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// Copyright © 2006-2010 Travis Robinson. All rights reserved.
//
// website: http://sourceforge.net/projects/libusbdotnet
// e-mail: libusbdotnet@gmail.com
//
// This program is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. or
// visit www.gnu.org.
//
//
using System;
using System.Globalization;
using System.Runtime.InteropServices;
using System.Security;
using System.Text;
using Microsoft.Win32.SafeHandles;
// ReSharper disable InconsistentNaming
namespace LibUsbDotNet.Internal
{
[SuppressUnmanagedCodeSecurity]
internal static class Kernel32
{
private const int FORMAT_MESSAGE_FROM_SYSTEM = 0x00001000;
private static readonly StringBuilder m_sbSysMsg = new StringBuilder(1024);
[DllImport("kernel32.dll", SetLastError = true, CharSet = CharSet.Auto)]
public static extern SafeFileHandle CreateFile(string fileName,
[MarshalAs(UnmanagedType.U4)] NativeFileAccess fileAccess,
[MarshalAs(UnmanagedType.U4)] NativeFileShare fileShare,
IntPtr securityAttributes,
[MarshalAs(UnmanagedType.U4)] NativeFileMode creationDisposition,
NativeFileFlag flags,
IntPtr template);
[DllImport("kernel32.dll", SetLastError = true, CharSet = CharSet.Auto)]
private static extern int FormatMessage(int dwFlags,
IntPtr lpSource,
int dwMessageId,
int dwLanguageId,
[Out] StringBuilder lpBuffer,
int nSize,
IntPtr lpArguments);
[DllImport("kernel32.dll", SetLastError = true, CharSet = CharSet.Ansi)]
public static extern bool GetOverlappedResult(SafeHandle hDevice, IntPtr lpOverlapped, out int lpNumberOfBytesTransferred, bool bWait);
public static string FormatSystemMessage(int dwMessageId)
{
lock (m_sbSysMsg)
{
int ret = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM,
IntPtr.Zero,
dwMessageId,
CultureInfo.CurrentCulture.LCID,
m_sbSysMsg,
m_sbSysMsg.Capacity - 1,
IntPtr.Zero);
if (ret > 0) return m_sbSysMsg.ToString(0, ret);
return null;
}
}
#region DeviceIoControl
[DllImport("kernel32.dll", SetLastError = true, CharSet = CharSet.Ansi)]
public static extern bool DeviceIoControl(SafeHandle hDevice,
int IoControlCode,
[MarshalAs(UnmanagedType.AsAny), In] object InBuffer,
int nInBufferSize,
IntPtr OutBuffer,
int nOutBufferSize,
out int pBytesReturned,
IntPtr pOverlapped);
[DllImport("kernel32.dll", SetLastError = true, CharSet = CharSet.Ansi)]
public static extern bool DeviceIoControl(SafeHandle hDevice,
int IoControlCode,
[MarshalAs(UnmanagedType.AsAny), In] object InBuffer,
int nInBufferSize,
[MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 6), Out] byte[] OutBuffer,
int nOutBufferSize,
out int pBytesReturned,
IntPtr Overlapped);
[DllImport("kernel32.dll", SetLastError = true, CharSet = CharSet.Ansi)]
public static extern bool DeviceIoControl(SafeHandle hDevice,
int IoControlCode,
IntPtr InBuffer,
int nInBufferSize,
