File bsc#1137835-0001-ipc-use-O_EXCL-when-opening-IPC-files.patch of Package libqb.26134

From 269a0ca00717d2f43f03be5f7b034d93fb33f473 Mon Sep 17 00:00:00 2001
From: Christine Caulfield <ccaulfie@redhat.com>
Date: Mon, 8 Apr 2019 13:31:38 +0100
Subject: [PATCH] ipc: use O_EXCL when opening IPC files

---
 lib/ipc_socket.c | 2 +-
 lib/ringbuffer.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/ipc_socket.c b/lib/ipc_socket.c
index fe2040e..1f7cde3 100644
--- a/lib/ipc_socket.c
+++ b/lib/ipc_socket.c
@@ -790,7 +790,7 @@ qb_ipcs_us_connect(struct qb_ipcs_service *s,
 
 	fd_hdr = qb_sys_mmap_file_open(path, r->request,
 				       SHM_CONTROL_SIZE,
-				       O_CREAT | O_TRUNC | O_RDWR);
+				       O_CREAT | O_TRUNC | O_RDWR | O_EXCL);
 	if (fd_hdr < 0) {
 		res = fd_hdr;
 		errno = -fd_hdr;
diff --git a/lib/ringbuffer.c b/lib/ringbuffer.c
index 81411cb..8852ff5 100644
--- a/lib/ringbuffer.c
+++ b/lib/ringbuffer.c
@@ -155,7 +155,7 @@ qb_rb_open_2(const char *name, size_t size, uint32_t flags,
 	    sizeof(struct qb_ringbuffer_shared_s) + shared_user_data_size;
 
 	if (flags & QB_RB_FLAG_CREATE) {
-		file_flags |= O_CREAT | O_TRUNC;
+		file_flags |= O_CREAT | O_TRUNC | O_EXCL;
 	}
 
 	rb = calloc(1, sizeof(struct qb_ringbuffer_s));
-- 
2.16.4