From 3544558f2d1b7b53de77f5ea373850dce8b05947 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Tue, 20 Apr 2010 16:04:33 +0000
Subject: - Add HTTP_X_REAL_IP and HTTP_X_FORWARDED_FOR to successful logins
 log (#1486441)

---
 CHANGELOG                |  1 +
 index.php                |  7 +------
 program/include/main.inc | 28 ++++++++++++++++++++++++++++
 3 files changed, 30 insertions(+), 6 deletions(-)

diff --git a/CHANGELOG b/CHANGELOG
index fdfaf29fc..31063e7ce 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,6 +1,7 @@
 CHANGELOG RoundCube Webmail
 ===========================
 
+- Add HTTP_X_REAL_IP and HTTP_X_FORWARDED_FOR to successful logins log (#1486441)
 - Fix setting spellcheck languages with extended codes (#1486605)
 - Fix messages list scrolling in FF3.6 (#1486472)
 - Fix quicksearch input focus (#1486637)
diff --git a/index.php b/index.php
index d3cf06f0a..43cf7c413 100644
--- a/index.php
+++ b/index.php
@@ -103,12 +103,7 @@ if ($RCMAIL->task == 'login' && $RCMAIL->action == 'login') {
     $RCMAIL->authenticate_session();
 
     // log successful login
-    if ($RCMAIL->config->get('log_logins')) {
-      write_log('userlogins', sprintf('Successful login for %s (id %d) from %s',
-        $RCMAIL->user->get_username(),
-        $RCMAIL->user->ID,
-        $_SERVER['REMOTE_ADDR']));
-    }
+    rcmail_log_login();
 
     // restore original request parameters
     $query = array();
diff --git a/program/include/main.inc b/program/include/main.inc
index 9e1813182..1dbf0d406 100644
--- a/program/include/main.inc
+++ b/program/include/main.inc
@@ -1140,6 +1140,34 @@ function write_log($name, $line)
 }
 
 
+/**
+ * Write login data (name, ID, IP address) to the 'userlogins' log file.
+ */
+function rcmail_log_login()
+{
+  global $RCMAIL;
+
+  if (!$RCMAIL->config->get('log_logins') || !$RCMAIL->user)
+    return;
+
+  $address = $_SERVER['REMOTE_ADDR'];
+  // append the NGINX X-Real-IP header, if set
+  if (!empty($_SERVER['HTTP_X_REAL_IP'])) {
+    $remote_ip[] = 'X-Real-IP: ' . $_SERVER['HTTP_X_REAL_IP'];
+  }
+  // append the X-Forwarded-For header, if set
+  if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
+    $remote_ip[] = 'X-Forwarded-For: ' . $_SERVER['HTTP_X_FORWARDED_FOR'];
+  }
+
+  if (!empty($remote_ip))
+    $address .= '(' . implode(',', $remote_ip) . ')';
+
+  write_log('userlogins', sprintf('Successful login for %s (ID: %d) from %s',
+    $RCMAIL->user->get_username(), $RCMAIL->user->ID, $address));
+}
+
+
 /**
  * @access private
  */
-- 
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