Code:
/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / Net / System / Net / Mail / iisPickupDirectory.cs / 1 / iisPickupDirectory.cs
using System; using System.Runtime.InteropServices; using System.Text; using System.Diagnostics; using System.Collections; using System.ComponentModel; using System.IO; using System.Runtime.Versioning; using System.Security; using System.Security.Permissions; using System.Security.Authentication; namespace System.Net.Mail { internal enum PropertyName { Invalid = 0, ServerState = 1016, PickupDirectory = 36880 }; internal enum ServerState { Starting = 1, Started = 2, Stopping = 3, Stopped = 4, Pausing = 5, Paused = 6, Continuing = 7, } internal enum MBErrors { DataNotFound = unchecked( (int)0x800CC801 ), // MD_ERROR_DATA_NOT_FOUND InvalidVersion = unchecked( (int)0x800CC802 ), // MD_ERROR_INVALID_VERSION DuplicateNameWarning = unchecked( (int)0x000CC804 ), // MD_WARNING_DUP_NAME InvalidDataWarning = unchecked( (int)0x000CC805 ), // MD_WARNING_INVALID_DATA AlreadyExists = unchecked( (int)0x800700B7 ), // RETURNCODETOHRESULT( ERROR_ALREADY_EXISTS ) InvalidParameter = unchecked( (int)0x80070057 ), // E_INVALIDARG PathNotFound = unchecked( (int)0x80070003 ), // RETURNCODETOHRESULT( ERROR_PATH_NOT_FOUND ) PathBusy = unchecked( (int)0x80070094 ), // RETURNCODETOHRESULT( ERROR_PATH_BUSY ) InsufficientBuffer = unchecked( (int)0x8007007A ), // RETURNCODETOHRESULT( ERROR_INSUFFICIENT_BUFFER ) NoMoreItems = unchecked( (int)0x80070103 ), // RETURNCODETOHRESULT( ERROR_NO_MORE_ITEMS ) AccessDenied = unchecked( (int)0x80070005 ), // RETURNCODETOHRESULT( E_ACCCESS_DENIED ) }; [Flags] internal enum MBKeyAccess : uint { Read = 1, Write = 2 }; [StructLayout(LayoutKind.Sequential, CharSet=CharSet.Auto)] internal unsafe struct MetadataRecord { internal UInt32 Identifier; internal UInt32 Attributes; internal UInt32 UserType; internal UInt32 DataType; internal UInt32 DataLen; internal IntPtr DataBuf; internal UInt32 DataTag; }; [StructLayout(LayoutKind.Sequential)] internal class _METADATA_HANDLE_INFO { _METADATA_HANDLE_INFO() { dwMDPermissions = 0; dwMDSystemChangeNumber = 0; } internal Int32 dwMDPermissions; internal Int32 dwMDSystemChangeNumber; }; #region IMSadminBase itf definitions ////// Summary description for Class1. /// [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)] [ComImport, Guid("70b51430-b6ca-11d0-b9b9-00a0c922e750")] internal interface IMSAdminBase { [PreserveSig] int AddKey( IntPtr handle, [MarshalAs(UnmanagedType.LPWStr)] string Path ); [PreserveSig] int DeleteKey( IntPtr handle, [MarshalAs(UnmanagedType.LPWStr)] string Path ); void DeleteChildKeys( IntPtr handle, [MarshalAs(UnmanagedType.LPWStr)] string Path ); [PreserveSig] int EnumKeys( IntPtr handle, [MarshalAs(UnmanagedType.LPWStr)] string Path, StringBuilder Buffer, int EnumKeyIndex ); void CopyKey( IntPtr source, [MarshalAs(UnmanagedType.LPWStr)] string SourcePath, IntPtr dest, [MarshalAs(UnmanagedType.LPWStr)] string DestPath, bool OverwriteFlag, bool CopyFlag ); void RenameKey( IntPtr key, [MarshalAs(UnmanagedType.LPWStr)] string path, [MarshalAs(UnmanagedType.LPWStr)] string newName ); [PreserveSig] int SetData( IntPtr key, [MarshalAs(UnmanagedType.LPWStr)] string path, ref MetadataRecord data ); [PreserveSig] int GetData( IntPtr key, [MarshalAs(UnmanagedType.LPWStr)] string path, ref MetadataRecord data, [In, Out] ref uint RequiredDataLen ); [PreserveSig] int DeleteData( IntPtr key, [MarshalAs(UnmanagedType.LPWStr)] string path, uint Identifier, uint