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/* Copyright (C) 2018 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*!
* \file
*
* \addtogroup error
*
* \brief Error codes and error reporting.
*
* The module defines all error codes used in the library, and functions
* to convert the error codes to sensible error strings.
*
* ~~~~~ {.c}
* int result;
*
* result = dnssec_key_set_pubkey(NULL, NULL);
* assert(result == DNSSEC_EINVAL);
*
* fprintf(stderr, "Error: %s.\n", dnssec_strerror(result));
* // Error: Invalid argument.
* ~~~~~
*
* @{
*/
#pragma once
#include <errno.h>
/*!
* Library error codes.
*/
enum dnssec_error {
DNSSEC_EOK = 0,
DNSSEC_ENOMEM = -ENOMEM,
DNSSEC_EINVAL = -EINVAL,
DNSSEC_ENOENT = -ENOENT,
DNSSEC_ERROR_MIN = -1500,
DNSSEC_ERROR = DNSSEC_ERROR_MIN,
DNSSEC_NOT_IMPLEMENTED_ERROR,
DNSSEC_MALFORMED_DATA,
DNSSEC_NOT_FOUND,
DNSSEC_PKCS8_IMPORT_ERROR,
DNSSEC_KEY_EXPORT_ERROR,
DNSSEC_KEY_IMPORT_ERROR,
DNSSEC_KEY_GENERATE_ERROR,
DNSSEC_INVALID_PUBLIC_KEY,
DNSSEC_INVALID_PRIVATE_KEY,
DNSSEC_INVALID_KEY_ALGORITHM,
DNSSEC_INVALID_KEY_SIZE,
DNSSEC_INVALID_KEY_ID,
DNSSEC_INVALID_KEY_NAME,
DNSSEC_NO_PUBLIC_KEY,
DNSSEC_NO_PRIVATE_KEY,
DNSSEC_KEY_ALREADY_PRESENT,
DNSSEC_SIGN_INIT_ERROR,
DNSSEC_SIGN_ERROR,
DNSSEC_INVALID_SIGNATURE,
DNSSEC_INVALID_NSEC3_ALGORITHM,
DNSSEC_NSEC3_HASHING_ERROR,
DNSSEC_INVALID_DS_ALGORITHM,
DNSSEC_DS_HASHING_ERROR,
DNSSEC_KEYSTORE_INVALID_CONFIG,
DNSSEC_P11_FAILED_TO_LOAD_MODULE,
DNSSEC_P11_TOO_MANY_MODULES,
DNSSEC_P11_TOKEN_NOT_AVAILABLE,
DNSSEC_ERROR_MAX = -1001
};
/*!
* Translate error code to error message.
*
* \param error Error code.
*
* \return Statically allocated error message string or NULL if unknown.
*/
const char *dnssec_strerror(int error);
/*!
* Convert errno value to DNSSEC error code.
*/
static inline int dnssec_errno_to_error(int ecode)
{
return -ecode;
}
/*! @} */
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