Michael Paquier <michael.paqu...@gmail.com> writes:
> On Tue, Oct 20, 2015 at 3:01 AM, Robbie Harwood wrote:
>> Stephen Frost <sfr...@snowman.net> writes:
>>> psql: lost synchronization with server: got message type "S", length 22
>>
>> which unfortunately could be a great many things. I've said this a
>> couple times now, but I really do need more information - a traffic
>> dump, a list of commands that were run, etc.; unfortunately, the surface
>> here is pretty large, and while I totally am willing to believe there
>> are bugs in the code I've written, I do not yet see them.
>
> --- a/src/interfaces/libpq/fe-protocol3.c
> +++ b/src/interfaces/libpq/fe-protocol3.c
> @@ -129,6 +129,58 @@ pqParseInput3(PGconn *conn)
> return;
> }
>
> +#ifdef ENABLE_GSS
> + /* We want to be ready in both IDLE and BUSY states
> for encryption */
> + if (id == 'g' && !conn->gss_disable_enc && conn->gctx)
> + {
> + ssize_t encEnd, next;
> [...]
> + }
> + else if (!conn->gss_disable_enc && conn->gss_auth_done &&
> + !conn->gss_decrypted_cur && id != 'E')
> + /* This could be a sync error, so let's handle
> it as such. */
> + handleSyncLoss(conn, id, msgLength);
> +#endif
>
> Hm. The out-of-sync error I am seeing in my environment is caused by
> this block when parsing 'g' messages coming from the backend that are
> considered as being GSSAPI-encrypted messages. I am still looking at
> that...If you're hitting the else-block, that suggests a GSSAPI context is not present at the time a GSSAPI message was received, I think.
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