From 437887f7cc8482aaf9a641ffc08694e4bea91f1a Mon Sep 17 00:00:00 2001
From: Till Brehm <tbrehm@ispconfig.org>
Date: Thu, 30 Jun 2016 13:34:32 -0400
Subject: [PATCH] Fixed #3196

---
 server/plugins-available/shelluser_jailkit_plugin.inc.php |  653 ++++++++++++++++++++++++++++++++++++++++++++--------------
 1 files changed, 490 insertions(+), 163 deletions(-)

diff --git a/server/plugins-available/shelluser_jailkit_plugin.inc.php b/server/plugins-available/shelluser_jailkit_plugin.inc.php
index 308178f..16dbcc7 100755
--- a/server/plugins-available/shelluser_jailkit_plugin.inc.php
+++ b/server/plugins-available/shelluser_jailkit_plugin.inc.php
@@ -29,235 +29,562 @@
 */
 
 class shelluser_jailkit_plugin {
-	
+
 	//* $plugin_name and $class_name have to be the same then the name of this class
 	var $plugin_name = 'shelluser_jailkit_plugin';
 	var $class_name = 'shelluser_jailkit_plugin';
-	
+	var $min_uid = 499;
+
 	//* This function is called during ispconfig installation to determine
 	//  if a symlink shall be created for this plugin.
 	function onInstall() {
 		global $conf;
-		
+
 		if($conf['services']['web'] == true) {
 			return true;
 		} else {
 			return false;
 		}
-		
+
 	}
-	
-		
+
+
 	/*
 	 	This function is called when the plugin is loaded
 	*/
-	
+
 	function onLoad() {
 		global $app;
-		
+
 		/*
 		Register for the events
 		*/
 		
-		$app->plugins->registerEvent('shell_user_insert',$this->plugin_name,'insert');
-		$app->plugins->registerEvent('shell_user_update',$this->plugin_name,'update');
-		$app->plugins->registerEvent('shell_user_delete',$this->plugin_name,'delete');
+		$app->plugins->registerEvent('shell_user_insert', $this->plugin_name, 'insert');
+		$app->plugins->registerEvent('shell_user_update', $this->plugin_name, 'update');
+		$app->plugins->registerEvent('shell_user_delete', $this->plugin_name, 'delete');
+		
 
-		
 	}
-	
+
 	//* This function is called, when a shell user is inserted in the database
-	function insert($event_name,$data) {
+	function insert($event_name, $data) {
 		global $app, $conf;
+
+		$app->uses('system,getconf');
 		
-		$app->uses('system');
-		
-		if($app->system->is_user($data['new']['username'])) {
-		
-			/**
-		 	* Setup Jailkit Chroot System If Enabled 
-		 	*/
-			if ($data['new']['chroot'] == "jailkit")
-			{
-				// load the server configuration options
-				$app->uses("getconf");
-				$this->data = $data;
-				$this->app = $app;
-				$this->jailkit_config = $app->getconf->get_server_config($conf["server_id"], 'jailkit');
-			
-				$this->_setup_jailkit_chroot();
-				
-				$command .= 'usermod --unlock '.escapeshellcmd($data['new']['username']);
-				exec($command);
-				
-				$this->_add_jailkit_user();
-			}
-		
-			$app->log("Jailkit Plugin -> insert username:".$data['new']['username'],LOGLEVEL_DEBUG);
-			
-		} else {
-			$app->log("Jailkit Plugin -> insert username:".$data['new']['username']." skipped, the user does not exist.",LOGLEVEL_WARN);
+		$security_config = $app->getconf->get_security_config('permissions');
+		if($security_config['allow_shell_user'] != 'yes') {
+			$app->log('Shell user plugin disabled by security settings.',LOGLEVEL_WARN);
+			return false;
 		}
 		
