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-rw-r--r--NorthstarDLL/core/hooks.cpp474
1 files changed, 0 insertions, 474 deletions
diff --git a/NorthstarDLL/core/hooks.cpp b/NorthstarDLL/core/hooks.cpp
deleted file mode 100644
index 26b3fe57..00000000
--- a/NorthstarDLL/core/hooks.cpp
+++ /dev/null
@@ -1,474 +0,0 @@
-#include "dedicated/dedicated.h"
-#include "plugins/pluginbackend.h"
-
-#include <iostream>
-#include <wchar.h>
-#include <iostream>
-#include <vector>
-#include <fstream>
-#include <sstream>
-#include <filesystem>
-#include <Psapi.h>
-
-#define XINPUT1_3_DLL "XInput1_3.dll"
-
-AUTOHOOK_INIT()
-
-// called from the ON_DLL_LOAD macros
-__dllLoadCallback::__dllLoadCallback(
- eDllLoadCallbackSide side, const std::string dllName, DllLoadCallbackFuncType callback, std::string uniqueStr, std::string reliesOn)
-{
- // parse reliesOn array from string
- std::vector<std::string> reliesOnArray;
-
- if (reliesOn.length() && reliesOn[0] != '(')
- {
- reliesOnArray.push_back(reliesOn);
- }
- else
- {
- // follows the format (tag, tag, tag)
- std::string sCurrentTag;
- for (int i = 1; i < reliesOn.length(); i++)
- {
- if (!isspace(reliesOn[i]))
- {
- if (reliesOn[i] == ',' || reliesOn[i] == ')')
- {
- reliesOnArray.push_back(sCurrentTag);
- sCurrentTag = "";
- }
- else
- sCurrentTag += reliesOn[i];
- }
- }
- }
-
- switch (side)
- {
- case eDllLoadCallbackSide::UNSIDED:
- {
- AddDllLoadCallback(dllName, callback, uniqueStr, reliesOnArray);
- break;
- }
-
- case eDllLoadCallbackSide::CLIENT:
- {
- AddDllLoadCallbackForClient(dllName, callback, uniqueStr, reliesOnArray);
- break;
- }
-
- case eDllLoadCallbackSide::DEDICATED_SERVER:
- {
- AddDllLoadCallbackForDedicatedServer(dllName, callback, uniqueStr, reliesOnArray);
- break;
- }
- }
-}
-
-void __fileAutohook::Dispatch()
-{
- for (__autovar* var : vars)
- var->Dispatch();
-
- for (__autohook* hook : hooks)
- hook->Dispatch();
-}
-
-void __fileAutohook::DispatchForModule(const char* pModuleName)
-{
- const int iModuleNameLen = strlen(pModuleName);
-
- for (__autohook* hook : hooks)
- if ((hook->iAddressResolutionMode == __autohook::OFFSET_STRING && !strncmp(pModuleName, hook->pAddrString, iModuleNameLen)) ||
- (hook->iAddressResolutionMode == __autohook::PROCADDRESS && !strcmp(pModuleName, hook->pModuleName)))
- hook->Dispatch();
-}
-
-ManualHook::ManualHook(const char* funcName, LPVOID func) : pHookFunc(func), ppOrigFunc(nullptr)
-{
- const int iFuncNameStrlen = strlen(funcName);
- pFuncName = new char[iFuncNameStrlen];
- memcpy(pFuncName, funcName, iFuncNameStrlen);
-}
-
-ManualHook::ManualHook(const char* funcName, LPVOID* orig, LPVOID func) : pHookFunc(func), ppOrigFunc(orig)
-{
- const int iFuncNameStrlen = strlen(funcName);
- pFuncName = new char[iFuncNameStrlen];
- memcpy(pFuncName, funcName, iFuncNameStrlen);
-}
-
-bool ManualHook::Dispatch(LPVOID addr, LPVOID* orig)
-{
- if (orig)
- ppOrigFunc = orig;
-
- if (MH_CreateHook(addr, pHookFunc, ppOrigFunc) == MH_OK)
- {
- if (MH_EnableHook(addr) == MH_OK)
- {
- spdlog::info("Enabling hook {}", pFuncName);
- return true;
- }
- else
- spdlog::error("MH_EnableHook failed for function {}", pFuncName);
- }
- else
- spdlog::error("MH_CreateHook failed for function {}", pFuncName);
-
- return false;
-}
-
-uintptr_t ParseDLLOffsetString(const char* pAddrString)
-{
- // in the format server.dll + 0xDEADBEEF
- int iDllNameEnd = 0;
