From 81ca7d30de95d404b13bc5d61cb3a1a99d3d73ea Mon Sep 17 00:00:00 2001
From: Jan Friesse <jfriesse@redhat.com>
Date: Mon, 21 Oct 2013 17:14:02 +0200
Subject: [PATCH] ipc_setup: Set SO_PASSCRED on listener socket

This is needed, because newer kernels doesn't correctly support setting
SO_PASSCRED on sockets returned by accept call, but socket option must
be set on server socket (before accept call).

For more details, see:
http://patchwork.ozlabs.org/patch/284366/

Signed-off-by: Jan Friesse <jfriesse@redhat.com>
---
 lib/ipc_setup.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/lib/ipc_setup.c b/lib/ipc_setup.c
index 97c858c..b6beb6a 100644
--- a/lib/ipc_setup.c
+++ b/lib/ipc_setup.c
@@ -349,6 +349,9 @@ qb_ipcs_us_publish(struct qb_ipcs_service * s)
 {
 	struct sockaddr_un un_addr;
 	int32_t res;
+#ifdef SO_PASSCRED
+	int on = 1;
+#endif
 
 	/*
 	 * Create socket for IPC clients, name socket, listen for connections
@@ -407,6 +410,9 @@ qb_ipcs_us_publish(struct qb_ipcs_service * s)
 #if !defined(QB_LINUX) && !defined(QB_CYGWIN)
 	res = chmod(un_addr.sun_path, S_IRWXU | S_IRWXG | S_IRWXO);
 #endif
+#ifdef SO_PASSCRED
+	setsockopt(s->server_sock, SOL_SOCKET, SO_PASSCRED, &on, sizeof(on));
+#endif
 	if (listen(s->server_sock, SERVER_BACKLOG) == -1) {
 		qb_util_perror(LOG_ERR, "socket listen failed");
 	}
-- 
1.7.1