def ParseInterfaceConfigurations(self):
"""Gets router running configurtion to collect interface configurations"""
# Get running configuration to parse
if not self._running_config:
self._running_config = Session.ExecCommand("show running-config")
self._interfaceConfigurations = {}
currentIntfName = ""
currentIntfConfig = []
intfConfigBlock = False
for thisLine in self._running_config.splitlines():
try:
words = filter(None, thisLine.split(" "))
rep_IntfLine = r"(?<=^interface)\s+(\d+\/\d+)"
m_intfLine = re.findall(rep_IntfLine, thisLine, re.IGNORECASE)
if len(m_intfLine):
# This should be a new interface definition
currentIntfConfig = []
currentIntfName = m_intfLine[0].strip()
intfConfigBlock = True
elif intfConfigBlock:
sline = thisLine.strip()
if sline and sline != "exit":
currentIntfConfig.append(sline)
if sline == "exit" and currentIntfName:
# add the interface config
self._interfaceConfigurations[
currentIntfName] = "\r\n".join(currentIntfConfig)
intfConfigBlock = False
except Exception as Ex:
message = "Hirschmann.InterfaceParser.ParseInterfaceConfigurations() : could not parse an interface configuration for line <{0}>. Error is : {1} ".format(
thisLine, str(Ex))
DebugEx.WriteLine(message)
def ParseInterfaceConfigurations(self):
"""Gets router running configurtion to collect interface configurations"""
# Get running configuration to parse
if not self._running_config:
self._running_config = Session.ExecCommand(
"show running-config interface")
if len(
self._running_config
) < 100 and "Command authorization failed" in self._running_config:
# some systems may not allow running "show run" but still allow "show tech", let's give a try :-)
tech_support_ipc = Session.ExecCommand("show tech-support")
temp_running_config = []
riBlock = False
for line in tech_support_ipc.splitlines():
if riBlock:
if line.find("--- show") > 0:
# end of running configuration block
break
temp_running_config.append(line)
else:
if line.find("--- show running-config ---") > 0:
# start of running configuration block
riBlock = True
self._running_config = "\r\n".join(temp_running_config)
self._interfaceConfigurations = {}
self._ifNames = {}
self._nameIfs = {}
currentIntfName = ""
currentIntfConfig = []
for thisLine in self._running_config.splitlines():
try:
words = thisLine.split(" ")
if thisLine.startswith("interface") and len(words) == 2:
# This should be a new interface definition
if currentIntfName != "":
# add previous interface
self._interfaceConfigurations[
currentIntfName] = "\r\n".join(currentIntfConfig)
# Clear current configuration
currentIntfConfig = []
currentIntfName = words[1]
else:
sline = thisLine.strip(' ')
if sline != "!":
currentIntfConfig.append(sline)
# region memorize ASA nameif properties
m = re.findall(r"(?<=nameif ).*", sline)
if len(m) == 1:
nameif = m[0].strip()
self._ifNames[currentIntfName] = nameif
self._nameIfs[nameif] = currentIntfName
except Exception as Ex:
message = "CiscoASA.InterfaceParser.ParseInterfaceConfigurations() : could not parse an interface configuration for line <{0}>. Error is : {1} ".format(
thisLine, str(Ex))
DebugEx.WriteLine(message)
def GetSystemMAC(self, instance):
"""Returns the MAC addresses associated with the local system for the given routing instance"""
systemMAC = ""
v = self.GetVersion()
rep_BackplaneMAC = r"^Base MAC Address(?:.+\.)\s(.*)"
try:
systemMAC = GetRegexGroupMatches(rep_BackplaneMAC, v, 1)[0].strip()
except Exception as Ex:
DebugEx.WriteLine(
"HirschmannMACH.GetSystemMAC() : unexpected error : {0}".
format(str(Ex)))
return systemMAC
def GetManagementIP(self):
"""Returns the management ip address as a string"""
sysIP = ConnectionInfo.DeviceIP
v = self.GetVersion()
rep_SystemIP = r"system ip address\.+(.*)"
try:
sysIP = GetRegexGroupMatches(rep_SystemIP, v, 1)[0].strip()
except Exception as Ex:
DebugEx.WriteLine(
"HirschmannMACH.GetManagementIP() : unexpected error : {0}".
format(str(Ex)))
return sysIP
def GetHostName(self):
""" Returns the host bane as a string"""
if not self._hostName:
v = self.GetVersion()
rep_SystemName = r"^System Name\.+(.*)"
try:
self._hostName = GetRegexGroupMatches(rep_SystemName, v,
1)[0].strip()
except Exception as Ex:
DebugEx.WriteLine(
"HirschmannMACH.GetHostName() : unexpected error : {0}".
format(str(Ex)))
return self._hostName
def GetInventory(self):
"""Returns the device inventory string"""
if self.SwitchType == HirshmannSwitchType.MachSwitch:
# regex group 1 : Power Supply Information
rep_PSInfo = r"power supply information:([\s\S]+(?=media module information))"
# regex group 1 : Media Module Information
rep_MMInfo = r"media module information:([\s\S]+(?=sfp information))"
# regex group 1 : Media Module Information
rep_SFPInfo = r"sfp information[\w\s\S]+:([\s\S]+(?=^CPU))"
v = self.GetVersion()
inventoryText = "unknown"
try:
PSInfo = GetRegexGroupMatches(rep_PSInfo, v, 1)[0]
MMInfo = GetRegexGroupMatches(rep_MMInfo, v, 1)[0]
SFPInfo = GetRegexGroupMatches(rep_SFPInfo, v, 1)[0]
inventoryText = "\r\n".join([PSInfo, MMInfo, SFPInfo])
except Exception as Ex:
DebugEx.WriteLine(
"HirschmannMACH.GetInventory() : unexpected error : {0}".
format(str(Ex)))
return inventoryText
elif self.SwitchType == HirshmannSwitchType.RailSwitch:
# regex group 1 : Power Supply Information
rep_PSInfo = r"power supply.*"
# regex group 1 : Media Module Information
rep_MMInfo = r"media module information.*"
v = self.GetVersion()
inventoryText = "unknown"
try:
PSInfo = "\r\n".join(re.findall(rep_PSInfo, v, re.IGNORECASE))
MMInfo = "\r\n".join(re.findall(rep_MMInfo, v, re.IGNORECASE))
inventoryText = "\r\n".join([PSInfo, MMInfo])
except Exception as Ex:
DebugEx.WriteLine(
"HirschmannMACH.GetInventory() : unexpected error : {0}".
format(str(Ex)))
return inventoryText
def GetSystemSerial(self):
"""Returns System serial numbers as a string, calculated from Inventory"""
if not self._SystemSerial :
ss = ""
# first try to check inventory for serial numbers
inv = self.GetInventory()
failwords = self.ScriptSettings.FailedCommandPattern.split(";")
if any(fw in inv for fw in failwords) or "invalid input" in inv.lower():
# show inventory did not work, try to parse version information for system serial number
DebugEx.WriteLine("CiscoIOSRouter : router does not support \"show inventory\" command, parsing version information", DebugLevel.Debug)
r_serial = re.findall(r"(?<=System serial number : ).*", self.GetVersion(), re.IGNORECASE)
if len(r_serial) > 0:
self._SystemSerial = r_serial[0]
else:
if self.GetStackCount() > 0 :
modules = Session.ExecCommand("show module")
if any(fw in modules for fw in failwords) or "invalid input" in modules.lower():
# show module did not work, try to parse version information to get system serial numbers
DebugEx.WriteLine("CiscoIOSRouter : router does not support \"sh module\" command, parsing version information", DebugLevel.Debug)
r_serial = re.findall(r"(?<=System serial number : ).*", self.GetVersion(), re.IGNORECASE)
if len(r_serial) > 0:
self._SystemSerial = r_serial[0]
else:
# try to parse sh_version to get system serial numbers
# TODO : missing command output sample to process
pass
else:
SNs = re.finditer(r"(?<=SN: ).*", inv, re.MULTILINE)
self._SystemSerial = ",".join([SN.group() for matchNum, SN in enumerate(SNs, start=1)])
FPCs = re.findall(r"FPC \d.*", inv)
for thisFPC in FPCs :
words = filter(None, thisFPC.split(" "))
ss += (";" + words[5])
self._SystemSerial = ss.strip(";")
return self._SystemSerial
def GetSystemSerial(self):
"""Returns System serial numbers as a string, calculated from Inventory"""
if not self._SystemSerial:
v = self.GetVersion()
if self.SwitchType == HirshmannSwitchType.MachSwitch:
rep_BackplaneSerial = r"^Serial Number \(Backplane\)\.+(.*)"
elif self.SwitchType == HirshmannSwitchType.RailSwitch:
rep_BackplaneSerial = r"^Serial Number\.+(.*)"
try:
self._SystemSerial = GetRegexGroupMatches(
rep_BackplaneSerial, v, 1)[0].strip()
except Exception as Ex:
DebugEx.WriteLine(
"HirschmannMACH.GetSystemSerial() : unexpected error : {0}"
.format(str(Ex)))
return self._SystemSerial
def GetModelNumber(self):
"""Returns Model number as a string, calculated from Inventory"""
if not self._ModelNumber:
v = self.GetVersion()
if self.SwitchType == HirshmannSwitchType.MachSwitch:
rep_Backplane = r"Backplane Hardware Description\.+(.*)"
elif self.SwitchType == HirshmannSwitchType.RailSwitch:
rep_Backplane = r"Hardware Description\.+(.*)"
try:
self._ModelNumber = GetRegexGroupMatches(rep_Backplane, v,
1)[0].strip()
except Exception as Ex:
DebugEx.WriteLine(
"HirschmannMACH.GetModelNumber() : unexpected error : {0}".
format(str(Ex)))
return self._ModelNumber
def GetSystemMAC(self, instance):
"""Returns the CSV list of MAC addresses associated with the local system for the given routing instance"""
# For ASA, we skip the instance. Cotexts are not yet supported by this parser
systemMACs = []
v = self.GetVersion()
rep_systemMACs = r"(?!0000)[a-f,0-9]{4}\.[a-f,0-9]{4}\.[a-f,0-9]{4}"
try:
ri_systemMACs = re.finditer(rep_systemMACs, v,
re.MULTILINE | re.IGNORECASE)
for index, match in enumerate(ri_systemMACs):
systemMACs.append(match.group())
except Exception as Ex:
DebugEx.WriteLine(
"CiscoASA.GetSystemMAC() : unexpected error : {0}".format(
str(Ex)))
return ",".join(systemMACs)
def ResolveObjectSubnet(self, objectName):
"""Returns a dictionary of network address and mask for the given object name like {Subnet:"1.0.0.0", Mask:"255.0.0.0"}"""
if not objectName:
return None
try:
result = Session.ExecCommand(
"show run object id {0}".format(objectName))
rep_SubnetAddressAndMask = r"\s+subnet\s(\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\b)\s(\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\b)"
subnetAddress = GetRegexGroupMatches(rep_SubnetAddressAndMask,
result, 1)[0]
subnetMask = GetRegexGroupMatches(rep_SubnetAddressAndMask, result,
2)[0]
return {"Subnet": subnetAddress, "Mask": subnetMask}
except Exception as Ex:
message = "CiscoASA Static route parser : could not resolve object name : {0} due to error : {1}".format(
objectName, str(Ex))
DebugEx.WriteLine(message)
return None
def Parse(self, nRegistry, cToken, instance):
"""Collects information about active tunnels and registers them with Network Discovery Engine"""
# The neighbor registry object is received as parameter
# This must be used to register a new neighbor for further discovery.
# --
# A CancellationToken is also passed as parameter. The token should be checked repetitively whether cancellation was requested
# by user and if yes, stop further processing.
# --
# The RoutingInstance object to work with is also passed as a parameter
instanceName = "default"
if instance: instanceName = instance.Name.lower()
OperationStatusLabel = "Collecting ip routes..."
cToken.ThrowIfCancellationRequested()
routes = Session.ExecCommand("show ip route static")
cToken.ThrowIfCancellationRequested()
OperationStatusLabel = "Processing STATIC route entries..."
