iothub/service/src/net451/Common/Interop/UnsafeNativeMethods.cs

//------------------------------------------------------------ // Copyright (c) Microsoft Corporation. All rights reserved. //------------------------------------------------------------ namespace Microsoft.Azure.Devices.Common.Interop { using System; using System.Diagnostics.CodeAnalysis; using System.Diagnostics.Eventing; using System.Runtime.InteropServices; using System.Runtime.Versioning; using System.Security; using System.Text; using System.Threading; using Microsoft.Win32.SafeHandles; [SuppressUnmanagedCodeSecurity] static class UnsafeNativeMethods { public const string KERNEL32 = "kernel32.dll"; public const String ADVAPI32 = "advapi32.dll"; public const string WS2_32 = "ws2_32.dll"; public const int ERROR_SUCCESS = 0; public const int ERROR_INVALID_HANDLE = 6; public const int ERROR_OUTOFMEMORY = 14; public const int ERROR_MORE_DATA = 234; public const int ERROR_ARITHMETIC_OVERFLOW = 534; public const int ERROR_NOT_ENOUGH_MEMORY = 8; public const int ERROR_OPERATION_ABORTED = 995; public const int ERROR_IO_PENDING = 997; public const int ERROR_NO_SYSTEM_RESOURCES = 1450; public const int STATUS_PENDING = 0x103; // socket errors public const int WSAACCESS = 10013; public const int WSAEMFILE = 10024; public const int WSAEMSGSIZE = 10040; public const int WSAEADDRINUSE = 10048; public const int WSAEADDRNOTAVAIL = 10049; public const int WSAENETDOWN = 10050; public const int WSAENETUNREACH = 10051; public const int WSAENETRESET = 10052; public const int WSAECONNABORTED = 10053; public const int WSAECONNRESET = 10054; public const int WSAENOBUFS = 10055; public const int WSAESHUTDOWN = 10058; public const int WSAETIMEDOUT = 10060; public const int WSAECONNREFUSED = 10061; public const int WSAEHOSTDOWN = 10064; public const int WSAEHOSTUNREACH = 10065; [StructLayout(LayoutKind.Explicit, Size = 16)] public struct EventData { [FieldOffset(0)] internal UInt64 DataPointer; [FieldOffset(8)] internal uint Size; [FieldOffset(12)] internal int Reserved; } //[SuppressMessage(FxCop.Category.Interoperability, FxCop.Rule.MarkBooleanPInvokeArgumentsWithMarshalAs, Justification = "Opened as CSDMain #183080.")] //[SuppressMessage(FxCop.Category.Security, FxCop.Rule.ReviewSuppressUnmanagedCodeSecurityUsage, // Justification = "This PInvoke call has been reviewed")] [DllImport(KERNEL32, BestFitMapping = false, CharSet = CharSet.Auto)] [ResourceExposure(ResourceScope.Process)] [SecurityCritical] public static extern SafeWaitHandle CreateWaitableTimer(IntPtr mustBeZero, bool manualReset, string timerName); //[SuppressMessage(FxCop.Category.Interoperability, FxCop.Rule.MarkBooleanPInvokeArgumentsWithMarshalAs, Justification = "Opened as CSDMain #183080.")] //[SuppressMessage(FxCop.Category.Security, FxCop.Rule.ReviewSuppressUnmanagedCodeSecurityUsage, // Justification = "This PInvoke call has been reviewed")] [DllImport(KERNEL32, ExactSpelling = true)] [ResourceExposure(ResourceScope.None)] [SecurityCritical] public static extern bool SetWaitableTimer(SafeWaitHandle handle, ref long dueTime, int period, IntPtr mustBeZero, IntPtr mustBeZeroAlso, bool resume); //[SuppressMessage(FxCop.Category.Security, FxCop.Rule.ReviewSuppressUnmanagedCodeSecurityUsage, // Justification = "This PInvoke call has been reviewed")] [DllImport(KERNEL32, SetLastError = true)] [ResourceExposure(ResourceScope.None)] [SecurityCritical] public static extern int QueryPerformanceCounter(out long time); //[SuppressMessage(FxCop.Category.Security, FxCop.Rule.ReviewSuppressUnmanagedCodeSecurityUsage, // Justification = "This PInvoke call has been reviewed")] [DllImport(KERNEL32, SetLastError = false)] [ResourceExposure(ResourceScope.None)] [SecurityCritical] public static extern uint GetSystemTimeAdjustment( [Out] out int adjustment, [Out] out uint increment, [Out] out uint adjustmentDisabled ); [DllImport(KERNEL32, SetLastError = true)] [ResourceExposure(ResourceScope.None)] [SecurityCritical] public static extern void GetSystemTimeAsFileTime([Out] out long time); [DllImport(WS2_32, SetLastError = true)] internal static unsafe extern int WSARecv ( IntPtr handle, WSABuffer* buffers, int bufferCount, out int bytesTransferred, ref int socketFlags, NativeOverlapped* nativeOverlapped, IntPtr completionRoutine); [DllImport(WS2_32, SetLastError = true)] internal static unsafe extern bool WSAGetOverlappedResult( IntPtr socketHandle, NativeOverlapped* overlapped, out int bytesTransferred, bool wait, out uint flags); ////[DllImport(KERNEL32, SetLastError = true)] ////[return: