Subject: Re: [PATCH v6] GSSAPI encryption support
To: Robbie Harwood <rharwood@redhat.com>, pgsql-hackers@postgresql.org
References: <jlg1tgq1ktm.fsf@thriss.redhat.com>
 <jlgegbkmvxl.fsf@thriss.redhat.com> <56E05575.9060200@pgmasters.net>
 <jlgegbcq0qc.fsf@thriss.redhat.com>
Cc: Michael Paquier <michael.paquier@gmail.com>
From: David Steele <david@pgmasters.net>
Message-ID: <56E71B7C.6050108@pgmasters.net>
Date: Mon, 14 Mar 2016 16:13:48 -0400
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From: David Steele <david@pgmasters.net>
To: Robbie Harwood <rharwood@redhat.com>, pgsql-hackers@postgresql.org
Cc: Michael Paquier <michael.paquier@gmail.com>
Message-ID: <56E71B7C.6050108@pgmasters.net>
Subject: Re: [HACKERS] [PATCH v6] GSSAPI encryption support
References: <jlg1tgq1ktm.fsf@thriss.redhat.com>
 <jlgegbkmvxl.fsf@thriss.redhat.com> <56E05575.9060200@pgmasters.net>
 <jlgegbcq0qc.fsf@thriss.redhat.com>
In-Reply-To: <jlgegbcq0qc.fsf@thriss.redhat.com>
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On 3/14/16 4:10 PM, Robbie Harwood wrote:
> David Steele <david@pgmasters.net> writes:
>=20
>> Hi Robbie,
>>
>> On 3/8/16 5:44 PM, Robbie Harwood wrote:
>>> Hello friends,
>>>
>>> Here's yet another version of GSSAPI encryption support.  It's also
>>> available for viewing on my github:
>>
>> The build went fine but when testing I was unable to logon at all.  I'm
>> using the same methodology as in
>> http://www.postgresql.org/message-id/56BE0FF9.70302@pgmasters.net except
>> that I'm running against 51c0f63 and using the v6 patch set.
>>
>> psql simply hangs and never returns.  I have attached a pcap of the
>> psql/postgres session generated with:
>>
>> tcpdump -i lo -nnvvXSs 1514 port 5432 -w gssapi.pcap
>>
>> If you would like me to capture more information please let me know
>> specifically how you would like me to capture it.
>=20
> Please disregard my other email.  I think I've found the issue; will
> post a new version in a moment.

Strange timing since I was just testing this.  Here's what I got:

$ pg/bin/psql -h localhost -U vagrant@PGMASTERS.NET postgres
conn->inStart =3D 179, conn->inEnd =3D 179, conn->inCursor =3D 179
psql (9.6devel)
Type "help" for help.

postgres=3D>

This was after commenting out:

// appendBinaryPQExpBuffer(&conn->gwritebuf,
// 						conn->inBuffer + conn->inStart,
// 						conn->inEnd - conn->inStart);
// conn->inEnd =3D conn->inStart;

The good news I can log on every time now!

--=20
-David
david@pgmasters.net


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