private async void StartScan()
{
DisplayStatusMessage = false;
StatusMessage = string.Empty;
IsScanRunning = true;
PreparingScan = true;
// Measure the time
StartTime = DateTime.Now;
stopwatch.Start();
dispatcherTimer.Tick += DispatcherTimer_Tick;
dispatcherTimer.Interval = new TimeSpan(0, 0, 0, 0, 100);
dispatcherTimer.Start();
EndTime = null;
PortScanResult.Clear();
PortsOpen = 0;
cancellationTokenSource = new CancellationTokenSource();
string[] hosts = HostnameOrIPAddress.Split(';');
List <Tuple <IPAddress, string> > hostData = new List <Tuple <IPAddress, string> >();
for (int i = 0; i < hosts.Length; i++)
{
string host = hosts[i].Trim();
string hostname = string.Empty;
IPAddress.TryParse(host, out IPAddress ipAddress);
try
{
// Resolve DNS
// Try to resolve the hostname
if (ipAddress == null)
{
IPHostEntry ipHostEntry = await Dns.GetHostEntryAsync(host);
foreach (IPAddress ip in ipHostEntry.AddressList)
{
if (ip.AddressFamily == AddressFamily.InterNetwork && SettingsManager.Current.PortScanner_ResolveHostnamePreferIPv4)
{
ipAddress = ip;
continue;
}
else if (ip.AddressFamily == AddressFamily.InterNetworkV6 && !SettingsManager.Current.PortScanner_ResolveHostnamePreferIPv4)
{
ipAddress = ip;
continue;
}
}
// Fallback --> If we could not resolve our prefered ip protocol
if (ipAddress == null)
{
foreach (IPAddress ip in ipHostEntry.AddressList)
{
ipAddress = ip;
continue;
}
}
hostname = host;
}
else
{
try
{
IPHostEntry ipHostEntry = await Dns.GetHostEntryAsync(ipAddress);
hostname = ipHostEntry.HostName;
}
catch { }
}
}
catch (SocketException) // This will catch DNS resolve errors
{
if (!string.IsNullOrEmpty(StatusMessage))
{
StatusMessage += Environment.NewLine;
}
StatusMessage += string.Format(Application.Current.Resources["String_CouldNotResolveHostnameFor"] as string, host);
DisplayStatusMessage = true;
continue;
}
hostData.Add(Tuple.Create(ipAddress, hostname));
}
if (hostData.Count == 0)
{
StatusMessage += Environment.NewLine + Application.Current.Resources["String_NothingToDoCheckYourInput"] as string;
DisplayStatusMessage = true;
ScanFinished();
return;
}
int[] ports = await PortRangeHelper.ConvertPortRangeToIntArrayAsync(Ports);
try
{
PortsToScan = ports.Length * hostData.Count;
PortsScanned = 0;
PreparingScan = false;
HostnameOrIPAddressHistory = new List <string>(HistoryListHelper.Modify(HostnameOrIPAddressHistory, HostnameOrIPAddress, SettingsManager.Current.Application_HistoryListEntries));
PortsHistory = new List <string>(HistoryListHelper.Modify(PortsHistory, Ports, SettingsManager.Current.Application_HistoryListEntries));
PortScannerOptions portScannerOptions = new PortScannerOptions
{
Threads = SettingsManager.Current.PortScanner_Threads,
ShowClosed = SettingsManager.Current.PortScanner_ShowClosed,
Timeout = SettingsManager.Current.PortScanner_Timeout
};
PortScanner portScanner = new PortScanner();
portScanner.PortScanned += PortScanner_PortScanned;
portScanner.ScanComplete += PortScanner_ScanComplete;
portScanner.ProgressChanged += PortScanner_ProgressChanged;
portScanner.UserHasCanceled += PortScanner_UserHasCanceled;
portScanner.ScanAsync(hostData, ports, portScannerOptions, cancellationTokenSource.Token);
}
catch (Exception ex) // This will catch any exception
{
StatusMessage = ex.Message;
DisplayStatusMessage = true;
ScanFinished();
}
}
private async void PortLookupAction()
{
IsPortLookupRunning = true;
PortLookupResult.Clear();
List <string> portsByService = new List <string>();
foreach (string portOrService in PortsOrService.Split(';'))
{
string portOrService1 = portOrService.Trim();
if (portOrService1.Contains("-"))
{
string[] portRange = portOrService1.Split('-');
if (int.TryParse(portRange[0], out int startPort) && int.TryParse(portRange[1], out int endPort))
{
if ((startPort > 0) && (startPort < 65536) && (endPort > 0) && (endPort < 65536) && (startPort < endPort))
{
for (int i = startPort; i < endPort + 1; i++)
{
foreach (PortLookupInfo info in await PortLookup.LookupAsync(i))
{
PortLookupResult.Add(info);
}
}
}
else
{
portsByService.Add(portOrService1);
}
}
else
{
portsByService.Add(portOrService1);
}
}
else
