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authorBBcan177 <bbcan177@gmail.com>2014-12-09 22:27:13 -0500
committerBBcan177 <bbcan177@gmail.com>2014-12-09 22:27:13 -0500
commitabbc294500d4bd8bbb678f187602a15535b2d42a (patch)
tree57767804d18a3adb4e8bdbe0542f3d85bfa1feda /config
parent338b3a1329a9d1cb98559c1ff41262e24a9598f5 (diff)
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Mods to .inc file
- Added IPv4 Filter Array to filter out Whitespaces, Loopback Addresses (27/8), 0.0.0.0 and any leading zeros in each IPv4 octet. - Edits to IPv4/6 Regex Definitions. - Changed isset() to !empty()
Diffstat (limited to 'config')
-rw-r--r--config/pfblockerng/pfblockerng.inc111
1 files changed, 59 insertions, 52 deletions
diff --git a/config/pfblockerng/pfblockerng.inc b/config/pfblockerng/pfblockerng.inc
index 9f344353..dafdac3e 100644
--- a/config/pfblockerng/pfblockerng.inc
+++ b/config/pfblockerng/pfblockerng.inc
@@ -1036,16 +1036,23 @@ function sync_package_pfblockerng($cron = "") {
#############################################
# IPv4 REGEX Definitions
- $pfb['range'] = "/((?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?))-((?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?))/";
- $pfb['block'] = "/(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[ 0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.([0]{1})\s+/";
- $pfb['cidr'] = "/(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)?\/[0-9]{2}/";
- $pfb['single'] = "/(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\s+/";
- $pfb['s_html'] = "/(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)/";
+ $pfb['range'] = '/((?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?))-((?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?))/';
+ $pfb['block'] = '/(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[ 0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.([0]{1})\s+/';
+ $pfb['cidr'] = '/(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)?\/[0-9]{2}/';
+ $pfb['single'] = '/(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\s+/';
+ $pfb['s_html'] = '/(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)/';
+
+ # IPv4 preg_replace Regex Filter array
+ $pfb_ipreg = array();
+ $pfb_ipreg[0] = '/\b0+(?=\d)/'; # Remove any Leading Zeros in each Octet
+ $pfb_ipreg[1] = '/\s/'; # Remove any Whitespaces
+ $pfb_ipreg[2] = '/127\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}/'; # Remove any Loopback Addresses 127/8
+ $pfb_ipreg[3] = '/0\.0\.0\.0/'; # Remove 0.0.0.0
# IPv6 REGEX Definitions -- ** Still Needs some Adjustment on Regex Definition for IPv6 **
# https://mebsd.com/coding-snipits/php-regex-ipv6-with-preg_match.html
$pattern1 = '([A-Fa-f0-9]{1,4}:){7}[A-Fa-f0-9]{1,4}';
- $pattern2 = '[A-Fa-f0-9]{1,4}::([A-Fa-f0-9]{1,4}:){0,5}[A-Fa-f0-9]{1,4}';
+ $pattern2 = '([A-Fa-f0-9]{1,4}::([A-Fa-f0-9]{1,4}:){0,5}[A-Fa-f0-9]{1,4}';
$pattern3 = '([A-Fa-f0-9]{1,4}:){2}:([A-Fa-f0-9]{1,4}:){0,4}[A-Fa-f0-9]{1,4}';
$pattern4 = '([A-Fa-f0-9]{1,4}:){3}:([A-Fa-f0-9]{1,4}:){0,3}[A-Fa-f0-9]{1,4}';
$pattern5 = '([A-Fa-f0-9]{1,4}:){4}:([A-Fa-f0-9]{1,4}:){0,2}[A-Fa-f0-9]{1,4}';
@@ -1260,15 +1267,15 @@ function sync_package_pfblockerng($cron = "") {
#extract range lists
$new_file = "";
- if (isset($url_list)) {
+ if (!empty($url_list)) {
if ($row['format'] == "gz" && $vtype == "_v4") {
foreach ($url_list as $line) {
