| /* 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 _DTLS_ALERT_H_ |
| #define _DTLS_ALERT_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_CONNECT 0x01DC /**< initiated handshake */ |
| #define DTLS_EVENT_CONNECTED 0x01DE /**< handshake or re-negotiation |
| * has finished */ |
| #define DTLS_EVENT_RENEGOTIATE 0x01DF /**< re-negotiation has started */ |
| |
| 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 /* _DTLS_ALERT_H_ */ |
