244 lines
11 KiB
C#
244 lines
11 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="SafeNativeMethods.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//------------------------------------------------------------------------------
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namespace Microsoft.Win32 {
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using System.Runtime.InteropServices;
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using System.Runtime.Versioning;
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using System;
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using System.Security;
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#if !SILVERLIGHT || FEATURE_NETCORE
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using System.Diagnostics.CodeAnalysis;
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using System.Security.Permissions;
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using System.Collections;
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using System.IO;
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using System.Text;
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using System.Threading;
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using Microsoft.Win32.SafeHandles;
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using System.Runtime.ConstrainedExecution;
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using System.Diagnostics;
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#endif // !SILVERLIGHT || FEATURE_NETCORE
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#if !SILVERLIGHT
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[HostProtection(MayLeakOnAbort = true)]
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[SuppressUnmanagedCodeSecurity]
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#endif // !SILVERLIGHT
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internal static class SafeNativeMethods {
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#if FEATURE_PAL && !FEATURE_NETCORE
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[DllImport("/System/Library/Frameworks/CoreFoundation.framework/CoreFoundation", CallingConvention = CallingConvention.Cdecl)]
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public static extern IntPtr CFStringCreateWithCharacters(
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IntPtr alloc, // CFAllocatorRef
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[MarshalAs(UnmanagedType.LPWStr)]
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string chars,
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int numChars);
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[DllImport("/System/Library/Frameworks/CoreFoundation.framework/CoreFoundation", CallingConvention = CallingConvention.Cdecl)]
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public static extern void CFRelease(IntPtr cf);
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[DllImport("/System/Library/Frameworks/CoreFoundation.framework/CoreFoundation", CallingConvention = CallingConvention.Cdecl)]
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public static extern int CFUserNotificationDisplayAlert(double timeout, uint flags, IntPtr iconUrl, IntPtr soundUrl, IntPtr localizationUrl, IntPtr alertHeader, IntPtr alertMessage, IntPtr defaultButtonTitle, IntPtr alternateButtonTitle, IntPtr otherButtonTitle, ref uint responseFlags);
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#endif // SILVERLIGHT && !FEATURE_NETCORE
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public const int
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MB_RIGHT = 0x00080000,
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MB_RTLREADING = 0x00100000;
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#if !FEATURE_PAL && !FEATURE_CORESYSTEM
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[DllImport(ExternDll.Gdi32, CharSet = System.Runtime.InteropServices.CharSet.Auto)]
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[ResourceExposure(ResourceScope.None)]
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public static extern bool GetTextMetrics(IntPtr hDC, [In, Out] NativeMethods.TEXTMETRIC tm);
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[DllImport(ExternDll.Gdi32, CharSet = System.Runtime.InteropServices.CharSet.Auto)]
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[ResourceExposure(ResourceScope.Process)]
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public static extern IntPtr GetStockObject(int nIndex);
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#endif
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[DllImport(ExternDll.Kernel32, CharSet = System.Runtime.InteropServices.CharSet.Auto, BestFitMapping = true)]
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[ResourceExposure(ResourceScope.None)]
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public static extern void OutputDebugString(String message);
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[DllImport(ExternDll.User32, CharSet = System.Runtime.InteropServices.CharSet.Unicode, EntryPoint="MessageBoxW", ExactSpelling=true)]
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private static extern int MessageBoxSystem(IntPtr hWnd, string text, string caption, int type);
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[SecurityCritical]
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public static int MessageBox(IntPtr hWnd, string text, string caption, int type) {
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try {
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return MessageBoxSystem(hWnd, text, caption, type);
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} catch (DllNotFoundException) {
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return 0;
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} catch (EntryPointNotFoundException) {
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return 0;
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}
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}
