mirror of
https://github.com/xcp-ng/xenadmin.git
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403 lines
14 KiB
C#
403 lines
14 KiB
C#
/* Copyright (c) Citrix Systems Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms,
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* with or without modification, are permitted provided
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* that the following conditions are met:
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*
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* * Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the
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* following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the
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* following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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using System;
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using System.Collections.Generic;
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using System.Text;
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using Microsoft.Win32;
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namespace XenAdmin.Core
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{
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public class Registry
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{
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private static readonly log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
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internal static bool AllowCredentialSave
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{
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get
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{
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return ReadBool(ALLOW_CREDENTIAL_SAVE, true);
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}
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}
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internal static bool VMPRFeatureEnabled
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{
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get
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{
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return ReadBool(VMPR_ENABLED, true);
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}
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}
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internal static bool DisablePlugins
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{
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get
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{
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return ReadBool(DISABLE_PLUGINS, false);
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}
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}
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internal static bool ForceSystemFonts
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{
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get
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{
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return ReadBool(FORCE_SYSTEM_FONTS, false);
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}
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}
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internal static bool DontSudo
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{
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get
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{
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return ReadBool(DONT_SUDO, false); // CA-38045
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}
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}
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public static SSLCertificateTypes AlwaysShowSSLCertificates
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{
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get
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{
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try
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{
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RegistryKey masterKey = Microsoft.Win32.Registry.LocalMachine.OpenSubKey(XENCENTER_LOCAL_KEYS);
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if (masterKey == null)
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return SSLCertificateTypes.None;
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try
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{
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object v = masterKey.GetValue(SSL_CERTIFICATES_KEY);
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if (v != null)
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{
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if (v.ToString().ToUpperInvariant() == SSL_CERTIFICATES_CHANGED_ONLY)
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return SSLCertificateTypes.Changed;
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if (v.ToString().ToUpperInvariant() == SSL_CERTIFICATES_ALL)
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return SSLCertificateTypes.All;
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}
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return SSLCertificateTypes.None;
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}
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finally
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{
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masterKey.Close();
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}
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}
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catch
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{
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return SSLCertificateTypes.None;
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}
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}
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}
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public static bool IsPowerShellInstalled()
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{
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try
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{
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RegistryKey masterKey = Microsoft.Win32.Registry.LocalMachine.OpenSubKey(PowerShellKey);
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if (masterKey == null)
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return false;
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try
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{
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object v = masterKey.GetValue(PowerShellStamp);
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if (v != null && v is int && (int)v == 1)
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return true;
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return false;
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}
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finally
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{
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masterKey.Close();
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}
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}
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catch (Exception e)
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{
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log.Debug("It looks like PowerShell is not installed on your machine!", e);
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}
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return false;
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}
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public static bool IsXenServerSnapInInstalled()
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{
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return !string.IsNullOrEmpty(XenServerSnapInLocation());
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}
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public static bool IsExecutionPolicyNotRestricted()
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{
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return PowerShellExecutionPolicy() != "Restricted";
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}
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public static string XenServerSnapInLocation()
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{
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try
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{
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RegistryKey masterKey = Microsoft.Win32.Registry.LocalMachine.OpenSubKey(PSConsoleKey);
