Merge pull request #1469 from RaspAP/fix/predictable-names

Fix: Support predictable interface names

app/css/all.css

@@ -110,10 +110,31 @@ License: GNU General Public License v3.0
   margin-bottom: 0.5em;
 }
 
-.loading-spinner {
+#wifiClientContent #wpaConf {
-  background: url("../../app/img/loading-spinner.gif") no-repeat scroll center center transparent;
+  min-height: calc(100vh / 3);
-  min-height: 450px;
+}
+
+.loading-spinner::before {
+  position: absolute;
+  top: 0;
+  left: 0;
   width: 100%;
+  height: calc(100vh / 4);
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  color: #858796;
+  content: "\f1ce"; /* Unicode for the circle-notch icon */
+  font-family: "Font Awesome 5 Free";
+  font-weight: 900; /* Adjust as needed */
+  font-size: 54px; /* Adjust icon size as needed */
+  animation: spin 1.2s linear infinite;
+  width: 100%;
+}
+
+@keyframes spin {
+    0% { transform: rotate(0deg); }
+    100% { transform: rotate(360deg); }
 }
 
 @media (min-width: 576px) {

includes/configure_client.php

@@ -13,18 +13,24 @@ function DisplayWPAConfig()
 
     getWifiInterface();
     knownWifiStations($networks);
+    setKnownStationsWPA($networks);
+
+    $iface = escapeshellarg($_SESSION['wifi_client_interface']);
 
     if (isset($_POST['connect'])) {
-        $result = 0;
-        $iface = escapeshellarg($_SESSION['wifi_client_interface']);
         $netid = intval($_POST['connect']);
-        exec('sudo wpa_cli -i ' . $iface . ' select_network ' . $netid);
+        $cmd = "sudo wpa_cli -i $iface select_network $netid";
-        $status->addMessage('New network selected', 'success');
+        $return = shell_exec($cmd);
+        sleep(2);
+        if (trim($return) == "FAIL") {
+            $status->addMessage('WPA command line client returned failure. Check your adapter.', 'danger');
+        } else {
+            $status->addMessage('New network selected', 'success');
+        }
     } elseif (isset($_POST['wpa_reinit'])) {
-        $status->addMessage('Reinitializing wpa_supplicant', 'info', false);
+        $status->addMessage('Attempting to reinitialize wpa_supplicant', 'warning');
         $force_remove = true;
         $result = reinitializeWPA($force_remove);
-        $status->addMessage($result, 'info');
     } elseif (isset($_POST['client_settings'])) {
         $tmp_networks = $networks;
         if ($wpa_file = fopen('/tmp/wifidata', 'w')) {
@@ -32,8 +38,14 @@ function DisplayWPAConfig()
             fwrite($wpa_file, 'update_config=1' . PHP_EOL);
 
             foreach (array_keys($_POST) as $post) {
+
                 if (preg_match('/delete(\d+)/', $post, $post_match)) {
+                    $network = $tmp_networks[$_POST['ssid' . $post_match[1]]];
+                    $netid = $network['index'];
+                    exec('sudo wpa_cli -i ' . $iface . ' disconnect ' . $netid);
+                    exec('sudo wpa_cli -i ' . $iface . ' remove_network ' . $netid);
                     unset($tmp_networks[$_POST['ssid' . $post_match[1]]]);
+
                 } elseif (preg_match('/update(\d+)/', $post, $post_match)) {
                     // NB, multiple protocols are separated with a forward slash ('/')
                     $tmp_networks[$_POST['ssid' . $post_match[1]]] = array(
@@ -44,6 +56,22 @@ function DisplayWPAConfig()
                     if (array_key_exists('priority' . $post_match[1], $_POST)) {
                         $tmp_networks[$_POST['ssid' . $post_match[1]]]['priority'] = $_POST['priority' . $post_match[1]];
                     }
+                    $network = $tmp_networks[$_POST['ssid' . $post_match[1]]];
+                    $ssid = escapeshellarg('"'.$_POST['ssid' . $post_match[1]].'"');
+                    $psk = escapeshellarg('"'.$_POST['passphrase' . $post_match[1]].'"');
+                    $netid = trim(shell_exec("sudo wpa_cli -i $iface add_network"));
+                    if (isset($netid)) {
+                        $commands = [
+                            "sudo wpa_cli -i $iface set_network $netid ssid $ssid",
+                            "sudo wpa_cli -i $iface set_network $netid psk $psk",
+                            "sudo wpa_cli -i $iface enable_network $netid"
+                        ];
+                        foreach ($commands as $cmd) {
+                            exec($cmd);
+                        }
+                    } else {
+                        $status->addMessage('Unable to add network with WPA command line client', 'warning');
+                    }
                 }
             }
 