- for (; !isspace(pAddrString[iDllNameEnd]) && pAddrString[iDllNameEnd] != '+'; iDllNameEnd++)
- ;
-
- char* pModuleName = new char[iDllNameEnd + 1];
- memcpy(pModuleName, pAddrString, iDllNameEnd);
- pModuleName[iDllNameEnd] = '\0';
-
- // get the module address
- const HMODULE pModuleAddr = GetModuleHandleA(pModuleName);
-
- if (!pModuleAddr)
- return 0;
-
- // get the offset string
- uintptr_t iOffset = 0;
-
- int iOffsetBegin = iDllNameEnd;
- int iOffsetEnd = strlen(pAddrString);
-
- // seek until we hit the start of the number offset
- for (; !(pAddrString[iOffsetBegin] >= '0' && pAddrString[iOffsetBegin] <= '9') && pAddrString[iOffsetBegin]; iOffsetBegin++)
- ;
-
- bool bIsHex = pAddrString[iOffsetBegin] == '0' && (pAddrString[iOffsetBegin + 1] == 'X' || pAddrString[iOffsetBegin + 1] == 'x');
- if (bIsHex)
- iOffset = std::stoi(pAddrString + iOffsetBegin + 2, 0, 16);
- else
- iOffset = std::stoi(pAddrString + iOffsetBegin);
-
- return ((uintptr_t)pModuleAddr + iOffset);
-}
-
-// dll load callback stuff
-// this allows for code to register callbacks to be run as soon as a dll is loaded, mainly to allow for patches to be made on dll load
-struct DllLoadCallback
-{
- std::string dll;
- DllLoadCallbackFuncType callback;
- std::string tag;
- std::vector<std::string> reliesOn;
- bool called;
-};
-
-// HACK: declaring and initialising this vector at file scope crashes on debug builds due to static initialisation order
-// using a static var like this ensures that the vector is initialised lazily when it's used
-std::vector<DllLoadCallback>& GetDllLoadCallbacks()
-{
- static std::vector<DllLoadCallback> vec = std::vector<DllLoadCallback>();
- return vec;
-}
-
-void AddDllLoadCallback(std::string dll, DllLoadCallbackFuncType callback, std::string tag, std::vector<std::string> reliesOn)
-{
- DllLoadCallback& callbackStruct = GetDllLoadCallbacks().emplace_back();
-
- callbackStruct.dll = dll;
- callbackStruct.callback = callback;
- callbackStruct.tag = tag;
- callbackStruct.reliesOn = reliesOn;
- callbackStruct.called = false;
-}
-
-void AddDllLoadCallbackForDedicatedServer(
- std::string dll, DllLoadCallbackFuncType callback, std::string tag, std::vector<std::string> reliesOn)
-{
- if (!IsDedicatedServer())
- return;
-
- AddDllLoadCallback(dll, callback, tag, reliesOn);
-}
-
-void AddDllLoadCallbackForClient(std::string dll, DllLoadCallbackFuncType callback, std::string tag, std::vector<std::string> reliesOn)
-{
- if (IsDedicatedServer())
- return;
-
- AddDllLoadCallback(dll, callback, tag, reliesOn);
-}
-
-void MakeHook(LPVOID pTarget, LPVOID pDetour, void* ppOriginal, const char* pFuncName)
-{
- char* pStrippedFuncName = (char*)pFuncName;
- // strip & char from funcname
- if (*pStrippedFuncName == '&')
- pStrippedFuncName++;
-
- if (MH_CreateHook(pTarget, pDetour, (LPVOID*)ppOriginal) == MH_OK)
- {
- if (MH_EnableHook(pTarget) == MH_OK)
- spdlog::info("Enabling hook {}", pStrippedFuncName);
- else
- spdlog::error("MH_EnableHook failed for function {}", pStrippedFuncName);
- }
- else
- spdlog::error("MH_CreateHook failed for function {}", pStrippedFuncName);
-}
-
-AUTOHOOK_ABSOLUTEADDR(_GetCommandLineA, (LPVOID)GetCommandLineA, LPSTR, WINAPI, ())
-{
- static char* cmdlineModified;
- static char* cmdlineOrg;
-
- if (cmdlineOrg == nullptr || cmdlineModified == nullptr)
- {
- cmdlineOrg = _GetCommandLineA();
- bool isDedi = strstr(cmdlineOrg, "-dedicated"); // well, this one has to be a real argument
