Esempio n. 1
0
		private ArrayList DeObfuscateSingleFile(int index, RenameDatabase RenameStore)
		{
			TClassFile ClassFile = (TClassFile)FClassFiles[index];

			if (ClassFile == null)
				return null;

			// add the class name to the head of the changelist
			FChangeList = new ArrayList();
			FChangeList.Add(ClassFile.ThisClassName);

			string OriginalClassName = ClassFile.ThisClassName;
			string OriginalClassAndType = ClassFile.ThisClassName + " : " + ClassFile.SuperClassName;

			// rename the class and add the new class name to the changelist at [1]
			if (FRenameClasses && RenameStore.GetNewClassNameOnly(OriginalClassAndType) != null)
			{
				// check if we need to use a user-supplied class name first
				string NewClassName = RenameStore.GetNewClassNameOnly(OriginalClassAndType);

				while (ClassNameExists(NewClassName))
				{
					NewClassName += "_";
				}
				FChangeList.Add(ClassFile.ChangeClassName(NewClassName));
			}
			else if (FRenameClasses && DoRename(OriginalClassName))
			{
				string NewClassName;

                NewClassName = ClassFile.FileName;

				// test if the filename we are changing to hasnt already been used!
				while (ClassNameExists(NewClassName))
				{
					NewClassName += "_";
				}
				FChangeList.Add(ClassFile.ChangeClassName(NewClassName));
			}
			else
				FChangeList.Add(OriginalClassName);

			// process the Methods
			for (int i = 0; i < ClassFile.Methods.Items.Count; i++)
			{
				MethodInfo mi = (MethodInfo)ClassFile.Methods.Items[i];
				RenameData rd = RenameStore.GetNewMethodInfo(OriginalClassAndType, mi.Descriptor, mi.Name.Value);

				// this is the rule for renaming
				if (DoRename(mi.Name.Value) || rd != null)
				{
					// clone the original method
					TMethodChangeRecord mcr = new TMethodChangeRecord(mi);
					// rename all of the functions something meaningful
					string NewName;

					// user supplied names take precedence
					if (rd != null)
					{
						NewName = rd.FieldName;
					}
                    else
                    {
                        NewName = mi.Name.Value;
                    }

                    // change the method name
                    ClassFile.ChangeMethodName(i, NewName);
					// set the 
					mcr.ChangedTo(mi);
					FChangeList.Add(mcr);
				}

				// fix the descriptor regardless
				ClassFile.ChangeMethodParam(i, OriginalClassName, ClassFile.ThisClassName);
			}

			// process the Fields
			for (int i = 0; i < ClassFile.Fields.Items.Count; i++)
			{
				FieldInfo fi = (FieldInfo)ClassFile.Fields.Items[i];
				RenameData rd = RenameStore.GetNewFieldInfo(OriginalClassAndType, fi.Descriptor, fi.Name.Value);

				if (DoRename(fi.Name.Value) || rd != null)
				{
					// clone the original method
					TFieldChangeRecord fcr = new TFieldChangeRecord(fi);
					// rename all of the fields something meaningful
					string NewName;
					/*if (FThoroughMode)
					{
						int j = 0;
						while (ClassFile.Methods.FieldNameExists(NewName))
						{
							// rename the field
							NewName = NewName + "_" + j;
							j++;
						}
					}*/

					if (rd != null)
					{
						NewName = rd.FieldName;
					}
                    else
                    {
                        NewName = fi.Name.Value;
                    }

					ClassFile.ChangeFieldName(i, NewName);

					fcr.ChangedTo(fi);
					FChangeList.Add(fcr);
				}

				// fix the descriptor regardless
				ClassFile.ChangeFieldType(i, OriginalClassName, ClassFile.ThisClassName);
			}

			return FChangeList;
		}
Esempio n. 2
0
		private ArrayList DeObfuscateSingleFile(int index, RenameDatabase RenameStore)
		{
			TClassFile ClassFile = (TClassFile)FClassFiles[index];

			if (ClassFile == null)
				return null;

			// add the class name to the head of the changelist
			FChangeList = new ArrayList();
			FChangeList.Add(ClassFile.ThisClassName);

			string OriginalClassName = ClassFile.ThisClassName;
			string OriginalClassAndType = ClassFile.ThisClassName + " : " + ClassFile.SuperClassName;

