112 lines
2.9 KiB
Nix
112 lines
2.9 KiB
Nix
{ config, lib, pkgs, ... }:
|
|
|
|
with lib;
|
|
|
|
let
|
|
|
|
cfg = config.security.polkit;
|
|
|
|
in
|
|
|
|
{
|
|
|
|
options = {
|
|
|
|
security.polkit.enable = mkOption {
|
|
type = types.bool;
|
|
default = true;
|
|
description = "Whether to enable PolKit.";
|
|
};
|
|
|
|
security.polkit.extraConfig = mkOption {
|
|
type = types.lines;
|
|
default = "";
|
|
example =
|
|
''
|
|
/* Log authorization checks. */
|
|
polkit.addRule(function(action, subject) {
|
|
polkit.log("user " + subject.user + " is attempting action " + action.id + " from PID " + subject.pid);
|
|
});
|
|
|
|
/* Allow any local user to do anything (dangerous!). */
|
|
polkit.addRule(function(action, subject) {
|
|
if (subject.local) return "yes";
|
|
});
|
|
'';
|
|
description =
|
|
''
|
|
Any polkit rules to be added to config (in JavaScript ;-). See:
|
|
http://www.freedesktop.org/software/polkit/docs/latest/polkit.8.html#polkit-rules
|
|
'';
|
|
};
|
|
|
|
security.polkit.adminIdentities = mkOption {
|
|
type = types.listOf types.str;
|
|
default = [ "unix-user:0" "unix-group:wheel" ];
|
|
example = [ "unix-user:alice" "unix-group:admin" ];
|
|
description =
|
|
''
|
|
Specifies which users are considered “administrators”, for those
|
|
actions that require the user to authenticate as an
|
|
administrator (i.e. have an <literal>auth_admin</literal>
|
|
value). By default, this is the <literal>root</literal>
|
|
user and all users in the <literal>wheel</literal> group.
|
|
'';
|
|
};
|
|
|
|
};
|
|
|
|
|
|
config = mkIf cfg.enable {
|
|
|
|
environment.systemPackages = [ pkgs.polkit ];
|
|
|
|
systemd.packages = [ pkgs.polkit ];
|
|
|
|
systemd.services.polkit.restartTriggers = [ config.system.path ];
|
|
systemd.services.polkit.unitConfig.X-StopIfChanged = false;
|
|
|
|
# The polkit daemon reads action/rule files
|
|
environment.pathsToLink = [ "/share/polkit-1" ];
|
|
|
|
# PolKit rules for NixOS.
|
|
environment.etc."polkit-1/rules.d/10-nixos.rules".text =
|
|
''
|
|
polkit.addAdminRule(function(action, subject) {
|
|
return [${concatStringsSep ", " (map (i: "\"${i}\"") cfg.adminIdentities)}];
|
|
});
|
|
|
|
${cfg.extraConfig}
|
|
''; #TODO: validation on compilation (at least against typos)
|
|
|
|
services.dbus.packages = [ pkgs.polkit ];
|
|
|
|
security.pam.services.polkit-1 = {};
|
|
|
|
security.setuidPrograms = [ "pkexec" ];
|
|
|
|
security.setuidOwners = [
|
|
{ program = "polkit-agent-helper-1";
|
|
owner = "root";
|
|
group = "root";
|
|
setuid = true;
|
|
source = "${pkgs.polkit}/lib/polkit-1/polkit-agent-helper-1";
|
|
}
|
|
];
|
|
|
|
system.activationScripts.polkit =
|
|
''
|
|
# Probably no more needed, clean up
|
|
rm -rf /var/lib/{polkit-1,PolicyKit}
|
|
'';
|
|
|
|
users.extraUsers.polkituser = {
|
|
description = "PolKit daemon";
|
|
uid = config.ids.uids.polkituser;
|
|
};
|
|
|
|
};
|
|
|
|
}
|
|
|