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yuancheng
2026-07-19 18:01:05 +08:00
commit fe4b286ce1
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admin/expert/fulledit_bmapikey.php
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<?php
/**
* Raw text editor for /etc/bmapi.key (BrandMeister API token).
*
* Creates the file on first save if it doesn't exist, using a sudo
* shell-redirected `echo` (slight deviation from the standard
* staged-write pattern). Used by mmdvmhost/bm_links.php and
* mmdvmhost/bm_manager.php as the Bearer token for BrandMeister
* API queries. No daemon restart.
*/
require_once($_SERVER['DOCUMENT_ROOT'].'/config/security_headers.php');
require_once($_SERVER['DOCUMENT_ROOT'].'/config/csrf.php');
require_once($_SERVER['DOCUMENT_ROOT'].'/config/banner_warnings.inc');
setSecurityHeaders();
// CSRF protection — see config/csrf.php for the full rationale.
// Must run BEFORE any output: bootstraps the session on GET (so
// Set-Cookie ships) and rejects forged POSTs cleanly with 403
// before any state change (sed-i, fopen+fwrite, sudo cp, etc.).
csrf_verify();
// Layer 2 of the default-password protection — see config/banner_warnings.inc.
// MUST run BEFORE any output so header('Location: ...') works.
pistar_warnings_enforce_redirect();
// Load the language support
require_once('../config/language.php');
//Load the Pi-Star Release file
$pistarReleaseConfig = '/etc/pistar-release';
$configPistarRelease = array();
$configPistarRelease = parse_ini_file($pistarReleaseConfig, true);
//Load the Version Info
require_once('../config/version.php');
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:v="urn:schemas-microsoft-com:vml" lang="en">
<head>
<meta name="robots" content="index" />
<meta name="robots" content="follow" />
<meta name="language" content="English" />
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<meta name="Author" content="Andrew Taylor (MW0MWZ)" />
<meta name="Description" content="Pi-Star Expert Editor" />
<meta name="KeyWords" content="Pi-Star" />
<meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate" />
<meta http-equiv="pragma" content="no-cache" />
<link rel="shortcut icon" href="images/favicon.ico" type="image/x-icon">
<meta http-equiv="Expires" content="0" />
<title>Pi-Star - Digital Voice Dashboard - Expert Editor</title>
<link rel="stylesheet" type="text/css" href="../css/pistar-css.php" />
</head>
<body>
<?php pistar_warnings_render(); ?>
<div class="container">
<?php include './header-menu.inc'; ?>
<div class="contentwide">
<?php
// A3-3 — see edit_ircddbgateway.php for the full TOCTOU rationale.
// /etc/bmapi.key holds the BrandMeister API token, so the
// random-name TOCTOU defence is more important here than for the
// other editors. tempnam() creates the staging file mode 600
// owned by www-data with an unguessable random suffix.
$filepath = tempnam('/tmp', 'pistar-edit-');
register_shutdown_function(function() use ($filepath) { @unlink($filepath); });
if (file_exists('/etc/bmapi.key')) {
exec('sudo cp /etc/bmapi.key ' . escapeshellarg($filepath));
} else {
// Seed the staging file with the empty-config default. tempnam
// already created the file owned by www-data, so PHP-side
// file_put_contents writes through directly — no `sudo echo`
// gymnastics needed.
file_put_contents($filepath, "[key]\napikey=None\n");
}
exec('sudo chown www-data:www-data ' . escapeshellarg($filepath));
exec('sudo chmod 600 ' . escapeshellarg($filepath));
//after the form submit
if($_POST) {
$data = $_POST;
//update ini file, call function
update_ini_file($data, $filepath);
}
//this is the function going to update your ini file
function update_ini_file($data, $filepath)
{
$content = "";
//parse the ini file using default parse_ini_file() PHP function
$parsed_ini = parse_ini_file($filepath, true);
foreach($data as $section=>$values) {
// UnBreak special cases
$section = str_replace("_", " ", $section);
$content .= "[".$section."]\n";
//append the values
foreach($values as $key=>$value) {
// Strip CR/LF from values before they reach the INI
// line. Same rationale as fulledit_dapnetapi.php: a
// newline inside $value would split into a fresh
// INI line and let an attacker inject extra keys.
