1 files changed, 121 insertions, 0 deletions
diff --git a/tools/regression/priv/priv_vfs_setgid.c b/tools/regression/priv/priv_vfs_setgid.c
new file mode 100644
index 000000000000..62ebf8c3a7c3
--- /dev/null
+++ b/tools/regression/priv/priv_vfs_setgid.c
@@ -0,0 +1,121 @@
+/*-
+ * Copyright (c) 2006 nCircle Network Security, Inc.
+ * Copyright (c) 2007 Robert N. M. Watson
+ * 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 privilege is required to set the sgid bit on a file with a group
+ * that isn't in the process credential.  The file uid owner is set to the
+ * uid being tested with, as we are not interested in testing privileges
+ * associated with file ownership.
+ */
+
+#include <sys/stat.h>
+
+#include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#include "main.h"
+
+static char fpath[1024];
+static int fpath_initialized;
+
+int
+priv_vfs_setgid_fowner_setup(int asroot, int injail, struct test *test)
+{
+
+	setup_file("priv_vfs_setgid_fowner: fpath", fpath, UID_OWNER,
+	    GID_OWNER, 0600);
+	fpath_initialized = 1;
+	return (0);
+}
+
+int
+priv_vfs_setgid_fother_setup(int asroot, int injail, struct test *test)
+{
+
+	/* NOTE: owner uid, *other* gid. */
+	setup_file("priv_vfs_setgid_forther: fpath", fpath, UID_OWNER,
+	    GID_OTHER, 0600);
+	fpath_initialized = 1;
+	return (0);
+}
+
+void
+priv_vfs_setgid_fowner(int asroot, int injail, struct test *test)
+{
+	int error;
+
+	error = chmod(fpath, 0600 | S_ISGID);
+	if (asroot && injail)
+		expect("priv_vfs_setgid_fowner(asroot, injail)", error, 0,
+		    0);
+	if (asroot && !injail)
+		expect("priv_vfs_setgid_fowner(asroot, !injail)", error, 0,
+		    0);
+	if (!asroot && injail)
+		expect("priv_vfs_setgid_fowner(!asroot, injail)", error, 0,
+		    0);
+	if (!asroot && !injail)
+		expect("priv_vfs_setgid_fowner(!asroot, !injail)", error, 0,
+		    0);
+}
+
+void
+priv_vfs_setgid_fother(int asroot, int injail, struct test *test)
+{
+	int error;
+
+	error = chmod(fpath, 0600 | S_ISGID);
+	if (asroot && injail)
+		expect("priv_vfs_setgid_fother(asroot, injail)", error, 0,
+		    0);
+	if (asroot && !injail)
+		expect("priv_vfs_setgid_fother(asroot, !injail)", error, 0,
+		    0);
+	if (!asroot && injail)
+		expect("priv_vfs_setgid_fother(!asroot, injail)", error, -1,
+		    EPERM);
+	if (!asroot && !injail)
+		expect("priv_vfs_setgid_fother(!asroot, !injail)", error, -1,
+		    EPERM);
+}
+
+void
+priv_vfs_setgid_cleanup(int asroot, int injail, struct test *test)
+{
+
+	if (fpath_initialized) {
+		(void)unlink(fpath);
+		fpath_initialized = 0;
+	}
+}