IntPtr OutBuffer,
int nOutBufferSize,
out int pBytesReturned,
IntPtr Overlapped);
[DllImport("kernel32.dll", SetLastError = true, CharSet = CharSet.Ansi, EntryPoint = "DeviceIoControl")]
public static extern bool DeviceIoControlAsObject(SafeHandle hDevice,
int IoControlCode,
[MarshalAs(UnmanagedType.AsAny), In] object InBuffer,
int nInBufferSize,
IntPtr OutBuffer,
int nOutBufferSize,
ref int pBytesReturned,
IntPtr Overlapped);
#endregion
}
[Flags]
internal enum NativeFileAccess : uint
{
FILE_SPECIAL = 0,
FILE_APPEND_DATA = (0x0004), // file
FILE_READ_DATA = (0x0001), // file & pipe
FILE_WRITE_DATA = (0x0002), // file & pipe
FILE_READ_EA = (0x0008), // file & directory
FILE_WRITE_EA = (0x0010), // file & directory
FILE_READ_ATTRIBUTES = (0x0080), // all
FILE_WRITE_ATTRIBUTES = (0x0100), // all
DELETE = 0x00010000,
READ_CONTROL = (0x00020000),
WRITE_DAC = (0x00040000),
WRITE_OWNER = (0x00080000),
SYNCHRONIZE = (0x00100000),
STANDARD_RIGHTS_REQUIRED = (0x000F0000),
STANDARD_RIGHTS_READ = (READ_CONTROL),
STANDARD_RIGHTS_WRITE = (READ_CONTROL),
STANDARD_RIGHTS_EXECUTE = (READ_CONTROL),
STANDARD_RIGHTS_ALL = (0x001F0000),
SPECIFIC_RIGHTS_ALL = (0x0000FFFF),
FILE_GENERIC_READ = (STANDARD_RIGHTS_READ | FILE_READ_DATA | FILE_READ_ATTRIBUTES | FILE_READ_EA | SYNCHRONIZE),
FILE_GENERIC_WRITE = (STANDARD_RIGHTS_WRITE | FILE_WRITE_DATA | FILE_WRITE_ATTRIBUTES | FILE_WRITE_EA | FILE_APPEND_DATA | SYNCHRONIZE),
SPECIAL = 0
}
internal enum NativeFileMode : uint
{
CREATE_NEW = 1,
CREATE_ALWAYS = 2,
OPEN_EXISTING = 3,
OPEN_ALWAYS = 4,
TRUNCATE_EXISTING = 5,
}
[Flags]
internal enum NativeFileShare : uint
{
NONE = 0,
FILE_SHARE_READ = 0x00000001,
FILE_SHARE_WRITE = 0x00000002,
FILE_SHARE_DEELETE = 0x00000004,
}
[Flags]
internal enum NativeFileFlag : uint
{
FILE_ATTRIBUTE_READONLY = 0x00000001,
FILE_ATTRIBUTE_HIDDEN = 0x00000002,
FILE_ATTRIBUTE_SYSTEM = 0x00000004,
FILE_ATTRIBUTE_DIRECTORY = 0x00000010,
FILE_ATTRIBUTE_ARCHIVE = 0x00000020,
FILE_ATTRIBUTE_DEVICE = 0x00000040,
FILE_ATTRIBUTE_NORMAL = 0x00000080,
FILE_ATTRIBUTE_TEMPORARY = 0x00000100,
FILE_ATTRIBUTE_SPARSE_FILE = 0x00000200,
FILE_ATTRIBUTE_REPARSE_POINT = 0x00000400,
FILE_ATTRIBUTE_COMPRESSED = 0x00000800,
FILE_ATTRIBUTE_OFFLINE = 0x00001000,
FILE_ATTRIBUTE_NOT_CONTENT_INDEXED = 0x00002000,
FILE_ATTRIBUTE_ENCRYPTED = 0x00004000,
FILE_FLAG_WRITE_THROUGH = 0x80000000,
FILE_FLAG_OVERLAPPED = 0x40000000,
FILE_FLAG_NO_BUFFERING = 0x20000000,
FILE_FLAG_RANDOM_ACCESS = 0x10000000,
FILE_FLAG_SEQUENTIAL_SCAN = 0x08000000,
FILE_FLAG_DELETE_ON_CLOSE = 0x04000000,
FILE_FLAG_BACKUP_SEMANTICS = 0x02000000,
FILE_FLAG_POSIX_SEMANTICS = 0x01000000,
FILE_FLAG_OPEN_REPARSE_POINT = 0x00200000,
FILE_FLAG_OPEN_NO_RECALL = 0x00100000,
FILE_FLAG_FIRST_PIPE_INSTANCE = 0x00080000,
}
}
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