From: Martin Vogt (martin.vogtitwm.fraunhofer.de)
Date: Mon Feb 08 2010 - 06:15:47 CST

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Hello list,

pcsclite contains "testpcsc" which performs some tests.

If I run this tool, my connection to the smartcard
is lost and I need to restart firefox/thunderbird
in order to make it work again :(.

Is this the expected behaviour, that I need to restart
my applications after using "testpcsc" ?

Background
==========

I'm using a stateless pkcs11 smartcard driver which
I installed in thunderbird and firefox.
Reading encrypted mails, surfing with certificates
works fine.
thunderbird/firefox perform their actions on the smartcard
over the statless driver, which locks the card during
the operations and then unlock it.

This is working fine.

Now I run "testpcsc" and during the time when
it issues:

- SCardReconnect
- SCardDisconnect

My connections in thunderbird/firefox are broken
until I restart these applications.

This does not happen when I use opensc drivers, because
they are not stateless and lock the card forever.
Running the "testpcsc" gives a "Sharing violation".

So my question ist:

Is this the correct behaviour, that SCardReconnect/SCardDisconnect
affect every application using the reader? (with stateless drivers)

I would assume, that these operations are only for this
session, but not for all running sessions, but I don't
know the pcsclite specification :-)

I have tested this behaviour with the current pcsc-lite-1.5.5 version,
because it mentions "SCardReconnect" in the changelog.
But it has the same behaviour as the previous release, I need
to restart thunderbird/firefox after "testpcsc"

regards,

Martin

PS: my previous mail did not make it to the list, which conatins
a patch. Here is the patch again:

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• text/x-patch attachment: testpcsc_timeout.patch

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