CK_VOID_PTR decrypt_mech_parm;
	CK_ULONG decrypt_mech_parmlen;
	struct cackey_identity *decrypt_identity;
};

struct cackey_slot {
	int active;
	int internal;

	char *pcsc_reader;

	int pcsc_card_connected;
	SCARDHANDLE pcsc_card;

	int transaction_depth;

 */
static void cackey_slots_disconnect_all(void) {
	uint32_t idx;

	CACKEY_DEBUG_PRINTF("Called.");

	for (idx = 0; idx < (sizeof(cackey_slots) / sizeof(cackey_slots[0])); idx++) {
		if (cackey_slots[idx].internal) {
			/* Skip internal slots */
			continue;
		}

		if (cackey_slots[idx].pcsc_card_connected) {
			CACKEY_DEBUG_PRINTF("SCardDisconnect(%lu) called", (unsigned long) idx);

			SCardDisconnect(cackey_slots[idx].pcsc_card, SCARD_LEAVE_CARD);
		}

		if (cackey_slots[idx].label) {

static cackey_ret cackey_token_present(struct cackey_slot *slot) {
	cackey_ret pcsc_connect_ret;
	DWORD reader_len, state, protocol, atr_len;
	BYTE atr[MAX_ATR_SIZE];
	LONG status_ret, scard_reconn_ret;

	CACKEY_DEBUG_PRINTF("Called.");

	if (slot->internal) {
		CACKEY_DEBUG_PRINTF("Returning token present (internal token)");

		return(CACKEY_PCSC_S_TOKENPRESENT);
	}

	pcsc_connect_ret = cackey_connect_card(slot);
	if (pcsc_connect_ret != CACKEY_PCSC_S_OK) {
		CACKEY_DEBUG_PRINTF("Unable to connect to card, returning token absent");

		return(CACKEY_PCSC_E_TOKENABSENT);
	}

			cackey_free_certs(identities[id_idx].pcsc_identity, 1, 1);
		}
	}

	free(identities);
}

static unsigned long cackey_read_dod_identities(struct cackey_identity *identities, unsigned long id_idx, unsigned long num_dod_certs) {
	unsigned long cert_idx;

	for (cert_idx = 0; cert_idx < num_dod_certs; cert_idx++) {
		identities[id_idx].pcsc_identity = NULL;
		identities[id_idx].attributes = cackey_get_attributes(CKO_CERTIFICATE, &extra_certs[cert_idx], 0xf000 | cert_idx, &identities[id_idx].attributes_count);
		id_idx++;

		identities[id_idx].pcsc_identity = NULL;
		identities[id_idx].attributes = cackey_get_attributes(CKO_PUBLIC_KEY, &extra_certs[cert_idx], 0xf000 | cert_idx, &identities[id_idx].attributes_count);
		id_idx++;

		identities[id_idx].pcsc_identity = NULL;
		identities[id_idx].attributes = cackey_get_attributes(CKO_NETSCAPE_TRUST, &extra_certs[cert_idx], 0xf000 | cert_idx, &identities[id_idx].attributes_count);
		id_idx++;
	}

	return(id_idx);
}

static struct cackey_identity *cackey_read_identities(struct cackey_slot *slot, unsigned long *ids_found) {
	struct cackey_pcsc_identity *pcsc_identities;
	struct cackey_identity *identities;
	unsigned long num_ids, id_idx, curr_id_type;
	unsigned long num_certs, num_extra_certs, cert_idx;
	int include_extra_certs = 1;
	unsigned long num_certs, num_dod_certs, cert_idx;
	int include_extra_certs = 0;

	CACKEY_DEBUG_PRINTF("Called.");

	if (ids_found == NULL) {
		CACKEY_DEBUG_PRINTF("Error.  ids_found is NULL");
	if (getenv("CACKEY_NO_EXTRA_CERTS") != NULL) {
		CACKEY_DEBUG_PRINTF("Asked not to include extra (DoD) certificates");

		return(NULL);
	}

#ifdef CACKEY_CARD_SLOT_INCLUDE_EXTRA_CERTS
	include_extra_certs = 1;
#endif

	if (getenv("CACKEY_DOD_CERTS_ON_HW_SLOTS") != NULL) {
		include_extra_certs = 0;
		include_extra_certs = 1;
	}

	if (getenv("CACKEY_NO_DOD_CERTS_ON_HW_SLOTS") != NULL) {
	if (include_extra_certs) {
		num_extra_certs = sizeof(extra_certs) / sizeof(extra_certs[0]);

