Add pack support for Qlie Pack Archive (.pack) v3.1

This commit is contained in:
2026-01-31 00:05:11 +08:00
parent fc6910df0a
commit 487d403d60
11 changed files with 937 additions and 14 deletions

View File

@@ -589,6 +589,12 @@ pub trait Script: std::fmt::Debug + std::any::Any {
/// A trait for creating archives.
pub trait Archive {
/// Returns an iterator of a list of filenames must writed before other files.
///
/// Should return None if no such requirement.
fn prelist<'a>(&'a self) -> Result<Option<Box<dyn Iterator<Item = Result<String>> + 'a>>> {
Ok(None)
}
/// Creates a new file in the archive.
///
/// size is optional, if provided, size must be exactly the size of the file to be created.

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@@ -5,7 +5,7 @@ use crate::types::*;
use crate::utils::encoding::*;
use crate::utils::mmx::*;
use anyhow::Result;
use std::io::Read;
use std::io::{Read, Write};
pub trait Hasher {
fn update(&mut self, data: &[u8]) -> Result<()>;
@@ -67,6 +67,29 @@ pub fn decrypt(data: &mut [u8], key: u32) -> Result<()> {
Ok(())
}
pub fn encrypt(data: &mut [u8], key: u32) -> Result<()> {
let length = data.len();
if length < 8 {
// Nothing to encrypt
return Ok(());
}
let mut data = MemWriterRef::new(data);
const C1: u64 = 0xA73C5F9D;
const C2: u64 = 0xCE24F523;
const C3: u64 = 0xFEC9753E;
let mut v5 = mmx_punpckldq2(C1);
const V7: u64 = mmx_punpckldq2(C2);
let mut v9 = mmx_punpckldq2(((length as u32).wrapping_add(key) as u64) ^ C3);
for _ in 0..length / 8 {
let mut d = data.peek_u64()?;
v5 = mmx_p_add_d(v5, V7) ^ v9;
v9 = d;
d ^= v5;
data.write_u64(d)?;
}
Ok(())
}
pub fn get_common_key(data: &[u8]) -> Result<Vec<u8>> {
let mut reader = MemReaderRef::new(data);
let mut key = vec![0u8; 0x400];
@@ -112,6 +135,44 @@ impl Encryption31 {
}
Ok(mem.into_inner())
}
pub fn compute_name_hash(&self, name: &[u16]) -> Result<u32> {
let mut v2 = 0u32;
let mut v3 = name.len() as u32;
let mut v4 = 1u32;
if v3 > 0 {
loop {
let n = (name[(v4 - 1) as usize] as u32) << (v4 & 7);
v2 = v2.wrapping_add(n) & 0x3FFFFFFF;
v4 += 1;
v3 -= 1;
if v3 == 0 {
break;
}
}
}
Ok(v2)
}
pub fn encrypt_name(&self, name: &mut [u8], hash: i32) -> Result<()> {
if name.len() % 2 != 0 {
return Err(anyhow::anyhow!(
"Invalid name length for Unicode encryption"
));
}
let char_len = name.len() / 2;
let cl = char_len as i32;
let temp = (cl.wrapping_mul(cl) ^ cl ^ 0x3e13 ^ (hash >> 16) ^ hash) & 0xFFFF;
let mut key = temp;
for i in 0..char_len {
key = temp
.wrapping_add(i as i32)
.wrapping_add(key.wrapping_mul(8));
name[i * 2] ^= key as u8;
name[i * 2 + 1] ^= (key >> 8) as u8;
}
Ok(())
}
}
impl Encryption for Encryption31 {
@@ -298,6 +359,67 @@ impl<'a> Read for Encryption31DecryptV1<'a> {
}
}
#[derive(Debug)]
pub struct Encryption31EncryptV1<T: Write> {
stream: T,
