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//-----------------------------------------------------------------------------
// 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;
}
}
}
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