# regex groups => 1 : network, 2 : subnet mask, 3 : preference, 4 : next-hop, 5: status, 6 : out interface
rep_StaticWithAddressOnly = r"^(\d{1,3}.\d{1,3}.\d{1,3}.\d{1,3})\s+(\d{1,3}.\d{1,3}.\d{1,3}.\d{1,3})\s+(\d+)\s+(\d{1,3}.\d{1,3}.\d{1,3}.\d{1,3})\s+([^\s]+)\s+([^\s]+)"
# Enumerate static routes containing addresses only
static_with_address = re.finditer(rep_StaticWithAddressOnly, routes,
re.MULTILINE)
for matchnum, match in enumerate(static_with_address):
try:
# Group 1 : destination network, Group 2 : metric, Group 3 : dst. network mask, Group 4: next-hop, Group5 : outgoing interface
networkAddress = match.group(1).strip()
networkAddressMask = match.group(2).strip()
maskLength = IPOperations.GetMaskLength(networkAddressMask)
routeForNetwork = "{0}/{1}".format(networkAddress, maskLength)
metric = match.group(3).strip()
nexthop = match.group(4).strip()
routeStatus = match.group(5).strip()
outInterfaceName = match.group(6).strip()
ri = self.Router.GetInterfaceByName(outInterfaceName, instance)
if ri != None:
OperationStatusLabel = "Registering static neighbor {0}...".format(
ri.Address)
nRegistry.RegisterSTATICNeighbor(self.Router, instance,
routeForNetwork, nexthop,
ri.Address, ri)
except Exception as Ex:
message = "Hirschmann Static route parser: could not parse a static route entry because : {0} ".format(
str(Ex))
DebugEx.WriteLine(message)
def RouteTableSize(self, instance):
"""Returns the size of the route table for the requested routing instance"""
instanceName = self._defaultRoutingInstanceName
if instance : instanceName = instance.Name
routeTableSize = -1
try :
cmd = "show ip route summary"
if instanceName != self._defaultRoutingInstanceName:
cmd = "show ip route vrf {0} summary".format(instanceName)
routeSummary = Session.ExecCommand(cmd)
routeTotals = filter(lambda s: s.startswith("Total"), routeSummary.splitlines())
if len(routeTotals) > 0:
# return the last number in Total line
words = filter(None, routeTotals[0].split(' '))
routeTableSize = int(words[2])
except Exception as Ex :
DebugEx.WriteLine("CiscoIOSRouter : error calculating route table size : {0}".format(str(Ex)))
return routeTableSize
def Parse(self, nRegistry, cToken, instance):
"""Collects information about active tunnels and registers them with Network Discovery Engine"""
# The neighbor registry object is received as parameter
# This must be used to register a new neighbor for further discovery.
# --
# A CancellationToken is also passed as parameter. The token should be checked repetitively whether cancellation was requested
# by user and if yes, stop further processing.
# --
# The RoutingInstance object to work with is also passed as a parameter
instanceName = "default"
if instance: instanceName = instance.Name.lower()
OperationStatusLabel = "Identifying router..."
#--
cToken.ThrowIfCancellationRequested()
#
# Compiled regex search patters
rep_ConnectionIndex = r"^Index\s+:\s(\d+)"
rep_ConnectionAddress = r"^Connection\s+:\s(.*)"
rep_Encryption = r"^Encryption\s+:\s(.*)"
rep_Hashing = r"^Hashing\s+:\s(.*)"
rep_EncHash = r"^Encryption\s+:\s(.+)Hashing\s+:\s(.+)"
# rep_IPSecBlocks = r"IPsec:.*\s*(?:(?:(?!^IPsec:)[\s\S])*)"
rep_LocalAddr = r"Local Addr\s+:\s((?:\d{1,3}.){3}\d{1,3}/(?:\d{1,3}.){3}\d{1,3})"
rep_RemoteAddr = r"Remote Addr\s+:\s((?:\d{1,3}.){3}\d{1,3}/(?:\d{1,3}.){3}\d{1,3})"
# get vpn session details for l2l tunnels
l2lTunnels = Session.ExecCommand("show vpn-sessiondb detail l2l")
# extract connection indexes, get match iterator
connectionIndexes = GetRegexGroupMatches(rep_ConnectionIndex,
l2lTunnels, 1)
try:
for thisConnectionIndex in connectionIndexes:
try:
# get detail for this connection index
thisConnectionDetails = Session.ExecCommand(
"show vpn-sessiondb detail index {0}".format(
thisConnectionIndex))
# extract remote ip address from thisConnectionDetails, get match iterator
thisConnectionRemoteAddresses = GetRegexGroupMatches(
rep_ConnectionAddress, thisConnectionDetails, 1)
for tunnel_RemoteAddress in thisConnectionRemoteAddresses:
# get local address for this remote address
thisConnectionIPSEC = Session.ExecCommand(
"sh crypto ipsec sa | i remote crypto endpt.: {0}".
format(tunnel_RemoteAddress)).splitlines()[0]
# extract the first ip address from result, that will be the local address
tunnel_LocalAddress = GetIndexedIPAddressFromLine(
thisConnectionIPSEC, 1)
if tunnel_LocalAddress:
cipherAlgs = GetRegexGroupMatches(
rep_EncHash, thisConnectionDetails, 1)
if len(cipherAlgs) > 0: cipherAlg = cipherAlgs[0]
else: cipherAlg = "n/a"
hashAlgs = GetRegexGroupMatches(
rep_EncHash, thisConnectionDetails, 2)
if len(hashAlgs) > 0: hashAlg = hashAlgs[0]
else: hashAlg = "n/a"
# get local / remote networks for each ipsec tunnel
localProxies = GetRegexGroupMatches(
rep_LocalAddr, thisConnectionDetails, 1)
remoteProxies = GetRegexGroupMatches(
rep_RemoteAddr, thisConnectionDetails, 1)
s_localProxies = "\r\n".join(localProxies)
s_remoteProxies = "\r\n".join(remoteProxies)
#
# RegisterTunnel parameters in order :
#/// <param name="router">The IRouter requesting registration</param>
#/// <param name="instance">The routing instance the tunnel is terminating on</param>
#/// <param name="tunnelProtocol">The protocol used to establish the tunnel</param>
#/// <param name="tunnelType">The link-type over the tunnel</param>
#/// <param name="tunnelName">Optional : tunnel name or description</param>
#/// <param name="tunnelState">Tunnel connection state</param>
#/// <param name="externalLocalAddress">Tunnel external, local address</param>
#/// <param name="externalRemoteAddress">Tunnel external, remote address</param>
#/// <param name="tunnelSourceAddress">Optional : Tunnel internal source address</param>
#/// <param name="tunnelDestinationAddress">Optional : Tunnel internal destination address</param>
#/// <param name="localProxy">Optional : the local networks the tunnel is forwarding for. If not empty, must contain valid ipv4 network prefixes per line</param>
#/// <param name="remoteProxy">Optional : the remote networks the tunnel is forwarding for. If not empty, must contain valid ipv4 network prefixes per line</param>
#/// <param name="cipher">Optional : the cipher algorithm used by the tunnel</param>
#/// <param name="hash">Optional : the hashing algorithm used by the tunnel</param>
#/// <param name="tag">Optional : any data to include. Max length is 1024 characters</param>
nRegistry.RegisterTunnel(
self.Router, instance,
L3Discovery.NeighborProtocol.IPSEC,
L3Discovery.LinkType.P2P, None,
L3Discovery.NeighborState.Established,
tunnel_LocalAddress.strip(),
tunnel_RemoteAddress.strip(), None, None,
s_localProxies, s_remoteProxies, cipherAlg,
hashAlg, None)
except Exception as Ex:
pass
except Exception as Ex:
message = "CiscoASA Router Module Error : could not parse vpn-sessiondb information because : {1} ".format(
str(Ex))
DebugEx.WriteLine(message)
def ParseInterfaces(self, instance) :
"""Collects interface details for all interfaces of specified routing instance, but do not collect interface configuration """
# Get the interfaces configurations
if len(self._interfaceConfigurations) == 0 : self.ParseInterfaceConfigurations()
# Init interface dictionary for instance
instanceName = self.Router._defaultRoutingInstanceName
if instance : instanceName = instance.Name
if self.Interfaces.get(instanceName, None) == None:
self.Interfaces[instanceName] = []
# Query the device interfaces
interfaces = Session.ExecCommand("show ip interface").splitlines()
# Parse the result and fill up self.Interfaces list
ri = L3Discovery.RouterInterface()
lineCount = len(interfaces)
currentLineIndex = 1
for line in interfaces:
try:
indentLevel = len(line) - len(line.lstrip(' '))
if indentLevel == 0 or currentLineIndex == lineCount :
# this is either a new interface block, or the end of the interface list
if ri and ri.Name :
# Add actual interface if vrf name matches instanceName
if not ri.VRFName and instanceName == self.Router._defaultRoutingInstanceName or ri.VRFName == instanceName:
ri.Configuration = self.GetInterfaceConfiguration(ri.Name)
if ri.Configuration.find("encapsulation dot1q") >= 0 :
ri.PortMode = L3Discovery.RouterInterfacePortMode.L3Subinterface
subinterfaceDefinition = next((cline for cline in ri.Configuration.splitlines() if cline.startswith("encapsulation dot1q")), "")
ri.VLANS = subinterfaceDefinition.split(' ')[-1]
elif ri.Address : ri.PortMode = L3Discovery.RouterInterfacePortMode.Routed
elif ri.Configuration.find("switchport mode trunk") >= 0 :
ri.PortMode = L3Discovery.RouterInterfacePortMode.Trunk
# get allowed vlans
cmd = "show interfaces {0} trunk".format(ri.Name)
cmdResult = Session.ExecCommand(cmd)
#Port Mode Encapsulation Status Native vlan
#Fa0/2 on 802.1q trunking 1
#
#Port Vlans allowed on trunk
#Fa0/2 1-4,7,11,13-4094
#
#Port Vlans allowed and active in management domain
#Fa0/2 1
#
#Port Vlans in spanning tree forwarding state and not pruned
#Fa0/2 1
vlanBlock = False
for vLine in cmdResult.splitlines():
if "Vlans allowed on trunk" in vLine:
vlanBlock = True
continue
if vlanBlock and vLine.strip() == "" :
break;
elif vlanBlock:
words = filter(None, vLine.split(' '))
if len(words) == 2:
vlanList = words[0]
ri.VLANS = re.sub(r",", "|", vlanList)
elif ri.Configuration.find("switchport mode access") >= 0 :
ri.PortMode = L3Discovery.RouterInterfacePortMode.Access
accessVlan = next((cline for cline in ri.Configuration.splitlines() if cline.startswith("switchport access vlan")), "")
ri.VLANS = accessVlan.split(' ')[-1]
else : ri.PortMode = L3Discovery.RouterInterfacePortMode.Unknown
ri.Description = next((cline for cline in ri.Configuration.splitlines() if cline.startswith("description")), "")
self.Interfaces[instanceName].Add(ri)
if currentLineIndex == lineCount :
break
# Create new interface
ri = L3Discovery.RouterInterface()
words = filter(None, line.split(' '))
# words should look like : GigabitEthernet0/0/0,is,up,line,protocol,is,up
ri.LogicalSystemName = "Default"
ri.Name = words[0]
status = [i.strip(',') for i in words if "up" in i.lower() or "down" in i.lower()]
ri.Status = ",".join(status)
else:
# this line belongs to an iterface information block
sline = line.strip().lower()
if sline.startswith("internet address"):
addressAndMask = GetIPAddressAndMaskFromLine(sline).split('/')
ri.Address = addressAndMask[0]
ri.MaskLength = addressAndMask[1]
elif sline.startswith("vpn routing/forwarding"):
words = filter(None, line.split(' '))
ri.VRFName = words[-1].strip('"')
# PortMode and VLANS will be processed later in a second pass
except Exception as Ex:
DebugEx.WriteLine("CiscoIOSRouter.InterfaceParser.ParseInterfaces() : error parsing text {0}. Error is {1}".format(line, str(Ex)))
currentLineIndex += 1
def CalculateRouterIDAndASNumber(self, instance):
"""Parse the RouterID and AS number for the requested RoutingInstance"""
instanceName = self.Router._defaultRoutingInstanceName
if instance : instanceName = instance.Name
if self.RouterID.get(instanceName, None) == None: self.RouterID[instanceName] = {}
# Determine default router ID
globalRouterID = ConnectionInfo.DeviceIP
l3interfaces = Session.ExecCommand("sh ip interface brief")
if l3interfaces:
try :
loopbacks = [intf.lower() for intf in l3interfaces.splitlines() if intf.lower().startswith("loopback") and GetIPAddressFromLine(intf)]
if len(loopbacks) > 0 :
# find the loopback with lowest number
lowestLoopback = sorted(loopbacks, key=lambda i: int(i[8:10]))[0]
if lowestLoopback:
globalRouterID = lowestLoopback.split()[1]
else:
# no loopbacks, find the interface with highest ip address
highestIPLine = (sorted(l3interfaces.splitlines(), key=lambda i: IP2Int(GetIPAddressFromLine(i)))[-1]).strip()
if highestIPLine:
globalRouterID = GetIPAddressFromLine(highestIPLine)
except Exception as Ex :
DebugEx.WriteLine("CiscoIOSRouter.CalculateRouterIDAndASNumber() : error while parsing interface information : " + str(Ex))
