void GetSubnet(ObjectNetwork objectNetwork, string line)
{
string lineParsed = line.Replace(ObjectNetwork.SubnetTag, null).Trim();
string[] ips = lineParsed.Split(new[] { " " }, StringSplitOptions.RemoveEmptyEntries);
bool foundIp = false;
foreach (var stringIp in ips)
{
IPAddress subnetIp = null;
if (IPAddress.TryParse(stringIp, out subnetIp))
{
if (!foundIp)
{
objectNetwork.IPGroup.IP = subnetIp;
foundIp = true;
}
else
{
objectNetwork.IPGroup.Subnet = subnetIp;
}
}
else
{
objectNetwork.IPGroup.IPAlias = lineParsed;
break;
}
}
}
void CollectObjectNetworkChecklist(ParserArgs args)
{
var objectNetworkReferences = args.Lines.Where(x => x.Contains(ObjectNetwork.ObjectNetworkTag));
//Collecting all the starting points for the object networks
foreach (var header in objectNetworkReferences.Distinct())
{
var objectNetwork = new ObjectNetwork()
{
Name = header.Replace(ObjectNetwork.ObjectNetworkTag, null).Trim(),
OriginalName = header
};
bool firstRound = true;
int lastIndex = 0;
while (true)
{
lastIndex = args.Lines.ToList().IndexOf(objectNetwork.OriginalName, firstRound ? 0 : lastIndex + 1);
if (lastIndex == -1)
{
break;
}
objectNetwork.Indices.Add(lastIndex);
firstRound = false;
}
args.Results.ObjectNetworkResults.Add(objectNetwork);
}
}
void GetOthers(ObjectNetwork objectNetwork, string line)
{
var firstSpace = line.IndexOf(" ", 0);
if (firstSpace <= 0)
{
return;
}
var pair = new KeyValuePair <string, string>(line.Substring(0, firstSpace),
line.Substring(firstSpace < 0 ? 0 : firstSpace));
objectNetwork.AdditionalColumnValues.Add(pair);
}
void GetHost(ObjectNetwork objectNetwork, string line)
{
string lineParsed = line.Replace(ObjectNetwork.HostTag, null).Trim();
IPAddress hostIp = null;
if (IPAddress.TryParse(lineParsed, out hostIp))
{
objectNetwork.IPGroup.IP = hostIp;
}
else
{
objectNetwork.IPGroup.IPAlias = lineParsed;
}
}
void ParseLinesForObjectNetworkConfigurations(ObjectNetwork focusedObjectNetwork, ParserArgs args)
{
//First pass in collecting all configurations for a specific object network.
foreach (var index in focusedObjectNetwork.Indices)
{
var skippedGroup = args.Lines.Skip(index);
foreach (var line in skippedGroup)
{
bool groupComplete = AddConfiguration(focusedObjectNetwork, line);
if (groupComplete)
{
break;
}
}
}
}
bool AddConfiguration(ObjectNetwork objectNetwork, string line)
{
bool groupComplete = false;
switch (FindTagType(line))
{
case ObjectNetworkTagOption.ObjectNetwork:
if (line == objectNetwork.OriginalName)
{
groupComplete = false;
}
else //Found the end of the configuration
{
groupComplete = true;
}
break;
case ObjectNetworkTagOption.Host:
GetHost(objectNetwork, line);
break;
case ObjectNetworkTagOption.Subnet:
GetSubnet(objectNetwork, line);
break;
case ObjectNetworkTagOption.Nat:
GetNat(objectNetwork, line);
break;
case ObjectNetworkTagOption.Description:
objectNetwork.Description = line.Replace(ObjectNetwork.DescriptionTag, null).Trim();
break;
case ObjectNetworkTagOption.None:
GetOthers(objectNetwork, line);
break;
default:
break;
}
return(groupComplete);
}
void AddNetworkDetailFromAliases(ObjectNetwork focusedObjectNetwork, ParserArgs args)
{
string aliasErrorMessage = "";
ObjectNetwork aliasNetwork = null;
var objectNetworks = args.Results.ObjectNetworkResults;
if (!string.IsNullOrEmpty(focusedObjectNetwork.IPGroup.IPAlias))
{
aliasNetwork = GetObjectNetworkFromAliases(focusedObjectNetwork.IPGroup.IPAlias, objectNetworks.ToList());
if (aliasNetwork != null)
{
focusedObjectNetwork.IPGroup.IP = aliasNetwork.IPGroup.IP;
focusedObjectNetwork.IPGroup.Subnet = aliasNetwork.IPGroup.Subnet;
}
else
{
aliasErrorMessage = string.Format("Unable to find alias '{0}' for {1} '{2}'. This name was an alias provided for the host or subnet ip.", focusedObjectNetwork.IPGroup.IPAlias,
ObjectNetwork.ObjectGroupTag,
focusedObjectNetwork.Name);
}
}
if (!string.IsNullOrEmpty(focusedObjectNetwork.NatIPAlias))
{
aliasNetwork = GetObjectNetworkFromAliases(focusedObjectNetwork.NatIPAlias, objectNetworks.ToList());
if (aliasNetwork != null)
{
focusedObjectNetwork.NatIP = aliasNetwork.IPGroup.IP != null ? aliasNetwork.IPGroup.IP : aliasNetwork.NatIP;
}
else
{
aliasErrorMessage = string.Format("Unable to find alias '{0}' for {1} '{2}'. This name was an alias provided for the NatIP.", focusedObjectNetwork.NatIPAlias,
ObjectNetwork.ObjectGroupTag,
focusedObjectNetwork.Name);
}
}
if (!string.IsNullOrEmpty(aliasErrorMessage))
{
focusedObjectNetwork.Comments.AppendLine(aliasErrorMessage);
}
}
void GetNat(ObjectNetwork objectNetwork, string line)
{
//nat (inside,outside) static Someone2
//nat (inside,outside) static 208.97.227.215
//nat (inside,outside) dynamic HPS_Global_DataCenter
var values = line.Replace(ObjectNetwork.NatTag, null).Trim().Split(' ');
IPAddress natIP = null;
foreach (var value in values)
{
if (string.IsNullOrEmpty(objectNetwork.NatStatement))
{
objectNetwork.NatStatement = string.Format("\"{0}\"", value);
}
else if (string.IsNullOrEmpty(objectNetwork.NatType))
{
objectNetwork.NatType = value;
}
else if (objectNetwork.NatIP == null && string.IsNullOrEmpty(objectNetwork.NatIPAlias))
{
if (!IPAddress.TryParse(value, out natIP))
{
objectNetwork.NatIPAlias = value;
}
else
{
objectNetwork.NatIP = natIP;
}
}
else
{
objectNetwork.NatPorts.Add(value); //TODO: Figure out how we want to display this information...
}
}
}
