mirror of
https://github.com/HIllya51/LunaHook.git
synced 2024-12-27 13:44:11 +08:00
54 lines
1.5 KiB
C++
54 lines
1.5 KiB
C++
#include "NNNConfig.h"
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bool NNNConfig::attach_function()
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{
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// blackcyc
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// 夢幻廻廊
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// 復讐の女仕官ハイネ ～肢体に刻まれる淫欲のプログラム～
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// https://vndb.org/v24955
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const BYTE bytes[] = {
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//clang-format off
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0x68, 0xE8, 0x03, 0x00, 0x00, 0x6a, 0x00,
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//clang-format on
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};
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auto addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStopAddress);
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if (addr == 0)
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return false;
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addr = addr + sizeof(bytes);
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for (int i = 0; i < 5; i++)
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{
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if (*(BYTE *)addr == 0xe8)
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{
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addr += 1;
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break;
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}
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addr += 1;
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}
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uintptr_t offset = *(uintptr_t *)(addr);
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uintptr_t funcaddr = offset + addr + 4;
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const BYTE check[] = {0x83, 0xEC, 0x1C};
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auto checkoffset = MemDbg::findBytes(check, sizeof(check), funcaddr, funcaddr + 0x20);
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if (checkoffset == 0)
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offset = get_stack(5);
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else
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offset = get_stack(6);
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HookParam hp;
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hp.address = funcaddr;
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hp.offset = offset;
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hp.type = USING_STRING;
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hp.text_fun = [](hook_stack *stack, HookParam *, uintptr_t *data, uintptr_t *split, size_t *len)
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{
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// 当前文本可以过滤重复，上一条文本会按照换行符切分不停刷新。
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static std::unordered_map<uintptr_t, std::string> everythreadlast;
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if (everythreadlast.find(stack->retaddr) == everythreadlast.end())
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everythreadlast[stack->retaddr] = "";
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auto thisstr = std::string((char *)*data);
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if (everythreadlast[stack->retaddr] == thisstr)
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return;
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everythreadlast[stack->retaddr] = thisstr;
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*len = everythreadlast[stack->retaddr].size();
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};
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return NewHook(hp, "NNNhook");
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} |