diff options
| -rw-r--r-- | etc/inc/util.inc | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/etc/inc/util.inc b/etc/inc/util.inc index 0222e5c..b065868 100644 --- a/etc/inc/util.inc +++ b/etc/inc/util.inc @@ -509,7 +509,7 @@ function is_subnet($subnet) { list($hp,$np) = explode('/', $subnet); - if (!is_ipaddr($hp)) + if (!is_ipaddrv4($hp)) return false; if (!is_numeric($np) || ($np < 1) || ($np > 32)) @@ -518,6 +518,23 @@ function is_subnet($subnet) { return true; } +/* returns true if $subnet is a valid IPv6 subnet in CIDR format */ +function is_subnetv6($subnet) { + if (!is_string($subnet)) + return false; + + list($hp,$np) = explode('/', $subnet); + + if (!is_ipaddrv6($hp)) + return false; + + if (!is_numeric($np) || ($np < 1) || ($np > 128)) + return false; + + return true; +} + + /* returns true if $subnet is a valid subnet in CIDR format or an alias thereof */ function is_subnetoralias($subnet) { global $aliastable; |
