Crash on iOS with NAT64 network

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Hi Nick,

We have open ticket for ipv6 in (#419
<https://trac.pjsip.org/repos/ticket/419>) and (#422
<https://trac.pjsip.org/repos/ticket/422>).
We are thinking about bumping the priority of one of the ticket to 2.6,
however it's not decided yet at the moment.

Best Regards,

Riza

On Fri, Jan 29, 2016 at 8:59 AM, Riza Sulistyo <riza at pjsip.org> wrote:

> Hi Nick,
>
> Unfortunately, support for DNS (ipv6) is currently not on our roadmap
> since we have a workaround.
> However if you are interested in implementing it, we are open to the patch.
>
> Best Regards,
>
> Riza
>
> On Wed, Jan 27, 2016 at 11:26 PM, Nick Dowell <nick at nickdowell.com> wrote:
>
>> Thanks Riza,
>>
>> By resolving the server's ipv6 address and specifying that as the proxy,
>> I have been able to get pjsip to connect over ipv6.
>>
>> Is there a plan for when ipv6 will be fully supported and enabled by
>> default in pjsip?
>>
>> FYI here are the logs and call stack for the failed assertion that occurs
>> when an ipv6 address is not specified for the proxy;
>>
>> 13:29:31.804 os_core_unix.c !pjlib 2.4.5 for POSIX initialized
>> 13:29:31.810 sip_endpoint.c  .Creating endpoint instance...
>> 13:29:31.811          pjlib  .select() I/O Queue created (0x12d092628)
>> 13:29:31.811 sip_endpoint.c  .Module "mod-msg-print" registered
>> 13:29:31.812 sip_transport.  .Transport manager created.
>> 13:29:31.812   pjsua_core.c  .PJSUA state changed: NULL --> CREATED
>> 13:29:31.812 sip_endpoint.c  .Module "mod-pjsua-log" registered
>> 13:29:31.813 sip_endpoint.c  .Module "mod-tsx-layer" registered
>> 13:29:31.813 sip_endpoint.c  .Module "mod-stateful-util" registered
>> 13:29:31.813 sip_endpoint.c  .Module "mod-ua" registered
>> 13:29:31.813 sip_endpoint.c  .Module "mod-100rel" registered
>> 13:29:31.813 sip_endpoint.c  .Module "mod-pjsua" registered
>> 13:29:31.813 sip_endpoint.c  .Module "mod-invite" registered
>> 13:29:31.839 coreaudio_dev.  .. dev_id 0: iPhone IO device  (in=1, out=1)
>> 8000Hz
>> 13:29:31.845 coreaudio_dev.  ..core audio initialized
>> 13:29:31.845          pjlib  ..select() I/O Queue created (0x12d093628)
>> 13:29:31.847  speex_codec.c  ..Adjusting quality to 5 for uwb
>> 13:29:31.847   conference.c  ..Creating conference bridge with 12 ports
>> 13:29:31.847   Master/sound  ..Using delay buffer with WSOLA.
>> 13:29:31.863 sip_endpoint.c  .Module "mod-evsub" registered
>> 13:29:31.863 sip_endpoint.c  .Module "mod-presence" registered
>> 13:29:31.863        evsub.c  .Event pkg "presence" registered by
>> mod-presence
>> 13:29:31.863 sip_endpoint.c  .Module "mod-mwi" registered
>> 13:29:31.863        evsub.c  .Event pkg "message-summary" registered by
>> mod-mwi
>> 13:29:31.863 sip_endpoint.c  .Module "mod-refer" registered
>> 13:29:31.863        evsub.c  .Event pkg "refer" registered by mod-refer
>> 13:29:31.863 sip_endpoint.c  .Module "mod-pjsua-pres" registered
>> 13:29:31.863 sip_endpoint.c  .Module "mod-pjsua-im" registered
>> 13:29:31.863 sip_endpoint.c  .Module "mod-pjsua-options" registered
>> 13:29:31.863   pjsua_core.c  .No SIP worker threads created
>> 13:29:31.863   pjsua_core.c  .pjsua version 2.4.5 for  initialized
>> 13:29:31.863   pjsua_core.c  .PJSUA state changed: CREATED --> INIT
>> 13:29:31.865   pjsua_core.c  SIP UDP socket reachable at
>> 10.4.45.223:64335
>> 13:29:31.865 udp0x12cd73c90  SIP UDP transport started, published address
>> is 10.4.45.223:64335
>> 13:29:31.865    tcptp:55928  SIP TCP listener ready for incoming
>> connections at 10.4.45.223:55928
>> 13:29:31.866    tlstp:55929  SIP TLS listener is ready for incoming
>> connections at 10.4.45.223:55929
>> 13:29:31.866   pjsua_core.c  SIP UDP socket reachable at
