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util.inc
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<?php
/*
* Copyright (C) 2014-2020 Franco Fichtner <franco@opnsense.org>
* Copyright (C) 2010 Ermal Luçi
* Copyright (C) 2005-2006 Colin Smith <ethethlay@gmail.com>
* Copyright (C) 2004-2007 Scott Ullrich <sullrich@gmail.com>
* Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
require_once("IPv6.inc");
function killbyname($procname, $sig = 'TERM')
{
if (!is_process_running($procname)) {
return;
}
mwexecf('/bin/pkill -%s %s', array($sig, $procname));
}
function killbypid($pidfile, $sig = 'TERM', $waitforit = false)
{
if (is_numeric($pidfile) && $pidfile > 1) {
mwexecf('/bin/kill -%s %s', array($sig, $pidfile));
} elseif (isvalidpid($pidfile)) {
mwexecf('/bin/pkill -%s -F %s', array($sig, $pidfile));
} else {
return;
}
if (!$waitforit) {
return;
}
while (isvalidpid($pidfile)) {
usleep(200 * 1000);
}
}
function isvalidpid($pidfile)
{
if (is_numeric($pidfile) && $pidfile > 1) {
return mwexecf('/bin/kill -0 %s', $pidfile, true) == 0;
} elseif (file_exists($pidfile)) {
return mwexecf('/bin/pgrep -nF %s', $pidfile, true) == 0;
}
return false;
}
function waitforpid($pidfile, $timeout = -1)
{
$msec = $timeout * 1000;
while (!isvalidpid($pidfile)) {
usleep(200 * 1000);
if ($timeout != -1) {
$msec -= 200;
if ($msec < 0) {
return 0;
}
}
}
return trim(file_get_contents($pidfile));
}
function is_process_running($process)
{
exec('/bin/pgrep -anx ' . escapeshellarg($process), $output, $retval);
return (intval($retval) == 0);
}
function service_by_name($name, $filter = array())
{
$services = plugins_services();
foreach ($services as $service) {
if ($service['name'] != $name) {
continue;
}
if (!count($filter)) {
/* force match if filter wasn't set (standard behaviour) */
$filter['name'] = $name;
}
foreach ($filter as $key => $value) {
if (isset($service[$key]) && $service[$key] == $value) {
return $service;
}
}
}
return array();
}
function service_status($service)
{
if (!empty($service['nocheck'])) {
return true;
}
if (isset($service['pidfile'])) {
return isvalidpid($service['pidfile']);
}
return is_process_running($service['name']);
}
function service_control_start($name, $extras)
{
$filter = array();
if (!empty($extras['id'])) {
$filter['id'] = $extras['id'];
}
$service = service_by_name($name, $filter);
if (!isset($service['name'])) {
return sprintf(gettext("Could not start unknown service `%s'"), htmlspecialchars($name));
}
if (isset($service['configd']['start'])) {
foreach ($service['configd']['start'] as $cmd) {
configd_run($cmd);
}
} elseif (isset($service['php']['start'])) {
foreach ($service['php']['start'] as $cmd) {
$params = array();
if (isset($service['php']['args'])) {
foreach ($service['php']['args'] as $param) {
$params[] = $service[$param];
}
}
call_user_func_array($cmd, $params);
}
} elseif (isset($service['mwexec']['start'])) {
foreach ($service['mwexec']['start'] as $cmd) {
mwexec($cmd);
}
} else {
return sprintf(gettext("Could not start service `%s'"), htmlspecialchars($name));
}
return sprintf(gettext("Service `%s' has been started."), htmlspecialchars($name));
}
function service_control_stop($name, $extras)
{
$filter = array();
if (!empty($extras['id'])) {
$filter['id'] = $extras['id'];
}
$service = service_by_name($name, $filter);
