580 lines
26 KiB
C#
580 lines
26 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Drawing;
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using System.Xml;
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using System.Windows.Forms;
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using System.Text.RegularExpressions;
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using System.Runtime.Serialization.Formatters.Binary;
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using System.Runtime.Serialization;
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using System.IO;
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namespace EduNetworkBuilder
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{
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[Serializable]
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public class NetTest
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{
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public string sHost = "";
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public string dHost = "";
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public Color WrongColor = Color.Red;
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public NetTestType TheTest = NetTestType.NeedsDefaultGW;
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public bool TaskWasDone = false;
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public int PacketNumber = -1;
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public NetTest(string srcHost, string dstHost, NetTestType tTest)
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{
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sHost = srcHost;
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dHost = dstHost;
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TheTest = tTest;
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SetInitialDoneState();
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}
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public NetTest(NetTest FromWhat)
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{
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sHost = FromWhat.sHost;
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dHost = FromWhat.dHost;
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TheTest = FromWhat.TheTest;
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SetInitialDoneState();
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}
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public NetTest(XmlNode theNode)
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{
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foreach (XmlNode Individual in theNode.ChildNodes)
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{
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XmlNodeType myNodetype = Individual.NodeType;
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if (myNodetype == XmlNodeType.Element)
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{
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switch (Individual.Name.ToLower())
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{
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case "sourcehost":
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case "shost":
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sHost = Individual.InnerText;
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break;
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case "desthost":
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case "dhost":
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dHost = Individual.InnerText;
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break;
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case "thetest":
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TheTest = NB.ParseEnum<NetTestType>(Individual.InnerText);
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break;
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}
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}
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}
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SetInitialDoneState();
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}
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public void SetInitialDoneState()
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{
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switch (TheTest)
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{
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case NetTestType.LockAll:
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case NetTestType.LockDHCP:
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case NetTestType.LockGateway:
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case NetTestType.LockIP:
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case NetTestType.LockNic:
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case NetTestType.LockRoute:
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case NetTestType.LockInterfaceVLAN:
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case NetTestType.LockNicVLAN:
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case NetTestType.LockVLANNames:
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case NetTestType.LockVLANsOnHost:
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TaskWasDone = true;
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break;
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}
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}
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public void Save(XmlWriter writer)
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{
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writer.WriteStartElement("nettest");
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writer.WriteElementString("shost", sHost);
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writer.WriteElementString("dhost", dHost);
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writer.WriteElementString("thetest", TheTest.ToString());
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writer.WriteEndElement();
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}
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public void UpdateValuesFromAnother(NetTest WhatFrom)
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{
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dHost = WhatFrom.dHost;
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sHost = WhatFrom.sHost;
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TheTest = WhatFrom.TheTest;
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WrongColor = WhatFrom.WrongColor;
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}
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public bool Equals(NetTest CompareTo)
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{
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if (sHost != CompareTo.sHost) return false;
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if (dHost != CompareTo.dHost) return false;
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if (TheTest != CompareTo.TheTest) return false;
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if (WrongColor != CompareTo.WrongColor) return false;
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return true;
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}
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public bool Edit()
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{
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NetTestEditor nte = new NetTestEditor(this);
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NetTest copy = new NetTest(this);
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nte.ShowDialog();
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if (copy.Equals(this)) return false;
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return true;
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}
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private string TestDescription(NetTestVerbosity amount)
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{
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string toreturn = "";
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switch(amount)
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{
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case NetTestVerbosity.basic:
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if(TheTest != NetTestType.ReadContextHelp)
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toreturn = NB.Translate("NT_TstDscriptProblem");
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else
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toreturn = NB.Translate("_ReadContext");
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break;
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case NetTestVerbosity.hints:
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switch (TheTest)
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{
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case NetTestType.NeedsDefaultGW:
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toreturn = NB.Translate("NT_TstDscriptGteway");