		CACKEY_DEBUG_PRINTF("Including %li DoD Certificates as objects on this token", num_extra_certs);
	} else {
		num_extra_certs = 0;
	}
		include_extra_certs = 0;
	}

	if (getenv("CACKEY_NO_EXTRA_CERTS") != NULL) {
		num_dod_certs = 0;
	} else {
		num_dod_certs = sizeof(extra_certs) / sizeof(extra_certs[0]);
	}

	if (slot->internal) {
		num_ids = num_dod_certs;

		if (num_ids != 0) {
			identities = malloc(num_ids * sizeof(*identities));

			cackey_read_dod_identities(identities, 0, num_dod_certs);
		} else {
			identities = NULL;
		}

	if (ids_found == NULL) {
		*ids_found = num_ids;
		CACKEY_DEBUG_PRINTF("Error.  ids_found is NULL");

		return(NULL);
		return(identities);
	}

	pcsc_identities = cackey_read_certs(slot, NULL, &num_certs);
	if (pcsc_identities != NULL) {
		/* Convert number of Certs to number of objects */
		num_ids = (CKO_PRIVATE_KEY - CKO_CERTIFICATE + 1) * num_certs;

		if (include_extra_certs) {
		num_ids += num_extra_certs * 3;
			num_ids += num_dod_certs;
		}

		identities = malloc(num_ids * sizeof(*identities));

		/* Add certificates, public keys, and private keys from the smartcard */
		id_idx = 0;
		for (cert_idx = 0; cert_idx < num_certs; cert_idx++) {
			for (curr_id_type = CKO_CERTIFICATE; curr_id_type <= CKO_PRIVATE_KEY; curr_id_type++) {
				identities[id_idx].attributes = cackey_get_attributes(curr_id_type, &pcsc_identities[cert_idx], cert_idx, &identities[id_idx].attributes_count);

				identities[id_idx].pcsc_identity = malloc(sizeof(*identities[id_idx].pcsc_identity));
				memcpy(identities[id_idx].pcsc_identity, &pcsc_identities[cert_idx], sizeof(*identities[id_idx].pcsc_identity));

				identities[id_idx].pcsc_identity->certificate = malloc(pcsc_identities[cert_idx].certificate_len);
				memcpy(identities[id_idx].pcsc_identity->certificate, pcsc_identities[cert_idx].certificate, pcsc_identities[cert_idx].certificate_len);

				id_idx++;
			}
		}

		if (include_extra_certs) {
			CACKEY_DEBUG_PRINTF("Including DoD Certificates on hardware slot");

			cackey_read_dod_identities(identities, id_idx, num_dod_certs);
		}

		cackey_free_certs(pcsc_identities, num_certs, 1);

		/* Add DoD Certificates and Netscape Trust Objects */
		for (cert_idx = 0; cert_idx < num_extra_certs; cert_idx++) {
			identities[id_idx].pcsc_identity = NULL;
			identities[id_idx].attributes = cackey_get_attributes(CKO_CERTIFICATE, &extra_certs[cert_idx], 0xf000 | cert_idx, &identities[id_idx].attributes_count);
			id_idx++;

		*ids_found = num_ids;
			identities[id_idx].pcsc_identity = NULL;
			identities[id_idx].attributes = cackey_get_attributes(CKO_PUBLIC_KEY, &extra_certs[cert_idx], 0xf000 | cert_idx, &identities[id_idx].attributes_count);
			id_idx++;

			identities[id_idx].pcsc_identity = NULL;
		return(identities);
			identities[id_idx].attributes = cackey_get_attributes(CKO_NETSCAPE_TRUST, &extra_certs[cert_idx], 0xf000 | cert_idx, &identities[id_idx].attributes_count);
			id_idx++;
		}
	}

