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Commit 3ca65169 authored by Ad Schellevis's avatar Ad Schellevis Committed by Franco Fichtner
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(legacy) spaces and curly braces in gwlb.inc 

(cherry picked from commit 880980a7)
parent af021d13
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Showing with 997 additions and 928 deletions
src/etc/inc/gwlb.inc
View file @ 3ca65169
......@@ -260,36 +260,51 @@ EOD;
## How often the probe should be sent
if (!empty($gateway['interval']) && is_numeric($gateway['interval'])) {
$interval = intval($gateway['interval']); # Restrict to Integer
if ($interval < 1) $interval = 1; # Minimum
if ($interval != $apinger_default['interval']) # If not default value
$apingercfg .= " interval " . $interval . "s\n";
if ($interval < 1) {
$interval = 1; # Minimum
}
if ($interval != $apinger_default['interval']) {
$apingercfg .= " interval " . $interval . "s\n"; # If not default value
}
}
## How many replies should be used to compute average delay
## for controlling "delay" alarms
if (!empty($gateway['avg_delay_samples']) && is_numeric($gateway['avg_delay_samples'])) {
$avg_delay_samples = intval($gateway['avg_delay_samples']); # Restrict to Integer
if ($avg_delay_samples < 1) $avg_delay_samples = 1; # Minimum
if ($avg_delay_samples != $apinger_default['avg_delay_samples']) # If not default value
if ($avg_delay_samples < 1) {
$avg_delay_samples = 1; # Minimum
}
if ($avg_delay_samples != $apinger_default['avg_delay_samples']) {
# If not default value
$apingercfg .= " avg_delay_samples " . $avg_delay_samples . "\n";
}
}
## How many probes should be used to compute average loss
if (!empty($gateway['avg_loss_samples']) && is_numeric($gateway['avg_loss_samples'])) {
$avg_loss_samples = intval($gateway['avg_loss_samples']); # Restrict to Integer
if ($avg_loss_samples < 1) $avg_loss_samples = 1; # Minimum
if ($avg_loss_samples != $apinger_default['avg_loss_samples']) # If not default value
if ($avg_loss_samples < 1) {
$avg_loss_samples = 1; # Minimum
}
if ($avg_loss_samples != $apinger_default['avg_loss_samples']) {
# If not default value
$apingercfg .= " avg_loss_samples " . $avg_loss_samples . "\n";
}
}
## The delay (in samples) after which loss is computed
## without this delays larger than interval would be treated as loss
if (!empty($gateway['avg_loss_delay_samples']) && is_numeric($gateway['avg_loss_delay_samples'])) {
$avg_loss_delay_samples = intval($gateway['avg_loss_delay_samples']); # Restrict to Integer
if ($avg_loss_delay_samples < 1) $avg_loss_delay_samples = 1; # Minimum
if ($avg_loss_delay_samples != $apinger_default['avg_loss_delay_samples']) # If not default value
if ($avg_loss_delay_samples < 1) {
$avg_loss_delay_samples = 1; # Minimum
}
if ($avg_loss_delay_samples != $apinger_default['avg_loss_delay_samples']) {
# If not default value
$apingercfg .= " avg_loss_delay_samples " . $avg_loss_delay_samples . "\n";
}
}
$alarms = "";
$alarmscfg = "";
......@@ -302,8 +317,9 @@ EOD;
$alarms .= "\"{$name}loss\"";
$override = true;
} else {
if ($override == true)
if ($override == true) {
$alarms .= ",";
}
$alarms .= "\"loss\"";
$override = true;
}
......@@ -312,13 +328,15 @@ EOD;
$alarmscfg .= "\tdelay_low {$gateway['latencylow']}ms\n";
$alarmscfg .= "\tdelay_high {$gateway['latencyhigh']}ms\n";
$alarmscfg .= "}\n";
if ($override == true)
if ($override == true) {
$alarms .= ",";
}
$alarms .= "\"{$name}delay\"";
