Список говнокодов пользователя zhukas

Всего: 10

Си / Говнокод #17313

+140

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HIMAGELIST ImageList_LoadImageV(PVOID ImageBase, PCWSTR a[], int level)
{
	PIMAGE_RESOURCE_DATA_ENTRY pirde;
	PBITMAPINFOHEADER pbih;
	DWORD cx, cy, cb, n, ofs;
	if (
		0 <= LdrFindResource_U(ImageBase, a, level, &pirde) && 
		0 <= LdrAccessResource(ImageBase, pirde, (void**)&pbih, &cb) &&
		cb > sizeof(BITMAPINFOHEADER) &&
		pbih->biSize >= sizeof(BITMAPINFOHEADER) &&
		(cx = pbih->biWidth) <= (cy = pbih->biHeight) &&
		!(cy % cx) &&
		pbih->biBitCount == 32 &&
		(ofs = pbih->biSize) + (cx * cy << 2) == cb
		)
	{
		n = cy / cx, cb = cx * cx << 2;

		if (HIMAGELIST himl = ImageList_Create(cx, cy, ILC_COLOR32, n, 0))
		{
			BITMAPINFO bi = { {sizeof(BITMAPINFOHEADER), cx, cx, 1, 32 } };

			if (HDC hdc = GetDC(0))
			{
				if (HBITMAP hbmp = CreateCompatibleBitmap(hdc, cx, cx))
				{
					do ; while (
						SetDIBits(hdc, hbmp, 0, cx, RtlOffsetToPointer(pbih, ofs), &bi, DIB_RGB_COLORS) &&
						0 <= ImageList_Add(himl, hbmp, 0) &&
						(ofs += cb, --n)
						);

					DeleteObject(hbmp);
				}

				ReleaseDC(0, hdc);
			}

			if (!n) return himl;

			ImageList_Destroy(himl);
		}
	}

	return 0;
}

zhukas, 14 Декабря 2014

Комментарии (26)

C++ / Говнокод #17214

+51

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PVOID ZDbgDoc::getVaByName(PCSTR name)
{
	PLIST_ENTRY head = &_dllListHead, entry = head;

	while ((entry = entry->Flink) != head)
	{
		ZDll* pDll = static_cast<ZDll*>(entry);

		if (PWSTR ImageName = pDll->_ImageName)
		{
			PCSTR sz = name;
__loop:
			int c = tolower(*sz++);

			if (!c || c != towlower(*ImageName++))
			{
				continue;
			}

			if (c != '.')
			{
				goto __loop;
			}

			pDll->Parse(this);

			return pDll->getVaByName(sz, this);
		}
	}

	return 0;
}

zhukas, 29 Ноября 2014

Комментарии (3)

C++ / Говнокод #17207

+53

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BOOL IsNameInExpression(PCWSTR Expression, PCWSTR Name, DWORD len)
{
	WCHAR c, b;

	while (c = *Expression++) 
	{
		if (c == L'*') 
		{
__loop:
			switch (*Expression)
			{
			case '*':
				Expression++;
				goto __loop;
			case 0:
				return TRUE;
			}

			if (len)
			{
				do 
				{
					if (IsNameInExpression(Expression, Name++, len--)) return TRUE;
				} while (len);
			}

			return FALSE;
		}

		if (!len--)
		{
			return FALSE;
		}

		b = *Name++;

		if (c != L'?' && b != c) 
		{
			return FALSE;
		} 
	}

	return !len;
}

BOOL IsNameInExpression(PCWSTR Expression, PUNICODE_STRING Name)
{
	RtlUpcaseUnicodeString(Name, Name, FALSE);
	return IsNameInExpression(Expression, Name->Buffer, Name->Length >> 1);
}

zhukas, 28 Ноября 2014

Комментарии (4)

C++ / Говнокод #17194

+50

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size_t __stdcall ZAsmView::addrSet(DIS const *pDis, unsigned __int64 Va, wchar_t * buf, size_t cb, unsigned __int64 * displacement)
{
	FORMATDATA* pf = (FORMATDATA*)pDis->PvClient();
	size_t fixupLen = pf->fixupLen;
	pf->fixupLen = 0;
	*displacement = 0;
	BOOL f = TRUE;
	PVOID _Va = (PVOID)Va;
	ZDbgDoc* pDoc = pf->pDoc;
	