		*ids_found = num_ids;
		return(identities);
	}

	*ids_found = 0;
	return(NULL);
}

CK_DEFINE_FUNCTION(CK_RV, C_Initialize)(CK_VOID_PTR pInitArgs) {
	CK_C_INITIALIZE_ARGS CK_PTR args;
	uint32_t idx;
	uint32_t idx, highest_slot;
	int mutex_init_ret;

	CACKEY_DEBUG_PRINTF("Called.");

	if (cackey_initialized) {
		CACKEY_DEBUG_PRINTF("Error.  Already initialized.");

		cackey_slots[idx].active = 0;
		cackey_slots[idx].pcsc_reader = NULL;
		cackey_slots[idx].transaction_depth = 0;
		cackey_slots[idx].transaction_need_hw_lock = 0;
		cackey_slots[idx].slot_reset = 0;
		cackey_slots[idx].token_flags = 0;
		cackey_slots[idx].label = NULL;
		cackey_slots[idx].internal = 0;
	}

	if (getenv("CACKEY_NO_EXTRA_CERTS") != NULL) {
		CACKEY_DEBUG_PRINTF("Asked not to include DoD certificates");
	} else {
		highest_slot = (sizeof(cackey_slots) / sizeof(cackey_slots[0])) - 1;

		CACKEY_DEBUG_PRINTF("Including DoD certs in slot %lu", (unsigned long) highest_slot);

		cackey_slots[highest_slot].active = 1;
		cackey_slots[highest_slot].internal = 1;
		cackey_slots[highest_slot].label = (unsigned char *) "DoD Certificates";
		cackey_slots[highest_slot].pcsc_reader = "CACKey";
		cackey_slots[highest_slot].token_flags = 0;
	}

	cackey_initialized = 1;

	if (!cackey_biglock_init) {
		mutex_init_ret = cackey_mutex_create(&cackey_biglock);

			C_CloseSession(idx);
		}
	}

	cackey_slots_disconnect_all();

	for (idx = 0; idx < (sizeof(cackey_slots) / sizeof(cackey_slots[0])); idx++) {
		if (cackey_slots[idx].internal) {
			continue;
		}

		if (cackey_slots[idx].pcsc_reader) {
			free(cackey_slots[idx].pcsc_reader);
		}
	}

	cackey_pcsc_disconnect();

/*
 * Process list of readers, and create mapping between reader name and slot ID
 */
CK_DEFINE_FUNCTION(CK_RV, C_GetSlotList)(CK_BBOOL tokenPresent, CK_SLOT_ID_PTR pSlotList, CK_ULONG_PTR pulCount) {
	int mutex_retval;
	int pcsc_connect_ret;
	CK_ULONG count, slot_count = 0, currslot;
	CK_ULONG count, slot_count = 0, currslot, slot_idx;
	char *pcsc_readers, *pcsc_readers_s, *pcsc_readers_e;
	DWORD pcsc_readers_len;
	LONG scard_listreaders_ret;
	size_t curr_reader_len;

	CACKEY_DEBUG_PRINTF("Called.");

	if (pSlotList) {
		CACKEY_DEBUG_PRINTF("Purging all slot information.");

		/* Only update the list of slots if we are actually being supply the slot information */
		cackey_slots_disconnect_all();

		for (currslot = 0; currslot < (sizeof(cackey_slots) / sizeof(cackey_slots[0])); currslot++) {
			if (cackey_slots[currslot].internal) {
				continue;
			}

			if (cackey_slots[currslot].pcsc_reader) {
				free(cackey_slots[currslot].pcsc_reader);

				cackey_slots[currslot].pcsc_reader = NULL;
			}

			if (cackey_slots[currslot].label) {

			scard_listreaders_ret = SCardListReaders(*cackey_pcsc_handle, NULL, pcsc_readers, &pcsc_readers_len);
			if (scard_listreaders_ret == SCARD_S_SUCCESS) {
				pcsc_readers_e = pcsc_readers + pcsc_readers_len;

