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scd: Detect external interference when PCSC_SHARED.

Browse source 
* scd/app-common.h (check_aid): New method.
* scd/app-openpgp.c (do_check_aid): New.
* scd/app-piv.c (do_check_aid): New.
* scd/app.c (check_external_interference): New.
(maybe_switch_app): Check interference to determine switching is
needed.

--

GnuPG-bug-id: 5484
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
This commit is contained in:
NIIBE Yutaka 2021-07-06 14:52:29 +09:00
parent 5f78ae696c
commit 044e5a3c38
4 changed files with 72 additions and 2 deletions
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2
scd/app-common.h
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@ -194,6 +194,8 @@ struct app_ctx_s {
void *pincb_arg);
gpg_error_t (*with_keygrip) (app_t app, ctrl_t ctrl, int action,
const char *keygrip_str, int capability);
gpg_error_t (*check_aid) (app_t app, ctrl_t ctrl,
const unsigned char *aid, size_t aidlen);
} fnc;
};