__loop:
	if (PCSTR Name = pDoc->getNameByVa((PVOID)Va))
	{
		char cc[256];
		PCSTR fName = unDNameEx(cc, Name, sizeof(cc), UNDNAME_NAME_ONLY);
		int len = _snwprintf(buf, cb, L"%S(%p)", fName, Va);
		if (len < 0)
		{
			buf[len = (DWORD)cb - 1] = 0;
		}
		else
		{
			buf[0] |= 0x4000, buf[len - 3 - 2*sizeof(PVOID)] |= 0x8000;
		}
		return len;
	}

	if (f && 2*sizeof(PVOID)+2<cb)
	{
		switch (pDis->Trmta())
		{
		case DIS::a_jmp_u_2:
		case DIS::a_jmp_u_5:
		case DIS::a_jmp_c_2:
		case DIS::a_jmp_c_6:
			_snwprintf(buf, cb, L"%p %c", (PVOID)Va, Va > pf->pLI->Va ? 0x2193 : 0x2191);
			buf[0] |= 0x4000, buf[2*sizeof(PVOID)-1] |= 0x8000;
			return 2*sizeof(PVOID)+2;
		}
	}

	if (fixupLen)
	{
		if (0 <= pDoc->Read((PVOID)Va, &Va, sizeof(PVOID)))
		{
			fixupLen = 0, f = FALSE;
			goto __loop;
		}
	}

	if (2*sizeof(PVOID)+2<cb && pDoc->getDllByVaNoRef(_Va))
	{
		_snwprintf(buf, cb, L"%p", _Va);
		buf[0] |= 0x4000, buf[2*sizeof(PVOID)-1] |= 0x8000;
		return 2*sizeof(PVOID);
	}

	return 0;
}

zhukas, 27 Ноября 2014

Комментарии (3)

C++ / Говнокод #17123

+53

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int CALLBACK ZDll::Compare(ZDll* p, ZDll* q, LPARAM lParamSort)
{
	ULONG_PTR a, b;
	int s = GET_Y_LPARAM(lParamSort) ? -1 : +1;
	
	switch (GET_X_LPARAM(lParamSort))
	{
	default: __assume(false);
	case 0:
		a = p->_index, b = q->_index;
		break;
	
	case 1:
		a = (ULONG_PTR)p->_BaseOfDll, b = (ULONG_PTR)q->_BaseOfDll;
		break;

	case 2:
		a = p->_SizeOfImage, b = q->_SizeOfImage;
		break;

	case 3:
		PCWSTR pa = p->_ImageName, pb = q->_ImageName;
		if (!pa) return -s;
		if (!pb) return +s;
		return _wcsicmp(pa, pb)*s;
	}

	if (a < b) return -s;
	if (a > b) return +s;
	return 0;
}

INT_PTR ZModulesDlg::DialogProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
	switch (uMsg)
	{
	case WM_NOTIFY:
		if (((LPNMHDR)lParam)->idFrom == IDC_LIST1)
		{
			LVITEM lvi;

			switch (((LPNMHDR)lParam)->code)
			{
			case LVN_COLUMNCLICK:
				if ((DWORD)(lvi.iSubItem = ((LPNMLISTVIEW)lParam)->iSubItem) < 4)
				{
					ListView_SortItems(((LPNMHDR)lParam)->hwndFrom, ZDll::Compare, 
						MAKELPARAM(lvi.iSubItem, _bittestandcomplement(&_SortOrder, lvi.iSubItem)));
				}
				break;

			case LVN_GETINFOTIP:
				lvi.iItem = ((LPNMLVGETINFOTIP)lParam)->iItem;
				lvi.mask = LVIF_PARAM;

				if (ListView_GetItem(((LPNMHDR)lParam)->hwndFrom, &lvi))
				{
					if (PWSTR ImagePath = ((ZDll*)lvi.lParam)->_ImagePath)
					{
						if (DWORD n = ((LPNMLVGETINFOTIP)lParam)->cchTextMax)
						{
							WCHAR *pszText = ((LPNMLVGETINFOTIP)lParam)->pszText, c;
							do 
							{
								*pszText++ = c = *ImagePath++;
							} while (c && --n);

							if (c)
							{
								pszText[-1] = 0;
							}
						}
					}
				}
				break;
			}
		}
		break;

жесть

zhukas, 17 Ноября 2014

Комментарии (0)

