1# $NetBSD: t_redircloexec.sh,v 1.3 2016/05/15 15:44:43 kre Exp $ 2# 3# Copyright (c) 2016 The NetBSD Foundation, Inc. 4# All rights reserved. 5# 6# This code is derived from software contributed to The NetBSD Foundation 7# by Christos Zoulas. 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# 18# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28# POSSIBILITY OF SUCH DAMAGE. 29# 30# the implementation of "sh" to test 31: ${TEST_SH:="/bin/sh"} 32 33mkhelper() { 34 name=$1 35 fd=$2 36 shift 2 37 38 echo "$@" > ./"${name}1" 39 echo "echo ${name}2" ">&${fd}" > ./"${name}2" 40} 41 42runhelper() { 43 ${TEST_SH} "./${1}1" 44} 45 46cleanhelper() { 47 # not really needed, atf cleans up... 48 rm -f ./"${1}1" ./"${1}2" out 49} 50 51atf_test_case exec_redir_closed 52exec_redir_closed_head() { 53 atf_set "descr" "Tests that redirections created by exec are closed on exec" 54} 55exec_redir_closed_body() { 56 57 mkhelper exec 6 \ 58 "exec 6> out; echo exec1 >&6; ${TEST_SH} exec2; exec 6>&-" 59 60 atf_check -s exit:0 -o empty -e not-empty ${TEST_SH} ./exec1 61 atf_check -s not-exit:0 -o empty -e not-empty ${TEST_SH} -e ./exec1 62 63 mkhelper exec 9 \ 64 "exec 9> out; echo exec1 >&9; ${TEST_SH} exec2" 65 66 atf_check -s not-exit:0 -o empty -e not-empty ${TEST_SH} ./exec1 67 68 mkhelper exec 8 \ 69 "exec 8> out; printf OK; echo exec1 >&8;" \ 70 "printf OK; ${TEST_SH} exec2; printf ERR" 71 72 atf_check -s not-exit:0 -o match:OKOK -o not-match:ERR -e not-empty \ 73 ${TEST_SH} -e ./exec1 74 75 mkhelper exec 7 \ 76 "exec 7> out; printf OK; echo exec1 >&7;" \ 77 "printf OK; ${TEST_SH} exec2 || printf ERR" 78 79 atf_check -s exit:0 -o match:OKOKERR -e not-empty \ 80 ${TEST_SH} ./exec1 81 82 cleanhelper exec 83} 84 85atf_test_case exec_redir_open 86exec_redir_open_head() { 87 atf_set "descr" "Tests that redirections created by exec can remain open" 88} 89exec_redir_open_body() { 90 91 mkhelper exec 6 \ 92 "exec 6> out 6>&6; echo exec1 >&6; ${TEST_SH} exec2; exec 6>&-" 93 94 atf_check -s exit:0 -o empty -e empty ${TEST_SH} ./exec1 95 atf_check -s exit:0 -o empty -e empty ${TEST_SH} -e ./exec1 96 97 mkhelper exec 9 \ 98 "exec 9> out ; echo exec1 >&9; ${TEST_SH} exec2 9>&9" 99 100 atf_check -s exit:0 -o empty -e empty ${TEST_SH} ./exec1 101 102 mkhelper exec 8 \ 103 "exec 8> out; printf OK; exec 8>&8; echo exec1 >&8;" \ 104 "printf OK; ${TEST_SH} exec2; printf OK" 105 106 atf_check -s exit:0 -o match:OKOKOK -e empty \ 107 ${TEST_SH} -e ./exec1 108 109 mkhelper exec 7 \ 110 "exec 7> out; printf OK; echo exec1 >&7;" \ 111 "printf OK; ${TEST_SH} 7>&7 exec2; printf OK" 112 113 atf_check -s exit:0 -o match:OKOKOK -e empty \ 114 ${TEST_SH} -e ./exec1 115 116 cleanhelper exec 117} 118 119atf_test_case loop_redir_open 120loop_redir_open_head() { 121 atf_set "descr" "Tests that redirections in loops don't close on exec" 122} 123loop_redir_open_body() { 124 mkhelper for 3 "for x in x; do ${TEST_SH} ./for2; done 3>out" 125 atf_check -s exit:0 \ 126 -o empty \ 127 -e empty \ 128 ${TEST_SH} ./for1 129 cleanhelper for 130} 131 132atf_test_case compound_redir_open 133compound_redir_open_head() { 134 atf_set "descr" "Tests that redirections in compound statements don't close on exec" 135} 136compound_redir_open_body() { 137 mkhelper comp 3 "{ ${TEST_SH} ./comp2; } 3>out" 138 atf_check -s exit:0 \ 139 -o empty \ 140 -e empty \ 141 ${TEST_SH} ./comp1 142 cleanhelper comp 143} 144 145atf_test_case simple_redir_open 146simple_redir_open_head() { 147 atf_set "descr" "Tests that redirections in simple commands don't close on exec" 148} 149simple_redir_open_body() { 150 mkhelper simp 4 "${TEST_SH} ./simp2 4>out" 151 atf_check -s exit:0 \ 152 -o empty \ 153 -e empty \ 154 ${TEST_SH} ./simp1 155 cleanhelper simp 156} 157 158atf_test_case subshell_redir_open 159subshell_redir_open_head() { 160 atf_set "descr" "Tests that redirections on subshells don't close on exec" 161} 162subshell_redir_open_body() { 163 mkhelper comp 5 "( ${TEST_SH} ./comp2; ${TEST_SH} ./comp2 ) 5>out" 164 atf_check -s exit:0 \ 165 -o empty \ 166 -e empty \ 167 ${TEST_SH} ./comp1 168 cleanhelper comp 169} 170 171atf_init_test_cases() { 172 atf_add_test_case exec_redir_closed 173 atf_add_test_case exec_redir_open 174 atf_add_test_case loop_redir_open 175 atf_add_test_case compound_redir_open 176 atf_add_test_case simple_redir_open 177 atf_add_test_case subshell_redir_open 178} 179