1218885Sdim/* $OpenBSD: ssl_init.c,v 1.6 2023/11/22 15:53:53 tb Exp $ */ 2218885Sdim/* 3218885Sdim * Copyright (c) 2018 Bob Beck <beck@openbsd.org> 4218885Sdim * 5218885Sdim * Permission to use, copy, modify, and distribute this software for any 6218885Sdim * purpose with or without fee is hereby granted, provided that the above 7218885Sdim * copyright notice and this permission notice appear in all copies. 8218885Sdim * 9218885Sdim * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10218885Sdim * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11218885Sdim * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12218885Sdim * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13218885Sdim * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14218885Sdim * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15218885Sdim * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16218885Sdim */ 17218885Sdim 18218885Sdim/* OpenSSL style init */ 19218885Sdim 20218885Sdim#include <pthread.h> 21218885Sdim#include <stdio.h> 22218885Sdim 23218885Sdim#include <openssl/objects.h> 24218885Sdim 25218885Sdim#include "ssl_local.h" 26218885Sdim 27218885Sdimstatic pthread_t ssl_init_thread; 28218885Sdim 29218885Sdimint 30218885SdimSSL_library_init(void) 31218885Sdim{ 32218885Sdim return OPENSSL_init_ssl(0, NULL); 33218885Sdim} 34219077SdimLSSL_ALIAS(SSL_library_init); 35219077Sdim 36219077Sdimstatic void 37219077SdimOPENSSL_init_ssl_internal(void) 38219077Sdim{ 39218885Sdim ssl_init_thread = pthread_self(); 40218885Sdim SSL_load_error_strings(); 41218885Sdim} 42218885Sdim 43218885Sdimint 44218885SdimOPENSSL_init_ssl(uint64_t opts, const void *settings) 45218885Sdim{ 46239462Sdim static pthread_once_t once = PTHREAD_ONCE_INIT; 47218885Sdim 48218885Sdim if (pthread_equal(pthread_self(), ssl_init_thread)) 49239462Sdim return 1; /* don't recurse */ 50218885Sdim 51249423Sdim OPENSSL_init_crypto(opts, settings); 52218885Sdim 53249423Sdim if (pthread_once(&once, OPENSSL_init_ssl_internal) != 0) 54249423Sdim return 0; 55249423Sdim 56249423Sdim return 1; 57239462Sdim} 58239462SdimLSSL_ALIAS(OPENSSL_init_ssl); 59218885Sdim