/mcs/class/referencesource/System.ServiceModel/System/ServiceModel/ComIntegration/SafeNativeMethods.cs
C# | 888 lines | 780 code | 103 blank | 5 comment | 96 complexity | 87a80581672db98132f7b50828b25224 MD5 | raw file
Possible License(s): LGPL-2.0, MPL-2.0-no-copyleft-exception, CC-BY-SA-3.0, GPL-2.0
- //-----------------------------------------------------------------------------
- // Copyright (c) Microsoft Corporation. All rights reserved.
- //-----------------------------------------------------------------------------
- namespace System.ServiceModel.ComIntegration
- {
- using System;
- using System.Collections.Specialized;
- using System.ComponentModel;
- using System.Runtime;
- using System.Runtime.InteropServices;
- using System.Runtime.InteropServices.ComTypes;
- using System.Runtime.Versioning;
- using System.Security;
- using System.Security.Permissions;
- using System.Security.Principal;
- using System.ServiceModel.Diagnostics;
- using System.Text;
- using Microsoft.Win32.SafeHandles;
- using SafeCloseHandle = System.IdentityModel.SafeCloseHandle;
- using SafeHGlobalHandle = System.IdentityModel.SafeHGlobalHandle;
- [Flags]
- enum CLSCTX
- {
- INPROC_SERVER = 0x1,
- INPROC_HANDLER = 0x2,
- LOCAL_SERVER = 0x4,
- INPROC_SERVER16 = 0x8,
- REMOTE_SERVER = 0x10,
- INPROC_HANDLER16 = 0x20,
- RESERVED1 = 0x40,
- RESERVED2 = 0x80,
- RESERVED3 = 0x100,
- RESERVED4 = 0x200,
- NO_CODE_DOWNLOAD = 0x400,
- RESERVED5 = 0x800,
- NO_CUSTOM_MARSHAL = 0x1000,
- ENABLE_CODE_DOWNLOAD = 0x2000,
- NO_FAILURE_LOG = 0x4000,
- DISABLE_AAA = 0x8000,
- ENABLE_AAA = 0x10000,
- FROM_DEFAULT_CONTEXT = 0x20000,
- ACTIVATE_32_BIT_SERVER = 0x40000,
- ACTIVATE_64_BIT_SERVER = 0x80000,
- INPROC = INPROC_SERVER | INPROC_HANDLER,
- SERVER = INPROC_SERVER | LOCAL_SERVER | REMOTE_SERVER,
- ALL = SERVER | INPROC_HANDLER
- }
- [Flags]
- enum ComRights
- {
- EXECUTE = 0x01,
- EXECUTE_LOCAL = 0x02,
- EXECUTE_REMOTE = 0x04,
- ACTIVATE_LOCAL = 0x08,
- ACTIVATE_REMOTE = 0x10
- }
-
- enum TOKEN_INFORMATION_CLASS
- {
- TokenUser = 1,
- TokenGroups,
- TokenPrivileges,
- TokenOwner,
- TokenPrimaryGroup,
- TokenDefaultDacl,
- TokenSource,
- TokenType,
- TokenImpersonationLevel,
- TokenStatistics,
- TokenRestrictedSids,
- TokenSessionId,
- TokenGroupsAndPrivileges,
- TokenSessionReference,
- TokenSandBoxInert
- }
- enum SecurityImpersonationLevel
- {
- Anonymous = 0,
- Identification = 1,
- Impersonation = 2,
- Delegation = 3,
- }
- enum TokenType
- {
- TokenPrimary = 1,
- TokenImpersonation
- }
- enum Win32Error
- {
- ERROR_SUCCESS = 0,
- ERROR_INSUFFICIENT_BUFFER = 122,
- ERROR_NO_TOKEN = 1008,
- ERROR_NONE_MAPPED = 1332,
- ERROR_NO_SUCH_DOMAIN = 1355,
- }
- enum EXTENDED_NAME_FORMAT
- {
- NameUnknown = 0,
- NameFullyQualifiedDN = 1,
- NameSamCompatible = 2,
- NameDisplay = 3,
- NameUniqueId = 6,
- NameCanonical = 7,
- NameUserPrincipalName = 8,
- NameCanonicalEx = 9,
- NameServicePrincipalName = 10,
- NameDnsDomainName = 12
- }
- [Flags]
- enum DSFlags : uint
- {
- DS_FORCE_REDISCOVERY = 0x00000001,
- DS_DIRECTORY_SERVICE_REQUIRED = 0x00000010,
- DS_DIRECTORY_SERVICE_PREFERRED = 0x00000020,
- DS_GC_SERVER_REQUIRED = 0x00000040,
- DS_PDC_REQUIRED = 0x00000080,
- DS_BACKGROUND_ONLY = 0x00000100,
- DS_IP_REQUIRED = 0x00000200,
- DS_KDC_REQUIRED = 0x00000400,
- DS_TIMESERV_REQUIRED = 0x00000800,
- DS_WRITABLE_REQUIRED = 0x00001000,
- DS_GOOD_TIMESERV_PREFERRED = 0x00002000,
- DS_AVOID_SELF = 0x00004000,
- DS_ONLY_LDAP_NEEDED = 0x00008000,
- DS_IS_FLAT_NAME = 0x00010000,
- DS_IS_DNS_NAME = 0x00020000,
- DS_TRY_NEXTCLOSEST_SITE = 0x00040000,
- DS_DIRECTORY_SERVICE_6_REQUIRED = 0x00080000,
- DS_WEB_SERVICE_REQUIRED = 0x00100000,
- DS_DIRECTORY_SERVICE_8_REQUIRED = 0x00200000,
- DS_RETURN_DNS_NAME = 0x40000000,
- DS_RETURN_FLAT_NAME = 0x80000000,
- }
- [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
- struct TagVariant
- {
- public ushort vt;
- public ushort reserved1;
