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59 lines
2.1 KiB
59 lines
2.1 KiB
4 months ago
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/*
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* Copyright (c) 2013-2015 Dmitry V. Levin <ldv@altlinux.org>
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* Copyright (c) 2013-2018 The strace developers.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "tests.h"
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#include <stdio.h>
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#include <unistd.h>
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#ifdef HAVE_PRCTL
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# include <sys/prctl.h>
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#endif
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int main(int argc, char **argv)
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{
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if (argc < 2)
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return 99;
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#ifdef HAVE_PRCTL
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/* Turn off restrictions on tracing if applicable. If the command
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* aren't available on this system, that's OK too. */
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# ifndef PR_SET_PTRACER
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# define PR_SET_PTRACER 0x59616d61
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# endif
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# ifndef PR_SET_PTRACER_ANY
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# define PR_SET_PTRACER_ANY -1UL
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# endif
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(void) prctl(PR_SET_PTRACER, PR_SET_PTRACER_ANY, 0, 0, 0);
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#endif
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if (write(1, "\n", 1) != 1) {
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perror("write");
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return 99;
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}
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(void) execvp(argv[1], argv + 1);
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perror(argv[1]);
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return 99;
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}
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