Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Wmi / managed / System / Management / ManagementScope.cs / 1305376 / ManagementScope.cs
using System;
using System.ComponentModel;
using System.Runtime.InteropServices;
using System.Threading;
using WbemClient_v1;
using System.Globalization;
using System.Reflection;
using System.ComponentModel.Design.Serialization;
using System.Runtime.Versioning;
using System.Runtime.Serialization;
using System.Security;
namespace System.Management
{
internal static class WmiNetUtilsHelper
{
internal static string myDllPath ;
internal delegate int ResetSecurity(IntPtr hToken);
internal delegate int SetSecurity([In][Out] ref bool pNeedtoReset, [In][Out] ref IntPtr pHandle);
internal delegate int BlessIWbemServices([MarshalAs(UnmanagedType.Interface)] IWbemServices pIUnknown,
[In][MarshalAs(UnmanagedType.BStr)] string strUser,
IntPtr password,
[In][MarshalAs(UnmanagedType.BStr)] string strAuthority,
int impersonationLevel,
int authenticationLevel);
internal delegate int BlessIWbemServicesObject([MarshalAs(UnmanagedType.IUnknown)] object pIUnknown,
[In][MarshalAs(UnmanagedType.BStr)] string strUser,
IntPtr password,
[In][MarshalAs(UnmanagedType.BStr)] string strAuthority,
int impersonationLevel,
int authenticationLevel);
internal delegate int GetPropertyHandle(int vFunc, IntPtr pWbemClassObject, [In][MarshalAs(UnmanagedType.LPWStr)] string wszPropertyName, [Out] out Int32 pType, [Out] out Int32 plHandle);
internal delegate int WritePropertyValue(int vFunc, IntPtr pWbemClassObject, [In] Int32 lHandle, [In] Int32 lNumBytes, [In][MarshalAs(UnmanagedType.LPWStr)] string str);
internal delegate int GetQualifierSet(int vFunc, IntPtr pWbemClassObject, [Out] out IntPtr ppQualSet);
internal delegate int Get(int vFunc, IntPtr pWbemClassObject, [In][MarshalAs(UnmanagedType.LPWStr)] string wszName, [In] Int32 lFlags, [In][Out] ref object pVal, [In][Out] ref Int32 pType, [In][Out] ref Int32 plFlavor);
internal delegate int Put(int vFunc, IntPtr pWbemClassObject, [In][MarshalAs(UnmanagedType.LPWStr)] string wszName, [In] Int32 lFlags, [In] ref object pVal, [In] Int32 Type);
internal delegate int Delete(int vFunc, IntPtr pWbemClassObject, [In][MarshalAs(UnmanagedType.LPWStr)] string wszName);
internal delegate int GetNames(int vFunc, IntPtr pWbemClassObject, [In][MarshalAs(UnmanagedType.LPWStr)] string wszQualifierName, [In] Int32 lFlags, [In] ref object pQualifierVal, [Out][MarshalAs(UnmanagedType.SafeArray, SafeArraySubType=VarEnum.VT_BSTR)] out string[] pNames);
internal delegate int BeginEnumeration(int vFunc, IntPtr pWbemClassObject, [In] Int32 lEnumFlags);
internal delegate int Next(int vFunc, IntPtr pWbemClassObject, [In] Int32 lFlags, [In][Out][MarshalAs(UnmanagedType.BStr)] ref string strName, [In][Out] ref object pVal, [In][Out] ref Int32 pType, [In][Out] ref Int32 plFlavor);
internal delegate int EndEnumeration(int vFunc, IntPtr pWbemClassObject);
internal delegate int GetPropertyQualifierSet(int vFunc, IntPtr pWbemClassObject, [In][MarshalAs(UnmanagedType.LPWStr)] string wszProperty, [Out] out IntPtr ppQualSet);
internal delegate int Clone(int vFunc, IntPtr pWbemClassObject, [Out] out IntPtr ppCopy);
internal delegate int GetObjectText(int vFunc, IntPtr pWbemClassObject, [In] Int32 lFlags, [Out][MarshalAs(UnmanagedType.BStr)] out string pstrObjectText);
internal delegate int SpawnDerivedClass(int vFunc, IntPtr pWbemClassObject, [In] Int32 lFlags, [Out] out IntPtr ppNewClass);
internal delegate int SpawnInstance(int vFunc, IntPtr pWbemClassObject, [In] Int32 lFlags, [Out] out IntPtr ppNewInstance);
internal delegate int CompareTo(int vFunc, IntPtr pWbemClassObject, [In] Int32 lFlags, [In] IntPtr pCompareTo);
internal delegate int GetPropertyOrigin(int vFunc, IntPtr pWbemClassObject, [In][MarshalAs(UnmanagedType.LPWStr)] string wszName, [Out][MarshalAs(UnmanagedType.BStr)] out string pstrClassName);
internal delegate int InheritsFrom(int vFunc, IntPtr pWbemClassObject, [In][MarshalAs(UnmanagedType.LPWStr)] string strAncestor);
internal delegate int GetMethod(int vFunc, IntPtr pWbemClassObject, [In][MarshalAs(UnmanagedType.LPWStr)] string wszName, [In] Int32 lFlags, [Out]out IntPtr ppInSignature, [Out] out IntPtr ppOutSignature);
internal delegate int PutMethod(int vFunc, IntPtr pWbemClassObject, [In][MarshalAs(UnmanagedType.LPWStr)] string wszName, [In] Int32 lFlags, [In] IntPtr pInSignature, [In] IntPtr pOutSignature);
internal delegate int DeleteMethod(int vFunc, IntPtr pWbemClassObject, [In][MarshalAs(UnmanagedType.LPWStr)] string wszName);
internal delegate int BeginMethodEnumeration(int vFunc, IntPtr pWbemClassObject, [In] Int32 lEnumFlags);
internal delegate int NextMethod(int vFunc, IntPtr pWbemClassObject, [In] Int32 lFlags, [Out][MarshalAs(UnmanagedType.BStr)] out string pstrName, [Out] out IntPtr ppInSignature, [Out] out IntPtr ppOutSignature);
internal delegate int EndMethodEnumeration(int vFunc, IntPtr pWbemClassObject);
internal delegate int GetMethodQualifierSet(int vFunc, IntPtr pWbemClassObject, [In][MarshalAs(UnmanagedType.LPWStr)] string wszMethod, [Out] out IntPtr ppQualSet);
internal delegate int GetMethodOrigin(int vFunc, IntPtr pWbemClassObject, [In][MarshalAs(UnmanagedType.LPWStr)] string wszMethodName, [Out][MarshalAs(UnmanagedType.BStr)] out string pstrClassName);
internal delegate int QualifierSet_Get(int vFunc, IntPtr pWbemClassObject, [In][MarshalAs(UnmanagedType.LPWStr)] string wszName, [In] Int32 lFlags, [In][Out] ref object pVal, [In][Out] ref Int32 plFlavor);
internal delegate int QualifierSet_Put(int vFunc, IntPtr pWbemClassObject, [In][MarshalAs(UnmanagedType.LPWStr)] string wszName, [In] ref object pVal, [In] Int32 lFlavor);
internal delegate int QualifierSet_Delete(int vFunc, IntPtr pWbemClassObject, [In][MarshalAs(UnmanagedType.LPWStr)] string wszName);
internal delegate int QualifierSet_GetNames(int vFunc, IntPtr pWbemClassObject, [In] Int32 lFlags, [Out][MarshalAs(UnmanagedType.SafeArray, SafeArraySubType=VarEnum.VT_BSTR)] out string[] pNames);
internal delegate int QualifierSet_BeginEnumeration(int vFunc, IntPtr pWbemClassObject, [In] Int32 lFlags);
internal delegate int QualifierSet_Next(int vFunc, IntPtr pWbemClassObject, [In] Int32 lFlags, [Out][MarshalAs(UnmanagedType.BStr)] out string pstrName, [Out] out object pVal, [Out] out Int32 plFlavor);
internal delegate int QualifierSet_EndEnumeration(int vFunc, IntPtr pWbemClassObject);
internal delegate int GetCurrentApartmentType(int vFunc, IntPtr pComThreadingInfo, [Out] out APTTYPE aptType);
internal delegate void VerifyClientKey();
internal delegate int GetDemultiplexedStub([In,MarshalAs(UnmanagedType.IUnknown)]object pIUnknown, [In]bool isLocal, [Out,MarshalAs(UnmanagedType.IUnknown)]out object ppIUnknown);
internal delegate int CreateInstanceEnumWmi([In][MarshalAs(UnmanagedType.BStr)] string strFilter,
[In] Int32 lFlags,
[In][MarshalAs(UnmanagedType.Interface)] IWbemContext pCtx,
[Out][MarshalAs(UnmanagedType.Interface)] out IEnumWbemClassObject ppEnum,
[In] Int32 impLevel,
[In] Int32 authnLevel,
[In] [MarshalAs(UnmanagedType.Interface)] IWbemServices pCurrentNamespace,
[In][MarshalAs(UnmanagedType.BStr)] string strUser,
[In]IntPtr strPassword,
[In][MarshalAs(UnmanagedType.BStr)] string strAuthority
);
internal delegate int CreateClassEnumWmi([In][MarshalAs(UnmanagedType.BStr)] string strSuperclass,
[In] Int32 lFlags,
[In][MarshalAs(UnmanagedType.Interface)] IWbemContext pCtx,
[Out][MarshalAs(UnmanagedType.Interface)] out IEnumWbemClassObject ppEnum,
[In] Int32 impLevel,
[In] Int32 authnLevel,
[In] [MarshalAs(UnmanagedType.Interface)] IWbemServices pCurrentNamespace,
[In][MarshalAs(UnmanagedType.BStr)] string strUser,
[In]IntPtr strPassword,
[In][MarshalAs(UnmanagedType.BStr)] string strAuthority
);
internal delegate int ExecQueryWmi([In][MarshalAs(UnmanagedType.BStr)] string strQueryLanguage,
[In][MarshalAs(UnmanagedType.BStr)] string strQuery,
[In] Int32 lFlags,
[In][MarshalAs(UnmanagedType.Interface)] IWbemContext pCtx,
[Out][MarshalAs(UnmanagedType.Interface)] out IEnumWbemClassObject ppEnum,
[In] Int32 impLevel,
[In] Int32 authnLevel,
[In] [MarshalAs(UnmanagedType.Interface)] IWbemServices pCurrentNamespace,
[In][MarshalAs(UnmanagedType.BStr)] string strUser,
[In]IntPtr strPassword,
[In][MarshalAs(UnmanagedType.BStr)] string strAuthority
);
internal delegate int ExecNotificationQueryWmi( [In][MarshalAs(UnmanagedType.BStr)] string strQueryLanguage,
[In][MarshalAs(UnmanagedType.BStr)] string strQuery,
[In] Int32 lFlags,
[In][MarshalAs(UnmanagedType.Interface)] IWbemContext pCtx,
[Out][MarshalAs(UnmanagedType.Interface)] out IEnumWbemClassObject ppEnum,
[In] Int32 impLevel,
[In] Int32 authnLevel,
[In] [MarshalAs(UnmanagedType.Interface)] IWbemServices pCurrentNamespace,
[In][MarshalAs(UnmanagedType.BStr)] string strUser,
[In]IntPtr strPassword,
[In][MarshalAs(UnmanagedType.BStr)] string strAuthority
);
internal delegate int PutInstanceWmi([In] IntPtr pInst,
[In] Int32 lFlags,
[In][MarshalAs(UnmanagedType.Interface)] IWbemContext pCtx,
[In] IntPtr ppCallResult,
[In] Int32 impLevel,
[In] Int32 authnLevel,
[In] [MarshalAs(UnmanagedType.Interface)] IWbemServices pCurrentNamespace,
[In][MarshalAs(UnmanagedType.BStr)] string strUser,
[In]IntPtr strPassword,
[In][MarshalAs(UnmanagedType.BStr)] string strAuthority
);
internal delegate int PutClassWmi([In] IntPtr pObject,
[In] Int32 lFlags,
[In][MarshalAs(UnmanagedType.Interface)] IWbemContext pCtx,
[In] IntPtr ppCallResult,
[In] Int32 impLevel,
[In] Int32 authnLevel,
[In] [MarshalAs(UnmanagedType.Interface)] IWbemServices pCurrentNamespace,
[In][MarshalAs(UnmanagedType.BStr)] string strUser,
[In]IntPtr strPassword,
[In][MarshalAs(UnmanagedType.BStr)] string strAuthority
);
internal delegate int CloneEnumWbemClassObject(
[Out][MarshalAs(UnmanagedType.Interface)] out IEnumWbemClassObject ppEnum,
[In] Int32 impLevel,
[In] Int32 authnLevel,
[In] [MarshalAs(UnmanagedType.Interface)] IEnumWbemClassObject pCurrentEnumWbemClassObject,
[In][MarshalAs(UnmanagedType.BStr)] string strUser,
[In]IntPtr strPassword,
[In][MarshalAs(UnmanagedType.BStr)] string strAuthority
);
internal delegate int ConnectServerWmi(
[In][MarshalAs(UnmanagedType.BStr)] string strNetworkResource,
[In][MarshalAs(UnmanagedType.BStr)] string strUser,
[In] IntPtr strPassword,
[In][MarshalAs(UnmanagedType.BStr)] string strLocale,
[In] Int32 lSecurityFlags,
[In][MarshalAs(UnmanagedType.BStr)] string strAuthority,
[In][MarshalAs(UnmanagedType.Interface)] IWbemContext pCtx,
[Out][MarshalAs(UnmanagedType.Interface)] out IWbemServices ppNamespace,
int impersonationLevel,
int authenticationLevel);
// 'Apartment Type' returned by IComThreadingInfo::GetCurrentApartmentType()
internal enum APTTYPE
{
APTTYPE_CURRENT = -1,
APTTYPE_STA = 0,
APTTYPE_MTA = 1,
APTTYPE_NA = 2,
APTTYPE_MAINSTA = 3
}
internal static ResetSecurity ResetSecurity_f;
internal static SetSecurity SetSecurity_f;
internal static BlessIWbemServices BlessIWbemServices_f;
internal static BlessIWbemServicesObject BlessIWbemServicesObject_f;
internal static GetPropertyHandle GetPropertyHandle_f27;
internal static WritePropertyValue WritePropertyValue_f28;
internal static GetQualifierSet GetQualifierSet_f;
internal static Get Get_f;
internal static Put Put_f;
internal static Delete Delete_f;
internal static GetNames GetNames_f;
internal static BeginEnumeration BeginEnumeration_f;
internal static Next Next_f;
internal static EndEnumeration EndEnumeration_f;
internal static GetPropertyQualifierSet GetPropertyQualifierSet_f;
internal static Clone Clone_f;
internal static GetObjectText GetObjectText_f;
internal static SpawnDerivedClass SpawnDerivedClass_f;
internal static SpawnInstance SpawnInstance_f;
internal static CompareTo CompareTo_f;
internal static GetPropertyOrigin GetPropertyOrigin_f;
internal static InheritsFrom InheritsFrom_f;
internal static GetMethod GetMethod_f;
internal static PutMethod PutMethod_f;
internal static DeleteMethod DeleteMethod_f;
internal static BeginMethodEnumeration BeginMethodEnumeration_f;
internal static NextMethod NextMethod_f;
internal static EndMethodEnumeration EndMethodEnumeration_f;
internal static GetMethodQualifierSet GetMethodQualifierSet_f;
internal static GetMethodOrigin GetMethodOrigin_f;
internal static QualifierSet_Get QualifierGet_f;
internal static QualifierSet_Put QualifierPut_f;
internal static QualifierSet_Delete QualifierDelete_f;
internal static QualifierSet_GetNames QualifierGetNames_f;
internal static QualifierSet_BeginEnumeration QualifierBeginEnumeration_f;
internal static QualifierSet_Next QualifierNext_f;
internal static QualifierSet_EndEnumeration QualifierEndEnumeration_f;
internal static GetCurrentApartmentType GetCurrentApartmentType_f;
internal static VerifyClientKey VerifyClientKey_f;
internal static Clone Clone_f12;
internal static GetDemultiplexedStub GetDemultiplexedStub_f;
internal static CreateInstanceEnumWmi CreateInstanceEnumWmi_f;
internal static CreateClassEnumWmi CreateClassEnumWmi_f;
internal static ExecQueryWmi ExecQueryWmi_f;
internal static ExecNotificationQueryWmi ExecNotificationQueryWmi_f;
internal static PutInstanceWmi PutInstanceWmi_f;
internal static PutClassWmi PutClassWmi_f;
internal static CloneEnumWbemClassObject CloneEnumWbemClassObject_f;
internal static ConnectServerWmi ConnectServerWmi_f;
[ResourceExposure(ResourceScope.None), SuppressUnmanagedCodeSecurity, DllImport("kernel32.dll")] internal static extern IntPtr LoadLibrary(string fileName);
[ResourceExposure(ResourceScope.None), SuppressUnmanagedCodeSecurity, DllImport("kernel32.dll")] internal static extern IntPtr GetProcAddress(IntPtr hModule, string procname);
static WmiNetUtilsHelper()
{
myDllPath = System.Runtime.InteropServices.RuntimeEnvironment.GetRuntimeDirectory() + "\\wminet_utils.dll";
IntPtr procAddr = IntPtr.Zero;
IntPtr loadLibrary = IntPtr.Zero;
loadLibrary = LoadLibrary(myDllPath);
