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<?php
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2
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require_once("util.inc");
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require_once("config.inc");
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require_once("functions.inc");
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require_once("shaper.inc");
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6
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$shortcut_section = "upnp";
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/* MiniUPnPd */
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function upnp_notice($msg) {
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log_error("miniupnpd: {$msg}");
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}
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function upnp_warn($msg) {
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log_error("miniupnpd: {$msg}");
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}
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function upnp_running () {
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if ((int)exec('/bin/pgrep -a miniupnpd | /usr/bin/wc -l') > 0) {
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return true;
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}
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return false;
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}
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function upnp_write_config($file, $text) {
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$handle = fopen($file, 'w');
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if (!$handle) {
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upnp_warn("Could not open {$file} for writing.");
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return;
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}
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fwrite($handle, $text);
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fclose($handle);
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}
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function upnp_uuid() {
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/* md5 hash of wan mac */
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$uuid = md5(get_interface_mac(get_real_interface("wan")));
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/* put uuid in correct format 8-4-4-4-12 */
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return substr($uuid, 0, 8) . '-' . substr($uuid, 9, 4) . '-' . substr($uuid, 13, 4) . '-' . substr($uuid, 17, 4) . '-' . substr($uuid, 21, 12);
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}
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function upnp_validate_queue($qname) {
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read_altq_config();
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$qlist = get_altq_name_list();
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if (is_array($qlist)) {
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return in_array($qname, $qlist);
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} else {
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return false;
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}
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}
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function upnp_validate_ip($ip, $check_cdir) {
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/* validate cidr */
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$ip_array = array();
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if ($check_cdir) {
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$ip_array = explode('/', $ip);
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if (count($ip_array) == 2) {
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if ($ip_array[1] < 1 || $ip_array[1] > 32) {
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return false;
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}
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} else {
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if (count($ip_array) != 1) {
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return false;
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}
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}
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} else {
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$ip_array[] = $ip;
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}
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/* validate ip */
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if (!is_ipaddr($ip_array[0])) {
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return false;
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}
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return true;
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}
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function upnp_validate_port($port) {
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foreach (explode('-', $port) as $sub) {
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if ($sub < 0 || $sub > 65535) {
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return false;
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}
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}
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return true;
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}
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function before_form_miniupnpd(&$pkg) {
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global $config;
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}
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function validate_form_miniupnpd($post, &$input_errors) {
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if ($post['enable'] && (!$post['enable_upnp'] && !$post['enable_natpmp'])) {
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$input_errors[] = 'At least one of \'UPnP\' or \'NAT-PMP\' must be allowed';
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}
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if ($post['iface_array']) {
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foreach ($post['iface_array'] as $iface) {
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if ($iface == 'wan') {
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$input_errors[] = 'It is a security risk to specify WAN in the \'Interface\' field';
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} elseif ($iface == $post['ext_iface']) {
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$input_errors[] = 'You cannot select the external interface as an internal interface.';
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}
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}
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}
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if ($post['overridewanip'] && !upnp_validate_ip($post['overridewanip'], false)) {
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$input_errors[] = 'You must specify a valid ip address in the \'Override WAN address\' field';
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}
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if (($post['download'] && !$post['upload']) || ($post['upload'] && !$post['download'])) {
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$input_errors[] = 'You must fill in both \'Maximum Download Speed\' and \'Maximum Upload Speed\' fields';
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}
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if ($post['download'] && $post['download'] <= 0) {
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$input_errors[] = 'You must specify a value greater than 0 in the \'Maximum Download Speed\' field';
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}
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if ($post['upload'] && $post['upload'] <= 0) {
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$input_errors[] = 'You must specify a value greater than 0 in the \'Maximum Upload Speed\' field';
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}
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if ($post['upnpqueue'] && !upnp_validate_queue($post['upnpqueue'])) {
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$input_errors[] = 'You must specify a valid traffic shaping queue.';
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}
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/* user permissions validation */
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$j = substr_count(implode(array_keys($post)), "permuser");
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for ($i = 0; $i < $j; $i++) {
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if ($post["permuser{$i}"]) {
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$perm = explode(' ', $post["permuser{$i}"]);
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/* should explode to 4 args */
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if (count($perm) != 4) {
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$input_errors[] = "You must follow the specified format in the 'User specified permissions {$i}' field";
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} else {
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/* must with allow or deny */
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if (!($perm[0] == 'allow' || $perm[0] == 'deny')) {
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$input_errors[] = "You must begin with allow or deny in the 'User specified permissions {$i}' field";
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}
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/* verify port or port range */
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if (!upnp_validate_port($perm[1]) || !upnp_validate_port($perm[3])) {
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$input_errors[] = "You must specify a port or port range between 0 and 65535 in the 'User specified permissions {$i}' field";
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}
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/* verify ip address */
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if (!upnp_validate_ip($perm[2], true)) {
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$input_errors[] = "You must specify a valid ip address in the 'User specified permissions {$i}' field";
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}
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}
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}
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}
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}
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function sync_package_miniupnpd() {
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global $g, $config;
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global $input_errors;
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$upnp_config = $config['installedpackages']['miniupnpd']['config'][0];
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$config_file = '/var/etc/miniupnpd.conf';
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if (!isset($upnp_config['ext_iface']) || empty($upnp_config['ext_iface'])) {
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$ext_ifname = get_real_interface();
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} else {
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$if = convert_friendly_interface_to_real_interface_name($upnp_config['ext_iface']);
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if ($if != $upnp_config['ext_iface']) {
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$ext_ifname = $if;
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} else {
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$ext_ifname = get_real_interface();
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upnp_warn("Could not resolve real interface for {$upnp_config['ext_iface']}, defaulting to WAN");
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}
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}
