Re: authentication_timeout ineffective for replication connections

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От Bruce Momjian
Тема Re: authentication_timeout ineffective for replication connections
Дата
Msg-id 20150402031844.GE29404@momjian.us
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Ответ на authentication_timeout ineffective for replication connections  (Andres Freund <andres@2ndquadrant.com>)
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On Tue, Jan 13, 2015 at 03:29:04PM +0100, Andres Freund wrote:
> Hi,
> 
> I just noticed that authentication_timeout is ineffective for
> replication=true type connections. That's because walsender doesn't
> register a SIGINT handler and authentication_timeout relies on having
> one.
> 
> There's no problem with reading the initial startup packet
> (ProcessStartupPacket/BackendInitialize) because we use a separate
> handler there. But once that's done, before finishing authentication,
> WalSndSignals() will have set SIGINT's handler to SIG_IGN.
> 
> Demo python program attached. You'll only see the problem if the
> authentication method requires a password/addititional packets.
> 
> I think we could fix this by simply mapping SIGINT to die() instead
> SIG_IGN.

What is the status on this?

--  Bruce Momjian  <bruce@momjian.us>        http://momjian.us EnterpriseDB
http://enterprisedb.com
 + Everyone has their own god. +



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