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break;
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// case NetTestType.NeedsPingToHost:
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// toreturn = "Cannot ping";
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// break;
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case NetTestType.NeedsRouteToNet:
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toreturn = NB.Translate("NT_TstDscriptRout");
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break;
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case NetTestType.NeedsLocalIPTo:
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toreturn = NB.Translate("NT_TstDscriptIP");
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break;
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case NetTestType.NeedsLinkToDevice:
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toreturn = NB.Translate("NT_TstDiscriptConnect");
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break;
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case NetTestType.SuccessfullyArps:
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toreturn = NB.Translate("NT_TstDiscriptARP");
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break;
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case NetTestType.SuccessfullyDHCPs:
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toreturn = NB.Translate("NT_TstDiscriptDHCPIP");
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break;
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case NetTestType.SuccessfullyTraceroutes:
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toreturn = NB.Translate("NT_TstDiscriptTraceroute");
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break;
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case NetTestType.SuccessfullyPings:
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case NetTestType.SuccessfullyPingsAgain:
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toreturn = NB.Translate("NT_TstDiscriptPing");
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break;
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case NetTestType.HelpRequest:
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toreturn = NB.Translate("NT_TstDiscriptHelp");
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break;
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case NetTestType.FailedPing:
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toreturn = NB.Translate("NT_TstDiscriptPingHost");
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break;
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case NetTestType.DHCPServerEnabled:
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toreturn = NB.Translate("NT_TstDiscriptDHCP");
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break;
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case NetTestType.LockAll:
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toreturn = NB.Translate("NT_TstDiscriptLock");
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break;
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case NetTestType.LockDHCP:
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toreturn = NB.Translate("NT_TstDiscriptLockDHCP");
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break;
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case NetTestType.LockIP:
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toreturn = NB.Translate("NT_TstDiscriptLockIP");
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break;
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case NetTestType.LockNic:
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toreturn = NB.Translate("NT_TstDiscriptLockNIC");
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break;
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case NetTestType.LockRoute:
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toreturn = NB.Translate("NT_TstDiscriptLockRout");
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break;
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case NetTestType.LockGateway:
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toreturn = NB.Translate("NT_TstDiscriptGteway");
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break;
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case NetTestType.LockVLANNames:
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toreturn = NB.Translate("NT_TstDiscriptLockVLANNames");
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break;
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case NetTestType.LockVLANsOnHost:
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toreturn = NB.Translate("NT_TstDiscriptLockVLAN");
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break;
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case NetTestType.LockNicVLAN:
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toreturn = NB.Translate("NT_TstDiscriptLockNicVLAN");
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break;
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case NetTestType.LockInterfaceVLAN:
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toreturn = NB.Translate("NT_TstDiscriptLockInterfaceVLAN");
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break;
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case NetTestType.NeedsTaggedVLAN:
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toreturn = NB.Translate("NT_TstDiscriptNeedsTaggedVLAN");
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break;
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case NetTestType.NeedsUntaggedVLAN:
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toreturn = NB.Translate("NT_TstDiscriptNeedsUntaggedVLAN");
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break;
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case NetTestType.NeedsForbiddenVLAN:
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toreturn = NB.Translate("NT_TstDiscriptNeedsForbiddenVLAN");
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break;
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case NetTestType.ReadContextHelp:
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toreturn = NB.Translate("_ReadContext");
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break;
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}
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break;
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case NetTestVerbosity.full:
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switch (TheTest)
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{
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case NetTestType.NeedsDefaultGW:
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toreturn = NB.Translate("NT_TstDiscriptGteway2");
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break;
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// case NetTestType.NeedsPingToHost:
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// toreturn = "Cannot ping host:";
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// break;
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case NetTestType.NeedsRouteToNet:
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toreturn = NB.Translate("NT_TstDiscriptRout2");
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break;
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case NetTestType.NeedsLocalIPTo:
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toreturn = NB.Translate("NT_TstDiscriptIP2");
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break;
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case NetTestType.NeedsLinkToDevice:
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toreturn = NB.Translate("NT_TstDiscriptLink");
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break;
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case NetTestType.SuccessfullyArps:
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toreturn = NB.Translate("NT_TstDiscriptARP2");
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break;
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case NetTestType.SuccessfullyDHCPs:
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toreturn = NB.Translate("NT_TstDiscriptDHCPIP2");
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break;
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case NetTestType.SuccessfullyTraceroutes:
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toreturn = NB.Translate("NT_TstDiscriptTraceroute2");
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break;
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case NetTestType.SuccessfullyPings:
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case NetTestType.SuccessfullyPingsAgain:
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toreturn = NB.Translate("NT_TstDiscriptPing2");
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break;
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case NetTestType.HelpRequest:
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toreturn = NB.Translate("NT_TstDiscriptHelp2");
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break;
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case NetTestType.FailedPing:
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toreturn = NB.Translate("NT_TstDiscriptPingFail");
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break;
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case NetTestType.DHCPServerEnabled:
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toreturn = NB.Translate("NT_TstDiscriptDHCP2");
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break;
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case NetTestType.LockAll:
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toreturn = NB.Translate("NT_TstDiscriptLock") + ":";
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break;
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case NetTestType.LockDHCP:
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toreturn = NB.Translate("NT_TstDiscriptLockDHCP") + ":";
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break;
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case NetTestType.LockIP:
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toreturn = NB.Translate("NT_TstDiscriptLockIP") + ":";
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break;
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case NetTestType.LockNic:
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toreturn = NB.Translate("NT_TstDiscriptLockNIC") + ":";
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break;
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case NetTestType.LockRoute:
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toreturn = NB.Translate("NT_TstDiscriptLockRout") + ":";
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break;
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case NetTestType.LockGateway:
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toreturn = NB.Translate("NT_TstDiscriptGteway") + ":";
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break;
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case NetTestType.LockVLANNames:
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toreturn = NB.Translate("NT_TstDiscriptLockVLANNames") + ":";
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break;
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case NetTestType.LockVLANsOnHost:
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toreturn = NB.Translate("NT_TstDiscriptLockVLAN") + ":";
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break;
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case NetTestType.LockNicVLAN:
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toreturn = NB.Translate("NT_TstDiscriptLockNicVLAN") + ":";
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break;
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case NetTestType.LockInterfaceVLAN:
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toreturn = NB.Translate("NT_TstDiscriptLockInterfaceVLAN") + ":";
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break;
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case NetTestType.NeedsTaggedVLAN:
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toreturn = NB.Translate("NT_TstDiscriptNeedsTaggedVLAN") + ":";
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break;
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case NetTestType.NeedsUntaggedVLAN:
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toreturn = NB.Translate("NT_TstDiscriptNeedsUntaggedVLAN") + ":";
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break;
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case NetTestType.NeedsForbiddenVLAN:
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toreturn = NB.Translate("NT_TstDiscriptNeedsForbiddenVLAN") + ":";
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break;
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case NetTestType.ReadContextHelp:
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toreturn = NB.Translate("_ReadContext");
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break;
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}
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break;
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case NetTestVerbosity.none:
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toreturn = "";
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break;
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}
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return toreturn;
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}
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public string GetDescription(NetTestVerbosity amount)
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{
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string toreturn = "";
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if(TheTest == NetTestType.ReadContextHelp)
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{
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return TestDescription(amount) + " " + sHost;
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}
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switch(amount)
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{
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case NetTestVerbosity.basic:
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toreturn = sHost + " " + TestDescription(amount);
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break;
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case NetTestVerbosity.hints:
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toreturn = sHost + " " + TestDescription(amount);
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break;
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case NetTestVerbosity.full:
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toreturn = sHost + " " + TestDescription(amount) + " " + dHost;
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break;
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case NetTestVerbosity.none:
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toreturn = "";
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break;
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}
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return toreturn;
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}
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public bool TestPiecesExist()
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{
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Network theNet = NB.GetNetwork();
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NetworkDevice Source = theNet.GetDeviceFromName(sHost);
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NetworkDevice Dest = theNet.GetDeviceFromName(dHost);
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if (Source == null) return false;
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if (TheTest == NetTestType.DHCPServerEnabled) return true; //dest does not matter
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if (Dest == null) return false;
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return true;
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}
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public bool ColorItemsIfNeeded(bool ChangeColor)
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{
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bool WasDone = TaskWasDone;
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if(!TestComplete())
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{
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if(TheTest == NetTestType.ReadContextHelp && ChangeColor)
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{
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BuilderWindow myWin = NB.GetBuilderWin();
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if(myWin != null)
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{
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Control ctl = myWin.GetControlNamed(sHost);
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if (ctl == null) return false;
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ctl.BackColor = WrongColor;
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}
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return true;
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}
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if (TheTest == NetTestType.HelpRequest && dHost == "?Button" && ChangeColor)
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{
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BuilderWindow myWin = NB.GetBuilderWin();
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if (myWin != null)
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{
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Control ctl = myWin.GetControlNamed("btnHelp");
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if (ctl == null) return false;
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if(ctl.BackColor != WrongColor)
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ctl.BackColor = WrongColor;
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}
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return true;
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}
