From 018c55dd71b17a2db9dc2d5cd21cb44a4963dda5 Mon Sep 17 00:00:00 2001
From: Marius Cramer <m.cramer@pixcept.de>
Date: Tue, 08 Dec 2015 10:09:46 -0500
Subject: [PATCH] - Merged https://github.com/alexalouit/ISPConfig-letsencrypt.git

---
 server/plugins-available/nginx_plugin.inc.php |  178 +++++++++++++++++++++++++++++++++++++++++++++++++++--------
 1 files changed, 153 insertions(+), 25 deletions(-)

diff --git a/server/plugins-available/nginx_plugin.inc.php b/server/plugins-available/nginx_plugin.inc.php
index 6c8c0d8..fb2329a 100644
--- a/server/plugins-available/nginx_plugin.inc.php
+++ b/server/plugins-available/nginx_plugin.inc.php
@@ -147,6 +147,7 @@
 
         [ req ]
         default_bits           = 2048
+		default_md             = sha256
         default_keyfile        = keyfile.pem
         distinguished_name     = req_distinguished_name
         attributes             = req_attributes
@@ -170,30 +171,34 @@
 
 			$rand_file = escapeshellcmd($rand_file);
 			$key_file = escapeshellcmd($key_file);
+			$openssl_cmd_key_file = $key_file;
 			if(substr($domain, 0, 2) == '*.' && strpos($key_file, '/ssl/\*.') !== false) $key_file = str_replace('/ssl/\*.', '/ssl/*.', $key_file); // wildcard certificate
 			$key_file2 = escapeshellcmd($key_file2);
+			$openssl_cmd_key_file2 = $key_file2;
 			if(substr($domain, 0, 2) == '*.' && strpos($key_file2, '/ssl/\*.') !== false) $key_file2 = str_replace('/ssl/\*.', '/ssl/*.', $key_file2); // wildcard certificate
 			$ssl_days = 3650;
 			$csr_file = escapeshellcmd($csr_file);
+			$openssl_cmd_csr_file = $csr_file;
 			if(substr($domain, 0, 2) == '*.' && strpos($csr_file, '/ssl/\*.') !== false) $csr_file = str_replace('/ssl/\*.', '/ssl/*.', $csr_file); // wildcard certificate
 			$config_file = escapeshellcmd($ssl_cnf_file);
 			$crt_file = escapeshellcmd($crt_file);
+			$openssl_cmd_crt_file = $crt_file;
 			if(substr($domain, 0, 2) == '*.' && strpos($crt_file, '/ssl/\*.') !== false) $crt_file = str_replace('/ssl/\*.', '/ssl/*.', $crt_file); // wildcard certificate
 
 			if(is_file($ssl_cnf_file) && !is_link($ssl_cnf_file)) {
 
-				exec("openssl genrsa -des3 -rand $rand_file -passout pass:$ssl_password -out $key_file 2048");
-				exec("openssl req -new -passin pass:$ssl_password -passout pass:$ssl_password -key $key_file -out $csr_file -days $ssl_days -config $config_file");
-				exec("openssl rsa -passin pass:$ssl_password -in $key_file -out $key_file2");
+				exec("openssl genrsa -des3 -rand $rand_file -passout pass:$ssl_password -out $openssl_cmd_key_file 2048");
+				exec("openssl req -new -sha256 -passin pass:$ssl_password -passout pass:$ssl_password -key $openssl_cmd_key_file -out $openssl_cmd_csr_file -days $ssl_days -config $config_file");
+				exec("openssl rsa -passin pass:$ssl_password -in $openssl_cmd_key_file -out $openssl_cmd_key_file2");
 
