diff options
| -rwxr-xr-x | config/snort/snort.inc | 36 |
1 files changed, 20 insertions, 16 deletions
diff --git a/config/snort/snort.inc b/config/snort/snort.inc index 16574e77..b9a022fd 100755 --- a/config/snort/snort.inc +++ b/config/snort/snort.inc @@ -324,10 +324,11 @@ function snort_build_list($snortcfg, $listname = "", $whitelist = false, $extern if (($externallist && $localnet == 'yes') || (!$externallist && (!$whitelist || $localnet == 'yes' || empty($localnet)))) { if (is_ipaddr($snortip)) { if ($snortcfg['interface'] <> "wan") { - $sn = get_interface_subnet($snortcfg['interface']); - $ip = gen_subnet($snortip, $sn) . "/{$sn}"; - if (!in_array($ip, $home_net)) - $home_net[] = $ip; + if ($sn = get_interface_subnet($snortcfg['interface'])) { + $ip = gen_subnet($snortip, $sn) . "/{$sn}"; + if (!in_array($ip, $home_net)) + $home_net[] = $ip; + } } } } @@ -346,10 +347,11 @@ function snort_build_list($snortcfg, $listname = "", $whitelist = false, $extern if (($externallist && $localnet == 'yes') || (!$externallist && (!$whitelist || $localnet == 'yes' || empty($localnet)))) { if (is_ipaddrv6($snortip)) { if ($snortcfg['interface'] <> "wan") { - $sn = get_interface_subnetv6($snortcfg['interface']); - $ip = gen_subnetv6($snortip, $sn). "/{$sn}"; - if (!in_array($ip, $home_net)) - $home_net[] = $ip; + if ($sn = get_interface_subnetv6($snortcfg['interface'])) { + $ip = gen_subnetv6($snortip, $sn). "/{$sn}"; + if (!in_array($ip, $home_net)) + $home_net[] = $ip; + } } } } @@ -383,10 +385,11 @@ function snort_build_list($snortcfg, $listname = "", $whitelist = false, $extern continue; $subnet = get_interface_ip($int); if (is_ipaddrv4($subnet)) { - $sn = get_interface_subnet($int); - $ip = gen_subnet($subnet, $sn) . "/{$sn}"; - if (!in_array($ip, $home_net)) - $home_net[] = $ip; + if ($sn = get_interface_subnet($int)) { + $ip = gen_subnet($subnet, $sn) . "/{$sn}"; + if (!in_array($ip, $home_net)) + $home_net[] = $ip; + } } $subnet = get_interface_ipv6($int); @@ -394,10 +397,11 @@ function snort_build_list($snortcfg, $listname = "", $whitelist = false, $extern if (strpos($subnet, "%") !== FALSE) $subnet = substr($subnet, 0, strpos($subnet, "%")); if (is_ipaddrv6($subnet)) { - $sn = get_interface_subnetv6($int); - $ip = gen_subnetv6($subnet, $sn). "/{$sn}"; - if (!in_array($ip, $home_net)) - $home_net[] = $ip; + if ($sn = get_interface_subnetv6($int)) { + $ip = gen_subnetv6($subnet, $sn). "/{$sn}"; + if (!in_array($ip, $home_net)) + $home_net[] = $ip; + } } // Add link-local address |