1 files changed, 96 insertions, 0 deletions
diff --git a/tools/regression/priv/priv_vfs_extattr_system.c b/tools/regression/priv/priv_vfs_extattr_system.c
new file mode 100644
index 0000000..d67c550
--- /dev/null
+++ b/tools/regression/priv/priv_vfs_extattr_system.c
@@ -0,0 +1,96 @@
+/*-
+ * 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 privilege is required to write to the system extended attribute
+ * namespace.
+ */
+
+#include <sys/types.h>
+#include <sys/extattr.h>
+
+#include <err.h>
+#include <errno.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "main.h"
+
+#define	EA_NAMESPACE	EXTATTR_NAMESPACE_SYSTEM
+#define	EA_NAME		"test"
+#define	EA_DATA		"test"
+#define	EA_SIZE		strlen(EA_DATA)
+
+void
+priv_vfs_extattr_system(void)
+{
+	char fpath[1024];
+	int error;
+
+	assert_root();
+
+	/*
+	 * Set file perms so that discretionary access control would grant
+	 * write rights on non-system EAs on the file.
+	 */
+	setup_file(fpath, UID_ROOT, GID_WHEEL, 0666);
+
+	/*
+	 * Try with privilege.
+	 */
+	if (extattr_set_file(fpath, EA_NAMESPACE, EA_NAME, EA_DATA, EA_SIZE)
+	    < 0) {
+		warn("extattr_set_file(SYSTEM, %s, %s, %d) as root",
+		    EA_NAME, EA_DATA, EA_SIZE);
+		goto out;
+	}
+
+	set_euid(UID_OTHER);
+
+	/*
+	 * Try without privilege.
+	 */
+	error = extattr_set_file(fpath, EA_NAMESPACE, EA_NAME, EA_DATA,
+	   EA_SIZE);
+	if (error == 0) {
+		warn("extattr_set_file(SYSTEM, %s, %s, %d) succeeded as !root",
+		    EA_NAME, EA_DATA, EA_SIZE);
+		goto out;
+	}
+	if (errno != EPERM) {
+		warn("extattr_set_file(SYSTEM, %s, %s, %d) wrong errno %d "
+		    "as !root", EA_NAME, EA_DATA, EA_SIZE, errno);
+		goto out;
+	}
+out:
+	seteuid(UID_ROOT);
+	(void)unlink(fpath);
+}