src/libraries/System.Data.OleDb/src/NativeMethods.cs

   1 // Licensed to the .NET Foundation under one or more agreements.
   2 // The .NET Foundation licenses this file to you under the MIT license.
   3
   4 using System.Runtime.InteropServices;
   5
   6 namespace System.Data.Common
   7 {
   8     internal static class NativeMethods
   9     {
  10         [Guid("0c733a1e-2a1c-11ce-ade5-00aa0044773d"), InterfaceType(ComInterfaceType.InterfaceIsIUnknown), ComImport]
  11         internal interface ISourcesRowset
  12         {
  13             [PreserveSig]
  14             System.Data.OleDb.OleDbHResult GetSourcesRowset(
  15                 [In] IntPtr pUnkOuter,
  16                 [In, MarshalAs(UnmanagedType.LPStruct)] Guid riid,
  17                 [In] int cPropertySets,
  18                 [In] IntPtr rgProperties,
  19                 [Out, MarshalAs(UnmanagedType.Interface)] out object ppRowset);
  20         }
  21
  22         [Guid("0C733A5E-2A1C-11CE-ADE5-00AA0044773D"), InterfaceType(ComInterfaceType.InterfaceIsIUnknown), ComImport]
  23         internal interface ITransactionJoin
  24         {
  25             [Obsolete("not used", true)]
  26             [PreserveSig]
  27             int GetOptionsObject(IntPtr ppOptions);
  28
  29             void JoinTransaction(
  30                 [In, MarshalAs(UnmanagedType.Interface)] object? punkTransactionCoord,
  31                 [In] int isoLevel,
  32                 [In] int isoFlags,
  33                 [In] IntPtr pOtherOptions);
  34         }
  35
  36         [DllImport(Interop.Libraries.Kernel32, ExactSpelling = true, CharSet = System.Runtime.InteropServices.CharSet.Auto)]
  37         internal static extern IntPtr MapViewOfFile(IntPtr hFileMappingObject, int dwDesiredAccess, int dwFileOffsetHigh, int dwFileOffsetLow, IntPtr dwNumberOfBytesToMap);
  38
  39         [DllImport(Interop.Libraries.Kernel32, ExactSpelling = true, CharSet = System.Runtime.InteropServices.CharSet.Auto)]
  40         internal static extern bool UnmapViewOfFile(IntPtr lpBaseAddress);
  41
  42         [DllImport(Interop.Libraries.Kernel32, ExactSpelling = true, CharSet = System.Runtime.InteropServices.CharSet.Auto, SetLastError = true)]
  43         internal static extern bool CloseHandle(IntPtr handle);
  44
  45         [DllImport(Interop.Libraries.Advapi32, ExactSpelling = true, CharSet = System.Runtime.InteropServices.CharSet.Auto, SetLastError = true)]
  46         internal static extern bool AllocateAndInitializeSid(
  47             IntPtr pIdentifierAuthority, // authority
  48             byte nSubAuthorityCount,                        // count of subauthorities
  49             int dwSubAuthority0,                          // subauthority 0
  50             int dwSubAuthority1,                          // subauthority 1
  51             int dwSubAuthority2,                          // subauthority 2
  52             int dwSubAuthority3,                          // subauthority 3
  53             int dwSubAuthority4,                          // subauthority 4
  54             int dwSubAuthority5,                          // subauthority 5
  55             int dwSubAuthority6,                          // subauthority 6
  56             int dwSubAuthority7,                          // subauthority 7
  57             ref IntPtr pSid);                                   // SID
  58
  59         [DllImport(Interop.Libraries.Advapi32, ExactSpelling = true, CharSet = System.Runtime.InteropServices.CharSet.Auto, SetLastError = true)]
  60         internal static extern int GetLengthSid(
  61                     IntPtr pSid);   // SID to query
  62
  63         [DllImport(Interop.Libraries.Advapi32, ExactSpelling = true, CharSet = System.Runtime.InteropServices.CharSet.Auto, SetLastError = true)]
  64         internal static extern bool InitializeAcl(
  65             IntPtr pAcl,            // ACL
  66             int nAclLength,     // size of ACL
  67             int dwAclRevision);  // revision level of ACL
  68
  69         [DllImport(Interop.Libraries.Advapi32, ExactSpelling = true, CharSet = System.Runtime.InteropServices.CharSet.Auto, SetLastError = true)]
  70         internal static extern bool AddAccessDeniedAce(
  71             IntPtr pAcl,            // access control list
  72             int dwAceRevision,  // ACL revision level
  73             int AccessMask,     // access mask
  74             IntPtr pSid);           // security identifier
  75
  76         [DllImport(Interop.Libraries.Advapi32, ExactSpelling = true, CharSet = System.Runtime.InteropServices.CharSet.Auto, SetLastError = true)]
  77         internal static extern bool AddAccessAllowedAce(
  78             IntPtr pAcl,            // access control list
  79             int dwAceRevision,  // ACL revision level
  80             uint AccessMask,     // access mask
  81             IntPtr pSid);           // security identifier
  82
  83         [DllImport(Interop.Libraries.Advapi32, ExactSpelling = true, CharSet = System.Runtime.InteropServices.CharSet.Auto, SetLastError = true)]
  84         internal static extern bool InitializeSecurityDescriptor(
  85             IntPtr pSecurityDescriptor, // SD
  86             int dwRevision);                         // revision level
  87         [DllImport(Interop.Libraries.Advapi32, ExactSpelling = true, CharSet = System.Runtime.InteropServices.CharSet.Auto, SetLastError = true)]
  88         internal static extern bool SetSecurityDescriptorDacl(
  89             IntPtr pSecurityDescriptor, // SD
  90             bool bDaclPresent,                        // DACL presence
  91             IntPtr pDacl,                               // DACL
  92             bool bDaclDefaulted);                       // default DACL
  93
  94         [DllImport(Interop.Libraries.Advapi32, ExactSpelling = true, CharSet = System.Runtime.InteropServices.CharSet.Auto, SetLastError = true)]
  95         internal static extern IntPtr FreeSid(
  96             IntPtr pSid);   // SID to free
  97     }
  98 }