0) return true; return false; } function upnp_write_config($file, $text) { $handle = fopen($file, 'w'); if(!$handle) { upnp_warn("Could not open {$file} for writing."); exit; } fwrite($handle, $text); fclose($handle); } function upnp_uuid() { /* md5 hash of wan mac */ $uuid = md5(exec('arp -an -i '.get_real_wan_interface().' | /usr/bin/cut -d " " -f4')); /* put uuid in correct format 8-4-4-4-12 */ return substr($uuid,0,8).'-'.substr($uuid,9,4).'-'.substr($uuid,13,4).'-'.substr($uuid,17,4).'-'.substr($uuid,21,12); } function upnp_validate_ip($ip, $check_cdir) { /* validate cdir */ if($check_cdir) { $ip_array = explode('/', $ip); if(count($ip_array) == 2) { if($ip_array[1] < 1 || $ip_array[1] > 32) return false; } else if(count($ip_array) != 1) return false; } else $ip_array[] = $ip; /* validate ip */ if(!eregi('^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$', $ip_array[0])) return false; foreach(explode('.', $ip_array[0]) as $sub) if($sub < 0 || $sub > 256) return false; return true; } function upnp_validate_port($port) { foreach(explode('-', $port) as $sub) if($sub < 0 || $sub > 65535) return false; return true; } function before_form_miniupnpd($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'],false)) $input_errors[] = 'You must specify a valid ip address in the \'Override WAN address\' field'; if(($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) $input_errors[] = 'You must specify a value greater than 0 in the \'Maximum Upload Speed\' field'; /* user permissions validation */ for($i=1; $i<=4; $i++) { if($post["permuser{$i}"]) { $perm = explode(' ',$post["permuser{$i}"]); /* should explode to 4 args */ if(count($perm) != 4) { $input_errors[] = "You must follow the specified format in the 'User specified permissions {$i}' field"; } else { /* must with allow or deny */ if(!($perm[0] == 'allow' || $perm[0] == 'deny')) $input_errors[] = "You must begin with allow or deny in the 'User specified permissions {$i}' field"; /* verify port or port range */ if(!upnp_validate_port($perm[1]) || !upnp_validate_port($perm[3])) $input_errors[] = "You must specify a port or port range between 0 and 65535 in the 'User specified permissions {$i}' field"; /* verify ip address */ if(!upnp_validate_ip($perm[2],true)) $input_errors[] = "You must specify a valid ip address in the 'User specified permissions {$i}' field"; } } } } function sync_package_miniupnpd() { global $config; global $input_errors; config_lock(); $upnp_config = $config['installedpackages']['miniupnpd']['config'][0]; $config_file = '/var/etc/miniupnpd.conf'; $config_text = "ext_ifname=".get_real_wan_interface()."\n"; $config_text .= "port=2189\n"; $ifaces_active = ''; /* since config is written before this file invoked we don't need to read post data */ if($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) { $config_text .= "listening_ip={$addr}\n"; if(!$ifaces_active) { $webgui_ip = $addr; $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($ifaces_active) { /* override wan ip address, common for carp, etc */ if($upnp_config['overridewanip']) $config_text .= "ext_ip={$upnp_config['overridewanip']}\n"; /* 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 = $upnp_config['upload']*1000; } /* set upload and download bitrates */ if($download && $upload) { $config_text .= "bitrate_down={$download}\n"; $config_text .= "bitrate_up={$upload}\n"; } /* enable logging of packets handled by miniupnpd rules */ if($upnp_config['logpackets']) $config_text .= "packet_log=yes\n"; /* enable system uptime instead of miniupnpd uptime */ if($upnp_config['sysuptime']) $config_text .= "system_uptime=yes\n"; /* set webgui url */ if($config['system']['webgui']['protocol']) { $config_text .= "presentation_url={$config['system']['webgui']['protocol']}://{$webgui_ip}"; if($config['system']['webgui']['port']) $config_text .= ":{$config['system']['webgui']['port']}"; $config_text .= "/\n"; } /* set uuid and serial */ $config_text .= "uuid=".upnp_uuid()."\n"; $config_text .= "serial=".strtoupper(substr(upnp_uuid(),0,8))."\n"; /* set model number */ $config_text .= "model_number=".exec("/bin/cat /etc/version")."\n"; /* upnp access restrictions */ for($i=1; $i<=4; $i++) { if($upnp_config["permuser{$i}"]) $config_text .= "{$upnp_config["permuser{$i}"]}\n"; } if($upnp_config['permdefault']) $config_text .= "deny 0-65535 0.0.0.0/0 0-65535\n"; /* write out the configuration */ upnp_write_config($config_file, $config_text); /* if miniupnpd not running start it */ if(!upnp_running()) { upnp_notice("Starting service on interface: {$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_active) { /* no parameters user does not want miniupnpd running */ /* lets stop the service and remove the rc file */ if(file_exists($config_file)) { if(!$upnp_config['enable']) upnp_notice('Stopping service: miniupnpd disabled'); else upnp_notice('Stopping service: no interfaces selected'); upnp_action('stop'); unlink($config_file); } } config_unlock(); } ?>