				/* Start with Slot ID 1, to avoid a bug in GDM on RHEL */
				/* Bug 594911: https://bugzilla.redhat.com/show_bug.cgi?id=594911 */
				currslot = 1;
				slot_count = 0;
				while (pcsc_readers < pcsc_readers_e) {
					/* Find next available slot */
					for (; currslot < (sizeof(cackey_slots) / sizeof(cackey_slots[0])); currslot++) {
						if (!cackey_slots[currslot].active) {
							break;
						}
					}

					curr_reader_len = strlen(pcsc_readers);

					if ((pcsc_readers + curr_reader_len) > pcsc_readers_e) {
						break;
					}

					if (curr_reader_len == 0) {

					}

					CACKEY_DEBUG_PRINTF("Found reader: %s", pcsc_readers);

					/* Only update the list of slots if we are actually being asked supply the slot information */
					if (pSlotList) {
						cackey_slots[currslot].active = 1;
						cackey_slots[currslot].internal = 0;
						cackey_slots[currslot].pcsc_reader = strdup(pcsc_readers);
						cackey_slots[currslot].pcsc_card_connected = 0;
						cackey_slots[currslot].transaction_depth = 0;
						cackey_slots[currslot].transaction_need_hw_lock = 0;
						cackey_slots[currslot].slot_reset = 1;
						cackey_slots[currslot].token_flags = CKF_LOGIN_REQUIRED;
						cackey_slots[currslot].label = NULL;

						cackey_mark_slot_reset(&cackey_slots[currslot]);
					} else {
						/* Artificially increase the number of active slots by what will become active */
						slot_count++;
					}
					currslot++;

					pcsc_readers += curr_reader_len + 1;
				}

				/* Start with Slot ID 1, to avoid a bug in GDM on RHEL */
				for (currslot = 0; currslot < (sizeof(cackey_slots) / sizeof(cackey_slots[0])); currslot++) {
				/* Bug 594911: https://bugzilla.redhat.com/show_bug.cgi?id=594911 */
				if (currslot > 1) {
					/* Start with Slot ID 1, to avoid a bug in GDM on RHEL */
					if (cackey_slots[currslot].active) {
						CACKEY_DEBUG_PRINTF("Found active slot %lu", (unsigned long) currslot);

					/* Bug 594911: https://bugzilla.redhat.com/show_bug.cgi?id=594911 */
					slot_count = currslot - 1;
						slot_count++;
					}
				}
			} else {
				CACKEY_DEBUG_PRINTF("Second call to SCardListReaders failed, return %s/%li", CACKEY_DEBUG_FUNC_SCARDERR_TO_STR(scard_listreaders_ret), (long) scard_listreaders_ret);
			}

			free(pcsc_readers_s);
		} else {

		return(CKR_OK);
	}

	count = *pulCount;
	if (count < slot_count) {
		CACKEY_DEBUG_PRINTF("Error. User allocated %lu entries, but we have %lu entries.", count, slot_count);

		CACKEY_DEBUG_PRINTF("Returning CKR_BUFFER_TOO_SMALL");

		return(CKR_BUFFER_TOO_SMALL);	
	}

	mutex_retval = cackey_mutex_lock(cackey_biglock);
	if (mutex_retval != 0) {
		CACKEY_DEBUG_PRINTF("Error.  Locking failed.");
	for (currslot = 0; currslot < slot_count; currslot++) {
		/* Start with Slot ID 1, to avoid a bug in GDM on RHEL */
		/* Bug 594911: https://bugzilla.redhat.com/show_bug.cgi?id=594911 */
		pSlotList[currslot] = currslot + 1;

		return(CKR_GENERAL_ERROR);
	}

	slot_idx = 0;
	for (currslot = 0; (currslot < (sizeof(cackey_slots) / sizeof(cackey_slots[0]))); currslot++) {
		if (!cackey_slots[currslot].active) {
			continue;
		}

		if (slot_idx >= count) {
			CACKEY_DEBUG_PRINTF("Error. User allocated %lu entries, but we just tried to write to the %lu index -- ignoring", count, slot_idx);

			continue;
		}

		pSlotList[slot_idx] = currslot;
		slot_idx++;
	}

	mutex_retval = cackey_mutex_unlock(cackey_biglock);
	if (mutex_retval != 0) {
		CACKEY_DEBUG_PRINTF("Error.  Unlocking failed.");

		return(CKR_GENERAL_ERROR);
	}

	*pulCount = slot_count;