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if (masterKey == null)
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{
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masterKey = Microsoft.Win32.Registry.CurrentUser.OpenSubKey(PSConsoleKey);
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if (masterKey == null)
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{
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return "";
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}
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}
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try
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{
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object v = masterKey.GetValue(PSConsoleName);
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if (v != null)
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return v.ToString();
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return "";
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}
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finally
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{
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masterKey.Close();
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}
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}
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catch (Exception e)
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{
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log.Debug("Failed to find XenServerPSSnapIn Console file. Assuming the XenServerPSSnapIn is not installed.", e);
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}
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return "";
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}
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public static string PowerShellExecutionPolicy()
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{
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try
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{
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RegistryKey masterKey = Microsoft.Win32.Registry.LocalMachine.OpenSubKey(PSExecutionPolicyKey);
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if (masterKey == null)
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{
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masterKey = Microsoft.Win32.Registry.CurrentUser.OpenSubKey(PSExecutionPolicyKey);
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if (masterKey == null)
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{
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return "";
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}
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}
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try
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{
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object v = masterKey.GetValue(PSExecutionPolicyName);
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if (v != null)
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return v.ToString();
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return "";
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}
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finally
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{
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masterKey.Close();
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}
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}
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catch (Exception e)
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{
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log.Debug("Failed to find XenServerPSSnapIn Console file. Assuming the XenServerPSSnapIn is not installed.", e);
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}
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return "";
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}
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public static void CheckPowershell()
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{
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if (!Registry.IsPowerShellInstalled())
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throw new I18NException(I18NExceptionType.PowerShellNotPresent);
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}
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public static void CheckXenServerPSSnapIn()
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{
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CheckPowershell();
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if (!Registry.IsXenServerSnapInInstalled())
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throw new I18NException(I18NExceptionType.PowerShellSnapInNotPresent);
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if (!Registry.IsExecutionPolicyNotRestricted())
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throw new I18NException(I18NExceptionType.PowerShellExecutionPolicyRestricted);
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}
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/// <summary>
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/// Read a true/false key from XENCENTER_LOCAL_KEYS\k.
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/// </summary>
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/// <returns>False if the value is "false" (case insensitive), true if the key is present but not
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/// "false", def otherwise.</returns>
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private static bool ReadBool(string k, bool def)
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{
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try
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{
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RegistryKey masterKey = Microsoft.Win32.Registry.LocalMachine.OpenSubKey(XENCENTER_LOCAL_KEYS);
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if (masterKey == null)
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return def;
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try
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{
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object v = masterKey.GetValue(k);
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if (v == null)
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return def;
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else
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return "FALSE" != v.ToString().ToUpperInvariant();
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}
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finally
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{
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masterKey.Close();
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}
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}
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catch (Exception e)
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{
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log.DebugFormat(@"Failed to read {0}\{1} from registry; assuming {1} is {2}.", XENCENTER_LOCAL_KEYS, k, def);
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log.Debug(e, e);
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return def;
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}
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}
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/// <summary>
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/// Reads a key from HKEY_LOCAL_MACHINE\XENCENTER_LOCAL_KEYS\k.
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/// </summary>
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private static string ReadKey(string k)
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{
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try
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{
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RegistryKey masterKey = Microsoft.Win32.Registry.LocalMachine.OpenSubKey(XENCENTER_LOCAL_KEYS);
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if (masterKey == null)
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return null;
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try
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{
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var v = masterKey.GetValue(k);
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return (v != null) ? v.ToString() : null;
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}
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finally
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{
