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-rw-r--r--scd/command.c23
1 files changed, 19 insertions, 4 deletions
diff --git a/scd/command.c b/scd/command.c
index fa1d46ce1..36aff9762 100644
--- a/scd/command.c
+++ b/scd/command.c
@@ -70,6 +70,10 @@
&& (c)->reader_slot == locked_session->ctrl_backlink->reader_slot)
+/* Flag indicating that the reader has been disabled. */
+static int reader_disabled;
+
+
/* This structure is used to keep track of open readers (slots). */
struct slot_status_s
{
@@ -394,7 +398,15 @@ get_reader_slot (void)
/* Try to open the reader. */
if (ss->slot == -1)
- ss->slot = apdu_open_reader (opt.reader_port);
+ {
+ int no_service_flag;
+ ss->slot = apdu_open_reader (opt.reader_port, &no_service_flag);
+ if (no_service_flag)
+ {
+ log_info ("no card services - disabling scdaemon\n");
+ reader_disabled = 1;
+ }
+ }
/* Return the slot_table index. */
return 0;
@@ -409,6 +421,9 @@ open_card (ctrl_t ctrl, const char *apptype)
gpg_error_t err;
int slot;
+ if (reader_disabled)
+ return gpg_error (GPG_ERR_NOT_OPERATIONAL);
+
/* If we ever got a card not present error code, return that. Only
the SERIALNO command and a reset are able to clear from that
state. */
@@ -441,7 +456,7 @@ open_card (ctrl_t ctrl, const char *apptype)
slot = get_reader_slot ();
ctrl->reader_slot = slot;
if (slot == -1)
- err = gpg_error (GPG_ERR_CARD);
+ err = gpg_error (reader_disabled? GPG_ERR_NOT_OPERATIONAL: GPG_ERR_CARD);
else
{
/* Fixme: We should move the apdu_connect call to
@@ -495,7 +510,7 @@ cmd_serialno (assuan_context_t ctx, char *line)
time_t stamp;
/* Clear the remove flag so that the open_card is able to reread it. */
- if (ctrl->server_local->card_removed)
+ if (!reader_disabled && ctrl->server_local->card_removed)
{
if ( IS_LOCKED (ctrl) )
return gpg_error (GPG_ERR_LOCKED);
@@ -1993,7 +2008,7 @@ scd_command_handler (ctrl_t ctrl, int fd)
BUG ();
sl->next_session = ctrl->server_local->next_session;
}
- stopme = ctrl->server_local->stopme;
+ stopme = ctrl->server_local->stopme || reader_disabled;
xfree (ctrl->server_local);
ctrl->server_local = NULL;