Compare commits
6 Commits
| Author | SHA1 | Date | |
|---|---|---|---|
|
ac24488444 | ||
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df26b028b6 | ||
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38d1cc1b6d | ||
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66e078363c | ||
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b1f90a55b6 | ||
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a9436a3a7a |
285
Cargo.lock
generated
285
Cargo.lock
generated
@@ -2,6 +2,289 @@
|
||||
# It is not intended for manual editing.
|
||||
version = 4
|
||||
|
||||
[[package]]
|
||||
name = "aes"
|
||||
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|
||||
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|
||||
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|
||||
dependencies = [
|
||||
"cfg-if",
|
||||
"cipher",
|
||||
"cpufeatures",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
"anstyle",
|
||||
"anstyle-parse",
|
||||
"anstyle-query",
|
||||
"anstyle-wincon",
|
||||
"colorchoice",
|
||||
"is_terminal_polyfill",
|
||||
"utf8parse",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
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|
||||
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||||
|
||||
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||||
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|
||||
|
||||
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||||
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||||
|
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||||
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||||
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|
||||
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|
||||
|
||||
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||||
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||||
|
||||
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||||
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|
||||
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||||
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||||
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|
||||
|
||||
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|
||||
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||||
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||||
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||||
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||||
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||||
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||||
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|
||||
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||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
|
||||
[[package]]
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||||
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"generic-array",
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"typenum",
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[[package]]
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name = "windows-sys"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ae137229bcbd6cdf0f7b80a31df61766145077ddf49416a728b02cb3921ff3fc"
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dependencies = [
|
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"windows-link",
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]
|
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|
||||
[[package]]
|
||||
name = "xex2tractor"
|
||||
version = "0.1.0"
|
||||
version = "0.4.0"
|
||||
dependencies = [
|
||||
"aes",
|
||||
"cbc",
|
||||
"clap",
|
||||
]
|
||||
|
||||
@@ -1,8 +1,11 @@
|
||||
[package]
|
||||
name = "xex2tractor"
|
||||
version = "0.1.0"
|
||||
version = "0.4.0"
|
||||
edition = "2024"
|
||||
description = "A tool for extracting and inspecting Xbox 360 XEX2 executable files"
|
||||
license = "MIT"
|
||||
|
||||
[dependencies]
|
||||
aes = "0.8.4"
|
||||
cbc = "0.1.2"
|
||||
clap = { version = "4.6.0", features = ["derive"] }
|
||||
|
||||
40
README.md
40
README.md
@@ -18,6 +18,46 @@ Header Size: 0x00003000 (12288 bytes)
|
||||
Reserved: 0x00000000
|
||||
Security Offset: 0x00000090
|
||||
Header Count: 15
|
||||
|
||||
=== Optional Headers (15 entries) ===
|
||||
|
||||
[ENTRY_POINT] 0x824AB748
|
||||
[IMAGE_BASE_ADDRESS] 0x82000000
|
||||
[DEFAULT_STACK_SIZE] 0x00080000 (524288 bytes)
|
||||
[SYSTEM_FLAGS] 0x00000400 [PAL50_INCOMPATIBLE]
|
||||
|
||||
[EXECUTION_INFO]
|
||||
Media ID: 0x2D2E2EEB
|
||||
Title ID: 0x535107D4
|
||||
Version: 0.0.0.2
|
||||
...
|
||||
|
||||
[FILE_FORMAT_INFO]
|
||||
Encryption: Normal (AES-128-CBC)
|
||||
Compression: Normal (LZX)
|
||||
|
||||
[STATIC_LIBRARIES] (12 libraries)
|
||||
XAPILIB 2.0.3215.0 (Unknown(64))
|
||||
D3D9 2.0.3215.1 (Unknown(64))
|
||||
...
|
||||
|
||||
[IMPORT_LIBRARIES] (2 libraries)
|
||||
xam.xex v2.0.4552.0 (min v2.0.4552.0) - 104 imports
|
||||
xboxkrnl.exe v2.0.4552.0 (min v2.0.4552.0) - 294 imports
|
||||
|
||||
=== Security Info ===
|
||||
Header Size: 0x00000F34 (3892 bytes)
|
||||
Image Size: 0x00920000 (9568256 bytes)
|
||||
RSA Signature: 2C94EBE6...11A6E8AA (256 bytes)
|
||||
Image Flags: 0x00000008 [XGD2_MEDIA_ONLY]
|
||||
Load Address: 0x82000000
|
||||
Region: 0xFFFFFFFF [ALL REGIONS]
|
||||
Allowed Media Types: 0x00000004 [DVD_CD]
|
||||
...
|
||||
|
||||
Page Descriptors (146 entries, 64KB pages):
|
||||
#0 Unknown(0) 19 pages ( 1245184 bytes) offset +0x00000000 SHA1: B136058FBBAD...
|
||||
...
|
||||
```
|
||||
|
||||
## Building
|
||||
|
||||
178
src/crypto.rs
Normal file
178
src/crypto.rs
Normal file
@@ -0,0 +1,178 @@
|
||||
/// AES-128-CBC decryption for XEX2 session key derivation and payload decryption.
|
||||
use aes::Aes128;
|
||||
use cbc::cipher::{BlockDecryptMut, KeyIvInit};
|
||||
|
||||
use crate::error::{Result, Xex2Error};
|
||||
|
||||
type Aes128CbcDec = cbc::Decryptor<Aes128>;
|
||||
|
||||
/// Well-known XEX2 retail AES-128 master key.
|
||||
pub const XEX2_RETAIL_KEY: [u8; 16] = [
|
||||
0x20, 0xB1, 0x85, 0xA5, 0x9D, 0x28, 0xFD, 0xC3, 0x40, 0x58, 0x3F, 0xBB, 0x08, 0x96, 0xBF,
|
||||
0x91,
|
||||
];
|
||||
|
||||
/// Well-known XEX2 devkit AES-128 master key (all zeros).
|
||||
pub const XEX2_DEVKIT_KEY: [u8; 16] = [0u8; 16];
|
||||
|
||||
/// Well-known XEX1 retail AES-128 master key.
|
||||
pub const XEX1_RETAIL_KEY: [u8; 16] = [
|
||||
0xA2, 0x6C, 0x10, 0xF7, 0x1F, 0xD9, 0x35, 0xE9, 0x8B, 0x99, 0x92, 0x2C, 0xE9, 0x32, 0x15,
|
||||
0x72,
|
||||
];
|
||||
|
||||
/// Master keys tried in order during session key derivation.
|
||||
const MASTER_KEYS: &[[u8; 16]] = &[XEX2_RETAIL_KEY, XEX2_DEVKIT_KEY, XEX1_RETAIL_KEY];
|
||||
|
||||
/// Zero IV used for all XEX2 AES-128-CBC operations.
|
||||
const ZERO_IV: [u8; 16] = [0u8; 16];
|
||||
|
||||
/// Decrypts a 16-byte block using AES-128-CBC with a zero IV.
|
||||
fn aes128_cbc_decrypt_block(key: &[u8; 16], encrypted: &[u8; 16]) -> [u8; 16] {
|
||||
let mut block = encrypted.to_owned();
|
||||
let decryptor = Aes128CbcDec::new(key.into(), &ZERO_IV.into());
|
||||
decryptor
|
||||
.decrypt_padded_mut::<cbc::cipher::block_padding::NoPadding>(&mut block)
|
||||
.expect("decryption of exactly one block should not fail");
|
||||
block
|
||||
}
|
||||
|
||||
/// Derives the session key by decrypting the encrypted AES key from security info.
|
||||
///
|
||||
/// Tries master keys in order: XEX2 retail, XEX2 devkit, XEX1 retail.
|
||||
/// Returns the session key derived using the first master key (retail by default).
|
||||
/// Actual validation of which key is correct happens later when checking for a valid PE header.
|
||||
pub fn derive_session_key(encrypted_key: &[u8; 16]) -> [u8; 16] {
|
||||
// For now, always use retail key. Key trial with validation will be added in M6.
|
||||
aes128_cbc_decrypt_block(&XEX2_RETAIL_KEY, encrypted_key)
|
||||
}
|
||||
|
||||
/// Tries all master keys and returns the session key that produces a valid decryption.
|
||||
///
|
||||
/// `validator` is called with the derived session key and should return `true` if
|
||||
/// the key produces valid output (e.g., decrypted data starts with MZ signature).
|
||||
pub fn derive_session_key_with_validation(
|
||||
encrypted_key: &[u8; 16],
|
||||
validator: impl Fn(&[u8; 16]) -> bool,
|
||||
) -> Result<[u8; 16]> {
|
||||
for master_key in MASTER_KEYS {
|
||||
let session_key = aes128_cbc_decrypt_block(master_key, encrypted_key);
|
||||
if validator(&session_key) {
|
||||
return Ok(session_key);
|
||||
}
|
||||
}
|
||||
Err(Xex2Error::DecryptionFailed)
|
||||
}
|
||||
|
||||
/// Decrypts data in-place using AES-128-CBC with a zero IV.
