funman300
107 lines
4.2 KiB
Rust
107 lines
4.2 KiB
Rust
//! FIFA 17 injection path (feature = "fifa17").
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//!
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//! This is a *separate, minimal* entry point from the FIFA-23 `install_hooks`.
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//! FIFA 17 is a different game with different in-memory structures, so we run NONE
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//! of the FIFA-23 connect/LSX/origin_spy/dial logic here — that would at best
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//! no-op and at worst crash. For now this proves the version.dll hijack actually
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//! loads us into FIFA17.exe and dumps the module map, which we need to locate
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//! DirtySDK/ProtoSSL's cert-verify function (the next milestone: patch it so the
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//! secure Blaze redirector's TLS handshake succeeds against our bridge cert).
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//!
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//! Everything here is read-only except the (not-yet-enabled) cert-verify patch.
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use crate::write_log;
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use windows_sys::Win32::Foundation::{CloseHandle, INVALID_HANDLE_VALUE};
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use windows_sys::Win32::System::Diagnostics::ToolHelp::{
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CreateToolhelp32Snapshot, Module32FirstW, Module32NextW, MODULEENTRY32W, TH32CS_SNAPMODULE,
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TH32CS_SNAPMODULE32,
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};
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use windows_sys::Win32::System::LibraryLoader::GetModuleHandleA;
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/// Read the SizeOfImage from a module's in-memory PE headers.
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unsafe fn size_of_image(base: usize) -> u32 {
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if base == 0 {
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return 0;
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}
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// DOS header -> e_lfanew (i32 @ 0x3c) -> PE header. SizeOfImage is in the
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// optional header at offset 0x50 from the PE signature (same for PE32/PE32+).
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let e_lfanew = *((base + 0x3c) as *const i32);
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let pe = base + e_lfanew as usize;
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// sanity: 'PE\0\0'
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if *(pe as *const u32) != 0x0000_4550 {
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return 0;
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}
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*((pe + 24 + 0x38) as *const u32) // opt header +0x38 = SizeOfImage
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}
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fn wide_to_string(w: &[u16]) -> String {
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let end = w.iter().position(|&c| c == 0).unwrap_or(w.len());
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String::from_utf16_lossy(&w[..end])
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}
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/// Enumerate loaded modules (name, base, size) via ToolHelp and log them.
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unsafe fn dump_modules() {
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let snap = CreateToolhelp32Snapshot(TH32CS_SNAPMODULE | TH32CS_SNAPMODULE32, 0);
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if snap == INVALID_HANDLE_VALUE {
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write_log("fifa17: module snapshot FAILED\n");
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return;
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}
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let mut me: MODULEENTRY32W = core::mem::zeroed();
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me.dwSize = core::mem::size_of::<MODULEENTRY32W>() as u32;
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if Module32FirstW(snap, &mut me) != 0 {
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loop {
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let name = wide_to_string(&me.szModule);
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let base = me.modBaseAddr as usize;
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let size = me.modBaseSize;
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write_log(&format!(
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"fifa17: module {name:<28} base={base:#018x} size={size:#x}\n"
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));
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me.dwSize = core::mem::size_of::<MODULEENTRY32W>() as u32;
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if Module32NextW(snap, &mut me) == 0 {
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break;
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}
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}
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} else {
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write_log("fifa17: Module32FirstW FAILED\n");
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}
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CloseHandle(snap);
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}
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/// Worker that runs AFTER DllMain returns (loader lock released). ToolHelp and
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/// other loader-touching calls are unsafe under the loader lock, so we defer them
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/// to this thread. This is what fixed the "game exits right after DllMain" issue.
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unsafe extern "system" fn worker(_: *mut core::ffi::c_void) -> u32 {
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write_log("=== fifa17 hook: worker thread start ===\n");
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let main_base = GetModuleHandleA(core::ptr::null()) as usize;
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let img = size_of_image(main_base);
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write_log(&format!(
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"fifa17: main exe base={main_base:#018x} SizeOfImage={img:#x}\n"
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));
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dump_modules();
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write_log("fifa17: worker complete (injection healthy)\n");
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// Every SBC detour is deferred and inert unless its exact environment gate is `1`.
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crate::sbc_hook::install();
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crate::sbc_trace::install();
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crate::sbc_dispatch::install();
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crate::sbc_request_trace::install();
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0
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}
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/// Minimal FIFA-17 install. Keep DllMain itself trivial: only spawn a worker
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/// thread and return immediately, so we never touch the loader lock from here.
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pub unsafe fn install() {
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use windows_sys::Win32::System::Threading::CreateThread;
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write_log("=== fifa17 hook: DllMain ATTACH (spawning worker) ===\n");
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let h = CreateThread(
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core::ptr::null(),
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0,
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Some(worker),
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core::ptr::null(),
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0,
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core::ptr::null_mut(),
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);
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if h == 0 as _ {
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write_log("fifa17: CreateThread FAILED\n");
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}
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}
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