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if (TheTest == NetTestType.HelpRequest && dHost == "ViewButton" && ChangeColor)
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{
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BuilderWindow myWin = NB.GetBuilderWin();
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if (myWin != null)
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{
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Control ctl = myWin.GetControlNamed("cbViewTitles");
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if (ctl == null) return false;
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if (ctl.BackColor != WrongColor)
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ctl.BackColor = WrongColor;
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}
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return true;
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}
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Network theNet = NB.GetNetwork();
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NetworkDevice Source = theNet.GetDeviceFromName(sHost);
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if(Source!= null)
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{
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if (ChangeColor)
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{
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Source.BackgroundColor = WrongColor;
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Source.IsDirty = true; //Make sure we re-draw it
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}
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return true; //We have a test that is not completed
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}
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return true;
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}
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if(WasDone == false)
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{
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//We just solved it for the first time
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TaskWasDone = true;
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NB.PlaySound(NBSoundType.success);
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NB.MarkToUpdate();
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}
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return false; //No need to color anything
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}
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public void SetDone(int PacketID = -1)
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{
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if(TaskWasDone == false)
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{
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if (TheTest == NetTestType.FailedPing || TheTest == NetTestType.SuccessfullyArps
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|| TheTest == NetTestType.SuccessfullyDHCPs || TheTest == NetTestType.SuccessfullyPings
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|| TheTest == NetTestType.SuccessfullyPingsAgain || TheTest == NetTestType.SuccessfullyTraceroutes)
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PacketNumber = PacketID; //Track the packetID of the first packet to complete the task
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NB.PlaySound(NBSoundType.success);
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NB.MarkToUpdate();
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}
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TaskWasDone = true;
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}
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public string GetInterfaceFromVLANInterfaceRequirement()
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{
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Match result = Regex.Match(dHost, @"(?<interface>[A-z:0-9]+) - (?<id>\d+)");
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if (result.Groups["interface"] != null) return result.Groups["interface"].Value;
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return "";
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}
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public int GetIDFromVLANInterfaceRequirement()
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{
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int answer = -1;
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Match result = Regex.Match(dHost, @"(?<interface>[A-z:0-9]+) - (?<id>\d+)");
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if (result.Groups["id"] != null) int.TryParse( result.Groups["id"].Value, out answer);
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return answer;
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}
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/// <summary>
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/// See if the test has been solved
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/// </summary>
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/// <returns></returns>
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public bool TestComplete(Network UseThisNet = null)
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{
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Network theNet = UseThisNet;
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if(theNet == null) theNet= NB.GetNetwork();
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NetworkDevice Source = theNet.GetDeviceFromName(sHost);
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NetworkDevice Dest = theNet.GetDeviceFromName(dHost);
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IPAddress gw;
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IPAddress tAddr;
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switch(TheTest)
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{
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case NetTestType.NeedsDefaultGW:
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if (Source == null) return false; //Unable to do it. Do not count it against them.
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if (Dest == null) return false; //Unable to do it. Do not count it against them.
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gw = Source.GetGateway();
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if(Dest.HasIPAddress(gw))
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{
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//It has the IP. Is it local to the source?
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if(Source.LocalNic(gw) != null)
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{
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//The default gw is set to the IP of the dest
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//The IP address chosen is "local" to the source host. So it should ping between them
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return true;
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}
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}
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return false; //Something is not set right.
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case NetTestType.NeedsRouteToNet:
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if (Source == null) return false; //Unable to do it. Do not count it against them.
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tAddr = theNet.DNSLookup(Source,dHost);
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if (tAddr == null || tAddr.GetIPString == NB.ZeroIPString)
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tAddr = new IPAddress(dHost);
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if (Source.HasRouteMatching(tAddr))
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{
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IPAddress route = Source.RouteMatching(tAddr);
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if (Source.LocalNic(new IPAddress(route.GetGateway.ToIpString())) == null)
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return false; //The gateway specified is not local to the device. We cannot get to it
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return true;
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}
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return false; //if we get here, it has failed somehow
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case NetTestType.NeedsLocalIPTo:
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if (Source == null) return false; //Unable to do it. Do not count it against them.
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if (Dest == null) return false; //Unable to do it. Do not count it against them.
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tAddr = Source.LocalDeviceIP(Dest);
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IPAddress dAddress = Dest.LocalDeviceIP(Source);
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if (Dest.HasIPAddress(tAddr)) return false; //They gave the same address to the source that the dest has.
