#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include“ackscan.h“
#include“function.h“

#define?PACKET_SIZE?1024
short?*gFlag;
int?gStartPort;

int?gCount?=?0;

static?void?recv_packet（void?*param）
{
	int?sockfd;
	int?len;
	unsigned?char?packet[PACKET_SIZE];
	struct?sockaddr_in?*sourceAddr;
	struct?tcphdr?*tcp;

	len?=?sizeof（struct?sockaddr）;
	sockfd?=?*（（int*）param）;
	tcp?=?（struct?tcphdr*）（packet+sizeof（struct?ip））;
	while（1）
	{
		if（recvfrom（sockfdpacketPACKET_SIZE0（void*）sourceAddr&len）<0）
		{
			perror（“error:can‘t?recve?any?packet\n“）;
			continue;
		}
		if（tcp->dest==htons（8086）&&tcp->rst）
		{
			//fprintf（stderr“Port:%d????status:Opened!\n“ntohs（tcp->source））;
			gFlag[ntohs（tcp->source）-gStartPort]?=?1;
			fflush（stdout）;
			gCount++;
		}
	}
}
int?ackscan（char?*destIPint?start_portint?end_port）
{
	int?sockfd;
	const?int?one?=?1;
	int?tid;
	int?scan_port;
	char?sourceIP[16];
	struct?sockaddr_in?dest;
	struct?iphdr?*ip;
	struct?tcphdr?*tcp;
	struct?PsdHead?psdHead;
	unsigned?char?netPacket[PACKET_SIZE];
	
	gCount?=?0;
	gStartPort?=?start_port;
	gFlag?=?（short*）malloc（end_port-start_port）;
	if（gFlag==NULL）
	{
		fprintf（stderr“error:failed?to?malloc?%d?Bytes\n“（end_port-start_port）*sizeof（short））;
		return?-1;
	}
	memset（gFlag0sizeof（gFlag））;

	memset（sourceIP0sizeof（sourceIP））;
	getLocalIP（sourceIP）;
	if（（sockfd=socket（AF_INETSOCK_RAWIPPROTO_TCP））<0）
	{
		perror（“error:failed?to?create?raw?socket!\n“）;
		return?-1;
	}
	if（setsockopt（sockfdIPPROTO_IPIP_HDRINCL&onesizeof（one））<0）
	{
		perror（“error:failed?to?setsockopt!\n“）;
		return?-1;
	}

	memset（netPacket0sizeof（netPacket））;

	ip?=?（struct?iphdr*）netPacket;
	ip->ihl?=?5;
	ip->version?=?4;
	ip->tos?=?0;
	ip->tot_len?=?sizeof（struct?ip）+sizeof（struct?tcphdr）;
	ip->id?=?htons（13579）;
	ip->frag_off?=?htons（16384）;
	ip->ttl?=?64;
	ip->protocol?=?IPPROTO_TCP;
	ip->check?=?0;
	ip->saddr?=?inet_addr（sourceIP）;
	ip->daddr?=?inet_addr（destIP）;

	tcp?=?（struct?tcphdr*）（netPacket+sizeof（struct?ip））;
	tcp->source?=?htons（8086）;
	tcp->dest?=?0;
	tcp->seq?=?htonl（1143111041）;
	tcp->ack_seq?=?0;
	tcp->doff?=?sizeof（struct?tcphdr）/4;
	tcp->fin?=?0;
	tcp->syn?=?0;
	tcp->rst?=?0;
	tcp->psh?=?0;
	tcp->ack?=?1;
	tcp->urg?=?0;
	tcp->window?=?htons（10052）;
	tcp->check?=?0;
	tcp->urg_ptr?=?0;


	if（pthread_create（（void*）&tidNULL（void*）recv_packet（void*）&sockfd）<0）
	{
		perror（“error:failed?to?create?thread!\n“）;
		return?-1;
	}

	dest.sin_family?=?AF_INET;
	dest.sin_addr.s_addr?=?inet_addr（destIP）;

	for（scan_port?=?start_port;scan_port<=end_port;scan_port++）
	{
		tcp->dest?=?htons（scan_port）;
		dest.sin_port?=?tcp->dest;
		
		psdHead.source

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2014-01-01?00:46??端口掃描代碼\
?????文件????????3922??2013-12-27?14:31??端口掃描代碼\ackscan.c
?????文件?????????109??2013-12-27?00:47??端口掃描代碼\ackscan.h
?????文件????????3452??2013-12-30?22:30??端口掃描代碼\ackscan.o
?????文件????????2044??2013-12-27?13:09??端口掃描代碼\connectscan.c
?????文件?????????120??2013-12-24?00:22??端口掃描代碼\connectscan.h
?????文件????????2308??2013-12-30?22:30??端口掃描代碼\connectscan.o
?????文件????????3583??2013-12-27?14:20??端口掃描代碼\finscan.c
?????文件?????????108??2013-12-27?13:13??端口掃描代碼\finscan.h
?????文件????????3248??2013-12-30?22:30??端口掃描代碼\finscan.o
?????文件????????1686??2013-12-27?13:37??端口掃描代碼\function.c
?????文件?????????497??2013-12-27?13:13??端口掃描代碼\function.h
?????文件????????1656??2013-12-30?22:30??端口掃描代碼\function.o
?????文件???????35749??2013-12-30?22:30??端口掃描代碼\main
?????文件????????5475??2013-12-27?14:36??端口掃描代碼\main.c
?????文件????????5380??2013-12-30?22:30??端口掃描代碼\main.o
?????文件?????????933??2013-12-27?13:40??端口掃描代碼\makefile
?????文件????????3709??2013-12-26?17:21??端口掃描代碼\nullscan.c
?????文件?????????116??2013-12-11?00:16??端口掃描代碼\nullscan.h
?????文件????????3252??2013-12-30?22:30??端口掃描代碼\nullscan.o
?????文件????????3413??2013-12-27?14:42??端口掃描代碼\osdetect.c
?????文件??????????85??2013-12-27?13:41??端口掃描代碼\osdetect.h
?????文件????????2612??2013-12-30?22:30??端口掃描代碼\osdetect.o
?????文件????????4798??2013-12-27?13:16??端口掃描代碼\synscan.c
?????文件?????????108??2013-12-03?19:34??端口掃描代碼\synscan.h
?????文件????????3856??2013-12-30?22:30??端口掃描代碼\synscan.o
?????文件????????2768??2013-12-24?01:21??端口掃描代碼\threadpool.c
?????文件?????????364??2013-12-21?17:36??端口掃描代碼\threadpool.h
?????文件????????2964??2013-12-30?22:30??端口掃描代碼\threadpool.o
?????文件????????3030??2013-12-26?23:12??端口掃描代碼\udpscan.c
?????文件?????????103??2013-12-26?23:12??端口掃描代碼\udpscan.h
............此處省略7個文件信息