insert_ntp.php
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<?php
//include('../cfg/file_name.php');
$open_ntp = '/etc/ntp.conf';
$ntp_title = array('# pool: <http://www.pool.ntp.org/join.html>','#end');
shell_exec("sudo chmod 777 ".$open_ntp);
$nn = 0;
$i = 0;
$handle = @fopen($open_ntp,"r");
//讀檔案
while(($data = fgetcsv($handle,1000,"\n")) != false){
foreach($data as $key => $value){
$aa[$i] = $value;
$i++;
}
}
//計算出server之前和之後的key抓出來
foreach($aa as $num => $num_value){
if(in_array($num_value,$ntp_title)){
$max_min[] = $num;
}
}
foreach($aa as $key => $value){
if($key==($max_min[0]+2)){
$update[$nn][] = $value."\n"."server ".$_POST['server']." minpoll 3 maxpoll 10 iburst prefer\n fudge ".$_POST['server']." refid GPS stratum 1\n";
}else{
$update[$nn][] = $value."\n";
}
$nn++;
}
$fp = fopen($open_ntp,'w') or die("Unable to open file!");
foreach($update as $key => $value){
foreach($value as $k => $v){
fwrite($fp, $v);
}
}
fclose($fp);
echo "1";
?>