F-Scrack.py 文件源码

def scan_port(host,port):
    try:
        sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        sock.connect((str(host),int(port)))
        log('portscan',host,port)
    except Exception,e:
        return False
    try:
        data = sock.recv(512)
        if len(data) > 2:
            return data
        else:
            sock.send('a\n\n')
            data = sock.recv(512)
            sock.close()
            if len(data) > 2:
                return data
            else:
                return 'NULL'
    except Exception,e:
        sock.close()
        return 'NULL'