HardenedBSD/tools/regression/environ/envtest.t
Brian Feldman 20f492f0eb Do not gratuitously fail *env(3) operations due to corrupt ('='-less)
**environ entries.  This puts non-getenv(3) operations in line with
getenv(3) in that bad environ entries do not cause all operations to
fail.  There is still some inconsistency in that getenv(3) in the
absence of any environment-modifying operation does not emit corrupt
environ entry warnings.

I also fixed another inconsistency in getenv(3) where updating the
global environ pointer would not be reflected in the return values.
It would have taken an intermediary setenv(3)/putenv(3)/unsetenv(3)
in order to see the change.
2009-12-01 05:04:31 +00:00

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#!/bin/sh
#
# Copyright (c) 2007-2008 Sean C. Farley <scf@FreeBSD.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,
# without modification, immediately at the beginning of the file.
# 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.
#
# 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.
#
# $FreeBSD$
# Initialization.
testndx=0
# Testing function.
run_test()
{
lasttest="${@}"
result=`./envctl -t "${@}"`
if [ ${?} -ne 0 ]
then
echo "Test program failed" >&2
exit 1
fi
return
}
# Perform test on results.
check_result()
{
testndx=$((testndx + 1))
echo "${result}" | sed 's/[ \t]*$//' | grep -q "^${@}$"
if [ ${?} -eq 0 ]
then
echo "ok ${testndx}"
else
echo "not ok ${testndx} - '${lasttest}'"
fi
return
}
#
# Regression tests
#
# How NULL will be returned by program.
readonly NULL="\*NULL\*"
# Setup environment for tests.
readonly BAR="bar"
readonly NEWBAR="newbar"
export FOO=${BAR}
# Gets from environ.
run_test -g FOO
check_result "${FOO}"
run_test -c 3 -g FOO
check_result "${NULL}"
run_test -g FOOBAR
check_result "${NULL}"
run_test -c 3 -g FOOBAR
check_result "${NULL}"
run_test -G
check_result "${NULL}"
# Clear environ.
run_test -c 1 -g FOO
check_result "${NULL}"
run_test -c 2 -g FOO
check_result "${NULL}"
run_test -c 3 -g FOO
check_result "${NULL}"
run_test -c 4 -g FOO
check_result "${NULL}"
# Clear environ and verify values do not return after a set.
run_test -c 1 -g FOO -s FOO2 ${NEWBAR} 1 -g FOO -g FOO2
check_result "${NULL} 0 0 ${NULL} ${NEWBAR}"
run_test -c 2 -g FOO -s FOO2 ${NEWBAR} 1 -g FOO -g FOO2
check_result "${NULL} 0 0 ${NULL} ${NEWBAR}"
run_test -c 3 -g FOO -s FOO2 ${NEWBAR} 1 -g FOO -g FOO2
check_result "${NULL} 0 0 ${NULL} ${NEWBAR}"
run_test -c 4 -g FOO -s FOO2 ${NEWBAR} 1 -g FOO -g FOO2
check_result "${NULL} 0 0 ${NULL} ${NEWBAR}"
# Sets.
run_test -s FOO ${NEWBAR} 0 -g FOO
check_result "0 0 ${BAR}"
run_test -s FOO ${NEWBAR} 1 -g FOO
check_result "0 0 ${NEWBAR}"
run_test -c 3 -s FOO ${NEWBAR} 0 -g FOO
check_result "0 0 ${NEWBAR}"
run_test -c 3 -s FOO ${NEWBAR} 1 -g FOO
check_result "0 0 ${NEWBAR}"
run_test -s "FOO=" ${NEWBAR} 1 -g FOO
check_result "-1 22 ${BAR}"
run_test -s "=FOO" ${NEWBAR} 1
check_result "-1 22"
run_test -s "=" ${NEWBAR} 1
check_result "-1 22"
run_test -s "" ${NEWBAR} 1
check_result "-1 22"
run_test -S ${NEWBAR} 1
check_result "-1 22"
run_test -s FOO ${NEWBAR} 1 -s FOO ${BAR} 1 -g FOO
check_result "0 0 0 0 ${BAR}"
run_test -c 3 -s FOO ${NEWBAR} 1 -s FOO ${BAR} 1 -g FOO
check_result "0 0 0 0 ${BAR}"
run_test -s FOO ${NEWBAR} 1 -s FOO ${BAR} 1 -s FOO ${NEWBAR} 1 -g FOO
check_result "0 0 0 0 0 0 ${NEWBAR}"
run_test -s FOO ${NEWBAR} 1 -s FOO ${BAR} 1 -s FOO ${NEWBAR} 1 -s FOO ${BAR} 1\
-g FOO
check_result "0 0 0 0 0 0 0 0 ${BAR}"
run_test -c 3 -s FOO ${BAR} 1 -g FOO -c 3 -s FOO ${NEWBAR} 1 -g FOO
check_result "0 0 ${BAR} 0 0 ${NEWBAR}"
