[*]修复在linux系统下spy模块运行异常的问题~

lib/ping/ping.go

@@ -0,0 +1,45 @@
+package ping
+
+import (
+	"github.com/go-ping/ping"
+	"kscan/lib/slog"
+	"os/exec"
+	"runtime"
+	"strings"
+	"time"
+)
+
+var linuxInit = false
+
+func Check(ip string) bool {
+	p, err := ping.NewPinger(ip)
+	if err != nil {
+		slog.Debug(err.Error())
+		return false
+	}
+	if runtime.GOOS == "windows" {
+		p.SetPrivileged(true)
+	}
+	if runtime.GOOS == "linux" && linuxInit == false {
+		cmd := exec.Command("sysctl", "-n", "net.ipv4.ping_group_range")
+		buf, _ := cmd.Output() // 错误处理略
+		str := string(buf)
+		if strings.Contains(str, "2147483647") == false {
+			slog.Error("检测到当前操作系统为linux，Ping模块运行不正常，请执行下列命令后，再次打开此程序:\n",
+				"sudo sysctl -w net.ipv4.ping_group_range=\"0 2147483647\"",
+			)
+		}
+		linuxInit = true
+	}
+	p.Count = 2
+	p.Timeout = time.Second * 2
+	err = p.Run() // Blocks until finished.
+	if err != nil {
+		slog.Debug(err.Error())
+	}
+	s := p.Statistics()
+	if s.PacketsRecv > 0 {
+		return true
+	}
+	return false
+}