reversedrooms/hk4e-patch
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Update for OSRELWin5.0.0

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xeon 2024-08-27 00:25:10 +03:00
parent 6d5a9f2098
commit 67bc2a2aaa
5 changed files with 7 additions and 95 deletions
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2
README.md
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@ -1,3 +1,3 @@
# hk4e-patch
Genshin Impact encryption patch (4.8.50)
Genshin Impact encryption patch (5.0.0)

2
src/marshal.rs
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@ -2,7 +2,7 @@ use std::ffi::CStr;
use crate::util;
const PTR_TO_STRING_ANSI: usize = 0x104F80F0;
const PTR_TO_STRING_ANSI: usize = 0x103CBB00;
type MarshalPtrToStringAnsi = unsafe extern "fastcall" fn(*const u8) -> *const u8;
pub unsafe fn ptr_to_string_ansi(content: &CStr) -> *const u8 {

4
src/modules/http.rs
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@ -5,8 +5,8 @@ use crate::marshal;
use anyhow::Result;
use ilhook::x64::Registers;
const WEB_REQUEST_UTILS_MAKE_INITIAL_URL: usize = 0x1119FF40;
const BROWSER_LOAD_URL: usize = 0x10FD8450;
const WEB_REQUEST_UTILS_MAKE_INITIAL_URL: usize = 0x110107A0;
const BROWSER_LOAD_URL: usize = 0x10E55670;
pub struct Http;

6
src/modules/security.rs
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@ -6,9 +6,9 @@ use super::{MhyContext, MhyModule, ModuleType};
use anyhow::Result;
use ilhook::x64::Registers;
const MHYRSA_PERFORM_CRYPTO_ACTION: usize = 0xC3DEDB;
const KEY_SIGN_CHECK: usize = 0xC4236D;
const SDK_UTIL_RSA_ENCRYPT: usize = 0x10A02A60;
const MHYRSA_PERFORM_CRYPTO_ACTION: usize = 0xC37F9B;
const KEY_SIGN_CHECK: usize = 0xC3C42D;
const SDK_UTIL_RSA_ENCRYPT: usize = 0x1088E510;
const KEY_SIZE: usize = 268;
static SERVER_PUBLIC_KEY: &[u8] = include_bytes!("../../server_public_key.bin");

88
src/version.rs
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@ -1,88 +0,0 @@
use libloading::{Error, Library, Symbol};
use std::arch::asm;
use std::env;
use std::ffi::{CStr, CString};
pub struct VersionDllProxy {
library: Library,
}
impl VersionDllProxy {
pub fn new() -> Result<Self, Box<dyn std::error::Error>> {
let system_directory = env::var("windir")? + ("\\System32\\");
let dll_path = system_directory + "version.dll";
let library = unsafe { Library::new(dll_path) }?;
Ok(Self { library })
}
fn get_function<T>(&self, func_name: &CStr) -> Result<Symbol<T>, Error> {
unsafe { self.library.get(func_name.to_bytes_with_nul()) }
}
pub fn load_functions(&self) -> Result<(), Error> {
for (i, &name) in FUNCTION_NAMES.iter().enumerate() {
let fn_ptr = self.get_function::<Symbol<*mut usize>>(name)?;
unsafe { ORIGINAL_FUNCTIONS[i] = **fn_ptr };
println!("Loaded function {}@{:p}", name.to_str().unwrap(), unsafe {
ORIGINAL_FUNCTIONS[i]
});
}
Ok(())
}
}
macro_rules! count_exprs {
() => {0usize};
($head:expr, $($tail:expr,)*) => {1usize + count_exprs!($($tail,)*)};
}
macro_rules! version_dll_proxy {
($($fn_name:ident),*) => {
static FUNCTION_NAMES: &[&CStr] = &[
$(
unsafe { CStr::from_bytes_with_nul_unchecked(concat!(stringify!($fn_name), "\0").as_bytes()) }
),*,
];
#[no_mangle]
static mut ORIGINAL_FUNCTIONS: [*const usize; count_exprs!($($fn_name,)*)] = [0 as *const usize; count_exprs!($($fn_name,)*)];
$(
#[no_mangle]
extern "C" fn $fn_name() {
let function_name = FUNCTION_NAMES
.iter()
.position(|&name| name == CString::new(stringify!($fn_name)).unwrap().as_ref())
.unwrap();
let fn_addr = unsafe { ORIGINAL_FUNCTIONS[function_name] };
unsafe {
asm! {
"call {tmp}",
tmp = in(reg) fn_addr,
clobber_abi("C")
}
}
}
)*
};
}
version_dll_proxy! {
GetFileVersionInfoA,
GetFileVersionInfoByHandle,
GetFileVersionInfoExA,
GetFileVersionInfoExW,
GetFileVersionInfoSizeA,
GetFileVersionInfoSizeExA,
GetFileVersionInfoSizeExW,
GetFileVersionInfoSizeW,
GetFileVersionInfoW,
VerFindFileA,
VerFindFileW,
VerInstallFileA,
VerInstallFileW,
VerLanguageNameA,
VerLanguageNameW,
VerQueryValueA,
VerQueryValueW
}