mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-12-30 17:43:42 +00:00
104 lines
2.5 KiB
Nix
104 lines
2.5 KiB
Nix
{ config, lib, pkgs, ... }:
|
||
|
||
with lib;
|
||
|
||
let
|
||
|
||
cfg = config.security.sudo;
|
||
|
||
inherit (pkgs) sudo;
|
||
|
||
in
|
||
|
||
{
|
||
|
||
###### interface
|
||
|
||
options = {
|
||
|
||
security.sudo.enable = mkOption {
|
||
type = types.bool;
|
||
default = true;
|
||
description =
|
||
''
|
||
Whether to enable the <command>sudo</command> command, which
|
||
allows non-root users to execute commands as root.
|
||
'';
|
||
};
|
||
|
||
security.sudo.wheelNeedsPassword = mkOption {
|
||
type = types.bool;
|
||
default = true;
|
||
description =
|
||
''
|
||
Whether users of the <code>wheel</code> group can execute
|
||
commands as super user without entering a password.
|
||
'';
|
||
};
|
||
|
||
security.sudo.configFile = mkOption {
|
||
type = types.lines;
|
||
# Note: if syntax errors are detected in this file, the NixOS
|
||
# configuration will fail to build.
|
||
description =
|
||
''
|
||
This string contains the contents of the
|
||
<filename>sudoers</filename> file.
|
||
'';
|
||
};
|
||
|
||
security.sudo.extraConfig = mkOption {
|
||
type = types.lines;
|
||
default = "";
|
||
description = ''
|
||
Extra configuration text appended to <filename>sudoers</filename>.
|
||
'';
|
||
};
|
||
};
|
||
|
||
|
||
###### implementation
|
||
|
||
config = mkIf cfg.enable {
|
||
|
||
security.sudo.configFile =
|
||
''
|
||
# Don't edit this file. Set the NixOS options ‘security.sudo.configFile’
|
||
# or ‘security.sudo.extraConfig’ instead.
|
||
|
||
# Environment variables to keep for root and %wheel.
|
||
Defaults:root,%wheel env_keep+=TERMINFO_DIRS
|
||
Defaults:root,%wheel env_keep+=TERMINFO
|
||
|
||
# Keep SSH_AUTH_SOCK so that pam_ssh_agent_auth.so can do its magic.
|
||
Defaults env_keep+=SSH_AUTH_SOCK
|
||
|
||
# "root" is allowed to do anything.
|
||
root ALL=(ALL) SETENV: ALL
|
||
|
||
# Users in the "wheel" group can do anything.
|
||
%wheel ALL=(ALL:ALL) ${if cfg.wheelNeedsPassword then "" else "NOPASSWD: ALL, "}SETENV: ALL
|
||
${cfg.extraConfig}
|
||
'';
|
||
|
||
security.setuidPrograms = [ "sudo" "sudoedit" ];
|
||
|
||
environment.systemPackages = [ sudo ];
|
||
|
||
security.pam.services.sudo = { sshAgentAuth = true; };
|
||
|
||
environment.etc = singleton
|
||
{ source =
|
||
pkgs.runCommand "sudoers"
|
||
{ src = pkgs.writeText "sudoers-in" cfg.configFile; }
|
||
# Make sure that the sudoers file is syntactically valid.
|
||
# (currently disabled - NIXOS-66)
|
||
"${pkgs.sudo}/sbin/visudo -f $src -c && cp $src $out";
|
||
target = "sudoers";
|
||
mode = "0440";
|
||
};
|
||
|
||
};
|
||
|
||
}
|