From: Michael Tremer <michael.tremer@ipfire.org>
Date: Sat, 9 Sep 2023 16:10:20 +0000 (+0000)
Subject: util: Fix potential NULL pointer dereference in pattern matching
X-Git-Tag: 0.9.29~10
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ab7e99513c2bc3d53719031cc7ad5c86303b365f;p=pakfire.git

util: Fix potential NULL pointer dereference in pattern matching

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

diff --git a/src/libpakfire/util.c b/src/libpakfire/util.c
index 0e0d05756..889848c3e 100644
--- a/src/libpakfire/util.c
+++ b/src/libpakfire/util.c
@@ -174,7 +174,7 @@ static int __pakfire_path_match_star(const char* p, const char* s) {
 	}
 
 	// The pattern has not entirely been consumed
-	if (*p)
+	if (p && *p)
 		return 0;
 
 	// If we reached the end of the string, * has consumed everything
@@ -187,7 +187,7 @@ static int __pakfire_path_match_star(const char* p, const char* s) {
 */
 int pakfire_path_match(const char* p, const char* s) {
 	// Empty pattern matches nothing
-	if (!*p)
+	if (!p || !*p)
 		return 0;
 
 	// Consume the pattern and string...