From: Stefan Metzmacher <metze@samba.org>
Date: Thu, 21 Dec 2023 12:02:43 +0000 (+0100)
Subject: lib/util: let is_zero_addr() return true for AF_UNSPEC
X-Git-Tag: talloc-2.4.2~128
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=d52f7279063817055b6816d9f8372e374c90f75f;p=thirdparty%2Fsamba.git

lib/util: let is_zero_addr() return true for AF_UNSPEC

It means the completely zero'ed structure is detected
as zero address, as AF_UNSPEC is 0.

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
---

diff --git a/lib/util/util_net.c b/lib/util/util_net.c
index acaa76ea74e..48c9552558b 100644
--- a/lib/util/util_net.c
+++ b/lib/util/util_net.c
@@ -642,6 +642,9 @@ bool is_zero_addr(const struct sockaddr_storage *pss)
 		const struct in_addr *pin = &((const struct sockaddr_in *)pss)->sin_addr;
 		return is_zero_ip_v4(*pin);
 	}
+	if (pss->ss_family == AF_UNSPEC) {
+		return true;
+	}
 	return false;
 }