### Description
In some situations the other side UA must reply with an inactive media stream. E.g. if video was added but not supported by the other side. The UAS then must answer with an m=video 0 RTP/.. line.
It seams that the video section must contain a c= line with an IP address for rtpengine to function. If there is no c line (no IP address) the SDP body cannot be parsed and thus no RTP proxy is invoked.
### Troubleshooting
Not easy to reproduce since the answer must bei "wrong". Is it correct to reply an SDP body (media = video) like this?
```
m=video 0 RTP/AVPF 96
a=label:1
a=inactive
a=mid:1
```
Maybe not (but Audiocodes SBC lates LTS version does it) - so we are dependent on other side now that this service works.
#### Reproduction
reInvite with Video to a UA that has no video Support (e.g. Bria -> Snom). Drop the c line in the video part with some textops in 200 OK (just to reproduce of course).
A -> B, connect the call
A -> + video, B has no video support
A presses hold
#### Log Messages
Incoming 200 OK after doing hold with an inactive video:
```
v=0
o=root 436040161 309284577 IN IP4 1.2.3.5
s=call
t=0 0
m=audio 14200 RTP/AVPF 9 8 126
c=IN IP4 1.2.3.5
a=ptime:20
a=recvonly
a=mid:0
a=rtpmap:9 G722/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:126 telephone-event/8000
a=fmtp:126 0-15
m=video 0 RTP/AVPF 96
a=label:1
a=inactive
a=mid:1
Mar 27 17:52:22 c5p05es2-1 /usr/sbin/kamailio[2938205]: ERROR: <core> [core/parser/sdp/sdp.c:490]: parse_sdp_session(): can't find media IP in the message
Mar 27 17:52:22 c5p05es2-1 /usr/sbin/kamailio[2938205]: INFO: <script>: >>> Sending Reply: 200 OK (1.2.3.4:443 -> 100.108.48.38:65251)
```
Compare to working SDP parsing:
```
a=rtpmap:9 G722/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:126 telephone-event/8000
a=fmtp:126 0-15
m=video 0 RTP/AVP 96
c=IN IP4 1.2.3.5
a=inactive
a=mid:1
Mar 27 18:00:17 c5p05es2-1 /usr/sbin/kamailio[2942881]: INFO: <script>: ONREPLY_ROUTE[FORWARD]
Mar 27 18:00:17 c5p05es2-1 /usr/sbin/kamailio[2942881]: INFO: <script>: ROUTE[RTPP_REPLY]
Mar 27 18:00:17 c5p05es2-1 /usr/sbin/kamailio[2942881]: INFO: <script>: > 200 with video
Mar 27 18:00:17 c5p05es2-1 /usr/sbin/kamailio[2942881]: INFO: <script>: > 200 with inactive video
Mar 27 18:00:17 c5p05es2-1 /usr/sbin/kamailio[2942881]: INFO: <script>: > Remove inactive video
Mar 27 18:00:17 c5p05es2-1 /usr/sbin/kamailio[2942881]: INFO: <script>: > Answer to WebRTC client: 200 - qijpuibkv6ufhnd282ks
Mar 27 18:00:17 c5p05es2-1 /usr/sbin/kamailio[2942881]: INFO: <script>: >>> Sending Reply: 200 OK (91.237.65.14:443 -> 80.108.48.38:65388)
```
### Possible Solutions
Tried to fix in script:
```
if(sdp_with_media("video")) xlog("L_INFO", "> $rs with video");
if(sdp_with_active_media("video")) xlog("L_INFO", "> $rs with active video");
if(!sdp_with_active_media("video")) xlog("L_INFO", "> $rs with inactive video");
if(sdp_with_media("video") && !sdp_with_active_media("video")) {
# try fix for RMT#60189
xlog("L_INFO", "> Remove inactive video");
sdp_remove_media("video");
msg_apply_changes(); # needed?
}
```
But since sdpops cannot parse it cannot remove the buggy media, too. See the log: non of the xlog is logging.
If there is inactive media the c line is not mandatory. The parser should accept this by adding a default IP of 0.0.0.0, if needed
Doing tricks with textops is not a easy nor performant solution to accept this wrong SDP from other parties.