# get the running routing protocols for this routing instance
runnintRoutingProtocols = self.Router.ActiveProtocols(instance)
for thisProtocol in runnintRoutingProtocols:
if thisProtocol == L3Discovery.NeighborProtocol.BGP:
# construct CLI command
if instanceName == self.Router._defaultRoutingInstanceName :
cmd = "show ip bgp summary"
else:
cmd = "show ip bgp vpnv4 vrf {0} summary".format(instanceName)
bgpSummary = Session.ExecCommand(cmd)
match = re.findall(r"(?<=BGP router identifier )[\d.]{0,99}", bgpSummary, re.IGNORECASE)
if len(match) == 1 :
self.RouterID[instanceName][str(thisProtocol)] = match[0]
if globalRouterID == ConnectionInfo.DeviceIP : globalRouterID = match[0]
# get also the BGP AS number
match = re.findall(r"(?<=local AS number )[\d.]{0,99}", bgpSummary, re.IGNORECASE)
if len(match) == 1 :
self.BGPASNumber[instanceName] = match[0]
elif thisProtocol == L3Discovery.NeighborProtocol.OSPF:
cmd = "show ip ospf | i ID"
ospfGeneral = Session.ExecCommand(cmd)
# expecting output like this:
# Routing Process "ospf 200" with ID 10.9.254.251
# Routing Process "ospf 100" with ID 192.168.1.1
#
# WARNING if more than one EIGRP process is running, generate error
#
if len(ospfGeneral.splitlines()) == 1 :
match = re.findall(r"(?<=ID )[\d.]{0,99}", ospfGeneral, re.IGNORECASE)
if len(match) == 1 :
self.RouterID[instanceName][str(thisProtocol)] = match[0]
if globalRouterID == ConnectionInfo.DeviceIP : globalRouterID = match[0]
else:
raise ValueError("Parsing more than one OSPF process is not supported by parser")
elif thisProtocol == L3Discovery.NeighborProtocol.EIGRP :
cmd = "show ip eigrp topology | i ID"
eigrpGeneral = Session.ExecCommand(cmd)
# expecting output like this:
# IP - EIGRP Topology Table for AS(10) / ID(10.9.240.1)
# IP - EIGRP Topology Table for AS(20) / ID(10.9.240.1)
#
# TODO :
# WARNING if more than one EIGRP process is running, generate error
#
if len(eigrpGeneral.splitlines()) == 1 :
match = re.findall(r"\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\b", eigrpGeneral, re.IGNORECASE)
if len(match) == 1 :
self.RouterID[instanceName][str(thisProtocol)] = match[0]
if globalRouterID == ConnectionInfo.DeviceIP : globalRouterID = match[0]
else:
raise ValueError("Parsing more than one EIGRP process is not supportedby parser")
elif thisProtocol == L3Discovery.NeighborProtocol.CDP:
# only for default (global) routing instance
if instanceName == self.Router._defaultRoutingInstanceName :
self.RouterID[instanceName][str(thisProtocol)] = self.Router.GetHostName()
elif thisProtocol == L3Discovery.NeighborProtocol.RIP:
# always use global router-id
# TODO : this may require tuning
self.RouterID[instanceName][str(thisProtocol)] = globalRouterID
elif thisProtocol == L3Discovery.NeighborProtocol.STATIC:
# always use global router-id
self.RouterID[instanceName][str(thisProtocol)] = globalRouterID
else :
self.RouterID[instanceName][str(thisProtocol)] = globalRouterID
def RoutingTable(self, instance):
"""Returns the list of RouteTableEntry objects for requested RoutingInstance"""
parsedRoutes = []
try:
if instance :
instanceName = instance.Name
# get route table size
routeTableSize = self.RouteTableSize(instance)
if routeTableSize > self._maxRouteTableEntries :
# query only default route
if instance.IsDefaultRoutingInstance() :
cmd = "show ip route 0.0.0.0"
else :
cmd = "show ip route vrf {0} 0.0.0.0".format(instanceName)
else:
# query inet.0 route table for the requested instance
if instance.IsDefaultRoutingInstance() :
cmd = "show ip route"
else:
cmd = "show ip route vrf {0}".format(instanceName)
routes = Session.ExecCommand(cmd)
v = self.GetVersion()
if "ios-xe software" in v.lower():
thisProtocol = NeighborProtocol.UNKNOWN
expectingNextHop = False
prefix = ""
maskLength = -1
subnettedPrefix = ""
subnettedMaskLength = -1
nextHop = ""
adminDistance = ""
routeMetric = ""
parserSuccess = False
outInterface = ""
for rLine in [line.strip() for line in routes.splitlines()]:
if "subnetted" in rLine:
# lets check if we find an ipAddress/MaskLength combination in the line
m = re.findall(r"\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\b\/\d{1,2}", rLine)
if len(m) == 1 :
prefixAndMask = m[0].split('/')
if len(prefixAndMask) == 2 :
subnettedPrefix = prefixAndMask[0]
# proceed to next rLine
continue
if rLine.startswith("B") :
thisProtocol = NeighborProtocol.BGP
expectingNextHop = False
elif rLine.startswith("O") or rLine.startswith("IA") or rLine.startswith("N1") or rLine.startswith("N2") or rLine.startswith("E1") or rLine.startswith("E2") :
thisProtocol = NeighborProtocol.OSPF
expectingNextHop = False
elif rLine.startswith("D") or rLine.startswith("EX") :
thisProtocol = NeighborProtocol.EIGRP;
expectingNextHop = False;
elif rLine.startswith("R") :
thisProtocol = NeighborProtocol.RIP
expectingNextHop = False
elif rLine.startswith("L") :
thisProtocol = NeighborProtocol.LOCAL
expectingNextHop = False
elif rLine.startswith("C") :
thisProtocol = NeighborProtocol.CONNECTED
expectingNextHop = False
elif rLine.startswith("S") :
thisProtocol = NeighborProtocol.STATIC
expectingNextHop = False
elif rLine.startswith("[") and expectingNextHop : pass
else :
thisProtocol = NeighborProtocol.UNKNOWN
expectingNextHop = False
# reset variables if current line is not a continuation
if not expectingNextHop :
prefix = ""
maskLength = -1
nextHop = ""
adminDistance = ""
routeMetric = ""
parserSuccess = False
outInterface = ""
if thisProtocol != NeighborProtocol.UNKNOWN :
if thisProtocol == NeighborProtocol.LOCAL or thisProtocol == NeighborProtocol.CONNECTED :
# we expect only one ip addresses in these lines which is the prefix
m = re.findall(r"\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\b\/\d{1,2}", rLine)
if len(m) == 1 :
s = m[0]
prefixAndMask = filter(None, s.split('/'))
prefix = prefixAndMask[0]
maskLength = int(prefixAndMask[1])
expectingNextHop = True
# this line should also contain the out interface as the last word
words = filter(None, rLine.split(','))
outInterface = words[-1]
expectingNextHop = False
parserSuccess = True
else:
if not expectingNextHop:
# we expect two ip addresses in these lines, first is the prefix and second is next-hop check for the prefix first
m = re.findall(r"\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\b\/\d{1,2}", rLine)
if len(m) == 1 :
s = m[0]
prefixAndMask = filter(None, s.split('/'))
prefix = prefixAndMask[0]
maskLength = int(prefixAndMask[1])
expectingNextHop = True
else:
# check if we find an ip address in line and if it was a subnet of last prefix
# unfortunately logic seems to be broken in cas of some IOS-XE, like below route table entry is totally crap :
# 159.63.0.0 / 27 is subnetted, 2 subnets
# S 159.63.248.32[1 / 0] via 212.162.30.89
# S 159.63.248.96[1 / 0] via 212.162.30.89
m = re.findall(r"\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}", rLine)
# Due to above issue , below check does not work and we need to trust the subnettedPrefix value anyhow
# if (m.Success && IPOperations.IsIPAddressInNetwork(m.Value, subnettedPrefix, subnettedMaskLength))
if len(m) == 1:
# the maskLength is still valid for this prefix
prefix = m[0]
maskLength = subnettedMaskLength
expectingNextHop = True
if expectingNextHop:
# get next-hop
m = re.findall(R"(?<=via )\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}", rLine)
if len(m) == 1 :
expectingNextHop = False
parserSuccess = True
nextHop = m[0]
# get preference
m = re.findall(r"\[(.*?)\]", rLine)
if len(m) == 1 :
preferences = filter(None, m[0].split('/'))
adminDistance = preferences[0].strip('[')
routeMetric = preferences[1].strip(']')
# this line should also contain the out interface
words = rLine.split(',')
if len(words) > 1 :
outInterface = words[-1]
# discard outInterface if not a real interface name, like matches date pattern
m = re.findall(r"(\d{1,2}w\d{1,2}d)|(\d{1,2}d\d{1,2}h)", outInterface)
if len(m) == 1:
outInterface = "";
else:
# only for debugging
expectingNextHop = True
if parserSuccess:
try:
rte = L3Discovery.RouteTableEntry()
rte.RouterID = self.RouterID(thisProtocol, instance)
rte.Prefix = prefix
rte.MaskLength = maskLength
rte.Protocol = str(thisProtocol)
rte.AD = adminDistance
rte.Metric = routeMetric
rte.NextHop = nextHop
rte.OutInterface = outInterface
rte.Best = True # the show ip route output only lists best routes :-(
rte.Tag = ""
parsedRoutes.Add(rte)
except Exception as Ex :
msg = "CiscoIOSRouter.RoutingTable() : error processing route table : {0}".format(str(Ex))
DebugEx.WriteLine(msg)
else:
# Not an ios-xe
thisProtocol = NeighborProtocol.UNKNOWN
expectingNextHop = False
prefix = ""
maskLength = -1
subnettedPrefix = ""
subnettedMaskLength = -1
nextHop = ""
adminDistance = ""
routeMetric = ""
parserSuccess = False
outInterface = ""
for rLine in [line.strip() for line in routes.splitlines()]:
words = filter(None, rLine.split(' '))
# lets check if we find an ipAddress/MaskLength combination in the line
prefixFound = re.findall(r"\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\b\/\d{1,2}", rLine)
# or just an ipAddress
addressFound = re.findall(r"\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}", rLine)
# if the line contains the expression "subnetted" then we will learn the subnet mask for upcoming route entries and continue the loop
if "subnetted" in rLine and len(prefixFound) == 1 :
addressAndMask = prefixFound[0].split('/')
if len(addressAndMask) == 2:
try:
maskLength = int(addressAndMask[1])
except:
pass
# proceed to next rLine
continue
if len(prefixFound) == 1:
addressAndMask = prefixFound[0].split('/')
if len(addressAndMask) == 2:
prefix = addressAndMask[0]
try:
maskLength = int(addressAndMask[1])
except:
pass
elif len(addressFound) == 1:
prefix = addressFound[0]
else:
continue
if prefix:
parserSuccess = True
if prefix == "0.0.0.0" :
maskLength = 0
# get next-hop
nexthopFound = re.findall(r"(?<=via )\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}", rLine)
if len(nexthopFound) == 1:
nextHop = nexthopFound[0]
# get preference
routeDetails = re.findall(r"\[(.*?)\]", rLine)
if len(routeDetails) == 1:
preferences = routeDetails[0].split('/')
adminDistance = preferences[0].strip('[')
routeMetric = preferences[1].strip(']')
# this line should also contain the out interface
outInterface = words[-1]
else:
# no ip address in this line, proceed to next
continue
# here we already know a mask length and the actual routed prefix, so check the protocol
if rLine.startswith("B") :
thisProtocol = NeighborProtocol.BGP
elif rLine.startswith("O") or rLine.startswith("IA") or rLine.startswith("N1") or rLine.startswith("N2") or rLine.startswith("E1") or rLine.startswith("E2") :
thisProtocol = NeighborProtocol.OSPF
elif rLine.startswith("D") or rLine.startswith("EX") :
thisProtocol = NeighborProtocol.EIGRP;
elif rLine.startswith("R") :
thisProtocol = NeighborProtocol.RIP
elif rLine.startswith("L") :
thisProtocol = NeighborProtocol.LOCAL
elif rLine.startswith("C") :
thisProtocol = NeighborProtocol.CONNECTED
elif rLine.startswith("S") :
thisProtocol = NeighborProtocol.STATIC
else :
thisProtocol = NeighborProtocol.UNKNOWN
if thisProtocol != NeighborProtocol.UNKNOWN:
if parserSuccess:
try :
rte = RouteTableEntry()
rte.RouterID = self.RouterID(thisProtocol, instance)
rte.Prefix = prefix
rte.MaskLength = maskLength
rte.Protocol = str(thisProtocol)
rte.AD = adminDistance
rte.Metric = routeMetric
rte.NextHop = nextHop
rte.OutInterface = outInterface
rte.Best = True # the show ip route output only lists best routes :-(
rte.Tag = ""
parsedRoutes.Add(rte)
except Exception as Ex :
msg = "CiscoIOSRouter.RoutingTable() : error processing route table : {0}".format(str(Ex))
DebugEx.WriteLine(msg)
except Exception as Ex:
msg = "CiscoIOSRouter.RoutingTable() :unexpected error while processing route table : {0}".format(str(Ex))
DebugEx.WriteLine(msg)
raise Exception(msg)
return parsedRoutes
def RegisterNHRP(self, neighborRegistry, instance):
"""Performs NHRP database registration"""
