PHP版本 D-Link 动态域名客户端

<?php  
/*  
* D-Link 动态域名客户端.主域名www.dlinkddns.com 和 www.dlinkddns.com.cn  
* 首先获取外网IP,若IP没有变化,则结束运行;否则更行域名的IP,若执行错误,则发送EMAIL.  
* 用到了 CURL 扩展  
* 2013.5.28  
*/
// 获取外网 IP  
$ipurl        = 'http://iframe.ip138.com/ic.asp';  
$ip           = get_onlineip($ipurl);  
//$ip = '14.134.204.99';  
$iplog        = dirname(__FILE__) . '\ip.txt';  
// 域名账号设定  
$domain       = 'dlinkddns.com.cn';  
$host         = 'lpszy';  
$user         = 'tom112';  
$pw           = 'PASSWORD';  
// 邮件账号设定  
$smtp = array(  
'url'      => 'smtp.sina.com',           //发件箱服务器  
'port'     => '25',   
'username' => 'safeboat@sina.com',       //发件箱账号  
'password' => 'PASSWORD',                 //发件箱密码  
'from'     => 'safeboat@sina.com',         
'to'       => '395636344@qq.com',        //接收信箱  
'subject'  => '请更新 '.$host.'.'.$domain.' 的IP',  
'body'     => $ip,  
);  
if(file_exists($iplog) == false) file_put_contents($iplog, '');  
$oldip = file_get_contents($iplog);  
if($oldip == $ip){  
echo "IP 没有变化";  
exit();  
}  
file_put_contents($iplog, $ip);  
$cookie_file = dirname(__FILE__) . "/cookie_" . md5(basename(__FILE__)) . ".txt";   
vlogin('http://www.'.$domain.'/login', 'username=' . $user . '&pw=' . $pw);  
$response_body = vlogin('http://www.'.$domain.'/host/'.$host.'.'.$domain, 'modify='.$host.'&host='.$host.'&domain='.$domain.'&ip='.$ip.'&commit=%E4%BF%9D+++%E5%AD%98');  
header("Content-type: text/html; charset=gb2312");  
if(stristr($response_body, 'updated')){  
@unlink($cookie_file);   
echo "域名IP已更新.";  
exit();  
}  
@unlink($cookie_file);   
echo "提交的账号、域名或IP错误,或者是服务器更新了参数等原因。\r\n";  
echo '<br>稍后将发送IP到你的邮箱,请手动更新<br><br> ';  
echo '一下是发邮件过程:<br>';  
echo '<pre>' . smtp($smtp) . '</pre>';  
//下面为函数部分  
function get_onlineip($ipurl){  
$ch = curl_init($ipurl);  
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);  
$a = curl_exec($ch);  
preg_match('/\[(.*)\]/', $a, $ip);  
return @$ip[1];  
}  
function vlogin($url, $data){  
$curl = curl_init();   
curl_setopt($curl, CURLOPT_URL, $url);   
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 0);   
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 1);   
curl_setopt($curl, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']);   
curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);   
curl_setopt($curl, CURLOPT_AUTOREFERER, 1);   
curl_setopt($curl, CURLOPT_POST, 1);   
curl_setopt($curl, CURLOPT_POSTFIELDS, @$data);  
curl_setopt($curl, CURLOPT_COOKIEJAR, $GLOBALS['cookie_file']);  
curl_setopt($curl, CURLOPT_COOKIEFILE, $GLOBALS['cookie_file']);  
curl_setopt($curl, CURLOPT_TIMEOUT, 30);   
curl_setopt($curl, CURLOPT_HEADER, 0);  
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);   
$tmpInfo = curl_exec($curl);  
if (curl_errno($curl)){  
echo 'Errno' . curl_error($curl);  
}  
curl_close($curl);  
return $tmpInfo;  
}  
function smtp($smtp){  
$CRLF = "\r\n";  
$header = array(  
'Return-path' => '<' . $smtp['from'] . '>',  
'Date' => date('r'),  
'From' => '<' . $smtp['from'] . '>',  
'MIME-Version' => '1.0',  
'Subject' => trim($smtp['subject']),  
'To' => $smtp['to'],  
'Content-Type' => 'text/plain; charset=gb2312',  
'Content-Transfer-Encoding' => 'base64'
);  
$ret = '';  
foreach($header as $k => $v){  
$ret .= $k . ': ' . $v . "\n";  
}     
$data = $ret . $CRLF . chunk_split(base64_encode($smtp['body']));  
$curl = curl_init();  
curl_setopt($curl, CURLOPT_URL, $smtp['url']);  
curl_setopt($curl, CURLOPT_PORT, $smtp['port']);  
curl_setopt($curl, CURLOPT_TIMEOUT, 10);  
$content = "EHLO " . $smtp["url"] . $CRLF;  
$content .= "AUTH LOGIN" . $CRLF . base64_encode($smtp["username"]) . $CRLF . base64_encode($smtp["password"]) . $CRLF;   
$content .= "MAIL FROM:" . $smtp["from"] . $CRLF;  
$content .= "RCPT TO:" . $smtp["to"] . $CRLF;  
$content .= "DATA" . $CRLF . $data . $CRLF . "." . $CRLF;  
$content .= "QUIT" . $CRLF;  
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);  
curl_setopt($curl, CURLOPT_CUSTOMREQUEST, $content);  
curl_exec($curl);   
curl_close($curl);  
return $content;  
}  
?>

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