[SR-Users] userblacklist use avp for check_blacklist

Jan Hazenberg jenus at cyberchaos.nl
Thu Jun 23 14:45:31 CEST 2016


Daniel,

Here the output of the bt command. This was generated with kamailio 
4.4.1

Core was generated by `/usr/local/sbin/kamailio -P /var/run/kamailio.pid 
-m 768 -M 16 -u kamailio -g k'.
Program terminated with signal 11, Segmentation fault.
#0  0x00007f22fd2526fb in str2int (_s=0x7ffc529b73c0, _r=0x30) at 
../../parser/../parser/../ut.h:643
643             *_r = 0;
Missing separate debuginfos, use: debuginfo-install 
glibc-2.12-1.166.el6_7.7.x86_64 keyutils-libs-1.4-5.el6.x86_64 
krb5-libs-1.10.3-42z1.el6_7.x86_64 libcom_err-1.41.12-22.el6.x86_64 
libselinux-2.0.94-5.8.el6.x86_64 libxml2-2.7.6-20.el6_7.1.x86_64 
mysql-libs-5.1.73-5.el6_6.x86_64 
nss-softokn-freebl-3.14.3-23.el6_7.x86_64 
openssl-1.0.1e-42.el6_7.4.x86_64 pcre-7.8-7.el6.x86_64 
zlib-1.2.3-29.el6.x86_64
(gdb) bt
#0  0x00007f22fd2526fb in str2int (_s=0x7ffc529b73c0, _r=0x30) at 
../../parser/../parser/../ut.h:643
#1  0x00007f22fd252ece in check_user_blacklist_fixup 
(param=0x7f23061cdd88, param_no=1) at userblacklist.c:213
#2  0x0000000000531e49 in fix_actions (a=0x7f23061cdd28) at route.c:919
#3  0x00000000005613b7 in fix_rval (rv=0x7f23061cfa68) at rvalue.c:2876
#4  0x000000000057323e in fix_rval_expr (p=0x7f23061cfa60) at 
rvalue.c:3797
#5  0x0000000000573253 in fix_rval_expr (p=0x7f23061cf350) at 
rvalue.c:3808
#6  0x000000000052da79 in fix_actions (a=0x7f23061ce7f0) at route.c:706
#7  0x000000000053da17 in fix_rl (rt=0xac8640) at route.c:2088
#8  0x000000000053da4d in fix_rls () at route.c:2104
#9  0x00000000004b83ea in main (argc=11, argv=0x7ffc529b8158) at 
main.c:2605
(gdb)


Thanks,

Jan

Daniel-Constantin Mierla schreef op 2016-06-23 12:53:
> Hello,
> 
> send the all the output of 'bt' command inside gdb. It will give the
> full execution stack, likely the problem is not in frame 0, but in a
> previous one.
> 
> Cheers,
> Daniel
> 
> 
> On 23/06/16 12:47, Jan Hazenberg wrote:
>> I just tried to use the check_user_blacklist function but then
>> kamailio crashed when i start it. I'm using the following code:
>> 
>> 
>>         if (!check_user_blacklist("blacklist", "$avp(from_domain)",
>> "$(avp(ruri_number){s.substr,1,0})")) {
>>                 xlog("L_ALERT", "ALERT: $rU is blacklisted, rejecting
>> call - IP=$si PORT=$sp R=$ru ID=$ci FU=$fu M=$rm UA=$ua\n");
>>                 sl_send_reply("403", "Forbidden");
>>                 exit;
>>         }
>> 
>> This is the GDB output:
>> 
>> Core was generated by `/usr/local/sbin/kamailio -P
>> /var/run/kamailio.pid -m 768 -M 16 -u kamailio -g k'.
>> Program terminated with signal 11, Segmentation fault.
>> #0  0x00007fdf4b2be6fb in str2int (_s=0x7fff312b7bd0, _r=0x30) at
>> ../../parser/../parser/../ut.h:643
>> 643             *_r = 0;
>> 
>> 
>> I have kamailio 4.4.0 installed, just tested with 4.4.1 and the result
>> is the same.
>> 
>> Thanks,
>> 
>> Jan
>> 
>> Jan Hazenberg schreef op 2016-06-23 09:47:
>>> Hello,
>>> 
>>> I'm trying to use the userblacklist module to implement a global
>>> blacklist. I have a few questions about the module.
>>> 
>>> Is it possible to use a avp for the check_blacklist function? If i'm
>>> correct it will only parse the request URI, but i'm rewriting the URI
>>> in a branch route to allow different formats to different
>>> destinations. Or is this only possible with the check_user_blacklist
>>> function?
>>> 
>>> I also have a issue with numbers in E164 format with a leading +. I
>>> tried to escape this with a \ in the database but it will not load 
>>> the
>>> entry's when i use the + in front of the number. Is the + supported 
>>> by
>>> this module or should i strip it before the function and add it again
>>> afterwards?
>>> 
>>> Thanks,
>>> 
>>> Jan
>>> 
>>> 
>>> 
>>> _______________________________________________
>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing 
>>> list
>>> sr-users at lists.sip-router.org
>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>> 
>> _______________________________________________
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>> list
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