/[RomCheater]/trunk/Win32/Sojaner.MemoryScanner/MemoryScanner.cs
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Diff of /trunk/Win32/Sojaner.MemoryScanner/MemoryScanner.cs

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--- trunk/Win32/Sojaner.MemoryScanner/MemoryScanner.cs	2012/05/09 20:52:20	88
+++ trunk/Win32/Sojaner.MemoryScanner/MemoryScanner.cs	2012/06/03 14:50:09	245
@@ -4,6 +4,9 @@
 using System.Diagnostics;
 using System.Threading;
 using System.Runtime.InteropServices;
+using RomCheater.Logging;
+using System.IO;
+using Sojaner.MemoryScanner.MemoryProviers;
 
 namespace Sojaner.MemoryScanner
 {
@@ -11,7 +14,7 @@
     #region ProcessMemoryReader class
     //Thanks goes to Arik Poznanski for P/Invokes and methods needed to read and write the Memory
     //For more information refer to "Minesweeper, Behind the scenes" article by Arik Poznanski at Codeproject.com
-    public class ProcessMemoryReader
+    internal class ProcessMemoryReader : IMemoryReader, IMemoryWriter, IFileWriter
     {
 
         public ProcessMemoryReader()
@@ -35,7 +38,7 @@
 
         private Process m_ReadProcess = null;
 
-        private IntPtr m_hProcess = IntPtr.Zero;
+        private static IntPtr m_hProcess = IntPtr.Zero;
 
         public void OpenProcess()
         {
@@ -58,38 +61,20 @@
                     throw new Exception("CloseHandle failed");
                 }
             }
+            catch (SEHException ex)
+            {
+                throw ex;
+            }
             catch (Exception ex)
             {
                 //System.Windows.Forms.MessageBox.Show(ex.Message, "error", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Warning);
                 throw ex;
             }
         }
-
-        public byte[] ReadProcessMemory(IntPtr MemoryAddress, uint bytesToRead, out int bytesRead)
-        {
-            byte[] buffer = new byte[bytesToRead];
-
-            IntPtr ptrBytesRead;
-            ProcessMemoryReaderApi.ReadProcessMemory(m_hProcess, MemoryAddress, buffer, bytesToRead, out ptrBytesRead);
-
-            bytesRead = ptrBytesRead.ToInt32();
-
-            return buffer;
-        }
-
-        public void WriteProcessMemory(IntPtr MemoryAddress, byte[] bytesToWrite, out int bytesWritten)
-        {
-            IntPtr ptrBytesWritten;
-            ProcessMemoryReaderApi.WriteProcessMemory(m_hProcess, MemoryAddress, bytesToWrite, (uint)bytesToWrite.Length, out ptrBytesWritten);
-
-            bytesWritten = ptrBytesWritten.ToInt32();
-        }
-
-
         /// <summary>
         /// ProcessMemoryReader is a class that enables direct reading a process memory
         /// </summary>
-        class ProcessMemoryReaderApi
+        private class ProcessMemoryReaderApi
         {
             // constants information can be found in <winnt.h>
             [Flags]
@@ -146,6 +131,177 @@
 
