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index.php 代码
<?php
function ping2($host) {
$port = 80;
$buff = "123456789"; //测试字符串
// ipv6
//$socket = @socket_create(AF_INET6, SOCK_DGRAM, SOL_UDP);
// ipv4
$socket = @socket_create(AF_INET, SOCK_DGRAM, SOL_UDP);
//发送超时1秒
socket_set_option($socket, SOL_SOCKET, SO_RCVTIMEO, array("sec" => 1, "usec" => 0));
//接收超时1秒
socket_set_option($socket, SOL_SOCKET, SO_SNDTIMEO, array("sec" => 1, "usec" => 0));
if (!$socket) return false;
@socket_sendto($socket, $buff, strlen($buff), 0, $host, $port);
$read = array($socket);
$write = NULL;
$except = NULL;
if (@socket_select($read, $write, $except, 1) > 0) {
return true;
} else {
return false;
}
@socket_close($socket);
}
function ping($host) {
$icmp_socket = socket_create(AF_INET, SOCK_RAW, 1);
socket_set_block($icmp_socket);
socket_set_option($icmp_socket, SOL_SOCKET, SO_RCVTIMEO, array("sec" => 1, "usec" => 0));
/* connect to socket */
socket_connect($icmp_socket, $host, null);
/* 创建一个发送包*/
$request = "\x08\x00\x19\x2f\x00\x00\x00\x00\x70\x69\x6e\x67";
socket_send($icmp_socket, $request, strlen($request), 0);
if (@socket_read($icmp_socket, 255)) {
return true;
} else {
return false;
}
socket_close($icmp_socket);
}
$ip = $_GET['ip'];
if ($ip) {
$result = ping($ip);
if ($result) {
echo "success";
}
} else {
$base = $_GET['base'] ?: "192.168.1";
?>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<title>Ping</title>
<script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
</head>
<body>
<!--
url访问方式：
http://localhost/ping.php
http://localhost/ping.php?base=192.168.137
-->
<script type="text/javascript">
$(function () {
var num = 1;
var ticket = setInterval(function () {
if (num > 255) {
clearInterval(ticket);
return false;
}
var ip = '<?=$base?>.' + num;
$.get("/ping.php?ip=" + ip, function (data) {
console.log(data)
if (data === 'success') {
$("body").append(ip + "<br/>")
}
})
num++;
}, 200)
})
</script>
</body>
</html>
<?php } ?>
