1 files changed, 63 insertions, 0 deletions
diff --git a/tools/regression/priv/priv_vfs_chroot.c b/tools/regression/priv/priv_vfs_chroot.c
new file mode 100644
index 0000000..06c36d4
--- /dev/null
+++ b/tools/regression/priv/priv_vfs_chroot.c
@@ -0,0 +1,63 @@
+/*-
+ * Copyright (c) 2006 nCircle Network Security, Inc.
+ * All rights reserved.
+ *
+ * This software was developed by Robert N. M. Watson for the TrustedBSD
+ * Project under contract to nCircle Network Security, Inc.
+ *
+ * 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 AUTHOR 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 AUTHOR, NCIRCLE NETWORK SECURITY,
+ * INC., 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.
+ *
+ * $FreeBSD$
+ */
+
+/*
+ * Test that chroot() requires privilege; try with, and without.  Do a no-op
+ * chroot() to "/".
+ *
+ * XXXRW: Would also be good to check fchroot() permission, but that is not
+ * exposed via the BSD API.
+ */
+
+#include <err.h>
+#include <errno.h>
+#include <unistd.h>
+
+#include "main.h"
+
+void
+priv_vfs_chroot(void)
+{
+	int error;
+
+	assert_root();
+
+	if (chroot("/") < 0)
+		err(-1, "chroot(\"/\") as root");
+
+	set_euid(UID_OTHER);
+
+	error = chroot("/");
+	if (error == 0)
+		errx(-1, "chroot(\"/\") succeeded as !root");
+	if (errno != EPERM)
+		err(-1, "chroot(\"/\") wrong errno %d as !root", errno);
+}