist=yes
|
|
|
disable_dns_failover=no
|
|
|
dns_use_search_list=no
|
|
|
rev_dns=no
|
|
|
|
|
|
######################################################################
|
|
|
## SIP
|
|
|
######################################################################
|
|
|
check_via=0
|
|
|
#! disable_503_translation=no
|
|
|
disable_stateless_fwd=no
|
|
|
disable_tcp=no
|
|
|
# disable_tls=no
|
|
|
#! reply_to_via=1
|
|
|
|
|
|
######################################################################
|
|
|
## TLS
|
|
|
######################################################################
|
|
|
# disable_tls=no
|
|
|
# listen=tls:your_IP:5061
|
|
|
# tls_verify_server=1
|
|
|
# tls_verify_client=1
|
|
|
# tls_require_client_certificate=0
|
|
|
# tls_method=TLSv1
|
|
|
# tls_certificate="/usr/local/etc/opensips/tls/user/user-cert.pem"
|
|
|
# tls_private_key="/usr/local/etc/opensips/tls/user/user-privkey.pem"
|
|
|
# tls_ca_list="/usr/local/etc/opensips/tls/user/user-calist.pem"
|
|
|
|
|
|
######################################################################
|
|
|
## Destination Blacklist
|
|
|
######################################################################
|
|
|
# dst_blacklist=gw:{( tcp , 192.168.2.100 , 5060 , "" ),( any , 192.168.2.101 , 0 , "" )}
|
|
|
# dst_blacklist=net_filter2:{ !( any , 192.168.30.0/255.255.255.0 , 0 , "" )}
|
|
|
|
|
|
######################################################################
|
|
|
## Attribute Value Pairs
|
|
|
######################################################################
|
|
|
# avp_aliases="uuid=I:660;email=s:email_addr;fwd=i:753"
|
|
|
|
|
|
######################################################################
|
|
|
## Module Loading
|
|
|
######################################################################
|
|
|
mpath="/usr/lib64/opensips/modules/"
|
|
|
loadmodule "memcached.so"
|
|
|
loadmodule "signaling.so"
|
|
|
loadmodule "sl.so"
|
|
|
loadmodule "tm.so"
|
|
|
loadmodule "dialog.so"
|
|
|
loadmodule "maxfwd.so"
|
|
|
loadmodule "rr.so"
|
|
|
loadmodule "path.so"
|
|
|
loadmodule "uri.so"
|
|
|
loadmodule "textops.so"
|
|
|
loadmodule "usrloc.so"
|
|
|
loadmodule "nathelper.so"
|
|
|
loadmodule "nat_traversal.so"
|
|
|
loadmodule "dispatcher.so"
|
|
|
loadmodule "mi_fifo.so"
|
|
|
# loadmodule "mi_datagram.so"
|
|
|
# loadmodule "xlog.so"
|
|
|
|
|
|
######################################################################
|
|
|
## Memcached Module Parameters
|
|
|
######################################################################
|
|
|
modparam("memcached", "server", "callid_hash = 127.0.0.1:11211")
|
|
|
|
|
|
######################################################################
|
|
|
## Stateless UA Module Parameters
|
|
|
######################################################################
|
|
|
modparam("sl", "enable_stats", 1)
|
|
|
|
|
|
######################################################################
|
|
|
## SIP Transaction UA Module Parameters
|
|
|
######################################################################
|
|
|
modparam("tm", "fr_timer", 2)
|
|
|
modparam("tm", "fr_inv_timer", 120)
|
|
|
# modparam("tm", "wt_timer", 5)
|
|
|
# modparam("tm", "delete_timer", 2)
|
|
|
# modparam("tm", "T1_timer", 500)
|
|
|
# modparam("tm", "T2_timer", 4000)
|
|
|
# modparam("tm", "ruri_matching", 1)
|
|
|
# modparam("tm", "via1_matching", 1)
|
|
|
# modparam("tm", "unix_tx_timeout", 2)
|
|
|
# modparam("tm", "restart_fr_on_each_reply", 1)
|
|
|
modparam("tm", "fr_timer_avp", "$avp(s:final_reply_timer)")
|
|
|
# modparam("tm", "fr_inv_timer_avp", "$avp(s:final_reply_prov)")
|
|
|
# modparam("tm", "tw_append",
|
|
|
# "test: ua=$hdr(User-Agent) ;avp=$avp(i:10);$rb;time=$Ts")
|
|
|
modparam("tm", "pass_provisional_replies", 1)
|
|
|
# modparam("tm", "syn_branch", 1)
|
