bin/projects/dbatools/dbatools/Connection/ManagementConnection.cs
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using System;
using System.Collections.Generic; using System.Management.Automation; using Microsoft.Management.Infrastructure; using Microsoft.Management.Infrastructure.Options; namespace Sqlcollaborative.Dbatools.Connection { /// <summary> /// Contains management connection information for a windows server /// </summary> [Serializable] public class ManagementConnection { /// <summary> /// The computer to connect to /// </summary> public string ComputerName { get; set; } #region Configuration /// <summary> /// Locally disables the caching of bad credentials /// </summary> public bool DisableBadCredentialCache { get { switch (_disableBadCredentialCache) { case -1: return false; case 1: return true; default: return ConnectionHost.DisableBadCredentialCache; } } set { _disableBadCredentialCache = value ? 1 : -1; } } private int _disableBadCredentialCache; /// <summary> /// Locally disables the caching of working credentials /// </summary> public bool DisableCredentialAutoRegister { get { switch (_disableCredentialAutoRegister) { case -1: return false; case 1: return true; default: return ConnectionHost.DisableCredentialAutoRegister; } } set { _disableCredentialAutoRegister = value ? 1 : -1; } } private int _disableCredentialAutoRegister; /// <summary> /// Locally overrides explicit credentials with working ones that were cached /// </summary> public bool OverrideExplicitCredential { get { switch (_overrideExplicitCredential) { case -1: return false; case 1: return true; default: return ConnectionHost.OverrideExplicitCredential; } } set { _overrideExplicitCredential = value ? 1 : -1; } } private int _overrideExplicitCredential; /// <summary> /// Locally enables automatic failover to working credentials, when passed credentials either are known, or turn out to not work. /// </summary> public bool EnableCredentialFailover { get { switch (_enableCredentialFailover) { case -1: return false; case 1: return true; default: return ConnectionHost.EnableCredentialFailover; } } set { _enableCredentialFailover = value ? 1 : -1; } } private int _enableCredentialFailover; /// <summary> /// Locally disables the persistence of Cim sessions used to connect to a target system. /// </summary> public bool DisableCimPersistence { get { switch (_disableCimPersistence) { case -1: return false; case 1: return true; default: return ConnectionHost.DisableCimPersistence; } } set { _disableCimPersistence = value ? 1 : -1; } } private int _disableCimPersistence; /// <summary> /// Connectiontypes that will never be used /// </summary> public ManagementConnectionType DisabledConnectionTypes { get { ManagementConnectionType temp = ManagementConnectionType.None; if (CimRM == ManagementConnectionProtocolState.Disabled) { temp = temp | ManagementConnectionType.CimRM; } if (CimDCOM == ManagementConnectionProtocolState.Disabled) { temp = temp | ManagementConnectionType.CimDCOM; } if (Wmi == ManagementConnectionProtocolState.Disabled) { temp = temp | ManagementConnectionType.Wmi; } if (PowerShellRemoting == ManagementConnectionProtocolState.Disabled) { temp = temp | ManagementConnectionType.PowerShellRemoting; } return temp; } set { if ((value & ManagementConnectionType.CimRM) != 0) { CimRM = ManagementConnectionProtocolState.Disabled; } else if ((CimRM & ManagementConnectionProtocolState.Disabled) != 0) { CimRM = ManagementConnectionProtocolState.Unknown; } if ((value & ManagementConnectionType.CimDCOM) != 0) { CimDCOM = ManagementConnectionProtocolState.Disabled; } else if ((CimDCOM & ManagementConnectionProtocolState.Disabled) != 0) { CimDCOM = ManagementConnectionProtocolState.Unknown; } if ((value & ManagementConnectionType.Wmi) != 0) { Wmi = ManagementConnectionProtocolState.Disabled; } else if ((Wmi & ManagementConnectionProtocolState.Disabled) != 0) { Wmi = ManagementConnectionProtocolState.Unknown; } if ((value & ManagementConnectionType.PowerShellRemoting) != 0) { PowerShellRemoting = ManagementConnectionProtocolState.Disabled; } else if ((PowerShellRemoting & ManagementConnectionProtocolState.Disabled) != 0) { PowerShellRemoting = ManagementConnectionProtocolState.Unknown; } } } /// <summary> /// Restores all deviations from public policy back to default /// </summary> public void RestoreDefaultConfiguration() { _disableBadCredentialCache = 0; _disableCredentialAutoRegister = 0; _overrideExplicitCredential = 0; _disableCimPersistence = 0; _enableCredentialFailover = 0; OverrideConnectionPolicy = false; } #endregion Configuration #region Connection Stats /// <summary> /// Whether this connection adhers to the global connection lockdowns or not /// </summary> public bool OverrideConnectionPolicy = false; /// <summary> /// Did the last connection attempt using CimRM work? /// </summary> public ManagementConnectionProtocolState CimRM { get { if (!OverrideConnectionPolicy && ConnectionHost.DisableConnectionCimRM) return ManagementConnectionProtocolState.Disabled; else return _CimRM; } set { _CimRM = value; } } private ManagementConnectionProtocolState _CimRM = ManagementConnectionProtocolState.Unknown; /// <summary> /// When was the last connection attempt using CimRM? /// </summary> public DateTime LastCimRM; /// <summary> /// Did the last connection attempt using CimDCOM work? /// </summary> public ManagementConnectionProtocolState CimDCOM { get { if (!OverrideConnectionPolicy && ConnectionHost.DisableConnectionCimDCOM) return ManagementConnectionProtocolState.Disabled; else return _CimDCOM; } set { _CimDCOM = value; } } private ManagementConnectionProtocolState _CimDCOM = ManagementConnectionProtocolState.Unknown; /// <summary> /// When was the last connection attempt using CimRM? /// </summary> public DateTime LastCimDCOM; /// <summary> /// Did the last connection attempt using Wmi work? /// </summary> public ManagementConnectionProtocolState Wmi { get { if (!OverrideConnectionPolicy && ConnectionHost.DisableConnectionWMI) return ManagementConnectionProtocolState.Disabled; else return _Wmi; } set { _Wmi = value; } } private ManagementConnectionProtocolState _Wmi = ManagementConnectionProtocolState.Unknown; /// <summary> /// When was the last connection attempt using CimRM? /// </summary> public DateTime LastWmi; /// <summary> /// Did the last connection attempt using PowerShellRemoting work? /// </summary> public ManagementConnectionProtocolState PowerShellRemoting { get { if (!OverrideConnectionPolicy && ConnectionHost.DisableConnectionPowerShellRemoting) return ManagementConnectionProtocolState.Disabled; else return _PowerShellRemoting; } set { _PowerShellRemoting = value; } } private ManagementConnectionProtocolState _PowerShellRemoting = ManagementConnectionProtocolState.Unknown; /// <summary> /// When was the last connection attempt using CimRM? /// </summary> public DateTime LastPowerShellRemoting; /// <summary> /// Report the successful connection against the computer of this connection /// </summary> /// <param name="Type">What connection type succeeded?</param> public void ReportSuccess(ManagementConnectionType Type) { switch (Type) { case ManagementConnectionType.CimRM: CimRM = ManagementConnectionProtocolState.Success; LastCimRM = DateTime.Now; break; case ManagementConnectionType.CimDCOM: CimDCOM = ManagementConnectionProtocolState.Success; LastCimDCOM = DateTime.Now; break; case ManagementConnectionType.Wmi: Wmi = ManagementConnectionProtocolState.Success; LastWmi = DateTime.Now; break; case ManagementConnectionType.PowerShellRemoting: PowerShellRemoting = ManagementConnectionProtocolState.Success; LastPowerShellRemoting = DateTime.Now; break; } } /// <summary> /// Report the failure of connecting to the target computer /// </summary> /// <param name="Type">What connection type failed?