WmiInstallComponent.cs source code in C# .NET

                        Code:
                         / WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / Tools / xws_reg / System / ServiceModel / Install / WmiInstallComponent.cs / 1 / WmiInstallComponent.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------------------------
namespace System.ServiceModel.Install
{ 
    using System.ComponentModel;
    using System.Globalization; 
    using System.IO; 
    using System.Management;
    using System.Security.AccessControl; 
    using System.Security.Principal;

    class WmiInstallComponent : ServiceModelInstallComponent
    { 
        const int WBEM_ENABLE = 0x1;
        const int WBEM_METHOD_EXECUTE = 0x2; 
        const int WBEM_FULL_WRITE_REP = 0x4; 
        const int WBEM_PARTIAL_WRITE_REP = 0x8;
        const int WBEM_WRITE_PROVIDER = 0x10; 
        const int WBEM_REMOTE_ACCESS = 0x20;
        const int READ_CONTROL = 0x20000;
        const int WRITE_DAC = 0x40000;
 
        static string toolPath;
 
        internal override string DisplayName 
        {
            get { return SR.GetString(SR.WmiComponentName); } 
        }

        protected override string InstallActionMessage
        { 
            get { return SR.GetString(SR.WmiComponentInstall); }
        } 
 
        internal override string[] InstalledVersions
        { 
            get
            {
                string[] result;
                if (this.IsInstalled) 
                {
                    result = new string[] { ServiceModelInstallStrings.LocalWmiNamespace }; 
                } 
                else
                { 
                    result = new string[] { };
                }
                return result;
            } 
        }
 
        internal override bool IsInstalled 
        {
            get 
            {
                bool result = false;
                try
                { 
                    ManagementScope scope = new ManagementScope(ServiceModelInstallStrings.LocalWmiNamespace);
                    scope.Connect(); 
                    result = true; 
                }
                catch (ManagementException) 
                {
                }
                catch (System.Runtime.InteropServices.COMException)
                { 
                }
                catch (TypeInitializationException) 
                { 
                }
                return result; 
            }
        }

        protected override string ReinstallActionMessage 
        {
            get { return SR.GetString(SR.WmiComponentReinstall); } 
        } 

        static string ToolPath 
        {
            get
            {
                if (String.IsNullOrEmpty(WmiInstallComponent.toolPath)) 
                {
                    WmiInstallComponent.toolPath = Path.Combine(Environment.SystemDirectory, @"wbem\mofcomp.exe"); 
                } 
                return WmiInstallComponent.toolPath;
            } 
        }

        protected override string UninstallActionMessage
        { 
            get { return SR.GetString(SR.WmiComponentUninstall); }
        } 
 
        internal override void Install(OutputLevel outputLevel)
        { 
            if (this.IsInstalled)
            {
                EventLogger.LogWarning(SR.GetString(SR.WmiComponentAlreadyExists),
                    (OutputLevel.Verbose == outputLevel)); 
            }
            else 
            { 
                this.OnInstall(outputLevel);
            } 
        }

        void OnInstall(OutputLevel outputLevel)
        { 
            string mofPath = Path.Combine(InstallHelper.GetWcfRuntimeInstallPath(),
                "ServiceModel.mof"); 
            string parameters = String.Format(CultureInfo.CurrentCulture, "\"{0}\"", mofPath); 
            Exception exception = null;
            try 
            {
                InstallHelper.ExecuteWait(ToolPath, parameters);
            }
            catch (ApplicationException e) 
            {
                exception = e; 
            } 
            catch (FileNotFoundException e)
            { 
                exception = e;
            }
            catch (Win32Exception e)
            { 
                exception = e;
            } 
 
            if (null != exception)
            { 
                EventLogger.LogWarning(SR.GetString(SR.ProgramExecutionFailed, ToolPath, parameters, exception),
                    (OutputLevel.Normal == outputLevel));
            }
 
            ApplyNamespaceDacl(outputLevel);
        } 
 
        internal override void Reinstall(OutputLevel outputLevel)
        { 
            if (OutputLevel.Quiet != outputLevel)
            {
                EventLogger.LogToConsole(SR.GetString(SR.RepairMessage, this.DisplayName));
            } 

            EventLogger.WriteMsiStyleLogEntry(SR.GetString(SR.RepairMessage, this.DisplayName)); 
 
            this.OnInstall(outputLevel);
        } 

        internal override void Uninstall(OutputLevel outputLevel)
        {
            if (!this.IsInstalled) 
            {
                EventLogger.LogWarning(SR.GetString(SR.WmiComponentNotInstalled), 
                    (OutputLevel.Verbose == outputLevel)); 
            }
            else 
            {
                string mofPath = Path.Combine(InstallHelper.GetWcfRuntimeInstallPath(),
                    "ServiceModel.mof.uninstall");
                InstallHelper.TryExecuteWait(outputLevel, ToolPath, String.Format(CultureInfo.CurrentCulture, "\"{0}\"", mofPath)); 
            }
        } 
 
        internal override InstallationState VerifyInstall()
        { 
            return this.IsInstalled ? InstallationState.InstalledDefaults : InstallationState.NotInstalled;
        }

        void ApplyNamespaceDacl(OutputLevel outputLevel) 
        {
            if (!this.IsInstalled) 
            { 
                EventLogger.LogError(SR.GetString(SR.WmiComponentNotInstalled));
            } 
            else
            {
                ManagementObject systemSecurity = null;
                try 
                {
                    systemSecurity = new ManagementObject(ServiceModelInstallStrings.LocalWmiNamespace + ":__SystemSecurity=@"); 
 
                    object[] result = new object[1];
                    result[0] = null; 
                    systemSecurity.InvokeMethod("GetSD", result);
                    byte[] bytes = result[0] as byte[];
                    if (null != bytes)
                    { 
                        RawSecurityDescriptor exisingSD = new RawSecurityDescriptor(bytes, 0);
 
