From 4569cae57f127afd093794310ccd290d2d9fdf36 Mon Sep 17 00:00:00 2001
From: Marius Burkard <m.burkard@pixcept.de>
Date: Wed, 20 Apr 2016 10:58:46 -0400
Subject: [PATCH] Merge branch 'stable-3.1'

---
 server/plugins-available/nginx_plugin.inc.php |  341 ++++++++++++++++++++++++++++++++++++++++++++++----------
 1 files changed, 278 insertions(+), 63 deletions(-)

diff --git a/server/plugins-available/nginx_plugin.inc.php b/server/plugins-available/nginx_plugin.inc.php
index 7be49ce..46ad174 100644
--- a/server/plugins-available/nginx_plugin.inc.php
+++ b/server/plugins-available/nginx_plugin.inc.php
@@ -156,10 +156,10 @@
 
         [ req_distinguished_name ]
         C                      = ".trim($data['new']['ssl_country'])."
-        ST                     = ".trim($data['new']['ssl_state'])."
-        L                      = ".trim($data['new']['ssl_locality'])."
-        O                      = ".trim($data['new']['ssl_organisation'])."
-        OU                     = ".trim($data['new']['ssl_organisation_unit'])."
+        " . (trim($data['new']['ssl_state']) == '' ? '' : "ST                     = ".trim($data['new']['ssl_state'])) . "
+        " . (trim($data['new']['ssl_locality']) == '' ? '' : "L                      = ".trim($data['new']['ssl_locality']))."
+        " . (trim($data['new']['ssl_organisation']) == '' ? '' : "O                      = ".trim($data['new']['ssl_organisation']))."
+        " . (trim($data['new']['ssl_organisation_unit']) == '' ? '' : "OU                     = ".trim($data['new']['ssl_organisation_unit']))."
         CN                     = $domain
         emailAddress           = webmaster@".$data['new']['domain']."
 
@@ -219,6 +219,22 @@
 			$app->dbmaster->query("UPDATE web_domain SET ssl_action = '' WHERE domain = ?", $data['new']['domain']);
 		}
 
+		//* Check that the SSL key is not password protected
+		if($data["new"]["ssl_action"] == 'save') {
+			if(stristr($data["new"]["ssl_key"],'Proc-Type: 4,ENCRYPTED')) {
+				$data["new"]["ssl_action"] = '';
+			
+				$app->log('SSL Certificate not saved. The SSL key is encrypted.', LOGLEVEL_WARN);
+				$app->dbmaster->datalogError('SSL Certificate not saved. The SSL key is encrypted.');
+			
+				/* Update the DB of the (local) Server */
+				$app->db->query("UPDATE web_domain SET ssl_action = '' WHERE domain = ?", $data['new']['domain']);
+
+				/* Update also the master-DB of the Server-Farm */
+				$app->dbmaster->query("UPDATE web_domain SET ssl_action = '' WHERE domain = ?", $data['new']['domain']);
+			}
+		}
+		
 		//* Save a SSL certificate to disk
 		if($data["new"]["ssl_action"] == 'save') {
 			$this->ssl_certificate_changed = true;
@@ -372,6 +388,19 @@
 		$log_folder = 'log';
 		$old_web_folder = 'web';
 		$old_log_folder = 'log';
+		if($data['new']['type'] == 'vhost'){
+			if($data['new']['web_folder'] != ''){
+				if(substr($data['new']['web_folder'],0,1) == '/') $data['new']['web_folder'] = substr($data['new']['web_folder'],1);
+				if(substr($data['new']['web_folder'],-1) == '/') $data['new']['web_folder'] = substr($data['new']['web_folder'],0,-1);
+			}
+			$web_folder .= '/'.$data['new']['web_folder'];
+			
+			if($data['old']['web_folder'] != ''){
+				if(substr($data['old']['web_folder'],0,1) == '/') $data['old']['web_folder'] = substr($data['old']['web_folder'],1);
+				if(substr($data['old']['web_folder'],-1) == '/') $data['old']['web_folder'] = substr($data['old']['web_folder'],0,-1);
+			}
+			$old_web_folder .= '/'.$data['old']['web_folder'];
+		}
 		if($data['new']['type'] == 'vhostsubdomain' || $data['new']['type'] == 'vhostalias') {
 			// new one
 			$tmp = $app->db->queryOneRecord('SELECT `domain` FROM web_domain WHERE domain_id = ?', $data['new']['parent_domain_id']);
@@ -475,7 +504,6 @@
 				}
 				
