0 ? $header_size+1 : 1);
$grepline = " | /usr/bin/sed -e '{$ini},\$ { /" . escapeshellarg(htmlspecialchars($filter)) . "/!d; };'";
}
if (is_numeric($limit) && $limit > 0) {
$limit += $header_size;
$headline = " | /usr/bin/head -n {$limit}";
}
$fd = popen("{$command}{$grepline}{$headline} 2>&1", "r");
$ct = 0;
$result = "";
while (($line = fgets($fd)) !== FALSE) {
$result .= htmlspecialchars($line, ENT_NOQUOTES);
if ($ct++ > 1000) {
ob_flush();
$ct = 0;
}
}
pclose($fd);
return $result;
}
function countCmdT($command) {
$fd = popen("{$command} 2>&1", "r");
$c = 0;
while (fgets($fd) !== FALSE) {
$c++;
}
pclose($fd);
return $c;
}
function showCmdT($idx, $data) {
echo "\n";
echo " \n";
echo "
\n";
}
/* Define a command, with a title, to be executed later. */
function defCmdT($idx, $title, $command, $has_filter = false, $header_size = 0) {
global $commands;
$title = htmlspecialchars($title, ENT_NOQUOTES);
$commands[$idx] = array(
'title' => $title,
'command' => $command,
'has_filter' => $has_filter,
'header_size' => $header_size);
}
/* List all of the commands as an index. */
function listCmds() {
global $commands;
echo "This status page includes the following information:\n";
echo "
\n";
}
/* Execute all of the commands which were defined by a call to defCmd. */
function execCmds() {
global $commands;
foreach ($commands as $idx => $command) {
showCmdT($idx, $command);
}
}
?>