|
||||
///
|
||||
/// The data length must be a multiple of 16 bytes (AES block size).
|
||||
/// Any trailing bytes that don't fill a complete block are left unchanged.
|
||||
pub fn decrypt_in_place(session_key: &[u8; 16], data: &mut [u8]) {
|
||||
let block_len = data.len() - (data.len() % 16);
|
||||
if block_len == 0 {
|
||||
return;
|
||||
}
|
||||
let decryptor = Aes128CbcDec::new(session_key.into(), &ZERO_IV.into());
|
||||
decryptor
|
||||
.decrypt_padded_mut::<cbc::cipher::block_padding::NoPadding>(&mut data[..block_len])
|
||||
.expect("decryption with NoPadding on aligned data should not fail");
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
|
||||
#[test]
|
||||
fn test_master_key_constants() {
|
||||
// Verify retail key starts with expected bytes
|
||||
assert_eq!(XEX2_RETAIL_KEY[0], 0x20);
|
||||
assert_eq!(XEX2_RETAIL_KEY[15], 0x91);
|
||||
|
||||
// Devkit key is all zeros
|
||||
assert!(XEX2_DEVKIT_KEY.iter().all(|&b| b == 0));
|
||||
|
||||
// XEX1 key starts with expected bytes
|
||||
assert_eq!(XEX1_RETAIL_KEY[0], 0xA2);
|
||||
assert_eq!(XEX1_RETAIL_KEY[15], 0x72);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_decrypt_block_deterministic() {
|
||||
let input = [0u8; 16];
|
||||
let result1 = aes128_cbc_decrypt_block(&XEX2_RETAIL_KEY, &input);
|
||||
let result2 = aes128_cbc_decrypt_block(&XEX2_RETAIL_KEY, &input);
|
||||
assert_eq!(result1, result2);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_decrypt_block_different_keys_differ() {
|
||||
let input = [0x42u8; 16];
|
||||
let retail = aes128_cbc_decrypt_block(&XEX2_RETAIL_KEY, &input);
|
||||
let devkit = aes128_cbc_decrypt_block(&XEX2_DEVKIT_KEY, &input);
|
||||
assert_ne!(retail, devkit);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_derive_session_key_from_sample() {
|
||||
// The sample file's encrypted AES key starts with 0xEACB
|
||||
let encrypted: [u8; 16] = [
|
||||
0xEA, 0xCB, 0x4C, 0x2E, 0x0D, 0xBA, 0x85, 0x36, 0xCF, 0xB2, 0x65, 0x3C, 0xBB, 0xBF,
|
||||
0x2E, 0xFC,
|
||||
];
|
||||
let session_key = derive_session_key(&encrypted);
|
||||
// Session key should be non-zero (decryption worked)
|
||||
assert!(!session_key.iter().all(|&b| b == 0));
|
||||
// Session key should differ from input
|
||||
assert_ne!(&session_key[..], &encrypted[..]);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_derive_session_key_with_validation_finds_key() {
|
||||
let encrypted = [0x42u8; 16];
|
||||
// Validator that always accepts retail key result
|
||||
let retail_result = aes128_cbc_decrypt_block(&XEX2_RETAIL_KEY, &encrypted);
|
||||
let result = derive_session_key_with_validation(&encrypted, |key| *key == retail_result);
|
||||
assert!(result.is_ok());
|
||||
assert_eq!(result.unwrap(), retail_result);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_derive_session_key_with_validation_fails() {
|
||||
let encrypted = [0x42u8; 16];
|
||||
let result = derive_session_key_with_validation(&encrypted, |_| false);
|
||||
assert!(result.is_err());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_decrypt_in_place_roundtrip() {
|
||||
// Encrypt then decrypt should give back original
|
||||
// Since we only have decrypt, verify it's deterministic
|
||||
let key = [0x01u8; 16];
|
||||
let mut data = [0xABu8; 32];
|
||||
let original = data;
|
||||
decrypt_in_place(&key, &mut data);
|
||||
// Decrypted data should differ from encrypted
|
||||
assert_ne!(data, original);
|
||||
// Decrypting again should give different result (CBC is not self-inverse)
|
||||
let decrypted_once = data;
|
||||
decrypt_in_place(&key, &mut data);
|
||||
assert_ne!(data, decrypted_once);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_decrypt_in_place_empty() {
|
||||
let key = [0u8; 16];
|
||||
let mut data: [u8; 0] = [];
|
||||
decrypt_in_place(&key, &mut data); // Should not panic
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_decrypt_in_place_partial_block() {
|
||||
let key = [0u8; 16];
|
||||
let mut data = [0xFFu8; 20]; // 16 + 4 trailing bytes
|
||||
decrypt_in_place(&key, &mut data);
|
||||
// Last 4 bytes should be unchanged
|
||||
assert_eq!(data[16..], [0xFF, 0xFF, 0xFF, 0xFF]);
|
||||
}
|
||||
}
|
||||
294
src/display.rs
294
src/display.rs
@@ -1,5 +1,9 @@
|
||||
/// Pretty-print formatting for parsed XEX2 structures.
|
||||
use crate::header::Xex2Header;
|
||||
use crate::optional::{
|
||||
format_hex_bytes, format_rating, format_timestamp, CompressionInfo, HeaderKey, OptionalHeaders,
|
||||
};
|
||||
use crate::security::SecurityInfo;
|
||||
|
||||
/// Prints the XEX2 main header in a human-readable format.
|
||||
pub fn display_header(header: &Xex2Header) {
|
||||
@@ -14,3 +18,293 @@ pub fn display_header(header: &Xex2Header) {
|
||||
println!("Security Offset: 0x{:08X}", header.security_offset);
|
||||
println!("Header Count: {}", header.header_count);
|
||||
}
|
||||
|
||||
/// Prints all parsed optional headers in a human-readable format.
|
||||
pub fn display_optional_headers(headers: &OptionalHeaders) {
|
||||
println!();
|
||||
println!("=== Optional Headers ({} entries) ===", headers.entries.len());
|
||||
|
||||
// Display inline u32 values first
|
||||
if let Some(v) = headers.entry_point {
|
||||
println!();
|
||||
println!("[ENTRY_POINT] 0x{v:08X}");
|
||||
}
|
||||
if let Some(v) = headers.original_base_address {
|
||||
println!("[ORIGINAL_BASE_ADDRESS] 0x{v:08X}");
|
||||
}
|
||||
if let Some(v) = headers.image_base_address {
|
||||
println!("[IMAGE_BASE_ADDRESS] 0x{v:08X}");
|
||||
}
|
||||
if let Some(v) = headers.default_stack_size {
|
||||
println!("[DEFAULT_STACK_SIZE] 0x{v:08X} ({v} bytes)");
|
||||
}
|
||||
if let Some(v) = headers.default_filesystem_cache_size {
|
||||
println!("[DEFAULT_FILESYSTEM_CACHE_SIZE] 0x{v:08X} ({v} bytes)");
|
||||
}
|
||||
if let Some(v) = headers.default_heap_size {
|
||||
println!("[DEFAULT_HEAP_SIZE] 0x{v:08X} ({v} bytes)");
|
||||
}
|
||||
if let Some(v) = headers.title_workspace_size {
|
||||
println!("[TITLE_WORKSPACE_SIZE] 0x{v:08X} ({v} bytes)");
|
||||
}
|
||||
if let Some(v) = headers.additional_title_memory {
|
||||
println!("[ADDITIONAL_TITLE_MEMORY] 0x{v:08X} ({v} bytes)");
|
||||
}
|
||||
if let Some(v) = headers.enabled_for_fastcap {
|
||||
println!("[ENABLED_FOR_FASTCAP] 0x{v:08X}");
|
||||
}
|
||||
|
||||
// System flags
|
||||
if let Some(ref flags) = headers.system_flags {
|
||||
println!("[SYSTEM_FLAGS] {flags}");
|
||||
}
|
||||
|
||||
// Execution info
|
||||
if let Some(ref exec) = headers.execution_info {
|
||||
println!();
|
||||
println!("[EXECUTION_INFO]");
|
||||
println!(" Media ID: 0x{:08X}", exec.media_id);
|
||||
println!(" Title ID: 0x{:08X}", exec.title_id);
|
||||
println!(" Version: {}", exec.version);
|
||||
println!(" Base Version: {}", exec.base_version);
|
||||
println!(" Platform: {}", exec.platform);
|
||||
println!(" Executable Type: {}", exec.executable_type);
|
||||
println!(" Disc: {}/{}", exec.disc_number, exec.disc_count);
|
||||
println!(" Savegame ID: 0x{:08X}", exec.savegame_id);
|
||||
}
|
||||
|
||||
// File format info
|
||||
if let Some(ref fmt) = headers.file_format_info {
|
||||
println!();
|
||||
println!("[FILE_FORMAT_INFO]");
|
||||
println!(" Encryption: {}", fmt.encryption_type);
|
||||
println!(" Compression: {}", fmt.compression_type);
|
||||
match &fmt.compression_info {
|
||||
CompressionInfo::Basic { blocks } => {
|