{
if (int.TryParse(portOrService1, out int port))
{
if (port > 0 && port < 65536)
{
foreach (PortLookupInfo info in await PortLookup.LookupAsync(port))
{
PortLookupResult.Add(info);
}
}
else
{
portsByService.Add(portOrService1);
}
}
else
{
portsByService.Add(portOrService1);
}
}
}
foreach (PortLookupInfo info in await PortLookup.LookupByServiceAsync(portsByService))
{
PortLookupResult.Add(info);
}
if (PortLookupResult.Count == 0)
{
NoPortsFound = true;
}
else
{
PortsHistory = new List <string>(HistoryListHelper.Modify(PortsHistory, PortsOrService, SettingsManager.Current.Application_HistoryListEntries));
NoPortsFound = false;
}
IsPortLookupRunning = false;
}
private async void StartPing()
{
DisplayStatusMessage = false;
IsPingRunning = true;
// Measure the time
StartTime = DateTime.Now;
stopwatch.Start();
dispatcherTimer.Tick += DispatcherTimer_Tick;
dispatcherTimer.Interval = new TimeSpan(0, 0, 0, 0, 100);
dispatcherTimer.Start();
EndTime = null;
// Reset the latest results
PingResult.Clear();
PingsTransmitted = 0;
PingsReceived = 0;
PingsLost = 0;
AverageTime = 0;
MinimumTime = 0;
MaximumTime = 0;
// Try to parse the string into an IP-Address
IPAddress.TryParse(HostnameOrIPAddress, out IPAddress ipAddress);
try
{
// Try to resolve the hostname
if (ipAddress == null)
{
IPHostEntry ipHostEntrys = await Dns.GetHostEntryAsync(HostnameOrIPAddress);
foreach (IPAddress ip in ipHostEntrys.AddressList)
{
if (ip.AddressFamily == AddressFamily.InterNetwork && SettingsManager.Current.Ping_ResolveHostnamePreferIPv4)
{
ipAddress = ip;
continue;
}
else if (ip.AddressFamily == AddressFamily.InterNetworkV6 && !SettingsManager.Current.Ping_ResolveHostnamePreferIPv4)
{
ipAddress = ip;
continue;
}
}
// Fallback --> If we could not resolve our prefered ip protocol for the hostname
if (ipAddress == null)
{
foreach (IPAddress ip in ipHostEntrys.AddressList)
{
ipAddress = ip;
continue;
}
}
}
}
catch (SocketException) // This will catch DNS resolve errors
{
PingFinished();
StatusMessage = string.Format(Application.Current.Resources["String_CouldNotResolveHostnameFor"] as string, HostnameOrIPAddress);
DisplayStatusMessage = true;
return;
}
// Add the hostname or ip address to the history
HostnameOrIPAddressHistory = new List <string>(HistoryListHelper.Modify(HostnameOrIPAddressHistory, HostnameOrIPAddress, SettingsManager.Current.Application_HistoryListEntries));
cancellationTokenSource = new CancellationTokenSource();
PingOptions pingOptions = new PingOptions()
{
Attempts = SettingsManager.Current.Ping_Attempts,
Timeout = SettingsManager.Current.Ping_Timeout,
Buffer = new byte[SettingsManager.Current.Ping_Buffer],
TTL = SettingsManager.Current.Ping_TTL,
DontFragment = SettingsManager.Current.Ping_DontFragment,
WaitTime = SettingsManager.Current.Ping_WaitTime,
ExceptionCancelCount = SettingsManager.Current.Ping_ExceptionCancelCount
};
Ping ping = new Ping();
ping.PingReceived += Ping_PingReceived;
ping.PingCompleted += Ping_PingCompleted;
ping.PingException += Ping_PingException;
ping.UserHasCanceled += Ping_UserHasCanceled;
ping.SendAsync(ipAddress, pingOptions, cancellationTokenSource.Token);
}
private async void StartTrace()
{
DisplayStatusMessage = false;
IsTraceRunning = true;
// Measure the time
StartTime = DateTime.Now;
stopwatch.Start();
dispatcherTimer.Tick += DispatcherTimer_Tick;
dispatcherTimer.Interval = new TimeSpan(0, 0, 0, 0, 100);
dispatcherTimer.Start();
EndTime = null;
TraceResult.Clear();
Hops = 0;
// Try to parse the string into an IP-Address
IPAddress.TryParse(HostnameOrIPAddress, out IPAddress ipAddress);
try
{
// Try to resolve the hostname
if (ipAddress == null)
{
IPHostEntry ipHostEntrys = await Dns.GetHostEntryAsync(HostnameOrIPAddress);
foreach (IPAddress ip in ipHostEntrys.AddressList)
{
if (ip.AddressFamily == AddressFamily.InterNetwork && SettingsManager.Current.Traceroute_ResolveHostnamePreferIPv4)
{
ipAddress = ip;
continue;
}
else if (ip.AddressFamily == AddressFamily.InterNetworkV6 && !SettingsManager.Current.Traceroute_ResolveHostnamePreferIPv4)
{
ipAddress = ip;
continue;
}
}
// Fallback --> If we could not resolve our prefered ip protocol
