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This repository was archived by the owner on Jun 6, 2022. It is now read-only.

Commit 39e6dc1

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author
adaei
committed
Renamed packages. Updated maven repository to include jna dependencies.
Added exceptions for writeprocessmemory and openprocess. Fixed bugs with finding class/window names
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+247
-217
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10 files changed

+247
-217
lines changed

‎java-win-memory-trainer/.classpath

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<?xml version="1.0" encoding="UTF-8"?>
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<classpath>
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<classpathentry kind="src" path="src/main/java"/>
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<classpathentry kind="lib" path="lib/jna.jar"/>
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<classpathentry kind="lib" path="lib/platform.jar"/>
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<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6">
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<attributes>
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<attribute name="maven.pomderived" value="true"/>

‎java-win-memory-trainer/pom.xml

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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.sprogcoder</groupId>
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<artifactId>memoryeditor</artifactId>
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<artifactId>memory-trainer</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<build>
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<sourceDirectory>src/main/java</sourceDirectory>
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<artifactId>guava</artifactId>
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<version>13.0.1</version>
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</dependency>
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<dependency>
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<groupId>net.java.dev.jna</groupId>
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<artifactId>jna</artifactId>
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<version>3.4.0</version>
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</dependency>
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<dependency>
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<groupId>net.java.dev.jna</groupId>
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<artifactId>jna</artifactId>
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<version>3.3.0</version>
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<classifier>platform</classifier>
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</dependency>
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</dependencies>
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</project>

‎java-win-memory-trainer/src/main/java/com/sprogcoder/memory/JKernel32.java

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package com.sprogcoder.memory;
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import com.sun.jna.Memory;
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import com.sun.jna.Native;
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import com.sun.jna.Pointer;
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import com.sun.jna.ptr.IntByReference;
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import com.sun.jna.win32.StdCallLibrary;
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public class JKernel32
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{
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public interface Kernel32 extends StdCallLibrary
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{
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public static final int ACCESS_FLAGS = 0x0439;
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public static final int PROCESS_QUERY_INFORMATION = 0x0400;
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public static final int PROCESS_VM_READ = 0x0010;
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public static final int PROCESS_VM_WRITE = 0x0020;
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public static final int PROCESS_VM_OPERATION = 0x0008;
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public static final int PROCESS_ALL_ACCESS = 0x001F0FFF;
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public static final int FORMAT_MESSAGE_FROM_SYSTEM = 4096;
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public static final int FORMAT_MESSAGE_IGNORE_INSERTS = 512;
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Kernel32 INSTANCE = (Kernel32) Native.loadLibrary("kernel32", Kernel32.class);
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Kernel32 SYNC_INSTANCE = (Kernel32) Native.synchronizedLibrary(INSTANCE);
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int GetLastError();
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int FormatMessageW(int dwFlags, Pointer lpSource, int dwMessageId, int dwLanguageId, char[] lpBuffer, int nSize, Pointer Arguments);
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int OpenProcess(int dwDesiredAccess, int bInheritHandle, int dwProcessId);
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boolean CloseHandle(int hObject);
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int WriteProcessMemory(int hProcess, int lpBaseAddress, int[] lpBuffer, int nSize, int[] lpNumberOfBytesWritten);
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boolean ReadProcessMemory(int hProcess, int baseAddress, Pointer outputBuffer, int nSize, IntByReference outNumberOfBytesRead);
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}
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public static int openProcess(int dwProcessId) throws MemoryException
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{
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int hProcess = Kernel32.SYNC_INSTANCE.OpenProcess(Kernel32.PROCESS_VM_OPERATION | Kernel32.PROCESS_VM_WRITE | Kernel32.PROCESS_VM_READ, 0,
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dwProcessId);
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if (hProcess <= 0)
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{
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throw new MemoryException("OpenProcess", getLastError());
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}
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return hProcess;
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}
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public static boolean closeHandle(int hObject)
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{
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return Kernel32.SYNC_INSTANCE.CloseHandle(hObject);
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}
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public static void writeProcessMemory(int hProcess, int lpBaseAddress, int lpBuffer[]) throws MemoryException
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{
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for (int i = 0; i < lpBuffer.length; i++)
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{
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int[] singleValue = new int[] { lpBuffer[i] };
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int valueLength = Integer.toHexString(singleValue[0]).length();
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int result = Kernel32.SYNC_INSTANCE.WriteProcessMemory(hProcess, lpBaseAddress + (i * 0x00000001), singleValue, valueLength, null);
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if (result <= 0)
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{
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throw new MemoryException("WriteProcessMemory", getLastError());
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}
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}
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}
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public static byte[] readProcessMemory(int hProcess, int lpBaseAddress, int nSize) throws MemoryException
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{
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IntByReference baseAddress = new IntByReference();
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baseAddress.setValue(lpBaseAddress);
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Memory lpBuffer = new Memory(nSize);
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boolean success = Kernel32.SYNC_INSTANCE.ReadProcessMemory(hProcess, lpBaseAddress, lpBuffer, nSize, null);
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if (success)
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{
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return lpBuffer.getByteArray(0, nSize);
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}
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else
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{
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throw new MemoryException("ReadProcessMemory", getLastError());
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}
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}
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public static String getLastError()
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{
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int dwMessageId = Kernel32.SYNC_INSTANCE.GetLastError();
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char[] lpBuffer = new char[1024];
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int lenW = Kernel32.SYNC_INSTANCE.FormatMessageW(Kernel32.FORMAT_MESSAGE_FROM_SYSTEM | Kernel32.FORMAT_MESSAGE_IGNORE_INSERTS, null,
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dwMessageId, 0, lpBuffer, lpBuffer.length, null);
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String message = new String(lpBuffer, 0, lenW);
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return message;
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}
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@SuppressWarnings("serial")
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public static class MemoryException extends Exception
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{
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public MemoryException(String functionName, String message)
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{
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super(String.format("Kernel32 Function %s failed:\n\t%s", functionName, message));
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}
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}
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}

