diff options
Diffstat (limited to 'src/etc/inc/interfaces.inc')
| -rw-r--r-- | src/etc/inc/interfaces.inc | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/src/etc/inc/interfaces.inc b/src/etc/inc/interfaces.inc index 40e5c27..d50aab8 100644 --- a/src/etc/inc/interfaces.inc +++ b/src/etc/inc/interfaces.inc @@ -38,6 +38,27 @@ function interfaces_bring_up($interface) { } /* + * Validate comma-separated list of IPv4 addresses + */ +function validate_ipv4_list($value) { + $value = trim($value); + + if (empty($value)) { + return false; + } + + $list = explode(',', $value); + + foreach ($list as $ip) { + if (!is_ipaddrv4($ip)) { + return false; + } + } + + return true; +} + +/* * Return the interface array */ function get_interface_arr($flush = false) { @@ -4509,7 +4530,7 @@ initial-interval 1; script "/usr/local/sbin/pfSense-dhclient-script"; EOD; - if (is_ipaddrv4($wancfg['dhcprejectfrom'])) { + if (validate_ipv4_list($wancfg['dhcprejectfrom'])) { $dhclientconf .= <<<EOD reject {$wancfg['dhcprejectfrom']}; |
