handle OTP_RC_IPIN error from otpd-2.2.1+
#define OTP_RC_MAXTRIES 4
#define OTP_RC_SERVICE_ERR 5
#define OTP_RC_NEXT_PASSCODE 6
+#define OTP_RC_IPIN 7
#define OTP_MAX_USERNAME_LEN 31
/* only needs to be MAX_PIN_LEN (16) + MAX_RESPONSE_LEN (16) */
case OTP_RC_AUTH_ERR: return RLM_MODULE_REJECT;
case OTP_RC_MAXTRIES: return RLM_MODULE_USERLOCK;
case OTP_RC_NEXTPASSCODE: return RLM_MODULE_USERLOCK;
+ case OTP_RC_IPIN: return RLM_MODULE_REJECT;
case OTP_RC_SERVICE_ERR: return RLM_MODULE_FAIL;
default: return RLM_MODULE_FAIL;
}