}

	CACKEY_DEBUG_PRINTF("Returning CKR_FUNCTION_NOT_SUPPORTED (%i)", CKR_FUNCTION_NOT_SUPPORTED);

	return(CKR_FUNCTION_NOT_SUPPORTED);
}

CK_DEFINE_FUNCTION(CK_RV, _C_LoginMutexArg)(CK_SESSION_HANDLE hSession, CK_USER_TYPE userType, CK_UTF8CHAR_PTR pPin, CK_ULONG ulPinLen, int lock_mutex) {
	CK_SLOT_ID slotID;
	cackey_ret get_pin_ret;
	char pinbuf[64];
	int mutex_retval;
	int tries_remaining;
	int login_ret;

	CACKEY_DEBUG_PRINTF("Returning CKR_OK (%i)", CKR_OK);

	return(CKR_OK);
}

CK_DEFINE_FUNCTION(CK_RV, C_Login)(CK_SESSION_HANDLE hSession, CK_USER_TYPE userType, CK_UTF8CHAR_PTR pPin, CK_ULONG ulPinLen) {
	return(_C_LoginMutexArg(hSession, userType, pPin, ulPinLen, 1));
}

CK_DEFINE_FUNCTION(CK_RV, C_Logout)(CK_SESSION_HANDLE hSession) {
	CK_SLOT_ID slotID;
	int mutex_retval;

	CACKEY_DEBUG_PRINTF("Called.");

	switch (cackey_sessions[hSession].decrypt_mechanism) {
		case CKM_RSA_PKCS:
			/* Ask card to decrypt */
			buflen = cackey_signdecrypt(&cackey_slots[slotID], cackey_sessions[hSession].decrypt_identity, pEncryptedPart, ulEncryptedPartLen, buf, sizeof(buf), 0, 1);

			if (buflen == CACKEY_PCSC_E_NEEDLOGIN && cackey_pin_command != NULL) {
				if (_C_LoginMutexArg(hSession, CKU_USER, NULL, 0, 0) == CKR_OK) {
					buflen = cackey_signdecrypt(&cackey_slots[slotID], cackey_sessions[hSession].decrypt_identity, pEncryptedPart, ulEncryptedPartLen, buf, sizeof(buf), 0, 1);
				}
			}

			if (buflen < 0) {
				/* Decryption failed. */
				if (buflen == CACKEY_PCSC_E_NEEDLOGIN) {

	switch (cackey_sessions[hSession].sign_mechanism) {
		case CKM_RSA_PKCS:
			/* Ask card to sign */
			CACKEY_DEBUG_PRINTF("Asking to sign from identity %p in session %lu", (void *) cackey_sessions[hSession].sign_identity, (unsigned long) hSession);
			sigbuflen = cackey_signdecrypt(&cackey_slots[slotID], cackey_sessions[hSession].sign_identity, cackey_sessions[hSession].sign_buf, cackey_sessions[hSession].sign_bufused, sigbuf, sizeof(sigbuf), 1, 0);

			if (sigbuflen == CACKEY_PCSC_E_NEEDLOGIN && cackey_pin_command != NULL) {
				if (_C_LoginMutexArg(hSession, CKU_USER, NULL, 0, 0) == CKR_OK) {
					sigbuflen = cackey_signdecrypt(&cackey_slots[slotID], cackey_sessions[hSession].sign_identity, cackey_sessions[hSession].sign_buf, cackey_sessions[hSession].sign_bufused, sigbuf, sizeof(sigbuf), 1, 0);
				}
			}

			if (sigbuflen < 0) {
				/* Signing failed. */
				if (sigbuflen == CACKEY_PCSC_E_NEEDLOGIN) {