|
|
# modparam("tm", "onreply_avp_mode", 0)
|
|
|
# modparam("tm", "disable_6xx_block", 0)
|
|
|
# modparam("tm", "enable_stats", 1)
|
|
|
# modparam("tm", "minor_branch_flag", 3)
|
|
|
|
|
|
######################################################################
|
|
|
## Max Forward Module Parameters
|
|
|
######################################################################
|
|
|
modparam("maxfwd", "max_limit", 30)
|
|
|
|
|
|
######################################################################
|
|
|
## Record Route Module Parameters
|
|
|
######################################################################
|
|
|
modparam("rr", "enable_full_lr", 1)
|
|
|
modparam("rr", "append_fromtag", 1)
|
|
|
modparam("rr", "enable_double_rr", 0)
|
|
|
modparam("rr", "add_username", 0)
|
|
|
|
|
|
######################################################################
|
|
|
## Path Module Parameters
|
|
|
######################################################################
|
|
|
modparam("path", "use_received", 1)
|
|
|
|
|
|
######################################################################
|
|
|
## URI Module Parameters
|
|
|
######################################################################
|
|
|
# modparam("uri", "aaa_url", "radius:/etc/radiusclient-ng/radiusclient.conf")
|
|
|
modparam("uri", "use_sip_uri_host", 0)
|
|
|
modparam("uri", "use_uri_table", 0)
|
|
|
modparam("uri", "service_type", 10)
|
|
|
modparam("uri", "use_domain", 1)
|
|
|
modparam("uri", "use_uri_table", 0)
|
|
|
# modparam("uri", "db_url", "mysql://username:password@localhost/opensips")
|
|
|
# modparam("uri", "db_table", "uri")
|
|
|
# modparam("uri", "user_column", "username")
|
|
|
# modparam("uri", "domain_column", "domain")
|
|
|
# modparam("uri", "uriuser_column", "uri_user")
|
|
|
|
|
|
######################################################################
|
|
|
## User Location Module Parameters
|
|
|
######################################################################
|
|
|
modparam("usrloc", "nat_bflag", 6)
|
|
|
modparam("usrloc", "use_domain", 1)
|
|
|
modparam("usrloc", "desc_time_order", 0)
|
|
|
modparam("usrloc", "timer_interval", 60)
|
|
|
modparam("usrloc", "matching_mode", 0)
|
|
|
modparam("usrloc", "cseq_delay", 20)
|
|
|
modparam("usrloc", "hash_size", 9)
|
|
|
modparam("usrloc", "db_mode", 0)
|
|
|
# modparam("usrloc", "db_url", "dbdriver://username:password@dbhost/dbname")
|
|
|
modparam("usrloc", "fetch_rows", 2000)
|
|
|
modparam("usrloc", "user_column", "username")
|
|
|
modparam("usrloc", "domain_column", "domain")
|
|
|
modparam("usrloc", "contact_column", "contact")
|
|
|
modparam("usrloc", "expires_column", "expires")
|
|
|
modparam("usrloc", "q_column", "q")
|
|
|
modparam("usrloc", "callid_column", "callid")
|
|
|
modparam("usrloc", "cseq_column", "cseq")
|
|
|
modparam("usrloc", "methods_column", "methods")
|
|
|
modparam("usrloc", "flags_column", "flags")
|
|
|
modparam("usrloc", "cflags_column", "cflags")
|
|
|
modparam("usrloc", "user_agent_column", "user_agent")
|
|
|
modparam("usrloc", "received_column", "received")
|
|
|
modparam("usrloc", "socket_column", "socket")
|
|
|
modparam("usrloc", "path_column", "path")
|
|
|
|
|
|
######################################################################
|
|
|
## Nathelper Module Parameters
|
|
|
######################################################################
|
|
|
# modparam("nathelper", "rtpproxy_sock", "udp:127.0.0.1:7890")
|
|
|
# modparam("nathelper", "natping_interval", 30)
|
|
|
# modparam("nathelper", "ping_nated_only", 1)
|
|
|
# modparam("nathelper", "natping_processes", 3)
|
|
|
# modparam("nathelper", "sipping_bflag", 7)
|
|
|
# modparam("nathelper", "sipping_from", "sip:sipcheck@184.106.157.174")
|
|
|
# modparam("nathelper", "sipping_method", "INFO")
|
