Update Files

Kinc/Sources/kinc/libs/tls/openssl/openssl-tls.c

@@ -0,0 +1,176 @@
+/*
+ * libwebsockets - small server side websockets and web server implementation
+ *
+ * Copyright (C) 2010 - 2021 Andy Green <andy@warmcat.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "private-lib-core.h"
+#include "private-lib-tls-openssl.h"
+
+extern int openssl_websocket_private_data_index,
+	   openssl_SSL_CTX_private_data_index;
+#if defined(LWS_WITH_NETWORK)
+static char openssl_ex_indexes_acquired;
+#endif
+
+void
+lws_tls_err_describe_clear(void)
+{
+	char buf[160];
+	unsigned long l;
+
+	do {
+		l = ERR_get_error();
+		if (!l)
+			break;
+
+		ERR_error_string_n(
+#if defined(LWS_WITH_BORINGSSL)
+				(uint32_t)
+#endif
+				l, buf, sizeof(buf));
+		lwsl_info("   openssl error: %s\n", buf);
+	} while (l);
+	lwsl_info("\n");
+}
+
+#if LWS_MAX_SMP != 1
+
+static pthread_mutex_t *openssl_mutexes = NULL;
+
+static void
+lws_openssl_lock_callback(int mode, int type, const char *file, int line)
+{
+	(void)file;
+	(void)line;
+
+	if (mode & CRYPTO_LOCK)
+		pthread_mutex_lock(&openssl_mutexes[type]);
+	else
+		pthread_mutex_unlock(&openssl_mutexes[type]);
+}
+
+static unsigned long
+lws_openssl_thread_id(void)
+{
+#ifdef __PTW32_H
+	return (unsigned long)(intptr_t)(pthread_self()).p;
+#else
+	return (unsigned long)pthread_self();
+#endif
+}
+#endif
+
+int
+lws_context_init_ssl_library(struct lws_context *cx,
+                             const struct lws_context_creation_info *info)
+{
+#ifdef USE_WOLFSSL
+#ifdef USE_OLD_CYASSL
+	lwsl_cx_info(cx, " Compiled with CyaSSL support");
+#else
+	lwsl_cx_info(cx, " Compiled with wolfSSL support");
+#endif
+#else
+#if defined(LWS_WITH_BORINGSSL)
+	lwsl_cx_info(cx, " Compiled with BoringSSL support");
+#else
+	lwsl_cx_info(cx, " Compiled with OpenSSL support");
+#endif
+#endif
+	if (!lws_check_opt(info->options, LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT)) {
+		if (!info->provided_client_ssl_ctx)
+			lwsl_cx_info(cx, " SSL disabled: no "
+				"LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT");
+		return 0;
+	}
+
+	/* basic openssl init */
+
+	lwsl_cx_info(cx, "Doing SSL library init");
+
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
+	SSL_library_init();
+	OpenSSL_add_all_algorithms();
+	SSL_load_error_strings();
+#else
+	OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS, NULL);
+#endif
+#if defined(LWS_WITH_NETWORK)
+	if (!openssl_ex_indexes_acquired) {
+		openssl_websocket_private_data_index =
+			SSL_get_ex_new_index(0, "lws", NULL, NULL, NULL);
+
+		openssl_SSL_CTX_private_data_index =
+			SSL_CTX_get_ex_new_index(0, NULL, NULL, NULL, NULL);
+
+		openssl_ex_indexes_acquired = 1;
+	}
+#endif
+
+#if LWS_MAX_SMP != 1
+	{
+		int n;
+
+		openssl_mutexes = (pthread_mutex_t *)
+				OPENSSL_malloc((size_t)((unsigned long)CRYPTO_num_locks() *
+					       (unsigned long)sizeof(openssl_mutexes[0])));
+
+		for (n = 0; n < CRYPTO_num_locks(); n++)
+			pthread_mutex_init(&openssl_mutexes[n], NULL);
+
+		/*
+		 * These "functions" disappeared in later OpenSSL which is
+		 * already threadsafe.
+		 */
+
+		(void)lws_openssl_thread_id;
+		(void)lws_openssl_lock_callback;
+
+		CRYPTO_set_id_callback(lws_openssl_thread_id);
+		CRYPTO_set_locking_callback(lws_openssl_lock_callback);
+	}
+#endif
+
+	return 0;
+}
+
+void
+lws_context_deinit_ssl_library(struct lws_context *context)
+{
+#if LWS_MAX_SMP != 1
+	int n;
+
+	if (!lws_check_opt(context->options,
+			   LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT))
+		return;
+
+	CRYPTO_set_locking_callback(NULL);
+
+	if (openssl_mutexes) {
+		for (n = 0; n < CRYPTO_num_locks(); n++)
+			pthread_mutex_destroy(&openssl_mutexes[n]);
+
+		OPENSSL_free(openssl_mutexes);
+		openssl_mutexes = NULL;
+	}
+#endif
+}