[SR-Users] SIPT append_body_part \x00 how to?..
Daniel-Constantin Mierla
miconda at gmail.com
Fri Apr 6 14:54:29 CEST 2018
Hello,
On 06.04.18 10:42, Sergey Basov wrote:
> Hi Daniel.
>
> Thank you.
>
> It works like expected!
ok, thanks for testing and reporting back!
>
> Now when i do
>
> set_body_multipart(,"2123894789_1257887457");
> msg_apply_changes();
> append_body_part_hex("01 10 48 00 0a 00 02 09 07 03 90 90 13 71 32 20
> 0a 04 02 13 73 12
> 00","application/isup;version=itu-t92+","signal;handling=optional");
> msg_apply_changes();
> sipt_destination($(rU{s.strip,1}), 31, 3, 0);
> sipt_set_calling($fU, 3, 0, 3);
>
> I got correct ISUP part.
>
> Now I will try to document and commit some SIPT module functions to
> get forwarding info.
This would be useful indeed, such contribution will be good.
Cheers,
Daniel
>
> Thank you Daniel.
>
>
> --
> Best regards,
> Sergey Basov e-mail: sergey.v.basov at gmail.com
> <mailto:sergey.v.basov at gmail.com>
>
> 2018-04-05 21:12 GMT+03:00 Daniel-Constantin Mierla <miconda at gmail.com
> <mailto:miconda at gmail.com>>:
>
> I pushed append_body_part_hex() function in master branch, which
> expects the parameter in hexa format and it will decode it before
> adding it as a body part. Can you test the function and see if it
> works ok?
>
> Cheers,
> Daniel
>
>
> On 05.04.18 09:32, Daniel-Constantin Mierla wrote:
>>
>>
>>
>> On 05.04.18 09:19, Sergey Basov wrote:
>>>
>>> > Are you doing msg_apply_changes before use of sipt_destination()?
>>>
>>> Yes I do.
>>>
>>> > Why you had to do changes inside sipt module and not inside
>>> append_body_part()?
>>> I have added line to debug append_body_part() function and it
>>> receives string till first \x00 in input...
>>>
>>> May be this problem goes from configuration parser? Can it parse
>>> \x00 as end of value?
>>>
>>> I make change in sipt module because I create ISUP part with
>>> replaced \x00 by \x01 in 3 places.
>>> I know where they are incorrect, so I can change them to 00
>>> while changing number using sipt_destination()
>> OK.
>>
>> I haven't looked at the code to see how the config parser handles
>> this case, could be what you said.
>>
>> A solution might be to add a new function
>> append_body_part_hex(...) where the parameter is given in
>> hexadecimal without escaping and the conversion to binary is done
>> inside the code of the function. Like:
>>
>> append_body_part("01 90 00 20")
>>
>> Spaces can be omitted or ignored.
>>
>> Cheers,
>> Daniel
>>
>>>
>>>
>>> --
>>> Best regards,
>>> Sergey Basov e-mail:
>>> sergey.v.basov at gmail.com <mailto:sergey.v.basov at gmail.com>
>>>
>>> 2018-04-05 8:20 GMT+03:00 Sergey Basov <sergey.v.basov at gmail.com
>>> <mailto:sergey.v.basov at gmail.com>>:
>>>
>>> Hi Daniel,
>>>
>>> I think that kamailio while reading configuration think that
>>> \x00 character is the end of string..
>>>
>>> --
>>> Best regards,
>>> Sergey Basov e-mail:
>>> sergey.v.basov at gmail.com <mailto:sergey.v.basov at gmail.com>
>>>
>>> 2018-04-04 19:47 GMT+03:00 Daniel-Constantin Mierla
>>> <miconda at gmail.com <mailto:miconda at gmail.com>>:
>>>
>>> Hello,
>>>
>>> I haven't looked at the source code, but it looks like
>>> it needs some options to make it work with zero characters.
>>>
>>> Why you had to do changes inside sipt module and not
>>> inside append_body_part()?
>>>
>>> Are you doing msg_apply_changes before use of
>>> sipt_destination()?