includes/wifi_functions.php

@@ -9,10 +9,10 @@ function knownWifiStations(&$networks)
 {
     // Find currently configured networks
     exec(' sudo cat ' . RASPI_WPA_SUPPLICANT_CONFIG, $known_return);
-    $index = 0;
+    //$index = 0;
     foreach ($known_return as $line) {
         if (preg_match('/network\s*=/', $line)) {
-            $network = array('visible' => false, 'configured' => true, 'connected' => false, 'index' => $index);
+            $network = array('visible' => false, 'configured' => true, 'connected' => false, 'index' => null);
             ++$index;
         } elseif (isset($network) && $network !== null) {
             if (preg_match('/^\s*}\s*$/', $line)) {
@@ -25,6 +25,8 @@ function knownWifiStations(&$networks)
                     $ssid = trim($lineArr[1], '"');
                     $ssid = str_replace('P"','',$ssid);
                     $network['ssid'] = $ssid;
+                    $index = getNetworkIdBySSID($ssid);
+                    $network['index'] = $index;
                     break;
                 case 'psk':
                     $network['passkey'] = trim($lineArr[1]);
@@ -62,7 +64,6 @@ function nearbyWifiStations(&$networks, $cached = true)
         $cacheKey, function () {
             exec('sudo wpa_cli -i ' .$_SESSION['wifi_client_interface']. ' scan');
             sleep(3);
-
             $stdout = shell_exec('sudo wpa_cli -i ' .$_SESSION['wifi_client_interface']. ' scan_results');
             return preg_split("/\n/", $stdout);
         }
@@ -182,12 +183,14 @@ function getWifiInterface()
  */
 function reinitializeWPA($force)
 {
+    $iface = escapeshellarg($_SESSION['wifi_client_interface']);
     if ($force == true) {
-        $cmd = escapeshellcmd("sudo /bin/rm /var/run/wpa_supplicant/".$_SESSION['wifi_client_interface']);
+        $cmd = "sudo /bin/rm /var/run/wpa_supplicant/$iface";
-        $result = exec($cmd);
+        $result = shell_exec($cmd);
     }
-    $cmd = escapeshellcmd("sudo /sbin/wpa_supplicant -B -Dnl80211,wext -c/etc/wpa_supplicant/wpa_supplicant.conf -i". $_SESSION['wifi_client_interface']);
+    $cmd = "sudo wpa_cli -i $iface reconfigure";
     $result = shell_exec($cmd);
+    sleep(1);
     return $result;
 }
 
