122 lines
2.7 KiB
C
122 lines
2.7 KiB
C
/* $OpenBSD: crypto_init.c,v 1.21 2024/04/10 14:51:02 beck Exp $ */
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/*
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* Copyright (c) 2018 Bob Beck <beck@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/* OpenSSL style init */
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#include <pthread.h>
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#include <stdio.h>
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#include <openssl/asn1.h>
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#include <openssl/conf.h>
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#include <openssl/err.h>
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#include <openssl/evp.h>
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#include <openssl/objects.h>
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#include <openssl/x509v3.h>
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#include "cryptlib.h"
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#include "x509_issuer_cache.h"
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int OpenSSL_config(const char *);
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int OpenSSL_no_config(void);
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static pthread_once_t crypto_init_once = PTHREAD_ONCE_INIT;
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static pthread_t crypto_init_thread;
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static int crypto_init_cleaned_up;
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void
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OPENSSL_init(void)
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{
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}
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LCRYPTO_ALIAS(OPENSSL_init);
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static void
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OPENSSL_init_crypto_internal(void)
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{
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crypto_init_thread = pthread_self();
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OPENSSL_cpuid_setup();
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ERR_load_crypto_strings();
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}
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int
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OPENSSL_init_crypto(uint64_t opts, const void *settings)
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{
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if (crypto_init_cleaned_up) {
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CRYPTOerror(ERR_R_INIT_FAIL);
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return 0;
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}
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if (pthread_equal(pthread_self(), crypto_init_thread))
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return 1; /* don't recurse */
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if (pthread_once(&crypto_init_once, OPENSSL_init_crypto_internal) != 0)
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return 0;
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if ((opts & OPENSSL_INIT_NO_LOAD_CONFIG) &&
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(OpenSSL_no_config() == 0))
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return 0;
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if ((opts & OPENSSL_INIT_LOAD_CONFIG) &&
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(OpenSSL_config(NULL) == 0))
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return 0;
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return 1;
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}
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LCRYPTO_ALIAS(OPENSSL_init_crypto);
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void
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OPENSSL_cleanup(void)
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{
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/* This currently calls init... */
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ERR_free_strings();
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CRYPTO_cleanup_all_ex_data();
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EVP_cleanup();
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X509_VERIFY_PARAM_table_cleanup();
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x509_issuer_cache_free();
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crypto_init_cleaned_up = 1;
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}
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LCRYPTO_ALIAS(OPENSSL_cleanup);
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void
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OpenSSL_add_all_ciphers(void)
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{
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}
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LCRYPTO_ALIAS(OpenSSL_add_all_ciphers);
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void
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OpenSSL_add_all_digests(void)
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{
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}
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LCRYPTO_ALIAS(OpenSSL_add_all_digests);
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void
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OPENSSL_add_all_algorithms_noconf(void)
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{
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}
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LCRYPTO_ALIAS(OPENSSL_add_all_algorithms_noconf);
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void
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OPENSSL_add_all_algorithms_conf(void)
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{
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OPENSSL_config(NULL);
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}
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LCRYPTO_ALIAS(OPENSSL_add_all_algorithms_conf);
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