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#if !SILVERLIGHT || FEATURE_NETCORE
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public const int
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FORMAT_MESSAGE_ALLOCATE_BUFFER = 0x00000100,
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FORMAT_MESSAGE_IGNORE_INSERTS = 0x00000200,
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FORMAT_MESSAGE_FROM_STRING = 0x00000400,
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FORMAT_MESSAGE_FROM_SYSTEM = 0x00001000,
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FORMAT_MESSAGE_ARGUMENT_ARRAY = 0x00002000;
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public const int ERROR_INSUFFICIENT_BUFFER = 0x7A;
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#if FEATURE_NETCORE
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[SecurityCritical]
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[System.Security.SuppressUnmanagedCodeSecurity]
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#endif
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[DllImport(ExternDll.Kernel32, CharSet=System.Runtime.InteropServices.CharSet.Auto, SetLastError=true, BestFitMapping=true)]
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[SuppressMessage("Microsoft.Security", "CA2101:SpecifyMarshalingForPInvokeStringArguments")]
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[ResourceExposure(ResourceScope.None)]
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public static unsafe extern int FormatMessage(int dwFlags, IntPtr lpSource_mustBeNull, uint dwMessageId,
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int dwLanguageId, StringBuilder lpBuffer, int nSize, IntPtr[] arguments);
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#if FEATURE_NETCORE
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[SecurityCritical]
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[System.Security.SuppressUnmanagedCodeSecurity]
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#endif
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[DllImport(ExternDll.Kernel32, CharSet = System.Runtime.InteropServices.CharSet.Auto, SetLastError = true, BestFitMapping = true)]
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[SuppressMessage("Microsoft.Security", "CA2101:SpecifyMarshalingForPInvokeStringArguments")]
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[ResourceExposure(ResourceScope.None)]
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public static unsafe extern int FormatMessage(int dwFlags, SafeLibraryHandle lpSource, uint dwMessageId,
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int dwLanguageId, StringBuilder lpBuffer, int nSize, IntPtr[] arguments);
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#if FEATURE_NETCORE
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[SecurityCritical]
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[System.Security.SuppressUnmanagedCodeSecurity]
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#else
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[ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
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[ResourceExposure(ResourceScope.None)]
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#endif
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[DllImport(ExternDll.Kernel32, ExactSpelling=true, CharSet=System.Runtime.InteropServices.CharSet.Auto, SetLastError=true)]
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public static extern bool CloseHandle(IntPtr handle);
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#endif // !SILVERLIGHT || FEATURE_NETCORE
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#if !SILVERLIGHT || FEATURE_NETCORE
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#if FEATURE_NETCORE
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[SecurityCritical]
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[System.Security.SuppressUnmanagedCodeSecurity]
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#endif
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[DllImport(ExternDll.Kernel32)]
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[ResourceExposure(ResourceScope.None)]
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public static extern bool QueryPerformanceCounter(out long value);
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#if FEATURE_NETCORE
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[SecurityCritical]
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[System.Security.SuppressUnmanagedCodeSecurity]
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#endif
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[DllImport(ExternDll.Kernel32)]
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[ResourceExposure(ResourceScope.None)]
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public static extern bool QueryPerformanceFrequency(out long value);
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#endif // !SILVERLIGHT || FEATURE_NETCORE
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#if !SILVERLIGHT
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#if !FEATURE_PAL
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public const int
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FORMAT_MESSAGE_MAX_WIDTH_MASK = 0x000000FF,
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FORMAT_MESSAGE_FROM_HMODULE = 0x00000800;
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[DllImport(ExternDll.User32, CharSet=System.Runtime.InteropServices.CharSet.Auto, BestFitMapping=false)]
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[ResourceExposure(ResourceScope.Machine)]
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public static extern int RegisterWindowMessage(string msg);
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#if DEBUG
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// Used only from debug code to assert we're on the right thread
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// for calling certain Windows methods.