|
|
|
|
|
######################################################################
|
|
|
## NAT Traversal Module Parameters
|
|
|
######################################################################
|
|
|
modparam("nat_traversal", "keepalive_interval", 60)
|
|
|
modparam("nat_traversal", "keepalive_method", "OPTIONS")
|
|
|
modparam("nat_traversal", "keepalive_from", "sip:keepalive@ping.sip.2600hz.com")
|
|
|
modparam("nat_traversal", "keepalive_state_file", "/tmp/opensips_keepalive_state")
|
|
|
|
|
|
######################################################################
|
|
|
## Dispatcher Module Parameters
|
|
|
######################################################################
|
|
|
modparam("dispatcher", "list_file", "/etc/opensips/dispatcher.list")
|
|
|
modparam("dispatcher", "flags", 2)
|
|
|
modparam("dispatcher", "use_default", 0)
|
|
|
modparam("dispatcher", "force_dst", 1)
|
|
|
modparam("dispatcher", "dst_avp", "$avp(i:271)")
|
|
|
modparam("dispatcher", "attrs_avp", "$avp(i:272)")
|
|
|
modparam("dispatcher", "grp_avp", "$avp(i:273)")
|
|
|
modparam("dispatcher", "cnt_avp", "$avp(i:274)")
|
|
|
modparam("dispatcher", "hash_pvar", "$avp(i:273)")
|
|
|
# modparam("dispatcher", "setid_pvar", "$var(setid)")
|
|
|
modparam("dispatcher", "ds_ping_method", "OPTIONS")
|
|
|
modparam("dispatcher", "ds_ping_from", "sip:sipcheck@184.106.157.174:5060")
|
|
|
modparam("dispatcher", "ds_ping_interval", 10)
|
|
|
# modparam("dispatcher", "ds_ping_sock", "udp:10.80.25.168:5080")
|
|
|
modparam("dispatcher", "ds_probing_threshhold", 3)
|
|
|
modparam("dispatcher", "ds_probing_mode", 0)
|
|
|
modparam("dispatcher", "options_reply_codes", "501, 403, 404, 400")
|
|
|
|
|
|
######################################################################
|
|
|
## MI-FIFO Module Parameters
|
|
|
######################################################################
|
|
|
modparam("mi_fifo", "fifo_name", "/tmp/opensips_fifo")
|
|
|
|
|
|
######################################################################
|
|
|
## MI-Datagram Module Parameters
|
|
|
######################################################################
|
|
|
# modparam("mi_datagram", "socket_name", "udp:127.0.0.1:8889")
|
|
|
# modparam("mi_datagram", "children_count", 1)
|
|
|
# modparam("mi_datagram", "unix_socket_mode", 0600)
|
|
|
# modparam("mi_datagram", "unix_socket_group", "root")
|
|
|
# modparam("mi_datagram", "unix_socket_user", "root")
|
|
|
# modparam("mi_datagram", "socket_timeout", 2000)
|
|
|
# modparam("mi_datagram", "reply_indent", "\t")
|
|
|
|
|
|
######################################################################
|
|
|
## XLog Module Parameters
|
|
|
######################################################################
|
|
|
# modparam("xlog", "buf_size", 4096)
|
|
|
# modparam("xlog", "force_color", 0)
|
|
|
|
|
|
######################################################################
|
|
|
## Multiple Module Parameters
|
|
|
######################################################################
|
|
|
|
|
|
|
|
|
######################################################################
|
|
|
## Main Request Routing
|
|
|
######################################################################
|
|
|
route
|
|
|
{
|
|
|
# log the basic info regarding this call
|
|
|
xlog("L_INFO", "$ci|start|recieved $oP request $rm $ou");
|
|
|
xlog("L_INFO", "$ci|log|source $si:$sp");
|
|
|
xlog("L_INFO", "$ci|log|from $fu");
|
|
|
xlog("L_INFO", "$ci|log|to $tu");
|
|
|
|
|
|
# check that hop cound for this request and make sure it is under 10
|
|
|
# to prevent endless loops
|
|
|
if (!mf_process_maxfwd_header("10"))
|
|
|
{
|
|
|
xlog("L_WARN", "$ci|end|to many hops");
|
|
|
|
|
|
sl_send_reply("483", "We refuse to process this endless imbroglio");
|
|
|
|
|
|
exit;
