[BUG] GSSAPI auth doesn't work on 2.3.11

[Aki Tuomi]

On 15.9.2020 9.40, Aki Tuomi wrote:
> On 14.9.2020 15.48, Carlos Mogas da Silva wrote:
>> Hi list!
>>
>> I have a CentOS 7 server running dovecot with GSSAPI auth enabled. Version 2.3.10 was working fine
>> but after the upgrade to 2.3.11 it stopped working. On thing I see on the logs is that the user
>> field comes up empty when compared to the 2.3.10. Example:
>>
>> 2.3.10:
>> Sep 14 13:39:20 mail.r3pek.org dovecot[10189]: imap-login: Login: user=<r3pek at r3pek.org>,
>> method=GSSAPI, rip=xxxx, lip=2a01:4f8:1c17:61c0::1, mpid=10195, TLS,
>> session=<PaDSUkWvAOkgAQgY3LZuALKwbzMw3BW/>
>>
>> 2.3.11:
>> Sep 14 12:19:24 mail.r3pek.org dovecot[9264]: imap-login: Disconnected (auth failed, 1 attempts in 6
>> secs): user=<>, method=GSSAPI, rip=2001:818:dcb6:6e00:b2b0:6f33:30dc:15bf,
>> lip=2a01:4f8:1c17:61c0::1, TLS, session=<pRubNESvMuQgAQgY3LZuALKwbzMw3BW/>
>>
>>
>> Reverting back to 2.3.10 confirmed it's a 2.3.11 thing. Is there any change necessary after the
>> upgrade to 2.3.11 or is this really a bug?
>
> Hi!
>
> This is a known bug, and will be fixed in next release. There is patch
> for it at https://github.com/dovecot/core/pull/133
>
>
> Aki Tuomi
>

This is also fixed in master branch.


Aki