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<?php
require_once("config.inc");
require_once("functions.inc");
/* MiniUPnPd */
define('UPNP_RCFILE', '/usr/local/etc/rc.d/miniupnpd.sh');
function upnp_notice ($msg) { syslog(LOG_NOTICE, "miniupnpd: {$msg}"); return; }
function upnp_warn ($msg) { syslog(LOG_WARNING, "miniupnpd: {$msg}"); return; }
function upnp_action ($action) {
if (file_exists(UPNP_RCFILE))
mwexec(UPNP_RCFILE.' '.$action);
}
function upnp_config ($name) {
global $config;
if($config['installedpackages']['miniupnpd']['config'][0]["{$name}"])
return $config['installedpackages']['miniupnpd']['config'][0]["{$name}"];
else
return NULL;
}
function upnp_validate_ip($ip) {
if(!eregi("^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$", $ip))
return FALSE;
foreach(explode(".", $ip) as $sub)
if($sub<0 || $sub>256)
return FALSE;
return TRUE;
}
function before_form_miniupnpd($pkg) {
global $config;
config_lock();
/* if shaper connection speed defined hide fields */
if($config['ezshaper']['step2']['download'] && $config['ezshaper']['step2']['upload']) {
$i=0;
foreach ($pkg['fields']['field'] as $field) {
if ($field['fieldname'] == 'download' || $field['fieldname'] == 'upload')
unset($pkg['fields']['field'][$i]);
$i++;
}
}
config_unlock();
}
function validate_form_miniupnpd($post, $input_errors) {
if($post['iface_array'])
foreach($post['iface_array'] as $iface)
if($iface == "wan")
$input_errors[] = 'It is a security risk to specify WAN in the \'Interface\' field';
if($post['overridewanip'] && !upnp_validate_ip($post['overridewanip']))
$input_errors[] = 'You must specify a valid ip address in the \'Override WAN address\' field';
if(($post['download'] && !$post['upload']) || ($post['upload'] && !$post['download']))
$input_errors[] = 'You must fill in both \'Maximum Download Speed\' and \'Maximum Upload Speed\' fields';
if($post['download'] && $post['download']<=0)
$input_errors[] = 'You must specify a value greater than 0 in the \'Maximum Download Speed\' field';
if($post['upload'] && $post['upload']<=0)
$input_errors[] = 'You must specify a value greater than 0 in the \'Maximum Upload Speed\' field';
}
function sync_package_miniupnpd() {
global $config;
global $input_errors;
$ifaces_final = "";
$wanif = get_real_wan_interface();
config_lock();
/* since config is written before this file invoked we don't need to read post data */
if(upnp_config("enable") && upnp_config("iface_array"))
$iface_array = explode(",",upnp_config("iface_array"));
if($iface_array) {
foreach($iface_array as $iface) {
$if = convert_friendly_interface_to_real_interface_name($iface);
/* above function returns iface if fail */
if($if!=$iface) {
$addr = find_interface_ip($if);
/* non enabled interfaces are displayed in list on miniupnpd settings page */
/* check that the interface has an ip address before adding parameters */
if($addr) {
$ifaces_final .= " -a {$addr}";
if(!$ifaces_active)
$ifaces_active = $iface;
else
$ifaces_active .= ", {$iface}";
} else {
upnp_warn("Interface {$iface} has no ip address, ignoring");
}
} else {
upnp_warn("Could not resolve real interface for {$iface}");
}
}
if($ifaces_final) {
$overridewanip = upnp_config("overridewanip");
$logpackets = upnp_config("logpackets");
$sysuptime = upnp_config("sysuptime");
/* if shaper connection speed defined use those values */
if($config['ezshaper']['step2']['download'] && $config['ezshaper']['step2']['upload']) {
$download = $config['ezshaper']['step2']['download']*1000;
$upload = $config['ezshaper']['step2']['upload']*1000;
} else {
$download = upnp_config("download")*1000;
$upload = upnp_config("upload")*1000;
}
/* valid paramters lets create rc file and start miniupnpd */
$stop = <<<EOD
if [ `pgrep miniupnpd | wc -l` != 0 ]; then
/usr/bin/killall miniupnpd
while [ `pgrep miniupnpd | wc -l` != 0 ]; do
sleep 1
done
fi
# Clear existing rules and rdr entries
if [ `pfctl -aminiupnpd -sr | wc -l` != 0 ]; then
/sbin/pfctl -aminiupnpd -Fr 2>&1 >/dev/null
fi
if [ `pfctl -aminiupnpd -sn | wc -l` != 0 ]; then
/sbin/pfctl -aminiupnpd -Fn 2>&1 >/dev/null
fi
EOD;
$start = $stop."\n\t/usr/local/sbin/miniupnpd -p 2869 -i {$wanif}{$ifaces_final}";
/* define maximum downstream and upstream bitrates */
if($download && $upload)
$start .= " -B {$download} {$upload}";
/* override wan ip address, common for carp, etc */
if($overridewanip)
$start .= " -o {$overridewanip}";
/* enable logging of packets handled by miniupnpd rules */
if($logpackets)
$start .= " -L";
/* enable system uptime instead of miniupnpd uptime */
if($sysuptime)
$start .= " -U";
conf_mount_rw();
write_rcfile(array(
"file" => "miniupnpd.sh",
"start" => $start,
"stop" => $stop
)
);
conf_mount_ro();
/* if miniupnpd not running start it */
if((int)exec("pgrep miniupnpd | wc -l") != 1) {
upnp_notice("Starting service on interface: {$ifaces_active}");
upnp_action("start");
}
/* or restart miniupnpd if settings were changed */
elseif($_POST['iface_array']) {
upnp_notice("Restarting service on interface: {$ifaces_active}");
upnp_action("restart");
}
}
}
if(!$iface_array || !$ifaces_final) {
/* no parameters user does not want miniupnpd running */
/* lets stop the service and remove the rc file */
if(file_exists(UPNP_RCFILE)) {
if(!upnp_config("enable"))
upnp_notice("Stopping service, miniupnpd disabled");
else
upnp_notice("Stopping service, no interfaces selected");
upnp_action("stop");
conf_mount_rw();
unlink(UPNP_RCFILE);
conf_mount_ro();
}
}
config_unlock();
}
?>
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