                        RawAcl dacl = exisingSD.DiscretionaryAcl; 

                        for (int i = dacl.Count - 1; i >= 0; i--) 
                        {
                            dacl.RemoveAce(i);
                        }
 
                        SecurityIdentifier sidAdministrators = new SecurityIdentifier(WellKnownSidType.BuiltinAdministratorsSid, null);
                        exisingSD.Owner = sidAdministrators; 
                        CommonAce adminAce = new CommonAce( 
                            AceFlags.ContainerInherit,
                            AceQualifier.AccessAllowed, 
                            WBEM_ENABLE
                                | WBEM_METHOD_EXECUTE
                                | WBEM_FULL_WRITE_REP
                                | WBEM_WRITE_PROVIDER 
                                | WBEM_PARTIAL_WRITE_REP
                                | WBEM_REMOTE_ACCESS 
                                | READ_CONTROL 
                                | WRITE_DAC,
                            sidAdministrators, 
                            false,
                            null);

                        SecurityIdentifier sidNetworkService = new SecurityIdentifier(WellKnownSidType.NetworkServiceSid, null); 
                        CommonAce networkSerivceAce = new CommonAce(
                            AceFlags.ContainerInherit, AceQualifier.AccessAllowed, 
                            WBEM_ENABLE, 
                            sidNetworkService, false, null);
 
                        SecurityIdentifier sidLocalService = new SecurityIdentifier(WellKnownSidType.LocalServiceSid, null);
                        CommonAce localServiceAce = new CommonAce(
                            AceFlags.ContainerInherit, AceQualifier.AccessAllowed,
                            WBEM_ENABLE, 
                            sidLocalService, false, null);
 
                        int aceIndex = 0; 
                        dacl.InsertAce(aceIndex++, adminAce);
                        dacl.InsertAce(aceIndex++, networkSerivceAce); 
                        dacl.InsertAce(aceIndex++, localServiceAce);

                        NTAccount ntAccount = new NTAccount(Environment.MachineName, "ASPNET");
                        try 
                        {
                            SecurityIdentifier sidAspNet = (SecurityIdentifier)ntAccount.Translate(typeof(SecurityIdentifier)); 
                            CommonAce aspNetAce = new CommonAce( 
                                AceFlags.ContainerInherit, AceQualifier.AccessAllowed,
                                WBEM_ENABLE, 
                                sidAspNet, false, null);

                            dacl.InsertAce(aceIndex++, aspNetAce);
 
                            using (ManagementObject wmiProvider = new ManagementObject(String.Format(CultureInfo.InvariantCulture, "{0}:__Win32Provider.Name=\"{1}\"", ServiceModelInstallStrings.LocalWmiNamespace, ServiceModelInstallStrings.ServiceModel)))
                            { 
                                wmiProvider["SecurityDescriptor"] = String.Format(CultureInfo.InvariantCulture, "O:BAG:BAD:(A;;0x1;;;BA)(A;;0x1;;;NS)(A;;0x1;;;LS)(A;;0x1;;;{0})", sidAspNet); 
                                wmiProvider.Put();
                            } 
                        }
                        catch (IdentityNotMappedException)
                        {
                            EventLogger.LogInformation(SR.GetString(SR.WmiAspNetAccountNotFound), 
                                (OutputLevel.Verbose == outputLevel));
                        } 
                        catch (ManagementException e) 
                        {
                            EventLogger.LogError(SR.GetString(SR.WmiComponentFailedToApplyProviderSecurity, e)); 
                        }


                        exisingSD.DiscretionaryAcl = dacl; 
                        exisingSD.SetFlags(exisingSD.ControlFlags | ControlFlags.DiscretionaryAclProtected);
                        byte[] outbuff = new byte[exisingSD.BinaryLength]; 
                        exisingSD.GetBinaryForm(outbuff, 0); 
                        result[0] = outbuff;
                        systemSecurity.InvokeMethod("SetSD", result); 
                    }
                }
                catch (ManagementException e)
                { 
                    EventLogger.LogError(SR.GetString(SR.WmiComponentFailedToApplyNamespaceSecurity, e));
                } 
                catch (System.Runtime.InteropServices.COMException e) 
                {
                    EventLogger.LogError(SR.GetString(SR.WmiComponentFailedToApplyNamespaceSecurity, e)); 
                }
                catch (TypeInitializationException e)
                {
                    EventLogger.LogError(SR.GetString(SR.WmiComponentFailedToApplyNamespaceSecurity, e)); 
                }
                finally 
                { 
                    if (null != systemSecurity)
                    { 
                        systemSecurity.Dispose();
                    }
                }
            } 
        }
    } 
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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WmiInstallComponent.cs source code in C# .NET

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