I have some questions about the cardmod mini-driver
in OpenSC 0.12.0
It appears that the code in CardAcquireContext is trying to
store in the registry two handles, pcsc_ctx and pcscd_card
in the HKEY_LOCAL_MACHINE, "SOFTWARE\\OpenSC Project\\Opensc"
Using the registry for this does not look correct for a
number of reasons:
(1) there maybe multiple mini-drivers being run at the same
time.
(2) The location in the registry can only be written be the system,
yet the min-driver may be called as a user.
(3) The DLLMain routine attempts to see if the key is readable
but is called before the CardAcquireContext can create
the key.
(4) I don't see how the pcsc_ctx or pcscd_card can ever be changed.
I have not done much with mini-drivers, but have made changes to a
number of CSPs and using the registry looks wrong.
I would suggest that some other way to store this data is needed,
by the cardmod_detect_readers in reader-pcsc.c
In addition to these issues, the debugging in logprintf depends
on opensc which is way to later in the process to catch errors
like the above.
I built the opensc-cardmod32.dll on Ubuntu using mingw and was
testing on Vista as a local admin running:
runas /netonly /smartcard /user:xxx@yyy cmd.exe
--
Douglas E. Engert <[email protected]>
Argonne National Laboratory
9700 South Cass Avenue
Argonne, Illinois 60439
(630) 252-5444
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