Yasso更新大改动，更新扫描方式，去除不常用功能，增加指纹和协议识别，修补bug等

pkg/netspy/spy/spy.go

@@ -0,0 +1,48 @@
+package spy
+
+import (
+	"Yasso/core/logger"
+	"Yasso/pkg/netspy/icmp"
+	"fmt"
+	"sync"
+	"sync/atomic"
+)
+
+func GoSpy(ips [][]string, check func(ip string) bool, thread int) []string { // 共有
+	var online []string
+	var wg sync.WaitGroup
+	var ipc = make(chan []string, 10000)
+	var onc = make(chan string, 1000)
+	var count int32
+	if ips == nil {
+		return online
+	}
+	go func() {
+		for _, ipg := range ips {
+			ipc <- ipg
+		}
+		defer close(ipc)
+	}()
+	for i := 0; i < thread; i++ {
+		wg.Add(1)
+		go func(ipc chan []string) {
+			for ipg := range ipc {
+				for _, ip := range ipg {
+					if icmp.Check(ip) {
+						online = append(online, ip) // 此时已经可以证明有一个网段存活了
+						logger.Info(fmt.Sprintf("%s/24 network segment to survive", ip))
+						onc <- fmt.Sprintf("%s/24\n", ip)
+						break // 存在一个主机则证明存活
+					} else {
+						// 不存活
+						continue
+					}
+				}
+				atomic.AddInt32(&count, int32(len(ipg)))
+			}
+			defer wg.Done()
+		}(ipc)
+	}
+	wg.Wait()
+	return online
+}