* scd/apdu.c (apdu_open_reader): Add an argument APP_EMPTY.
When CCID driver fails to open, try PC/SC if APP is nothing.
* scd/app.c (select_application): Supply arg if APP is nothing.
--
After scanning available card readers by CCID driver, scdaemon should
try PC/SC service if no APP is registered yet. Also, when the slot
is allocated for PC/SC (ccid.handle==NULL), it should not call
ccid_compare_BAI, otherwise scdaemon crashes.
Debian-bug-id: 852702, 854005, 854595, 854616
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
Gbp-Pq: Name 0029-scd-Fix-use-case-of-PC-SC.patch
}
int
-apdu_open_reader (struct dev_list *dl)
+apdu_open_reader (struct dev_list *dl, int app_empty)
{
int slot;
/* Check identity by BAI against already opened HANDLEs. */
for (slot = 0; slot < MAX_READER; slot++)
if (reader_table[slot].used
+ && reader_table[slot].ccid.handle
&& ccid_compare_BAI (reader_table[slot].ccid.handle, bai))
break;
dl->idx++;
}
- slot = -1;
+ /* Not found. Try one for PC/SC, only when it's the initial scan. */
+ if (app_empty && dl->idx == dl->idx_max)
+ {
+ dl->idx++;
+ slot = apdu_open_one_reader (dl->portstr);
+ }
+ else
+ slot = -1;
}
else
#endif
{ /* PC/SC readers. */
- if (dl->idx == 0)
+ if (app_empty && dl->idx == 0)
{
dl->idx++;
slot = apdu_open_one_reader (dl->portstr);
void apdu_dev_list_finish (struct dev_list *l);
/* Note, that apdu_open_reader returns no status word but -1 on error. */
-int apdu_open_reader (struct dev_list *l);
+int apdu_open_reader (struct dev_list *l, int app_empty);
int apdu_open_remote_reader (const char *portstr,
const unsigned char *cookie, size_t length,
int (*readfnc) (void *opaque,
int slot;
int sw;
- slot = apdu_open_reader (l);
+ slot = apdu_open_reader (l, !app_top);
if (slot < 0)
break;