1#!/bin/sh
2#
3# Check that strace does not leak placeholder descriptors.
4#
5# Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
6# Copyright (c) 2016-2017 The strace developers.
7# All rights reserved.
8#
9# Redistribution and use in source and binary forms, with or without
10# modification, are permitted provided that the following conditions
11# are met:
12# 1. Redistributions of source code must retain the above copyright
13#    notice, this list of conditions and the following disclaimer.
14# 2. Redistributions in binary form must reproduce the above copyright
15#    notice, this list of conditions and the following disclaimer in the
16#    documentation and/or other materials provided with the distribution.
17# 3. The name of the author may not be used to endorse or promote products
18#    derived from this software without specific prior written permission.
19#
20# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30
31. "${srcdir=.}/init.sh"
32
33case "$STRACE" in
34	*valgrind\ *--suppressions=*)
35		skip_ 'incompatible with valgrind' ;;
36esac
37
38fd0="$LOG.fd0"
39fd1="$LOG.fd1"
40fd2="$LOG.fd2"
41
42check_prog touch
43
44check_fd()
45{
46	local a1 a2 a3
47	a1="$1"
48	a2="$2"
49	a3="$3"
50
51	rm -f "$LOG" "$fd0" "$fd1" "$fd2"
52	touch "$LOG" "$fd0" ||
53		framework_skip_ 'failed to create files'
54
55	set -- "\"../$NAME\"" "\"$1\"" "\"$2\"" "\"$3\""
56	eval "$@" "<${a1:-&-}" ">${a2:-&-}" "2>${a3:-&-}" ||
57			fail_ "$* failed with code $rc"
58
59	set -- "$STRACE" -o"$LOG" -echdir "$@"
60	eval "$@" "<${a1:-&-}" ">${a2:-&-}" "2>${a3:-&-}" ||
61		dump_log_and_fail_with "$* failed with code $?"
62}
63
64check_fd "$fd0" "$fd1" "$fd2"
65check_fd ''     "$fd1" "$fd2"
66check_fd "$fd0" ''     "$fd2"
67check_fd "$fd0" "$fd1" ''
68check_fd ''     ''     "$fd2"
69check_fd ''     "$fd1" ''
70check_fd "$fd0" ''     ''
71check_fd ''     ''     ''
72