if( loadLibrary != IntPtr.Zero)
{
procAddr = GetProcAddress(loadLibrary, "ResetSecurity");
if( procAddr != IntPtr.Zero)
{
ResetSecurity_f =(ResetSecurity) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(ResetSecurity));
}
procAddr = GetProcAddress(loadLibrary, "SetSecurity");
if( procAddr != IntPtr.Zero)
{
SetSecurity_f =(SetSecurity) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(SetSecurity));
}
procAddr = GetProcAddress(loadLibrary, "BlessIWbemServices");
if( procAddr != IntPtr.Zero)
{
BlessIWbemServices_f =(BlessIWbemServices) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(BlessIWbemServices));
}
procAddr = GetProcAddress(loadLibrary, "BlessIWbemServicesObject");
if( procAddr != IntPtr.Zero)
{
BlessIWbemServicesObject_f =(BlessIWbemServicesObject) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(BlessIWbemServicesObject));
}
procAddr = GetProcAddress(loadLibrary, "GetPropertyHandle");
if( procAddr != IntPtr.Zero)
{
GetPropertyHandle_f27=(GetPropertyHandle) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(GetPropertyHandle));
}
procAddr = GetProcAddress(loadLibrary, "WritePropertyValue");
if( procAddr != IntPtr.Zero)
{
WritePropertyValue_f28=(WritePropertyValue) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(WritePropertyValue));
}
procAddr = GetProcAddress(loadLibrary, "Clone");
if( procAddr != IntPtr.Zero)
{
Clone_f12=(Clone) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(Clone));
}
procAddr = GetProcAddress(loadLibrary, "VerifyClientKey");
if( procAddr != IntPtr.Zero)
{
VerifyClientKey_f =(VerifyClientKey) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(VerifyClientKey));
}
procAddr = GetProcAddress(loadLibrary, "GetQualifierSet");
if( procAddr != IntPtr.Zero)
{
GetQualifierSet_f =(GetQualifierSet) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(GetQualifierSet));
}
procAddr = GetProcAddress(loadLibrary, "Get");
if( procAddr != IntPtr.Zero)
{
Get_f =(Get) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(Get));
}
procAddr = GetProcAddress(loadLibrary, "Put");
if( procAddr != IntPtr.Zero)
{
Put_f =(Put) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(Put));
}
procAddr = GetProcAddress(loadLibrary, "Delete");
if( procAddr != IntPtr.Zero)
{
Delete_f =(Delete) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(Delete));
}
procAddr = GetProcAddress(loadLibrary, "GetNames");
if( procAddr != IntPtr.Zero)
{
GetNames_f =(GetNames) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(GetNames));
}
procAddr = GetProcAddress(loadLibrary, "BeginEnumeration");
if( procAddr != IntPtr.Zero)
{
BeginEnumeration_f =(BeginEnumeration) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(BeginEnumeration));
}
procAddr = GetProcAddress(loadLibrary, "Next");
if( procAddr != IntPtr.Zero)
{
Next_f =(Next) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(Next));
}
procAddr = GetProcAddress(loadLibrary, "EndEnumeration");
if( procAddr != IntPtr.Zero)
{
EndEnumeration_f =(EndEnumeration) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(EndEnumeration));
}
procAddr = GetProcAddress(loadLibrary, "GetPropertyQualifierSet");
if( procAddr != IntPtr.Zero)
{
GetPropertyQualifierSet_f =(GetPropertyQualifierSet) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(GetPropertyQualifierSet));
}
procAddr = GetProcAddress(loadLibrary, "Clone");
if( procAddr != IntPtr.Zero)
{
Clone_f =(Clone) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(Clone));
}
procAddr = GetProcAddress(loadLibrary, "GetObjectText");
if( procAddr != IntPtr.Zero)
{
GetObjectText_f =(GetObjectText) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(GetObjectText));
}
procAddr = GetProcAddress(loadLibrary, "SpawnDerivedClass");
if( procAddr != IntPtr.Zero)
{
SpawnDerivedClass_f =(SpawnDerivedClass) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(SpawnDerivedClass));
}
procAddr = GetProcAddress(loadLibrary, "SpawnInstance");
if( procAddr != IntPtr.Zero)
{
SpawnInstance_f =(SpawnInstance) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(SpawnInstance));
}
procAddr = GetProcAddress(loadLibrary, "CompareTo");
if( procAddr != IntPtr.Zero)
{
CompareTo_f =(CompareTo) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(CompareTo));
}
procAddr = GetProcAddress(loadLibrary, "GetPropertyOrigin");
if( procAddr != IntPtr.Zero)
{
GetPropertyOrigin_f =(GetPropertyOrigin) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(GetPropertyOrigin));
}
procAddr = GetProcAddress(loadLibrary, "InheritsFrom");
if( procAddr != IntPtr.Zero)
{
InheritsFrom_f =(InheritsFrom) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(InheritsFrom));
}
procAddr = GetProcAddress(loadLibrary, "GetMethod");
if( procAddr != IntPtr.Zero)
{
GetMethod_f =(GetMethod) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(GetMethod));
}
procAddr = GetProcAddress(loadLibrary, "PutMethod");
if( procAddr != IntPtr.Zero)
{
PutMethod_f =(PutMethod) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(PutMethod));
}
procAddr = GetProcAddress(loadLibrary, "DeleteMethod");
if( procAddr != IntPtr.Zero)
{
DeleteMethod_f =(DeleteMethod) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(DeleteMethod));
}
procAddr = GetProcAddress(loadLibrary, "BeginMethodEnumeration");
if( procAddr != IntPtr.Zero)
{
BeginMethodEnumeration_f =(BeginMethodEnumeration) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(BeginMethodEnumeration));
}
procAddr = GetProcAddress(loadLibrary, "NextMethod");
if( procAddr != IntPtr.Zero)
{
NextMethod_f =(NextMethod) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(NextMethod));
}
procAddr = GetProcAddress(loadLibrary, "EndMethodEnumeration");
if( procAddr != IntPtr.Zero)
{
EndMethodEnumeration_f =(EndMethodEnumeration) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(EndMethodEnumeration));
}
procAddr = GetProcAddress(loadLibrary, "GetMethodQualifierSet");
if( procAddr != IntPtr.Zero)
{
GetMethodQualifierSet_f =(GetMethodQualifierSet) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(GetMethodQualifierSet));
}
procAddr = GetProcAddress(loadLibrary, "GetMethodOrigin");
if( procAddr != IntPtr.Zero)
{
GetMethodOrigin_f =(GetMethodOrigin) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(GetMethodOrigin));
}
procAddr = GetProcAddress(loadLibrary, "QualifierSet_Get");
if( procAddr != IntPtr.Zero)
{
QualifierGet_f=(QualifierSet_Get) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(QualifierSet_Get));
}
procAddr = GetProcAddress(loadLibrary, "QualifierSet_Put");
if( procAddr != IntPtr.Zero)
{
QualifierPut_f=(QualifierSet_Put) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(QualifierSet_Put));
}
procAddr = GetProcAddress(loadLibrary, "QualifierSet_Delete");
if( procAddr != IntPtr.Zero)
{
QualifierDelete_f=(QualifierSet_Delete) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(QualifierSet_Delete));
}
procAddr = GetProcAddress(loadLibrary, "QualifierSet_GetNames");
if( procAddr != IntPtr.Zero)
{
QualifierGetNames_f=(QualifierSet_GetNames) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(QualifierSet_GetNames));
}
procAddr = GetProcAddress(loadLibrary, "QualifierSet_BeginEnumeration");
if( procAddr != IntPtr.Zero)
{
QualifierBeginEnumeration_f=(QualifierSet_BeginEnumeration) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(QualifierSet_BeginEnumeration));
}
procAddr = GetProcAddress(loadLibrary, "QualifierSet_Next");
if( procAddr != IntPtr.Zero)
{
QualifierNext_f=(QualifierSet_Next) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(QualifierSet_Next));
}
procAddr = GetProcAddress(loadLibrary, "QualifierSet_EndEnumeration");
if( procAddr != IntPtr.Zero)
{
QualifierEndEnumeration_f=(QualifierSet_EndEnumeration) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(QualifierSet_EndEnumeration));
}
procAddr = GetProcAddress(loadLibrary, "GetCurrentApartmentType");
if( procAddr != IntPtr.Zero)
{
GetCurrentApartmentType_f =(GetCurrentApartmentType) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(GetCurrentApartmentType));
}
procAddr = GetProcAddress(loadLibrary, "GetDemultiplexedStub");
if( procAddr != IntPtr.Zero)
{
GetDemultiplexedStub_f =(GetDemultiplexedStub) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(GetDemultiplexedStub));
}
procAddr = GetProcAddress(loadLibrary, "CreateInstanceEnumWmi");
if( procAddr != IntPtr.Zero)
{
CreateInstanceEnumWmi_f =(CreateInstanceEnumWmi) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(CreateInstanceEnumWmi));
}
procAddr = GetProcAddress(loadLibrary, "CreateClassEnumWmi");
if( procAddr != IntPtr.Zero)
{
CreateClassEnumWmi_f =(CreateClassEnumWmi) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(CreateClassEnumWmi));
}
procAddr = GetProcAddress(loadLibrary, "ExecQueryWmi");
if( procAddr != IntPtr.Zero)
{
ExecQueryWmi_f =(ExecQueryWmi) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(ExecQueryWmi));
}
procAddr = GetProcAddress(loadLibrary, "ExecNotificationQueryWmi");
if( procAddr != IntPtr.Zero)
{
ExecNotificationQueryWmi_f =(ExecNotificationQueryWmi) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(ExecNotificationQueryWmi));
}
procAddr = GetProcAddress(loadLibrary, "PutInstanceWmi");
if( procAddr != IntPtr.Zero)
{
PutInstanceWmi_f =(PutInstanceWmi) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(PutInstanceWmi));
}
procAddr = GetProcAddress(loadLibrary, "PutClassWmi");
if( procAddr != IntPtr.Zero)
{
PutClassWmi_f =(PutClassWmi) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(PutClassWmi));
}
procAddr = GetProcAddress(loadLibrary, "CloneEnumWbemClassObject");
if( procAddr != IntPtr.Zero)
{
CloneEnumWbemClassObject_f =(CloneEnumWbemClassObject) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(CloneEnumWbemClassObject));
}
procAddr = GetProcAddress(loadLibrary, "ConnectServerWmi");
if( procAddr != IntPtr.Zero)
{
ConnectServerWmi_f =(ConnectServerWmi) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(ConnectServerWmi));
}
}
}
}
///
/// Represents a scope for management operations. In v1.0 the scope defines the WMI namespace in which management operations are performed.
///
///
/// using System;
/// using System.Management;
///
/// // This sample demonstrates how to connect to root/default namespace
/// // using ManagmentScope object.
/// class Sample_ManagementScope
/// {
/// public static int Main(string[] args)
/// {
/// ManagementScope scope = new ManagementScope("root\\default");
/// scope.Connect();
/// ManagementClass newClass = new ManagementClass(
/// scope,
/// new ManagementPath(),
/// null);
/// return 0;
/// }
/// }
///
/// Imports System
/// Imports System.Management
///
/// ' This sample demonstrates how to connect to root/default namespace
/// ' using ManagmentScope object.
/// Class Sample_ManagementScope
/// Overloads Public Shared Function Main(args() As String) As Integer
/// Dim scope As New ManagementScope("root\default")
/// scope.Connect()
/// Dim newClass As New ManagementClass(scope, _
/// New ManagementPath(), _
/// Nothing)
/// Return 0
/// End Function
/// End Class
///
///
[TypeConverter(typeof(ManagementScopeConverter))]
public class ManagementScope : ICloneable
{
private ManagementPath validatedPath;
private IWbemServices wbemServices;
private ConnectionOptions options;
internal event IdentifierChangedEventHandler IdentifierChanged;
internal bool IsDefaulted; //used to tell whether the current scope has been created from the default
//scope or not - this information is used to tell whether it can be overridden
//when a new path is set or not.
[ResourceExposure( ResourceScope.None),DllImport("rpcrt4.dll")]
static extern int RpcMgmtEnableIdleCleanup ( );
//Fires IdentifierChanged event
private void FireIdentifierChanged()
{
if (IdentifierChanged != null)
IdentifierChanged(this,null);
}
//Called when IdentifierChanged() event fires
private void HandleIdentifierChange(object sender,
IdentifierChangedEventArgs args)
{
// Since our object has changed we had better signal to ourself that
// an connection needs to be established
wbemServices = null;
//Something inside ManagementScope changed, we need to fire an event
//to the parent object
FireIdentifierChanged();
}
// Private path property accessor which performs minimal validation on the
// namespace path. IWbemPath cannot differentiate between a class or a name-
// space if path separators are not present in the path. Therefore, IWbemPath
// will allow a namespace of "rootBeer" vs "root". Since it is established
// that the scope path is indeed a namespace path, we perform this validation.
private ManagementPath prvpath
{
get
{
return validatedPath;
}
set
{
if (value != null)
{
string pathValue = value.Path;
if (!ManagementPath.IsValidNamespaceSyntax(pathValue))
ManagementException.ThrowWithExtendedInfo((ManagementStatus)tag_WBEMSTATUS.WBEM_E_INVALID_NAMESPACE);
}
validatedPath = value;
}
}
internal IWbemServices GetIWbemServices ()
{
IWbemServices localCopy = wbemServices;
//IWbemServices is always created in MTA context. Only if call is made through non MTA context we need to use IWbemServices in right context.
// Lets start by assuming that we'll return the RCW that we already have
// Get an IUnknown for this apartment
IntPtr pUnk = Marshal.GetIUnknownForObject(wbemServices);
// Get an 'IUnknown RCW' for this apartment
Object unknown = Marshal.GetObjectForIUnknown(pUnk);
// Release the ref count on the IUnknwon
Marshal.Release(pUnk);
// See if we are in the same apartment as where the original IWbemServices lived
// If we are in a different apartment, give the caller an RCW generated just for their
// apartment, and set the proxy blanket appropriately
if(!object.ReferenceEquals(unknown, wbemServices))
{
// We need to set the proxy blanket on 'unknown' or else the QI for IWbemServices may
// fail if we are running under a local user account. The QI has to be done by
// someone who is a member of the 'Everyone' group on the target machine, or DCOM
// won't let the call through.
