From: Sebastian Freundt <freundt@ga-group.nl>
Date: Tue, 10 Jun 2014 11:01:06 +0000 (+0000)
Subject: Hygiene, protect against NULL filenames in _warc_header()
X-Git-Tag: v3.1.900a~295^2^2~7
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6e70844f13ed939bab77f3cd903440bcfe9adbec;p=thirdparty%2Flibarchive.git

Hygiene, protect against NULL filenames in _warc_header()

Return ARCHIVE_WARN immediately.
---

diff --git a/libarchive/archive_write_set_format_warc.c b/libarchive/archive_write_set_format_warc.c
index f16c8b1a2..cd1fde9f9 100644
--- a/libarchive/archive_write_set_format_warc.c
+++ b/libarchive/archive_write_set_format_warc.c
@@ -216,6 +216,12 @@ _warc_header(struct archive_write *a, struct archive_entry *entry)
 		w->omit_warcinfo = 1U;
 	}
 
+	if (archive_entry_pathname(entry) == NULL) {
+		archive_set_error(&a->archive, EINVAL,
+		    "Invalid filename");
+		return (ARCHIVE_WARN);
+	}
+
 	w->typ = archive_entry_filetype(entry);
 	w->populz = 0U;
 	if (w->typ == AE_IFREG) {