Go语言实现的简单网络端口扫描代码
发布时间:2020-12-16 09:39:09 所属栏目:大数据 来源:网络整理
导读:今天PHP站长网 52php.cn把收集自互联网的代码分享给大家,仅供参考。 package main import ( "net" "fmt" "os" "runtime" "time" "strconv") func loop(startport,endport int,inport chan int) { for i := startport; i
以下代码由PHP站长网 52php.cn收集自互联网 现在PHP站长网小编把它分享给大家,仅供参考 package main import ( "net" "fmt" "os" "runtime" "time" "strconv" ) func loop(startport,endport int,inport chan int) { for i := startport; i <= endport; i++{ inport <- i } } func scanner(inport,outport,out chan int,ip net.IP,endport int){ for{ in := <- inport //fmt.Println(in) tcpaddr := &net.TCPAddr{ip,in} conn,err := net.DialTCP("tcp",nil,tcpaddr) if err != nil { outport <- 0 }else{ outport <- in } conn.Close() if in == endport{ out <- in } } } func main() { starttime := time.Now().Unix() runtime.GOMAXPROCS(4) inport := make(chan int) outport := make(chan int) out := make(chan int) collect := []int{} if len(os.Args) != 4 { fmt.Println("Usage: scanner.exe IP startport endport") fmt.Println("Endport must be larger than startport") os.Exit(0) } ip := net.ParseIP(os.Args[1]) if(os.Args[3] < os.Args[2]) { fmt.Println("Usage: scanner IP startport endport") fmt.Println("Endport must be larger than startport") os.Exit(0) } startport,_:= strconv.Atoi(os.Args[2]) endport,_ := strconv.Atoi(os.Args[3]) go loop(startport,endport,inport) for{ select { case <-out: fmt.Println(collect) endtime := time.Now().Unix() fmt.Println("The scan process has spent ",endtime-starttime,"second") os.Exit(0) default: go scanner(inport,out,ip,endport) port := <- outport if port != 0{ collect = append(collect,port) } } } } 以上内容由PHP站长网【52php.cn】收集整理供大家参考研究 如果以上内容对您有帮助,欢迎收藏、点赞、推荐、分享。 (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |