Core/Crypto: Fixed loading legacy openssl provider for RC4 on windows

src/server/authserver/Main.cpp

@@ -34,12 +34,14 @@
 #include "IPLocation.h"
 #include "GitRevision.h"
 #include "MySQLThreading.h"
+#include "OpenSSLCrypto.h"
 #include "ProcessPriority.h"
 #include "RealmList.h"
 #include "SecretMgr.h"
 #include "SharedDefines.h"
 #include "Util.h"
 #include <boost/asio/signal_set.hpp>
+#include <boost/dll/runtime_symbol_info.hpp>
 #include <boost/program_options.hpp>
 #include <boost/filesystem/operations.hpp>
 #include <openssl/crypto.h>
@@ -129,6 +131,10 @@ int main(int argc, char** argv)
     for (std::string const& key : overriddenKeys)
         TC_LOG_INFO("server.authserver", "Configuration field '%s' was overridden with environment variable.", key.c_str());
 
+    OpenSSLCrypto::threadsSetup(boost::dll::program_location().remove_filename());
+
+    std::shared_ptr<void> opensslHandle(nullptr, [](void*) { OpenSSLCrypto::threadsCleanup(); });
+
     // authserver PID file creation
     std::string pidFile = sConfigMgr->GetStringDefault("PidFile", "");
     if (!pidFile.empty())