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use crate::utils::*;
use crate::DbusObjects;
use dbus::arg::RefArg;
use std::path::PathBuf;
#[derive(Clone, Debug, Default)]
pub struct Block {
pub crypto_backing_device: String,
pub device_number: u64,
pub device: PathBuf,
pub drive: String,
pub encrypted: Option<Encrypted>,
pub hint_auto: bool,
pub hint_icon_name: Option<String>,
pub hint_ignore: bool,
pub hint_name: Option<String>,
pub hint_partitionable: bool,
pub hint_symbolic_icon_name: Option<String>,
pub hint_system: bool,
pub id_label: Option<String>,
pub id_type: Option<String>,
pub id_usage: Option<String>,
pub id_uuid: Option<String>,
pub id_version: Option<String>,
pub id: String,
pub loopback: bool,
pub mdraid: PathBuf,
pub mdraid_member: PathBuf,
pub mount_points: Vec<PathBuf>,
pub partition: Option<Partition>,
pub path: String,
pub preferred_device: PathBuf,
pub read_only: bool,
pub size: u64,
pub swapspace: Option<bool>,
pub symlinks: Vec<PathBuf>,
pub table: Option<PartitionTable>,
pub userspace_mount_options: Vec<String>,
pub configuration: Option<BlockConfiguration>,
}
impl Block {
/// This will be true if this block contains an encrypted volume.
pub fn is_encrypted(&self) -> bool {
self.encrypted.is_some()
}
/// If this block contains an encrypted volume, find the block associated with it.
pub fn get_encrypted_block<'a>(&self, within: &'a [Block]) -> Option<&'a Block> {
if self.encrypted.is_some() {
within.iter().find(|b| b.crypto_backing_device == self.path)
} else {
None
}
}
}
impl ParseFrom for Block {
fn parse_from(path: &str, objects: &DbusObjects) -> Option<Block> {
if objects.get("org.freedesktop.UDisks2.Loop").is_some() {
return None;
}
let mut block = Block::default();
block.path = path.to_owned();
match objects.get("org.freedesktop.UDisks2.Block") {
Some(object) => {
for (key, ref value) in object {
match key.as_str() {
"CryptoBackingDevice" => {
block.crypto_backing_device = get_string(value).unwrap()
}
"Device" => block.device = PathBuf::from(get_byte_array(value).unwrap()),
"DeviceNumber" => block.device_number = get_u64(value),
"Drive" => block.drive = get_string(value).unwrap(),
"HintAuto" => block.hint_auto = get_bool(value),
"HintIconName" => block.hint_icon_name = get_string(value),
"HintIgnore" => block.hint_ignore = get_bool(value),
"HintName" => block.hint_name = get_string(value),
"HintPartitionable" => block.hint_partitionable = get_bool(value),
"HintSymbolicIconName" => block.hint_symbolic_icon_name = get_string(value),
"HintSystem" => block.hint_system = get_bool(value),
"Id" => block.id = get_string(value).unwrap_or_default(),
"IdLabel" => block.id_label = get_string(value),
"IdType" => block.id_type = get_string(value),
"IdUsage" => block.id_usage = get_string(value),
"IdUUID" => block.id_uuid = get_string(value),
"IdVersion" => block.id_version = get_string(value),
"MDRaid" => {
block.mdraid = get_string(value).map(PathBuf::from).unwrap_or_default()
}
"MDRaidMember" => {
block.mdraid_member =
get_string(value).map(PathBuf::from).unwrap_or_default()
}
"PreferredDevice" => {
block.preferred_device = PathBuf::from(get_byte_array(value).unwrap())
}
"ReadOnly" => block.read_only = get_bool(value),
"Size" => block.size = get_u64(value),
"Symlinks" => {
block.symlinks = get_array_of_byte_arrays(value)
.map(|paths| {
paths.into_iter().map(PathBuf::from).collect::<Vec<_>>()
})
.unwrap_or_default()
}
"UserspaceMountOptions" => {
block.userspace_mount_options =
get_string_array(value).unwrap_or_default()
}
"Configuration" => {
let mut configuration = BlockConfiguration::default();
for value in value.as_iter().unwrap() {
if let Some(mut iterator) = value.as_iter() {
if let Some(mut iterator) =
iterator.next().and_then(|i| i.as_iter())
{
if let (Some(key), Some(mut array)) = (
iterator.next(),
iterator.next().and_then(|i| i.as_iter()),
) {
if let Some(key) = key.as_str() {
if key == "fstab" {
while let (Some(key), Some(value)) =
(array.next(), array.next())
{
if let Some(key) = key.as_str() {
match key {
"fsname" => {
configuration.fstab.fsname =
vva(value)
.unwrap_or_default()
}
"dir" => {
configuration.fstab.dir =
vva(value)
.unwrap_or_default()
}
"type" => {
configuration.fstab.type_ =
vva(value)
.unwrap_or_default()
}
"opts" => {
configuration.fstab.opts =
vva(value)
.unwrap_or_default()
}
"freq" => {
configuration.fstab.freq = value
.as_u64()
.unwrap_or_default()
as i32
}
"passno" => {
configuration.fstab.passno =
value
.as_u64()
.unwrap_or_default()
as i32
}
_ => {