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$config_text = "ext_ifname={$ext_ifname}\n";
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$config_text .= "port=2189\n";
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$ifaces_active = '';
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/* since config is written before this file is invoked we don't need to read post data */
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if ($upnp_config['enable'] && !empty($upnp_config['iface_array'])) {
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$iface_array = explode(',', $upnp_config['iface_array']);
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foreach ($iface_array as $iface) {
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/* Setting the same internal and external interface is not allowed. */
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if ($iface == $upnp_config['ext_iface']) {
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continue;
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}
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$if = convert_friendly_interface_to_real_interface_name($iface);
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/* above function returns iface if fail */
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if ($if != $iface) {
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$addr = find_interface_ip($if);
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$bits = find_interface_subnet($if);
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/* check that the interface has an ip address before adding parameters */
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if (is_ipaddr($addr)) {
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$config_text .= "listening_ip={$if}\n";
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if (!$ifaces_active) {
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$webgui_ip = $addr;
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$ifaces_active = $iface;
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} else {
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$ifaces_active .= ", {$iface}";
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}
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} else {
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upnp_warn("Interface {$iface} has no ip address, ignoring");
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}
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} else {
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upnp_warn("Could not resolve real interface for {$iface}");
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}
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}
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if (!empty($ifaces_active)) {
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/* override wan ip address, common for carp, etc */
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if ($upnp_config['overridewanip']) {
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$config_text .= "ext_ip={$upnp_config['overridewanip']}\n";
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}
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$download = $upnp_config['download']*1000;
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$upload = $upnp_config['upload']*1000;
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/* set upload and download bitrates */
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if (!empty($download) && !empty($upload)) {
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$config_text .= "bitrate_down={$download}\n";
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$config_text .= "bitrate_up={$upload}\n";
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}
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/* enable logging of packets handled by miniupnpd rules */
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if ($upnp_config['logpackets']) {
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$config_text .= "packet_log=yes\n";
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}
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/* enable system uptime instead of miniupnpd uptime */
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if ($upnp_config['sysuptime']) {
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$config_text .= "system_uptime=yes\n";
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}
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/* set secure_mode */
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$config_text .= "secure_mode=yes\n";
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/* set webgui url */
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if (!empty($upnp_config['presentationurl'])){
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$config_text .= "presentation_url=" . $upnp_config['presentationurl'] . "\n";
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} elseif (!empty($config['system']['webgui']['protocol'])) {
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$config_text .= "presentation_url={$config['system']['webgui']['protocol']}://{$webgui_ip}";
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if (!empty($config['system']['webgui']['port'])) {
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$config_text .= ":{$config['system']['webgui']['port']}";
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}
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$config_text .= "/\n";
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}
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/* set uuid and serial */
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$config_text .= "uuid=".upnp_uuid()."\n";
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$config_text .= "serial=".strtoupper(substr(upnp_uuid(), 0, 8))."\n";
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/* set model number */
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if (!empty($upnp_config['modelnumber'])){
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$config_text .= "model_number=" . $upnp_config['modelnumber'] . "\n";
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} else {
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$config_text .= "model_number=" . $g['product_version'] . "\n";
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}
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/* upnp access restrictions */
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if (is_array($upnp_config['row'])) {
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foreach ($upnp_config['row'] as $row) {
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if ($row['permuser']) {
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$config_text .= "{$row["permuser"]}\n";
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}
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}
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}
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259
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260
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if ($upnp_config['permdefault']) {
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$config_text .= "deny 0-65535 0.0.0.0/0 0-65535\n";
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}
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/* Recheck if queue is valid */
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if (!upnp_validate_queue($upnp_config['upnpqueue'])) {
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unset($upnp_config['upnpqueue']);
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}
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269
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/* Add shaper queue */
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if ($upnp_config['upnpqueue']) {
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$config_text .= "queue={$upnp_config['upnpqueue']}\n";
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}
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273
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/* Allow UPnP or NAT-PMP as requested */
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$config_text .= "enable_upnp=" . ($upnp_config['enable_upnp'] ? "yes\n" : "no\n");
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$config_text .= "enable_natpmp=" . ($upnp_config['enable_natpmp'] ? "yes\n" : "no\n");
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277
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/* write out the configuration */
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279
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upnp_write_config($config_file, $config_text);
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280
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281
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/* if miniupnpd not running start it */
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282
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if (!upnp_running()) {
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283
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upnp_notice("Starting service on interface: {$ifaces_active}");
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284
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upnp_action('start');
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285
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} else {
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286
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/* restart miniupnpd if settings were changed */
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287
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upnp_notice("Restarting service on interface: {$ifaces_active}");
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288
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upnp_action('restart');
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289
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}
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290
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}
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291
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} else {
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292
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/* user does not want miniupnpd running */
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293
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/* lets stop the service and remove the rc file */
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294
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295
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if (file_exists($config_file)) {
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296
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if (!$upnp_config['enable']) {
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upnp_notice('Stopping service: miniupnpd disabled');
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298
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} else {
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299
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upnp_notice('Stopping service: no interfaces selected');
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300
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}
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301
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302
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upnp_action('stop');
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303
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@unlink($config_file);
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304
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}
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305
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}
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306
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}
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307
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?>
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