/*- * 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. */ /* * 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) static char fpath[1024]; static int fpath_initialized; int priv_vfs_extattr_system_setup(int asroot, int injail, struct test *test) { /* * Set file perms so that discretionary access control would grant * write rights on non-system EAs on the file. */ setup_file("priv_vfs_extattr_system_setup: fpath", fpath, UID_ROOT, GID_WHEEL, 0666); fpath_initialized = 1; return (0); } void priv_vfs_extattr_system(int asroot, int injail, struct test *test) { ssize_t ret; int error; ret = extattr_set_file(fpath, EA_NAMESPACE, EA_NAME, EA_DATA, EA_SIZE); if (ret < 0) error = -1; else if (ret == EA_SIZE) error = 0; else err(-1, "priv_vfs_extattr_system: set returned %zd", ret); if (asroot && injail) expect("priv_vfs_extattr_system(asroot, injail)", error, -1, EPERM); if (asroot && !injail) expect("priv_vfs_extattr_system(asroot, !injail)", error, 0, 0); if (!asroot && injail) expect("priv_vfs_extattr_system(!asroot, injail)", error, -1, EPERM); if (!asroot && !injail) expect("priv_vfs_extattr_system(!asroot, !injail)", error, -1, EPERM); } void priv_vfs_extattr_system_cleanup(int asroot, int injail, struct test *test) { if (fpath_initialized) { (void)unlink(fpath); fpath_initialized = 0; } }