1 files changed, 95 insertions, 0 deletions
diff --git a/kernel/t_rnd.c b/kernel/t_rnd.c
new file mode 100644
index 000000000000..7f1f28844b7e
--- /dev/null
+++ b/kernel/t_rnd.c
@@ -0,0 +1,95 @@
+/*	$NetBSD: t_rnd.c,v 1.5 2012/03/18 09:46:50 jruoho Exp $	*/
+
+/*
+ * Copyright (c) 2009 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__RCSID("$NetBSD: t_rnd.c,v 1.5 2012/03/18 09:46:50 jruoho Exp $");
+
+#include <sys/types.h>
+#include <sys/fcntl.h>
+#include <sys/ioctl.h>
+#include <sys/rnd.h>
+
+#include <atf-c.h>
+
+#include <rump/rump.h>
+#include <rump/rump_syscalls.h>
+
+#include "../h_macros.h"
+
+ATF_TC(RNDADDDATA);
+ATF_TC_HEAD(RNDADDDATA, tc)
+{
+	atf_tc_set_md_var(tc, "descr",
+	    "Checks ioctl(RNDADDDATA) (PR kern/42020)");
+}
+
+/* Adapted from example provided by Juho Salminen in the noted PR. */
+ATF_TC_BODY(RNDADDDATA, tc)
+{
+	rnddata_t rd;
+	int fd;
+
+	rump_init();
+	fd = rump_sys_open("/dev/random", O_RDWR, 0);
+	if (fd == -1)
+		atf_tc_fail_errno("cannot open /dev/random");
+
+	rd.entropy = 1;
+	rd.len = 1;
+	if (rump_sys_ioctl(fd, RNDADDDATA, &rd) == -1)
+		atf_tc_fail_errno("RNDADDDATA");
+}
+
+ATF_TC(RNDADDDATA2);
+ATF_TC_HEAD(RNDADDDATA2, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "checks ioctl(RNDADDDATA) deals with "
+	    "garbage len field");
+}
+ATF_TC_BODY(RNDADDDATA2, tc)
+{
+	rnddata_t rd;
+	int fd;
+
+	rump_init();
+	fd = rump_sys_open("/dev/random", O_RDWR, 0);
+	if (fd == -1)
+		atf_tc_fail_errno("cannot open /dev/random");
+		
+	rd.entropy = 1;
+	rd.len = -1;
+	ATF_REQUIRE_ERRNO(EINVAL, rump_sys_ioctl(fd, RNDADDDATA, &rd) == -1);
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+	ATF_TP_ADD_TC(tp, RNDADDDATA);
+	ATF_TP_ADD_TC(tp, RNDADDDATA2);
+
+	return atf_no_error();
+}