?? packetip.cs
字號(hào):
using System;
using System.Windows.Forms;
namespace MyClasses
{
using PACKET_INTERNET = Packet32.PACKET_INTERNET;
using PACKET_TCP = Packet32.PACKET_TCP;
using PACKET_UDP = Packet32.PACKET_UDP;
using PACKET_HTTP = Packet32.PACKET_HTTP;
using PACKET_ICMP = Packet32.PACKET_ICMP;
using PACKET_EIGRP = Packet32.PACKET_EIGRP;
using PACKET_FRAME = Packet32.PACKET_FRAME;
using PACKET_ITEM = Packet32.PACKET_ITEM;
using PACKET_NETBIOS_SESSION_SERVICE = Packet32.PACKET_NETBIOS_SESSION_SERVICE;
using PACKET_SMB = Packet32.PACKET_SMB;
using PACKET_SMB_SSMB_REQUEST = Packet32.PACKET_SMB_SSMB_REQUEST;
using PACKET_SMB_BODY = Packet32.PACKET_SMB_BODY;
using PACKET_SMB_HEADER = Packet32.PACKET_SMB_HEADER;
public class PacketIP
{
public static int PACKET_FRAME_LENGTH = 20;
public static int PACKET_ETHERNET_LENGTH = 14;
public static int PACKET_INTERNET_LENGTH = 20;
public static int PACKET_TCP_LENGTH = 20;
public static int PACKET_NETBIOS_SESSION_SERVICE_LENGTH = 4;
public static int PACKET_UDP_LENGTH = 8;
public static int PACKET_ICMP_LENGTH = 8;
public static int PACKET_EIGRP_LENGTH = 40;
public static int PACKET_SMB_HEADER_LENGTH = 32;
public static int PACKET_SMB_BODY_LENGTH = 3;
public static byte TCP_FLAGS_CWR_CONGESTION_WINDOW_REDUCED = 0x80;
public static byte TCP_FLAGS_ECN_ECHO = 0x40;
public static byte TCP_FLAGS_URGENT = 0x20;
public static byte TCP_FLAGS_ACKNOWLEDGEMENT = 0x10;
public static byte TCP_FLAGS_PUSH = 0x08;
public static byte TCP_FLAGS_RESET = 0x04;
public static byte TCP_FLAGS_SYN = 0x02;
public static byte TCP_FLAGS_FIN = 0x01;
public const int IPPROTO_IP = 0; // dummy for IP
public const int IPPROTO_ICMP = 1; // control message protocol
public const int IPPROTO_IGMP = 2; // internet group management protocol
public const int IPPROTO_GGP = 3; // gateway^2 (deprecated)
public const int IPPROTO_TCP = 6; // tcp
public const int IPPROTO_PUP = 12; // pup
public const int IPPROTO_UDP = 17; // user datagram protocol
public const int IPPROTO_IDP = 22; // xns idp
public const int IPPROTO_IPV6 = 41; // IPv6
public const int IPPROTO_ND = 77; // UNOFFICIAL net disk proto
public const int IPPROTO_ICLFXBM = 78;
public const int IPPROTO_EIGRP = 88; // EIGRP
public const int IPPROTO_RAW = 255; // raw IP packet
public const int IPPROTO_MAX = 256;
public const int IPPORT_ECHO = 7;
public const int IPPORT_DISCARD = 9;
public const int IPPORT_SYSTAT = 11;
public const int IPPORT_DAYTIME = 13;
public const int IPPORT_NETSTAT = 15;
public const int IPPORT_FTP = 21;
public const int IPPORT_TELNET = 23;
public const int IPPORT_SMTP = 25;
public const int IPPORT_TIMESERVER = 37;
public const int IPPORT_NAMESERVER = 42;
public const int IPPORT_DNS = 43;
public const int IPPORT_MTP = 57;
public const int IPPORT_TFTP = 69;
public const int IPPORT_RJE = 77;
public const int IPPORT_FINGER = 79;
public const int IPPORT_HTTP = 80;
public const int IPPORT_HTTP2 = 8080;
public const int IPPORT_SSDP = 1031;
public const int IPPORT_TTYLINK = 87;
public const int IPPORT_SUPDUP = 95;
public const int IPPORT_EPMEP = 135;
public const int IPPORT_NETBIOS_NS = 137;
public const int IPPORT_NETBIOS_DATAGRAM = 138;
public const int IPPORT_NETBIOS_SSN = 139;