MarshalAs(UnmanagedType.Bool)] ////[ResourceExposure(ResourceScope.None)] ////[SecurityCritical] ////static extern bool GetComputerNameEx //// ( //// [In] ComputerNameFormat nameType, //// [In, Out, MarshalAs(UnmanagedType.LPTStr)] StringBuilder lpBuffer, //// [In, Out] ref int size //// ); ////[SecurityCritical] ////internal static string GetComputerName(ComputerNameFormat nameType) ////{ //// int length = 0; //// if (!GetComputerNameEx(nameType, null, ref length)) //// { //// int error = Marshal.GetLastWin32Error(); //// if (error != ERROR_MORE_DATA) //// { //// throw Fx.Exception.AsError(new System.ComponentModel.Win32Exception(error)); //// } //// } //// if (length < 0) //// { //// Fx.AssertAndThrow("GetComputerName returned an invalid length: " + length); //// } //// StringBuilder stringBuilder = new StringBuilder(length); //// if (!GetComputerNameEx(nameType, stringBuilder, ref length)) //// { //// int error = Marshal.GetLastWin32Error(); //// throw Fx.Exception.AsError(new System.ComponentModel.Win32Exception(error)); //// } //// return stringBuilder.ToString(); ////} [DllImport(KERNEL32)] [ResourceExposure(ResourceScope.None)] [SecurityCritical] internal static extern bool IsDebuggerPresent(); [DllImport(KERNEL32)] [ResourceExposure(ResourceScope.Process)] [SecurityCritical] internal static extern void DebugBreak(); [DllImport(KERNEL32, CharSet = CharSet.Unicode)] [ResourceExposure(ResourceScope.Process)] [SecurityCritical] internal static extern void OutputDebugString(string lpOutputString); // // Callback // [SecurityCritical] internal unsafe delegate void EtwEnableCallback( [In] ref Guid sourceId, [In] int isEnabled, [In] byte level, [In] long matchAnyKeywords, [In] long matchAllKeywords, [In] void* filterData, [In] void* callbackContext ); [DllImport(ADVAPI32, ExactSpelling = true, EntryPoint = "EventRegister", CharSet = System.Runtime.InteropServices.CharSet.Unicode)] [SecurityCritical] internal static extern unsafe uint EventRegister( [In] ref Guid providerId, [In]EtwEnableCallback enableCallback, [In]void* callbackContext, [In][Out]ref long registrationHandle ); [DllImport(ADVAPI32, ExactSpelling = true, EntryPoint = "EventUnregister", CharSet = System.Runtime.InteropServices.CharSet.Unicode)] [SecurityCritical] internal static extern uint EventUnregister([In] long registrationHandle); [DllImport(ADVAPI32, ExactSpelling = true, EntryPoint = "EventWrite", CharSet = System.Runtime.InteropServices.CharSet.Unicode)] [SecurityCritical] internal static extern unsafe uint EventWrite( [In] long registrationHandle, [In] ref EventDescriptor eventDescriptor, [In] uint userDataCount, [In] EventData* userData ); [DllImport(ADVAPI32, ExactSpelling = true, EntryPoint = "EventWriteTransfer", CharSet = System.Runtime.InteropServices.CharSet.Unicode)] [SecurityCritical] internal static extern unsafe uint EventWriteTransfer( [In] long registrationHandle, [In] ref EventDescriptor eventDescriptor, [In] ref Guid activityId, [In] ref Guid relatedActivityId, [In] uint userDataCount, [In] EventData* userData ); [DllImport(ADVAPI32, ExactSpelling = true, EntryPoint = "EventWriteString", CharSet = System.Runtime.InteropServices.CharSet.Unicode)] [SecurityCritical] internal static extern unsafe uint EventWriteString( [In] long registrationHandle, [In] byte level, [In] long keywords, [In] char* message ); [DllImport(ADVAPI32, ExactSpelling = true, EntryPoint = "EventActivityIdControl", CharSet = System.Runtime.InteropServices.CharSet.Unicode)] [SecurityCritical] internal static extern unsafe uint EventActivityIdControl([In] int ControlCode, [In][Out] ref Guid ActivityId); [DllImport(ADVAPI32, CharSet = System.Runtime.InteropServices.CharSet.Unicode, SetLastError = true)] [ResourceExposure(ResourceScope.None)] [SecurityCritical] internal static extern bool ReportEvent(SafeHandle hEventLog, ushort type, ushort category, uint eventID, byte[] userSID, ushort numStrings, uint dataLen, HandleRef strings, byte[] rawData); [DllImport(ADVAPI32, CharSet = System.Runtime.InteropServices.CharSet.Unicode, SetLastError = true)] [ResourceExposure(ResourceScope.Machine)] [SecurityCritical] internal static extern SafeEventLogWriteHandle RegisterEventSource(string uncServerName, string sourceName); // NOTE: a macro in win32 internal unsafe static bool HasOverlappedIoCompleted( NativeOverlapped* overlapped) { return overlapped->InternalLow != (IntPtr)STATUS_PENDING; } [StructLayout(LayoutKind.Sequential)] internal struct WSABuffer { public int length; public IntPtr buffer; } } }

iothub/service/src/net451/Common/Interop/UnsafeNativeMethods.cs (176 lines of code) (raw):