/**
* This file is part of the Froxlor project.
* Copyright (c) 2011- the Froxlor Team (see authors).
*
* For the full copyright and license information, please view the COPYING
* file that was distributed with this source code. You can also view the
* COPYING file online at http://files.froxlor.org/misc/COPYING.txt
*
* @copyright (c) the authors
* @author Froxlor team <*****@*****.**> (2011-)
* @license GPLv2 http://files.froxlor.org/misc/COPYING.txt
* @package Functions
*
*/
function getFilesystemQuota()
{
// enabled at all?
if (Settings::Get('system.diskquota_enabled')) {
// set linux defaults
$repquota_params = "-np";
//$quota_line_regex = "/^#([0-9]+)\s*[+-]{2}\s*(\d+)\s*(\d+)\s*(\d+)\s*(\d+)\s*(\d+)\s*(\d+)\s*(\d+)\s*(\d+)/i";
$quota_line_regex = "/^#([0-9]+)\\s+[+-]{2}\\s+(\\d+)\\s+(\\d+)\\s+(\\d+)\\s+(\\d+)\\s+(\\d+)\\s+(\\d+)\\s+(\\d+)\\s+(\\d+)/i";
// check for freebsd - which needs other values
if (isFreeBSD()) {
$repquota_params = "-nu";
$quota_line_regex = "/^([0-9]+)\\s+[+-]{2}\\s+(\\d+)\\s+(\\d+)\\s+(\\d+)\\s+(\\S+)\\s+(\\d+)\\s+(\\d+)\\s+(\\d+)\\s+(\\S+)/i";
}
// Fetch all quota in the desired partition
exec(Settings::Get('system.diskquota_repquota_path') . " " . $repquota_params . " " . escapeshellarg(Settings::Get('system.diskquota_customer_partition')), $repquota);
$usedquota = array();
foreach ($repquota as $tmpquota) {
// Let's see if the line matches a quota - line
if (preg_match($quota_line_regex, $tmpquota, $matches)) {
// It matches - put it into an array with userid as key (for easy lookup later)
$usedquota[$matches[1]] = array('block' => array('used' => $matches[2], 'soft' => $matches[3], 'hard' => $matches[4], 'grace' => isFreeBSD() ? '0' : $matches[5]), 'file' => array('used' => $matches[6], 'soft' => $matches[7], 'hard' => $matches[8], 'grace' => isFreeBSD() ? '0' : $matches[9]));
}
}
return $usedquota;
}
return false;
}
/**
* internal function to check whether
* to use chattr (Linux) or chflags (FreeBSD)
*
* @param boolean $remove whether to use +i|schg (false) or -i|noschg (true)
*
* @return string functionname + parameter (not the file)
*/
function _getImmutableFunction($remove = false)
{
if (isFreeBSD()) {
// FreeBSD style
return 'chflags ' . ($remove === true ? 'noschg ' : 'schg ');
} else {
// Linux style
return 'chattr ' . ($remove === true ? '-i ' : '+i ');
}
}
function getInterfaceSentBytes($interface)
{
if (isLinux()) {
$filepath = '/sys/class/net/%s/statistics/tx_bytes';
$output = file_get_contents(sprintf($filepath, $interface));
return $output;
}
if (isFreeBSD() || isOSX()) {
$command = "%s -ibn| grep %s | grep Link | awk '{print \$10}'";
exec(sprintf($command, PATH_NETSTAT, $interface), $output);
return array_shift($output);
}
throw new Exception('Unable to guess OS');
}
/**
* 1st: check for task of generation
* 2nd: if task found, generate cron.d-file
* 3rd: maybe restart cron?
*/
function checkCrondConfigurationFile()
{
// check for task
$result_tasks_stmt = Database::query("\n\t\t\tSELECT * FROM `" . TABLE_PANEL_TASKS . "` WHERE `type` = '99'\n\t\t\t");
$num_results = Database::num_rows();
// is there a task for re-generating the cron.d-file?
