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Cube-World-Mod-Launcher
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clong

This commit is contained in:
ChrisMiuchiz 2019-10-24 18:07:08 -04:00
parent 0ba9eb4078
commit 9ab01582d8
7 changed files with 100 additions and 55 deletions
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7
CubeModLoader/CMakeLists.txt Normal file
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@ -0,0 +1,7 @@
cmake_minimum_required (VERSION 3.8)
project(project_CubeModLoader)
add_library (CubeModLoader SHARED
crc.cpp
DLL.cpp
main.cpp
mutex.cpp)

19
CubeModLoader/GenerateProjectCMake.py Normal file
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@ -0,0 +1,19 @@
from pathlib import Path
import os
path = os.path.dirname(os.path.realpath(__file__))
_, folderName = os.path.split(path)
files = list(Path(path).glob('*.cpp'))
for filename in files:
print(filename)
lines = [
'cmake_minimum_required (VERSION 3.8)',
'project(project_%s)' % folderName,
'add_library (%s SHARED \n %s)' % (folderName, '\n '.join([str(x)[len(path)+1:].replace('\\', '/') for x in files]))
]
with open(os.path.join(path, 'CMakeLists.txt'), 'w') as f:
f.write('\n'.join(lines))

24
CubeModLoader/callbacks/ChatHandler.h
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@ -1,4 +1,4 @@
int ChatHandler(wchar_t* msg) {
extern "C" int ChatHandler(wchar_t* msg) {
for (DLL* dll: modDLLs) {
if (dll->HandleChat) {
if ( ((int(*)(wchar_t*))dll->HandleChat)(msg) ){
@ -8,18 +8,18 @@ int ChatHandler(wchar_t* msg) {
}
return 0;
}
void* ChatHandler_ptr = (void*)&ChatHandler;
void* ASMChatHandler_jmpback;
void* ASMChatHandler_bail;
void no_optimize ASMChatHandler() {
asm(PUSH_ALL
GETTER_VAR(void*, ASMChatHandler_jmpback);
GETTER_VAR(void*, ASMChatHandler_bail);
void ASMChatHandler() {
asm(".intel_syntax \n"
PUSH_ALL
"mov rcx, rbx \n" // The message
PREPARE_STACK
"call [ChatHandler_ptr] \n"
"call ChatHandler \n"
RESTORE_STACK
@ -33,16 +33,16 @@ void no_optimize ASMChatHandler() {
"mov qword ptr [rbp+0x88], 7 \n"
"mov [rbp+0x80], r12 \n"
"mov [rbp+0x70], r12w \n"
"jmp [ASMChatHandler_jmpback] \n"
DEREF_JMP(ASMChatHandler_jmpback)
"bail: \n"
POP_ALL
"jmp [ASMChatHandler_bail]"
DEREF_JMP(ASMChatHandler_bail)
);
}
void SetupChatHandler() {
WriteFarJMP(base+0x97198, (void*)&ASMChatHandler);
ASMChatHandler_jmpback = (void*)base+0x971B0;
ASMChatHandler_bail = (void*)base+0x9777A;
WriteFarJMP(Offset(base, 0x97198), (void*)&ASMChatHandler);
ASMChatHandler_jmpback = Offset(base, 0x971B0);
ASMChatHandler_bail = Offset(base, 0x9777A);
}

