You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
73 lines
2.5 KiB
73 lines
2.5 KiB
/* |
|
* Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org> |
|
* All rights reserved. |
|
* |
|
* 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. |
|
* 3. The name of the author may not be used to endorse or promote products |
|
* derived from this software without specific prior written permission. |
|
* |
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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. |
|
*/ |
|
|
|
#include "tests.h" |
|
#include <asm/unistd.h> |
|
#ifdef HAVE_PRCTL |
|
# include <sys/prctl.h> |
|
#endif |
|
|
|
#if defined HAVE_PRCTL && defined PR_SET_SECCOMP && defined __NR_exit |
|
|
|
# include <stdio.h> |
|
# include <unistd.h> |
|
|
|
int |
|
main(void) |
|
{ |
|
static const char text1[] = |
|
"prctl(PR_SET_SECCOMP, SECCOMP_MODE_STRICT) = 0\n"; |
|
static const char text2[] = "+++ exited with 0 +++\n"; |
|
|
|
int rc = prctl(PR_SET_SECCOMP, -1L, 1, 2, 3); |
|
printf("prctl(PR_SET_SECCOMP, %#lx /* SECCOMP_MODE_??? */, 0x1, 0x2, 0x3)" |
|
" = %d %s (%m)\n", -1L, rc, errno2name()); |
|
fflush(stdout); |
|
|
|
rc = prctl(PR_SET_SECCOMP, 1); |
|
if (rc) { |
|
printf("prctl(PR_SET_SECCOMP, SECCOMP_MODE_STRICT)" |
|
" = %d %s (%m)\n", rc, errno2name()); |
|
fflush(stdout); |
|
rc = 0; |
|
} else { |
|
/* |
|
* If kernel implementaton of SECCOMP_MODE_STRICT is buggy, |
|
* the following syscall will result to SIGKILL. |
|
*/ |
|
rc = write(1, text1, LENGTH_OF(text1)) != LENGTH_OF(text1); |
|
} |
|
|
|
rc += write(1, text2, LENGTH_OF(text2)) != LENGTH_OF(text2); |
|
return !!syscall(__NR_exit, rc); |
|
} |
|
|
|
#else |
|
|
|
SKIP_MAIN_UNDEFINED("HAVE_PRCTL && PR_SET_SECCOMP && __NR_exit") |
|
|
|
#endif
|
|
|