+		
+		$web = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ?", $data['new']['parent_domain_id']);
+
+		if(!$app->system->is_allowed_user($data['new']['username'], false, false)
+			|| !$app->system->is_allowed_user($data['new']['puser'], true, true)
+			|| !$app->system->is_allowed_group($data['new']['pgroup'], true, true)) {
+			$app->log('Shell user must not be root or in group root.',LOGLEVEL_WARN);
+			return false;
+		}
+
+		if($app->system->is_user($data['new']['puser'])) {
+			// Get the UID of the parent user
+			$uid = intval($app->system->getuid($data['new']['puser']));
+			if($uid > $this->min_uid) {
+			
+				if($app->system->is_user($data['new']['username'])) {
+
+					/**
+					* Setup Jailkit Chroot System If Enabled
+					*/
+
+					if ($data['new']['chroot'] == "jailkit")
+					{
+
+
+						// load the server configuration options
+						$app->uses("getconf");
+						$this->data = $data;
+						$this->app = $app;
+						$this->jailkit_config = $app->getconf->get_server_config($conf["server_id"], 'jailkit');
+
+						$this->_update_website_security_level();
+
+						$app->system->web_folder_protection($web['document_root'], false);
+
+						$this->_setup_jailkit_chroot();
+
+						$this->_add_jailkit_user();
+
+						//* call the ssh-rsa update function
+						$this->_setup_ssh_rsa();
+
+						//$command .= 'usermod -s /usr/sbin/jk_chrootsh -U '.escapeshellcmd($data['new']['username']);
+						//exec($command);
+						$app->system->usermod($data['new']['username'], 0, 0, '', '/usr/sbin/jk_chrootsh', '', '');
+
+						//* Unlock user
+						$command = 'usermod -U '.escapeshellcmd($data['new']['username']).' 2>/dev/null';
+						exec($command);
+
+						$this->_update_website_security_level();
+						$app->system->web_folder_protection($web['document_root'], true);
+					}
+
+					$app->log("Jailkit Plugin -> insert username:".$data['new']['username'], LOGLEVEL_DEBUG);
+
+				} else {
+					$app->log("Jailkit Plugin -> insert username:".$data['new']['username']." skipped, the user does not exist.", LOGLEVEL_WARN);
+				}
+			} else {
+				$app->log("UID = $uid for shelluser:".$data['new']['username']." not allowed.", LOGLEVEL_ERROR);
+			}
+		} else {
+			$app->log("Skipping insertion of user:".$data['new']['username'].", parent user ".$data['new']['puser']." does not exist.", LOGLEVEL_WARN);
+		}
+
 	}
-	
+
 	//* This function is called, when a shell user is updated in the database
-	function update($event_name,$data) {
+	function update($event_name, $data) {
 		global $app, $conf;
+
+		$app->uses('system,getconf');
 		
-		$app->uses('system');
-		
-		if($app->system->is_user($data['new']['username'])) {
-		
-			/**
-		 	* Setup Jailkit Chroot System If Enabled 
-		 	*/
-			if ($data['new']['chroot'] == "jailkit")
-			{
-				// load the server configuration options
-				$app->uses("getconf");
-				$this->data = $data;
-				$this->app = $app;
-				$this->jailkit_config = $app->getconf->get_server_config($conf["server_id"], 'jailkit');
-			
-				$this->_setup_jailkit_chroot();
-				$this->_add_jailkit_user();
-			}
-		
-			$app->log("Jailkit Plugin -> update username:".$data['new']['username'],LOGLEVEL_DEBUG);
-			
-		} else {
-			$app->log("Jailkit Plugin -> update username:".$data['new']['username']." skipped, the user does not exist.",LOGLEVEL_WARN);
+		$security_config = $app->getconf->get_security_config('permissions');
+		if($security_config['allow_shell_user'] != 'yes') {
+			$app->log('Shell user plugin disabled by security settings.',LOGLEVEL_WARN);
+			return false;
 		}
 		