table: MemReader,
v4: u32,
v6: u64,
}
impl<T: Write> Encryption31EncryptV1<T> {
pub fn new(stream: T, size: u32, name: String, key: u32) -> Result<AlignedWriter<8, Self>> {
let mut v1 = 0x85F532u32;
let mut v2 = 0x33F641u32;
for (i, n) in name.encode_utf16().enumerate() {
v1 = v1.wrapping_add((n as u32) << (i & 7));
v2 ^= v1;
}
v2 = v2.wrapping_add(
key ^ ((7 * (size & 0xFFFFFF))
.wrapping_add(size)
.wrapping_add(v1)
.wrapping_add(v1 ^ size ^ 0x8F32DC)),
);
v2 = 9 * (v2 & 0xFFFFFF);
let table = MemReader::new(Encryption31::create_table(0x40, v2, true)?);
let v4 = 8 * (table.cpeek_u32_at(52)? & 0xF);
let v6 = table.cpeek_u64_at(24)?;
let inner = Self {
stream,
table,
v4,
v6,
};
Ok(AlignedWriter::new(inner))
}
}
impl<T: Write> Write for Encryption31EncryptV1<T> {
fn write(&mut self, buf: &[u8]) -> std::io::Result<usize> {
let round = buf.len() / 8;
let mut reader = MemReaderRef::new(buf);
for _ in 0..round {
let d = reader.read_u64()?;
let temp = self.table.cpeek_u64_at(self.v4 as u64)?;
let v7 = mmx_p_add_d(self.v6 ^ temp, temp);
let v8 = d ^ v7;
self.stream.write_u64(v8)?;
self.v6 = mmx_p_add_w(mmx_p_sll_d(mmx_p_add_b(v7, d) ^ d, 1), d);
self.v4 = (self.v4 + 8) & 0x7F;
}
let remain = buf.len() % 8;
if remain > 0 {
self.stream.write_all(&buf[buf.len() - remain..])?;
}
Ok(buf.len())
}
fn flush(&mut self) -> std::io::Result<()> {
self.stream.flush()
}
}
#[derive(Debug)]
struct Encryption31DecryptV2<'a> {
stream: Box<dyn ReadSeek + 'a>,
@@ -363,6 +485,78 @@ impl<'a> Read for Encryption31DecryptV2<'a> {
}
}
#[derive(Debug)]
pub struct Encryption31EncryptV2<T: Write> {
stream: T,
table: MemReader,
v4: u32,
v6: u64,
common_key: MemReader,
}
impl<T: Write> Encryption31EncryptV2<T> {
pub fn new(
stream: T,
size: u32,
name: String,
key: u32,
common_key: Vec<u8>,
) -> Result<AlignedWriter<8, Self>> {
let mut v1 = 0x86F7E2u32;
let mut v2 = 0x4437F1u32;
for (i, n) in name.encode_utf16().enumerate() {
v1 = v1.wrapping_add((n as u32) << (i & 7));
v2 ^= v1;
}
v2 = v2.wrapping_add(
key ^ ((13 * (size & 0xFFFFFF))
.wrapping_add(size)
.wrapping_add(v1)
.wrapping_add(v1 ^ size ^ 0x56E213)),
);
v2 = 13 * (v2 & 0xFFFFFF);
let table = MemReader::new(Encryption31::create_table(0x40, v2, false)?);
let v4 = 8 * (table.cpeek_u32_at(32)? & 0xD);
let v6 = table.cpeek_u64_at(24)?;
let inner = Self {
stream,
table,
v4,
v6,
common_key: MemReader::new(common_key),
};
Ok(AlignedWriter::new(inner))
}
}
impl<T: Write> Write for Encryption31EncryptV2<T> {
fn write(&mut self, buf: &[u8]) -> std::io::Result<usize> {
let round = buf.len() / 8;
let mut reader = MemReaderRef::new(buf);
for _ in 0..round {
let d = reader.read_u64()?;
let temp_index1 = ((self.v4 & 0xF) * 8) as u64;
let temp_index2 = ((self.v4 & 0x7F) * 8) as u64;
let temp = self.table.cpeek_u64_at(temp_index1)?