 				if(file_exists($web_config['CA_path'].'/openssl.cnf'))
 				{
-					exec("openssl ca -batch -out $crt_file -config ".$web_config['CA_path']."/openssl.cnf -passin pass:".$web_config['CA_pass']." -in $csr_file");
+					exec("openssl ca -batch -out $openssl_cmd_crt_file -config ".$web_config['CA_path']."/openssl.cnf -passin pass:".$web_config['CA_pass']." -in $openssl_cmd_csr_file");
 					$app->log("Creating CA-signed SSL Cert for: $domain", LOGLEVEL_DEBUG);
-					if (filesize($crt_file)==0 || !file_exists($crt_file)) $app->log("CA-Certificate signing failed.  openssl ca -out $crt_file -config ".$web_config['CA_path']."/openssl.cnf -passin pass:".$web_config['CA_pass']." -in $csr_file", LOGLEVEL_ERROR);
+					if (filesize($crt_file)==0 || !file_exists($crt_file)) $app->log("CA-Certificate signing failed.  openssl ca -out $openssl_cmd_crt_file -config ".$web_config['CA_path']."/openssl.cnf -passin pass:".$web_config['CA_pass']." -in $openssl_cmd_csr_file", LOGLEVEL_ERROR);
 				};
 				if (@filesize($crt_file)==0 || !file_exists($crt_file)){
-					exec("openssl req -x509 -passin pass:$ssl_password -passout pass:$ssl_password -key $key_file -in $csr_file -out $crt_file -days $ssl_days -config $config_file ");
+					exec("openssl req -x509 -passin pass:$ssl_password -passout pass:$ssl_password -key $openssl_cmd_key_file -in $openssl_cmd_csr_file -out $openssl_cmd_crt_file -days $ssl_days -config $config_file ");
 					$app->log("Creating self-signed SSL Cert for: $domain", LOGLEVEL_DEBUG);
 				};
 
@@ -274,7 +279,7 @@
 			//$bundle_file = $ssl_dir.'/'.$domain.'.bundle';
 			if(file_exists($web_config['CA_path'].'/openssl.cnf') && !is_link($web_config['CA_path'].'/openssl.cnf'))
 			{
-				exec("openssl ca -batch -config ".$web_config['CA_path']."/openssl.cnf -passin pass:".$web_config['CA_pass']." -revoke $crt_file");
+				exec("openssl ca -batch -config ".$web_config['CA_path']."/openssl.cnf -passin pass:".$web_config['CA_pass']." -revoke ".escapeshellcmd($crt_file));
 				$app->log("Revoking CA-signed SSL Cert for: $domain", LOGLEVEL_DEBUG);
 			};
 			$app->system->unlink($csr_file);
@@ -351,10 +356,13 @@
 			if($data['new']['type'] == 'vhost' || $data['new']['type'] == 'vhostsubdomain') $app->log('document_root not set', LOGLEVEL_WARN);
 			return 0;
 		}
-		if($data['new']['system_user'] == 'root' or $data['new']['system_group'] == 'root') {
-			$app->log('Websites cannot be owned by the root user or group.', LOGLEVEL_WARN);
+
+		if($app->system->is_allowed_user($data['new']['system_user'], $app->system->is_user($data['new']['system_user']), true) == false
+			|| $app->system->is_allowed_group($data['new']['system_group'], $app->system->is_group($data['new']['system_group']), true) == false) {
+			$app->log('Websites cannot be owned by the root user or group. User: '.$data['new']['system_user'].' Group: '.$data['new']['system_group'], LOGLEVEL_WARN);
 			return 0;
 		}
+
 		if(trim($data['new']['domain']) == '') {
 			$app->log('domain is empty', LOGLEVEL_WARN);
 			return 0;
@@ -362,13 +370,26 @@
 
 		$web_folder = 'web';
 		$log_folder = 'log';
+		$old_web_folder = 'web';
+		$old_log_folder = 'log';
 		if($data['new']['type'] == 'vhostsubdomain') {
+			// new one
 			$tmp = $app->db->queryOneRecord('SELECT `domain` FROM web_domain WHERE domain_id = '.intval($data['new']['parent_domain_id']));
 			$subdomain_host = preg_replace('/^(.*)\.' . preg_quote($tmp['domain'], '/') . '$/', '$1', $data['new']['domain']);
 			if($subdomain_host == '') $subdomain_host = 'web'.$data['new']['domain_id'];
 			$web_folder = $data['new']['web_folder'];
 			$log_folder .= '/' . $subdomain_host;
 			unset($tmp);
+			
+			if(isset($data['old']['parent_domain_id'])) {
+				// old one
+				$tmp = $app->db->queryOneRecord('SELECT `domain` FROM web_domain WHERE domain_id = '.intval($data['old']['parent_domain_id']));
+				$subdomain_host = preg_replace('/^(.*)\.' . preg_quote($tmp['domain'], '/') . '$/', '$1', $data['old']['domain']);
+				if($subdomain_host == '') $subdomain_host = 'web'.$data['old']['domain_id'];
+				$old_web_folder = $data['old']['web_folder'];
+				$old_log_folder .= '/' . $subdomain_host;
+				unset($tmp);
+			}
 		}
 