- public ushort reserved2;
- public ushort reserved3;
- public IntPtr ptr;
- public IntPtr pRecInfo;
- }
- static class HR
- {
- internal static readonly int S_OK = 0;
- internal static readonly int S_FALSE = 1;
- internal static readonly int MK_E_SYNTAX = unchecked((int)0x800401e4);
- internal static readonly int E_INVALIDARG = unchecked((int)0x80070057);
- internal static readonly int E_UNEXPECTED = unchecked((int)0x8000ffff);
- internal static readonly int DISP_E_UNKNOWNINTERFACE = unchecked((int)0x80020001);
- internal static readonly int DISP_E_MEMBERNOTFOUND = unchecked((int)0x80020003);
- internal static readonly int DISP_E_PARAMNOTFOUND = unchecked((int)0x80020004);
- internal static readonly int DISP_E_TYPEMISMATCH = unchecked((int)0x80020005);
- internal static readonly int DISP_E_UNKNOWNNAME = unchecked((int)0x80020006);
- internal static readonly int DISP_E_NONAMEDARGS = unchecked((int)0x80020007);
- internal static readonly int DISP_E_BADVARTYPE = unchecked((int)0x80020008);
- internal static readonly int DISP_E_EXCEPTION = unchecked((int)0x80020009);
- internal static readonly int DISP_E_OVERFLOW = unchecked((int)0x8002000A);
- internal static readonly int DISP_E_BADINDEX = unchecked((int)0x8002000B);
- internal static readonly int DISP_E_UNKNOWNLCID = unchecked((int)0x8002000C);
- internal static readonly int DISP_E_ARRAYISLOCKED = unchecked((int)0x8002000D);
- internal static readonly int DISP_E_BADPARAMCOUNT = unchecked((int)0x8002000E);
- internal static readonly int DISP_E_PARAMNOTOPTIONAL = unchecked((int)0x8002000F);
- internal static readonly int DISP_E_BADCALLEE = unchecked((int)0x80020010);
- internal static readonly int DISP_E_NOTACOLLECTION = unchecked((int)0x80020011);
- internal static readonly int DISP_E_DIVBYZERO = unchecked((int)0x80020012);
- internal static readonly int DISP_E_BUFFERTOOSMALL = unchecked((int)0x80020013);
- internal static readonly int RPC_E_TOO_LATE = unchecked((int)0x80010119);
- internal static readonly int RPC_NT_BINDING_HAS_NO_AUTH = unchecked((int)0x800706d2);
- internal static readonly int E_FAIL = unchecked((int)0x80040005);
- internal static readonly int COMADMIN_E_PARTITIONS_DISABLED = unchecked((int)0x80110824);
- internal static readonly int CONTEXT_E_NOTRANSACTION = unchecked((int)0x8004E027);
- internal static readonly int ERROR_BAD_IMPERSONATION_LEVEL = unchecked((int)(0x80070542));
- }
- static class InterfaceID
- {
- public static readonly Guid idISupportErrorInfo = new Guid("{df0b3d60-548f-101b-8e65-08002b2bd119}");
- public static readonly Guid idIDispatch = new Guid("00020400-0000-0000-C000-000000000046");
- }
- [StructLayout(LayoutKind.Sequential)]
- struct LUID
- {
- internal uint LowPart;
- internal int HighPart;
- }
- [StructLayout(LayoutKind.Sequential)]
- struct TOKEN_STATISTICS
- {
- internal LUID TokenId;
- internal LUID AuthenticationId;
- internal Int64 ExpirationTime;
- internal uint TokenType;
- internal SecurityImpersonationLevel ImpersonationLevel;
- internal uint DynamicCharged;
- internal uint DynamicAvailable;
- internal uint GroupCount;
- internal uint PrivilegeCount;
- internal LUID ModifiedId;
- }
- [StructLayout(LayoutKind.Sequential)]
- class GENERIC_MAPPING
- {
- internal uint genericRead = 0;
- internal uint genericWrite = 0;
- internal uint genericExecute = 0;
- internal uint genericAll = 0;
- }
- [Flags]
- internal enum PrivilegeAttribute : uint
- {
- SE_PRIVILEGE_DISABLED = 0x00000000, // note that this is not defined in the header files
- SE_PRIVILEGE_ENABLED_BY_DEFAULT = 0x00000001,
- SE_PRIVILEGE_ENABLED = 0x00000002,
- SE_PRIVILEGE_REMOVED = 0X00000004,
- SE_PRIVILEGE_USED_FOR_ACCESS = 0x80000000,
- }
- [StructLayout(LayoutKind.Sequential)]
- struct LUID_AND_ATTRIBUTES
- {
- internal LUID Luid;
- internal PrivilegeAttribute Attributes;
- }
- [StructLayout(LayoutKind.Sequential)]
- class PRIVILEGE_SET
- {
- internal uint PrivilegeCount = 1;