if ($num_results > 0) {
// get all crons and their intervals
if (isFreeBSD()) {
// FreeBSD does not need a header as we are writing directly to the crontab
$cronfile = "\n";
} else {
$cronfile = "# automatically generated cron-configuration by froxlor\n";
$cronfile .= "# do not manually edit this file as it will be re-generated periodically.\n";
$cronfile .= "PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin\n#\n";
}
// get all the crons
$result_stmt = Database::query("\n\t\t\t\tSELECT * FROM `" . TABLE_PANEL_CRONRUNS . "` WHERE `isactive` = '1'\n\t\t\t\t");
$hour_delay = 0;
$day_delay = 5;
$month_delay = 7;
while ($row_cronentry = $result_stmt->fetch(PDO::FETCH_ASSOC)) {
// create cron.d-entry
if (preg_match("/(\\d+) (MINUTE|HOUR|DAY|WEEK|MONTH)/", $row_cronentry['interval'], $matches)) {
if ($matches[1] == 1) {
$minvalue = "*";
} else {
$minvalue = "*/" . $matches[1];
}
switch ($matches[2]) {
case "MINUTE":
$cronfile .= $minvalue . " * * * * ";
break;
case "HOUR":
$cronfile .= $hour_delay . " " . $minvalue . " * * * ";
$hour_delay += 3;
break;
case "DAY":
if ($row_cronentry['cronfile'] == 'traffic') {
// traffic at exactly 0:00 o'clock
$cronfile .= "0 0 " . $minvalue . " * * ";
} else {
$cronfile .= $day_delay . " 0 " . $minvalue . " * * ";
$day_delay += 5;
}
break;
case "MONTH":
$cronfile .= $month_delay . " 0 1 " . $minvalue . " * ";
$month_delay += 7;
break;
case "WEEK":
$cronfile .= $day_delay . " 0 " . $matches[1] * 7 . " * * ";
$day_delay += 5;
break;
}
// create entry-line
$binpath = Settings::Get("system.croncmdline");
// fallback as it is important
if ($binpath === null) {
$binpath = "/usr/bin/nice -n 5 /usr/bin/php5 -q";
}
$cronfile .= "root " . $binpath . " " . FROXLOR_INSTALL_DIR . "/scripts/froxlor_master_cronjob.php --" . $row_cronentry['cronfile'] . " 1> /dev/null\n";
}
}
if (isFreeBSD()) {
// FreeBSD handles the cron-stuff in another way. We need to directly
// write to the crontab file as there is not cron.d/froxlor file
// (settings for system.cronconfig should be set correctly of course)
$crontab = file_get_contents(Settings::Get("system.cronconfig"));
if ($crontab === false) {
die("Oh snap, we cannot read the crontab file. This should not happen.\nPlease check the path and permissions, the cron will keep trying if you don't stop the cron-service.\n\n");
}
// now parse out / replace our entries
$crontablines = explode("\n", $crontab);
$newcrontab = "";
foreach ($crontablines as $ctl) {
$ctl = trim($ctl);
if (!empty($ctl) && !preg_match("/(.*)froxlor_master_cronjob\\.php(.*)/", $ctl)) {
$newcrontab .= $ctl . "\n";
}
}
// re-assemble old-content + new froxlor-content
$newcrontab .= $cronfile;
// now continue with writing the file
$cronfile = $newcrontab;
}
// write the file
if (file_put_contents(Settings::Get("system.cronconfig"), $cronfile) === false) {
// oh snap cannot create new crond-file
die("Oh snap, we cannot create the cron-file. This should not happen.\nPlease check the path and permissions, the cron will keep trying if you don't stop the cron-service.\n\n");
}
// correct permissions
chmod(Settings::Get("system.cronconfig"), 0640);
// remove all re-generation tasks
Database::query("DELETE FROM `" . TABLE_PANEL_TASKS . "` WHERE `type` = '99'");
// run reload command
safe_exec(escapeshellcmd(Settings::Get('system.crondreload')));
}
return true;
}
// Select all customers Froxlor knows about
$result_stmt = Database::query("SELECT `guid`, `loginname`, `diskspace` FROM `" . TABLE_PANEL_CUSTOMERS . "`;");
while ($row = $result_stmt->fetch(PDO::FETCH_ASSOC)) {
// We do not want to set a quota for root by accident
if ($row['guid'] != 0) {
// The user has no quota in Froxlor, but on the filesystem
if (($row['diskspace'] == 0 || $row['diskspace'] == -1024) && $usedquota[$row['guid']]['block']['hard'] != 0) {
$cronlog->logAction(CRON_ACTION, LOG_NOTICE, "Disabling quota for " . $row['loginname']);
if (isFreeBSD()) {
safe_exec(Settings::Get('system.diskquota_quotatool_path') . " -e " . escapeshellarg(Settings::Get('system.diskquota_customer_partition')) . ":0:0 " . $row['guid']);
} else {
safe_exec(Settings::Get('system.diskquota_quotatool_path') . " -u " . $row['guid'] . " -bl 0 -q 0 " . escapeshellarg(Settings::Get('system.diskquota_customer_partition')));
}
} elseif ($row['diskspace'] != $usedquota[$row['guid']]['block']['hard'] && $row['diskspace'] != -1024) {
$cronlog->logAction(CRON_ACTION, LOG_NOTICE, "Setting quota for " . $row['loginname'] . " from " . $usedquota[$row['guid']]['block']['hard'] . " to " . $row['diskspace']);
if (isFreeBSD()) {
safe_exec(Settings::Get('system.diskquota_quotatool_path') . " -e " . escapeshellarg(Settings::Get('system.diskquota_customer_partition')) . ":" . $row['diskspace'] . ":" . $row['diskspace'] . " " . $row['guid']);
} else {
safe_exec(Settings::Get('system.diskquota_quotatool_path') . " -u " . $row['guid'] . " -bl " . $row['diskspace'] . " -q " . $row['diskspace'] . " " . escapeshellarg(Settings::Get('system.diskquota_customer_partition')));
}
}
}
}
}
}
}
if ($num_results != 0) {
$where = array();
$where_data = array();
foreach ($resultIDs as $id) {
$where[] = "`id` = :id_" . (int) $id;