From d5f2d5f5504572a9c62aadbfc6f780bb08e1e156 Mon Sep 17 00:00:00 2001
From: Marius Cramer <m.cramer@pixcept.de>
Date: Wed, 15 Apr 2015 09:45:45 -0400
Subject: [PATCH] - ported some patches

---
 server/plugins-available/shelluser_base_plugin.inc.php |   97 +++++++++++++++++++++++++++++++++++++++---------
 1 files changed, 79 insertions(+), 18 deletions(-)

diff --git a/server/plugins-available/shelluser_base_plugin.inc.php b/server/plugins-available/shelluser_base_plugin.inc.php
index e331624..6105f7b 100755
--- a/server/plugins-available/shelluser_base_plugin.inc.php
+++ b/server/plugins-available/shelluser_base_plugin.inc.php
@@ -58,22 +58,28 @@
 		/*
 		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');
-
+		
 
 	}
 
 
 	function insert($event_name, $data) {
 		global $app, $conf;
-
-		$app->uses('system');
+		
+		$app->uses('system,getconf');
+		
+		$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;
+		}
 
 		//* Check if the resulting path is inside the docroot
-		$web = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ".intval($data['new']['parent_domain_id']));
+		$web = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ?", $data['new']['parent_domain_id']);
 		if(substr($data['new']['dir'],0,strlen($web['document_root'])) != $web['document_root']) {
 			$app->log('Directory of the shell user is outside of website docroot.',LOGLEVEL_WARN);
 			return false;
@@ -92,12 +98,17 @@
 
 		if($app->system->is_user($data['new']['puser'])) {
 
-			//* Remove webfolder protection
-			$app->system->web_folder_protection($web['document_root'], false);
-
 			// Get the UID of the parent user
 			$uid = intval($app->system->getuid($data['new']['puser']));
 			if($uid > $this->min_uid) {
+				//* Remove webfolder protection
+				$app->system->web_folder_protection($web['document_root'], false);
+
+				if(!is_dir($data['new']['dir'])){
+					$app->file->mkdirs(escapeshellcmd($data['new']['dir']), '0700');
+					$app->system->chown(escapeshellcmd($data['new']['dir']),escapeshellcmd($data['new']['username']));
+					$app->system->chgrp(escapeshellcmd($data['new']['dir']),escapeshellcmd($data['new']['pgroup']));
+				}
 				$command = 'useradd';
 				$command .= ' -d '.escapeshellcmd($data['new']['dir']);
 				$command .= ' -g '.escapeshellcmd($data['new']['pgroup']);
@@ -132,7 +143,6 @@
 
 				//* Add webfolder protection again
 				$app->system->web_folder_protection($web['document_root'], true);
-
 			} else {
 				$app->log("UID = $uid for shelluser:".$data['new']['username']." not allowed.", LOGLEVEL_ERROR);
 			}
@@ -144,10 +154,16 @@
 	function update($event_name, $data) {
 		global $app, $conf;
 
-		$app->uses('system');
+		$app->uses('system,getconf');
+		
+		$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;
+		}
 
 		//* Check if the resulting path is inside the docroot
-		$web = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ".intval($data['new']['parent_domain_id']));
+		$web = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ?", $data['new']['parent_domain_id']);
 		if(substr($data['new']['dir'],0,strlen($web['document_root'])) != $web['document_root']) {
 			$app->log('Directory of the shell user is outside of website docroot.',LOGLEVEL_WARN);
 			return false;
@@ -223,15 +239,60 @@
 	function delete($event_name, $data) {
 		global $app, $conf;
 
-		$app->uses('system');
+		$app->uses('system,getconf');
+		
+		$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;
+		}
 
 		if($app->system->is_user($data['old']['username'])) {
 			// Get the UID of the user
 			$userid = intval($app->system->getuid($data['old']['username']));
 			if($userid > $this->min_uid) {
+				// check if we have to delete the dir
+				$check = $app->db->queryOneRecord('SELECT shell_user_id FROM `shell_user` WHERE `dir` = ?', $data['old']['dir']);
+				if(!$check && is_dir($data['old']['dir'])) {
+					
+					$web = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ?", $data['old']['parent_domain_id']);
+					
+					$app->system->web_folder_protection($web['document_root'], false);
+					
+					// delete dir
+					$homedir = $data['old']['dir'];
+					if(substr($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);
+				}
+				
 				// We delete only non jailkit users, jailkit users will be deleted by the jailkit plugin.
 				if ($data['old']['chroot'] != "jailkit") {
-					$command = 'userdel -f';
+					$command = 'killall -u '.escapeshellcmd($data['old']['username']).' ; userdel -f';
 					$command .= ' '.escapeshellcmd($data['old']['username']).' &> /dev/null';
 					exec($command);
 					$app->log("Deleted shelluser: ".$data['old']['username'], LOGLEVEL_DEBUG);
@@ -250,11 +311,11 @@
 		global $app;
 		$this->app->log("ssh-rsa setup shelluser_base", LOGLEVEL_DEBUG);
 		// Get the client ID, username, and the key
-		$domain_data = $this->app->db->queryOneRecord('SELECT sys_groupid FROM web_domain WHERE web_domain.domain_id = '.intval($this->data['new']['parent_domain_id']));
-		$sys_group_data = $this->app->db->queryOneRecord('SELECT * FROM sys_group WHERE sys_group.groupid = '.intval($domain_data['sys_groupid']));
+		$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);
+		$client_data = $this->app->db->queryOneRecord('SELECT * FROM client WHERE client.client_id = ?', $id);
 		$userkey = $client_data['ssh_rsa'];
 		unset($domain_data);
 		unset($client_data);
@@ -262,7 +323,7 @@
 		// ssh-rsa authentication variables
 		//$sshrsa = $this->data['new']['ssh_rsa'];
 		$sshrsa = '';
-		$ssh_users = $app->db->queryAllRecords("SELECT ssh_rsa FROM shell_user WHERE parent_domain_id = ".intval($this->data['new']['parent_domain_id']));
+		$ssh_users = $app->db->queryAllRecords("SELECT ssh_rsa FROM shell_user WHERE parent_domain_id = ?", $this->data['new']['parent_domain_id']);
 		if(is_array($ssh_users)) {
 			foreach($ssh_users as $sshu) {
 				if($sshu['ssh_rsa'] != '') $sshrsa .= "\n".$sshu['ssh_rsa'];
@@ -286,7 +347,7 @@
 			$userkey = $app->system->file_get_contents('/tmp/id_rsa.pub');
 
 			// save keypair in client table
-			$this->app->db->query("UPDATE client SET created_at = ".time().", id_rsa = '".$app->db->quote($app->system->file_get_contents('/tmp/id_rsa'))."', ssh_rsa = '".$app->db->quote($userkey)."' WHERE client_id = ".$id);
+			$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');

--
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