^ self.common_key.cpeek_u64_at(temp_index2)?;
let v7 = mmx_p_add_d(self.v6 ^ temp, temp);
let v8 = d ^ v7;
self.stream.write_u64(v8)?;
self.v6 = mmx_p_add_w(mmx_p_sll_d(mmx_p_add_b(v7, d) ^ d, 1), d);
self.v4 = (self.v4 + 1) & 0x7F;
}
let remain = buf.len() % 8;
if remain > 0 {
self.stream.write_all(&buf[buf.len() - remain..])?;
}
Ok(buf.len())
}
fn flush(&mut self) -> std::io::Result<()> {
self.stream.flush()
}
}
#[derive(Debug)]
pub struct Decompressor<'a> {
stream: Box<dyn ReadDebug + 'a>,

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@@ -2,6 +2,7 @@
mod encryption;
mod twister;
mod types;
mod v31;
use crate::ext::io::*;
use crate::scripts::base::*;
@@ -110,6 +111,20 @@ impl ScriptBuilder for QliePackArchiveBuilder {
fn is_archive(&self) -> bool {
true
}
fn create_archive(
&self,
filename: &str,
files: &[&str],
_encoding: Encoding,
config: &ExtraConfig,
) -> Result<Box<dyn Archive>> {
let f = std::fs::File::create(filename)?;
let buf = std::io::BufWriter::new(f);
Ok(Box::new(v31::QliePackArchiveWriterV31::new(
buf, files, config,
)?))
}
}
/// Check if the given file is Qlie Pack Archive format
@@ -163,7 +178,7 @@ impl<T: Read + Seek + std::fmt::Debug> QliePackArchive<T> {
key = encryption.compute_hash(&qk.key[..0x100])? & 0xFFFFFFF;
}
encryption::decrypt(&mut qk.signature, key)?;
if &qk.signature != b"8hr48uky,8ugi8ewra4g8d5vbf5hb5s6" {
if &qk.signature != QLIE_KEY_SIGNATURE {
eprintln!(
"WARNING: Invalid Qlie Pack Archive key signature, decryption key may be incorrect"
);
@@ -204,10 +219,7 @@ impl<T: Read + Seek + std::fmt::Debug> QliePackArchive<T> {
}
let mut common_key = None;
if major >= 3 && minor >= 1 {
if let Some(common_key_entry) = entries
.iter()
.find(|e| e.name == "pack_keyfile_kfueheish15538fa9or.key")
{
if let Some(common_key_entry) = entries.iter().find(|e| e.name == QLIE_KEY_FILE) {
reader.seek(SeekFrom::Start(common_key_entry.offset))?;
let stream = StreamRegion::with_size(&mut reader, common_key_entry.size as u64)?;
let mut decrypted = encryption.decrypt_entry(Box::new(stream), common_key_entry)?;

View File

@@ -8,6 +8,8 @@ use std::io::{Read, Seek, Write};
pub const HASH_VER_1_2_SIGNATURE: &[u8; 16] = b"HashVer1.2\x00\x00\x00\x00\x00\x00";
pub const HASH_VER_1_3_SIGNATURE: &[u8; 16] = b"HashVer1.3\x00\x00\x00\x00\x00\x00";
pub const HASH_VER_1_4_SIGNATURE: &[u8; 16] = b"HashVer1.4\x00\x00\x00\x00\x00\x00";
pub const QLIE_KEY_SIGNATURE: &[u8; 32] = b"8hr48uky,8ugi8ewra4g8d5vbf5hb5s6";
pub const QLIE_KEY_FILE: &'static str = "pack_keyfile_kfueheish15538fa9or.key";
/// HashVer 1.2
#[derive(StructPack, StructUnpack, Debug, Clone)]
@@ -37,8 +39,7 @@ pub struct QlieHash13 {
#[derive(StructPack, StructUnpack, Debug, Clone)]
pub struct QlieHash14 {
pub signature: [u8; 16],
/// Always 0x100
pub const_: u32,
pub table_size: u32,
pub file_count: u32,
pub index_size: u32,
pub hash_data_size: u32,
@@ -81,7 +82,7 @@ pub struct QlieKey {
pub key: [u8; 0x400],
}
#[derive(Debug, Clone)]
#[derive(Debug, Clone, Default)]
pub struct QlieEntry {
pub name: String,
pub offset: u64,

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@@ -0,0 +1,586 @@
use super::encryption::*;
use super::types::*;
use crate::ext::io::*;
use crate::scripts::base::*;
