68 lines
1.9 KiB
Nix
68 lines
1.9 KiB
Nix
|
{
|
||
|
|
config,
|
||
|
|
lib,
|
||
|
|
self,
|
||
|
|
...
|
||
|
|
}: let
|
||
|
|
inherit (lib.modules) mkIf mkBefore;
|
||
|
|
|
||
|
|
encryptedUSB = import "${self}/data/drives/encryptedUSB.nix";
|
||
|
|
driveData = import "${self}/data/drives/encryptedDrive.nix";
|
||
|
|
|
||
|
|
cfg = config.boot.encryptedDrive;
|
||
|
|
in {
|
||
|
|
config = mkIf (cfg.enable && cfg.mode == "encrypted-usb") {
|
||
|
|
boot = {
|
||
|
|
initrd.postDeviceCommands = mkBefore ''
|
||
|
|
mkdir -m 0755 -p /keys
|
||
|
|
mkdir -m 0755 -p ${encryptedUSB.mountpoint}
|
||
|
|
|
||
|
|
${
|
||
|
|
if cfg.allowPasswordDecrypt
|
||
|
|
then ''
|
||
|
|
if grep "cryptsetup_password" /proc/cmdline; then
|
||
|
|
USE_PASSWORD_FALLBACK=true
|
||
|
|
else
|
||
|
|
USE_PASSWORD_FALLBACK=false
|
||
|
|
fi
|
||
|
|
''
|
||
|
|
else ''
|
||
|
|
USE_PASSWORD_FALLBACK=false
|
||
|
|
''
|
||
|
|
}
|
||
|
|
|
||
|
|
while !(test -b ${encryptedUSB.encryptedPath}) && [ "$USE_PASSWORD_FALLBACK" == "false" ]
|
||
|
|
do
|
||
|
|
echo "Please Plug In USB"
|
||
|
|
sleep 1
|
||
|
|
done
|
||
|
|
|
||
|
|
if [ "$USE_PASSWORD_FALLBACK" == "true" ]; then
|
||
|
|
echo "Please Decrypt Drive"
|
||
|
|
cryptsetup open ${driveData.encryptedPath} ${driveData.mapperName}
|
||
|
|
else
|
||
|
|
echo "Please Decrypt USB"
|
||
|
|
cryptsetup open ${encryptedUSB.encryptedPath} ${encryptedUSB.preBootMapperName}
|
||
|
|
fi
|
||
|
|
|
||
|
|
if [ "$USE_PASSWORD_FALLBACK" == "false" ]; then
|
||
|
|
mount -n -t ${encryptedUSB.unencryptedFSType} -o ro ${encryptedUSB.preBootMapperPath} ${encryptedUSB.mountpoint}
|
||
|
|
|
||
|
|
cp ${encryptedUSB.encryptionKeysPath}/${config.networking.hostName}.key /keys
|
||
|
|
chmod 0755 /keys/${config.networking.hostName}.key
|
||
|
|
umount -f ${encryptedUSB.mountpoint}
|
||
|
|
|
||
|
|
cryptsetup close ${encryptedUSB.preBootMapperName}
|
||
|
|
else
|
||
|
|
touch /keys/${config.networking.hostName}.key
|
||
|
|
fi
|
||
|
|
'';
|
||
|
|
initrd.luks.devices = {
|
||
|
|
"${driveData.mapperName}" = {
|
||
|
|
keyFile = "/keys/${config.networking.hostName}.key";
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|
||
|
|
}
|