### Description
After installing kamailio on Ubuntu (20.04 and 22.04) using normal kamailio.org instructions, things work fine. However, a developer is working on a large project as root, and occasionally restarts kamailio with the command "kamctl <start|stop|restart>", rather than the OS command "systemctl <stop|start|restart> kamailio". After that, any attempt to restart or check status using systmectl fails, and rebooting the server occasionally fails to restart kamailio.
### Troubleshooting
#### Reproduction
Install ubuntu 22.04 or 20.04. When up and running, try this:
`systemctl status kamailio` (everything looks good)
`ps -C kamailio -o comm,uid,euid,pid,ppid` (all happy, Kamailio running as user kamailio)
`kamctl restart`
`ps -C kamailio -o comm,uid,euid,pid,ppid` (Yes it's running, but as root, not kamailio)
`systemctl status kamailio` (FAILS, 20.04 reports "Failed to start", 22.04 reports "kamailio.service: Deactivated successfully")
`systemctl restart kamailio` (FAILS - same reports as preceding "status" command)
#### Debugging Data
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#### Log Messages
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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).
-->
After command systemctl restart kamailio:
```
Feb 9 18:30:02 usdc2-lab-drproxy02 kamailio: INFO: <core> [core/sctp_core.c:74]: sctp_core_check_support(): SCTP API not enabled - if you want to use it, load sctp module
Feb 9 18:30:02 usdc2-lab-drproxy02 kamailio: INFO: <core> [core/tcp_main.c:5042]: init_tcp(): using epoll_lt as the io watch method (auto detected)
Feb 9 18:30:02 usdc2-lab-drproxy02 /usr/sbin/kamailio[2388]: INFO: rr [../outbound/api.h:52]: ob_load_api(): unable to import bind_ob - maybe module is not loaded
Feb 9 18:30:02 usdc2-lab-drproxy02 /usr/sbin/kamailio[2388]: INFO: rr [rr_mod.c:177]: mod_init(): outbound module not available
Feb 9 18:30:02 usdc2-lab-drproxy02 /usr/sbin/kamailio[2388]: INFO: auth [auth_mod.c:345]: mod_init(): qop set, but nonce-count (nc_enabled) support disabled
Feb 9 18:30:02 usdc2-lab-drproxy02 /usr/sbin/kamailio[2388]: INFO: <core> [main.c:2779]: main(): processes (at least): 32 - shm size: 67108864 - pkg size: 8388608
Feb 9 18:30:02 usdc2-lab-drproxy02 /usr/sbin/kamailio[2388]: INFO: <core> [core/udp_server.c:154]: probe_max_receive_buffer(): SO_RCVBUF is initially 212992
Feb 9 18:30:02 usdc2-lab-drproxy02 /usr/sbin/kamailio[2388]: INFO: <core> [core/udp_server.c:206]: probe_max_receive_buffer(): SO_RCVBUF is finally 425984
Feb 9 18:30:02 usdc2-lab-drproxy02 /usr/sbin/kamailio[2388]: INFO: <core> [core/udp_server.c:154]: probe_max_receive_buffer(): SO_RCVBUF is initially 212992
Feb 9 18:30:02 usdc2-lab-drproxy02 /usr/sbin/kamailio[2388]: INFO: <core> [core/udp_server.c:206]: probe_max_receive_buffer(): SO_RCVBUF is finally 425984
Feb 9 18:30:02 usdc2-lab-drproxy02 /usr/sbin/kamailio[2388]: ERROR: <core> [core/tcp_main.c:3162]: tcp_init(): bind(c, 0x7f49b0475c74, 16) on 127.0.0.1:5060 : Address already in use
Feb 9 18:30:02 usdc2-lab-drproxy02 /usr/sbin/kamailio[2388]: INFO: <core> [core/sctp_core.c:53]: sctp_core_destroy(): SCTP API not initialized
```
#### SIP Traffic
<!--
If the issue is exposed by processing specific SIP messages, grab them with ngrep or save in a pcap file, then add them next, or attach to issue, or provide a link to download them (e.g., to a pastebin site).
