public unsafe void SendPacket(Packet pkt)
{
bool worked = false;
if (pkt.Outbound)
{
ETH_REQUEST Request = new ETH_REQUEST();
INTERMEDIATE_BUFFER *ib = pkt.IB;
Request.EthPacket.Buffer = (IntPtr)ib;
Request.hAdapterHandle = adapterHandle;
if (!Ndisapi.SendPacketToAdapter(hNdisapi, ref Request))
{
worked = false;
}
else
{
worked = true;
}
}
else
{
ETH_REQUEST Request = new ETH_REQUEST();
INTERMEDIATE_BUFFER *ib = pkt.IB;
Request.EthPacket.Buffer = (IntPtr)ib;
Request.hAdapterHandle = adapterHandle;
worked = Ndisapi.SendPacketToMstcp(hNdisapi, ref Request);
}
if (pkt.CodeGenerated)
{
pkt.ClearGeneratedPacket();
}
}
public UDPPacket(INTERMEDIATE_BUFFER *in_packet)
: base(in_packet)
{
if (!isUDP())
{
throw new Exception("Not a UDP packet!");
}
start = base.LayerStart() + base.LayerLength();
}
public ARPPacket(INTERMEDIATE_BUFFER *in_packet)
: base(in_packet)
{
if (!isARP())
{
throw new Exception("Not an ARP packet!");
}
start = base.LayerStart() + base.LayerLength();
length = this.Length() - base.LayerLength();
}
public DNSPacket(INTERMEDIATE_BUFFER *in_packet)
: base(in_packet)
{
if (!isDNS())
{
throw new Exception("Not a DNS packet!");
}
start = base.LayerStart() + base.LayerLength();
length = Length() - start;
}
public ICMPv6Packet(INTERMEDIATE_BUFFER *in_packet)
: base(in_packet)
{
if (!isICMPv6())
{
throw new Exception("Not an ICMPv6 packet!");
}
start = base.LayerStart() + base.LayerLength();
length = base.TotalLength;
}
public TCPPacket(INTERMEDIATE_BUFFER *in_packet)
: base(in_packet)
{
if (!isTCP())
{
throw new Exception("Not a TCP packet!");
}
start = base.LayerStart() + base.LayerLength();
length = (uint)((data->m_IBuffer[start + 12] >> 4) * 4);
}
public EthPacket(int length)
{
data = (INTERMEDIATE_BUFFER*)Marshal.AllocHGlobal(Marshal.SizeOf(new INTERMEDIATE_BUFFER()));
ZeroMemory((IntPtr)data, Marshal.SizeOf(new INTERMEDIATE_BUFFER()));
data->m_qLink = new LIST_ENTRY();
data->m_qLink.Blink = IntPtr.Zero;
data->m_qLink.Flink = IntPtr.Zero;
data->m_Length = (uint)length;
data->m_dwDeviceFlags = PACKET_FLAG_ON_SEND;
data->m_Flags = 0;
generated = true;
}
public IPPacket(INTERMEDIATE_BUFFER *in_packet)
: base(in_packet)
{
if (!isIP())
{
throw new Exception("Not an IP packet!");
}
start = base.LayerStart() + base.LayerLength();
if (isIPv6())
{
length = 40;
}
else
{
length = (uint)((data->m_IBuffer[start] & 0xf) * 4);
}
}
public unsafe override PacketMainReturn interiorMain(ref Packet in_packet)
{
lock (padlock)
{
if (theirMac == null)
{
return(null);
}
EthPacket e = (EthPacket)in_packet;
if ((e.Proto[0] & 0x01) == 0x01 && (CompareMac(theirMac, e.FromMac) && CompareMac(myMac, e.ToMac) || (CompareMac(theirMac, e.ToMac) && CompareMac(myMac, e.FromMac))))
{
INTERMEDIATE_BUFFER *IB = e.IB;
rc4.SetKeyState(key);
INTERMEDIATE_BUFFER *iba = (INTERMEDIATE_BUFFER *)Marshal.AllocHGlobal(Marshal.SizeOf(new INTERMEDIATE_BUFFER()));
iba->m_dwDeviceFlags = IB->m_dwDeviceFlags;
iba->m_Flags = IB->m_Flags;
iba->m_Length = IB->m_Length;
iba->m_qLink = IB->m_qLink;
for (int x = 12; x < IB->m_Length; x++)
{
iba->m_IBuffer[x] = (byte)(IB->m_IBuffer[x] ^ rc4.Next());
}
EthPacket nPacket = new EthPacket(iba);
nPacket.FromMac = e.FromMac;
nPacket.ToMac = e.ToMac;
nPacket.Proto = new byte[2];
nPacket.Proto[0] = (byte)(0xFE & e.Proto[0]);
nPacket.Proto[1] = e.Proto[1];
adapter.ProcessPacket(nPacket);
return(new PacketMainReturn("SimpleMacEncryption")
{
returnType = PacketMainReturnType.Drop
});
}
}
return(null);
}
public EthPacket(INTERMEDIATE_BUFFER *in_packet)
{
data = in_packet;
}
public EthPacket(INTERMEDIATE_BUFFER* in_packet)
{
data = in_packet;
}
public EETHPacket(INTERMEDIATE_BUFFER *in_packet)
: base(in_packet)
{
}