use crate::types::*;
use crate::utils::encoding::*;
use anyhow::Result;
use rand::Rng;
use std::io::{Seek, Write};
struct MListEntry<T> {
back: *mut MListEntry<T>,
next: *mut MListEntry<T>,
data: T,
}
struct MList<T> {
head: *mut MListEntry<T>,
depth: usize,
}
impl<T> MList<T> {
pub fn new() -> Self {
Self {
head: std::ptr::null_mut(),
depth: 0,
}
}
pub fn push(&mut self, data: T, way: bool) -> usize {
let entry = Box::new(MListEntry {
back: std::ptr::null_mut(),
next: std::ptr::null_mut(),
data,
});
let entry_ptr = Box::into_raw(entry);
if self.head.is_null() {
self.head = entry_ptr;
unsafe {
(*self.head).back = self.head;
(*self.head).next = self.head;
}
} else {
if way {
unsafe {
(*(*self.head).back).next = entry_ptr;
(*entry_ptr).back = (*self.head).back;
(*entry_ptr).next = self.head;
(*self.head).back = entry_ptr;
}
} else {
unsafe {
(*(*self.head).back).next = entry_ptr;
(*entry_ptr).back = (*self.head).back;
(*entry_ptr).next = self.head;
(*self.head).back = entry_ptr;
self.head = entry_ptr;
}
}
}
self.depth += 1;
self.depth
}
pub fn pop(&mut self, way: bool) -> Option<T> {
if self.head.is_null() {
return None;
}
if self.depth > 0 {
self.depth -= 1;
let ret;
if way {
unsafe {
ret = (*self.head).back;
(*(*ret).back).next = (*ret).next;
(*self.head).back = (*ret).back;
}
} else {
unsafe {
ret = self.head;
(*(*ret).back).next = (*ret).next;
(*(*ret).next).back = (*ret).back;
self.head = (*ret).next;
}
}
if self.depth == 0 {
self.head = std::ptr::null_mut();
}
let boxed = unsafe { Box::from_raw(ret) };
return Some(boxed.data);
}
None
}
}
impl<T> Drop for MList<T> {
fn drop(&mut self) {
if self.head.is_null() {
return;
}
let mut current = self.head;
loop {
unsafe {
let next = (*current).next;
let _ = Box::from_raw(current);
if next == self.head {
break;
}
current = next;
}
}
}
}
pub struct QliePackArchiveWriterV31<T: Write + Seek> {
writer: T,
encryption: Encryption31,
qkey: QlieKey,
header: QlieHeader,
hash: QlieHash14,
has_key_file: bool,
entries: Vec<QlieEntry>,
key: u32,
common_key: Option<Vec<u8>>,
}
struct FilenameEntry {
name: Vec<u16>,
hash: u32,
index: u32,
}
fn get_pos(hash: u32, count: u32) -> u32 {
let v = (hash as u16 as u32)
.wrapping_add(hash >> 8)
.wrapping_add(hash >> 16);
v % count
}
impl<T: Write + Seek> QliePackArchiveWriterV31<T> {
pub fn new(writer: T, files: &[&str], config: &ExtraConfig) -> Result<Self> {
let has_key_file = files.iter().any(|f| *f == QLIE_KEY_FILE);
let mut file_count = files.len() as u32;
if !has_key_file {
if config.qlie_pack_keyfile.is_none() {
anyhow::bail!(
"Qlie Pack Archive key file is required but not provided. Put a key file named '{}' in the directory or specify the path using '--qlie-pack-keyfile' option.",
QLIE_KEY_FILE
);
}
// Add 1 for the key file
file_count += 1;
}
let header = QlieHeader {
signature: *b"FilePackVer3.1\x00\x00",
file_count,
index_offset: 0,
};
let encryption = Encryption31::new();
let mut qkey = QlieKey {
signature: *QLIE_KEY_SIGNATURE,
hash_size: 0,
key: [0; 0x400],
};
rand::rng().fill(&mut qkey.key[..0x100]);
let key = encryption.compute_hash(&qkey.key[..0x100])? & 0xFFFFFFF;
encrypt(&mut qkey.signature, key)?;
let mut entries = Vec::new();
let mut list = Vec::with_capacity(256);
