From afee192d2a77afa1c11d25156d0a44df94e19aed Mon Sep 17 00:00:00 2001
From: A. Täffner <darkalex@firesplash.de>
Date: Sat, 23 Jan 2016 07:30:37 -0500
Subject: [PATCH] fixed the cronjob and noticed a bug in ISPC but not able to report as FlySpray is offline

---
 server/lib/classes/system.inc.php |  179 +++++++++++++++++++++++++++++++++++++++++++++++++++++------
 1 files changed, 159 insertions(+), 20 deletions(-)

diff --git a/server/lib/classes/system.inc.php b/server/lib/classes/system.inc.php
index 65fa54b..739e822 100644
--- a/server/lib/classes/system.inc.php
+++ b/server/lib/classes/system.inc.php
@@ -34,7 +34,9 @@
 	var $server_id;
 	var $server_conf;
 	var $data;
-
+	var $min_uid = 500;
+	var $min_gid = 500;
+	
 	/**
 	 * Construct for this class
 	 *
@@ -917,13 +919,11 @@
 	 * This function checks the free space for a given directory
 	 * @param path check path
 	 * @param limit min. free space in bytes
-	 * @return bool - true when the the free space is above limit ohterwise false
+	 * @return bool - true when the the free space is above limit ohterwise false, opt. available disk-space
 	*/
 
-	function check_free_space($path, $limit = 0) {
+	function check_free_space($path, $limit = 0, &$free_space = 0) {
 		$path = rtrim($path, '/');
-		$parts = explode('/', $path);
-        $out = '';
 
 		/**
 		* Make sure that we have only existing directories in the path.
@@ -931,19 +931,16 @@
 		* Given a file name instead of a directory, the behaviour of the disk_free_space
 		function is unspecified and may differ between operating systems and PHP versions.
         */
-		for ($i = 1; $i < count($parts); $i++) {
-			if ( !is_file($out.'/'.$parts[$i]) && is_dir($out.'/'.$parts[$i]) ) {
-				$out .= '/'.$parts[$i];
-			}
+		while(!is_dir($path) && $path != '/') $path = realpath(dirname($path));
+
+		$free_space = disk_free_space($out);
+
+		if (!$free_space) {
+			$free_space = 0;
+			return false;
 		}
 
-		unset($parts);
-
-		$res = disk_free_space($out);
-
-		if (!$res) return false;
-
-		if ($res >= $limit) {
+		if ($free_space >= $limit) {
 			return true;
 		} else {
 			return false;
@@ -1804,16 +1801,71 @@
 		return $return_var == 0 ? true : false;
 	}
 
+	function mount_backup_dir($backup_dir, $mount_cmd = '/usr/local/ispconfig/server/scripts/backup_dir_mount.sh'){
+		global $app, $conf;
+
+		$mounted = true;
+		if ( 	is_file($mount_cmd) &&
+				is_executable($mount_cmd) &&
+				fileowner($mount_cmd) === 0
+		) {
+			if (!$this->is_mounted($backup_dir)){
+				exec($mount_cmd);
+				sleep(1);
+				if (!$this->is_mounted($backup_dir)) $mounted = false;
+			}
+		} else $mounted = false;
+		if (!$mounted) {
+			//* send email to admin that backup directory could not be mounted
+			$global_config = $app->getconf->get_global_config('mail');
+			if($global_config['admin_mail'] != ''){
+				$subject = 'Backup directory '.$backup_dir.' could not be mounted';
+				$message = "Backup directory ".$backup_dir." could not be mounted.\n\nThe command\n\n".$mount_cmd."\n\nfailed.";
+				mail($global_config['admin_mail'], $subject, $message);
+			}
+		}
+
+		return $mounted;
+	}
+
+	function umount_backup_dir($backup_dir, $mount_cmd = '/usr/local/ispconfig/server/scripts/backup_dir_umount.sh'){
+		global $app, $conf;
+
+		if ( 	is_file($mount_cmd) &&
+				is_executable($mount_cmd) &&
+				fileowner($mount_cmd) === 0
+		) {
+			if ($this->is_mounted($backup_dir)){
+				exec($mount_cmd);
+				sleep(1);
+			}
+		}
+
+        $unmounted = $this->is_mounted($backup_dir) == 0 ? true : false;
+		if(!$unmounted) {
+			//* send email to admin that backup directory could not be unmounted
+			$global_config = $app->getconf->get_global_config('mail');
+			if($global_config['admin_mail'] != ''){
+				$subject = 'Backup directory '.$backup_dir.' could not be unmounted';
+				$message = "Backup directory ".$backup_dir." could not be unmounted.\n\nThe command\n\n".$mount_cmd."\n\nfailed.";
+				mail($global_config['admin_mail'], $subject, $message);
+			}
+		}
+
+		return $unmounted;
+
+	}
+
 	function getinitcommand($servicename, $action, $init_script_directory = ''){
 		global $conf;
-		// systemd
-		if(is_executable('/bin/systemd')){
-			return 'systemctl '.$action.' '.$servicename.'.service';
-		}
 		// upstart
 		if(is_executable('/sbin/initctl')){
 			exec('/sbin/initctl version 2>/dev/null | /bin/grep -q upstart', $retval['output'], $retval['retval']);
 			if(intval($retval['retval']) == 0) return 'service '.$servicename.' '.$action;
+		}
+		// systemd
+		if(is_executable('/bin/systemd') || is_executable('/usr/bin/systemctl')){
+			return 'systemctl '.$action.' '.$servicename.'.service';
 		}
 		// sysvinit
 		if($init_script_directory == '') $init_script_directory = $conf['init_scripts'];
@@ -1846,6 +1898,93 @@
 		}
 	}
 
