dhcp/0004-dhcp-4.1.1-tmpfile.patch

From 70f2683580a88180238804546dd24a6a41427282 Mon Sep 17 00:00:00 2001
From: Marius Tomaschewski <mt@suse.de>
Date: Thu, 18 Aug 2011 10:06:01 +0200
Subject: [PATCH] dhcp-4.1.1-tmpfile

Signed-off-by: Marius Tomaschewski <mt@suse.de>

diff --git a/server/db.c b/server/db.c
index 5238ed8..0c642ad 100644
--- a/server/db.c
+++ b/server/db.c
@@ -1116,15 +1116,19 @@ int new_lease_file ()
 	 * either by malice or ignorance, we panic, since the potential
 	 * for havoc is high.
 	 */
-	if (snprintf (newfname, sizeof newfname, "%s.%d",
-		     path_dhcpd_db, (int)t) >= sizeof newfname)
+	if (snprintf (newfname, sizeof newfname, "%s.XXXXXX",
+		     path_dhcpd_db) >= sizeof newfname)
 		log_fatal("new_lease_file: lease file path too long");
 
-	db_fd = open (newfname, O_WRONLY | O_TRUNC | O_CREAT, 0664);
+	db_fd = mkstemp (newfname);
 	if (db_fd < 0) {
 		log_error ("Can't create new lease file: %m");
 		return 0;
 	}
+	if (fchmod(db_fd, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH) == -1) {
+		log_error ("Can't fchmod new lease file: %m");
+		goto fail;
+	}
 
 #if defined (PARANOIA)
 	/*
-- 
2.1.4