 		// Create group and user, if not exist
@@ -452,6 +473,9 @@
 					$app->system->rename($data['new']['document_root'], $data['new']['document_root'].'_bak_'.date('Y_m_d_H_i_s'));
 					$app->log('Renaming existing directory in new docroot location. mv '.$data['new']['document_root'].' '.$data['new']['document_root'].'_bak_'.date('Y_m_d_H_i_s'), LOGLEVEL_DEBUG);
 				}
+				
+				//* Unmount the old log directory bfore we move the log dir
+				exec('umount '.escapeshellcmd($old_dir.'/log'));
 
 				//* Create new base directory, if it does not exist yet
 				if(!is_dir($new_dir)) $app->system->mkdirpath($new_dir);
@@ -477,12 +501,26 @@
 			if($nginx_chrooted) $this->_exec('chroot '.escapeshellcmd($web_config['website_basedir']).' '.$command);
 
 			//* Change the log mount
-			$fstab_line = '/var/log/ispconfig/httpd/'.$data['old']['domain'].' '.$data['old']['document_root'].'/'.$log_folder.'    none    bind';
+			/*
+			$fstab_line = '/var/log/ispconfig/httpd/'.$data['old']['domain'].' '.$data['old']['document_root'].'/'.$old_log_folder.'    none    bind';
 			$app->system->removeLine('/etc/fstab', $fstab_line);
-			$fstab_line = '/var/log/ispconfig/httpd/'.$data['old']['domain'].' '.$data['old']['document_root'].'/'.$log_folder.'    none    bind,nobootwait';
+			$fstab_line = '/var/log/ispconfig/httpd/'.$data['old']['domain'].' '.$data['old']['document_root'].'/'.$old_log_folder.'    none    bind,nobootwait';
 			$app->system->removeLine('/etc/fstab', $fstab_line);
-			$fstab_line = '/var/log/ispconfig/httpd/'.$data['new']['domain'].' '.$data['new']['document_root'].'/'.$log_folder.'    none    bind,nobootwait,_netdev    0 0';
-			$app->system->replaceLine('/etc/fstab', $fstab_line, $fstab_line, 1, 1);
+			$fstab_line = '/var/log/ispconfig/httpd/'.$data['old']['domain'].' '.$data['old']['document_root'].'/'.$old_log_folder.'    none    bind,nobootwait';
+			$app->system->removeLine('/etc/fstab', $fstab_line);
+			*/
+			
+			$fstab_line_old = '/var/log/ispconfig/httpd/'.$data['old']['domain'].' '.$data['old']['document_root'].'/'.$old_log_folder.'    none    bind';
+			
+			if($web_config['network_filesystem'] == 'y') {
+				$fstab_line = '/var/log/ispconfig/httpd/'.$data['new']['domain'].' '.$data['new']['document_root'].'/'.$log_folder.'    none    bind,nobootwait,_netdev    0 0';
+				$app->system->replaceLine('/etc/fstab', $fstab_line_old, $fstab_line, 0, 1);
+			} else {
+				$fstab_line = '/var/log/ispconfig/httpd/'.$data['new']['domain'].' '.$data['new']['document_root'].'/'.$log_folder.'    none    bind,nobootwait    0 0';
+				$app->system->replaceLine('/etc/fstab', $fstab_line_old, $fstab_line, 0, 1);
+			}
+			
+			exec('mount --bind '.escapeshellarg('/var/log/ispconfig/httpd/'.$data['new']['domain']).' '.escapeshellarg($data['new']['document_root'].'/'.$log_folder));
 
 		}
 
@@ -511,14 +549,14 @@
 		// Remove the symlink for the site, if site is renamed
 		if($this->action == 'update' && $data['old']['domain'] != '' && $data['new']['domain'] != $data['old']['domain']) {
 			if(is_dir('/var/log/ispconfig/httpd/'.$data['old']['domain'])) exec('rm -rf /var/log/ispconfig/httpd/'.$data['old']['domain']);
-			if(is_link($data['old']['document_root'].'/'.$log_folder)) $app->system->unlink($data['old']['document_root'].'/'.$log_folder);
+			if(is_link($data['old']['document_root'].'/'.$old_log_folder)) $app->system->unlink($data['old']['document_root'].'/'.$old_log_folder);
 
 			//* remove old log mount
-			$fstab_line = '/var/log/ispconfig/httpd/'.$data['old']['domain'].' '.$data['old']['document_root'].'/'.$log_folder.'    none    bind';
+			$fstab_line = '/var/log/ispconfig/httpd/'.$data['old']['domain'].' '.$data['old']['document_root'].'/'.$old_log_folder.'    none    bind';
 			$app->system->removeLine('/etc/fstab', $fstab_line);
 
