aboutsummaryrefslogtreecommitdiff
path: root/NorthstarDedicatedTest/NSMem.h
diff options
context:
space:
mode:
Diffstat (limited to 'NorthstarDedicatedTest/NSMem.h')
-rw-r--r--NorthstarDedicatedTest/NSMem.h193
1 files changed, 0 insertions, 193 deletions
diff --git a/NorthstarDedicatedTest/NSMem.h b/NorthstarDedicatedTest/NSMem.h
deleted file mode 100644
index 9b1f9103..00000000
--- a/NorthstarDedicatedTest/NSMem.h
+++ /dev/null
@@ -1,193 +0,0 @@
-#pragma once
-#include "pch.h"
-
-// KittenPopo's memory stuff, made for northstar (because I really can't handle working with northstar's original memory stuff tbh)
-
-#pragma region Pattern Scanning
-namespace NSMem
-{
- inline std::vector<int> HexBytesToString(const char* str)
- {
- std::vector<int> patternNums;
- int size = strlen(str);
- for (int i = 0; i < size; i++)
- {
- char c = str[i];
-
- // If this is a space character, ignore it
- if (c == ' ' || c == '\t')
- continue;
-
- if (c == '?')
- {
- // Add a wildcard (-1)
- patternNums.push_back(-1);
- }
- else if (i < size - 1)
- {
- BYTE result = 0;
- for (int j = 0; j < 2; j++)
- {
- int val = 0;
- char c = *(str + i + j);
- if (c >= 'a')
- {
- val = c - 'a' + 0xA;
- }
- else if (c >= 'A')
- {
- val = c - 'A' + 0xA;
- }
- else if (isdigit(c))
- {
- val = c - '0';
- }
- else
- {
- assert(false);
- val = -1;
- }
-
- result += (j == 0) ? val * 16 : val;
- }
- patternNums.push_back(result);
- }
-
- i++;
- }
-
- return patternNums;
- }
-
- inline void* PatternScan(void* module, const int* pattern, int patternSize, int offset)
- {
- if (!module)
- return NULL;
-
- auto dosHeader = (PIMAGE_DOS_HEADER)module;
- auto ntHeaders = (PIMAGE_NT_HEADERS)((BYTE*)module + dosHeader->e_lfanew);
-
- auto sizeOfImage = ntHeaders->OptionalHeader.SizeOfImage;
-
- auto scanBytes = (BYTE*)module;
-
- for (auto i = 0; i < sizeOfImage - patternSize; ++i)
- {
- bool found = true;
- for (auto j = 0; j < patternSize; ++j)
- {
- if (scanBytes[i + j] != pattern[j] && pattern[j] != -1)
- {
- found = false;
- break;
- }
- }
-
- if (found)
- {
- uintptr_t addressInt = (uintptr_t)(&scanBytes[i]) + offset;
- return (uint8_t*)addressInt;
- }
- }
-
- return nullptr;
- }
-
- inline void* PatternScan(const char* moduleName, const char* pattern, int offset = 0)
- {
- std::vector<int> patternNums = HexBytesToString(pattern);
-
- return PatternScan(GetModuleHandleA(moduleName), &patternNums[0], patternNums.size(), offset);
- }
-
- inline void BytePatch(uintptr_t address, const BYTE* vals, int size)
- {
- WriteProcessMemory(GetCurrentProcess(), (LPVOID)address, vals, size, NULL);
- }
-
- inline void BytePatch(uintptr_t address, std::initializer_list<BYTE> vals)
- {
- std::vector<BYTE> bytes = vals;
- if (!bytes.empty())
- BytePatch(address, &bytes[0], bytes.size());
- }
-
- inline void BytePatch(uintptr_t address, const char* bytesStr)
- {
- std::vector<int> byteInts = HexBytesToString(bytesStr);
- std::vector<BYTE> bytes;
- for (int v : byteInts)
- bytes.push_back(v);
-
- if (!bytes.empty())
- BytePatch(address, &bytes[0], bytes.size());
- }
-
- inline void NOP(uintptr_t address, int size)
- {
- BYTE* buf = (BYTE*)malloc(size);
- memset(buf, 0x90, size);
- BytePatch(address, buf, size);
- free(buf);
- }
-
- inline bool IsMemoryReadable(void* ptr, size_t size)
- {
- static SYSTEM_INFO sysInfo;
- if (!sysInfo.dwPageSize)
- GetSystemInfo(&sysInfo); // This should always be 4096 unless ur playing on NES or some shit but whatever
-
- MEMORY_BASIC_INFORMATION memInfo;
-
- if (!VirtualQuery(ptr, &memInfo, sizeof(memInfo)))
- return false;
-
- if (memInfo.RegionSize < size)
- return false;
-
- return (memInfo.State & MEM_COMMIT) && !(memInfo.Protect & PAGE_NOACCESS);
- }
-} // namespace NSMem
-
-#pragma region KHOOK
-struct KHookPatternInfo
-{
- const char *moduleName, *pattern;
- int offset = 0;
-
- KHookPatternInfo(const char* moduleName, const char* pattern, int offset = 0) : moduleName(moduleName), pattern(pattern), offset(offset)
- {
- }
-};
-
-struct KHook
-{
- KHookPatternInfo targetFunc;
- void* targetFuncAddr;
- void* hookFunc;
- void** original;
-
- static inline std::vector<KHook*> _allHooks;
-
- KHook(KHookPatternInfo targetFunc, void* hookFunc, void** original) : targetFunc(targetFunc)
- {
- this->hookFunc = hookFunc;
- this->original = original;
- _allHooks.push_back(this);
- }
-
- bool Setup()
- {
- targetFuncAddr = NSMem::PatternScan(targetFunc.moduleName, targetFunc.pattern, targetFunc.offset);
- if (!targetFuncAddr)
- return false;
-
- return (MH_CreateHook(targetFuncAddr, hookFunc, original) == MH_OK) && (MH_EnableHook(targetFuncAddr) == MH_OK);
- }
-};
-#define KHOOK(name, funcPatternInfo, returnType, convention, args) \
- returnType convention hk##name args; \
- auto o##name = (returnType(convention*) args)0; \
- KHook k##name = KHook(KHookPatternInfo funcPatternInfo, reinterpret_cast<void*>(&hk##name), (void**)&o##name); \
- returnType convention hk##name args
-#pragma endregion