[Bug 28051] with 0.9.x, some SRV errors break facebook login

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=28051

Will Thompson <will.thompson at collabora.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                URL|https://bugs.launchpad.net/ |http://git.collabora.co.uk/
                   |empathy/+bug/578265         |?p=user/wjt/wocky.git;a=com
                   |                            |mitdiff;h=refs/heads/work-a
                   |                            |round-chat.facebook.com
           Keywords|NEEDINFO                    |patch
           See Also|                            |https://launchpad.net/bugs/
                   |                            |578265

--- Comment #18 from Will Thompson <will.thompson at collabora.co.uk> 2010-08-28 10:17:18 PDT ---
(In reply to comment #17)
> Reducing severity: this works in at least some networks (we can't reproduce it
> here). If this bug affects you, please provide the information I requested in
> Comment #16 and we can try to work out what's going wrong.

I can now reproduce this on one of my internet connections, and have worked
around it in Wocky. The problem is that _xmpp-client._tcp.chat.facebook.com is
a CNAME for chat.facebook.com, rather than an SRV record.

See
http://git.collabora.co.uk/?p=user/wjt/wocky.git;a=commitdiff;h=refs/heads/work-around-chat.facebook.com
for the patch!

 % host -t SRV _xmpp-client._tcp.chat.facebook.com
_xmpp-client._tcp.chat.facebook.com is an alias for chat.facebook.com.
 % host -v -t SRV _xmpp-client._tcp.chat.facebook.com
Trying "_xmpp-client._tcp.chat.facebook.com"
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 19955
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;_xmpp-client._tcp.chat.facebook.com. IN    SRV

;; ANSWER SECTION:
_xmpp-client._tcp.chat.facebook.com. 7 IN CNAME    chat.facebook.com.

;; AUTHORITY SECTION:
facebook.com.        37    IN    SOA    glb01.sf2p.tfbnw.net.
hostmaster.facebook.com. 2157 10800 3600 604800 60

Received 134 bytes from 192.168.99.1#53 in 43 ms

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