A sip proxy may serve many domains listed in its SSL certificate X509v3 Subject Alternative Name field. In order to find out if a peer sip proxy is serving a particular domain, access would be needed in config file to this list of domains.
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Hello all,
I've come across the following issue with topos on Kamailio 5.1.0-rc2.
### Description
Kamailio acts as a proxy for asterisk instances residing in a private IP range. Asterisk's peers are configured with their public IP address or hostname, but asterisk will dispatch requests to them to kamailio instead (because kamailio's IP is set in outboundproxy option in peer definition).
This works fine for INVITEs, but if qualify=yes is set for the peer, asterisk will send out OPTIONs to monitor these peers. If the topos module is loaded, 200 OK replies to these OPTIONs will be malformed when forwarded from kamailio to asterisk (no Via header present). Disabling the topos module will resolve this.
### Troubleshooting
#### Reproduction
Configure a peer in asterisk with outboundproxy option set to kamailio's IP address. Set qualify=yes.
Adjust kamailio's default configuration so that OPTIONs to other hosts besides itself are routed. Change the following section in request_route:
```
if ($rU==$null) {
# request with no Username in RURI
sl_send_reply("484","Address Incomplete");
exit;
}
```
to:
```
if ( ($rU==$null) && !(is_method("OPTIONS")) ) {
# request with no Username in RURI
sl_send_reply("484","Address Incomplete");
exit;
}
# Permit asterisk's monitoring using options
if(is_method("OPTIONS") && uri!=myself) {
route(RELAY);
}
```
Enable and configure the topos module with database.
#### SIP Traffic
asterisk:5060 -> kamailio:5060
```
OPTIONS sip:peer.domain.tld SIP/2.0
Via: SIP/2.0/UDP asterisk:5060;branch=z9hG4bK460330cf;rport
Max-Forwards: 70
From: "asterisk" <sip:asterisk@domain.tld>;tag=as690c2406
To: <sip:peer.domain.tld>
Contact: <sip:asterisk@asterisk:5060>
Call-ID: 6548f43b2d8740122186bb0c6e72ac78(a)domain.tld
CSeq: 102 OPTIONS
User-Agent: myUA
Date: Sun, 03 Dec 2017 00:39:38 GMT
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE
Supported: replaces, timer
Content-Length: 0
```
kamailio:5060 -> peer:5060
```
OPTIONS sip:peer.domain.tld SIP/2.0
Via: SIP/2.0/UDP kamailio:5060;branch=z9hG4bK460330cf;rport
Max-Forwards: 69
From: "asterisk" <sip:asterisk@domain.tld>;tag=as690c2406
To: <sip:peer.domain.tld>
Contact: <sip:asterisk@asterisk:5060>
Call-ID: 6548f43b2d8740122186bb0c6e72ac78(a)domain.tld
CSeq: 102 OPTIONS
User-Agent: myUA
Date: Sun, 03 Dec 2017 00:39:38 GMT
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE
Supported: replaces, timer
Content-Length: 0
```
peer:5060 -> kamailio:5060
```
SIP/2.0 200 OK
Via: SIP/2.0/UDP kamailio;branch=z9hG4bKda8d.cc03bd2def8ad36e8c43f61ab31a636f.0;received=kamailio;rport=5060
From: "asterisk" <sip:asterisk@domain.tld>;tag=as690c2406
To: <sip:peer.domain.tld>;tag=as472874ee
Call-ID: 6548f43b2d8740122186bb0c6e72ac78(a)domain.tld
CSeq: 102 OPTIONS
Server: myUA
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE
Supported: replaces, timer
Contact: <sip:peer:5060>
Accept: application/sdp
Content-Length: 0
```
**kamailio:5060 -> asterisk:5060: Missing Via Header**
```
SIP/2.0 200 OK
From: "asterisk" <sip:asterisk@domain.tld>;tag=as690c2406
To: <sip:peer.domain.tld>;tag=as472874ee
Call-ID: 6548f43b2d8740122186bb0c6e72ac78(a)domain.tld
CSeq: 102 OPTIONS
Server: myUA
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE
Supported: replaces, timer
Contact: <sip:peer:5060>
Accept: application/sdp
Content-Length: 0
```
### Additional Information
* **Kamailio Version** - output of `kamailio -v`
```
version: kamailio 5.1.0-rc2 (x86_64/linux)
flags: STATS: Off, USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MEM, SHM_MMAP, PKG_MALLOC, Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLACKLIST, HAVE_RESOLV_RES
ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB
poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
id: unknown
compiled with gcc 6.3.0
```
* **Operating System**:
```
Debian 9.1
```
* **Other pertinent configuration information**:
This kamailio box has several network interfaces. mhomed is not used, instead force_send_socket is called where necessary. I'm mentioning this in case it's what might trigger this issue with topos.
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(from devmeeting #Fosdem) - adding new dependencies as core dependencies
- Curl
- libssl
- uuid
- libunistring
- libxml2
Any other candidates? They have to be libraries that are commonly installed on most Linux/Unix system.