$override = true;
} else {
if ($override == true)
if ($override == true) {
$alarms .= ",";
}
$alarms .= "\"delay\"";
$override = true;
}
......@@ -326,21 +344,25 @@ EOD;
$alarmscfg .= "alarm down \"{$name}down\" {\n";
$alarmscfg .= "\ttime {$gateway['down']}s\n";
$alarmscfg .= "}\n";
if ($override == true)
if ($override == true) {
$alarms .= ",";
}
$alarms .= "\"{$name}down\"";
$override = true;
} else {
if ($override == true)
if ($override == true) {
$alarms .= ",";
}
$alarms .= "\"down\"";
$override = true;
}
if ($override == true)
if ($override == true) {
$apingercfg .= "\talarms override {$alarms};\n";
}
if (isset($gateway['force_down']))
if (isset($gateway['force_down'])) {
$apingercfg .= "\tforce_down on\n";
}
$apingercfg .= " rrd file \"/var/db/rrd/{$gateway['name']}-quality.rrd\"\n";
$apingercfg .= "}\n";
......@@ -417,25 +439,28 @@ function return_gateways_status($byname = false)
* or are down, which could cause gateway groups to fail */
$gateways_arr = return_gateways_array();
foreach($gateways_arr as $gwitem) {
if(!isset($gwitem['monitor_disable']))
if (!isset($gwitem['monitor_disable'])) {
continue;
if(!isset($gwitem['monitorip']) || !is_ipaddr($gwitem['monitorip'])) {
}
if (!isset($gwitem['monitorip']) || !is_ipaddr($gwitem['monitorip'])) {
$realif = $gwitem['interface'];
$tgtip = get_interface_gateway($realif);
if (!is_ipaddr($tgtip))
if (!is_ipaddr($tgtip)) {
$tgtip = "none";
}
$srcip = find_interface_ip($realif);
} else {
$tgtip = $gwitem['monitorip'];
$srcip = find_interface_ip($realif);
}
if($byname == true)
if ($byname == true) {
$target = $gwitem['name'];
else
} else {
$target = $tgtip;
}
/* failsafe for down interfaces */
if($target == "none") {
if ($target == "none") {
$target = $gwitem['name'];
$status[$target]['name'] = $gwitem['name'];
$status[$target]['lastcheck'] = date('r');
......@@ -477,16 +502,18 @@ function return_gateways_array($disabled = false, $localhost = false, $inactive
$i++;
if (empty($config['interfaces'][$gateway['interface']])) {
if ($inactive === false)
if ($inactive === false) {
continue;
else
} else {
$gateway['inactive'] = true;
}
}
$wancfg = $config['interfaces'][$gateway['interface']];
/* skip disabled interfaces */
if ($disabled === false && (!isset($wancfg['enable']) || isset($gateway['disabled'])))
if ($disabled === false && (!isset($wancfg['enable']) || isset($gateway['disabled']))) {
continue;
}
/* if the gateway is dynamic and we can find the IPv4, Great! */
if (empty($gateway['gateway']) || $gateway['gateway'] == "dynamic") {
......@@ -494,28 +521,29 @@ function return_gateways_array($disabled = false, $localhost = false, $inactive
/* we know which interfaces is dynamic, this should be made a function */
$gateway['gateway'] = get_interface_gateway($gateway['interface']);
/* no IP address found, set to dynamic */
if (!is_ipaddrv4($gateway['gateway']))
if (!is_ipaddrv4($gateway['gateway'])) {
$gateway['gateway'] = "dynamic";
$gateway['dynamic'] = true;
}
$gateway['dynamic'] = true;
} elseif ($gateway['ipprotocol'] == "inet6") {
/* if the gateway is dynamic and we can find the IPv6, Great! */
else if ($gateway['ipprotocol'] == "inet6") {
/* we know which interfaces is dynamic, this should be made a function, and for v6 too */
$gateway['gateway'] = get_interface_gateway_v6($gateway['interface']);
/* no IPv6 address found, set to dynamic */
if (!is_ipaddrv6($gateway['gateway']))
if (!is_ipaddrv6($gateway['gateway'])) {
$gateway['gateway'] = "dynamic";