- bool ignoreStartupArgs = strstr(cmdlineOrg, "-nostartupargs");
-
- std::string args;
- std::ifstream cmdlineArgFile;
-
- // it looks like CommandLine() prioritizes parameters apprearing first, so we want the real commandline to take priority
- // not to mention that cmdlineOrg starts with the EXE path
- args.append(cmdlineOrg);
- args.append(" ");
-
- // append those from the file
-
- if (!ignoreStartupArgs)
- {
-
- cmdlineArgFile = std::ifstream(!isDedi ? "ns_startup_args.txt" : "ns_startup_args_dedi.txt");
-
- if (cmdlineArgFile)
- {
- std::stringstream argBuffer;
- argBuffer << cmdlineArgFile.rdbuf();
- cmdlineArgFile.close();
-
- // if some other command line option includes "-northstar" in the future then you have to refactor this check to check with
- // both either space after or ending with
- if (!isDedi && argBuffer.str().find("-northstar") != std::string::npos)
- MessageBoxA(
- NULL,
- "The \"-northstar\" command line option is NOT supposed to go into ns_startup_args.txt file!\n\nThis option is "
- "supposed to go into Origin/Steam game launch options, and then you are supposed to launch the original "
- "Titanfall2.exe "
- "rather than NorthstarLauncher.exe to make use of it.",
- "Northstar Warning",
- MB_ICONWARNING);
-
- args.append(argBuffer.str());
- }
- }
-
- auto len = args.length();
- cmdlineModified = new char[len + 1];
- if (!cmdlineModified)
- {
- spdlog::error("malloc failed for command line");
- return cmdlineOrg;
- }
- memcpy(cmdlineModified, args.c_str(), len + 1);
- }
-
- return cmdlineModified;
-}
-
-std::vector<std::string> calledTags;
-void CallLoadLibraryACallbacks(LPCSTR lpLibFileName, HMODULE moduleAddress)
-{
- CModule cModule(moduleAddress);
-
- while (true)
- {
- bool bDoneCalling = true;
-
- for (auto& callbackStruct : GetDllLoadCallbacks())
- {
- if (!callbackStruct.called && fs::path(lpLibFileName).filename() == fs::path(callbackStruct.dll).filename())
- {
- bool bShouldContinue = false;
-
- if (!callbackStruct.reliesOn.empty())
- {
- for (std::string tag : callbackStruct.reliesOn)
- {
- if (std::find(calledTags.begin(), calledTags.end(), tag) == calledTags.end())
- {
- bDoneCalling = false;
- bShouldContinue = true;
- break;
- }
- }
- }
-
- if (bShouldContinue)
- continue;
-
- callbackStruct.callback(moduleAddress);
- calledTags.push_back(callbackStruct.tag);
- callbackStruct.called = true;
- }
- }
-
- if (bDoneCalling)
- break;
- }
-}
-
-void CallLoadLibraryWCallbacks(LPCWSTR lpLibFileName, HMODULE moduleAddress)
-{
- CModule cModule(moduleAddress);
-
- while (true)
- {
- bool bDoneCalling = true;
-
- for (auto& callbackStruct : GetDllLoadCallbacks())
- {
- if (!callbackStruct.called && fs::path(lpLibFileName).filename() == fs::path(callbackStruct.dll).filename())
- {
- bool bShouldContinue = false;
-
- if (!callbackStruct.reliesOn.empty())
- {
- for (std::string tag : callbackStruct.reliesOn)
- {
- if (std::find(calledTags.begin(), calledTags.end(), tag) == calledTags.end())
- {
- bDoneCalling = false;
- bShouldContinue = true;
- break;
- }
- }
- }
-
- if (bShouldContinue)
- continue;
-
- callbackStruct.callback(moduleAddress);
- calledTags.push_back(callbackStruct.tag);
- callbackStruct.called = true;
- }
- }
-
- if (bDoneCalling)
- break;
- }
-}
-
-void CallAllPendingDLLLoadCallbacks()
-{
- HMODULE hMods[1024];
- HANDLE hProcess = GetCurrentProcess();
- DWORD cbNeeded;
- unsigned int i;
-
- // Get a list of all the modules in this process.
