[OpenSIPS-Users] uac_auth() segfault
Bogdan-Andrei Iancu
bogdan at opensips.org
Fri Apr 4 14:41:18 CEST 2014
Maybe, maybe not...
Follow http://www.opensips.org/Documentation/TroubleShooting-Crash and
post the backtrace for your crash.
Regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com
On 04.04.2014 14:19, Alexander Mustafin wrote:
> Hello!
>
> I can’t find commit in git for this problem.
>
> Maybe, my problem related:
>
> opensips[4065]: segfault at 0 ip (null) sp 00007fff64ade248 error 14
> in opensips[400000+14c000]
>
>
> Best regards,
> Alexander Mustafin
> mustafin.aleksandr at gmail.com <mailto:mustafin.aleksandr at gmail.com>
>
>
>
>
> 27 марта 2014 г., в 2:08, Justin Zondagh <zondagh at gmail.com
> <mailto:zondagh at gmail.com>> написал(а):
>
>> Thanks Bogdan, glad we could fix it.
>>
>> Regards,
>> Justin
>>
>> *
>> *
>> *Justin Zondagh
>> *zondagh at gmail.com <mailto:zondagh at gmail.com>
>>
>> Cape Town | South Africa
>> skype: jrzondagh
>> m: +27 72 598 4887 | f: +27 86 546 1405
>> uk:**+44 20 328 99610
>>
>>
>> On Wed, Mar 26, 2014 at 7:57 PM, Bogdan-Andrei Iancu
>> <bogdan at opensips.org <mailto:bogdan at opensips.org>> wrote:
>>
>> Hello Justin,
>>
>> Thanks for all your help - I managed to find and fix the bug -
>> please update from GIT and try again.
>>
>> Best regards,
>>
>> Bogdan-Andrei Iancu
>> OpenSIPS Founder and Developer
>> http://www.opensips-solutions.com <http://www.opensips-solutions.com/>
>>
>> On 25.03.2014 21:31, Justin Zondagh wrote:
>>> Hi Bogdan,
>>>
>>> I placed the LM_DBG as follows
>>>
>>> if ( is_script_func_used("uac_auth", -1) ) {
>>> /* load the UAC_AUTH API as uac_auth() is
>>> invoked from script */
>>> if(load_uac_auth_api(&uac_auth_api)<0){
>>> LM_ERR("can't load UAC_AUTH API, needed for uac_auth()\n");
>>> goto error;
>>> }
>>>
>>> LM_DBG("Loaded uac_auth api as found in script");
>>> }
>>>
>>> But nothing appears in the log on init.
>>>
>>>
>>>
>>> I'm using the uac_auth() in a failure route
>>>
>>>
>>>
>>> failure_route[ip_auth_fail]
>>> {
>>>
>>> if (t_check_status("401")) {
>>> xlog("L_INFO","[$ci] Got 401 from Proxy\n");
>>>
>>> avp_db_query("select password from registrant where username =
>>> '$(avp(authuser){s.escape.common})'","$avp(authpass)");
>>>
>>> $avp(authrealm) = "";
>>>
>>> $avp(www) = $(<reply>hdr(WWW-Authenticate));
>>> avp_subst("$avp(www)", "/Digest\s//");
>>>
>>> #Get the realm from the www-auth header
>>> $var(numkvp) = $(avp(www){csv.count});
>>> $var(i) = 0;
>>> while($var(i) < $var(numkvp)) {
>>>
>>> $var(temp) =
>>> $(avp(www){s.select,$var(i),,});
>>>
>>> if ($var(temp) =~ "realm.*") {
>>> $avp(authrealm) = $var(temp);
>>> avp_subst("$avp(authrealm)","/(realm=\")(.*)(\")/\2/");
>>> #$avp(authrealm) := "asterisk";
>>> }
>>>
>>> $var(i) = $var(i) + 1;
>>> }
>>>
>>> xlog("L_INFO","[$ci] authrealm is [$avp(authrealm)], authuser is
>>> [$avp(authuser)], authpass is [$avp(authpass)]\n");
>>>
>>> #No need for loop prevention as Proxy sends 183
