public void Initialize(IScriptExecutorBase Executor)
{
DebugEx.WriteLine("Initializing PGTNetworkDiscovery CustomActionHandler... ", DebugLevel.Informational);
_terminated = false;
local_dataset = new CDPDataSet();
local_dataset.Clear();
ScriptSettings = SettingsManager.GetCurrentScriptSettings();
Guid engineID = Executor.EngineID;
// search an existing inventory file and load. used later for checking domain boundary
InventoryFileName = string.Format("{0}{1}{2}.xml", Helper.GetWorkingDirectory(), Options.Default.InventoryDBDirectory, engineID.ToString());
DebugEx.WriteLine(string.Format("Checking for pre-existing inventory file {0}... ", InventoryFileName), DebugLevel.Informational);
if (File.Exists(InventoryFileName))
{
try
{
local_dataset.ReadXml(InventoryFileName);
InventoryPreProvisioned = true;
AllowRecursion = local_dataset.Parameters.First()?.AllowRecursion ?? Options.Default.MRUActiveDiscovery;
DebugEx.WriteLine(string.Format("Inventory file loaded successfully. Active discovery is {0}.", AllowRecursion ? "enabled" : "disabled"), DebugLevel.Informational);
}
catch (Exception Ex)
{
DebugEx.WriteLine(string.Format("Error loading inventory file : {0}", Ex.InnerExceptionsMessage()));
}
}
else
{
AllowRecursion = Options.Default.MRUActiveDiscovery;
DebugEx.WriteLine(string.Format("File {0} does not exist. Active discovery is {1}.", InventoryFileName, AllowRecursion ? "enabled" : "disabled"), DebugLevel.Informational);
}
}
public CDPParser(IScriptExecutorBase Executor, DeviceConnectionInfo ConnectionInfo, bool AllowRecursion)
{
_Executor = Executor;
_ConnectionInfo = ConnectionInfo;
_AllowRecursion = AllowRecursion;
}
public NXOS_CDPParser(IScriptExecutorBase Executor, DeviceConnectionInfo ConnectionInfo, bool AllowRecursion) : base(Executor, ConnectionInfo, AllowRecursion)
{
}
public void HostUnreachable(IScriptExecutorBase Executor, DeviceConnectionInfo ConnectionInfo)
{
}
public bool DoCustomAction(IScriptExecutorBase Executor, DeviceConnectionInfo ConnectionInfo, out dynamic ActionResult, out bool ConnectionDropped, out bool BreakExecution)
{
bool result = false;
ActionResult = "Custom action not implemented";
ConnectionDropped = false;
BreakExecution = false;
IScriptableSession st = (IScriptableSession)Executor.Session;
int DeviceID = 0;
if (ConnectionInfo.CustomActionID == "PGTNetworkDiscovery")
{
if (ConnectionInfo.VendorName.ToLowerInvariant() == "cisco")
{
#region Cisco
ActionResult = "Error processing PGTNetworkDiscovery for Cisco";
string show_ver = string.Empty;
string device_type = "router";
string actual_hostname = string.Empty;
string show_inventory = string.Empty;
string system_serial = string.Empty;
#region SHOW VER, Virtual switch, Stacked switch
Executor.ShowActivity("Retrieving device information...");
show_ver = st.ExecCommand("sh ver");
actual_hostname = st.GetHostName();
string virtualswitch = st.ExecCommand("sh switch virtual");
bool isVSS = false;
try
{
isVSS = virtualswitch.SplitByLine().First().Split(':')[1].ToLowerInvariant().Trim() == "virtual switch";
}
catch (Exception Ex)
{
DebugEx.WriteLine(String.Format("CDP2VISIO : error parsing \"sh virtual switch\" output : {0}", Ex.InnerExceptionsMessage()), DebugLevel.Debug);
}
int stackCount = 0;
string stackedswitches = st.ExecCommand("sh switch");
try
{
if (stackedswitches.ToLowerInvariant().StartsWith("switch/stack"))
{
stackCount = stackedswitches.SplitByLine().Count(l => l.SplitBySpace()[0].Trim('*').IsInt());
}
}
catch (Exception Ex)
{
DebugEx.WriteLine(String.Format("CDP2VISIO : error parsing \"sh switch\" output : {0}", Ex.InnerExceptionsMessage()), DebugLevel.Debug);