+		$web = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ?", $data['new']['parent_domain_id']);
+
+		if(!$app->system->is_allowed_user($data['new']['username'], false, false)
+			|| !$app->system->is_allowed_user($data['new']['puser'], true, true)
+			|| !$app->system->is_allowed_group($data['new']['pgroup'], true, true)) {
+			$app->log('Shell user must not be root or in group root.',LOGLEVEL_WARN);
+			return false;
+		}
+
+		if($app->system->is_user($data['new']['puser'])) {
+			// Get the UID of the parent user
+			$uid = intval($app->system->getuid($data['new']['puser']));
+			if($uid > $this->min_uid) {
+			
+			
+				if($app->system->is_user($data['new']['username'])) {
+
+					/**
+					* Setup Jailkit Chroot System If Enabled
+					*/
+					if ($data['new']['chroot'] == "jailkit")
+					{
+
+						// load the server configuration options
+						$app->uses("getconf");
+						$this->data = $data;
+						$this->app = $app;
+						$this->jailkit_config = $app->getconf->get_server_config($conf["server_id"], 'jailkit');
+
+						$this->_update_website_security_level();
+
+						$app->system->web_folder_protection($web['document_root'], false);
+
+						$this->_setup_jailkit_chroot();
+						$this->_add_jailkit_user();
+
+						//* call the ssh-rsa update function
+						$this->_setup_ssh_rsa();
+
+						$this->_update_website_security_level();
+
+						$app->system->web_folder_protection($web['document_root'], true);
+					}
+
+					$app->log("Jailkit Plugin -> update username:".$data['new']['username'], LOGLEVEL_DEBUG);
+
+				} else {
+					$app->log("Jailkit Plugin -> update username:".$data['new']['username']." skipped, the user does not exist.", LOGLEVEL_WARN);
+				}
+			} else {
+				$app->log("UID = $uid for shelluser:".$data['new']['username']." not allowed.", LOGLEVEL_ERROR);
+			}
+		} else {
+			$app->log("Skipping update for user:".$data['new']['username'].", parent user ".$data['new']['puser']." does not exist.", LOGLEVEL_WARN);
+		}
+
 	}
-	
+
 	//* This function is called, when a shell user is deleted in the database
 	/**
 	 * TODO: Remove chroot user home and from the chroot passwd file
-	 */ 
-	function delete($event_name,$data) {
+	 */
+	function delete($event_name, $data) {
 		global $app, $conf;
+
+		$app->uses('system,getconf');
 		
-		$app->uses('system');
-		
+		$security_config = $app->getconf->get_security_config('permissions');
+		if($security_config['allow_shell_user'] != 'yes') {
+			$app->log('Shell user plugin disabled by security settings.',LOGLEVEL_WARN);
+			return false;
+		}
+
+		$web = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ?", $data['old']['parent_domain_id']);
+
 		if ($data['old']['chroot'] == "jailkit")
 		{
 			$app->uses("getconf");
 			$this->jailkit_config = $app->getconf->get_server_config($conf["server_id"], 'jailkit');
-			
+
 			$jailkit_chroot_userhome = $this->_get_home_dir($data['old']['username']);
-			
+
 			//commented out proved to be dangerous on config errors
 			//exec('rm -rf '.$data['old']['dir'].$jailkit_chroot_userhome);
+
+			$app->system->web_folder_protection($web['document_root'], false);
 			
+			$userid = intval($app->system->getuid($data['old']['username']));
+			$command = 'killall -u '.escapeshellcmd($data['old']['username']).' ; ';
+			$command .= 'userdel -f '.escapeshellcmd($data['old']['username']).' &> /dev/null';
+			exec($command);
 			
