From f4038a2160d55a7f519a3b42be1aa96e29e9a908 Mon Sep 17 00:00:00 2001
From: ftimme <ft@falkotimme.com>
Date: Wed, 27 Feb 2013 09:01:40 -0500
Subject: [PATCH] - Fixed "FUNCTION databasename.CONCAT does not exist" error for older MySQL versions.

---
 server/plugins-available/shelluser_jailkit_plugin.inc.php |  215 +++++++++++++++++++++++++++++------------------------
 1 files changed, 116 insertions(+), 99 deletions(-)

diff --git a/server/plugins-available/shelluser_jailkit_plugin.inc.php b/server/plugins-available/shelluser_jailkit_plugin.inc.php
index 50d2b24..268df9c 100755
--- a/server/plugins-available/shelluser_jailkit_plugin.inc.php
+++ b/server/plugins-available/shelluser_jailkit_plugin.inc.php
@@ -71,6 +71,7 @@
 		global $app, $conf;
 		
 		$app->uses('system');
+		$web = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ".$data['new']['parent_domain_id']);
 		
 		if($app->system->is_user($data['new']['username'])) {
 		
@@ -79,6 +80,8 @@
 		 	*/
 			if ($data['new']['chroot'] == "jailkit")
 			{
+				
+				
 				// load the server configuration options
 				$app->uses("getconf");
 				$this->data = $data;
@@ -86,18 +89,26 @@
 				$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
+				//* call the ssh-rsa update function
 				$this->_setup_ssh_rsa();
 				
-				$command .= 'usermod -s /usr/sbin/jk_chrootsh -U '.escapeshellcmd($data['new']['username']);
+				//$command .= 'usermod -s /usr/sbin/jk_chrootsh -U '.escapeshellcmd($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);
@@ -113,6 +124,7 @@
 		global $app, $conf;
 		
 		$app->uses('system');
+		$web = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ".$data['new']['parent_domain_id']);
 		
 		if($app->system->is_user($data['new']['username'])) {
 		
@@ -121,6 +133,7 @@
 		 	*/
 			if ($data['new']['chroot'] == "jailkit")
 			{
+				
 				// load the server configuration options
 				$app->uses("getconf");
 				$this->data = $data;
@@ -128,14 +141,18 @@
 				$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
+				//* 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);
@@ -155,6 +172,8 @@
 		
 		$app->uses('system');
 		
+		$web = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ".$data['old']['parent_domain_id']);
+		
 		if ($data['old']['chroot'] == "jailkit")
 		{
 			$app->uses("getconf");
@@ -165,12 +184,16 @@
 			//commented out proved to be dangerous on config errors
 			//exec('rm -rf '.$data['old']['dir'].$jailkit_chroot_userhome);
 			
+			$app->system->web_folder_protection($web['document_root'],false);
+			
 			if(@is_dir($data['old']['dir'].$jailkit_chroot_userhome)) {
-				$command = 'userdel';
-				$command .= ' '.escapeshellcmd($data['old']['username']);
+				$command = 'userdel -f';
+				$command .= ' '.escapeshellcmd($data['old']['username']).' &> /dev/null';
 				exec($command);
 				$app->log("Jailkit Plugin -> delete chroot home:".$data['old']['dir'].$jailkit_chroot_userhome,LOGLEVEL_DEBUG);
 			}
+			
+			$app->system->web_folder_protection($web['document_root'],true);
 			
 		}
 		
@@ -181,13 +204,15 @@
 	
 	function _setup_jailkit_chroot()
 	{
+			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($command);
+				exec($command.' 2>/dev/null');
 				
 				$this->app->log("Added jailkit chroot with command: ".$command,LOGLEVEL_DEBUG);
 				
@@ -207,12 +232,12 @@
 				$tpl->setVar('home_dir',$this->_get_home_dir(""));
 				
 				$bashrc = escapeshellcmd($this->data['new']['dir']).'/etc/bash.bashrc';
-				if(@is_file($bashrc)) unlink($bashrc);
+				if(@is_file($bashrc) || @is_link($bashrc)) unlink($bashrc);
 				
 				file_put_contents($bashrc,$tpl->grab());
 				unset($tpl);
 				