- internal uint Control = 0;
- internal LUID_AND_ATTRIBUTES Privilege;
- }
- [SuppressUnmanagedCodeSecurity]
- static class SafeNativeMethods
- {
- internal const String KERNEL32 = "kernel32.dll";
- internal const String ADVAPI32 = "advapi32.dll";
- internal const String OLE32 = "ole32.dll";
- internal const String OLEAUT32 = "oleaut32.dll";
- internal const String COMSVCS = "comsvcs.dll";
- internal const String SECUR32 = "secur32.dll";
- internal const String NETAPI32 = "netapi32.dll";
- internal const int ERROR_MORE_DATA = 0xEA;
- internal const int ERROR_SUCCESS = 0;
- internal const int ERROR_INVALID_HANDLE = 6;
- internal const int ERROR_NOT_SUPPORTED = 50;
- internal const int READ_CONTROL = 0x00020000;
- internal const int SYNCHRONIZE = 0x00100000;
- internal const int STANDARD_RIGHTS_READ = READ_CONTROL;
- internal const int STANDARD_RIGHTS_WRITE = READ_CONTROL;
- internal const int KEY_QUERY_VALUE = 0x0001;
- internal const int KEY_SET_VALUE = 0x0002;
- internal const int KEY_CREATE_SUB_KEY = 0x0004;
- internal const int KEY_ENUMERATE_SUB_KEYS = 0x0008;
- internal const int KEY_NOTIFY = 0x0010;
- internal const int KEY_CREATE_LINK = 0x0020;
- internal const int KEY_READ = ((STANDARD_RIGHTS_READ |
- KEY_QUERY_VALUE |
- KEY_ENUMERATE_SUB_KEYS |
- KEY_NOTIFY)
- &
- (~SYNCHRONIZE));
- internal const int KEY_WRITE = STANDARD_RIGHTS_WRITE |
- KEY_SET_VALUE |
- KEY_CREATE_SUB_KEY;
- internal const int REG_NONE = 0; // No value type
- internal const int REG_SZ = 1; // Unicode nul terminated string
- internal const int REG_EXPAND_SZ = 2; // Unicode nul terminated string
- internal const int KEY_WOW64_32KEY = (0x0200);
- internal const int KEY_WOW64_64KEY = (0x0100);
- // (with environment variable references)
- internal const int REG_BINARY = 3; // Free form binary
- internal const int REG_DWORD = 4; // 32-bit number
- internal const int REG_DWORD_LITTLE_ENDIAN = 4; // 32-bit number (same as REG_DWORD)
- internal const int REG_DWORD_BIG_ENDIAN = 5; // 32-bit number
- internal const int REG_LINK = 6; // Symbolic Link (unicode)
- internal const int REG_MULTI_SZ = 7; // Multiple Unicode strings
- internal const int REG_RESOURCE_LIST = 8; // Resource list in the resource map
- internal const int REG_FULL_RESOURCE_DESCRIPTOR = 9; // Resource list in the hardware description
- internal const int REG_RESOURCE_REQUIREMENTS_LIST = 10;
- internal const int REG_QWORD = 11; // 64-bit number
- internal const int HWND_BROADCAST = 0xffff;
- internal const int WM_SETTINGCHANGE = 0x001A;
- [DllImport(ADVAPI32, CharSet = CharSet.Unicode, BestFitMapping = false)]
- [ResourceExposure(ResourceScope.Machine)]
- internal static extern int RegOpenKeyEx(RegistryHandle hKey, String lpSubKey,
- int ulOptions, int samDesired, out RegistryHandle hkResult);
- [DllImport(ADVAPI32, CharSet = CharSet.Unicode, BestFitMapping = false)]
- [ResourceExposure(ResourceScope.None)]
- internal static extern int RegSetValueEx(RegistryHandle hKey, String lpValueName,
- int Reserved, int dwType, String val, int cbData);
- [DllImport(ADVAPI32, SetLastError = false)]
- [ResourceExposure(ResourceScope.None)]
- internal static extern int RegCloseKey(IntPtr handle);
- [DllImport(ADVAPI32, CharSet = CharSet.Unicode, BestFitMapping = false)]
- [ResourceExposure(ResourceScope.None)]
- internal static extern int RegQueryValueEx(RegistryHandle hKey, String lpValueName,
- int[] lpReserved, ref int lpType, [Out] byte[] lpData,
- ref int lpcbData);
- [DllImport(ADVAPI32, CharSet = CharSet.Unicode, BestFitMapping = false)]
- [ResourceExposure(ResourceScope.None)]
- internal static extern int RegEnumKey(RegistryHandle hKey, int index, StringBuilder lpName, ref int len);
- [DllImport(ADVAPI32, CharSet = CharSet.Unicode, BestFitMapping = false)]
- [ResourceExposure(ResourceScope.None)]
- internal static extern int RegDeleteKey(RegistryHandle hKey, String lpValueName);