</param> public void ReportFailure(ManagementConnectionType Type) { switch (Type) { case ManagementConnectionType.CimRM: CimRM = ManagementConnectionProtocolState.Error; LastCimRM = DateTime.Now; break; case ManagementConnectionType.CimDCOM: CimDCOM = ManagementConnectionProtocolState.Error; LastCimDCOM = DateTime.Now; break; case ManagementConnectionType.Wmi: Wmi = ManagementConnectionProtocolState.Error; LastWmi = DateTime.Now; break; case ManagementConnectionType.PowerShellRemoting: PowerShellRemoting = ManagementConnectionProtocolState.Error; LastPowerShellRemoting = DateTime.Now; break; } } #endregion Connection Stats #region Credential Management /// <summary> /// Any registered credentials to use on the connection. /// </summary> public PSCredential Credentials; /// <summary> /// Whether the default windows credentials are known to not work against the target. /// </summary> public bool WindowsCredentialsAreBad; /// <summary> /// Whether windows credentials are known to be good. Do not build conditions on them being false, just on true. /// </summary> public bool UseWindowsCredentials; /// <summary> /// Credentials known to not work. They will not be used when specified. /// </summary> public List<PSCredential> KnownBadCredentials = new List<PSCredential>(); /// <summary> /// Adds a credentials object to the list of credentials known to not work. /// </summary> /// <param name="Credential">The bad credential that must be punished</param> public void AddBadCredential(PSCredential Credential) { if (DisableBadCredentialCache) return; if (Credential == null) { WindowsCredentialsAreBad = true; UseWindowsCredentials = false; return; } // If previously good credentials have been revoked, better remove them from the list if ((Credentials != null) && (Credentials.UserName.ToLower() == Credential.UserName.ToLower())) { if (Credentials.GetNetworkCredential().Password == Credential.GetNetworkCredential().Password) Credentials = null; } foreach (PSCredential cred in KnownBadCredentials) { if (cred.UserName.ToLower() == Credential.UserName.ToLower()) { if (cred.GetNetworkCredential().Password == Credential.GetNetworkCredential().Password) return; } } KnownBadCredentials.Add(Credential); } /// <summary> /// Reports a credentials object as being legit. /// </summary> /// <param name="Credential">The functioning credential that we may want to use again</param> public void AddGoodCredential(PSCredential Credential) { if (!DisableCredentialAutoRegister) { Credentials = Credential; if (Credential == null) { UseWindowsCredentials = true; } } } /// <summary> /// Calculates, which credentials to use. Will consider input, compare it with know not-working credentials or use the configured working credentials for that. /// </summary> /// <param name="Credential">Any credential object a user may have explicitly specified.</param> /// <returns>The Credentials to use</returns> public PSCredential GetCredential(PSCredential Credential) { // If nothing was bound, return whatever is available // If something was bound, however explicit override is in effect AND either we have a good credential OR know Windows Credentials are good to use, use the cached credential // Without the additional logic conditions, OverrideExplicitCredential would override all input, even if we haven't found a working credential yet. if (OverrideExplicitCredential && (UseWindowsCredentials || (Credentials != null))) { return Credentials; } // Handle Windows authentication if (Credential == null) { if (WindowsCredentialsAreBad) { if (EnableCredentialFailover && (Credentials != null)) return Credentials; throw new PSArgumentException("Windows authentication was used, but is known to not work!", "Credential"); } return null; } // Compare with bad credential cache if (!DisableBadCredentialCache) { foreach (PSCredential cred in KnownBadCredentials) { if (cred.UserName.ToLower() == Credential.UserName.ToLower()) { if (cred.GetNetworkCredential().Password == Credential.GetNetworkCredential().Password) { if (EnableCredentialFailover) { if ((Credentials != null) || !WindowsCredentialsAreBad) return Credentials; throw new PSArgumentException( "Specified credentials are known to not work! Credential failover is enabled but there are no known working credentials.", "Credential"); } throw new PSArgumentException("Specified credentials are known to not work!", "Credential"); } } } } // Return unknown credential, so it may be tried out return Credential; } /// <summary> /// Tests whether the input credential is on the list