diff options
| author | Aleksander Machniak <alec@alec.pl> | 2013-12-17 09:21:05 +0100 |
|---|---|---|
| committer | Aleksander Machniak <alec@alec.pl> | 2013-12-17 09:21:05 +0100 |
| commit | a520f331c16fc703cc92d5b9853fb91805f82305 (patch) | |
| tree | f2d28e85b2bfa09a1080577e084c8c50b5c58ae8 /program/steps | |
| parent | 7b1969ad609a0fe94534bc33453bd20f5796e2a6 (diff) | |
Fix handling of X-Forwarded-For header with multiple addresses (#1489481)
Diffstat (limited to 'program/steps')
| -rw-r--r-- | program/steps/mail/sendmail.inc | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/program/steps/mail/sendmail.inc b/program/steps/mail/sendmail.inc index fe966a4d4..f26034fa4 100644 --- a/program/steps/mail/sendmail.inc +++ b/program/steps/mail/sendmail.inc @@ -345,9 +345,10 @@ if ($CONFIG['http_received_header']) $nldlm = "\r\n\t"; // FROM/VIA $http_header = 'from '; - if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) { - $host = $_SERVER['HTTP_X_FORWARDED_FOR']; - $hostname = gethostbyaddr($host); + if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) { + $hosts = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR'], 2); + $hostname = gethostbyaddr($hosts[0]); + if ($CONFIG['http_received_header_encrypt']) { $http_header .= rcmail_encrypt_header($hostname); if ($host != $hostname) |