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Reply-To:	davek AT 6thstreetradio DOT org
Subject:	Re: pinentry-tty, gpg-agent, and no way to enter password
From:	David Dombrowsky <6thstreetradio AT gmail DOT com>
To:	cygwin AT cygwin DOT com
References:	<fe858701-3b25-1610-b04b-2662c10c94e5 AT gmail DOT com>
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Message-ID:	<9e985ef3-5c07-b7fe-e1c7-0ff4c07f71aa@gmail.com>
Date:	Wed, 17 Apr 2019 11:07:06 -0400
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From: David Dombrowsky <6thstreetradio AT gmail DOT com>
Reply-To: davek AT 6thstreetradio DOT org
To: cygwin AT cygwin DOT com
Message-ID: <9e985ef3-5c07-b7fe-e1c7-0ff4c07f71aa AT gmail DOT com>
Subject: Re: pinentry-tty, gpg-agent, and no way to enter password
References: <fe858701-3b25-1610-b04b-2662c10c94e5 AT gmail DOT com>
In-Reply-To: <fe858701-3b25-1610-b04b-2662c10c94e5 AT gmail DOT com>


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On 4/16/19 12:29 PM, David Dombrowsky wrote:
> From there I was able to cobble together a solution using a locally
> patched version of pinentry-curses.  Somewhere along the line, that
> stopped working.

I put debug prints in pinentry-tty, and it is opening the correct tty.
However, running the command to set the terminal into the right mode
will fail.  If I comment that out, something interesting happens:

tty/pinentry-tty.c
356       c =3D fgetc (ttyfi);
357       switch (c)

This call to `fgetc`, while it points to a FILE handle opened to the
correct tty, will read NOTHING.  My session is on /dev/pty0, but a
subprocess that opens that terminal for reading neither fail, nor read
anything.

Any ideas?

--=20
David Dombrowsky, Software Engineer
davek AT 6thstreetradio DOT org | 518-374-3204
https://www.linkedin.com/in/david-dombrowsky-94334415


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