}
$gateway['dynamic'] = true;
}
} else {
/* getting this detection right is hard at this point because we still don't
* store the address family in the gateway item */
if (is_ipaddrv4($gateway['gateway']))
if (is_ipaddrv4($gateway['gateway'])) {
$gateway['ipprotocol'] = "inet";
else if(is_ipaddrv6($gateway['gateway']))
} elseif (is_ipaddrv6($gateway['gateway'])) {
$gateway['ipprotocol'] = "inet6";
}
}
if (isset($gateway['monitor_disable'])) {
$gateway['monitor_disable'] = true;
......@@ -553,28 +581,34 @@ function return_gateways_array($disabled = false, $localhost = false, $inactive
unset($gateway);
/* Loop through all interfaces with a gateway and add it to a array */
if ($disabled == false)
if ($disabled == false) {
$iflist = get_configured_interface_with_descr();
else
} else {
$iflist = get_configured_interface_with_descr(false, true);
}
/* Process/add dynamic v4 gateways. */
foreach($iflist as $ifname => $friendly ) {
if(! interface_has_gateway($ifname))
if (! interface_has_gateway($ifname)) {
continue;
}
if (empty($config['interfaces'][$ifname]))
if (empty($config['interfaces'][$ifname])) {
continue;
}
$ifcfg = &$config['interfaces'][$ifname];
if(!isset($ifcfg['enable']))
if (!isset($ifcfg['enable'])) {
continue;
}
if(!empty($ifcfg['ipaddr']) && is_ipaddrv4($ifcfg['ipaddr']))
if (!empty($ifcfg['ipaddr']) && is_ipaddrv4($ifcfg['ipaddr'])) {
continue;
}
if (isset($interfaces_v4[$ifname]))
if (isset($interfaces_v4[$ifname])) {
continue;
}
$ctype = "";
switch($ifcfg['ipaddr']) {
......@@ -587,8 +621,9 @@ function return_gateways_array($disabled = false, $localhost = false, $inactive
default:
if (substr($ifcfg['if'], 0, 4) == "ovpn") {
// if current iface is an ovpn server endpoint then skip it
if (substr($ifcfg['if'], 4, 1) == 's')
if (substr($ifcfg['if'], 4, 1) == 's') {
continue 2;
}
$ctype = "VPNv4";
}
......@@ -611,18 +646,21 @@ function return_gateways_array($disabled = false, $localhost = false, $inactive
$found_defaultv4 = 1;
}
/* Loopback dummy for dynamic interfaces without a IP */
if (!is_ipaddrv4($gateway['gateway']) && $gateway['dynamic'] == true)
if (!is_ipaddrv4($gateway['gateway']) && $gateway['dynamic'] == true) {
$gateway['gateway'] = "dynamic";
}
/* automatically skip known static and dynamic gateways we have a array entry for */
foreach($gateways_arr as $gateway_item) {
if ((($ifname == $gateway_item['friendlyiface'] && $friendly == $gateway_item['name'])&& ($gateway['ipprotocol'] == $gateway_item['ipprotocol'])) ||
($ifname == $gateway_item['friendlyiface'] && $gateway_item['dynamic'] == true) && ($gateway['ipprotocol'] == $gateway_item['ipprotocol']))
($ifname == $gateway_item['friendlyiface'] && $gateway_item['dynamic'] == true) && ($gateway['ipprotocol'] == $gateway_item['ipprotocol'])) {
continue 2;
}
}
if (is_ipaddrv4($gateway['gateway']))
if (is_ipaddrv4($gateway['gateway'])) {
$gateway['monitor'] = $gateway['gateway'];
}
$gateway['descr'] = "Interface {$friendly}{$ctype} Gateway";
$gateway['monitor_disable'] = true;
......@@ -633,24 +671,30 @@ function return_gateways_array($disabled = false, $localhost = false, $inactive
/* Process/add dynamic v6 gateways. */
foreach($iflist as $ifname => $friendly ) {
/* If the user has disabled IPv6, they probably don't want any IPv6 gateways. */
if (!isset($config['system']['ipv6allow']))
if (!isset($config['system']['ipv6allow'])) {
break;
}
if(! interface_has_gatewayv6($ifname))
if (!interface_has_gatewayv6($ifname)) {
