85 lines
2.2 KiB
Nix
85 lines
2.2 KiB
Nix
{
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config,
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pkgs,
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...
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}: let
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usb_data = import ../../data/usb_data.nix {};
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drive_data = import ../../data/normal_drive_data.nix {};
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in {
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config.boot = {
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initrd.availableKernelModules = [
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# For USB w/ Encryption Key
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"usb_storage"
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"usbcore"
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"uas"
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"sd_mod"
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# For USB Keyboards
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"usbhid"
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# For Cryptography
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"aesni_intel"
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"cryptd"
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];
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initrd.postDeviceCommands = pkgs.lib.mkBefore ''
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mkdir -m 0755 -p /keys
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mkdir -m 0755 -p ${usb_data.mountpoint}
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while !(test -b ${usb_data.encrypted_path})
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do
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${
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if config.boot.plymouth.enable
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then ''
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${pkgs.plymouth}/bin/plymouth display-message --text="Please Plug In USB"
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''
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else ''
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echo "Please Plug In USB"
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''
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}
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sleep 1
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done
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${
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if config.boot.plymouth.enable
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then ''
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${pkgs.plymouth}/bin/plymouth hide-message --text="Please Plug In USB"
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${pkgs.plymouth}/bin/plymouth ask-for-password \
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--prompt="Please Decrypt USB" \
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--command="cryptsetup -T1 open ${usb_data.encrypted_path} ${usb_data.mapper_name}" \
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--number-of-tries=3
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''
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else ''
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echo "Please Decrypt USB"
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cryptsetup open ${usb_data.encrypted_path} ${usb_data.mapper_name}
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''
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}
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mount -n -t ${usb_data.unencrypted_fs_type} -o ro ${usb_data.mapper_path} ${usb_data.mountpoint}
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cp ${usb_data.encryption_keys_path}/${config.networking.hostName}.key /keys
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umount -f ${usb_data.mountpoint}
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cryptsetup close ${usb_data.mapper_name}
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'';
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initrd.luks.devices = {
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"${drive_data.root_mapper_name}" = {
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device = "${drive_data.encrypted_root_path}";
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keyFile = "/keys/${config.networking.hostName}.key";
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preLVM = false;
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allowDiscards = true;
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};
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};
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};
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config.fileSystems = {
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"/" = {
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device = "${drive_data.decrypted_root_path}";
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fsType = "${drive_data.unencrypted_root_fs_type}";
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};
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"/boot" = {
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device = "${drive_data.boot_path}";
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fsType = "${drive_data.boot_fs_type}";
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};
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};
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}
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