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-rw-r--r--web/html/pkgsubmit.php18
1 files changed, 16 insertions, 2 deletions
diff --git a/web/html/pkgsubmit.php b/web/html/pkgsubmit.php
index edffbfa..72ada9d 100644
--- a/web/html/pkgsubmit.php
+++ b/web/html/pkgsubmit.php
@@ -26,18 +26,32 @@ if ($_COOKIE["AURSID"]):
$error = __("Error - No file uploaded");
}
+ # Check whether the file is gzip'ed
+ if (!$error) {
+ $fh = fopen($_FILES['pfile']['tmp_name'], 'rb');
+ fseek($fh, 0, SEEK_SET);
+ $magic = end(unpack('v', fread($fh, 2)));
+
+ if ($magic != 0x8b1f) {
+ $error = __("Error - unsupported file format (please submit gzip'ed tarballs generated by makepkg(8) only).");
+ }
+ }
+
# Check uncompressed file size (ZIP bomb protection)
if (!$error && $MAX_FILESIZE_UNCOMPRESSED) {
- $fh = fopen($_FILES['pfile']['tmp_name'], 'rb');
fseek($fh, -4, SEEK_END);
$filesize_uncompressed = end(unpack('V', fread($fh, 4)));
- fclose($fh);
if ($filesize_uncompressed > $MAX_FILESIZE_UNCOMPRESSED) {
$error = __("Error - uncompressed file size too large.");
}
}
+ # Close file handle before extracting stuff
+ if (is_resource($fh)) {
+ fclose($fh);
+ }
+
$uid = uid_from_sid($_COOKIE['AURSID']);
if (!$error) {