Repository navigation
Expand file tree
/
Copy pathRemoteProcess.cs
More file actions
718 lines (576 loc) · 17.3 KB
/
Copy pathRemoteProcess.cs
File metadata and controls
718 lines (576 loc) · 17.3 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
using System;
using System.Collections.Generic;
using System.Diagnostics.Contracts;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using ReClassNET.AddressParser;
using ReClassNET.Core;
using ReClassNET.Debugger;
using ReClassNET.Extensions;
using ReClassNET.MemoryScanner;
using ReClassNET.Native;
using ReClassNET.Symbols;
namespace ReClassNET.Memory
{
public delegate void RemoteProcessEvent(RemoteProcess sender);
public class RemoteProcess : IDisposable, IRemoteMemoryReader, IRemoteMemoryWriter, IProcessReader
{
private readonly object processSync = new object();
private readonly CoreFunctionsManager coreFunctions;
private readonly RemoteDebugger debugger;
private readonly Dictionary<string, Func<RemoteProcess, IntPtr>> formulaCache = new Dictionary<string, Func<RemoteProcess, IntPtr>>();
private readonly Dictionary<IntPtr, string> rttiCache = new Dictionary<IntPtr, string>();
private readonly List<Module> modules = new List<Module>();
private readonly List<Section> sections = new List<Section>();
private readonly SymbolStore symbols = new SymbolStore();
private ProcessInfo process;
private IntPtr handle;
/// <summary>Event which gets invoked when a process was opened.</summary>
public event RemoteProcessEvent ProcessAttached;
/// <summary>Event which gets invoked before a process gets closed.</summary>
public event RemoteProcessEvent ProcessClosing;
/// <summary>Event which gets invoked after a process was closed.</summary>
public event RemoteProcessEvent ProcessClosed;
public CoreFunctionsManager CoreFunctions => coreFunctions;
public RemoteDebugger Debugger => debugger;
public ProcessInfo UnderlayingProcess => process;
public SymbolStore Symbols => symbols;
/// <summary>Gets a copy of the current modules list. This list may change if the remote process (un)loads a module.</summary>
public IEnumerable<Module> Modules
{
get
{
List<Module> cpy;
lock (modules)
{
cpy = modules.ToList();
}
return cpy;
}
}
/// <summary>Gets a copy of the current sections list. This list may change if the remote process (un)loads a section.</summary>
public IEnumerable<Section> Sections
{
get
{
List<Section> cpy;
lock (sections)
{
cpy = sections.ToList();
}
return cpy;
}
}
/// <summary>A map of named addresses.</summary>
public Dictionary<IntPtr, string> NamedAddresses { get; } = new Dictionary<IntPtr, string>();
public bool IsValid => process != null && coreFunctions.IsProcessValid(handle);
public RemoteProcess(CoreFunctionsManager coreFunctions)
{
Contract.Requires(coreFunctions != null);
this.coreFunctions = coreFunctions;
debugger = new RemoteDebugger(this);
}
public void Dispose()
{
Close();
}
/// <summary>Opens the given process to gather informations from.</summary>
/// <param name="info">The process information.</param>
public void Open(ProcessInfo info)
{
Contract.Requires(info != null);
if (process != info)
{
lock (processSync)
{
Close();
rttiCache.Clear();
process = info;
handle = coreFunctions.OpenRemoteProcess(process.Id, ProcessAccess.Full);
}
ProcessAttached?.Invoke(this);
}
}
/// <summary>Closes the underlaying process. If the debugger is attached, it will automaticly detached.</summary>
public void Close()
{
if (process != null)
{
ProcessClosing?.Invoke(this);
lock (processSync)
{
debugger.Terminate();
coreFunctions.CloseRemoteProcess(handle);
handle = IntPtr.Zero;
process = null;
}
ProcessClosed?.Invoke(this);
}
}
#region ReadMemory
public bool ReadRemoteMemoryIntoBuffer(IntPtr address, ref byte[] buffer)