- [DllImport(ADVAPI32, SetLastError = true)]
- [ResourceExposure(ResourceScope.None)]
- internal static extern bool
- DuplicateTokenEx(
- [In] SafeCloseHandle ExistingToken,
- [In] TokenAccessLevels DesiredAccess,
- [In] IntPtr TokenAttributes,
- [In] SecurityImpersonationLevel ImpersonationLevel,
- [In] TokenType TokenType,
- [Out] out SafeCloseHandle NewToken);
- [DllImport(ADVAPI32, SetLastError = true)]
- [ResourceExposure(ResourceScope.None)]
- internal static extern bool
- AccessCheck(
- [In] byte[] SecurityDescriptor,
- [In] SafeCloseHandle ClientToken,
- [In] int DesiredAccess,
- [In] GENERIC_MAPPING GenericMapping,
- [Out] out PRIVILEGE_SET PrivilegeSet,
- [In, Out] ref uint PrivilegeSetLength,
- [Out] out uint GrantedAccess,
- [Out] out bool AccessStatus);
- [DllImport(ADVAPI32, SetLastError = true, EntryPoint = "ImpersonateAnonymousToken")]
- [ResourceExposure(ResourceScope.None)]
- internal static extern bool
- ImpersonateAnonymousUserOnCurrentThread(
- [In] IntPtr CurrentThread);
- [DllImport(ADVAPI32, SetLastError = true, EntryPoint = "OpenThreadToken")]
- [ResourceExposure(ResourceScope.None)]
- internal static extern bool
- OpenCurrentThreadToken(
- [In] IntPtr ThreadHandle,
- [In] TokenAccessLevels DesiredAccess,
- [In] bool OpenAsSelf,
- [Out] out SafeCloseHandle TokenHandle);
- [DllImport(ADVAPI32, SetLastError = true, EntryPoint = "SetThreadToken")]
- [ResourceExposure(ResourceScope.None)]
- internal static extern bool
- SetCurrentThreadToken(
- [In] IntPtr ThreadHandle,
- [In] SafeCloseHandle TokenHandle);
- [DllImport(KERNEL32, SetLastError = true)]
- [ResourceExposure(ResourceScope.None)]
- internal static extern IntPtr
- GetCurrentThread();
- [DllImport(KERNEL32, SetLastError = false)]
- [ResourceExposure(ResourceScope.None)]
- internal static extern int
- GetCurrentThreadId();
- [DllImport(ADVAPI32, SetLastError = true)]
- [ResourceExposure(ResourceScope.None)]
- internal static extern bool
- RevertToSelf();
- [DllImport(ADVAPI32, SetLastError = true)]
- [ResourceExposure(ResourceScope.None)]
- internal static extern bool
- GetTokenInformation(
- [In] SafeCloseHandle TokenHandle,
- [In] TOKEN_INFORMATION_CLASS TokenInformationClass,
- [In] SafeHandle TokenInformation,
- [Out] uint TokenInformationLength,
- [Out] out uint ReturnLength);
- [DllImport(KERNEL32, SetLastError = true)]
- [ResourceExposure(ResourceScope.None)]
- internal static extern IntPtr
- GetCurrentProcess();
- [DllImport(ADVAPI32, SetLastError = true, EntryPoint = "OpenProcessToken")]
- [ResourceExposure(ResourceScope.None)]
- internal static extern bool
- GetCurrentProcessToken(
- [In]IntPtr ProcessHandle,
- [In]TokenAccessLevels DesiredAccess,
- [Out]out SafeCloseHandle TokenHandle);
- [DllImport(OLE32, ExactSpelling = true, PreserveSig = false)]
- [return: MarshalAs(UnmanagedType.Interface)]
- [ResourceExposure(ResourceScope.None)]
- public static extern object CoCreateInstance(
- [In, MarshalAs(UnmanagedType.LPStruct)] Guid rclsid,
- [In, MarshalAs(UnmanagedType.IUnknown)] object pUnkOuter,
- [In] CLSCTX dwClsContext,
- [In, MarshalAs(UnmanagedType.LPStruct)] Guid riid);
- [DllImport(OLE32, ExactSpelling = true, PreserveSig = false)]
- [return: MarshalAs(UnmanagedType.Interface)]
- [ResourceExposure(ResourceScope.None)]
- public static extern IStream CreateStreamOnHGlobal(
- [In] SafeHGlobalHandle hGlobal,
- [In, MarshalAs(UnmanagedType.Bool)] bool fDeleteOnRelease);
- [DllImport(OLE32, ExactSpelling = true, PreserveSig = false)]
- [ResourceExposure(ResourceScope.None)]
- public static extern SafeHGlobalHandle GetHGlobalFromStream(IStream stream);
- [DllImport(OLE32, ExactSpelling = true, PreserveSig = false)]
- [return: MarshalAs(UnmanagedType.Interface)]
- [ResourceExposure(ResourceScope.None)]
- public static extern object CoGetObjectContext(
- [In, MarshalAs(UnmanagedType.LPStruct)] Guid riid);
- [DllImport(COMSVCS, ExactSpelling = true, PreserveSig = false)]
