103 lines
4.0 KiB
C#
103 lines
4.0 KiB
C#
|
/*
|
|||
|
Copyright (C) 2011 de4dot@gmail.com
|
|||
|
|
|||
|
This file is part of de4dot.
|
|||
|
|
|||
|
de4dot is free software: you can redistribute it and/or modify
|
|||
|
it under the terms of the GNU General Public License as published by
|
|||
|
the Free Software Foundation, either version 3 of the License, or
|
|||
|
(at your option) any later version.
|
|||
|
|
|||
|
de4dot is distributed in the hope that it will be useful,
|
|||
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|||
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|||
|
GNU General Public License for more details.
|
|||
|
|
|||
|
You should have received a copy of the GNU General Public License
|
|||
|
along with de4dot. If not, see <http://www.gnu.org/licenses/>.
|
|||
|
*/
|
|||
|
|
|||
|
using System;
|
|||
|
using System.Reflection;
|
|||
|
using System.Reflection.Emit;
|
|||
|
using System.Text;
|
|||
|
|
|||
|
namespace AssemblyData {
|
|||
|
internal delegate void Action();
|
|||
|
internal delegate TResult Func<out TResult>();
|
|||
|
internal delegate TResult Func<in T1, out TResult>(T1 arg);
|
|||
|
internal delegate TResult Func<in T1, in T2, out TResult>(T1 arg1, T2 arg2);
|
|||
|
internal delegate TResult Func<in T1, in T2, in T3, out TResult>(T1 arg1, T2 arg2, T3 arg3);
|
|||
|
internal delegate TResult Func<in T1, in T2, in T3, in T4, out TResult>(T1 arg1, T2 arg2, T3 arg3, T4 arg4);
|
|||
|
internal delegate TResult Func<in T1, in T2, in T3, in T4, in T5, out TResult>(T1 arg1, T2 arg2, T3 arg3, T4 arg4, T5 arg5);
|
|||
|
internal delegate TResult Func<in T1, in T2, in T3, in T4, in T5, in T6, out TResult>(T1 arg1, T2 arg2, T3 arg3, T4 arg4, T5 arg5, T6 arg6);
|
|||
|
internal delegate TResult Func<in T1, in T2, in T3, in T4, in T5, in T6, in T7, out TResult>(T1 arg1, T2 arg2, T3 arg3, T4 arg4, T5 arg5, T6 arg6, T7 arg7);
|
|||
|
internal delegate TResult Func<in T1, in T2, in T3, in T4, in T5, in T6, in T7, in T8, out TResult>(T1 arg1, T2 arg2, T3 arg3, T4 arg4, T5 arg5, T6 arg6, T7 arg7, T8 arg8);
|
|||
|
internal delegate TResult Func<in T1, in T2, in T3, in T4, in T5, in T6, in T7, in T8, in T9, out TResult>(T1 arg1, T2 arg2, T3 arg3, T4 arg4, T5 arg5, T6 arg6, T7 arg7, T8 arg8, T9 arg9);
|
|||
|
|
|||
|
static class Utils {
|
|||
|
static Random random = new Random();
|
|||
|
|
|||
|
public static Type getDelegateType(MethodInfo method) {
|
|||
|
var parameters = method.GetParameters();
|
|||
|
var types = new Type[parameters.Length + 1];
|
|||
|
for (int i = 0; i < parameters.Length; i++)
|
|||
|
types[i] = parameters[i].ParameterType;
|
|||
|
types[types.Length - 1] = method.ReturnType;
|
|||
|
|
|||
|
switch (types.Length) {
|
|||
|
case 1: return typeof(Func<>).MakeGenericType(types);
|
|||
|
case 2: return typeof(Func<,>).MakeGenericType(types);
|
|||
|
case 3: return typeof(Func<,,>).MakeGenericType(types);
|
|||
|
case 4: return typeof(Func<,,,>).MakeGenericType(types);
|
|||
|
case 5: return typeof(Func<,,,,>).MakeGenericType(types);
|
|||
|
case 6: return typeof(Func<,,,,,>).MakeGenericType(types);
|
|||
|
case 7: return typeof(Func<,,,,,,>).MakeGenericType(types);
|
|||
|
case 8: return typeof(Func<,,,,,,,>).MakeGenericType(types);
|
|||
|
case 9: return typeof(Func<,,,,,,,,>).MakeGenericType(types);
|
|||
|
case 10:return typeof(Func<,,,,,,,,,>).MakeGenericType(types);
|
|||
|
default:
|
|||
|
throw new ApplicationException(string.Format("Too many arguments: {0}", method));
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
public static string randomName(int min, int max) {
|
|||
|
int numChars = random.Next(min, max + 1);
|
|||
|
var sb = new StringBuilder(numChars);
|
|||
|
int numLower = 0;
|
|||
|
for (int i = 0; i < numChars; i++) {
|
|||
|
if (numLower == 0)
|
|||
|
sb.Append((char)((int)'A' + random.Next(26)));
|
|||
|
else
|
|||
|
sb.Append((char)((int)'a' + random.Next(26)));
|
|||
|
|
|||
|
if (numLower == 0) {
|
|||
|
numLower = random.Next(1, 5);
|
|||
|
}
|
|||
|
else {
|
|||
|
numLower--;
|
|||
|
}
|
|||
|
}
|
|||
|
return sb.ToString();
|
|||
|
}
|
|||
|
|
|||
|
public static void addCallStringDecrypterMethodInstructions(MethodInfo method, ILGenerator ilg) {
|
|||
|
var args = method.GetParameters();
|
|||
|
for (int i = 0; i < args.Length; i++) {
|
|||
|
var arg = args[i].ParameterType;
|
|||
|
|
|||
|
ilg.Emit(OpCodes.Ldarg_0);
|
|||
|
ilg.Emit(OpCodes.Ldc_I4, i);
|
|||
|
ilg.Emit(OpCodes.Ldelem_Ref);
|
|||
|
|
|||
|
if (arg.IsValueType)
|
|||
|
ilg.Emit(OpCodes.Unbox_Any, arg);
|
|||
|
else
|
|||
|
ilg.Emit(OpCodes.Castclass, arg);
|
|||
|
}
|
|||
|
ilg.Emit(OpCodes.Call, method);
|
|||
|
ilg.Emit(OpCodes.Ret);
|
|||
|
}
|
|||
|
}
|
|||
|
}
|