Merge pull request #4 from masterking32/master

Update

application/config/config.php.sample

@@ -51,6 +51,8 @@ $config['battlenet_support'] = false;
 /*===================================================================
 If your core password encryption is SRP6, you need to enable it.
 For last versions of the TrinityCore(3.3.5/master) you need to enable it. https://git.io/JJRH4 and https://git.io/JJrxq
+Enable that if you use the last version of TC.
+You need to enable the GMP extension for PHP.
 =====================================================================*/
 $config['srp6_support'] = false;
 /*===================================================================

application/include/user.php

@@ -287,7 +287,7 @@ class user
                 'id[=]' => $userinfo['id']
             ]);
         } else {
-            if (verifySRP6($userinfo['username'], $_POST['old_password'], $userinfo['salt'], $userinfo['verifier'])) {
+            if (!verifySRP6($userinfo['username'], $_POST['old_password'], $userinfo['salt'], $userinfo['verifier'])) {
                 error_msg('Old password is not valid.');
                 return false;
             }
@@ -295,10 +295,7 @@ class user
             list($salt, $verifier) = getRegistrationData(strtoupper($userinfo['username']), $_POST['password']);
             database::$auth->update('account', [
                 'salt' => $salt,
-                'verifier' => $verifier,
-                'sessionkey' => '',
-                'v' => '',
-                's' => ''
+                'verifier' => $verifier
             ], [
                 'id[=]' => $userinfo['id']
             ]);
@@ -370,7 +367,7 @@ class user
                 'id[=]' => $userinfo['id']
             ]);
         } else {
-            if (verifySRP6($userinfo['username'], $_POST['old_password'], $userinfo['salt'], $userinfo['verifier'])) {
+            if (!verifySRP6($userinfo['username'], $_POST['old_password'], $userinfo['salt'], $userinfo['verifier'])) {
                 error_msg('Old password is not valid.');
                 return false;
             }
@@ -378,10 +375,7 @@ class user
             list($salt, $verifier) = getRegistrationData(strtoupper($userinfo['username']), $_POST['password']);
             database::$auth->update('account', [
                 'salt' => $salt,
-                'verifier' => $verifier,
-                'sessionkey' => '',
-                'v' => '',
-                's' => ''
+                'verifier' => $verifier
             ], [
                 'id[=]' => $userinfo['id']
             ]);
@@ -512,9 +506,6 @@ class user
                 database::$auth->update('account', [
                     'salt' => $salt,
                     'verifier' => $verifier,
-                    'sessionkey' => '',
-                    'v' => '',
-                    's' => '',
                     'restore_key' => '1'
                 ], [
                     'id[=]' => $userinfo['id']
@@ -546,9 +537,6 @@ class user
                     database::$auth->update('account', [
                         'salt' => $salt,
                         'verifier' => $verifier,
-                        'sessionkey' => '',
-                        'v' => '',
-                        's' => '',
                         'restore_key' => '1'
                     ], [
                         'id[=]' => $userinfo['id']