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t_unpriv.c revision 1.2 
      1 /*	$NetBSD: t_unpriv.c,v 1.2 2011/10/08 13:00:55 njoly Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2011 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #include <atf-c.h>
     30 #include <unistd.h>
     31 
     32 #include <rump/rump_syscalls.h>
     33 #include <rump/rump.h>
     34 
     35 #include "../common/h_fsmacros.h"
     36 #include "../../h_macros.h"
     37 
     38 #define USES_OWNER							 \
     39 	if (FSTYPE_SYSVBFS(tc) || FSTYPE_MSDOS(tc) || FSTYPE_RUMPFS(tc)) \
     40 	    atf_tc_skip("owner not supported by file system")
     41 
     42 static void
     43 owner(const atf_tc_t *tc, const char *mp)
     44 {
     45 
     46 	USES_OWNER;
     47 
     48 	FSTEST_ENTER();
     49 
     50 	rump_pub_lwproc_rfork(RUMP_RFCFDG);
     51 	if (rump_sys_setuid(1) == -1)
     52 		atf_tc_fail_errno("setuid");
     53         if (rump_sys_chown(".", 1, -1) != -1 || errno != EPERM)
     54 		atf_tc_fail_errno("chown");
     55         if (rump_sys_chmod(".", 0000) != -1 || errno != EPERM)
     56                 atf_tc_fail_errno("chmod");
     57 	rump_pub_lwproc_releaselwp();
     58 
     59 	if (rump_sys_chown(".", 1, -1) == -1)
     60 		atf_tc_fail_errno("chown");
     61 
     62 	rump_pub_lwproc_rfork(RUMP_RFCFDG);
     63 	if (rump_sys_setuid(1) == -1)
     64 		atf_tc_fail_errno("setuid");
     65         if (rump_sys_chown(".", 1, -1) == -1)
     66 		atf_tc_fail_errno("chown");
     67         if (rump_sys_chmod(".", 0000) == -1)
     68                 atf_tc_fail_errno("chmod");
     69 	rump_pub_lwproc_releaselwp();
     70 
     71 	FSTEST_EXIT();
     72 }
     73 
     74 
     75 ATF_TC_FSAPPLY(owner, "owner unprivileged checks");
     76 
     77 ATF_TP_ADD_TCS(tp)
     78 {
     79 
     80 	ATF_TP_FSAPPLY(owner);
     81 
     82 	return atf_no_error();
     83 }
     84