From 752ab3dc79da6fa2dbfd7bfba3c48a6b60c82fa5 Mon Sep 17 00:00:00 2001
From: Florian Schaal <florian@schaal-24.de>
Date: Mon, 22 Sep 2014 09:14:03 -0400
Subject: [PATCH] check always $_POST

---
 server/lib/classes/system.inc.php |  126 ++++++++++++++++++++++++++++++++++++-----
 1 files changed, 109 insertions(+), 17 deletions(-)

diff --git a/server/lib/classes/system.inc.php b/server/lib/classes/system.inc.php
index 9b7d994..76388a6 100644
--- a/server/lib/classes/system.inc.php
+++ b/server/lib/classes/system.inc.php
@@ -899,7 +899,7 @@
 
 		//* We allow only some characters in the path
 		// * is allowed, for example it is part of wildcard certificates/keys: *.example.com.crt
-		if(!preg_match('@^/[-a-zA-Z0-9_/.*~]{1,}$@', $path)) return false;
+		if(!preg_match('@^/[-a-zA-Z0-9_/.*]{1,}[~]?$@', $path)) return false;
 
 		//* Check path for symlinks
 		$path_parts = explode('/', $path);
@@ -913,6 +913,38 @@
 	}
 
 
+	/**
+	 * 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, opt. available disk-space
+	*/
+
+	function check_free_space($path, $limit = 0, &$free_space = 0) {
+		$path = rtrim($path, '/');
+
+		/**
+		* Make sure that we have only existing directories in the path.
+
+		* 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.
+        */
+		while(!is_dir($path) && $path != '/') $path = realpath(dirname($path));
+
+		$free_space = disk_free_space($out);
+
+		if (!$free_space) {
+			$free_space = 0;
+			return false;
+		}
+
+		if ($free_space >= $limit) {
+			return true;
+		} else {
+			return false;
+		}
+
+	}
 
 
 
@@ -1524,9 +1556,13 @@
 		}
 	}
 
-	function maildirmake($maildir_path, $user = '', $group = '', $subfolder = '') {
+	function maildirmake($maildir_path, $user = '', $subfolder = '', $group = '') {
 
-		global $app;
+		global $app, $conf;
+		
+		// load the server configuration options
+		$app->uses("getconf");
+		$mail_config = $app->getconf->get_server_config($conf["server_id"], 'mail');
 
 		if($subfolder != '') {
 			$dir = escapeshellcmd($maildir_path.'/.'.$subfolder);
@@ -1571,25 +1607,30 @@
 
 		//* Add the subfolder to the subscriptions and courierimapsubscribed files
 		if($subfolder != '') {
+			
 			// Courier
-			if(!is_file($maildir_path.'/courierimapsubscribed')) {
-				$tmp_file = escapeshellcmd($maildir_path.'/courierimapsubscribed');
-				touch($tmp_file);
-				chmod($tmp_file, 0744);
-				chown($tmp_file, 'vmail');
-				chgrp($tmp_file, 'vmail');
+			if($mail_config['pop3_imap_daemon'] == 'courier') {
+				if(!is_file($maildir_path.'/courierimapsubscribed')) {
+					$tmp_file = escapeshellcmd($maildir_path.'/courierimapsubscribed');
+					touch($tmp_file);
+					chmod($tmp_file, 0744);
+					chown($tmp_file, 'vmail');
+					chgrp($tmp_file, 'vmail');
+				}
+				$this->replaceLine($maildir_path.'/courierimapsubscribed', 'INBOX.'.$subfolder, 'INBOX.'.$subfolder, 1, 1);
 			}
-			$this->replaceLine($maildir_path.'/courierimapsubscribed', 'INBOX.'.$subfolder, 'INBOX.'.$subfolder, 1, 1);
 
 			// Dovecot
-			if(!is_file($maildir_path.'/subscriptions')) {
-				$tmp_file = escapeshellcmd($maildir_path.'/subscriptions');
-				touch($tmp_file);
-				chmod($tmp_file, 0744);
-				chown($tmp_file, 'vmail');
-				chgrp($tmp_file, 'vmail');
+			if($mail_config['pop3_imap_daemon'] == 'dovecot') {
+				if(!is_file($maildir_path.'/subscriptions')) {
+					$tmp_file = escapeshellcmd($maildir_path.'/subscriptions');
+					touch($tmp_file);
+					chmod($tmp_file, 0744);
+					chown($tmp_file, 'vmail');
+					chgrp($tmp_file, 'vmail');
+				}
+				$this->replaceLine($maildir_path.'/subscriptions', $subfolder, $subfolder, 1, 1);
 			}
-			$this->replaceLine($maildir_path.'/subscriptions', $subfolder, $subfolder, 1, 1);
 		}
 
 		$app->log('Created Maildir '.$maildir_path.' with subfolder: '.$subfolder, LOGLEVEL_DEBUG);
@@ -1774,7 +1815,58 @@
 		if(substr($init_script_directory, -1) === '/') $init_script_directory = substr($init_script_directory, 0, -1);
 		return $init_script_directory.'/'.$servicename.' '.$action;
 	}
+	
+	function getapacheversion($get_minor = false) {
+		global $app;
+		
+		$cmd = '';
+		if($this->is_installed('apache2ctl')) $cmd = 'apache2ctl -v';
+		elseif($this->is_installed('apachectl')) $cmd = 'apachectl -v';
+		else {
+			$app->log("Could not check apache version, apachectl not found.", LOGLEVEL_WARN);
+			return '2.2';
+		}
+		
+		exec($cmd, $output, $return_var);
+		if($return_var != 0 || !$output[0]) {
+			$app->log("Could not check apache version, apachectl did not return any data.", LOGLEVEL_WARN);
+			return '2.2';
+		}
+		
+		if(preg_match('/version:\s*Apache\/(\d+)(\.(\d+)(\.(\d+))*)?(\D|$)/i', $output[0], $matches)) {
+			return $matches[1] . (isset($matches[3]) ? '.' . $matches[3] : '') . (isset($matches[5]) && $get_minor == true ? '.' . $matches[5] : '');
+		} else {
+			$app->log("Could not check apache version, did not find version string in apachectl output.", LOGLEVEL_WARN);
+			return '2.2';
+		}
+	}
 
+	function getapachemodules() {
+		global $app;
+		
+		$cmd = '';
+		if(is_installed('apache2ctl')) $cmd = 'apache2ctl -t -D DUMP_MODULES';
+		elseif(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;
+	}
 }
 
 ?>

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