# neighborRegistry :The NetworkRegistry object
# instance :The Routing instance reference
#
# Sample input for parsing
#
#GigabitEthernet0/0/1 - Group 44
# State is Active
# 5 state changes, last state change 4w4d
# Virtual IP address is 10.81.0.1
# Active virtual MAC address is 0000.0c07.ac2c(MAC In Use)
# Local virtual MAC address is 0000.0c07.ac2c(v1 default)
# Hello time 1 sec, hold time 3 sec
# Next hello sent in 0.256 secs
# Authentication text, string "ROWVA252"
# Preemption enabled, delay min 60 secs
# Active router is local
# Standby router is 10.81.0.3, priority 100 (expires in 3.040 sec)
# Priority 105 (configured 105)
# Track object 1 state Up decrement 10
# Group name is "hsrp-Gi0/0/1-44" (default)
VIPAddress = ""
GroupID = ""
PeerAddress = ""
isActive = False
ri = None
hsrpSummary = Session.ExecCommand("show standby")
for thisLine in hsrpSummary.splitlines():
try:
indentLevel = len(thisLine) - len(thisLine.lstrip(' '))
if indentLevel == 0:
# interface definition is changing
if GroupID and VIPAddress :
neighborRegistry.RegisterNHRPPeer(self, instance, ri, L3Discovery.NHRPProtocol.HSRP, isActive, VIPAddress, GroupID, PeerAddress)
VIPAddress = ""
GroupID = ""
PeerAddress = ""
ri = None
# --
words = filter(None, thisLine.split(" "))
if len(words) >= 3 :
ifName = words[0]
ri = self.GetInterfaceByName(ifName, instance)
match = re.findall(r"(?<=Group )\d{0,99}", thisLine, re.IGNORECASE)
if len(match) == 1 : GroupID = words[2]
continue
if ri :
l = thisLine.lower().lstrip()
if l.startswith("virtual ip address is") :
match = re.findall(r"\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\b", l, re.IGNORECASE)
if len(match) == 1 : VIPAddress = match[0]
continue
if l.startswith("active router is local") :
isActive = True
continue
if l.startswith("standby router is") :
match = re.findall(r"\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\b", l, re.IGNORECASE)
if len(match) == 1 : PeerAddress = match[0]
continue
except Exception as Ex:
message = "JunOS Router Module Error : could not parse NHRP information <{0}> because : {1} ".format(thisLine, str(Ex))
DebugEx.WriteLine(message)
# -- register the last one
if ri and VIPAddress and GroupID :
neighborRegistry.RegisterNHRPPeer(self, instance, ri, L3Discovery.NHRPProtocol.HSRP, isActive, VIPAddress, GroupID, PeerAddress)
def ParseInterfaces(self, instance):
"""Collects interface details for all interfaces of specified routing instance, but do not collect interface configuration """
# Get the interfaces configurations
if len(self._interfaceConfigurations) == 0:
self.ParseInterfaceConfigurations()
# Init interface dictionary for instance
instanceName = self.Router._defaultRoutingInstanceName
if instance: instanceName = instance.Name
if self.Interfaces.get(instanceName, None) == None:
self.Interfaces[instanceName] = []
# Query the device interfaces
interfaces = Session.ExecCommand("show interface summary").splitlines()
# Add a dummy line at the end, required for below processing only
interfaces.append("--end--")
# Parse the result and fill up self.Interfaces list
ri = L3Discovery.RouterInterface()
lineCount = len(interfaces)
currentLineIndex = 1
rep_MAC = r"(?!0000)[a-f,0-9]{4}\.[a-f,0-9]{4}\.[a-f,0-9]{4}"
for line in interfaces:
try:
if line.lower().startswith(
"interface") or currentLineIndex == lineCount:
# this is either a new interface block, or the end of the interface list
if ri and ri.Name:
# Add actual interface if vrf name matches instanceName
if not ri.VRFName and instanceName == self.Router._defaultRoutingInstanceName or ri.VRFName == instanceName:
ri.Configuration = self.GetInterfaceConfiguration(
ri.Name)
if ri.Configuration.find("vlan ") >= 0:
ri.PortMode = L3Discovery.RouterInterfacePortMode.L3Subinterface
subinterfaceDefinition = next((
cline
for cline in ri.Configuration.splitlines()
if cline.startswith("vlan ")), "")
ri.VLANS = subinterfaceDefinition.split(
' ')[-1]
elif ri.Address:
ri.PortMode = L3Discovery.RouterInterfacePortMode.Routed
else:
ri.PortMode = L3Discovery.RouterInterfacePortMode.Unknown
ri.Description = next(
(cline
for cline in ri.Configuration.splitlines()
if cline.startswith("description")), "")
self.Interfaces[instanceName].Add(ri)
if currentLineIndex == lineCount:
break
words = filter(None, line.split(' '))
interfaceName = words[1]
if self.IsInterrestingInterface(interfaceName):
# Create new interface
ri = L3Discovery.RouterInterface()
# words should look like : Interface,GigabitEthernet0/0,"outside",is,up,line,protocol,is,up
ri.LogicalSystemName = "Default"
ri.Name = interfaceName
status = [
i.strip(',') for i in words
if "up" in i.lower() or "down" in i.lower()
]
ri.Status = ",".join(status)
else:
ri = None
else:
if ri:
# this line belongs to an iterface information block
sline = line.strip().lower()
if sline.startswith("ip address"):
addressAndMask = GetIPAddressAndSubnetMaskFromLine(
sline)
if len(addressAndMask) == 2:
ri.Address = addressAndMask[0]
ri.MaskLength = str(
IPOperations.GetMaskLength(
addressAndMask[1]))
if sline.startswith("mac address"):
mac = re.findall(rep_MAC, sline)
if len(mac) == 1:
ri.MAC = mac[0]
if "member of port-channel" in sline:
lagID = re.findall(r"\d+$", sline)
if len(lagID) == 1:
ri.AggregateID = lagID[0]
# PortMode and VLANS will be processed later in a second pass
except Exception as Ex:
DebugEx.WriteLine(
"CiscoASA.InterfaceParser.ParseInterfaces() : error parsing text {0}. Error is {1}"
.format(line, str(Ex)))
currentLineIndex += 1
def ActiveProtocols(self, instance):
"""Returns the list of NeighborProtocols running on the requested routing instance """
# no routing instances supported here
instanceName = self._defaultRoutingInstanceName
if instance: instanceName = instance.Name
if self._runningRoutingProtocols.get(instanceName, None) == None:
self._runningRoutingProtocols[instanceName] = []
if len(self._runningRoutingProtocols[instanceName]) == 0:
# OSPF
cmd = "show ip ospf"
response = Session.ExecCommand(cmd)
rep_ospfEnabled = r"^OSPF Admin Mode\.+(.*)"
try:
ospfStatus = GetRegexGroupMatches(rep_ospfEnabled, response,
1)[0].strip().lower()
if not ("disable" in ospfStatus):
self._runningRoutingProtocols[instanceName].Add(
L3Discovery.NeighborProtocol.OSPF)
except Exception as Ex:
DebugEx.WriteLine(
"HirschmannMACH.ActiveProtocols() : unexpected error parsing OSPF protocol information : {0}"
.format(str(Ex)))
# RIP
cmd = "show ip rip"
response = Session.ExecCommand(cmd)
rep_ripEnabled = r"^RIP Admin Mode\.+(.*)"
try:
ripStatus = GetRegexGroupMatches(rep_ripEnabled, response,
1)[0].strip().lower()
if not ("disable" in ripStatus):
self._runningRoutingProtocols[instanceName].Add(
L3Discovery.NeighborProtocol.RIP)
except Exception as Ex:
DebugEx.WriteLine(
"HirschmannMACH.ActiveProtocols() : unexpected error parsing RIP protocol information : {0}"
.format(str(Ex)))
# STATIC
cmd = "show ip route static"
response = Session.ExecCommand(cmd)
rep_ipAddress = r"\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}"
try:
foundAddresses = re.findall(rep_ipAddress, response)
# TODO : this may be too simple
if len(foundAddresses) > 0:
self._runningRoutingProtocols[instanceName].Add(
L3Discovery.NeighborProtocol.STATIC)
except Exception as Ex:
DebugEx.WriteLine(
"HirschmannMACH.ActiveProtocols() : unexpected error parsing STATIC routing information : {0}"
.format(str(Ex)))
# LLDP - only for default instance
cmd = "show lldp config chassis admin-state"
response = Session.ExecCommand(cmd)
rep_lldpEnabled = r"^LLDP Config. Chassis,\s+Admin State\.+(.*)"
try:
lldpStatus = GetRegexGroupMatches(rep_lldpEnabled, response,
1)[0].strip().lower()
if "on" in lldpStatus:
self._runningRoutingProtocols[instanceName].Add(
L3Discovery.NeighborProtocol.LLDP)
except Exception as Ex:
DebugEx.WriteLine(
"HirschmannMACH.ActiveProtocols() : unexpected error parsing LLDP protocol information : {0}"
.format(str(Ex)))
result = self._runningRoutingProtocols[instanceName]
return result
def RoutingTable(self, instance):
"""Returns the list of RouteTableEntry objects for requested RoutingInstance"""
parsedRoutes = []
try:
if instance:
instanceName = instance.Name
# get route table size
routeTableSize = self.RouteTableSize(instance)
if routeTableSize > self._maxRouteTableEntries:
# query only default route
cmd = "show route 0.0.0.0"
else:
# query inet.0 route table for the requested instance
cmd = "show route"
routes = Session.ExecCommand(cmd)
thisProtocol = NeighborProtocol.UNKNOWN
expectingNextHop = False
prefix = ""
maskLength = -1
subnettedPrefix = ""
subnettedMaskLength = -1
nextHop = ""
adminDistance = ""
routeMetric = ""
parserSuccess = False
outInterface = ""
for rLine in [line.strip() for line in routes.splitlines()]:
if "subnetted" in rLine:
# lets check if we find an ipAddress subnetMask combination in the line
m = re.findall(
r"\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\b\/\d{1,2}",
rLine)
if len(m) == 1:
prefixAndMask = m[0].split('/')
if len(prefixAndMask) == 2:
subnettedPrefix = prefixAndMask[0]
# proceed to next rLine
continue
if rLine.startswith("B"):
thisProtocol = NeighborProtocol.BGP
expectingNextHop = False
elif rLine.startswith("O") or rLine.startswith(
"IA") or rLine.startswith("N1") or rLine.startswith(
"N2") or rLine.startswith(
"E1") or rLine.startswith("E2"):
thisProtocol = NeighborProtocol.OSPF
expectingNextHop = False
elif rLine.startswith("D") or rLine.startswith("EX"):
thisProtocol = NeighborProtocol.EIGRP
expectingNextHop = False
elif rLine.startswith("R"):
thisProtocol = NeighborProtocol.RIP
expectingNextHop = False
elif rLine.startswith("L"):
thisProtocol = NeighborProtocol.LOCAL
expectingNextHop = False
elif rLine.startswith("C"):
thisProtocol = NeighborProtocol.CONNECTED
expectingNextHop = False
elif rLine.startswith("S"):
thisProtocol = NeighborProtocol.STATIC
expectingNextHop = False
elif rLine.startswith("[") and expectingNextHop:
pass
else:
thisProtocol = NeighborProtocol.UNKNOWN
expectingNextHop = False
# reset variables if current line is not a continuation
if not expectingNextHop:
prefix = ""
maskLength = -1
nextHop = ""
adminDistance = ""
routeMetric = ""
parserSuccess = False
outInterface = ""
if thisProtocol != NeighborProtocol.UNKNOWN:
if thisProtocol == NeighborProtocol.LOCAL or thisProtocol == NeighborProtocol.CONNECTED:
# we expect an ip addresses-subnet mask pair in these lines
prefixAndMask = GetIPAddressAndSubnetMaskFromLine(
rLine)
if prefixAndMask:
prefix = prefixAndMask[0]
maskLength = IPOperations.GetMaskLength(
prefixAndMask[1])
# this line should also contain the out interface as the last word
words = filter(None, rLine.split(','))
asaNameif = words[-1]
oif = self._interfaceParser.GetInterfaceByASANameIf(
asaNameif, instance)
if oif: outInterface = oif.Name
else: outInterface = asaNameif
expectingNextHop = False
parserSuccess = True
else:
if not expectingNextHop:
# we expect an ip addresses-subnet mask pair in these lines, and also a next-hop
prefixAndMask = GetIPAddressAndSubnetMaskFromLine(
rLine)
if prefixAndMask:
prefix = prefixAndMask[0]
maskLength = IPOperations.GetMaskLength(
prefixAndMask[1])
expectingNextHop = True
if expectingNextHop:
# get next-hop
m = re.findall(
R"(?<=via )\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}",
rLine)
if len(m) == 1:
expectingNextHop = False
parserSuccess = True
nextHop = m[0]
# get preference
m = re.findall(r"\[(.*?)\]", rLine)
if len(m) == 1:
preferences = filter(None, m[0].split('/'))
adminDistance = preferences[0].strip('[')
routeMetric = preferences[1].strip(']')
# this line should also contain the out interface
words = rLine.split(',')
if len(words) > 1:
asaNameif = words[-1]
oif = self._interfaceParser.GetInterfaceByASANameIf(
asaNameif, instance)
if oif: outInterface = oif.Name
else: outInterface = asaNameif
else:
# only for debugging
expectingNextHop = True
if parserSuccess:
try:
rte = L3Discovery.RouteTableEntry()