C++ / Говнокод #17122

+49

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void ZModulesDlg::OnDestroy(HWND hwnd)
{
	LVITEM lvi = { LVIF_PARAM };

	if (lvi.iItem = ListView_GetItemCount(hwnd))
	{
		do 
		{
			lvi.iItem--;
			if (ListView_GetItem(hwnd, &lvi))
			{
				((ZDll*)lvi.lParam)->Release();
			}
		} while (lvi.iItem);
	}
}

zhukas, 17 Ноября 2014

Комментарии (1)

C++ / Говнокод #17119

+53

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const VS_FIXEDFILEINFO* GetFileVersion(PCWSTR name)
{
	HMODULE hmod = GetModuleHandle(name);
	static LPCWSTR a[3] = { RT_VERSION, MAKEINTRESOURCE(1) };
	PIMAGE_RESOURCE_DATA_ENTRY pirde;
	PVOID pv;
	DWORD size;

	return !hmod || 
		0 > LdrFindResource_U(hmod, a, 3, &pirde) || 
		0 > LdrAccessResource(hmod, pirde, &pv, &size) ||
		size < sizeof(VS_FIXEDFILEINFO)
		? 0 : (VS_FIXEDFILEINFO*)findDWORD((size - sizeof(VS_FIXEDFILEINFO))/sizeof(DWORD) + 1, (PDWORD)pv, 0xfeef04bd);
}

zhukas, 17 Ноября 2014

Комментарии (5)

Assembler / Говнокод #17114

+147

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strnstr proc
	jrcxz @@3
	push rdi
	push rsi
	mov rdi,rdx
	mov al,[r9]
	inc r9
	dec r8
@@1:
	repne scasb
	jne @@2
	cmp rcx,r8
	jb @@2
	mov rsi,r9
	mov rdx,rdi
	mov r10,rcx
	mov rcx,r8
	repe cmpsb
	je @@2
	mov rcx,r10
	mov rdi,rdx
	jmp @@1
@@2:
	sete al
	movzx rax,al
	neg rax
	and rax,rdi
	pop rsi
	pop rdi
	ret
@@3:
	xor rax,rax
	ret
strnstr endp

PSTR __fastcall strnstr(SIZE_T n1, const void* str1, SIZE_T n2, const void* str2);

zhukas, 15 Ноября 2014

Комментарии (2)

C++ / Говнокод #17113

+53

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void zxc()
{
	DWORD i = 256, j, k, l, nTry, N = 0;
	ULONG_PTR a = 0, b = 0, aa = 0, bb = 0;
	_PTE* pte = PXE(256);
	do 
	{
		if (pte->Valid)
		{
			pte->Owner = 1;
			__try
			{
				j = 0, nTry = 0;

				_PTE* pte = PPE(i, 0);

				do 
				{
					if (pte->Valid)
					{
						pte->Owner = 1;

						__try
						{
							k = 0, nTry = 0;

							_PTE* pte = PDE(i, j, 0);

							do 
							{
								if (pte->Valid)
								{
									pte->Owner = 1;

									if (pte->LargePage)
									{
										b = LA(i, j, k, 0);

										if (!a)
										{
											a = b;
										}
										continue;
									}
									__try
									{
										l = 0, nTry = 0;

										_PTE* pte = PTE(i, j, k, 0);

										do 
										{
											b = LA(i, j, k, l);

											if (pte->Valid)
											{
												pte->Owner = 1;

												if (!a)
												{
													a = b;
												}
											}
											else
											{
												if (!pte->Prototype && pte->Protection && pte->Protection < MM_NOCACHE)
												{
												}
												else if (a)
												{
													aa = a, bb = b, a = 0, N++;
												}
											}
										} while (nTry = 0, ++pte, ++l < PTE_PER_PAGE);
									}
									__except(OnPteException(pte, nTry)){}
								}
								else if (a)
								{
									aa = a, bb = LA(i, j, k, 0), a = 0, N++;
								}
							} while (nTry = 0, ++pte, ++k < PDE_PER_PAGE);
						}
						__except(OnPteException(pte, nTry)){}
					}
					else if (a)
					{
						aa = a, bb = LA(i, j, 0, 0), a = 0, N++;
					}
				} while (nTry = 0, ++pte, ++j < PPE_PER_PAGE);
			}
			__except(OnPteException(pte, nTry)){}
		}
		else if (a)
		{
			aa = a, bb = LA(i, 0, 0, 0), a = 0, N++;
		}
	} while (++pte, ++i < PXE_PER_PAGE);
}

