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52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
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/* $OpenBSD: ssl_init.c,v 1.2 2018/03/30 14:59:46 jsing 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/objects.h>
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#include "ssl_locl.h"
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static pthread_t ssl_init_thread;
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static void
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OPENSSL_init_ssl_internal(void)
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{
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ssl_init_thread = pthread_self();
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SSL_load_error_strings();
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SSL_library_init();
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}
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int
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OPENSSL_init_ssl(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(), ssl_init_thread))
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return 1; /* don't recurse */
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OPENSSL_init_crypto(opts, settings);
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if (pthread_once(&once, OPENSSL_init_ssl_internal) != 0)
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return 0;
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return 1;
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}
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