Yahoo Protocol Changes

Mark Doliner mark at
Sat Jun 20 20:43:20 EDT 2009

On Fri, Jun 19, 2009 at 8:07 PM, John Bailey<rekkanoryo at> wrote:
> Hi, everyone.
> As your users have undoubtedly made you aware, there are currently issues with
> connecting to Yahoo.  This is due to a protocol change on the Yahoo servers that
> cause them to reject the authentication mechanism used by Pidgin 2.5.6 and earlier.
> Two of our Summer of Code students implemented the new HTTP-based login
> mechanism.  This code is currently in our Monotone repository and will be
> included in Pidgin 2.6.0.
> Due to the shutdown of the old authentication mechanism happening earlier than
> we expected (the last date we saw indicated mid-August), I have backported these
> changes to libpurple 2.5.6.  We are currently prepping a 2.5.7 release, but I
> know some of you would prefer to simply patch the yahoo prpl to fix the issue
> and be done with it.  To that end, I have attached the relevant bits of our
> upcoming 2.5.7 release.
> Hopefully you find this patch useful.  It applies cleanly against 2.5.6 and
> 2.5.5, but I have tested it only against 2.5.6.

We've built 2.5.7 and uploaded tarballs.  We haven't updated or built our own binary packages yet, but don't let
that stop you from building and distributing packages in your


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