2 Jul
2021
2 Jul
'21
1:11 a.m.
Confirmed it was due to the sngrep copy. Thanks for mentioning it!
-dan
From: sr-users <sr-users-bounces(a)lists.kamailio.org> on behalf of Ben Kaufman
<bkaufman(a)nexvortex.com>
Reply-To: "Kamailio (SER) - Users Mailing List"
<sr-users(a)lists.kamailio.org>
Date: Thursday, July 1, 2021 at 12:49 PM
To: "Kamailio (SER) - Users Mailing List" <sr-users(a)lists.kamailio.org>
Subject: Re: [SR-Users] SECSIPID Identity Decode
Dump the header to your log file, and copy it from there. I don’t know what happens with
the ncurses in sngrep, but I finally looked them side by side and …. “Hey! This one’s
missing bytes!”
Ben Kaufman
Sr. VoIP Engineer
P:
E: bkaufman@nexvortex.com<mailto:bkaufman@nexvortex.com>
24 hour client support: 855.639.6300<tel:+18556396300>
From: sr-users <sr-users-bounces(a)lists.kamailio.org> On Behalf Of Daniel W. Graham
Sent: Thursday, July 1, 2021 10:25 AM
To: Kamailio (SER) - Users Mailing List <sr-users(a)lists.kamailio.org>
Subject: Re: [SR-Users] SECSIPID Identity Decode
Haha, yep :) I wondered if that was biting me.
-dan
On Jul 1, 2021, at 11:07 AM, Ben Kaufman
<bkaufman@nexvortex.com<mailto:bkaufman@nexvortex.com>> wrote:
I observed a similar behavior, but it was the result of my cutting and pasting the
identity header from sngrep, which looks to have dropped a few bytes on the line break.
Any chance that’s what you’re doing, too?
Ben Kaufman
Sr. VoIP Engineer
P:
E: bkaufman@nexvortex.com<mailto:bkaufman@nexvortex.com>
24 hour client support: 855.639.6300<tel:+18556396300>
From: sr-users
<sr-users-bounces@lists.kamailio.org<mailto:sr-users-bounces@lists.kamailio.org>>
On Behalf Of Daniel W. Graham
Sent: Wednesday, June 30, 2021 10:31 PM
To: Kamailio (SER) - Users Mailing List
<sr-users@lists.kamailio.org<mailto:sr-users@lists.kamailio.org>>; David
Villasmil
<david.villasmil.work@gmail.com<mailto:david.villasmil.work@gmail.com>>;
Daniel-Constantin Mierla <miconda@gmail.com<mailto:miconda@gmail.com>>
Subject: Re: [SR-Users] SECSIPID Identity Decode
Here is an example, payload taken from Identity header.
Identity was added with secsipid_add_identity
Payload test:
$var(test) =
"eyJhdHRlc3QiOiJBIiwiZGVzdCI6eyJ0biI6I5ODkyODkyMjgwIl19LCJpYXQiOjE2MjUxMDk2MzQsIm9yaWciOnsidG4iOiI5ODk0MDA0MjMwIn0sIm9yaWdpZCI6IjNmYmE4NTg0LTRkNzMtNGU2NC04NDc5LTQ5MjU2ZGIyMWFhYSJ9";
xlogl("L_WARN", "$(var(test){s.decode.base64t})\n");
Result is:
{"attest":"A","dest":{"tn":#���#��##�#002%���&�#027B#�#023c#S#023#003�#023sB�&�&�r#��'F�#�#���C#003#003C#3#002'��&�&�v�B#�Vc�s#006f"�&6#026#022�CVCB�#023c3#022�3#0066#�#026#6#026S�r'
-dan
From: sr-users
<sr-users-bounces@lists.kamailio.org<mailto:sr-users-bounces@lists.kamailio.org>>
on behalf of Daniel Graham <dan@cmsinter.net<mailto:dan@cmsinter.net>>
Reply-To: "Kamailio (SER) - Users Mailing List"
<sr-users@lists.kamailio.org<mailto:sr-users@lists.kamailio.org>>
Date: Wednesday, June 30, 2021 at 5:32 PM
To: David Villasmil
<david.villasmil.work@gmail.com<mailto:david.villasmil.work@gmail.com>>,
"miconda@gmail.com<mailto:miconda@gmail.com>"
<miconda@gmail.com<mailto:miconda@gmail.com>>, "Kamailio (SER) - Users
Mailing List"
<sr-users@lists.kamailio.org<mailto:sr-users@lists.kamailio.org>>
Subject: Re: [SR-Users] SECSIPID Identity Decode
That’s the same way I am doing it, I was just trying to do a verification that the
identity header/payload was correct before activating new changes.
I will do further testing and share results. Just found it odd that the header would
decode but payload wouldn’t.
Daniel W. Graham, CTO
CMSInter.net LLC
DIRECT (989) 400-4230
INTERNET | TELEPHONE | MANAGED IT
From: David Villasmil
<david.villasmil.work@gmail.com<mailto:david.villasmil.work@gmail.com>>
Date: Wednesday, June 30, 2021 at 4:06 PM
To: "miconda@gmail.com<mailto:miconda@gmail.com>"
<miconda@gmail.com<mailto:miconda@gmail.com>>, "Kamailio (SER) - Users
Mailing List"
<sr-users@lists.kamailio.org<mailto:sr-users@lists.kamailio.org>>
Cc: Daniel Graham <dan@cmsinter.net<mailto:dan@cmsinter.net>>
Subject: Re: [SR-Users] SECSIPID Identity Decode
I DO IT WITH:
# Break JWT
$var(jwt1) = $(hdr(Identity){s.select,0,.}{s.decode.base64t});
$var(jwt2) = $(hdr(Identity){s.select,1,.}{s.decode.base64t});
Regards,
David Villasmil
email: david.villasmil.work@gmail.com<mailto:david.villasmil.work@gmail.com>
phone: +34669448337
On Wed, Jun 30, 2021 at 8:48 PM Daniel-Constantin Mierla
<miconda@gmail.com<mailto:miconda@gmail.com>> wrote:
Hello,
not familiar with python functions, have you tried with Kamailio transformation?
https://www.kamailio.org/wiki/cookbooks/5.5.x/transformations#sdecodebase64…
Maybe you have to specify in Python that it is ASCII, I remember I had to do decoding when
porting kamcli to work with Python3 -- had to change from using directly the variables
received as parameter to a decoded value, something like:
prefix = tprefix.encode("ascii", "ignore").decode()
Also, if you can, share the identity header here to test with and see if can be
reproduced.
Cheers,
Daniel
On 30.06.21 21:14, Daniel W. Graham wrote:
I am unable to base64url decode the json payload in identity header generated by
secsipid.
(Using python for test)
decoded_payload = url64.decode(‘payload’)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xc2 in position 27:
invalid continuation byte
Header decodes fine this way but not payload.
Is this an issue with the payload encoding?
Kamailio 5.5
Daniel W. Graham, CTO
CMSInter.net LLC
DIRECT (989) 400-4230
INTERNET | TELEPHONE | MANAGED IT
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Daniel-Constantin Mierla -- www.asipto.com<http://www.asipto.com>
www.twitter.com/miconda<http://www.twitter.com/miconda> --
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