>> 2001:2::aab1:89b7:1c58:b1c0:860f:64336
>> 13:29:31.866 udpv60x12cd732  SIP UDP IPv6 transport started, published
>> address is [2001:2::aab1:89b7:1c58:b1c0:860f]:64336
>> 13:29:31.866    tcptp:55930  SIP TCP listener ready for incoming
>> connections at 2001:2::aab1:89b7:1c58:b1c0:860f:55930
>> 13:29:31.867    tlstp:55931  SIP TLS listener is ready for incoming
>> connections at 2001:2::aab1:89b7:1c58:b1c0:860f:55931
>> 13:29:31.868   pjsua_core.c  PJSUA state changed: INIT --> STARTING
>> 13:29:31.868 sip_endpoint.c  .Module "mod-unsolicited-mwi" registered
>> 13:29:31.868   pjsua_core.c  .PJSUA state changed: STARTING --> RUNNING
>> 13:29:31.868    pjsua_acc.c  Adding account: id=sip:****@****
>> 13:29:31.868    pjsua_acc.c  .Account sip:****@**** added with id 0
>> 13:29:31.868    pjsua_acc.c  .Acc 0: setting registration..
>> 13:29:31.869 sip_transport.  ..Warning: unable to determine local
>> interface, fallback to default interface!
>> Assertion failed: (a->addr.sa_family == PJ_AF_INET || a->addr.sa_family
>> == PJ_AF_INET6), function pj_sockaddr_get_len, file
>> ../src/pj/sock_common.c, line 388.
>>
>>
>> backtrace:
>>
>> pj_sockaddr_get_len + 204 at sock_common.c:387
>> pjsua_acc_get_uac_addr + 1264 at pjsua_acc.c:3159
>> pjsua_acc_create_uac_contact + 288 at pjsua_acc.c:3252
>> pjsua_regc_init + 444 at pjsua_acc.c:2341
>> pjsua_acc_set_registration + 608 at pjsua_acc.c:2523
>> pjsua_acc_add + 1592 at pjsua_acc.c:487
>>
>>
>> config_site.h:
>>
>> #define PJ_CONFIG_IPHONE 1
>> #define PJ_HAS_IPV6 1
>> #include <pj/config_site_sample.h>
>>
>>
>>
>> > On 27 Jan 2016, at 05:24, Riza Sulistyo <riza at pjsip.org> wrote:
>> >
>> > Hi Nick,
>> >
>> > I assume you have followed the guide, as described here.
>> >
>> > The pages states that DNS resolution for ipv6 is still not supported.
>> > Hence you need to resolve any address on app and pass the IP to the
>> stack.
>> >
>> > If you are still having trouble afterwards, the logs (level 5), call
>> stack and build settings will be helpful.
>> >
>> > Best Regards,
>> >
>> > Riza
>> >
>> > On Tue, Jan 26, 2016 at 5:43 PM, Nick Dowell <nick at nickdowell.com>
>> wrote:
>> > Crash observed with pjsip 2.4.5, but this has been reported previously,
>> here;
>> >
>> http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/2015-July/018518.html
>> >
>> > Steps to reproduce;
>> > 1. Create a NAT64 network using Mac OS X 10.11 -
>> https://developer.apple.com/library/ios/documentation/NetworkingInternetWeb/Conceptual/NetworkingOverview/UnderstandingandPreparingfortheIPv6Transition/UnderstandingandPreparingfortheIPv6Transition.html#//apple_ref/doc/uid/TP40010220-CH213-SW16
>> > 2. Connect iPhone to newly created NAT64 Wi-Fi network
>> > 3. Open an app using pjsip on the iPhone
>> >
>> > This results in the following failed assertion and causes the app to
>> abort
>> >
>> > Assertion failed: (a->addr.sa_family == PJ_AF_INET || a->addr.sa_family
>> == PJ_AF_INET6), function pj_sockaddr_get_len, file
>> ../src/pj/sock_common.c, line 388.
>> >
>> >
>> > _______________________________________________
>> > Visit our blog: http://blog.pjsip.org
>> >
>> > pjsip mailing list
>> > pjsip at lists.pjsip.org
>> > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org
>> >
>> >
>> > _______________________________________________
>> > Visit our blog: http://blog.pjsip.org
>> >
>> > pjsip mailing list
>> > pjsip at lists.pjsip.org
>> > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org
>>
>>
>> _______________________________________________
>> Visit our blog: http://blog.pjsip.org
>>
>> pjsip mailing list
>> pjsip at lists.pjsip.org
>> http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org
>>
>>
>
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