@@ -235,3 +238,82 @@ function getSignalBars($rssi)
     return $elem;
 }
 
+/*
+ * Parses output of wpa_cli list_networks, compares with known networks
+ * from wpa_supplicant, and adds with wpa_cli if not found
+ *
+ * @param array $networks
+ */
+function setKnownStationsWPA($networks)
+{
+    $iface = escapeshellarg($_SESSION['wifi_client_interface']);
+    $output = shell_exec("sudo wpa_cli -i $iface list_networks");
+    $lines = explode("\n", $output);
+    array_shift($lines);
+    $wpaCliNetworks = [];
+
+    foreach ($lines as $line) {
+        $data = explode("\t", trim($line));
+        if (!empty($data) && count($data) >= 2) {
+            $id = $data[0];
+            $ssid = $data[1];
+            $item = [
+                'id' => $id,
+                'ssid' => $ssid
+            ];
+            $wpaCliNetworks[] = $item;
+        }
+    }
+    foreach ($networks as $network) {
+        $ssid = $network['ssid'];
+        if (!networkExists($ssid, $wpaCliNetworks)) {
+            $ssid = escapeshellarg('"'.$network['ssid'].'"');
+            $psk = escapeshellarg('"'.$network['passphrase'].'"');
+            $netid = trim(shell_exec("sudo wpa_cli -i $iface add_network"));
+            if (isset($netid) && !isset($known[$netid])) {
+                $commands = [
+                    "sudo wpa_cli -i $iface set_network $netid ssid $ssid",
+                    "sudo wpa_cli -i $iface set_network $netid psk $psk",
+                    "sudo wpa_cli -i $iface enable_network $netid"
+                ];
+                foreach ($commands as $cmd) {
+                    exec($cmd);
+                    usleep(1000);
+                }
+            }
+        }
+    }
+}
+
+/*
+ * Parses wpa_cli list_networks output and returns the id
+ * of a corresponding network SSID
+ *
+ * @param string $ssid
+ * @return integer id
+ */
+function getNetworkIdBySSID($ssid) {
+    $iface = escapeshellarg($_SESSION['wifi_client_interface']);
+    $cmd = "sudo wpa_cli -i $iface list_networks";
+    $output = [];
+    exec($cmd, $output);
+    array_shift($output);
+    foreach ($output as $line) {
+        $columns = preg_split('/\t/', $line);
+        if (count($columns) >= 4 && trim($columns[1]) === trim($ssid)) {
+            return $columns[0]; // return network ID
+        }
+    }
+    return null;
+}
+
+function networkExists($ssid, $collection)
+{
+    foreach ($collection as $network) {
+        if ($network['ssid'] === $ssid) {
+            return true;
+        }
+    }
+    return false;
+}
+

