/*- * 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. */ /* * This is a joint test of both the read and write privileges with respect to * discretionary file system access control (permissions). Only permissions, * not ACL semantics, and only privilege-related checks are performed. */ #include #include #include #include #include #include #include #include #include "main.h" static char fpath_none[1024]; static char fpath_read[1024]; static char fpath_write[1024]; static char fpath_readwrite[1024]; static int fpath_none_initialized; static int fpath_read_initialized; static int fpath_write_initialized; static int fpath_readwrite_initialized; static void try_io(const char *label, const char *fpathp, int asroot, int injail, int flags, int expected_error, int expected_errno) { int fd; fd = open(fpathp, flags); if (fd < 0) { if (expected_error != -1) warnx("%s(%s, %s): expected (%d, %d) got (-1, %d)", label, asroot ? "root" : "!root", injail ? "jail" : "!jail", expected_error, expected_errno, errno); } else { if (expected_error == -1) warnx("%s(%s, %s): expected (%d, %d) got 0", label, asroot ? "root" : "!root", injail ? "jail" : "!jail", expected_error, expected_errno); (void)close(fd); } } int priv_vfs_readwrite_fowner_setup(int asroot, int injail, struct test *test) { setup_file("priv_vfs_readwrite_fowner_setup: fpath_none", fpath_none, asroot ? UID_ROOT : UID_OWNER, GID_OTHER, 0000); fpath_none_initialized = 1; setup_file("priv_vfs_readwrite_fowner_setup: fpath_read", fpath_read, asroot ? UID_ROOT : UID_OWNER, GID_OTHER, 0400); fpath_read_initialized = 1; setup_file("priv_vfs_readwrite_fowner_setup: fpath_write", fpath_write, asroot ? UID_ROOT : UID_OWNER, GID_OTHER, 0200); fpath_write_initialized = 1; setup_file("priv_vfs_readwrite_fowner_setup: fpath_readwrite", fpath_readwrite, asroot ? UID_ROOT : UID_OWNER, GID_OTHER, 0600); fpath_readwrite_initialized = 1; return (0); } int priv_vfs_readwrite_fgroup_setup(int asroot, int injail, struct test *test) { setup_file("priv_vfs_readwrite_fgroup_setup: fpath_none", fpath_none, UID_OTHER, asroot ? GID_WHEEL : GID_OWNER, 0000); fpath_none_initialized = 1; setup_file("priv_vfs_readwrite_fgroup_setup: fpath_read", fpath_read, UID_OTHER, asroot ? GID_WHEEL : GID_OWNER, 0040); fpath_read_initialized = 1; setup_file("priv_vfs_readwrite_fgroup_setup: fpath_write", fpath_write, UID_OTHER, asroot ? GID_WHEEL : GID_OWNER, 0020); fpath_write_initialized = 1; setup_file("priv_vfs_readwrite_fgroup_setup: fpath_readwrite", fpath_readwrite, UID_OTHER, asroot ? GID_WHEEL : GID_OWNER, 0060); fpath_readwrite_initialized = 1; return (0); } int priv_vfs_readwrite_fother_setup(int asroot, int injail, struct test *test) { setup_file("priv_vfs_readwrite_fother_setup: fpath_none", fpath_none, UID_OTHER, GID_OTHER, 0000); fpath_none_initialized = 1; setup_file("priv_vfs_readwrite_fother_setup: fpath_read", fpath_read, UID_OTHER, GID_OTHER, 0004); fpath_read_initialized = 1; setup_file("priv_vfs_readwrite_fother_setup: fpath_write", fpath_write, UID_OTHER, GID_OTHER, 0002); fpath_write_initialized = 1; setup_file("priv_vfs_readwrite_fother_setup: fpath_readwrite", fpath_readwrite, UID_OTHER, GID_OTHER, 0006); fpath_readwrite_initialized = 1; return (0); } void priv_vfs_readwrite_fowner(int asroot, int injail, struct test *test) { try_io("priv_vfs_readwrite_fowner(none, O_RDONLY)", fpath_none, asroot, injail, O_RDONLY, asroot ? 0 : -1, EACCES); try_io("priv_vfs_readwrite_fowner(none, O_WRONLY)", fpath_none, asroot, injail, O_WRONLY, asroot ? 0 : -1, EACCES); try_io("priv_vfs_readwrite_fowner(none, O_RDWR)", fpath_none, asroot, injail, O_RDWR, asroot ? 0 : -1, EACCES); try_io("priv_vfs_readwrite_fowner(read, O_RDONLY)", fpath_read, asroot, injail, O_RDONLY, 0, 0); try_io("priv_vfs_readwrite_fowner(read, O_WRONLY)", fpath_read, asroot, injail, O_WRONLY, asroot ? 0 : -1, EACCES); try_io("priv_vfs_readwrite_fowner(read, O_RDWR)", fpath_read, asroot, injail, O_RDWR, asroot ? 