rte.RouterID = self.RouterID(thisProtocol, instance)
rte.Prefix = prefix
rte.MaskLength = maskLength
rte.Protocol = str(thisProtocol)
rte.AD = adminDistance
rte.Metric = routeMetric
rte.NextHop = nextHop
rte.OutInterface = outInterface
rte.Best = True # the show ip route output only lists best routes :-(
rte.Tag = ""
parsedRoutes.Add(rte)
except Exception as Ex:
msg = "CiscoASA.RoutingTable() : error processing route table : {0}".format(
str(Ex))
DebugEx.WriteLine(msg)
except Exception as Ex:
msg = "CiscoASA.RoutingTable() :unexpected error while processing route table : {0}".format(
str(Ex))
DebugEx.WriteLine(msg)
raise Exception(msg)
return parsedRoutes
def ParseInterfaces(self, instance):
"""Collects interface details for all interfaces of specified routing instance, but do not collect interface configuration """
from Scriptngo.Common import IPOperations
try:
# First parse the VLAN database if missing
if len(self._vlanIDs) == 0: self.ParseVLANDatabase()
# Then collect the interfaces configurations if not yet done
if len(self._interfaceConfigurations) == 0:
self.ParseInterfaceConfigurations()
# Init interface dictionary for current routing instance
instanceName = self.Router._defaultRoutingInstanceName
if instance: instanceName = instance.Name
if self.Interfaces.get(instanceName, None) == None:
self.Interfaces[instanceName] = []
if self.Router.SwitchType == HirshmannSwitchType.MachSwitch:
# get vlan-ip data
vlanRoutedInterfaces = Session.ExecCommand(
"show ip vlan").splitlines()
# expected output for vlanRoutedInterfaces :
# Logical
#VLAN ID Interface IP Address Subnet Mask MAC Address
#------- ----------- --------------- --------------- -----------------
#1 9/7 10.0.40.254 255.255.255.0 EC:74:BA:50:0B:49
#2 9/1 10.0.41.254 255.255.255.0 EC:74:BA:50:0B:43
#3 9/2 10.0.39.254 255.255.255.0 EC:74:BA:50:0B:44
#4 9/3 10.0.43.254 255.255.255.0 EC:74:BA:50:0B:45
#5 9/4 10.0.38.254 255.255.255.0 EC:74:BA:50:0B:46
vlanIPHeaderLine = next(
(l for l in vlanRoutedInterfaces if l.startswith("----")),
None)
# vlanHeaderSection will contain column start-end positions
vlanIPHeaderSection = []
if vlanIPHeaderLine:
matches = re.finditer(r"- -", vlanIPHeaderLine)
for index, match in enumerate(matches):
frompos = match.regs[0][0]
topos = match.regs[0][1]
#print "{0}:{1}".format(frompos, topos)
if index == 0:
vlanIPHeaderSection.append([0, frompos + 1])
else:
vlanIPHeaderSection[index][1] = topos - 2
vlanIPHeaderSection.append([topos - 1, -1])
if len(vlanIPHeaderSection) > 0:
vlanIPHeaderSection[-1][1] = len(vlanIPHeaderLine)
# get all interface data
responseLines = Session.ExecCommand("show port all").splitlines()
# expected output responseLines :
# Admin Physical Physical Link Link Cable-Cross Flow Device VLAN
# Intf Type Mode Mode Status Status Trap PhysMode Fix Mode status Prio
#------ ------ ------- ---------- ---------- ------ ------- ------------ ------- ------- ----
#6/1 Enable Auto 1000 Full Up Enable Unsupported Enable Ignore 0
#6/2 Enable Auto 1000 Full Up Enable Unsupported Enable Ignore 0
#
interfaceLines = [
l.strip() for l in responseLines
if len(re.findall(r"^\d+\/\d+\s+", l)) > 0
]
headerLine = next(
(l for l in responseLines if l.startswith("----")), None)
# headerSection will contain column start-end positions
headerSections = []
matches = re.finditer(r"- -", headerLine)
for index, match in enumerate(matches):
frompos = match.regs[0][0]
topos = match.regs[0][1]
#print "{0}:{1}".format(frompos, topos)
if index == 0:
headerSections.append([0, frompos + 1])
else:
headerSections[index][1] = topos - 2
headerSections.append([topos - 1, -1])
headerSections[-1][1] = len(headerLine)
# --
for line in interfaceLines:
try:
ri = L3Discovery.RouterInterface()
ri.Name = line[
headerSections[0][0]:headerSections[0][1]].strip()
adminMode = line[headerSections[2][0]:headerSections[2]
[1]].strip().lower()
if adminMode == "enable": adminMode = "up"
else: adminMode = "down"
linkState = line[headerSections[5][0]:headerSections[5]
[1]].strip().lower()
ri.Status = "{0}/{1}".format(linkState, adminMode)
ri.PortMode = L3Discovery.RouterInterfacePortMode.Access
ri.Configuration = self._interfaceConfigurations.get(
ri.Name, "")
ri.Address = ""
if "ip address" in ri.Configuration:
addressline = next(
(l for l in ri.Configuration.splitlines()
if l.startswith("ip address")), "")
if addressline:
prefixAndMask = GetIPAddressAndSubnetMaskFromLine(
addressline)
if prefixAndMask:
prefix = prefixAndMask[0]
ri.Address = prefix
maskLength = str(
IPOperations.GetMaskLength(
prefixAndMask[1]))
ri.MaskLength = maskLength
ri.PortMode = L3Discovery.RouterInterfacePortMode.Routed
# try to get which VLAN this interface belongs to, if any
for vlanLine in vlanRoutedInterfaces:
vlanIntfName = vlanLine[
vlanIPHeaderSection[1][0]:
vlanIPHeaderSection[1][1]].strip()
if vlanIntfName == ri.Name:
thisIntfVlanID = vlanLine[
vlanIPHeaderSection[0][0]:
vlanIPHeaderSection[0][1]].strip()
if thisIntfVlanID.isdigit():
intfVLANinfo = ""
vname = self._vlanNames.get(
thisIntfVlanID, "")
if vname:
intfVLANinfo = "{0}|{1}".format(
vname, thisIntfVlanID)
else:
intfVLANinfo = thisIntfVlanID
ri.VLANS = intfVLANinfo
# process interface vlan membership
if ri.PortMode != L3Discovery.RouterInterfacePortMode.Routed and ri.Configuration:
try:
pvid = ""
rep_pvid = r"vlan pvid (\d+)"
ri_pvid = re.finditer(rep_pvid, ri.Configuration,
re.MULTILINE | re.IGNORECASE)
for i, m in enumerate(ri_pvid):
pvid = m.group(1)
taggedVLANs = []
rep_taggedVLANs = r"vlan tagging (\d+)"
ri_taggedVLANs = re.finditer(
rep_taggedVLANs, ri.Configuration,
re.MULTILINE | re.IGNORECASE)
for i, m in enumerate(ri_taggedVLANs):
vid = m.group(1)
vname = self._vlanNames.get(vid, "")
if vname:
taggedVLANs.append("{0}|{1}".format(
vname, vid))
else:
taggedVLANs.append(vid)
if len(taggedVLANs) > 0:
ri.PortMode = L3Discovery.RouterInterfacePortMode.Trunk
interfaceVLANInfo = ",".join(taggedVLANs)
if pvid:
pvidname = self._vlanNames.get(pvid, "")
if pvidname:
interfaceVLANInfo += ",{0}|{1}".format(
pvidname, pvid)
else:
interfaceVLANInfo += ",{0}".format(pvid)
ri.VLANS = interfaceVLANInfo.strip(',')
except Exception as Ex:
DebugEx.WriteLine(
"HirschmannMACH.InterfaceParser.ParseInterfaces() : unexpected error procesing VLAN data for interface: {0}. Error is : {1}"
.format(ri.Name, str(Ex)))
self.Interfaces[instanceName].Add(ri)
except Exception as Ex:
DebugEx.WriteLine(
"HirschmannMACH.InterfaceParser.ParseInterfaces() : unexpected error procesing interface data: {0}"
.format(str(Ex)))
except Exception as Ex:
DebugEx.WriteLine(
"HirschmannMACH.InterfaceParser.ParseInterfaces() : unexpected error : {0}"
.format(str(Ex)))
def Parse(self, nRegistry, cToken, instance):
""" Perform parsing logic on the given text, which should be relevant to the supported protocols and vendors"""
# The neighbor registry object is received as parameter
# This must be used to register a new neighbor for further discovery.
# --
# A CancellationToken is also passed as parameter. The token should be checked repetitively whether cancellation was requested
# by user and if yes, stop further processing.
# --
# The RoutingInstance onject to work with is also passed as a parameter
instanceName = L3Discovery.RoutingInstance.DefaultInstanceName(
self.ParsingForVendor)
if instance: instanceName = instance.Name
OperationStatusLabel = "Querying LLDP neighbor data..."
#--
cToken.ThrowIfCancellationRequested()
#
# regex search patters
# Split command output to neighbor blocks. WARNING : splitting does not work with line engins \r\n, only if \r removed !
repNeighborDataBlocks = r"-+\n.*(?:(?:(?!^-+\n)[\s\S])*)"
repConnectingPort = r"^Local Intf:(.*)"
repRemoteChassisID = r"^Chassis id:(.*)"
repRemoteSystemName = r"^System Name:(.*)"
repNameOfStation = r"^System Description(.*)"
repRemotePortID = r"^Port id:(.*)"
repManagementAddress = r"Management Addresses:\s+ip:(.[\d.]+)"
# Get data from switch
lldpNeighborData = Session.ExecCommand("show lldp neighbors detail")
# Must replace \r\n to simply \n
lldpNeighborData = re.sub(r"\r", "", lldpNeighborData)
# Parse neighbor data
neighborDatablocks = re.finditer(repNeighborDataBlocks,
lldpNeighborData,
re.MULTILINE | re.IGNORECASE)
for index, match in enumerate(neighborDatablocks):
try:
thisRemoteData = match.group()
localIntfName = self.GetRegexGroupMatches(
repConnectingPort, thisRemoteData, 1)[0].strip()
ri = self.Router.GetInterfaceByName(localIntfName, instance)
if ri:
remoteChassisID = self.GetRegexGroupMatches(
repRemoteChassisID, thisRemoteData, 1)
if remoteChassisID and remoteChassisID[0]:
remoteChassisID = remoteChassisID[0].strip()
else:
remoteChassisID = "Unknown Chassis ID"
remoteSystemName = self.GetRegexGroupMatches(
repRemoteSystemName, thisRemoteData, 1)
if remoteSystemName and remoteSystemName[0]:
remoteSystemName = remoteSystemName[0].strip()
else:
remoteSystemName = self.GetRegexGroupMatches(
repNameOfStation, thisRemoteData, 1)
if remoteSystemName and remoteSystemName[0]:
remoteSystemName = remoteSystemName[0].strip()
else:
remoteSystemName = "Unknown System Name"
remotePortName = self.GetRegexGroupMatches(
repRemotePortID, thisRemoteData, 1)
remoteIntfName = ""
if remotePortName and remotePortName[0]:
remotePortName = remotePortName[0].strip()
if remotePortName.isdigit():
remotePortName = str(int(remotePortName))
remoteIntfName = remotePortName
remoteNeighboringIP = self.GetRegexGroupMatches(
repManagementAddress, thisRemoteData, 1)
if remoteNeighboringIP and remoteNeighboringIP[0]:
remoteNeighboringIP = remoteNeighboringIP[0].strip()
else:
# try resolve from ARP if remote PortName is a MAC address and if that can be resolved from ARP cache
isremotePortNameMAC = re.findall(
r"[a-f0-9]{2}-[a-f0-9]{2}-[a-f0-9]{2}-[a-f0-9]{2}-[a-f0-9]{2}-[a-f0-9]{2}",
remotePortName, re.IGNORECASE) > 0
if isremotePortNameMAC:
arpEntry = Session.ExecCommand(
"show arp | i {0}".format(remotePortName))
matchedIPs = re.findall(
r"\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\b",
arpEntry, re.IGNORECASE)
if len(matchedIPs) > 0:
remoteNeighboringIP = matchedIPs[0].strip()
else:
remoteNeighboringIP = ""
if not remoteNeighboringIP:
# try if remote chassi ID is MAC and if that can be resolved from ARP cache
isremoteChassisIsMAC = re.findall(
r"[a-f0-9]{2}-[a-f0-9]{2}-[a-f0-9]{2}-[a-f0-9]{2}-[a-f0-9]{2}-[a-f0-9]{2}",
remoteChassisID, re.IGNORECASE) > 0
if isremoteChassisIsMAC:
arpEntry = Session.ExecCommand(
"show arp | i {0}".format(remoteChassisID))
matchedIPs = re.findall(
r"\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\b",
arpEntry, re.IGNORECASE)
if len(matchedIPs) > 0:
remoteNeighboringIP = matchedIPs[0].strip()
else:
remoteNeighboringIP = ""
# Now we have all the data to register the neighbor
nRegistry.RegisterNeighbor(
self.Router, instance,
L3Discovery.NeighborProtocol.LLDP, remoteChassisID, "",
remoteSystemName, remoteNeighboringIP, ri, "OK",
remoteIntfName)
else:
DebugEx.WriteLine(
"CiscoIOS_LLDP.Parse() : Router object failed to provide details for interface < {0} >"
.format(localIntfName), DebugLevel.Warning)
except Exception as Ex:
DebugEx.WriteLine(
"CiscoIOS_LLDP.Parse() : Error while processing block #{0}. Error is: {1}"
.format(index, str(Ex)))
def Parse(self, nRegistry, cToken, instance):
""" Perform parsing logic on the given text, which should be relevant to the supported protocols and vendors"""
# The neighbor registry object is received as parameter
# This must be used to register a new neighbor for further discovery.
# --
# A CancellationToken is also passed as parameter. The token should be checked repetitively whether cancellation was requested
# by user and if yes, stop further processing.
# --
# The RoutingInstance onject to work with is also passed as a parameter
instanceName = L3Discovery.RoutingInstance.DefaultInstanceName(
self.ParsingForVendor)
if instance: instanceName = instance.Name
OperationStatusLabel = "Querying LLDP neighbor data..."
