query("SELECT $column FROM $table");
$content = "";
while($row = $results->fetchArray()) {
$content .= $row[0]."\n";
}
$archive[$name] = $content;
}
function archive_add_directory($path,$subdir="")
{
if($dir = opendir($path))
{
while(false !== ($entry = readdir($dir)))
{
if($entry !== "." && $entry !== "..")
{
archive_add_file($path,$entry,$subdir);
}
}
closedir($dir);
}
}
function limit_length(&$item, $key)
{
// limit max length for a domain entry to 253 chars
// return only a part of the string if it is longer
$item = substr($item, 0, 253);
}
function process_file($contents,$check=True)
{
$domains = array_filter(explode("\n",$contents));
// Walk array and apply a max string length
// function to every member of the array of domains
array_walk($domains, "limit_length");
// Check validity of domains (don't do it for regex filters)
if($check)
{
check_domains($domains);
}
return $domains;
}
function check_domains($domains)
{
foreach($domains as $domain)
{
if(!is_valid_domain_name($domain)){
die(htmlspecialchars($domain).' is not a valid domain');
}
}
}
if(isset($_POST["action"]))
{
if($_FILES["zip_file"]["name"] && $_POST["action"] == "in")
{
$filename = $_FILES["zip_file"]["name"];
$source = $_FILES["zip_file"]["tmp_name"];
$type = mime_content_type($source);
$name = explode(".", $filename);
$accepted_types = array('application/gzip', 'application/tar', 'application/x-compressed', 'application/x-gzip');
$okay = false;
foreach($accepted_types as $mime_type) {
if($mime_type == $type) {
$okay = true;
break;
}
}
$continue = strtolower($name[1]) == 'tar' && strtolower($name[2]) == 'gz' ? true : false;
if(!$continue || !$okay) {
die("The file you are trying to upload is not a .tar.gz file (filename: ".htmlentities($filename).", type: ".htmlentities($type)."). Please try again.");
}
$fullfilename = sys_get_temp_dir()."/".$filename;
if(!move_uploaded_file($source, $fullfilename))
{
die("Failed moving ".htmlentities($source)." to ".htmlentities($fullfilename));
}
$archive = new PharData($fullfilename);
$importedsomething = false;
foreach($archive as $file)
{
if(isset($_POST["blacklist"]) && $file->getFilename() === "blacklist.txt")
{
$blacklist = process_file(file_get_contents($file));
echo "Processing blacklist.txt (".count($blacklist)." entries)
\n";
exec("sudo pihole -b -nr --nuke");
exec("sudo pihole -b -q -nr ".implode(" ", $blacklist));
$importedsomething = true;
}
if(isset($_POST["whitelist"]) && $file->getFilename() === "whitelist.txt")
{
$whitelist = process_file(file_get_contents($file));
echo "Processing whitelist.txt (".count($whitelist)." entries)
\n";
exec("sudo pihole -w -nr --nuke");
exec("sudo pihole -w -q -nr ".implode(" ", $whitelist));
$importedsomething = true;
}
if(isset($_POST["regexlist"]) && $file->getFilename() === "regex.list")
{
$regexlist = process_file(file_get_contents($file),false);
echo "Processing regex.list (".count($regexlist)." entries)
\n";
$escapedRegexlist = array_map("escapeshellcmd", $regexlist);
exec("sudo pihole --regex -nr --nuke");
exec("sudo pihole --regex -q -nr ".implode(" ", $escapedRegexlist));
$importedsomething = true;
}
// Also try to import legacy wildcard list if found
if(isset($_POST["regexlist"]) && $file->getFilename() === "wildcardblocking.txt")
{
$wildlist = process_file(file_get_contents($file));
echo "Processing wildcardblocking.txt (".count($wildlist)." entries)
\n";
exec("sudo pihole --wild -nr --nuke");
exec("sudo pihole --wild -q -nr ".implode(" ", $wildlist));
$importedsomething = true;
}
if(isset($_POST["auditlog"]) && $file->getFilename() === "auditlog.list")
{
$auditlog = process_file(file_get_contents($file));
echo "Processing auditlog.list (".count($auditlog)." entries)
\n";
exec("sudo pihole -a clearaudit");
exec("sudo pihole -a audit ".implode(" ",$auditlog));
}
if($importedsomething)
{
exec("sudo pihole restartdns");
}
}
unlink($fullfilename);
echo "OK";
}
else
{
die("No file transmitted or parameter error.");
}
}
else
{
$tarname = "pi-hole-teleporter_".date("Y-m-d_h-i-s").".tar";
$filename = $tarname.".gz";
$archive_file_name = sys_get_temp_dir() ."/". $tarname;
$archive = new PharData($archive_file_name);
if ($archive->isWritable() !== TRUE) {
exit("cannot open/create ".htmlentities($archive_file_name)."
\nPHP user: ".exec('whoami')."\n");
}
archive_add_table("whitelist.txt", "whitelist", "domain");
archive_add_table("blacklist.txt", "blacklist", "domain");
archive_add_table("regex.list", "regex", "domain");
archive_add_table("adlists.list", "adlist", "address");
archive_add_file("/etc/pihole/","setupVars.conf");
archive_add_file("/etc/pihole/","auditlog.list");
archive_add_directory("/etc/dnsmasq.d/","dnsmasq.d/");
$archive->compress(Phar::GZ); // Creates a gziped copy
unlink($archive_file_name); // Unlink original tar file as it is not needed anymore
$archive_file_name .= ".gz"; // Append ".gz" extension to ".tar"
header("Content-type: application/gzip");
header('Content-Transfer-Encoding: binary');
header("Content-Disposition: attachment; filename=".$filename);
header("Content-length: " . filesize($archive_file_name));
header("Pragma: no-cache");
header("Expires: 0");
if(ob_get_length() > 0) ob_end_clean();
readfile($archive_file_name);
ignore_user_abort(true);
unlink($archive_file_name);
exit;
}
?>