||||
println!(" Blocks: {} basic compression blocks", blocks.len());
|
||||
}
|
||||
CompressionInfo::Normal {
|
||||
window_size,
|
||||
first_block,
|
||||
} => {
|
||||
println!(
|
||||
" Window Size: 0x{window_size:X} ({} KB)",
|
||||
window_size / 1024
|
||||
);
|
||||
println!(
|
||||
" First Block: {} bytes",
|
||||
first_block.block_size
|
||||
);
|
||||
}
|
||||
_ => {}
|
||||
}
|
||||
}
|
||||
|
||||
// Checksum + timestamp
|
||||
if let Some(ref ct) = headers.checksum_timestamp {
|
||||
println!();
|
||||
println!("[CHECKSUM_TIMESTAMP]");
|
||||
println!(" Checksum: 0x{:08X}", ct.checksum);
|
||||
println!(
|
||||
" Timestamp: 0x{:08X} ({})",
|
||||
ct.timestamp,
|
||||
format_timestamp(ct.timestamp)
|
||||
);
|
||||
}
|
||||
|
||||
// Original PE name
|
||||
if let Some(ref name) = headers.original_pe_name {
|
||||
println!();
|
||||
println!("[ORIGINAL_PE_NAME] \"{name}\"");
|
||||
}
|
||||
|
||||
// Bounding path
|
||||
if let Some(ref path) = headers.bounding_path {
|
||||
println!("[BOUNDING_PATH] \"{path}\"");
|
||||
}
|
||||
|
||||
// TLS info
|
||||
if let Some(ref tls) = headers.tls_info {
|
||||
println!();
|
||||
println!("[TLS_INFO]");
|
||||
println!(" Slot Count: {}", tls.slot_count);
|
||||
println!(" Raw Data Address: 0x{:08X}", tls.raw_data_address);
|
||||
println!(" Data Size: {} bytes", tls.data_size);
|
||||
println!(" Raw Data Size: {} bytes", tls.raw_data_size);
|
||||
}
|
||||
|
||||
// Static libraries
|
||||
if let Some(ref libs) = headers.static_libraries {
|
||||
println!();
|
||||
println!("[STATIC_LIBRARIES] ({} libraries)", libs.len());
|
||||
for lib in libs {
|
||||
println!(" {lib}");
|
||||
}
|
||||
}
|
||||
|
||||
// Import libraries
|
||||
if let Some(ref imports) = headers.import_libraries {
|
||||
println!();
|
||||
println!("[IMPORT_LIBRARIES] ({} libraries)", imports.libraries.len());
|
||||
for lib in &imports.libraries {
|
||||
println!(
|
||||
" {} v{} (min v{}) - {} imports",
|
||||
lib.name, lib.version, lib.version_min, lib.record_count
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
// Resource info
|
||||
if let Some(ref resources) = headers.resource_info {
|
||||
println!();
|
||||
println!("[RESOURCE_INFO] ({} entries)", resources.len());
|
||||
for res in resources {
|
||||
println!(
|
||||
" \"{}\" @ 0x{:08X}, size: {} bytes",
|
||||
res.name, res.address, res.size
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
// Game ratings
|
||||
if let Some(ref ratings) = headers.game_ratings {
|
||||
println!();
|
||||
println!("[GAME_RATINGS]");
|
||||
println!(" ESRB: {} | PEGI: {} | PEGI-FI: {} | PEGI-PT: {}",
|
||||
format_rating(ratings.esrb), format_rating(ratings.pegi),
|
||||
format_rating(ratings.pegi_fi), format_rating(ratings.pegi_pt));
|
||||
println!(" BBFC: {} | CERO: {} | USK: {} | OFLC-AU: {}",
|
||||
format_rating(ratings.bbfc), format_rating(ratings.cero),
|
||||
format_rating(ratings.usk), format_rating(ratings.oflc_au));
|
||||
println!(" OFLC-NZ: {} | KMRB: {} | Brazil: {} | FPB: {}",
|
||||
format_rating(ratings.oflc_nz), format_rating(ratings.kmrb),
|
||||
format_rating(ratings.brazil), format_rating(ratings.fpb));
|
||||
}
|
||||
|
||||
// LAN key
|
||||
if let Some(ref key) = headers.lan_key {
|
||||
println!();
|
||||
println!("[LAN_KEY] {}", format_hex_bytes(key));
|
||||
}
|
||||
|
||||
// Callcap imports
|
||||
if let Some(ref callcap) = headers.enabled_for_callcap {
|
||||
println!();
|
||||
println!("[ENABLED_FOR_CALLCAP]");
|
||||
println!(" Start Thunk: 0x{:08X}", callcap.start_func_thunk_addr);
|
||||
println!(" End Thunk: 0x{:08X}", callcap.end_func_thunk_addr);
|
||||
}
|
||||
|
||||
// Exports by name
|
||||
if let Some(ref dir) = headers.exports_by_name {
|
||||
println!();
|
||||
println!("[EXPORTS_BY_NAME]");
|
||||
println!(" Offset: 0x{:08X}", dir.offset);
|
||||
println!(" Size: {} bytes", dir.size);
|
||||
}
|
||||
|
||||
// Xbox 360 logo
|
||||
if let Some(size) = headers.xbox360_logo_size {
|
||||
println!();
|
||||
println!("[XBOX360_LOGO] {size} bytes");
|
||||
}
|
||||
|
||||
// Unknown headers
|
||||
for entry in &headers.entries {
|
||||
if let HeaderKey::Unknown(raw) = entry.key {
|
||||
println!();
|
||||
println!(
|
||||
"[UNKNOWN(0x{raw:08X})] value/offset: 0x{:08X}",
|
||||
entry.value
|
||||
);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// Prints the security info in a human-readable format.
|
||||
pub fn display_security_info(security: &SecurityInfo) {
|
||||
println!();
|
||||
println!("=== Security Info ===");
|
||||
println!(
|
||||
"Header Size: 0x{:08X} ({} bytes)",
|
||||
security.header_size, security.header_size
|
||||
);
|
||||
println!(
|
||||
"Image Size: 0x{:08X} ({} bytes)",
|
||||
security.image_size, security.image_size
|
||||
);
|
||||
|
||||
// RSA signature — show first 8 and last 8 bytes
|
||||
let sig = &security.rsa_signature;
|
||||
println!(
|
||||
"RSA Signature: {}...{} (256 bytes)",
|
||||
sig[..4].iter().map(|b| format!("{b:02X}")).collect::<String>(),
|
||||
sig[252..].iter().map(|b| format!("{b:02X}")).collect::<String>()
|
||||
);
|
||||
|
||||
println!("Unknown (0x108): 0x{:08X}", security.unk_108);
|
||||
println!("Image Flags: {}", security.image_flags);
|
||||
println!("Load Address: 0x{:08X}", security.load_address);
|
||||
println!(
|
||||
"Section Digest: {}",
|
||||
format_hex_bytes(&security.section_digest)
|
||||
);
|
||||
println!("Import Table Count: {}", security.import_table_count);
|
||||
println!(
|
||||
"Import Table Digest: {}",
|
||||
format_hex_bytes(&security.import_table_digest)
|
||||
);
|
||||
println!(
|
||||
"XGD2 Media ID: {}",
|
||||
security
|
||||
.xgd2_media_id
|
||||
.iter()
|
||||
.map(|b| format!("{b:02X}"))
|
||||
.collect::<String>()
|
||||
);
|
||||
println!(
|
||||
"AES Key (encrypted): {}",
|
||||
format_hex_bytes(&security.aes_key)
|
||||
);
|
||||
|
||||
if security.export_table == 0 {
|
||||
println!("Export Table: 0x00000000 (none)");
|
||||
} else {
|
||||
println!("Export Table: 0x{:08X}", security.export_table);
|
||||
}
|
||||
|
||||
println!(
|
||||
"Header Digest: {}",
|
||||
format_hex_bytes(&security.header_digest)
|
||||
);
|
||||
println!("Region: {}", security.region);
|
||||
println!("Allowed Media Types: {}", security.allowed_media_types);
|
||||
|
||||
// Page descriptors
|
||||
println!();
|
||||
let page_size = security.image_flags.page_size();
|
||||
let page_size_label = if page_size == 0x1000 { "4KB" } else { "64KB" };
|
||||
println!(
|
||||
"Page Descriptors ({} entries, {} pages):",
|
||||
security.page_descriptor_count, page_size_label
|
||||
);
|
||||
|
||||
let mut address_offset: u64 = 0;
|
||||
for (i, desc) in security.page_descriptors.iter().enumerate() {
|
||||
let digest_preview: String = desc.data_digest[..6]
|
||||
.iter()
|
||||
.map(|b| format!("{b:02X}"))
|
||||
.collect();
|
||||
let size = desc.page_count as u64 * page_size as u64;
|
||||
println!(
|
||||
" #{i:<4} {:<10} {:<4} pages ({:>8} bytes) offset +0x{address_offset:08X} SHA1: {digest_preview}...",
|
||||
desc.section_type.to_string(),
|
||||
desc.page_count,
|
||||
size
|
||||
);
|
||||
address_offset += size;
|
||||
}
|
||||
println!(
|
||||
" Total mapped size: 0x{address_offset:X} ({address_offset} bytes)"
|
||||
);
|
||||
}
|
||||
|
||||
@@ -18,6 +18,10 @@ pub enum Xex2Error {
|
||||
},
|
||||
/// A string field contains invalid UTF-8.