if (!isset($service['name'])) {
return sprintf(gettext("Could not stop unknown service `%s'"), htmlspecialchars($name));
}
if (isset($service['configd']['stop'])) {
foreach ($service['configd']['stop'] as $cmd) {
configd_run($cmd);
}
} elseif (isset($service['php']['stop'])) {
foreach ($service['php']['stop'] as $cmd) {
$cmd();
}
} elseif (isset($service['mwexec']['stop'])) {
foreach ($service['mwexec']['stop'] as $cmd) {
mwexec($cmd);
}
} elseif (isset($service['pidfile'])) {
killbypid($service['pidfile'], 'TERM', true);
} else {
/* last resort, but not very elegant */
killbyname($service['name']);
}
return sprintf(gettext("Service `%s' has been stopped."), htmlspecialchars($name));
}
function service_control_restart($name, $extras)
{
$filter = array();
if (!empty($extras['id'])) {
$filter['id'] = $extras['id'];
}
$service = service_by_name($name, $filter);
if (!isset($service['name'])) {
return sprintf(gettext("Could not restart unknown service `%s'"), htmlspecialchars($name));
}
if (isset($service['configd']['restart'])) {
foreach ($service['configd']['restart'] as $cmd) {
configd_run($cmd);
}
} elseif (isset($service['php']['restart'])) {
foreach ($service['php']['restart'] as $cmd) {
$params = array();
if (isset($service['php']['args'])) {
foreach ($service['php']['args'] as $param) {
$params[] = $service[$param];
}
}
call_user_func_array($cmd, $params);
}
} elseif (isset($service['mwexec']['restart'])) {
foreach ($service['mwexec']['restart'] as $cmd) {
mwexec($cmd);
}
} else {
return sprintf(gettext("Could not restart service `%s'"), htmlspecialchars($name));
}
return sprintf(gettext("Service `%s' has been restarted."), htmlspecialchars($name));
}
function list_dh_parameters()
{
global $config;
$available = array(1024, 2048, 4096);
if (!empty($config['system']['dhparamusage'])) {
switch ($config['system']['dhparamusage']) {
case 'rfc7919':
$available = array(2048, 3072, 4096);
break;
default:
/* XXX whatever we have on the disk */
break;
}
}
return $available;
}
function get_dh_parameters($bits)
{
global $config;
$file = "/usr/local/etc/dh-parameters.{$bits}";
if (!empty($config['system']['dhparamusage'])) {
switch ($config['system']['dhparamusage']) {
case 'rfc7919':
return "{$file}.rfc7919";
default:
break;
}
}
if (empty($config['system']['dhparamusage']) || !file_exists($file)) {
/*
* Use the sample file if the normal file is MIA
* or when the renew interval is not set:
*/
$file .= '.sample';
}
return $file;
}
function is_subsystem_dirty($subsystem = '')
{
return file_exists("/tmp/{$subsystem}.dirty");
}
function mark_subsystem_dirty($subsystem = '')
{
touch("/tmp/{$subsystem}.dirty");
}
function clear_subsystem_dirty($subsystem = '')
{
@unlink("/tmp/{$subsystem}.dirty");
}
/* lock configuration file */
function lock($lock, $op = LOCK_SH)
{
if (!$lock) {
die(gettext("WARNING: You must give a name as parameter to lock() function."));
}
if (!file_exists("{/tmp/{$lock}.lock")) {
@touch("/tmp/{$lock}.lock");
@chmod("/tmp/{$lock}.lock", 0666);
}
if ($fp = fopen("/tmp/{$lock}.lock", "w")) {
if (flock($fp, $op)) {
return $fp;
} else {
fclose($fp);
}
}
}
/* unlock configuration file */
function unlock($cfglckkey = null)
{
if ($cfglckkey) {
flock($cfglckkey, LOCK_UN);
fclose($cfglckkey);
}
}
/* validate non-negative numeric string, or equivalent numeric variable */
