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From 394185c013c15e47ffa1bdc5948ac6010c329728 Mon Sep 17 00:00:00 2001
From: Michal Schmidt <mschmidt@redhat.com>
Date: Fri, 20 Feb 2015 02:25:16 +0100
Subject: [PATCH] shared: handle unnamed sockets in socket_address_equal()
Make sure we don't inspect sun_path of unnamed sockets.
Since we cannot know if two unnamed sockets' adresses refer to the same
socket, just return false.
(cherry picked from commit 710708a54ccc48e168ad7d4cd401645ef9e2eb14)
---
src/shared/socket-util.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/shared/socket-util.c b/src/shared/socket-util.c
index deecce8a8..a4e26b1d8 100644
--- a/src/shared/socket-util.c
+++ b/src/shared/socket-util.c
@@ -349,6 +349,10 @@ bool socket_address_equal(const SocketAddress *a, const SocketAddress *b) {
break;
case AF_UNIX:
+ if (a->size <= offsetof(struct sockaddr_un, sun_path) ||
+ b->size <= offsetof(struct sockaddr_un, sun_path))
+ return false;
+
if ((a->sockaddr.un.sun_path[0] == 0) != (b->sockaddr.un.sun_path[0] == 0))
return false;