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raspap-webgui-mirror/includes/hostapd.php
root b10ee7a98f sort interface list for hostapd
2021-04-02 00:13:35 +01:00

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PHP
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<?php
require_once 'status_messages.php';
require_once 'app/lib/system.php';
require_once 'includes/wifi_functions.php';
require_once 'includes/config.php';
getWifiInterface();
/**
* Initialize hostapd values, display interface
*
*/
function DisplayHostAPDConfig()
{
$status = new StatusMessages();
$system = new System();
$arrConfig = array();
$arr80211Standard = [
'a' => '802.11a - 5 GHz',
'b' => '802.11b - 2.4 GHz',
'g' => '802.11g - 2.4 GHz',
'n' => '802.11n - 2.4 GHz',
'ac' => '802.11.ac - 5 GHz'
];
$arrSecurity = array(1 => 'WPA', 2 => 'WPA2', 3 => 'WPA+WPA2', 'none' => _("None"));
$arrEncType = array('TKIP' => 'TKIP', 'CCMP' => 'CCMP', 'TKIP CCMP' => 'TKIP+CCMP');
$managedModeEnabled = false;
exec("ip -o link show | awk -F': ' '{print $2}'", $interfaces);
sort($interfaces);
exec("iw reg get | awk '/country / { sub(/:/,\"\",$2); print $2 }'", $country_code);
if (!RASPI_MONITOR_ENABLED) {
if (isset($_POST['SaveHostAPDSettings'])) {
SaveHostAPDConfig($arrSecurity, $arrEncType, $arr80211Standard, $interfaces, $status);
}
}
$arrHostapdConf = parse_ini_file('/etc/raspap/hostapd.ini');
if (!RASPI_MONITOR_ENABLED) {
if (isset($_POST['StartHotspot']) || isset($_POST['RestartHotspot'])) {
$status->addMessage('Attempting to start hotspot', 'info');
if ($arrHostapdConf['BridgedEnable'] == 1) {
exec('sudo /etc/raspap/hostapd/servicestart.sh --interface br0 --seconds 3', $return);
} elseif ($arrHostapdConf['WifiAPEnable'] == 1) {
exec('sudo /etc/raspap/hostapd/servicestart.sh --interface uap0 --seconds 3', $return);
} else {
exec('sudo /etc/raspap/hostapd/servicestart.sh --seconds 3', $return);
}
foreach ($return as $line) {
$status->addMessage($line, 'info');
}
} elseif (isset($_POST['StopHotspot'])) {
$status->addMessage('Attempting to stop hotspot', 'info');
exec('sudo /bin/systemctl stop hostapd.service', $return);
foreach ($return as $line) {
$status->addMessage($line, 'info');
}
}
}
exec('cat '. RASPI_HOSTAPD_CONFIG, $hostapdconfig);
exec('iwgetid '. $_POST['interface']. ' -r', $wifiNetworkID);
if (!empty($wifiNetworkID[0])) {
$managedModeEnabled = true;
}
$hostapdstatus = $system->hostapdStatus();
$serviceStatus = $hostapdstatus[0] == 0 ? "down" : "up";
foreach ($hostapdconfig as $hostapdconfigline) {
if (strlen($hostapdconfigline) === 0) {
continue;
}
if ($hostapdconfigline[0] != "#") {
$arrLine = explode("=", $hostapdconfigline);
$arrConfig[$arrLine[0]]=$arrLine[1];
}
};
// assign beacon_int boolean if value is set
if (isset($arrConfig['beacon_int'])) {
$arrConfig['beacon_interval_bool'] = 1;
}
// assign disassoc_low_ack boolean if value is set
if (isset($arrConfig['disassoc_low_ack'])) {
$arrConfig['disassoc_low_ack_bool'] = 1;
}
// assign country_code from iw reg if not set in config
if (!isset($arrConfig['country_code']) && isset($country_code[0])) {
$arrConfig['country_code'] = $country_code[0];
}
echo renderTemplate(
"hostapd", compact(
"status",
"serviceStatus",
"hostapdstatus",
"managedModeEnabled",
"interfaces",
"arrConfig",
"arr80211Standard",
"selectedHwMode",
"arrSecurity",
"arrEncType",
"arrHostapdConf"
)
);
}
/**
* Validate user input, save configs for hostapd, dnsmasq & dhcp
*
* @param array $wpa_array
* @param array $enc_types
* @param array $modes
* @param string $interface
* @param object $status
* @return boolean
*/
function SaveHostAPDConfig($wpa_array, $enc_types, $modes, $interfaces, $status)
{
// It should not be possible to send bad data for these fields so clearly
// someone is up to something if they fail. Fail silently.