function is_numericint($arg)
{
return (((is_int($arg) && $arg >= 0) || (is_string($arg) && strlen($arg) > 0 && ctype_digit($arg))) ? true : false);
}
/* return the subnet address given a host address and a subnet bit count */
function gen_subnet($ipaddr, $bits)
{
if (!is_ipaddr($ipaddr) || !is_numeric($bits)) {
return '';
}
return long2ip(ip2long($ipaddr) & gen_subnet_mask_long($bits));
}
/* return the subnet address given a host address and a subnet bit count */
function gen_subnetv6($ipaddr, $bits)
{
if (!is_ipaddrv6($ipaddr) || !is_numeric($bits)) {
return '';
}
$address = Net_IPv6::getNetmask($ipaddr, $bits);
$address = Net_IPv6::compress($address);
return $address;
}
/* return the highest (broadcast) address in the subnet given a host address and a subnet bit count */
function gen_subnet_max($ipaddr, $bits)
{
if (!is_ipaddr($ipaddr) || !is_numeric($bits)) {
return '';
}
return long2ip32(ip2long($ipaddr) | ~gen_subnet_mask_long($bits));
}
/* Generate end number for a given ipv6 subnet mask */
function gen_subnetv6_max($ipaddr, $bits)
{
$result = false;
if (!is_ipaddrv6($ipaddr)) {
return false;
}
set_error_handler(
function () {
return;
}
);
$mask = Net_IPv6::getNetmask('FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF', $bits);
$inet_ip = (binary)inet_pton($ipaddr);
if ($inet_ip) {
$inet_mask = (binary)inet_pton($mask);
if ($inet_mask) {
$inet_end = $inet_ip | ~$inet_mask;
$result = inet_ntop($inet_end);
}
}
restore_error_handler();
return $result;
}
/* returns the calculated bit length of the prefix delegation from a WAN interface */
function calculate_ipv6_delegation_length($if)
{
global $config;
$pdlen = -1;
if (!isset($config['interfaces'][$if]['ipaddrv6'])) {
return $pdlen;
}
switch ($config['interfaces'][$if]['ipaddrv6']) {
case '6to4':
$pdlen = 16;
break;
case '6rd':
$rd6cfg = $config['interfaces'][$if];
$rd6plen = explode('/', $rd6cfg['prefix-6rd']);
$pdlen = 64 - ($rd6plen[1] + (32 - $rd6cfg['prefix-6rd-v4plen']));
if ($pdlen == 0) {
/* XXX bug reports this is not working, needs investigation */
$pdlen = -1;
}
break;
case 'dhcp6':
$dhcp6cfg = $config['interfaces'][$if];
if (is_numeric($dhcp6cfg['dhcp6-ia-pd-len'])) {
$pdlen = $dhcp6cfg['dhcp6-ia-pd-len'];
}
break;
default:
break;
}
return $pdlen;
}
/* returns a subnet mask (long given a bit count) */
function gen_subnet_mask_long($bits)
{
$sm = 0;
for ($i = 0; $i < $bits; $i++) {
$sm >>= 1;
$sm |= 0x80000000;
}
return $sm;
}
/* same as above but returns a string */
function gen_subnet_mask($bits)
{
return long2ip(gen_subnet_mask_long($bits));
}
/* Convert long int to IP address, truncating to 32-bits. */
function long2ip32($ip)
{
return long2ip($ip & 0xFFFFFFFF);
}
/* Convert IP address to long int, truncated to 32-bits to avoid sign extension on 64-bit platforms. */
function ip2long32($ip)
{
return ( ip2long($ip) & 0xFFFFFFFF );
}
/* Convert IP address to unsigned long int. */
function ip2ulong($ip)
{
return sprintf("%u", ip2long32($ip));
}
/* Find out how many IPs are contained within a given IP range
* e.g. 192.168.0.0 to 192.168.0.255 returns 256
*/
function ip_range_size($startip, $endip)
{
if (is_ipaddr($startip) && is_ipaddr($endip)) {
// Operate as unsigned long because otherwise it wouldn't work
// when crossing over from 127.255.255.255 / 128.0.0.0 barrier