{
Contract.Requires(buffer != null);
Contract.Ensures(Contract.ValueAtReturn(out buffer) != null);
return ReadRemoteMemoryIntoBuffer(address, ref buffer, 0, buffer.Length);
}
public bool ReadRemoteMemoryIntoBuffer(IntPtr address, ref byte[] buffer, int offset, int length)
{
Contract.Requires(buffer != null);
Contract.Requires(offset >= 0);
Contract.Requires(length >= 0);
Contract.Requires(offset + length <= buffer.Length);
Contract.Ensures(Contract.ValueAtReturn(out buffer) != null);
Contract.EndContractBlock();
if (!IsValid)
{
Close();
buffer.FillWithZero();
return false;
}
return coreFunctions.ReadRemoteMemory(handle, address, ref buffer, offset, length);
}
public byte[] ReadRemoteMemory(IntPtr address, int size)
{
Contract.Requires(size >= 0);
Contract.Ensures(Contract.Result<byte[]>() != null);
var data = new byte[size];
ReadRemoteMemoryIntoBuffer(address, ref data);
return data;
}
public T ReadRemoteObject<T>(IntPtr address) where T : struct
{
var data = ReadRemoteMemory(address, Marshal.SizeOf<T>());
var gcHandle = GCHandle.Alloc(data, GCHandleType.Pinned);
var obj = (T)Marshal.PtrToStructure(gcHandle.AddrOfPinnedObject(), typeof(T));
gcHandle.Free();
return obj;
}
#region Read Remote Primitive Types
public sbyte ReadRemoteInt8(IntPtr address)
{
var data = ReadRemoteMemory(address, sizeof(sbyte));
return (sbyte)data[0];
}
public byte ReadRemoteUInt8(IntPtr address)
{
var data = ReadRemoteMemory(address, sizeof(byte));
return data[0];
}
public short ReadRemoteInt16(IntPtr address)
{
var data = ReadRemoteMemory(address, sizeof(short));
return BitConverter.ToInt16(data, 0);
}
public ushort ReadRemoteUInt16(IntPtr address)
{
var data = ReadRemoteMemory(address, sizeof(ushort));
return BitConverter.ToUInt16(data, 0);
}
public int ReadRemoteInt32(IntPtr address)
{
var data = ReadRemoteMemory(address, sizeof(int));
return BitConverter.ToInt32(data, 0);
}
public uint ReadRemoteUInt32(IntPtr address)
{
var data = ReadRemoteMemory(address, sizeof(uint));
return BitConverter.ToUInt32(data, 0);
}
public long ReadRemoteInt64(IntPtr address)
{
var data = ReadRemoteMemory(address, sizeof(long));
return BitConverter.ToInt64(data, 0);
}
public ulong ReadRemoteUInt64(IntPtr address)
{
var data = ReadRemoteMemory(address, sizeof(ulong));
return BitConverter.ToUInt64(data, 0);
}
public float ReadRemoteFloat(IntPtr address)
{
var data = ReadRemoteMemory(address, sizeof(float));
return BitConverter.ToSingle(data, 0);
}
public double ReadRemoteDouble(IntPtr address)
{
var data = ReadRemoteMemory(address, sizeof(double));
return BitConverter.ToDouble(data, 0);
}
public IntPtr ReadRemoteIntPtr(IntPtr address)
{
#if RECLASSNET64
return (IntPtr)ReadRemoteInt64(address);
#else
return (IntPtr)ReadRemoteInt32(address);
#endif
}
#endregion
public string ReadRemoteString(Encoding encoding, IntPtr address, int length)
{
Contract.Requires(encoding != null);
Contract.Requires(length >= 0);
Contract.Ensures(Contract.Result<string>() != null);
var data = ReadRemoteMemory(address, length * encoding.GuessByteCountPerChar());
try
{
var sb = new StringBuilder(encoding.GetString(data));
for (var i = 0; i < sb.Length; ++i)
{
if (sb[i] == '\0')
{
sb.Length = i;
break;
}
if (!sb[i].IsPrintable())
{
sb[i] = '.';
}
}
return sb.ToString();
}
catch
{
return string.Empty;
}
}
public string ReadRemoteStringUntilFirstNullCharacter(Encoding encoding, IntPtr address, int length)
{
Contract.Requires(encoding != null);
Contract.Requires(length >= 0);
Contract.Ensures(Contract.Result<string>() != null);
var data = ReadRemoteMemory(address, length * encoding.GuessByteCountPerChar());
// TODO We should cache the pattern per encoding.