 				//* Unmount the old log directory bfore we move the log dir
-				//exec('fuser -km '.escapeshellcmd($old_dir.'/log'));
 				exec('umount '.escapeshellcmd($old_dir.'/log'));
 
 				//* Create new base directory, if it does not exist yet
@@ -572,7 +600,8 @@
 			$app->system->chmod($data['new']['document_root'].'/'.$log_folder, 0755);
 			exec('mount --bind '.escapeshellarg('/var/log/ispconfig/httpd/'.$data['new']['domain']).' '.escapeshellarg($data['new']['document_root'].'/'.$log_folder));
 			//* add mountpoint to fstab
-			$fstab_line = '/var/log/ispconfig/httpd/'.$data['new']['domain'].' '.$data['new']['document_root'].'/'.$log_folder.'    none    bind,nobootwait,_netdev    0 0';
+			$fstab_line = '/var/log/ispconfig/httpd/'.$data['new']['domain'].' '.$data['new']['document_root'].'/'.$log_folder.'    none    bind,nobootwait';
+			$fstab_line .= @($web_config['network_filesystem'] == 'y')?',_netdev    0 0':'    0 0';
 			$app->system->replaceLine('/etc/fstab', $fstab_line, $fstab_line, 1, 1);
 		}
 
@@ -728,7 +757,7 @@
 		if($data['new']['type'] == 'vhost' && $web_config['security_level'] == 20) $app->system->add_user_to_group($groupname, escapeshellcmd($web_config['nginx_user']));
 
 		//* If the security level is set to high
-		if(($this->action == 'insert' && $data['new']['type'] == 'vhost') or ($web_config['set_folder_permissions_on_update'] == 'y' && $data['new']['type'] == 'vhost')) {
+		if(($this->action == 'insert' && $data['new']['type'] == 'vhost') or ($web_config['set_folder_permissions_on_update'] == 'y' && $data['new']['type'] == 'vhost') or ($web_folder != $old_web_folder && $data['new']['type'] == 'vhost')) {
 
 			$app->system->web_folder_protection($data['new']['document_root'], false);
 
@@ -742,6 +771,7 @@
 				//$app->system->chmod($data['new']['document_root'].'/webdav',0710);
 				$app->system->chmod($data['new']['document_root'].'/private', 0710);
 				$app->system->chmod($data['new']['document_root'].'/ssl', 0755);
+				if($web_folder != 'web') $app->system->chmod($data['new']['document_root'].'/'.$web_folder, 0751);
 
 				// make tmp directory writable for nginx and the website users
 				$app->system->chmod($data['new']['document_root'].'/tmp', 0770);
@@ -793,6 +823,11 @@
 				//$app->system->chgrp($data['new']['document_root'].'/webdav',$groupname);
 				$app->system->chown($data['new']['document_root'].'/private', $username);
 				$app->system->chgrp($data['new']['document_root'].'/private', $groupname);
+				
+				if($web_folder != 'web'){
+					$app->system->chown($data['new']['document_root'].'/'.$web_folder, $username);
+					$app->system->chgrp($data['new']['document_root'].'/'.$web_folder, $groupname);
+				}
 
 				// If the security Level is set to medium
 			} else {
@@ -802,6 +837,7 @@
 				//$app->system->chmod($data['new']['document_root'].'/webdav',0755);
 				$app->system->chmod($data['new']['document_root'].'/ssl', 0755);
 				$app->system->chmod($data['new']['document_root'].'/cgi-bin', 0755);
+				if($web_folder != 'web') $app->system->chmod($data['new']['document_root'].'/'.$web_folder, 0755);
 