return abs(ip2ulong($startip) - ip2ulong($endip)) + 1;
}
return -1;
}
/* Find the smallest possible subnet mask which can contain a given number of IPs
* e.g. 512 IPs can fit in a /23, but 513 IPs need a /22
*/
function find_smallest_cidr($number)
{
$smallest = 1;
for ($b = 32; $b > 0; $b--) {
$smallest = ($number <= pow(2, $b)) ? $b : $smallest;
}
return (32 - $smallest);
}
/* Return the previous IP address before the given address */
function ip_before($ip)
{
return long2ip32(ip2long($ip) - 1);
}
/* Return the next IP address after the given address */
function ip_after($ip)
{
return long2ip32(ip2long($ip) + 1);
}
/* Return true if the first IP is 'before' the second */
function ip_less_than($ip1, $ip2)
{
// Compare as unsigned long because otherwise it wouldn't work when
// crossing over from 127.255.255.255 / 128.0.0.0 barrier
return ip2ulong($ip1) < ip2ulong($ip2);
}
/* Return true if the first IP is 'after' the second */
function ip_greater_than($ip1, $ip2)
{
// Compare as unsigned long because otherwise it wouldn't work
// when crossing over from 127.255.255.255 / 128.0.0.0 barrier
return ip2ulong($ip1) > ip2ulong($ip2);
}
/* Convert a range of IPs to an array of subnets which can contain the range. */
function ip_range_to_subnet_array($startip, $endip)
{
if (!is_ipaddr($startip) || !is_ipaddr($endip)) {
return array();
}
// Container for subnets within this range.
$rangesubnets = array();
// Figure out what the smallest subnet is that holds the number of IPs in the given range.
$cidr = find_smallest_cidr(ip_range_size($startip, $endip));
// Loop here to reduce subnet size and retest as needed. We need to make sure
// that the target subnet is wholly contained between $startip and $endip.
for (; $cidr <= 32; $cidr++) {
// Find the network and broadcast addresses for the subnet being tested.
$targetsub_min = gen_subnet($startip, $cidr);
$targetsub_max = gen_subnet_max($startip, $cidr);
// Check best case where the range is exactly one subnet.
if (($targetsub_min == $startip) && ($targetsub_max == $endip)) {
// Hooray, the range is exactly this subnet!
return array("{$startip}/{$cidr}");
}
// These remaining scenarios will find a subnet that uses the largest
// chunk possible of the range being tested, and leave the rest to be
// tested recursively after the loop.
// Check if the subnet begins with $startip and ends before $endip
if (($targetsub_min == $startip) && ip_less_than($targetsub_max, $endip)) {
break;
}
// Check if the subnet ends at $endip and starts after $startip
if (ip_greater_than($targetsub_min, $startip) && ($targetsub_max == $endip)) {
break;
}
// Check if the subnet is between $startip and $endip
if (ip_greater_than($targetsub_min, $startip) && ip_less_than($targetsub_max, $endip)) {
break;
}
}
// Some logic that will recursivly search from $startip to the first IP before the start of the subnet we just found.
// NOTE: This may never be hit, the way the above algo turned out, but is left for completeness.
if ($startip != $targetsub_min) {
$rangesubnets = array_merge($rangesubnets, ip_range_to_subnet_array($startip, ip_before($targetsub_min)));
}
// Add in the subnet we found before, to preserve ordering
$rangesubnets[] = "{$targetsub_min}/{$cidr}";
// And some more logic that will search after the subnet we found to fill in to the end of the range.