|
|
|
}
|
|
|
|
|
|
# this check detemines if the opensips has routed the request to itself,
|
|
|
# this happens because the server is the destination of the request but
|
|
|
# we mangle it to send it else where. When that mangeling fails and we
|
|
|
# still relay it then it just comes right back to us...
|
|
|
if (src_ip==myself)
|
|
|
{
|
|
|
xlog("L_WARN", "$ci|end|sourced from this server");
|
|
|
|
|
|
exit;
|
|
|
}
|
|
|
|
|
|
# currently we dont support subscribe in whistle so to keep the noise down
|
|
|
# just end the request here. For options just end the request here as well.
|
|
|
if (is_method("OPTIONS|SUBSCRIBE"))
|
|
|
{
|
|
|
xlog("L_NOTICE", "$ci|end|unsupported method");
|
|
|
|
|
|
sl_send_reply("503", "Rawr!!");
|
|
|
|
|
|
exit;
|
|
|
}
|
|
|
|
|
|
# if the source IP/port are in one of the server dispatch lists
|
|
|
# then this request originated from one of our media servers, mark it
|
|
|
# as such by setting flag 26
|
|
|
if (ds_is_in_list("$si", "$sp", "1") || ds_is_in_list("$si", "$sp", "2"))
|
|
|
{
|
|
|
xlog("L_INFO", "$ci|log|inception on-net");
|
|
|
|
|
|
# Flag 26 marks the source as a on-net server
|
|
|
setflag(26);
|
|
|
}
|
|
|
# if the request source IP/port was not in any dispatcher lists
|
|
|
# this this originated outside our equipment (carrier, client, ect)
|
|
|
else
|
|
|
{
|
|
|
xlog("L_INFO", "$ci|log|inception off-net");
|
|
|
}
|
|
|
|
|
|
# if the to header has a tag attached then it implies this request
|
|
|
# has been processed by us before (IE: a media server has added
|
|
|
# its tag on the to header in prior messages)
|
|
|
if (has_totag())
|
|
|
{
|
|
|
# sequential request within a dialog should
|
|
|
# take the path determined by record-routing
|
|
|
if (loose_route())
|
|
|
{
|
|
|
append_hf("P-hint: rr-enforced\r\n");
|
|
|
|
|
|
# if the request is an ACK from our media servers with a IP in the from domain
|
|
|
# then bump the association
|
|
|
if ($(fd{ip.isip}) && isflagset(26) && is_method("ACK"))
|
|
|
{
|
|
|
xlog("L_INFO", "$ci|log|maintaining contact association to media server $fd");
|
|
|
|
|
|
cache_store("memcached_callid_hash", "$tU ", "$fd", 3600);
|
|
|
}
|
|
|
|
|
|
xlog("L_INFO", "$ci|log|forwarding based on the route set");
|
|
|
|
|
|
route(1);
|
|
|
}
|
|
|
else 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
|
|
|
xlog("L_INFO", "$ci|log|in dialog request belongs to a known transaction");
|
|
|
|
|
|
route(1);
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
# ACK without matching transaction ->
|
|
|
# ignore and discard
|
|
|
xlog("L_NOTICE", "$ci|end|no matching transaction");
|
|
|
|
|
|
exit;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
# request with a to tag that cant be routed loosly and is not an ACK
|
|
|
# ignor eand discard
|
|
|
xlog("L_WARN", "$ci|end|could not route in dialog");
|
|
|
|
|
|
sl_send_reply("486", "PC Load Letter");
|
|
|
|
|
|
exit;
|
|
|
}
|
|
|
|
|
|
# if the request is to cancel a transaction process it now
|
|
|
if (is_method("CANCEL"))
|
|
|
{
|
|
|
# If this cancel is part of a transaction
|
|
|
# then pass it along to concerned parties
|
|
|
if (t_check_trans())
|
|
|
{
|
|
|
xlog("L_INFO", "$ci|log|request belogs to a known transaction");
|
|
|
|
|
|
route(1);
|
|
|
}
|
|
|
# if the cancel does not belong to a known transaction or a
|
|
|
# request that has not progressed outside this server dont relay it
|
|
|
else
|
|
|
{
|
|
|
xlog("L_NOTICE", "$ci|end|no matching transaction");
|
|
|
}
|
|
|
|
|
|
exit;
|
|
|
}
|
|
|
|
|
|
# If this is a retransmission it will break/stop the script
|
