Version 0.5.0 of tinydtls
Dependents: tinydtls_test_cellular tinydtls_test_ethernet tiny-dtls
Diff: alert.h
- Revision:
- 0:ff9ebe0cf0e9
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/alert.h Fri Oct 18 13:18:30 2013 +0000 @@ -0,0 +1,80 @@ +/* alert.h -- DTLS alert protocol + * + * Copyright (C) 2012 Olaf Bergmann <bergmann@tzi.org> + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/** + * @file alert.h + * @brief DTLS alert protocol + */ + +#ifndef _ALERT_H_ +#define _ALERT_H_ + +#include "config.h" + +typedef enum { + DTLS_ALERT_LEVEL_WARNING=1, + DTLS_ALERT_LEVEL_FATAL=2 +} dtls_alert_level_t; + +typedef enum { + DTLS_ALERT_CLOSE_NOTIFY = 0, /* close_notify */ + DTLS_ALERT_UNEXPECTED_MESSAGE = 10, /* unexpected_message */ + DTLS_ALERT_BAD_RECORD_MAC = 20, /* bad_record_mac */ + DTLS_ALERT_RECORD_OVERFLOW = 22, /* record_overflow */ + DTLS_ALERT_DECOMPRESSION_FAILURE = 30, /* decompression_failure */ + DTLS_ALERT_HANDSHAKE_FAILURE = 40, /* handshake_failure */ + DTLS_ALERT_BAD_CERTIFICATE = 42, /* bad_certificate */ + DTLS_ALERT_UNSUPPORTED_CERTIFICATE = 43, /* unsupported_certificate */ + DTLS_ALERT_CERTIFICATE_REVOKED = 44, /* certificate_revoked */ + DTLS_ALERT_CERTIFICATE_EXPIRED = 45, /* certificate_expired */ + DTLS_ALERT_CERTIFICATE_UNKNOWN = 46, /* certificate_unknown */ + DTLS_ALERT_ILLEGAL_PARAMETER = 47, /* illegal_parameter */ + DTLS_ALERT_UNKNOWN_CA = 48, /* unknown_ca */ + DTLS_ALERT_ACCESS_DENIED = 49, /* access_denied */ + DTLS_ALERT_DECODE_ERROR = 50, /* decode_error */ + DTLS_ALERT_DECRYPT_ERROR = 51, /* decrypt_error */ + DTLS_ALERT_PROTOCOL_VERSION = 70, /* protocol_version */ + DTLS_ALERT_INSUFFICIENT_SECURITY = 71, /* insufficient_security */ + DTLS_ALERT_INTERNAL_ERROR = 80, /* internal_error */ + DTLS_ALERT_USER_CANCELED = 90, /* user_canceled */ + DTLS_ALERT_NO_RENEGOTIATION = 100, /* no_renegotiation */ + DTLS_ALERT_UNSUPPORTED_EXTENSION = 110 /* unsupported_extension */ +} dtls_alert_t; + +#define DTLS_EVENT_CONNECTED 0x01DE + +static inline int +dtls_alert_create(dtls_alert_level_t level, dtls_alert_t desc) +{ + return -((level << 8) | desc); +} + +static inline int +dtls_alert_fatal_create(dtls_alert_t desc) +{ + return dtls_alert_create(DTLS_ALERT_LEVEL_FATAL, desc); +} + +#endif /* _ALERT_H_ */