‎java-win-memory-trainer/src/main/java/com/sprogcoder/memory/JTrainer.java

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package com.sprogcoder.memory;
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import com.sprogcoder.memory.JKernel32.MemoryException;
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import com.sprogcoder.memory.JUser32.WindowNotFoundException;
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public class JTrainer
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{
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private int pid = -1;
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private String windowClass = "";
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private String windowText = "";
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public JTrainer(int pid)
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{
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this.pid = pid;
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}
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public JTrainer(String windowClass, String windowText) throws WindowNotFoundException
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{
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this.windowClass = windowClass;
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this.windowText = windowText;
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this.pid = JUser32.getWindowThreadProcessId(JUser32.findWindow(windowClass, windowText));
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}
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public void writeProcessMemory(int lpBaseAddress, int lpBuffer[]) throws MemoryException
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{
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int hProcess = JKernel32.openProcess(pid);
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JKernel32.writeProcessMemory(hProcess, lpBaseAddress, lpBuffer);
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JKernel32.closeHandle(hProcess);
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}
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public byte[] readProcessMemory(int lpBaseAddress, int nSize) throws MemoryException
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{
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int hProcess = JKernel32.openProcess(pid);
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byte[] result = JKernel32.readProcessMemory(hProcess, lpBaseAddress, nSize);
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JKernel32.closeHandle(hProcess);
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return result;
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}
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public String getLastError()
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{
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return JKernel32.getLastError();
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}
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public void retryProcess() throws WindowNotFoundException
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{
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if (!isProcessAvailable())
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{
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this.pid = JUser32.getWindowThreadProcessId(JUser32.findWindow(windowClass, windowText));
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}
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}
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public boolean isProcessAvailable()
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{
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try
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{
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JKernel32.openProcess(this.pid);
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return true;
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}
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catch (MemoryException e)
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{
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//
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}
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return false;
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}
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}

‎java-win-memory-trainer/src/main/java/com/sprogcoder/memory/JUser32.java

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package com.sprogcoder.memory;
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import com.sun.jna.Native;
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import com.sun.jna.platform.win32.WinDef.HWND;
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import com.sun.jna.win32.StdCallLibrary;
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public class JUser32
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{
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public interface User32 extends StdCallLibrary
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{
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User32 INSTANCE = (User32) Native.loadLibrary("user32", User32.class);
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User32 SYNC_INSTANCE = (User32) Native.synchronizedLibrary(INSTANCE);
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HWND FindWindowA(String lpClassName, String lpWindowName);
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int GetWindowThreadProcessId(HWND hWnd, int[] lpdwProcessId);
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}
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public static HWND findWindow(String lpClassName, String lpWindowName) throws WindowNotFoundException
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{
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lpClassName = (lpClassName == null || lpClassName.equals("")) ? null : lpClassName;
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lpWindowName = (lpWindowName == null || lpWindowName.equals("")) ? null : lpWindowName;
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HWND hWnd = User32.SYNC_INSTANCE.FindWindowA(lpClassName, lpWindowName);
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if (hWnd == null)
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{
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throw new WindowNotFoundException(lpClassName, lpWindowName);
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}
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return hWnd;
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}
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public static int getWindowThreadProcessId(HWND hWnd)
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{
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int[] lpdwProcessId = new int[1];
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User32.SYNC_INSTANCE.GetWindowThreadProcessId(hWnd, lpdwProcessId);
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return lpdwProcessId[0];
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}
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@SuppressWarnings("serial")
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public static class WindowNotFoundException extends Exception
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{
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public WindowNotFoundException(String className, String windowName)
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{
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super(String.format("Window Handle null for className: %s; windowName: %s", className, windowName));
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}
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}
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}

‎java-win-memory-trainer/src/main/java/com/sprogcoder/memory/editor/MemoryUtils.java renamed to ‎java-win-memory-trainer/src/main/java/com/sprogcoder/memory/MemoryUtils.java

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package com.sprogcoder.memory.editor;
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package com.sprogcoder.memory;
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import java.util.Arrays;
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import java.util.Collections;

‎java-win-memory-trainer/src/main/java/com/sprogcoder/memory/editor/JKernel32.java

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