- [return: MarshalAs(UnmanagedType.Interface)]
- [ResourceExposure(ResourceScope.None)]
- public static extern object CoCreateActivity(
- [In, MarshalAs(UnmanagedType.IUnknown)] object pIUnknown,
- [In, MarshalAs(UnmanagedType.LPStruct)] Guid riid);
- [DllImport(OLE32, ExactSpelling = true, PreserveSig = false)]
- [ResourceExposure(ResourceScope.None)]
- internal static extern IntPtr CoSwitchCallContext(IntPtr newSecurityObject);
- [DllImport(KERNEL32, ExactSpelling = true, PreserveSig = true)]
- [ResourceExposure(ResourceScope.None)]
- internal static extern IntPtr GlobalLock(SafeHGlobalHandle hGlobal);
- [DllImport(KERNEL32, ExactSpelling = true, PreserveSig = true)]
- [return: MarshalAs(UnmanagedType.Bool)]
- [ResourceExposure(ResourceScope.None)]
- internal static extern bool GlobalUnlock(SafeHGlobalHandle hGlobal);
- [DllImport(KERNEL32, ExactSpelling = true, PreserveSig = true)]
- [ResourceExposure(ResourceScope.None)]
- internal static extern IntPtr GlobalSize(SafeHGlobalHandle hGlobal);
- [DllImport(OLEAUT32,
- ExactSpelling = true,
- CharSet = CharSet.Unicode,
- PreserveSig = true)]
- [ResourceExposure(ResourceScope.None)]
- internal static extern int LoadRegTypeLib(ref Guid rguid, ushort major, ushort minor, int lcid,
- [MarshalAs(UnmanagedType.Interface)] out object typeLib);
- [DllImport(OLEAUT32,
- ExactSpelling = true,
- CharSet = CharSet.Unicode,
- PreserveSig = true)]
- [ResourceExposure(ResourceScope.None)]
- internal static extern int SafeArrayGetDim(IntPtr pSafeArray);
- [DllImport(OLEAUT32,
- ExactSpelling = true,
- CharSet = CharSet.Unicode,
- PreserveSig = true)]
- [ResourceExposure(ResourceScope.None)]
- internal static extern int SafeArrayGetElemsize(IntPtr pSafeArray);
- [DllImport(OLEAUT32,
- ExactSpelling = true,
- CharSet = CharSet.Unicode,
- PreserveSig = false)]
- [ResourceExposure(ResourceScope.None)]
- internal static extern int SafeArrayGetLBound(IntPtr pSafeArray, int cDims);
- [DllImport(OLEAUT32,
- ExactSpelling = true,
- CharSet = CharSet.Unicode,
- PreserveSig = false)]
- [ResourceExposure(ResourceScope.None)]
- internal static extern int SafeArrayGetUBound(IntPtr pSafeArray, int cDims);
- [DllImport(OLEAUT32,
- ExactSpelling = true,
- CharSet = CharSet.Unicode,
- PreserveSig = false)]
- [ResourceExposure(ResourceScope.None)]
- internal static extern IntPtr SafeArrayAccessData(IntPtr pSafeArray);
- [DllImport(OLEAUT32,
- ExactSpelling = true,
- CharSet = CharSet.Unicode,
- PreserveSig = false)]
- [ResourceExposure(ResourceScope.None)]
- internal static extern void SafeArrayUnaccessData(IntPtr pSafeArray);
- [DllImport(SECUR32, CharSet = CharSet.Unicode, SetLastError = true)]
- [return: MarshalAs(UnmanagedType.U1)]
- [ResourceExposure(ResourceScope.None)]
- internal static extern bool TranslateName(string input, EXTENDED_NAME_FORMAT inputFormat, EXTENDED_NAME_FORMAT outputFormat, StringBuilder outputString, out uint size);
- [DllImport(NETAPI32, ExactSpelling = true, EntryPoint = "DsGetDcNameW", CharSet = CharSet.Unicode, SetLastError = true)]
- [ResourceExposure(ResourceScope.None)]
- internal static extern int DsGetDcName(
- [In] string computerName,
- [In] string domainName,
- [In] IntPtr domainGuid,
- [In] string siteName,
- [In] uint flags,
- [Out] out IntPtr domainControllerInfo);
- [DllImport(NETAPI32)]
- [ResourceExposure(ResourceScope.None)]
- internal static extern int NetApiBufferFree([In] IntPtr buffer);
- }
- internal static class InterfaceHelper
- {
- // only use this helper to get interfaces that are guaranteed to be supported
- internal static IntPtr GetInterfacePtrForObject(Guid iid, object obj)
- {
- IntPtr pUnk = Marshal.GetIUnknownForObject(obj);
- if (IntPtr.Zero == pUnk)
- {
- throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentException(SR.GetString(SR.UnableToRetrievepUnk)));
- }
- IntPtr ppv = IntPtr.Zero;
- int hr = Marshal.QueryInterface(pUnk, ref iid, out ppv);
