--- /dev/null
+/*
+ * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include "e_os.h"
+
+#include "internal/err.h"
+#include <openssl/crypto.h>
+#include <openssl/evp.h>
+#include <assert.h>
+#include "ssl_locl.h"
+#include "internal/thread_once.h"
+
+static int stopped;
+
+static void ssl_library_stop(void);
+
+static CRYPTO_ONCE ssl_base = CRYPTO_ONCE_STATIC_INIT;
+static int ssl_base_inited = 0;
+DEFINE_RUN_ONCE_STATIC(ossl_init_ssl_base)
+{
+#ifdef OPENSSL_INIT_DEBUG
+ fprintf(stderr, "OPENSSL_INIT: ossl_init_ssl_base: "
+ "Adding SSL ciphers and digests\n");
+#endif
+#ifndef OPENSSL_NO_DES
+ EVP_add_cipher(EVP_des_cbc());
+ EVP_add_cipher(EVP_des_ede3_cbc());
+#endif
+#ifndef OPENSSL_NO_IDEA
+ EVP_add_cipher(EVP_idea_cbc());
+#endif
+#ifndef OPENSSL_NO_RC4
+ EVP_add_cipher(EVP_rc4());
+# ifndef OPENSSL_NO_MD5
+ EVP_add_cipher(EVP_rc4_hmac_md5());
+# endif
+#endif
+#ifndef OPENSSL_NO_RC2
+ EVP_add_cipher(EVP_rc2_cbc());
+ /*
+ * Not actually used for SSL/TLS but this makes PKCS#12 work if an
+ * application only calls SSL_library_init().
+ */
+ EVP_add_cipher(EVP_rc2_40_cbc());
+#endif
+ EVP_add_cipher(EVP_aes_128_cbc());
+ EVP_add_cipher(EVP_aes_192_cbc());
+ EVP_add_cipher(EVP_aes_256_cbc());
+ EVP_add_cipher(EVP_aes_128_gcm());
+ EVP_add_cipher(EVP_aes_256_gcm());
+ EVP_add_cipher(EVP_aes_128_ccm());
+ EVP_add_cipher(EVP_aes_256_ccm());
+ EVP_add_cipher(EVP_aes_128_cbc_hmac_sha1());
+ EVP_add_cipher(EVP_aes_256_cbc_hmac_sha1());
+ EVP_add_cipher(EVP_aes_128_cbc_hmac_sha256());
+ EVP_add_cipher(EVP_aes_256_cbc_hmac_sha256());
+#ifndef OPENSSL_NO_CAMELLIA
+ EVP_add_cipher(EVP_camellia_128_cbc());
+ EVP_add_cipher(EVP_camellia_256_cbc());
+#endif
+#if !defined(OPENSSL_NO_CHACHA) && !defined(OPENSSL_NO_POLY1305)
+ EVP_add_cipher(EVP_chacha20_poly1305());
+#endif
+
+#ifndef OPENSSL_NO_SEED
+ EVP_add_cipher(EVP_seed_cbc());
+#endif
+
+#ifndef OPENSSL_NO_MD5
+ EVP_add_digest(EVP_md5());
+ EVP_add_digest_alias(SN_md5, "ssl3-md5");
+ EVP_add_digest(EVP_md5_sha1());
+#endif
+ EVP_add_digest(EVP_sha1()); /* RSA with sha1 */
+ EVP_add_digest_alias(SN_sha1, "ssl3-sha1");
+ EVP_add_digest_alias(SN_sha1WithRSAEncryption, SN_sha1WithRSA);
+ EVP_add_digest(EVP_sha224());
+ EVP_add_digest(EVP_sha256());
+ EVP_add_digest(EVP_sha384());
+ EVP_add_digest(EVP_sha512());
+#ifndef OPENSSL_NO_COMP
+# ifdef OPENSSL_INIT_DEBUG
+ fprintf(stderr, "OPENSSL_INIT: ossl_init_ssl_base: "
+ "SSL_COMP_get_compression_methods()\n");
+# endif
+ /*
+ * This will initialise the built-in compression algorithms. The value
+ * returned is a STACK_OF(SSL_COMP), but that can be discarded safely
+ */
+ SSL_COMP_get_compression_methods();
+#endif
+ /* initialize cipher/digest methods table */
+ ssl_load_ciphers();
+
+#ifdef OPENSSL_INIT_DEBUG
+ fprintf(stderr, "OPENSSL_INIT: ossl_init_ssl_base: "
+ "SSL_add_ssl_module()\n");
+#endif
+ SSL_add_ssl_module();
+ /*
+ * We ignore an error return here. Not much we can do - but not that bad
+ * either. We can still safely continue.