 				// make temp directory writable for nginx and the website users
 				$app->system->chmod($data['new']['document_root'].'/tmp', 0770);
@@ -832,6 +868,11 @@
 				$app->system->chgrp($data['new']['document_root'].'/web/stats', $groupname);
 				//$app->system->chown($data['new']['document_root'].'/webdav',$username);
 				//$app->system->chgrp($data['new']['document_root'].'/webdav',$groupname);
+				
+				if($web_folder != 'web'){
+					$app->system->chown($data['new']['document_root'].'/'.$web_folder, $username);
+					$app->system->chgrp($data['new']['document_root'].'/'.$web_folder, $groupname);
+				}
 			}
 		} elseif((($data['new']['type'] == 'vhostsubdomain') || ($data['new']['type'] == 'vhostalias')) &&
 				 (($this->action == 'insert') || ($web_config['set_folder_permissions_on_update'] == 'y'))) {
@@ -864,42 +905,7 @@
 			$app->system->chown('/var/log/ispconfig/httpd/'.$data['new']['domain'].'/error.log', 'root');
 			$app->system->chgrp('/var/log/ispconfig/httpd/'.$data['new']['domain'].'/error.log', 'root');
 		}
-
-		// Change the ownership of the error log to the owner of the website
-		/*
-		if(!@is_file($data['new']['document_root'].'/log/error.log')) exec('touch '.escapeshellcmd($data['new']['document_root']).'/log/error.log');
-		$app->system->chown($data['new']['document_root'].'/log/error.log',$username);
-		$app->system->chgrp($data['new']['document_root'].'/log/error.log',$groupname);
-		*/
-
-
-		/*
-		//* Write the custom php.ini file, if custom_php_ini filed is not empty
-		$custom_php_ini_dir = $web_config['website_basedir'].'/conf/'.$data['new']['system_user'];
-		if(!is_dir($web_config['website_basedir'].'/conf')) mkdir($web_config['website_basedir'].'/conf');
-		if(trim($data['new']['custom_php_ini']) != '') {
-			$has_custom_php_ini = true;
-			if(!is_dir($custom_php_ini_dir)) $app->system->mkdirpath($custom_php_ini_dir);
-			$php_ini_content = '';
-			if($data['new']['php'] == 'mod') {
-				$master_php_ini_path = $web_config['php_ini_path_apache'];
-			} else {
-				if($data["new"]['php'] == 'fast-cgi' && file_exists($fastcgi_config["fastcgi_phpini_path"])) {
-					$master_php_ini_path = $fastcgi_config["fastcgi_phpini_path"];
-				} else {
-					$master_php_ini_path = $web_config['php_ini_path_cgi'];
-				}
-			}
-			if($master_php_ini_path != '' && substr($master_php_ini_path,-7) == 'php.ini' && is_file($master_php_ini_path)) {
-				$php_ini_content .= $app->system->file_get_contents($master_php_ini_path)."\n";
-			}
-			$php_ini_content .= str_replace("\r",'',trim($data['new']['custom_php_ini']));
-			$app->system->file_put_contents($custom_php_ini_dir.'/php.ini',$php_ini_content);
-		} else {
-			$has_custom_php_ini = false;
-			if(is_file($custom_php_ini_dir.'/php.ini')) $app->system->unlink($custom_php_ini_dir.'/php.ini');
-		}
-		*/
+		
 