SecurityHandler securityHandler = GetSecurityHandler ();
securityHandler.SecureIUnknown(unknown);
// Now, we can QI and secure the IWbemServices
localCopy = (IWbemServices)unknown;
// We still need to bless the IWbemServices in this apartment
securityHandler.Secure(localCopy);
}
return localCopy; // STRANGE: Why does it still work if I return 'wbemServices'?
}
///
/// Gets or sets a value indicating whether the
///
///
///
///
/// A scope is disconnected after creation until someone
/// explicitly calls
///
public bool IsConnected
{
get
{
return (null != wbemServices);
}
}
//Internal constructor
internal ManagementScope (ManagementPath path, IWbemServices wbemServices,
ConnectionOptions options)
{
if (null != path)
this.Path = path;
if (null != options)
this.Options = options;
// We set this.wbemServices after setting Path and Options
// because the latter operations can cause wbemServices to be NULLed.
this.wbemServices = wbemServices;
}
internal ManagementScope (ManagementPath path, ManagementScope scope)
: this (path, (null != scope) ? scope.options : null) {}
internal static ManagementScope _Clone(ManagementScope scope)
{
return ManagementScope._Clone(scope, null);
}
internal static ManagementScope _Clone(ManagementScope scope, IdentifierChangedEventHandler handler)
{
ManagementScope scopeTmp = new ManagementScope(null, null, null);
// Wire up change handler chain. Use supplied handler, if specified;
// otherwise, default to that of the scope argument.
if (handler != null)
scopeTmp.IdentifierChanged = handler;
else if (scope != null)
scopeTmp.IdentifierChanged = new IdentifierChangedEventHandler(scope.HandleIdentifierChange);
// Set scope path.
if (scope == null)
{
// No path specified. Default.
scopeTmp.prvpath = ManagementPath._Clone(ManagementPath.DefaultPath, new IdentifierChangedEventHandler(scopeTmp.HandleIdentifierChange));
scopeTmp.IsDefaulted = true;
scopeTmp.wbemServices = null;
scopeTmp.options = null;
// scopeTmp.securityHelper = null; //
}
else
{
if (scope.prvpath == null)
{
// No path specified. Default.
scopeTmp.prvpath = ManagementPath._Clone(ManagementPath.DefaultPath, new IdentifierChangedEventHandler(scopeTmp.HandleIdentifierChange));
scopeTmp.IsDefaulted = true;
}
else
{
// Use scope-supplied path.
scopeTmp.prvpath = ManagementPath._Clone(scope.prvpath, new IdentifierChangedEventHandler(scopeTmp.HandleIdentifierChange));
scopeTmp.IsDefaulted = scope.IsDefaulted;
}
scopeTmp.wbemServices = scope.wbemServices;
if (scope.options != null)
scopeTmp.options = ConnectionOptions._Clone(scope.options, new IdentifierChangedEventHandler(scopeTmp.HandleIdentifierChange));
// scopeTmp.securityHelper = scope.securityHelper; //
}
return scopeTmp;
}
//Default constructor
///
/// Initializes a new instance
/// of the
///
/// Initializes a new instance of the
///
///
/// If the object doesn't have any
/// properties set before connection, it will be initialized with default values
/// (for example, the local machine and the root\cimv2 namespace).
///
///
/// ManagementScope s = new ManagementScope();
///
/// Dim s As New ManagementScope()
///
///
public ManagementScope () :
this (new ManagementPath (ManagementPath.DefaultPath.Path))
{
//Flag that this scope uses the default path
IsDefaulted = true;
}
//Parameterized constructors
///
/// Initializes a new instance of the
///
/// A
/// ManagementScope s = new ManagementScope(new ManagementPath("\\\\MyServer\\root\\default"));
///
/// Dim p As New ManagementPath("\\MyServer\root\default")
/// Dim s As New ManagementScope(p)
///
///
public ManagementScope (ManagementPath path) : this(path, (ConnectionOptions)null) {}
///
/// Initializes a new instance of the
///
/// The server and namespace path for the
/// ManagementScope s = new ManagementScope("\\\\MyServer\\root\\default");
///
/// Dim s As New ManagementScope("\\MyServer\root\default")
///
///
public ManagementScope (string path) : this(new ManagementPath(path), (ConnectionOptions)null) {}
///
/// Initializes a new instance of the
///
/// The server and namespace for the
/// ConnectionOptions opt = new ConnectionOptions();
/// opt.Username = "Me";
/// opt.Password = "MyPassword";
/// ManagementScope s = new ManagementScope("\\\\MyServer\\root\\default", opt);
///
/// Dim opt As New ConnectionOptions()
/// opt.Username = "Me"
/// opt.Password = "MyPassword"
/// Dim s As New ManagementScope("\\MyServer\root\default", opt);
///
///
public ManagementScope (string path, ConnectionOptions options) : this (new ManagementPath(path), options) {}
///
/// Initializes a new instance of the
///
/// A
/// ConnectionOptions opt = new ConnectionOptions();
/// opt.Username = "Me";
/// opt.Password = "MyPassword";
///
/// ManagementPath p = new ManagementPath("\\\\MyServer\\root\\default");
/// ManagementScope = new ManagementScope(p, opt);
///
/// Dim opt As New ConnectionOptions()
/// opt.UserName = "Me"
/// opt.Password = "MyPassword"
///
/// Dim p As New ManagementPath("\\MyServer\root\default")
/// Dim s As New ManagementScope(p, opt)
///
///
public ManagementScope (ManagementPath path, ConnectionOptions options)
{
if (null != path)
this.prvpath = ManagementPath._Clone(path, new IdentifierChangedEventHandler(HandleIdentifierChange));
else
this.prvpath = ManagementPath._Clone(null);
if (null != options)
this.options = ConnectionOptions._Clone(options, new IdentifierChangedEventHandler(HandleIdentifierChange));
else
this.options = null;
IsDefaulted = false; //assume that this scope is not initialized by the default path
}
///
/// Gets or sets options for making the WMI connection.
///
///
/// The valid
///
///
/// //This constructor creates a scope object with default options
/// ManagementScope s = new ManagementScope("root\\MyApp");
///
/// //Change default connection options -
/// //In this example, set the system privileges to enabled for operations that require system privileges.
/// s.Options.EnablePrivileges = true;
///
/// 'This constructor creates a scope object with default options
/// Dim s As New ManagementScope("root\\MyApp")
///
/// 'Change default connection options -
/// 'In this example, set the system privileges to enabled for operations that require system privileges.
/// s.Options.EnablePrivileges = True
///
///
public ConnectionOptions Options
{
get
{
if (options == null)
return options = ConnectionOptions._Clone(null);
else
return options;
}
set
{
if (null != value)
{
if (null != options)
options.IdentifierChanged -= new IdentifierChangedEventHandler(HandleIdentifierChange);
options = ConnectionOptions._Clone((ConnectionOptions)value, new IdentifierChangedEventHandler(HandleIdentifierChange));
//the options property has changed so act like we fired the event
HandleIdentifierChange(this,null);
}
else
throw new ArgumentNullException ("value");
}
}
///
/// Gets or sets the path for the
///
///
/// A
///
///
/// ManagementScope s = new ManagementScope();
/// s.Path = new ManagementPath("root\\MyApp");
///
/// Dim s As New ManagementScope()
/// s.Path = New ManagementPath("root\MyApp")
///
///
public ManagementPath Path
{
get
{
if (prvpath == null)
return prvpath = ManagementPath._Clone(null);
else
return prvpath;
}
set
{
if (null != value)
{
if (null != prvpath)
prvpath.IdentifierChanged -= new IdentifierChangedEventHandler(HandleIdentifierChange);
IsDefaulted = false; //someone is specifically setting the scope path so it's not defaulted any more
prvpath = ManagementPath._Clone((ManagementPath)value, new IdentifierChangedEventHandler(HandleIdentifierChange));
//the path property has changed so act like we fired the event
HandleIdentifierChange(this,null);
}
else
throw new ArgumentNullException ("value");
}
}
///
/// Returns a copy of the object.
///
///
/// A new copy of the
///
public ManagementScope Clone()
{
return ManagementScope._Clone(this);
}
///
/// Clone a copy of this object.
///
///
/// A new copy of this object.
/// object.
///
Object ICloneable.Clone()
{
return Clone();
}
///
/// Connects this
///
///
/// This method is called implicitly when the
/// scope is used in an operation that requires it to be connected. Calling it
/// explicitly allows the user to control the time of connection.
///
///
/// ManagementScope s = new ManagementScope("root\\MyApp");
///
/// //Explicit call to connect the scope object to the WMI namespace
/// s.Connect();
///
/// //The following doesn't do any implicit scope connections because s is already connected.
/// ManagementObject o = new ManagementObject(s, "Win32_LogicalDisk='C:'", null);
///
/// Dim s As New ManagementScope("root\\MyApp")
///
/// 'Explicit call to connect the scope object to the WMI namespace
/// s.Connect()
///
/// 'The following doesn't do any implicit scope connections because s is already connected.
/// Dim o As New ManagementObject(s, "Win32_LogicalDisk=""C:""", null)
///
///
public void Connect ()
{
Initialize ();
}
internal void Initialize ()
{
//If the path is not set yet we can't do it
if (null == prvpath)
throw new InvalidOperationException();
/*
* If we're not connected yet, this is the time to do it... We lock
* the state to prevent 2 threads simultaneously doing the same
* connection. To avoid taking the lock unnecessarily we examine
* isConnected first
*/
if (!IsConnected)
{
lock (this)
{
if (!IsConnected)
{
// The locator cannot be marshalled accross apartments, so we must create the locator
// and get the IWbemServices from an MTA thread
if(!MTAHelper.IsNoContextMTA()) // Bug#110141 - Checking for MTA is not enough. We need to make sure we are not in a COM+ Context
{
//
// [marioh, RAID: 111108]
// Ensure we are able to trap exceptions from worker thread.
//
ThreadDispatch disp = new ThreadDispatch ( new ThreadDispatch.ThreadWorkerMethodWithParam ( InitializeGuts ) ) ;
disp.Parameter = this ;
disp.Start ( ) ;
// statusFromMTA = 0;
// Thread thread = new Thread(new ThreadStart(InitializeGuts));
// thread.ApartmentState = ApartmentState.MTA;
// thread.Start();
// thread.Join();
// if ((statusFromMTA & 0xfffff000) == 0x80041000)
// ManagementException.ThrowWithExtendedInfo((ManagementStatus)statusFromMTA);
// else if ((statusFromMTA & 0x80000000) != 0)
// Marshal.ThrowExceptionForHR(statusFromMTA);
}
else
InitializeGuts(this);
}
}
}
}
//int statusFromMTA;
void InitializeGuts(object o)
{
ManagementScope threadParam = (ManagementScope) o ;
IWbemLocator loc = (IWbemLocator) new WbemLocator();
IntPtr punk = IntPtr.Zero;
if (null == options)
threadParam.Options = new ConnectionOptions ();
string nsPath = threadParam.prvpath.GetNamespacePath((int)tag_WBEM_GET_TEXT_FLAGS.WBEMPATH_GET_SERVER_AND_NAMESPACE_ONLY);
// If no namespace specified, fill in the default one
if ((null == nsPath) || (0 == nsPath.Length))
{
// NB: we use a special method to set the namespace
// path here as we do NOT want to trigger an
// IdentifierChanged event as a result of this set
bool bUnused;
nsPath = threadParam.prvpath.SetNamespacePath(ManagementPath.DefaultPath.Path, out bUnused);
}
int status = (int)ManagementStatus.NoError;
threadParam.wbemServices = null;
//If we're on XP or higher, always use the "max_wait" flag to avoid hanging
if (Environment.OSVersion.Platform == PlatformID.Win32NT)
{
if( ((Environment.OSVersion.Version.Major == 5) && (Environment.OSVersion.Version.Minor >= 1)) || (Environment.OSVersion.Version.Major >= 6) )
{
threadParam.options.Flags |= (int)tag_WBEM_CONNECT_OPTIONS.WBEM_FLAG_CONNECT_USE_MAX_WAIT;
}
}
try
{
IntPtr password = threadParam.options.GetPassword();
status = GetSecuredConnectHandler().ConnectNSecureIWbemServices(nsPath, ref threadParam.wbemServices);
}
catch (COMException e)
{
//
ManagementException.ThrowWithExtendedInfo (e);
}
//statusFromMTA = status;
if ((status & 0xfffff000) == 0x80041000)
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)status);
}
else if ((status & 0x80000000) != 0)
{
Marshal.ThrowExceptionForHR(status);
}
}
internal SecurityHandler GetSecurityHandler ()
{
return new SecurityHandler(this);
}
internal SecuredConnectHandler GetSecuredConnectHandler ()
{
return new SecuredConnectHandler(this);
}
internal SecuredIEnumWbemClassObjectHandler GetSecuredIEnumWbemClassObjectHandler (IEnumWbemClassObject pEnumWbemClassObject)
{
return new SecuredIEnumWbemClassObjectHandler (this, pEnumWbemClassObject);
}
internal SecuredIWbemServicesHandler GetSecuredIWbemServicesHandler( IWbemServices pWbemServiecs)
{
return new SecuredIWbemServicesHandler(this, pWbemServiecs);
}
}//ManagementScope
internal class SecuredIEnumWbemClassObjectHandler
{
private IEnumWbemClassObject pEnumWbemClassObjectsecurityHelper;
private ManagementScope scope;
internal SecuredIEnumWbemClassObjectHandler (ManagementScope theScope, IEnumWbemClassObject pEnumWbemClassObject)
{
this.scope = theScope;
pEnumWbemClassObjectsecurityHelper = pEnumWbemClassObject;
}
internal int Reset_()
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
status = pEnumWbemClassObjectsecurityHelper.Reset_();
return status;
}
internal int Next_( int lTimeout, uint uCount, IWbemClassObject_DoNotMarshal[] ppOutParams, ref uint puReturned)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
status = pEnumWbemClassObjectsecurityHelper.Next_( lTimeout, uCount, ppOutParams, out puReturned);
return status;
}
internal int NextAsync_( uint uCount, IWbemObjectSink pSink)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
status = pEnumWbemClassObjectsecurityHelper.NextAsync_(uCount, pSink);
return status;
}
internal int Clone_(ref IEnumWbemClassObject ppEnum)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
if( null != scope)
{
status = WmiNetUtilsHelper.CloneEnumWbemClassObject_f(
out ppEnum,
(int)scope.Options.Authentication,
(int)scope.Options.Impersonation,
pEnumWbemClassObjectsecurityHelper,
scope.Options.Username,
scope.Options.GetPassword(),
scope.Options.Authority);
}
return status;
}
internal int Skip_( int lTimeout, uint nCount)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
status = pEnumWbemClassObjectsecurityHelper.Skip_(lTimeout, nCount);
return status;
}
}
internal class SecuredConnectHandler
{
private ManagementScope scope;
internal SecuredConnectHandler (ManagementScope theScope)
{
this.scope = theScope;
}
internal int ConnectNSecureIWbemServices(string path, ref IWbemServices pServices)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
if( null != scope )
{
status = WmiNetUtilsHelper.ConnectServerWmi_f(
path,
scope.Options.Username,
scope.Options.GetPassword(),
scope.Options.Locale,
scope.Options.Flags,
scope.Options.Authority,
scope.Options.GetContext(),
out pServices,
(int)scope.Options.Impersonation,
(int)scope.Options.Authentication);
}
return status;
}
}
internal class SecuredIWbemServicesHandler
{
private IWbemServices pWbemServiecsSecurityHelper;
private ManagementScope scope;
internal SecuredIWbemServicesHandler (ManagementScope theScope, IWbemServices pWbemServiecs)
{
this.scope = theScope;
pWbemServiecsSecurityHelper = pWbemServiecs;
}
internal int OpenNamespace_(string strNamespace, Int32 lFlags, ref IWbemServices ppWorkingNamespace, IntPtr ppCallResult)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_NOT_SUPPORTED;
//This should go through WMINET_utils layer and ppWorkingNamespace should be secured. See implementation of CreateInstanceEnum method.
return status;
}
internal int CancelAsyncCall_( IWbemObjectSink pSink)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
status = pWbemServiecsSecurityHelper.CancelAsyncCall_(pSink);
return status;
}
internal int QueryObjectSink_( Int32 lFlags, ref IWbemObjectSink ppResponseHandler)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
status = pWbemServiecsSecurityHelper.QueryObjectSink_(lFlags, out ppResponseHandler);
return status;
}
internal int GetObject_(string strObjectPath, Int32 lFlags, IWbemContext pCtx, ref IWbemClassObjectFreeThreaded ppObject, IntPtr ppCallResult)
{
//It is assumed that caller always passes ppCallResult as IntPtr.Zero.