This would mean that a lot of more modules will be built by default, like TLS, HTTP_CLIENT, WEBSOCKET.
We may also look over the names of the packages/groups for the build system and linux distros
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It seems a good idea to support JWT as a new SIP authorization method. Wonder if anyone is interested? Think auth_db would be the best spot to add support for JWT.
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- [ ] Breaking change (fix or feature that would change existing functionality)
#### Checklist:
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- [X] PR should be backported to stable branches
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#### Description
<!-- Describe your changes in detail -->
192.0.0.0/29 is a reserved subnet for NATtin IPv4 across an IPv6 netwerk. For example Dual Stack Lite carrier grade NAT.
This is small change and updates the subnets used for NAT according to https://www.iana.org/assignments/iana-ipv4-special-registry/iana-ipv4-speci…
You can view, comment on, or merge this pull request online at:
https://github.com/kamailio/kamailio/pull/1488
-- Commit Summary --
* Support for
-- File Changes --
M src/modules/ipops/detailed_ip_type.c (1)
M src/modules/ipops/detailed_ip_type.h (2)
M src/modules/nat_traversal/nat_traversal.c (3)
M src/modules/nathelper/nathelper.c (1)
-- Patch Links --
https://github.com/kamailio/kamailio/pull/1488.patchhttps://github.com/kamailio/kamailio/pull/1488.diff
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Tracking here the issue exposed by @linuxmaniac via PR #924, as it was merged and then reverted (by #1248), so anyone can be aware of as well as comment/propose solutions for it.
> Add "-fno-strict-aliasing" to compilation flags
>
> Fixes a slew of:
> "dereferencing type-punned pointer will break strict-aliasing rules"
> warnings from GCC for lines of the form:
> Py_INCREF(Py_True);
> and
> Py_INCREF(Py_False);
>
> due to the cast from PyIntObject* to PyObject*
>
> GCC is technically correct here; see:
> http://www.python.org/dev/peps/pep-3123/
> though this is unlikely to lead to non-working machine code.
The initial proposed patch for `src/modules/app_python/Makefile` is:
```
@@ -22,6 +22,8 @@ ifeq ($(OS), freebsd)
LIBS+=-pthread
endif
+# python2 https://www.python.org/dev/peps/pep-3123/
+DEFS+=-fno-strict-aliasing
DEFS+=-I${PYTHON_INCDIR}
DEFS+=-DKAMAILIO_MOD_INTERFACE
```
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allow to clean the shared and private info of a test scenario in order to be able to re-trigger it without restart kamailio
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I am forking a call to multiple destinations and want to keep the only branch which sends quicker provisional 180/183 reply and cancel the remaining branches. Below is my related cfg snippet.
modparam("tm", "failure_reply_mode", 3)
modparam("tm", "fr_timer", 30000)
modparam("tm", "fr_inv_timer", 120000)
modparam("tm", "cancel_b_method", 2)
...
route[SIPOUT] {
if (uri==myself) return;
append_hf("P-hint: outbound\r\n");
append_branch();
append_branch();
route(RELAY);
exit;
}
onreply_route[MANAGE_REPLY] {
xdbg("incoming reply\n");
if(status=~"[12][0-9][0-9]") {
xlog("L_INFO","Received $rs (IP:$si:$sp)\n");
if(status=~"18[03]"){
t_cancel_branches("others");
xlog("L_INFO","cancelled all other branches\n");
}
route(NATMANAGE);
}
}
...
But I see kamailio does not instantly send CANCEL to other branches after it has received 180/180 from any branch.
Kamailio is sending CANCEL to other branches after they start sending 180/183 one by one.
I want to cancel other brances instantly as soon as i get reply from any other branch.
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Starting Kamailio (4.4 with branch updates through e43d82d applied) with the following systemd unit file, native systemd/journald logging doesn't work as expected. I *do* get core logging when I use
```
log_engine_type="systemd"
loadmodule "log_systemd.so"
```
but `xlog` and `sd_journal_print` *don't* send anything to the journal.
When I comment out `log_engine_type`, keeping the log_systemd.so module loaded, `sd_journal_print` *does* log the messages properly to the systemd journal, `xlog` and core startup messages are sent to syslog.
If I change the service to `Type=simple` and add the `-D` option to `ExecStart` to disable forking, then logging to systemd via `xlog` and `sd_journal_print` works, but TCP/TLS listeners aren't created.
```
[Unit]
Description=Kamailio SIP Server
Documentation=man:kamailio(8) http://www.kamailio.org/
After=syslog.target network-online.target
Wants=network-online.target
[Service]
Type=forking
User=kamailio
Environment=SHM_SIZE=64
Environment=PKG_SIZE=8
ExecStartPre=/usr/sbin/kamailio -c
ExecStart=/usr/sbin/kamailio -m $SHM_SIZE -M $PKG_SIZE -P /run/kamailio/kamailio.pid
PIDFile=/run/kamailio/kamailio.pid
Restart=on-failure
RestartSec=30
RuntimeDirectory=kamailio
RuntimeDirectoryMode=0750
[Install]
WantedBy=multi-user.target
```
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