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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 00:53:35 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 00:53:35 +0000 |
commit | 69c6a41ffb878ef98c9378ed4b1634a404cfaa7f (patch) | |
tree | b2a4f704565d62fbb129ab9dc3b35977c50e6e7f /src/libdnssec/shared/shared.h | |
parent | Initial commit. (diff) | |
download | knot-69c6a41ffb878ef98c9378ed4b1634a404cfaa7f.tar.xz knot-69c6a41ffb878ef98c9378ed4b1634a404cfaa7f.zip |
Adding upstream version 2.7.6.upstream/2.7.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/libdnssec/shared/shared.h')
-rw-r--r-- | src/libdnssec/shared/shared.h | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/src/libdnssec/shared/shared.h b/src/libdnssec/shared/shared.h new file mode 100644 index 0000000..1f55033 --- /dev/null +++ b/src/libdnssec/shared/shared.h @@ -0,0 +1,129 @@ +/* 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; +} |