 		//* Create the vhost config file
 		$app->load('tpl');
@@ -952,7 +958,7 @@
 			$default_php_fpm = true;
 		}
 		*/
-		if($data['new']['php'] == 'php-fpm'){
+		if($data['new']['php'] == 'php-fpm' || $data['new']['php'] == 'hhvm'){
 			if(trim($data['new']['fastcgi_php_version']) != ''){
 				$default_php_fpm = false;
 				list($custom_php_fpm_name, $custom_php_fpm_init_script, $custom_php_fpm_ini_dir, $custom_php_fpm_pool_dir) = explode(':', trim($data['new']['fastcgi_php_version']));
@@ -1127,12 +1133,70 @@
 			$nginx_directives = $data['new']['nginx_directives'];
 			$vhost_data['enable_pagespeed'] = false;
 		}
+		
+		// folder_directive_snippets
+		if(trim($data['new']['folder_directive_snippets']) != ''){
+			$data['new']['folder_directive_snippets'] = trim($data['new']['folder_directive_snippets']);
+			$data['new']['folder_directive_snippets'] = str_replace("\r\n", "\n", $data['new']['folder_directive_snippets']);
+			$data['new']['folder_directive_snippets'] = str_replace("\r", "\n", $data['new']['folder_directive_snippets']);
+			$folder_directive_snippets_lines = explode("\n", $data['new']['folder_directive_snippets']);
+			
+			if(is_array($folder_directive_snippets_lines) && !empty($folder_directive_snippets_lines)){
+				foreach($folder_directive_snippets_lines as $folder_directive_snippets_line){
+					list($folder_directive_snippets_folder, $folder_directive_snippets_snippets_id) = explode(':', $folder_directive_snippets_line);
+					
+					$folder_directive_snippets_folder = trim($folder_directive_snippets_folder);
+					$folder_directive_snippets_snippets_id = trim($folder_directive_snippets_snippets_id);
+					
+					if($folder_directive_snippets_folder  != '' && intval($folder_directive_snippets_snippets_id) > 0 && preg_match('@^((?!(.*\.\.)|(.*\./)|(.*//))[^/][\w/_\.\-]{1,100})?$@', $folder_directive_snippets_folder)){
+						if(substr($folder_directive_snippets_folder, -1) != '/') $folder_directive_snippets_folder .= '/';
+						if(substr($folder_directive_snippets_folder, 0, 1) == '/') $folder_directive_snippets_folder = substr($folder_directive_snippets_folder, 1);
+						
+						$master_snippet = $app->db->queryOneRecord("SELECT * FROM directive_snippets WHERE directive_snippets_id = ? AND type = 'nginx' AND active = 'y' AND customer_viewable = 'y'", intval($folder_directive_snippets_snippets_id));
+						if(isset($master_snippet['snippet'])){
+							$folder_directive_snippets_trans = array('{FOLDER}' => $folder_directive_snippets_folder, '{FOLDERMD5}' => md5($folder_directive_snippets_folder));
+							$master_snippet['snippet'] = strtr($master_snippet['snippet'], $folder_directive_snippets_trans);
+							$nginx_directives .= "\n\n".$master_snippet['snippet'];
+							
+							// create folder it it does not exist
+							if(!is_dir($data['new']['document_root'].'/' . $web_folder.$folder_directive_snippets_folder)){
+								$app->system->mkdirpath($data['new']['document_root'].'/' . $web_folder.$folder_directive_snippets_folder);
+								$app->system->chown($data['new']['document_root'].'/' . $web_folder.$folder_directive_snippets_folder, $username);
+								$app->system->chgrp($data['new']['document_root'].'/' . $web_folder.$folder_directive_snippets_folder, $groupname);
+							}
+						}
+					}
+				}
+			}
+		}
+		
+		// use vLib for template logic
+		if(trim($nginx_directives) != '') {
+			$nginx_directives_new = '';
+			$ngx_conf_tpl = new tpl();
+			$ngx_conf_tpl_tmp_file = tempnam($conf['temppath'], "ngx");
+			file_put_contents($ngx_conf_tpl_tmp_file, $nginx_directives);
+			$ngx_conf_tpl->newTemplate($ngx_conf_tpl_tmp_file);
+			$ngx_conf_tpl->setVar('use_tcp', $use_tcp);
+			$ngx_conf_tpl->setVar('use_socket', $use_socket);
+			$ngx_conf_tpl->setVar('fpm_socket', $fpm_socket);
+			$ngx_conf_tpl->setVar($vhost_data);
+			$nginx_directives_new = $ngx_conf_tpl->grab();
+			if(is_file($ngx_conf_tpl_tmp_file)) unlink($ngx_conf_tpl_tmp_file);
+			if($nginx_directives_new != '') $nginx_directives = $nginx_directives_new;
+			unset($nginx_directives_new);
+		}
+		
 		// Make sure we only have Unix linebreaks
 		$nginx_directives = str_replace("\r\n", "\n", $nginx_directives);
 		$nginx_directives = str_replace("\r", "\n", $nginx_directives);
 		$nginx_directive_lines = explode("\n", $nginx_directives);
 		if(is_array($nginx_directive_lines) && !empty($nginx_directive_lines)){
-			$trans = array('{DOCROOT}' => $vhost_data['web_document_root_www'], '{FASTCGIPASS}' => 'fastcgi_pass '.($data['new']['php_fpm_use_socket'] == 'y'? 'unix:'.$fpm_socket : '127.0.0.1:'.$vhost_data['fpm_port']).';');
+			$trans = array(
+				'{DOCROOT}' => $vhost_data['web_document_root_www'],
+				'{DOCROOT_CLIENT}' => $vhost_data['web_document_root'],
+				'{FASTCGIPASS}' => 'fastcgi_pass '.($data['new']['php_fpm_use_socket'] == 'y'? 'unix:'.$fpm_socket : '127.0.0.1:'.$vhost_data['fpm_port']).';'
+			);
 			foreach($nginx_directive_lines as $nginx_directive_line){
 				$final_nginx_directives[] = array('nginx_directive' => strtr($nginx_directive_line, $trans));
 			}
@@ -1141,9 +1205,136 @@
 