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masterKey.Close();
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}
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}
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catch (Exception e)
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{
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log.DebugFormat(@"Failed to read {0}\{1} from registry; assuming NULL.", XENCENTER_LOCAL_KEYS, k);
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log.Debug(e, e);
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return null;
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}
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}
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/// <summary>
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/// Reads a key from hKey\XENCENTER_LOCAL_KEYS\k, targeting the 32-bit registry view
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/// </summary>
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private static string ReadKey(string k, RegistryHive hKey)
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{
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try
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{
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RegistryKey masterKey = RegistryKey.OpenBaseKey(hKey, RegistryView.Registry32);
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masterKey = masterKey.OpenSubKey(XENCENTER_LOCAL_KEYS) ?? null;
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if (masterKey == null)
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return null;
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try
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{
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var v = masterKey.GetValue(k);
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return (v != null) ? v.ToString() : null;
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}
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finally
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{
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masterKey.Close();
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}
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}
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catch (Exception e)
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{
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log.DebugFormat(@"Failed to read {0}\{1} from registry; assuming NULL.", XENCENTER_LOCAL_KEYS, k);
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log.Debug(e, e);
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return null;
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}
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}
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/// <summary>
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/// Reads a key from XENCENTER_LOCAL_KEYS\k, trying CurrentUser first and then LocalMachine
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/// </summary>
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private static string ReadInstalledKey(string k)
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{
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var v = ReadKey(k, RegistryHive.CurrentUser);
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return (v != null) ? v : ReadKey(k, RegistryHive.LocalMachine);
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}
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public static string HealthCheckIdentityTokenDomainName
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{
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get { return ReadKey(HEALTH_CHECK_IDENTITY_TOKEN_DOMAIN_NAME); }
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}
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public static string HealthCheckUploadTokenDomainName
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{
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get { return ReadKey(HEALTH_CHECK_UPLOAD_TOKEN_DOMAIN_NAME); }
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}
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public static string HealthCheckUploadGrantTokenDomainName
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{
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get { return ReadKey(HEALTH_CHECK_UPLOAD_GRANT_TOKEN_DOMAIN_NAME); }
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}
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public static string HealthCheckUploadDomainName
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{
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get { return ReadKey(HEALTH_CHECK_UPLOAD_DOMAIN_NAME); }
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}
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public static string HealthCheckDiagnosticDomainName
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{
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get { return ReadKey(HEALTH_CHECK_DIAGNOSTIC_DOMAIN_NAME); }
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}
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public static string HealthCheckProductKey
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{
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get { return ReadKey(HEALTH_CHECK_PRODUCT_KEY); }
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}
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public static string HiddenFeatures
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{
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get { return ReadInstalledKey(HIDDEN_FEATURES); }
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}
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private const string SSL_CERTIFICATES_CHANGED_ONLY = "CHANGED";
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private const string SSL_CERTIFICATES_ALL = "ALL";
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private const string SSL_CERTIFICATES_KEY = "ForceSSLCertificates";
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private const string ALLOW_CREDENTIAL_SAVE = "AllowCredentialSave";
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private const string FORCE_SYSTEM_FONTS = "ForceSystemFonts";
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private const string DISABLE_PLUGINS = "DisablePlugins";
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private const string VMPR_ENABLED = "VMPREnabled";
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private const string DONT_SUDO = "DontSudo";
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private const string XENCENTER_LOCAL_KEYS = @"SOFTWARE\" + Branding.COMPANY_NAME_SHORT + @"\" + Branding.BRAND_CONSOLE;
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private const string PSConsoleKey = @"Software\" + Branding.COMPANY_NAME_SHORT + @"\XenServerPSSnapIn";
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private const string PSConsoleName = "ConsoleFile";
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private const string PSExecutionPolicyKey = @"Software\Microsoft\PowerShell\1\ShellIds\Microsoft.PowerShell";
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private const string PSExecutionPolicyName = "ExecutionPolicy";
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private const string PowerShellKey = @"Software\Microsoft\PowerShell\1";
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private const string PowerShellStamp = "Install";
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private const string HEALTH_CHECK_IDENTITY_TOKEN_DOMAIN_NAME = "HealthCheckIdentityTokenDomainName";
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private const string HEALTH_CHECK_UPLOAD_TOKEN_DOMAIN_NAME = "HealthCheckUploadTokenDomainName";
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private const string HEALTH_CHECK_UPLOAD_GRANT_TOKEN_DOMAIN_NAME = "HealthCheckUploadGrantTokenDomainName";
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private const string HEALTH_CHECK_UPLOAD_DOMAIN_NAME = "HealthCheckUploadDomainName";
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private const string HEALTH_CHECK_DIAGNOSTIC_DOMAIN_NAME = "HealthCheckDiagnosticDomainName";
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private const string HEALTH_CHECK_PRODUCT_KEY = "HealthCheckProductKey";
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private const string HIDDEN_FEATURES = "HiddenFeatures";
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}
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public enum SSLCertificateTypes { None, Changed, All }
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}
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