public F2B.FirewallConditions Conditions()
{
F2B.FirewallConditions conds = new F2B.FirewallConditions();
byte[] data = stream.ToArray();
int pos = DataSize[F2B_FWDATA_TYPE0_ENUM.F2B_FWDATA_EXPIRATION];
while (pos < data.Length)
{
int size = 0;
DataSize.TryGetValue((F2B_FWDATA_TYPE0_ENUM)data[pos], out size);
// this is not necessary because we validate input data
//if (size == 0)
//{
// // undefined size or unknown type
// throw new InvalidDataException("Unknown FwData type or size: " + data[pos]);
//}
//
//if (!(data.Length >= pos + size))
//{
// // Truncated data?!
// throw new InvalidDataException("Truncated FwData data with type: " + data[pos]);
//}
// Create new firewall rule
switch ((F2B_FWDATA_TYPE0_ENUM)data[pos])
{
case F2B_FWDATA_TYPE0_ENUM.F2B_FWDATA_EXPIRATION:
throw new InvalidDataException("More expiration records in FwData");
//expiration = IPAddress.NetworkToHostOrder(BitConverter.ToInt64(data, pos + 1));
//break;
case F2B_FWDATA_TYPE0_ENUM.F2B_FWDATA_IPv4:
case F2B_FWDATA_TYPE0_ENUM.F2B_FWDATA_IPv4_AND_PREFIX:
byte[] baddr4 = new byte[4];
Array.Copy(data, pos + 1, baddr4, 0, 4);
if ((F2B_FWDATA_TYPE0_ENUM)data[pos] == F2B_FWDATA_TYPE0_ENUM.F2B_FWDATA_IPv4)
{
conds.Add(new IPAddress(baddr4));
}
else
{
conds.Add(new IPAddress(baddr4), data[pos + 1 + 4]);
}
break;
case F2B_FWDATA_TYPE0_ENUM.F2B_FWDATA_IPv4_RANGE:
byte[] baddrLow4 = new byte[4];
byte[] baddrHigh4 = new byte[4];
Array.Copy(data, pos + 1, baddrLow4, 0, 4);
Array.Copy(data, pos + 1 + 4, baddrHigh4, 0, 4);
conds.Add(new IPAddress(baddrLow4), new IPAddress(baddrHigh4));
break;
case F2B_FWDATA_TYPE0_ENUM.F2B_FWDATA_IPv6:
case F2B_FWDATA_TYPE0_ENUM.F2B_FWDATA_IPv6_AND_PREFIX:
byte[] baddr6 = new byte[16];
Array.Copy(data, pos + 1, baddr6, 0, 16);
if ((F2B_FWDATA_TYPE0_ENUM)data[pos] == F2B_FWDATA_TYPE0_ENUM.F2B_FWDATA_IPv6)
{
conds.Add(new IPAddress(baddr6));
}
else
{
conds.Add(new IPAddress(baddr6), data[pos + 1 + 16]);
}
break;
case F2B_FWDATA_TYPE0_ENUM.F2B_FWDATA_IPv6_RANGE:
byte[] baddrLow6 = new byte[16];
byte[] baddrHigh6 = new byte[16];
Array.Copy(data, pos + 1, baddrLow6, 0, 16);
Array.Copy(data, pos + 1 + 4, baddrHigh6, 0, 16);
conds.Add(new IPAddress(baddrLow6), new IPAddress(baddrHigh6));
break;
case F2B_FWDATA_TYPE0_ENUM.F2B_FWDATA_PORT:
conds.Add(IPAddress.NetworkToHostOrder(BitConverter.ToInt16(data, pos + 1)));
break;
case F2B_FWDATA_TYPE0_ENUM.F2B_FWDATA_PORT_RANGE:
conds.Add(IPAddress.NetworkToHostOrder(BitConverter.ToInt16(data, pos + 1)),
IPAddress.NetworkToHostOrder(BitConverter.ToInt16(data, pos + 1 + 2)));
break;
case F2B_FWDATA_TYPE0_ENUM.F2B_FWDATA_PROTOCOL:
conds.Add((ProtocolType)data[pos + 1]);
break;
default:
throw new InvalidDataException("Unknown FwData type: " + data[pos]);
//break;
}
pos += size;
}
return(conds);
}
public F2B.FirewallConditions Conditions()
{
F2B.FirewallConditions conds = new F2B.FirewallConditions();
byte[] data = stream.ToArray();
int pos = DataSize[F2B_FWDATA_TYPE0_ENUM.F2B_FWDATA_EXPIRATION];
while (pos < data.Length)
{
int size = 0;
DataSize.TryGetValue((F2B_FWDATA_TYPE0_ENUM)data[pos], out size);
// this is not necessary because we validate input data
//if (size == 0)
//{
// // undefined size or unknown type
// throw new InvalidDataException("Unknown FwData type or size: " + data[pos]);
//}
//
//if (!(data.Length >= pos + size))
//{
// // Truncated data?!
