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scd: New option --pcsc-shared.

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* scd/scdaemon.h (opt): Add field opcsc_shared.
* scd/scdaemon.c (opcscShared): New.
(opts): Add "--pcsc-shared".
(main): Set flag.
* scd/apdu.c (connect_pcsc_card): Use it.
(pcsc_get_status): Take flag in account.
* scd/app-openpgp.c (verify_chv2): Do not auto verify chv1 in shared
mode.
--

This option should in general not be used.  The patch tries to limit
bad effects but using shared mode is somewhat dangerous depending on
the other PC/SC users.

(cherry picked from commit 5732e7a8e9)
This commit is contained in:
Werner Koch 2021-03-12 09:21:57 +01:00
parent 96577e2e46
commit 5eec40f3d8
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5 changed files with 14 additions and 3 deletions
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2
scd/app-openpgp.c
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@ -2397,7 +2397,7 @@ verify_chv2 (app_t app,
return rc;
app->did_chv2 = 1;
if (!app->did_chv1 && !app->force_chv1 && pinvalue)
if (!app->did_chv1 && !app->force_chv1 && pinvalue && !opt.pcsc_shared)
{
/* For convenience we verify CHV1 here too. We do this only if
the card is not configured to require a verification before