-			$app->log("Jailkit Plugin -> delete chroot home:".$data['old']['dir'].$jailkit_chroot_userhome,LOGLEVEL_DEBUG);
+			// Remove the jailed user from passwd and shadow file inside the jail
+			$app->system->removeLine($data['old']['dir'].'/etc/passwd', $data['old']['username']);
+			$app->system->removeLine($data['old']['dir'].'/etc/shadow', $data['old']['username']);
+
+			if(@is_dir($data['old']['dir'].$jailkit_chroot_userhome)) {
+				$this->_delete_homedir($data['old']['dir'].$jailkit_chroot_userhome,$userid,$data['old']['parent_domain_id']);
+				
+				$app->log("Jailkit Plugin -> delete chroot home:".$data['old']['dir'].$jailkit_chroot_userhome, LOGLEVEL_DEBUG);
+			}
+
+			$app->system->web_folder_protection($web['document_root'], true);
+
 		}
-		
-		$app->log("Jailkit Plugin -> delete username:".$data['old']['username'],LOGLEVEL_DEBUG);
-		
-		
+
+		$app->log("Jailkit Plugin -> delete username:".$data['old']['username'], LOGLEVEL_DEBUG);
+
+
 	}
-	
+
 	function _setup_jailkit_chroot()
 	{
-			//check if the chroot environment is created yet if not create it with a list of program sections from the config
-			if (!is_dir($this->data['new']['dir'].'/etc/jailkit'))
-			{
-				$command = '/usr/local/ispconfig/server/scripts/create_jailkit_chroot.sh';
-				$command .= ' '.escapeshellcmd($this->data['new']['dir']);
-				$command .= ' \''.$this->jailkit_config['jailkit_chroot_app_sections'].'\'';
-				exec($command);
-				
-				$this->app->log("Added jailkit chroot with command: ".$command,LOGLEVEL_DEBUG);
-				
-				$this->_add_jailkit_programs();
-				
-				//add bash.bashrc script
-				//we need to collect the domain name to be used as the HOSTNAME in the bashrc script
-				$web = $this->app->db->queryOneRecord("SELECT domain FROM web_domain WHERE domain_id = ".intval($this->data['new']["parent_domain_id"]));
-				
-				$this->app->load('tpl');
-		
-				$tpl = new tpl();
-				$tpl->newTemplate("bash.bashrc.master");
-				
-				$tpl->setVar('jailkit_chroot',true);
-				$tpl->setVar('domain',$web['domain']);
-				$tpl->setVar('home_dir',$this->_get_home_dir(""));
-				
-				$bashrc = escapeshellcmd($this->data['new']['dir']).'/etc/bash.bashrc';
-				if(@is_file($bashrc)) exec('rm '.$bashrc);
-				
-				file_put_contents($bashrc,$tpl->grab());
-				unset($tpl);
-				
-				$this->app->log("Added bashrc scrpt : ".$bashrc,LOGLEVEL_DEBUG);
-				
-				$tpl = new tpl();
-				$tpl->newTemplate("motd.master");
-				
-				$tpl->setVar('domain',$web['domain']);
-				
-				$motd = escapeshellcmd($this->data['new']['dir']).'/var/run/motd';
-				if(@is_file($motd)) exec('rm '.$motd);
-				
-				file_put_contents($motd,$tpl->grab());
-				
-			}
+		global $app;
+
+		//check if the chroot environment is created yet if not create it with a list of program sections from the config
+		if (!is_dir($this->data['new']['dir'].'/etc/jailkit'))
+		{
+			$command = '/usr/local/ispconfig/server/scripts/create_jailkit_chroot.sh';
+			$command .= ' '.escapeshellcmd($this->data['new']['dir']);
+			$command .= ' \''.$this->jailkit_config['jailkit_chroot_app_sections'].'\'';
+			exec($command.' 2>/dev/null');
+
+			$this->app->log("Added jailkit chroot with command: ".$command, LOGLEVEL_DEBUG);
+
+			$this->_add_jailkit_programs();
+
+			//add bash.bashrc script
+			//we need to collect the domain name to be used as the HOSTNAME in the bashrc script
+			$web = $this->app->db->queryOneRecord("SELECT domain FROM web_domain WHERE domain_id = ?", $this->data['new']["parent_domain_id"]);
+
+			$this->app->load('tpl');
+
+			$tpl = new tpl();
+			$tpl->newTemplate("bash.bashrc.master");
+
+			$tpl->setVar('jailkit_chroot', true);
+			$tpl->setVar('domain', $web['domain']);
+			$tpl->setVar('home_dir', $this->_get_home_dir(""));
+
+			$bashrc = escapeshellcmd($this->data['new']['dir']).'/etc/bash.bashrc';
+			if(@is_file($bashrc) || @is_link($bashrc)) unlink($bashrc);
+
+			file_put_contents($bashrc, $tpl->grab());
+			unset($tpl);
+
+			$this->app->log("Added bashrc script: ".$bashrc, LOGLEVEL_DEBUG);
+
+			$tpl = new tpl();
+			$tpl->newTemplate("motd.master");
