diff options
Diffstat (limited to 'web/lib')
| -rw-r--r-- | web/lib/aur.inc.php | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/web/lib/aur.inc.php b/web/lib/aur.inc.php index c662b80..7c92bb6 100644 --- a/web/lib/aur.inc.php +++ b/web/lib/aur.inc.php @@ -80,7 +80,18 @@ function check_sid($dbh=NULL) { # verify that an email address looks like it is legitimate # function valid_email($addy) { - return (filter_var($addy, FILTER_VALIDATE_EMAIL) !== false); + // check against RFC 3696 + if (filter_var($addy, FILTER_VALIDATE_EMAIL) === false) { + return false; + } + + // check dns for mx, a, aaaa records + list($local, $domain) = explode('@', $addy); + if (!(checkdnsrr($domain, 'MX') || checkdnsrr($domain, 'A') || checkdnsrr($domain, 'AAAA'))) { + return false; + } + + return true; } # a new seed value for mt_srand() |