26
CubeModLoader/callbacks/CheckInventoryFullHandler.h
View File

@ -1,4 +1,4 @@
int CheckInventoryFullHandler(void* player, void* item) {
extern "C" int CheckInventoryFullHandler(void* player, void* item) {
for (DLL* dll: modDLLs) {
if (dll->HandleCheckInventoryFull) {
if ( int result = ((int(*)(void*, void*))dll->HandleCheckInventoryFull)(player, item) ){
@ -8,15 +8,15 @@ int CheckInventoryFullHandler(void* player, void* item) {
}
return 0;
}
void* CheckInventoryFullHandler_ptr = (void*)&CheckInventoryFullHandler;
void* ASMCheckInventoryFullHandler_jmpback;
void* ASMCheckInventoryFullHandler_retn;
void no_optimize ASMCheckInventoryFullHandler() {
asm(PUSH_ALL
GETTER_VAR(void*, ASMCheckInventoryFullHandler_jmpback);
GETTER_VAR(void*, ASMCheckInventoryFullHandler_retn);
__attribute__((naked)) void ASMCheckInventoryFullHandler() {
asm(".intel_syntax \n"
PUSH_ALL
PREPARE_STACK
"call [CheckInventoryFullHandler_ptr] \n"
"call CheckInventoryFullHandler \n"
RESTORE_STACK
@ -37,22 +37,22 @@ void no_optimize ASMCheckInventoryFullHandler() {
"push r14 \n"
"push r15 \n"
"sub rsp, 0x20 \n"
"jmp [ASMCheckInventoryFullHandler_jmpback] \n"
DEREF_JMP(ASMCheckInventoryFullHandler_jmpback)
"1: \n" //full
POP_ALL
"xor al,al \n"
"jmp [ASMCheckInventoryFullHandler_retn] \n"
DEREF_JMP(ASMCheckInventoryFullHandler_retn)
"2: \n" //not
POP_ALL
"mov al,1 \n"
"jmp [ASMCheckInventoryFullHandler_retn] \n"
DEREF_JMP(ASMCheckInventoryFullHandler_retn)
);
}
void SetupCheckInventoryFullHandler() {
WriteFarJMP(base+0x50670, (void*)&ASMCheckInventoryFullHandler);
ASMCheckInventoryFullHandler_jmpback = (void*)base+0x5067F;
ASMCheckInventoryFullHandler_retn = (void*)base+0x507A0;
WriteFarJMP(Offset(base, 0x50670), (void*)&ASMCheckInventoryFullHandler);
ASMCheckInventoryFullHandler_jmpback = Offset(base, 0x5067F);
ASMCheckInventoryFullHandler_retn = Offset(base, 0x507A0);
}

30
CubeModLoader/callbacks/P2PRequestHandler.h
View File

@ -1,4 +1,4 @@
int P2PRequestHandler(long long steamID) {
extern "C" int P2PRequestHandler(long long steamID) {
for (DLL* dll: modDLLs) {
if (dll->HandleP2PRequest) {
if ( int result = ((int(*)(long long))dll->HandleP2PRequest)(steamID) ){
@ -8,19 +8,19 @@ int P2PRequestHandler(long long steamID) {
}
return 0;
}
void* P2PRequestHandler_ptr = (void*)&P2PRequestHandler;
void* ASMP2PRequestHandler_jmpback;
void* ASMP2PRequestHandler_block;
void* ASMP2PRequestHandler_allow;
void no_optimize ASMP2PRequestHandler() {
asm(PUSH_ALL
GETTER_VAR(void*, ASMP2PRequestHandler_jmpback);
GETTER_VAR(void*, ASMP2PRequestHandler_block);
GETTER_VAR(void*, ASMP2PRequestHandler_allow);
void ASMP2PRequestHandler() {
asm(".intel_syntax \n"
PUSH_ALL
"mov rcx, [rdi] \n" //incoming steam id
PREPARE_STACK
"call [P2PRequestHandler_ptr] \n"
"call P2PRequestHandler \n"
RESTORE_STACK
@ -42,21 +42,21 @@ void no_optimize ASMP2PRequestHandler() {
"mov rax, [rcx] \n"
"call qword ptr [rax+0x18] \n"
"jmp [ASMP2PRequestHandler_jmpback] \n"
DEREF_JMP(ASMP2PRequestHandler_jmpback)
"1: \n" //block
POP_ALL
"jmp [ASMP2PRequestHandler_block] \n"
DEREF_JMP(ASMP2PRequestHandler_block)
"2: \n" //allow
POP_ALL
"jmp [ASMP2PRequestHandler_allow] \n"
DEREF_JMP(ASMP2PRequestHandler_allow)
);
}
void SetupP2PRequestHandler() {
WriteFarJMP(base+0x9F6DF, (void*)&ASMP2PRequestHandler);
ASMP2PRequestHandler_jmpback = (void*)base+0x9F6ED;
ASMP2PRequestHandler_block = (void*)base+0x9F7A6;
ASMP2PRequestHandler_allow = (void*)base+0x9F783;
WriteFarJMP(Offset(base, 0x9F6DF), (void*)&ASMP2PRequestHandler);
ASMP2PRequestHandler_jmpback = Offset(base, 0x9F6ED);
ASMP2PRequestHandler_block = Offset(base, 0x9F7A6);
ASMP2PRequestHandler_allow = Offset(base, 0x9F783);
}