|
||||
Utf8Error(std::str::Utf8Error),
|
||||
/// AES decryption failed — no master key produced valid output.
|
||||
DecryptionFailed,
|
||||
/// Decompression failed.
|
||||
DecompressionFailed(String),
|
||||
}
|
||||
|
||||
impl fmt::Display for Xex2Error {
|
||||
@@ -41,6 +45,10 @@ impl fmt::Display for Xex2Error {
|
||||
)
|
||||
}
|
||||
Xex2Error::Utf8Error(err) => write!(f, "invalid UTF-8: {err}"),
|
||||
Xex2Error::DecryptionFailed => {
|
||||
write!(f, "decryption failed: no master key produced valid output")
|
||||
}
|
||||
Xex2Error::DecompressionFailed(msg) => write!(f, "decompression failed: {msg}"),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
17
src/lib.rs
17
src/lib.rs
@@ -6,19 +6,28 @@
|
||||
//! provides types and functions to parse the binary format and extract
|
||||
//! structured information from XEX2 files.
|
||||
|
||||
pub mod crypto;
|
||||
pub mod display;
|
||||
pub mod error;
|
||||
pub mod header;
|
||||
pub mod optional;
|
||||
pub mod security;
|
||||
pub mod util;
|
||||
|
||||
use error::Result;
|
||||
use header::Xex2Header;
|
||||
use optional::OptionalHeaders;
|
||||
use security::SecurityInfo;
|
||||
|
||||
/// A parsed XEX2 file containing all extracted structures.
|
||||
#[derive(Debug)]
|
||||
pub struct Xex2File {
|
||||
/// The main XEX2 header (magic, flags, sizes, offsets).
|
||||
pub header: Xex2Header,
|
||||
/// All parsed optional headers.
|
||||
pub optional_headers: OptionalHeaders,
|
||||
/// Security info (signatures, keys, page descriptors).
|
||||
pub security_info: SecurityInfo,
|
||||
}
|
||||
|
||||
/// Parses an XEX2 file from a byte slice.
|
||||
@@ -27,6 +36,12 @@ pub struct Xex2File {
|
||||
/// Returns a [`Xex2File`] with all successfully parsed structures.
|
||||
pub fn parse(data: &[u8]) -> Result<Xex2File> {
|
||||
let header = header::parse_header(data)?;
|
||||
let optional_headers = optional::parse_optional_headers(data, &header)?;
|
||||
let security_info = security::parse_security_info(data, header.security_offset)?;
|
||||
|
||||
Ok(Xex2File { header })
|
||||
Ok(Xex2File {
|
||||
header,
|
||||
optional_headers,
|
||||
security_info,
|
||||
})
|
||||
}
|
||||
|
||||
72
src/main.rs
72
src/main.rs
@@ -1,29 +1,77 @@
|
||||
use clap::{Parser, Subcommand};
|
||||
use std::path::PathBuf;
|
||||
use std::process;
|
||||
|
||||
/// A tool for extracting and inspecting Xbox 360 XEX2 executable files.
|
||||
#[derive(Parser)]
|
||||
#[command(name = "xex2tractor", version, about)]
|
||||
struct Cli {
|
||||
#[command(subcommand)]
|
||||
command: Command,
|
||||
}
|
||||
|
||||
#[derive(Subcommand)]
|
||||
enum Command {
|
||||
/// Display XEX2 file information (headers, security info, etc.)
|
||||
Inspect {
|
||||
/// Path to the XEX2 file
|
||||
file: PathBuf,
|
||||
},
|
||||
/// Extract the PE image from a XEX2 file
|
||||
Extract {
|
||||
/// Path to the XEX2 file
|
||||
file: PathBuf,
|
||||
/// Output path for the extracted PE file (default: same name with .exe extension)
|
||||
output: Option<PathBuf>,
|
||||
},
|
||||
}
|
||||
|
||||
fn main() {
|
||||
let path = match std::env::args().nth(1) {
|
||||
Some(p) => p,
|
||||
None => {
|
||||
eprintln!("Usage: xex2tractor <file.xex>");
|
||||
let cli = Cli::parse();
|
||||
|
||||
match cli.command {
|
||||
Command::Inspect { file } => cmd_inspect(&file),
|
||||
Command::Extract { file, output } => cmd_extract(&file, output),
|
||||
}
|
||||
}
|
||||
|
||||
fn cmd_inspect(path: &PathBuf) {
|
||||
let data = read_file(path);
|
||||
let xex = parse_xex(&data);
|
||||
|
||||
xex2tractor::display::display_header(&xex.header);
|
||||
xex2tractor::display::display_optional_headers(&xex.optional_headers);
|
||||
xex2tractor::display::display_security_info(&xex.security_info);
|
||||
}
|
||||
|
||||
fn cmd_extract(path: &PathBuf, output: Option<PathBuf>) {
|
||||
let _output_path = output.unwrap_or_else(|| path.with_extension("exe"));
|
||||
|
||||
let data = read_file(path);
|
||||
let _xex = parse_xex(&data);
|
||||
|
||||
// TODO(M5): decrypt + decompress pipeline
|
||||
// TODO(M6): verify PE and write to output_path
|
||||
eprintln!("Error: extraction not yet implemented (coming in M5/M6)");
|
||||
process::exit(1);
|
||||
}
|
||||
};
|
||||
|
||||
let data = match std::fs::read(&path) {
|
||||
fn read_file(path: &PathBuf) -> Vec<u8> {
|
||||
match std::fs::read(path) {
|
||||
Ok(d) => d,
|
||||
Err(e) => {
|
||||
eprintln!("Error reading {path}: {e}");
|
||||
eprintln!("Error reading {}: {e}", path.display());
|
||||
process::exit(1);
|
||||
}
|
||||
};
|
||||
}
|
||||
}
|
||||
|
||||
let xex = match xex2tractor::parse(&data) {
|
||||
fn parse_xex(data: &[u8]) -> xex2tractor::Xex2File {
|
||||
match xex2tractor::parse(data) {
|
||||
Ok(x) => x,
|
||||
Err(e) => {
|
||||
eprintln!("Error parsing XEX2: {e}");
|
||||
process::exit(1);
|
||||
}
|
||||
};
|
||||
|
||||
xex2tractor::display::display_header(&xex.header);
|
||||
}
|
||||
}
|
||||
|
||||
1309
src/optional.rs
Normal file
1309
src/optional.rs
Normal file
File diff suppressed because it is too large
Load Diff
510
src/security.rs
Normal file
510
src/security.rs
Normal file
@@ -0,0 +1,510 @@
|
||||
/// XEX2 security info parsing.
|
||||
///
|
||||
/// The security info structure is located at the file offset specified by
|
||||
/// `xex2_header.security_offset` and contains cryptographic signatures,
|
||||
/// encryption keys, memory layout information, and per-page integrity digests.
|
||||
use std::fmt;
|
||||
|
||||
use crate::error::{Result, Xex2Error};
|
||||
use crate::util::{read_bytes, read_u32_be};
|
||||
|
||||
// ── Security Info ─────────────────────────────────────────────────────────────
|
||||
|
||||
/// The parsed XEX2 security info structure.
|
||||
#[derive(Debug, Clone)]
|
||||
pub struct SecurityInfo {
|
||||
/// Size of this security info structure in bytes.
|
||||
pub header_size: u32,
|
||||
/// Size of the decompressed PE image in bytes.
|
||||
pub image_size: u32,
|
||||
/// RSA-2048 signature over the header (256 bytes).
|
||||
pub rsa_signature: [u8; 256],
|
||||
/// Unknown field at offset 0x108 (often a length value).