 			//* Unmount log directory
-			exec('umount '.escapeshellarg($data['old']['document_root'].'/'.$log_folder));
+			exec('umount '.escapeshellarg($data['old']['document_root'].'/'.$old_log_folder));
 		}
 
 		//* Create the log dir if nescessary and mount it
@@ -622,9 +660,9 @@
 				if(is_file($conf['rootpath'] . '/conf-custom/index/robots.txt')) {
 					exec('cp ' . $conf['rootpath'] . '/conf-custom/index/robots.txt '.escapeshellcmd($data['new']['document_root']).'/' . $web_folder . '/');
 				}
-				if(is_file($conf['rootpath'] . '/conf-custom/index/.htaccess')) {
-					exec('cp ' . $conf['rootpath'] . '/conf-custom/index/.htaccess '.escapeshellcmd($data['new']['document_root']).'/' . $web_folder . '/');
-				}
+				//if(is_file($conf['rootpath'] . '/conf-custom/index/.htaccess')) {
+				//	exec('cp ' . $conf['rootpath'] . '/conf-custom/index/.htaccess '.escapeshellcmd($data['new']['document_root']).'/' . $web_folder . '/');
+				//}
 			}
 			else {
 				if (file_exists($conf['rootpath'] . '/conf-custom/index/standard_index.html')) {
@@ -634,7 +672,7 @@
 					exec('cp ' . $conf['rootpath'] . '/conf/index/standard_index.html_'.substr(escapeshellcmd($conf['language']), 0, 2).' '.escapeshellcmd($data['new']['document_root']).'/' . $web_folder . '/index.html');
 					if(is_file($conf['rootpath'] . '/conf/index/favicon.ico')) exec('cp ' . $conf['rootpath'] . '/conf/index/favicon.ico '.escapeshellcmd($data['new']['document_root']).'/' . $web_folder . '/');
 					if(is_file($conf['rootpath'] . '/conf/index/robots.txt')) exec('cp ' . $conf['rootpath'] . '/conf/index/robots.txt '.escapeshellcmd($data['new']['document_root']).'/' . $web_folder . '/');
-					if(is_file($conf['rootpath'] . '/conf/index/.htaccess')) exec('cp ' . $conf['rootpath'] . '/conf/index/.htaccess '.escapeshellcmd($data['new']['document_root']).'/' . $web_folder . '/');
+					//if(is_file($conf['rootpath'] . '/conf/index/.htaccess')) exec('cp ' . $conf['rootpath'] . '/conf/index/.htaccess '.escapeshellcmd($data['new']['document_root']).'/' . $web_folder . '/');
 				}
 			}
 			exec('chmod -R a+r '.escapeshellcmd($data['new']['document_root']).'/' . $web_folder . '/');
@@ -695,13 +733,13 @@
 			if($web_config['security_level'] == 20) {
 
 				$app->system->chmod($data['new']['document_root'], 0755);
-				$app->system->chmod($data['new']['document_root'].'/web', 0711);
+				$app->system->chmod($data['new']['document_root'].'/web', 0751);
 				//$app->system->chmod($data['new']['document_root'].'/webdav',0710);
 				$app->system->chmod($data['new']['document_root'].'/private', 0710);
 				$app->system->chmod($data['new']['document_root'].'/ssl', 0755);
 
 				// make tmp directory writable for nginx and the website users
-				$app->system->chmod($data['new']['document_root'].'/tmp', 0777);
+				$app->system->chmod($data['new']['document_root'].'/tmp', 0770);
 
 				// Set Log directory to 755 to make the logs accessible by the FTP user
 				if(realpath($data['new']['document_root'].'/'.$log_folder . '/error.log') == '/var/log/ispconfig/httpd/'.$data['new']['domain'].'/error.log') {
@@ -761,7 +799,7 @@
 				$app->system->chmod($data['new']['document_root'].'/cgi-bin', 0755);
 
 				// make temp directory writable for nginx and the website users
-				$app->system->chmod($data['new']['document_root'].'/tmp', 0777);
+				$app->system->chmod($data['new']['document_root'].'/tmp', 0770);
 
