security-and-privacy/gnupg
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Code Activity

* cardglue.c (card_close): New.

Browse source 
* ccid-driver.c (ccid_close_reader): New.
* apdu.c (close_ccid_reader, close_ct_reader, close_csc_reader)
(close_osc_reader, apdu_close_reader): New.  Not all are properly
implemented yet.
* g10.c (g10_exit): Use close_card.
This commit is contained in:
Werner Koch 2003-10-10 15:12:02 +00:00
parent 547b00c9ff
commit 5a0fbad9b3
8 changed files with 139 additions and 12 deletions
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61
g10/ccid-driver.c
View file

@ -174,6 +174,12 @@ struct ccid_driver_s {
};
static int bulk_out (ccid_driver_t handle, unsigned char *msg, size_t msglen);
static int bulk_in (ccid_driver_t handle, unsigned char *buffer, size_t length,
size_t *nread, int expected_type, int seqno);
/* Convert a little endian stored 4 byte value into an unsigned
integer. */
static unsigned int
@ -182,6 +188,16 @@ convert_le_u32 (const unsigned char *buf)
return buf[0] | (buf[1] << 8) | (buf[2] << 16) | (buf[3] << 24);
}
static void
set_msg_len (unsigned char *msg, unsigned int length)
{
msg[1] = length;
msg[2] = length >> 8;
msg[3] = length >> 16;
msg[4] = length >> 24;
}
/* Parse a CCID descriptor, optionally print all available features
@ -482,6 +498,41 @@ ccid_open_reader (ccid_driver_t *handle, int readerno)
}
/* Close the reader HANDLE. */
int
ccid_close_reader (ccid_driver_t handle)
{
if (!handle || !handle->idev)
return 0;
{
int rc;
unsigned char msg[100];
size_t msglen;
unsigned char seqno;
msg[0] = PC_to_RDR_IccPowerOff;
msg[5] = 0; /* slot */
msg[6] = seqno = handle->seqno++;
msg[7] = 0; /* RFU */
msg[8] = 0; /* RFU */
msg[9] = 0; /* RFU */
set_msg_len (msg, 0);
msglen = 10;
rc = bulk_out (handle, msg, msglen);
if (!rc)
bulk_in (handle, msg, sizeof msg, &msglen, RDR_to_PC_SlotStatus, seqno);
}
usb_release_interface (handle->idev, 0);
usb_close (handle->idev);
handle->idev = NULL;
free (handle);
return 0;
}
/* Return False if a card is present and powered. */
int
ccid_check_card_presence (ccid_driver_t handle)
@ -491,16 +542,6 @@ ccid_check_card_presence (ccid_driver_t handle)
}
static void
set_msg_len (unsigned char *msg, unsigned int length)
{
msg[1] = length;
msg[2] = length >> 8;
msg[3] = length >> 16;
msg[4] = length >> 24;
}
/* Write a MSG of length MSGLEN to the designated bulk out endpoint.
Returns 0 on success. */
static int