for _ in 0..256 {
list.push(MList::<FilenameEntry>::new());
}
let key_entry = QlieEntry {
name: QLIE_KEY_FILE.to_string(),
..Default::default()
};
entries.push(key_entry);
let key_filename: Vec<_> = QLIE_KEY_FILE.encode_utf16().collect();
let key_hash = encryption.compute_name_hash(&key_filename)?;
let key_name_entry = FilenameEntry {
name: key_filename,
hash: key_hash,
index: 0,
};
let pos = get_pos(key_hash, 256);
list[pos as usize].push(key_name_entry, true);
for name in files {
if *name == QLIE_KEY_FILE {
continue;
}
let filename: Vec<_> = name.encode_utf16().collect();
let name_hash = encryption.compute_name_hash(&filename)?;
let entry = QlieEntry {
name: name.to_string(),
..Default::default()
};
entries.push(entry);
let name_entry = FilenameEntry {
name: filename,
hash: name_hash,
index: (entries.len() - 1) as u32,
};
let pos = get_pos(name_hash, 256);
list[pos as usize].push(name_entry, true);
}
let mut hash_data = MemWriter::new();
for mut list in list {
hash_data.write_u32(list.depth as u32)?;
while let Some(entry) = list.pop(false) {
hash_data.write_u16(entry.name.len() as u16)?;
hash_data.write_struct(&entry.name, false, Encoding::Utf16LE, &None)?;
hash_data.write_u64(entry.index as u64 * 4)?;
hash_data.write_u32(entry.hash)?;
}
}
for i in 0..file_count {
hash_data.write_u32(i)?;
}
let mut hash_data = hash_data.into_inner();
encrypt(&mut hash_data, 0x0428)?;
let hash = QlieHash14 {
signature: *HASH_VER_1_4_SIGNATURE,
table_size: 256,
file_count: header.file_count,
index_size: header.file_count * 4,
hash_data_size: hash_data.len() as u32,
is_compressed: 0,
unk: [0; 32],
hash_data,
};
qkey.hash_size = hash.hash_data_size + 68;
let mut inner = Self {
writer,
encryption,
qkey,
header,
hash,
has_key_file,
entries,
key,
common_key: None,
};
if !has_key_file {
let key_path = config.qlie_pack_keyfile.as_ref().unwrap();
let key_data = std::fs::read(key_path)?;
inner.write_key(key_data)?;
}
Ok(inner)
}
fn write_key(&mut self, key_data: Vec<u8>) -> Result<()> {
let entry = &mut self.entries[0];
entry.size = key_data.len() as u32;
entry.offset = self.writer.stream_position()?;
entry.unpacked_size = entry.size;
entry.is_packed = 0;
entry.is_encrypted = 1;
self.common_key = Some(get_common_key(&key_data)?);
let hasher = Encryption31Hasher::new();
let size = entry.size;
let compute = EntryWriter {
entry,
inner: &mut self.writer,
hasher,
};
let mut encryptor =
Encryption31EncryptV1::new(compute, size, QLIE_KEY_FILE.to_string(), self.key)?;
encryptor.write_all(&key_data)?;
Ok(())
}
}
struct Writer<'a> {
inner: Box<dyn Write + 'a>,
mem: MemWriter,
}
impl std::fmt::Debug for Writer<'_> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
f.debug_struct("Writer").field("mem", &self.mem).finish()
}
}
impl<'a> Write for Writer<'a> {
fn write(&mut self, buf: &[u8]) -> std::io::Result<usize> {
self.mem.write(buf)
}
fn flush(&mut self) -> std::io::Result<()> {
self.mem.flush()
}
}
impl<'a> Seek for Writer<'a> {
fn seek(&mut self, pos: std::io::SeekFrom) -> std::io::Result<u64> {
self.mem.seek(pos)
}
fn stream_position(&mut self) -> std::io::Result<u64> {
self.mem.stream_position()
}
fn rewind(&mut self) -> std::io::Result<()> {
self.mem.rewind()
}
}