//If it changes let this call go through wminet_utils.dll. Check implementation of CreateInstanceEnum_ for more information.
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
if( !Object.ReferenceEquals(ppCallResult, IntPtr.Zero) )
status = pWbemServiecsSecurityHelper.GetObject_(strObjectPath, lFlags, pCtx, out ppObject, ppCallResult);
return status;
}
internal int GetObjectAsync_(string strObjectPath, Int32 lFlags, IWbemContext pCtx, IWbemObjectSink pResponseHandler)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
status = pWbemServiecsSecurityHelper.GetObjectAsync_(strObjectPath, lFlags, pCtx, pResponseHandler);
return status;
}
internal int PutClass_(IWbemClassObjectFreeThreaded pObject, Int32 lFlags, IWbemContext pCtx, IntPtr ppCallResult)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
if( null != scope)
{
status = WmiNetUtilsHelper.PutClassWmi_f(pObject,
lFlags,
pCtx,
ppCallResult,
(int)scope.Options.Authentication,
(int)scope.Options.Impersonation,
pWbemServiecsSecurityHelper,
scope.Options.Username,
scope.Options.GetPassword(),
scope.Options.Authority);
}
return status;
}
internal int PutClassAsync_(IWbemClassObjectFreeThreaded pObject, Int32 lFlags, IWbemContext pCtx, IWbemObjectSink pResponseHandler)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
status = pWbemServiecsSecurityHelper.PutClassAsync_(pObject, lFlags,pCtx, pResponseHandler);
return status;
}
internal int DeleteClass_( string strClass, Int32 lFlags, IWbemContext pCtx, IntPtr ppCallResult)
{
//It is assumed that caller always passes ppCallResult as IntPtr.Zero.
//If it changes let this call go through wminet_utils.dll. Check implementation of CreateInstanceEnum_ for more information.
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
if( !Object.ReferenceEquals(ppCallResult, IntPtr.Zero) )
status = pWbemServiecsSecurityHelper.DeleteClass_(strClass, lFlags, pCtx, ppCallResult);
return status;
}
internal int DeleteClassAsync_(string strClass, Int32 lFlags, IWbemContext pCtx, IWbemObjectSink pResponseHandler)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
status = pWbemServiecsSecurityHelper.DeleteClassAsync_(strClass, lFlags, pCtx,pResponseHandler);
return status;
}
internal int CreateClassEnum_(string strSuperClass, Int32 lFlags, IWbemContext pCtx, ref IEnumWbemClassObject ppEnum)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
if( null != scope )
{
status = WmiNetUtilsHelper.CreateClassEnumWmi_f(strSuperClass,
lFlags,
pCtx,
out ppEnum,
(int)scope.Options.Authentication,
(int)scope.Options.Impersonation,
pWbemServiecsSecurityHelper,
scope.Options.Username,
scope.Options.GetPassword(),
scope.Options.Authority);
}
return status;
}
internal int CreateClassEnumAsync_(string strSuperClass, Int32 lFlags, IWbemContext pCtx, IWbemObjectSink pResponseHandler)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
status = pWbemServiecsSecurityHelper.CreateClassEnumAsync_(strSuperClass, lFlags, pCtx, pResponseHandler);
return status;
}
internal int PutInstance_( IWbemClassObjectFreeThreaded pInst, Int32 lFlags, IWbemContext pCtx, IntPtr ppCallResult)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
if( null != scope)
{
status = WmiNetUtilsHelper.PutInstanceWmi_f(pInst,
lFlags,
pCtx,
ppCallResult,
(int)scope.Options.Authentication,
(int)scope.Options.Impersonation,
pWbemServiecsSecurityHelper,
scope.Options.Username,
scope.Options.GetPassword(),
scope.Options.Authority);
}
return status;
}
internal int PutInstanceAsync_(IWbemClassObjectFreeThreaded pInst, Int32 lFlags, IWbemContext pCtx, IWbemObjectSink pResponseHandler)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
status = pWbemServiecsSecurityHelper.PutInstanceAsync_(pInst, lFlags, pCtx, pResponseHandler);
return status;
}
internal int DeleteInstance_(string strObjectPath, Int32 lFlags, IWbemContext pCtx, IntPtr ppCallResult)
{
//It is assumed that caller always passes ppCallResult as IntPtr.Zero.
//If it changes let this call go through wminet_utils.dll. Check implementation of CreateInstanceEnum_ for more information.
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
if( !Object.ReferenceEquals(ppCallResult, IntPtr.Zero) )
status = pWbemServiecsSecurityHelper.DeleteInstance_(strObjectPath, lFlags, pCtx, ppCallResult);
return status;
}
internal int DeleteInstanceAsync_(string strObjectPath, Int32 lFlags, IWbemContext pCtx, IWbemObjectSink pResponseHandler)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
status = pWbemServiecsSecurityHelper.DeleteInstanceAsync_(strObjectPath, lFlags, pCtx, pResponseHandler);
return status;
}
internal int CreateInstanceEnum_(string strFilter, Int32 lFlags, IWbemContext pCtx, ref IEnumWbemClassObject ppEnum)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
if( null != scope)
{
status = WmiNetUtilsHelper.CreateInstanceEnumWmi_f(strFilter,
lFlags,
pCtx,
out ppEnum,
(int)scope.Options.Authentication,
(int)scope.Options.Impersonation,
pWbemServiecsSecurityHelper,
scope.Options.Username,
scope.Options.GetPassword(),
scope.Options.Authority);
}
return status;
}
internal int CreateInstanceEnumAsync_(string strFilter, Int32 lFlags, IWbemContext pCtx, IWbemObjectSink pResponseHandler)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
status = pWbemServiecsSecurityHelper.CreateInstanceEnumAsync_(strFilter, lFlags, pCtx, pResponseHandler);
return status;
}
internal int ExecQuery_(string strQueryLanguage, string strQuery, Int32 lFlags, IWbemContext pCtx, ref IEnumWbemClassObject ppEnum)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
if( null != scope)
{
status = WmiNetUtilsHelper.ExecQueryWmi_f(strQueryLanguage,
strQuery,
lFlags,
pCtx,
out ppEnum,
(int)scope.Options.Authentication,
(int)scope.Options.Impersonation,
pWbemServiecsSecurityHelper,
scope.Options.Username,
scope.Options.GetPassword(),
scope.Options.Authority);
}
return status;
}
internal int ExecQueryAsync_(string strQueryLanguage, string strQuery, Int32 lFlags, IWbemContext pCtx, IWbemObjectSink pResponseHandler)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
status = pWbemServiecsSecurityHelper.ExecQueryAsync_(strQueryLanguage, strQuery, lFlags, pCtx, pResponseHandler);
return status;
}
internal int ExecNotificationQuery_(string strQueryLanguage, string strQuery, Int32 lFlags, IWbemContext pCtx, ref IEnumWbemClassObject ppEnum)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
if( null != scope)
{
status = WmiNetUtilsHelper.ExecNotificationQueryWmi_f(strQueryLanguage,
strQuery,
lFlags,
pCtx,
out ppEnum,
(int)scope.Options.Authentication,
(int)scope.Options.Impersonation,
pWbemServiecsSecurityHelper,
scope.Options.Username,
scope.Options.GetPassword(),
scope.Options.Authority);
}
return status;
}
internal int ExecNotificationQueryAsync_(string strQueryLanguage, string strQuery, Int32 lFlags, IWbemContext pCtx, IWbemObjectSink pResponseHandler)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
status = pWbemServiecsSecurityHelper.ExecNotificationQueryAsync_(strQueryLanguage, strQuery, lFlags, pCtx, pResponseHandler);
return status;
}
internal int ExecMethod_( string strObjectPath, string strMethodName, Int32 lFlags, IWbemContext pCtx, IWbemClassObjectFreeThreaded pInParams, ref IWbemClassObjectFreeThreaded ppOutParams, IntPtr ppCallResult)
{
//It is assumed that caller always passes ppCallResult as IntPtr.Zero.
//If it changes let this call go through wminet_utils.dll. Check implementation of CreateInstanceEnum_ for more information.
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
if( !Object.ReferenceEquals(ppCallResult, IntPtr.Zero) )
status = pWbemServiecsSecurityHelper.ExecMethod_(strObjectPath, strMethodName, lFlags, pCtx, pInParams, out ppOutParams, ppCallResult);
return status;
}
internal int ExecMethodAsync_(string strObjectPath, string strMethodName, Int32 lFlags, IWbemContext pCtx, IWbemClassObjectFreeThreaded pInParams, IWbemObjectSink pResponseHandler)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
status = pWbemServiecsSecurityHelper.ExecMethodAsync_(strObjectPath, strMethodName, lFlags, pCtx, pInParams, pResponseHandler);
return status;
}
}
internal class SecurityHandler
{
private bool needToReset = false;
private IntPtr handle;
private ManagementScope scope;
internal SecurityHandler (ManagementScope theScope)
{
//Initialize();
this.scope = theScope;
if (null != scope)
{
if (scope.Options.EnablePrivileges)
{
WmiNetUtilsHelper.SetSecurity_f(ref needToReset, ref handle);
}
}
}
internal void Reset ()
{
if (needToReset)
{
needToReset = false;
if (null != scope)
{
WmiNetUtilsHelper.ResetSecurity_f ( handle);
}
}
}
internal void Secure (IWbemServices services)
{
if (null != scope)
{
IntPtr password = scope.Options.GetPassword();
int status = WmiNetUtilsHelper.BlessIWbemServices_f
(
services,
scope.Options.Username,
password,
scope.Options.Authority,
(int)scope.Options.Impersonation,
(int)scope.Options.Authentication
);
System.Runtime.InteropServices.Marshal.ZeroFreeBSTR(password);
if (status < 0)
{
Marshal.ThrowExceptionForHR(status);
}
}
}
internal void SecureIUnknown(object unknown)
{
// We use a hack to call BlessIWbemServices with an IUnknown instead of an IWbemServices
// In VNext, we should really change the implementation of WMINet_Utils.dll so that it has
// a method which explicitly takes an IUnknown. We rely on the fact that the implementation
// of BlessIWbemServices actually casts the first parameter to IUnknown before blessing
if (null != scope)
{
IntPtr password = scope.Options.GetPassword();
int status = WmiNetUtilsHelper.BlessIWbemServicesObject_f
(
unknown,
scope.Options.Username,
password,
scope.Options.Authority,
(int)scope.Options.Impersonation,
(int)scope.Options.Authentication
);
System.Runtime.InteropServices.Marshal.ZeroFreeBSTR(password);
if (status < 0)
{
Marshal.ThrowExceptionForHR(status);
}
}
}
} //SecurityHandler
///
/// Converts a String to a ManagementScope
///
class ManagementScopeConverter : ExpandableObjectConverter
{
///
/// Determines if this converter can convert an object in the given source type to the native type of the converter.
///
/// An ITypeDescriptorContext that provides a format context.
/// A Type that represents the type you wish to convert from.
///
/// true if this converter can perform the conversion; otherwise, false.
///
public override Boolean CanConvertFrom(ITypeDescriptorContext context, Type sourceType)
{
if ((sourceType == typeof(ManagementScope)))
{
return true;
}
return base.CanConvertFrom(context,sourceType);
}
///
/// Gets a value indicating whether this converter can convert an object to the given destination type using the context.
///
/// An ITypeDescriptorContext that provides a format context.
/// A Type that represents the type you wish to convert to.
///
/// true if this converter can perform the conversion; otherwise, false.
///
public override Boolean CanConvertTo(ITypeDescriptorContext context, Type destinationType)
{
if ((destinationType == typeof(InstanceDescriptor)))
{
return true;
}
return base.CanConvertTo(context,destinationType);
}
///
/// Converts the given object to another type. The most common types to convert
/// are to and from a string object. The default implementation will make a call
/// to ToString on the object if the object is valid and if the destination
/// type is string. If this cannot convert to the desitnation type, this will
/// throw a NotSupportedException.
///
/// An ITypeDescriptorContext that provides a format context.
/// A CultureInfo object. If a null reference (Nothing in Visual Basic) is passed, the current culture is assumed.
/// The Object to convert.
/// The Type to convert the value parameter to.
