File harden_veyon.service.patch of Package veyon

Index: veyon-4.7.0/service/veyon.service.in
===================================================================
--- veyon-4.7.0.orig/service/veyon.service.in
+++ veyon-4.7.0/service/veyon.service.in
@@ -6,6 +6,17 @@ Requires=dbus.service systemd-logind.ser
 Documentation=man:veyon-service(1)
 
 [Service]
+# added automatically, for details please see
+# https://en.opensuse.org/openSUSE:Security_Features#Systemd_hardening_effort
+ProtectSystem=full
+ProtectHome=true
+ProtectHostname=true
+ProtectKernelTunables=true
+ProtectKernelModules=true
+ProtectKernelLogs=true
+ProtectControlGroups=true
+RestrictRealtime=true
+# end of automatic additions 
 ExecStart=@CMAKE_INSTALL_PREFIX@/bin/veyon-service
 Type=simple
 Restart=always