if ($endip != $targetsub_max) {
$rangesubnets = array_merge($rangesubnets, ip_range_to_subnet_array(ip_after($targetsub_max), $endip));
}
return $rangesubnets;
}
/* returns true if $ipaddr is a valid dotted IPv4 address or an IPv6 */
function is_ipaddr($ipaddr)
{
if (is_ipaddrv4($ipaddr)) {
return true;
}
if (is_ipaddrv6($ipaddr)) {
return true;
}
return false;
}
/* returns true if $ipaddr is a valid IPv6 address */
function is_ipaddrv6($ipaddr)
{
if (!is_string($ipaddr) || empty($ipaddr)) {
return false;
}
if (strstr($ipaddr, "%") && is_linklocal($ipaddr)) {
$tmpip = explode("%", $ipaddr);
$ipaddr = $tmpip[0];
}
if (strpos($ipaddr, ":") === false) {
return false;
} elseif (strpos($ipaddr, "/") !== false) {
return false; // subnet is not an address
} else {
return Net_IPv6::checkIPv6($ipaddr);
}
}
/* returns true if $ipaddr is a valid dotted IPv4 address */
function is_ipaddrv4($ipaddr)
{
if (!is_string($ipaddr) || empty($ipaddr)) {
return false;
}
$ip_long = ip2long($ipaddr);
$ip_reverse = long2ip32($ip_long);
if ($ipaddr == $ip_reverse) {
return true;
} else {
return false;
}
}
/* returns true if $ipaddr is a valid linklocal address */
function is_linklocal($ipaddr)
{
return (strtolower(substr($ipaddr, 0, 5)) == "fe80:");
}
/* returns true if $ipaddr is a valid literal IPv6 address */
function is_literalipaddrv6($ipaddr)
{
if (preg_match("/\[([0-9a-f:]+)\]/i", $ipaddr, $match)) {
$ipaddr = $match[1];
} else {
return false;
}
return is_ipaddrv6($ipaddr);
}
function is_ipaddrwithport($ipport)
{
$parts = explode(":", $ipport);
$port = array_pop($parts);
if (count($parts) == 1) {
return is_ipaddrv4($parts[0]) && is_port($port);
} elseif (count($parts) > 1) {
return is_literalipaddrv6(implode(":", $parts)) && is_port($port);
} else {
return false;
}
}
function is_hostnamewithport($hostport)
{
$parts = explode(":", $hostport);
$port = array_pop($parts);
if (count($parts) == 1) {
return is_hostname($parts[0]) && is_port($port);
} else {
return false;
}
}
/* returns true if $ipaddr is a valid dotted IPv4 address or an alias thereof */
function is_ipaddroralias($ipaddr)
{
if (is_alias($ipaddr)) {
foreach ((new \OPNsense\Firewall\Alias())->aliasIterator() as $alias) {
if ($alias['name'] == $ipaddr && !preg_match("/port/i", $alias['type'])) {
return true;
}
}
return false;
}
return is_ipaddr($ipaddr);
}
/* returns true if $subnet is a valid IPv4 or IPv6 subnet in CIDR format
false - if not a valid subnet
true (numeric 4 or 6) - if valid, gives type of subnet */
function is_subnet($subnet)
{
if (is_string($subnet) && preg_match('/^(?:([0-9.]{7,15})|([0-9a-f:]{2,39}))\/(\d{1,3})$/i', $subnet, $parts)) {
if (is_ipaddrv4($parts[1]) && $parts[3] <= 32) {
return 4;
}
if (is_ipaddrv6($parts[2]) && $parts[3] <= 128) {
return 6;
}
}
return false;
}
/* same as is_subnet() but accepts IPv4 only */
function is_subnetv4($subnet)
{
return (is_subnet($subnet) == 4);
}
/* same as is_subnet() but accepts IPv6 only */
function is_subnetv6($subnet)
{
return (is_subnet($subnet) == 6);
}
/* returns true if $hostname is a valid hostname */
function is_hostname($hostname)
{
if (!is_string($hostname)) {
return false;