>>> early media recording saying password is wrong, then sends 603
>>>
>>> if (uac_auth()) {
>>> xlog("L_INFO","[$ci] Built auth, sending back to Proxy\n");
>>>
>>> t_on_failure("ip_auth_fail");
>>>
>>> # the $du should really be uri as
>>> specified in Record-Route in 401, but using reply's source IP
>>> for now
>>> $du = "sip:" + $(<reply>si) + ":5060";
>>>
>>> xlog("L_INFO", "[$ci] Sending request with Auth header to [$du]\n");
>>> t_relay();
>>>
>>> }
>>> }
>>>
>>> if (t_was_cancelled()) {
>>> exit;
>>> }
>>>
>>> }
>>>
>>>
>>>
>>> *
>>> *
>>> *Justin Zondagh
>>> *zondagh at gmail.com <mailto:zondagh at gmail.com>
>>>
>>> Cape Town | South Africa
>>> skype: jrzondagh
>>> m: +27 72 598 4887 <tel:%2B27%2072%20598%204887> | f: +27 86 546
>>> 1405 <tel:%2B27%2086%20546%201405>
>>> uk:**+44 20 328 99610 <tel:%2B44%2020%20328%2099610>
>>>
>>>
>>> On Tue, Mar 25, 2014 at 7:28 PM, Bogdan-Andrei Iancu
>>> <bogdan at opensips.org <mailto:bogdan at opensips.org>> wrote:
>>>
>>> Hello Justin,
>>>
>>> In the 1.10 code, in the UAC module, in the mod_init
>>> function, the binding to UAC AUTH module is to be done. See
>>> line 171 in modules/uac/uac.c
>>>
>>>
>>> if ( is_script_func_used("uac_auth", -1) ) {
>>> /* load the UAC_AUTH API as uac_auth() is invoked
>>> from script */
>>> if(load_uac_auth_api(&uac_auth_api)<0){
>>> LM_ERR("can't load UAC_AUTH API, needed for
>>> uac_auth()\n");
>>> goto error;
>>> }
>>> }
>>>
>>>
>>> Maybe the is_script_func_used() doesn't trigger properly
>>> there - in what kind of route are you using the uac_auth()
>>> function ? Could you place a LM_DBG() in that 'if' statement
>>> to see if it goes in there ?
>>>
>>> Thank and regards,
>>>
>>> Bogdan-Andrei Iancu
>>> OpenSIPS Founder and Developer
>>> http://www.opensips-solutions.com <http://www.opensips-solutions.com/>
>>>
>>> On 25.03.2014 14:28, Justin Zondagh wrote:
>>>> Hi Bogdan,
>>>>
>>>> I have found and fixed the bug. The uac_auth_api wasn't
>>>> being loaded before being called as you suspected.
>>>>
>>>> I added this code
>>>>
>>>> if(load_uac_auth_api(&uac_auth_api) < 0){
>>>> LM_INFO("Error loading uac_auth_api");
>>>> goto error;
>>>> }
>>>>
>>>>
>>>> before calling the API on the next line:
>>>>
>>>> crd = uac_auth_api._lookup_realm( &auth->realm );
>>>>
>>>>
>>>> Seems to work now...
>>>>
>>>> How do we commit this to code base?
>>>>
>>>> Regards,
>>>> Justin
>>>>
>>>>
>>>> *
>>>> *
>>>> *Justin Zondagh
>>>> *zondagh at gmail.com <mailto:zondagh at gmail.com>
>>>>
>>>> Cape Town | South Africa
>>>> skype: jrzondagh
>>>> m: +27 72 598 4887 <tel:%2B27%2072%20598%204887> | f: +27
>>>> 86 546 1405 <tel:%2B27%2086%20546%201405>
>>>> uk:**+44 20 328 99610 <tel:%2B44%2020%20328%2099610>
>>>>
>>>>
>>>> On Tue, Mar 25, 2014 at 10:18 AM, Justin Zondagh
>>>> <zondagh at gmail.com <mailto:zondagh at gmail.com>> wrote:
>>>>
>>>> They were the wrong way round, but swapped them and
>>>> seems to have the same issue:
>>>>
>>>
>>>
>>
>>
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