+
+			$tpl->setVar('domain', $web['domain']);
+
+			$motd = escapeshellcmd($this->data['new']['dir']).'/var/run/motd';
+			if(@is_file($motd) || @is_link($motd)) unlink($motd);
+
+			$app->system->file_put_contents($motd, $tpl->grab());
+
+		}
 	}
-	
+
 	function _add_jailkit_programs()
 	{
-		//copy over further programs and its libraries
-		$command = '/usr/local/ispconfig/server/scripts/create_jailkit_programs.sh';
-		$command .= ' '.escapeshellcmd($this->data['new']['dir']);
-		$command .= ' \''.$this->jailkit_config['jailkit_chroot_app_programs'].'\'';
-		exec($command);
-		
-		$this->app->log("Added programs to jailkit chroot with command: ".$command,LOGLEVEL_DEBUG);
+		$jailkit_chroot_app_programs = preg_split("/[\s,]+/", $this->jailkit_config['jailkit_chroot_app_programs']);
+		if(is_array($jailkit_chroot_app_programs) && !empty($jailkit_chroot_app_programs)){
+			foreach($jailkit_chroot_app_programs as $jailkit_chroot_app_program){
+				$jailkit_chroot_app_program = trim($jailkit_chroot_app_program);
+				if(is_file($jailkit_chroot_app_program) || is_dir($jailkit_chroot_app_program)){			
+					//copy over further programs and its libraries
+					$command = '/usr/local/ispconfig/server/scripts/create_jailkit_programs.sh';
+					$command .= ' '.escapeshellcmd($this->data['new']['dir']);
+					$command .= ' '.$jailkit_chroot_app_program;
+					exec($command.' 2>/dev/null');
+
+					$this->app->log("Added programs to jailkit chroot with command: ".$command, LOGLEVEL_DEBUG);
+				}
+			}
+		}
 	}
-	
+
 	function _get_home_dir($username)
 	{
-		return str_replace("[username]",escapeshellcmd($username),$this->jailkit_config["jailkit_chroot_home"]);
+		return str_replace("[username]", escapeshellcmd($username), $this->jailkit_config['jailkit_chroot_home']);
 	}
-	
+
 	function _add_jailkit_user()
 	{
-			//add the user to the chroot
-			$jailkit_chroot_userhome = $this->_get_home_dir($this->data['new']['username']);
-			$jailkit_chroot_puserhome = $this->_get_home_dir($this->data['new']['puser']);
-			
-			// IMPORTANT!
-			// ALWAYS create the user. Even if the user was created before
-			// if we check if the user exists, then a update (no shell -> jailkit) will not work
-			// and the user has FULL ACCESS to the root of the server!
-			$command = '/usr/local/ispconfig/server/scripts/create_jailkit_user.sh';
-			$command .= ' '.escapeshellcmd($this->data['new']['username']);
-			$command .= ' '.escapeshellcmd($this->data['new']['dir']);
-			$command .= ' '.$jailkit_chroot_userhome;
-			$command .= ' '.escapeshellcmd($this->data['new']['shell']);
-			$command .= ' '.$this->data['new']['puser'];
-			$command .= ' '.$jailkit_chroot_puserhome;
-			exec($command);
-				
-			$this->app->log("Added jailkit user to chroot with command: ".$command,LOGLEVEL_DEBUG);
-				
-			exec("mkdir -p ".escapeshellcmd($this->data['new']['dir'].$jailkit_chroot_userhome));
-			exec("chown ".$this->data['new']['username'].":".$this->data['new']['pgroup']." ".escapeshellcmd($this->data['new']['dir'].$jailkit_chroot_userhome));
-				
-			$this->app->log("Added created jailkit user home in : ".$this->data['new']['dir'].$jailkit_chroot_userhome,LOGLEVEL_DEBUG);
-			
-			exec("mkdir -p ".escapeshellcmd($this->data['new']['dir'].$jailkit_chroot_puserhome));
-			exec("chown ".$this->data['new']['puser'].":".$this->data['new']['pgroup']." ".escapeshellcmd($this->data['new']['dir'].$jailkit_chroot_puserhome));
-				
-			$this->app->log("Added created jailkit parent user home in : ".$this->data['new']['dir'].$jailkit_chroot_puserhome,LOGLEVEL_DEBUG);
+		global $app;
+
+		//add the user to the chroot
+		$jailkit_chroot_userhome = $this->_get_home_dir($this->data['new']['username']);
+		$jailkit_chroot_puserhome = $this->_get_home_dir($this->data['new']['puser']);
+
+		if(!is_dir($this->data['new']['dir'].'/etc')) mkdir($this->data['new']['dir'].'/etc', 0755);
+		if(!is_file($this->data['new']['dir'].'/etc/passwd')) touch($this->data['new']['dir'].'/etc/passwd', 0755);
+
+		// IMPORTANT!
+		// ALWAYS create the user. Even if the user was created before
