Support connecting to MySQL via SSL

adminer/drivers/mysql.inc.php

@@ -14,15 +14,21 @@ if (!defined("DRIVER")) {
 			}
 
 			function connect($server = "", $username = "", $password = "", $database = null, $port = null, $socket = null) {
+				global $adminer;
 				mysqli_report(MYSQLI_REPORT_OFF); // stays between requests, not required since PHP 5.3.4
 				list($host, $port) = explode(":", $server, 2); // part after : is used for port or socket
+				$ssl = $adminer->connectSsl();
+				if ($ssl) {
+					$this->ssl_set($ssl['key'], $ssl['cert'], $ssl['ca'], '', '');
+				}
 				$return = @$this->real_connect(
 					($server != "" ? $host : ini_get("mysqli.default_host")),
 					($server . $username != "" ? $username : ini_get("mysqli.default_user")),
 					($server . $username . $password != "" ? $password : ini_get("mysqli.default_pw")),
 					$database,
 					(is_numeric($port) ? $port : ini_get("mysqli.default_port")),
-					(!is_numeric($port) ? $port : $socket)
+					(!is_numeric($port) ? $port : $socket),
+					($ssl ? 64 : 0) // 64 - MYSQLI_CLIENT_SSL_DONT_VERIFY_SERVER_CERT (not available before PHP 5.6.16)
 				);
 				return $return;
 			}
@@ -223,7 +229,22 @@ if (!defined("DRIVER")) {
 			var $extension = "PDO_MySQL";
 
 			function connect($server, $username, $password) {
-				$this->dsn("mysql:charset=utf8;host=" . str_replace(":", ";unix_socket=", preg_replace('~:(\\d)~', ';port=\\1', $server)), $username, $password);
+				global $adminer;
+				$options = array();
+				$ssl = $adminer->connectSsl();
+				if ($ssl) {
+					$options = array(
+						PDO::MYSQL_ATTR_SSL_KEY => $ssl['key'],
+						PDO::MYSQL_ATTR_SSL_CERT => $ssl['cert'],
+						PDO::MYSQL_ATTR_SSL_CA => $ssl['ca'],
+					);
+				}
+				$this->dsn(
+					"mysql:charset=utf8;host=" . str_replace(":", ";unix_socket=", preg_replace('~:(\\d)~', ';port=\\1', $server)),
+					$username,
+					$password,
+					$options
+				);
 				return true;
 			}
 

adminer/include/adminer.inc.php

@@ -19,6 +19,12 @@ class Adminer {
 		return array(SERVER, $_GET["username"], get_password());
 	}
 
+	/** Get SSL connection options
+	* @return array array("key" => filename, "cert" => filename, "ca" => filename) or null
+	*/
+	function connectSsl() {
+	}
+
 	/** Get key used for permanent login
 	* @param bool
 	* @return string cryptic string which gets combined with password or false in case of an error

adminer/include/pdo.inc.php

@@ -12,9 +12,9 @@ if (extension_loaded('pdo')) {
 			}
 		}
 		
-		function dsn($dsn, $username, $password) {
+		function dsn($dsn, $username, $password, $options = array()) {
 			try {
-				parent::__construct($dsn, $username, $password);
+				parent::__construct($dsn, $username, $password, $options);
 			} catch (Exception $ex) {
 				auth_error(h($ex->getMessage()));
 			}

changes.txt

@@ -6,6 +6,7 @@ PostgreSQL: Cast to string when searching using LIKE (bug #325)
 PostgreSQL: Don't treat interval type as number (bug #474)
 PostgreSQL: Fix condition for selecting no rows
 PostgreSQL: Support TRUNCATE+INSERT export
+Customization: Support connecting to MySQL via SSL
 
 Adminer 4.6.0 (released 2018-02-05):
 Fix counting selected rows after going back to select page

editor/include/adminer.inc.php

@@ -13,6 +13,9 @@ class Adminer {
 		return array(SERVER, $_GET["username"], get_password());
 	}
 
+	function connectSsl() {
+	}
+
 	function permanentLogin($create = false) {
 		return password_file($create);
 	}

plugins/login-ssl.php

@@ -0,0 +1,24 @@
+<?php
+
+/** Connect to MySQL using SSL
+* @link https://www.adminer.org/plugins/#use
+* @author Jakub Vrana, https://www.vrana.cz/
+* @license https://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
+* @license https://www.gnu.org/licenses/gpl-2.0.html GNU General Public License, version 2 (one or other)
+*/
+class AdminerLoginSsl {
+	/** @access protected */
+	var $ssl;
+	
+	/** 
+	* @param array array("key" => filename, "cert" => filename, "ca" => filename)
+	*/
+	function __construct($ssl) {
+		$this->ssl = $ssl;
+	}
+	
+	function connectSsl() {
+		return $this->ssl;
+	}
+	
+}

plugins/plugin.php

@@ -97,6 +97,11 @@ class AdminerPlugin extends Adminer {
 		return $this->_applyPlugin(__FUNCTION__, $args);
 	}
 
+	function connectSsl() {
+		$args = func_get_args();
+		return $this->_applyPlugin(__FUNCTION__, $args);
+	}
+
 	function permanentLogin($create = false) {
 		$args = func_get_args();
 		return $this->_applyPlugin(__FUNCTION__, $args);