$value = str_replace(array("\r", "\n"), "", (string)$value);
if ($value == '') {
$content .= $key."=none\n";
} else {
$content .= $key."=".$value."\n";
}
}
$content .= "\n";
}
//write it into file
if (!$handle = fopen($filepath, 'w')) {
return false;
}
$success = fwrite($handle, $content);
fclose($handle);
// Atomic install: mode + owner set in one syscall sequence.
// /etc/bmapi.key holds the BrandMeister API token — mode 600
// keeps it readable only by www-data (the dashboard user).
// Owner left as www-data because banner_warnings.inc / bm_links.php /
// bm_manager.php read the file directly via parse_ini_file()
// without sudo — switching to root:root here would silently
// break those reads. (Tightening to root:root is a follow-up
// once the read sites move to a sudo-cat helper.)
exec('sudo mount -o remount,rw /');
exec('sudo install -m 600 -o www-data -g www-data '
. escapeshellarg($filepath) . ' /etc/bmapi.key');
exec('sudo mount -o remount,ro /');
return $success;
}
//parse the ini file using default parse_ini_file() PHP function
$parsed_ini = parse_ini_file($filepath, true);
if (!isset($parsed_ini['key']['apikey'])) { $parsed_ini['key']['apikey'] = ""; }
echo '<form action="" method="post">'."\n";
echo csrf_field_html()."\n";
foreach($parsed_ini as $section=>$values) {
// INI section / key / value all come from /etc/bmapi.key. Same
// hardening as edit_mmdvmhost.php (#23) but the value lands
// inside a <textarea>...</textarea> body — htmlspecialchars
// covers both attribute and body contexts safely. Browser
// decodes the named entities on form submit, so legitimate
// values containing `<`, `>`, `&`, `"` round-trip byte-identically.
$sectionHtml = htmlspecialchars((string)$section, ENT_QUOTES, 'UTF-8');
// keep the section as hidden text so we can update once the form submitted
echo "<input type=\"hidden\" value=\"$sectionHtml\" name=\"$sectionHtml\" />\n";
echo "<table>\n";
echo "<tr><th colspan=\"2\">$sectionHtml</th></tr>\n";
// print all other values as input fields, so can edit.
// note the name='' attribute it has both section and key
foreach($values as $key=>$value) {
$keyHtml = htmlspecialchars((string)$key, ENT_QUOTES, 'UTF-8');
$valueHtml = htmlspecialchars((string)$value, ENT_QUOTES, 'UTF-8');
if (($key == "Options") || ($value)) {
echo "<tr><td align=\"right\" width=\"30%\">$keyHtml</td><td align=\"left\"><textarea name=\"{$sectionHtml}[$keyHtml]\" cols=\"60\" rows=\"13\">$valueHtml</textarea></td></tr>\n";
}
elseif (($key == "Display") && ($value == '')) {
echo "<tr><td align=\"right\" width=\"30%\">$keyHtml</td><td align=\"left\"><textarea name=\"{$sectionHtml}[$keyHtml]\" cols=\"60\" rows=\"13\">$valueHtml</textarea></td></tr>\n";
}
else {
echo "<tr><td align=\"right\" width=\"30%\">$keyHtml</td><td align=\"left\"><textarea name=\"{$sectionHtml}[$keyHtml]\" cols=\"60\" rows=\"13\">$valueHtml</textarea></td></tr>\n";
}
}
echo "</table>\n";
echo '<input type="submit" value="'.$lang['apply'].'" />'."\n";
echo "<br />\n";
}
echo "</form>";
?>
</div>
<div class="footer">
Pi-Star / Pi-Star Dashboard, &copy; Andy Taylor (MW0MWZ) 2014-<?php echo date("Y"); ?>.<br />
Need help? Click <a style="color: #ffffff;" href="https://www.facebook.com/groups/pistarusergroup/" target="_new">here for the Support Group</a><br />
Get your copy of Pi-Star from <a style="color: #ffffff;" href="http://www.pistar.uk/downloads/" target="_new">here</a>.<br />
</div>
</div>
</body>
</html>