if (!(array_key_exists($_POST['wpa'], $wpa_array)
&& array_key_exists($_POST['wpa_pairwise'], $enc_types)
&& array_key_exists($_POST['hw_mode'], $modes))
) {
error_log("Attempting to set hostapd config with wpa='".$_POST['wpa']."', wpa_pairwise='".$_POST['wpa_pairwise']."' and hw_mode='".$_POST['hw_mode']."'"); // FIXME: log injection
return false;
}
// Validate input
$good_input = true;
if (!filter_var($_POST['channel'], FILTER_VALIDATE_INT)) {
$status->addMessage('Attempting to set channel to invalid number.', 'danger');
$good_input = false;
}
if (intval($_POST['channel']) < 1 || intval($_POST['channel']) > RASPI_5GHZ_MAX_CHANNEL) {
$status->addMessage('Attempting to set channel outside of permitted range', 'danger');
$good_input = false;
}
$arrHostapdConf = parse_ini_file('/etc/raspap/hostapd.ini');
// Check for Bridged AP mode checkbox
$bridgedEnable = 0;
if ($arrHostapdConf['BridgedEnable'] == 0) {
if (isset($_POST['bridgedEnable'])) {
$bridgedEnable = 1;
}
} else {
if (isset($_POST['bridgedEnable'])) {
$bridgedEnable = 1;
}
}
// Check for WiFi client AP mode checkbox
$wifiAPEnable = 0;
if ($bridgedEnable == 0) { // enable client mode actions when not bridged
if ($arrHostapdConf['WifiAPEnable'] == 0) {
if (isset($_POST['wifiAPEnable'])) {
$wifiAPEnable = 1;
}
} else {
if (isset($_POST['wifiAPEnable'])) {
$wifiAPEnable = 1;
}
}
}
// Check for Logfile output checkbox
$logEnable = 0;
if ($arrHostapdConf['LogEnable'] == 0) {
if (isset($_POST['logEnable'])) {
$logEnable = 1;
exec('sudo '.RASPI_CONFIG.'/hostapd/enablelog.sh');
} else {
exec('sudo '.RASPI_CONFIG.'/hostapd/disablelog.sh');
}
} else {
if (isset($_POST['logEnable'])) {
$logEnable = 1;
exec('sudo '.RASPI_CONFIG.'/hostapd/enablelog.sh');
} else {
exec('sudo '.RASPI_CONFIG.'/hostapd/disablelog.sh');
}
}
// set AP interface default, override for ap-sta & bridged options
$ap_iface = $_POST['interface']; // the hostap AP interface
$cli_iface = $_POST['interface']; // the wifi client interface
$session_iface = $_POST['interface']; // the interface that the UI needs to monitor for data usage etc.
if ($wifiAPEnable) { // for AP-STA we monitor the uap0 interface, which is always the ap interface.
$ap_iface = 'uap0';
$session_iface = 'uap0';
}
if ($bridgedEnable) { // for bridged mode we monitor the bridge, but keep the selected interface as AP.
