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use errors::{MftError};
use rwinstructs::timestamp::{WinTimestamp};
use rwinstructs::reference::{MftReference};
use byteorder::{ReadBytesExt, LittleEndian};
use encoding::{Encoding, DecoderTrap};
use encoding::all::UTF_16LE;
use std::io::Read;
use std::mem;
use serde::ser::SerializeStruct;
use serde::ser;
#[derive(Clone, Debug)]
pub struct FileNameAttr {
pub parent: MftReference,
pub created: WinTimestamp,
pub modified: WinTimestamp,
pub mft_modified: WinTimestamp,
pub accessed: WinTimestamp,
pub logical_size: u64,
pub physical_size: u64,
pub flags: u32,
pub reparse_value: u32,
pub name_length: u8,
pub namespace: u8,
pub name: String,
pub fullname: Option<String>
}
impl FileNameAttr {
/// Parse a Filename attrbiute buffer.
///
/// # Example
///
/// Parse a raw buffer.
///
/// ```
/// use rustymft::attr_x30::FileNameAttr;
/// # fn test_filename_attribute() {
/// let attribute_buffer: &[u8] = &[
/// 0x05,0x00,0x00,0x00,0x00,0x00,0x05,0x00,0xD5,0x2D,0x48,0x58,0x43,0x5F,0xCE,0x01,
/// 0xD5,0x2D,0x48,0x58,0x43,0x5F,0xCE,0x01,0xD5,0x2D,0x48,0x58,0x43,0x5F,0xCE,0x01,
/// 0xD5,0x2D,0x48,0x58,0x43,0x5F,0xCE,0x01,0x00,0x00,0x00,0x04,0x00,0x00,0x00,0x00,
/// 0x00,0x00,0x00,0x04,0x00,0x00,0x00,0x00,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
/// 0x08,0x03,0x24,0x00,0x4C,0x00,0x6F,0x00,0x67,0x00,0x46,0x00,0x69,0x00,0x6C,0x00,
/// 0x65,0x00,0x00,0x00,0x00,0x00,0x00,0x00
/// ];
///
/// let attribute = match FileNameAttr::new(attribute_buffer) {
/// Ok(attribute) => attribute,
/// Err(error) => panic!(error)
/// };
///
/// assert_eq!(attribute.parent.0, 1407374883553285);
/// assert_eq!(attribute.created.0, 130146182088895957);
/// assert_eq!(attribute.modified.0, 130146182088895957);
/// assert_eq!(attribute.mft_modified.0, 130146182088895957);
/// assert_eq!(attribute.accessed.0, 130146182088895957);
/// assert_eq!(attribute.logical_size, 67108864);
/// assert_eq!(attribute.physical_size, 67108864);
/// assert_eq!(attribute.flags, 6);
/// assert_eq!(attribute.reparse_value, 0);
/// assert_eq!(attribute.name_length, 8);
/// assert_eq!(attribute.namespace, 3);
/// assert_eq!(attribute.name, "$LogFile");
/// # }
/// ```
pub fn new(mut buffer: &[u8]) -> Result<FileNameAttr,MftError> {
let parent = MftReference(buffer.read_u64::<LittleEndian>()?);
let created = WinTimestamp(buffer.read_u64::<LittleEndian>()?);
let modified = WinTimestamp(buffer.read_u64::<LittleEndian>()?);
let mft_modified = WinTimestamp(buffer.read_u64::<LittleEndian>()?);
let accessed = WinTimestamp(buffer.read_u64::<LittleEndian>()?);
let logical_size = buffer.read_u64::<LittleEndian>()?;
let physical_size = buffer.read_u64::<LittleEndian>()?;
let flags = buffer.read_u32::<LittleEndian>()?;
let reparse_value = buffer.read_u32::<LittleEndian>()?;
let name_length = buffer.read_u8()?;
let namespace = buffer.read_u8()?;
let mut name_buffer = vec![0; (name_length as usize * 2) as usize];
buffer.read_exact(&mut name_buffer)?;
let name = match UTF_16LE.decode(&name_buffer,DecoderTrap::Ignore){
Ok(filename) => filename,
Err(error) => return Err(
MftError::decode_error(
format!("Error decoding name in filename attribute. [{}]",error)
)
)
};
let fullname = None;
Ok(
FileNameAttr {
parent: parent,
created: created,
modified: modified,
mft_modified: mft_modified,
accessed: accessed,
logical_size: logical_size,
physical_size: physical_size,
flags: flags,
reparse_value: reparse_value,
name_length: name_length,
namespace: namespace,
name: name,
fullname: fullname
}
)
}
}
impl ser::Serialize for FileNameAttr {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where S: ser::Serializer
{
let mut state = serializer.serialize_struct("FileNameAttr", 13)?;
state.serialize_field("parent",&self.parent)?;
state.serialize_field("created", &format!("{}",&self.created))?;
state.serialize_field("modified", &format!("{}",&self.modified))?;
state.serialize_field("mft_modified", &format!("{}",&self.mft_modified))?;
state.serialize_field("accessed", &self.accessed)?;
state.serialize_field("logical_size", &self.logical_size)?;
state.serialize_field("physical_size", &self.physical_size)?;
state.serialize_field("flags", &self.flags)?;
state.serialize_field("reparse_value", &self.reparse_value)?;
state.serialize_field("name_length", &self.name_length)?;
state.serialize_field("namespace", &self.namespace)?;
state.serialize_field("name", &format!("{}",&self.name))?;
match self.fullname {
Some(ref fullname) => {
state.serialize_field("fullname", &format!("{}",&fullname))?;
},
None => {}
}
state.end()
}
}
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