continue;
}
if (empty($config['interfaces'][$ifname]))
if (empty($config['interfaces'][$ifname])) {
continue;
}
$ifcfg = &$config['interfaces'][$ifname];
if(!isset($ifcfg['enable']))
if (!isset($ifcfg['enable'])) {
continue;
}
if(!empty($ifcfg['ipaddrv6']) && is_ipaddrv6($ifcfg['ipaddrv6']))
if (!empty($ifcfg['ipaddrv6']) && is_ipaddrv6($ifcfg['ipaddrv6'])) {
continue;
}
if(isset($interfaces_v6[$ifname]))
if (isset($interfaces_v6[$ifname])) {
continue;
}
$ctype = "";
switch($ifcfg['ipaddrv6']) {
......@@ -664,12 +708,14 @@ function return_gateways_array($disabled = false, $localhost = false, $inactive
$tunnelif = substr($ifcfg['if'], 0, 3);
if (substr($ifcfg['if'], 0, 4) == "ovpn") {
// if current iface is an ovpn server endpoint then skip it
if (substr($ifcfg['if'], 4, 1) == 's')
if (substr($ifcfg['if'], 4, 1) == 's') {
continue 2;
}
$ctype = "VPNv6";
} else if ($tunnelif == "gif" || $tunnelif == "gre")
} elseif ($tunnelif == "gif" || $tunnelif == "gre") {
$ctype = "TUNNELv6";
}
break;
}
$ctype = "_". strtoupper($ctype);
......@@ -696,18 +742,21 @@ function return_gateways_array($disabled = false, $localhost = false, $inactive
}
/* Loopback dummy for dynamic interfaces without a IP */
if (!is_ipaddrv6($gateway['gateway']) && $gateway['dynamic'] == true)
if (!is_ipaddrv6($gateway['gateway']) && $gateway['dynamic'] == true) {
$gateway['gateway'] = "dynamic";
}
/* automatically skip known static and dynamic gateways we have a array entry for */
foreach($gateways_arr as $gateway_item) {
if ((($ifname == $gateway_item['friendlyiface'] && $friendly == $gateway_item['name']) && ($gateway['ipprotocol'] == $gateway_item['ipprotocol'])) ||
($ifname == $gateway_item['friendlyiface'] && $gateway_item['dynamic'] == true) && ($gateway['ipprotocol'] == $gateway_item['ipprotocol']))
($ifname == $gateway_item['friendlyiface'] && $gateway_item['dynamic'] == true) && ($gateway['ipprotocol'] == $gateway_item['ipprotocol'])) {
continue 2;
}
}
if (is_ipaddrv6($gateway['gateway']))
if (is_ipaddrv6($gateway['gateway'])) {
$gateway['monitor'] = $gateway['gateway'];
}
$gateway['descr'] = "Interface {$friendly}{$ctype} Gateway";
$gateway['monitor_disable'] = true;
......@@ -736,7 +785,7 @@ function return_gateways_array($disabled = false, $localhost = false, $inactive
}
}
if($localhost === true) {
if ($localhost === true) {
/* attach localhost for Null routes */
$gwlo4 = array();
$gwlo4['name'] = "Null4";
......@@ -768,27 +817,32 @@ function fixup_default_gateway($ipprotocol, $gateways_status, $gateways_arr)
if (($gwsttng['ipprotocol'] == $ipprotocol) && isset($gwsttng['defaultgw'])) {
$dfltgwfound = true;
$dfltgwname = $gwname;
if (!isset($gwsttng['monitor_disable']) && stristr($gateways_status[$gwname]['status'], "down"))
if (!isset($gwsttng['monitor_disable']) && stristr($gateways_status[$gwname]['status'], "down")) {
$dfltgwdown = true;
}
}
/* Keep a record of the last up gateway */
/* XXX: Blacklist lan for now since it might cause issues to those who have a gateway set for it */
if (empty($upgw) && ($gwsttng['ipprotocol'] == $ipprotocol) && (isset($gwsttng['monitor_disable']) || !stristr($gateways_status[$gwname]['status'], "down")) && $gwsttng[$gwname]['friendlyiface'] != "lan")
if (empty($upgw) && ($gwsttng['ipprotocol'] == $ipprotocol) && (isset($gwsttng['monitor_disable']) || !stristr($gateways_status[$gwname]['status'], "down")) && $gwsttng[$gwname]['friendlyiface'] != "lan") {
$upgw = $gwname;