if (ipAddress == null)
{
foreach (IPAddress ip in ipHostEntrys.AddressList)
{
ipAddress = ip;
continue;
}
}
}
cancellationTokenSource = new CancellationTokenSource();
TracerouteOptions tracerouteOptions = new TracerouteOptions
{
Timeout = SettingsManager.Current.Traceroute_Timeout,
Buffer = SettingsManager.Current.Traceroute_Buffer,
MaximumHops = SettingsManager.Current.Traceroute_MaximumHops,
DontFragement = true
};
Traceroute traceroute = new Traceroute();
traceroute.HopReceived += Traceroute_HopReceived;
traceroute.TraceComplete += Traceroute_TraceComplete;
traceroute.MaximumHopsReached += Traceroute_MaximumHopsReached;
traceroute.UserHasCanceled += Traceroute_UserHasCanceled;
traceroute.TraceAsync(ipAddress, tracerouteOptions, cancellationTokenSource.Token);
// Add the hostname or ip address to the history
HostnameOrIPAddressHistory = new List <string>(HistoryListHelper.Modify(HostnameOrIPAddressHistory, HostnameOrIPAddress, SettingsManager.Current.Application_HistoryListEntries));
}
catch (SocketException) // This will catch DNS resolve errors
{
TracerouteFinished();
StatusMessage = string.Format(Application.Current.Resources["String_CouldNotResolveHostnameFor"] as string, HostnameOrIPAddress);
DisplayStatusMessage = true;
}
catch (Exception ex) // This will catch any exception
{
TracerouteFinished();
StatusMessage = ex.Message;
DisplayStatusMessage = true;
}
}
private void StartLookup()
{
DisplayStatusMessage = false;
IsLookupRunning = true;
// Reset statistic
DNSServerAndPort = string.Empty;
Questions = 0;
Answers = 0;
Authorities = 0;
Additionals = 0;
MessageSize = 0;
// Measure the time
StartTime = DateTime.Now;
stopwatch.Start();
dispatcherTimer.Tick += DispatcherTimer_Tick;
dispatcherTimer.Interval = new TimeSpan(0, 0, 0, 0, 100);
dispatcherTimer.Start();
EndTime = null;
// Reset the latest results
LookupResult.Clear();
HostnameOrIPAddressHistory = new List <string>(HistoryListHelper.Modify(HostnameOrIPAddressHistory, HostnameOrIPAddress, SettingsManager.Current.Application_HistoryListEntries));
DNSLookupOptions DNSLookupOptions = new DNSLookupOptions();
if (SettingsManager.Current.DNSLookup_UseCustomDNSServer)
{
if (!string.IsNullOrEmpty(SettingsManager.Current.DNSLookup_CustomDNSServer))
{
DNSLookupOptions.UseCustomDNSServer = SettingsManager.Current.DNSLookup_UseCustomDNSServer;
DNSLookupOptions.CustomDNSServer = SettingsManager.Current.DNSLookup_CustomDNSServer;
}
else
{
StatusMessage = Application.Current.Resources["String_CustomDNSServerIsEmptyCheckYourSettingsUseWindowsOwnDNSServer"] as string;
DisplayStatusMessage = true;
}
}
DNSLookupOptions.Class = SettingsManager.Current.DNSLookup_Class;
DNSLookupOptions.Type = SettingsManager.Current.DNSLookup_Type;
DNSLookupOptions.Recursion = SettingsManager.Current.DNSLookup_Recursion;
DNSLookupOptions.UseResolverCache = SettingsManager.Current.DNSLookup_UseResolverCache;
DNSLookupOptions.TransportType = SettingsManager.Current.DNSLookup_TransportType;
DNSLookupOptions.Attempts = SettingsManager.Current.DNSLookup_Attempts;
DNSLookupOptions.Timeout = SettingsManager.Current.DNSLookup_Timeout;
DNSLookupOptions.ResolveCNAME = SettingsManager.Current.DNSLookup_ResolveCNAME;
DNSLookup DNSLookup = new DNSLookup();
DNSLookup.RecordReceived += DNSLookup_RecordReceived;
DNSLookup.LookupError += DNSLookup_LookupError;
DNSLookup.LookupComplete += DNSLookup_LookupComplete;
string hostnameOrIPAddress = HostnameOrIPAddress;
string dnsSuffix = string.Empty;
// Detect hostname (usually they don't contain ".")
if (HostnameOrIPAddress.IndexOf(".", StringComparison.OrdinalIgnoreCase) == -1)
{
if (SettingsManager.Current.DNSLookup_AddDNSSuffix)
{
if (SettingsManager.Current.DNSLookup_UseCustomDNSSuffix)
{
dnsSuffix = SettingsManager.Current.DNSLookup_CustomDNSSuffix;
}
else
{
dnsSuffix = IPGlobalProperties.GetIPGlobalProperties().DomainName;
}
}
}
// Append dns suffix to hostname
if (!string.IsNullOrEmpty(dnsSuffix))
{
hostnameOrIPAddress += string.Format("{0}{1}", dnsSuffix.StartsWith(".") ? "" : ".", dnsSuffix);
}
DNSLookup.LookupAsync(hostnameOrIPAddress, DNSLookupOptions);
}
