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Date:	Fri, 8 Mar 2019 15:52:47 +0100
From:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To:	Andrew Schulman <schulman DOT andrew AT epa DOT gov>
Cc:	cygwin AT cygwin DOT com
Subject:	Re: Logging-in using ssh elevates the user privilege.
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Hi Andrew,

On Mar  8 23:46, Takashi Yano wrote:
> Hi Corinna,
>=20
> Thanks for your advice.
>=20
> On Fri, 8 Mar 2019 15:11:18 +0100 Corinna Vinschen wrote:
> > > In Linux, connect() in the client returns befor the
> > > server calls accept(). However, in cygwin, connect()
> > > does not return until the server calls accept().
> >=20
> > This is a result of the handshake to exchange credentials for
> > getpeereid().  To workaround this issue, try building screen
> > with a tweak.  Server and as client should call
> >=20
> >   setsockopt (sock, SOL_SOCKET, SO_PEERCRED, NULL, 0);
> >=20
> > before calling accept or connect.
>=20
> Following your advice, I tried the patch attached and
> confirmed the problem regarding -Q option is solved.

any chance to rebuild screen with the patch from
https://cygwin.com/ml/cygwin/2019-03/msg00167.html


Thanks,
Corinna

--=20
Corinna Vinschen
Cygwin Maintainer

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