Differences From Artifact [b9a7131d32]:
- File
cackey.c
— part of check-in
[11bf77ef42]
at
2010-05-14 00:56:32
on branch trunk
— Added comments
Updated buffer name in PRINTBUF to avoid aliases (user: rkeene, size: 130498) [annotate] [blame] [check-ins using]
To Artifact [4f1f703fd4]:
- File
cackey.c
— part of check-in
[fab9cf1772]
at
2010-05-14 02:16:14
on branch trunk
— Added transaction support
Updated reading certs to be transactional
Added function to connect to card (user: rkeene, size: 133367) [annotate] [blame] [check-ins using]
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}
#endif
CACKEY_DEBUG_PRINTF("Sucessfully connected to PC/SC, returning in success");
return(CACKEY_PCSC_S_OK);
}
/*
* SYNPOSIS
* cackey_ret cackey_connect_card(struct cackey_slot *slot);
*
* ARGUMENTS
* cackey_slot *slot
* Slot to send commands to
*
* RETURN VALUE
* CACKEY_PCSC_S_OK On success
* CACKEY_PCSC_E_GENERIC On error
*
* NOTES
* None
*
*/
static cackey_ret cackey_connect_card(struct cackey_slot *slot) {
cackey_ret pcsc_connect_ret;
DWORD protocol;
LONG scard_conn_ret;
CACKEY_DEBUG_PRINTF("Called.");
if (!slot) {
CACKEY_DEBUG_PRINTF("Invalid slot specified, returning in failure");
return(CACKEY_PCSC_E_GENERIC);
}
pcsc_connect_ret = cackey_pcsc_connect();
if (pcsc_connect_ret != CACKEY_PCSC_S_OK) {
CACKEY_DEBUG_PRINTF("Connection to PC/SC failed, returning in failure");
return(CACKEY_PCSC_E_GENERIC);
}
/* Connect to reader, if needed */
if (!slot->pcsc_card_connected) {
CACKEY_DEBUG_PRINTF("SCardConnect(%s) called", slot->pcsc_reader);
scard_conn_ret = SCardConnect(*cackey_pcsc_handle, slot->pcsc_reader, SCARD_SHARE_SHARED, SCARD_PROTOCOL_T0, &slot->pcsc_card, &protocol);
if (scard_conn_ret != SCARD_S_SUCCESS) {
CACKEY_DEBUG_PRINTF("Connection to card failed, returning in failure (SCardConnect() = %s/%li)", CACKEY_DEBUG_FUNC_SCARDERR_TO_STR(scard_conn_ret), (long) scard_conn_ret);
return(CACKEY_PCSC_E_GENERIC);
}
slot->pcsc_card_connected = 1;
}
return(CACKEY_PCSC_S_OK);
}
/*
* SYNPOSIS
* cackey_ret cackey_begin_transaction(struct cackey_slot *slot);
*
* ARGUMENTS
* cackey_slot *slot
* Slot to send commands to
*
* RETURN VALUE
* CACKEY_PCSC_S_OK On success
* CACKEY_PCSC_E_GENERIC On error
*
* NOTES
* The transaction should be terminated using "cackey_end_transaction"
*
*/
static cackey_ret cackey_begin_transaction(struct cackey_slot *slot) {
cackey_ret cackey_conn_ret;
LONG scard_trans_ret;
CACKEY_DEBUG_PRINTF("Called.");
cackey_conn_ret = cackey_connect_card(slot);
if (cackey_conn_ret != CACKEY_PCSC_S_OK) {
CACKEY_DEBUG_PRINTF("Unable to connect to card, returning in error");
return(CACKEY_PCSC_E_GENERIC);
}
scard_trans_ret = SCardBeginTransaction(slot->pcsc_card);
if (scard_trans_ret != SCARD_S_SUCCESS) {
CACKEY_DEBUG_PRINTF("Unable to begin transaction, returning in error");
return(CACKEY_PCSC_E_GENERIC);
}
return(CACKEY_PCSC_S_OK);
}
/*
* SYNPOSIS
* cackey_ret cackey_end_transaction(struct cackey_slot *slot);
*
* ARGUMENTS
* cackey_slot *slot
* Slot to send commands to
*
* RETURN VALUE
* CACKEY_PCSC_S_OK On success
* CACKEY_PCSC_E_GENERIC On error
*
* NOTES
* This function requires "cackey_begin_transaction" to be called first
*
*/
static cackey_ret cackey_end_transaction(struct cackey_slot *slot) {
LONG scard_trans_ret;
CACKEY_DEBUG_PRINTF("Called.");
if (!slot->pcsc_card_connected) {
CACKEY_DEBUG_PRINTF("Card is not connected, unable to end transaction");
return(CACKEY_PCSC_E_GENERIC);
}
scard_trans_ret = SCardEndTransaction(slot->pcsc_card, SCARD_LEAVE_CARD);
if (scard_trans_ret != SCARD_S_SUCCESS) {
CACKEY_DEBUG_PRINTF("Unable to end transaction, returning in error");
return(CACKEY_PCSC_E_GENERIC);
}
return(CACKEY_PCSC_S_OK);
}
/* APDU Related Functions */
/*
* SYNPOSIS
* cackey_ret cackey_send_apdu(struct cackey_slot *slot, unsigned char class, unsigned char instruction, unsigned char p1, unsigned char p2, unsigned char lc, unsigned char *data, unsigned char le, uint16_t *respcode, unsigned char *respdata, size_t *respdata_len);
*
* ARGUMENTS
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*
*/
static cackey_ret cackey_send_apdu(struct cackey_slot *slot, unsigned char class, unsigned char instruction, unsigned char p1, unsigned char p2, unsigned char lc, unsigned char *data, unsigned char le, uint16_t *respcode, unsigned char *respdata, size_t *respdata_len) {
uint8_t major_rc, minor_rc;
size_t bytes_to_copy, tmp_respdata_len;
DWORD protocol;
DWORD xmit_len, recv_len;
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if (certs != NULL) {
CACKEY_DEBUG_PRINTF("Requested we return 0 objects, short-circuit");
return(certs);
}
}
/* Begin a SmartCard transaction */
cackey_begin_transaction(slot);
if (certs == NULL) {
certs = malloc(sizeof(*certs) * 5);
*count = 5;
certs_resizable = 1;
} else {
certs_resizable = 0;
}
/* Select the CCC Applet */
send_ret = cackey_select_applet(slot, ccc_aid, sizeof(ccc_aid));
if (send_ret != CACKEY_PCSC_S_OK) {
CACKEY_DEBUG_PRINTF("Unable to select CCC Applet, returning in failure");
/* Terminate SmartCard Transaction */
cackey_end_transaction(slot);
return(NULL);
}
/* Read all the applets from the CCC's TLV */
ccc_tlv = cackey_read_tlv(slot);
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cackey_free_tlv(ccc_tlv);
*count = outidx;
if (certs_resizable) {
certs = realloc(certs, sizeof(*certs) * (*count));
}
/* Terminate SmartCard Transaction */
cackey_end_transaction(slot);
return(certs);
}
/*
* SYNPOSIS
* ...
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