|
||||
pub unk_108: u32,
|
||||
/// Image flags bitmask.
|
||||
pub image_flags: ImageFlags,
|
||||
/// Virtual memory address where the PE image is loaded.
|
||||
pub load_address: u32,
|
||||
/// SHA-1 digest of section data (20 bytes).
|
||||
pub section_digest: [u8; 20],
|
||||
/// Number of import table entries.
|
||||
pub import_table_count: u32,
|
||||
/// SHA-1 digest of the import table (20 bytes).
|
||||
pub import_table_digest: [u8; 20],
|
||||
/// XGD2 media identifier (16 bytes).
|
||||
pub xgd2_media_id: [u8; 16],
|
||||
/// Encrypted AES-128 session key (16 bytes).
|
||||
pub aes_key: [u8; 16],
|
||||
/// Memory address of the XEX export table (0 if none).
|
||||
pub export_table: u32,
|
||||
/// SHA-1 digest of header data (20 bytes).
|
||||
pub header_digest: [u8; 20],
|
||||
/// Allowed regions bitmask.
|
||||
pub region: RegionFlags,
|
||||
/// Allowed media types bitmask.
|
||||
pub allowed_media_types: MediaFlags,
|
||||
/// Number of page descriptors following.
|
||||
pub page_descriptor_count: u32,
|
||||
/// Per-page descriptors with section types and integrity digests.
|
||||
pub page_descriptors: Vec<PageDescriptor>,
|
||||
}
|
||||
|
||||
/// Parses the security info structure from `data` at the given file `offset`.
|
||||
pub fn parse_security_info(data: &[u8], offset: u32) -> Result<SecurityInfo> {
|
||||
let off = offset as usize;
|
||||
|
||||
// Minimum size: fixed fields up to page_descriptor_count (0x184 bytes)
|
||||
let min_size = off + 0x184;
|
||||
if min_size > data.len() {
|
||||
return Err(Xex2Error::InvalidOffset {
|
||||
name: "security_info",
|
||||
offset,
|
||||
file_size: data.len(),
|
||||
});
|
||||
}
|
||||
|
||||
let header_size = read_u32_be(data, off)?;
|
||||
let image_size = read_u32_be(data, off + 0x004)?;
|
||||
|
||||
let mut rsa_signature = [0u8; 256];
|
||||
rsa_signature.copy_from_slice(read_bytes(data, off + 0x008, 256)?);
|
||||
|
||||
let unk_108 = read_u32_be(data, off + 0x108)?;
|
||||
let image_flags = ImageFlags(read_u32_be(data, off + 0x10C)?);
|
||||
let load_address = read_u32_be(data, off + 0x110)?;
|
||||
|
||||
let mut section_digest = [0u8; 20];
|
||||
section_digest.copy_from_slice(read_bytes(data, off + 0x114, 20)?);
|
||||
|
||||
let import_table_count = read_u32_be(data, off + 0x128)?;
|
||||
|
||||
let mut import_table_digest = [0u8; 20];
|
||||
import_table_digest.copy_from_slice(read_bytes(data, off + 0x12C, 20)?);
|
||||
|
||||
let mut xgd2_media_id = [0u8; 16];
|
||||
xgd2_media_id.copy_from_slice(read_bytes(data, off + 0x140, 16)?);
|
||||
|
||||
let mut aes_key = [0u8; 16];
|
||||
aes_key.copy_from_slice(read_bytes(data, off + 0x150, 16)?);
|
||||
|
||||
let export_table = read_u32_be(data, off + 0x160)?;
|
||||
|
||||
let mut header_digest = [0u8; 20];
|
||||
header_digest.copy_from_slice(read_bytes(data, off + 0x164, 20)?);
|
||||
|
||||
let region = RegionFlags(read_u32_be(data, off + 0x178)?);
|
||||
let allowed_media_types = MediaFlags(read_u32_be(data, off + 0x17C)?);
|
||||
let page_descriptor_count = read_u32_be(data, off + 0x180)?;
|
||||
|
||||
// Parse page descriptors (24 bytes each, starting at offset + 0x184)
|
||||
let desc_start = off + 0x184;
|
||||
let desc_total = page_descriptor_count as usize * 24;
|
||||
if desc_start + desc_total > data.len() {
|
||||
return Err(Xex2Error::FileTooSmall {
|
||||
expected: desc_start + desc_total,
|
||||
actual: data.len(),
|
||||
});
|
||||
}
|
||||
|
||||
let mut page_descriptors = Vec::with_capacity(page_descriptor_count as usize);
|
||||
for i in 0..page_descriptor_count as usize {
|
||||
let base = desc_start + i * 24;
|
||||
let value = read_u32_be(data, base)?;
|
||||
let info = ((value >> 28) & 0xF) as u8;
|
||||
let page_count = value & 0x0FFFFFFF;
|
||||
|
||||
let mut data_digest = [0u8; 20];
|
||||
data_digest.copy_from_slice(read_bytes(data, base + 4, 20)?);
|
||||
|
||||
page_descriptors.push(PageDescriptor {
|
||||
section_type: SectionType::from_raw(info),
|
||||
page_count,
|
||||
data_digest,
|
||||
});
|
||||
}
|
||||
|
||||
Ok(SecurityInfo {
|
||||
header_size,
|
||||
image_size,
|
||||
rsa_signature,
|
||||
unk_108,
|
||||
image_flags,
|
||||
load_address,
|
||||
section_digest,
|
||||
import_table_count,
|
||||
import_table_digest,
|
||||
xgd2_media_id,
|
||||
aes_key,
|
||||
export_table,
|
||||
header_digest,
|
||||
region,
|
||||
allowed_media_types,
|
||||
page_descriptor_count,
|
||||
page_descriptors,
|
||||
})
|
||||
}
|
||||
|
||||
// ── Image Flags ───────────────────────────────────────────────────────────────
|
||||
|
||||
/// Image flags bitmask from the security info.
|
||||
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
|
||||
pub struct ImageFlags(pub u32);
|
||||
|
||||
impl ImageFlags {
|
||||
const FLAGS: &[(u32, &str)] = &[
|
||||
(0x00000002, "MANUFACTURING_UTILITY"),
|
||||
(0x00000004, "MANUFACTURING_SUPPORT_TOOLS"),
|
||||
(0x00000008, "XGD2_MEDIA_ONLY"),
|
||||
(0x00000100, "CARDEA_KEY"),
|
||||
(0x00000200, "XEIKA_KEY"),
|
||||
(0x00000400, "USERMODE_TITLE"),
|
||||
(0x00000800, "USERMODE_SYSTEM"),
|
||||
(0x10000000, "PAGE_SIZE_4KB"),
|
||||
(0x20000000, "REGION_FREE"),
|
||||
(0x40000000, "REVOCATION_CHECK_OPTIONAL"),
|
||||
(0x80000000, "REVOCATION_CHECK_REQUIRED"),
|
||||
];
|
||||
|
||||
/// Returns a list of human-readable flag names that are set.
|
||||
pub fn flag_names(self) -> Vec<&'static str> {
|
||||
Self::FLAGS
|
||||
.iter()
|
||||
.filter(|(bit, _)| self.0 & bit != 0)
|
||||
.map(|(_, name)| *name)
|
||||
.collect()
|
||||
}
|
||||
|
||||
/// Returns `true` if the 4KB page size flag is set (otherwise 64KB).
|
||||
pub fn is_4kb_pages(self) -> bool {
|
||||
self.0 & 0x10000000 != 0
|
||||
}
|
||||
|
||||
/// Returns the page size in bytes based on the page size flag.
|
||||
pub fn page_size(self) -> u32 {
|
||||
if self.is_4kb_pages() {
|
||||
0x1000
|
||||
} else {
|
||||
0x10000
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl fmt::Display for ImageFlags {
|
||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
||||
let names = self.flag_names();
|
||||
if names.is_empty() {
|
||||
write!(f, "0x{:08X}", self.0)
|
||||
} else {
|
||||
write!(f, "0x{:08X} [{}]", self.0, names.join(", "))
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// ── Region Flags ──────────────────────────────────────────────────────────────
|
||||
|
||||
/// Allowed region flags bitmask.
|
||||
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
|
||||
pub struct RegionFlags(pub u32);
|
||||
|
||||
impl RegionFlags {
|
||||
const NTSCU: u32 = 0x000000FF;
|
||||
const NTSCJ: u32 = 0x0000FF00;
|
||||
const NTSCJ_JAPAN: u32 = 0x00000100;
|
||||
const NTSCJ_CHINA: u32 = 0x00000200;
|
||||
const PAL: u32 = 0x00FF0000;
|
||||
const PAL_AU_NZ: u32 = 0x00010000;
|
||||
const OTHER: u32 = 0xFF000000;
|
||||
const ALL: u32 = 0xFFFFFFFF;
|
||||
|
||||
/// Returns a human-readable description of the active region flags.