+		// if we check if the user exists, then a update (no shell -> jailkit) will not work
+		// and the user has FULL ACCESS to the root of the server!
+		$command = '/usr/local/ispconfig/server/scripts/create_jailkit_user.sh';
+		$command .= ' '.escapeshellcmd($this->data['new']['username']);
+		$command .= ' '.escapeshellcmd($this->data['new']['dir']);
+		$command .= ' '.$jailkit_chroot_userhome;
+		$command .= ' '.escapeshellcmd($this->data['new']['shell']);
+		$command .= ' '.$this->data['new']['puser'];
+		$command .= ' '.$jailkit_chroot_puserhome;
+		exec($command.' 2>/dev/null');
+
+		//* Change the homedir of the shell user and parent user
+		//* We have to do this manually as the usermod command fails
+		//* when the user is logged in or a command is running under that user
+		/*
+			$passwd_file_array = file('/etc/passwd');
+			$passwd_out = '';
+			if(is_array($passwd_file_array)) {
+				foreach($passwd_file_array as $line) {
+					$line = trim($line);
+					$parts = explode(':',$line);
+					if($parts[0] == $this->data['new']['username']) {
+						$parts[5] = escapeshellcmd($this->data['new']['dir'].'/.'.$jailkit_chroot_userhome);
+						$parts[6] = escapeshellcmd('/usr/sbin/jk_chrootsh');
+						$new_line = implode(':',$parts);
+						copy('/etc/passwd','/etc/passwd~');
+						chmod('/etc/passwd~',0600);
+						$app->uses('system');
+						$app->system->replaceLine('/etc/passwd',$line,$new_line,1,0);
+					}
+				}
+			}*/
+
+		$shell = '/usr/sbin/jk_chrootsh';
+		if($this->data['new']['active'] != 'y') $shell = '/bin/false';
+		
+		$app->system->usermod($this->data['new']['username'], 0, 0, $this->data['new']['dir'].'/.'.$jailkit_chroot_userhome, $shell);
+		$app->system->usermod($this->data['new']['puser'], 0, 0, $this->data['new']['dir'].'/.'.$jailkit_chroot_userhome, '/usr/sbin/jk_chrootsh');
+
+		$this->app->log("Added jailkit user to chroot with command: ".$command, LOGLEVEL_DEBUG);
+
+		if(!is_dir($this->data['new']['dir'].$jailkit_chroot_userhome)) mkdir(escapeshellcmd($this->data['new']['dir'].$jailkit_chroot_userhome), 0755, true);
+		$app->system->chown(escapeshellcmd($this->data['new']['dir'].$jailkit_chroot_userhome), $this->data['new']['username']);
+		$app->system->chgrp(escapeshellcmd($this->data['new']['dir'].$jailkit_chroot_userhome), $this->data['new']['pgroup']);
+
+		$this->app->log("Added created jailkit user home in : ".$this->data['new']['dir'].$jailkit_chroot_userhome, LOGLEVEL_DEBUG);
+
+		if(!is_dir($this->data['new']['dir'].$jailkit_chroot_puserhome)) mkdir(escapeshellcmd($this->data['new']['dir'].$jailkit_chroot_puserhome), 0755, true);
+		$app->system->chown(escapeshellcmd($this->data['new']['dir'].$jailkit_chroot_puserhome), $this->data['new']['puser']);
+		$app->system->chgrp(escapeshellcmd($this->data['new']['dir'].$jailkit_chroot_puserhome), $this->data['new']['pgroup']);
+
+		$this->app->log("Added jailkit parent user home in : ".$this->data['new']['dir'].$jailkit_chroot_puserhome, LOGLEVEL_DEBUG);
+
+
+	}
+
+	//* Update the website root directory permissions depending on the security level
+	function _update_website_security_level() {
+		global $app, $conf;
+
+		// load the server configuration options
+		$app->uses("getconf");
+		$web_config = $app->getconf->get_server_config($conf["server_id"], 'web');
+
+		// Get the parent website of this shell user
+		$web = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ?", $this->data['new']['parent_domain_id']);
+
+		//* If the security level is set to high
+		if($web_config['security_level'] == 20 && is_array($web)) {
+			$app->system->web_folder_protection($web["document_root"], false);
+			$app->system->chmod($web["document_root"], 0755);
+			$app->system->chown($web["document_root"], 'root');
+			$app->system->chgrp($web["document_root"], 'root');
+			$app->system->web_folder_protection($web["document_root"], true);
+		}
+
+	}
+
+	//* Wrapper for exec function for easier debugging
+	private function _exec($command) {
+		global $app;
+		$app->log('exec: '.$command, LOGLEVEL_DEBUG);
+		exec($command);