/// An Object that represents the converted value.
public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
{
if (destinationType == null)
{
throw new ArgumentNullException("destinationType");
}
if (value is ManagementScope && destinationType == typeof(InstanceDescriptor))
{
ManagementScope obj = ((ManagementScope)(value));
ConstructorInfo ctor = typeof(ManagementScope).GetConstructor(new Type[] {typeof(System.String)});
if (ctor != null)
{
return new InstanceDescriptor(ctor, new object[] {obj.Path.Path});
}
}
return base.ConvertTo(context,culture,value,destinationType);
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
using System;
using System.ComponentModel;
using System.Runtime.InteropServices;
using System.Threading;
using WbemClient_v1;
using System.Globalization;
using System.Reflection;
using System.ComponentModel.Design.Serialization;
using System.Runtime.Versioning;
using System.Runtime.Serialization;
using System.Security;
namespace System.Management
{
internal static class WmiNetUtilsHelper
{
internal static string myDllPath ;
internal delegate int ResetSecurity(IntPtr hToken);
internal delegate int SetSecurity([In][Out] ref bool pNeedtoReset, [In][Out] ref IntPtr pHandle);
internal delegate int BlessIWbemServices([MarshalAs(UnmanagedType.Interface)] IWbemServices pIUnknown,
[In][MarshalAs(UnmanagedType.BStr)] string strUser,
IntPtr password,
[In][MarshalAs(UnmanagedType.BStr)] string strAuthority,
int impersonationLevel,
int authenticationLevel);
internal delegate int BlessIWbemServicesObject([MarshalAs(UnmanagedType.IUnknown)] object pIUnknown,
[In][MarshalAs(UnmanagedType.BStr)] string strUser,
IntPtr password,
[In][MarshalAs(UnmanagedType.BStr)] string strAuthority,
int impersonationLevel,
int authenticationLevel);
internal delegate int GetPropertyHandle(int vFunc, IntPtr pWbemClassObject, [In][MarshalAs(UnmanagedType.LPWStr)] string wszPropertyName, [Out] out Int32 pType, [Out] out Int32 plHandle);
internal delegate int WritePropertyValue(int vFunc, IntPtr pWbemClassObject, [In] Int32 lHandle, [In] Int32 lNumBytes, [In][MarshalAs(UnmanagedType.LPWStr)] string str);
internal delegate int GetQualifierSet(int vFunc, IntPtr pWbemClassObject, [Out] out IntPtr ppQualSet);
internal delegate int Get(int vFunc, IntPtr pWbemClassObject, [In][MarshalAs(UnmanagedType.LPWStr)] string wszName, [In] Int32 lFlags, [In][Out] ref object pVal, [In][Out] ref Int32 pType, [In][Out] ref Int32 plFlavor);
internal delegate int Put(int vFunc, IntPtr pWbemClassObject, [In][MarshalAs(UnmanagedType.LPWStr)] string wszName, [In] Int32 lFlags, [In] ref object pVal, [In] Int32 Type);
internal delegate int Delete(int vFunc, IntPtr pWbemClassObject, [In][MarshalAs(UnmanagedType.LPWStr)] string wszName);
internal delegate int GetNames(int vFunc, IntPtr pWbemClassObject, [In][MarshalAs(UnmanagedType.LPWStr)] string wszQualifierName, [In] Int32 lFlags, [In] ref object pQualifierVal, [Out][MarshalAs(UnmanagedType.SafeArray, SafeArraySubType=VarEnum.VT_BSTR)] out string[] pNames);
internal delegate int BeginEnumeration(int vFunc, IntPtr pWbemClassObject, [In] Int32 lEnumFlags);
internal delegate int Next(int vFunc, IntPtr pWbemClassObject, [In] Int32 lFlags, [In][Out][MarshalAs(UnmanagedType.BStr)] ref string strName, [In][Out] ref object pVal, [In][Out] ref Int32 pType, [In][Out] ref Int32 plFlavor);
internal delegate int EndEnumeration(int vFunc, IntPtr pWbemClassObject);
internal delegate int GetPropertyQualifierSet(int vFunc, IntPtr pWbemClassObject, [In][MarshalAs(UnmanagedType.LPWStr)] string wszProperty, [Out] out IntPtr ppQualSet);
internal delegate int Clone(int vFunc, IntPtr pWbemClassObject, [Out] out IntPtr ppCopy);
internal delegate int GetObjectText(int vFunc, IntPtr pWbemClassObject, [In] Int32 lFlags, [Out][MarshalAs(UnmanagedType.BStr)] out string pstrObjectText);
internal delegate int SpawnDerivedClass(int vFunc, IntPtr pWbemClassObject, [In] Int32 lFlags, [Out] out IntPtr ppNewClass);
internal delegate int SpawnInstance(int vFunc, IntPtr pWbemClassObject, [In] Int32 lFlags, [Out] out IntPtr ppNewInstance);
internal delegate int CompareTo(int vFunc, IntPtr pWbemClassObject, [In] Int32 lFlags, [In] IntPtr pCompareTo);
internal delegate int GetPropertyOrigin(int vFunc, IntPtr pWbemClassObject, [In][MarshalAs(UnmanagedType.LPWStr)] string wszName, [Out][MarshalAs(UnmanagedType.BStr)] out string pstrClassName);
internal delegate int InheritsFrom(int vFunc, IntPtr pWbemClassObject, [In][MarshalAs(UnmanagedType.LPWStr)] string strAncestor);
internal delegate int GetMethod(int vFunc, IntPtr pWbemClassObject, [In][MarshalAs(UnmanagedType.LPWStr)] string wszName, [In] Int32 lFlags, [Out]out IntPtr ppInSignature, [Out] out IntPtr ppOutSignature);
internal delegate int PutMethod(int vFunc, IntPtr pWbemClassObject, [In][MarshalAs(UnmanagedType.LPWStr)] string wszName, [In] Int32 lFlags, [In] IntPtr pInSignature, [In] IntPtr pOutSignature);
internal delegate int DeleteMethod(int vFunc, IntPtr pWbemClassObject, [In][MarshalAs(UnmanagedType.LPWStr)] string wszName);
internal delegate int BeginMethodEnumeration(int vFunc, IntPtr pWbemClassObject, [In] Int32 lEnumFlags);
internal delegate int NextMethod(int vFunc, IntPtr pWbemClassObject, [In] Int32 lFlags, [Out][MarshalAs(UnmanagedType.BStr)] out string pstrName, [Out] out IntPtr ppInSignature, [Out] out IntPtr ppOutSignature);
internal delegate int EndMethodEnumeration(int vFunc, IntPtr pWbemClassObject);
internal delegate int GetMethodQualifierSet(int vFunc, IntPtr pWbemClassObject, [In][MarshalAs(UnmanagedType.LPWStr)] string wszMethod, [Out] out IntPtr ppQualSet);
internal delegate int GetMethodOrigin(int vFunc, IntPtr pWbemClassObject, [In][MarshalAs(UnmanagedType.LPWStr)] string wszMethodName, [Out][MarshalAs(UnmanagedType.BStr)] out string pstrClassName);
internal delegate int QualifierSet_Get(int vFunc, IntPtr pWbemClassObject, [In][MarshalAs(UnmanagedType.LPWStr)] string wszName, [In] Int32 lFlags, [In][Out] ref object pVal, [In][Out] ref Int32 plFlavor);
internal delegate int QualifierSet_Put(int vFunc, IntPtr pWbemClassObject, [In][MarshalAs(UnmanagedType.LPWStr)] string wszName, [In] ref object pVal, [In] Int32 lFlavor);
internal delegate int QualifierSet_Delete(int vFunc, IntPtr pWbemClassObject, [In][MarshalAs(UnmanagedType.LPWStr)] string wszName);
internal delegate int QualifierSet_GetNames(int vFunc, IntPtr pWbemClassObject, [In] Int32 lFlags, [Out][MarshalAs(UnmanagedType.SafeArray, SafeArraySubType=VarEnum.VT_BSTR)] out string[] pNames);
internal delegate int QualifierSet_BeginEnumeration(int vFunc, IntPtr pWbemClassObject, [In] Int32 lFlags);
internal delegate int QualifierSet_Next(int vFunc, IntPtr pWbemClassObject, [In] Int32 lFlags, [Out][MarshalAs(UnmanagedType.BStr)] out string pstrName, [Out] out object pVal, [Out] out Int32 plFlavor);
internal delegate int QualifierSet_EndEnumeration(int vFunc, IntPtr pWbemClassObject);
internal delegate int GetCurrentApartmentType(int vFunc, IntPtr pComThreadingInfo, [Out] out APTTYPE aptType);
internal delegate void VerifyClientKey();
internal delegate int GetDemultiplexedStub([In,MarshalAs(UnmanagedType.IUnknown)]object pIUnknown, [In]bool isLocal, [Out,MarshalAs(UnmanagedType.IUnknown)]out object ppIUnknown);
internal delegate int CreateInstanceEnumWmi([In][MarshalAs(UnmanagedType.BStr)] string strFilter,
[In] Int32 lFlags,
[In][MarshalAs(UnmanagedType.Interface)] IWbemContext pCtx,
[Out][MarshalAs(UnmanagedType.Interface)] out IEnumWbemClassObject ppEnum,
[In] Int32 impLevel,
[In] Int32 authnLevel,
[In] [MarshalAs(UnmanagedType.Interface)] IWbemServices pCurrentNamespace,
[In][MarshalAs(UnmanagedType.BStr)] string strUser,
[In]IntPtr strPassword,
[In][MarshalAs(UnmanagedType.BStr)] string strAuthority
);
internal delegate int CreateClassEnumWmi([In][MarshalAs(UnmanagedType.BStr)] string strSuperclass,
[In] Int32 lFlags,
[In][MarshalAs(UnmanagedType.Interface)] IWbemContext pCtx,
[Out][MarshalAs(UnmanagedType.Interface)] out IEnumWbemClassObject ppEnum,
[In] Int32 impLevel,
[In] Int32 authnLevel,
[In] [MarshalAs(UnmanagedType.Interface)] IWbemServices pCurrentNamespace,
[In][MarshalAs(UnmanagedType.BStr)] string strUser,
[In]IntPtr strPassword,
[In][MarshalAs(UnmanagedType.BStr)] string strAuthority
);
internal delegate int ExecQueryWmi([In][MarshalAs(UnmanagedType.BStr)] string strQueryLanguage,
[In][MarshalAs(UnmanagedType.BStr)] string strQuery,
[In] Int32 lFlags,
[In][MarshalAs(UnmanagedType.Interface)] IWbemContext pCtx,
[Out][MarshalAs(UnmanagedType.Interface)] out IEnumWbemClassObject ppEnum,
[In] Int32 impLevel,
[In] Int32 authnLevel,
[In] [MarshalAs(UnmanagedType.Interface)] IWbemServices pCurrentNamespace,
[In][MarshalAs(UnmanagedType.BStr)] string strUser,
[In]IntPtr strPassword,
[In][MarshalAs(UnmanagedType.BStr)] string strAuthority
);
internal delegate int ExecNotificationQueryWmi( [In][MarshalAs(UnmanagedType.BStr)] string strQueryLanguage,
[In][MarshalAs(UnmanagedType.BStr)] string strQuery,
[In] Int32 lFlags,
[In][MarshalAs(UnmanagedType.Interface)] IWbemContext pCtx,
[Out][MarshalAs(UnmanagedType.Interface)] out IEnumWbemClassObject ppEnum,
[In] Int32 impLevel,
[In] Int32 authnLevel,
[In] [MarshalAs(UnmanagedType.Interface)] IWbemServices pCurrentNamespace,
[In][MarshalAs(UnmanagedType.BStr)] string strUser,
[In]IntPtr strPassword,
[In][MarshalAs(UnmanagedType.BStr)] string strAuthority
);
internal delegate int PutInstanceWmi([In] IntPtr pInst,
[In] Int32 lFlags,
[In][MarshalAs(UnmanagedType.Interface)] IWbemContext pCtx,
[In] IntPtr ppCallResult,
[In] Int32 impLevel,
[In] Int32 authnLevel,
[In] [MarshalAs(UnmanagedType.Interface)] IWbemServices pCurrentNamespace,
[In][MarshalAs(UnmanagedType.BStr)] string strUser,
[In]IntPtr strPassword,
[In][MarshalAs(UnmanagedType.BStr)] string strAuthority
);
internal delegate int PutClassWmi([In] IntPtr pObject,
[In] Int32 lFlags,
[In][MarshalAs(UnmanagedType.Interface)] IWbemContext pCtx,
[In] IntPtr ppCallResult,
[In] Int32 impLevel,
[In] Int32 authnLevel,
[In] [MarshalAs(UnmanagedType.Interface)] IWbemServices pCurrentNamespace,
[In][MarshalAs(UnmanagedType.BStr)] string strUser,
[In]IntPtr strPassword,
[In][MarshalAs(UnmanagedType.BStr)] string strAuthority
);
internal delegate int CloneEnumWbemClassObject(
[Out][MarshalAs(UnmanagedType.Interface)] out IEnumWbemClassObject ppEnum,
[In] Int32 impLevel,
[In] Int32 authnLevel,
[In] [MarshalAs(UnmanagedType.Interface)] IEnumWbemClassObject pCurrentEnumWbemClassObject,
[In][MarshalAs(UnmanagedType.BStr)] string strUser,
[In]IntPtr strPassword,
[In][MarshalAs(UnmanagedType.BStr)] string strAuthority
);
internal delegate int ConnectServerWmi(
[In][MarshalAs(UnmanagedType.BStr)] string strNetworkResource,
[In][MarshalAs(UnmanagedType.BStr)] string strUser,
[In] IntPtr strPassword,
[In][MarshalAs(UnmanagedType.BStr)] string strLocale,
[In] Int32 lSecurityFlags,
[In][MarshalAs(UnmanagedType.BStr)] string strAuthority,
[In][MarshalAs(UnmanagedType.Interface)] IWbemContext pCtx,
[Out][MarshalAs(UnmanagedType.Interface)] out IWbemServices ppNamespace,
int impersonationLevel,
int authenticationLevel);
// 'Apartment Type' returned by IComThreadingInfo::GetCurrentApartmentType()
internal enum APTTYPE
{
APTTYPE_CURRENT = -1,
APTTYPE_STA = 0,
APTTYPE_MTA = 1,
APTTYPE_NA = 2,
APTTYPE_MAINSTA = 3
}
internal static ResetSecurity ResetSecurity_f;
internal static SetSecurity SetSecurity_f;
internal static BlessIWbemServices BlessIWbemServices_f;
internal static BlessIWbemServicesObject BlessIWbemServicesObject_f;
internal static GetPropertyHandle GetPropertyHandle_f27;
internal static WritePropertyValue WritePropertyValue_f28;
internal static GetQualifierSet GetQualifierSet_f;
internal static Get Get_f;
internal static Put Put_f;
internal static Delete Delete_f;
internal static GetNames GetNames_f;
internal static BeginEnumeration BeginEnumeration_f;
internal static Next Next_f;
internal static EndEnumeration EndEnumeration_f;
internal static GetPropertyQualifierSet GetPropertyQualifierSet_f;
internal static Clone Clone_f;
internal static GetObjectText GetObjectText_f;
internal static SpawnDerivedClass SpawnDerivedClass_f;
internal static SpawnInstance SpawnInstance_f;
internal static CompareTo CompareTo_f;
internal static GetPropertyOrigin GetPropertyOrigin_f;
internal static InheritsFrom InheritsFrom_f;
internal static GetMethod GetMethod_f;
internal static PutMethod PutMethod_f;
internal static DeleteMethod DeleteMethod_f;
internal static BeginMethodEnumeration BeginMethodEnumeration_f;
internal static NextMethod NextMethod_f;
internal static EndMethodEnumeration EndMethodEnumeration_f;
internal static GetMethodQualifierSet GetMethodQualifierSet_f;
internal static GetMethodOrigin GetMethodOrigin_f;
internal static QualifierSet_Get QualifierGet_f;
internal static QualifierSet_Put QualifierPut_f;
internal static QualifierSet_Delete QualifierDelete_f;
internal static QualifierSet_GetNames QualifierGetNames_f;
internal static QualifierSet_BeginEnumeration QualifierBeginEnumeration_f;
internal static QualifierSet_Next QualifierNext_f;
internal static QualifierSet_EndEnumeration QualifierEndEnumeration_f;
internal static GetCurrentApartmentType GetCurrentApartmentType_f;
internal static VerifyClientKey VerifyClientKey_f;
internal static Clone Clone_f12;
internal static GetDemultiplexedStub GetDemultiplexedStub_f;
internal static CreateInstanceEnumWmi CreateInstanceEnumWmi_f;
internal static CreateClassEnumWmi CreateClassEnumWmi_f;
internal static ExecQueryWmi ExecQueryWmi_f;
internal static ExecNotificationQueryWmi ExecNotificationQueryWmi_f;
internal static PutInstanceWmi PutInstanceWmi_f;
internal static PutClassWmi PutClassWmi_f;
internal static CloneEnumWbemClassObject CloneEnumWbemClassObject_f;
internal static ConnectServerWmi ConnectServerWmi_f;
[ResourceExposure(ResourceScope.None), SuppressUnmanagedCodeSecurity, DllImport("kernel32.dll")] internal static extern IntPtr LoadLibrary(string fileName);
[ResourceExposure(ResourceScope.None), SuppressUnmanagedCodeSecurity, DllImport("kernel32.dll")] internal static extern IntPtr GetProcAddress(IntPtr hModule, string procname);
static WmiNetUtilsHelper()
{
myDllPath = System.Runtime.InteropServices.RuntimeEnvironment.GetRuntimeDirectory() + "\\wminet_utils.dll";
IntPtr procAddr = IntPtr.Zero;
