mirror of
https://github.com/RaspAP/raspap-webgui.git
synced 2024-11-21 23:20:22 +00:00
Some validation on POST data
This commit is contained in:
Joe Haig
parent
671016e685
commit
bff9dfbbbc
4 changed files with 111 additions and 83 deletions
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@ -14,7 +14,7 @@ function DisplayAuthConfig($username, $password){
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$status->addMessage('Username must not be empty', 'danger');
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} else {
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if ($auth_file = fopen(RASPI_ADMIN_DETAILS, 'w')) {
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fwrite($auth_file, $new_username.PHP_EOL);
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fwrite($auth_file, $new_username.PHP_EOL);
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fwrite($auth_file, password_hash($_POST['newpass'], PASSWORD_BCRYPT).PHP_EOL);
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fclose($auth_file);
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$username = $new_username;
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@ -770,4 +770,39 @@ function DisplaySystem(){
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<?php
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}
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/**
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*
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*
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*/
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function SaveTORAndVPNConfig(){
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if( isset($_POST['SaveOpenVPNSettings']) ) {
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// TODO
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} elseif( isset($_POST['SaveTORProxySettings']) ) {
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// TODO
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} elseif( isset($_POST['StartOpenVPN']) ) {
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echo "Attempting to start openvpn";
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exec( 'sudo /etc/init.d/openvpn start', $return );
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foreach( $return as $line ) {
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echo $line."<br />";
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}
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} elseif( isset($_POST['StopOpenVPN']) ) {
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echo "Attempting to stop openvpn";
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exec( 'sudo /etc/init.d/openvpn stop', $return );
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foreach( $return as $line ) {
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echo $line."<br />";
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}
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} elseif( isset($_POST['StartTOR']) ) {
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echo "Attempting to start TOR";
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exec( 'sudo /etc/init.d/tor start', $return );
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foreach( $return as $line ) {
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echo $line."<br />";
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}
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} elseif( isset($_POST['StopTOR']) ) {
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echo "Attempting to stop TOR";
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exec( 'sudo /etc/init.d/tor stop', $return );
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foreach( $return as $line ) {
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echo $line."<br />";
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}
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}
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}
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?>
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@ -10,32 +10,16 @@ function DisplayHostAPDConfig(){
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$status = new StatusMessages();
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$arrConfig = array();
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$arrChannel = array('a','b','g');
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$arrSecurity = array( 1 => 'WPA', 2 => 'WPA2',3=> 'WPA+WPA2');
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$arrEncType = array('TKIP' => 'TKIP', 'CCMP' => 'CCMP', 'TKIP CCMP' => 'TKIP+CCMP');
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exec("ip -o link show | awk -F': ' '{print $2}'", $interfaces);
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if( isset($_POST['SaveHostAPDSettings']) ) {
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if (CSRFValidate()) {
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$config = 'driver=nl80211'.PHP_EOL
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.'ctrl_interface='.RASPI_HOSTAPD_CTRL_INTERFACE.PHP_EOL
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.'ctrl_interface_group=0'.PHP_EOL
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.'beacon_int=100'.PHP_EOL
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.'auth_algs=1'.PHP_EOL
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.'wpa_key_mgmt=WPA-PSK'.PHP_EOL;
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$config .= "interface=".$_POST['interface'].PHP_EOL;
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$config .= "ssid=".$_POST['ssid'].PHP_EOL;
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$config .= "hw_mode=".$_POST['hw_mode'].PHP_EOL;
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$config .= "channel=".$_POST['channel'].PHP_EOL;
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$config .= "wpa=".$_POST['wpa'].PHP_EOL;
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$config .='wpa_passphrase='.$_POST['wpa_passphrase'].PHP_EOL;
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$config .="wpa_pairwise=".$_POST['wpa_pairwise'].PHP_EOL;
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$config .="country_code=".$_POST['country_code'];
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exec( "echo '$config' > /tmp/hostapddata", $return );
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system( "sudo cp /tmp/hostapddata " . RASPI_HOSTAPD_CONFIG, $return );
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if( $return == 0 ) {
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$status->addMessage('Wifi Hotspot settings saved', 'success');
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} else {
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$status->addMessage('Wifi Hotspot settings failed to be saved', 'danger');
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}
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SaveHostAPDConfig($arrSecurity, $arrEncType, $arrChannel, $interfaces, $status);
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} else {
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error_log('CSRF violation');
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}
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@ -70,11 +54,6 @@ function DisplayHostAPDConfig(){
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$status->addMessage('HostAPD is running', 'success');
