How can I adapt the kernel module to get the "character version for the module_layout"?

Suppose I have a Linux kernel working with root permissions. There are also some existing modules for this kernel. I want to be able to create my own kernel modules for it, but there are problems:

• There is no exact kernel source code (although there is an approximate one);
• There are no exact ones .configavailable (although there is an example);
• • No /proc/config.gz;
• • scripts/extract-ikconfig does not work;
• extract-symvers.py does not work;
• Forced loading of the module is not performed.