-				$this->app->log("Added bashrc scrpt : ".$bashrc,LOGLEVEL_DEBUG);
+				$this->app->log("Added bashrc script : ".$bashrc,LOGLEVEL_DEBUG);
 				
 				$tpl = new tpl();
 				$tpl->newTemplate("motd.master");
@@ -220,9 +245,9 @@
 				$tpl->setVar('domain',$web['domain']);
 				
 				$motd = escapeshellcmd($this->data['new']['dir']).'/var/run/motd';
-				if(@is_file($motd)) unlink($motd);
+				if(@is_file($motd) || @is_link($motd)) unlink($motd);
 				
-				file_put_contents($motd,$tpl->grab());
+				$app->system->file_put_contents($motd,$tpl->grab());
 				
 			}
 	}
@@ -233,7 +258,7 @@
 		$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($command);
+		exec($command.' 2>/dev/null');
 		
 		$this->app->log("Added programs to jailkit chroot with command: ".$command,LOGLEVEL_DEBUG);
 	}
@@ -245,6 +270,8 @@
 	
 	function _add_jailkit_user()
 	{
+			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']);
@@ -263,78 +290,48 @@
 			$command .= ' '.escapeshellcmd($this->data['new']['shell']);
 			$command .= ' '.$this->data['new']['puser'];
 			$command .= ' '.$jailkit_chroot_puserhome;
-			exec($command);
+			exec($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);
+					}
+				}
+			}*/
+			
+			$app->system->usermod($this->data['new']['username'], 0, 0, $this->data['new']['dir'].'/.'.$jailkit_chroot_userhome, '/usr/sbin/jk_chrootsh');
+			$app->system->usermod($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);
-			chown(escapeshellcmd($this->data['new']['dir'].$jailkit_chroot_userhome), $this->data['new']['username']);
-			chgrp(escapeshellcmd($this->data['new']['dir'].$jailkit_chroot_userhome), $this->data['new']['pgroup']);
+			$app->system->chown(escapeshellcmd($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);
-			chown(escapeshellcmd($this->data['new']['dir'].$jailkit_chroot_puserhome), $this->data['new']['puser']);
-			chgrp(escapeshellcmd($this->data['new']['dir'].$jailkit_chroot_puserhome), $this->data['new']['pgroup']);
+			$app->system->chown(escapeshellcmd($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']);
 				
-			$this->app->log("Added created jailkit parent user home in : ".$this->data['new']['dir'].$jailkit_chroot_puserhome,LOGLEVEL_DEBUG);
+			$this->app->log("Added jailkit parent user home in : ".$this->data['new']['dir'].$jailkit_chroot_puserhome,LOGLEVEL_DEBUG);
 			
-			/*
-			// ssh-rsa authentication variables
-			$sshrsa = escapeshellcmd($this->data['new']['ssh_rsa']);
-			$usrdir = escapeshellcmd($this->data['new']['dir']).'/'.$jailkit_chroot_userhome;
-			$sshdir = escapeshellcmd($this->data['new']['dir']).'/'.$jailkit_chroot_userhome.'/.ssh';
-			$sshkeys= escapeshellcmd($this->data['new']['dir']).'/'.$jailkit_chroot_userhome.'/.ssh/authorized_keys';
-			global $app;
-			
-			// determine the client id
-			$id = $this->data['new']['sys_groupid'];
-			if ($id>0) $id = $id -1;
-			
-			$user = $app->db->queryOneRecord("SELECT * FROM sys_user WHERE client_id  = ".$id);
-			$userkey = $user['ssh_rsa'];
-			$username= $user['username'];
-			
-			// If this user has no key yet, generate a pair
-			if ($userkey == '') 
-			{
-				//Generate ssh-rsa-keys
-				exec('ssh-keygen -t rsa -C '.$username.'-rsa-key-'.time().' -f /tmp/id_rsa -N ""');
-				
-				$privatekey = file_get_contents('/tmp/id_rsa');
-				$publickey  = file_get_contents('/tmp/id_rsa.pub');
-				
-				exec('rm -f /tmp/id_rsa /tmp/id_rsa.pub');
-				
-				// Set the missing keypair
-				$app->db->query("UPDATE sys_user SET id_rsa='$privatekey' ,ssh_rsa='$publickey' WHERE client_id = ".$id);
-				$userkey = $publickey;
-				
-				$this->app->log("ssh-rsa keypair generated for ".$username,LOGLEVEL_DEBUG);
-			
-			};
-			
-			if (!file_exists($sshkeys))
-			{
-				// add root's key
-				exec("mkdir '$sshdir'");
-				exec("cat /root/.ssh/authorized_keys > '$sshkeys'");
-				exec("echo '' >> '$sshkeys'");
-			
-				// add the user's key
-				exec("echo '$userkey' >> '$sshkeys'");
-				exec("echo '' >> '$sshkeys'");
-			}
-			// add the custom key 
-			exec("echo '$sshrsa' >> '$sshkeys'");
-			exec("echo '' >> '$sshkeys'");
-			
-			// set proper file permissions
-			exec("chown -R ".escapeshellcmd($this->data['new']['puser']).":".escapeshellcmd($this->data['new']['pgroup'])." ".$usrdir);
-			exec("chmod 600 '$sshkeys'");
-			
-			$this->app->log("ssh-rsa key added to ".$sshkeys,LOGLEVEL_DEBUG);
-			*/
+
 	}
 	