}
#endregion
try
{
#region Identify device
show_inventory = st.ExecCommand("show inventory");
// Indicates that we are connected to an ASA, using later for VLAN discovery
bool isASA = show_inventory.IndexOf("Adaptive Security Appliance") >= 0;
// some switches doe no support the "show inventory" command
bool exec_error = show_inventory.ToLowerInvariant().Contains("invalid input detected") || ScriptSettings.FailedCommandPattern.SplitBySemicolon().Any(w => show_inventory.IndexOf(w) >= 0);
if (exec_error)
{
DebugEx.WriteLine(String.Format("CDP2VISIO : switch does not support \"sh inventory\" command, parsing version information"), DebugLevel.Debug);
// try to parse sh_version to get system serial numbers
try
{
system_serial = string.Join(",", show_ver.SplitByLine().Where(l => l.StartsWith("System serial number")).Select(l => l.Split(':')[1].Trim()));
}
catch (Exception Ex)
{
DebugEx.WriteLine(String.Format("CDP2VISIO : error searching serial number in \"sh version\" output : {0}", Ex.InnerExceptionsMessage()), DebugLevel.Debug);
}
}
else
{
// This should return system serial most of the time
try
{
if (stackCount > 0)
{
// if stackCount > 0 the switch supported the "show switch" command. Probably also understands "show module"
string modules = st.ExecCommand("show module");
// some switches who support the "show switch" command may still do not understand "show modules"
exec_error = modules.ToLowerInvariant().Contains("invalid input detected") || ScriptSettings.FailedCommandPattern.SplitBySemicolon().Any(w => modules.IndexOf(w) >= 0);
if (exec_error)
{
DebugEx.WriteLine(String.Format("CDP2VISIO : switch does not support \"sh module\" command, parsing version information"), DebugLevel.Debug);
// try to parse sh_version to get system serial numbers
system_serial = string.Join(",", show_ver.SplitByLine().Where(l => l.StartsWith("System serial number")).Select(l => l.Split(':')[1].Trim()));
}
else
{
// select lines starting with a number. These are assumed the be the switches in stack
var switchList = modules.SplitByLine().Where(l => l.SplitBySpace()[0].Trim('*').IsInt());
// each line contains the serial number in th 4th column
system_serial = string.Join(",", switchList.Select(m => m.SplitBySpace()[3]));
}
}
else
{
system_serial = show_inventory.SplitByLine().First(l => l.StartsWith("PID:")).Split(',')[2].Split(':')[1].Trim();
}
}
catch (Exception Ex)
{
system_serial = "parsing error";
DebugEx.WriteLine(string.Format("Error parsing serial number : {0}", Ex.InnerExceptionsMessage()), DebugLevel.Error);
}
}
#endregion
#region Add New Device to DB with inlist
// Two devices considered identical if :
// - have the same hostname, or
// - have the same IPAddress
CDPDataSet.DevicesRow device_row = local_dataset.Devices.FirstOrDefault(d =>
d.IP_Address.SplitBySemicolon().Any(thisIP => thisIP == ConnectionInfo.DeviceIP) ||
d.Name.SplitBySemicolon().Any(thisName => DottedNameSpace.CompateTLD(thisName, ConnectionInfo.HostName))
);
if (device_row == null) //If NOT found in the DB have to ADD as new
{
device_row = local_dataset.Devices.NewDevicesRow();
device_row.SystemSerial = system_serial;
device_row.IP_Address = ConnectionInfo.DeviceIP;
device_row.Name = actual_hostname;
device_row.VersionInfo = show_ver;
device_row.Type = isASA ? "ASA" : isVSS ? "VSS" : stackCount > 1 ? string.Format("Stack{0}", stackCount) : device_type;
device_row.Inventory = show_inventory;
local_dataset.Devices.AddDevicesRow(device_row);
DeviceID = device_row.ID;
}
else //IF found in the existing DB have to update!