+	}
+
+	private function _setup_ssh_rsa() {
+		global $app;
+		$this->app->log("ssh-rsa setup shelluser_jailkit", LOGLEVEL_DEBUG);
+		// Get the client ID, username, and the key
+		$domain_data = $this->app->db->queryOneRecord('SELECT sys_groupid FROM web_domain WHERE web_domain.domain_id = ?', $this->data['new']['parent_domain_id']);
+		$sys_group_data = $this->app->db->queryOneRecord('SELECT * FROM sys_group WHERE sys_group.groupid = ?', $domain_data['sys_groupid']);
+		$id = intval($sys_group_data['client_id']);
+		$username= $sys_group_data['name'];
+		$client_data = $this->app->db->queryOneRecord('SELECT * FROM client WHERE client.client_id = ?', $id);
+		$userkey = $client_data['ssh_rsa'];
+		unset($domain_data);
+		unset($client_data);
+
+		// ssh-rsa authentication variables
+		$sshrsa = $this->data['new']['ssh_rsa'];
+		$usrdir = escapeshellcmd($this->data['new']['dir']).'/'.$this->_get_home_dir($this->data['new']['username']);
+		$sshdir = $usrdir.'/.ssh';
+		$sshkeys= $usrdir.'/.ssh/authorized_keys';
+
+		$app->uses('file');
+		$sshrsa = $app->file->unix_nl($sshrsa);
+		$sshrsa = $app->file->remove_blank_lines($sshrsa, 0);
+
+		// If this user has no key yet, generate a pair
+		if ($userkey == '' && $id > 0){
+			//Generate ssh-rsa-keys
+			exec('ssh-keygen -t rsa -C '.$username.'-rsa-key-'.time().' -f /tmp/id_rsa -N ""');
+
+			// use the public key that has been generated
+			$userkey = $app->system->file_get_contents('/tmp/id_rsa.pub');
+
+			// save keypair in client table
+			$this->app->db->query("UPDATE client SET created_at = UNIX_TIMESTAMP(), id_rsa = ? ssh_rsa = ? WHERE client_id = ?", $app->system->file_get_contents('/tmp/id_rsa'), $userkey, $id);
+
+			$app->system->unlink('/tmp/id_rsa');
+			$app->system->unlink('/tmp/id_rsa.pub');
+			$this->app->log("ssh-rsa keypair generated for ".$username, LOGLEVEL_DEBUG);
+		};
+
+		if (!file_exists($sshkeys)){
+			// add root's key
+			$app->file->mkdirs($sshdir, '0755');
+			if(is_file('/root/.ssh/authorized_keys')) $app->system->file_put_contents($sshkeys, $app->system->file_get_contents('/root/.ssh/authorized_keys'));
+
+			// Remove duplicate keys
+			$existing_keys = @file($sshkeys);
+			$new_keys = explode("\n", $userkey);
+			$final_keys_arr = @array_merge($existing_keys, $new_keys);
+			$new_final_keys_arr = array();
+			if(is_array($final_keys_arr) && !empty($final_keys_arr)){
+				foreach($final_keys_arr as $key => $val){
+					$new_final_keys_arr[$key] = trim($val);
+				}
+			}
+			$final_keys = implode("\n", array_flip(array_flip($new_final_keys_arr)));
+
+			// add the user's key
+			file_put_contents($sshkeys, $final_keys);
+			$app->file->remove_blank_lines($sshkeys);
+			$this->app->log("ssh-rsa authorisation keyfile created in ".$sshkeys, LOGLEVEL_DEBUG);
+		}
+		//* Get the keys
+		$existing_keys = file($sshkeys);
+		$new_keys = explode("\n", $sshrsa);
+		$old_keys = explode("\n", $this->data['old']['ssh_rsa']);
+
+		//* Remove all old keys
+		if(is_array($old_keys)) {
+			foreach($old_keys as $key => $val) {
+				$k = array_search(trim($val), $existing_keys);
+				unset($existing_keys[$k]);
+			}
+		}
+
+		//* merge the remaining keys and the ones fom the ispconfig database.
+		if(is_array($new_keys)) {
+			$final_keys_arr = array_merge($existing_keys, $new_keys);
+		} else {
+			$final_keys_arr = $existing_keys;
+		}
+
+		$new_final_keys_arr = array();
+		if(is_array($final_keys_arr) && !empty($final_keys_arr)){
+			foreach($final_keys_arr as $key => $val){
+				$new_final_keys_arr[$key] = trim($val);
+			}
+		}
+		$final_keys = implode("\n", array_flip(array_flip($new_final_keys_arr)));
+
+		// add the custom key
+		$app->system->file_put_contents($sshkeys, $final_keys);
+		$app->file->remove_blank_lines($sshkeys);
+		$this->app->log("ssh-rsa key updated in ".$sshkeys, LOGLEVEL_DEBUG);
+
+		// set proper file permissions
+		exec("chown -R ".escapeshellcmd($this->data['new']['puser']).":".escapeshellcmd($this->data['new']['pgroup'])." ".$sshdir);
+		exec("chmod 700 ".$sshdir);
+		exec("chmod 600 '$sshkeys'");
+
 	}
 	