if ($dfltgwdown == true && !empty($upgw))
}
if ($dfltgwdown == true && !empty($upgw)) {
break;
}
}
if ($dfltgwfound == false) {
$gwname = convert_friendly_interface_to_friendly_descr("wan");
if (!empty($gateways_status[$gwname]) && stristr($gateways_status[$gwname]['status'], "down"))
if (!empty($gateways_status[$gwname]) && stristr($gateways_status[$gwname]['status'], "down")) {
$dfltgwdown = true;
}
}
if ($dfltgwdown == true && !empty($upgw)) {
if ($gateways_arr[$upgw]['gateway'] == "dynamic")
if ($gateways_arr[$upgw]['gateway'] == "dynamic") {
$gateways_arr[$upgw]['gateway'] = get_interface_gateway($gateways_arr[$upgw]['friendlyiface']);
}
if (is_ipaddr($gateways_arr[$upgw]['gateway'])) {
log_error("Default gateway down setting {$upgw} as default!");
if(is_ipaddrv6($gateways_arr[$upgw]['gateway'])) {
if (is_ipaddrv6($gateways_arr[$upgw]['gateway'])) {
$inetfamily = "-inet6";
} else {
$inetfamily = "-inet";
......@@ -798,7 +852,7 @@ function fixup_default_gateway($ipprotocol, $gateways_status, $gateways_arr)
}
} else {
$defaultgw = trim(exec("/sbin/route -n get -{$ipprotocol} default | /usr/bin/awk '/gateway:/ {print $2}'"), " \n");
if(is_ipaddrv6($gateways_arr[$dfltgwname]['gateway'])) {
if (is_ipaddrv6($gateways_arr[$dfltgwname]['gateway'])) {
$inetfamily = "-inet6";
} else {
$inetfamily = "-inet";
......@@ -838,14 +892,16 @@ function return_gateway_groups_array()
list($gwname, $tier, $vipname) = explode("|", $item);
if (is_ipaddr($carplist[$vipname])) {
if (!is_array($gwvip_arr[$group['name']]))
if (!is_array($gwvip_arr[$group['name']])) {
$gwvip_arr[$group['name']] = array();
}
$gwvip_arr[$group['name']][$gwname] = $vipname;
}
/* Do it here rather than reiterating again the group in case no member is up. */
if (!is_array($backupplan[$tier]))
if (!is_array($backupplan[$tier])) {
$backupplan[$tier] = array();
}
$backupplan[$tier][] = $gwname;
/* check if the gateway is available before adding it to the array */
......@@ -870,8 +926,9 @@ function return_gateway_groups_array()
notify_via_smtp($msg);
} else {
/* Online add member */
if (!is_array($tiers[$tier]))
if (!is_array($tiers[$tier])) {
$tiers[$tier] = array();
}
$tiers[$tier][] = $gwname;
}
} elseif (isset($gateways_arr[$gwname]['monitor_disable'])) {
......@@ -901,10 +958,11 @@ function return_gateway_groups_array()
$gateway = $gateways_arr[$member];
$int = $gateway['interface'];
$gatewayip = "";
if(is_ipaddr($gateway['gateway']))
if (is_ipaddr($gateway['gateway'])) {
$gatewayip = $gateway['gateway'];
else if (!empty($int))
} elseif (!empty($int)) {
$gatewayip = get_interface_gateway($gateway['friendlyiface']);
}
if (!empty($int)) {
$gateway_groups_array[$group['name']]['ipprotocol'] = $gateway['ipprotocol'];
......@@ -913,39 +971,42 @@ function return_gateway_groups_array()
$groupmember['int'] = $int;
$groupmember['gwip'] = $gatewayip;
$groupmember['weight'] = isset($gateway['weight']) ? $gateway['weight'] : 1;
if (is_array($gwvip_arr[$group['name']])&& !empty($gwvip_arr[$group['name']][$member]))
if (is_array($gwvip_arr[$group['name']])&& !empty($gwvip_arr[$group['name']][$member])) {
$groupmember['vip'] = $gwvip_arr[$group['name']][$member];
}
$gateway_groups_array[$group['name']][] = $groupmember;
}
}
}
}
/* we should have the 1st available tier now, exit stage left */
if (count($gateway_groups_array[$group['name']]) > 0)
if (count($gateway_groups_array[$group['name']]) > 0) {
break;
else
} else {