# Network range 192.168.0.0-192.168.0.254
if (preg_match($pfb['range'],$line,$matches)) {
$a_cidr = ip_range_to_subnet_array($matches[1],$matches[2]);
- if (isset($a_cidr)) {
+ if (!empty($a_cidr)) {
foreach ($a_cidr as $cidr) {
- $new_file .= preg_replace('/\s/', '',$cidr) . "\n";
+ $new_file .= preg_replace($pfb_ipreg,'',$cidr) . "\n";
}
}
}
@@ -1279,7 +1286,7 @@ function sync_package_pfblockerng($cron = "") {
foreach ($url_list as $line) {
# Block Type '218.77.79.0 218.77.79.255 24'
if (preg_match($pfb['block'],$line,$matches)) {
- $new_file .= preg_replace('/\s/', '',$matches[0]) . "/24\n";
+ $new_file .= preg_replace($pfb_ipreg, '',$matches[0]) . "/24\n";
}
}
}
@@ -1288,11 +1295,11 @@ function sync_package_pfblockerng($cron = "") {
foreach ($url_list as $line) {
# CIDR format 192.168.0.0/16
if (preg_match($pfb['cidr'],$line,$matches)) {
- $new_file .= preg_replace('/\s/', '',$matches[0]) . "\n";
+ $new_file .= preg_replace($pfb_ipreg, '',$matches[0]) . "\n";
}
# Single ip addresses
elseif (preg_match($pfb['s_html'],$line,$matches)) {
- $new_file .= preg_replace('/\s/', '',$matches[0]) . "\n";
+ $new_file .= preg_replace($pfb_ipreg, '',$matches[0]) . "\n";
}
}
}
@@ -1301,7 +1308,7 @@ function sync_package_pfblockerng($cron = "") {
foreach ($url_list as $line) {
# IPv6 Regex Match
if (preg_match($pfb['ipv6'],$line,$matches)) {
- $new_file .= preg_replace('/\s/', '',$matches[0]) . "\n";
+ $new_file .= preg_replace($pfb_ipreg, '',$matches[0]) . "\n";
}
}
}
@@ -1310,11 +1317,11 @@ function sync_package_pfblockerng($cron = "") {
foreach ($url_list as $line) {
# CIDR format 192.168.0.0/16
if (preg_match($pfb['cidr'],$line,$matches)) {
- $new_file .= preg_replace('/\s/', '',$matches[0]) . "\n";
+ $new_file .= preg_replace($pfb_ipreg, '',$matches[0]) . "\n";
}
# Single ip addresses
elseif (preg_match($pfb['single'],$line,$matches)) {
- $new_file .= preg_replace('/\s/', '',$matches[0]) . "\n";
+ $new_file .= preg_replace($pfb_ipreg, '',$matches[0]) . "\n";
}
}
}
@@ -1470,30 +1477,30 @@ function sync_package_pfblockerng($cron = "") {
$url_list = @file($pfb['origdir'] . '/' . $aliascustom . '.orig');
$new_file = "";
- if (isset($url_list)) {
+ if (!empty($url_list)) {
foreach ($url_list as $line) {
if ($vtype == "_v4") {
# CIDR format 192.168.0.0/16
if (preg_match($pfb['cidr'],$line,$matches)) {
- $new_file .= preg_replace('/\s/', '',$matches[0]) . "\n";
+ $new_file .= preg_replace($pfb_ipreg, '',$matches[0]) . "\n";
}
# Single ip addresses
elseif (preg_match($pfb['s_html'],$line,$matches)) {
- $new_file .= preg_replace('/\s/', '',$matches[0]) . "\n";
+ $new_file .= preg_replace($pfb_ipreg, '',$matches[0]) . "\n";
}
# Network range 192.168.0.0-192.168.0.254
elseif (preg_match($pfb['range'],$line,$matches)) {
$a_cidr = ip_range_to_subnet_array($matches[1],$matches[2]);
- if (isset($a_cidr)) {
+ if (!empty($a_cidr)) {
foreach ($a_cidr as $cidr) {
- $new_file .= preg_replace('/\s/', '',$cidr) . "\n";
+ $new_file .= preg_replace($pfb_ipreg, '',$cidr) . "\n";
}
}
}
} else {
# IPv6 Regex
if (preg_match($pfb['ipv6'],$line,$matches)) {
- $new_file .= preg_replace('/\s/', '',$matches[0]) . "\n";
+ $new_file .= preg_replace($pfb_ipreg, '',$matches[0]) . "\n";
}
}
}
@@ -1820,7 +1827,7 @@ function sync_package_pfblockerng($cron = "") {
# Collect All Existing Rules
$rules = $config['filter']['rule'];
