| /**************************************************************************** |
| ** |
| ** Copyright (C) 2019 Denis Shienkov <denis.shienkov@gmail.com> |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtSerialPort module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
| ** Software or, alternatively, in accordance with the terms contained in |
| ** a written agreement between you and The Qt Company. For licensing terms |
| ** and conditions see https://www.qt.io/terms-conditions. For further |
| ** information use the contact form at https://www.qt.io/contact-us. |
| ** |
| ** GNU Lesser General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU Lesser |
| ** General Public License version 3 as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| ** packaging of this file. Please review the following information to |
| ** ensure the GNU Lesser General Public License version 3 requirements |
| ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
| ** Qt Foundation. The licenses are as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
| ** https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #ifndef QTNTDLL_P_H |
| #define QTNTDLL_P_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include <QtCore/qlibrary.h> |
| #include <QtCore/qstring.h> |
| #include <QtCore/qdebug.h> |
| |
| #include <qt_windows.h> |
| |
| // Internal control codes. |
| |
| #ifndef CTL_CODE |
| # define CTL_CODE(DeviceType, Function, Method, Access) ( \ |
| ((DeviceType) << 16) | ((Access) << 14) | ((Function) << 2) | (Method) \ |
| ) |
| #endif |
| |
| #ifndef FILE_DEVICE_SERIAL_PORT |
| # define FILE_DEVICE_SERIAL_PORT 27 |
| #endif |
| |
| #ifndef METHOD_BUFFERED |
| # define METHOD_BUFFERED 0 |
| #endif |
| |
| #ifndef FILE_ANY_ACCESS |
| # define FILE_ANY_ACCESS 0x00000000 |
| #endif |
| |
| #ifndef IOCTL_SERIAL_GET_DTRRTS |
| # define IOCTL_SERIAL_GET_DTRRTS \ |
| CTL_CODE(FILE_DEVICE_SERIAL_PORT, 30, METHOD_BUFFERED, FILE_ANY_ACCESS) |
| #endif |
| |
| #ifndef SERIAL_DTR_STATE |
| # define SERIAL_DTR_STATE 0x00000001 |
| #endif |
| |
| #ifndef SERIAL_RTS_STATE |
| # define SERIAL_RTS_STATE 0x00000002 |
| #endif |
| |
| #ifndef IOCTL_SERIAL_WAIT_ON_MASK |
| # define IOCTL_SERIAL_WAIT_ON_MASK \ |
| CTL_CODE(FILE_DEVICE_SERIAL_PORT, 18, METHOD_BUFFERED, FILE_ANY_ACCESS) |
| #endif |
| |
| // Internal NT-based data types. |
| |
| #ifndef NT_SUCCESS |
| #define NT_SUCCESS(status) (((NTSTATUS)(status)) >= 0) |
| #endif |
| |
| typedef struct _IO_STATUS_BLOCK { |
| union { |
| NTSTATUS Status; |
| PVOID Pointer; |
| } DUMMYUNIONNAME; |
| |
| ULONG_PTR Information; |
| } IO_STATUS_BLOCK, *PIO_STATUS_BLOCK; |
| |
| typedef VOID (WINAPI *PIO_APC_ROUTINE) ( |
| PVOID ApcContext, |
| PIO_STATUS_BLOCK IoStatusBlock, |
| ULONG Reserved |
| ); |
| |
| // Resolving macros. |
| |
| #define GENERATE_SYMBOL_VARIABLE(returnType, symbolName, ...) \ |
| typedef returnType (WINAPI *fp_##symbolName)(__VA_ARGS__); \ |
| static fp_##symbolName symbolName; |
| |
| #define RESOLVE_SYMBOL(symbolName) \ |
| symbolName = reinterpret_cast<fp_##symbolName>(resolveNtdllSymbol(ntLibrary, #symbolName)); \ |
| if (!symbolName) \ |
| return false; |
| |
| GENERATE_SYMBOL_VARIABLE(ULONG, RtlNtStatusToDosError, NTSTATUS) |
| GENERATE_SYMBOL_VARIABLE(NTSTATUS, NtDeviceIoControlFile, HANDLE, HANDLE, PIO_APC_ROUTINE, PVOID, PIO_STATUS_BLOCK, ULONG, PVOID, ULONG, PVOID, ULONG) |
| |
| inline QFunctionPointer resolveNtdllSymbol(QLibrary *ntLibrary, const char *symbolName) |
| { |
| QFunctionPointer symbolFunctionPointer = ntLibrary->resolve(symbolName); |
| if (!symbolFunctionPointer) |
| qWarning("Failed to resolve the symbol: %s", symbolName); |
| |
| return symbolFunctionPointer; |
| } |
| |
| inline bool resolveNtdllSymbols(QLibrary *ntLibrary) |
| { |
| if (!ntLibrary->isLoaded()) { |
| ntLibrary->setFileName(QStringLiteral("ntdll")); |
| if (!ntLibrary->load()) { |
| qWarning("Failed to load the library: %s", qPrintable(ntLibrary->fileName())); |
| return false; |
| } |
| } |
| |
| RESOLVE_SYMBOL(RtlNtStatusToDosError) |
| RESOLVE_SYMBOL(NtDeviceIoControlFile) |
| |
| return true; |
| } |
| |
| #endif // QTNTDLL_P_H |