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984d9ebb56
`systemd.hideProcessInformation = true`, would break interactions requiring polkit arbitration such as initating poweroff/reboot as a normal user; the polkit daemon cannot be expected to make decisions about processes that don't exist as far as it is concerned. systemd-logind lacks the `sys_ptrace` capability and so needs to be part of the designated proc gid, even though it runs as root. Fixes https://github.com/NixOS/nixpkgs/issues/20948
28 lines
692 B
Nix
28 lines
692 B
Nix
{ config, pkgs, lib, ... }:
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with lib;
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{
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meta = {
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maintainers = [ maintainers.joachifm ];
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doc = ./hidepid.xml;
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};
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options = {
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security.hideProcessInformation = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Restrict process information to the owning user.
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'';
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};
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};
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config = mkIf config.security.hideProcessInformation {
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users.groups.proc.gid = config.ids.gids.proc;
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users.groups.proc.members = [ "polkituser" ];
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boot.specialFileSystems."/proc".options = [ "hidepid=2" "gid=${toString config.ids.gids.proc}" ];
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systemd.services.systemd-logind.serviceConfig.SupplementaryGroups = [ "proc" ];
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};
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}
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