Merge pull request #133 from billz/hostapd-logging

Hostapd logging

dist/css/custom.css

@@ -48,3 +48,8 @@
 	height:100%;
         min-height:500px;
 }
+
+.logoutput {
+    width:100%;
+    height:300px;
+}

dist/css/hackernews.css

@@ -76,3 +76,8 @@ h4 {
     width: 140px;
     float: left;
 }
+
+.logoutput {
+    width: 100%;
+    height: 300px;
+}

dist/css/terminal.css

@@ -196,4 +196,9 @@ a:focus, a:hover {
     float: left;
 }
 
-
+.logoutput {
+    width: 100%;
+    height: 300px;
+    background-color: #000;
+    border-color: #33ff00;
+}

includes/functions.php

@@ -1,4 +1,52 @@
 <?php
+/* Functions for Networking */
+
+function mask2cidr($mask){
+  $long = ip2long($mask);
+  $base = ip2long('255.255.255.255');
+  return 32-log(($long ^ $base)+1,2);
+}
+
+/* Functions to write ini files */
+
+function write_php_ini($array, $file) {
+    $res = array();
+    foreach($array as $key => $val) {
+        if(is_array($val)) {
+            $res[] = "[$key]";
+            foreach($val as $skey => $sval) $res[] = "$skey = ".(is_numeric($sval) ? $sval : '"'.$sval.'"');
+        }
+        else $res[] = "$key = ".(is_numeric($val) ? $val : '"'.$val.'"');
+    }
+    if(safefilerewrite($file, implode("\r\n", $res))) {
+        return true;
+    } else {
+        return false;
+    }
+}
+
+function safefilerewrite($fileName, $dataToSave) {
+    if ($fp = fopen($fileName, 'w')) {
+        $startTime = microtime(TRUE);
+        do {
+            $canWrite = flock($fp, LOCK_EX);
+            // If lock not obtained sleep for 0 - 100 milliseconds, to avoid collision and CPU load
+            if(!$canWrite) usleep(round(rand(0, 100)*1000));
+        } while ((!$canWrite)and((microtime(TRUE)-$startTime) < 5));
+
+        //file was locked so now we can store information
+        if ($canWrite) {
+            fwrite($fp, $dataToSave);
+            flock($fp, LOCK_UN);
+        }
+        fclose($fp);
+        return true;
+    } else {
+        return false;
+    }
+}
+
+
 
 /**
 *

includes/hostapd.php

@@ -10,6 +10,8 @@ function DisplayHostAPDConfig(){
 
   $status = new StatusMessages();
 
+  $arrHostapdConf = parse_ini_file('/etc/raspap/hostapd.ini');
+
   $arrConfig = array();
   $arrChannel = array('a','b','g');
   $arrSecurity = array( 1 => 'WPA', 2 => 'WPA2',3=> 'WPA+WPA2');
@@ -74,6 +76,7 @@ function DisplayHostAPDConfig(){
               <li class="active"><a href="#basic" data-toggle="tab">Basic</a></li>
               <li><a href="#security" data-toggle="tab">Security</a></li>
               <li><a href="#advanced" data-toggle="tab">Advanced</a></li>
+              <li><a href="#logoutput" data-toggle="tab">Logfile Output</a></li>
             </ul>
 
             <!-- Tab panes -->
@@ -130,8 +133,33 @@ function DisplayHostAPDConfig(){
                   </div>
                 </div>
               </div>
+              <div class="tab-pane fade" id="logoutput">
+                <h4>Logfile output</h4>
+                  <div class="row">
+                    <div class="form-group col-md-8">
+                      <?php
+                          if($arrHostapdConf['LogEnable'] == 1) {
+                              $log = file_get_contents('/tmp/hostapd.log');
+                              echo '<br /><textarea class="logoutput">'.$log.'</textarea>';
+                          } else {
+                              echo "<br />Logfile output not enabled";
+                          }
+                      ?>
+                   </div>
+                </div>
+              </div>
               <div class="tab-pane fade" id="advanced">
                 <h4>Advanced settings</h4>
+                <div class="row">
+                  <div class="col-md-4">
+                  <div class="form-check">
+                    <label class="form-check-label">
+                        Enable Logging <?php $checked = ''; if($arrHostapdConf['LogEnable'] == 1) { $checked = 'checked'; } ?>
+                        <input id="logEnable" name ="logEnable" type="checkbox" class="form-check-input" value="1" <?php echo $checked; ?> />
+                    </label>
+                  </div>
+                  </div>
+                </div>
                 <div class="row">
                   <div class="form-group col-md-4">
                   <label for="code">Country Code</label>
@@ -431,6 +459,26 @@ function SaveHostAPDConfig($wpa_array, $enc_types, $modes, $interfaces, $status)
 
   $good_input = true;
 
+  // Check for Logging Checkbox
+    $logEnable = 0;
+    if($arrHostapdConf['LogEnable'] == 0) {
+        if(isset($_POST['logEnable'])) {
+            // Need code to enable logfile logging here
+            $logEnable = 1;
+            exec('sudo /etc/raspap/hostapd/enablelog.sh');
+        } else {
+            exec('sudo /etc/raspap/hostapd/disablelog.sh');
+        }
+    } else {
+        if(isset($_POST['logEnable'])) {
+            $logEnable = 1;
+            exec('sudo /etc/raspap/hostapd/enablelog.sh');
+        } else {
+            exec('sudo /etc/raspap/hostapd/disablelog.sh');
+        }
+    }
+    write_php_ini(["LogEnable" => $logEnable],'/etc/raspap/hostapd.ini');
+
   // Verify input
   if (strlen($_POST['ssid']) == 0 || strlen($_POST['ssid']) > 32) {
     // Not sure of all the restrictions of SSID

installers/common.sh

@@ -97,6 +97,12 @@ function create_raspap_directories() {
     sudo chown -R $raspap_user:$raspap_user "$raspap_dir" || install_error "Unable to change file ownership for '$raspap_dir'"
 }
 
+# Generate logging enable/disable files for hostapd
+function create_logging_scripts() {
+    sudo mkdir /etc/raspap/hostapd
+    sudo mv /var/www/html/installers/*log.sh /etc/rasp/hostapd
+}
+
 # Fetches latest files from github to webroot
 function download_latest_files() {
     if [ -d "$webroot_dir" ]; then
@@ -214,6 +220,8 @@ function patch_system_files() {
       '/sbin/ip link set wlan0 down'
       '/sbin/ip link set wlan0 up'
       '/sbin/ip -s a f label wlan0'
+      '/etc/raspap/hostapd/enablelog.sh'
+      '/etc/raspap/hostapd/disablelog.sh'
     )
 
     # Check if sudoers needs patchin
@@ -250,6 +258,7 @@ function install_raspap() {
     install_dependencies
     enable_php_lighttpd
     create_raspap_directories
+    create_logging_scripts
     check_for_old_configs
     download_latest_files
     change_file_ownership

installers/disablelog.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+/bin/sed -i 's|DAEMON_OPTS=" -f /tmp/hostapd.log"|#DAEMON_OPTS=""|' /etc/default/hostapd
+

installers/enablelog.sh

@@ -0,0 +1,2 @@
+#!/bin/bash
+/bin/sed -i 's|#DAEMON_OPTS=""|DAEMON_OPTS=" -f /tmp/hostapd.log"|' /etc/default/hostapd