Hello.

As we will change our Gitlab rights soon, please submit your pull
request on our Github mirror https://github.com/BelledonneCommunications/

Regards

Peio Rigaux
Junior Software Engineer
Belledonne Communications, the company behind Linphone
Linphone.org <https://linphone.org/>

Le 08/04/2020 à 22:13, Waishon a écrit :
> I've created a patch which fixes the "issue" and sent an
> contributor agreement to your sales department. Where do you want me
> to create a merge request? In your gitlab instance? However as a new
> user you don't have the permissions to create a fork of a project.
>
> Am Di., 7. Apr. 2020 um 14:32 Uhr schrieb Waishon
> <[email protected] <mailto:[email protected]>>:
>
>     I just investigated the issue: Some providers tend to send the
>     IPv6 address in the received parameter with square brackets some
>     do not. Currently linphone only handles the event without having
>     square brackets:
>     
> https://github.com/BelledonneCommunications/belle-sip/blob/master/src/grammars/belle_sip_message.g#L1933
>
>     The problem is described in this rfc information.
>     https://tools.ietf.org/html/rfc5118#section-4.5
>
>     LinPhone should handle both cases. A quick solution would be to
>     add a "| ipv6reference" in line 1933. I just tested it and both
>     SIP providers with or without brackets now works absolutely fine.
>     However I don't know if we're allowed to use ipv6reference here,
>     because it seems to be a function and not a simple grammar rule
>     like ipv6address or ipv4address. Maybe someone can confirm if this
>     would be a correct fix so that I can create a pull request.
>
>     Am Mo., 6. Apr. 2020 um 23:48 Uhr schrieb Waishon
>     <[email protected] <mailto:[email protected]>>:
>
>         Hey there,
>
>         I'm currently trying to connect to a SIP server using IPv6,
>         which fails.
>
>         Linphone fails to decode the IPv6 address sent back in the Via
>         header of the 401 Unauthorized reply (after first REGISTER
>         request). The IPv6 is in the "URL encoded" format with squared
>         brackets: [2000:abc::1]:5060. There seems to be an issue in the 
>         protocol definition where an IPv6 address isn't allowed to
>         contain squared brackets.
>         
> https://github.com/BelledonneCommunications/belle-sip/blob/master/src/grammars/belle_sip_message.g#L1933
>
>         Which is used here:
>         
> https://github.com/BelledonneCommunications/belle-sip/blob/master/src/grammars/belle_sip_message.g#L1412
>
>         The following error is shown in the log when this parsing
>         error occurrs:
>
>         |2020-04-06 17:02:35:725 MESSAGE
>         [org.antlr.runtime.MismatchedTokenException] reason [1342:1:
>         via_params : ( via_received[$header_via::current] |
>         generic_param[BELLE_SIP_PARAMETERS($header_via::current)] );]
>         2020-04-06 17:02:35:725 ERROR header_via parser error for
>         [Via:SIP/2.0/UDP
>         
> [2001:470:xxx:xxx::b56b]:5060;branch=z9hG4bK.XtPlwI23x;rport=5060;received=[2001:470:xxx:xxx::b56b]]
>         2020-04-06 17:02:35:726 MESSAGE channel [0x1b7a4f0] [563]
>         bytes parsed 2020-04-06 17:02:35:727 ERROR channel
>         [0x1b7a4f0]: no via in response. 2020-04-06 17:02:35:727
>         WARNING Response has no via. 2020-04-06 17:02:35:727 WARNING
>         Discarding stateless response [401]|
>
>         I'm using the latest flatpak version of Linphone on Ubuntu 19.10:
>         Desktop 4.1.1 - Qt5.9.0
>         Core 3.12.0
>
>         This bug is very annoying, because multiple SIP providers do
>         support IPv6 and we would like to use the advantages of IPv6
>         SIP, so disabling IPv6 isn't an option :)
>
>         Thank you very much in advance.
>
>         Gruß
>         Sören
>
>
> _______________________________________________
> Linphone-users mailing list
> [email protected]
> https://lists.nongnu.org/mailman/listinfo/linphone-users

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