48 lines
1.3 KiB
Nix
48 lines
1.3 KiB
Nix
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{ config, lib, ... }:
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with lib;
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let
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cfg = config.hardware.cpu.intel.sgx.provision;
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defaultGroup = "sgx_prv";
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in
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{
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options.hardware.cpu.intel.sgx.provision = {
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enable = mkEnableOption "access to the Intel SGX provisioning device";
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user = mkOption {
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description = "Owner to assign to the SGX provisioning device.";
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type = types.str;
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default = "root";
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};
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group = mkOption {
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description = "Group to assign to the SGX provisioning device.";
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type = types.str;
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default = defaultGroup;
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};
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mode = mkOption {
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description = "Mode to set for the SGX provisioning device.";
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type = types.str;
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default = "0660";
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};
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};
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config = mkIf cfg.enable {
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assertions = [
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{
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assertion = hasAttr cfg.user config.users.users;
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message = "Given user does not exist";
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}
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{
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assertion = (cfg.group == defaultGroup) || (hasAttr cfg.group config.users.groups);
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message = "Given group does not exist";
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}
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];
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users.groups = optionalAttrs (cfg.group == defaultGroup) {
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"${cfg.group}" = { };
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};
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services.udev.extraRules = ''
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SUBSYSTEM=="misc", KERNEL=="sgx_provision", OWNER="${cfg.user}", GROUP="${cfg.group}", MODE="${cfg.mode}"
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'';
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};
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}
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