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[DllImport(ExternDll.Kernel32, CharSet=System.Runtime.InteropServices.CharSet.Auto)]
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[ResourceExposure(ResourceScope.Process)]
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public static extern int GetCurrentThreadId();
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[DllImport(ExternDll.User32, ExactSpelling=true, CharSet=System.Runtime.InteropServices.CharSet.Auto)]
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[ResourceExposure(ResourceScope.Process)]
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public static extern int GetWindowThreadProcessId(HandleRef hWnd, out int lpdwProcessId);
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#endif
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// file src\Services\Monitoring\system\Diagnosticts\SafeNativeMethods.cs
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[DllImport(ExternDll.Kernel32, CharSet=System.Runtime.InteropServices.CharSet.Unicode, SetLastError=true)]
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[ResourceExposure(ResourceScope.Process)]
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public static extern IntPtr LoadLibrary(string libFilename);
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[DllImport(ExternDll.Kernel32, CharSet=System.Runtime.InteropServices.CharSet.Unicode, SetLastError=true)]
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[ResourceExposure(ResourceScope.Process)]
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public static extern bool FreeLibrary(HandleRef hModule);
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[DllImport(ExternDll.Kernel32, CharSet=CharSet.Auto, BestFitMapping=false)]
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[ResourceExposure(ResourceScope.None)]
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public static extern bool GetComputerName(StringBuilder lpBuffer, int[] nSize);
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public static unsafe int InterlockedCompareExchange(IntPtr pDestination, int exchange, int compare)
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{
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return Interlocked.CompareExchange(ref *(int *)pDestination.ToPointer(), exchange, compare);
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}
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[DllImport(ExternDll.PerfCounter, CharSet=System.Runtime.InteropServices.CharSet.Auto)]
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[ResourceExposure(ResourceScope.None)]
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public static unsafe extern int FormatFromRawValue(
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uint dwCounterType,
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uint dwFormat,
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ref long pTimeBase,
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NativeMethods.PDH_RAW_COUNTER pRawValue1,
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NativeMethods.PDH_RAW_COUNTER pRawValue2,
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NativeMethods.PDH_FMT_COUNTERVALUE pFmtValue
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);
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#endif // !FEATURE_PAL
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[DllImport(ExternDll.Kernel32, SetLastError = true)]
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[ResourceExposure(ResourceScope.None)]
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public static extern bool IsWow64Process(SafeProcessHandle hProcess, ref bool Wow64Process);
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[StructLayout(LayoutKind.Sequential)]
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internal class PROCESS_INFORMATION {
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// The handles in PROCESS_INFORMATION are initialized in unmanaged functions.
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// We can't use SafeHandle here because Interop doesn't support [out] SafeHandles in structures/classes yet.
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public IntPtr hProcess = IntPtr.Zero;
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public IntPtr hThread = IntPtr.Zero;
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public int dwProcessId = 0;
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public int dwThreadId = 0;
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// Note this class makes no attempt to free the handles
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// Use InitialSetHandle to copy to handles into SafeHandles
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}
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/* The following code has been removed to prevent FXCOP violations.
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The code is left here incase it needs to be resurrected.
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// From file src\services\timers\system\timers\safenativemethods.cs
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public delegate void TimerAPCProc(IntPtr argToCompletionRoutine, int timerLowValue, int timerHighValue);
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*/
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#endif // !SILVERLIGHT
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#if !SILVERLIGHT || FEATURE_NETCORE
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#if FEATURE_NETCORE
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[SecurityCritical]
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#endif
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[DllImport(ExternDll.Kernel32, SetLastError=true, CharSet=CharSet.Auto, BestFitMapping=false)]
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[ResourceExposure(ResourceScope.Machine)]
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internal static extern SafeWaitHandle CreateSemaphore(NativeMethods.SECURITY_ATTRIBUTES lpSecurityAttributes, int initialCount, int maximumCount, String name);
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#if FEATURE_NETCORE
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[SecurityCritical]
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#endif
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[DllImport(ExternDll.Kernel32, SetLastError=true, CharSet=CharSet.Auto, BestFitMapping=false)]
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[ResourceExposure(ResourceScope.Machine)]
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internal static extern SafeWaitHandle OpenSemaphore(/* DWORD */ int desiredAccess, bool inheritHandle, String name);
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#if FEATURE_NETCORE
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[SecurityCritical]
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#else
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[ResourceExposure(ResourceScope.Machine)]
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[ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
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#endif
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[DllImport(ExternDll.Kernel32, SetLastError=true)]
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internal static extern bool ReleaseSemaphore(SafeWaitHandle handle, int releaseCount, out int previousCount);
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#endif //!SILVERLIGHT || FEATURE_NETCORE
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}
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}
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