scd: Add an re-select mechanism to switch apps.

* scd/app-common.h (struct app_ctx_s): Add func ptr 'reselect'.
* scd/app-piv.c (do_reselect): New.
(app_select_piv): Move AID constant to file scope.
* scd/app-openpgp.c (do_reselect): New.
(app_select_openpgp): Move AID constant to file scope.
* scd/app.c (apptype_from_name): New.
(check_application_conflict): Check against all apps of the card.
Always set current_apptype.
(select_additional_application): New.
(maybe_switch_app): New.
(app_write_learn_status, app_readcert, app_readkey, app_getattr)
(app_setattr, app_sign, app_auth, app_decipher, app_writecert)
(app_writekey, app_genkey, app_change_pin, app_check_pin): Use it here.
(app_do_with_keygrip): Force reselect on success.
(app_new_register): Move setting of CURRENT_APPTYPE to ...
(select_application): here so that it will be set to the requested
card.
* scd/command.c (open_card_with_request): Select additional
application if possible.
--

Noet that we will likely need to rework this even more so to get well
defined semantics for card access.

Signed-off-by: Werner Koch <[email protected]>

1 files changed, 1 insertions, 1 deletions

diff --git a/scd/scdaemon.h b/scd/scdaemon.h
index 7ebf6b58d..b709b1cbc 100644
--- a/scd/scdaemon.h
+++ b/scd/scdaemon.h
@@ -107,7 +107,7 @@ struct server_control_s
   struct card_ctx_s *card_ctx;
 
   /* The currently active application for this context.  We need to
-   * knw this for cards which are abale to swicth on the fly between
+   * know this for cards which are able to switch on the fly between
    * apps.  */
   apptype_t current_apptype;