mirror of
https://github.com/mRemoteNG/mRemoteNG.git
synced 2026-02-17 22:11:48 +08:00
369 lines
16 KiB
C#
369 lines
16 KiB
C#
using System;
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using System.IO;
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using System.Security.Cryptography;
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using System.Text;
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using System.Xml;
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using mRemoteNG.Connection;
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using mRemoteNG.Connection.Protocol;
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using mRemoteNG.Connection.Protocol.RDP;
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using mRemoteNG.Container;
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using mRemoteNG.Tree;
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using mRemoteNG.Tree.Root;
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namespace mRemoteNG.Config.Serializers
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{
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public class RemoteDesktopConnectionManagerDeserializer : IDeserializer<string, ConnectionTreeModel>
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{
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private static int _schemaVersion; /* 1 = RDCMan v2.2
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3 = RDCMan v2.7 */
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public ConnectionTreeModel Deserialize(string rdcmConnectionsXml)
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{
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var connectionTreeModel = new ConnectionTreeModel();
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var root = new RootNodeInfo(RootNodeType.Connection);
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var xmlDocument = new XmlDocument();
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xmlDocument.LoadXml(rdcmConnectionsXml);
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var rdcManNode = xmlDocument.SelectSingleNode("/RDCMan");
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VerifySchemaVersion(rdcManNode);
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VerifyFileVersion(rdcManNode);
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var fileNode = rdcManNode?.SelectSingleNode("./file");
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ImportFileOrGroup(fileNode, root);
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connectionTreeModel.AddRootNode(root);
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return connectionTreeModel;
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}
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private static void VerifySchemaVersion(XmlNode rdcManNode)
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{
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if (!int.TryParse(rdcManNode?.Attributes?["schemaVersion"]?.Value, out var version))
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throw new FileFormatException("Could not find schema version attribute.");
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if (version != 1 && version != 3)
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{
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throw new FileFormatException($"Unsupported schema version ({version}).");
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}
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_schemaVersion = version;
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}
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private static void VerifyFileVersion(XmlNode rdcManNode)
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{
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var versionAttribute = rdcManNode?.Attributes?["programVersion"]?.Value;
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if (versionAttribute != null)
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{
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var version = new Version(versionAttribute);
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if (!(version == new Version(2, 7)))
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{
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throw new FileFormatException($"Unsupported file version ({version}).");
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}
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}
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else
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{
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var versionNode = rdcManNode?.SelectSingleNode("./version")?.InnerText;
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if (versionNode != null)
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{
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var version = new Version(versionNode);
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if (!(version == new Version(2, 2)))
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{
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throw new FileFormatException($"Unsupported file version ({version}).");
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}
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}
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else
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{
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throw new FileFormatException("Unknown file version");
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}
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}
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}
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private static void ImportFileOrGroup(XmlNode xmlNode, ContainerInfo parentContainer)
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{
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var newContainer = ImportContainer(xmlNode, parentContainer);
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var childNodes = xmlNode.SelectNodes("./group|./server");
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if (childNodes == null) return;
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foreach (XmlNode childNode in childNodes)
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{
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// ReSharper disable once SwitchStatementMissingSomeCases
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switch (childNode.Name)
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{
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case "group":
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ImportFileOrGroup(childNode, newContainer);
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break;
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case "server":
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ImportServer(childNode, newContainer);
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break;
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}
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}
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}
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private static ContainerInfo ImportContainer(XmlNode containerPropertiesNode, ContainerInfo parentContainer)
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{
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if (_schemaVersion == 1)
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{
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// Program Version 2.2 wraps all setting inside the Properties tags
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containerPropertiesNode = containerPropertiesNode.SelectSingleNode("./properties");
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}
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var newContainer = new ContainerInfo();
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var connectionInfo = ConnectionInfoFromXml(containerPropertiesNode);
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newContainer.CopyFrom(connectionInfo);
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if (_schemaVersion == 3)
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{
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// Program Version 2.7 wraps these properties
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containerPropertiesNode = containerPropertiesNode.SelectSingleNode("./properties");
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}
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newContainer.Name = containerPropertiesNode?.SelectSingleNode("./name")?.InnerText ?? Language.strNewFolder;
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if (bool.TryParse(containerPropertiesNode?.SelectSingleNode("./expanded")?.InnerText, out var expanded))
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newContainer.IsExpanded = expanded;
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parentContainer.AddChild(newContainer);
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return newContainer;
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}
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private static void ImportServer(XmlNode serverNode, ContainerInfo parentContainer)
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{
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var newConnectionInfo = ConnectionInfoFromXml(serverNode);