33
CubeModLoader/main.cpp
View File

@ -18,11 +18,11 @@
using namespace std;
void* base; // Module base
vector <DLL*> modDLLs; // Every mod we've loaded
HMODULE hSelf; // A handle to ourself, to prevent being unloaded
void** initterm_eReference; // A pointer-pointer to a function which is run extremely soon after starting, or after being unpacked
void* initterm_e; // A pointer to that function
global void* base; // Module base
global vector <DLL*> modDLLs; // Every mod we've loaded
global HMODULE hSelf; // A handle to ourself, to prevent being unloaded
global void** initterm_eReference; // A pointer-pointer to a function which is run extremely soon after starting, or after being unpacked
GETTER_VAR(void*, initterm_e); // A pointer to that function
#include "callbacks/ChatHandler.h"
#include "callbacks/P2PRequestHandler.h"
@ -38,7 +38,7 @@ void SetupHandlers() {
// Handles injecting callbacks and the mods
bool already_loaded_mods = false;
mutex already_loaded_mods_mtx;
void StartMods() {
extern "C" void StartMods() {
char msg[256] = {0};
already_loaded_mods_mtx.lock();
@ -110,34 +110,33 @@ void StartMods() {
if (hSelf) PrintLoadedMods();
return;
}
void* StartMods_ptr = (void*)&StartMods;
void no_optimize ASMStartMods() {
asm(PUSH_ALL
void ASMStartMods() {
asm(".intel_syntax \n"
PUSH_ALL
PREPARE_STACK
// Initialize mods and callbacks
"call [StartMods_ptr] \n"
"call StartMods \n"
RESTORE_STACK
POP_ALL
// Run initterm_e properly this time.
"jmp [initterm_e] \n"
DEREF_JMP(initterm_e)
);
}
void PatchFreeImage(){
// Patch FreeImage, because Windows 8 and higher do not work properly with it.
DWORD oldProtect;
void* patchaddr = (void*)GetModuleHandleA("FreeImage.dll") + 0x1E8C4E;
void* patchaddr = Offset(GetModuleHandleA("FreeImage.dll"), 0x1E8C4E);
VirtualProtect((LPVOID)patchaddr, 9, PAGE_EXECUTE_READWRITE, &oldProtect);
memset(patchaddr, 0x90, 9);
VirtualProtect((LPVOID)patchaddr, 9, oldProtect, &oldProtect);
patchaddr += 0x14;
patchaddr = Offset(patchaddr, 0x14);
VirtualProtect((LPVOID)patchaddr, 14, PAGE_EXECUTE_READWRITE, &oldProtect);
memset(patchaddr, 0x90, 14);
VirtualProtect((LPVOID)patchaddr, 14, oldProtect, &oldProtect);
@ -145,7 +144,7 @@ void PatchFreeImage(){
void PatchInitterm_ePtr() {
// Get ** to initterm_e
initterm_eReference = (void**)(base + 0x42CBD8);
initterm_eReference = (void**)(Offset(base, 0x42CBD8));
initterm_e = *initterm_eReference;
@ -184,6 +183,10 @@ void WriteFarJMP(void* source, void* destination) {
VirtualProtect(location, 14, dwOldProtection, &dwOldProtection);
}
void* Offset(void* x1, uint64_t x2) {
return (void*)((char*)x1 + x2);
}
bool already_initialized = false;
mutex already_initialized_mtx;
extern "C" __declspec(dllexport) BOOL APIENTRY DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) {

16
CubeModLoader/main.h
View File

@ -28,6 +28,22 @@ dllname->name = GetProcAddress(dllname->handle, #name);
#define PREPARE_STACK "mov rax, rsp \n and rsp, 0xFFFFFFFFFFFFFFF0 \n push rax \n sub rsp, 0x28 \n"
#define RESTORE_STACK "add rsp, 0x28 \n pop rsp \n"
#define GETTER_VAR(vartype, varname)\
static __attribute__((used)) vartype varname;\
extern "C" vartype Get_##varname(){return varname;}
#define DEREF_JMP(varname)\
"sub rsp, 8 \n"\
"push rax \n"\
"call Get_"#varname" \n"\
"mov [rsp+8], rax \n"\
"pop rax \n"\
"ret \n"
#define global static __attribute__((used))
void* Offset(void* x1, uint64_t x2);