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}
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$arrConfig = array();
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$arrChannel = array('a','b','g');
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$arrSecurity = array( 1 => 'WPA', 2 => 'WPA2',3=> 'WPA+WPA2');
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$arrEncType = array('TKIP' => 'TKIP', 'CCMP' => 'CCMP', 'TKIP CCMP' => 'TKIP+CCMP');
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foreach( $return as $a ) {
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if( $a[0] != "#" ) {
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$arrLine = explode( "=",$a) ;
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@ -84,7 +63,7 @@ function DisplayHostAPDConfig(){
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?>
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<div class="row">
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<div class="col-lg-12">
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<div class="panel panel-primary">
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<div class="panel panel-primary">
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<div class="panel-heading"><i class="fa fa-dot-circle-o fa-fw"></i> Configure hotspot</div>
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<!-- /.panel-heading -->
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<div class="panel-body">
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@ -107,7 +86,6 @@ function DisplayHostAPDConfig(){
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<div class="form-group col-md-4">
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<label for="code">Interface</label>
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<?php
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exec("ip -o link show | awk -F': ' '{print $2}'", $interfaces);
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SelectorOptions('interface', $interfaces, $arrConfig['interface']);
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?>
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</div>
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@ -142,20 +120,6 @@ function DisplayHostAPDConfig(){
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<div class="row">
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<div class="form-group col-md-4">
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<label for="code">Encryption Type</label>
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<?php
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/*
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* NB, the original tests $arrConfig['wpa_pairwise'] against
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* the value in the $arrEncType array rather than the key. I
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* think there must be something wrong in the case of
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* 'TKIP CCMP' => 'TKIP+CCMP' but I am not yet sure what
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* exactly is correct.
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* At I read it, 'TKIP CCMP' would get written to the
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* hostapd.conf file when it is saved but the correct option
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* would only be selected if it reads 'TKIP+CCMP'. This is
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* clearly broken.
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* Now it is consistent, albeit possibly still broken.
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*/
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?>
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<?php SelectorOptions('wpa_pairwise', $arrEncType, $arrConfig['wpa_pairwise']); ?>
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</div>
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</div>
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@ -191,44 +155,73 @@ function DisplayHostAPDConfig(){
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</div><!-- /.row -->
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<?php
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}
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?>
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<?php
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/**
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*
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* NB This function is also used for TOR and VPN so don't completely delete
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*
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*/
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function SaveHostAPDConfig(){
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if( isset($_POST['SaveOpenVPNSettings']) ) {
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// TODO
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} elseif( isset($_POST['SaveTORProxySettings']) ) {
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// TODO
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} elseif( isset($_POST['StartOpenVPN']) ) {
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echo "Attempting to start openvpn";
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exec( 'sudo /etc/init.d/openvpn start', $return );
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foreach( $return as $line ) {
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echo $line."<br />";
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}
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} elseif( isset($_POST['StopOpenVPN']) ) {
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echo "Attempting to stop openvpn";
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exec( 'sudo /etc/init.d/openvpn stop', $return );
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foreach( $return as $line ) {
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echo $line."<br />";
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}
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} elseif( isset($_POST['StartTOR']) ) {
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echo "Attempting to start TOR";
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exec( 'sudo /etc/init.d/tor start', $return );
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foreach( $return as $line ) {
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echo $line."<br />";
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}
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} elseif( isset($_POST['StopTOR']) ) {
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echo "Attempting to stop TOR";
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exec( 'sudo /etc/init.d/tor stop', $return );
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foreach( $return as $line ) {
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echo $line."<br />";
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function SaveHostAPDConfig($wpa_array, $enc_types, $modes, $interfaces, $status) {
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// It should not be possible to send bad data for these fields so clearly
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// someone is up to something if they fail. Fail silently.