known, bad credentials /// </summary> /// <param name="Credential">The credential to test</param> /// <returns>True if the credential is known to not work, False if it is not yet known to not work</returns> public bool IsBadCredential(PSCredential Credential) { if (Credential == null) { return WindowsCredentialsAreBad; } foreach (PSCredential cred in KnownBadCredentials) { if (cred.UserName.ToLower() == Credential.UserName.ToLower()) { if (cred.GetNetworkCredential().Password == Credential.GetNetworkCredential().Password) return true; } } return false; } /// <summary> /// Removes an item from the list of known bad credentials /// </summary> /// <param name="Credential">The credential to remove</param> public void RemoveBadCredential(PSCredential Credential) { if (Credential == null) { return; } foreach (PSCredential cred in KnownBadCredentials) { if (cred.UserName.ToLower() == Credential.UserName.ToLower()) { if (cred.GetNetworkCredential().Password == Credential.GetNetworkCredential().Password) { KnownBadCredentials.Remove(cred); } } } } #endregion Credential Management #region Connection Types /// <summary> /// Returns the next connection type to try. /// </summary> /// <param name="ExcludedTypes">Exclude any type already tried and failed</param> /// <param name="Force">Overrides the timeout on bad connections</param> /// <returns>The next type to try.</returns> public ManagementConnectionType GetConnectionType(ManagementConnectionType ExcludedTypes, bool Force) { ManagementConnectionType temp = ExcludedTypes | DisabledConnectionTypes; #region Use working connections first if (((ManagementConnectionType.CimRM & temp) == 0) && ((CimRM & ManagementConnectionProtocolState.Success) != 0)) return ManagementConnectionType.CimRM; if (((ManagementConnectionType.CimDCOM & temp) == 0) && ((CimDCOM & ManagementConnectionProtocolState.Success) != 0)) return ManagementConnectionType.CimDCOM; if (((ManagementConnectionType.Wmi & temp) == 0) && ((Wmi & ManagementConnectionProtocolState.Success) != 0)) return ManagementConnectionType.Wmi; if (((ManagementConnectionType.PowerShellRemoting & temp) == 0) && ((PowerShellRemoting & ManagementConnectionProtocolState.Success) != 0)) return ManagementConnectionType.PowerShellRemoting; #endregion Use working connections first #region Then prefer unknown connections if (((ManagementConnectionType.CimRM & temp) == 0) && ((CimRM & ManagementConnectionProtocolState.Unknown) != 0)) return ManagementConnectionType.CimRM; if (((ManagementConnectionType.CimDCOM & temp) == 0) && ((CimDCOM & ManagementConnectionProtocolState.Unknown) != 0)) return ManagementConnectionType.CimDCOM; if (((ManagementConnectionType.Wmi & temp) == 0) && ((Wmi & ManagementConnectionProtocolState.Unknown) != 0)) return ManagementConnectionType.Wmi; if (((ManagementConnectionType.PowerShellRemoting & temp) == 0) && ((PowerShellRemoting & ManagementConnectionProtocolState.Unknown) != 0)) return ManagementConnectionType.PowerShellRemoting; #endregion Then prefer unknown connections #region Finally try what would not work previously if (((ManagementConnectionType.CimRM & temp) == 0) && ((CimRM & ManagementConnectionProtocolState.Error) != 0) && ((LastCimRM + ConnectionHost.BadConnectionTimeout < DateTime.Now) | Force)) return ManagementConnectionType.CimRM; if (((ManagementConnectionType.CimDCOM & temp) == 0) && ((CimDCOM & ManagementConnectionProtocolState.Error) != 0) && ((LastCimDCOM + ConnectionHost.BadConnectionTimeout < DateTime.Now) | Force)) return ManagementConnectionType.CimDCOM; if (((ManagementConnectionType.Wmi & temp) == 0) && ((Wmi & ManagementConnectionProtocolState.Error) != 0) && ((LastWmi + ConnectionHost.BadConnectionTimeout < DateTime.Now) | Force)) return ManagementConnectionType.Wmi; if (((ManagementConnectionType.PowerShellRemoting & temp) == 0) && ((PowerShellRemoting & ManagementConnectionProtocolState.Error) != 0) && ((LastPowerShellRemoting + ConnectionHost.BadConnectionTimeout < DateTime.Now) | Force)) return ManagementConnectionType.PowerShellRemoting; #endregion Finally try what would not work previously // Do not try to use