# Collect Existing pfSense Rules 'Pass', 'Match' and 'Other' pfSense rules into new Arrays.
- if (isset($rules)) {
+ if (!empty($rules)) {
foreach ($rules as $rule) {
if (!preg_match("/pfB_.*" . $pfb['suffix'] . "/",$rule['descr']) && ($rule['interface'] != "")) {
// Floating rules collection 'Floating Pass/Match'. Balance to 'other'
@@ -1876,76 +1883,76 @@ function sync_package_pfblockerng($cron = "") {
#################################################################################
if ($pfb['float'] == "") {
- if (isset($fother_rules)) {
+ if (!empty($fother_rules)) {
foreach ($fother_rules as $cb_rules) {
$new_rules[] = $cb_rules;
}
}
}
- if (isset($fpermit_rules) && $pfb['order'] == "order_1") {
+ if (!empty($fpermit_rules) && $pfb['order'] == "order_1") {
foreach ($fpermit_rules as $cb_rules) {
$new_rules[] = $cb_rules;
}
}
- if (isset($fmatch_rules) && $pfb['order'] == "order_1") {
+ if (!empty($fmatch_rules) && $pfb['order'] == "order_1") {
foreach ($fmatch_rules as $cb_rules) {
$new_rules[] = $cb_rules;
}
}
# Define Inbound Interface Rules
- if (isset($pfb['inbound_interfaces'])) {
+ if (!empty($pfb['inbound_interfaces'])) {
$counter = 0;
foreach ($pfb['inbound_interfaces'] as $inbound_interface) {
- if (isset($permit_rules) && $pfb['order'] == "order_1") {
+ if (!empty($permit_rules) && $pfb['order'] == "order_1") {
foreach ($permit_rules as $cb_rules) {
if ($cb_rules['interface'] == $inbound_interface)
$new_rules[] = $cb_rules;
}
}
- if (isset($match_rules) && $pfb['order'] == "order_1") {
+ if (!empty($match_rules) && $pfb['order'] == "order_1") {
foreach ($match_rules as $cb_rules) {
if ($cb_rules['interface'] == $inbound_interface)
$new_rules[] = $cb_rules;
}
}
# Match Inbound Rules defined as Floating Only.
- if (isset($match_inbound) && $counter == 0) {
+ if (!empty($match_inbound) && $counter == 0) {
foreach ($match_inbound as $cb_rules) {
$cb_rules['interface'] = $pfb['inbound_floating'];
$new_rules[] = $cb_rules;
$counter ++;
}
}
- if (isset($permit_inbound)) {
+ if (!empty($permit_inbound)) {
foreach ($permit_inbound as $cb_rules) {
$cb_rules['interface'] = $inbound_interface;
$new_rules[] = $cb_rules;
}
}
- if (isset($fpermit_rules) && $pfb['order'] == "order_2") {
+ if (!empty($fpermit_rules) && $pfb['order'] == "order_2") {
foreach ($fpermit_rules as $cb_rules) {
$new_rules[] = $cb_rules;
}
}
- if (isset($fmatch_rules) && $pfb['order'] == "order_2") {
+ if (!empty($fmatch_rules) && $pfb['order'] == "order_2") {
foreach ($fmatch_rules as $cb_rules) {
$new_rules[] = $cb_rules;
}
}
- if (isset($permit_rules) && $pfb['order'] == "order_2") {
+ if (!empty($permit_rules) && $pfb['order'] == "order_2") {
foreach ($permit_rules as $cb_rules) {
if ($cb_rules['interface'] == $inbound_interface)
$new_rules[] = $cb_rules;
}
}
- if (isset($match_rules) && $pfb['order'] == "order_2") {
+ if (!empty($match_rules) && $pfb['order'] == "order_2") {
foreach ($match_rules as $cb_rules) {
if ($cb_rules['interface'] == $inbound_interface)
$new_rules[] = $cb_rules;
}
}
- if (isset($deny_inbound)) {
+ if (!empty($deny_inbound)) {
foreach ($deny_inbound as $cb_rules) {
$cb_rules['interface'] = $inbound_interface;
$new_rules[] = $cb_rules;
@@ -1955,48 +1962,48 @@ function sync_package_pfblockerng($cron = "") {
}
# Define Outbound Interface Rules
- if (isset($pfb['outbound_interfaces'])) {
+ if (!empty($pfb['outbound_interfaces'])) {
$counter = 0;
foreach ($pfb['outbound_interfaces'] as $outbound_interface) {
- if (isset($permit_rules) && $pfb['order'] == "order_1") {
+ if (!empty($permit_rules) && $pfb['order'] == "order_1") {
foreach ($permit_rules as $cb_rules) {
if ($cb_rules['interface'] == $outbound_interface)
$new_rules[] = $cb_rules;
}
}
- if (isset($match_rules) && $pfb['order'] == "order_1") {
+ if (!empty($match_rules) && $pfb['order'] == "order_1") {
foreach ($match_rules as $cb_rules) {
if ($cb_rules['interface'] == $outbound_interface)
$new_rules[] = $cb_rules;
