test/jdk/sun/security/provider/PolicyFile/SelfWildcard.policy

grant principal javax.security.auth.x500.X500Principal "CN=foo" {
  permission OnePermission "${{self}}";
};

grant principal javax.security.auth.x500.X500Principal "CN=foo",
    principal javax.security.auth.x500.X500Principal "CN=bar" {
  permission TwoPermission "${{self}}";
};

grant principal javax.security.auth.x500.X500Principal * {
  permission ThreePermission "${{self}}";
};

grant principal * * {
  permission FourPermission "${{self}}";
};

grant principal javax.security.auth.x500.X500Principal *,
    principal com.sun.security.auth.UnixPrincipal "foobar" {
  permission FivePermission "${{self}}";
};