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-rw-r--r--scd/app.c39
1 files changed, 29 insertions, 10 deletions
diff --git a/scd/app.c b/scd/app.c
index 6db9e27ef..06850d87f 100644
--- a/scd/app.c
+++ b/scd/app.c
@@ -317,10 +317,12 @@ app_new_register (int slot, ctrl_t ctrl, const char *name)
and return a context. Returns an error code and stores NULL at
R_APP if no application was found or no card is present. */
gpg_error_t
-select_application (ctrl_t ctrl, const char *name, app_t *r_app, int scan)
+select_application (ctrl_t ctrl, const char *name, app_t *r_app,
+ int scan, const unsigned char *serialno_bin,
+ size_t serialno_bin_len)
{
gpg_error_t err = 0;
- app_t app;
+ app_t a;
*r_app = NULL;
@@ -352,33 +354,50 @@ select_application (ctrl_t ctrl, const char *name, app_t *r_app, int scan)
if (!sw || sw == SW_HOST_ALREADY_CONNECTED)
err = 0;
+ else if (sw == SW_HOST_NO_CARD)
+ err = gpg_error (GPG_ERR_CARD_NOT_PRESENT);
else
err = gpg_error (GPG_ERR_ENODEV);
if (!err)
err = app_new_register (slot, ctrl, name);
else
- apdu_close_reader (slot);
+ {
+ /* We close a reader with no card. */
+ apdu_close_reader (slot);
+ }
}
apdu_dev_list_finish (l);
}
- app = app_top;
- if (app)
+ npth_mutex_lock (&app_list_lock);
+ for (a = app_top; a; a = a->next)
{
- lock_app (app, ctrl);
- err = check_conflict (app, name);
+ lock_app (a, ctrl);
+ if (serialno_bin == NULL)
+ break;
+ if (a->serialnolen == serialno_bin_len
+ && !memcmp (a->serialno, serialno_bin, a->serialnolen))
+ break;
+ unlock_app (a);
+ }
+
+ if (a)
+ {
+ err = check_conflict (a, name);
if (!err)
{
- app->ref_count++;
- *r_app = app;
+ a->ref_count++;
+ *r_app = a;
}
- unlock_app (app);
+ unlock_app (a);
}
else
err = gpg_error (GPG_ERR_ENODEV);
+ npth_mutex_unlock (&app_list_lock);
+
return err;
}