	CACKEY_DEBUG_PRINTF("Returning CKR_OK (%i).  Found %lu readers.", CKR_OK, (unsigned long) slot_count);

	return(CKR_OK);

		CACKEY_DEBUG_PRINTF("Error. Invalid slot requested (%lu), slot not currently active", slotID);

		cackey_mutex_unlock(cackey_biglock);

		return(CKR_SLOT_ID_INVALID);
	}

	pInfo->flags = CKF_REMOVABLE_DEVICE | CKF_HW_SLOT;
	pInfo->flags = CKF_HW_SLOT;

	if (!cackey_slots[slotID].internal) {
		pInfo->flags |= CKF_REMOVABLE_DEVICE;
	}

	if (cackey_token_present(&cackey_slots[slotID]) == CACKEY_PCSC_S_TOKENPRESENT) {
		pInfo->flags |= CKF_TOKEN_PRESENT;
	}

	bytes_to_copy = strlen(cackey_slots[slotID].pcsc_reader);
	if (sizeof(pInfo->manufacturerID) < bytes_to_copy) {

		AC_MSG_RESULT(okay)
	], [
		AC_MSG_RESULT(failed)

		AC_MSG_FAILURE([simple PC/SC program failed])
	]
)

dnl Option to enable DoD certs on hardware slot
AC_ARG_ENABLE(dod-certs-on-hw-slots, AC_HELP_STRING([--enable-dod-certs-on-hw-slots], [Specify that DoD certificates should be made available on hardware token slots]), [
	dodcertsonhwslots=$enableval
], [
	dodcertsonhwslots=no
])

if ! test "${dodcertsonhwslots}" = 'no'; then
	AC_DEFINE(CACKEY_CARD_SLOT_INCLUDE_EXTRA_CERTS, [1], [Specify that DoD certificates should be made available on hardware token slots])
fi

dnl Set version script, to limit the scope of symbols
DC_SETVERSIONSCRIPT(libcackey.vers, libcackey.syms)

dnl Upate LDFLAGS to include setting the run-time linker path to the same as our compile-time linker
DC_SYNC_RPATH

		printf("  Slot %lu:\n", currSlot);

		chk_rv = C_GetSlotInfo(slots[currSlot], &slotInfo);
		if (chk_rv != CKR_OK) {
			return(1);
		}

		printf("    Id     : %lu\n", (unsigned long) slots[currSlot]);
		printf("    Desc   : %.*s\n", 32, slotInfo.slotDescription);
		printf("    ManufID: %.*s\n", 32, slotInfo.manufacturerID);
		printf("    HWVers : %i.%i\n", slotInfo.hardwareVersion.major, slotInfo.hardwareVersion.minor);
		printf("    FWVers : %i.%i\n", slotInfo.firmwareVersion.major, slotInfo.firmwareVersion.minor);
		printf("    Flags  : ");
		if ((slotInfo.flags & CKF_TOKEN_PRESENT) == CKF_TOKEN_PRESENT) {
			printf("CKF_TOKEN_PRESENT ");

			}
			printf("\n");
		}
	}

	chk_rv = C_OpenSession(slots[0], CKF_SERIAL_SESSION, NULL, NULL, &hSession);
	if (chk_rv == CKR_OK) {
		chk_rv = C_GetTokenInfo(slots[0], &tokenInfo);
		if (chk_rv != CKR_OK) {
			return(1);
		}

		if ((tokenInfo.flags & CKF_LOGIN_REQUIRED) == CKF_LOGIN_REQUIRED) {
			fgets_ret = NULL;

			while (fgets_ret == NULL) {
				printf("** ENTER PIN: ");
				fflush(stdout);