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31 lines
869 B
31 lines
869 B
{ config, 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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# Disable cgroupsv2, which doesn't work with hidepid.
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# https://github.com/NixOS/nixpkgs/pull/104094#issuecomment-729996203
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systemd.enableUnifiedCgroupHierarchy = false;
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};
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}
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