 		// Check if a SSL cert exists
 		$ssl_dir = $data['new']['document_root'].'/ssl';
+		if(!isset($data['new']['ssl_domain']) OR empty($data['new']['ssl_domain'])) { $data['new']['ssl_domain'] = $data['new']['domain']; }
 		$domain = $data['new']['ssl_domain'];
+		if(!$domain) $domain = $data['new']['domain'];
+		$tpl->setVar('ssl_domain', $domain);
 		$key_file = $ssl_dir.'/'.$domain.'.key';
 		$crt_file = $ssl_dir.'/'.$domain.'.crt';
+
+
+		$tpl->setVar('ssl_letsencrypt', "n");
+		
+		if($data['new']['ssl'] == 'y' && $data['new']['ssl_letsencrypt'] == 'y') {
+			//* be sure to have good domain
+			if(substr($domain, 0, 2) === '*.') {
+				// wildcard domain not yet supported by letsencrypt!
+				$app->log('Wildcard domains not yet supported by letsencrypt, so changing ' . $domain . ' to ' . substr($domain, 2), LOGLEVEL_WARN);
+				$domain = substr($domain, 2);
+			}
+
+			$data['new']['ssl_domain'] = $domain;
+			$vhost_data['ssl_domain'] = $domain;
+		}
+		
+		//* Generate Let's Encrypt SSL certificat
+		if($data['new']['ssl'] == 'y' && $data['new']['ssl_letsencrypt'] == 'y' && ( // ssl and let's encrypt is active
+			($data['old']['ssl'] == 'n' || $data['old']['ssl_letsencrypt'] == 'n') // we have new let's encrypt configuration
+			|| ($data['old']['domain'] != $data['new']['domain']) // we have domain update
+			|| ($data['old']['subdomain'] != $data['new']['subdomain']) // we have new or update on "auto" subdomain
+			|| ($data['new']['type'] == 'subdomain') // we have new or update on subdomain
+			|| ($data['old']['type'] == 'alias' || $data['new']['type'] == 'alias') // we have new or update on alias domain
+		)) {
+			// default values
+			$temp_domains = array();
+			$lddomain     = $domain;
+			$subdomains   = null;
+			$aliasdomains = null;
+			$sub_prefixes = array();
+
+ 			//* be sure to have good domain
+ 			if($data['new']['subdomain'] == "www" OR $data['new']['subdomain'] == "*") {
+				$temp_domains[] = "www." . $domain;
+			}
+
+			//* then, add subdomain if we have
+			$subdomains = $app->db->queryAllRecords('SELECT domain FROM web_domain WHERE parent_domain_id = '.intval($data['new']['domain_id'])." AND active = 'y' AND type = 'subdomain'");
+			if(is_array($subdomains)) {
+				foreach($subdomains as $subdomain) {
+					$temp_domains[] = $subdomain['domain'];
+					$sub_prefixes[] = str_replace($domain, "", $subdomain['domain']);
+				}
+ 			}
+
+			//* then, add alias domain if we have
+			$aliasdomains = $app->db->queryAllRecords('SELECT domain,subdomain FROM web_domain WHERE parent_domain_id = '.intval($data['new']['domain_id'])." AND active = 'y' AND type = 'alias'");
+			if(is_array($aliasdomains)) {
+				foreach($aliasdomains as $aliasdomain) {
+					$temp_domains[] = $aliasdomain['domain'];
+					if(isset($aliasdomain['subdomain']) && ! empty($aliasdomain['subdomain'])) {
+						$temp_domains[] = $aliasdomain['subdomain'] . "." . $aliasdomain['domain'];
+					}
+					
+					foreach($sub_prefixes as $s) {
+						$temp_domains[] = $s . $aliasdomain['domain'];
+					}
+				}
+			}
+
+			// prevent duplicate
+			$temp_domains = array_unique($temp_domains);
+
+			// generate cli format
+			foreach($temp_domains as $temp_domain) {
+				$lddomain .= (string) " --domains " . $temp_domain;
+			}
+
+			// useless data
+			unset($subdomains);
+			unset($temp_domains);
+
+			$tpl->setVar('ssl_letsencrypt', "y");
+			//* TODO: check dns entry is correct
+			$crt_tmp_file = "/etc/letsencrypt/live/".$domain."/fullchain.pem";
+			$key_tmp_file = "/etc/letsencrypt/live/".$domain."/privkey.pem";
+			$webroot = $data['new']['document_root']."/web";
+
+			//* check if we have already a Let's Encrypt cert
+			if(!file_exists($crt_tmp_file) && !file_exists($key_tmp_file)) {
+				$app->log("Create Let's Encrypt SSL Cert for: $domain", LOGLEVEL_DEBUG);
+
+				if(file_exists("/root/.local/share/letsencrypt/bin/letsencrypt")) {
+					$this->_exec("/root/.local/share/letsencrypt/bin/letsencrypt auth --text --agree-tos --authenticator webroot --server https://acme-v01.api.letsencrypt.org/directory --rsa-key-size 4096 --email postmaster@$domain --domains $lddomain --webroot-path /usr/local/ispconfig/interface/acme");
+				}
+			};
+
+			//* check is been correctly created
+			if(file_exists($crt_tmp_file) OR file_exists($key_tmp_file)) {
+				$date = date("YmdHis");
+				//* TODO: check if is a symlink, if target same keep it, either remove it
+				if(is_file($key_file)) {
+					$app->system->copy($key_file, $key_file.'.old.'.$date);
+					$app->system->chmod($key_file.'.old.'.$date, 0400);
+					$app->system->unlink($key_file);
+				}
+
+				if ($web_config["website_symlinks_rel"] == 'y') {
+					$this->create_relative_link(escapeshellcmd($key_tmp_file), escapeshellcmd($key_file));
+				} else {
+					exec("ln -s ".escapeshellcmd($key_tmp_file)." ".escapeshellcmd($key_file));
+				}
+
+				if(is_file($crt_file)) {
+					$app->system->copy($crt_file, $crt_file.'.old.'.$date);
+					$app->system->chmod($crt_file.'.old.'.$date, 0400);
+					$app->system->unlink($crt_file);
+				}
+
+				if($web_config["website_symlinks_rel"] == 'y') {
+					$this->create_relative_link(escapeshellcmd($crt_tmp_file), escapeshellcmd($crt_file));
+				} else {
+					exec("ln -s ".escapeshellcmd($crt_tmp_file)." ".escapeshellcmd($crt_file));
+				}
+
+				/* we don't need to store it.
+				/* Update the DB of the (local) Server */
+				$app->db->query("UPDATE web_domain SET ssl_request = '', ssl_cert = '', ssl_key = '' WHERE domain = '".$data['new']['domain']."'");
+				$app->db->query("UPDATE web_domain SET ssl_action = '' WHERE domain = '".$data['new']['domain']."'");
+				/* Update also the master-DB of the Server-Farm */
+				$app->dbmaster->query("UPDATE web_domain SET ssl_request = '', ssl_cert = '', ssl_key = '' WHERE domain = '".$data['new']['domain']."'");
+				$app->dbmaster->query("UPDATE web_domain SET ssl_action = '' WHERE domain = '".$data['new']['domain']."'");
+			}
+		};
 
