Sat Jun 27 13:53:43 2020 UTC ()
Add also a test that writes random garbage to every ifconfig(8) option that
takes parameters. Based on quick testing, iwn(4) and wm(4) pass, but
urtwn(4) panics. Use at your own risk; in some cases, it may be possible
that horrors are written directly to the hardware.
(jruoho)
diff -r1.860 -r1.861 src/distrib/sets/lists/tests/mi
diff -r1.7 -r1.8 src/tests/sbin/ifconfig/Makefile
diff -r0 -r1.1 src/tests/sbin/ifconfig/t_random_garbage.sh
--- src/distrib/sets/lists/tests/mi 2020/06/27 10:15:50 1.860
+++ src/distrib/sets/lists/tests/mi 2020/06/27 13:53:43 1.861
@@ -1,4 +1,4 @@
-# $NetBSD: mi,v 1.860 2020/06/27 10:15:50 jruoho Exp $
+# $NetBSD: mi,v 1.861 2020/06/27 13:53:43 jruoho Exp $
#
# Note: don't delete entries from here - mark them as "obsolete" instead.
#
@@ -3999,6 +3999,7 @@
./usr/tests/sbin/ifconfig/t_bridge tests-sbin-tests compattestfile,atf
./usr/tests/sbin/ifconfig/t_capabilities tests-sbin-tests compattestfile,atf
./usr/tests/sbin/ifconfig/t_nonexistent tests-sbin-tests compattestfile,atf
+./usr/tests/sbin/ifconfig/t_random_garbage tests-sbin-tests compattestfile,atf
./usr/tests/sbin/ifconfig/t_repeated_scan tests-sbin-tests compattestfile,atf
./usr/tests/sbin/ifconfig/t_repeated_updown tests-sbin-tests compattestfile,atf
./usr/tests/sbin/ifconfig/t_tap tests-sbin-tests compattestfile,atf
--- src/tests/sbin/ifconfig/Makefile 2020/06/27 06:57:44 1.7
+++ src/tests/sbin/ifconfig/Makefile 2020/06/27 13:53:43 1.8
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.7 2020/06/27 06:57:44 jruoho Exp $
+# $NetBSD: Makefile,v 1.8 2020/06/27 13:53:43 jruoho Exp $
.include <bsd.own.mk>
@@ -7,6 +7,7 @@
TESTS_SH= t_bridge \
t_capabilities \
t_nonexistent \
+ t_random_garbage \
t_repeated_scan \
t_repeated_updown \
t_tap \
# $NetBSD: t_random_garbage.sh,v 1.1 2020/06/27 13:53:43 jruoho Exp $
#
# Copyright (c) 2020 The NetBSD Foundation, Inc.
# All rights reserved.
#
# This code is derived from software contributed to The NetBSD Foundation
# by Jukka Ruohonen.
#
# 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.
#
# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
# ``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 FOUNDATION OR CONTRIBUTORS
# 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.
#
getrint() {
echo $(od -An -N2 -i /dev/urandom | sed 's/ //')
}
getrstr() {
echo $(cat /dev/urandom | head -n 1 | base64)
}
write_garbage() {
val=$(getrint)
echo "Test $3: write to $1 opt $2 -> $val"
ifconfig $1 $opt $val >/dev/null 2>&1
val=$(getrstr)
echo "Test $3: write to $1 opt $2 -> $val"
ifconfig $1 $opt $val >/dev/null 2>&1
}
atf_test_case random_garbage
random_garbage_head() {
atf_set "require.user" "root"
atf_set "descr" "Test writing random garbage to ifconfig(8) options"
}
random_garbage_body() {
# Please note:
#
# 1. As some drivers seem to have input validation issues, it may
# be possible that horrors are written directly to the hardware.
#
# 2. Even if the test passes, there is no easy way to restore
# the existing state/configuration of any given interface.
#
# Take care.
#
atf_skip "The test is not safe"
opts="advbase advskew broadcast carpdev description \
media mediaopt -mediaopt mode instance metric mtu \
netmask state frag rts ssid nwid nwkey pass powersavesleep \
bssid chan tunnel session cookie pltime prefixlen linkstr \
vhid vlan vlanif -vlanif agrport -agrport vltime maxupd \
syncdev syncpeer"
for i in $(ifconfig -l); do
ifconfig $i up
for o in $opts; do
n=10
while [ $n -gt 0 ]; do
write_garbage $i $o $n
n=$(expr $n - 1)
done
done
done
atf_pass
}
atf_init_test_cases() {
atf_add_test_case random_garbage
}