104 lines
4.4 KiB
C#
104 lines
4.4 KiB
C#
// Copyright 2025 Code Philosophy
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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using dnlib.DotNet.Emit;
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using Obfuz.Emit;
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using System.Collections.Generic;
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using System.Linq;
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namespace Obfuz.ObfusPasses.ExprObfus.Obfuscators
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{
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class MostAdvancedObfuscator : AdvancedObfuscator
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{
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private readonly BasicObfuscator _basicObfuscator = new BasicObfuscator();
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public override bool ObfuscateBasicUnaryOp(Instruction inst, EvalDataType op, EvalDataType ret, List<Instruction> outputInsts, ObfusMethodContext ctx)
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{
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if (!base.ObfuscateBasicUnaryOp(inst, op, ret, outputInsts, ctx))
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{
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return false;
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}
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if (outputInsts.Last().OpCode.Code != inst.OpCode.Code)
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{
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return false;
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}
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outputInsts.RemoveAt(outputInsts.Count - 1);
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return _basicObfuscator.ObfuscateBasicUnaryOp(inst, op, ret, outputInsts, ctx);
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}
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public override bool ObfuscateBasicBinOp(Instruction inst, EvalDataType op1, EvalDataType op2, EvalDataType ret, List<Instruction> outputInsts, ObfusMethodContext ctx)
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{
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if (!base.ObfuscateBasicBinOp(inst, op1, op2, ret, outputInsts, ctx))
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{
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return false;
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}
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if (outputInsts.Last().OpCode.Code != inst.OpCode.Code)
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{
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return false;
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}
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outputInsts.RemoveAt(outputInsts.Count - 1);
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return _basicObfuscator.ObfuscateBasicBinOp(inst, op1, op2, ret, outputInsts, ctx);
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}
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public override bool ObfuscateUnaryBitwiseOp(Instruction inst, EvalDataType op, EvalDataType ret, List<Instruction> outputInsts, ObfusMethodContext ctx)
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{
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if (!base.ObfuscateUnaryBitwiseOp(inst, op, ret, outputInsts, ctx))
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{
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return false;
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}
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if (outputInsts.Last().OpCode.Code != inst.OpCode.Code)
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{
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return false;
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}
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outputInsts.RemoveAt(outputInsts.Count - 1);
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return _basicObfuscator.ObfuscateUnaryBitwiseOp(inst, op, ret, outputInsts, ctx);
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}
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public override bool ObfuscateBinBitwiseOp(Instruction inst, EvalDataType op1, EvalDataType op2, EvalDataType ret, List<Instruction> outputInsts, ObfusMethodContext ctx)
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{
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if (!base.ObfuscateBinBitwiseOp(inst, op1, op2, ret, outputInsts, ctx))
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{
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return false;
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}
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if (outputInsts.Last().OpCode.Code != inst.OpCode.Code)
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{
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return false;
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}
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outputInsts.RemoveAt(outputInsts.Count - 1);
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return _basicObfuscator.ObfuscateBinBitwiseOp(inst, op1, op2, ret, outputInsts, ctx);
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}
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public override bool ObfuscateBitShiftOp(Instruction inst, EvalDataType op1, EvalDataType op2, EvalDataType ret, List<Instruction> outputInsts, ObfusMethodContext ctx)
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{
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if (!base.ObfuscateBitShiftOp(inst, op1, op2, ret, outputInsts, ctx))
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{
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return false;
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}
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if (outputInsts.Last().OpCode.Code != inst.OpCode.Code)
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{
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return false;
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}
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outputInsts.RemoveAt(outputInsts.Count - 1);
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return _basicObfuscator.ObfuscateBitShiftOp(inst, op1, op2, ret, outputInsts, ctx);
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}
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}
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}
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