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//------------------------------------------------------------------------------
// <copyright file="NativeMethods.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
// <owner current="true" primary="true">markash</owner>
// <owner current="true" primary="false">blained</owner>
// <owner current="true" primary="false">mithomas</owner>
//------------------------------------------------------------------------------
using System;
using System.Runtime.InteropServices;
using System.Runtime.Versioning;
namespace System.Data.Common {
internal static class NativeMethods {
#if !NO_OLEDB
[Guid("0c733a1e-2a1c-11ce-ade5-00aa0044773d"), InterfaceType(ComInterfaceType.InterfaceIsIUnknown), ComImport]
internal interface ISourcesRowset {
[PreserveSig] System.Data.OleDb.OleDbHResult GetSourcesRowset(
[In] IntPtr pUnkOuter,
[In, MarshalAs(UnmanagedType.LPStruct)] Guid riid,
[In] int cPropertySets,
[In] IntPtr rgProperties,
[Out, MarshalAs(UnmanagedType.Interface)] out object ppRowset);
}
#endif
[Guid("0C733A5E-2A1C-11CE-ADE5-00AA0044773D"), InterfaceTypeAttribute(ComInterfaceType.InterfaceIsIUnknown), ComImport]
internal interface ITransactionJoin {
[ Obsolete("not used", true)] [PreserveSig] int GetOptionsObject(
/*deleted parameter signature*/);
void JoinTransaction(
[In, MarshalAs(UnmanagedType.Interface)] object punkTransactionCoord,
[In] Int32 isoLevel,
[In] Int32 isoFlags,
[In] IntPtr pOtherOptions);
}
[DllImport(ExternDll.Kernel32, ExactSpelling=true, CharSet=System.Runtime.InteropServices.CharSet.Auto)]
[ResourceExposure(ResourceScope.Machine)]
static internal extern IntPtr MapViewOfFile(IntPtr hFileMappingObject, int dwDesiredAccess, int dwFileOffsetHigh, int dwFileOffsetLow, IntPtr dwNumberOfBytesToMap);
// OpenFileMappingA contains a security venerability, in the unicode->ansi conversion
// Its possible to spoof the directory and construct ../ sequeences, See FxCop Warrning
// Specify marshaling for pinvoke string arguments
[DllImport(ExternDll.Kernel32, CharSet=System.Runtime.InteropServices.CharSet.Ansi, BestFitMapping=false, ThrowOnUnmappableChar=true)]
// [DllImport(ExternDll.Kernel32, CharSet=System.Runtime.InteropServices.CharSet.Ansi)]
[ResourceExposure(ResourceScope.Machine)]
static internal extern IntPtr OpenFileMappingA(int dwDesiredAccess, bool bInheritHandle, [MarshalAs(UnmanagedType.LPStr)] string lpName);
// CreateFileMappingA contains a security venerability, in the unicode->ansi conversion
// Its possible to spoof the directory and construct ../ sequeences, See FxCop Warrning
// Specify marshaling for pinvoke string arguments
[DllImport(ExternDll.Kernel32, CharSet=System.Runtime.InteropServices.CharSet.Ansi, BestFitMapping=false, ThrowOnUnmappableChar=true)]
// [DllImport(ExternDll.Kernel32, CharSet=System.Runtime.InteropServices.CharSet.Ansi)]
[ResourceExposure(ResourceScope.Machine)]
static internal extern IntPtr CreateFileMappingA(IntPtr hFile, IntPtr pAttr, int flProtect, int dwMaximumSizeHigh, int dwMaximumSizeLow, [MarshalAs(UnmanagedType.LPStr)] string lpName);
[DllImport(ExternDll.Kernel32, ExactSpelling=true, CharSet=System.Runtime.InteropServices.CharSet.Auto)]
[ResourceExposure(ResourceScope.Machine)]
static internal extern bool UnmapViewOfFile(IntPtr lpBaseAddress);
[DllImport(ExternDll.Kernel32, ExactSpelling=true, CharSet=System.Runtime.InteropServices.CharSet.Auto, SetLastError=true)]
[ResourceExposure(ResourceScope.Machine)]
static internal extern bool CloseHandle(IntPtr handle);
[DllImport(ExternDll.Advapi32, ExactSpelling=true, CharSet=System.Runtime.InteropServices.CharSet.Auto, SetLastError=true)]
[ResourceExposure(ResourceScope.None)]
static internal extern bool AllocateAndInitializeSid(
IntPtr pIdentifierAuthority, // authority
byte nSubAuthorityCount, // count of subauthorities
int dwSubAuthority0, // subauthority 0
int dwSubAuthority1, // subauthority 1
int dwSubAuthority2, // subauthority 2
int dwSubAuthority3, // subauthority 3
int dwSubAuthority4, // subauthority 4
int dwSubAuthority5, // subauthority 5
int dwSubAuthority6, // subauthority 6
int dwSubAuthority7, // subauthority 7
ref IntPtr pSid ); // SID
[DllImport(ExternDll.Advapi32, ExactSpelling=true, CharSet=System.Runtime.InteropServices.CharSet.Auto, SetLastError=true)]
[ResourceExposure(ResourceScope.None)]
static internal extern int GetLengthSid(
IntPtr pSid); // SID to query
[DllImport(ExternDll.Advapi32, ExactSpelling=true, CharSet=System.Runtime.InteropServices.CharSet.Auto, SetLastError=true)]
[ResourceExposure(ResourceScope.None)]
static internal extern bool InitializeAcl(
IntPtr pAcl, // ACL
int nAclLength, // size of ACL
int dwAclRevision ); // revision level of ACL
[DllImport(ExternDll.Advapi32, ExactSpelling=true, CharSet=System.Runtime.InteropServices.CharSet.Auto, SetLastError=true)]
[ResourceExposure(ResourceScope.None)]
static internal extern bool AddAccessDeniedAce(
IntPtr pAcl, // access control list
int dwAceRevision, // ACL revision level
int AccessMask, // access mask
IntPtr pSid ); // security identifier
[DllImport(ExternDll.Advapi32, ExactSpelling=true, CharSet=System.Runtime.InteropServices.CharSet.Auto, SetLastError=true)]
[ResourceExposure(ResourceScope.None)]
static internal extern bool AddAccessAllowedAce(
IntPtr pAcl, // access control list
int dwAceRevision, // ACL revision level
uint AccessMask, // access mask
IntPtr pSid ); // security identifier
[DllImport(ExternDll.Advapi32, ExactSpelling=true, CharSet=System.Runtime.InteropServices.CharSet.Auto, SetLastError=true)]
[ResourceExposure(ResourceScope.None)]
static internal extern bool InitializeSecurityDescriptor(
IntPtr pSecurityDescriptor, // SD
int dwRevision ); // revision level
[DllImport(ExternDll.Advapi32, ExactSpelling=true, CharSet=System.Runtime.InteropServices.CharSet.Auto, SetLastError=true)]
[ResourceExposure(ResourceScope.None)]
static internal extern bool SetSecurityDescriptorDacl(
IntPtr pSecurityDescriptor, // SD
bool bDaclPresent, // DACL presence
IntPtr pDacl, // DACL
bool bDaclDefaulted); // default DACL
[DllImport(ExternDll.Advapi32, ExactSpelling=true, CharSet=System.Runtime.InteropServices.CharSet.Auto, SetLastError=true)]
[ResourceExposure(ResourceScope.None)]
static internal extern IntPtr FreeSid(
IntPtr pSid); // SID to free
}
}
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