Added OpenSSL3.x support based on the work on @Meltie2013 and @i-am-fyre

CMakeLists.txt

@@ -17,7 +17,7 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
-cmake_minimum_required(VERSION 3.12 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.18 FATAL_ERROR)
 
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
 
@@ -109,6 +109,8 @@ find_package(DL      REQUIRED)
 find_package(ZLIB  QUIET)
 find_package(BZip2 QUIET)
 
+#static linkage for openssl libs
+set(OPENSSL_USE_STATIC_LIBS ON)
 find_package(OpenSSL REQUIRED)
 
 include(${CMAKE_SOURCE_DIR}/cmake/GenRevision.cmake)

src/mangosd/CMakeLists.txt

@@ -77,6 +77,10 @@ target_link_libraries(mangosd
         $<$<BOOL:${SOAP}>:gsoap>
         Threads::Threads
         ${OPENSSL_LIBRARIES}
+#if (defined(OPENSSL_VERSION_MAJOR) && OPENSSL_VERSION_MAJOR >= 3)
+        OpenSSL::Crypto
+#endif()
+
 )
 
 install(

src/mangosd/mangosd.cpp

@@ -28,6 +28,9 @@
 
 #include <openssl/opensslv.h>
 #include <openssl/crypto.h>
+#if defined(OPENSSL_VERSION_MAJOR) && (OPENSSL_VERSION_MAJOR >= 3)
+#  include <openssl/provider.h>
+#endif
 #include <ace/Version.h>
 #include <ace/Get_Opt.h>
 
@@ -391,11 +394,38 @@ int main(int argc, char** argv)
     sLog.outString("Using configuration file %s.", cfg_file);
 
     DETAIL_LOG("Using SSL version: %s (Library: %s)", OPENSSL_VERSION_TEXT, SSLeay_version(SSLEAY_VERSION));
+
+#if defined(OPENSSL_VERSION_MAJOR) && (OPENSSL_VERSION_MAJOR >= 3)
+    OSSL_PROVIDER* legacy;
+    OSSL_PROVIDER* deflt;
+
+    /* Load Multiple providers into the default (NULL) library context */
+    legacy = OSSL_PROVIDER_load(NULL, "legacy");
+    if (legacy == NULL) {
+        sLog.outError("Failed to load OpenSSL 3.x Legacy provider\n");
+#ifdef WIN32
+        sLog.outError("\nPlease check you have set the following Enviroment Varible:\n");
+        sLog.outError("OPENSSL_MODULES=C:\\OpenSSL-Win64\\bin\n");
+        sLog.outError("(where C:\\OpenSSL-Win64\\bin is the location you installed OpenSSL\n");
+#endif
+        Log::WaitBeforeContinueIfNeed();
+        return 0;
+    }
+    deflt = OSSL_PROVIDER_load(NULL, "default");
+    if (deflt == NULL) {
+        sLog.outError("Failed to load OpenSSL 3.x Default provider\n");
+        OSSL_PROVIDER_unload(legacy);
+        Log::WaitBeforeContinueIfNeed();
+        return 0;
+    }
+#else
     if (SSLeay() < 0x10100000L || SSLeay() > 0x10200000L)
     {
         DETAIL_LOG("WARNING: OpenSSL version may be out of date or unsupported. Logins to server may not work!");
         DETAIL_LOG("WARNING: Minimal required version [OpenSSL 1.1.x] and Maximum supported version [OpenSSL 1.2]");
     }
+#endif
+
 
     DETAIL_LOG("Using ACE: %s", ACE_VERSION);
 

src/shared/Auth/ARC4.cpp

@@ -24,16 +24,27 @@
  */
 
 #include "ARC4.h"
+#if defined(OPENSSL_VERSION_MAJOR) && (OPENSSL_VERSION_MAJOR >= 3)
+#include <openssl/provider.h>
+#endif
 
 ARC4::ARC4(uint8 len) : m_ctx()
 {
+#if defined(OPENSSL_VERSION_MAJOR) && (OPENSSL_VERSION_MAJOR >= 3)
+    OSSL_PROVIDER_load(NULL, "legacy");
+#endif
+
     m_ctx = EVP_CIPHER_CTX_new();
     EVP_EncryptInit_ex(m_ctx, EVP_rc4(), NULL, NULL, NULL);
     EVP_CIPHER_CTX_set_key_length(m_ctx, len);
 }
 
 ARC4::ARC4(uint8 *seed, uint8 len) : m_ctx()
 {
+#if defined(OPENSSL_VERSION_MAJOR) && (OPENSSL_VERSION_MAJOR >= 3)
+    OSSL_PROVIDER_load(NULL, "legacy");
+#endif
+
     m_ctx = EVP_CIPHER_CTX_new();
     EVP_EncryptInit_ex(m_ctx, EVP_rc4(), NULL, NULL, NULL);
     EVP_CIPHER_CTX_set_key_length(m_ctx, len);

src/shared/Auth/Sha1.h

@@ -28,6 +28,9 @@
 #include "Common/Common.h"
 #include <openssl/sha.h>
 #include <openssl/crypto.h>
+#if defined(OPENSSL_VERSION_MAJOR) && (OPENSSL_VERSION_MAJOR >= 3)
+#  include <openssl/provider.h>
+#endif
 
 class BigNumber;
 

src/shared/CMakeLists.txt

@@ -236,4 +236,8 @@ target_link_libraries(shared
         MySQL::MySQL
         DL::DL
         ${OPENSSL_LIBRARIES}
+#if (defined(OPENSSL_VERSION_MAJOR) && OPENSSL_VERSION_MAJOR >= 3)
+        OpenSSL::Crypto
+#endif()
+
 )