- Marshal.Release(pUnk);
- if (hr != HR.S_OK)
- {
- throw Fx.AssertAndThrow("QueryInterface should succeed");
- }
- return ppv;
- }
- }
- internal class RegistryHandle : SafeHandleZeroOrMinusOneIsInvalid
- {
- internal static readonly RegistryHandle HKEY_CLASSES_ROOT = new RegistryHandle(new IntPtr(unchecked((int)0x80000000)), false);
- internal static readonly RegistryHandle HKEY_CURRENT_USER = new RegistryHandle(new IntPtr(unchecked((int)0x80000001)), false);
- internal static readonly RegistryHandle HKEY_LOCAL_MACHINE = new RegistryHandle(new IntPtr(unchecked((int)0x80000002)), false);
- internal static readonly RegistryHandle HKEY_USERS = new RegistryHandle(new IntPtr(unchecked((int)0x80000003)), false);
- internal static readonly RegistryHandle HKEY_PERFORMANCE_DATA = new RegistryHandle(new IntPtr(unchecked((int)0x80000004)), false);
- internal static readonly RegistryHandle HKEY_CURRENT_CONFIG = new RegistryHandle(new IntPtr(unchecked((int)0x80000005)), false);
- internal static readonly RegistryHandle HKEY_DYN_DATA = new RegistryHandle(new IntPtr(unchecked((int)0x80000006)), false);
- [ResourceConsumption(ResourceScope.Machine)]
- static RegistryHandle GetHKCR()
- {
- RegistryHandle regHandle = null;
- int status = SafeNativeMethods.RegOpenKeyEx(HKEY_LOCAL_MACHINE, @"Software\Classes", 0, SafeNativeMethods.KEY_READ, out regHandle);
- if (status != SafeNativeMethods.ERROR_SUCCESS)
- {
- Utility.CloseInvalidOutSafeHandle(regHandle);
- throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new Win32Exception(status));
- }
- if (null == regHandle || regHandle.IsInvalid)
- {
- Fx.Assert("GetHKCR: RegOpenKeyEx returned null but with an invalid handle.");
- Utility.CloseInvalidOutSafeHandle(regHandle);
- throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new Win32Exception(SafeNativeMethods.ERROR_INVALID_HANDLE));
- }
- return regHandle;
- }
- [ResourceConsumption(ResourceScope.Machine)]
- static RegistryHandle Get64bitHKCR()
- {
- RegistryHandle regHandle = null;
- int status = SafeNativeMethods.RegOpenKeyEx(HKEY_LOCAL_MACHINE, @"Software\Classes", 0, SafeNativeMethods.KEY_READ | SafeNativeMethods.KEY_WOW64_64KEY, out regHandle);
- if (status != SafeNativeMethods.ERROR_SUCCESS)
- {
- Utility.CloseInvalidOutSafeHandle(regHandle);
- throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new Win32Exception(status));
- }
- if (null == regHandle || regHandle.IsInvalid)
- {
- Fx.Assert("Get64bitHKCR: RegOpenKeyEx returned null but with an invalid handle.");
- Utility.CloseInvalidOutSafeHandle(regHandle);
- throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new Win32Exception(SafeNativeMethods.ERROR_INVALID_HANDLE));
- }
- return regHandle;
- }
- [ResourceConsumption(ResourceScope.Machine)]
- static RegistryHandle Get32bitHKCR()
- {
- RegistryHandle regHandle = null;
- int status = SafeNativeMethods.RegOpenKeyEx(HKEY_LOCAL_MACHINE, @"Software\Classes", 0, SafeNativeMethods.KEY_READ | SafeNativeMethods.KEY_WOW64_32KEY, out regHandle);
- if (status != SafeNativeMethods.ERROR_SUCCESS)
- {
- Utility.CloseInvalidOutSafeHandle(regHandle);
- throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new Win32Exception(status));
- }
- if (null == regHandle || regHandle.IsInvalid)
- {
- Fx.Assert("Get64bitHKCR: RegOpenKeyEx returned null but with an invalid handle.");
- Utility.CloseInvalidOutSafeHandle(regHandle);
- throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new Win32Exception(SafeNativeMethods.ERROR_INVALID_HANDLE));
- }
- return regHandle;
- }
- static RegistryHandle GetCorrectBitnessHive(bool is64bit)
- {
- if (is64bit && IntPtr.Size == 8) // No worries we are trying to open up a 64 bit hive just return
- return GetHKCR();
- else if (is64bit && IntPtr.Size == 4) // we are running under wow get the 64 bit hive
- return Get64bitHKCR();
- else if (!is64bit && IntPtr.Size == 8) // we are running in 64 bit but need to open a 32 bit hive
