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scd: Change handling of SPR532 card reader.

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* scd/ccid-driver.c (ccid_vendor_specific_init): Put some workaround
for SPR532 initialization.
(ccid_slot_status): Send ESCape command after GetSlotStatus.

--

Backport master commit of:

	684a52dffa8b7f79b26fe53b3ab10d7748a8fb37

GnuPG-bug-id: 5065
Fixes-commit: 4fae55f8ee11b3f710524e5e8b8a91b159949f2d
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
This commit is contained in:
NIIBE Yutaka 2020-09-28 13:29:51 +09:00
parent 11d8d1e050
commit 7db836c0e9
1 changed files with 17 additions and 4 deletions
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19
scd/ccid-driver.c
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@ -1284,9 +1284,14 @@ ccid_vendor_specific_init (ccid_driver_t handle)
}
else if (handle->id_vendor == VENDOR_SCM)
{
DEBUGOUT ("sending escape sequence to switch to a case 1 APDU\n");
r = send_escape_cmd (handle, (const unsigned char*)"\x80\x02\x00", 3,
NULL, 0, NULL);
/*
* It seems that SEQ may be out of sync between host and the card reader,
* and SET_INTERFACE doesn't reset it. Make sure it works at the init.
*/
abort_cmd (handle, 0);
r = libusb_clear_halt (handle->idev, handle->ep_intr);
DEBUGOUT_1 ("libusb_clear_halt intr: %s\n", libusb_error_name (r));
r = 0;
}
if (r != 0 && r != CCID_DRIVER_ERR_CARD_INACTIVE
@ -2419,7 +2424,15 @@ ccid_slot_status (ccid_driver_t handle, int *statusbits, int on_wire)
/* Setup interrupt transfer at the initial call of slot_status
with ON_WIRE == 0 */
if (handle->transfer == NULL && handle->ep_intr >= 0)
{
ccid_setup_intr (handle);
if (handle->id_vendor == VENDOR_SCM)
{
DEBUGOUT ("sending escape sequence to switch to a case 1 APDU\n");
send_escape_cmd (handle, (const unsigned char*)"\x80\x02\x00", 3,
NULL, 0, NULL);
}
}
*statusbits = 0;
return 0;