$session_iface = 'br0';
$cli_iface = 'br0';
}
// persist user options to /etc/raspap
$cfg = [];
$cfg['WifiInterface'] = $ap_iface;
$cfg['LogEnable'] = $logEnable;
// Save previous Client mode status when Bridged
$cfg['WifiAPEnable'] = ($bridgedEnable == 1 ? $arrHostapdConf['WifiAPEnable'] : $wifiAPEnable);
$cfg['BridgedEnable'] = $bridgedEnable;
$cfg['WifiManaged'] = $cli_iface;
write_php_ini($cfg, RASPI_CONFIG.'/hostapd.ini');
$_SESSION['ap_interface'] = $session_iface;
// Verify input
if (empty($_POST['ssid']) || strlen($_POST['ssid']) > 32) {
// Not sure of all the restrictions of SSID
$status->addMessage('SSID must be between 1 and 32 characters', 'danger');
$good_input = false;
}
if ($_POST['wpa'] !== 'none'
&& (strlen($_POST['wpa_passphrase']) < 8 || strlen($_POST['wpa_passphrase']) > 63)
) {
$status->addMessage('WPA passphrase must be between 8 and 63 characters', 'danger');
$good_input = false;
}
if (isset($_POST['hiddenSSID'])) {
if (!is_int((int)$_POST['hiddenSSID'])) {
$status->addMessage('Parameter hiddenSSID not a number.', 'danger');
$good_input = false;
} elseif ((int)$_POST['hiddenSSID'] < 0 || (int)$_POST['hiddenSSID'] >= 3) {
$status->addMessage('Parameter hiddenSSID contains invalid configuratie value.', 'danger');
$good_input = false;
} else {
$ignore_broadcast_ssid = $_POST['hiddenSSID'];
}
} else {
$ignore_broadcast_ssid = '0';
}
if (! in_array($_POST['interface'], $interfaces)) {
// The user is probably up to something here but it may also be a
// genuine error.
$status->addMessage('Unknown interface '.htmlspecialchars($_POST['interface'], ENT_QUOTES), 'danger');
$good_input = false;
}
if (strlen($_POST['country_code']) !== 0 && strlen($_POST['country_code']) != 2) {
$status->addMessage('Country code must be blank or two characters', 'danger');
$good_input = false;
}
if (isset($_POST['beaconintervalEnable'])) {
if (!is_numeric($_POST['beacon_interval'])) {
$status->addMessage('Beacon interval must be a numeric value', 'danger');
$good_input = false;
} elseif ($_POST['beacon_interval'] < 15 || $_POST['beacon_interval'] > 65535) {
$status->addMessage('Beacon interval must be between 15 and 65535', 'danger');
$good_input = false;
}
}
$_POST['max_num_sta'] = (int) $_POST['max_num_sta'];
$_POST['max_num_sta'] = $_POST['max_num_sta'] > 2007 ? 2007 : $_POST['max_num_sta'];
$_POST['max_num_sta'] = $_POST['max_num_sta'] < 1 ? null : $_POST['max_num_sta'];
if ($good_input) {
$return = updateHostapdConfig($ignore_broadcast_ssid,$wifiAPEnable,$bridgedEnable);
// Fetch dhcp-range, lease time from system config
$syscfg = parse_ini_file(RASPI_DNSMASQ_PREFIX.$ap_iface.'.conf', false, INI_SCANNER_RAW);
if ($wifiAPEnable == 1) {
// Enable uap0 configuration for ap-sta mode
// Set dhcp-range from system config, fallback to default if undefined
$dhcp_range = ($syscfg['dhcp-range'] == '') ? getDefaultNetValue('dnsmasq','uap0','dhcp-range') : $syscfg['dhcp-range'];
$config = [ '# RaspAP uap0 configuration' ];
$config[] = 'interface=lo,uap0 # Enable uap0 interface for wireless client AP mode';
$config[] = 'bind-dynamic # Hybrid between --bind-interfaces and default';
$config[] = 'server=8.8.8.8 # Forward DNS requests to Google DNS';
$config[] = 'domain-needed # Don\'t forward short names';
$config[] = 'bogus-priv # Never forward addresses in the non-routed address spaces';
$config[] = 'dhcp-range='.$dhcp_range;
if (!empty($syscfg['dhcp-option'])) {
$config[] = 'dhcp-option='.$syscfg['dhcp-option'];
}
$config[] = PHP_EOL;
scanConfigDir('/etc/dnsmasq.d/','uap0',$status);
$config = join(PHP_EOL, $config);
file_put_contents("/tmp/dnsmasqdata", $config);
system('sudo cp /tmp/dnsmasqdata '.RASPI_DNSMASQ_PREFIX.$ap_iface.'.conf', $return);
} elseif ($bridgedEnable !==1) {
$dhcp_range = ($syscfg['dhcp-range'] =='') ? getDefaultNetValue('dnsmasq','wlan0','dhcp-range') : $syscfg['dhcp-range'];
$config = [ '# RaspAP '.$_POST['interface'].' configuration' ];
$config[] = 'interface='.$_POST['interface'];
$config[] = 'domain-needed';
$config[] = 'dhcp-range='.$dhcp_range;
if (!empty($syscfg['dhcp-option'])) {
$config[] = 'dhcp-option='.$syscfg['dhcp-option'];
}
$config[] = PHP_EOL;
$config = join(PHP_EOL, $config);
file_put_contents("/tmp/dnsmasqdata", $config);
system('sudo cp /tmp/dnsmasqdata '.RASPI_DNSMASQ_PREFIX.$ap_iface.'.conf', $return);
}
// Set dhcp values from system config, fallback to default if undefined
$jsonData = json_decode(getNetConfig($ap_iface), true);
$ip_address = ($jsonData['StaticIP'] == '') ? getDefaultNetValue('dhcp',$ap_iface,'static ip_address') : $jsonData['StaticIP'];
$domain_name_server = ($jsonData['StaticDNS'] =='') ? getDefaultNetValue('dhcp',$ap_iface,'static domain_name_server') : $jsonData['StaticDNS'];
$routers = ($jsonData['StaticRouters'] == '') ? getDefaultNetValue('dhcp',$ap_iface,'static routers') : $jsonData['StaticRouters'];
$netmask = ($jsonData['SubnetMask'] == '' || $jsonData['SubnetMask'] == '0.0.0.0') ? getDefaultNetValue('dhcp',$ap_iface,'subnetmask') : $jsonData['SubnetMask'];
$ip_address.= (!preg_match('/.*\/\d+/', $ip_address)) ? '/'.mask2cidr($netmask) : null;
if ($bridgedEnable == 1) {
$config = array_keys(getDefaultNetOpts('dhcp'));
$config[] = PHP_EOL.'# RaspAP br0 configuration';
$config[] = 'denyinterfaces eth0 wlan0';
$config[] = 'interface br0';
$config[] = PHP_EOL;
} elseif ($wifiAPEnable == 1) {
$config = array_keys(getDefaultNetOpts('dhcp'));
$config[] = PHP_EOL.'# RaspAP uap0 configuration';
$config[] = 'interface uap0';
$config[] = 'static ip_address='.$ip_address;
$config[] = 'nohook wpa_supplicant';
$config[] = PHP_EOL;
} else {
// Default wlan0 config
$def_ip = array();
$config = [ '# RaspAP wlan0 configuration' ];
$config[] = 'interface wlan0';
$config[] = 'static ip_address='.$ip_address;
$config[] = 'static routers='.$routers;
$config[] = 'static domain_name_server='.$domain_name_server;
if (! is_null($jsonData['Metric'])) { $config[] = 'metric '.$jsonData['Metric']; }
}
$dhcp_cfg = file_get_contents(RASPI_DHCPCD_CONFIG);
if ($bridgedEnable == 1 || $wifiAPEnable == 1) {
$dhcp_cfg = join(PHP_EOL, $config);
$status->addMessage('DHCP configuration for '.$ap_iface.' enabled.', 'success');
} elseif (!preg_match('/^interface\s'.$ap_iface.'$/m', $dhcp_cfg)) {
$config[] = PHP_EOL;
$config= join(PHP_EOL, $config);
$dhcp_cfg = removeDHCPIface($dhcp_cfg,'br0');
$dhcp_cfg = removeDHCPIface($dhcp_cfg,'uap0');
$dhcp_cfg .= $config;
$status->addMessage('DHCP configuration for '.$ap_iface.' added.', 'success');
} else {
