From e1ceb050e19c7574bca146a8da7047ee4ff456b5 Mon Sep 17 00:00:00 2001
From: Marius Burkard <m.burkard@pixcept.de>
Date: Sun, 10 Jul 2016 05:02:35 -0400
Subject: [PATCH] Merge branch 'stable-3.1'

---
 server/plugins-available/apache2_plugin.inc.php |   89 ++++++++++++++++++++++++++++++++++----------
 1 files changed, 69 insertions(+), 20 deletions(-)

diff --git a/server/plugins-available/apache2_plugin.inc.php b/server/plugins-available/apache2_plugin.inc.php
index 6bc4b97..f4b6ab7 100644
--- a/server/plugins-available/apache2_plugin.inc.php
+++ b/server/plugins-available/apache2_plugin.inc.php
@@ -36,6 +36,7 @@
 	// private variables
 	var $action = '';
 	var $ssl_certificate_changed = false;
+	var $update_letsencrypt = false;
 
 	//* This function is called during ispconfig installation to determine
 	//  if a symlink shall be created for this plugin.
@@ -369,6 +370,22 @@
 			$app->dbmaster->query("UPDATE web_domain SET ssl_request = ?, ssl_cert = ?, ssl_key = ? WHERE domain = ?", $ssl_request, $ssl_cert, $ssl_key2, $data['new']['domain']);
 			$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') {
@@ -488,6 +505,7 @@
 			$data['new'] = $tmp;
 			$data['old'] = $tmp;
 			$this->action = 'update';
+			$this->update_letsencrypt = true;
 		}
 
 		// load the server configuration options
@@ -866,11 +884,11 @@
 			}
             
           // get the primitive folder for document_root and the filesystem, will need it later.
-          $df_output=exec("df -T $document_root|awk 'END{print \$2,\$NF}'");
-          $file_system = explode(" ", $df_output)[0];
-          $primitive_root = explode(" ", $df_output)[1];
+          $df_output=explode(" ", exec("df -T " . escapeshellarg($data['new']['document_root']) . "|awk 'END{print \$2,\$NF}'"));
+          $file_system = $df_output[0];
+          $primitive_root = $df_output[1];
 
-          if ( $file_system , array('ext2','ext3','ext4') ) {
+		  if ( in_array($file_system , array('ext2','ext3','ext4'), true) ) {
             exec('setquota -u '. $username . ' ' . $blocks_soft . ' ' . $blocks_hard . ' 0 0 -a &> /dev/null');
             exec('setquota -T -u '.$username.' 604800 604800 -a &> /dev/null');
           } elseif ($file_system == 'xfs') {
@@ -1161,8 +1179,7 @@
 			($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 aliasdomain
+			|| $this->update_letsencrypt == true
 		)) {
 			// default values
 			$temp_domains = array();
@@ -1190,8 +1207,8 @@
 			if(is_array($aliasdomains)) {
 				foreach($aliasdomains as $aliasdomain) {
 					$temp_domains[] = $aliasdomain['domain'];
-					if(isset($aliasdomain['subdomain']) && ! empty($aliasdomain['subdomain'])) {
-						$temp_domains[] = $aliasdomain['subdomain'] . "." . $aliasdomain['domain'];
+					if(isset($aliasdomain['subdomain']) && ($aliasdomain['subdomain'] != "none")) {
+						$temp_domains[] = "www." . $aliasdomain['domain'];
 					}
 				}
 			}
@@ -1214,13 +1231,27 @@
 			$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)) {
+			//if(!file_exists($crt_tmp_file) && !file_exists($key_tmp_file)) {
+				// we must not skip if cert exists, otherwise changed domains (alias or sub) won't make it to the cert
 				$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");
+				
+				$success = false;
+				$letsencrypt = explode("\n", shell_exec('which letsencrypt certbot /root/.local/share/letsencrypt/bin/letsencrypt'));
+				$letsencrypt = reset($letsencrypt);
+				if(is_executable($letsencrypt)) {
+					$success = $this->_exec($letsencrypt . " certonly -n --text --agree-tos --expand --authenticator webroot --server https://acme-v01.api.letsencrypt.org/directory --rsa-key-size 4096 --email postmaster@$domain --domains $lddomain --webroot-path /usr/local/ispconfig/interface/acme");
 				}
-			};
+				if(!$success) {
+					// error issuing cert
+					$app->log('Let\'s Encrypt SSL Cert for: ' . $domain . ' could not be issued.', LOGLEVEL_WARN);
+					$data['new']['ssl_letsencrypt'] = 'n';
+					if($data['old']['ssl'] == 'n') $data['new']['ssl'] = 'n';
+					/* Update the DB of the (local) Server */
+					$app->db->query("UPDATE web_domain SET `ssl` = ?, `ssl_letsencrypt` = ? WHERE `domain` = ?", $data['new']['ssl'], 'n', $data['new']['domain']);
+					/* Update also the master-DB of the Server-Farm */
+					$app->dbmaster->query("UPDATE web_domain SET `ssl` = ?, `ssl_letsencrypt` = ? WHERE `domain` = ?", $data['new']['ssl'], 'n', $data['new']['domain']);
+				}
+			//}
 
