scanhost1.h

访问IP主机

#pragma pack(4)

#pragma comment (lib,"Ws2_32.lib")
#define WIN32_LEAN_AND_MEAN
#include <winsock2.h>
#include <stdio.h>
#include <stdlib.h>
#include <iostream.h>
#include <stdio.h>
#include <sys/timeb.h>
#include <time.h>


typedef struct iphdr
{
	unsigned int headlen:4;
	unsigned int version:4;
	unsigned char tos;
	unsigned short totallen;
	unsigned short id;
	unsigned short falg;
	unsigned char ttl;
	unsigned char prot;
	unsigned short checksum;

	unsigned int sourceIP;
	unsigned int destIP;

}IPHeader;

typedef struct icmphdr
{
	BYTE type;
	BYTE code;
	USHORT checksun;
	HSHORT id;
	HSHORT seq;

}IcmpHeader;

#define ICMP_RCHO 8
#define ICMP_RCHO_REPLY 0
#define	ICMP_MIN 8
#define STATUS_FAILED 0xFFFF
#define	DEF_PACKET_SIZE 32
#define MAX_PACKET 1024

#define MAX_PING_PACKET_SIZE (MAX_PACKET+sizeof(IpHeader))

void fill_icmp_data(char *,int);
USHORT checksum(USHORT *,int);
void decode_resp(char *,int,struct sockaddr_in *);

DWORD WINAPI FindIP(LPVOID pIPAddrTemp);