#define?RCVALL_ON?1
#define?MAX_ADDR_LEN?16?//點分十進制地址的最大長度
#define?MAX_PROTO_TEXT_LEN?16?//子協議名稱（如“TCP“）最大長度
#define?WINSOCK_VERSION?MAKEWORD（2?2）
#pragma?comment（lib?“Ws2_32.lib“）
#include?
#include?
#include?“mstcpip.h“
#include??
typedef?struct?iphdr??????????//定義IP首部
{
????unsigned?char?h_lenver;?//4位首部長度+4位IP版本號
????unsigned?char?tos;?//8位服務類型TOS
????unsigned?short?total_len;?//16位總長度（字節）
????unsigned?short?ident;?//16位標識
????unsigned?short?frag_and_flags;?//3位標志位
????unsigned?char?ttl;?//8位生存時間?TTL
????unsigned?char?proto;?//8位協議?（TCP?UDP?或其他）
????unsigned?short?checksum;?//16位IP首部校驗和
????unsigned?int?sourceIP;?//32位源IP地址
????unsigned?int?destIP;?//32位目的IP地址
}IPHeader;
typedef?struct?_tcphdr????//定義TCP首部
{
?USHORT?th_sport;?//16位源端口
?USHORT?th_dport;?//16位目的端口
?unsigned?int??th_seq;?//32位序列號
?unsigned?int??th_ack;?//32位確認號
?unsigned?char?th_lenres;?//一個字節表示8位4位數據偏移/6位保留字/6位特殊字
?unsigned?char?th_flag;?//6位標志位
?USHORT?th_win;?//16位窗口大小
?USHORT?th_sum;?//16位校驗和
?USHORT?th_urp;?//16位緊急數據偏移量
}TCP_HEADER;
typedef?struct?_udphdr?//定義UDP首部
{
????unsigned?short?uh_sport;?//16位源端口
????unsigned?short?uh_dport;?//16位目的端口
????unsigned?short?uh_len;?//16位長度
????unsigned?short?uh_sum;?//16位校驗和
}UDP_HEADER;
typedef?struct?_icmphdr???//定義ICMP首部
{
?BYTE???i_type;????//8位類型
?BYTE???i_code;????//8位代碼
?USHORT?i_cksum;???//16位校驗和?
?USHORT?i_id;????//識別號（一般用進程號作為識別號）
?USHORT?i_seq;????//報文序列號?
?ULONG??timestamp;???//時間戳
}ICMP_HEADER;

int??iTTLiLENiBYTES;
char?szSourceIP[MAX_ADDR_LEN]?szDestIP[MAX_ADDR_LEN];//裝源地址目的地址，長度為16位
int??iSourcePortiDestPort;
int??fflag=0;//file?flag
#define?PACKAGE_SIZE?sizeof（IPHeader）+1000//數據內容的大小
void?HandleError（char?*func）;
//functions
int?DecodeTcpPack（char?*?intFILE?*）;?//TCP解包函數
int?DecodeUdpPack（char?*?intFILE?*）;?//UDP解包函數
int?DecodeIcmpPack（char?*?intFILE?*）;?//ICMP解包函數
//MAIN
int?main（int?argc?char?*argv[]）
{
?sockaddr_in?saSourcesaDest;
?WSAData?wsaData;
?char?buf[PACKAGE_SIZE];
????WSAStartup（WINSOCK_VERSION?&wsaData）;//對WinSock?DLL進行初始化
????SOCKET?sock?=?socket（AF_INET?SOCK_RAW?IPPROTO_IP）;
????if（sock?==?SOCKET_ERROR）
????{
????????HandleError（“socket“）;
????????WSACleanup（）;//終止DLL使用
????????return?-1;
????}
????//獲取本機IP地址
????struct?sockaddr_in?addr;
????memset（&addr?0?sizeof（addr））;
????//addr.sin_addr.S_un.S_addr?=?inet_addr（“192.168.1.101“）;
char?name[256];
?PHOSTENT?hostinfo;
?if（?gethostname?（?name?sizeof（name））?==?0）
?{
??if（（hostinfo?=?gethostbyname（name））?!=?NULL）
??{
???memcpy（&（addr.sin_addr.S_un.S_addr）??（struct?in_addr?*）*hostinfo->h_addr_list??sizeof（（struct?in_addr?*）*hostinfo->h_addr_list?））;
??}
?}
????addr.sin_family?=?AF_INET;
????if（bind（sock?（struct?sockaddr*）&addr?sizeof（addr））?==?SOCKET_ERROR）//bind
????{
????????HandleError（“bind“）;
????}
?//設置SOCK_RAW為SIO_RCVALL，以便接收所有的IP包
????int?on?=?RCVALL_ON;//1
????DWORD?num;
	//控制一個套接口的模式。
	////將進行的操作的控制代碼

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????8406??2009-12-25?15:12??jiebao2\Cpp1.cpp

?????文件???????3443??2009-12-21?14:43??jiebao2\Cpp1.dsp

?????文件????????514??2009-12-15?13:53??jiebao2\Cpp1.dsw

?????文件????9522176??2009-12-25?15:14??jiebao2\Cpp1.ncb

?????文件??????53760??2009-12-21?14:44??jiebao2\Cpp1.opt

?????文件????????868??2009-12-21?14:43??jiebao2\Cpp1.plg

?????文件????????872??2009-12-25?14:39??jiebao2\Cpp1.sln

????..A..H.?????16896??2009-12-25?15:14??jiebao2\Cpp1.suo

?????文件???????4863??2009-12-25?14:39??jiebao2\Cpp1.vcproj

?????文件???????1409??2009-12-21?13:52??jiebao2\Cpp1.vcproj.lys-PC.lys.user

?????文件??????11572??2009-12-25?15:12??jiebao2\Debug\BuildLog.htm

?????文件????3099648??2009-12-25?15:12??jiebao2\Debug\Cpp1.bsc

?????文件???????1427??2009-12-25?15:14??jiebao2\Cpp1.vcproj.WWW-272012DC625.Administrator.user

?????文件?????483328??2009-12-25?15:12??jiebao2\Debug\Cpp1.exe

?????文件????????146??2009-12-22?14:18??jiebao2\Debug\Cpp1.exe.embed.manifest

?????文件????????212??2009-12-22?14:18??jiebao2\Debug\Cpp1.exe.embed.manifest.res

?????文件????????145??2009-12-25?15:12??jiebao2\Debug\Cpp1.exe.intermediate.manifest

?????文件????1079408??2009-12-25?15:12??jiebao2\Debug\Cpp1.ilk

?????文件??????33578??2009-12-25?15:12??jiebao2\Debug\Cpp1.obj

?????文件??????????0??2009-12-25?15:12??jiebao2\Debug\Cpp1.sbr

?????文件?????????67??2009-12-25?15:12??jiebao2\Debug\mt.dep

?????文件?????388096??2009-12-25?15:12??jiebao2\Debug\vc80.idb

?????文件?????102400??2009-12-25?15:12??jiebao2\Debug\vc80.pdb

?????文件??????58059??2009-12-25?14:46??jiebao2\log.txt

?????目錄??????????0??2009-12-25?15:12??jiebao2\Debug

?????目錄??????????0??2009-12-25?15:12??jiebao2

?????文件????2001920??2009-12-25?15:12??jiebao2\Debug\Cpp1.pdb

-----------?---------??----------?-----??----

?????????????16873213????????????????????27



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