{
device_row.VersionInfo = show_ver;
device_row.Inventory = show_inventory;
device_row.SystemSerial = system_serial;
if (isASA)
{
device_row.Type = "ASA";
}
else if (isVSS)
{
device_row.Type = "VSS";
}
else if (stackCount > 1)
{
device_row.Type = string.Format("Stack{0}", stackCount);
}
}
#endregion
#region SHOW CDP NEIGHBOUR
if (!isASA)
{
Executor.ShowActivity("Checking for CDP neighbors...");
string cdpResult = st.ExecCommand("sh cdp neighbors detail");
CDPParser thisParser;
if (show_ver.IndexOf("NX-OS") >= 0)
{
thisParser = new NXOS_CDPParser(Executor, ConnectionInfo, AllowRecursion);
thisParser.ProcessCDPResult(cdpResult, device_row, local_dataset);
}
else
{
thisParser = new IOS_CDPParser(Executor, ConnectionInfo, AllowRecursion);
thisParser.ProcessCDPResult(cdpResult, device_row, local_dataset);
}
}
#endregion
#region Collect interface configuration details for CDP connected interfaces
Executor.ShowActivity("Collecting CDP connected interface information...");
var query_local_interfaces = from device in local_dataset.Devices
where (device.ID == device_row.ID)
join neigh in local_dataset.Neighbours on device.ID equals neigh.Parent_ID
select new
{
local_int = neigh.Local_Interface,
ID = device.ID,
};
foreach (var thisInterface in query_local_interfaces)
{
CDP2VISIO.CDPDataSet.InterfacesRow interface_row = null;
interface_row = local_dataset.Interfaces.NewInterfacesRow();
string command = "sh run interface " + thisInterface.local_int;
string commandResult = st.ExecCommand(command);
commandResult = commandResult.ToLower();
string[] lines_in_commandresult = commandResult.Split("\r\n".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
string interface_config = string.Empty;
bool addtoconfig = false;
foreach (var line in lines_in_commandresult)
{
if (line.IndexOf(RevConvInt(thisInterface.local_int)) >= 0)
{
addtoconfig = true;
}
if (addtoconfig)
{
interface_config = interface_config + line + "\r\n";
}
}
interface_row.ID = thisInterface.ID;
interface_row.Name = thisInterface.local_int;
interface_row.Running_config = interface_config;
local_dataset.Interfaces.AddInterfacesRow(interface_row);
}
#endregion
#region Collect overall interface status information
if (Options.Default.DisplayConnected && !isASA)
{
Executor.ShowActivity("Checking interface status...");
string[] ifDesc = st.ExecCommand("show interface description").SplitByLine();
foreach (string thisIfDescription in ifDesc.SkipWhile((string s, int i) => i < 1))
{
string[] ifDescrWords = thisIfDescription.SplitBySpace();
string IFName = Common.ConvInt(ifDescrWords[0]);
if (!IFName.StartsWith("vl")) // Don't care vlan interfaces here
{
string IFStatus = string.Format("{0}/{1}", ifDescrWords[1], ifDescrWords[2]);
string IFDescription = string.Join(" ", ifDescrWords.SkipWhile((string s, int i) => i < 3));
var foundIF = from thisIF in local_dataset.Interfaces where thisIF.ID == device_row.ID && thisIF.Name == IFName select thisIF;
if (foundIF.Count() == 1)
{
// Update existing IF data
foundIF.ElementAt(0).Status = IFStatus;
foundIF.ElementAt(0).Description = IFDescription;
}
else
{
// Add as new IF
CDPDataSet.InterfacesRow thisIF = local_dataset.Interfaces.NewInterfacesRow();
thisIF.ID = device_row.ID;
thisIF.Name = IFName;
thisIF.Status = IFStatus;
thisIF.Description = IFDescription;
local_dataset.Interfaces.AddInterfacesRow(thisIF);
}
}
}
}
#endregion
#region Collect VLAN interface information
if (isASA)
{
Executor.ShowActivity("Gathering VLAN information...");
// Contains the L3 information : interface names, interface ip, network, mask
List <string> VLANInfo = new List <string>();
string asaIFs = st.ExecCommand("sh int ip brief");
device_row.L3InterfaceInformation = asaIFs;
foreach (string thisInterface in asaIFs.SplitByLine().SkipWhile(l => l.StartsWith("Interface")))
{
string[] ifWords = thisInterface.SplitBySpace();
string asaIFName = ifWords[0];
