strace/tests/redirect-fds.test
Dmitry V. Levin 7c6e8f1490 tests: check for leaks of placeholder descriptors
* tests/redirect-fds.c: New file.
* tests/redirect-fds.test: New test.
* tests/.gitignore: Add redirect-fds.
* tests/Makefile.am (check_PROGRAMS): Likewise.
(MISC_TESTS): Add redirect-fds.test.
2016-08-13 22:05:28 +00:00

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#!/bin/sh
#
# Check that strace does not leak placeholder descriptors.
#
# 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.
. "${srcdir=.}/init.sh"
fd0="$LOG.fd0"
fd1="$LOG.fd1"
fd2="$LOG.fd2"
check_prog touch
check_fd()
{
local a1 a2 a3
a1="$1"
a2="$2"
a3="$3"
touch "$LOG" "$fd0" ||
framework_skip_ 'failed to create files'
set -- "\"./$NAME\"" "\"$1\"" "\"$2\"" "\"$3\""
eval "$@" "<${a1:-&-}" ">${a2:-&-}" "2>${a3:-&-}" ||
fail_ "$* failed with code $rc"
set -- "$STRACE" -o"$LOG" -echdir "$@"
eval "$@" "<${a1:-&-}" ">${a2:-&-}" "2>${a3:-&-}" ||
dump_log_and_fail_with "$* failed with code $?"
rm -f "$LOG" "$fd0" "$fd1" "$fd2"
}
check_fd "$fd0" "$fd1" "$fd2"
check_fd '' "$fd1" "$fd2"
check_fd "$fd0" '' "$fd2"
check_fd "$fd0" "$fd1" ''
check_fd '' '' "$fd2"
check_fd '' "$fd1" ''
check_fd "$fd0" '' ''
check_fd '' '' ''