-->
```
(paste your sip traffic here)
```
### Possible Solutions
Modify kamctl et. al. to call systemctl for start, stop, restart commands. Alternatively have kamctl call setuid() before start, restart, stop commands.
### Additional Information
* **Kamailio Version** - output of `kamailio -v`
On ubuntu 20.04:
```
version: kamailio 5.3.2 (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_BLACKLIST, 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 9.2.1
```
For ubuntu 22.04:
```
version: kamailio 5.6.5 (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 11.4.0
```
* **Operating System**:
For ubuntu 22.04:
```
root@my_22.04_ubuntu:~# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 22.04.3 LTS
Release: 22.04
Codename: jammy
root@my_22.04_ubuntu:~# uname -a
Linux my_22.04_ubuntu 5.15.0-94-generic #104-Ubuntu SMP Tue Jan 9 15:25:40 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
root@my_22.04_ubuntu:~#
```
For ubuntu 20.04
```
root@my_20.04_ubuntu:~# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.04.6 LTS
Release: 20.04
Codename: focal
root@my_20.04_ubuntu:~# uname -a
Linux my_20.04_ubuntu 5.4.0-171-generic #189-Ubuntu SMP Fri Jan 5 14:23:02 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
root@my_20.04_ubuntu:~#
```
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Message ID: <kamailio/kamailio/issues/3752(a)github.com>
### Description
Kamailio segfaults when KEMI functions are invoked from app_python script
### Troubleshooting
The same code was running ok with the 5.6 branch.
It seems that the function sr_apy_kemi_exec_func_ex has been re-written in 5.7 with the following main changes :
- The long IF/ELSE statement was replace by a FOR loop
- The call to PyArg_ParseTuple function was replaced by the call to PyList_GetItem ==> **This seems to be the cause. The value returned by this function is alway NULL**
#### Reproduction
Any call to KSR.pv.seti function from a PYTHON 2 script would cause this error.
#### Log Messages
```
sbin/kamailio[18449]: ERROR: app_python [apy_kemi.c:280]: sr_apy_kemi_exec_func_ex(): null parameter - func: seti idx: 0 argc:
2
Feb 6 11:34:16 .../sbin/kamailio[18509]: CRITICAL: <core> [core/pass_fd.c:281]: receive_fd(): EOF on 37
Feb 6 11:34:16 .../sbin/kamailio[18380]: ALERT: <core> [main.c:793]: handle_sigs(): child process 18449 exited by a signal 11
Feb 6 11:34:16 .../sbin/kamailio[18380]: ALERT: <core> [main.c:796]: handle_sigs(): core was not generated
Feb 6 11:34:16 .../sbin/kamailio[18380]: INFO: <core> [main.c:818]: handle_sigs(): terminating due to SIGCHLD
Feb 6 11:34:16 .../sbin/kamailio[18509]: INFO: <core> [main.c:874]: sig_usr(): signal 15 received
Feb 6 11:34:16 .../sbin/kamailio[18502]: INFO: <core> [main.c:874]: sig_usr(): signal 15 received
Feb 6 11:34:16 .../sbin/kamailio[18495]: INFO: <core> [main.c:874]: sig_usr(): signal 15 received
Feb 6 11:34:16 .../sbin/kamailio[18482]: INFO: <core> [main.c:874]: sig_usr(): signal 15 received
```
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### Description
All kamailio versions on the 5.7.x train and additionally point release 5.6.5 break early dialog transactions, at least when the following conditions are (cumulatively) met:
* topos-redis is enabled (haven't tested other storage backends yet, let me know if needed)
* kamailio is multihomed
* enable_double_rr is enabled (the default)
### Troubleshooting
#### SIP Traffic
Here's an exchange demonstrating the problem:
```
kamailio instance
──────────┬──────────────────┬─────────
internal external peer
172.30.154.1:5060 185.73.43.241:5060 195.167.21.66:5060
──────────┬──────────────────┬───────── ──────────┬─────────
│ │ │
│ │ │
│ │ │
│ │ │
│ │ │
│ │ │
│ │ │
│ │ │
│ │ INVITE (SDP) │
│ │ ──────────────────────────> │
│ │ 100 Trying │
│ │ <────────────────────────── │
│ │ 183 Session Progress (SDP) │
│ │ <────────────────────────── │
│ │ PRACK │
│ │ ──────────────────────────> │
│ │ 200 OK │
│ │ <────────────────────────── │
│ │ UPDATE (SDP) │
UPDATE (SDP) │ │
<─────────────────────────── │ │
```
Whereas the expected behaviour should be:
```
│ │ UPDATE (SDP) │
| <────────────────────────── │
UPDATE (SDP)│ │ │
<───────── │ │ │
```
This is also exemplified by examining the Via headers as rewritten by kamailio.