// throw new InvalidDataException("Truncated FwData data with type: " + data[pos]);
//}
// Create new firewall rule
switch ((F2B_FWDATA_TYPE0_ENUM)data[pos])
{
case F2B_FWDATA_TYPE0_ENUM.F2B_FWDATA_EXPIRATION:
throw new InvalidDataException("More expiration records in FwData");
//expiration = IPAddress.NetworkToHostOrder(BitConverter.ToInt64(data, pos + 1));
//break;
case F2B_FWDATA_TYPE0_ENUM.F2B_FWDATA_IPv4:
case F2B_FWDATA_TYPE0_ENUM.F2B_FWDATA_IPv4_AND_PREFIX:
byte[] baddr4 = new byte[4];
Array.Copy(data, pos + 1, baddr4, 0, 4);
if ((F2B_FWDATA_TYPE0_ENUM)data[pos] == F2B_FWDATA_TYPE0_ENUM.F2B_FWDATA_IPv4)
conds.Add(new IPAddress(baddr4));
else
conds.Add(new IPAddress(baddr4), data[pos + 1 + 4]);
break;
case F2B_FWDATA_TYPE0_ENUM.F2B_FWDATA_IPv4_RANGE:
byte[] baddrLow4 = new byte[4];
byte[] baddrHigh4 = new byte[4];
Array.Copy(data, pos + 1, baddrLow4, 0, 4);
Array.Copy(data, pos + 1 + 4, baddrHigh4, 0, 4);
conds.Add(new IPAddress(baddrLow4), new IPAddress(baddrHigh4));
break;
case F2B_FWDATA_TYPE0_ENUM.F2B_FWDATA_IPv6:
case F2B_FWDATA_TYPE0_ENUM.F2B_FWDATA_IPv6_AND_PREFIX:
byte[] baddr6 = new byte[16];
Array.Copy(data, pos + 1, baddr6, 0, 16);
if ((F2B_FWDATA_TYPE0_ENUM)data[pos] == F2B_FWDATA_TYPE0_ENUM.F2B_FWDATA_IPv6)
conds.Add(new IPAddress(baddr6));
else
conds.Add(new IPAddress(baddr6), data[pos + 1 + 4]);
break;
case F2B_FWDATA_TYPE0_ENUM.F2B_FWDATA_IPv6_RANGE:
byte[] baddrLow6 = new byte[16];
byte[] baddrHigh6 = new byte[16];
Array.Copy(data, pos + 1, baddrLow6, 0, 16);
Array.Copy(data, pos + 1 + 4, baddrHigh6, 0, 16);
conds.Add(new IPAddress(baddrLow6), new IPAddress(baddrHigh6));
break;
case F2B_FWDATA_TYPE0_ENUM.F2B_FWDATA_PORT:
conds.Add(IPAddress.NetworkToHostOrder(BitConverter.ToInt16(data, pos + 1)));
break;
case F2B_FWDATA_TYPE0_ENUM.F2B_FWDATA_PORT_RANGE:
conds.Add(IPAddress.NetworkToHostOrder(BitConverter.ToInt16(data, pos + 1)),
IPAddress.NetworkToHostOrder(BitConverter.ToInt16(data, pos + 1 + 2)));
break;
case F2B_FWDATA_TYPE0_ENUM.F2B_FWDATA_PROTOCOL:
conds.Add((ProtocolType)data[pos + 1]);
break;
default:
throw new InvalidDataException("Unknown FwData type: " + data[pos]);
//break;
}
pos += size;
}
return conds;
}
