Blame view
php/change_ntp.php
1.68 KB
cf76164e6
20190709
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<?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,"
")) != 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,'#end')){
$have_end[] = $num;
}
//判斷Ip內是否有結尾
$end = ($num_value != '#end') ? '0':'1';
//判斷Ip內是否有fudge
if(false !== ($rst =strpos($num_value,'fudge'))){
$end_num = $num;
}
if(substr($num_value,0,6) == 'server'){
$max_min[] = $num;
}
}
if($end_num == ""){
$total = count($max_min);
$key = $total-1;
$end_num = $max_min[$key];
}
$j=0;
for($j=0;$j<=$max_min['0']-1;$j++){
$update[$j][] = $aa[$j]."
";
}
foreach($_POST['server'] as $key => $value){
if($value != ""){
$update[$j][] = "server ".$value." minpoll 3 maxpoll 6 iburst prefer
";
//$update[$j+1][] = "fudge ".$value." refid GPS stratum 1
";
$j=$j+2;
}
}
if($end == 0){
$update[$j][] = "#end
";
$j++;
for($m=$end_num+2;$m<=count($aa);$m++){
$update[$j][] = $aa[$m]."
";;
$j++;
}
}else{
for($m=$have_end[0]+1;$m<=count($aa);$m++){
$update[$j][] = $aa[$m]."
";
$j++;
}
}
$fp = fopen($open_ntp,'w') or die("Unable to open file!");
foreach($update as $key => $value){
foreach($value as $k => $v){
fwrite($fp, $v);
}
}
fclose($fp);
shell_exec("sudo service ntp restart");
echo "1";
?>
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