static List <ArpEntry> ScanTarget(IPAddress ip, ScanOptions options)
{
List <ArpEntry> results = new List <ArpEntry>();
OctetString community = new OctetString(options.Community);
List <Variable> ARPTypeResult = new List <Variable>();
List <Variable> ARPIPResult = new List <Variable>();
List <Variable> ARPPhysAddrResult = new List <Variable>();
try
{
Messenger.BulkWalk(VersionCode.V2,
new IPEndPoint(ip, 161),
new OctetString(options.Community),
new ObjectIdentifier("1.3.6.1.2.1.4.22.1.4"),
ARPTypeResult,
options.SNMPTimeout,
10,
WalkMode.WithinSubtree,
null,
null);
Messenger.BulkWalk(VersionCode.V2,
new IPEndPoint(ip, 161),
new OctetString(options.Community),
new ObjectIdentifier("1.3.6.1.2.1.4.22.1.2"),
ARPPhysAddrResult,
options.SNMPTimeout,
10,
WalkMode.WithinSubtree,
null,
null);
Messenger.BulkWalk(VersionCode.V2,
new IPEndPoint(ip, 161),
new OctetString(options.Community),
new ObjectIdentifier("1.3.6.1.2.1.4.22.1.3"),
ARPIPResult,
options.SNMPTimeout,
10,
WalkMode.WithinSubtree,
null,
null);
}
catch (Lextm.SharpSnmpLib.Messaging.TimeoutException te)
{
Console.WriteLine("Request to {0} timed out, skipping... : {1}", ip, te);
return(results);
}
foreach (Variable v in ARPTypeResult)
{
if (v.Data.Equals(new Integer32(4)) && options.ProcessStaticARPEntries == false)
{
continue;
}
else if (v.Data.Equals(new Integer32(3)) && options.ProcessDynamicARPEntries == false)
{
continue;
}
else if (v.Data.Equals(new Integer32(2)) && options.ProcessInvalidARPEntries == false)
{
continue;
}
else if (v.Data.Equals(new Integer32(1)) && options.ProcessOtherARPEntries == false)
{
continue;
}
uint[] numID = v.Id.ToNumerical().ToArray();
numID[9] = 3;
ObjectIdentifier IPID = new ObjectIdentifier(numID);
ISnmpData IPData = ARPIPResult.Where(i => i.Id == IPID).Select(x => x).Single().Data;
numID[9] = 2;
ObjectIdentifier PhysAddrID = new ObjectIdentifier(numID);
ISnmpData PhysAddrData = ARPPhysAddrResult.Where(i => i.Id == PhysAddrID).Select(x => x).Single().Data;
System.Net.NetworkInformation.PhysicalAddress mac = new System.Net.NetworkInformation.PhysicalAddress(PhysAddrData.ToBytes().Skip(2).ToArray());
ArpEntry entry = new ArpEntry(IPAddress.Parse(IPData.ToString()), mac);
results.Add(entry);
}
return(results);
}
static List<ArpEntry> ScanTarget(IPAddress ip, ScanOptions options)
{
List<ArpEntry> results = new List<ArpEntry>();
OctetString community = new OctetString(options.Community);
List<Variable> ARPTypeResult = new List<Variable>();
List<Variable> ARPIPResult = new List<Variable>();
List<Variable> ARPPhysAddrResult = new List<Variable>();
try
{
Messenger.BulkWalk(VersionCode.V2,
new IPEndPoint(ip, 161),
new OctetString(options.Community),
new ObjectIdentifier("1.3.6.1.2.1.4.22.1.4"),
ARPTypeResult,
options.SNMPTimeout,
10,
WalkMode.WithinSubtree,
null,
null);
Messenger.BulkWalk(VersionCode.V2,
new IPEndPoint(ip, 161),
new OctetString(options.Community),
new ObjectIdentifier("1.3.6.1.2.1.4.22.1.2"),
ARPPhysAddrResult,
options.SNMPTimeout,
10,
WalkMode.WithinSubtree,
null,
null);
Messenger.BulkWalk(VersionCode.V2,
new IPEndPoint(ip, 161),
new OctetString(options.Community),
new ObjectIdentifier("1.3.6.1.2.1.4.22.1.3"),
ARPIPResult,
options.SNMPTimeout,
10,
WalkMode.WithinSubtree,
null,
null);
}
catch(Lextm.SharpSnmpLib.Messaging.TimeoutException te)
{
Console.WriteLine("Request to {0} timed out, skipping... : {1}", ip, te);
return results;
}
foreach (Variable v in ARPTypeResult)
{
if (v.Data.Equals(new Integer32(4)) && options.ProcessStaticARPEntries == false)
continue;
else if (v.Data.Equals(new Integer32(3)) && options.ProcessDynamicARPEntries == false)
continue;
else if (v.Data.Equals(new Integer32(2)) && options.ProcessInvalidARPEntries == false)
continue;
else if (v.Data.Equals(new Integer32(1)) && options.ProcessOtherARPEntries == false)
continue;
uint[] numID = v.Id.ToNumerical().ToArray();
numID[9] = 3;
ObjectIdentifier IPID = new ObjectIdentifier(numID);
ISnmpData IPData = ARPIPResult.Where(i => i.Id == IPID).Select(x => x).Single().Data;
numID[9] = 2;
ObjectIdentifier PhysAddrID = new ObjectIdentifier(numID);
ISnmpData PhysAddrData = ARPPhysAddrResult.Where(i => i.Id == PhysAddrID).Select(x => x).Single().Data;
System.Net.NetworkInformation.PhysicalAddress mac = new System.Net.NetworkInformation.PhysicalAddress(PhysAddrData.ToBytes().Skip(2).ToArray());
ArpEntry entry = new ArpEntry(IPAddress.Parse(IPData.ToString()), mac);
results.Add(entry);
}
return results;
}