>>>
>>> Cheers,
>>> Daniel
>>>
>>>
>>> On 04.04.18 16:19, Sergey Basov wrote:
>>>> Hi All.
>>>>
>>>> Does nobody have any idea how to avoid this?
>>>>
>>>> Thank you.
>>>>
>>>> --
>>>> Best regards,
>>>> Sergey Basov e-mail:
>>>> sergey.v.basov at gmail.com <mailto:sergey.v.basov at gmail.com>
>>>>
>>>> 2018-04-03 17:07 GMT+03:00 Sergey Basov
>>>> <sergey.v.basov at gmail.com
>>>> <mailto:sergey.v.basov at gmail.com>>:
>>>>
>>>> Hi All!
>>>>
>>>> I have some troubles with encoding hex string to
>>>> use as ISUP part.
>>>>
>>>> I have next line:
>>>>
>>>> append_body_part("\x01\x10\x48*\x00*\x0a*\x00*\x02\x09\x07\x03\x90\x90\x13\x71\x32\x20\x0a\x04\x02\x13\x73\x12*\x00*","application/isup;version=itu-t92+","signal;handling=optional");
>>>>
>>>> Problem is in the *\x00 *kamailio reads this string
>>>> till first \x00
>>>>
>>>> May be there is some workaround?
>>>>
>>>> Currently I have added some C code into SIPT module
>>>> to change values in this pisitions first to 00 then
>>>> make other changes.
>>>>
>>>> My current input string is
>>>> append_body_part("\x01\x10\x48*\x01*\x0a*\x01*\x02\x09\x07\x03\x90\x90\x13\x71\x32\x20\x0a\x04\x02\x13\x73\x12*\x01*","application/isup;version=itu-t92+","signal;handling=optional");
>>>>
>>>> I first make replacement \x01 to \x00 while
>>>> executing sipt_destination
>>>>
>>>> May be there is better solution?
>>>>
>>>> Thank you.
>>>> --
>>>> Best regards,
>>>> Sergey Basov e-mail:
>>>> sergey.v.basov at gmail.com
>>>> <mailto:sergey.v.basov at gmail.com>
>>>>
>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> Kamailio (SER) - Users Mailing List
>>>> sr-users at lists.kamailio.org
>>>> <mailto:sr-users at lists.kamailio.org>
>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>> <https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users>
>>>
>>> --
>>> Daniel-Constantin Mierla
>>> www.twitter.com/miconda <http://www.twitter.com/miconda> -- www.linkedin.com/in/miconda
>>> <http://www.linkedin.com/in/miconda>
>>> Kamailio Advanced Training - April 16-18, 2018, Berlin - www.asipto.com <http://www.asipto.com>
>>> Kamailio World Conference - May 14-16, 2018 - www.kamailioworld.com <http://www.kamailioworld.com>
>>>
>>>
>>>
>>
>> --
>> Daniel-Constantin Mierla
>> www.twitter.com/miconda <http://www.twitter.com/miconda> -- www.linkedin.com/in/miconda <http://www.linkedin.com/in/miconda>
>> Kamailio Advanced Training - April 16-18, 2018, Berlin - www.asipto.com <http://www.asipto.com>
>> Kamailio World Conference - May 14-16, 2018 - www.kamailioworld.com <http://www.kamailioworld.com>
>
> --
> Daniel-Constantin Mierla
> www.twitter.com/miconda <http://www.twitter.com/miconda> -- www.linkedin.com/in/miconda <http://www.linkedin.com/in/miconda>
> Kamailio Advanced Training - April 16-18, 2018, Berlin - www.asipto.com <http://www.asipto.com>
> Kamailio World Conference - May 14-16, 2018 - www.kamailioworld.com <http://www.kamailioworld.com>
>
>
--
Daniel-Constantin Mierla
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Kamailio Advanced Training - April 16-18, 2018, Berlin - www.asipto.com
Kamailio World Conference - May 14-16, 2018 - www.kamailioworld.com
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.kamailio.org/pipermail/sr-users/attachments/20180406/5febf057/attachment.html>
More information about the sr-users
mailing list