 		if($domain!='' && $data['new']['ssl'] == 'y' && @is_file($crt_file) && @is_file($key_file) && (@filesize($crt_file)>0)  && (@filesize($key_file)>0)) {
 			$vhost_data['ssl_enabled'] = 1;
@@ -1354,6 +1545,18 @@
 					'use_rewrite' => ($data['new']['redirect_type'] == 'proxy' ? false:true),
 					'use_proxy' => ($data['new']['redirect_type'] == 'proxy' ? true:false));
 			}
+		}
+		
+		// http2 or spdy?
+		$vhost_data['enable_http2']  = 'n';
+		if($vhost_data['enable_spdy'] == 'y'){
+			// check if nginx support http_v2; if so, use that instead of spdy
+			exec("2>&1 nginx -V | tr -- - '\n' | grep http_v2_module", $tmp_output, $tmp_retval);
+			if($tmp_retval == 0){
+				$vhost_data['enable_http2']  = 'y';
+				$vhost_data['enable_spdy'] = 'n';
+			}
+			unset($tmp_output, $tmp_retval);
 		}
 
 		$tpl->setVar($vhost_data);
@@ -2021,6 +2224,7 @@
 					$this->php_fpm_pool_delete($data, $web_config);
 				} elseif($data['old']['php'] == 'hhvm') {
 					$this->hhvm_update($data, $web_config);
+					$this->php_fpm_pool_delete($data, $web_config);
 				}
 
 				//remove the php cgi starter script if available
@@ -2391,7 +2595,7 @@
 			$monit_content = file_get_contents($conf['rootpath'] . '/conf/hhvm_monit.master');
 		}
 		
