Bug#916683: libgnutls30: breaks msmtp 1.6.7-1

[Andreas Metzler]

Control: reassign -1 msmtp 1.6.7-1
Control: tags -1 fixed-upstream

On 2018-12-17 Jonas Smedegaard <dr at jones.dk> wrote:
> Package: libgnutls30
> Version: 3.6.5-2
> Severity: serious
> Justification: Policy 3.5

> I use msmtp, and it worked fine until few days ago,
> with msmtp 1.6.7-1 and libgnutls30 3.5.19-1+b1.

> Upgrading to libgnutls30 3.6.5-2 breaks msmtp:
> Any attempt at connecting to a TLS-secured site gets disconnected.

FWIW I have had successful connections against exim4 (gnutls 3.5 and
3.6). Which host are you trying to connect to?

> Seems liek backwards-incompatible ABI change to me,
> which I believe should be handled in coordination with its
> reverse dependencies.  Hence the severity.

It is not an API change but a side effect of different handshake with
TLS1.3, now GNUTLS_E_AGAIN can be returned for blocking sockets.

See https://github.com/marlam/msmtp-mirror/commit/ec043e5375d0ecd5ab987e53d0ebfecfc1de0858

cu Andreas
-- 
`What a good friend you are to him, Dr. Maturin. His other friends are
so grateful to you.'
`I sew his ears on from time to time, sure'
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