/[RomCheater]/trunk/RomCheater.CorePlugins/Config/PCSX2Config.cs
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Contents of /trunk/RomCheater.CorePlugins/Config/PCSX2Config.cs

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Revision 92 - (show annotations) (download)
Wed May 9 21:42:21 2012 UTC (9 years, 5 months ago) by william
File size: 6683 byte(s)

1 using System;
2 using System.Collections.Generic;
3 using System.Linq;
4 using System.Text;
5 using RomCheater.PluginFramework.Core;
6 using System.IO;
7 using System.Diagnostics;
8
9 namespace RomCheater.CorePlugins.Config
10 {
11 public sealed class PCSX2Config : ConfigPlugin
12 {
13 #region Configuration Memvers
14 const string PCXS2_PROCESS_MAGIC = "pcsx2";
15 const string PCXS2_LOOKUP_MAGIC_001 = "pcsx2";
16 const string PCXS2_LOOKUP_MAGIC_002 = "compiled on";
17
18 const uint VTLB_VADDR_OFFSET_DEBUG = 0x20000000;
19 #endregion
20
21 public PCSX2Config() : base(false) { }
22 public PCSX2Config(bool doinit) : base(doinit) { }
23
24
25 protected override bool IsNotValidProcess(ProcContainer p)
26 {
27 bool isDebug = false;
28 uint VTLB_RELEASE_OFFSET = 0;
29 return !IsValidPSX2Process(p.ProcessInfo.Id, out isDebug, out VTLB_RELEASE_OFFSET);
30 }
31 #region IPluginBase Members
32 public override Guid Id
33 {
34 get
35 {
36 return new GuidGenerator(typeof(PCSX2Config).FullName).Guid;
37 }
38 }
39 public override string Name
40 {
41 get { return "PCSX2 Configuration Plugin"; }
42 }
43 public override string Description
44 {
45 get { return "This plugin provides a configuration suitable for use with PCSX2"; }
46 }
47 #endregion
48
49 private static bool IsValidPSX2Process(int pid, out bool isDebug, out uint VTLB_RELEASE_OFFSET)
50 {
51 bool isValid = false;
52 isDebug = false;
53 VTLB_RELEASE_OFFSET = 0;
54 try
55 {
56 Process p = Process.GetProcessById(pid);
57 string filename = p.MainModule.FileName;
58
59 FileStream fs = new FileStream(filename, FileMode.Open, FileAccess.Read);
60 BinaryReader r = new BinaryReader(fs);
61 byte[] exe_check = new byte[] {
62 0x4D, 0x5A, 0x90, 0x00, 0x03, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00,
63 0xB8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
64 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
65 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00,
66 0x0E, 0x1F, 0xBA, 0x0E, 0x00, 0xB4, 0x09, 0xCD, 0x21, 0xB8, 0x01, 0x4C, 0xCD, 0x21, 0x54, 0x68,
67 0x69, 0x73, 0x20, 0x70, 0x72, 0x6F, 0x67, 0x72, 0x61, 0x6D, 0x20, 0x63, 0x61, 0x6E, 0x6E, 0x6F,
68 0x74, 0x20, 0x62, 0x65, 0x20, 0x72, 0x75, 0x6E, 0x20, 0x69, 0x6E, 0x20, 0x44, 0x4F, 0x53, 0x20,
69 0x6D, 0x6F, 0x64, 0x65, 0x2E
70 };
71
72 r.BaseStream.Seek(0, SeekOrigin.Begin);
73 byte[] data = r.ReadBytes(exe_check.Length);
74 bool isExe = false;
75 for (int i = 0; i < exe_check.Length; i++) { if (exe_check[i] == data[i]) { isExe = true; } else { isExe = false; } }
76 r.Close();
77 if (!isExe)
78 {
79 isValid = false;
80 }
81 else
82 {
83 // check for valid pcsx2 exe
84 fs = new FileStream(filename, FileMode.Open, FileAccess.Read);
85 StreamReader sr = new StreamReader(fs);
86 string found_string = sr.ReadToEnd();
87 if (found_string.ToLower().Contains(PCXS2_LOOKUP_MAGIC_001.ToLower()) && found_string.ToLower().Contains(PCXS2_LOOKUP_MAGIC_002.ToLower()))
88 {
89 isValid = true;
90 }
91 sr.Close();
92
93 // check for debug
94 fs = new FileStream(filename, FileMode.Open, FileAccess.Read);
95 sr = new StreamReader(fs);
96 found_string = sr.ReadToEnd();
97 // DebugBreak should only be present in debug build version(s) of pcsx2
98 if (found_string.ToLower().Contains("DebugBreak".ToLower()))
99 {
100 isDebug = true;
101 }
102 sr.Close();
103 }
104 //this.IsDebugBuild = isDebug;
105
106 // run check to see if we have a later version with offset fixed at: 0x20000000
107
108
109 byte[] entrypoint_data = new byte[]{
110 0x01, 0x80, 0x1A, 0x3C, 0x78, 0x53, 0x59, 0xFF, 0x00, 0x68, 0x19, 0x40,
111 0x01, 0x80, 0x1A, 0x3C, 0x7C, 0x00, 0x39, 0x33, 0x21, 0xD0, 0x59, 0x03,
112 0x40, 0x53, 0x5A, 0x8F, 0x01, 0x80, 0x19, 0x3C, 0x08, 0x00, 0x40, 0x03,
113 0x78, 0x53, 0x39, 0xDF
114 };
115
116 //uint address = ramdumper.VTLB_VADDR_OFFSET_DEBUG;
117 Sojaner.MemoryScanner.ProcessMemoryReader reader = new Sojaner.MemoryScanner.ProcessMemoryReader();
118 reader.ReadProcess = p;
119 reader.OpenProcess();
120 int bytesReadSize;
121 byte[] check_data = reader.ReadProcessMemory((IntPtr)VTLB_VADDR_OFFSET_DEBUG, (uint)entrypoint_data.Length, out bytesReadSize);
122
123 isDebug = check_data.SequenceEqual(entrypoint_data);
124 //List<uint> addresses = new List<uint>();
125 if (!isDebug)
126 {
127
128 for (int i = 0x1000; i < 0x2000;i++ )
129 {
130 try
131 {
132 uint t = ((uint)i << 16) | 0x5000;
133 check_data = reader.ReadProcessMemory((IntPtr)t, (uint)entrypoint_data.Length, out bytesReadSize);
134 isValid = check_data.SequenceEqual(entrypoint_data);
135 if (isValid)
136 {
137 //addresses.Add(t);
138 VTLB_RELEASE_OFFSET = t;
139 break; //use only the first valid value
140 }
141 }
142 catch { }
143 }
144
145 }
146 reader.CloseHandle();
147 return isValid;
148 }
149 catch (System.ComponentModel.Win32Exception) { }
150 catch (Exception) { }
151 return isValid;
152 }
153 }
154 }

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