}
if (preg_match('/^(?:(?:[a-z0-9_]|[a-z0-9_][a-z0-9_\-]*[a-z0-9_])\.)*(?:[a-z0-9_]|[a-z0-9_][a-z0-9_\-]*[a-z0-9_])$/i', $hostname)) {
return true;
} else {
return false;
}
}
/* returns true if $domain is a valid domain name */
function is_domain($domain)
{
if (!is_string($domain)) {
return false;
}
if (preg_match('/^(?:(?:[a-z0-9]|[a-z0-9][a-z0-9\-]*[a-z0-9])\.)*(?:[a-z0-9]|[a-z0-9][a-z0-9\-]*[a-z0-9])$/i', $domain)) {
return true;
} else {
return false;
}
}
/* returns true if $macaddr is a valid MAC address */
function is_macaddr($macaddr, $partial = false)
{
$repeat = ($partial) ? '1,5' : '5';
return preg_match('/^[0-9A-F]{2}(?:[:][0-9A-F]{2}){' . $repeat . '}$/i', $macaddr) == 1 ? true : false;
}
/* returns true if $port is a valid TCP/UDP port */
function is_port($port)
{
if (getservbyname($port, "tcp") || getservbyname($port, "udp")) {
return true;
}
if (!ctype_digit($port)) {
return false;
} elseif ((intval($port) < 1) || (intval($port) > 65535)) {
return false;
}
return true;
}
/* returns true if $portrange is a valid TCP/UDP portrange ("<port>:<port>") */
function is_portrange($portrange)
{
$ports = explode(":", $portrange);
return (count($ports) == 2 && is_port($ports[0]) && is_port($ports[1]));
}
/* returns true if $port is a valid port number or an alias thereof */
function is_portoralias($port)
{
if (is_alias($port)) {
foreach ((new \OPNsense\Firewall\Alias())->aliasIterator() as $alias) {
if ($alias['name'] == $port && preg_match("/port/i", $alias['type'])) {
return true;
}
}
return false;
}
return is_port($port);
}
/* returns true if $test is in the range between $start and $end */
function is_inrange_v4($test, $start, $end)
{
if ((ip2ulong($test) <= ip2ulong($end)) && (ip2ulong($test) >= ip2ulong($start))) {
return true;
} else {
return false;
}
}
/* returns true if $test is in the range between $start and $end */
function is_inrange_v6($test, $start, $end)
{
if ((inet_pton($test) <= inet_pton($end)) && (inet_pton($test) >= inet_pton($start))) {
return true;
} else {
return false;
}
}
/* returns true if $test is in the range between $start and $end */
function is_inrange($test, $start, $end)
{
return is_ipaddrv6($test) ? is_inrange_v6($test, $start, $end) : is_inrange_v4($test, $start, $end);
}
/* XXX: return the configured carp interface list */
function get_configured_carp_interface_list($carpinterface = '', $family = 'inet')
{
$iflist = array();
foreach (config_read_array('virtualip', 'vip') as $vip) {
switch ($vip['mode']) {
case 'carp':
if (!empty($carpinterface)) {
if ($carpinterface == "{$vip['interface']}_vip{$vip['vhid']}") {
if ($family == 'inet' && is_ipaddrv4($vip['subnet'])) {
return $vip['subnet'];
} elseif ($family == 'inet6' && is_ipaddrv6($vip['subnet'])) {
return $vip['subnet'];
}
}
} else {
$iflist["{$vip['interface']}_vip{$vip['vhid']}"] = $vip['subnet'];
}
break;
}
}
return $iflist;
}
function get_configured_ip_aliases_list()
{
$alias_list = array();
foreach (config_read_array('virtualip', 'vip') as $vip) {
if ($vip['mode'] == 'ipalias') {
$alias_list[$vip['subnet']] = $vip['interface'];
}
}
return $alias_list;
}
