engine: client: make unprefixed important userinfo cvars filterable, so servers won't be able to change them, for security

engine/client/cl_main.c

@@ -82,10 +82,10 @@ CVAR_DEFINE_AUTO( ui_renderworld, "0", FCVAR_ARCHIVE, "render world when UI is v
 //
 // userinfo
 //
-static CVAR_DEFINE_AUTO( name, "player", FCVAR_USERINFO|FCVAR_ARCHIVE|FCVAR_PRINTABLEONLY, "player name" );
-static CVAR_DEFINE_AUTO( model, "", FCVAR_USERINFO|FCVAR_ARCHIVE, "player model ('player' is a singleplayer model)" );
-static CVAR_DEFINE_AUTO( topcolor, "0", FCVAR_USERINFO|FCVAR_ARCHIVE, "player top color" );
-static CVAR_DEFINE_AUTO( bottomcolor, "0", FCVAR_USERINFO|FCVAR_ARCHIVE, "player bottom color" );
+static CVAR_DEFINE_AUTO( name, "player", FCVAR_USERINFO|FCVAR_ARCHIVE|FCVAR_PRINTABLEONLY|FCVAR_FILTERABLE, "player name" );
+static CVAR_DEFINE_AUTO( model, "", FCVAR_USERINFO|FCVAR_ARCHIVE|FCVAR_FILTERABLE, "player model ('player' is a singleplayer model)" );
+static CVAR_DEFINE_AUTO( topcolor, "0", FCVAR_USERINFO|FCVAR_ARCHIVE|FCVAR_FILTERABLE, "player top color" );
+static CVAR_DEFINE_AUTO( bottomcolor, "0", FCVAR_USERINFO|FCVAR_ARCHIVE|FCVAR_FILTERABLE, "player bottom color" );
 CVAR_DEFINE_AUTO( rate, "3500", FCVAR_USERINFO|FCVAR_ARCHIVE|FCVAR_FILTERABLE, "player network rate" );
 
 client_t		cl;