diff options
Diffstat (limited to 'tools/regression/priv/priv_vfs_chflags.c')
| -rw-r--r-- | tools/regression/priv/priv_vfs_chflags.c | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/tools/regression/priv/priv_vfs_chflags.c b/tools/regression/priv/priv_vfs_chflags.c new file mode 100644 index 000000000000..4a1366547abe --- /dev/null +++ b/tools/regression/priv/priv_vfs_chflags.c @@ -0,0 +1,252 @@ +/*- + * 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 privileges associated with setting file flags on files; whether or + * not it requires privilege depends on the flag, and some flags cannot be + * set in jail at all. + */ + +#include <sys/types.h> +#include <sys/stat.h> + +#include <err.h> +#include <errno.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include "main.h" + +static char fpath[1024]; +static int fpath_initialized; + +/* + * For chflags, we consider three dimmensions: process owner, file owner, and + * flag type. The calling framework handles variations in process owner; the + * rest are handled via multiple tests. One cleanup function is used. + */ +static u_long +getflags(char *fpathp) +{ + struct stat sb; + + if (stat(fpathp, &sb) < 0) + err(-1, "stat(%s)", fpathp); + + return (sb.st_flags); +} + +int +priv_vfs_chflags_froot_setup(int asroot, int injail, struct test *test) +{ + + setup_file("priv_vfs_chflags_froot_setup: fpath", fpath, UID_ROOT, + GID_WHEEL, 0600); + fpath_initialized = 1; + return (0); +} + +int +priv_vfs_chflags_fowner_setup(int asroot, int injail, + struct test *test) +{ + + setup_file("priv_vfs_chflags_fowner_setup: fpath", fpath, UID_OWNER, + GID_OWNER, 0600); + fpath_initialized = 1; + return (0); +} + +int +priv_vfs_chflags_fother_setup(int asroot, int injail, + struct test *test) +{ + + setup_file("priv_vfs_chflags_fowner_setup: fpath", fpath, UID_OTHER, + GID_OTHER, 0600); + fpath_initialized = 1; + return (0); +} + +void +priv_vfs_chflags_froot_uflags(int asroot, int injail, + struct test *test) +{ + u_long flags; + int error; + + flags = getflags(fpath); + flags |= UF_NODUMP; + error = chflags(fpath, flags); + if (asroot && injail) + expect("priv_vfs_chflags_froot_uflags(asroot, injail)", + error, 0, 0); + if (asroot && !injail) + expect("priv_vfs_chflags_froot_uflags(asroot, !injail)", + error, 0, 0); + if (!asroot && injail) + expect("priv_vfs_chflags_froot_uflags(!asroot, injail)", + error, -1, EPERM); + if (!asroot && !injail) + expect("priv_vfs_chflags_froot_uflags(!asroot, !injail)", + error, -1, EPERM); +} + +void +priv_vfs_chflags_fowner_uflags(int asroot, int injail, + struct test *test) +{ + u_long flags; + int error; + + flags = getflags(fpath); + flags |= UF_NODUMP; + error = chflags(fpath, flags); + if (asroot && injail) + expect("priv_vfs_chflags_fowner_uflags(asroot, injail)", + error, 0, 0); + if (asroot && !injail) + expect("priv_vfs_chflags_fowner_uflags(asroot, !injail)", + error, 0, 0); + if (!asroot && injail) + expect("priv_vfs_chflags_fowner_uflags(!asroot, injail)", + error, 0, 0); + if (!asroot && !injail) + expect("priv_vfs_chflags_fowner_uflags(!asroot, !injail)", + error, 0, 0); +} + +void +priv_vfs_chflags_fother_uflags(int asroot, int injail, + struct test *test) +{ + u_long flags; + int error; + + flags = getflags(fpath); + flags |= UF_NODUMP; + error = chflags(fpath, flags); + if (asroot && injail) + expect("priv_vfs_chflags_fother_uflags(asroot, injail)", + error, 0, 0); + if (asroot && !injail) + expect("priv_vfs_chflags_fother_uflags(asroot, !injail)", + error, 0, 0); + if (!asroot && injail) + expect("priv_vfs_chflags_fother_uflags(!asroot, injail)", + error, -1, EPERM); + if (!asroot && !injail) + expect("priv_vfs_chflags_fother_uflags(!asroot, !injail)", + error, -1, EPERM); +} + +void +priv_vfs_chflags_froot_sflags(int asroot, int injail, + struct test *test) +{ + u_long flags; + int error; + + flags = getflags(fpath); + flags |= SF_ARCHIVED; + error = chflags(fpath, flags); + if (asroot && injail) + expect("priv_vfs_chflags_froot_sflags(asroot, injail)", + error, -1, EPERM); + if (asroot && !injail) + expect("priv_vfs_chflags_froot_sflags(asroot, !injail)", + error, 0, 0); + if (!asroot && injail) + expect("priv_vfs_chflags_froot_sflags(!asroot, injail)", + error, -1, EPERM); + if (!asroot && !injail) + expect("priv_vfs_chflags_froot_sflags(!asroot, !injail)", + error, -1, EPERM); +} + +void +priv_vfs_chflags_fowner_sflags(int asroot, int injail, + struct test *test) +{ + u_long flags; + int error; + + flags = getflags(fpath); + flags |= SF_ARCHIVED; + error = chflags(fpath, flags); + if (asroot && injail) + expect("priv_vfs_chflags_fowner_sflags(asroot, injail)", + error, -1, EPERM); + if (asroot && !injail) + expect("priv_vfs_chflags_fowner_sflags(asroot, !injail)", + error, 0, 0); + if (!asroot && injail) + expect("priv_vfs_chflags_fowner_sflags(!asroot, injail)", + error, -1, EPERM); + if (!asroot && !injail) + expect("priv_vfs_chflags_fowner_sflags(!asroot, !injail)", + error, -1, EPERM); +} + +void +priv_vfs_chflags_fother_sflags(int asroot, int injail, + struct test *test) +{ + u_long flags; + int error; + + flags = getflags(fpath); + flags |= SF_ARCHIVED; + error = chflags(fpath, flags); + if (asroot && injail) + expect("priv_vfs_chflags_fother_sflags(asroot, injail)", + error, -1, EPERM); + if (asroot && !injail) + expect("priv_vfs_chflags_fother_sflags(asroot, !injail)", + error, 0, 0); + if (!asroot && injail) + expect("priv_vfs_chflags_fother_sflags(!asroot, injail)", + error, -1, EPERM); + if (!asroot && !injail) + expect("priv_vfs_chflags_fother_sflags(!asroot, !injail)", + error, -1, EPERM); +} + +void +priv_vfs_chflags_cleanup(int asroot, int injail, struct test *test) +{ + + if (fpath_initialized) { + (void)chflags(fpath, 0); + (void)unlink(fpath); + fpath_initialized = 0; + } +} |