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scd: Track the currently selected app.

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* scd/scdaemon.h (struct server_control_s): Add 'current_apptype'.
* scd/command.c (scd_clear_current_app): New.
* scd/app.c (app_new_register): Set it.
(deallocate_card): Clear it.
--

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2019-06-21 10:47:45 +02:00
parent 43dcf93407
commit 91e2931caa
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GPG key ID: E3FDFF218E45B72B
3 changed files with 29 additions and 3 deletions
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17
scd/command.c
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@ -2069,6 +2069,21 @@ scd_command_handler (ctrl_t ctrl, int fd)
}
/* Clear the current application info for CARD from all sessions.
* This is used while deallocating a card. */
void
scd_clear_current_app (card_t card)
{
struct server_local_s *sl;
for (sl=session_list; sl; sl = sl->next_session)
{
if (sl->ctrl_backlink->card_ctx == card)
sl->ctrl_backlink->current_apptype = APPTYPE_NONE;
}
}
/* Send a line with status information via assuan and escape all given
buffers. The variable elements are pairs of (char *, size_t),
terminated with a (NULL, 0). */
@ -2181,7 +2196,7 @@ popup_prompt (void *opaque, int on)
/* Helper to send the clients a status change notification. Note that
* this fucntion assumes that APP is already locked. */
* this function assumes that APP is already locked. */
void
send_client_notifications (card_t card, int removal)
{