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if (!theNet.HasUniqueIP(tAddr, Source)) return false; //Verify we have not given the IP to someone else
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if (tAddr != null &&
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tAddr.GetIPString != NB.ZeroIPString)
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{
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if(dAddress != null & dAddress.GetMask == tAddr.GetMask)
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return true;
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}
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return false; //Something is not set right.
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case NetTestType.NeedsLinkToDevice:
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if (Source == null) return false; //Unable to do it. Do not count it against them.
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if (Dest == null) return false; //Unable to do it. Do not count it against them.
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if (Source.HasLinkTo(dHost)) return true;
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return false; //Something is not set right.
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case NetTestType.SuccessfullyArps:
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case NetTestType.SuccessfullyDHCPs:
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case NetTestType.SuccessfullyPings:
|
|
case NetTestType.SuccessfullyPingsAgain:
|
|
case NetTestType.SuccessfullyTraceroutes:
|
|
case NetTestType.HelpRequest:
|
|
case NetTestType.ReadContextHelp:
|
|
case NetTestType.FailedPing:
|
|
return TaskWasDone; //This variable will tell us if these tests have been done.
|
|
case NetTestType.DHCPServerEnabled:
|
|
if (Source == null) return false; //Unable to do it. Do not count it against them.
|
|
//dHost is either "true" or "false"
|
|
string srvr = Source.GetIsDHCPServer().ToString().ToLower();
|
|
string shouldbe = dHost.ToLower();
|
|
if (srvr == shouldbe)
|
|
return true;
|
|
break;
|
|
case NetTestType.NeedsForbiddenVLAN:
|
|
case NetTestType.NeedsTaggedVLAN:
|
|
case NetTestType.NeedsUntaggedVLAN:
|
|
if (Source == null) return false; //Unable to do it. Do not count it against them.
|
|
string ifname = GetInterfaceFromVLANInterfaceRequirement();
|
|
if (ifname == "") return false; //unable to do it.
|
|
string nicname = Regex.Replace(ifname, @":\w*","");
|
|
int id = GetIDFromVLANInterfaceRequirement();
|
|
//Find the nic
|
|
NetworkCard nic = Source.NicFromName(nicname);
|
|
if (nic == null) return false; //no matching nic
|
|
//find the interface
|
|
NetworkInterface nif = nic.InterfaceFromName(ifname);
|
|
if (nif == null) return false; //no matchint interface
|
|
|
|
//find the entry for the vlan
|
|
VLANInfo vi = nif.GetVLANInfo(id);
|
|
if (vi == null) return false; //No such vlan or something.
|
|
if (TheTest == NetTestType.NeedsForbiddenVLAN && vi.Tag == VLANTagType.Forbidden) return true;
|
|
if (TheTest == NetTestType.NeedsUntaggedVLAN && vi.Tag == VLANTagType.Untagged) return true;
|
|
if (TheTest == NetTestType.NeedsTaggedVLAN && vi.Tag == VLANTagType.Tagged) return true;
|
|
break;
|
|
case NetTestType.LockAll:
|
|
case NetTestType.LockDHCP:
|
|
case NetTestType.LockIP:
|
|
case NetTestType.LockNic:
|
|
case NetTestType.LockRoute:
|
|
case NetTestType.LockGateway:
|
|
case NetTestType.LockInterfaceVLAN:
|
|
case NetTestType.LockNicVLAN:
|
|
case NetTestType.LockVLANsOnHost:
|
|
case NetTestType.LockVLANNames:
|
|
return true; //Nothing to solve. We just lock it so it cannot be changed.
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
public static T Clone<T>(T source)
|
|
{
|
|
if (!typeof(T).IsSerializable)
|
|
{
|
|
throw new ArgumentException(NB.Translate("NC_CloneSerialzable"), NB.Translate("_source"));
|
|
}
|
|
|
|
// Don't serialize a null object, simply return the default for that object
|
|
if (Object.ReferenceEquals(source, null))
|
|
{
|
|
return default(T);
|
|
}
|
|
|
|
IFormatter formatter = new BinaryFormatter();
|
|
Stream stream = new MemoryStream();
|
|
using (stream)
|
|
{
|
|
formatter.Serialize(stream, source);
|
|
stream.Seek(0, SeekOrigin.Begin);
|
|
return (T)formatter.Deserialize(stream);
|
|
}
|
|
}
|
|
}
|
|
} |