` on the
* device; output streams to /var/log/pi-star/pi-star_icmptest.log
* which this page tails via AJAX (jquery-timing $.repeat).
*
* Uses system()/exec() rather than the staged-write pattern — no
* file edits, just a privileged background process.
*/
require_once($_SERVER['DOCUMENT_ROOT'].'/config/security_headers.php');
require_once($_SERVER['DOCUMENT_ROOT'].'/config/banner_warnings.inc');
setSecurityHeaders();
// 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');
// Sanity Check that this file has been opened correctly
if ($_SERVER["PHP_SELF"] == "/admin/expert/jitter_test.php") {
if (isset($_GET['group'])) {
if ($_GET['group'] == "brandmeister") { $target = "BM"; }
if ($_GET['group'] == "dmrplus") { $target = "DMR+"; }
if ($_GET['group'] == "hblink") { $target = "HB"; }
} else { $target = "DMR+"; }
if (!isset($_GET['ajax'])) {
// truncate creates+clears the log file in one synchronous call —
// see admin/update.php for the full rationale.
system('sudo truncate -s 0 /var/log/pi-star/pi-star_icmptest.log');
system('sudo /usr/local/sbin/pistar-jittertest '.$target.' > /dev/null 2>&1 &');
}
// Sanity Check Passed.
header('Cache-Control: no-cache');
session_start();
if (!isset($_GET['ajax'])) {
//unset($_SESSION['update_offset']);
if (file_exists('/var/log/pi-star/pi-star_icmptest.log')) {
$_SESSION['update_offset'] = filesize('/var/log/pi-star/pi-star_icmptest.log');
} else {
$_SESSION['update_offset'] = 0;
}
}
if (isset($_GET['ajax'])) {
//session_start();
if (!file_exists('/var/log/pi-star/pi-star_icmptest.log')) {
exit();
}
$handle = fopen('/var/log/pi-star/pi-star_icmptest.log', 'rb');
if (isset($_SESSION['update_offset'])) {
fseek($handle, 0, SEEK_END);
if ($_SESSION['update_offset'] > ftell($handle)) //log rotated/truncated
$_SESSION['update_offset'] = 0; //continue at beginning of the new log
$data = stream_get_contents($handle, -1, $_SESSION['update_offset']);
$_SESSION['update_offset'] += strlen($data);
echo "