From: Michael Tremer <michael.tremer@ipfire.org>
Date: Mon, 5 Sep 2022 16:29:34 +0000 (+0000)
Subject: archive: Check whether we are trying to open an empty file
X-Git-Tag: 0.9.28~321
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=79a1269d7eee9348801026a1d3059f7ff55e3785;p=pakfire.git

archive: Check whether we are trying to open an empty file

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/src/libpakfire/archive.c b/src/libpakfire/archive.c
index 62499943b..799eda75b 100644
--- a/src/libpakfire/archive.c
+++ b/src/libpakfire/archive.c
@@ -566,6 +566,13 @@ static int __pakfire_archive_filter_metadata(struct pakfire* pakfire,
 static int pakfire_archive_read_metadata(struct pakfire_archive* archive) {
 	int r;
 
+	// Check if the archive file actually has any contect
+	if (!archive->stat.st_size) {
+		ERROR(archive->pakfire, "Trying to open an empty archive file\n");
+		errno = EINVAL;
+		return 1;
+	}
+
 	DEBUG(archive->pakfire, "Reading archive metadata...\n");
 
 	// Walk through the archive