mirror of
https://github.com/pi-hole/web.git
synced 2026-04-24 02:39:25 +01:00
@@ -7,7 +7,7 @@
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* Please see LICENSE file for your rights under this license.
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*/
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require_once('func.php');
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require_once 'func.php';
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// Start a new PHP session (or continue an existing one)
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// Prevents javascript XSS attacks aimed to steal the session ID
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@@ -17,56 +17,46 @@ ini_set('session.use_only_cookies', 1);
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session_start();
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// Read setupVars.conf file
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$setupVars = parse_ini_file("/etc/pihole/setupVars.conf");
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$setupVars = parse_ini_file('/etc/pihole/setupVars.conf');
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// Try to read password hash from setupVars.conf
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if(isset($setupVars['WEBPASSWORD']))
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{
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if (isset($setupVars['WEBPASSWORD'])) {
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$pwhash = $setupVars['WEBPASSWORD'];
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}
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else
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{
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$pwhash = "";
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} else {
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$pwhash = '';
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}
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// If the user wants to log out, we free all session variables currently registered
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// and delete any persistent cookie.
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if(isset($_GET["logout"]))
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{
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if (isset($_GET['logout'])) {
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session_unset();
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setcookie('persistentlogin', '', 1);
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header('Location: index.php');
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exit();
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exit;
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}
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$wrongpassword = false;
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$auth = false;
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// Test if password is set
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if(strlen($pwhash) > 0)
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{
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if (strlen($pwhash) > 0) {
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// Check for and authorize from persistent cookie
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if (isset($_COOKIE["persistentlogin"]))
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{
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if (hash_equals($pwhash, $_COOKIE["persistentlogin"]))
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{
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if (isset($_COOKIE['persistentlogin'])) {
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if (hash_equals($pwhash, $_COOKIE['persistentlogin'])) {
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$auth = true;
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// Refresh cookie with new expiry
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// setcookie( $name, $value, $expire, $path, $domain, $secure, $httponly )
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setcookie('persistentlogin', $pwhash, time()+60*60*24*7, null, null, null, true );
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}
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else
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{
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setcookie('persistentlogin', $pwhash, time() + 60 * 60 * 24 * 7, null, null, null, true);
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} else {
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// Invalid cookie
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$auth = false;
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setcookie('persistentlogin', '', 1);
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}
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}
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// Compare doubly hashes password input with saved hash
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else if(isset($_POST["pw"]))
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{
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$postinput = hash('sha256',hash('sha256',$_POST["pw"]));
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if(hash_equals($pwhash, $postinput))
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{
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elseif (isset($_POST['pw'])) {
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$postinput = hash('sha256', hash('sha256', $_POST['pw']));
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if (hash_equals($pwhash, $postinput)) {
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// Regenerate session ID to prevent session fixation
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session_regenerate_id();
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@@ -74,49 +64,42 @@ if(strlen($pwhash) > 0)
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$_SESSION = array();
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// Set hash in new session
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$_SESSION["hash"] = $pwhash;
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$_SESSION['hash'] = $pwhash;
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// Set persistent cookie if selected
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if (isset($_POST['persistentlogin']))
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{
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if (isset($_POST['persistentlogin'])) {
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// setcookie( $name, $value, $expire, $path, $domain, $secure, $httponly )
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setcookie('persistentlogin', $pwhash, time()+60*60*24*7, null, null, null, true );
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setcookie('persistentlogin', $pwhash, time() + 60 * 60 * 24 * 7, null, null, null, true);
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}
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// Login successful, redirect the user to the homepage to discard the POST request
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if ($_SERVER['REQUEST_METHOD'] === 'POST' && $_SERVER['QUERY_STRING'] === 'login') {
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if ('POST' === $_SERVER['REQUEST_METHOD'] && 'login' === $_SERVER['QUERY_STRING']) {
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header('Location: index.php');
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exit();
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exit;
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}
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$auth = true;
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}
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else
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{
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} else {
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$wrongpassword = true;
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}
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}
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// Compare auth hash with saved hash
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else if (isset($_SESSION["hash"]))
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{
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if(hash_equals($pwhash, $_SESSION["hash"]))
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elseif (isset($_SESSION['hash'])) {
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if (hash_equals($pwhash, $_SESSION['hash'])) {
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$auth = true;
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}
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}
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// API can use the hash to get data without logging in via plain-text password
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else if (isset($api) && isset($_GET["auth"]))
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{
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if(hash_equals($pwhash, $_GET["auth"]))
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elseif (isset($api, $_GET['auth'])) {
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if (hash_equals($pwhash, $_GET['auth'])) {
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$auth = true;
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}
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else
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{
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}
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} else {
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// Password or hash wrong
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$auth = false;
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}
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}
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else
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{
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} else {
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// No password set
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$auth = true;
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}
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?>
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