+	private function _delete_homedir($homedir,$userid,$parent_domain_id) {
+		global $app, $conf;
+		
+		// check if we have to delete the dir
+				$check = $app->db->queryOneRecord('SELECT shell_user_id FROM `shell_user` WHERE `dir` = ?', $homedir);
+				
+				if(!$check && is_dir($homedir)) {
+					$web = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ?", $parent_domain_id);
+					$app->system->web_folder_protection($web['document_root'], false);
+					
+					// delete dir
+					if(substr($homedir, -1) !== '/') $homedir .= '/';
+					$files = array('.bash_logout', '.bash_history', '.bashrc', '.profile');
+					$dirs = array('.ssh', '.cache');
+					foreach($files as $delfile) {
+						if(is_file($homedir . $delfile) && fileowner($homedir . $delfile) == $userid) unlink($homedir . $delfile);
+					}
+					foreach($dirs as $deldir) {
+						if(is_dir($homedir . $deldir) && fileowner($homedir . $deldir) == $userid) exec('rm -rf ' . escapeshellarg($homedir . $deldir));
+					}
+					$empty = true;
+					$dirres = opendir($homedir);
+					if($dirres) {
+						while(($entry = readdir($dirres)) !== false) {
+							if($entry != '.' && $entry != '..') {
+								$empty = false;
+								break;
+							}
+						}
+						closedir($dirres);
+					}
+					if($empty == true) {
+						rmdir($homedir);
+					}
+					unset($files);
+					unset($dirs);
+					
+					$app->system->web_folder_protection($web['document_root'], true);
+				}
 	
+	}
 
 } // end class
 
-?>
\ No newline at end of file
+?>

--
Gitblit v1.9.1