Cannot insert a supplier transaction record in Direct Supplier Invoice (certain MySql...

[fa-stable.git] / includes / session.inc

diff --git a/includes/session.inc b/includes/session.inc
index 25921a5aa079f0cd9400b7381484632cb7147472..2688a24e94072dee83851ad071ec027e04537b45 100644 (file)
--- a/includes/session.inc
+++ b/includes/session.inc
@@ -140,6 +140,66 @@ function login_fail()
        kill_login();
        die();
 }
+//----------------------------------------------------------------------------------------
+// set to reasonable values if not set in config file (pre-2.3.12 installations)
+
+if (!isset($login_delay))
+{
+       $login_delay = 10;
+       $login_max_attempts = 3;
+}
+
+function check_faillog()
+{
+       global $login_delay, $login_faillog, $login_max_attempts;
+
+       $user = $_SESSION["wa_current_user"]->user;
+
+       if (@$login_delay && (@$login_faillog[$user][$_SERVER['REMOTE_ADDR']] >= @$login_max_attempts) && (time() < $login_faillog[$user]['last'] + $login_delay))
+               return true;
+
+       return false;
+}
+/*
+       Simple brute force attack detection is performed before connection to company database is open. Therefore access counters have to be stored in file.
+       Login attempts counter is created for every new user IP, which partialy prevent DOS attacks.
+*/
+function write_login_filelog($login, $result)
+{
+       global $login_faillog, $login_max_attempts, $path_to_root;
+
+       $user = $_SESSION["wa_current_user"]->user;
+
+       $ip = $_SERVER['REMOTE_ADDR'];
+
+       if (!isset($login_faillog[$user][$ip]) || $result) // init or reset on successfull login
+               $login_faillog[$user] = array($ip => 0, 'last' => '');
+
+       if (!$result)
+       {
+               if ($login_faillog[$user][$ip] < @$login_max_attempts) {
+
+                       $login_faillog[$user][$ip]++;
+               } else {
+                       $login_faillog[$user][$ip] = 0; // comment out to restart counter only after successfull login.
+                       error_log(sprintf(_("Brute force attack on account '%s' detected. Access for non-logged users temporarily blocked."     ), $login));
+               }
+               $login_faillog[$user]['last'] = time();
+       }
+
+       $msg = "<?php\n";
+       $msg .= "/*\n";
+       $msg .= "Login attempts info.\n";
+       $msg .= "*/\n";
+       $msg .= "\$login_faillog = " .var_export($login_faillog, true). ";\n";
+
+       $filename = $path_to_root."/faillog.php";
+
+       if ((!file_exists($filename) && is_writable($path_to_root)) || is_writable($filename))
+       {
+               file_put_contents($filename, $msg);
+       }
+}
 
 //----------------------------------------------------------------------------------------
 
@@ -271,6 +331,7 @@ include_once($path_to_root . "/frontaccounting.php");
 include_once($path_to_root . "/admin/db/security_db.inc");
 include_once($path_to_root . "/includes/lang/language.php");
 include_once($path_to_root . "/config_db.php");
+@include_once($path_to_root . "/faillog.php");
 include_once($path_to_root . "/includes/ajax.inc");
 include_once($path_to_root . "/includes/ui/ui_msgs.inc");
 include_once($path_to_root . "/includes/prefs/sysprefs.inc");
@@ -368,7 +429,15 @@ if (strstr($_SERVER['PHP_SELF'], 'logout.php') == false){
                                $Ajax->activate('_page_body');
                        exit;
                } else {
-
+                       if (isset($_POST["company_login_nickname"]) && !isset($_POST["company_login_name"])) {
+                               for ($i = 0; $i < count($db_connections); $i++) {
+                                       if ($db_connections[$i]["name"] == $_POST["company_login_nickname"]) {
+                                               $_POST["company_login_name"] = $i;
+                                               unset($_POST["company_login_nickname"]);
+                                               break 1; // cannot pass variables to break from PHP v5.4 onwards
+                                       }
+                               }
+                       }
                        $succeed = isset($db_connections[$_POST["company_login_name"]]) &&
                                $_SESSION["wa_current_user"]->login($_POST["company_login_name"],
                                $_POST["user_name_entry_field"], $_POST["password"]);