/*
* Copyright (c) 2013-2015 Dmitry V. Levin <ldv@altlinux.org>
* Copyright (c) 2013-2018 The strace developers.
* 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 <stdio.h>
#include <unistd.h>
#ifdef HAVE_PRCTL
# include <sys/prctl.h>
#endif
int main(int argc, char **argv)
{
if (argc < 2)
return 99;
#ifdef HAVE_PRCTL
/* Turn off restrictions on tracing if applicable. If the command
* aren't available on this system, that's OK too. */
# ifndef PR_SET_PTRACER
# define PR_SET_PTRACER 0x59616d61
# endif
# ifndef PR_SET_PTRACER_ANY
# define PR_SET_PTRACER_ANY -1UL
# endif
(void) prctl(PR_SET_PTRACER, PR_SET_PTRACER_ANY, 0, 0, 0);
#endif
if (write(1, "\n", 1) != 1) {
perror("write");
return 99;
}
(void) execvp(argv[1], argv + 1);
perror(argv[1]);
return 99;
}