66 lines
1.7 KiB
C
66 lines
1.7 KiB
C
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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/objects.h>
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#include <openssl/conf.h>
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#include <openssl/evp.h>
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#include <openssl/err.h>
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#include "cryptlib.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_t crypto_init_thread;
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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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OpenSSL_add_all_ciphers();
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OpenSSL_add_all_digests();
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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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static pthread_once_t once = PTHREAD_ONCE_INIT;
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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(&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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