var index = PatternScanner.FindPattern(BytePattern.From(new byte[encoding.GuessByteCountPerChar()]), data);
if (index == -1)
{
index = data.Length;
}
try
{
return encoding.GetString(data, 0, Math.Min(index, data.Length));
}
catch
{
return string.Empty;
}
}
public string ReadRemoteRuntimeTypeInformation(IntPtr address)
{
if (address.MayBeValid())
{
if (!rttiCache.TryGetValue(address, out var rtti))
{
var objectLocatorPtr = ReadRemoteIntPtr(address - IntPtr.Size);
if (objectLocatorPtr.MayBeValid())
{
#if RECLASSNET64
rtti = ReadRemoteRuntimeTypeInformation64(objectLocatorPtr);
#else
rtti = ReadRemoteRuntimeTypeInformation32(objectLocatorPtr);
#endif
rttiCache[address] = rtti;
}
}
return rtti;
}
return null;
}
private string ReadRemoteRuntimeTypeInformation32(IntPtr address)
{
var classHierarchyDescriptorPtr = ReadRemoteIntPtr(address + 0x10);
if (classHierarchyDescriptorPtr.MayBeValid())
{
var baseClassCount = ReadRemoteInt32(classHierarchyDescriptorPtr + 8);
if (baseClassCount > 0 && baseClassCount < 25)
{
var baseClassArrayPtr = ReadRemoteIntPtr(classHierarchyDescriptorPtr + 0xC);
if (baseClassArrayPtr.MayBeValid())
{
var sb = new StringBuilder();
for (var i = 0; i < baseClassCount; ++i)
{
var baseClassDescriptorPtr = ReadRemoteIntPtr(baseClassArrayPtr + (4 * i));
if (baseClassDescriptorPtr.MayBeValid())
{
var typeDescriptorPtr = ReadRemoteIntPtr(baseClassDescriptorPtr);
if (typeDescriptorPtr.MayBeValid())
{
var name = ReadRemoteStringUntilFirstNullCharacter(Encoding.UTF8, typeDescriptorPtr + 0x0C, 60);
if (name.EndsWith("@@"))
{
name = NativeMethods.UndecorateSymbolName("?" + name);
}
sb.Append(name);
sb.Append(" : ");
continue;
}
}
break;
}
if (sb.Length != 0)
{
sb.Length -= 3;
return sb.ToString();
}
}
}
}
return null;
}
private string ReadRemoteRuntimeTypeInformation64(IntPtr address)
{
int baseOffset = ReadRemoteInt32(address + 0x14);
if (baseOffset != 0)
{
var baseAddress = address - baseOffset;
var classHierarchyDescriptorOffset = ReadRemoteInt32(address + 0x10);
if (classHierarchyDescriptorOffset != 0)
{
var classHierarchyDescriptorPtr = baseAddress + classHierarchyDescriptorOffset;
var baseClassCount = ReadRemoteInt32(classHierarchyDescriptorPtr + 0x08);
if (baseClassCount > 0 && baseClassCount < 25)
{
var baseClassArrayOffset = ReadRemoteInt32(classHierarchyDescriptorPtr + 0x0C);
if (baseClassArrayOffset != 0)
{
var baseClassArrayPtr = baseAddress + baseClassArrayOffset;
var sb = new StringBuilder();
for (var i = 0; i < baseClassCount; ++i)
{
var baseClassDescriptorOffset = ReadRemoteInt32(baseClassArrayPtr + (4 * i));
if (baseClassDescriptorOffset != 0)
{
var baseClassDescriptorPtr = baseAddress + baseClassDescriptorOffset;
var typeDescriptorOffset = ReadRemoteInt32(baseClassDescriptorPtr);
if (typeDescriptorOffset != 0)
{
var typeDescriptorPtr = baseAddress + typeDescriptorOffset;
var name = ReadRemoteStringUntilFirstNullCharacter(Encoding.UTF8, typeDescriptorPtr + 0x14, 60);
if (string.IsNullOrEmpty(name))
{
break;
}
if (name.EndsWith("@@"))
{
name = NativeMethods.UndecorateSymbolName("?" + name);
}
sb.Append(name);
sb.Append(" : ");
continue;
}
}
break;
}
if (sb.Length != 0)
{
sb.Length -= 3;
return sb.ToString();
}
}
}
}
}
return null;
}
#endregion
#region WriteMemory
public bool WriteRemoteMemory(IntPtr address, byte[] data)
{
Contract.Requires(data != null);
if (!IsValid)
{
return false;
}
return coreFunctions.WriteRemoteMemory(handle, address, ref data, 0, data.Length);
}
public bool WriteRemoteMemory<T>(IntPtr address, T value) where T : struct
{
var data = new byte[Marshal.SizeOf<T>()];
var gcHandle = GCHandle.Alloc(data, GCHandleType.Pinned);
Marshal.StructureToPtr(value, gcHandle.AddrOfPinnedObject(), false);
gcHandle.Free();
return WriteRemoteMemory(address, data);
}
#endregion
public Section GetSectionToPointer(IntPtr address)
{
lock (sections)
{
var index = sections.BinarySearch(s => address.CompareToRange(s.Start, s.End));
return index < 0 ? null : sections[index];
}
}
public Module GetModuleToPointer(IntPtr address)
{
lock (modules)
{
var index = modules.BinarySearch(m => address.CompareToRange(m.Start, m.End));
return index < 0 ? null : modules[index];
}
}
public Module GetModuleByName(string name)
{
lock (modules)
{
return modules
.FirstOrDefault(m => m.Name.Equals(name, StringComparison.InvariantCultureIgnoreCase));
}
}
/// <summary>Tries to map the given address to a section or a module of the process.</summary>
/// <param name="address">The address to map.</param>
/// <returns>The named address or null if no mapping exists.</returns>
public string GetNamedAddress(IntPtr address)
{
if (NamedAddresses.TryGetValue(address, out var namedAddress))
{
return namedAddress;
}
var section = GetSectionToPointer(address);
if (section != null)
{
if (section.Category == SectionCategory.CODE || section.Category == SectionCategory.DATA)
{
// Code and Data sections belong to a module.
