Local snapshot for Docker build (includes mod-ale)

Co-authored-by: Cursor <cursoragent@cursor.com>

src/common/Cryptography/OpenSSLCrypto.cpp

@@ -0,0 +1,55 @@
+/*
+ * This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "OpenSSLCrypto.h"
+#include <openssl/crypto.h> // NOTE: this import is NEEDED (even though some IDEs report it as unused)
+#include <openssl/provider.h>
+
+OSSL_PROVIDER* LegacyProvider;
+OSSL_PROVIDER* DefaultProvider;
+
+#if AC_PLATFORM == AC_PLATFORM_WINDOWS
+#include <boost/dll/runtime_symbol_info.hpp>
+#include <filesystem>
+
+void SetupLibrariesForWindows()
+{
+    namespace fs = std::filesystem;
+
+    fs::path programLocation{ boost::dll::program_location().remove_filename().string() };
+    fs::path libLegacy{ boost::dll::program_location().remove_filename().string() + "/legacy.dll" };
+
+    ASSERT(fs::exists(libLegacy), "Not found 'legacy.dll'. Please copy library 'legacy.dll' from OpenSSL default dir to '{}'", programLocation.generic_string());
+    OSSL_PROVIDER_set_default_search_path(nullptr, programLocation.generic_string().c_str());
+}
+#endif
+
+void OpenSSLCrypto::threadsSetup()
+{
+#if AC_PLATFORM == AC_PLATFORM_WINDOWS
+    SetupLibrariesForWindows();
+#endif
+    LegacyProvider = OSSL_PROVIDER_load(nullptr, "legacy");
+    DefaultProvider = OSSL_PROVIDER_load(nullptr, "default");
+}
+
+void OpenSSLCrypto::threadsCleanup()
+{
+    OSSL_PROVIDER_unload(LegacyProvider);
+    OSSL_PROVIDER_unload(DefaultProvider);
+    OSSL_PROVIDER_set_default_search_path(nullptr, nullptr);
+}