-		if($data['new']['php'] == 'hhvm' && $data['old']['php'] != 'hhvm' || $data['new']['custom_php_ini'] != $data['old']['custom_php_ini']) {
+		if($data['new']['php'] == 'hhvm' && $data['old']['php'] != 'hhvm' || (isset($data['old']['custom_php_ini']) && isset($data['new']['custom_php_ini']) && $data['new']['custom_php_ini'] != $data['old']['custom_php_ini'])) {
 
 			// Custom php.ini settings
 			$custom_php_ini_settings = trim($data['new']['custom_php_ini']);
@@ -2403,7 +2607,7 @@
 						foreach($required_php_snippets as $required_php_snippet){
 							$required_php_snippet = intval($required_php_snippet);
 							if($required_php_snippet > 0){
-								$php_snippet = $app->db->queryOneRecord("SELECT * FROM directive_snippets WHERE directive_snippets_id = ? AND type = 'php' AND active = 'y'", $required_php_snippet);
+								$php_snippet = $app->db->queryOneRecord("SELECT * FROM directive_snippets WHERE ".($snippet['master_directive_snippets_id'] > 0 ? 'master_' : '')."directive_snippets_id = ? AND type = 'php' AND active = 'y'", $required_php_snippet);
 								$php_snippet['snippet'] = trim($php_snippet['snippet']);
 								if($php_snippet['snippet'] != ''){
 									$custom_php_ini_settings .= "\n".$php_snippet['snippet'];
@@ -2413,13 +2617,14 @@
 					}
 				}
 			}
+			
 			if($custom_php_ini_settings != ''){
 				// Make sure we only have Unix linebreaks
 				$custom_php_ini_settings = str_replace("\r\n", "\n", $custom_php_ini_settings);
 				$custom_php_ini_settings = str_replace("\r", "\n", $custom_php_ini_settings);
 				file_put_contents('/etc/hhvm/'.$data['new']['system_user'].'.ini', $custom_php_ini_settings);
 			} else {
-				if(is_file('/etc/hhvm/'.$data['old']['system_user'].'.ini')) unlink('/etc/hhvm/'.$data['old']['system_user'].'.ini');
+				if($data['old']['system_user'] != '' && is_file('/etc/hhvm/'.$data['old']['system_user'].'.ini')) unlink('/etc/hhvm/'.$data['old']['system_user'].'.ini');
 			}
 		
 			$content = str_replace('{SYSTEM_USER}', $data['new']['system_user'], $content);
@@ -2436,17 +2641,19 @@
 			}
 			
  		} elseif($data['new']['php'] != 'hhvm' && $data['old']['php'] == 'hhvm') {
-			exec('/etc/init.d/hhvm_' . $data['old']['system_user'] . ' stop >/dev/null 2>&1');
-			exec('/usr/sbin/update-rc.d hhvm_' . $data['old']['system_user'] . ' remove >/dev/null 2>&1');
-			unlink('/etc/init.d/hhvm_' . $data['old']['system_user']);
-			if(is_file('/etc/hhvm/'.$data['old']['system_user'].'.ini')) unlink('/etc/hhvm/'.$data['old']['system_user'].'.ini');
+			if($data['old']['system_user'] != ''){
+				exec('/etc/init.d/hhvm_' . $data['old']['system_user'] . ' stop >/dev/null 2>&1');
+				exec('/usr/sbin/update-rc.d hhvm_' . $data['old']['system_user'] . ' remove >/dev/null 2>&1');
+				unlink('/etc/init.d/hhvm_' . $data['old']['system_user']);
+				if(is_file('/etc/hhvm/'.$data['old']['system_user'].'.ini')) unlink('/etc/hhvm/'.$data['old']['system_user'].'.ini');
+			}
 			