impl<'a> Drop for Writer<'a> {
fn drop(&mut self) {
let _ = self.inner.write_all(&self.mem.data);
let _ = self.inner.flush();
}
}
struct Writer2<'a, T: Write + Seek> {
inner: &'a mut QliePackArchiveWriterV31<T>,
entry_idx: usize,
mem: MemWriter,
is_v1: bool,
}
impl<'a, T: Write + Seek> Writer2<'a, T> {
fn close(&mut self) -> Result<()> {
let entry = &mut self.inner.entries[self.entry_idx];
entry.size = self.mem.data.len() as u32;
entry.offset = self.inner.writer.stream_position()?;
entry.unpacked_size = entry.size;
entry.is_packed = 0;
let hasher = Encryption31Hasher::new();
let size = entry.size;
let compute = EntryWriter {
entry,
inner: &mut self.inner.writer,
hasher,
};
if self.is_v1 {
compute.entry.is_encrypted = 1;
let name = compute.entry.name.clone();
let mut encryptor = Encryption31EncryptV1::new(compute, size, name, self.inner.key)?;
encryptor.write_all(&self.mem.data)?;
self.inner.common_key = Some(get_common_key(&self.mem.data)?);
} else {
compute.entry.is_encrypted = 2;
let name = compute.entry.name.clone();
let common_key = self
.inner
.common_key
.as_ref()
.ok_or_else(|| anyhow::anyhow!("Common key is not available"))?;
let mut encryptor = Encryption31EncryptV2::new(
compute,
size,
name,
self.inner.key,
common_key.to_vec(),
)?;
encryptor.write_all(&self.mem.data)?;
}
Ok(())
}
}
impl<T: Write + Seek> std::fmt::Debug for Writer2<'_, T> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
f.debug_struct("Writer").field("mem", &self.mem).finish()
}
}
impl<'a, T: Write + Seek> Write for Writer2<'a, T> {
fn write(&mut self, buf: &[u8]) -> std::io::Result<usize> {
self.mem.write(buf)
}
fn flush(&mut self) -> std::io::Result<()> {
self.mem.flush()
}
}
impl<'a, T: Write + Seek> Seek for Writer2<'a, T> {
fn seek(&mut self, pos: std::io::SeekFrom) -> std::io::Result<u64> {
self.mem.seek(pos)
}
fn stream_position(&mut self) -> std::io::Result<u64> {
self.mem.stream_position()
}
fn rewind(&mut self) -> std::io::Result<()> {
self.mem.rewind()
}
}
impl<'a, T: Write + Seek> Drop for Writer2<'a, T> {
fn drop(&mut self) {
let _ = self.close();
}
}
struct EntryWriter<'a, T: Write> {
entry: &'a mut QlieEntry,
inner: T,
hasher: Encryption31Hasher,
}
impl<'a, T: Write> Write for EntryWriter<'a, T> {
fn write(&mut self, buf: &[u8]) -> std::io::Result<usize> {
let writed = self.inner.write(buf)?;
self.hasher
.update(&buf[..writed])
.map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, e))?;
Ok(writed)
}
fn flush(&mut self) -> std::io::Result<()> {
self.inner.flush()
}
}
impl<'a, T: Write> Drop for EntryWriter<'a, T> {
fn drop(&mut self) {
if let Ok(hash) = self.hasher.finalize() {
self.entry.hash = hash;
}
}
}
impl<T: Write + Seek> Archive for QliePackArchiveWriterV31<T> {
fn prelist<'a>(&'a self) -> Result<Option<Box<dyn Iterator<Item = Result<String>> + 'a>>> {
if !self.has_key_file {
Ok(None)
} else {
let iter = std::iter::once(Ok(QLIE_KEY_FILE.to_string()));
Ok(Some(Box::new(iter)))
}
}
fn new_file<'a>(
&'a mut self,
name: &str,
size: Option<u64>,
) -> Result<Box<dyn WriteSeek + 'a>> {
let inner = self.new_file_non_seek(name, size)?;
Ok(Box::new(Writer {
inner,
mem: MemWriter::new(),
}))
}
fn new_file_non_seek<'a>(
&'a mut self,
name: &str,
size: Option<u64>,
