diff options
Diffstat (limited to 'etc')
| -rw-r--r-- | etc/inc/captiveportal.inc | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/etc/inc/captiveportal.inc b/etc/inc/captiveportal.inc index 1c44870..f85ef54 100644 --- a/etc/inc/captiveportal.inc +++ b/etc/inc/captiveportal.inc @@ -946,6 +946,31 @@ function captiveportal_write_elements() { * */ +function get_next_ipfw_ruleno($rulenos_start = 10000, $rulenos_range_max = 9899) { + + exec("/sbin/ipfw show", $fwrules); + foreach ($fwrules as $fwrule) { + preg_match("/^(\d+)\s+/", $fwrule, $matches); + $rulenos_used[] = $matches[1]; + } + $rulenos_used = array_unique($rulenos_used); + $rulenos_range = count($rulenos_used); + if ($rulenos_range > $rulenos_range_max) { + return NULL; + } + $rulenos_pool = range($rulenos_start, ($rulenos_start + $rulenos_range)); + $rulenos_free = array_diff($rulenos_pool, $rulenos_used); + $ruleno = array_shift($rulenos_free); + + return $ruleno; +} + +/* + * This function will calculate the lowest free firewall ruleno + * within the range specified based on the actual installed rules + * + */ + function captiveportal_get_next_ipfw_ruleno($rulenos_start = 10000, $rulenos_range_max = 9899) { exec("/sbin/ipfw show", $fwrules); |