disabled protocols throw new PSInvalidOperationException("No connectiontypes left to try."); } /// <summary> /// Returns a list of all available connection types whose inherent timeout has expired. /// </summary> /// <param name="Timestamp">All last connection failures older than this point in time are considered to be expired</param> /// <returns>A list of all valid connection types</returns> public List<ManagementConnectionType> GetConnectionTypesTimed(DateTime Timestamp) { List<ManagementConnectionType> types = new List<ManagementConnectionType>(); if (((DisabledConnectionTypes & ManagementConnectionType.CimRM) == 0) && ((CimRM == ManagementConnectionProtocolState.Success) || (LastCimRM < Timestamp))) types.Add(ManagementConnectionType.CimRM); if (((DisabledConnectionTypes & ManagementConnectionType.CimDCOM) == 0) && ((CimDCOM == ManagementConnectionProtocolState.Success) || (LastCimDCOM < Timestamp))) types.Add(ManagementConnectionType.CimDCOM); if (((DisabledConnectionTypes & ManagementConnectionType.Wmi) == 0) && ((Wmi == ManagementConnectionProtocolState.Success) || (LastWmi < Timestamp))) types.Add(ManagementConnectionType.Wmi); if (((DisabledConnectionTypes & ManagementConnectionType.PowerShellRemoting) == 0) && ((PowerShellRemoting == ManagementConnectionProtocolState.Success) || (LastPowerShellRemoting < Timestamp))) types.Add(ManagementConnectionType.PowerShellRemoting); return types; } /// <summary> /// Returns a list of all available connection types whose inherent timeout has expired. /// </summary> /// <param name="Timespan">All last connection failures older than this far back into the past are considered to be expired</param> /// <returns>A list of all valid connection types</returns> public List<ManagementConnectionType> GetConnectionTypesTimed(TimeSpan Timespan) { return GetConnectionTypesTimed(DateTime.Now - Timespan); } #endregion Connection Types #region Internals internal void CopyTo(ManagementConnection Connection) { Connection.ComputerName = ComputerName; Connection.CimRM = CimRM; Connection.LastCimRM = LastCimRM; Connection.CimDCOM = CimDCOM; Connection.LastCimDCOM = LastCimDCOM; Connection.Wmi = Wmi; Connection.LastWmi = LastWmi; Connection.PowerShellRemoting = PowerShellRemoting; Connection.LastPowerShellRemoting = LastPowerShellRemoting; Connection.Credentials = Credentials; Connection.OverrideExplicitCredential = OverrideExplicitCredential; Connection.KnownBadCredentials = KnownBadCredentials; Connection.WindowsCredentialsAreBad = WindowsCredentialsAreBad; } #endregion Internals #region Constructors /// <summary> /// Creates a new, empty connection object. Necessary for serialization. /// </summary> public ManagementConnection() { } /// <summary> /// Creates a new default connection object, containing only its computer's name and default results. /// </summary> /// <param name="ComputerName">The computer targeted. Will be forced to lowercase.</param> public ManagementConnection(string ComputerName) { this.ComputerName = ComputerName.ToLower(); if (Utility.Validation.IsLocalhost(ComputerName)) CimRM = ManagementConnectionProtocolState.Disabled; } #endregion Constructors #region CIM Execution #region WinRM /// <summary> /// The options ot use when establishing a CIM Session /// </summary> public WSManSessionOptions CimWinRMOptions { get { if (_CimWinRMOptions == null) { return null; } return new WSManSessionOptions(_CimWinRMOptions); } set { cimWinRMSession = null; _CimWinRMOptions = value; } } private WSManSessionOptions _CimWinRMOptions; private CimSession cimWinRMSession; private PSCredential cimWinRMSessionLastCredential; private CimSession GetCimWinRMSession(PSCredential Credential) { // Prepare the last session if any CimSession tempSession = cimWinRMSession; // If we use different credentials than last time, now's the time to interrupt if (!