|
|
# and do standard processing of the message
|
|
|
t_check_trans();
|
|
|
|
|
|
# Except for an ACK no request should have a route set with no to tag, this would
|
|
|
# indicate that the intial request has the Route headers and is likely someone trying
|
|
|
# to get us to send the request were they want
|
|
|
if (loose_route())
|
|
|
{
|
|
|
if (!is_method("ACK"))
|
|
|
{
|
|
|
xlog("L_WARN", "$ci|end|initial request contained a preloaded route set");
|
|
|
|
|
|
sl_send_reply("403", "Please leave the routing up to us");
|
|
|
|
|
|
exit;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
# If the request is a register we will pass it along but we need
|
|
|
# to add the path header (along with the received IP/port info)
|
|
|
if (is_method("REGISTER"))
|
|
|
{
|
|
|
# if we fail to add the path header then dont let it
|
|
|
# register because it will cause issues later...
|
|
|
if (!add_path_received())
|
|
|
{
|
|
|
xlog("L_ERR", "$ci|end|unable to add path");
|
|
|
|
|
|
sl_send_reply("503", "Internal path befuddlement");
|
|
|
|
|
|
exit;
|
|
|
}
|
|
|
|
|
|
xlog("L_INFO", "$ci|log|added path");
|
|
|
}
|
|
|
|
|
|
# if the request is from on of our media servers then dont change the routing
|
|
|
if (isflagset(26))
|
|
|
{
|
|
|
xlog("L_INFO", "$ci|log|originated from internal source");
|
|
|
}
|
|
|
# if the request is not from our media severs but has a contact uri in memcache
|
|
|
# then change the routing to go to the server previously associated with it.
|
|
|
else if ($ct.fields(uri) && cache_fetch("memcached_callid_hash", "$(ct.fields(uri){uri.user})", $avp(i:55)))
|
|
|
{
|
|
|
$rd = $avp(i:55);
|
|
|
|
|
|
xlog("L_INFO", "$ci|log|contact $(ct.fields(uri){uri.user}) is associated with media server $rd");
|
|
|
}
|
|
|
# if the request is not from our media severs but has a call-id in memcache
|
|
|
# then change the routing to go to the server previously associated with it.
|
|
|
else if (cache_fetch("memcached_callid_hash", "$ci", $avp(i:55)))
|
|
|
{
|
|
|
$rd = $avp(i:55);
|
|
|
|
|
|
xlog("L_INFO", "$ci|log|call-id is associated with media server $rd");
|
|
|
|
|
|
if ($ct.fields(uri) && is_method("INVITE"))
|
|
|
{
|
|
|
xlog("L_INFO", "$ci|log|associated contact $(ct.fields(uri){uri.user}) with media server $rd");
|
|
|
|
|
|
cache_store("memcached_callid_hash", "$(ct.fields(uri){uri.user})", "$rd", 3600);
|
|
|
}
|
|
|
}
|
|
|
# if the request is not from our media servers and no associations in memcache
|
|
|
# then try to distribute to a media server
|
|
|
else if (ds_select_domain("1", "4"))
|
|
|
{
|
|
|
xlog("L_INFO", "$ci|log|routing call to arbitrary media server $rd");
|
|
|
}
|
|
|
# if no media server could be set with ds_select_domain and there is no existing
|
|
|
# association then we have no way to route this call, terminate
|
|
|
else
|
|
|
{
|
|
|
xlog("L_ERR", "$ci|end|no servers avaliable");
|
|
|
|
|
|
sl_send_reply("486", "All servers busy");
|
|
|
|
|
|
exit;
|
|
|
}
|
|
|
|
|
|
# for all initial request (not having been processed above in the has_totag)
|
|
|
# that are not a register or message add this sever to the route set on the
|
|
|
# request so subsequent messages come through this server
|
|
|
if (!is_method("REGISTER|MESSAGE"))
|
|
|
{
|
|
|
# Record the route that this request has taken
|
|
|
# so we remain in the signaling path
|
|
|
record_route();
|
|
|
|
|
|
xlog("L_INFO", "$ci|log|added this server to the route set");
|
|
|
}
|
|
|
|
|
|
route(1);
|
|
|
}
|
|
|
|
|
|
route[1]
|
|
|
{
|
|
|
route("nat_test_and_correct");
