Update installer_base.lib.php to fix typo error and add code to extend ISPConfig LE SSL certs to other services that are postfix and pureftpd, if they are installed. The code give user option whether to extend the certs or not.

Author: ahrasis

install/lib/installer_base.lib.php

@@ -2417,7 +2417,7 @@ public function make_ispconfig_ssl_cert() {
 		// Check if LE SSL folder for the hostname existed
 		// Then create standalone LE SSL certs for this server
 		$le_live_dir = '/etc/letsencrypt/live/' . $hostname; 
-		if (!@is_dir($le_live_dir) && in_array($srv_ip, $dns_ips)) {
+		if (!@is_dir($le_live_dir) && in_array($svr_ip, $dns_ips)) {
 
 			// If it is nginx webserver
 			if($conf['nginx']['installed'] == true)
@@ -2445,7 +2445,7 @@ public function make_ispconfig_ssl_cert() {
 		if(!@is_dir($install_dir.'/interface/ssl')) mkdir($install_dir.'/interface/ssl', 0755, true);
 
 		// If the LE SSL certs for this hostname exists
-		if (is_dir($le_live_dir) && in_array($srv_ip, $dns_ips)) {
+		if (is_dir($le_live_dir) && in_array($svr_ip, $dns_ips)) {
 
 			// Backup existing ispserver ssl files
 			$date = new DateTime();
@@ -2460,6 +2460,44 @@ public function make_ispconfig_ssl_cert() {
 			// Build ispserver.pem file and chmod it
 			exec("cat $ssl_key_file $ssl_crt_file > $ssl_pem_file; chmod 600 $ssl_pem_file");
 
+			
+			
+			// Extend LE SSL certs to postfix
+			if ($conf['postfix']['installed'] == true && strtolower($this->simple_query('Symlink ISPConfig LE SSL certs to postfix?', array('y', 'n'), 'y')) == 'y')) {
+			    
+			    // Define folder, file(s)
+			    $cf = $conf['postfix'];
+			    $postfix_dir = $cf['config_dir'];
+			    if(!is_dir($postfix_dir)) $this->error("The postfix configuration directory '$postfix_dir' does not exist.");
+			    $smtpd_crt = $postfix_dir.'/smtpd.cert';
+			    $smtpd_key = $postfix_dir.'/smtpd.key';
+			    
+			    // Backup existing postfix ssl files
+			    if (file_exists($smtpd_crt)) rename($smtpd_crt, $smtpd_crt . '-' .$date->format('YmdHis') . '.bak');
+			    if (file_exists($smtpd_key)) rename($smtpd_key, $smtpd_key . '-' .$date->format('YmdHis') . '.bak');
+			    
+			    // Create symlink to ISPConfig SSL files
+			    symlink($ssl_crt_file, $smtpd_crt);
+			    symlink($ssl_key_file, $smtpd_key);
+			}
+			
+			// Extend LE SSL certs to pureftpd
+			if ($conf['pureftpd']['installed'] == true && strtolower($this->simple_query('Symlink ISPConfig LE SSL certs to pureftpd? Creating dhparam file takes some times.', array('y', 'n'), 'y')) == 'y') {
+			    
+			    // Define folder, file(s)
+			    $pureftpd_dir = '/etc/ssl/private';
+			    if(!is_dir($pureftpd_dir)) mkdir($pureftpd_dir, 0755, true);
+			    $pureftpd_pem = $pureftpd_dir.'/pure-ftpd.pem';
+			    
+			    // Backup existing postfix ssl files
+			    if (file_exists($pureftpd_pem)) rename($pureftpd_pem, $pureftpd_pem . '-' .$date->format('YmdHis') . '.bak');
+			    
+			    // Create symlink to ISPConfig SSL files
+			    symlink($ssl_pem_file, $pureftpd_pem);
+			    if (!file_exists("$pureftpd_dir/pure-ftpd-dhparams.pem"))
+			        exec("cd $pureftpd_dir; openssl dhparam -out dhparam4096.pem 4096; ln -sf dhparam4096.pem pure-ftpd-dhparams.pem");
+			}
+			
 		} else {
 
 			// We can still use the old self-signed method