(cimWinRMSessionLastCredential == null && Credential == null)) { if (cimWinRMSessionLastCredential == null || Credential == null) tempSession = null; else if (cimWinRMSessionLastCredential.UserName != Credential.UserName) tempSession = null; else if (cimWinRMSessionLastCredential.GetNetworkCredential().Password != Credential.GetNetworkCredential().Password) tempSession = null; } if (tempSession == null) { WSManSessionOptions options; if (CimWinRMOptions == null) { options = GetDefaultCimWsmanOptions(); } else { options = CimWinRMOptions; } if (Credential != null) { options.AddDestinationCredentials(new CimCredential(PasswordAuthenticationMechanism.Default, Credential.GetNetworkCredential().Domain, Credential.GetNetworkCredential().UserName, Credential.Password)); } try { tempSession = CimSession.Create(ComputerName, options); } catch (Exception e) { bool testBadCredential = false; try { string tempMessageId = ((CimException) (e.InnerException)).MessageId; if (tempMessageId == "HRESULT 0x8007052e") testBadCredential = true; else if (tempMessageId == "HRESULT 0x80070005") testBadCredential = true; } catch { } if (testBadCredential) { throw new UnauthorizedAccessException("Invalid credentials!", e); } throw; } cimWinRMSessionLastCredential = Credential; } return tempSession; } /// <summary> /// Returns the default wsman options object /// </summary> /// <returns>Something very default-y</returns> private WSManSessionOptions GetDefaultCimWsmanOptions() { WSManSessionOptions options = new WSManSessionOptions(); options.DestinationPort = 0; options.MaxEnvelopeSize = 0; options.CertCACheck = true; options.CertCNCheck = true; options.CertRevocationCheck = true; options.UseSsl = false; options.PacketEncoding = PacketEncoding.Utf8; options.NoEncryption = false; options.EncodePortInServicePrincipalName = false; return options; } /// <summary> /// Get all cim instances of the appropriate class using WinRM /// </summary> /// <param name="Credential">The credentiuls to use for the connection.</param> /// <param name="Class">The class to query.</param> /// <param name="Namespace">The namespace to look in (defaults to root\cimv2).</param> /// <returns>Hopefully a mountainload of CimInstances</returns> public object GetCimRMInstance(PSCredential Credential, string Class, string Namespace = @"root\cimv2") { CimSession tempSession; IEnumerable<CimInstance> result; tempSession = GetCimWinRMSession(Credential); result = tempSession.EnumerateInstances(Namespace, Class); if (DisableCimPersistence) { try { tempSession.Close(); } catch { } cimWinRMSession = null; } else { cimWinRMSession = tempSession; } return result; } /// <summary> /// Get all cim instances matching the query using WinRM /// </summary> /// <param name="Credential">The credentiuls to use for the connection.</param> /// <param name="Query">The query to use requesting information.</param> /// <param name="Dialect">Defaults to WQL.</param> /// <param name="Namespace">The namespace to look in (defaults to root\cimv2).</param> /// <returns></returns> public object QueryCimRMInstance(PSCredential Credential, string Query, string Dialect = "WQL", string Namespace = @"root\cimv2") { CimSession tempSession; IEnumerable<CimInstance> result = new List<CimInstance>(); try { tempSession = GetCimWinRMSession(Credential); result = tempSession.QueryInstances(Namespace, Dialect, Query); result.GetEnumerator().MoveNext(); } catch (Exception e) { bool testBadCredential = false; try { string tempMessageId = ((CimException) e).MessageId; if (tempMessageId == "HRESULT 0x8007052e") testBadCredential = true; else if (tempMessageId == "HRESULT 0x80070005") testBadCredential = true; } catch { } if (testBadCredential) { throw new UnauthorizedAccessException("Invalid credentials!", e); } throw; } if (DisableCimPersistence) { try { tempSession.Close(); } catch { } cimWinRMSession = null; } else { if (cimWinRMSession != tempSession) cimWinRMSession = tempSession; } return result; } #endregion WinRM #region DCOM /// <summary> /// The options ot use when establishing a CIM Session /// </summary> public DComSessionOptions CimDComOptions { get { if (_CimDComOptions == null) { return null; } DComSessionOptions options = new DComSessionOptions(); options.PacketPrivacy = _CimDComOptions.PacketPrivacy; options.PacketIntegrity = _CimDComOptions.PacketIntegrity; options.Impersonation = _CimDComOptions.Impersonation; return options; } set { _CimDComOptions = null; _CimDComOptions = value; } } private DComSessionOptions _CimDComOptions; private CimSession cimDComSession; private PSCredential cimDComSessionLastCredential; private CimSession GetCimDComSession(PSCredential Credential) { // Prepare the last session if any CimSession tempSession = cimDComSession; // If we use different credentials than last time, now's the time to interrupt if (!