+ */
+ OPENSSL_atexit(ssl_library_stop);
+ ssl_base_inited = 1;
+ return 1;
+}
+
+static CRYPTO_ONCE ssl_strings = CRYPTO_ONCE_STATIC_INIT;
+static int ssl_strings_inited = 0;
+DEFINE_RUN_ONCE_STATIC(ossl_init_load_ssl_strings)
+{
+ /*
+ * OPENSSL_NO_AUTOERRINIT is provided here to prevent at compile time
+ * pulling in all the error strings during static linking
+ */
+#if !defined(OPENSSL_NO_ERR) && !defined(OPENSSL_NO_AUTOERRINIT)
+# ifdef OPENSSL_INIT_DEBUG
+ fprintf(stderr, "OPENSSL_INIT: ossl_init_load_ssl_strings: "
+ "ERR_load_SSL_strings()\n");
+# endif
+ ERR_load_SSL_strings();
+#endif
+ ssl_strings_inited = 1;
+ return 1;
+}
+
+DEFINE_RUN_ONCE_STATIC(ossl_init_no_load_ssl_strings)
+{
+ /* Do nothing in this case */
+ return 1;
+}
+
+static void ssl_library_stop(void)
+{
+ /* Might be explicitly called and also by atexit */
+ if (stopped)
+ return;
+ stopped = 1;
+
+ if (ssl_base_inited) {
+#ifndef OPENSSL_NO_COMP
+# ifdef OPENSSL_INIT_DEBUG
+ fprintf(stderr, "OPENSSL_INIT: ssl_library_stop: "
+ "ssl_comp_free_compression_methods_int()\n");
+# endif
+ ssl_comp_free_compression_methods_int();
+#endif
+ }
+
+ if (ssl_strings_inited) {
+#ifdef OPENSSL_INIT_DEBUG
+ fprintf(stderr, "OPENSSL_INIT: ssl_library_stop: "
+ "err_free_strings_int()\n");
+#endif
+ /*
+ * If both crypto and ssl error strings are inited we will end up
+ * calling err_free_strings_int() twice - but that's ok. The second
+ * time will be a no-op. It's easier to do that than to try and track
+ * between the two libraries whether they have both been inited.
+ */
+ err_free_strings_int();
+ }
+}
+
+/*
+ * If this function is called with a non NULL settings value then it must be
+ * called prior to any threads making calls to any OpenSSL functions,
+ * i.e. passing a non-null settings value is assumed to be single-threaded.
+ */
+int OPENSSL_init_ssl(uint64_t opts, const OPENSSL_INIT_SETTINGS * settings)
+{
+ static int stoperrset = 0;
+
+ if (stopped) {
+ if (!stoperrset) {
+ /*
+ * We only ever set this once to avoid getting into an infinite
+ * loop where the error system keeps trying to init and fails so
+ * sets an error etc
+ */
+ stoperrset = 1;
+ SSLerr(SSL_F_OPENSSL_INIT_SSL, ERR_R_INIT_FAIL);
+ }
+ return 0;
+ }
+
+ if (!OPENSSL_init_crypto(opts | OPENSSL_INIT_ADD_ALL_CIPHERS
+ | OPENSSL_INIT_ADD_ALL_DIGESTS, settings))
+ return 0;
+
+ if (!RUN_ONCE(&ssl_base, ossl_init_ssl_base))
+ return 0;
+
+ if ((opts & OPENSSL_INIT_NO_LOAD_SSL_STRINGS)
+ && !RUN_ONCE(&ssl_strings, ossl_init_no_load_ssl_strings))
+ return 0;
+
+ if ((opts & OPENSSL_INIT_LOAD_SSL_STRINGS)
+ && !RUN_ONCE(&ssl_strings, ossl_init_load_ssl_strings))
+ return 0;
+
+ return 1;
+}
projects / cassiopeia.git / blobdiff