DataType ); [PreserveSig] int EnumData( IntPtr key, [MarshalAs(UnmanagedType.LPWStr)] string path, ref MetadataRecord data, int EnumDataIndex, [In, Out] ref uint RequiredDataLen ); [PreserveSig] int GetAllData( IntPtr handle, [MarshalAs(UnmanagedType.LPWStr)] string Path, UInt32 Attributes, UInt32 UserType, UInt32 DataType, [In, Out] ref UInt32 NumDataEntries, [In, Out] ref UInt32 DataSetNumber, UInt32 BufferSize, // [Out, MarshalAs(UnmanagedType.LPArray, SizeParamIndex=7)] out byte[] Buffer, IntPtr buffer, [In,Out] ref UInt32 RequiredBufferSize ); void DeleteAllData( IntPtr handle, [MarshalAs(UnmanagedType.LPWStr)] string Path, uint UserType, uint DataType ); [PreserveSig] int CopyData( IntPtr sourcehandle, [MarshalAs(UnmanagedType.LPWStr)] string SourcePath, IntPtr desthandle, [MarshalAs(UnmanagedType.LPWStr)] string DestPath, int Attributes, int UserType, int DataType, [MarshalAs(UnmanagedType.Bool)] bool CopyFlag ); [PreserveSig] void GetDataPaths( IntPtr handle, [MarshalAs(UnmanagedType.LPWStr)] string Path, int Identifier, int DataType, int BufferSize, [Out, MarshalAs(UnmanagedType.LPWStr, SizeParamIndex=4)] out char[] Buffer, [In, Out, MarshalAs(UnmanagedType.U4)] ref int RequiredBufferSize ); [PreserveSig] int OpenKey( IntPtr handle, [MarshalAs(UnmanagedType.LPWStr)] string Path, [MarshalAs(UnmanagedType.U4)] MBKeyAccess AccessRequested, int TimeOut, [In, Out] ref IntPtr NewHandle ); [PreserveSig] int CloseKey( IntPtr handle ); void ChangePermissions( IntPtr handle, int TimeOut, [MarshalAs(UnmanagedType.U4)] MBKeyAccess AccessRequested ); void SaveData( ); [PreserveSig] void GetHandleInfo( IntPtr handle, [In, Out] ref _METADATA_HANDLE_INFO Info ); [PreserveSig] void GetSystemChangeNumber( [In, Out, MarshalAs(UnmanagedType.U4)] ref uint SystemChangeNumber ); [PreserveSig] void GetDataSetNumber( IntPtr handle, [MarshalAs(UnmanagedType.LPWStr)] string Path, [In, Out] ref uint DataSetNumber ); [PreserveSig] void SetLastChangeTime( IntPtr handle, [MarshalAs(UnmanagedType.LPWStr)] string Path, [Out] out System.Runtime.InteropServices.ComTypes.FILETIME LastChangeTime, bool LocalTime ); [PreserveSig] int GetLastChangeTime( IntPtr handle, [MarshalAs(UnmanagedType.LPWStr)] string Path, [In, Out] ref System.Runtime.InteropServices.ComTypes.FILETIME LastChangeTime, bool LocalTime ); [PreserveSig] int KeyExchangePhase1( ); [PreserveSig] int KeyExchangePhase2( ); [PreserveSig] int Backup( [MarshalAs(UnmanagedType.LPWStr)] string Location, int Version, int Flags ); [PreserveSig] int Restore( [MarshalAs(UnmanagedType.LPWStr)] string Location, int Version, int Flags ); [PreserveSig] void EnumBackups( [Out, MarshalAs(UnmanagedType.LPWStr, SizeConst=256)] out string Location, [Out, MarshalAs(UnmanagedType.U4)] out uint Version, [Out] out System.Runtime.InteropServices.ComTypes.FILETIME BackupTime, uint EnumIndex ); [PreserveSig] void DeleteBackup( [MarshalAs(UnmanagedType.LPWStr)] string Location, int Version ); [PreserveSig] int UnmarshalInterface( [Out] [MarshalAs(UnmanagedType.Interface)] out IMSAdminBase interf ); [PreserveSig] int GetServerGuid( ); } [ClassInterface(ClassInterfaceType.None)] [TypeLibType(TypeLibTypeFlags.FCanCreate)] [ComImport, Guid("a9e69610-b80d-11d0-b9b9-00a0c922e750")] internal class MSAdminBase { } #endregion internal enum MBDataType : byte { All = 0, Dword = 1, String = 2, Binary = 3, StringExpand = 4, MultiString = 5 }; internal enum MBUserType : byte { Other = 0, Asp = 101, // ASP_MD_UT_APP, File = 2, // IIS_MD_UT_FILE, Server = 1, // IIS_MD_UT_SERVER, Wam = 100 // IIS_MD_UT_WAM }; [SecurityPermission(SecurityAction.Assert, Flags = SecurityPermissionFlag.UnmanagedCode)] internal static class IisPickupDirectory { const int MaxPathSize = 260; const int InfiniteTimeout = -1; const int MetadataMaxNameLen = 256; [ResourceExposure(ResourceScope.Machine)] [ResourceConsumption(ResourceScope.Machine)] internal unsafe static string GetPickupDirectory() { int hr; UInt32 reqLength=0; Int32 serverState; string pickupDirectory=string.Empty; IMSAdminBase adminBase = null; IntPtr ptrKey = IntPtr.Zero; StringBuilder keySuffix = new StringBuilder(MetadataMaxNameLen); uint bufferLen = MaxPathSize * 4; byte[] buffer = new byte[bufferLen]; try { adminBase = new MSAdminBase() as IMSAdminBase; hr = adminBase.OpenKey(IntPtr.Zero, "LM/SmtpSvc", MBKeyAccess.Read, InfiniteTimeout, ref ptrKey); if (hr < 0) goto Exit; MetadataRecord rec = new MetadataRecord(); fixed( byte* bufferPtr = buffer) { for (int index=0; ; index++) { hr = adminBase.EnumKeys(ptrKey, "", keySuffix, index); if (hr == unchecked((int)MBErrors.NoMoreItems)) break; if (hr < 0) goto Exit; rec.Identifier = (UInt32) PropertyName.ServerState; rec.Attributes = 0; rec.UserType = (UInt32) MBUserType.Server; rec.DataType = (UInt32) MBDataType.Dword; rec.DataTag = 0; rec.DataBuf = (IntPtr) bufferPtr; rec.DataLen = bufferLen; hr = adminBase.GetData(ptrKey, keySuffix.ToString(), ref rec, ref reqLength); if (hr < 0) { if (hr == unchecked((int)MBErrors.DataNotFound) || hr == unchecked((int)MBErrors.AccessDenied)) continue; else goto Exit; } serverState = Marshal.ReadInt32((IntPtr)bufferPtr); if (serverState == (Int32) ServerState.Started) { rec.Identifier = (UInt32) PropertyName.PickupDirectory; rec.Attributes = 0; rec.UserType = (UInt32) MBUserType.Server; rec.DataType = (UInt32) MBDataType.String; rec.DataTag = 0; rec.DataBuf = (IntPtr) bufferPtr; rec.DataLen = bufferLen; hr = adminBase.GetData(ptrKey, keySuffix.ToString(), ref rec, ref reqLength); if (hr < 0) goto Exit; pickupDirectory = Marshal.PtrToStringUni((IntPtr)bufferPtr); break; } } if (hr == unchecked((int)MBErrors.NoMoreItems)) { for (int index=0; ; index++) { hr = adminBase.EnumKeys(ptrKey, "", keySuffix, index); if (hr == unchecked((int)MBErrors.NoMoreItems)) break; if (hr < 0) goto Exit; rec.Identifier = (UInt32) PropertyName.PickupDirectory; rec.Attributes = 0; rec.UserType = (UInt32) MBUserType.Server; rec.DataType = (UInt32) MBDataType.String; rec.DataTag = 0; rec.DataBuf = (IntPtr) bufferPtr; rec.DataLen = bufferLen; hr = adminBase.GetData(ptrKey, keySuffix.ToString(), ref rec, ref reqLength); if (hr < 0) { if (hr == unchecked((int)MBErrors.DataNotFound) || hr == unchecked((int)MBErrors.AccessDenied)) continue; else goto Exit; } pickupDirectory = Marshal.PtrToStringUni((IntPtr)bufferPtr); if (Directory.Exists(pickupDirectory)) break; else pickupDirectory = string.Empty; } } } Exit: ; } catch (Exception exception) { if (exception is SecurityException || exception is AuthenticationException || exception is SmtpException) throw; throw new SmtpException(SR.GetString(SR.SmtpGetIisPickupDirectoryFailed)); } catch { throw new SmtpException(SR.GetString(SR.SmtpGetIisPickupDirectoryFailed)); } finally { if (adminBase != null) if (ptrKey != IntPtr.Zero) adminBase.CloseKey(ptrKey); } if (pickupDirectory == string.Empty) throw new SmtpException(SR.GetString(SR.SmtpGetIisPickupDirectoryFailed)); return pickupDirectory; } } }
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