log_error("GATEWAYS: Group {$group['name']} did not have any gateways up on tier {$tieridx}!");
}
}
}
}
return ($gateway_groups_array);
}
function lookup_gateway_ip_by_name($name) {
function lookup_gateway_ip_by_name($name)
{
$gateways_arr = return_gateways_array(true, true);
foreach ($gateways_arr as $gname => $gw) {
if ($gw['name'] === $name || $gname === $name)
if ($gw['name'] === $name || $gname === $name) {
return $gw['gateway'];
}
}
return false;
}
function lookup_gateway_interface_by_name($name) {
function lookup_gateway_interface_by_name($name)
{
$gateways_arr = return_gateways_array(false, true);
if (!empty($gateways_arr[$name])) {
$interfacegw = $gateways_arr[$name]['friendlyiface'];
......@@ -965,7 +1026,7 @@ function get_interface_gateway($interface, &$dynamic = false)
$gwcfg = $config['interfaces'][$interface];
if (!empty($gwcfg['gateway']) && isset($config['gateways']['gateway_item'])) {
foreach($config['gateways']['gateway_item'] as $gateway) {
if(($gateway['name'] == $gwcfg['gateway']) && (is_ipaddrv4($gateway['gateway']))) {
if (($gateway['name'] == $gwcfg['gateway']) && (is_ipaddrv4($gateway['gateway']))) {
$gw = $gateway['gateway'];
break;
}
......@@ -997,7 +1058,7 @@ function get_interface_gateway_v6($interface, &$dynamic = false)
$gwcfg = $config['interfaces'][$interface];
if (!empty($gwcfg['gatewayv6']) && isset($config['gateways']['gateway_item'])) {
foreach($config['gateways']['gateway_item'] as $gateway) {
if(($gateway['name'] == $gwcfg['gatewayv6']) && (is_ipaddrv6($gateway['gateway']))) {
if (($gateway['name'] == $gwcfg['gatewayv6']) && (is_ipaddrv6($gateway['gateway']))) {
$gw = $gateway['gateway'];
break;
}
......@@ -1011,9 +1072,9 @@ function get_interface_gateway_v6($interface, &$dynamic = false)
$gw = trim(file_get_contents("/tmp/{$realif}_routerv6"), " \n");
$dynamic = true;
}
if (file_exists("/tmp/{$realif}_defaultgwv6"))
if (file_exists("/tmp/{$realif}_defaultgwv6")) {
$dynamic = "default";
}
}
/* return gateway */
return ($gw);
......@@ -1021,34 +1082,43 @@ function get_interface_gateway_v6($interface, &$dynamic = false)
/* Check a IP address against a gateway IP or name
* to verify it's address family */
function validate_address_family($ipaddr, $gwname) {
function validate_address_family($ipaddr, $gwname)
{
$v4ip = false;
$v6ip = false;
$v4gw = false;
$v6gw = false;
if(is_ipaddrv4($ipaddr))
if (is_ipaddrv4($ipaddr)) {
$v4ip = true;
if(is_ipaddrv6($ipaddr))
}
if (is_ipaddrv6($ipaddr)) {
$v6ip = true;
if(is_ipaddrv4($gwname))
}
if (is_ipaddrv4($gwname)) {
$v4gw = true;
if(is_ipaddrv6($gwname))
}
if (is_ipaddrv6($gwname)) {
$v6gw = true;
}
if($v4ip && $v4gw)
if ($v4ip && $v4gw) {
return true;
if($v6ip && $v6gw)
}
if ($v6ip && $v6gw) {
return true;
}
/* still no match, carry on, lookup gateways */
if(is_ipaddrv4(lookup_gateway_ip_by_name($gwname)))
if (is_ipaddrv4(lookup_gateway_ip_by_name($gwname))) {
$v4gw = true;
if(is_ipaddrv6(lookup_gateway_ip_by_name($gwname)))
}
if (is_ipaddrv6(lookup_gateway_ip_by_name($gwname))) {
$v6gw = true;
}
$gw_array = return_gateways_array();
if(is_array($gw_array[$gwname])) {
if (is_array($gw_array[$gwname])) {
switch($gw_array[$gwname]['ipprotocol']) {
case "inet":
$v4gw = true;
......@@ -1059,13 +1129,12 @@ function validate_address_family($ipaddr, $gwname) {
}
}
if($v4ip && $v4gw)
if ($v4ip && $v4gw) {
return true;
if($v6ip && $v6gw)
}
if ($v6ip && $v6gw) {
return true;
}
return false;
}
?>
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