			// rename the class and add the new class name to the changelist at [1]
			if (FRenameClasses && RenameStore.GetNewClassNameOnly(OriginalClassAndType) != null)
			{
				// check if we need to use a user-supplied class name first
				string NewClassName = RenameStore.GetNewClassNameOnly(OriginalClassAndType);

				while (ClassNameExists(NewClassName))
				{
					NewClassName += "_";
				}
				FChangeList.Add(ClassFile.ChangeClassName(NewClassName));
			}
			else if (FRenameClasses && DoRename(OriginalClassName))
			{
				string NewClassName;

				if (UseUniqueNums)
				{
					string format = "{0:D" + (FClassFiles.Count.ToString().Length + 2) + "}";
					string uniqueNum = string.Format(format, Convert.ToInt64(ClassFile.ThisClassCode.ToString() + index.ToString()));

					NewClassName = String.Format("Class_{0}_{1}", Common.GetClassName(OriginalClassName), uniqueNum);
				}
				else
					NewClassName = String.Format("Class_{0}", Common.GetClassName(OriginalClassName));

				// test if the filename we are changing to hasnt already been used!
				while (ClassNameExists(NewClassName))
				{
					NewClassName += "_";
				}
				FChangeList.Add(ClassFile.ChangeClassName(NewClassName));
			}
			else
				FChangeList.Add(OriginalClassName);

			// process the Methods
			for (int i = 0; i < ClassFile.Methods.Items.Count; i++)
			{
				MethodInfo mi = (MethodInfo)ClassFile.Methods.Items[i];
				RenameData rd = RenameStore.GetNewMethodInfo(OriginalClassAndType, mi.Descriptor, mi.Name.Value);

				// this is the rule for renaming
				if (DoRename(mi.Name.Value) || rd != null)
				{
					// clone the original method
					TMethodChangeRecord mcr = new TMethodChangeRecord(mi);
					// rename all of the functions something meaningful
					string NewName;
					// if the offset is zero, it probably means its an abstract method
					if (ClassFile.AccessFlags == AccessFlags.ACC_INTERFACE)
						NewName = String.Format("sub_iface_{0:x}", i);
					else if (mi.Offset != 0)
						NewName = String.Format("sub_{0:x}", mi.Offset);
					else
						NewName = String.Format("sub_null_{0:x}", i);

					/*if (FThoroughMode)
					{
						int j = 0;
						while (ClassFile.Methods.MethodNameExists(NewName))
						{
							// rename the method
							NewName = NewName + "_" + j;
							j++;
						}
					}*/

					// user supplied names take precedence
					if (rd != null)
					{
						NewName = rd.FieldName;
					}

					// change the method name
					ClassFile.ChangeMethodName(i, NewName);
					// set the 
					mcr.ChangedTo(mi);
					FChangeList.Add(mcr);
				}

				// fix the descriptor regardless
				ClassFile.ChangeMethodParam(i, OriginalClassName, ClassFile.ThisClassName);
			}

			// process the Fields
			for (int i = 0; i < ClassFile.Fields.Items.Count; i++)
			{
				FieldInfo fi = (FieldInfo)ClassFile.Fields.Items[i];
				RenameData rd = RenameStore.GetNewFieldInfo(OriginalClassAndType, fi.Descriptor, fi.Name.Value);

				if (DoRename(fi.Name.Value) || rd != null)
				{
					// clone the original method
					TFieldChangeRecord fcr = new TFieldChangeRecord(fi);
					// rename all of the fields something meaningful
					string NewName;
					// if the offset is zero, it probably means its a null/abstract method
					if (fi.Offset != 0)
						NewName = String.Format("var_{0:x}", fi.Offset);
					else
						NewName = String.Format("var_null_{0:x}", fi.Offset);

					/*if (FThoroughMode)
					{
						int j = 0;
						while (ClassFile.Methods.FieldNameExists(NewName))
						{
							// rename the field
							NewName = NewName + "_" + j;
							j++;
						}
					}*/

					if (rd != null)
					{
						NewName = rd.FieldName;
					}

					ClassFile.ChangeFieldName(i, NewName);

					fcr.ChangedTo(fi);
					FChangeList.Add(fcr);
				}

				// fix the descriptor regardless
				ClassFile.ChangeFieldType(i, OriginalClassName, ClassFile.ThisClassName);
			}

			return FChangeList;
		}