示例#1
0
        /// <summary>
        /// Wait until all threads are done. Pretty much hardcoded.
        /// </summary>
        private void WaitMakeSure()
        {
            int occ = 0;

            long prevState = 0;

            while (true)
            {
                if (occ < 3 && _inWork == 0)
                {
                    occ++;
                }
                else if (occ >= 3)
                {
                    break;
                }
                else
                {
                    occ = 0;
                }

                Thread.Sleep(100);

                if (Math.Abs(prevState - _inWork) > 25)
                {
                    Message(XConsole.Info("Waiting far all threads to finish! In work: " + _inWork));
                }

                prevState = _inWork;
            }
        }
示例#2
0
        public void BeginProcessing()
        {
#if DEBUG
            Stopwatch debugStopwatch = new Stopwatch();
            debugStopwatch.Start();

            try
            {
#endif
            if (Processed)
            {
                throw new NameMapperProcessingException("Already processed! This class is a one-time use.");
            }

            // -- BEGIN PROCESSING

            //	 -- Trying to find exactly same methods using entry as a start point.

            var cleanEntry = FindEntryPoint(CleanModule);
            var obfEntry   = FindEntryPoint(ObfModule);

            Message(XConsole.Info("Recursing using entry as a start point."));
            StartRecurseThread(cleanEntry, obfEntry);
            WaitMakeSure();

            //	 --

            //	 -- 1. Getting unique methods from both obf and clean types as two separate lists (NameProcessed, but not IsFullyProcessed)
            //	 -- 2. Comparing unique obf methods to unique clean methods, recursing same methods
            //	 -- 3. IsFullyProcessed = true

            Message(XConsole.Info("Recursing unique methods."));

            int prevCount = -1;

            var procMan = _namableProcessor.Processed;

            while (true)
            {
                foreach (var item in procMan.Types)
                {
                    if (item.IsFullyProcessed)
                    {
                        continue;
                    }

                    var cleanMethods = item.Clean.ScopeType.ResolveTypeDef()?.Methods.Where(x => !x.IsNameObfuscated()).ToList();
                    var obfMethods   = item.Obfuscated.ScopeType.ResolveTypeDef()?.Methods.Where(x => !x.IsEazInternalName()).ToList();

                    if (cleanMethods is null || obfMethods is null)
                    {
                        continue;
                    }

                    List <MethodDef> cleanUniqueMethods = cleanMethods.GetUniqueMethods();
                    List <MethodDef> obfUniqueMethods   = obfMethods.GetUniqueMethods();

                    foreach (var cleanMethod in cleanUniqueMethods)
                    {
                        var obfMethod = obfUniqueMethods.FirstOrDefault(x => AreOpcodesEqual(cleanMethod?.Body?.Instructions, x.Body?.Instructions) == -1);

                        if (obfMethod != null)
                        {
                            StartRecurseThread(cleanMethod, obfMethod);
                        }
                    }

                    item.IsFullyProcessed = true;
                }

                WaitMakeSure();

                int count = procMan.Types.Count;

                if (count == prevCount)
                {
                    break;
                }

                Message(XConsole.Info($"{count - prevCount} new types! Processing..."));

                prevCount = count;
            }

            //   --

            if (DeobfuscateNames)
            {
                //   -- Filling up interfaces

                foreach (var type in procMan.Types)
                {
                    var obfTypeDef = type.Obfuscated.ScopeType.ResolveTypeDef();

                    if (obfTypeDef.HasInterfaces)
                    {
                        var interfaceMethods = obfTypeDef.Interfaces.Where(x => x.Interface.IsFromModule(this)).SelectMany(x => x.Interface.ResolveTypeDef().Methods).Where(x => x.IsNameObfuscated()).ToList();

                        foreach (var method in obfTypeDef.Methods)
                        {
                            if (NamePairs.TryGetValue(method.Name, out string obfName))
                            {
                                var interfaceMethod = interfaceMethods.FirstOrDefault(x => x.Name == obfName);

                                if (interfaceMethod != null)
                                {
                                    interfaceMethod.Name = method.Name;
                                }
                            }
                        }
                    }
                }

                //   --

                //   -- Renaming all names left

                var obfCleanDict = NamePairs.Swap();

                var res = new MemberFinder().FindAll(ObfModule);

                foreach (var meth in res.MethodDefs.Select(x => x.Key).Where(x => x.IsNameObfuscated()))
                {
                    if (obfCleanDict.TryGetValue(meth.Name, out string value))
                    {
                        meth.Name = value;
                    }
                }

                foreach (var type in res.TypeDefs.Select(x => x.Key).Where(x => x.IsNameObfuscated()))
                {
                    if (obfCleanDict.TryGetValue(type.Name, out string value))
                    {
                        type.Name = value;
                    }
                }

                foreach (var field in res.FieldDefs.Select(x => x.Key).Where(x => x.IsNameObfuscated()))
                {
                    if (obfCleanDict.TryGetValue(field.Name, out string value))
                    {
                        field.Name = value;
                    }
                }

                foreach (var genParam in res.GenericParams.Select(x => x.Key).Where(x => x.IsNameObfuscated()))
                {
                    if (obfCleanDict.TryGetValue(genParam.Name, out string value))
                    {
                        genParam.Name = value;
                    }
                }

                //   --
            }

            WaitMakeSure();

            if (_overallErroredMethods > 0)
            {
                Message(XConsole.Warn($"Not all methods are processed! {_overallErroredMethods} left behind."));
            }

            Message(XConsole.Info($"Overall known classes: {procMan.Types.Count}; Fully processed classes: {procMan.Types.Count(x => x.IsFullyProcessed)}"));

            var processedTypesCount = procMan.Types.Count;
            var allTypesCount       = ObfModule.CountTypes(x => !x.IsNameObfuscated());
            var processedPercentage = (float)processedTypesCount / allTypesCount;

            if (processedPercentage < MINIMAL_SUCCESS_PERCENTAGE)
            {
                throw new NameMapperProcessingException($"Processed types percentage: {processedTypesCount}/{allTypesCount} => {processedPercentage * 100}% < {MINIMAL_SUCCESS_PERCENTAGE * 100}% (min), counting as unsuccessful.");
            }

            Processed = true;
#if DEBUG
        }

        catch (Exception ex)
        {
            Message(XConsole.Error(ex.ToString()));
            Console.ReadKey();                     // because debug
        }
        finally
        {
            debugStopwatch.Stop();
            Message(XConsole.Info($"Mapped everything in: {debugStopwatch.ElapsedMilliseconds}ms"));
        }
#endif

            // -- END
        }