#define LA(i, j, k, l) (0xFFFF000000000000 + \
((ULONG_PTR)(i) << PXI_SHIFT) + \
((ULONG_PTR)(j) << PPI_SHIFT) + \
((ULONG_PTR)(k) << PDI_SHIFT) + \
((ULONG_PTR)(l) << PTI_SHIFT))

zhukas, 15 Ноября 2014

Комментарии (0)

C++ / Говнокод #17112

+51

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DWORD getDirectoryIndex()
	{
		STATIC_OBJECT_ATTRIBUTES(oa, "\\");
		HANDLE hFile;
		DWORD ObjectTypeIndex = 0;

		if (0 <= ZwOpenDirectoryObject(&hFile, DIRECTORY_QUERY, &oa))
		{
			NTSTATUS status;
			PVOID buf = 0, stack = alloca(guz);
			DWORD cb = 0, rcb = 0x10000;

			do 
			{
				if (cb < rcb) cb = RtlPointerToOffset(buf = alloca(rcb - cb), stack);

				if (0 <= (status = ZwQuerySystemInformation(SystemExtendedHanfleInformation, buf, cb, &rcb)))
				{
					PSYSTEM_HANDLE_INFORMATION_EX pshti = (PSYSTEM_HANDLE_INFORMATION_EX)buf;

					if (ULONG NumberOfHandles = (ULONG)pshti->NumberOfHandles)
					{
						PSYSTEM_HANDLE_TABLE_ENTRY_INFO_EX Handles = pshti->Handles;

						ULONG_PTR UniqueProcessId = GetCurrentProcessId();
						do 
						{
							if (Handles->UniqueProcessId == UniqueProcessId && Handles->HandleValue == (ULONG_PTR)hFile)
							{
								ObjectTypeIndex = Handles->ObjectTypeIndex;
								break;
							}

						} while (Handles++, --NumberOfHandles);
					}
				}
			} while (STATUS_INFO_LENGTH_MISMATCH == status);

			ZwClose(hFile);
		}

		return ObjectTypeIndex;
	}

	ZOBJECT_ALL_TYPES_INFORMATION()
	{
		_TypeInformation = 0, _NumberOfTypes = 0;

		if (DWORD DirectoryTypeIndex = getDirectoryIndex())
		{
			PVOID stack = alloca(guz);
			OBJECT_ALL_TYPES_INFORMATION* poati = 0;
			DWORD cb = 0, rcb = 0x2000;
			NTSTATUS status;
			do 
			{
				if (cb < rcb)
				{
					cb = RtlPointerToOffset(poati = (OBJECT_ALL_TYPES_INFORMATION*)alloca(rcb - cb), stack);
				}

				if (0 <= (status = ZwQueryObject(0, ObjectAllTypeInformation, poati, cb, &rcb)))
				{
					if (DWORD NumberOfTypes = poati->NumberOfTypes)
					{
						if (OBJECT_TYPE_INFORMATION* TypeInformation = (OBJECT_TYPE_INFORMATION*)LocalAlloc(0, rcb))
						{
							_NumberOfTypes = NumberOfTypes;
							_TypeInformation = TypeInformation;

							STATIC_UNICODE_STRING_(Directory);
							OBJECT_TYPE_INFORMATION* pti = poati->TypeInformation;
							PWSTR buf = (PWSTR)(TypeInformation + NumberOfTypes);
							int Index = 0;
							do 
							{
								if (RtlEqualUnicodeString(&Directory, &pti->TypeName, TRUE))
								{
									_firstObjectTypeIndex = DirectoryTypeIndex - Index;
								}

								DWORD Length = pti->TypeName.Length, MaximumLength = pti->TypeName.MaximumLength;
								memcpy(buf, pti->TypeName.Buffer, Length);

								*TypeInformation = *pti;
								TypeInformation++->TypeName.Buffer = buf;

								buf = (PWSTR)RtlOffsetToPointer(buf, Length);

								pti = (OBJECT_TYPE_INFORMATION*)
									(((ULONG_PTR)pti + sizeof(OBJECT_TYPE_INFORMATION) + MaximumLength + sizeof(PVOID)-1) & ~(sizeof(PVOID)-1));

							} while (Index++, --NumberOfTypes);
						}
					}
				}
			} while (status == STATUS_INFO_LENGTH_MISMATCH);
		}
	}

ObjectTypeIndex

zhukas, 15 Ноября 2014

Комментарии (32)

Говнокод: по колено в коде.