PERM_INSECURE
cp(changedir(_PATH_MP_DB, basedir), buf, PERM_INSECURE);
dp = dbopen(buf, O_RDWR, PERM_INSECURE, DB_HASH,
dp = dbopen(buf, O_RDWR|O_CREAT|O_EXCL, PERM_INSECURE,
O_WRONLY|O_CREAT|O_EXCL, PERM_INSECURE)) == -1)