string nameIF = "";
string secLevel = "";
string vlanIPAddr = "";
string vlanNetMask = "";
string netaddress = "";
int maskLength = 0;
int vlanID = 0;
string thisIFConfig = st.ExecCommand(string.Format("sh run int {0}", asaIFName));
foreach (string thisConfigLine in thisIFConfig.SplitByLine().Select(s => s.Trim()))
{
if (thisConfigLine.StartsWith("vlan"))
{
int.TryParse(thisConfigLine.SplitBySpace()[1], out vlanID);
}
else if (thisConfigLine.StartsWith("nameif"))
{
nameIF = thisConfigLine.SplitBySpace()[1];
}
else if (thisConfigLine.StartsWith("security-level"))
{
secLevel = thisConfigLine.SplitBySpace()[1];
}
else if (thisConfigLine.StartsWith("ip address"))
{
string[] lineWords = thisConfigLine.SplitBySpace();
vlanIPAddr = lineWords[2];
vlanNetMask = lineWords[3];
maskLength = IPOperations.GetMaskLength(vlanNetMask);
netaddress = IPOperations.GetNetworkAddress(vlanIPAddr, maskLength);
}
}
string networkAddressPrint = "";
if (maskLength > 0)
{
networkAddressPrint = string.Format("{0}/{1}", netaddress, maskLength);
}
string reportedIFName = string.Format("{0} name: {1} security-level: {2}", asaIFName, nameIF, secLevel);
VLANInfo.Add(string.Join(";", new string[] { vlanID == 0 ? "routed" : vlanID.ToString(), reportedIFName, vlanIPAddr, vlanNetMask, networkAddressPrint }));
#region Add ASA interface to inventory database
string IFStatus = "n/a";
if (ifWords.Length == 6)
{
IFStatus = string.Format("{0}/{1}", ifWords[4], ifWords[5]);
}
else if (ifWords.Length == 7)
{
IFStatus = string.Format("{0} {1}/{2}", ifWords[4], ifWords[5], ifWords[6]);
}
var foundIF = from thisIF in local_dataset.Interfaces where thisIF.ID == device_row.ID && thisIF.Name == asaIFName select thisIF;
if (foundIF.Count() == 1)
{
// Update existing IF data
foundIF.ElementAt(0).Status = IFStatus;
foundIF.ElementAt(0).Description = reportedIFName;
}
else
{
// Add as new IF
CDPDataSet.InterfacesRow thisIF = local_dataset.Interfaces.NewInterfacesRow();
thisIF.ID = device_row.ID;
thisIF.Name = asaIFName;
thisIF.Status = IFStatus;
thisIF.Description = reportedIFName;
local_dataset.Interfaces.AddInterfacesRow(thisIF);
}
#endregion
}
device_row.VLANInformation = string.Join(Environment.NewLine, VLANInfo);
}
else
{
Executor.ShowActivity("Gathering VLAN interface information...");
// TODO : for routers, also include "sh ip int brief"
string vlanIFs = st.ExecCommand("sh ip int brief | i [Vv]lan");
device_row.L3InterfaceInformation = vlanIFs;
#region Collect network details for VLANs
// Contains the list of VLAN interface names
List <string> VLANInterfaces = Regex.Matches(vlanIFs, "^Vlan(\\d+)", RegexOptions.Multiline).Cast <Match>().Select(m => m.Value.ToLowerInvariant()).ToList();
// Contains the L3 information : interface names, interface ip, network, mask
List <string> VLANInfo = new List <string>();
string vlans = st.ExecCommand("sh vlan");
bool addLineToOutput = false;
foreach (string line in vlans.SplitByLine())
{
if (line.StartsWith("---"))
{
addLineToOutput = !addLineToOutput;
if (!addLineToOutput)
{
break;
}
}
else if (addLineToOutput)
{
string[] words = line.SplitBySpace();
int vlanID = -1;
if (int.TryParse(words[0], out vlanID))
{
string vlanName = words[1];
string vlanIPAddr = "";
string vlanNetMask = "";
string netaddress = "";
int maskLength = 0;
// Check if current VLAN has a corresponding VLAN interface definition
if (VLANInterfaces.Contains(string.Format("vlan{0}", vlanID)))
{
string vlanIntConfig = st.ExecCommand(string.Format("sh run int vlan{0}", vlanID));
string ipAddressLine = vlanIntConfig.SplitByLine().FirstOrDefault(l => l.Trim().StartsWith("ip address"));
if (ipAddressLine != null)
{
string[] addr = ipAddressLine.SplitBySpace();
vlanIPAddr = addr[2];
vlanNetMask = addr[3];
maskLength = IPOperations.GetMaskLength(vlanNetMask);
netaddress = IPOperations.GetNetworkAddress(vlanIPAddr, maskLength);
}
else
{