Not working (>= 5.6.5, 5.7.x):
* Inbound Via: `Via: SIP/2.0/UDP 195.167.21.66:5060;branch=z9hG4bKtjlwcpvfh03epe0thhtjhq3qg;Role=3;Hpt=8e58_16`
* Oubound Via: `Via: SIP/2.0/UDP 185.73.43.241;branch=z9hG4bK66c4.3453dd9a219858819d528b9da671e39e.0`
Working (5.6.4):
* Inbound Via: `Via: SIP/2.0/UDP 195.167.21.66:5060;branch=z9hG4bK8lj1ahz6npz65khd8jkzl1ohh;Role=3;Hpt=8e68_16`
* Oubound Via: `Via: SIP/2.0/UDP 172.30.154.1;branch=z9hG4bK4dce.4f5448efd64465fa5dbaf5eef0dc35b7.0`
### Possible Solutions
Only solution I have found so far is to downgrade to kamailio 5.6.4
<!--
If you found a solution or workaround for the issue, describe it. Ideally, provide a pull request with a fix.
-->
### Additional Information
```
version: kamailio 5.7.4 (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, 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_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
```
But I have also tested all 5.7.x versions, which are all affected, as well 5.6.5.
* **Operating System**:
<!--
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```
Linux host 5.10.0-27-amd64 #1 SMP Debian 5.10.205-2 (2023-12-31) x86_64 GNU/Linux
```
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Message ID: <kamailio/kamailio/issues/3757(a)github.com>
#### Type Of Change
- [ ] Small bug fix (non-breaking change which fixes an issue)
- [x] New feature (non-breaking change which adds new functionality)
- [ ] Breaking change (fix or feature that would change existing functionality)
#### Checklist:
- [ ] PR should be backported to stable branches
- [x] Tested changes locally
- [ ] Related to issue #XXXX (replace XXXX with an open issue number)
#### Description
This patch introduces a new "time" field for JSON logging to stderr. The CEE format already includes this field, but the Kamailio-specific format doesn't. If you need timestamps in your structured logs, but don't want to use the CEE format due to its limitations, this patch'd give you the best of both worlds.
I know this comes a little out of the blue, so any feedback is welcome.
You can view, comment on, or merge this pull request online at:
https://github.com/kamailio/kamailio/pull/3795
-- Commit Summary --
* core: dprint - include time in stderr json log
-- File Changes --
M src/core/dprint.c (44)
-- Patch Links --
https://github.com/kamailio/kamailio/pull/3795.patchhttps://github.com/kamailio/kamailio/pull/3795.diff
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#### Type Of Change
- [ ] Small bug fix (non-breaking change which fixes an issue)
- [x] New feature (non-breaking change which adds new functionality)
- [ ] Breaking change (fix or feature that would change existing functionality)
#### Checklist:
- [ ] PR should be backported to stable branches
- [x] Tested changes locally
- [ ] Related to issue #XXXX (replace XXXX with an open issue number)
#### Description
Enhance xhttp_prom module to export pkgmem stats.
