[SR-Users] Fwd: Stack smash error when using auth_ephemeral with KEMI

[Daniel-Constantin Mierla]

Hello,

can you try with latest git branch 5.2? I pushed a commit that
eventually fixes it.

Cheers,
Daniel

On 02.05.19 23:54, Grant Bagdasarian wrote:
> Hi Daniel,
>
> See pastebin url below for the backtrace.
> https://pastebin.com/tTUUk4YH
>
> Hopefully I did it the right way. Please let me know if you need anything else.
> FYI, Kamailio is running inside of a docker container.
>
> version: kamailio 5.2.1 (x86_64/linux)
> flags: STATS: Off, USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS,
> USE_RAW_SOCKS, 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_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
>
> I can easily replicate this, but to be sure I've saved the core file
> locally on my machine.
>
> Regards,
>
> Grant
>
> On Thu, May 2, 2019 at 10:05 AM Daniel-Constantin Mierla
> <miconda at gmail.com> wrote:
>> Hello,
>>
>> can you get a core file for this case?
>>
>> Set `ulimit -c unlimited` before starting Kamailio as root and run again.
>>
>> Once you have the core file, get the backtrace with gdb.
>>
>> Cheers,
>> Daniel
>>
>> On 01.05.19 20:26, Grant Bagdasarian wrote:
>>> Hello,
>>>
>>> I was trying out the auth_ephemeral module inside the xhttp
>>> event_route in Python KEMI, and discovered a possible bug.
>>>
>>> https://pastebin.com/4Ghumfis
>>>
>>> The following will result in the stack smash error. Whenever I leave
>>> out the unixtimestamp the
>>> module will complain about not being able to convert to an int, which
>>> make sense, but doesn't lead to a stack smash error and a complete
>>> crash of Kamailio.
>>>
>>> KSR.auth_ephemeral.autheph_authenticate("1576734089:grant", "1234").
>>>
>>> According to the documentation this module can only be used in
>>> REQUEST_ROUTE, but I found a presentation online which also used this
>>> module and that particular function in event_route, which is what I
>>> need for WebSocket authentication.
>>>
>>> Hope this helps. Please let me know if you need more information.
>>>
>>> Regards,
>>>
>>> Grant
>>>
>>> _______________________________________________
>>> Kamailio (SER) - Users Mailing List
>>> sr-users at lists.kamailio.org
>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>> --
>> Daniel-Constantin Mierla -- www.asipto.com
>> www.twitter.com/miconda -- www.linkedin.com/in/miconda
>> Kamailio World Conference - May 6-8, 2019 -- www.kamailioworld.com
>>
> _______________________________________________
> Kamailio (SER) - Users Mailing List
> sr-users at lists.kamailio.org
> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users

-- 
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Kamailio World Conference - May 6-8, 2019 -- www.kamailioworld.com