}
}
# Match Outbound Rules defined as Floating Only.
- if (isset($match_outbound) && $counter == 0) {
+ if (!empty($match_outbound) && $counter == 0) {
foreach ($match_outbound as $cb_rules) {
$cb_rules['interface'] = $pfb['outbound_floating'];
$new_rules[] = $cb_rules;
$counter++;
}
}
- if (isset($permit_outbound)) {
+ if (!empty($permit_outbound)) {
foreach ($permit_outbound as $cb_rules) {
$cb_rules['interface'] = $outbound_interface;
$new_rules[] = $cb_rules;
}
}
- if (isset($permit_rules) && $pfb['order'] == "order_2") {
+ if (!empty($permit_rules) && $pfb['order'] == "order_2") {
foreach ($permit_rules as $cb_rules) {
if ($cb_rules['interface'] == $outbound_interface)
$new_rules[] = $cb_rules;
}
}
- if (isset($match_rules) && $pfb['order'] == "order_2") {
+ if (!empty($match_rules) && $pfb['order'] == "order_2") {
foreach ($match_rules as $cb_rules) {
if ($cb_rules['interface'] == $outbound_interface)
$new_rules[] = $cb_rules;
}
}
- if (isset($deny_outbound)) {
+ if (!empty($deny_outbound)) {
foreach ($deny_outbound as $cb_rules) {
$cb_rules['interface'] = $outbound_interface;
$new_rules[] = $cb_rules;
@@ -2005,44 +2012,44 @@ function sync_package_pfblockerng($cron = "") {
}
}
- if (isset($fpermit_rules) && $pfb['order'] == "order_0") {
+ if (!empty($fpermit_rules) && $pfb['order'] == "order_0") {
foreach ($fpermit_rules as $cb_rules) {
$new_rules[] = $cb_rules;
}
}
- if (isset($fmatch_rules) && $pfb['order'] == "order_0") {
+ if (!empty($fmatch_rules) && $pfb['order'] == "order_0") {
foreach ($fmatch_rules as $cb_rules) {
$new_rules[] = $cb_rules;
}
}
- if (isset($fpermit_rules) && $pfb['order'] == "order_3") {
+ if (!empty($fpermit_rules) && $pfb['order'] == "order_3") {
foreach ($fpermit_rules as $cb_rules) {
$new_rules[] = $cb_rules;
}
}
- if (isset($fmatch_rules) && $pfb['order'] == "order_3") {
+ if (!empty($fmatch_rules) && $pfb['order'] == "order_3") {
foreach ($fmatch_rules as $cb_rules) {
$new_rules[] = $cb_rules;
}
}
- if (isset($permit_rules) && $pfb['order'] == "order_3") {
+ if (!empty($permit_rules) && $pfb['order'] == "order_3") {
foreach ($permit_rules as $cb_rules) {
$new_rules[] = $cb_rules;
}
}
- if (isset($match_rules) && $pfb['order'] == "order_3") {
+ if (!empty($match_rules) && $pfb['order'] == "order_3") {
foreach ($match_rules as $cb_rules) {
$new_rules[] = $cb_rules;
}
}
if ($pfb['float'] == "on") {
- if (isset($fother_rules)) {
+ if (!empty($fother_rules)) {
foreach ($fother_rules as $cb_rules) {
$new_rules[] = $cb_rules;
}
}
}
- if (isset($other_rules)) {
+ if (!empty($other_rules)) {
foreach ($other_rules as $cb_rules) {
$new_rules[] = $cb_rules;
}
@@ -2128,7 +2135,7 @@ function sync_package_pfblockerng($cron = "") {
pfb_logger("{$log}","1");
# Remove all pfBlockerNG Alias tables
- if (isset($aliases_list)) {
+ if (!empty($aliases_list)) {
foreach ($aliases_list as $table) {
exec ("/sbin/pfctl -t " . escapeshellarg($table) . " -T kill 2>&1", $pfb_null);
}