|
||||
pub fn description(self) -> String {
|
||||
if self.0 == Self::ALL {
|
||||
return "ALL REGIONS".to_string();
|
||||
}
|
||||
if self.0 == 0 {
|
||||
return "NONE".to_string();
|
||||
}
|
||||
|
||||
let mut regions = Vec::new();
|
||||
if self.0 & Self::NTSCU != 0 {
|
||||
regions.push("NTSC/U");
|
||||
}
|
||||
if self.0 & Self::NTSCJ_JAPAN != 0 {
|
||||
regions.push("NTSC/J-Japan");
|
||||
}
|
||||
if self.0 & Self::NTSCJ_CHINA != 0 {
|
||||
regions.push("NTSC/J-China");
|
||||
}
|
||||
// Only show generic NTSC/J if specific bits aren't set but region is
|
||||
if self.0 & Self::NTSCJ != 0
|
||||
&& self.0 & Self::NTSCJ_JAPAN == 0
|
||||
&& self.0 & Self::NTSCJ_CHINA == 0
|
||||
{
|
||||
regions.push("NTSC/J");
|
||||
}
|
||||
if self.0 & Self::PAL_AU_NZ != 0 {
|
||||
regions.push("PAL-AU/NZ");
|
||||
}
|
||||
// Only show generic PAL if specific bits aren't set but region is
|
||||
if self.0 & Self::PAL != 0 && self.0 & Self::PAL_AU_NZ == 0 {
|
||||
regions.push("PAL");
|
||||
}
|
||||
if self.0 & Self::OTHER != 0 {
|
||||
regions.push("Other");
|
||||
}
|
||||
regions.join(", ")
|
||||
}
|
||||
}
|
||||
|
||||
impl fmt::Display for RegionFlags {
|
||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
||||
write!(f, "0x{:08X} [{}]", self.0, self.description())
|
||||
}
|
||||
}
|
||||
|
||||
// ── Media Flags ───────────────────────────────────────────────────────────────
|
||||
|
||||
/// Allowed media types bitmask.
|
||||
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
|
||||
pub struct MediaFlags(pub u32);
|
||||
|
||||
impl MediaFlags {
|
||||
const FLAGS: &[(u32, &str)] = &[
|
||||
(0x00000001, "HARD_DISK"),
|
||||
(0x00000002, "DVD_X2"),
|
||||
(0x00000004, "DVD_CD"),
|
||||
(0x00000008, "DVD_5"),
|
||||
(0x00000010, "DVD_9"),
|
||||
(0x00000020, "SYSTEM_FLASH"),
|
||||
(0x00000080, "MEMORY_UNIT"),
|
||||
(0x00000100, "USB_MASS_STORAGE"),
|
||||
(0x00000200, "NETWORK"),
|
||||
(0x00000400, "DIRECT_FROM_MEMORY"),
|
||||
(0x00000800, "RAM_DRIVE"),
|
||||
(0x00001000, "SVOD"),
|
||||
(0x01000000, "INSECURE_PACKAGE"),
|
||||
(0x02000000, "SAVEGAME_PACKAGE"),
|
||||
(0x04000000, "LOCALLY_SIGNED_PACKAGE"),
|
||||
(0x08000000, "LIVE_SIGNED_PACKAGE"),
|
||||
(0x10000000, "XBOX_PACKAGE"),
|
||||
];
|
||||
|
||||
/// Returns a list of human-readable flag names that are set.
|
||||
pub fn flag_names(self) -> Vec<&'static str> {
|
||||
Self::FLAGS
|
||||
.iter()
|
||||
.filter(|(bit, _)| self.0 & bit != 0)
|
||||
.map(|(_, name)| *name)
|
||||
.collect()
|
||||
}
|
||||
}
|
||||
|
||||
impl fmt::Display for MediaFlags {
|
||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
||||
let names = self.flag_names();
|
||||
if names.is_empty() {
|
||||
write!(f, "0x{:08X}", self.0)
|
||||
} else {
|
||||
write!(f, "0x{:08X} [{}]", self.0, names.join(", "))
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// ── Page Descriptor ───────────────────────────────────────────────────────────
|
||||
|
||||
/// A single page descriptor with section type, page count, and SHA-1 digest.
|
||||
#[derive(Debug, Clone)]
|
||||
pub struct PageDescriptor {
|
||||
/// The section type (code, data, read-only data, or unknown).
|
||||
pub section_type: SectionType,
|
||||
/// Number of pages in this section.
|
||||
pub page_count: u32,
|
||||
/// SHA-1 hash of the page data (20 bytes).
|
||||
pub data_digest: [u8; 20],
|
||||
}
|
||||
|
||||
/// Section type from the page descriptor info bits.
|
||||
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
|
||||
pub enum SectionType {
|
||||
Code,
|
||||
Data,
|
||||
ReadOnlyData,
|
||||
Unknown(u8),
|
||||
}
|
||||
|
||||
impl SectionType {
|
||||
/// Creates a `SectionType` from the raw 4-bit info field.
|
||||
pub fn from_raw(raw: u8) -> Self {
|
||||
match raw {
|
||||
1 => Self::Code,
|
||||
2 => Self::Data,
|
||||
3 => Self::ReadOnlyData,
|
||||
v => Self::Unknown(v),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl fmt::Display for SectionType {
|
||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
||||
match self {
|
||||
Self::Code => write!(f, "Code"),
|
||||
Self::Data => write!(f, "Data"),
|
||||
Self::ReadOnlyData => write!(f, "ReadOnly"),
|
||||
Self::Unknown(v) => write!(f, "Unknown({v})"),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
|
||||
fn sample_data() -> Vec<u8> {
|
||||
let path = format!("{}/tests/data/default.xex", env!("CARGO_MANIFEST_DIR"));
|
||||
std::fs::read(&path).expect("sample file should exist")
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_parse_security_info_header() {
|
||||
let data = sample_data();
|
||||
let sec = parse_security_info(&data, 0x90).unwrap();
|
||||
assert_eq!(sec.header_size, 0x00000F34);
|
||||
assert_eq!(sec.image_size, 0x00920000);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_parse_security_info_fields() {
|
||||
let data = sample_data();
|
||||
let sec = parse_security_info(&data, 0x90).unwrap();
|
||||
assert_eq!(sec.unk_108, 0x00000174);
|
||||
assert_eq!(sec.image_flags, ImageFlags(0x00000008));
|
||||
assert_eq!(sec.load_address, 0x82000000);
|
||||
assert_eq!(sec.import_table_count, 2);
|
||||
assert_eq!(sec.export_table, 0x00000000);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_parse_security_region_flags() {
|
||||
let data = sample_data();
|
||||
let sec = parse_security_info(&data, 0x90).unwrap();
|
||||
assert_eq!(sec.region, RegionFlags(0xFFFFFFFF));
|
||||
assert_eq!(sec.region.description(), "ALL REGIONS");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_parse_security_media_flags() {
|
||||
let data = sample_data();
|
||||
let sec = parse_security_info(&data, 0x90).unwrap();
|
||||
assert_eq!(sec.allowed_media_types, MediaFlags(0x00000004));
|
||||
assert_eq!(sec.allowed_media_types.flag_names(), vec!["DVD_CD"]);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_parse_page_descriptors() {
|
||||
let data = sample_data();
|
||||
let sec = parse_security_info(&data, 0x90).unwrap();
|
||||
assert_eq!(sec.page_descriptor_count, 0x92); // 146
|
||||
assert_eq!(sec.page_descriptors.len(), 146);
|
||||
// First descriptor: page_count = 0x13 = 19
|
||||
assert_eq!(sec.page_descriptors[0].page_count, 19);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_parse_rsa_signature() {
|
||||
let data = sample_data();
|
||||
let sec = parse_security_info(&data, 0x90).unwrap();
|
||||
// First bytes of RSA signature from hex dump
|
||||
assert_eq!(sec.rsa_signature[0], 0x2C);
|
||||
assert_eq!(sec.rsa_signature[1], 0x94);
|
||||
assert_eq!(sec.rsa_signature[2], 0xEB);
|
||||
assert_eq!(sec.rsa_signature[3], 0xE6);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_parse_xgd2_media_id() {
|
||||
let data = sample_data();
|
||||
let sec = parse_security_info(&data, 0x90).unwrap();
|
||||
assert_eq!(sec.xgd2_media_id[0], 0x33);
|
||||
assert_eq!(sec.xgd2_media_id[1], 0x51);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_parse_aes_key() {
|
||||
let data = sample_data();
|
||||
let sec = parse_security_info(&data, 0x90).unwrap();
|
||||
assert_eq!(sec.aes_key[0], 0xEA);
|
||||
assert_eq!(sec.aes_key[1], 0xCB);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_image_flags_display() {
|
||||
let f = ImageFlags(0x00000008);
|
||||
assert_eq!(f.to_string(), "0x00000008 [XGD2_MEDIA_ONLY]");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_image_flags_page_size() {
|
||||
assert_eq!(ImageFlags(0x10000000).page_size(), 0x1000);
|
||||