|
|
|
|
|
|
# if the request domain is an IP and it exists in the list of our media servers (irregardless of the port)
|
|
|
# then...
|
|
|
# 1. remove any X-AUTH-IP headers so we will be the only one to set it
|
|
|
# 2. set the X-AUTH-IP header for freeswitch ACLs
|
|
|
# 3. set the final reply timer to two seconds, so we failover faster
|
|
|
# 4. arm a logging branch for replies
|
|
|
# 5. arm a failure branch that will try another one of our media servers when possible
|
|
|
if ($(rd{ip.isip}) && (ds_is_in_list("$rd", "", "1") || ds_is_in_list("$rd", "", "2")))
|
|
|
{
|
|
|
remove_hf("X-AUTH-IP");
|
|
|
|
|
|
xlog("L_INFO", "$ci|log|X-AUTH-IP: $si");
|
|
|
|
|
|
append_hf("X-AUTH-IP: $si\r\n");
|
|
|
|
|
|
xlog("L_INFO", "$ci|log|provisional reply required in 2 seconds");
|
|
|
|
|
|
$avp(s:final_reply_timer) = 2;
|
|
|
|
|
|
t_on_reply("on_net_reply");
|
|
|
|
|
|
t_on_failure("on_net_fault");
|
|
|
}
|
|
|
# if the request domain is not an IP or in our list of media servers then
|
|
|
# assume it is going somewhere outside our control and give that equipment
|
|
|
# longer to respond. Also arm a branch to log the replies
|
|
|
else
|
|
|
{
|
|
|
xlog("L_INFO", "$ci|log|provisional reply required in 6 seconds");
|
|
|
|
|
|
$avp(s:final_reply_timer) = 6;
|
|
|
|
|
|
t_on_reply("off_net_reply");
|
|
|
}
|
|
|
|
|
|
# try to send the request on its way, if it fails send back a
|
|
|
# stateless error to the requestor
|
|
|
if (t_relay())
|
|
|
{
|
|
|
xlog("L_INFO", "$ci|pass|$rd");
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
xlog("L_ERR", "$ci|end|unable to relay message");
|
|
|
|
|
|
sl_reply_error();
|
|
|
}
|
|
|
|
|
|
exit;
|
|
|
}
|
|
|
|
|
|
route[nat_test_and_correct]
|
|
|
{
|
|
|
# check if the request is from a client behind NAT, and fix if so...
|
|
|
# this check looks at:
|
|
|
# 1. if client has a private IP address (as defined by RFC1918) in the Contact field of the SIP message
|
|
|
# 2. if client has contacted OpenSIPS from an address that is different from the one in the Via field
|
|
|
if (client_nat_test("3"))
|
|
|
{
|
|
|
xlog("L_INFO", "$ci|log|via address differs from source or RFC1918 address in contact");
|
|
|
|
|
|
# adds the rport parameter to the first Via header
|
|
|
force_rport();
|
|
|
|
|
|
# will replace the IP and port in the Contact header with the IP and port
|
|
|
# the SIP message was received from
|
|
|
fix_contact();
|
|
|
}
|
|
|
|
|
|
# if the request has a body see if it needs NAT corrections as well,
|
|
|
# this check looks at:
|
|
|
# 8. SDP is searched for occurrence of RFC1918 addresses
|
|
|
if (has_body("application/sdp") && nat_uac_test("8"))
|
|
|
{
|
|
|
xlog("L_INFO", "$ci|log|SDP contains a RFC1918 address");