eprintln!("unhandled block config fstab key: {:?}, {:?}", key, value);
}
}
}
}
} else if key == "crypttab" {
while let (Some(key), Some(value)) =
(array.next(), array.next())
{
if let Some(key) = key.as_str() {
match key {
"name" => {
configuration.crypttab.name =
vva(value)
.unwrap_or_default()
}
"device" => {
configuration.crypttab.device =
vva(value)
.unwrap_or_default()
}
"passphrase-path" => {
configuration
.crypttab
.passphrase_path =
vva(value)
.unwrap_or_default()
}
"options" => {
configuration.crypttab.options =
vva(value)
.unwrap_or_default()
}
_ => {
eprintln!("unhandled block config crypttab key: {:?}, {:?}", key, value);
}
}
}
}
} else {
eprintln!("unknown block config key: {}", key);
}
}
}
}
}
}
block.configuration = Some(configuration);
}
_ => {
#[cfg(debug_assertions)]
eprintln!("unhandled org.freedesktop.UDisks2.Block.{}", key);
eprintln!("value: {:#?}", value);
}
}
}
}
None => return None,
}
for (key, object) in objects {
match key.as_str() {
"org.freedesktop.UDisks2.Block" => (),
"org.freedesktop.UDisks2.Swapspace" => {
block.swapspace = Some(object.get("Active").map_or(false, get_bool));
}
"org.freedesktop.UDisks2.PartitionTable" => {
let mut table = PartitionTable::default();
for (key, ref value) in object {
match key.as_str() {
"Type" => table.type_ = get_string(value).unwrap_or_default(),
"Partitions" => {
table.partitions = get_string_array(value).unwrap_or_default();
table.partitions.sort_unstable();
}
_ => {
#[cfg(debug_assertions)]
eprintln!(
"unhandled org.freedesktop.UDisks2.PartitionTable.{}",
key
);
}
}
}
block.table = Some(table);
}
"org.freedesktop.UDisks2.Partition" => {
let mut partition = Partition::default();
for (key, value) in object {
match key.as_str() {
"Type" => partition.type_ = get_string(value).unwrap_or_default(),
"Name" => partition.name = get_string(value).unwrap_or_default(),
"UUID" => partition.uuid = get_string(value).unwrap_or_default(),
"Table" => {
partition.table =
get_string(value).expect("partition is not part of a table")
}
"Flags" => partition.flags = get_u64(value),
"Offset" => partition.offset = get_u64(value),
"Size" => partition.size = get_u64(value),
"Number" => partition.number = get_u64(value) as u32,
"IsContained" => partition.is_contained = get_bool(value),
"IsContainer" => partition.is_container = get_bool(value),
_ => {
#[cfg(debug_assertions)]
eprintln!("unhandled org.freedesktop.UDisks2.Partition.{}", key);
}
}
}
block.partition = Some(partition);
}
"org.freedesktop.UDisks2.Filesystem" => {
block.mount_points = object
.get("MountPoints")
.and_then(get_array_of_byte_arrays)
.map(|paths| paths.into_iter().map(PathBuf::from).collect::<Vec<_>>())
.unwrap_or_default()
}
"org.freedesktop.UDisks2.Encrypted" => {
let mut encrypted = Encrypted::default();
for (key, ref value) in object {
match key.as_str() {
"HintEncryptionType" => {
encrypted.hint_encryption_type =
get_string(value).unwrap_or_default()
}
"MetadataSize" => encrypted.metadata_size = get_u64(value),
"CleartextDevice" => {
encrypted.cleartext_device = get_string(value).unwrap_or_default()
}
_ => {
#[cfg(debug_assertions)]
eprintln!("unhandled org.freedesktop.UDisks2.Encrypted.{}", key);
}
}
}
block.encrypted = Some(encrypted);
}
_ => {
#[cfg(debug_assertions)]
eprintln!("unhandled org.freedesktop.UDisks2.{}", key);
}
}
}
Some(block)
}
}
#[derive(Clone, Debug, Default)]
pub struct BlockConfiguration {
pub fstab: BlockConfigurationFstab,
pub crypttab: BlockConfigurationCrypttab,
}
#[derive(Clone, Debug, Default)]
pub struct BlockConfigurationFstab {
pub fsname: String,
pub dir: String,
pub type_: String,
pub opts: String,
pub freq: i32,
pub passno: i32,
}
#[derive(Clone, Debug, Default)]
pub struct BlockConfigurationCrypttab {
pub name: String,
pub device: String,
pub passphrase_path: String,
pub options: String,
}
#[derive(Clone, Debug, Default)]
pub struct Encrypted {
pub hint_encryption_type: String,
pub metadata_size: u64,
pub cleartext_device: String,
}
#[derive(Clone, Debug, Default)]
pub struct PartitionTable {
pub type_: String,
// Partitions are listed by their dbus paths.
pub partitions: Vec<String>,
}
#[derive(Clone, Debug, Default)]
pub struct Partition {
// Defines the file system by a type UUID.
pub type_: String,
// An optional label that may be applied to a disk.
pub name: String,
// Points to the dbus path that this partition exists within.
pub table: String,
pub flags: u64,
pub number: u32,
pub offset: u64,
pub size: u64,
pub uuid: String,
pub is_container: bool,
pub is_contained: bool,
}