IntPtr loadLibrary = IntPtr.Zero;
loadLibrary = LoadLibrary(myDllPath);
if( loadLibrary != IntPtr.Zero)
{
procAddr = GetProcAddress(loadLibrary, "ResetSecurity");
if( procAddr != IntPtr.Zero)
{
ResetSecurity_f =(ResetSecurity) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(ResetSecurity));
}
procAddr = GetProcAddress(loadLibrary, "SetSecurity");
if( procAddr != IntPtr.Zero)
{
SetSecurity_f =(SetSecurity) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(SetSecurity));
}
procAddr = GetProcAddress(loadLibrary, "BlessIWbemServices");
if( procAddr != IntPtr.Zero)
{
BlessIWbemServices_f =(BlessIWbemServices) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(BlessIWbemServices));
}
procAddr = GetProcAddress(loadLibrary, "BlessIWbemServicesObject");
if( procAddr != IntPtr.Zero)
{
BlessIWbemServicesObject_f =(BlessIWbemServicesObject) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(BlessIWbemServicesObject));
}
procAddr = GetProcAddress(loadLibrary, "GetPropertyHandle");
if( procAddr != IntPtr.Zero)
{
GetPropertyHandle_f27=(GetPropertyHandle) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(GetPropertyHandle));
}
procAddr = GetProcAddress(loadLibrary, "WritePropertyValue");
if( procAddr != IntPtr.Zero)
{
WritePropertyValue_f28=(WritePropertyValue) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(WritePropertyValue));
}
procAddr = GetProcAddress(loadLibrary, "Clone");
if( procAddr != IntPtr.Zero)
{
Clone_f12=(Clone) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(Clone));
}
procAddr = GetProcAddress(loadLibrary, "VerifyClientKey");
if( procAddr != IntPtr.Zero)
{
VerifyClientKey_f =(VerifyClientKey) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(VerifyClientKey));
}
procAddr = GetProcAddress(loadLibrary, "GetQualifierSet");
if( procAddr != IntPtr.Zero)
{
GetQualifierSet_f =(GetQualifierSet) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(GetQualifierSet));
}
procAddr = GetProcAddress(loadLibrary, "Get");
if( procAddr != IntPtr.Zero)
{
Get_f =(Get) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(Get));
}
procAddr = GetProcAddress(loadLibrary, "Put");
if( procAddr != IntPtr.Zero)
{
Put_f =(Put) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(Put));
}
procAddr = GetProcAddress(loadLibrary, "Delete");
if( procAddr != IntPtr.Zero)
{
Delete_f =(Delete) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(Delete));
}
procAddr = GetProcAddress(loadLibrary, "GetNames");
if( procAddr != IntPtr.Zero)
{
GetNames_f =(GetNames) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(GetNames));
}
procAddr = GetProcAddress(loadLibrary, "BeginEnumeration");
if( procAddr != IntPtr.Zero)
{
BeginEnumeration_f =(BeginEnumeration) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(BeginEnumeration));
}
procAddr = GetProcAddress(loadLibrary, "Next");
if( procAddr != IntPtr.Zero)
{
Next_f =(Next) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(Next));
}
procAddr = GetProcAddress(loadLibrary, "EndEnumeration");
if( procAddr != IntPtr.Zero)
{
EndEnumeration_f =(EndEnumeration) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(EndEnumeration));
}
procAddr = GetProcAddress(loadLibrary, "GetPropertyQualifierSet");
if( procAddr != IntPtr.Zero)
{
GetPropertyQualifierSet_f =(GetPropertyQualifierSet) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(GetPropertyQualifierSet));
}
procAddr = GetProcAddress(loadLibrary, "Clone");
if( procAddr != IntPtr.Zero)
{
Clone_f =(Clone) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(Clone));
}
procAddr = GetProcAddress(loadLibrary, "GetObjectText");
if( procAddr != IntPtr.Zero)
{
GetObjectText_f =(GetObjectText) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(GetObjectText));
}
procAddr = GetProcAddress(loadLibrary, "SpawnDerivedClass");
if( procAddr != IntPtr.Zero)
{
SpawnDerivedClass_f =(SpawnDerivedClass) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(SpawnDerivedClass));
}
procAddr = GetProcAddress(loadLibrary, "SpawnInstance");
if( procAddr != IntPtr.Zero)
{
SpawnInstance_f =(SpawnInstance) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(SpawnInstance));
}
procAddr = GetProcAddress(loadLibrary, "CompareTo");
if( procAddr != IntPtr.Zero)
{
CompareTo_f =(CompareTo) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(CompareTo));
}
procAddr = GetProcAddress(loadLibrary, "GetPropertyOrigin");
if( procAddr != IntPtr.Zero)
{
GetPropertyOrigin_f =(GetPropertyOrigin) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(GetPropertyOrigin));
}
procAddr = GetProcAddress(loadLibrary, "InheritsFrom");
if( procAddr != IntPtr.Zero)
{
InheritsFrom_f =(InheritsFrom) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(InheritsFrom));
}
procAddr = GetProcAddress(loadLibrary, "GetMethod");
if( procAddr != IntPtr.Zero)
{
GetMethod_f =(GetMethod) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(GetMethod));
}
procAddr = GetProcAddress(loadLibrary, "PutMethod");
if( procAddr != IntPtr.Zero)
{
PutMethod_f =(PutMethod) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(PutMethod));
}
procAddr = GetProcAddress(loadLibrary, "DeleteMethod");
if( procAddr != IntPtr.Zero)
{
DeleteMethod_f =(DeleteMethod) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(DeleteMethod));
}
procAddr = GetProcAddress(loadLibrary, "BeginMethodEnumeration");
if( procAddr != IntPtr.Zero)
{
BeginMethodEnumeration_f =(BeginMethodEnumeration) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(BeginMethodEnumeration));
}
procAddr = GetProcAddress(loadLibrary, "NextMethod");
if( procAddr != IntPtr.Zero)
{
NextMethod_f =(NextMethod) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(NextMethod));
}
procAddr = GetProcAddress(loadLibrary, "EndMethodEnumeration");
if( procAddr != IntPtr.Zero)
{
EndMethodEnumeration_f =(EndMethodEnumeration) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(EndMethodEnumeration));
}
procAddr = GetProcAddress(loadLibrary, "GetMethodQualifierSet");
if( procAddr != IntPtr.Zero)
{
GetMethodQualifierSet_f =(GetMethodQualifierSet) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(GetMethodQualifierSet));
}
procAddr = GetProcAddress(loadLibrary, "GetMethodOrigin");
if( procAddr != IntPtr.Zero)
{
GetMethodOrigin_f =(GetMethodOrigin) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(GetMethodOrigin));
}
procAddr = GetProcAddress(loadLibrary, "QualifierSet_Get");
if( procAddr != IntPtr.Zero)
{
QualifierGet_f=(QualifierSet_Get) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(QualifierSet_Get));
}
procAddr = GetProcAddress(loadLibrary, "QualifierSet_Put");
if( procAddr != IntPtr.Zero)
{
QualifierPut_f=(QualifierSet_Put) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(QualifierSet_Put));
}
procAddr = GetProcAddress(loadLibrary, "QualifierSet_Delete");
if( procAddr != IntPtr.Zero)
{
QualifierDelete_f=(QualifierSet_Delete) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(QualifierSet_Delete));
}
procAddr = GetProcAddress(loadLibrary, "QualifierSet_GetNames");
if( procAddr != IntPtr.Zero)
{
QualifierGetNames_f=(QualifierSet_GetNames) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(QualifierSet_GetNames));
}
procAddr = GetProcAddress(loadLibrary, "QualifierSet_BeginEnumeration");
if( procAddr != IntPtr.Zero)
{
QualifierBeginEnumeration_f=(QualifierSet_BeginEnumeration) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(QualifierSet_BeginEnumeration));
}
procAddr = GetProcAddress(loadLibrary, "QualifierSet_Next");
if( procAddr != IntPtr.Zero)
{
QualifierNext_f=(QualifierSet_Next) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(QualifierSet_Next));
}
procAddr = GetProcAddress(loadLibrary, "QualifierSet_EndEnumeration");
if( procAddr != IntPtr.Zero)
{
QualifierEndEnumeration_f=(QualifierSet_EndEnumeration) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(QualifierSet_EndEnumeration));
}
procAddr = GetProcAddress(loadLibrary, "GetCurrentApartmentType");
if( procAddr != IntPtr.Zero)
{
GetCurrentApartmentType_f =(GetCurrentApartmentType) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(GetCurrentApartmentType));
}
procAddr = GetProcAddress(loadLibrary, "GetDemultiplexedStub");
if( procAddr != IntPtr.Zero)
{
GetDemultiplexedStub_f =(GetDemultiplexedStub) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(GetDemultiplexedStub));
}
procAddr = GetProcAddress(loadLibrary, "CreateInstanceEnumWmi");
if( procAddr != IntPtr.Zero)
{
CreateInstanceEnumWmi_f =(CreateInstanceEnumWmi) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(CreateInstanceEnumWmi));
}
procAddr = GetProcAddress(loadLibrary, "CreateClassEnumWmi");
if( procAddr != IntPtr.Zero)
{
CreateClassEnumWmi_f =(CreateClassEnumWmi) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(CreateClassEnumWmi));
}
procAddr = GetProcAddress(loadLibrary, "ExecQueryWmi");
if( procAddr != IntPtr.Zero)
{
ExecQueryWmi_f =(ExecQueryWmi) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(ExecQueryWmi));
}
procAddr = GetProcAddress(loadLibrary, "ExecNotificationQueryWmi");
if( procAddr != IntPtr.Zero)
{
ExecNotificationQueryWmi_f =(ExecNotificationQueryWmi) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(ExecNotificationQueryWmi));
}
procAddr = GetProcAddress(loadLibrary, "PutInstanceWmi");
if( procAddr != IntPtr.Zero)
{
PutInstanceWmi_f =(PutInstanceWmi) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(PutInstanceWmi));
}
procAddr = GetProcAddress(loadLibrary, "PutClassWmi");
if( procAddr != IntPtr.Zero)
{
PutClassWmi_f =(PutClassWmi) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(PutClassWmi));
}
procAddr = GetProcAddress(loadLibrary, "CloneEnumWbemClassObject");
if( procAddr != IntPtr.Zero)
{
CloneEnumWbemClassObject_f =(CloneEnumWbemClassObject) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(CloneEnumWbemClassObject));
}
procAddr = GetProcAddress(loadLibrary, "ConnectServerWmi");
if( procAddr != IntPtr.Zero)
{
ConnectServerWmi_f =(ConnectServerWmi) Marshal.GetDelegateForFunctionPointer(procAddr, typeof(ConnectServerWmi));
}
}
}
}
///
/// Represents a scope for management operations. In v1.0 the scope defines the WMI namespace in which management operations are performed.
///
///
/// using System;
/// using System.Management;
///
/// // This sample demonstrates how to connect to root/default namespace
/// // using ManagmentScope object.
/// class Sample_ManagementScope
/// {
/// public static int Main(string[] args)
/// {
/// ManagementScope scope = new ManagementScope("root\\default");
/// scope.Connect();
/// ManagementClass newClass = new ManagementClass(
/// scope,
/// new ManagementPath(),
/// null);
/// return 0;
/// }
/// }
///
/// Imports System
/// Imports System.Management
///
/// ' This sample demonstrates how to connect to root/default namespace
/// ' using ManagmentScope object.
/// Class Sample_ManagementScope
/// Overloads Public Shared Function Main(args() As String) As Integer
/// Dim scope As New ManagementScope("root\default")
/// scope.Connect()
/// Dim newClass As New ManagementClass(scope, _
/// New ManagementPath(), _
/// Nothing)
/// Return 0
/// End Function
/// End Class
///
///
[TypeConverter(typeof(ManagementScopeConverter))]
public class ManagementScope : ICloneable
{
private ManagementPath validatedPath;
private IWbemServices wbemServices;
private ConnectionOptions options;
internal event IdentifierChangedEventHandler IdentifierChanged;
internal bool IsDefaulted; //used to tell whether the current scope has been created from the default
//scope or not - this information is used to tell whether it can be overridden
//when a new path is set or not.
[ResourceExposure( ResourceScope.None),DllImport("rpcrt4.dll")]
static extern int RpcMgmtEnableIdleCleanup ( );
//Fires IdentifierChanged event
private void FireIdentifierChanged()
{
if (IdentifierChanged != null)
IdentifierChanged(this,null);
}
//Called when IdentifierChanged() event fires
private void HandleIdentifierChange(object sender,
IdentifierChangedEventArgs args)
{
// Since our object has changed we had better signal to ourself that
// an connection needs to be established
wbemServices = null;
//Something inside ManagementScope changed, we need to fire an event
//to the parent object
FireIdentifierChanged();
}
// Private path property accessor which performs minimal validation on the
// namespace path. IWbemPath cannot differentiate between a class or a name-
// space if path separators are not present in the path. Therefore, IWbemPath
// will allow a namespace of "rootBeer" vs "root". Since it is established
// that the scope path is indeed a namespace path, we perform this validation.
private ManagementPath prvpath
{
get
{
return validatedPath;
}
set
{
if (value != null)
{
string pathValue = value.Path;
if (!ManagementPath.IsValidNamespaceSyntax(pathValue))
ManagementException.ThrowWithExtendedInfo((ManagementStatus)tag_WBEMSTATUS.WBEM_E_INVALID_NAMESPACE);
}
validatedPath = value;
}
}
internal IWbemServices GetIWbemServices ()
{
IWbemServices localCopy = wbemServices;
//IWbemServices is always created in MTA context. Only if call is made through non MTA context we need to use IWbemServices in right context.
// Lets start by assuming that we'll return the RCW that we already have
// Get an IUnknown for this apartment
IntPtr pUnk = Marshal.GetIUnknownForObject(wbemServices);
// Get an 'IUnknown RCW' for this apartment
Object unknown = Marshal.GetObjectForIUnknown(pUnk);
// Release the ref count on the IUnknwon
Marshal.Release(pUnk);
// See if we are in the same apartment as where the original IWbemServices lived
// If we are in a different apartment, give the caller an RCW generated just for their
// apartment, and set the proxy blanket appropriately
if(!object.ReferenceEquals(unknown, wbemServices))
{
// We need to set the proxy blanket on 'unknown' or else the QI for IWbemServices may
// fail if we are running under a local user account. The QI has to be done by
// someone who is a member of the 'Everyone' group on the target machine, or DCOM
// won't let the call through.
SecurityHandler securityHandler = GetSecurityHandler ();
securityHandler.SecureIUnknown(unknown);
// Now, we can QI and secure the IWbemServices
localCopy = (IWbemServices)unknown;
// We still need to bless the IWbemServices in this apartment
securityHandler.Secure(localCopy);
}
return localCopy; // STRANGE: Why does it still work if I return 'wbemServices'?
