Python实现网段固定端口扫描

来源：互联网发布：unity3d 抗锯齿脚本编辑：程序博客网时间：2024/05/12 17:45

使用Python写的一个扫固定端口的小工具，接收参数：起始IP，终止IP，目标端口。并测试成功，于是在此记录下，大牛勿喷。

#coding=utf-8import socketimport timeimport sysdef portScanner(ip,port):    server = (ip,port)    sockfd = socket.socket(socket.AF_INET,socket.SOCK_STREAM)    sockfd.settimeout(0.1)    ret = sockfd.connect_ex(server)  #返回0则成功    if not ret:        sockfd.close()        print '%s:%s is opened...' % (ip,port)    else:        sockfd.close()        pass    return ''def ip2num(ip):    lp = [int(x) for x in ip.split('.')]    return lp[0] << 24 | lp[1] << 16 | lp[2] << 8 |lp[3]def num2ip(num):    ip = ['','','','']    ip[3] = (num & 0xff)    ip[2] = (num & 0xff00) >> 8    ip[1] = (num & 0xff0000) >> 16    ip[0] = (num & 0xff000000) >> 24    return '%s.%s.%s.%s' % (ip[0],ip[1],ip[2],ip[3])def iprange(ip1,ip2):    num1 = ip2num(ip1)    num2 = ip2num(ip2)    tmp = num2 - num1    if tmp < 0:        return None    else:        return num1,num2,tmpif __name__ == '__main__':    print 'start time : %s' % time.ctime(time.time())    if len(sys.argv) < 4:        print 'Usage:scanner01 startip endip port'        sys.exit()    res = ()    startip = sys.argv[1]    endip = sys.argv[2]    port = int(sys.argv[3])    res = iprange(startip,endip)    if not res:        print 'endip must be bigger than startone'        sys.exit()    elif res[2] == 0:        portScanner(startip,port)    else:        for x in xrange(int(res[2])+1):            startipnum = ip2num(startip)            startipnum = startipnum + x            portScanner(num2ip(startipnum),port)    print 'end time : %s' % time.ctime(time.time())

测某个网段的3389端口开放情况......结果如下：

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