62 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
			
		
		
	
	
			62 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
{ config, lib, pkgs, ... }:
 | 
						|
 | 
						|
with lib;
 | 
						|
let cfg = config.nix.sshServe;
 | 
						|
    command =
 | 
						|
      if cfg.protocol == "ssh"
 | 
						|
        then "nix-store --serve"
 | 
						|
      else "nix-daemon --stdio";
 | 
						|
in {
 | 
						|
  options = {
 | 
						|
 | 
						|
    nix.sshServe = {
 | 
						|
 | 
						|
      enable = mkOption {
 | 
						|
        type = types.bool;
 | 
						|
        default = false;
 | 
						|
        description = "Whether to enable serving the Nix store as a remote store via SSH.";
 | 
						|
      };
 | 
						|
 | 
						|
      keys = mkOption {
 | 
						|
        type = types.listOf types.str;
 | 
						|
        default = [];
 | 
						|
        example = [ "ssh-dss AAAAB3NzaC1k... alice@example.org" ];
 | 
						|
        description = "A list of SSH public keys allowed to access the binary cache via SSH.";
 | 
						|
      };
 | 
						|
 | 
						|
      protocol = mkOption {
 | 
						|
        type = types.enum [ "ssh" "ssh-ng" ];
 | 
						|
        default = "ssh";
 | 
						|
        description = "The specific Nix-over-SSH protocol to use.";
 | 
						|
      };
 | 
						|
 | 
						|
    };
 | 
						|
 | 
						|
  };
 | 
						|
 | 
						|
  config = mkIf cfg.enable {
 | 
						|
 | 
						|
    users.extraUsers.nix-ssh = {
 | 
						|
      description = "Nix SSH store user";
 | 
						|
      uid = config.ids.uids.nix-ssh;
 | 
						|
      useDefaultShell = true;
 | 
						|
    };
 | 
						|
 | 
						|
    services.openssh.enable = true;
 | 
						|
 | 
						|
    services.openssh.extraConfig = ''
 | 
						|
      Match User nix-ssh
 | 
						|
        AllowAgentForwarding no
 | 
						|
        AllowTcpForwarding no
 | 
						|
        PermitTTY no
 | 
						|
        PermitTunnel no
 | 
						|
        X11Forwarding no
 | 
						|
        ForceCommand ${config.nix.package.out}/bin/${command}
 | 
						|
      Match All
 | 
						|
    '';
 | 
						|
 | 
						|
    users.extraUsers.nix-ssh.openssh.authorizedKeys.keys = cfg.keys;
 | 
						|
 | 
						|
  };
 | 
						|
}
 |