### Additional Information
```
version: kamailio 5.6.4 (x86_64/linux)
flags: USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, 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_BLOCKLIST, HAVE_RESOLV_RES, TLS_PTHREAD_MUTEX_SHARED
ADAPTIVE_WAIT_LOOPS 1024, MAX_RECV_BUFFER_SIZE 262144, 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 10.2.1
```
* **Operating System**:
Debian Bullseye
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Added enable_register_publish parameter to enable REGISTER and PUBLISH method for topos
If set to 1 REGISTER and PUBLISH will be enabled for topos Currently only via header will be applied for topos and if mask_callid is set to 1 call-ID will be masked. Other headers should be manged by the user as required.
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#### Description
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You can view, comment on, or merge this pull request online at:
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-- Commit Summary --
* add enable_register_publish
-- File Changes --
M src/modules/topos/topos_mod.c (2)
M src/modules/topos/tps_msg.c (132)
M src/modules/topos/tps_msg.h (2)
M src/modules/topos/tps_storage.c (6)
-- Patch Links --
https://github.com/kamailio/kamailio/pull/3766.patchhttps://github.com/kamailio/kamailio/pull/3766.diff
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Hi There,
We found a situation where topos seems to break, let me explain... Assuming the following scenario:
```
Caller ---- Callee
A: ------INVITE-----> Record-Route:A.A.A.A, Record-Route:B.B.B.B
B: <-----200 OK------
C: <-----INVITE------ Route: A.A.A.A, B.B.B.B
D: ------200 OK-----> Record-Route:B.B.B.B, Record-Route:A.A.A.A (reversed order)
E: <======INVITE===== Route: B.B.B.B, A.A.A.A (wrong)
```
A and B establish the connection from caller to callee, and topos works fine.
C (re-INVITE from callee) sends the Route header according to the Record-Routes from the original INVITE (A)
D is the 200 OK sent from the caller to the first re-INVITE (C) coming from the callee, with the Record-Route headers reversed, because is the order in which the callee received them; and according to the RFC it's working as intended:
```
When a UAS responds to a request with a response that establishes a
dialog (such as a 2xx to INVITE), the UAS MUST copy all Record-Route
header field values from the request into the response (including the
URIs, URI parameters, and any Record-Route header field parameters,
whether they are known or unknown to the UAS) and MUST maintain the
order of those values.
[...]
[When a UAC receives a response...]
The route set MUST be set to the list of URIs in the Record-Route
header field from the response, taken in reverse order and preserving
all URI parameters.
```
E takes the Route order from the last 200 OK ignoring they are in reversed order and assuming the top one is the first one, when it should be the other way around, sending to an IP address not reachable from the callee. And I think here is the issue, topos should not update the path on the Record-Routes from a 200 OK but if it does, it should take the reverse order
When disabling topos, everything works fine, or with topos enabled, by setting rr_update=0 works for us, but what if there is a real path update, rr_update=0 wouldn't work for us anymore. The Kamailio version is 5.8.0-rc0
Let me know if you need more information.
Thanks a lot,
Javi
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### Description
It seems that the fixup_free_* functions are not getting called when used with:
```
static cmd_export_t cmds[] = {
{"acc_log_request", (cmd_function)w_acc_log_request, 1,
acc_fixup, free_acc_fixup,
ANY_ROUTE},
// ...
{0, 0, 0, 0, 0, 0}
};
static int free_acc_fixup(void **param, int param_no)
{
LM_CRIT("acc free fixup = %d\n", param_no);
if(*param) {
pkg_free(*param);
*param = 0;
}
return 0;
}
```
Nothing is getting logged from the function. Is this expected not to print in free_fixup due to the destruction of kamailio and the logging is not reliable?
I also used gdb and added some breakpoints in `fixup` and `free_fixup` functions in some other modules (file_out) and the breakpoint was only found in `fixup` but not in `free_fixup`.
When is the `free_fixup` supposed to be called, at kamailio destruction or after fixing it and before the main loop starts?
<!--
Explain what you did, what you expected to happen, and what actually happened.