- if (EnumProcessModules(hProcess, hMods, sizeof(hMods), &cbNeeded))
- {
- for (i = 0; i < (cbNeeded / sizeof(HMODULE)); i++)
- {
- wchar_t szModName[MAX_PATH];
-
- // Get the full path to the module's file.
- if (GetModuleFileNameExW(hProcess, hMods[i], szModName, sizeof(szModName) / sizeof(TCHAR)))
- {
- CallLoadLibraryWCallbacks(szModName, hMods[i]);
- }
- }
- }
-}
-
-// clang-format off
-AUTOHOOK_ABSOLUTEADDR(_LoadLibraryExA, (LPVOID)LoadLibraryExA,
-HMODULE, WINAPI, (LPCSTR lpLibFileName, HANDLE hFile, DWORD dwFlags))
-// clang-format on
-{
- HMODULE moduleAddress;
-
- LPCSTR lpLibFileNameEnd = lpLibFileName + strlen(lpLibFileName);
- LPCSTR lpLibName = lpLibFileNameEnd - strlen(XINPUT1_3_DLL);
-
- // replace xinput dll with one that has ASLR
- if (lpLibFileName <= lpLibName && !strncmp(lpLibName, XINPUT1_3_DLL, strlen(XINPUT1_3_DLL) + 1))
- {
- moduleAddress = _LoadLibraryExA("XInput9_1_0.dll", hFile, dwFlags);
-
- if (!moduleAddress)
- {
- MessageBoxA(0, "Could not find XInput9_1_0.dll", "Northstar", MB_ICONERROR);
- exit(EXIT_FAILURE);
-
- return nullptr;
- }
- }
- else
- moduleAddress = _LoadLibraryExA(lpLibFileName, hFile, dwFlags);
-
- if (moduleAddress)
- {
- CallLoadLibraryACallbacks(lpLibFileName, moduleAddress);
- InformPluginsDLLLoad(fs::path(lpLibFileName), moduleAddress);
- }
-
- return moduleAddress;
-}
-
-// clang-format off
-AUTOHOOK_ABSOLUTEADDR(_LoadLibraryA, (LPVOID)LoadLibraryA,
-HMODULE, WINAPI, (LPCSTR lpLibFileName))
-// clang-format on
-{
- HMODULE moduleAddress = _LoadLibraryA(lpLibFileName);
-
- if (moduleAddress)
- CallLoadLibraryACallbacks(lpLibFileName, moduleAddress);
-
- return moduleAddress;
-}
-
-// clang-format off
-AUTOHOOK_ABSOLUTEADDR(_LoadLibraryExW, (LPVOID)LoadLibraryExW,
-HMODULE, WINAPI, (LPCWSTR lpLibFileName, HANDLE hFile, DWORD dwFlags))
-// clang-format on
-{
- HMODULE moduleAddress = _LoadLibraryExW(lpLibFileName, hFile, dwFlags);
-
- if (moduleAddress)
- CallLoadLibraryWCallbacks(lpLibFileName, moduleAddress);
-
- return moduleAddress;
-}
-
-// clang-format off
-AUTOHOOK_ABSOLUTEADDR(_LoadLibraryW, (LPVOID)LoadLibraryW,
-HMODULE, WINAPI, (LPCWSTR lpLibFileName))
-// clang-format on
-{
- HMODULE moduleAddress = _LoadLibraryW(lpLibFileName);
-
- if (moduleAddress)
- {
- CallLoadLibraryWCallbacks(lpLibFileName, moduleAddress);
- InformPluginsDLLLoad(fs::path(lpLibFileName), moduleAddress);
- }
-
- return moduleAddress;
-}
-
-void InstallInitialHooks()
-{
- if (MH_Initialize() != MH_OK)
- spdlog::error("MH_Initialize (minhook initialization) failed");
-
- AUTOHOOK_DISPATCH()
-}