|
|
|
|
|
|
# alters the SDP information in order to facilitate NAT traversal.
|
|
|
# 2. rewrite media IP address (c=) with source IP
|
|
|
# 8. rewrite IP from origin description (o=) with source IP
|
|
|
fix_nated_sdp("10");
|
|
|
}
|
|
|
}
|
|
|
|
|
|
onreply_route[off_net_reply]
|
|
|
{
|
|
|
# this branch handles replies that are comming from equipment
|
|
|
# outside our control, just logging and NAT corrections
|
|
|
xlog("L_INFO", "$ci|start|recieved off-net reply $rs $rr");
|
|
|
xlog("L_INFO", "$ci|log|source $si:$sp");
|
|
|
|
|
|
route("nat_test_and_correct");
|
|
|
|
|
|
xlog("L_INFO", "$ci|pass|$(<request>si)");
|
|
|
}
|
|
|
|
|
|
onreply_route[on_net_reply]
|
|
|
{
|
|
|
# this branch handles replies that are comming from our
|
|
|
# media server, just logging and NAT corrections
|
|
|
xlog("L_INFO", "$ci|start|recieved on-net reply $rs $rr");
|
|
|
xlog("L_INFO", "$ci|log|source $si:$sp");
|
|
|
|
|
|
route("nat_test_and_correct");
|
|
|
|
|
|
# if one of our media servers has replied with a 407 or 401 associate
|
|
|
# this call-id with that media server so the next "initial" requests
|
|
|
# go to it (IE: the reply to the challenge)
|
|
|
if (t_check_status("(407)|(401)"))
|
|
|
{
|
|
|
cache_store("memcached_callid_hash", "$ci ", "$si", 60);
|
|
|
|
|
|
xlog("L_INFO", "$ci|log|associated call-id with media server $si");
|
|
|
}
|
|
|
|
|
|
xlog("L_INFO", "$ci|pass|$(<request>si)");
|
|
|
}
|
|
|
|
|
|
failure_route[on_net_fault]
|
|
|
{
|
|
|
# if the failure cause was due to the transaction being
|
|
|
# cancelled then we are complete
|
|
|
if (t_was_cancelled())
|
|
|
{
|
|
|
xlog("L_INFO", "$ci|end|transaction was cancelled");
|
|
|
|
|
|
exit;
|
|
|
}
|
|
|
|
|
|
# if the failure case was soemthing that we should recover
|
|
|
# from then try to find a new media server
|
|
|
if (t_check_status("(408)|(5[0-9][0-9])"))
|
|
|
{
|
|
|
xlog("L_INFO", "$ci|start|recieved or generated negative reply");
|
|
|
xlog("L_INFO", "$ci|log|source $si:$sp");
|
|
|
|
|
|
xlog("L_ERR", "$ci|log|moving media server $rd to probing mode");
|
|
|
|
|
|
# flag the media server that failed and start sending SIP pings
|
|
|
# when it begins responding put it back in the lsit
|
|
|
ds_mark_dst("p");
|
|
|
|
|
|
# keep track of the original request domain so we can detemine
|
|
|
# if ds_select_domain chooses the same domain...
|
|
|
$avp(s:old_rd)=$rd;
|
|
|
|
|
|
# try to find a new media server to send the calls to, this is
|
|
|
# taking advantage of a bug since ds_select_domain is not supposed
|
|
|
# to be using in the failover branch (but it is necessary in our
|
|
|
# configuration).
|
|
|
if(ds_select_domain("1", "4") && $avp(s:old_rd) != $rd)
|
|
|
{
|
|
|
xlog("L_INFO", "$ci|log|routing call to arbitrary media server $rd");
|
|
|
|
|
|
# if the request has a contact and is an INVITE then store the new
|
|
|
# association
|
|
|
if ($ct.fields(uri) && is_method("INVITE"))
|
|
|
{
|
|
|
xlog("L_INFO", "$ci|log|associated contact $(ct.fields(uri){uri.user}) with media server $rd");
|
|
|
|
|
|
cache_store("memcached_callid_hash", "$(ct.fields(uri){uri.user})", "$rd", 3600);
|
|
|
}
|
|
|
|
|
|
xlog("L_INFO", "$ci|pass|$rd");
|
|
|
|
|
|
# reset the final reply timer
|
|
|
$avp(s:final_reply_timer) = 2;
|
|
|
|
|
|
# relay the request to the new media server
|
|
|
t_relay();
|
|
|
|
|
|
exit;
|
|
|
}
|
|
|
|
|
|
xlog("L_ERR", "$ci|end|no other media servers avaliable");
|
|
|
}
|
|
|
}
|