182 lines
7.7 KiB
PHP
182 lines
7.7 KiB
PHP
<?php
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/**
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* Raw text editor for /etc/dapnetapi.key (DAPNET credentials).
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*
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* Same first-save-via-shell-echo pattern as fulledit_bmapikey.php.
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* Read by dapnetgateway at startup; no daemon restart from this
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* editor.
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*/
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require_once($_SERVER['DOCUMENT_ROOT'].'/config/security_headers.php');
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require_once($_SERVER['DOCUMENT_ROOT'].'/config/csrf.php');
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require_once($_SERVER['DOCUMENT_ROOT'].'/config/banner_warnings.inc');
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setSecurityHeaders();
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// CSRF protection — see config/csrf.php for the full rationale.
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// Must run BEFORE any output: bootstraps the session on GET (so
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// Set-Cookie ships) and rejects forged POSTs cleanly with 403
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// before any state change (sed-i, fopen+fwrite, sudo cp, etc.).
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csrf_verify();
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// Layer 2 of the default-password protection — see config/banner_warnings.inc.
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// MUST run BEFORE any output so header('Location: ...') works.
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pistar_warnings_enforce_redirect();
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// Load the language support
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require_once('../config/language.php');
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//Load the Pi-Star Release file
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$pistarReleaseConfig = '/etc/pistar-release';
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$configPistarRelease = array();
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$configPistarRelease = parse_ini_file($pistarReleaseConfig, true);
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//Load the Version Info
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require_once('../config/version.php');
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?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" xmlns:v="urn:schemas-microsoft-com:vml" lang="en">
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<head>
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<meta name="robots" content="index" />
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<meta name="robots" content="follow" />
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<meta name="language" content="English" />
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
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<meta name="Author" content="Andrew Taylor (MW0MWZ)" />
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<meta name="Description" content="Pi-Star Expert Editor" />
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<meta name="KeyWords" content="Pi-Star" />
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<meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate" />
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<meta http-equiv="pragma" content="no-cache" />
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<link rel="shortcut icon" href="images/favicon.ico" type="image/x-icon">
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<meta http-equiv="Expires" content="0" />
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<title>Pi-Star - Digital Voice Dashboard - Expert Editor</title>
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<link rel="stylesheet" type="text/css" href="../css/pistar-css.php" />
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</head>
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<body>
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<?php pistar_warnings_render(); ?>
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<div class="container">
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<?php include './header-menu.inc'; ?>
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<div class="contentwide">
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<?php
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// A3-3 — see edit_ircddbgateway.php for the full TOCTOU rationale.
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// /etc/dapnetapi.key holds DAPNET credentials, so the random-name
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// TOCTOU defence is more important here than for the other editors.
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$filepath = tempnam('/tmp', 'pistar-edit-');
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register_shutdown_function(function() use ($filepath) { @unlink($filepath); });
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if (file_exists('/etc/dapnetapi.key')) {
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exec('sudo cp /etc/dapnetapi.key ' . escapeshellarg($filepath));
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} else {
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// Seed the staging file with the empty-config skeleton.
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// tempnam already created it owned by www-data, so PHP-side
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// file_put_contents writes through directly.
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file_put_contents(
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$filepath,
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"[DAPNETAPI]\nUSER=\nPASS=\nTRXAREA=\n"
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);
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}
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exec('sudo chown www-data:www-data ' . escapeshellarg($filepath));
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exec('sudo chmod 600 ' . escapeshellarg($filepath));
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//after the form submit
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if($_POST) {
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$data = $_POST;
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//update ini file, call function
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update_ini_file($data, $filepath);
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}
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//this is the function going to update your ini file
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function update_ini_file($data, $filepath)
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{
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$content = "";
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//parse the ini file to get the sections
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//parse the ini file using default parse_ini_file() PHP function
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$parsed_ini = parse_ini_file($filepath, true);
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foreach($data as $section=>$values) {
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// UnBreak special cases
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$section = str_replace("_", " ", $section);
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$content .= "[".$section."]\n";
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//append the values
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foreach($values as $key=>$value) {
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// Strip CR/LF from values before they land in the INI
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// file. The save handler writes `$key=$value\n` and a
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// newline inside $value would split the value into a
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// new INI line, allowing injection of arbitrary
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// additional keys (e.g. `value=foo\nDEBUG=1`). On a
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// single-operator device the practical risk is low
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// but the sanitiser is one line.