}
///
/// Gets or sets a value indicating whether the
///
///
///
///
/// A scope is disconnected after creation until someone
/// explicitly calls
///
public bool IsConnected
{
get
{
return (null != wbemServices);
}
}
//Internal constructor
internal ManagementScope (ManagementPath path, IWbemServices wbemServices,
ConnectionOptions options)
{
if (null != path)
this.Path = path;
if (null != options)
this.Options = options;
// We set this.wbemServices after setting Path and Options
// because the latter operations can cause wbemServices to be NULLed.
this.wbemServices = wbemServices;
}
internal ManagementScope (ManagementPath path, ManagementScope scope)
: this (path, (null != scope) ? scope.options : null) {}
internal static ManagementScope _Clone(ManagementScope scope)
{
return ManagementScope._Clone(scope, null);
}
internal static ManagementScope _Clone(ManagementScope scope, IdentifierChangedEventHandler handler)
{
ManagementScope scopeTmp = new ManagementScope(null, null, null);
// Wire up change handler chain. Use supplied handler, if specified;
// otherwise, default to that of the scope argument.
if (handler != null)
scopeTmp.IdentifierChanged = handler;
else if (scope != null)
scopeTmp.IdentifierChanged = new IdentifierChangedEventHandler(scope.HandleIdentifierChange);
// Set scope path.
if (scope == null)
{
// No path specified. Default.
scopeTmp.prvpath = ManagementPath._Clone(ManagementPath.DefaultPath, new IdentifierChangedEventHandler(scopeTmp.HandleIdentifierChange));
scopeTmp.IsDefaulted = true;
scopeTmp.wbemServices = null;
scopeTmp.options = null;
// scopeTmp.securityHelper = null; //
}
else
{
if (scope.prvpath == null)
{
// No path specified. Default.
scopeTmp.prvpath = ManagementPath._Clone(ManagementPath.DefaultPath, new IdentifierChangedEventHandler(scopeTmp.HandleIdentifierChange));
scopeTmp.IsDefaulted = true;
}
else
{
// Use scope-supplied path.
scopeTmp.prvpath = ManagementPath._Clone(scope.prvpath, new IdentifierChangedEventHandler(scopeTmp.HandleIdentifierChange));
scopeTmp.IsDefaulted = scope.IsDefaulted;
}
scopeTmp.wbemServices = scope.wbemServices;
if (scope.options != null)
scopeTmp.options = ConnectionOptions._Clone(scope.options, new IdentifierChangedEventHandler(scopeTmp.HandleIdentifierChange));
// scopeTmp.securityHelper = scope.securityHelper; //
}
return scopeTmp;
}
//Default constructor
///
/// Initializes a new instance
/// of the
///
/// Initializes a new instance of the
///
///
/// If the object doesn't have any
/// properties set before connection, it will be initialized with default values
/// (for example, the local machine and the root\cimv2 namespace).
///
///
/// ManagementScope s = new ManagementScope();
///
/// Dim s As New ManagementScope()
///
///
public ManagementScope () :
this (new ManagementPath (ManagementPath.DefaultPath.Path))
{
//Flag that this scope uses the default path
IsDefaulted = true;
}
//Parameterized constructors
///
/// Initializes a new instance of the
///
/// A
/// ManagementScope s = new ManagementScope(new ManagementPath("\\\\MyServer\\root\\default"));
///
/// Dim p As New ManagementPath("\\MyServer\root\default")
/// Dim s As New ManagementScope(p)
///
///
public ManagementScope (ManagementPath path) : this(path, (ConnectionOptions)null) {}
///
/// Initializes a new instance of the
///
/// The server and namespace path for the
/// ManagementScope s = new ManagementScope("\\\\MyServer\\root\\default");
///
/// Dim s As New ManagementScope("\\MyServer\root\default")
///
///
public ManagementScope (string path) : this(new ManagementPath(path), (ConnectionOptions)null) {}
///
/// Initializes a new instance of the
///
/// The server and namespace for the
/// ConnectionOptions opt = new ConnectionOptions();
/// opt.Username = "Me";
/// opt.Password = "MyPassword";
/// ManagementScope s = new ManagementScope("\\\\MyServer\\root\\default", opt);
///
/// Dim opt As New ConnectionOptions()
/// opt.Username = "Me"
/// opt.Password = "MyPassword"
/// Dim s As New ManagementScope("\\MyServer\root\default", opt);
///
///
public ManagementScope (string path, ConnectionOptions options) : this (new ManagementPath(path), options) {}
///
/// Initializes a new instance of the
///
/// A
/// ConnectionOptions opt = new ConnectionOptions();
/// opt.Username = "Me";
/// opt.Password = "MyPassword";
///
/// ManagementPath p = new ManagementPath("\\\\MyServer\\root\\default");
/// ManagementScope = new ManagementScope(p, opt);
///
/// Dim opt As New ConnectionOptions()
/// opt.UserName = "Me"
/// opt.Password = "MyPassword"
///
/// Dim p As New ManagementPath("\\MyServer\root\default")
/// Dim s As New ManagementScope(p, opt)
///
///
public ManagementScope (ManagementPath path, ConnectionOptions options)
{
if (null != path)
this.prvpath = ManagementPath._Clone(path, new IdentifierChangedEventHandler(HandleIdentifierChange));
else
this.prvpath = ManagementPath._Clone(null);
if (null != options)
this.options = ConnectionOptions._Clone(options, new IdentifierChangedEventHandler(HandleIdentifierChange));
else
this.options = null;
IsDefaulted = false; //assume that this scope is not initialized by the default path
}
///
/// Gets or sets options for making the WMI connection.
///
///
/// The valid
///
///
/// //This constructor creates a scope object with default options
/// ManagementScope s = new ManagementScope("root\\MyApp");
///
/// //Change default connection options -
/// //In this example, set the system privileges to enabled for operations that require system privileges.
/// s.Options.EnablePrivileges = true;
///
/// 'This constructor creates a scope object with default options
/// Dim s As New ManagementScope("root\\MyApp")
///
/// 'Change default connection options -
/// 'In this example, set the system privileges to enabled for operations that require system privileges.
/// s.Options.EnablePrivileges = True
///
///
public ConnectionOptions Options
{
get
{
if (options == null)
return options = ConnectionOptions._Clone(null);
else
return options;
}
set
{
if (null != value)
{
if (null != options)
options.IdentifierChanged -= new IdentifierChangedEventHandler(HandleIdentifierChange);
options = ConnectionOptions._Clone((ConnectionOptions)value, new IdentifierChangedEventHandler(HandleIdentifierChange));
//the options property has changed so act like we fired the event
HandleIdentifierChange(this,null);
}
else
throw new ArgumentNullException ("value");
}
}
///
/// Gets or sets the path for the
///
///
/// A
///
///
/// ManagementScope s = new ManagementScope();
/// s.Path = new ManagementPath("root\\MyApp");
///
/// Dim s As New ManagementScope()
/// s.Path = New ManagementPath("root\MyApp")
///
///
public ManagementPath Path
{
get
{
if (prvpath == null)
return prvpath = ManagementPath._Clone(null);
else
return prvpath;
}
set
{
if (null != value)
{
if (null != prvpath)
prvpath.IdentifierChanged -= new IdentifierChangedEventHandler(HandleIdentifierChange);
IsDefaulted = false; //someone is specifically setting the scope path so it's not defaulted any more
prvpath = ManagementPath._Clone((ManagementPath)value, new IdentifierChangedEventHandler(HandleIdentifierChange));
//the path property has changed so act like we fired the event
HandleIdentifierChange(this,null);
}
else
throw new ArgumentNullException ("value");
}
}
///
/// Returns a copy of the object.
///
///
/// A new copy of the
///
public ManagementScope Clone()
{
return ManagementScope._Clone(this);
}
///
/// Clone a copy of this object.
///
///
/// A new copy of this object.
/// object.
///
Object ICloneable.Clone()
{
return Clone();
}
///
/// Connects this
///
///
/// This method is called implicitly when the
/// scope is used in an operation that requires it to be connected. Calling it
/// explicitly allows the user to control the time of connection.
///
///
/// ManagementScope s = new ManagementScope("root\\MyApp");
///
/// //Explicit call to connect the scope object to the WMI namespace
/// s.Connect();
///
/// //The following doesn't do any implicit scope connections because s is already connected.
/// ManagementObject o = new ManagementObject(s, "Win32_LogicalDisk='C:'", null);
///
/// Dim s As New ManagementScope("root\\MyApp")
///
/// 'Explicit call to connect the scope object to the WMI namespace
/// s.Connect()
///
/// 'The following doesn't do any implicit scope connections because s is already connected.
/// Dim o As New ManagementObject(s, "Win32_LogicalDisk=""C:""", null)
///
///
public void Connect ()
{
Initialize ();
}
internal void Initialize ()
{
//If the path is not set yet we can't do it
if (null == prvpath)
throw new InvalidOperationException();
/*
* If we're not connected yet, this is the time to do it... We lock
* the state to prevent 2 threads simultaneously doing the same
* connection. To avoid taking the lock unnecessarily we examine
* isConnected first
*/
if (!IsConnected)
{
lock (this)
{
if (!IsConnected)
{
// The locator cannot be marshalled accross apartments, so we must create the locator
// and get the IWbemServices from an MTA thread
if(!MTAHelper.IsNoContextMTA()) // Bug#110141 - Checking for MTA is not enough. We need to make sure we are not in a COM+ Context
{
//
// [marioh, RAID: 111108]
// Ensure we are able to trap exceptions from worker thread.
//
ThreadDispatch disp = new ThreadDispatch ( new ThreadDispatch.ThreadWorkerMethodWithParam ( InitializeGuts ) ) ;
disp.Parameter = this ;
disp.Start ( ) ;
// statusFromMTA = 0;
// Thread thread = new Thread(new ThreadStart(InitializeGuts));
// thread.ApartmentState = ApartmentState.MTA;
// thread.Start();
// thread.Join();
// if ((statusFromMTA & 0xfffff000) == 0x80041000)
// ManagementException.ThrowWithExtendedInfo((ManagementStatus)statusFromMTA);
// else if ((statusFromMTA & 0x80000000) != 0)
// Marshal.ThrowExceptionForHR(statusFromMTA);
}
else
InitializeGuts(this);
}
}
}
}
//int statusFromMTA;
void InitializeGuts(object o)
{
ManagementScope threadParam = (ManagementScope) o ;
IWbemLocator loc = (IWbemLocator) new WbemLocator();
IntPtr punk = IntPtr.Zero;
if (null == options)
threadParam.Options = new ConnectionOptions ();
string nsPath = threadParam.prvpath.GetNamespacePath((int)tag_WBEM_GET_TEXT_FLAGS.WBEMPATH_GET_SERVER_AND_NAMESPACE_ONLY);
// If no namespace specified, fill in the default one
if ((null == nsPath) || (0 == nsPath.Length))
{
// NB: we use a special method to set the namespace
// path here as we do NOT want to trigger an
// IdentifierChanged event as a result of this set
bool bUnused;
nsPath = threadParam.prvpath.SetNamespacePath(ManagementPath.DefaultPath.Path, out bUnused);
}
int status = (int)ManagementStatus.NoError;
threadParam.wbemServices = null;
//If we're on XP or higher, always use the "max_wait" flag to avoid hanging
if (Environment.OSVersion.Platform == PlatformID.Win32NT)
{
if( ((Environment.OSVersion.Version.Major == 5) && (Environment.OSVersion.Version.Minor >= 1)) || (Environment.OSVersion.Version.Major >= 6) )
{
threadParam.options.Flags |= (int)tag_WBEM_CONNECT_OPTIONS.WBEM_FLAG_CONNECT_USE_MAX_WAIT;
}
}
try
{
IntPtr password = threadParam.options.GetPassword();
status = GetSecuredConnectHandler().ConnectNSecureIWbemServices(nsPath, ref threadParam.wbemServices);
}
catch (COMException e)
{
//
ManagementException.ThrowWithExtendedInfo (e);
}
//statusFromMTA = status;
if ((status & 0xfffff000) == 0x80041000)
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)status);
}
else if ((status & 0x80000000) != 0)
{
Marshal.ThrowExceptionForHR(status);
}
}
internal SecurityHandler GetSecurityHandler ()
{
return new SecurityHandler(this);
}
internal SecuredConnectHandler GetSecuredConnectHandler ()
{
return new SecuredConnectHandler(this);
}
internal SecuredIEnumWbemClassObjectHandler GetSecuredIEnumWbemClassObjectHandler (IEnumWbemClassObject pEnumWbemClassObject)
{
return new SecuredIEnumWbemClassObjectHandler (this, pEnumWbemClassObject);
}
internal SecuredIWbemServicesHandler GetSecuredIWbemServicesHandler( IWbemServices pWbemServiecs)
{
return new SecuredIWbemServicesHandler(this, pWbemServiecs);
}
}//ManagementScope
internal class SecuredIEnumWbemClassObjectHandler
{
private IEnumWbemClassObject pEnumWbemClassObjectsecurityHelper;
private ManagementScope scope;
internal SecuredIEnumWbemClassObjectHandler (ManagementScope theScope, IEnumWbemClassObject pEnumWbemClassObject)
{
this.scope = theScope;
pEnumWbemClassObjectsecurityHelper = pEnumWbemClassObject;
}
internal int Reset_()
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
status = pEnumWbemClassObjectsecurityHelper.Reset_();
return status;
}
internal int Next_( int lTimeout, uint uCount, IWbemClassObject_DoNotMarshal[] ppOutParams, ref uint puReturned)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
status = pEnumWbemClassObjectsecurityHelper.Next_( lTimeout, uCount, ppOutParams, out puReturned);
return status;
}
internal int NextAsync_( uint uCount, IWbemObjectSink pSink)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
status = pEnumWbemClassObjectsecurityHelper.NextAsync_(uCount, pSink);
return status;
}
internal int Clone_(ref IEnumWbemClassObject ppEnum)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
if( null != scope)
{
status = WmiNetUtilsHelper.CloneEnumWbemClassObject_f(
out ppEnum,
(int)scope.Options.Authentication,
(int)scope.Options.Impersonation,
pEnumWbemClassObjectsecurityHelper,
scope.Options.Username,
scope.Options.GetPassword(),
scope.Options.Authority);
}
return status;
}
internal int Skip_( int lTimeout, uint nCount)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
status = pEnumWbemClassObjectsecurityHelper.Skip_(lTimeout, nCount);
return status;
}
}
internal class SecuredConnectHandler
{
private ManagementScope scope;
internal SecuredConnectHandler (ManagementScope theScope)
{
this.scope = theScope;
}
internal int ConnectNSecureIWbemServices(string path, ref IWbemServices pServices)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
if( null != scope )
{
status = WmiNetUtilsHelper.ConnectServerWmi_f(
path,
scope.Options.Username,
scope.Options.GetPassword(),
scope.Options.Locale,
scope.Options.Flags,
scope.Options.Authority,
scope.Options.GetContext(),
out pServices,
(int)scope.Options.Impersonation,
(int)scope.Options.Authentication);
}
return status;
}
}
internal class SecuredIWbemServicesHandler
{
private IWbemServices pWbemServiecsSecurityHelper;
private ManagementScope scope;
internal SecuredIWbemServicesHandler (ManagementScope theScope, IWbemServices pWbemServiecs)
{
this.scope = theScope;
pWbemServiecsSecurityHelper = pWbemServiecs;
}
internal int OpenNamespace_(string strNamespace, Int32 lFlags, ref IWbemServices ppWorkingNamespace, IntPtr ppCallResult)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_NOT_SUPPORTED;
//This should go through WMINET_utils layer and ppWorkingNamespace should be secured. See implementation of CreateInstanceEnum method.
return status;
}
internal int CancelAsyncCall_( IWbemObjectSink pSink)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
status = pWbemServiecsSecurityHelper.CancelAsyncCall_(pSink);
return status;
}
internal int QueryObjectSink_( Int32 lFlags, ref IWbemObjectSink ppResponseHandler)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
status = pWbemServiecsSecurityHelper.QueryObjectSink_(lFlags, out ppResponseHandler);
return status;
}
internal int GetObject_(string strObjectPath, Int32 lFlags, IWbemContext pCtx, ref IWbemClassObjectFreeThreaded ppObject, IntPtr ppCallResult)
{
//It is assumed that caller always passes ppCallResult as IntPtr.Zero.
//If it changes let this call go through wminet_utils.dll. Check implementation of CreateInstanceEnum_ for more information.