-->
### Troubleshooting
#### Reproduction
<!--
If the issue can be reproduced, describe how it can be done.
-->
Use any module that has a custom (maybe also provided from core) `free_fixup` function, and monitor if `free_fixup` is called using debug mode.
#### Log Messages
<!--
Check the syslog file and if there are relevant log messages printed by Kamailio, add them next, or attach to issue, or provide a link to download them (e.g., to a pastebin site).
-->
```
Apr 15 15:52:03 app01 kamailio[812169]: INFO: <core> [core/mem/q_malloc.c:402]: qm_malloc(): qm_malloc(0x7fcdcab18010, 56) called from file_out: file_out.c: fo_fixup_str_index(287)
Apr 15 15:52:03 app01 kamailio[812169]: INFO: <core> [core/mem/q_malloc.c:449]: qm_malloc(): qm_malloc(0x7fcdcab18010, 64) returns address 0x7fcdcacc4280 frag. 0x7fcdcacc4240 (size=64) on 1 -th hit```
`0x7fcdcacc4240` fragment is not found anywhere in the logs reported that it was freed unlike other malloced resources.
```
### Additional Information
* **Kamailio Version** - output of `kamailio -v`
```
version: kamailio 5.9.0-dev0 (x86_64/linux) 8bc64a
flags: USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MMAP, PKG_MALLOC, MEM_JOIN_FREE, 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_BLOCKLIST, HAVE_RESOLV_RES, TLS_PTHREAD_MUTEX_SHARED
ADAPTIVE_WAIT_LOOPS 1024, MAX_RECV_BUFFER_SIZE 262144, MAX_SEND_BUFFER_SIZE 262144, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB
poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
id: 8bc64a
compiled on 15:32:09 Apr 15 2024 with gcc 10.5.0
```
* **Operating System**:
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```
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.04.6 LTS
Release: 20.04
Codename: focal
5.4.0-176-generic #196-Ubuntu SMP Fri Mar 22 16:46:39 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
```
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Hello all
we are seeing these kind of logs in a Debian GNU/Linux 11 using kamailio 5.5.6
```Sep 21 17:41:13 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155702]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[164.152.22.248:5060](http://164.152.22.248:5060/))
Sep 21 17:41:13 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155698]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[208.74.138.184:5060](http://208.74.138.184:5060/))
Sep 21 17:41:13 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155695]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[208.74.138.181:5060](http://208.74.138.181:5060/))
Sep 21 17:41:14 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155693]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[38.102.250.60:5060](http://38.102.250.60:5060/))
Sep 21 17:41:14 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155707]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[87.1.1.27:5060](http://87.1.1.27:5060/))
Sep 21 17:41:14 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155707]: ERROR: tm [ut.h:302]: uri2dst2(): no corresponding socket for "87.1.1.27" af 2
Sep 21 17:41:14 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155707]: ERROR: tm [t_fwd.c:470]: prepare_new_uac(): can't fwd to af 2, proto 1 (no corresponding listening socket)
Sep 21 17:41:14 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155697]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[208.74.138.184:5060](http://208.74.138.184:5060/))
Sep 21 17:41:14 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155694]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[192.40.216.97:5060](http://192.40.216.97:5060/))
Sep 21 17:41:14 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155694]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[208.74.138.180:5060](http://208.74.138.180:5060/))
Sep 21 17:41:14 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155714]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[87.1.1.27:5060](http://87.1.1.27:5060/))
```
The kamailio instance we are using is receiving around 1500 calls per second in average when we do start seeing these errors more frequently
In this instance we are using multihomed
the listen address list is
``` children=14
socket_workers=1
listen=udp:[192.168.99.70:5081](http://192.168.99.70:5081/)
listen=udp:[192.168.99.81:5060](http://192.168.99.81:5060/)
listen=udp:[87.1.1.27:5060](http://87.1.1.27:5060/)
listen=tcp:[192.168.96.105:8095](http://192.168.96.105:8095/)
listen=tcp:[87.1.1.27:5060](http://87.1.1.27:5060/)
tcp_children=6
port=5060
```
We use the first worker only to perform the OPTIONS requests from the dispatcher module.
