Add project files.

InjectionLibrary/ProcessManipulation.cpp

@@ -0,0 +1,89 @@
+#include "pch.h"
+#include <algorithm>
+#include "ProcessManipulation.h"
+
+namespace InjectLibrary
+{
+	const std::string GetProcessName(const DWORD processId)
+	{
+		HANDLE handle = OpenProcess(PROCESS_VM_READ | PROCESS_QUERY_INFORMATION, FALSE, processId);
+		if (handle) {
+			char path[MAX_PATH];
+			char drive[_MAX_DRIVE];
+			char dir[_MAX_DIR];
+			char fname[_MAX_FNAME];
+			char ext[_MAX_EXT];
+			GetModuleFileNameExA(handle, 0, path, sizeof(path));
+			_splitpath_s(path, drive, dir, fname, ext);
+			CloseHandle(handle);
+
+			std::string result = std::string(fname) + std::string(ext);
+			std::transform(result.begin(), result.end(), result.begin(), ::towlower);
+			return result;
+		}
+		return "";
+	}
+
+	const std::string GetCurrentProcessName()
+	{
+		return GetProcessName(GetCurrentProcessId());
+	}
+
+	void StartProcess(const DWORD processId)
+	{
+		DWORD currThread = GetCurrentThreadId();
+		HANDLE snap = CreateToolhelp32Snapshot(TH32CS_SNAPTHREAD, 0);
+		THREADENTRY32 thread;
+		HANDLE threadHandle;
+		if (snap != INVALID_HANDLE_VALUE) {
+			thread.dwSize = sizeof(LPTHREADENTRY32);
+			if (Thread32First(snap, &thread)) {
+				do {
+					if (thread.th32ThreadID != currThread && thread.th32OwnerProcessID != processId) {
+						threadHandle = OpenThread(THREAD_SUSPEND_RESUME, FALSE, thread.th32ThreadID);
+						if (threadHandle == 0) {
+							break;
+						}
+						ResumeThread(threadHandle);
+						CloseHandle(threadHandle);
+					}
+				} while (Thread32Next(snap, &thread));
+			}
+			CloseHandle(snap);
+		}
+	}
+
+	void StartCurrentProcess()
+	{
+		StartProcess(GetCurrentProcessId());
+	}
+
+	void StopProcess(const DWORD processId)
+	{
+		DWORD currThread = GetCurrentThreadId();
+		HANDLE snap = CreateToolhelp32Snapshot(TH32CS_SNAPTHREAD, 0);
+		THREADENTRY32 thread;
+		HANDLE threadHandle;
+		if (snap != INVALID_HANDLE_VALUE) {
+			thread.dwSize = sizeof(LPTHREADENTRY32);
+			if (Thread32First(snap, &thread)) {
+				do {
+					if (thread.th32ThreadID != currThread && thread.th32OwnerProcessID != processId) {
+						threadHandle = OpenThread(THREAD_SUSPEND_RESUME, FALSE, thread.th32ThreadID);
+						if (threadHandle == 0) {
+							break;
+						}
+						SuspendThread(threadHandle);
+						CloseHandle(threadHandle);
+					}
+				} while (Thread32Next(snap, &thread));
+			}
+			CloseHandle(snap);
+		}
+	}
+
+	void StopCurrentProcess()
+	{
+		StopProcess(GetCurrentProcessId());
+	}
+}