Home | History | Annotate | Line # | Download | only in sh
t_redircloexec.sh revision 1.1 
      1 # $NetBSD: t_redircloexec.sh,v 1.1 2016/03/13 18:55:12 christos 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 
     33 mkhelper() {
     34 	local name="$1"
     35 	local fd="$2"
     36 	shift 2
     37 	(echo "#!${TEST_SH}"; echo "$@") > ./"$name"1
     38 	(echo "#!${TEST_SH}"; echo "echo $name"2 ">&$fd") > ./"$name"2
     39 	chmod +x ./"$name"1 ./"$name"2
     40 }
     41 
     42 runhelper() {
     43 	local name="$1"
     44 	shift
     45 
     46 	"./$name"1
     47 }
     48 
     49 cleanhelper() {
     50 	local name="$1"
     51 	shift
     52 	rm -f ./"$name"1 ./"$name"2
     53 }
     54 
     55 atf_test_case exec_redir_closed
     56 exec_redir_closed_head() {
     57 	atf_set "descr" "Tests that redirections created by exec are closed on exec"
     58 }
     59 exec_redir_closed_body() {
     60 	mkhelper exec 6 "exec 6> out; echo exec1 >&6; ./exec2; exec 6>&-"
     61 	atf_check -s exit:0 \
     62 		-o empty \
     63 		-e match:"./exec2: 6: Bad file descriptor" \
     64 		./exec1
     65 	cleanhelper exec
     66 }
     67 
     68 atf_test_case loop_redir_open
     69 loop_redir_open_head() {
     70 	atf_set "descr" "Tests that redirections in loops don't close on exec"
     71 }
     72 loop_redir_open_body() {
     73 	mkhelper for 3 "for x in x; do ./for2; done 3>out"
     74 	atf_check -s exit:0 \
     75 		-o empty \
     76 		-e empty \
     77 		./for1
     78 	cleanhelper for
     79 }
     80 
     81 atf_test_case compound_redir_open
     82 compound_redir_open_head() {
     83 	atf_set "descr" "Tests that redirections in compound statements don't close on exec"
     84 }
     85 compound_redir_open_body() {
     86 	mkhelper comp 3 "{ ./comp2; } 3>out"
     87 	atf_check -s exit:0 \
     88 		-o empty \
     89 		-e empty \
     90 		./comp1
     91 	cleanhelper comp
     92 }
     93 
     94 atf_test_case simple_redir_open
     95 simple_redir_open_head() {
     96 	atf_set "descr" "Tests that redirections in simple commands don't close on exec"
     97 }
     98 simple_redir_open_body() {
     99 	mkhelper simp 6 "./simp2 6>out"
    100 	atf_check -s exit:0 \
    101 		-o empty \
    102 		-e empty \
    103 		./simp1
    104 	cleanhelper simp
    105 }
    106 
    107 atf_init_test_cases() {
    108 	atf_add_test_case exec_redir_closed
    109 	atf_add_test_case loop_redir_open
    110 	atf_add_test_case compound_redir_open
    111 	atf_add_test_case simple_redir_open
    112 }
    113