- return Get32bitHKCR();
- else if (!is64bit && IntPtr.Size == 4)
- return GetHKCR();
- throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new Win32Exception(SafeNativeMethods.ERROR_NOT_SUPPORTED));
- }
- public static RegistryHandle GetBitnessHKCR(bool is64bit)
- {
- return GetCorrectBitnessHive(is64bit);
- }
- public static RegistryHandle GetCorrectBitnessHKLMSubkey(bool is64bit, string key)
- {
- if (is64bit && IntPtr.Size == 8) // No worries we are trying to open up a 64 bit hive just return
- return GetHKLMSubkey(key);
- else if (is64bit && IntPtr.Size == 4) // we are running under wow get the 64 bit hive
- return Get64bitHKLMSubkey(key);
- else if (!is64bit && IntPtr.Size == 8) // we are running in 64 bit but need to open a 32 bit hive
- return Get32bitHKLMSubkey(key);
- else if (!is64bit && IntPtr.Size == 4)
- return GetHKLMSubkey(key);
- throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new Win32Exception(SafeNativeMethods.ERROR_NOT_SUPPORTED));
- }
- [ResourceConsumption(ResourceScope.Machine)]
- static RegistryHandle GetHKLMSubkey(string key)
- {
- RegistryHandle regHandle = null;
- int status = SafeNativeMethods.RegOpenKeyEx(HKEY_LOCAL_MACHINE, key, 0, SafeNativeMethods.KEY_READ, out regHandle);
- if (status != SafeNativeMethods.ERROR_SUCCESS)
- {
- Utility.CloseInvalidOutSafeHandle(regHandle);
- throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new Win32Exception(status));
- }
- if (null == regHandle || regHandle.IsInvalid)
- {
- Fx.Assert("GetHKLMSubkey: RegOpenKeyEx returned null but with an invalid handle.");
- Utility.CloseInvalidOutSafeHandle(regHandle);
- throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new Win32Exception(SafeNativeMethods.ERROR_INVALID_HANDLE));
- }
- return regHandle;
- }
- [ResourceConsumption(ResourceScope.Machine)]
- static RegistryHandle Get64bitHKLMSubkey(string key)
- {
- RegistryHandle regHandle = null;
- int status = SafeNativeMethods.RegOpenKeyEx(HKEY_LOCAL_MACHINE, key, 0, SafeNativeMethods.KEY_READ | SafeNativeMethods.KEY_WOW64_64KEY, out regHandle);
- if (status != SafeNativeMethods.ERROR_SUCCESS)
- {
- Utility.CloseInvalidOutSafeHandle(regHandle);
- throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new Win32Exception(status));
- }
- if (null == regHandle || regHandle.IsInvalid)
- {
- Fx.Assert("Get64bitHKLMSubkey: RegOpenKeyEx returned null but with an invalid handle.");
- Utility.CloseInvalidOutSafeHandle(regHandle);
- throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new Win32Exception(SafeNativeMethods.ERROR_INVALID_HANDLE));
- }
- return regHandle;
- }
- [ResourceConsumption(ResourceScope.Machine)]
- static RegistryHandle Get32bitHKLMSubkey(string key)
- {
- RegistryHandle regHandle = null;
- int status = SafeNativeMethods.RegOpenKeyEx(HKEY_LOCAL_MACHINE, key, 0, SafeNativeMethods.KEY_READ | SafeNativeMethods.KEY_WOW64_32KEY, out regHandle);
- if (status != SafeNativeMethods.ERROR_SUCCESS)
- {
- Utility.CloseInvalidOutSafeHandle(regHandle);
- throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new Win32Exception(status));
- }
- if (null == regHandle || regHandle.IsInvalid)
- {
- Fx.Assert("Get32bitHKLMSubkey: RegOpenKeyEx returned null but with an invalid handle.");
- Utility.CloseInvalidOutSafeHandle(regHandle);
- throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new Win32Exception(SafeNativeMethods.ERROR_INVALID_HANDLE));
- }
- return regHandle;
- }
- [ResourceConsumption(ResourceScope.Machine)]
- internal static RegistryHandle GetNativeHKLMSubkey(string subKey, bool writeable)
- {
- RegistryHandle regHandle = null;
- int samDesired = SafeNativeMethods.KEY_READ | SafeNativeMethods.KEY_WOW64_64KEY;
- if (writeable)
- {
- samDesired |= SafeNativeMethods.KEY_WRITE;
- }
- int status = SafeNativeMethods.RegOpenKeyEx(HKEY_LOCAL_MACHINE, subKey, 0, samDesired, out regHandle);