The sockets
listen=udp:[192.168.99.81:5060](http://192.168.99.81:5060/)
listen=udp:[87.1.1.27:5060](http://87.1.1.27:5060/)
are used to communicate both A and B legs
so when a message is received at [192.168.99.81:5060](http://192.168.99.81:5060/) we send it to [87.1.1.27:5060](http://87.1.1.27:5060/) and viceversa
We were using $fs variable before doing the t_relay() function.
This way is working, but when load increases, seems sometimes kamailio doesn't get the proper socket to forward the reply.
I think the errors mainly are related to responses which are being forwarded, like if the function get_sock_info_list was not able to retrieve the listen interfaces
we have tried to set in the onreply routes the commands
set_recv_socket("udp:[192.168.99.81:5060](http://192.168.99.81:5060/)");
set_send_socket("udp:[87.1.1.27:5060](http://87.1.1.27:5060/)"); (when reply goes from private to public domain)
and it seems it reduces the number of
```
Sep 21 17:41:13 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155702]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[164.152.22.248:5060](http://164.152.22.248:5060/))
Sep 21 17:41:13 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155698]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[208.74.138.184:5060](http://208.74.138.184:5060/))
Sep 21 17:41:13 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155695]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[208.74.138.181:5060](http://208.74.138.181:5060/))
Sep 21 17:41:14 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155693]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[38.102.250.60:5060](http://38.102.250.60:5060/))
errors
```
But i honestly don't know why the
```Sep 21 17:41:14 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155707]: ERROR: tm [ut.h:302]: uri2dst2(): no corresponding socket for "87.1.1.27" af 2
Sep 21 17:41:14 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155707]: ERROR: tm [t_fwd.c:470]: prepare_new_uac(): can't fwd to af 2, proto 1 (no corresponding listening socket)
appear
```
We also tried to increase the kernel buffers rmem and wmem from 208KB (as we had by default) to 4MB
Do you know a reason which could cause these logs to appear?
Any setup that could mitigate them?
thanks a lot and regards
david escartin
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From the build log
```
CC (gcc) [M kazoo.so] kazoo.o
CC (gcc) [M kazoo.so] kz_amqp.o
kz_amqp.c: In function 'kz_amqp_connection_open_ssl':
kz_amqp.c:857:17: warning: 'amqp_set_initialize_ssl_library' is deprecated [-Wdeprecated-declarations]
857 | amqp_set_initialize_ssl_library(1);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from kz_amqp.c:37:
/usr/include/rabbitmq-c/ssl_socket.h:233:16: note: declared here
233 | void AMQP_CALL amqp_set_initialize_ssl_library(amqp_boolean_t do_initialize);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
CC (gcc) [M kazoo.so] kz_fixup.o
CC (gcc) [M kazoo.so] kz_hash.o
```
Functions description in the header file
https://github.com/alanxz/rabbitmq-c/blob/v0.13.0/include/rabbitmq-c/ssl_so…
```
/**
* Sets whether rabbitmq-c will initialize OpenSSL.
*
* \deprecated Since v0.13.0 this is a no-op. OpenSSL automatically manages
* library initialization and uninitialization.
*
* OpenSSL requires a one-time initialization across a whole program, this sets
* whether or not rabbitmq-c will initialize the SSL library when the first call
* to amqp_ssl_socket_new() is made. You should call this function with
* do_init = 0 if the underlying SSL library is initialized somewhere else
* the program.
*
* Failing to initialize or double initialization of the SSL library will
* result in undefined behavior
*
* By default rabbitmq-c will initialize the underlying SSL library.
*
* NOTE: calling this function after the first socket has been opened with
* amqp_open_socket() will not have any effect.
*
* \param [in] do_initialize If 0 rabbitmq-c will not initialize the SSL
* library, otherwise rabbitmq-c will initialize the
* SSL library
*
* \since v0.4.0
*/
```
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Hello
The tm.t_uac_start function generates a “tm:local-request” event.
But the tm.cancel function doesn't generete “tm:local-request” event.
Is it possible to activate a parameter in the TM or TMX module to generate the event?
Thanks
Juan
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