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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/>.
*/
#pragma once
#include <assert.h>
#include <dirent.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <gnutls/abstract.h>
#include <gnutls/crypto.h>
#include <gnutls/gnutls.h>
#include <gnutls/x509.h>
#include "libdnssec/binary.h"
#define _public_ __attribute__((visibility("default")))
#define _hidden_ __attribute__((visibility("hidden")))
#define _unused_ __attribute__((unused))
/**
* Macro to clear a structure of known size.
*
* \param pointer Pointer to the structure.
*/
#define clear_struct(pointer) memset((pointer), '\0', sizeof(*(pointer)))
#define streq(one, two) (strcmp((one), (two)) == 0)
/* -- cleanup macros ------------------------------------------------------- */
#define _cleanup_(var) __attribute__((cleanup(var)))
static inline void free_ptr(void *ptr)
{
free(*(void **)ptr);
}
static inline void close_ptr(int *ptr)
{
if (*ptr != -1) {
close(*ptr);
}
}
static inline void fclose_ptr(FILE **ptr)
{
if (*ptr) {
fclose(*ptr);
}
}
static inline void closedir_ptr(DIR **ptr)
{
if (*ptr) {
closedir(*ptr);
}
}
static inline void free_gnutls_datum_ptr(gnutls_datum_t *ptr)
{
gnutls_free(ptr->data);
}
static inline void free_x509_privkey_ptr(gnutls_x509_privkey_t *ptr)
{
if (*ptr) {
gnutls_x509_privkey_deinit(*ptr);
}
}
static inline void free_pubkey_ptr(gnutls_pubkey_t *ptr)
{
if (*ptr) {
gnutls_pubkey_deinit(*ptr);
}
}
static inline void free_gnutls_hash_ptr(gnutls_hash_hd_t *ptr)
{
if (*ptr) {
gnutls_hash_deinit(*ptr, NULL);
}
}
#define _cleanup_free_ _cleanup_(free_ptr)
#define _cleanup_close_ _cleanup_(close_ptr)
#define _cleanup_fclose_ _cleanup_(fclose_ptr)
#define _cleanup_closedir_ _cleanup_(closedir_ptr)
#define _cleanup_binary_ _cleanup_(dnssec_binary_free)
#define _cleanup_datum_ _cleanup_(free_gnutls_datum_ptr)
#define _cleanup_x509_privkey_ _cleanup_(free_x509_privkey_ptr)
#define _cleanup_pubkey_ _cleanup_(free_pubkey_ptr)
#define _cleanup_hash_ _cleanup_(free_gnutls_hash_ptr)
/* -- assertions ----------------------------------------------------------- */
#define assert_unreachable() assert(0)
/* -- crypto helpers ------------------------------------------------------- */
static inline gnutls_datum_t binary_to_datum(const dnssec_binary_t *from)
{
gnutls_datum_t to = { .size = from->size, .data = from->data };
return to;
}
static inline dnssec_binary_t binary_from_datum(const gnutls_datum_t *from)
{
dnssec_binary_t to = { .size = from->size, .data = from->data };
return to;
}
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