return $"<{section.Category}>{section.ModuleName}.{address.ToString("X")}";
}
if (section.Category == SectionCategory.HEAP)
{
return $"<HEAP>{address.ToString("X")}";
}
}
var module = GetModuleToPointer(address);
if (module != null)
{
return $"{module.Name}.{address.ToString("X")}";
}
return null;
}
public bool EnumerateRemoteSectionsAndModules(out List<Section> sections, out List<Module> modules)
{
if (!IsValid)
{
sections = null;
modules = null;
return false;
}
sections = new List<Section>();
modules = new List<Module>();
coreFunctions.EnumerateRemoteSectionsAndModules(handle, sections.Add, modules.Add);
return true;
}
/// <summary>Updates the process informations.</summary>
public void UpdateProcessInformations()
{
UpdateProcessInformationsAsync().Wait();
}
/// <summary>Updates the process informations asynchronous.</summary>
/// <returns>The Task.</returns>
public Task UpdateProcessInformationsAsync()
{
Contract.Ensures(Contract.Result<Task>() != null);
if (!IsValid)
{
lock(modules)
{
modules.Clear();
}
lock(sections)
{
sections.Clear();
}
// TODO: Mono doesn't support Task.CompletedTask at the moment.
//return Task.CompletedTask;
return Task.FromResult(true);
}
return Task.Run(() =>
{
EnumerateRemoteSectionsAndModules(out var newSections, out var newModules);
newModules.Sort((m1, m2) => m1.Start.CompareTo(m2.Start));
newSections.Sort((s1, s2) => s1.Start.CompareTo(s2.Start));
lock (modules)
{
modules.Clear();
modules.AddRange(newModules);
}
lock (sections)
{
sections.Clear();
sections.AddRange(newSections);
}
});
}
/// <summary>Parse the address formula.</summary>
/// <param name="addressFormula">The address formula.</param>
/// <returns>The result of the parsed address or <see cref="IntPtr.Zero"/>.</returns>
public IntPtr ParseAddress(string addressFormula)
{
Contract.Requires(addressFormula != null);
if (!formulaCache.TryGetValue(addressFormula, out var func))
{
var expression = Parser.Parse(addressFormula);
func = DynamicCompiler.CompileExpression(expression);
formulaCache.Add(addressFormula, func);
}
return func(this);
}
/// <summary>Loads all symbols asynchronous.</summary>
/// <param name="progress">The progress reporter is called for every module. Can be null.</param>
/// <param name="token">The token used to cancel the task.</param>
/// <returns>The task.</returns>
public Task LoadAllSymbolsAsync(IProgress<Tuple<Module, IReadOnlyList<Module>>> progress, CancellationToken token)
{
List<Module> copy;
lock (modules)
{
copy = modules.ToList();
}
// Try to resolve all symbols in a background thread. This can take a long time because symbols are downloaded from the internet.
// The COM objects can only be used in the thread they were created so we can't use them.
// Thats why an other task loads the real symbols afterwards in the UI thread context.
return Task.Run(
() =>
{
foreach (var module in copy)
{
token.ThrowIfCancellationRequested();
progress?.Report(Tuple.Create<Module, IReadOnlyList<Module>>(module, copy));
Symbols.TryResolveSymbolsForModule(module);
}
},
token
)
.ContinueWith(
_ =>
{
foreach (var module in copy)
{
token.ThrowIfCancellationRequested();
try
{
Symbols.LoadSymbolsForModule(module);
}
catch
{
//ignore
}
}
},
token,
TaskContinuationOptions.None,
TaskScheduler.FromCurrentSynchronizationContext()
);
}
public void ControlRemoteProcess(ControlRemoteProcessAction action)
{
if (!IsValid)
{
return;
}
coreFunctions.ControlRemoteProcess(handle, action);
}
}
}