-			if(is_file('/etc/monit/conf.d/hhvm_' . $data['new']['system_user']) || is_file('/etc/monit/conf.d/00-hhvm_' . $data['new']['system_user'])){
-				if(is_file('/etc/monit/conf.d/hhvm_' . $data['new']['system_user'])){
-					unlink('/etc/monit/conf.d/hhvm_' . $data['new']['system_user']);
+			if(is_file('/etc/monit/conf.d/hhvm_' . $data['old']['system_user']) || is_file('/etc/monit/conf.d/00-hhvm_' . $data['old']['system_user'])){
+				if(is_file('/etc/monit/conf.d/hhvm_' . $data['old']['system_user'])){
+					unlink('/etc/monit/conf.d/hhvm_' . $data['old']['system_user']);
 				}
-				if(is_file('/etc/monit/conf.d/00-hhvm_' . $data['new']['system_user'])){
-					unlink('/etc/monit/conf.d/00-hhvm_' . $data['new']['system_user']);
+				if(is_file('/etc/monit/conf.d/00-hhvm_' . $data['old']['system_user'])){
+					unlink('/etc/monit/conf.d/00-hhvm_' . $data['old']['system_user']);
 				}
 				exec('/etc/init.d/monit restart >/dev/null 2>&1');
 			}
@@ -2466,7 +2673,8 @@
 			$default_php_fpm = true;
 		}
 		*/
-		if($data['new']['php'] == 'php-fpm'){
+		// HHVM => PHP-FPM-Fallback
+		if($data['new']['php'] == 'php-fpm' || $data['new']['php'] == 'hhvm'){
 			if(trim($data['new']['fastcgi_php_version']) != ''){
 				$default_php_fpm = false;
 				list($custom_php_fpm_name, $custom_php_fpm_init_script, $custom_php_fpm_ini_dir, $custom_php_fpm_pool_dir) = explode(':', trim($data['new']['fastcgi_php_version']));
@@ -2487,7 +2695,8 @@
 		$app->uses("getconf");
 		$web_config = $app->getconf->get_server_config($conf["server_id"], 'web');
 
-		if($data['new']['php'] != 'php-fpm'){
+		// HHVM => PHP-FPM-Fallback
+		if($data['new']['php'] != 'php-fpm' && $data['new']['php'] != 'hhvm'){
 			if(@is_file($pool_dir.$pool_name.'.conf')){
 				$app->system->unlink($pool_dir.$pool_name.'.conf');
 				//$reload = true;
@@ -2555,7 +2764,7 @@
 					foreach($required_php_snippets as $required_php_snippet){
 						$required_php_snippet = intval($required_php_snippet);
 						if($required_php_snippet > 0){
-							$php_snippet = $app->db->queryOneRecord("SELECT * FROM directive_snippets WHERE directive_snippets_id = ? AND type = 'php' AND active = 'y'", $required_php_snippet);
+							$php_snippet = $app->db->queryOneRecord("SELECT * FROM directive_snippets WHERE ".($snippet['master_directive_snippets_id'] > 0 ? 'master_' : '')."directive_snippets_id = ? AND type = 'php' AND active = 'y'", $required_php_snippet);
 							$php_snippet['snippet'] = trim($php_snippet['snippet']);
 							if($php_snippet['snippet'] != ''){
 								$custom_php_ini_settings .= "\n".$php_snippet['snippet'];
@@ -2566,6 +2775,7 @@
 			}
 		}
 		
+		$custom_session_save_path = false;
 		if($custom_php_ini_settings != ''){
 			// Make sure we only have Unix linebreaks
 			$custom_php_ini_settings = str_replace("\r\n", "\n", $custom_php_ini_settings);
@@ -2581,6 +2791,7 @@
 					$value = trim($value);
 					if($value != ''){
 						$key = trim($key);
+						if($key == 'session.save_path') $custom_session_save_path = true;
 						switch (strtolower($value)) {
 						case '0':
 							// PHP-FPM might complain about invalid boolean value if you use 0
@@ -2601,6 +2812,8 @@
 				}
 			}
 		}
+
+		$tpl->setVar('custom_session_save_path', ($custom_session_save_path ? 'y' : 'n'));
 
 		$tpl->setLoop('custom_php_ini_settings', $final_php_ini_settings);
 
@@ -2797,13 +3010,15 @@
 				} else {
 
 					if($islocation){
-						if(strpos($l, '{') !== false){
+						$openingbracketpos = strrpos($l, '{');
+						if($openingbracketpos !== false){
 							$level += 1;
 						}
-						if(strpos($l, '}') !== false && $level > 0){
+						$closingbracketpos = strrpos($l, '}');
+						if($closingbracketpos !== false && $level > 0 && $closingbracketpos >= intval($openingbracketpos)){
 							$level -= 1;
 							$locations[$location]['location'] .= $lines[$i]."\n";
-						} elseif(strpos($l, '}') !== false && $level == 0){
+						} elseif($closingbracketpos !== false && $level == 0 && $closingbracketpos >= intval($openingbracketpos)){
 							$islocation = false;
 						} else {
 							$locations[$location]['location'] .= $lines[$i]."\n";

--
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