) -> Result<Box<dyn Write + 'a>> {
if self.common_key.is_none() {
if name != QLIE_KEY_FILE {
anyhow::bail!("Common key is not available before writing key file");
}
let entry_idx = self
.entries
.iter()
.position(|e| e.name == name)
.ok_or_else(|| anyhow::anyhow!("File {} not found in entries", name))?;
return Ok(Box::new(Writer2 {
inner: self,
entry_idx,
mem: MemWriter::new(),
is_v1: true,
}));
}
if size.is_none() {
let entry_idx = self
.entries
.iter()
.position(|e| e.name == name)
.ok_or_else(|| anyhow::anyhow!("File {} not found in entries", name))?;
return Ok(Box::new(Writer2 {
inner: self,
entry_idx,
mem: MemWriter::new(),
is_v1: false,
}));
}
let entry_idx = self
.entries
.iter()
.position(|e| e.name == name)
.ok_or_else(|| anyhow::anyhow!("File {} not found in entries", name))?;
let entry = &mut self.entries[entry_idx];
entry.size = size.unwrap() as u32;
entry.offset = self.writer.stream_position()?;
entry.unpacked_size = entry.size;
entry.is_packed = 0;
entry.is_encrypted = 2;
let common_key = self
.common_key
.as_ref()
.ok_or_else(|| anyhow::anyhow!("Common key is not available"))?;
let hasher = Encryption31Hasher::new();
let size = entry.size;
let compute = EntryWriter {
entry,
inner: &mut self.writer,
hasher,
};
let encryptor = Encryption31EncryptV2::new(
compute,
size,
name.to_string(),
self.key,
common_key.to_vec(),
)?;
Ok(Box::new(encryptor))
}
fn write_header(&mut self) -> Result<()> {
self.header.index_offset = self.writer.stream_position()?;
for entry in &self.entries {
let name_length = entry.name.encode_utf16().count() as u16;
self.writer.write_u16(name_length)?;
let mut encoded = encode_string(Encoding::Utf16LE, &entry.name, true)?;
self.encryption
.encrypt_name(&mut encoded, self.key as i32)?;
self.writer.write_all(&encoded)?;
self.writer.write_u64(entry.offset)?;
self.writer.write_u32(entry.size)?;
self.writer.write_u32(entry.unpacked_size)?;
self.writer.write_u32(entry.is_packed)?;
self.writer.write_u32(entry.is_encrypted)?;
self.writer.write_u32(entry.hash)?;
}
self.writer
.write_struct(&self.hash, false, Encoding::Utf8, &None)?;
self.writer
.write_struct(&self.qkey, false, Encoding::Utf8, &None)?;
self.writer
.write_struct(&self.header, false, Encoding::Utf8, &None)?;
Ok(())
}
}
#[test]
fn test_drop_mlist() {
use std::sync::Arc;
use std::sync::atomic::{AtomicI32, Ordering};
let t = Arc::new(AtomicI32::new(0));
struct Test {
value: i32,
t: Arc<AtomicI32>,
}
impl Test {
fn new(value: i32, t: Arc<AtomicI32>) -> Self {
Self { value, t }
}
}
impl Drop for Test {
fn drop(&mut self) {
self.t.fetch_add(self.value, Ordering::SeqCst);
}
}
{
let mut list: MList<Test> = MList::new();
list.push(Test::new(1, t.clone()), true);
list.push(Test::new(2, t.clone()), true);
list.push(Test::new(3, t.clone()), true);
}
let v = t.load(Ordering::SeqCst);
assert_eq!(v, 6);
}
#[test]
fn test_mlist() {
let mut list = MList::new();
list.push(1, true);
list.push(2, true);
list.push(3, true);
assert_eq!(list.depth, 3);
assert_eq!(list.pop(false), Some(1));
assert_eq!(list.depth, 2);
assert_eq!(list.pop(false), Some(2));
assert_eq!(list.depth, 1);
assert_eq!(list.pop(false), Some(3));
assert_eq!(list.depth, 0);
assert_eq!(list.pop(false), None);
}