public void Execute(PandaState pandaState, PandaContext pandaContext)
{
CFHelper cFHelper = new CFHelper();
foreach (TypeDef type in pandaContext.moduleDef.Types)
{
foreach (MethodDef method in type.Methods)
{
if (method.HasBody && method.Body.Instructions.Count > 0 && !method.IsConstructor)
{
if (!cFHelper.HasUnsafeInstructions(method))
{
if (DnlibUtils.Simplify(method))
{
Blocks blocks = cFHelper.GetBlocks(method);
if (blocks.blocks.Count != 1)
{
switch (pandaState)
{
case PandaState.Basic:
toDoSwitcher(cFHelper, method, blocks, pandaContext);
break;
case PandaState.Normal:
toDoBody(cFHelper, method, blocks, pandaContext);
break;
}
}
DnlibUtils.Optimize(method);
}
}
}
}
}
}
public void Encoding(PandaContext pandaContext)
{
foreach (TypeDef type in pandaContext.moduleDef.Types)
{
foreach (MethodDef method in type.Methods)
{
if (method.Body == null)
{
continue;
}
for (int i = 0; i < method.Body.Instructions.Count(); i++)
{
if (method.Body.Instructions[i].OpCode == OpCodes.Ldstr)
{
String oldString = method.Body.Instructions[i].Operand.ToString();
String newString = Convert.ToBase64String(UTF8Encoding.UTF8.GetBytes(oldString));
method.Body.Instructions[i].OpCode = OpCodes.Nop;
method.Body.Instructions.Insert(i + 1, new Instruction(OpCodes.Call, pandaContext.moduleDef.Import(typeof(System.Text.Encoding).GetMethod("get_UTF8", new Type[] { }))));
method.Body.Instructions.Insert(i + 2, new Instruction(OpCodes.Ldstr, newString));
method.Body.Instructions.Insert(i + 3, new Instruction(OpCodes.Call, pandaContext.moduleDef.Import(typeof(System.Convert).GetMethod("FromBase64String", new Type[] { typeof(string) }))));
method.Body.Instructions.Insert(i + 4, new Instruction(OpCodes.Callvirt, pandaContext.moduleDef.Import(typeof(System.Text.Encoding).GetMethod("GetString", new Type[] { typeof(byte[]) }))));
i += 4;
}
}
DnlibUtils.Optimize(method);
}
}
}
