Hello,
Matthias Apitz <g...@unixarea.de> wrote:
> This isn't that easy. The pcscd is running (when needed) as:
>
> purism@pureos:~$ ps ax | grep pcscd
> 2151 ? Ssl 0:00 /usr/sbin/pcscd --foreground --auto-exit
>
> it is launched by a system service:
I see. IIUC, PureOS is Debian based. There should be a file for systemd
as /lib/systemd/system/pcscd.service. Its content is something like:
==========================
[Unit]
Description=PC/SC Smart Card Daemon
Requires=pcscd.socket
Documentation=man:pcscd(8)
[Service]
ExecStart=/usr/sbin/pcscd --foreground --auto-exit $PCSCD_ARGS
ExecReload=/usr/sbin/pcscd --hotplug
EnvironmentFile=-/etc/default/pcscd
[Install]
Also=pcscd.socket
==========================
Then, to debug PC/SC service, you can have a file /etc/default/pcscd with:
==========================
PCSCD_ARGS=--debug
LIBCCID_ifdLogLevel=0xffff
==========================
Kill pcscd by systemctl, if any.
Kill the scdaemon by:
$ gpgconf --kill scdaemon
And then, when you try to access OpenPGP card by SSH or GnuPG, gpg-agent
invokes scdaemon, scdaemon tries to access PC/SC service, pcscd is
invoked by socket activation with systemd. You can see the debug log
by journalctl.
--
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