From 86b7b5cd9621946a3ea20905c0559d662c84770b Mon Sep 17 00:00:00 2001
From: Stefan Metzmacher <metze@samba.org>
Date: Sun, 10 Jul 2011 16:40:37 +0200
Subject: socket_wrapper: make sure interfaces are in the valid range on bind()

metze

Autobuild-User: Stefan Metzmacher <metze@samba.org>
Autobuild-Date: Sun Jul 10 18:24:14 CEST 2011 on sn-devel-104
---
 lib/socket_wrapper/socket_wrapper.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/socket_wrapper/socket_wrapper.c b/lib/socket_wrapper/socket_wrapper.c
index d70459ba08..2b526262bd 100644
--- a/lib/socket_wrapper/socket_wrapper.c
+++ b/lib/socket_wrapper/socket_wrapper.c
@@ -554,6 +554,11 @@ static int convert_in_un_alloc(struct socket_info *si, const struct sockaddr *in
 
 	if (bcast) *bcast = is_bcast;
 
+	if (iface == 0 || iface > MAX_WRAPPED_INTERFACES) {
+		errno = EINVAL;
+		return -1;
+	}
+
 	if (prt == 0) {
 		/* handle auto-allocation of ephemeral ports */
 		for (prt = 5001; prt < 10000; prt++) {
-- 
cgit