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parentContainer.AddChild(newConnectionInfo);
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}
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private static ConnectionInfo ConnectionInfoFromXml(XmlNode xmlNode)
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{
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var connectionInfo = new ConnectionInfo {Protocol = ProtocolType.RDP};
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var propertiesNode = xmlNode.SelectSingleNode("./properties");
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if (_schemaVersion == 1)
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propertiesNode = xmlNode; // Version 2.2 defines the container name at the root instead
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connectionInfo.Hostname = propertiesNode?.SelectSingleNode("./name")?.InnerText ?? "";
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var connectionDisplayName = propertiesNode?.SelectSingleNode("./displayName")?.InnerText;
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connectionInfo.Name = !string.IsNullOrWhiteSpace(connectionDisplayName)
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? connectionDisplayName
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: string.IsNullOrWhiteSpace(connectionInfo.Hostname)
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? connectionInfo.Name
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: connectionInfo.Hostname;
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connectionInfo.Description = propertiesNode?.SelectSingleNode("./comment")?.InnerText ?? string.Empty;
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var logonCredentialsNode = xmlNode.SelectSingleNode("./logonCredentials");
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if (logonCredentialsNode?.Attributes?["inherit"]?.Value == "None")
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{
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connectionInfo.Username = logonCredentialsNode.SelectSingleNode("userName")?.InnerText ?? string.Empty;
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var passwordNode = logonCredentialsNode.SelectSingleNode("./password");
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if (_schemaVersion == 1) // Version 2.2 allows clear text passwords
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{
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connectionInfo.Password = passwordNode?.Attributes?["storeAsClearText"]?.Value == "True"
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? passwordNode.InnerText
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: DecryptRdcManPassword(passwordNode?.InnerText);
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}
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else
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{
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connectionInfo.Password = DecryptRdcManPassword(passwordNode?.InnerText);
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}
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connectionInfo.Domain = logonCredentialsNode.SelectSingleNode("./domain")?.InnerText ?? string.Empty;
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}
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else
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{
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connectionInfo.Inheritance.Username = true;
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connectionInfo.Inheritance.Password = true;
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connectionInfo.Inheritance.Domain = true;
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}
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var connectionSettingsNode = xmlNode.SelectSingleNode("./connectionSettings");
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if (connectionSettingsNode?.Attributes?["inherit"]?.Value == "None")
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{
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if (bool.TryParse(connectionSettingsNode.SelectSingleNode("./connectToConsole")?.InnerText, out var useConsole))
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connectionInfo.UseConsoleSession = useConsole;
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// ./startProgram
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// ./workingDir
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if (int.TryParse(connectionSettingsNode.SelectSingleNode("./port")?.InnerText, out var port))
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connectionInfo.Port = port;
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}
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else
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{
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connectionInfo.Inheritance.UseConsoleSession = true;
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connectionInfo.Inheritance.Port = true;
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}
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var gatewaySettingsNode = xmlNode.SelectSingleNode("./gatewaySettings");
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if (gatewaySettingsNode?.Attributes?["inherit"]?.Value == "None")
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{
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connectionInfo.RDGatewayUsageMethod =
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gatewaySettingsNode.SelectSingleNode("./enabled")?.InnerText == "True"
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? RDGatewayUsageMethod.Always
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: RDGatewayUsageMethod.Never;
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connectionInfo.RDGatewayHostname = gatewaySettingsNode.SelectSingleNode("./hostName")?.InnerText ?? string.Empty;
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connectionInfo.RDGatewayUsername = gatewaySettingsNode.SelectSingleNode("./userName")?.InnerText ?? string.Empty;
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var passwordNode = gatewaySettingsNode.SelectSingleNode("./password");
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connectionInfo.RDGatewayPassword = passwordNode?.Attributes?["storeAsClearText"]?.Value == "True"
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? passwordNode.InnerText
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: DecryptRdcManPassword(passwordNode?.InnerText);
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connectionInfo.RDGatewayDomain = gatewaySettingsNode.SelectSingleNode("./domain")?.InnerText ?? string.Empty;
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// ./logonMethod
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// ./localBypass
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// ./credSharing
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}
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else
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{
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connectionInfo.Inheritance.RDGatewayUsageMethod = true;
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connectionInfo.Inheritance.RDGatewayHostname = true;
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connectionInfo.Inheritance.RDGatewayUsername = true;
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connectionInfo.Inheritance.RDGatewayPassword = true;
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connectionInfo.Inheritance.RDGatewayDomain = true;
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}
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var remoteDesktopNode = xmlNode.SelectSingleNode("./remoteDesktop");
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if (remoteDesktopNode?.Attributes?["inherit"]?.Value == "None")
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{
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connectionInfo.Resolution =
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Enum.TryParse<RDPResolutions>(remoteDesktopNode.SelectSingleNode("./size")?.InnerText.Replace(" ", ""), true, out var rdpResolution)
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? rdpResolution
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: RDPResolutions.FitToWindow;
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if (remoteDesktopNode.SelectSingleNode("./sameSizeAsClientArea")?.InnerText == "True")
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{
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connectionInfo.Resolution = RDPResolutions.FitToWindow;
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}
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if (remoteDesktopNode.SelectSingleNode("./fullScreen")?.InnerText == "True")
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{
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connectionInfo.Resolution = RDPResolutions.Fullscreen;
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}
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if (Enum.TryParse<RDPColors>(remoteDesktopNode.SelectSingleNode("./colorDepth")?.InnerText, true, out var rdpColors))
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connectionInfo.Colors = rdpColors;
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}
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else
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{
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connectionInfo.Inheritance.Resolution = true;