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$value = str_replace(array("\r", "\n"), "", (string)$value);
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$content .= $key."=".$value."\n";
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}
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$content .= "\n";
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}
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//write it into file
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if (!$handle = fopen($filepath, 'w')) {
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return false;
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}
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$success = fwrite($handle, $content);
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fclose($handle);
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// Atomic install: mode + owner set in one syscall sequence.
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// /etc/dapnetapi.key holds DAPNET credentials — mode 600 keeps
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// them readable only by www-data. Owner left as www-data
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// because the dapnetgateway daemon reads via the dashboard
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// (and dashboard reads it directly without sudo elsewhere);
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// see fulledit_bmapikey.php for the same rationale.
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exec('sudo mount -o remount,rw /');
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exec('sudo install -m 600 -o www-data -g www-data '
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. escapeshellarg($filepath) . ' /etc/dapnetapi.key');
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exec('sudo mount -o remount,ro /');
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return $success;
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}
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//parse the ini file using default parse_ini_file() PHP function
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$parsed_ini = parse_ini_file($filepath, true);
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echo '<form action="" method="post">'."\n";
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echo csrf_field_html()."\n";
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foreach($parsed_ini as $section=>$values) {
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// Same hardening as edit_mmdvmhost.php (#23): escape every INI
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// section / key / value before HTML interpolation. The save
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// handler writes POST bytes verbatim so legitimate values
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// (including any with `"` or `<`) round-trip byte-identically.
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$sectionHtml = htmlspecialchars((string)$section, ENT_QUOTES, 'UTF-8');
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// keep the section as hidden text so we can update once the form submitted
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echo "<input type=\"hidden\" value=\"$sectionHtml\" name=\"$sectionHtml\" />\n";
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echo "<table>\n";
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echo "<tr><th colspan=\"2\">$sectionHtml</th></tr>\n";
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// print all other values as input fields, so can edit.
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// note the name='' attribute it has both section and key
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foreach($values as $key=>$value) {
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$keyHtml = htmlspecialchars((string)$key, ENT_QUOTES, 'UTF-8');
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$valueHtml = htmlspecialchars((string)$value, ENT_QUOTES, 'UTF-8');
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if (($key == "Options") || ($value)) {
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echo "<tr><td align=\"right\" width=\"30%\">$keyHtml</td><td align=\"left\"><input type=\"text\" name=\"{$sectionHtml}[$keyHtml]\" value=\"$valueHtml\" /></td></tr>\n";
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}
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elseif (($key == "Display") && ($value == '')) {
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echo "<tr><td align=\"right\" width=\"30%\">$keyHtml</td><td align=\"left\"><input type=\"text\" name=\"{$sectionHtml}[$keyHtml]\" value=\"None\" /></td></tr>\n";
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}
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else {
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echo "<tr><td align=\"right\" width=\"30%\">$keyHtml</td><td align=\"left\"><input type=\"text\" name=\"{$sectionHtml}[$keyHtml]\" value=\"0\" /></td></tr>\n";
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}
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}
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echo "</table>\n";
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echo '<input type="submit" value="'.$lang['apply'].'" />'."\n";
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echo "<br />\n";
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}
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echo "</form>";
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?>
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</div>
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<div class="footer">
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Pi-Star / Pi-Star Dashboard, © Andy Taylor (MW0MWZ) 2014-<?php echo date("Y"); ?>.<br />
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Need help? Click <a style="color: #ffffff;" href="https://www.facebook.com/groups/pistarusergroup/" target="_new">here for the Support Group</a><br />
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Get your copy of Pi-Star from <a style="color: #ffffff;" href="http://www.pistar.uk/downloads/" target="_new">here</a>.<br />
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</div>
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</div>
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</body>
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</html>
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