assert_eq!(ImageFlags(0x00000000).page_size(), 0x10000);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_region_flags_all() {
|
||||
assert_eq!(RegionFlags(0xFFFFFFFF).description(), "ALL REGIONS");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_region_flags_ntscu_only() {
|
||||
assert_eq!(RegionFlags(0x000000FF).description(), "NTSC/U");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_region_flags_none() {
|
||||
assert_eq!(RegionFlags(0).description(), "NONE");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_region_flags_specific() {
|
||||
// NTSC/U + PAL-AU/NZ
|
||||
let r = RegionFlags(0x000100FF);
|
||||
let desc = r.description();
|
||||
assert!(desc.contains("NTSC/U"));
|
||||
assert!(desc.contains("PAL-AU/NZ"));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_media_flags_display() {
|
||||
let f = MediaFlags(0x00000004);
|
||||
assert_eq!(f.to_string(), "0x00000004 [DVD_CD]");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_media_flags_multiple() {
|
||||
let f = MediaFlags(0x00000003); // HARD_DISK | DVD_X2
|
||||
let names = f.flag_names();
|
||||
assert_eq!(names, vec!["HARD_DISK", "DVD_X2"]);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_section_type_from_raw() {
|
||||
assert_eq!(SectionType::from_raw(1), SectionType::Code);
|
||||
assert_eq!(SectionType::from_raw(2), SectionType::Data);
|
||||
assert_eq!(SectionType::from_raw(3), SectionType::ReadOnlyData);
|
||||
assert!(matches!(SectionType::from_raw(0), SectionType::Unknown(0)));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_section_type_display() {
|
||||
assert_eq!(SectionType::Code.to_string(), "Code");
|
||||
assert_eq!(SectionType::Data.to_string(), "Data");
|
||||
assert_eq!(SectionType::ReadOnlyData.to_string(), "ReadOnly");
|
||||
assert_eq!(SectionType::Unknown(5).to_string(), "Unknown(5)");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_invalid_security_offset() {
|
||||
let data = sample_data();
|
||||
let err = parse_security_info(&data, 0xFFFFFFFF).unwrap_err();
|
||||
assert!(matches!(err, Xex2Error::InvalidOffset { .. }));
|
||||
}
|
||||
}
|
||||
@@ -1,10 +1,15 @@
|
||||
use xex2tractor::crypto;
|
||||
use xex2tractor::header::{ModuleFlags, XEX2_MAGIC};
|
||||
use xex2tractor::optional::{CompressionInfo, CompressionType, EncryptionType, SystemFlags};
|
||||
use xex2tractor::security::{ImageFlags, MediaFlags, RegionFlags};
|
||||
|
||||
fn sample_data() -> Vec<u8> {
|
||||
let path = format!("{}/tests/data/default.xex", env!("CARGO_MANIFEST_DIR"));
|
||||
std::fs::read(&path).expect("sample file should exist at tests/data/default.xex")
|
||||
}
|
||||
|
||||
// ── Header tests ──────────────────────────────────────────────────────────────
|
||||
|
||||
#[test]
|
||||
fn test_full_parse() {
|
||||
let data = sample_data();
|
||||
@@ -27,25 +32,262 @@ fn test_parse_empty_file() {
|
||||
#[test]
|
||||
fn test_parse_invalid_magic() {
|
||||
let mut data = sample_data();
|
||||
// Corrupt the magic bytes
|
||||
data[0] = 0x00;
|
||||
assert!(xex2tractor::parse(&data).is_err());
|
||||
}
|
||||
|
||||
// ── Optional header tests ─────────────────────────────────────────────────────
|
||||
|
||||
#[test]
|
||||
fn test_cli_runs_with_sample() {
|
||||
fn test_optional_headers_all_present() {
|
||||
let data = sample_data();
|
||||
let xex = xex2tractor::parse(&data).unwrap();
|
||||
let opt = &xex.optional_headers;
|
||||
|
||||
// All 15 entries should be parsed
|
||||
assert_eq!(opt.entries.len(), 15);
|
||||
|
||||
// Verify presence of all expected headers
|
||||
assert!(opt.entry_point.is_some());
|
||||
assert!(opt.image_base_address.is_some());
|
||||
assert!(opt.default_stack_size.is_some());
|
||||
assert!(opt.system_flags.is_some());
|
||||
assert!(opt.execution_info.is_some());
|
||||
assert!(opt.file_format_info.is_some());
|
||||
assert!(opt.checksum_timestamp.is_some());
|
||||
assert!(opt.original_pe_name.is_some());
|
||||
assert!(opt.tls_info.is_some());
|
||||
assert!(opt.static_libraries.is_some());
|
||||
assert!(opt.import_libraries.is_some());
|
||||
assert!(opt.resource_info.is_some());
|
||||
assert!(opt.game_ratings.is_some());
|
||||
assert!(opt.lan_key.is_some());
|
||||
assert!(opt.xbox360_logo_size.is_some());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_optional_inline_values() {
|
||||
let data = sample_data();
|
||||
let xex = xex2tractor::parse(&data).unwrap();
|
||||
let opt = &xex.optional_headers;
|
||||
|
||||
assert_eq!(opt.entry_point.unwrap(), 0x824AB748);
|
||||
assert_eq!(opt.image_base_address.unwrap(), 0x82000000);
|
||||
assert_eq!(opt.default_stack_size.unwrap(), 0x00080000);
|
||||
assert_eq!(opt.system_flags.unwrap(), SystemFlags(0x00000400));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_optional_execution_info() {
|
||||
let data = sample_data();
|
||||
let xex = xex2tractor::parse(&data).unwrap();
|
||||
let exec = xex.optional_headers.execution_info.as_ref().unwrap();
|
||||
|
||||
assert_eq!(exec.title_id, 0x535107D4);
|
||||
assert_eq!(exec.media_id, 0x2D2E2EEB);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_optional_file_format() {
|
||||
let data = sample_data();
|
||||
let xex = xex2tractor::parse(&data).unwrap();
|
||||
let fmt = xex.optional_headers.file_format_info.as_ref().unwrap();
|
||||
|
||||
assert_eq!(fmt.encryption_type, EncryptionType::Normal);
|
||||
assert_eq!(fmt.compression_type, CompressionType::Normal);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_optional_static_libraries() {
|
||||
let data = sample_data();
|
||||
let xex = xex2tractor::parse(&data).unwrap();
|
||||
let libs = xex.optional_headers.static_libraries.as_ref().unwrap();
|
||||
|
||||
assert_eq!(libs.len(), 12);
|
||||
// Verify first and a few known libraries
|
||||
assert_eq!(libs[0].name, "XAPILIB");
|
||||
assert_eq!(libs[1].name, "D3D9");
|
||||
assert_eq!(libs[3].name, "XBOXKRNL");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_optional_import_libraries() {
|
||||
let data = sample_data();
|
||||
let xex = xex2tractor::parse(&data).unwrap();
|
||||
let imports = xex.optional_headers.import_libraries.as_ref().unwrap();
|
||||
|
||||
assert_eq!(imports.string_table.len(), 2);
|
||||
assert_eq!(imports.string_table[0], "xam.xex");
|
||||
assert_eq!(imports.string_table[1], "xboxkrnl.exe");
|
||||
assert!(!imports.libraries.is_empty());
|
||||
}
|
||||
|
||||
// ── Security info tests ───────────────────────────────────────────────────────
|
||||
|
||||
#[test]
|
||||
fn test_security_info_parsed() {
|
||||
let data = sample_data();
|
||||
let xex = xex2tractor::parse(&data).unwrap();
|
||||
let sec = &xex.security_info;
|
||||
|
||||
assert_eq!(sec.header_size, 0x00000F34);
|
||||
assert_eq!(sec.image_size, 0x00920000);
|
||||
assert_eq!(sec.unk_108, 0x00000174);
|
||||
assert_eq!(sec.load_address, 0x82000000);
|
||||
assert_eq!(sec.import_table_count, 2);
|
||||
assert_eq!(sec.export_table, 0);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_security_flags() {
|
||||
let data = sample_data();
|
||||
let xex = xex2tractor::parse(&data).unwrap();
|
||||
let sec = &xex.security_info;
|
||||
|
||||
assert_eq!(sec.image_flags, ImageFlags(0x00000008));
|
||||
assert_eq!(sec.region, RegionFlags(0xFFFFFFFF));
|
||||
assert_eq!(sec.allowed_media_types, MediaFlags(0x00000004));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_security_page_descriptors() {
|
||||
let data = sample_data();
|
||||
let xex = xex2tractor::parse(&data).unwrap();
|
||||
