Function ExecCommandPing

core/icmp.go:534–569

ExecCommandPing 执行系统Ping命令检测主机存活

(ip string)

// ExecCommandPing 执行系统Ping命令检测主机存活
func ExecCommandPing(ip string) bool {
	// 过滤黑名单字符（命令注入防护）
	for _, char := range pingForbiddenChars {
		if strings.Contains(ip, char) {
			return false
		}
	}

	var command *exec.Cmd
	// 根据操作系统选择不同的ping命令
	switch runtime.GOOS {
	case "windows":
		command = exec.Command("cmd", "/c", "ping -n 1 -w 1 "+ip+" && echo true || echo false")
	case "darwin":
		command = exec.Command("/bin/bash", "-c", "ping -c 1 -W 1 "+ip+" && echo true || echo false")
	default: // linux
		command = exec.Command("/bin/bash", "-c", "ping -c 1 -w 1 "+ip+" && echo true || echo false")
	}

	// 捕获命令输出
	var outinfo bytes.Buffer
	command.Stdout = &outinfo

	// 执行命令
	if err := command.Start(); err != nil {
		return false
	}

	if err := command.Wait(); err != nil {
		return false
	}

	// 分析输出结果
	output := outinfo.String()
	return strings.Contains(output, "true") && strings.Count(output, ip) > 2 && !containsPingError(output)
}

// makemsg 构造ICMP echo请求消息
func makemsg(host string) []byte {