$config = join(PHP_EOL, $config);
$dhcp_cfg = removeDHCPIface($dhcp_cfg,'br0');
$dhcp_cfg = removeDHCPIface($dhcp_cfg,'uap0');
$dhcp_cfg = preg_replace('/^#\sRaspAP\s'.$ap_iface.'\s.*?(?=\s*^\s*$)/ms', $config, $dhcp_cfg, 1);
$status->addMessage('DHCP configuration for '.$ap_iface.' updated.', 'success');
}
file_put_contents("/tmp/dhcpddata", $dhcp_cfg);
system('sudo cp /tmp/dhcpddata '.RASPI_DHCPCD_CONFIG, $return);
if ($return == 0) {
$status->addMessage('Wifi Hotspot settings saved', 'success');
} else {
$status->addMessage('Unable to save wifi hotspot settings', 'danger');
}
} else {
$status->addMessage('Unable to save wifi hotspot settings', 'danger');
return false;
}
return true;
}
/**
* Updates a hostapd configuration
*
* @return boolean $result
*/
function updateHostapdConfig($ignore_broadcast_ssid,$wifiAPEnable,$bridgedEnable)
{
// Fixed values
$country_code = $_POST['country_code'];
$config = 'driver=nl80211'.PHP_EOL;
$config.= 'ctrl_interface='.RASPI_HOSTAPD_CTRL_INTERFACE.PHP_EOL;
$config.= 'ctrl_interface_group=0'.PHP_EOL;
$config.= 'auth_algs=1'.PHP_EOL;
$config.= 'wpa_key_mgmt=WPA-PSK'.PHP_EOL;
if (isset($_POST['beaconintervalEnable'])) {
$config.= 'beacon_int='.$_POST['beacon_interval'].PHP_EOL;
}
if (isset($_POST['disassoc_low_ackEnable'])) {
$config.= 'disassoc_low_ack=0'.PHP_EOL;
}
$config.= 'ssid='.$_POST['ssid'].PHP_EOL;
$config.= 'channel='.$_POST['channel'].PHP_EOL;
if ($_POST['hw_mode'] === 'n') {
$config.= 'hw_mode=g'.PHP_EOL;
$config.= 'ieee80211n=1'.PHP_EOL;
// Enable basic Quality of service
$config.= 'wmm_enabled=1'.PHP_EOL;
} elseif ($_POST['hw_mode'] === 'ac') {
$config.= 'hw_mode=a'.PHP_EOL.PHP_EOL;
$config.= '# N'.PHP_EOL;
$config.= 'ieee80211n=1'.PHP_EOL;
$config.= 'require_ht=1'.PHP_EOL;
$config.= 'ht_capab=[MAX-AMSDU-3839][HT40+][SHORT-GI-20][SHORT-GI-40][DSSS_CCK-40]'.PHP_EOL.PHP_EOL;
$config.= '# AC'.PHP_EOL;
$config.= 'ieee80211ac=1'.PHP_EOL;
$config.= 'require_vht=1'.PHP_EOL;
$config.= 'ieee80211d=0'.PHP_EOL;
$config.= 'ieee80211h=0'.PHP_EOL;
$config.= 'vht_capab=[MAX-AMSDU-3839][SHORT-GI-80]'.PHP_EOL;
$config.= 'vht_oper_chwidth=1'.PHP_EOL;
$config.= 'vht_oper_centr_freq_seg0_idx=42'.PHP_EOL.PHP_EOL;
} elseif ($_POST['hw_mode'] === 'w') {
$config.= 'ieee80211w=2'.PHP_EOL;
$config.= 'wpa_key_mgmt=WPA-EAP-SHA256'.PHP_EOL;
} else {
$config.= 'hw_mode='.$_POST['hw_mode'].PHP_EOL;
$config.= 'ieee80211n=0'.PHP_EOL;
}
if ($_POST['wpa'] !== 'none') {
$config.= 'wpa_passphrase='.$_POST['wpa_passphrase'].PHP_EOL;
}
if ($wifiAPEnable == 1) {
$config.= 'interface=uap0'.PHP_EOL;
} elseif ($bridgedEnable == 1) {
$config.='interface='.$_POST['interface'].PHP_EOL;
$config.= 'bridge=br0'.PHP_EOL;
} else {
$config.= 'interface='.$_SESSION['ap_interface'].PHP_EOL;
}
$config.= 'wpa='.$_POST['wpa'].PHP_EOL;
$config.= 'wpa_pairwise='.$_POST['wpa_pairwise'].PHP_EOL;
$config.= 'country_code='.$_POST['country_code'].PHP_EOL;
$config.= 'ignore_broadcast_ssid='.$ignore_broadcast_ssid.PHP_EOL;
if (isset($_POST['max_num_sta'])) {
$config.= 'max_num_sta='.$_POST['max_num_sta'].PHP_EOL;
}
file_put_contents("/tmp/hostapddata", $config);
system("sudo cp /tmp/hostapddata " . RASPI_HOSTAPD_CONFIG, $result);
return $result;
}
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