gnupg

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Werner Koch 192113552f

scd: Fix possible assertion in close_pcsc_reader.

* scd/apdu.c (close_pcsc_reader): Don't ref-count if the context is
invalid.
(open_pcsc_reader): Compare the context against -1 which is our
indicator for an invalid context.
--

I got a crash report for Windows:

  DBG: chan_0x000000a4 <- RESTART
  DBG: chan_0x000000a4 -> OK
  DBG: chan_0x000000a4 <- SERIALNO
  DBG: open_pcsc_reader(portstr=(null))
  reader slot 0: not connected
  DBG: open_pcsc_reader => slot=0
  DBG: enter: apdu_connect: slot=0
  pcsc_connect failed: invalid PC/SC error code (0x6)
  reader slot 0: not connected
  DBG: leave: apdu_connect => sw=0x1000b
  DBG: enter: apdu_close_reader: slot=0
  DBG: enter: apdu_disconnect: slot=0
  DBG: leave: apdu_disconnect => sw=0x0
  Ohhhh jeeee: Assertion "pcsc.count > 0" in
    close_pcsc_reader failed (...2.2.28/scd/apdu.c:817)

no smartcard reader was connected but the box might sport a virtual
reader.  This patch should make it more robust.

Signed-off-by: Werner Koch <wk@gnupg.org>

2021-09-07 16:40:09 +02:00

apdu.c

scd: Fix possible assertion in close_pcsc_reader.

2021-09-07 16:40:09 +02:00

apdu.h

scd: Add new status codes.

2021-04-29 10:14:53 +02:00

app-common.h

scd: Add option --info to emit KEYPAIRINFO by readkey command.

2021-05-03 20:15:03 +02:00

app-dinsig.c

scd: Extend an internal function to also return the algo.