1*b761d24cSjsing /* $OpenBSD: crypto_init.c,v 1.22 2024/10/17 14:27:57 jsing Exp $ */ 2e68eaf89Sbeck /* 3e68eaf89Sbeck * Copyright (c) 2018 Bob Beck <beck@openbsd.org> 4e68eaf89Sbeck * 5e68eaf89Sbeck * Permission to use, copy, modify, and distribute this software for any 6e68eaf89Sbeck * purpose with or without fee is hereby granted, provided that the above 7e68eaf89Sbeck * copyright notice and this permission notice appear in all copies. 8e68eaf89Sbeck * 9e68eaf89Sbeck * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10e68eaf89Sbeck * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11e68eaf89Sbeck * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12e68eaf89Sbeck * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13e68eaf89Sbeck * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14e68eaf89Sbeck * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15e68eaf89Sbeck * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16e68eaf89Sbeck */ 17e68eaf89Sbeck 18e68eaf89Sbeck /* OpenSSL style init */ 19e68eaf89Sbeck 20e68eaf89Sbeck #include <pthread.h> 21e68eaf89Sbeck #include <stdio.h> 22e68eaf89Sbeck 2368270c64Stb #include <openssl/asn1.h> 24e68eaf89Sbeck #include <openssl/conf.h> 25e68eaf89Sbeck #include <openssl/err.h> 267a1f0687Sjsing #include <openssl/evp.h> 277a1f0687Sjsing #include <openssl/objects.h> 2868270c64Stb #include <openssl/x509v3.h> 29512ef2b0Sjsing 30*b761d24cSjsing #include "crypto_internal.h" 317a1f0687Sjsing #include "x509_issuer_cache.h" 32e68eaf89Sbeck 3364e6c0c8Sbeck int OpenSSL_config(const char *); 3464e6c0c8Sbeck int OpenSSL_no_config(void); 352c91f55fSbeck 367a1f0687Sjsing static pthread_once_t crypto_init_once = PTHREAD_ONCE_INIT; 37e68eaf89Sbeck static pthread_t crypto_init_thread; 387a1f0687Sjsing static int crypto_init_cleaned_up; 39e68eaf89Sbeck 4090aaecc0Stb void 4190aaecc0Stb OPENSSL_init(void) 4290aaecc0Stb { 4390aaecc0Stb } 4403e44f6bSbeck LCRYPTO_ALIAS(OPENSSL_init); 4590aaecc0Stb 46e68eaf89Sbeck static void 47e68eaf89Sbeck OPENSSL_init_crypto_internal(void) 48e68eaf89Sbeck { 49e68eaf89Sbeck crypto_init_thread = pthread_self(); 50512ef2b0Sjsing 51*b761d24cSjsing crypto_cpu_caps_init(); 52*b761d24cSjsing 53e68eaf89Sbeck ERR_load_crypto_strings(); 54e68eaf89Sbeck } 55e68eaf89Sbeck 56e68eaf89Sbeck int 57e68eaf89Sbeck OPENSSL_init_crypto(uint64_t opts, const void *settings) 58e68eaf89Sbeck { 597a1f0687Sjsing if (crypto_init_cleaned_up) { 607a1f0687Sjsing CRYPTOerror(ERR_R_INIT_FAIL); 617a1f0687Sjsing return 0; 627a1f0687Sjsing } 63e68eaf89Sbeck 64e68eaf89Sbeck if (pthread_equal(pthread_self(), crypto_init_thread)) 65e68eaf89Sbeck return 1; /* don't recurse */ 66e68eaf89Sbeck 677a1f0687Sjsing if (pthread_once(&crypto_init_once, OPENSSL_init_crypto_internal) != 0) 68e68eaf89Sbeck return 0; 69e68eaf89Sbeck 702c91f55fSbeck if ((opts & OPENSSL_INIT_NO_LOAD_CONFIG) && 7164e6c0c8Sbeck (OpenSSL_no_config() == 0)) 722c91f55fSbeck return 0; 732c91f55fSbeck 742c91f55fSbeck if ((opts & OPENSSL_INIT_LOAD_CONFIG) && 752c91f55fSbeck (OpenSSL_config(NULL) == 0)) 762c91f55fSbeck return 0; 772c91f55fSbeck 78e68eaf89Sbeck return 1; 79e68eaf89Sbeck } 802117f69dSbeck LCRYPTO_ALIAS(OPENSSL_init_crypto); 817a1f0687Sjsing 827a1f0687Sjsing void 837a1f0687Sjsing OPENSSL_cleanup(void) 847a1f0687Sjsing { 857a1f0687Sjsing /* This currently calls init... */ 867a1f0687Sjsing ERR_free_strings(); 877a1f0687Sjsing 883e826b62Sjsing CRYPTO_cleanup_all_ex_data(); 897a1f0687Sjsing EVP_cleanup(); 9068270c64Stb 9168270c64Stb X509_VERIFY_PARAM_table_cleanup(); 9268270c64Stb 937a1f0687Sjsing x509_issuer_cache_free(); 947a1f0687Sjsing 957a1f0687Sjsing crypto_init_cleaned_up = 1; 967a1f0687Sjsing } 972117f69dSbeck LCRYPTO_ALIAS(OPENSSL_cleanup); 987dcd30d8Stb 997dcd30d8Stb void 1007dcd30d8Stb OpenSSL_add_all_ciphers(void) 1017dcd30d8Stb { 1027dcd30d8Stb } 1039bac3682Sbeck LCRYPTO_ALIAS(OpenSSL_add_all_ciphers); 1047dcd30d8Stb 1057dcd30d8Stb void 1067dcd30d8Stb OpenSSL_add_all_digests(void) 1077dcd30d8Stb { 1087dcd30d8Stb } 1099bac3682Sbeck LCRYPTO_ALIAS(OpenSSL_add_all_digests); 1107dcd30d8Stb 1117dcd30d8Stb void 1127dcd30d8Stb OPENSSL_add_all_algorithms_noconf(void) 1137dcd30d8Stb { 1147dcd30d8Stb } 1159bac3682Sbeck LCRYPTO_ALIAS(OPENSSL_add_all_algorithms_noconf); 1167dcd30d8Stb 1177dcd30d8Stb void 1187dcd30d8Stb OPENSSL_add_all_algorithms_conf(void) 1197dcd30d8Stb { 1207dcd30d8Stb OPENSSL_config(NULL); 1217dcd30d8Stb } 1229bac3682Sbeck LCRYPTO_ALIAS(OPENSSL_add_all_algorithms_conf); 123