#--
cToken.ThrowIfCancellationRequested()
#
repMAC = r"[a-f0-9]{2}[:-][a-f0-9]{2}[:-][a-f0-9]{2}[:-][a-f0-9]{2}[:-][a-f0-9]{2}[:-][a-f0-9]{2}"
repIPv4 = r"\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\b"
if self.Router.PythonRouter._switchType == DLinkSwitchType.DGS3600:
# regex search patters
# Split command output to neighbor blocks. WARNING : splitting does not work with line engins \r\n, only if \r removed !
repNeighborDataBlocks = r"Port ID:.*(?:(?:(?!^Port ID:)[\s\S])*)"
# Split command output to entity blocks. WARNING : splitting does not work with line engins \r\n, only if \r removed !
repEntityDataBlocks = r"Entity\s\d+.*(?:(?:(?!^Entity\s\d+)[\s\S])*)"
repConnectingPort = r"^Port ID:(.*)"
repRemoteChassisID = r"Chassis ID\s+:(.*)"
repRemoteSystemName = r"System Name\s+:(.*)"
repNameOfStation = r"^\s+Name of Station\.+\s(.*)"
repRemotePortID = r"Port ID\s+:(.*)"
repManagementAddress = r"Management Address\.+\s([a-f\d:.]+)"
# Get data from switch
lldpNeighborData = Session.ExecCommand(
"show lldp neighbors interface eth1/0/1-1/0/28")
# Must replace \r\n to simply \n
lldpNeighborData = re.sub(r"\r", "", lldpNeighborData)
# Parse neighbor data
neighborDatablocks = re.finditer(repNeighborDataBlocks,
lldpNeighborData,
re.MULTILINE | re.IGNORECASE)
for index, match in enumerate(neighborDatablocks):
try:
thisRemoteData = match.group()
localIntfName = self.GetRegexGroupMatches(
repConnectingPort, thisRemoteData, 1)[0].strip()
entityDatablocks = re.finditer(
repEntityDataBlocks, thisRemoteData,
re.MULTILINE | re.IGNORECASE)
for index, match in enumerate(entityDatablocks):
thisEntityData = match.group()
ri = self.Router.GetInterfaceByName(
localIntfName, instance)
if ri:
remoteChassisID = self.GetRegexGroupMatches(
repRemoteChassisID, thisEntityData, 1)
if remoteChassisID and remoteChassisID[0]:
remoteChassisID = remoteChassisID[0].strip()
else:
remoteChassisID = "Unknown Chassis ID"
remoteSystemName = self.GetRegexGroupMatches(
repRemoteSystemName, thisEntityData, 1)
if remoteSystemName and remoteSystemName[0]:
remoteSystemName = remoteSystemName[0].strip()
else:
remoteSystemName = self.GetRegexGroupMatches(
repNameOfStation, thisEntityData, 1)
if remoteSystemName and remoteSystemName[0]:
remoteSystemName = remoteSystemName[
0].strip()
else:
remoteSystemName = "Unknown System Name"
remotePortName = self.GetRegexGroupMatches(
repRemotePortID, thisEntityData, 1)
remoteIntfName = ""
if remotePortName and remotePortName[0]:
remotePortName = remotePortName[0].strip()
if remotePortName.isdigit():
remotePortName = str(int(remotePortName))
remoteIntfName = remotePortName
remoteNeighboringIP = self.GetRegexGroupMatches(
repManagementAddress, thisEntityData, 1)
if remoteNeighboringIP and remoteNeighboringIP[0]:
remoteNeighboringIP = remoteNeighboringIP[
0].strip()
else:
remoteNeighboringIP = ""
# try resolve from ARP if remote PortName is a MAC address and if that can be resolved from ARP cache
isremotePortNameMAC = len(
re.findall(repMAC, remotePortName,
re.IGNORECASE)) > 0
if isremotePortNameMAC:
arpEntry = Session.ExecCommand(
"show arp | i {0}".format(
remotePortName))
matchedIPs = re.findall(
repIPv4, arpEntry, re.IGNORECASE)
if len(matchedIPs) > 0:
remoteNeighboringIP = matchedIPs[
0].strip()
if not remoteNeighboringIP:
# try if remote chassi ID is MAC and if that can be resolved from ARP cache
isremoteChassisIsMAC = len(
re.findall(repMAC, remoteChassisID,
re.IGNORECASE)) > 0
if isremoteChassisIsMAC:
arpEntry = Session.ExecCommand(
"show arp | i {0}".format(
remoteChassisID))
matchedIPs = re.findall(
repIPv4, arpEntry, re.IGNORECASE)
if len(matchedIPs) > 0:
remoteNeighboringIP = matchedIPs[
0].strip()
# Now we have all the data to register the neighbor
nRegistry.RegisterNeighbor(
self.Router, instance,
L3Discovery.NeighborProtocol.LLDP,
remoteChassisID, "", remoteSystemName,
remoteNeighboringIP, ri, "OK", remoteIntfName)
else:
DebugEx.WriteLine(
"DLinkSwitch_LLDP.Parse() : Router object failed to provide details for interface < {0} >"
.format(localIntfName), DebugLevel.Warning)
except Exception as Ex:
DebugEx.WriteLine(
"Error in DLinkSwitch_LLDP parser while processing block #{0}. Error is: {1}"
.format(index, str(Ex)))
elif self.Router.PythonRouter._switchType == DLinkSwitchType.DGS3100:
# regex search patters
# Split command output to neighbor blocks. WARNING : splitting does not work with line engins \r\n, only if \r removed !
repNeighborDataBlocks = r"Port ID\s+:\s\d+:\d+\n-(?:(?:(?!^Port ID\s+:\s\d+:\d+\n-)[\s\S])*)"
# Split command output to entity blocks. WARNING : splitting does not work with line engins \r\n, only if \r removed !
repEntityDataBlocks = r"Entity\s\d+.*(?:(?:(?!^Entity\s\d+)[\s\S])*)"
repConnectingPort = r"^Port ID\s+:\s(.*)\n--"
repRemoteChassisID = r"Chassis ID\s+:(.*)"
repRemotePortID = r"^Port ID\s+:\s(.*)\n[^-]"
repManagementAddress = r"Management Address\.+\s([a-f\d:.]+)"
# Get data from switch
lldpNeighborData = Session.ExecCommand("show lldp remote_ports")
# Must replace \r\n to simply \n
lldpNeighborData = re.sub(r"\r", "", lldpNeighborData)
# Parse neighbor data
neighborDatablocks = re.finditer(repNeighborDataBlocks,
lldpNeighborData,
re.MULTILINE | re.IGNORECASE)
for index, match in enumerate(neighborDatablocks):
try:
thisRemoteData = match.group()
localIntfName = self.GetRegexGroupMatches(
repConnectingPort, thisRemoteData, 1)[0].strip()
entityDatablocks = re.finditer(
repEntityDataBlocks, thisRemoteData,
re.MULTILINE | re.IGNORECASE)
for index, match in enumerate(entityDatablocks):
thisEntityData = match.group()
ri = self.Router.GetInterfaceByName(
localIntfName, instance)
if ri:
remoteChassisID = self.GetRegexGroupMatches(
repRemoteChassisID, thisEntityData, 1)
if remoteChassisID and remoteChassisID[0]:
remoteChassisID = remoteChassisID[0].strip()
else:
remoteChassisID = "Unknown Chassis ID"
remoteSystemName = "Unknown System Name"
# remoteSystemName = self.GetRegexGroupMatches(repRemoteSystemName, thisEntityData, 1)
# if remoteSystemName and remoteSystemName[0] :
# remoteSystemName = remoteSystemName[0].strip()
# else :
# remoteSystemName = self.GetRegexGroupMatches(repNameOfStation, thisEntityData, 1)
# if remoteSystemName and remoteSystemName[0] :
# remoteSystemName = remoteSystemName[0].strip()
# else:
remotePortName = self.GetRegexGroupMatches(
repRemotePortID, thisEntityData, 1)
remoteIntfName = ""
if remotePortName and remotePortName[0]:
remotePortName = remotePortName[0].strip()
if remotePortName.isdigit():
remotePortName = str(int(remotePortName))
remoteIntfName = remotePortName
remoteNeighboringIP = self.GetRegexGroupMatches(
repManagementAddress, thisEntityData, 1)
if remoteNeighboringIP and remoteNeighboringIP[0]:
remoteNeighboringIP = remoteNeighboringIP[
0].strip()
else:
remoteNeighboringIP = ""
# try resolve from ARP if remote PortName is a MAC address and if that can be resolved from ARP cache
isremotePortNameMAC = len(
re.findall(repMAC, remotePortName,
re.IGNORECASE)) > 0
if isremotePortNameMAC:
arpEntries = Session.ExecCommand(
"show arpentry")
m_arpEntry = filter(
lambda e: remotePortName in e,
arpEntries.splitlines())
if len(m_arpEntry) > 0:
arpEntry = m_arpEntry[0]
else:
arpEntry = ""
matchedIPs = re.findall(
repIPv4, arpEntry, re.IGNORECASE)
if len(matchedIPs) > 0:
remoteNeighboringIP = matchedIPs[
0].strip()
if not remoteNeighboringIP:
# try if remote chassi ID is MAC and if that can be resolved from ARP cache
isremoteChassisIsMAC = len(
re.findall(repMAC, remoteChassisID,
re.IGNORECASE)) > 0
if isremoteChassisIsMAC:
arpEntries = Session.ExecCommand(
"show arpentry")
m_arpEntry = filter(
lambda e: remoteChassisID in e,
arpEntries.splitlines())
if len(m_arpEntry) > 0:
arpEntry = m_arpEntry[0]
else:
arpEntry = ""
matchedIPs = re.findall(
repIPv4, arpEntry, re.IGNORECASE)
if len(matchedIPs) > 0:
remoteNeighboringIP = matchedIPs[
0].strip()
# Now we have all the data to register the neighbor
nRegistry.RegisterNeighbor(
self.Router, instance,
L3Discovery.NeighborProtocol.LLDP,
remoteChassisID, "", remoteSystemName,
remoteNeighboringIP, ri, "OK", remoteIntfName)
else:
DebugEx.WriteLine(
"DLinkSwitch_LLDP.Parse() : Router object failed to provide details for interface < {0} >"
.format(localIntfName), DebugLevel.Warning)
except Exception as Ex:
DebugEx.WriteLine(
"Error in DLinkSwitch_LLDP parser while processing block #{0}. Error is: {1}"
.format(index, str(Ex)))
elif self.Router.PythonRouter._switchType == DLinkSwitchType.DGS3400:
# regex search patters
# Split command output to neighbor blocks. WARNING : splitting does not work with line engins \r\n, only if \r removed !
repNeighborDataBlocks = r"Port ID\s+:\s+\d+\s+\n-(?:(?:(?!^Port ID\s+:\s+\d+\s+\n-)[\s\S])*)"