(cimDComSessionLastCredential == null && Credential == null)) { if (cimDComSessionLastCredential == null || Credential == null) tempSession = null; else if (cimDComSessionLastCredential.UserName != Credential.UserName) tempSession = null; else if (cimDComSessionLastCredential.GetNetworkCredential().Password != Credential.GetNetworkCredential().Password) tempSession = null; } if (tempSession == null) { DComSessionOptions options = null; if (CimWinRMOptions == null) { options = GetDefaultCimDcomOptions(); } else { options = CimDComOptions; } if (Credential != null) { options.AddDestinationCredentials(new CimCredential(PasswordAuthenticationMechanism.Default, Credential.GetNetworkCredential().Domain, Credential.GetNetworkCredential().UserName, Credential.Password)); } try { tempSession = CimSession.Create(ComputerName, options); } catch (Exception e) { bool testBadCredential = false; try { string tempMessageId = ((CimException) (e.InnerException)).MessageId; if (tempMessageId == "HRESULT 0x8007052e") testBadCredential = true; else if (tempMessageId == "HRESULT 0x80070005") testBadCredential = true; } catch { } if (testBadCredential) { throw new UnauthorizedAccessException("Invalid credentials!", e); } throw; } cimDComSessionLastCredential = Credential; } return tempSession; } /// <summary> /// Returns the default DCom options object /// </summary> /// <returns>Something very default-y</returns> private DComSessionOptions GetDefaultCimDcomOptions() { DComSessionOptions options = new DComSessionOptions(); options.PacketPrivacy = true; options.PacketIntegrity = true; options.Impersonation = ImpersonationType.Impersonate; return options; } /// <summary> /// Get all cim instances of the appropriate class using DCOM /// </summary> /// <param name="Credential">The credentiuls to use for the connection.</param> /// <param name="Class">The class to query</param> /// <param name="Namespace">The namespace to look in (defaults to root\cimv2)</param> /// <returns>Hopefully a mountainload of CimInstances</returns> public object GetCimDComInstance(PSCredential Credential, string Class, string Namespace = @"root\cimv2") { CimSession tempSession; IEnumerable<CimInstance> result = new List<CimInstance>(); tempSession = GetCimDComSession(Credential); result = tempSession.EnumerateInstances(Namespace, Class); if (DisableCimPersistence) { try { tempSession.Close(); } catch { } cimDComSession = null; } else { if (cimDComSession != tempSession) cimDComSession = tempSession; } return result; } /// <summary> /// Get all cim instances matching the query using DCOM /// </summary> /// <param name="Credential">The credentiuls to use for the connection.</param> /// <param name="Query">The query to use requesting information.</param> /// <param name="Dialect">Defaults to WQL.</param> /// <param name="Namespace">The namespace to look in (defaults to root\cimv2).</param> /// <returns></returns> public object QueryCimDCOMInstance(PSCredential Credential, string Query, string Dialect = "WQL", string Namespace = @"root\cimv2") { CimSession tempSession; IEnumerable<CimInstance> result = new List<CimInstance>(); tempSession = GetCimDComSession(Credential); result = tempSession.QueryInstances(Namespace, Dialect, Query); result.GetEnumerator().MoveNext(); if (DisableCimPersistence) { try { tempSession.Close(); } catch { } cimDComSession = null; } else { if (cimDComSession != tempSession) cimDComSession = tempSession; } return result; } #endregion DCOM #endregion CIM Execution /// <summary> /// Simple string representation /// </summary> /// <returns>Returns the computerName it is connection for</returns> public override string ToString() { return ComputerName; } } } |