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connectionInfo.Inheritance.Colors = true;
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}
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var localResourcesNode = xmlNode.SelectSingleNode("./localResources");
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if (localResourcesNode?.Attributes?["inherit"]?.Value == "None")
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{
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// ReSharper disable once SwitchStatementMissingSomeCases
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switch (localResourcesNode.SelectSingleNode("./audioRedirection")?.InnerText)
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{
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case "0": // Bring to this computer
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case "Client":
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connectionInfo.RedirectSound = RDPSounds.BringToThisComputer;
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break;
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case "1": // Leave at remote computer
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case "Remote":
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connectionInfo.RedirectSound = RDPSounds.LeaveAtRemoteComputer;
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break;
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case "2": // Do not play
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case "NoSound":
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connectionInfo.RedirectSound = RDPSounds.DoNotPlay;
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break;
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}
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// ./audioRedirectionQuality
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// ./audioCaptureRedirection
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// ReSharper disable once SwitchStatementMissingSomeCases
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switch (localResourcesNode.SelectSingleNode("./keyboardHook")?.InnerText)
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{
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case "0": // On the local computer
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case "Client":
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connectionInfo.RedirectKeys = false;
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break;
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case "1": // On the remote computer
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case "Remote":
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connectionInfo.RedirectKeys = true;
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break;
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case "2": // In full screen mode only
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case "FullScreenClient":
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connectionInfo.RedirectKeys = false;
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break;
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}
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// ./redirectClipboard
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if (bool.TryParse(localResourcesNode?.SelectSingleNode("./redirectDrives")?.InnerText, out var redirectDisks))
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connectionInfo.RedirectDiskDrives = redirectDisks;
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if (bool.TryParse(localResourcesNode?.SelectSingleNode("./redirectPorts")?.InnerText, out var redirectPorts))
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connectionInfo.RedirectPorts = redirectPorts;
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if (bool.TryParse(localResourcesNode?.SelectSingleNode("./redirectPrinters")?.InnerText, out var redirectPrinters))
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connectionInfo.RedirectPrinters = redirectPrinters;
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if (bool.TryParse(localResourcesNode?.SelectSingleNode("./redirectSmartCards")?.InnerText, out var redirectSmartCards))
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connectionInfo.RedirectSmartCards = redirectSmartCards;
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if (bool.TryParse(localResourcesNode?.SelectSingleNode("./redirectClipboard")?.InnerText, out var redirectClipboard))
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connectionInfo.RedirectClipboard = redirectClipboard;
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}
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else
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{
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connectionInfo.Inheritance.RedirectSound = true;
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connectionInfo.Inheritance.RedirectKeys = true;
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connectionInfo.Inheritance.RedirectDiskDrives = true;
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connectionInfo.Inheritance.RedirectPorts = true;
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connectionInfo.Inheritance.RedirectPrinters = true;
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connectionInfo.Inheritance.RedirectSmartCards = true;
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connectionInfo.Inheritance.RedirectClipboard = true;
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}
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var securitySettingsNode = xmlNode.SelectSingleNode("./securitySettings");
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if (securitySettingsNode?.Attributes?["inherit"]?.Value == "None")
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{
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// ReSharper disable once SwitchStatementMissingSomeCases
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switch (securitySettingsNode.SelectSingleNode("./authentication")?.InnerText)
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{
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case "0": // No authentication
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case "None":
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connectionInfo.RDPAuthenticationLevel = AuthenticationLevel.NoAuth;
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break;
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case "1": // Do not connect if authentication fails
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case "Required":
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connectionInfo.RDPAuthenticationLevel = AuthenticationLevel.AuthRequired;
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break;
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case "2": // Warn if authentication fails
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case "Warn":
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connectionInfo.RDPAuthenticationLevel = AuthenticationLevel.WarnOnFailedAuth;
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break;
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}
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}
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else
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{
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connectionInfo.Inheritance.RDPAuthenticationLevel = true;
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}
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// ./displaySettings/thumbnailScale
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// ./displaySettings/liveThumbnailUpdates
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// ./displaySettings/showDisconnectedThumbnails
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return connectionInfo;
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}
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private static string DecryptRdcManPassword(string ciphertext)
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{
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if (string.IsNullOrEmpty(ciphertext))
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return string.Empty;
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try
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{
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var plaintextData = ProtectedData.Unprotect(Convert.FromBase64String(ciphertext), new byte[] { },
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DataProtectionScope.LocalMachine);
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var charArray = Encoding.Unicode.GetChars(plaintextData);
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return new string(charArray);
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}
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catch (Exception /*ex*/)
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{
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//Runtime.MessageCollector.AddExceptionMessage("RemoteDesktopConnectionManager.DecryptPassword() failed.", ex, logOnly: true);
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return string.Empty;
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}
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}
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}
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} |