# Split command output to entity blocks. WARNING : splitting does not work with line endings \r\n, only if \r removed !
repEntityDataBlocks = r"Entity\s\d+.*(?:(?:(?!^Entity\s\d+)[\s\S])*)"
repConnectingPort = r"^Port ID\s+:\s(.*)\n--"
repRemoteSystemName = r"^\s+System Name\s+:(.*)"
repNameOfStation = r"^\s+System Description\.+\s(.*)"
repRemoteChassisID = r"Chassis ID\s+:(.*)"
repRemotePortID = r"Port ID\s+:\s(.*)\n[^-]"
repManagementAddress = r"Management Address\.+\s([a-f\d:.]+)"
# Get data from switch
lldpNeighborData = Session.ExecCommand("show lldp remote_ports")
# Must replace \r\n to simply \n
# lldpNeighborData = re.sub(r"\r", "", lldpNeighborData)
# Parse neighbor data
neighborDatablocks = re.finditer(repNeighborDataBlocks,
lldpNeighborData,
re.MULTILINE | re.IGNORECASE)
for index, match in enumerate(neighborDatablocks):
try:
thisRemoteData = match.group()
localIntfName = self.GetRegexGroupMatches(
repConnectingPort, thisRemoteData, 1)[0].strip()
entityDatablocks = re.finditer(
repEntityDataBlocks, thisRemoteData,
re.MULTILINE | re.IGNORECASE)
for index, match in enumerate(entityDatablocks):
thisEntityData = match.group()
ri = self.Router.GetInterfaceByName(
localIntfName, instance)
if ri:
remoteChassisID = self.GetRegexGroupMatches(
repRemoteChassisID, thisEntityData, 1)
if remoteChassisID and remoteChassisID[0]:
remoteChassisID = remoteChassisID[0].strip()
else:
remoteChassisID = "Unknown Chassis ID"
remoteSystemName = "Unknown System Name"
remoteSystemName = self.GetRegexGroupMatches(
repRemoteSystemName, thisEntityData, 1)
if remoteSystemName and remoteSystemName[0]:
remoteSystemName = remoteSystemName[0].strip()
else:
remoteSystemName = self.GetRegexGroupMatches(
repNameOfStation, thisEntityData, 1)
if remoteSystemName and remoteSystemName[0]:
remoteSystemName = remoteSystemName[
0].strip()
else:
remoteSystemName = "Unknown System Name"
remotePortName = self.GetRegexGroupMatches(
repRemotePortID, thisEntityData, 1)
remoteIntfName = ""
if remotePortName and remotePortName[0]:
remotePortName = remotePortName[0].strip()
if remotePortName.isdigit():
remotePortName = str(int(remotePortName))
remoteIntfName = remotePortName
remoteNeighboringIP = self.GetRegexGroupMatches(
repManagementAddress, thisEntityData, 1)
if remoteNeighboringIP and remoteNeighboringIP[0]:
remoteNeighboringIP = remoteNeighboringIP[
0].strip()
else:
remoteNeighboringIP = ""
# try resolve from ARP if remote PortName is a MAC address and if that can be resolved from ARP cache
isremotePortNameMAC = len(
re.findall(repMAC, remotePortName,
re.IGNORECASE)) > 0
if isremotePortNameMAC:
arpEntries = Session.ExecCommand(
"show arpentry")
m_arpEntry = filter(
lambda e: remotePortName in e,
arpEntries.splitlines())
if len(m_arpEntry) > 0:
arpEntry = m_arpEntry[0]
else:
arpEntry = ""
matchedIPs = re.findall(
repIPv4, arpEntry, re.IGNORECASE)
if len(matchedIPs) > 0:
remoteNeighboringIP = matchedIPs[
0].strip()
if not remoteNeighboringIP:
# try if remote chassi ID is MAC and if that can be resolved from ARP cache
isremoteChassisIsMAC = len(
re.findall(repMAC, remoteChassisID,
re.IGNORECASE)) > 0
if isremoteChassisIsMAC:
arpEntries = Session.ExecCommand(
"show arpentry")
m_arpEntry = filter(
lambda e: remoteChassisID in e,
arpEntries.splitlines())
if len(m_arpEntry) > 0:
arpEntry = m_arpEntry[0]
else:
arpEntry = ""
matchedIPs = re.findall(
repIPv4, arpEntry, re.IGNORECASE)
if len(matchedIPs) > 0:
remoteNeighboringIP = matchedIPs[
0].strip()
# Now we have all the data to register the neighbor
nRegistry.RegisterNeighbor(
self.Router, instance,
L3Discovery.NeighborProtocol.LLDP,
remoteChassisID, "", remoteSystemName,
remoteNeighboringIP, ri, "OK", remoteIntfName)
else:
DebugEx.WriteLine(
"DLinkSwitch_LLDP.Parse() : Router object failed to provide details for interface < {0} >"
.format(localIntfName), DebugLevel.Warning)
except Exception as Ex:
DebugEx.WriteLine(
"Error in DLinkSwitch_LLDP parser while processing block #{0}. Error is: {1}"
.format(index, str(Ex)))
def Parse(self, nRegistry, cToken, instance):
""" Perform parsing logic on the given text, which should be relevant to the supported protocols and vendors"""
# The neighbor registry object is received as parameter
# This must be used to register a new neighbor for further discovery.
# --
# A CancellationToken is also passed as parameter. The token should be checked repetitively whether cancellation was requested
# by user and if yes, stop further processing.
# --
# The RoutingInstance onject to work with is also passed as a parameter
instanceName = "default"
if instance: instanceName = instance.Name.lower()
OperationStatusLabel = "Identifying router..."
#--
cToken.ThrowIfCancellationRequested()
#
# Compiled regex search patters
repChassisType = re.compile(r"(Chassis type\s+:)(.*)", re.IGNORECASE)
repChassisID = re.compile(r"(Chassis ID\s+:)(.*)", re.IGNORECASE)
repSystemName = re.compile(r"(System name\s+:)(.*)", re.IGNORECASE)
repLocalPortID = re.compile(r"(Local Port ID\s+:)(.*)", re.IGNORECASE)
repPortID = re.compile(r"(Port ID\s+:)(.*)", re.IGNORECASE)
repPortDescription = re.compile(r"(Port description\s+:)(.*)",
re.IGNORECASE)
repManagementAddress = re.compile(r"(Address\s+:)(.*)", re.IGNORECASE)
repLLDPNeighborBlock = re.compile(
r"LLDP Neighbor Information.*\s*((?:(?!^LLDP Neighbor Information)[\s\S])*)",
re.IGNORECASE | re.MULTILINE)
repMACAddress = re.compile(
r"[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}",
re.IGNORECASE)
unknownSystemName = "Unknown system"
unknownChassisType = "Unknown chassis type"
unknownChassisID = "Unknown chassis id"
# Query all LLDP neighbors
lldpNeighbors = Session.ExecCommand("show lldp neighbors")
# Output is like below:
# Local Interface Parent Interface Chassis Id Port info System Name
# ge-1/0/6 - a4:1f:72:cf:bf:04 a4:1f:72:cf:bf:04
for thisLine in [line.strip() for line in lldpNeighbors.splitlines()]:
cToken.ThrowIfCancellationRequested()
try:
words = filter(None, thisLine.split(" "))
if len(words) >= 1:
localIntfName = words[0]
if self.IsInterrestingInterface(localIntfName):
# Check if logical unit number is specified in localIntfName
# localIntfLUN = re.findall(r"\.\d+$", localIntfName)
ri = self.Router.GetInterfaceByName(
localIntfName, instance)
if ri != None:
interfaceLUN = re.findall(r"\.\d+$", localIntfName)
# Depending on JunOS version, it sometimes reports logical interfaces for LLDP peering that has no configuration
# In this case wil will take the Physical interface that should have the proper port mode (inherit subinterface) set by JunOS router module
if ri.PortMode == L3Discovery.RouterInterfacePortMode.Unknown and len(
interfaceLUN) == 1:
phIntfName = re.sub(r"\.\d+$", "",
localIntfName)
ri = self.Router.GetInterfaceByName(
phIntfName, instance)
if ri == None:
# Could not find physical interface. This is an error we can't handle, let's continue to next LLDP interface
DebugEx.WriteLine(
"JunOS LLDP Parser error : can't find physical interface {0}"
.format(phIntfName),
DebugLevel.Warning)
continue
localIntfName = phIntfName
# Neighbor registration variables
remoteChassisID = ""
remoteIntfName = ""
remoteSystemName = ""
remoteNeighboringIP = ""
# Query LLDP details for this interface
lldpDetails = Session.ExecCommand(
"show lldp neighbors interface {0}".format(
localIntfName))
# Break output to bolcks of "LLDP Neighbor Information"
neighborBlocks = repLLDPNeighborBlock.findall(
lldpDetails)
for thisNeighborBlock in neighborBlocks:
#-- Local Port ID - The SNMP index of the local interface (used to match remote)
x = repLocalPortID.findall(thisNeighborBlock)
localPortID = (x[0][1]).strip()
ri.SNMPIndex = localPortID
# Build NeighborInformationBlock
niBlock = False
niBlockText = []
niText = ""
for detailLine in thisNeighborBlock.splitlines(
):
if detailLine.lower().startswith(
"neighbour information"):
niBlock = True
continue
elif niBlock:
# Empty line makrs the end of block
if len(detailLine.strip()) == 0: break
niBlockText.append(detailLine)
if len(niBlockText) > 0:
niText = "\r\n".join(niBlockText)
# Search for interesting information in niText
#-- SystemName - Optional field in LLDP
x = repSystemName.findall(niText)
if len(x) > 0:
remoteSystemName = (x[0][1]).strip()
else:
remoteSystemName = unknownSystemName
# -- ChassisID - Mandatory field in LLDP, but VMWare vSwitch does not send this, so be careful
x = repChassisID.findall(niText)
if len(x) > 0:
remoteChassisID = (x[0][1]).strip()
else:
remoteChassisID = unknownChassisID
#-- PortID - Mandatory field in LLDP
x = repPortID.findall(niText)
remoteIntfName = (x[0][1]).strip()
#-- ChassisType - Optional field in LLDP
x = repChassisType.findall(niText)
if len(x) > 0:
chassisType = (x[0][1]).strip()
if remoteSystemName == unknownSystemName and chassisType.lower(
) == "mac address":
# Use remoteChassisID as a unique ID
if ri.Description:
remoteSystemName = ri.Description
else:
remoteSystemName = remoteChassisID
elif chassisType.lower(
) == "interface name":
remoteChassisID = remoteSystemName
elif chassisType.lower(
) == "network address":
remoteChassisID = remoteSystemName
else:
chassisType = unknownChassisType
# Find management address if present
managementBlock = False
managementBlockText = []
managementText = ""
lineIndentLevel = -1
for detailLine in thisNeighborBlock.splitlines(
):
if detailLine.lower().startswith(
"management address"):
managementBlock = True
continue
elif managementBlock:
lineIndentLevel = len(
detailLine) - len(
detailLine.strip())
if lineIndentLevel > 0:
managementBlockText.append(
detailLine)
pass
if lineIndentLevel == 0: break
if len(managementBlockText) > 0:
managementText = "\r\n".join(
managementBlockText)
foundIP = repManagementAddress.findall(
managementText)
if len(foundIP) == 1:
remoteNeighboringIP = (
foundIP[0][1]).strip()
# Now we have all the data to register the neighbor
nRegistry.RegisterNeighbor(
self.Router, instance,
L3Discovery.NeighborProtocol.LLDP,
remoteChassisID, "", remoteSystemName,
remoteNeighboringIP, ri, "OK",
remoteIntfName)
else:
DebugEx.WriteLine(
"Router object failed to provide details for interface < {0} >"
.format(localIntfName), DebugLevel.Warning)
except Exception as Ex:
DebugEx.WriteLine(
"Error in JunOS_LLDPParser while parsine line < {0} >. Error is: {1}"
.format(thisLine, str(Ex)))
def Parse(self, nRegistry, cToken, instance):
"""Collects information about active tunnels and registers them with Network Discovery Engine"""
# The neighbor registry object is received as parameter
# This must be used to register a new neighbor for further discovery.
# --
# A CancellationToken is also passed as parameter. The token should be checked repetitively whether cancellation was requested
# by user and if yes, stop further processing.
# --
# The RoutingInstance object to work with is also passed as a parameter
instanceName = "default"
if instance: instanceName = instance.Name.lower()
OperationStatusLabel = "Identifying router..."
