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