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
if( !Object.ReferenceEquals(ppCallResult, IntPtr.Zero) )
status = pWbemServiecsSecurityHelper.GetObject_(strObjectPath, lFlags, pCtx, out ppObject, ppCallResult);
return status;
}
internal int GetObjectAsync_(string strObjectPath, Int32 lFlags, IWbemContext pCtx, IWbemObjectSink pResponseHandler)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
status = pWbemServiecsSecurityHelper.GetObjectAsync_(strObjectPath, lFlags, pCtx, pResponseHandler);
return status;
}
internal int PutClass_(IWbemClassObjectFreeThreaded pObject, Int32 lFlags, IWbemContext pCtx, IntPtr ppCallResult)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
if( null != scope)
{
status = WmiNetUtilsHelper.PutClassWmi_f(pObject,
lFlags,
pCtx,
ppCallResult,
(int)scope.Options.Authentication,
(int)scope.Options.Impersonation,
pWbemServiecsSecurityHelper,
scope.Options.Username,
scope.Options.GetPassword(),
scope.Options.Authority);
}
return status;
}
internal int PutClassAsync_(IWbemClassObjectFreeThreaded pObject, Int32 lFlags, IWbemContext pCtx, IWbemObjectSink pResponseHandler)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
status = pWbemServiecsSecurityHelper.PutClassAsync_(pObject, lFlags,pCtx, pResponseHandler);
return status;
}
internal int DeleteClass_( string strClass, Int32 lFlags, IWbemContext pCtx, IntPtr ppCallResult)
{
//It is assumed that caller always passes ppCallResult as IntPtr.Zero.
//If it changes let this call go through wminet_utils.dll. Check implementation of CreateInstanceEnum_ for more information.
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
if( !Object.ReferenceEquals(ppCallResult, IntPtr.Zero) )
status = pWbemServiecsSecurityHelper.DeleteClass_(strClass, lFlags, pCtx, ppCallResult);
return status;
}
internal int DeleteClassAsync_(string strClass, Int32 lFlags, IWbemContext pCtx, IWbemObjectSink pResponseHandler)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
status = pWbemServiecsSecurityHelper.DeleteClassAsync_(strClass, lFlags, pCtx,pResponseHandler);
return status;
}
internal int CreateClassEnum_(string strSuperClass, Int32 lFlags, IWbemContext pCtx, ref IEnumWbemClassObject ppEnum)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
if( null != scope )
{
status = WmiNetUtilsHelper.CreateClassEnumWmi_f(strSuperClass,
lFlags,
pCtx,
out ppEnum,
(int)scope.Options.Authentication,
(int)scope.Options.Impersonation,
pWbemServiecsSecurityHelper,
scope.Options.Username,
scope.Options.GetPassword(),
scope.Options.Authority);
}
return status;
}
internal int CreateClassEnumAsync_(string strSuperClass, Int32 lFlags, IWbemContext pCtx, IWbemObjectSink pResponseHandler)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
status = pWbemServiecsSecurityHelper.CreateClassEnumAsync_(strSuperClass, lFlags, pCtx, pResponseHandler);
return status;
}
internal int PutInstance_( IWbemClassObjectFreeThreaded pInst, Int32 lFlags, IWbemContext pCtx, IntPtr ppCallResult)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
if( null != scope)
{
status = WmiNetUtilsHelper.PutInstanceWmi_f(pInst,
lFlags,
pCtx,
ppCallResult,
(int)scope.Options.Authentication,
(int)scope.Options.Impersonation,
pWbemServiecsSecurityHelper,
scope.Options.Username,
scope.Options.GetPassword(),
scope.Options.Authority);
}
return status;
}
internal int PutInstanceAsync_(IWbemClassObjectFreeThreaded pInst, Int32 lFlags, IWbemContext pCtx, IWbemObjectSink pResponseHandler)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
status = pWbemServiecsSecurityHelper.PutInstanceAsync_(pInst, lFlags, pCtx, pResponseHandler);
return status;
}
internal int DeleteInstance_(string strObjectPath, Int32 lFlags, IWbemContext pCtx, IntPtr ppCallResult)
{
//It is assumed that caller always passes ppCallResult as IntPtr.Zero.
//If it changes let this call go through wminet_utils.dll. Check implementation of CreateInstanceEnum_ for more information.
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
if( !Object.ReferenceEquals(ppCallResult, IntPtr.Zero) )
status = pWbemServiecsSecurityHelper.DeleteInstance_(strObjectPath, lFlags, pCtx, ppCallResult);
return status;
}
internal int DeleteInstanceAsync_(string strObjectPath, Int32 lFlags, IWbemContext pCtx, IWbemObjectSink pResponseHandler)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
status = pWbemServiecsSecurityHelper.DeleteInstanceAsync_(strObjectPath, lFlags, pCtx, pResponseHandler);
return status;
}
internal int CreateInstanceEnum_(string strFilter, Int32 lFlags, IWbemContext pCtx, ref IEnumWbemClassObject ppEnum)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
if( null != scope)
{
status = WmiNetUtilsHelper.CreateInstanceEnumWmi_f(strFilter,
lFlags,
pCtx,
out ppEnum,
(int)scope.Options.Authentication,
(int)scope.Options.Impersonation,
pWbemServiecsSecurityHelper,
scope.Options.Username,
scope.Options.GetPassword(),
scope.Options.Authority);
}
return status;
}
internal int CreateInstanceEnumAsync_(string strFilter, Int32 lFlags, IWbemContext pCtx, IWbemObjectSink pResponseHandler)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
status = pWbemServiecsSecurityHelper.CreateInstanceEnumAsync_(strFilter, lFlags, pCtx, pResponseHandler);
return status;
}
internal int ExecQuery_(string strQueryLanguage, string strQuery, Int32 lFlags, IWbemContext pCtx, ref IEnumWbemClassObject ppEnum)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
if( null != scope)
{
status = WmiNetUtilsHelper.ExecQueryWmi_f(strQueryLanguage,
strQuery,
lFlags,
pCtx,
out ppEnum,
(int)scope.Options.Authentication,
(int)scope.Options.Impersonation,
pWbemServiecsSecurityHelper,
scope.Options.Username,
scope.Options.GetPassword(),
scope.Options.Authority);
}
return status;
}
internal int ExecQueryAsync_(string strQueryLanguage, string strQuery, Int32 lFlags, IWbemContext pCtx, IWbemObjectSink pResponseHandler)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
status = pWbemServiecsSecurityHelper.ExecQueryAsync_(strQueryLanguage, strQuery, lFlags, pCtx, pResponseHandler);
return status;
}
internal int ExecNotificationQuery_(string strQueryLanguage, string strQuery, Int32 lFlags, IWbemContext pCtx, ref IEnumWbemClassObject ppEnum)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
if( null != scope)
{
status = WmiNetUtilsHelper.ExecNotificationQueryWmi_f(strQueryLanguage,
strQuery,
lFlags,
pCtx,
out ppEnum,
(int)scope.Options.Authentication,
(int)scope.Options.Impersonation,
pWbemServiecsSecurityHelper,
scope.Options.Username,
scope.Options.GetPassword(),
scope.Options.Authority);
}
return status;
}
internal int ExecNotificationQueryAsync_(string strQueryLanguage, string strQuery, Int32 lFlags, IWbemContext pCtx, IWbemObjectSink pResponseHandler)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
status = pWbemServiecsSecurityHelper.ExecNotificationQueryAsync_(strQueryLanguage, strQuery, lFlags, pCtx, pResponseHandler);
return status;
}
internal int ExecMethod_( string strObjectPath, string strMethodName, Int32 lFlags, IWbemContext pCtx, IWbemClassObjectFreeThreaded pInParams, ref IWbemClassObjectFreeThreaded ppOutParams, IntPtr ppCallResult)
{
//It is assumed that caller always passes ppCallResult as IntPtr.Zero.
//If it changes let this call go through wminet_utils.dll. Check implementation of CreateInstanceEnum_ for more information.
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
if( !Object.ReferenceEquals(ppCallResult, IntPtr.Zero) )
status = pWbemServiecsSecurityHelper.ExecMethod_(strObjectPath, strMethodName, lFlags, pCtx, pInParams, out ppOutParams, ppCallResult);
return status;
}
internal int ExecMethodAsync_(string strObjectPath, string strMethodName, Int32 lFlags, IWbemContext pCtx, IWbemClassObjectFreeThreaded pInParams, IWbemObjectSink pResponseHandler)
{
int status = (int)tag_WBEMSTATUS.WBEM_E_FAILED;
status = pWbemServiecsSecurityHelper.ExecMethodAsync_(strObjectPath, strMethodName, lFlags, pCtx, pInParams, pResponseHandler);
return status;
}
}
internal class SecurityHandler
{
private bool needToReset = false;
private IntPtr handle;
private ManagementScope scope;
internal SecurityHandler (ManagementScope theScope)
{
//Initialize();
this.scope = theScope;
if (null != scope)
{
if (scope.Options.EnablePrivileges)
{
WmiNetUtilsHelper.SetSecurity_f(ref needToReset, ref handle);
}
}
}
internal void Reset ()
{
if (needToReset)
{
needToReset = false;
if (null != scope)
{
WmiNetUtilsHelper.ResetSecurity_f ( handle);
}
}
}
internal void Secure (IWbemServices services)
{
if (null != scope)
{
IntPtr password = scope.Options.GetPassword();
int status = WmiNetUtilsHelper.BlessIWbemServices_f
(
services,
scope.Options.Username,
password,
scope.Options.Authority,
(int)scope.Options.Impersonation,
(int)scope.Options.Authentication
);
System.Runtime.InteropServices.Marshal.ZeroFreeBSTR(password);
if (status < 0)
{
Marshal.ThrowExceptionForHR(status);
}
}
}
internal void SecureIUnknown(object unknown)
{
// We use a hack to call BlessIWbemServices with an IUnknown instead of an IWbemServices
// In VNext, we should really change the implementation of WMINet_Utils.dll so that it has
// a method which explicitly takes an IUnknown. We rely on the fact that the implementation
// of BlessIWbemServices actually casts the first parameter to IUnknown before blessing
if (null != scope)
{
IntPtr password = scope.Options.GetPassword();
int status = WmiNetUtilsHelper.BlessIWbemServicesObject_f
(
unknown,
scope.Options.Username,
password,
scope.Options.Authority,
(int)scope.Options.Impersonation,
(int)scope.Options.Authentication
);
System.Runtime.InteropServices.Marshal.ZeroFreeBSTR(password);
if (status < 0)
{
Marshal.ThrowExceptionForHR(status);
}
}
}
} //SecurityHandler
///
/// Converts a String to a ManagementScope
///
class ManagementScopeConverter : ExpandableObjectConverter
{
///
/// Determines if this converter can convert an object in the given source type to the native type of the converter.
///
/// An ITypeDescriptorContext that provides a format context.
/// A Type that represents the type you wish to convert from.
///
/// true if this converter can perform the conversion; otherwise, false.
///
public override Boolean CanConvertFrom(ITypeDescriptorContext context, Type sourceType)
{
if ((sourceType == typeof(ManagementScope)))
{
return true;
}
return base.CanConvertFrom(context,sourceType);
}
///
/// Gets a value indicating whether this converter can convert an object to the given destination type using the context.
///
/// An ITypeDescriptorContext that provides a format context.
/// A Type that represents the type you wish to convert to.
///
/// true if this converter can perform the conversion; otherwise, false.
///
public override Boolean CanConvertTo(ITypeDescriptorContext context, Type destinationType)
{
if ((destinationType == typeof(InstanceDescriptor)))
{
return true;
}
return base.CanConvertTo(context,destinationType);
}
///
/// Converts the given object to another type. The most common types to convert
/// are to and from a string object. The default implementation will make a call
/// to ToString on the object if the object is valid and if the destination
/// type is string. If this cannot convert to the desitnation type, this will
/// throw a NotSupportedException.
///
/// An ITypeDescriptorContext that provides a format context.
/// A CultureInfo object. If a null reference (Nothing in Visual Basic) is passed, the current culture is assumed.
/// The Object to convert.
/// The Type to convert the value parameter to.
/// An Object that represents the converted value.
public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
{
if (destinationType == null)
{
throw new ArgumentNullException("destinationType");
}
if (value is ManagementScope && destinationType == typeof(InstanceDescriptor))
{
ManagementScope obj = ((ManagementScope)(value));
ConstructorInfo ctor = typeof(ManagementScope).GetConstructor(new Type[] {typeof(System.String)});
if (ctor != null)
{
return new InstanceDescriptor(ctor, new object[] {obj.Path.Path});
}
}
return base.ConvertTo(context,culture,value,destinationType);
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- ListBindingConverter.cs
- XmlHelper.cs
- PrintDocument.cs
- RubberbandSelector.cs
- CompressStream.cs
- ColorBlend.cs
- CodeEventReferenceExpression.cs
- NavigationHelper.cs
- SQLRoleProvider.cs
- FileSystemEventArgs.cs
- XmlCodeExporter.cs
- Console.cs
- PropertyTabAttribute.cs
- DotExpr.cs
- XamlGridLengthSerializer.cs
- ProtectedConfigurationSection.cs
- InputLanguage.cs
- AutomationIdentifier.cs
- XsltSettings.cs
- SBCSCodePageEncoding.cs
- externdll.cs
- ExpressionBinding.cs
- GroupItem.cs
- VisualStyleInformation.cs
- HiddenFieldPageStatePersister.cs
- OuterGlowBitmapEffect.cs
- ToolBarButtonDesigner.cs
- QilDataSource.cs
- DataBindingExpressionBuilder.cs
- TableDetailsRow.cs
- SerTrace.cs
- TargetConverter.cs
- StickyNoteContentControl.cs
- ConfigurationStrings.cs
- CodeCastExpression.cs
- TextSelection.cs
- Tracer.cs
- InternalPermissions.cs
- ThreadBehavior.cs
- PowerStatus.cs
- Border.cs
- CachedFontFace.cs
- ContentType.cs
- CodeChecksumPragma.cs
- DocumentViewerBase.cs
- Composition.cs
- AuthenticateEventArgs.cs
- ToolStripDropDownClosingEventArgs.cs
- ScriptBehaviorDescriptor.cs
- RadioButtonList.cs
- LinqDataSourceInsertEventArgs.cs
- DependencyObjectProvider.cs
- HostProtectionException.cs
- WebPartDesigner.cs
- XmlBufferReader.cs
- XPathAxisIterator.cs
- ScrollData.cs
- SessionStateModule.cs
- TypeReference.cs
- PackageController.cs
- XmlDocumentType.cs
- ConfigurationSettings.cs
- Pair.cs
- LazyTextWriterCreator.cs
- Grid.cs
- SizeFConverter.cs
- PropertyValueUIItem.cs
- cryptoapiTransform.cs
- CanonicalXml.cs
- MarkerProperties.cs
- HtmlElement.cs
- OletxCommittableTransaction.cs
- Brush.cs
- LogWriteRestartAreaState.cs
- SurrogateEncoder.cs
- GridViewUpdateEventArgs.cs
- HttpApplicationFactory.cs
- RequestResizeEvent.cs
- SqlLiftIndependentRowExpressions.cs
- DynamicPropertyReader.cs
- QueryableDataSourceEditData.cs
- AuthorizationRuleCollection.cs
- CardSpaceException.cs
- HttpPostedFile.cs
- PersistenceTypeAttribute.cs
- SQLInt32.cs
- ConfigurationElementProperty.cs
- DecoderBestFitFallback.cs
- _SecureChannel.cs
- SharedUtils.cs
- RowsCopiedEventArgs.cs
- DataTableNameHandler.cs
- Type.cs
- WebBrowserPermission.cs
- WebPartTransformerCollection.cs
- FactoryId.cs
- safemediahandle.cs
- PackageDigitalSignatureManager.cs
- ProxyHwnd.cs
- COM2ColorConverter.cs