 				// Set Log directory to 755 to make the logs accessible by the FTP user
 				if(realpath($data['new']['document_root'].'/'.$log_folder . '/error.log') == '/var/log/ispconfig/httpd/'.$data['new']['domain'].'/error.log') {
@@ -986,6 +1024,18 @@
 						$final_rewrite_rules[] = array('rewrite_rule' => $custom_rewrite_rule_line);
 						continue;
 					}
+					if(preg_match('@^\s*rewrite\s+(^/)?(\'[^\']+\'|"[^"]+")+(\$)?\s+(\'[^\']+\'|"[^"]+")+(\s+(last|break|redirect|permanent|))?\s*;\s*$@', $custom_rewrite_rule_line)){
+						$final_rewrite_rules[] = array('rewrite_rule' => $custom_rewrite_rule_line);
+						continue;
+					}
+					if(preg_match('@^\s*rewrite\s+(^/)?(\'[^\']+\'|"[^"]+")+(\$)?\s+\S+(\s+(last|break|redirect|permanent|))?\s*;\s*$@', $custom_rewrite_rule_line)){
+						$final_rewrite_rules[] = array('rewrite_rule' => $custom_rewrite_rule_line);
+						continue;
+					}
+					if(preg_match('@^\s*rewrite\s+(^/)?\S+(\$)?\s+(\'[^\']+\'|"[^"]+")+(\s+(last|break|redirect|permanent|))?\s*;\s*$@', $custom_rewrite_rule_line)){
+						$final_rewrite_rules[] = array('rewrite_rule' => $custom_rewrite_rule_line);
+						continue;
+					}
 					// if
 					if(preg_match('@^\s*if\s+\(\s*\$\S+(\s+(\!?(=|~|~\*))\s+(\S+|\".+\"))?\s*\)\s*\{\s*$@', $custom_rewrite_rule_line)){
 						$final_rewrite_rules[] = array('rewrite_rule' => $custom_rewrite_rule_line);
@@ -1052,9 +1102,86 @@
 
 		// 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'];
+		$tpl->setVar('ssl_domain', $domain);
 		$key_file = $ssl_dir.'/'.$domain.'.key';
 		$crt_file = $ssl_dir.'/'.$domain.'.crt';
+
+
+		$tpl->setVar('ssl_letsencrypt', "n");
+		//* Generate Let's Encrypt SSL certificat
+		if($data['new']['ssl'] == 'y' && $data['new']['ssl_letsencrypt'] == 'y') {
+			//* be sure to have good domain
+			$lddomain = (string) "$domain";
+			if($data['new']['subdomain'] == "www" OR $data['new']['subdomain'] == "*") {
+				$lddomain .= (string) " --domains www." . $domain;
+			}
+
+			$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: $domain", LOGLEVEL_DEBUG);
+
+				if(is_dir($webroot . "/.well-known/")) {
+					$app->log("Remove old challenge directory", LOGLEVEL_DEBUG);
+					$this->_exec("rm -rf " . $webroot . "/.well-known/");
+				}
+
+				$app->log("Create challenge directory", LOGLEVEL_DEBUG);
+				$app->system->mkdirpath($webroot . "/.well-known/");
+				$app->system->chown($webroot . "/.well-known/", $$data['new']['system_user']);
+				$app->system->chgrp($webroot . "/.well-known/", $data['new']['system_group']);
+				$app->system->mkdirpath($webroot . "/.well-known/acme-challenge");
+				$app->system->chown($webroot . "/.well-known/acme-challenge/", $data['new']['system_user']);
+				$app->system->chgrp($webroot . "/.well-known/acme-challenge/", $data['new']['system_group']);
+				$app->system->chmod($webroot . "/.well-known/acme-challenge", "g+s");
+
+				$this->_exec("/root/.local/share/letsencrypt/bin/letsencrypt auth -a webroot --email postmaster@$domain --domains $lddomain --webroot-path $webroot");
+			};
+
+			//* check is been correctly created
+			if(file_exists($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;
@@ -2332,6 +2459,7 @@
 
 		$fpm_socket = $socket_dir.$pool_name.'.sock';
 		$tpl->setVar('fpm_socket', $fpm_socket);
+		$tpl->setVar('fpm_listen_mode', '0660');
 
 		$tpl->setVar('fpm_pool', $pool_name);
 		$tpl->setVar('fpm_port', $web_config['php_fpm_start_port'] + $data['new']['domain_id'] - 1);
@@ -2370,8 +2498,8 @@
 					if(substr($ini_setting, 0, 1) == '#') continue;
 					if(substr($ini_setting, 0, 2) == '//') continue;
 					list($key, $value) = explode('=', $ini_setting, 2);
-					if($value){
-						$value = trim($value);
+					$value = trim($value);
+					if($value != ''){
 						$key = trim($key);
 						switch (strtolower($value)) {
 						case '0':

--
Gitblit v1.9.1