 
         }
+
+        #region IMemoryReader Members
+        public bool ReadFirstNonZeroByte(uint MemoryAddress, uint bytesToRead, out uint address)
+        {
+            //logger.Info.WriteLine("Dumping memory (0x{0:x8}-0x{1:x8}) from pid=({2})", MemoryAddress, MemoryAddress + bytesToRead, string.Format("0x{0:x4} {1}.exe", ppid.Id, ppid.ProcessName));
+            address = 0;
+            uint byte_alignment = 1;
+            // get common init parameters
+            //InitMemoryDump(out byte_alignment);
+            uint mem_address = MemoryAddress;
+            uint _bytesToRead = bytesToRead;
+            byte[] buffer = new byte[] { };
+            try
+            {
+                //using (MemoryStream ms = new MemoryStream())
+                //{
+                //    //BinaryWriter bw = new BinaryWriter(ms);
+                //    //foreach (byte b in data) { bw.Write(b); }
+                for (uint i = 0; i <= bytesToRead; )
+                {
+                    if (_bytesToRead < byte_alignment)
+                    {
+                        _bytesToRead = bytesToRead;
+                        buffer = new byte[_bytesToRead];
+                    }
+                    else
+                    {
+                        _bytesToRead = byte_alignment;
+                        buffer = new byte[byte_alignment];
+                    }
+                    int bytesRead = 0;
+                    ReadProcessMemory(mem_address, _bytesToRead, out bytesRead, out buffer);
+                    if (buffer.Length == 0 && bytesRead == 0)
+                    {
+                        throw new Exception(string.Format("Failed to read memory from process: {0}", ReadProcess.ToString()));
+                    }
+                    //bw.Write(buffer);
+                    //bw.Flush();
+                    if (_bytesToRead < byte_alignment)
+                    {
+                        i += _bytesToRead;
+                        mem_address += (uint)_bytesToRead;
+                    }
+                    else
+                    {
+                        i += byte_alignment;
+                        mem_address += (uint)byte_alignment;
+                    }
+                    for (uint j = 0; j < buffer.Length; j++)
+                    {
+                        if (buffer[j] != 0)
+                        {
+                            address = mem_address;
+                            break;
+                        }
+                    }
+                    if (address != 0)
+                        break;
+                }
+                //    bw.Close();
+                //}
+                //logger.Info.WriteLine("Succefully dumped memory (0x{0:x8}-0x{1:x8}) from pid=({2})", MemoryAddress, MemoryAddress + bytesToRead, string.Format("0x{0:x4} {1}.exe", ppid.Id, ppid.ProcessName));
+                return true;
+            }
+            catch (OutOfMemoryException ex)
+            {
+                logger.Error.WriteLine("Failed to dump memory (0x{0:x8}-0x{1:x8}) from pid=({2})", MemoryAddress, MemoryAddress + bytesToRead, string.Format("0x{0:x4} {1}.exe", ReadProcess.Id, ReadProcess.ProcessName));
+                logger.Error.WriteLine("DumpMemory(): OutOfMemoryException");
+                logger.Error.WriteLine(ex.ToString());
+            }
+            catch (Exception ex)
+            {
+                logger.Error.WriteLine("Failed to dump memory (0x{0:x8}-0x{1:x8}) from pid=({2})", MemoryAddress, MemoryAddress + bytesToRead, string.Format("0x{0:x4} {1}.exe", ReadProcess.Id, ReadProcess.ProcessName));
+                logger.Error.WriteLine("DumpMemory(): Exception");
+                logger.Error.WriteLine(ex.ToString());
+            }
+            return false;
+        }
+        public void ReadProcessMemory(uint MemoryAddress, uint bytesToRead, out int bytesRead, out byte[] data)
+        {
+            byte[] buffer = new byte[] { };
+            IntPtr ptrBytesRead;
+            ProcessMemoryReader.ProcessMemoryReaderApi.ReadProcessMemory(m_hProcess, (IntPtr)MemoryAddress, buffer, bytesToRead, out ptrBytesRead);
+            bytesRead = ptrBytesRead.ToInt32();
+            data = buffer;
+        }
+        #endregion
+
+        #region IMemoryWriter Members
+        public void WriteProcessMemory(uint MemoryAddress, byte byteToWrite, out int bytesWritten)
+        {
+            WriteProcessMemory(MemoryAddress, new byte[] { byteToWrite }, out bytesWritten);
+        }
+        public void WriteProcessMemory(uint MemoryAddress, byte[] bytesToWrite, out int bytesWritten)
+        {
+            IntPtr ptrBytesWritten;
+            ProcessMemoryReaderApi.WriteProcessMemory(m_hProcess, (IntPtr)MemoryAddress, bytesToWrite, (uint)bytesToWrite.Length, out ptrBytesWritten);
+            bytesWritten = ptrBytesWritten.ToInt32();
+        }
+        #endregion
+
+        #region IFileWriter Members
+
+        public bool WriteProcessMemoryToFile(string filename, uint MemoryAddress, uint bytesToRead, out int bytesRead)
+        {
+            //logger.Info.WriteLine("Dumping memory (0x{0:x8}-0x{1:x8}) from pid=({3}) to file {2}", MemoryAddress, MemoryAddress + bytesToRead, filename, string.Format("0x{0:x4} {1}.exe", ppid.Id, ppid.ProcessName));
+            bytesRead = 0;
+            uint byte_alignment = 102400;
+            uint address = MemoryAddress;
+            uint _bytesToRead = bytesToRead;
+            byte[] buffer = new byte[] { };
+            try
+            {
+                FileInfo fi = new FileInfo(filename);
+                if (fi.Exists)
+                    fi.Delete();
+                using (FileStream fs = new FileStream(filename, FileMode.CreateNew, FileAccess.ReadWrite, FileShare.ReadWrite))
+                {
+                    BinaryWriter bw = new BinaryWriter(fs);
+                    //foreach (byte b in data) { bw.Write(b); }
+
+                    for (uint i = 0; i <= bytesToRead; )
+                    {
+                        if (_bytesToRead < byte_alignment)
+                        {
+                            _bytesToRead = bytesToRead;
+                            buffer = new byte[_bytesToRead];
+                        }
+                        else
+                        {
+                            _bytesToRead = byte_alignment;
+                            buffer = new byte[byte_alignment];
+                        }
+                        ReadProcessMemory(address, _bytesToRead, out bytesRead, out buffer);
+                        bw.Write(buffer);
+                        bw.Flush();
+
+                        if (_bytesToRead < byte_alignment)
+                        {
+                            i += _bytesToRead;
+                            address += (uint)_bytesToRead;
+                        }
+                        else
+                        {
+                            i += byte_alignment;
+                            address += (uint)byte_alignment;
+                        }
+
+
+                    }
+                    bw.Close();
+                }
+                logger.Info.WriteLine("Succefully dumped memory (0x{0:x8}-0x{1:x8}) from pid=({3}) to file {2}", MemoryAddress, MemoryAddress + bytesToRead, filename, string.Format("0x{0:x4} {1}.exe", ReadProcess.Id, ReadProcess.ProcessName));
+                return true;
+            }
+            catch (OutOfMemoryException ex)
+            {
+                logger.Error.WriteLine("Failed to dump memory (0x{0:x8}-0x{1:x8}) from pid=({3}) to file {2}", MemoryAddress, MemoryAddress + bytesToRead, filename, string.Format("0x{0:x4} {1}.exe", ReadProcess.Id, ReadProcess.ProcessName));
+                logger.Error.WriteLine("DumpMemory(): OutOfMemoryException");
+                logger.Error.WriteLine(ex.ToString());
+            }
+            catch (Exception ex)
+            {
+                logger.Error.WriteLine("Failed to dump memory (0x{0:x8}-0x{1:x8}) from pid=({3}) to file {2}", MemoryAddress, MemoryAddress + bytesToRead, filename, string.Format("0x{0:x4} {1}.exe", ReadProcess.Id, ReadProcess.ProcessName));
+                logger.Error.WriteLine("DumpMemory(): Exception");
+                logger.Error.WriteLine(ex.ToString());
+            }
+            return false;
+        }
+
+        #endregion
     }
     #endregion
 }

 

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