The new stats can be enabled via a new module parameter: `xhttp_prom_pkgmem_stats_enabled`.
Default value for the new module parameter: 0 (no pkg mem stats are generated).
Any value different then 0 will export the pkg mem statistics.
You can view, comment on, or merge this pull request online at:
https://github.com/kamailio/kamailio/pull/3793
-- Commit Summary --
* kex: expose access to pkg mem stats
* xhttp_prom: export pkg mem stats
-- File Changes --
A src/modules/kex/api.c (54)
A src/modules/kex/api.h (69)
M src/modules/kex/kex_mod.c (2)
M src/modules/kex/pkg_stats.c (24)
M src/modules/kex/pkg_stats.h (17)
M src/modules/xhttp_prom/prom.c (66)
M src/modules/xhttp_prom/xhttp_prom.c (44)
M src/modules/xhttp_prom/xhttp_prom.h (16)
-- Patch Links --
https://github.com/kamailio/kamailio/pull/3793.patchhttps://github.com/kamailio/kamailio/pull/3793.diff
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Hello,
with many countries having public holidays around Catholic Easter, I am
considering to release Kamailio v5.8.1 (out of branch 5.8) on Wednesday,
April 3, 2024. If anyone is aware of issues not yet on the bug tracker,
report them there asap in order to have a better chance to be fixed.
Cheers,
Daniel
--
Daniel-Constantin Mierla (@ asipto.com)
twitter.com/miconda -- linkedin.com/in/miconda
Kamailio Consultancy, Training and Development Services -- asipto.com
Kamailio World Conference, April 18-19, 2024, Berlin -- kamailioworld.com
<!-- Kamailio Pull Request Template -->
<!--
IMPORTANT:
- for detailed contributing guidelines, read:
https://github.com/kamailio/kamailio/blob/master/.github/CONTRIBUTING.md
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- backports to stable branches must be done with 'git cherry-pick -x ...'
- code is contributed under BSD for core and main components (tm, sl, auth, tls)
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#### Pre-Submission Checklist
<!-- Go over all points below, and after creating the PR, tick all the checkboxes that apply -->
<!-- All points should be verified, otherwise, read the CONTRIBUTING guidelines from above-->
<!-- If you're unsure about any of these, don't hesitate to ask on sr-dev mailing list -->
- [ ] Commit message has the format required by CONTRIBUTING guide
- [x] Commits are split per component (core, individual modules, libs, utils, ...)
- [x] Each component has a single commit (if not, squash them into one commit)
- [x] No commits to README files for modules (changes must be done to docbook files
in `doc/` subfolder, the README file is autogenerated)
#### Type Of Change
- [x] Small bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds new functionality)
- [ ] Breaking change (fix or feature that would change existing functionality)
#### Checklist:
<!-- Go over all points below, and after creating the PR, tick the checkboxes that apply -->
- [ ] PR should be backported to stable branches
- [x] Tested changes locally
- [ ] Related to issue #XXXX (replace XXXX with an open issue number)
#### Description
<!-- Describe your changes in detail -->
When we use DNS failover in case of timeout kamailio executes the branch_failure route. In the case of the 503 - on_reply route. This commit is to equate behavior in both cases. So if there are more candidates we will always execute branch_failure route and on_reply route only if this is the last candidate.
You can view, comment on, or merge this pull request online at:
https://github.com/kamailio/kamailio/pull/3138
-- Commit Summary --
* branch_failure route in case 503 and dns failover
-- File Changes --
M src/modules/tm/t_reply.c (52)
-- Patch Links --
https://github.com/kamailio/kamailio/pull/3138.patchhttps://github.com/kamailio/kamailio/pull/3138.diff
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### Description
Consider adding socket options SO_BINDTODEVICE when the interface name is given for listening in the config file. This will be useful in listening to linux VRF interfaces, especially when there are two different VRFs and it is required to proxy SIP messages between the VRFs
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