From 95ac3e217a4df8b14a2ab054dfb8032818c2bf72 Mon Sep 17 00:00:00 2001 From: Thomas Bruederli <thomas@roundcube.net> Date: Wed, 27 Mar 2013 12:30:54 -0400 Subject: [PATCH] Sanity check the file path for generic message footer before adding it --- program/steps/mail/sendmail.inc | 39 +++++++++++++++++++++++++++++---------- 1 files changed, 29 insertions(+), 10 deletions(-) diff --git a/program/steps/mail/sendmail.inc b/program/steps/mail/sendmail.inc index b5d3834..9b11068 100644 --- a/program/steps/mail/sendmail.inc +++ b/program/steps/mail/sendmail.inc @@ -204,6 +204,33 @@ } +function rcmail_generic_message_footer($isHtml) +{ + global $CONFIG; + + if ($isHtml && !empty($CONFIG['generic_message_footer_html'])) { + $file = $CONFIG['generic_message_footer_html']; + $html_footer = true; + } + else { + $file = $CONFIG['generic_message_footer']; + $html_footer = false; + } + + if ($file && realpath($file)) { + // sanity check + if (!preg_match('/\.(php|ini|conf)$/', $file) && strpos($file, '/etc/') === false) { + $footer = file_get_contents($file); + if ($isHtml && !$html_footer) + $footer = '<pre>' . $footer . '</pre>'; + return $footer; + } + } + + return false; +} + + /****** compose message ********/ if (strlen($_POST['_draft_saveid']) > 3) @@ -434,19 +461,11 @@ } // generic footer for all messages - if ($isHtml && !empty($CONFIG['generic_message_footer_html'])) { - $footer = file_get_contents(realpath($CONFIG['generic_message_footer_html'])); - $footer = rcube_charset_convert($footer, RCMAIL_CHARSET, $message_charset); - } - else if (!empty($CONFIG['generic_message_footer'])) { - $footer = file_get_contents(realpath($CONFIG['generic_message_footer'])); + if ($footer = rcmail_generic_message_footer($isHtml)) { $footer = rcube_charset_convert($footer, RCMAIL_CHARSET, $message_charset); - if ($isHtml) - $footer = '<pre>'.$footer.'</pre>'; + $message_body .= "\r\n" . $footer; } - if ($footer) - $message_body .= "\r\n" . $footer; if ($isHtml) $message_body .= "\r\n</body></html>\r\n"; } -- Gitblit v1.9.1