+	function getapachemodules() {
+		global $app;
+		
+		$cmd = '';
+		if($this->is_installed('apache2ctl')) $cmd = 'apache2ctl -t -D DUMP_MODULES';
+		elseif($this->is_installed('apachectl')) $cmd = 'apachectl -t -D DUMP_MODULES';
+		else {
+			$app->log("Could not check apache modules, apachectl not found.", LOGLEVEL_WARN);
+			return array();
+		}
+		
+		exec($cmd . ' 2>/dev/null', $output, $return_var);
+		if($return_var != 0 || !$output[0]) {
+			$app->log("Could not check apache modules, apachectl did not return any data.", LOGLEVEL_WARN);
+			return array();
+		}
+		
+		$modules = array();
+		for($i = 0; $i < count($output); $i++) {
+			if(preg_match('/^\s*(\w+)\s+\((shared|static)\)\s*$/', $output[$i], $matches)) {
+				$modules[] = $matches[1];
+			}
+		}
+		
+		return $modules;
+	}
+	
+	//* ISPConfig mail function
+	public function mail($to, $subject, $text, $from, $filepath = '', $filetype = 'application/pdf', $filename = '', $cc = '', $bcc = '', $from_name = '') {
+		global $app, $conf;
+
+		if($conf['demo_mode'] == true) $app->error("Mail sending disabled in demo mode.");
+
+		$app->uses('getconf,ispcmail');
+		$mail_config = $app->getconf->get_global_config('mail');
+		if($mail_config['smtp_enabled'] == 'y') {
+			$mail_config['use_smtp'] = true;
+			$app->ispcmail->setOptions($mail_config);
+		}
+		$app->ispcmail->setSender($from, $from_name);
+		$app->ispcmail->setSubject($subject);
+		$app->ispcmail->setMailText($text);
+
+		if($filepath != '') {
+			if(!file_exists($filepath)) $app->error("Mail attachement does not exist ".$filepath);
+			$app->ispcmail->readAttachFile($filepath);
+		}
+
+		if($cc != '') $app->ispcmail->setHeader('Cc', $cc);
+		if($bcc != '') $app->ispcmail->setHeader('Bcc', $bcc);
+
+		$app->ispcmail->send($to);
+		$app->ispcmail->finish();
+		
+		return true;
+	}
+	
+	public function is_allowed_user($username, $check_id = true, $restrict_names = false) {
+		global $app;
+		
+		$name_blacklist = array('root','ispconfig','vmail','getmail');
+		if(in_array($username,$name_blacklist)) return false;
+		
+		if(preg_match('/^[a-zA-Z0-9\.\-_]{1,32}$/', $username) == false) return false;
+		
+		if($check_id && intval($this->getuid($username)) < $this->min_uid) return false;
+		
+		if($restrict_names == true && preg_match('/^web\d+$/', $username) == false) return false;
+		
+		return true;
+	}
+	
+	public function is_allowed_group($groupname, $check_id = true, $restrict_names = false) {
+		global $app;
+		
+		$name_blacklist = array('root','ispconfig','vmail','getmail');
+		if(in_array($groupname,$name_blacklist)) return false;
+		
+		if(preg_match('/^[a-zA-Z0-9\.\-_]{1,32}$/', $groupname) == false) return false;
+		
+		if($check_id && intval($this->getgid($groupname)) < $this->min_gid) return false;
+		
+		if($restrict_names == true && preg_match('/^client\d+$/', $groupname) == false) return false;
+		
+		return true;
+	}
+	
 }
 
 ?>

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