# Unsets.
run_test -u FOO -g FOO
check_result "0 0 ${NULL}"
run_test -c 3 -u FOO -g FOO
check_result "0 0 ${NULL}"
run_test -U
check_result "-1 22"
run_test -u ""
check_result "-1 22"
run_test -u "=${BAR}"
check_result "-1 22"
run_test -c 3 -s FOO ${NEWBAR} 1 -g FOO -u FOO -g FOO
check_result "0 0 ${NEWBAR} 0 0 ${NULL}"
run_test -c 3 -u FOO -s FOO ${BAR} 1 -g FOO -u FOO -g FOO -c 3 -u FOO\
-s FOO ${NEWBAR} 1 -g FOO
check_result "0 0 0 0 ${BAR} 0 0 ${NULL} 0 0 0 0 ${NEWBAR}"
# Puts.
run_test -p FOO=${NEWBAR} -g FOO
check_result "0 0 ${NEWBAR}"
run_test -c 3 -p FOO=${NEWBAR} -g FOO
check_result "0 0 ${NEWBAR}"
run_test -p FOO -g FOO
check_result "-1 22 ${BAR}"
run_test -p FOO=${BAR} -p FOO=${NEWBAR} -g FOO
check_result "0 0 0 0 ${NEWBAR}"
run_test -p FOO=${BAR} -s FOO ${NEWBAR} 1 -g FOO
check_result "0 0 0 0 ${NEWBAR}"
run_test -s FOO ${NEWBAR} 1 -p FOO=${BAR} -g FOO
check_result "0 0 0 0 ${BAR}"
run_test -p FOO=${BAR} -u FOO
check_result "0 0 0 0"
run_test -p FOO=${BAR} -s FOO ${NEWBAR} 1 -u FOO
check_result "0 0 0 0 0 0"
run_test -s FOO ${NEWBAR} 1 -p FOO=${BAR} -u FOO
check_result "0 0 0 0 0 0"
run_test -s FOO ${NEWBAR} 1 -p FOO=${BAR} -c 3 -g FOO -p FOO=${NEWBAR} -g FOO
check_result "0 0 0 0 ${NULL} 0 0 ${NEWBAR}"
run_test -c 3 -p FOO=${BAR} -g FOO -c 3 -p FOO=${NEWBAR} -g FOO
check_result "0 0 ${BAR} 0 0 ${NEWBAR}"
# environ replacements.
run_test -r -g FOO -s FOO ${BAR} 1 -g FOO -u FOO -g FOO
check_result "${BAR} 0 0 ${BAR} 0 0 ${NULL}"
run_test -r -g FOO -u FOO -g FOO -s FOO ${BAR} 1 -g FOO
check_result "${BAR} 0 0 ${NULL} 0 0 ${BAR}"
# corruption (blanking) of environ members.
export BLANK_ME=
export AFTER_BLANK=blanked
run_test -b BLANK_ME -p MORE=vars -g FOO -g BLANK_ME -g AFTER_BLANK
check_result "0 0 ${FOO} ${NULL} ${AFTER_BLANK}"
run_test -b BLANK_ME -u FOO -g FOO -g AFTER_BLANK
check_result "0 0 ${NULL} ${AFTER_BLANK}"
export BLANK_ME2=
export AFTER_BLANKS=blankD
run_test -b BLANK_ME -b AFTER_BLANK -b BLANK_ME2 -g FOO -g AFTER_BLANKS
check_result "${FOO} ${AFTER_BLANKS}"