openssl fixes for windows

.gitignore

@@ -52,3 +52,4 @@ compile_commands.json
 *creator.user*
 
 *_qmlcache.qrc
+build/

flotten-updater/CMakeLists.txt

@@ -22,13 +22,20 @@ add_executable(flotten-updater
     setarbitraryapikeydialog.ui
 )
 
+find_package(OpenSSL)
+if (OpenSSL_Found)
+    target_compile_definitions(flotten-updater HAS_OPENSSL)
+    target_link_libraries(flotten-updater PUBLIC
+        OpenSSL::SSL
+        OpenSSL::Crypto
+    )
+endif()
+
 target_link_libraries(flotten-updater PUBLIC
     Qt6::Core
     Qt6::Gui
     Qt6::Widgets
     Qt6::WebSockets
-    ssl
-    crypto
     goecommon
 )
 

flotten-updater/importcertificatedialog.cpp

@@ -7,11 +7,15 @@
 #include <QInputDialog>
 #include <QSslSocket>
 
+#ifdef HAS_OPENSSL
 #include <openssl/provider.h>
+#endif
 
+#ifdef HAS_OPENSSL
 namespace {
 OSSL_PROVIDER *legacy{};
 }
+#endif
 
 ImportCertificateDialog::ImportCertificateDialog(QWidget *parent) :
     QDialog{parent},
@@ -70,12 +74,14 @@ void ImportCertificateDialog::loadP12File()
     QSslCertificate cert;
     QList<QSslCertificate> certChain;
 
+#ifdef HAS_OPENSSL
     if (QSslSocket::activeBackend() == "openssl" && !legacy)
     {
         legacy = OSSL_PROVIDER_load(NULL, "legacy");
         if (!legacy)
             QMessageBox::warning(this, tr("Failed to load openssl legacy provider!"), tr("Failed to load openssl legacy provider!"));
     }
+#endif
 
     if (!QSslCertificate::importPkcs12(&file, &key, &cert, &certChain, password))
     {