public const int IPPORT_EXECSERVER = 512;
public const int IPPORT_LOGINSERVER = 513;
public const int IPPORT_CMDSERVER = 514;
public const int IPPORT_WHOSERVER = 513;
public const int IPPORT_ROUTESERVER = 520;
public const int NORMAL = 0;
public const int VALUE = 1;
private PACKET_INTERNET PInternet;
private PACKET_TCP PTcp;
private PACKET_UDP PUdp;
private PACKET_HTTP PHttp;
private PACKET_ICMP PIcmp;
private PACKET_EIGRP PEigrp;
private PACKET_NETBIOS_SESSION_SERVICE PNBSessionService;
private PACKET_SMB PSmb;
private PACKET_SMB_SSMB_REQUEST PSsmbRequest;
private PACKET_SMB_BODY PSmbBody;
private PACKET_SMB_HEADER PSmbHeader;
public PacketIP()
{
}
unsafe public string GetProtocolStr( int Prtcl )
{
string Tmp = "";
switch( Prtcl )
{
case IPPROTO_IP : Tmp = "IP Protocol" ; break;
case IPPROTO_ICMP : Tmp = "ICMP Protocol" ; break;
case IPPROTO_IGMP : Tmp = "IGMP Protocol" ; break;
case IPPROTO_GGP : Tmp = "GGP Protocol" ; break;
case IPPROTO_TCP : Tmp = "TCP Protocol" ; break;
case IPPROTO_PUP : Tmp = "PUP Protocol" ; break;
case IPPROTO_UDP : Tmp = "UDP Protocol" ; break;
case IPPROTO_IDP : Tmp = "IDP Protocol" ; break;
case IPPROTO_IPV6 : Tmp = "IPV6 Protocol" ; break;
case IPPROTO_ND : Tmp = "ND Protocol" ; break;
case IPPROTO_ICLFXBM : Tmp = "ICLFXBM Protocol" ; break;
case IPPROTO_EIGRP : Tmp = "EIGRP Protocol" ; break;
case IPPROTO_RAW : Tmp = "RAW Protocol" ; break;
case IPPROTO_MAX : Tmp = "MAX Protocol" ; break;
default : Tmp = "Unknown Protocol" ; break;
}
return Tmp;
}
unsafe public string GetPortStr( int Prt )
{
string Tmp = "";
switch( Prt )
{
case IPPORT_ECHO : Tmp = "ECHO"; break;
case IPPORT_DISCARD : Tmp = "DISCARD"; break;
case IPPORT_SYSTAT : Tmp = "SYSTAT"; break;
case IPPORT_DAYTIME : Tmp = "DAYTIME"; break;
case IPPORT_NETSTAT : Tmp = "NETSTAT"; break;
case IPPORT_FTP : Tmp = "FTP"; break;
case IPPORT_TELNET : Tmp = "TELNET"; break;
case IPPORT_SMTP : Tmp = "SMPTP"; break;
case IPPORT_TIMESERVER : Tmp = "TIMESERVER"; break;
case IPPORT_NAMESERVER : Tmp = "NAMESERVER"; break;
case IPPORT_DNS : Tmp = "DNS"; break;
case IPPORT_MTP : Tmp = "MTP"; break;
case IPPORT_TFTP : Tmp = "TFTP"; break;
case IPPORT_RJE : Tmp = "RJE"; break;
case IPPORT_FINGER : Tmp = "FINGER"; break;
case IPPORT_HTTP : Tmp = "HTTP"; break;
case IPPORT_HTTP2 : Tmp = "HTTP"; break;
case IPPORT_SSDP : Tmp = "SSDP"; break;
case IPPORT_TTYLINK : Tmp = "TTYLINK"; break;
case IPPORT_SUPDUP : Tmp = "SUPDUP"; break;
case IPPORT_EPMEP : Tmp = "EPMEP"; break;
case IPPORT_NETBIOS_NS : Tmp = "NETBIOS NAME SERVICE"; break;
case IPPORT_NETBIOS_DATAGRAM : Tmp = "NETBIOS DATAGRAM"; break;
case IPPORT_NETBIOS_SSN : Tmp = "NETBIOS SSN"; break;
case IPPORT_EXECSERVER : Tmp = "EXECSERVER"; break;
case IPPORT_CMDSERVER : Tmp = "CMDSERVER"; break;
case IPPORT_WHOSERVER : Tmp = "WHOSERVER"; break;
case IPPORT_ROUTESERVER : Tmp = "ROUTESERVER"; break;
default : Tmp = "Unknown Port"; break;
}
return Tmp;
}
unsafe static string GetTCPFLAGSStr( byte Flg )
{
string Tmp = "";
if( ( ( Flg & 0x80 ) >> 7 ) == 1 )
Tmp += "Congestion window reduced ( CWR ),";
if( ( ( Flg & 0x40 ) >> 6 ) == 1 )
Tmp += "ECN-Echo,";
if( ( ( Flg & 0x20 ) >> 5 ) == 1 )