installers/raspap.sudoers

@@ -1,15 +1,21 @@
 www-data ALL=(ALL) NOPASSWD:/sbin/ifdown
 www-data ALL=(ALL) NOPASSWD:/sbin/ifup
 www-data ALL=(ALL) NOPASSWD:/bin/cat /etc/wpa_supplicant/wpa_supplicant.conf
-www-data ALL=(ALL) NOPASSWD:/bin/cat /etc/wpa_supplicant/wpa_supplicant-wlan[0-9].conf
+www-data ALL=(ALL) NOPASSWD:/bin/cat /etc/wpa_supplicant/wpa_supplicant-[a-zA-Z0-9]*.conf
 www-data ALL=(ALL) NOPASSWD:/bin/cp /tmp/wifidata /etc/wpa_supplicant/wpa_supplicant.conf
-www-data ALL=(ALL) NOPASSWD:/bin/cp /tmp/wifidata /etc/wpa_supplicant/wpa_supplicant-wlan[0-9].conf
+www-data ALL=(ALL) NOPASSWD:/bin/cp /tmp/wifidata /etc/wpa_supplicant/wpa_supplicant-wl*.conf
-www-data ALL=(ALL) NOPASSWD:/sbin/wpa_supplicant -B -Dnl80211 -c/etc/wpa_supplicant/wpa_supplicant.conf -iwlan[0-9]
+www-data ALL=(ALL) NOPASSWD:/sbin/wpa_supplicant -B -Dnl80211 -c/etc/wpa_supplicant/wpa_supplicant.conf -i[a-zA-Z0-9]*
-www-data ALL=(ALL) NOPASSWD:/bin/rm /var/run/wpa_supplicant/wlan[0-9]
+www-data ALL=(ALL) NOPASSWD:/bin/rm /var/run/wpa_supplicant/[a-zA-Z0-9]*
-www-data ALL=(ALL) NOPASSWD:/sbin/wpa_cli -i wlan[0-9] scan_results
+www-data ALL=(ALL) NOPASSWD:/sbin/wpa_cli -i [a-zA-Z0-9]* scan_results
-www-data ALL=(ALL) NOPASSWD:/sbin/wpa_cli -i wlan[0-9] scan
+www-data ALL=(ALL) NOPASSWD:/sbin/wpa_cli -i [a-zA-Z0-9]* scan
-www-data ALL=(ALL) NOPASSWD:/sbin/wpa_cli -i wlan[0-9] reconfigure
+www-data ALL=(ALL) NOPASSWD:/sbin/wpa_cli -i [a-zA-Z0-9]* reconfigure
-www-data ALL=(ALL) NOPASSWD:/sbin/wpa_cli -i wlan[0-9] select_network [0-9]*
+www-data ALL=(ALL) NOPASSWD:/sbin/wpa_cli -i [a-zA-Z0-9]* add_network
+www-data ALL=(ALL) NOPASSWD:/sbin/wpa_cli -i [a-zA-Z0-9]* list_networks
+www-data ALL=(ALL) NOPASSWD:/sbin/wpa_cli -i enable_network [0-9]
+www-data ALL=(ALL) NOPASSWD:/sbin/wpa_cli -i disconnect [0-9]
+www-data ALL=(ALL) NOPASSWD:/sbin/wpa_cli -i [a-zA-Z0-9]* select_network [0-9]
+www-data ALL=(ALL) NOPASSWD:/sbin/wpa_cli -i [a-zA-Z0-9]* set_network [0-9] *
+www-data ALL=(ALL) NOPASSWD:/sbin/wpa_cli -i [a-zA-Z0-9]* remove_network [0-9]
 www-data ALL=(ALL) NOPASSWD:/bin/cp /tmp/hostapddata /etc/hostapd/hostapd.conf
 www-data ALL=(ALL) NOPASSWD:/bin/systemctl start hostapd.service
 www-data ALL=(ALL) NOPASSWD:/bin/systemctl stop hostapd.service
@@ -28,9 +34,9 @@ www-data ALL=(ALL) NOPASSWD:/bin/rm /etc/dnsmasq.d/090_*.conf
 www-data ALL=(ALL) NOPASSWD:/bin/cp /tmp/dhcpddata /etc/dhcpcd.conf
 www-data ALL=(ALL) NOPASSWD:/sbin/shutdown -h now
 www-data ALL=(ALL) NOPASSWD:/sbin/reboot
-www-data ALL=(ALL) NOPASSWD:/sbin/ip link set wlan[0-9] down
+www-data ALL=(ALL) NOPASSWD:/sbin/ip link set wl* down
-www-data ALL=(ALL) NOPASSWD:/sbin/ip link set wlan[0-9] up
+www-data ALL=(ALL) NOPASSWD:/sbin/ip link set wl* up
-www-data ALL=(ALL) NOPASSWD:/sbin/ip -s a f label wlan[0-9]
+www-data ALL=(ALL) NOPASSWD:/sbin/ip -s a f label wl*
 www-data ALL=(ALL) NOPASSWD:/sbin/ifup *
 www-data ALL=(ALL) NOPASSWD:/sbin/ifdown *
 www-data ALL=(ALL) NOPASSWD:/sbin/iw

templates/configure_client.php

@@ -24,7 +24,7 @@
             <button type="button" class="btn btn-info float-right js-reload-wifi-stations"><?php echo _("Rescan"); ?></button>
           </div>
         </div>
-        <div class="row">
+        <div class="row" id="wpaConf">
           <div class="col">
             <form method="POST" action="wpa_conf" name="wpa_conf_form">
               <?php echo CSRFTokenFieldTag() ?>