/* return all configured aliases list (IP, carp, proxyarp and other) */
function get_configured_vips_list()
{
$alias_list = array();
foreach (config_read_array('virtualip', 'vip') as $vip) {
if ($vip['mode'] == 'carp') {
$alias_list[] = array('ipaddr' => $vip['subnet'], 'if' => "{$vip['interface']}_vip{$vip['vhid']}");
} else {
$alias_list[] = array('ipaddr' => $vip['subnet'], 'if' => $vip['interface']);
}
}
return $alias_list;
}
function get_configured_interface_with_descr()
{
$iflist = array();
foreach (legacy_config_get_interfaces(array('virtual' => false)) as $if => $ifdetail) {
if (isset($ifdetail['enable'])) {
$iflist[$if] = $ifdetail['descr'];
}
}
return $iflist;
}
/*
* get_configured_ip_addresses() - Return a list of all configured
* interfaces IP Addresses (ipv4+ipv6)
*
*/
function get_configured_ip_addresses()
{
$ip_array = array();
foreach (legacy_interfaces_details() as $ifname => $if) {
foreach (array('ipv4', 'ipv6') as $iptype) {
if (!empty($if[$iptype])) {
foreach ($if[$iptype] as $addr) {
if (!empty($addr['ipaddr'])) {
$scope = $addr['link-local'] ? "%{$ifname}" : '';
$ip_array[$addr['ipaddr'] . $scope] = $ifname;
}
}
}
}
}
return $ip_array;
}
/*
* get_interface_list() - Return a list of all physical interfaces
* along with MAC, IPv4 and status.
*
* $only_active = false -- interfaces that are available in the system
* true -- interfaces that are physically connected
*
* $include_dmesg = false -- skip probing dmesg for more information
* true -- probe dmesg for more information
*/
function get_interface_list($only_active = false, $include_dmesg = false)
{
$dmesg_arr = array();
$iflist = array();
if ($include_dmesg) {
exec('/sbin/dmesg', $dmesg_arr);
}
/* list of virtual interface types */
$vfaces = array(
'_vlan',
'_wlan',
'bridge',
'carp',
'enc',
'faith',
'gif',
'gre',
'ipfw',
'l2tp',
'lagg',
'lo',
'ng',
'pflog',
'plip',
'ppp',
'pppoe',
'pptp',
'pfsync',
'sl',
'tun',
'vip'
);
$ifnames_up = legacy_interface_listget('up');
$ifnames = legacy_interface_listget();
$all_interfaces = legacy_config_get_interfaces(array('virtual' => false));
$all_interface_data = legacy_interfaces_details();
if ($only_active) {
$_ifnames = array();
$all_stats = legacy_interface_stats();
foreach ($ifnames as $ifname) {
$ifinfo = $all_stats[$ifname];
if (!empty($ifinfo['link state']) && $ifinfo['link state'] == '2') {
$_ifnames[] = $ifname;
}
}
$ifnames = $_ifnames;
}
foreach ($ifnames as $ifname) {
$tmp_ifnames = preg_split('/\d/', $ifname);
if (in_array(array_shift($tmp_ifnames), $vfaces)) {
continue;
}
$ifdata = !empty($all_interface_data[$ifname]) ? $all_interface_data[$ifname] : array();
$toput = array(
'up' => in_array($ifname, $ifnames_up),
'ipaddr' => !empty($ifdata['ipv4'][0]['ipaddr']) ? $ifdata['ipv4'][0]['ipaddr'] : null,
'mac' => !empty($ifdata['macaddr']) ? $ifdata['macaddr'] : null,
'dmesg' => '',
);
foreach ($all_interfaces as $name => $int) {
if ($int['if'] == $ifname) {
$toput['friendly'] = $name;
break;
}
}
foreach ($dmesg_arr as $dmesg_line) {
$dmesg = array();
if (preg_match("/^{$ifname}: <(.*?)>/i", $dmesg_line, $dmesg) == 1) {
$toput['dmesg'] = $dmesg[1];
break;
}
}
$iflist[$ifname] = $toput;