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#include
#include
#include
#include
#include
#pragma comment(lib,"ws2_32.lib")

#define MAXThreadCount 100//设¸m³Ì¤j线µ{数
#define SumScanCount 65535//设¸m扫´yºÝ¤f总数
struct sockaddr_in server;
int ThreadCount=0;
int dwThrdParam = 1; //CreateThreadªº参数¡A´£¨ì«e­±¦n计ºâ

unsigned int resolve(char *name)
{
struct hostent *he;
unsigned int ip;

if((ip=inet_addr(name))==(-1))
{
if((he = gethostbyname(name))==0)
{
printf("ERROR: Don't find the %s .\n",name);
exit(0);
}
memcpy(&ip,he->h_addr,4);
}
return ip;
}

DWORD WINAPI Scan(LPVOID lpParam )
{
int mysock,code,port=(int)lpParam ;
mysock=socket(AF_INET,SOCK_STREAM,0);
if(mysock < 0) { printf("socket error!"); }

server.sin_port = htons(port);

if(connect(mysock,(struct sockaddr *) & server,sizeof(server))!=0)
{
code=GetLastError();
if(code==10061)printf("port %d allown open\n",port);
}
else
{
printf("port %d openning\n",port);
}
closesocket(mysock);
ThreadCount--;
return 0;
}
void thread(int port)
{
DWORD dwThreadId;
HANDLE hThread;
WSADATA ws;
if (WSAStartup( MAKEWORD(2,2), &ws )!=0)
{
printf(" [-] WSAStartup() error\n");
exit(0);
}

hThread = CreateThread(
NULL, // no security attributes
0, // use default stack size
Scan, // thread function
(LPVOID)port, // argument to thread function
0, // use default creation flags
&dwThreadId); // returns the thread identifier
if (hThread == NULL)
printf( "CreateThread failed." );
dwThrdParam++;
ThreadCount++;
Sleep(200); //©µ时¡A§_则CPU会¥Î满¡K¡K
CloseHandle(hThread);
}

void main(int argc, char* argv[])
{
if(argc!=2)
{
printf("\n- This program find port that firewall allow open -\n");
printf("- Only for test by lake2 - \n");
printf("Usage: %s IP\n",argv[0]);
exit(0);
}
server.sin_family = AF_INET;
server.sin_addr.s_addr = resolve( argv[1] );
printf("Starting and waiting..............\n");
while( dwThrdParam <= SumScanCount )
{
if( ThreadCount < MAXThreadCount ){ thread(dwThrdParam); }
}
while( ThreadCount!=0 ){ }
WSACleanup();
printf("Done!");
}

运¦æµ{§Ç¡A¶ñ¤Wip¥¦´N会¦Û动±´测©Ò¦³ºÝ¤f¡A¥Ñ¤_¨º¨Ç³Q过滤ªººÝ¤f¤j·§³£®t¤£¦h­nµ¥¤G¤Q¬í¡A³t«×¤ñ较ºC¡A¥i¥H¦Û¤v设个¶W时­È¥[§Ö³t«×¡F¥t¥~¤]¥i¥H­×§ï¤@¤U让¥Î户¦Û©w义扫´y­S围µ¥µ¥¡A现¦b¤£ºÞ¤F¡A¥Î±o°_´N¦æ¡C编译¦nªºµ{§Ç这¨½¥i¥H§ä¨ì¡Ghttp://lake2.512j.com/soft/PortScan.exe

µ{§Ç°µ¦n¤F当µM­n®³来¥Î°Õ¡A经过º©长ªº3¤p时¦hªº扫´y¤§¦Z¡A±o¨ì结ªG¡G¥Ø标¥DÉó_blank">¨¾¤õ墙¥u开©ñ80ºÝ¤f¡C当场晕¦º¡I­ü¡A¡§¸ôº©º©¨ä­×远¤¼¡A§^将¤W¤U¦Ó¨D¯Á¡¨¡K¡K





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