// PortScanf.cpp : 定义控制台应用程序的入口点。
//
#define WIN32_LEAN_AND_MEAN
#include "stdafx.h"
#include <WinSock2.h>
#pragma comment(lib, "Ws2_32")
int scant(char *Ip, int StartPort, int EndPort)
{
WSADATA wsa;
SOCKET s;
struct sockaddr_in server;
int CurrPort; //当前端口
int ret;
WSAStartup(MAKEWORD(2, 2), &wsa); //使用winsock函数之前,必须用WSAStartup函数来装入并初始化动态连接库
server.sin_family = AF_INET; //指定地址格式,在winsock中只能使用AF_INET
server.sin_addr.s_addr = inet_addr(Ip); //指定被扫描的IP地址
for (CurrPort = StartPort; CurrPort <= EndPort; CurrPort++)
{
s = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
server.sin_port = htons(CurrPort); //指定被扫描IP地址的端口号
ret = connect(s, (struct sockaddr *)&server, sizeof(server)); //连接
if (0 == ret) //判断连接是否成功
{
printf("%s:%d Success O(∩_∩)O~~\n", Ip, CurrPort);
closesocket(s);
}
else {
printf("%s:%d Failed\n", Ip, CurrPort);
}
}
printf("Cost time:%f second\n", CostTime); //输出扫描过程中耗费的时间
WSACleanup(); //释放动态连接库并释放被创建的套接字
return 1;
}
int main()
{
scant("127.0.0.1", 75, 100);
return 0;
}
typedef struct _tagValue
{
int start;
int end;
}PortNums;
void _cdecl beginThreadFunc1(LPVOID lpParam) {
PortNums *pnInt = (PortNums*)lpParam;
scan("127.0.0.1", pnInt->start, pnInt->end);
}
int a()
{
PortNums m1;
m1.start = 70;
m1.end = 500;
PortNums m2;
m2.start = 501;
m2.end = 1000;
_beginthread(beginThreadFunc1, 0, &m1);
_beginthread(beginThreadFunc1, 0, &m2);
getchar();
return 0;
}