Re: [Evolution-hackers] evolution failing on TLSv1.3 after gnutls upgrade

[James Bottomley <James Bottomley HansenPartnership com>]

On Thu, 2019-05-09 at 18:42 +0200, Milan Crha via evolution-hackers
wrote:
> On Thu, 2019-05-09 at 08:37 -0700, James Bottomley via evolution-
> hackers wrote:
> > On OpenSUSE running evolution-3.26.6-lp150.2.6.x86_64, installing
> >
> > gnutls-3.6.7-lp150.9.1.x86_64
> >
> > Lead to evolution failing on my dovecot imap server with
> >
> > Error reading data from TLS socket: The specified session has been
> > invalidated for some reason
>
>       Hi,
> dealing with such requests is better either through the user list
> (evolution-list), or through bugzilla - see the "bugs" section of:
> https://wiki.gnome.org/Apps/Evolution/#Online_Support
> not talking that your Evolution it rather old, the current stable
> version is 3.32.2.
>
> Nonetheless, I do not expect that Evolution update would help,
> because Evolution doesn't use gnutls. It doesn't use it directly.
> Evolution relies on glib-networking and on whatever it uses, which is
> gnutls in this case.

Ah, right, that's why I couldn't find the direct connection.

>  I guess those developers would appreciate any help,
> especially if the code is broken for them. If you wish, I can try to
> create some simple test program (a .c file), which would open a
> stream towards specified server and ask for capabilities or
> something, which can be done in an unauthenticated state, on which
> you can verify:
> a) it's really in glib-networking, b) whether more recent version of
> it will help.

I can certainly test things out.  To be honest, I've had problems with
TLSv1.3 every time it's been negotiated, so disabling it is a
reasonable thing to do.  I suppose there's no gntuls-cli equivalent for
glib-networking?  That would be the best way to test it.

James