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wip: checkpoint FIFA 17 hook diagnostics

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This commit is contained in:
funman300
2026-08-07 12:03:21 -07:00
parent 3d895fb7ac
commit 09ed26ba16
11 changed files with 596 additions and 248 deletions
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openfut-hook/src/ssl_patch.rs
+27 -17
View File
@@ -9,11 +9,9 @@
// server's certificate chain. Always returning 1 is equivalent to trusting all certs,
// which is the behaviour we want for the local self-signed bridge certificate.
use windows_sys::Win32::{
System::{
LibraryLoader::GetModuleHandleA,
Memory::{VirtualProtect, PAGE_EXECUTE_READWRITE},
},
use windows_sys::Win32::System::{
LibraryLoader::GetModuleHandleA,
Memory::{VirtualProtect, PAGE_EXECUTE_READWRITE},
};
// Unique 22-byte prologue of ProtoSSL's cert-verify function.
@@ -21,24 +19,26 @@ use windows_sys::Win32::{
const PROLOGUE: &[u8] = &[
0x44, 0x89, 0x44, 0x24, 0x18, // mov [rsp+0x18], r8d
0x48, 0x89, 0x54, 0x24, 0x10, // mov [rsp+0x10], rdx
0x56, // push rsi
0x57, // push rdi
0x41, 0x55, // push r13
0x41, 0x56, // push r14
0x41, 0x57, // push r15
0x48, 0x83, 0xec, 0x30, // sub rsp, 0x30
0x56, // push rsi
0x57, // push rdi
0x41, 0x55, // push r13
0x41, 0x56, // push r14
0x41, 0x57, // push r15
0x48, 0x83, 0xec, 0x30, // sub rsp, 0x30
];
// Return 0 (PROTOSSL_ERROR_NONE = success). ProtoSSL convention: 0 = ok, negative = error.
// The function sets r15d = 0xFFFFFFFF (-1) for its own error returns, confirming 0 = success.
const PATCH: &[u8] = &[
0x31, 0xc0, // xor eax, eax (eax = 0 = PROTOSSL_ERROR_NONE)
0xc3, // ret
0x90, 0x90, 0x90, // nop padding
0x31, 0xc0, // xor eax, eax (eax = 0 = PROTOSSL_ERROR_NONE)
0xc3, // ret
0x90, 0x90, 0x90, // nop padding
];
fn patch_module(module: isize, scan_bytes: usize) -> bool {
if module == 0 { return false; }
if module == 0 {
return false;
}
let base = module as usize;
let image: &[u8] = unsafe { core::slice::from_raw_parts(base as *const u8, scan_bytes) };
let offset = match image.windows(PROLOGUE.len()).position(|w| w == PROLOGUE) {
@@ -48,9 +48,19 @@ fn patch_module(module: isize, scan_bytes: usize) -> bool {
let target = (base + offset) as *mut u8;
let mut old_prot: u32 = 0;
unsafe {
VirtualProtect(target as *const core::ffi::c_void, PATCH.len(), PAGE_EXECUTE_READWRITE, &mut old_prot);
VirtualProtect(
target as *const core::ffi::c_void,
PATCH.len(),
PAGE_EXECUTE_READWRITE,
&mut old_prot,
);
core::ptr::copy_nonoverlapping(PATCH.as_ptr(), target, PATCH.len());
VirtualProtect(target as *const core::ffi::c_void, PATCH.len(), old_prot, &mut old_prot);
VirtualProtect(
target as *const core::ffi::c_void,
PATCH.len(),
old_prot,
&mut old_prot,
);
}
true
}