ipAddressLine = vlanIntConfig.SplitByLine().FirstOrDefault(l => l.Trim().StartsWith("no ip address"));
if (ipAddressLine != null)
{
vlanIPAddr = "no ip address";
}
}
}
string networkAddressPrint = "";
if (maskLength > 0)
{
networkAddressPrint = string.Format("{0}/{1}", netaddress, maskLength);
}
VLANInfo.Add(string.Join(";", new string[] { vlanID.ToString(), vlanName, vlanIPAddr, vlanNetMask, networkAddressPrint }));
}
}
}
device_row.VLANInformation = string.Join(Environment.NewLine, VLANInfo);
#endregion
}
#endregion
result = true;
ActionResult = "Discovery information processing finished successfully.";
if (system_serial == "")
{
ActionResult += "Warning : Could not identify system serial number.";
}
}
catch (Exception Ex)
{
ActionResult = string.Format("Unexpected processing error : {0} {1}", Ex.Message, Ex.InnerException?.Message);
}
#endregion
}
else if (ConnectionInfo.VendorName.ToLowerInvariant() == "junos")
{
#region JunOS
//
// http://www.juniper.net/documentation/en_US/junos11.1/topics/task/configuration/802-1x-lldp-cli.html
//
ActionResult = "Error processing PGTNetworkDiscovery for JunOS";
string show_ver = string.Empty;
string device_type = "router";
string actual_hostname = string.Empty;
string show_inventory = string.Empty;
string system_serial = string.Empty;
int stackCount = 0;
#region Identify device
show_inventory = st.ExecCommand("show chassis hardware");
// Indicates that we are connected to an ASA, using later for VLAN discovery
bool isASA = show_inventory.IndexOf("Adaptive Security Appliance") >= 0;
// some switches doe no support the "show inventory" command
bool exec_error = show_inventory.ToLowerInvariant().Contains("invalid input detected") || ScriptSettings.FailedCommandPattern.SplitBySemicolon().Any(w => show_inventory.IndexOf(w) >= 0);
if (exec_error)
{
DebugEx.WriteLine(String.Format("CDP2VISIO : switch does not support \"sh inventory\" command, parsing version information"), DebugLevel.Debug);
// try to parse sh_version to get system serial numbers
try
{
system_serial = string.Join(",", show_ver.SplitByLine().Where(l => l.StartsWith("System serial number")).Select(l => l.Split(':')[1].Trim()));
}
catch (Exception Ex)
{
DebugEx.WriteLine(String.Format("CDP2VISIO : error searching serial number in \"sh version\" output : {0}", Ex.InnerExceptionsMessage()), DebugLevel.Debug);
}
}
else
{
// This should return system serial most of the time
try
{
if (stackCount > 0)
{
// if stackCount > 0 the switch supported the "show switch" command. Probably also understands "show module"
string modules = st.ExecCommand("show module");
// some switches who support the "show switch" command may still do not understand "show modules"
exec_error = modules.ToLowerInvariant().Contains("invalid input detected") || ScriptSettings.FailedCommandPattern.SplitBySemicolon().Any(w => modules.IndexOf(w) >= 0);
if (exec_error)
{
DebugEx.WriteLine(String.Format("CDP2VISIO : switch does not support \"sh module\" command, parsing version information"), DebugLevel.Debug);
// try to parse sh_version to get system serial numbers
system_serial = string.Join(",", show_ver.SplitByLine().Where(l => l.StartsWith("System serial number")).Select(l => l.Split(':')[1].Trim()));
}
else
{
// select lines starting with a number. These are assumed the be the switches in stack
var switchList = modules.SplitByLine().Where(l => l.SplitBySpace()[0].Trim('*').IsInt());
// each line contains the serial number in th 4th column
system_serial = string.Join(",", switchList.Select(m => m.SplitBySpace()[3]));
}
}
else
{
system_serial = show_inventory.SplitByLine().First(l => l.StartsWith("PID:")).Split(',')[2].Split(':')[1].Trim();
}
}
catch (Exception Ex)
{
system_serial = "parsing error";
DebugEx.WriteLine(string.Format("Error parsing serial number : {0}", Ex.InnerExceptionsMessage()), DebugLevel.Error);
}
}
#endregion
#endregion
}
}
return(result);
}