arxan class [skip ci]
This commit is contained in:
Skull Merlin
parent
34b2fcd4cc
commit
a59bcbf442
164
src/client/component/arxan.cpp
Normal file
164
src/client/component/arxan.cpp
Normal file
@ -0,0 +1,164 @@
|
||||
#include <std_include.hpp>
|
||||
#include "loader/component_loader.hpp"
|
||||
#include "scheduler.hpp"
|
||||
#include "game/game.hpp"
|
||||
|
||||
#include <utils/hook.hpp>
|
||||
|
||||
namespace arxan
|
||||
{
|
||||
namespace
|
||||
{
|
||||
utils::hook::detour nt_close_hook;
|
||||
utils::hook::detour nt_query_information_process_hook;
|
||||
|
||||
NTSTATUS WINAPI nt_query_information_process_stub(const HANDLE handle, const PROCESSINFOCLASS info_class,
|
||||
const PVOID info,
|
||||
const ULONG info_length, const PULONG ret_length)
|
||||
{
|
||||
auto* orig = static_cast<decltype(NtQueryInformationProcess)*>(nt_query_information_process_hook.
|
||||
get_original());
|
||||
const auto status = orig(handle, info_class, info, info_length, ret_length);
|
||||
|
||||
if (NT_SUCCESS(status))
|
||||
{
|
||||
if (info_class == ProcessBasicInformation)
|
||||
{
|
||||
static DWORD explorer_pid = 0;
|
||||
if (!explorer_pid)
|
||||
{
|
||||
auto* const shell_window = GetShellWindow();
|
||||
GetWindowThreadProcessId(shell_window, &explorer_pid);
|
||||
}
|
||||
|
||||
static_cast<PPROCESS_BASIC_INFORMATION>(info)->Reserved3 = PVOID(DWORD64(explorer_pid));
|
||||
}
|
||||
else if (info_class == 30) // ProcessDebugObjectHandle
|
||||
{
|
||||
*static_cast<HANDLE*>(info) = nullptr;
|
||||
|
||||
return 0xC0000353;
|
||||
}
|
||||
else if (info_class == 7) // ProcessDebugPort
|
||||
{
|
||||
*static_cast<HANDLE*>(info) = nullptr;
|
||||
}
|
||||
else if (info_class == 31)
|
||||
{
|
||||
*static_cast<ULONG*>(info) = 1;
|
||||
}
|
||||
}
|
||||
|
||||
return status;
|
||||
}
|
||||
|
||||
NTSTATUS NTAPI nt_close_stub(const HANDLE handle)
|
||||
{
|
||||
char info[16];
|
||||
if (NtQueryObject(handle, OBJECT_INFORMATION_CLASS(4), &info, 2, nullptr) >= 0 && size_t(handle) != 0x12345)
|
||||
{
|
||||
auto* orig = static_cast<decltype(NtClose)*>(nt_close_hook.get_original());
|
||||
return orig(handle);
|
||||
}
|
||||
|
||||
return STATUS_INVALID_HANDLE;
|
||||
}
|
||||
|
||||
LONG WINAPI exception_filter(const LPEXCEPTION_POINTERS info)
|
||||
{
|
||||
if (info->ExceptionRecord->ExceptionCode == STATUS_INVALID_HANDLE)
|
||||
{
|
||||
return EXCEPTION_CONTINUE_EXECUTION;
|
||||
}
|
||||
|
||||
return EXCEPTION_CONTINUE_SEARCH;
|
||||
}
|
||||
|
||||
void hide_being_debugged()
|
||||
{
|
||||
auto* const peb = PPEB(__readgsqword(0x60));
|
||||
peb->BeingDebugged = false;
|
||||
*reinterpret_cast<PDWORD>(LPSTR(peb) + 0xBC) &= ~0x70;
|
||||
}
|
||||
|
||||
void remove_hardware_breakpoints()
|
||||
{
|
||||
CONTEXT context;
|
||||
ZeroMemory(&context, sizeof(context));
|
||||
context.ContextFlags = CONTEXT_DEBUG_REGISTERS;
|
||||
|
||||
auto* const thread = GetCurrentThread();
|
||||
GetThreadContext(thread, &context);
|
||||
|
||||
context.Dr0 = 0;
|
||||
context.Dr1 = 0;
|
||||
context.Dr2 = 0;
|
||||
context.Dr3 = 0;
|
||||
context.Dr6 = 0;
|
||||
context.Dr7 = 0;
|
||||
|
||||
SetThreadContext(thread, &context);
|
||||
}
|
||||
|
||||
BOOL WINAPI set_thread_context_stub(const HANDLE thread, CONTEXT* context)
|
||||
{
|
||||
if (!game::environment::is_sp()
|
||||
&& game::dwGetLogOnStatus() == game::DW_LIVE_CONNECTED
|
||||
&& context->ContextFlags == CONTEXT_DEBUG_REGISTERS)
|
||||
{
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
return SetThreadContext(thread, context);
|
||||
}
|
||||
}
|
||||
|
||||
int just_return()
|
||||
{
|
||||
return 1;
|
||||
}
|
||||
|
||||
class component final : public component_interface
|
||||
{
|
||||
public:
|
||||
void* load_import(const std::string& library, const std::string& function) override
|
||||
{
|
||||
if (function == "SetThreadContext")
|
||||
{
|
||||
//return set_thread_context_stub;
|
||||
}
|
||||
|
||||
if (function == "LoadStringA" || function == "LoadStringW")
|
||||
{
|
||||
return just_return;
|
||||
}
|
||||
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
void post_load() override
|
||||
{
|
||||
hide_being_debugged();
|
||||
scheduler::loop(hide_being_debugged, scheduler::pipeline::async);
