depot/third_party/nixpkgs/nixos/modules/programs/tcpdump.nix

36 lines
645 B
Nix

{
config,
lib,
pkgs,
...
}:
let
cfg = config.programs.tcpdump;
in
{
options = {
programs.tcpdump = {
enable = lib.mkOption {
type = lib.types.bool;
default = false;
description = ''
Whether to configure a setcap wrapper for tcpdump.
To use it, add your user to the `pcap` group.
'';
};
};
};
config = lib.mkIf cfg.enable {
security.wrappers.tcpdump = {
owner = "root";
group = "pcap";
capabilities = "cap_net_raw+p";
permissions = "u+rx,g+x";
source = lib.getExe pkgs.tcpdump;
};
users.groups.pcap = { };
};
}