- if (status != SafeNativeMethods.ERROR_SUCCESS || regHandle == null || regHandle.IsInvalid)
- {
- Utility.CloseInvalidOutSafeHandle(regHandle);
- return null;
- }
- return regHandle;
- }
- public RegistryHandle(IntPtr hKey, bool ownHandle)
- : base(ownHandle)
- {
- handle = hKey;
- }
- public RegistryHandle()
- : base(true)
- {
- }
- public bool DeleteKey(string key)
- {
- int status = SafeNativeMethods.RegDeleteKey(this, key);
- if (status == SafeNativeMethods.ERROR_SUCCESS)
- return true;
- else
- return false;
- }
- public void SetValue(string valName, string value)
- {
- int status = SafeNativeMethods.RegSetValueEx(this, valName, 0, SafeNativeMethods.REG_SZ, value, (value.Length * 2) + 2);
- if (status != SafeNativeMethods.ERROR_SUCCESS)
- throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new Win32Exception(status));
- }
- [ResourceConsumption(ResourceScope.Machine)]
- public RegistryHandle OpenSubKey(string subkey)
- {
- RegistryHandle regHandle = null;
- int status = SafeNativeMethods.RegOpenKeyEx(this, subkey, 0, SafeNativeMethods.KEY_READ, out regHandle);
- if (status != SafeNativeMethods.ERROR_SUCCESS || regHandle == null || regHandle.IsInvalid)
- {
- Utility.CloseInvalidOutSafeHandle(regHandle);
- return null;
- }
- return regHandle;
- }
- public string GetStringValue(string valName)
- {
- int type = 0;
- int datasize = 0;
- int ret = SafeNativeMethods.RegQueryValueEx(this, valName, null, ref type, (byte[])null, ref datasize);
- if (ret == SafeNativeMethods.ERROR_SUCCESS)
- if (type == SafeNativeMethods.REG_SZ)
- {
- byte[] blob = new byte[datasize];
- ret = SafeNativeMethods.RegQueryValueEx(this, valName, null, ref type, (byte[])blob, ref datasize);
- UnicodeEncoding unicode = new UnicodeEncoding();
- return unicode.GetString(blob);
- }
- return null;
- }
- public StringCollection GetSubKeyNames()
- {
- int ret = 0;
- int index = 0;
- StringCollection keyNames = new StringCollection();
- do
- {
- int lengthInChars = 0;
- ret = SafeNativeMethods.RegEnumKey(this, index, null, ref lengthInChars);
- if (ret == SafeNativeMethods.ERROR_MORE_DATA)
- {
- StringBuilder keyName = new StringBuilder(lengthInChars + 1);
- ret = SafeNativeMethods.RegEnumKey(this, index, keyName, ref lengthInChars);
- if (ret == SafeNativeMethods.ERROR_SUCCESS)
- keyNames.Add(keyName.ToString());
- }
- index++;
- }
- while (ret == SafeNativeMethods.ERROR_SUCCESS);
- return keyNames;
- }
- [PermissionSet(SecurityAction.Demand, Unrestricted = true), SecuritySafeCritical]
- internal unsafe object GetValue(string valName)
- {
- object retVal = null;
- int type = 0;
- int datasize = 0;
- int ret = SafeNativeMethods.RegQueryValueEx(this, valName, null, ref type, (byte[])null, ref datasize);
- if (SafeNativeMethods.ERROR_SUCCESS == ret)
- {
- byte[] blob = new byte[datasize];
- ret = SafeNativeMethods.RegQueryValueEx(this, valName, null, ref type, (byte[])blob, ref datasize);
- if (SafeNativeMethods.ERROR_SUCCESS == ret)
- {
- UnicodeEncoding unicode = new UnicodeEncoding();
- string stringVal = unicode.GetString(blob);
- switch (type)
- {
- case (SafeNativeMethods.REG_BINARY):
- retVal = blob;
- break;
- case (SafeNativeMethods.REG_DWORD):
- fixed (byte* pBuffer = blob)
- {
- retVal = Marshal.ReadInt32((IntPtr)pBuffer);
- }
- break;
- case (SafeNativeMethods.REG_MULTI_SZ):
- retVal = stringVal.Split(new char[] { '\0' }, StringSplitOptions.RemoveEmptyEntries);
- break;
- case (SafeNativeMethods.REG_QWORD):
- fixed (byte* pBuffer = blob)
- {
- retVal = Marshal.ReadInt64((IntPtr)pBuffer);
- }
- break;
- case (SafeNativeMethods.REG_EXPAND_SZ):
- case (SafeNativeMethods.REG_SZ):
- retVal = stringVal.Trim(new char[] { '\0' });
- break;
- default:
- retVal = blob;
- break;
- }
- }
- }
- return retVal;
- }
- protected override bool ReleaseHandle()
- {
- if (SafeNativeMethods.RegCloseKey(handle) == SafeNativeMethods.ERROR_SUCCESS)
- return true;
- else
- return false;
- }
- }
- }