|
||||
|
||||
const utils::nt::library ntdll("ntdll.dll");
|
||||
nt_close_hook.create(ntdll.get_proc<void*>("NtClose"), nt_close_stub);
|
||||
nt_query_information_process_hook.create(ntdll.get_proc<void*>("NtQueryInformationProcess"),
|
||||
nt_query_information_process_stub);
|
||||
|
||||
AddVectoredExceptionHandler(1, exception_filter);
|
||||
}
|
||||
|
||||
void post_unpack() override
|
||||
{
|
||||
// cba to implement sp, not sure if it's even needed
|
||||
if (game::environment::is_sp()) return;
|
||||
|
||||
// some of arxan crashes
|
||||
utils::hook::nop(0x14CDEFCAA, 6);
|
||||
utils::hook::call(0x1405BCAD1, &just_return);
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
REGISTER_COMPONENT(arxan::component)
|
||||
@ -51,7 +51,7 @@ launcher::mode detect_mode_from_arguments()
|
||||
}
|
||||
|
||||
|
||||
FARPROC load_binary(const launcher::mode mode)
|
||||
FARPROC load_binary(const launcher::mode mode, uint64_t* base_address)
|
||||
{
|
||||
loader loader;
|
||||
utils::nt::library self;
|
||||
@ -97,11 +97,11 @@ FARPROC load_binary(const launcher::mode mode)
|
||||
if (!utils::io::read_file(binary, &data))
|
||||
{
|
||||
throw std::runtime_error(utils::string::va(
|
||||
"Failed to read game binary (%s)!\nPlease copy the h1-mod.exe into your Call of Duty: Modern Warfare Remastered installation folder and run it from there.",
|
||||
"Failed to read game binary (%s)!\nPlease copy the h1x.exe into your Call of Duty: Modern Warfare Remastered installation folder and run it from there.",
|
||||
binary.data()));
|
||||
}
|
||||
|
||||
return loader.load_library(binary);
|
||||
return loader.load_library(binary, base_address);
|
||||
}
|
||||
|
||||
void remove_crash_file()
|
||||
@ -111,10 +111,10 @@ void remove_crash_file()
|
||||
|
||||
void enable_dpi_awareness()
|
||||
{
|
||||
const utils::nt::library user32{"user32.dll"};
|
||||
const utils::nt::library user32{ "user32.dll" };
|
||||
const auto set_dpi = user32
|
||||
? user32.get_proc<BOOL(WINAPI*)(DPI_AWARENESS_CONTEXT)>("SetProcessDpiAwarenessContext")
|
||||
: nullptr;
|
||||
? user32.get_proc<BOOL(WINAPI*)(DPI_AWARENESS_CONTEXT)>("SetProcessDpiAwarenessContext")
|
||||
: nullptr;
|
||||
if (set_dpi)
|
||||
{
|
||||
set_dpi(DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2);
|
||||
@ -149,48 +149,60 @@ void limit_parallel_dll_loading()
|
||||
|
||||
int main()
|
||||
{
|
||||
ShowWindow(GetConsoleWindow(), SW_HIDE);
|
||||
|
||||
FARPROC entry_point;
|
||||
enable_dpi_awareness();
|
||||
|
||||
// This requires admin privilege, but I suppose many
|
||||
// people will start with admin rights if it crashes.
|
||||
limit_parallel_dll_loading();
|
||||
|
||||
srand(uint32_t(time(nullptr)));
|
||||
remove_crash_file();
|
||||
|
||||
{
|
||||
auto premature_shutdown = true;
|
||||
const auto _ = gsl::finally([&premature_shutdown]()
|
||||
{
|
||||
if (premature_shutdown)
|
||||
{
|
||||
component_loader::pre_destroy();
|
||||
}
|
||||
});
|
||||
if (premature_shutdown)
|
||||
{
|
||||
component_loader::pre_destroy();
|
||||
}
|
||||
});
|
||||
|
||||
try
|
||||
{
|
||||
remove_crash_file();
|
||||
|
||||
if (!component_loader::post_start()) return 0;
|
||||
if (!component_loader::post_start())
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
auto mode = detect_mode_from_arguments();
|
||||
if (mode == launcher::mode::none)
|
||||
{
|
||||
const launcher launcher;
|
||||
mode = launcher.run();
|
||||
if (mode == launcher::mode::none) return 0;
|
||||
if (mode == launcher::mode::none)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
game::environment::set_mode(mode);
|
||||
|
||||
entry_point = load_binary(mode);
|
||||
uint64_t base_address{};
|
||||
entry_point = load_binary(mode, &base_address);
|
||||
if (!entry_point)
|
||||
{
|
||||
throw std::runtime_error("Unable to load binary into memory");
|
||||
}
|
||||
|
||||
if (!component_loader::post_load()) return 0;
|
||||
game::base_address = base_address;
|
||||
//verify_version();
|
||||
|
||||
if (!component_loader::post_load())
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
premature_shutdown = false;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user