 	//* Update the website root directory permissions depending on the security level
@@ -349,9 +346,12 @@
 		$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) {
-			$this->_exec('chmod 755 '.escapeshellcmd($web["document_root"]));
-			$this->_exec('chown root:root '.escapeshellcmd($web["document_root"]));
+		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);
 		}
 		
 	}
@@ -392,24 +392,25 @@
 			exec('ssh-keygen -t rsa -C '.$username.'-rsa-key-'.time().' -f /tmp/id_rsa -N ""');
 			
 			// use the public key that has been generated
-			$userkey = file_get_contents('/tmp/id_rsa.pub');
+			$userkey = $app->system->file_get_contents('/tmp/id_rsa.pub');
 			
 			// save keypair in client table
-			$this->app->db->query("UPDATE client SET created_at = ".time().", id_rsa = '".file_get_contents('/tmp/id_rsa')."', ssh_rsa = '".$userkey."' WHERE client_id = ".$id);
+			$this->app->db->query("UPDATE client SET created_at = ".time().", id_rsa = '".$app->db->quote($app->system->file_get_contents('/tmp/id_rsa'))."', ssh_rsa = '".$app->db->quote($userkey)."' WHERE client_id = ".$id);
 
-			exec('rm -f /tmp/id_rsa /tmp/id_rsa.pub');
+			$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')) file_put_contents($sshkeys, file_get_contents('/root/.ssh/authorized_keys'));
+			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);
+			$existing_keys = @file($sshkeys);
 			$new_keys = explode("\n", $userkey);
-			$final_keys_arr = array_merge($existing_keys, $new_keys);
+			$final_keys_arr = @array_merge($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){
@@ -423,26 +424,42 @@
 			$app->file->remove_blank_lines($sshkeys);
 			$this->app->log("ssh-rsa authorisation keyfile created in ".$sshkeys,LOGLEVEL_DEBUG);
 		}
-		if ($sshrsa != ''){
-			// Remove duplicate keys
-			$existing_keys = file($sshkeys);
-			$new_keys = explode("\n", $sshrsa);
-			$final_keys_arr = array_merge($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)));
+		//* Get the keys
+		$existing_keys = file($sshkeys);
+		$new_keys = explode("\n", $sshrsa);
+		$old_keys = explode("\n",$this->data['old']['ssh_rsa']);
 			
-			// add the custom key 
-			file_put_contents($sshkeys, $final_keys);
-			$app->file->remove_blank_lines($sshkeys);
-			$this->app->log("ssh-rsa key updated in ".$sshkeys,LOGLEVEL_DEBUG);
+		//* 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'])." ".$usrdir);
+		exec("chown -R ".escapeshellcmd($this->data['new']['puser']).":".escapeshellcmd($this->data['new']['pgroup'])." ".$sshdir);
+		exec("chmod 700 ".$sshdir);
 		exec("chmod 600 '$sshkeys'");
 		
 	}

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