#--
cToken.ThrowIfCancellationRequested()
#
# process legacy (not globalprotect) vpn tunnels
#
try:
# Regex search patters
rep_vpn_State = r"state:\s+(.*)"
rep_vpn_localIP = r"^\s+local ip:(\s+[\.\d+]+)"
rep_vpn_peerIP = r"^\s+peer ip:(\s+[\.\d+]+)"
rep_Encryption = r"^\s+enc\s+algorithm:(.*)"
rep_Hashing = r"^\s+auth\s+algorithm:(.*)"
rep_ProxyBlock = r"(?<=proxy-id:)([\s\S]*)(?=anti replay)"
rep_localProxies = r"(?:\s+local ip:)(\s+[.\d\/]+)"
rep_remoteProxies = r"(?:\s+remote ip:)(\s+[.\d\/]+)"
l2lTunnels = Session.ExecCommand("show vpn tunnel").splitlines()
# rep_IPSecBlocks = r"IPsec:.*\s*(?:(?:(?!^IPsec:)[\s\S])*)"
# the line starting with TnID is the header
columnHeader = next(
(line for line in l2lTunnels if line.startswith("TnID")), None)
for vpnLine in l2lTunnels:
tnID = GetColumnValue(vpnLine, columnHeader, "TnID", " ")
if not tnID.isdigit():
continue
# --
thisTunnelID = int(tnID)
tunnel_Name = GetColumnValue(vpnLine, columnHeader, "Name",
" ")
# get detail for this connection index
thisTunnelDetails = Session.ExecCommand(
"show vpn flow tunnel-id {0}".format(thisTunnelID))
tunnel_StateStr = GetRegexGroupMatches(rep_vpn_State,
thisTunnelDetails,
1)[0].strip().lower()
tunnel_State = L3Discovery.NeighborState.Down
if "active" in tunnel_StateStr:
tunnel_State = L3Discovery.NeighborState.Active
elif "established" in tunnel_StateStr:
tunnel_State = L3Discovery.NeighborState.Established
# extract local ip address from thisTunnelDetails
tunnel_LocalAddress = GetRegexGroupMatches(
rep_vpn_localIP, thisTunnelDetails, 1)[0].strip()
# extract remote ip address from thisTunnelDetails
tunnel_PeerAddress = GetRegexGroupMatches(
rep_vpn_peerIP, thisTunnelDetails, 1)[0].strip()
# get Cipher and Hashing algorithms
cipherAlg = GetRegexGroupMatches(rep_Encryption,
thisTunnelDetails,
1)[0].strip()
hashAlg = GetRegexGroupMatches(rep_Hashing, thisTunnelDetails,
1)[0].strip()
# get local / remote networks for each ipsec tunnel
proxyBlock = GetRegexGroupMatches(rep_ProxyBlock,
thisTunnelDetails, 1)[0]
localProxies = GetRegexGroupMatches(rep_localProxies,
proxyBlock, 1)
s_localProxies = "\r\n".join([s.strip() for s in localProxies])
remoteProxies = GetRegexGroupMatches(rep_remoteProxies,
proxyBlock, 1)
s_remoteProxies = "\r\n".join(
[s.strip() for s in remoteProxies])
#
# RegisterTunnel parameters in order :
#/// <param name="router">The IRouter requesting registration</param>
#/// <param name="instance">The routing instance the tunnel is terminating on</param>
#/// <param name="tunnelProtocol">The protocol used to establish the tunnel</param>
#/// <param name="tunnelType">The link-type over the tunnel</param>
#/// <param name="tunnelName">Optional : tunnel name or description</param>
#/// <param name="tunnelState">The connection state</param>
#/// <param name="externalLocalAddress">Tunnel external, local address</param>
#/// <param name="externalRemoteAddress">Tunnel external, remote address</param>
#/// <param name="tunnelSourceAddress">Optional : Tunnel internal source address</param>
#/// <param name="tunnelDestinationAddress">Optional : Tunnel internal destination address</param>
#/// <param name="localProxy">Optional : the local networks the tunnel is forwarding for. If not empty, must contain valid ipv4 network prefixes per line</param>
#/// <param name="remoteProxy">Optional : the remote networks the tunnel is forwarding for. If not empty, must contain valid ipv4 network prefixes per line</param>
#/// <param name="cipher">Optional : the cipher algorithm used by the tunnel</param>
#/// <param name="hash">Optional : the hashing algorithm used by the tunnel</param>
#/// <param name="tag">Optional : any data to include. Max length is 1024 characters</param>
nRegistry.RegisterTunnel(
self.Router, instance, L3Discovery.NeighborProtocol.IPSEC,
L3Discovery.LinkType.P2P, tunnel_Name, tunnel_State,
tunnel_LocalAddress, tunnel_PeerAddress, None, None,
s_localProxies, s_remoteProxies, cipherAlg, hashAlg, None)
except Exception as Ex:
message = "PaloAlto VPN parser : error processing legacy vpn tunnel information. Error is : {0} ".format(
str(Ex))
DebugEx.WriteLine(message)
#
# process globalprotect vpn tunnels
#
try:
gwData = Session.ExecCommand("show global-protect-gateway gateway")
isLSVPNGateway = "GlobalProtect Gateway" in gwData
if isLSVPNGateway:
#
# Firewall acts as LSVPN Gateway
#
rep_gwAddress = r"(?:\s+Local Address\s+\(IPv4\)\s+:)(\s+[.\d\/]+)"
rep_tunnelEnryption = r"(?:\s+Encryption\s+:)(.*)"
rep_tunnelAuthentication = r"(?:\s+Authentication\s+:)(.*)"
rep_tunnelSourceAddress = r"(?:\s+Tunnel Interface IP\s+:)(\s+[.\d\/]+)"
rep_tunnelDestinationAddress = r"Satellite Tunnel IPs .+:([ .\d]+)"
# https://stackoverflow.com/questions/52354728/regex-to-split-text-to-blocks
rep_satelliteBlocks = r"Satellite\s+:.*\s*((?:(?!Satellite\s+:)[\s\S])*)"
rep_satelliteHostName = r"Satellite Hostname\s+:(.*)"
rep_satellitePublicIP = r"Public IP .+:([ .\d]+)"
gateway_Address = GetRegexGroupMatches(rep_gwAddress, gwData,
1)[0].strip()
tunnel_SourceAddress = GetRegexGroupMatches(
rep_tunnelSourceAddress, gwData, 1)[0].strip()
tunnel_Encryption = GetRegexGroupMatches(
rep_tunnelEnryption, gwData, 1)[0].strip()
tunnel_Authentication = GetRegexGroupMatches(
rep_tunnelAuthentication, gwData, 1)[0].strip()
# get satellite details
satelliteData = Session.ExecCommand(
"show global-protect-gateway current-satellite")
satelliteBlocks = GetRegexGroupMatches(rep_satelliteBlocks,
satelliteData, 1)
for thisSatelliteBlock in satelliteBlocks:
tunnel_Name = GetRegexGroupMatches(rep_satelliteHostName,
thisSatelliteBlock,
1)[0].strip()
tunnel_PublicAddress = GetRegexGroupMatches(
rep_satellitePublicIP, thisSatelliteBlock,
1)[0].strip()
tunnel_DestinationAddress = GetRegexGroupMatches(
rep_tunnelDestinationAddress, thisSatelliteBlock,
1)[0].strip()
# Only satellites with established tunnel status are enlisted by "show global-protect-gateway current-satellite", so no need to query tunnel status here
nRegistry.RegisterTunnel(
self.Router, instance,
L3Discovery.NeighborProtocol.IPSEC,
L3Discovery.LinkType.P2P, tunnel_Name,
L3Discovery.NeighborState.Established, gateway_Address,
tunnel_PublicAddress, tunnel_SourceAddress,
tunnel_DestinationAddress, None, None,
tunnel_Encryption, tunnel_Authentication, None)
else:
#
# Firewall is not an LSVPN Gateway, check if a Satellite
#
gwData = Session.ExecCommand(
"show global-protect-satellite current-gateway")
isLSVPNSatellite = "GlobalProtect Satellite" in gwData
if isLSVPNSatellite:
#
# Firewall is an LSVPN Satellite
#
rep_tunnelState = r"Status\s+:(.*)"
rep_gwAddress = r"GlobalProtect Gateway Address\s+:(.*)"
rep_tunnelDestinationAddress = r"Gateway Tunnel IP\s+:(.*)"
rep_tunnelName = r"Gateway Tunnel Name\s+:(.*)"
rep_tunnelEnryption = r"(?:\s+Encryption\s+:)(.*)"
rep_satellitePublicIP = r"(?:\s+Local Address\s+:)(\s+[.\d\/]+)"
gateway_Address = GetRegexGroupMatches(
rep_gwAddress, gwData, 1)[0].strip()
tunnel_StateStr = GetRegexGroupMatches(
rep_tunnelState, gwData, 1)[0].strip().lower()
tunnel_State = L3Discovery.NeighborState.Down
if "active" in tunnel_StateStr:
tunnel_State = L3Discovery.NeighborState.Active
elif "established" in tunnel_StateStr:
tunnel_State = L3Discovery.NeighborState.Established
if tunnel_State == L3Discovery.NeighborState.Active or tunnel_State == L3Discovery.NeighborState.Established:
tunnel_Encryption = GetRegexGroupMatches(
rep_tunnelEnryption, gwData, 1)[0].strip()
else:
tunnel_Encryption = "unknown"
tunnel_DestinationAddress = GetRegexGroupMatches(
rep_tunnelDestinationAddress, gwData, 1)[0].strip()
tunnel_Name = GetRegexGroupMatches(rep_tunnelName, gwData,
1)[0].strip()
# get satellite details
satelliteData = Session.ExecCommand(
"show global-protect-satellite satellite")
tunnel_PublicAddress = GetRegexGroupMatches(
rep_satellitePublicIP, satelliteData, 1)[0].strip()
tunnel_SourceAddress = "" # unknown
nRegistry.RegisterTunnel(
self.Router, instance,
L3Discovery.NeighborProtocol.IPSEC,
L3Discovery.LinkType.P2P, tunnel_Name, tunnel_State,
tunnel_PublicAddress, gateway_Address,
tunnel_SourceAddress, tunnel_DestinationAddress, None,
None, tunnel_Encryption, "unknown", None)
except Exception as Ex:
message = "PaloAlto VPN parser : error processing legacy vpn tunnel information. Error is : {0} ".format(
str(Ex))
DebugEx.WriteLine(message)
def Parse(self, nRegistry, cToken, instance):
""" Perform parsing logic on the given text, which should be relevant to the supported protocols and vendors"""
# The neighbor registry object is received as parameter
# This must be used to register a new neighbor for further discovery.
# --
# A CancellationToken is also passed as parameter. The token should be checked repetitively whether cancellation was requested
# by user and if yes, stop further processing.
# --
# The RoutingInstance onject to work with is also passed as a parameter
instanceName = L3Discovery.RoutingInstance.DefaultInstanceName(
self.ParsingForVendor)
if instance: instanceName = instance.Name
OperationStatusLabel = "Querying LLDP neighbor data..."
#--
cToken.ThrowIfCancellationRequested()
#
# regex search patters
repRemoteDataBlocks = r"Remote Data.*\s*((?:(?!^Remote Data)[\s\S])*)"
repConnectingPort = r"^Remote Data,\s(\d+/\d+)"
repRemoteChassisID = r"Chassis ID [^.]+\.+\s(.*)"
repRemoteSystemName = r"^\s+System Name\.+\s(.*)"
repNameOfStation = r"^\s+Name of Station\.+\s(.*)"
# repLocalPortID : regex group 1 : port number, group2 : module number (optional)GetRegexGroupMatchesGetRegexGroupMatches
repRemotePortID = r"Port ID [^)]+\)\.+\s(?:port-)?([a-f\d:]+)-?(\d+)?"
# repRemotePortDescription : regex group 1 : module number, group2 : port number
repRemotePortDescription = r"Port Description[\.\s]+Module:\s(\d+)\s+Port:\s(\d+)"
repManagementAddress = r"Management Address\.+\s([a-f\d:.]+)"
repMACAddress = re.compile(
r"[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}",
re.IGNORECASE)
lldpNeighbors = Session.ExecCommand("show lldp neighbors")
lldpRemoteData = Session.ExecCommand("show lldp remote-data")
remoteDatablocks = re.finditer(repRemoteDataBlocks, lldpRemoteData,
re.MULTILINE | re.IGNORECASE)
for index, match in enumerate(remoteDatablocks):
try:
thisRemoteData = match.group()
localIntfName = self.GetRegexGroupMatches(
repConnectingPort, thisRemoteData, 1)[0].strip()
ri = self.Router.GetInterfaceByName(localIntfName, instance)
if ri:
remoteChassisID = self.GetRegexGroupMatches(
repRemoteChassisID, thisRemoteData, 1)
if remoteChassisID and remoteChassisID[0]:
remoteChassisID = remoteChassisID[0].strip()
else:
remoteChassisID = "Unknown Chassis ID"
remoteSystemName = self.GetRegexGroupMatches(
repRemoteSystemName, thisRemoteData, 1)
if remoteSystemName and remoteSystemName[0]:
remoteSystemName = remoteSystemName[0].strip()
else:
remoteSystemName = self.GetRegexGroupMatches(
repNameOfStation, thisRemoteData, 1)
if remoteSystemName and remoteSystemName[0]:
remoteSystemName = remoteSystemName[0].strip()
else:
remoteSystemName = "Unknown System Name"
# First try repRemotePortDescription regex
remotePortName = self.GetRegexGroupMatches(
repRemotePortDescription, thisRemoteData, 2)
if remotePortName and remotePortName[0]:
remotePortName = remotePortName[0].strip()
if remotePortName.isdigit():
remotePortName = str(int(remotePortName))
remotePortModuleName = self.GetRegexGroupMatches(
repRemotePortDescription, thisRemoteData, 1)
if remotePortModuleName and remotePortModuleName[0]:
remotePortModuleName = remotePortModuleName[
0].strip()
if remotePortModuleName.isdigit():
remotePortModuleName = str(
int(remotePortModuleName))
remoteIntfName = "{0}/{1}".format(
remotePortModuleName, remotePortName)
else:
remoteIntfName = remotePortName
else:
# repRemotePortDescription failed, so let's try repRemotePortID
remotePortName = self.GetRegexGroupMatches(
repRemotePortID, thisRemoteData, 1)
if remotePortName and remotePortName[0]:
remotePortName = remotePortName[0].strip()
if remotePortName.isdigit():
remotePortName = str(int(remotePortName))
remotePortModuleName = self.GetRegexGroupMatches(
repRemotePortID, thisRemoteData, 2)
if remotePortModuleName and remotePortModuleName[0]:
remotePortModuleName = remotePortModuleName[
0].strip()
if remotePortModuleName.isdigit():
remotePortModuleName = str(
int(remotePortModuleName))
remoteIntfName = "{0}/{1}".format(
remotePortModuleName, remotePortName)
else:
remoteIntfName = remotePortName
remoteNeighboringIP = self.GetRegexGroupMatches(
repManagementAddress, thisRemoteData, 1)
if remoteNeighboringIP and remoteNeighboringIP[0]:
remoteNeighboringIP = remoteNeighboringIP[0].strip()
else:
remoteNeighboringIP = ""
# Now we have all the data to register the neighbor
nRegistry.RegisterNeighbor(
self.Router, instance,
L3Discovery.NeighborProtocol.LLDP, remoteChassisID, "",
remoteSystemName, remoteNeighboringIP, ri, "OK",
remoteIntfName)
else:
DebugEx.WriteLine(
"HirschmannSwitch_LLDP.Parse() : Router object failed to provide details for interface < {0} >"
.format(localIntfName), DebugLevel.Warning)
except Exception as Ex:
DebugEx.WriteLine(
"Error in HirschmannSwitch_LLDP parser while processing block #{0}. Error is: {1}"
.format(index, str(Ex)))