Tmp += "Urgent,";
if( ( ( Flg & 0x10 ) >> 4 ) == 1 )
Tmp += "Acknowldegement,";
if( ( ( Flg & 0x08 ) >> 3 ) == 1 )
Tmp += "Push,";
if( ( ( Flg & 0x04 ) >> 2 ) == 1 )
Tmp += "Reset,";
if( ( ( Flg & 0x02 ) >> 1 ) == 1 )
Tmp += "Sync,";
if( ( Flg & 0x01 ) == 1 )
Tmp += "Fin,";
if( Tmp != "" )
Tmp = Tmp.Substring( 0 , Tmp.Length - 1 );
return Tmp;
}
public unsafe int GetPNBSSPart( int CurrentPtr )
{
byte * ptr = ( byte * ) CurrentPtr;
byte b = 0;
ushort u = 0;
b = *( ptr );
PNBSessionService.MessageType = b;
b = *( ptr + 1 );
PNBSessionService.Flags = b;
u = AllFunctions.Get2Bytes( ptr + 2 , NORMAL );
PNBSessionService.Length = u;
return ( CurrentPtr + PACKET_NETBIOS_SESSION_SERVICE_LENGTH );
}
public unsafe void GetSMBPart( int CurrentPtr )
{
byte * ptr = ( byte * ) CurrentPtr;
byte b = 0;
ushort u = 0;
int i = 0;
PSmbHeader.ServerComponent = ""; ptr++;
PSmbHeader.ServerComponent += (char) *( ptr++ );
PSmbHeader.ServerComponent += (char) *( ptr++ );
PSmbHeader.ServerComponent += (char) *( ptr++ );
b = *( ptr++ );
PSmbHeader.Command = b;
b = *( ptr++ );
PSmbHeader.ErrorClass = b;
b = *( ptr++ );
PSmbHeader.Reserved1 = b;
u = AllFunctions.Get2Bytes( ptr , NORMAL ); ptr += 2;
PSmbHeader.ErrorCode = u;
b = *( ptr++ );
PSmbHeader.Flags = b;
u = AllFunctions.Get2Bytes( ptr , NORMAL ); ptr += 2;
PSmbHeader.Flags2 = u;
PSmbHeader.Reserved2 = new byte[12];
for( i = 0; i < 12; i ++ )
PSmbHeader.Reserved2[i] = *( ptr++ );
u = AllFunctions.Get2Bytes( ptr , NORMAL ); ptr += 2;
PSmbHeader.TreeId = u;
u = AllFunctions.Get2Bytes( ptr , NORMAL ); ptr += 2;
PSmbHeader.ProcessId = u;
u = AllFunctions.Get2Bytes( ptr , NORMAL ); ptr += 2;
PSmbHeader.UserId = u;
u = AllFunctions.Get2Bytes( ptr , NORMAL ); ptr += 2;
PSmbHeader.MultiplexId = u;
if( PSmbHeader.Command == 0x0d )
{
PSmbBody.WordCount = *( ptr++ );
PSmbBody.ByteCount = AllFunctions.Get2Bytes( ptr , NORMAL ); ptr += 2;
if( PSmbBody.ByteCount > 0 )
{
PSsmbRequest.OriginatorBufferFormat = *( ptr++ );
i = 0;
PSsmbRequest.OriginatorName = "";
while( *( ptr++ ) != 0 )
PSsmbRequest.OriginatorName += (char) *( ptr );
ptr++;
PSsmbRequest.DestinationBufferFormat = *( ptr++ );
PSsmbRequest.DestinationName = "";
while( *( ptr++ ) != 0 )
PSsmbRequest.DestinationName += (char) *( ptr );
ptr++;
PSsmbRequest.MessageBufferFormat = *( ptr++ );
PSsmbRequest.MessageLen = AllFunctions.Get2Bytes( ptr , NORMAL ); ptr += 2;
PSsmbRequest.Message = "";
for( i = 0; i < PSsmbRequest.MessageLen; i ++ )
PSsmbRequest.Message += (char) *( ptr++ );
PSmb.ConnectedObject = PSsmbRequest;
}
PSmb.SmbHeader = PSmbHeader;
PSmb.SmbBody = PSmbBody;
}
}
public unsafe int GetICMPPart( int CurrentPtr , int PacketSize )
{
byte * ptr = ( byte * ) CurrentPtr;
int Size = 0;
byte b;
ushort val = 0;
int i = 0;
b = *( ptr++ );
PIcmp.Type = b;
b = *( ptr++ );
PIcmp.Code = b;
val = AllFunctions.Get2Bytes( ptr , NORMAL ); ptr += 2;
PIcmp.Checksum = val;
val = AllFunctions.Get2Bytes( ptr , NORMAL ); ptr += 2;
PIcmp.Identifier = val;
val = AllFunctions.Get2Bytes( ptr , NORMAL ); ptr += 2;
PIcmp.SequenceNumber = val;
Size = PacketSize - PACKET_ETHERNET_LENGTH - PACKET_INTERNET_LENGTH - PACKET_ICMP_LENGTH;
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