0 : -1, EACCES); try_io("priv_vfs_readwrite_fowner(write, O_RDONLY)", fpath_write, asroot, injail, O_RDONLY, asroot ? 0 : -1, EACCES); try_io("priv_vfs_readwrite_fowner(write, O_WRONLY)", fpath_write, asroot, injail, O_WRONLY, 0, 0); try_io("priv_vfs_readwrite_fowner(write, O_RDWR)", fpath_write, asroot, injail, O_RDWR, asroot ? 0 : -1, EACCES); try_io("priv_vfs_readwrite_fowner(write, O_RDONLY)", fpath_readwrite, asroot, injail, O_RDONLY, 0, 0); try_io("priv_vfs_readwrite_fowner(write, O_WRONLY)", fpath_readwrite, asroot, injail, O_WRONLY, 0, 0); try_io("priv_vfs_readwrite_fowner(write, O_RDWR)", fpath_readwrite, asroot, injail, O_RDWR, 0, 0); } void priv_vfs_readwrite_fgroup(int asroot, int injail, struct test *test) { try_io("priv_vfs_readwrite_fgroup(none, O_RDONLY)", fpath_none, asroot, injail, O_RDONLY, asroot ? 0 : -1, EACCES); try_io("priv_vfs_readwrite_fgroup(none, O_WRONLY)", fpath_none, asroot, injail, O_WRONLY, asroot ? 0 : -1, EACCES); try_io("priv_vfs_readwrite_fgroup(none, O_RDWR)", fpath_none, asroot, injail, O_RDWR, asroot ? 0 : -1, EACCES); try_io("priv_vfs_readwrite_fgroup(read, O_RDONLY)", fpath_read, asroot, injail, O_RDONLY, 0, 0); try_io("priv_vfs_readwrite_fgroup(read, O_WRONLY)", fpath_read, asroot, injail, O_WRONLY, asroot ? 0 : -1, EACCES); try_io("priv_vfs_readwrite_fgroup(read, O_RDWR)", fpath_read, asroot, injail, O_RDWR, asroot ? 0 : -1, EACCES); try_io("priv_vfs_readwrite_fgroup(write, O_RDONLY)", fpath_write, asroot, injail, O_RDONLY, asroot ? 0 : -1, EACCES); try_io("priv_vfs_readwrite_fgroup(write, O_WRONLY)", fpath_write, asroot, injail, O_WRONLY, 0, 0); try_io("priv_vfs_readwrite_fgroup(write, O_RDWR)", fpath_write, asroot, injail, O_RDWR, asroot ? 0 : -1, EACCES); try_io("priv_vfs_readwrite_fgroup(write, O_RDONLY)", fpath_readwrite, asroot, injail, O_RDONLY, 0, 0); try_io("priv_vfs_readwrite_fgroup(write, O_WRONLY)", fpath_readwrite, asroot, injail, O_WRONLY, 0, 0); try_io("priv_vfs_readwrite_fgroup(write, O_RDWR)", fpath_readwrite, asroot, injail, O_RDWR, 0, 0); } void priv_vfs_readwrite_fother(int asroot, int injail, struct test *test) { try_io("priv_vfs_readwrite_fother(none, O_RDONLY)", fpath_none, asroot, injail, O_RDONLY, asroot ? 0 : -1, EACCES); try_io("priv_vfs_readwrite_fother(none, O_WRONLY)", fpath_none, asroot, injail, O_WRONLY, asroot ? 0 : -1, EACCES); try_io("priv_vfs_readwrite_fother(none, O_RDWR)", fpath_none, asroot, injail, O_RDWR, asroot ? 0 : -1, EACCES); try_io("priv_vfs_readwrite_fother(read, O_RDONLY)", fpath_read, asroot, injail, O_RDONLY, 0, 0); try_io("priv_vfs_readwrite_fother(read, O_WRONLY)", fpath_read, asroot, injail, O_WRONLY, asroot ? 0 : -1, EACCES); try_io("priv_vfs_readwrite_fother(read, O_RDWR)", fpath_read, asroot, injail, O_RDWR, asroot ? 0 : -1, EACCES); try_io("priv_vfs_readwrite_fother(write, O_RDONLY)", fpath_write, asroot, injail, O_RDONLY, asroot ? 0 : -1, EACCES); try_io("priv_vfs_readwrite_fother(write, O_WRONLY)", fpath_write, asroot, injail, O_WRONLY, 0, 0); try_io("priv_vfs_readwrite_fother(write, O_RDWR)", fpath_write, asroot, injail, O_RDWR, asroot ? 0 : -1, EACCES); try_io("priv_vfs_readwrite_fother(write, O_RDONLY)", fpath_readwrite, asroot, injail, O_RDONLY, 0, 0); try_io("priv_vfs_readwrite_fother(write, O_WRONLY)", fpath_readwrite, asroot, injail, O_WRONLY, 0, 0); try_io("priv_vfs_readwrite_fother(write, O_RDWR)", fpath_readwrite, asroot, injail, O_RDWR, 0, 0); } void priv_vfs_readwrite_cleanup(int asroot, int injail, struct test *test) { if (fpath_none_initialized) { (void)unlink(fpath_none); fpath_none_initialized = 0; } if (fpath_read_initialized) { (void)unlink(fpath_read); fpath_read_initialized = 0; } if (fpath_write_initialized) { (void)unlink(fpath_write); fpath_write_initialized = 0; } if (fpath_readwrite_initialized) { (void)unlink(fpath_readwrite); fpath_readwrite_initialized = 0; } }