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if (!(array_key_exists($_POST['wpa'], $wpa_array) && array_key_exists($_POST['wpa_pairwise'], $enc_types) && in_array($_POST['hw_mode'], $modes))) {
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error_log("Attempting to set hostapd config with wpa='".$_POST['wpa']."', wpa_pairwise='".$_POST['wpa_pairwise']."' and hw_mode='".$_POST['hw_mode']."'");
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return false;
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}
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if ((!filter_var($_POST['channel'], FILTER_VALIDATE_INT)) || intval($_POST['channel']) < 1 || intval($_POST['channel']) > 14) {
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error_log("Attempting to set channel to '".$_POST['channel']."'");
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return false;
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}
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$good_input = true;
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// Verify input
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if (strlen($_POST['ssid']) == 0 || strlen($_POST['ssid']) > 32) {
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// Not sure of all the restrictions of SSID
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$status->addMessage('SSID must be between 1 and 32 characters', 'danger');
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$good_input = false;
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}
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if (strlen($_POST['wpa_passphrase']) < 8 || strlen($_POST['wpa_passphrase']) > 63) {
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$status->addMessage('WPA passphrase must be between 8 and 63 characters', 'danger');
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$good_input = false;
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}
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if (! in_array($_POST['interface'], $interfaces)) {
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// The user is probably up to something here but it may also be a
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// genuine error.
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$status->addMessage('Unknown interface '.$_POST['interface'], 'danger');
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$good_input = false;
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}
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if (strlen($_POST['country_code']) != 0 && strlen($_POST['country_code']) != 2) {
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$status->addMessage('Country code must be blank or two characters', 'danger');
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$good_input = false;
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}
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if ($good_input) {
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if ($tmp_file = fopen('/tmp/hostapddata', 'w')) {
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// Fixed values
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fwrite($tmp_file, 'driver=nl80211'.PHP_EOL);
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fwrite($tmp_file, 'ctrl_interface='.RASPI_HOSTAPD_CTRL_INTERFACE.PHP_EOL);
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fwrite($tmp_file, 'ctrl_interface_group=0'.PHP_EOL);
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fwrite($tmp_file, 'beacon_int=100'.PHP_EOL);
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fwrite($tmp_file, 'auth_algs=1'.PHP_EOL);
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fwrite($tmp_file, 'wpa_key_mgmt=WPA-PSK'.PHP_EOL);
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fwrite($tmp_file, 'ssid='.$_POST['ssid'].PHP_EOL);
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fwrite($tmp_file, 'channel='.$_POST['channel'].PHP_EOL);
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fwrite($tmp_file, 'hw_mode='.$_POST['hw_mode'].PHP_EOL);
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fwrite($tmp_file, 'wpa_passphrase='.$_POST['wpa_passphrase'].PHP_EOL);
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fwrite($tmp_file, 'interface='.$_POST['interface'].PHP_EOL);
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fwrite($tmp_file, 'wpa='.$_POST['wpa'].PHP_EOL);
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fwrite($tmp_file, 'wpa_pairwise='.$_POST['wpa_pairwise'].PHP_EOL);
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fwrite($tmp_file, 'country_code='.$_POST['country_code'].PHP_EOL);
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fclose($tmp_file);
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system( "sudo cp /tmp/hostapddata " . RASPI_HOSTAPD_CONFIG, $return );
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if( $return == 0 ) {
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$status->addMessage('Wifi Hotspot settings saved', 'success');
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} else {
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$status->addMessage('Unable to save wifi hotspot settings', 'danger');
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}
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} else {
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$status->addMessage('Unable to save wifi hotspot settings', 'danger');
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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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?>
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@ -187,7 +187,7 @@ $csrf_token = $_SESSION['csrf_token'];
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DisplayAuthConfig($config['admin_user'], $config['admin_pass']);
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break;
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case "save_hostapd_conf":
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SaveHostAPDConfig();
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SaveTORAndVPNConfig();
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break;
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case "system_info":
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DisplaySystem();
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