 			//* check is been correctly created
 			if(file_exists($crt_tmp_file) OR file_exists($key_tmp_file)) {
@@ -1263,11 +1294,11 @@
 
 				/* 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_cert', ssl_key = '$ssl_key' WHERE domain = '".$data['new']['domain']."'");
-				$app->db->query("UPDATE web_domain SET ssl_action = '' WHERE domain = '".$data['new']['domain']."'");
+				$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_cert', ssl_key = '$ssl_key' WHERE domain = '".$data['new']['domain']."'");
-				$app->dbmaster->query("UPDATE web_domain SET ssl_action = '' WHERE domain = '".$data['new']['domain']."'");
+				$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']);
 			}
 		}
 
@@ -1466,7 +1497,7 @@
 		
 		if (count($rewrite_wildcard_rules) > 0) $rewrite_rules = array_merge($rewrite_rules, $rewrite_wildcard_rules); // Append wildcard rules to the end of rules
 
-		if(count($rewrite_rules) > 0 || $vhost_data['seo_redirect_enabled'] > 0 || count($alias_seo_redirects) > 0) {
+		if(count($rewrite_rules) > 0 || $vhost_data['seo_redirect_enabled'] > 0 || count($alias_seo_redirects) > 0 || $data['new']['rewrite_to_https'] == 'y') {
 			$tpl->setVar('rewrite_enabled', 1);
 		} else {
 			$tpl->setVar('rewrite_enabled', 0);
@@ -2074,6 +2105,19 @@
 				//exec('fuser -km '.escapeshellarg($data['old']['document_root'].'/'.$log_folder).' 2>/dev/null');
 				exec('umount '.escapeshellarg($data['old']['document_root'].'/'.$log_folder).' 2>/dev/null');
 			}
+			
+			// remove letsencrypt if it exists (renew will always fail otherwise)
+			
+			$domain = $data['old']['ssl_domain'];
+			if(!$domain) $domain = $data['old']['domain'];
+			if(substr($domain, 0, 2) === '*.') {
+				// wildcard domain not yet supported by letsencrypt!
+				$domain = substr($domain, 2);
+			}
+			//$crt_tmp_file = "/etc/letsencrypt/live/".$domain."/cert.pem";
+			//$key_tmp_file = "/etc/letsencrypt/live/".$domain."/privkey.pem";
+			$le_conf_file = '/etc/letsencrypt/renewal/' . $domain . '.conf';
+			@rename('/etc/letsencrypt/renewal/' . $domain . '.conf', '/etc/letsencrypt/renewal/' . $domain . '.conf~backup');
 		}
 
 		//* remove mountpoint from fstab
@@ -2095,6 +2139,7 @@
 			$data['new'] = $tmp;
 			$data['old'] = $tmp;
 			$this->action = 'update';
+			$this->update_letsencrypt = true;
 			// just run the update function
 			$this->update($event_name, $data);
 
@@ -3121,7 +3166,7 @@
 		$tpl->setVar('fpm_pool', $pool_name);
 		$tpl->setVar('fpm_port', $web_config['php_fpm_start_port'] + $data['new']['domain_id'] - 1);
 		$tpl->setVar('fpm_user', $data['new']['system_user']);
-		$tpl->setVar('fpm_group', $data['new']['system_group']);
+		$tpl->setVar('fpm_group', $web_config['group']);
 		$tpl->setVar('fpm_domain', $data['new']['domain']);
 		$tpl->setVar('pm', $data['new']['pm']);
 		$tpl->setVar('pm_max_children', $data['new']['pm_max_children']);
@@ -3347,8 +3392,12 @@
 	//* Wrapper for exec function for easier debugging
 	private function _exec($command) {
 		global $app;
+		$out = array();
+		$ret = 0;
 		$app->log('exec: '.$command, LOGLEVEL_DEBUG);
-		exec($command);
+		exec($command, $out, $ret);
+		if($ret != 0) return false;
+		else return true;
 	}
 
 	private function _checkTcp ($host, $port) {

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