let sec = &xex.security_info;
|
||||
|
||||
assert_eq!(sec.page_descriptor_count, 146);
|
||||
assert_eq!(sec.page_descriptors.len(), 146);
|
||||
|
||||
// First descriptor has page_count = 19
|
||||
assert_eq!(sec.page_descriptors[0].page_count, 19);
|
||||
|
||||
// Page size should be 64KB (4KB flag is not set)
|
||||
assert_eq!(sec.image_flags.page_size(), 0x10000);
|
||||
|
||||
// Each page descriptor should have a valid page_count
|
||||
for desc in &sec.page_descriptors {
|
||||
assert!(desc.page_count > 0, "page_count should be positive");
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_security_crypto_fields() {
|
||||
let data = sample_data();
|
||||
let xex = xex2tractor::parse(&data).unwrap();
|
||||
let sec = &xex.security_info;
|
||||
|
||||
// RSA signature starts with 2C94EBE6
|
||||
assert_eq!(sec.rsa_signature[0..4], [0x2C, 0x94, 0xEB, 0xE6]);
|
||||
|
||||
// XGD2 media ID starts with 3351
|
||||
assert_eq!(sec.xgd2_media_id[0..2], [0x33, 0x51]);
|
||||
|
||||
// AES key starts with EACB
|
||||
assert_eq!(sec.aes_key[0..2], [0xEA, 0xCB]);
|
||||
}
|
||||
|
||||
// ── Compression info tests ────────────────────────────────────────────────────
|
||||
|
||||
#[test]
|
||||
fn test_compression_info_normal() {
|
||||
let data = sample_data();
|
||||
let xex = xex2tractor::parse(&data).unwrap();
|
||||
let fmt = xex.optional_headers.file_format_info.as_ref().unwrap();
|
||||
|
||||
match &fmt.compression_info {
|
||||
CompressionInfo::Normal {
|
||||
window_size,
|
||||
first_block,
|
||||
} => {
|
||||
// Window size should be a power of 2
|
||||
assert!(window_size.is_power_of_two(), "window_size should be power of 2");
|
||||
assert!(*window_size > 0);
|
||||
// First block should have non-zero size
|
||||
assert!(first_block.block_size > 0);
|
||||
// Block hash should not be all zeros
|
||||
assert!(!first_block.block_hash.iter().all(|&b| b == 0));
|
||||
}
|
||||
other => panic!("expected Normal compression info, got {other:?}"),
|
||||
}
|
||||
}
|
||||
|
||||
// ── Crypto tests ─────────────────────────────────────────────────────────────
|
||||
|
||||
#[test]
|
||||
fn test_session_key_derivation() {
|
||||
let data = sample_data();
|
||||
let xex = xex2tractor::parse(&data).unwrap();
|
||||
|
||||
let session_key = crypto::derive_session_key(&xex.security_info.aes_key);
|
||||
// Session key should be non-zero
|
||||
assert!(!session_key.iter().all(|&b| b == 0));
|
||||
// Session key should differ from encrypted key
|
||||
assert_ne!(&session_key[..], &xex.security_info.aes_key[..]);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_payload_decryption() {
|
||||
let data = sample_data();
|
||||
let xex = xex2tractor::parse(&data).unwrap();
|
||||
|
||||
let session_key = crypto::derive_session_key(&xex.security_info.aes_key);
|
||||
|
||||
// Decrypt the first 256 bytes of payload
|
||||
let payload_start = xex.header.header_size as usize;
|
||||
let mut payload_head = data[payload_start..payload_start + 256].to_vec();
|
||||
let original = payload_head.clone();
|
||||
|
||||
crypto::decrypt_in_place(&session_key, &mut payload_head);
|
||||
|
||||
// Decrypted data should differ from encrypted
|
||||
assert_ne!(payload_head, original);
|
||||
}
|
||||
|
||||
// ── CLI tests ─────────────────────────────────────────────────────────────────
|
||||
|
||||
#[test]
|
||||
fn test_cli_inspect_with_sample() {
|
||||
let path = format!("{}/tests/data/default.xex", env!("CARGO_MANIFEST_DIR"));
|
||||
let output = std::process::Command::new(env!("CARGO_BIN_EXE_xex2tractor"))
|
||||
.arg(&path)
|
||||
.args(["inspect", &path])
|
||||
.output()
|
||||
.expect("failed to run xex2tractor");
|
||||
|
||||
assert!(output.status.success(), "CLI should exit successfully");
|
||||
assert!(output.status.success(), "CLI inspect should exit successfully");
|
||||
let stdout = String::from_utf8_lossy(&output.stdout);
|
||||
assert!(stdout.contains("XEX2 Header"), "should display header section");
|
||||
assert!(stdout.contains("0x58455832"), "should display magic value");
|
||||
assert!(stdout.contains("TITLE"), "should display module flag name");
|
||||
assert!(stdout.contains("Header Count: 15"), "should show 15 headers");
|
||||
|
||||
// Header section
|
||||
assert!(stdout.contains("XEX2 Header"));
|
||||
assert!(stdout.contains("0x58455832"));
|
||||
assert!(stdout.contains("TITLE"));
|
||||
assert!(stdout.contains("Header Count: 15"));
|
||||
|
||||
// Optional headers section
|
||||
assert!(stdout.contains("Optional Headers (15 entries)"));
|
||||
assert!(stdout.contains("[ENTRY_POINT] 0x824AB748"));
|
||||
assert!(stdout.contains("[IMAGE_BASE_ADDRESS] 0x82000000"));
|
||||
assert!(stdout.contains("EXECUTION_INFO"));
|
||||
assert!(stdout.contains("0x535107D4")); // title ID
|
||||
assert!(stdout.contains("FILE_FORMAT_INFO"));
|
||||
assert!(stdout.contains("Normal (AES-128-CBC)"));
|
||||
assert!(stdout.contains("Normal (LZX)"));
|
||||
assert!(stdout.contains("Window Size:")); // new compression info
|
||||
assert!(stdout.contains("First Block:")); // new compression info
|
||||
assert!(stdout.contains("STATIC_LIBRARIES"));
|
||||
assert!(stdout.contains("XAPILIB"));
|
||||
assert!(stdout.contains("IMPORT_LIBRARIES"));
|
||||
assert!(stdout.contains("xboxkrnl.exe"));
|
||||
assert!(stdout.contains("default.pe")); // original PE name
|
||||
assert!(stdout.contains("PAL50_INCOMPATIBLE")); // system flags
|
||||
|
||||
// Security info section
|
||||
assert!(stdout.contains("Security Info"));
|
||||
assert!(stdout.contains("0x00000F34")); // header size
|
||||
assert!(stdout.contains("0x00920000")); // image size
|
||||
assert!(stdout.contains("XGD2_MEDIA_ONLY")); // image flags
|
||||
assert!(stdout.contains("ALL REGIONS")); // region
|
||||
assert!(stdout.contains("DVD_CD")); // media type
|
||||
assert!(stdout.contains("Page Descriptors")); // page descriptors section
|
||||
}
|
||||
|
||||
#[test]
|
||||
@@ -54,17 +296,31 @@ fn test_cli_no_args() {
|
||||
.output()
|
||||
.expect("failed to run xex2tractor");
|
||||
|
||||
assert!(!output.status.success(), "CLI should fail without args");
|
||||
assert!(!output.status.success());
|
||||
let stderr = String::from_utf8_lossy(&output.stderr);
|
||||
assert!(stderr.contains("Usage"), "should print usage message");
|
||||
assert!(stderr.contains("Usage"));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_cli_missing_file() {
|
||||
fn test_cli_inspect_missing_file() {
|
||||
let output = std::process::Command::new(env!("CARGO_BIN_EXE_xex2tractor"))
|
||||
.arg("/nonexistent/file.xex")
|
||||
.args(["inspect", "/nonexistent/file.xex"])
|
||||
.output()
|
||||
.expect("failed to run xex2tractor");
|
||||
|
||||
assert!(!output.status.success(), "CLI should fail with missing file");
|
||||
assert!(!output.status.success());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_cli_extract_not_yet_implemented() {
|
||||
let path = format!("{}/tests/data/default.xex", env!("CARGO_MANIFEST_DIR"));
|
||||
let output = std::process::Command::new(env!("CARGO_BIN_EXE_xex2tractor"))
|
||||
.args(["extract", &path])
|
||||
.output()
|
||||
.expect("failed to run xex2tractor");
|
||||
|
||||
// Extract should fail with "not yet implemented" for now
|
||||
assert!(!output.status.success());
|
||||
let stderr = String::from_utf8_lossy(&output.stderr);
|
||||
assert!(stderr.contains("not yet implemented"));
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user