tests/sbin/sysctl/t_perm.sh

   1 # $NetBSD: t_perm.sh,v 1.6 2012/03/18 09:46:50 jruoho Exp $
   2 #
   3 # Copyright (c) 2011 The NetBSD Foundation, Inc.
   4 # All rights reserved.
   5 #
   6 # This code is derived from software contributed to The NetBSD Foundation
   7 # by Jukka Ruohonen.
   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 file="/tmp/d_sysctl.out"
  31
  32 clean() {
  33
  34         if [ -f $file ]; then
  35                 rm $file
  36         fi
  37 }
  38
  39 sysctl_write() {
  40
  41         deadbeef="3735928559"
  42
  43         sysctl $1 | cut -d= -f1 > $file
  44
  45         if [ ! -f $file ]; then
  46                 atf_fail "sysctl failed"
  47         fi
  48
  49         while read line; do
  50
  51                 node=$(echo $line)
  52
  53                 case $node in
  54
  55                 "$1."*)
  56                         atf_check -s not-exit:0 -e ignore \
  57                                 -x sysctl -w $node=$deadbeef
  58                         ;;
  59                 esac
  60
  61         done < $file
  62
  63         # A functional verification that $deadbeef
  64         # was not actually written to the node.
  65         #
  66         if [ ! -z $(sysctl $1 | grep $deadbeef) ]; then
  67                 atf_fail "value was written"
  68         fi
  69 }
  70
  71 # ddb.
  72 #
  73 atf_test_case sysctl_ddb cleanup
  74 sysctl_ddb_head() {
  75         atf_set "require.user" "unprivileged"
  76         atf_set "descr" "Test writing to 'ddb' sysctl node as an user"
  77 }
  78
  79 sysctl_ddb_body() {
  80         sysctl_write "ddb"
  81 }
  82
  83 sysctl_ddb_cleanup() {
  84         clean
  85 }
  86
  87 # hw.
  88 #
  89 atf_test_case sysctl_hw cleanup
  90 sysctl_hw_head() {
  91         atf_set "require.user" "unprivileged"
  92         atf_set "descr" "Test writing to 'hw' sysctl node as an user"
  93 }
  94
  95 sysctl_hw_body() {
  96         sysctl_write "hw"
  97 }
  98
  99 sysctl_hw_cleanup() {
 100         clean
 101 }
 102
 103 # kern.
 104 #
 105 atf_test_case sysctl_kern cleanup
 106 sysctl_kern_head() {
 107         atf_set "require.user" "unprivileged"
 108         atf_set "descr" "Test writing to 'kern' " \
 109                 "sysctl node as an user (PR kern/44946)"
 110 }
 111
 112 sysctl_kern_body() {
 113         sysctl_write "kern"
 114 }
 115
 116 sysctl_kern_cleanup() {
 117         clean
 118 }
 119
 120 # machdep.
 121 #
 122 atf_test_case sysctl_machdep cleanup
 123 sysctl_machdep_head() {
 124         atf_set "require.user" "unprivileged"
 125         atf_set "descr" "Test writing to 'machdep' sysctl node as an user"
 126 }
 127
 128 sysctl_machdep_body() {
 129         sysctl_write "machdep"
 130 }
 131
 132 sysctl_machdep_cleanup() {
 133         clean
 134 }
 135
 136 # net.
 137 #
 138 atf_test_case sysctl_net cleanup
 139 sysctl_net_head() {
 140         atf_set "require.user" "unprivileged"
 141         atf_set "descr" "Test writing to 'net' sysctl node as an user"
 142 }
 143
 144 sysctl_net_body() {
 145         sysctl_write "net"
 146 }
 147
 148 sysctl_net_cleanup() {
 149         clean
 150 }
 151
 152 # security.
 153 #
 154 atf_test_case sysctl_security cleanup
 155 sysctl_security_head() {
 156         atf_set "require.user" "unprivileged"
 157         atf_set "descr" "Test writing to 'security' sysctl node as an user"
 158 }
 159
 160 sysctl_security_body() {
 161         sysctl_write "security"
 162 }
 163
 164 sysctl_security_cleanup() {
 165         clean
 166 }
 167
 168 # vfs.
 169 #
 170 atf_test_case sysctl_vfs cleanup
 171 sysctl_vfs_head() {
 172         atf_set "require.user" "unprivileged"
 173         atf_set "descr" "Test writing to 'vfs' sysctl node as an user"
 174 }
 175
 176 sysctl_vfs_body() {
 177         sysctl_write "vfs"
 178 }
 179
 180 sysctl_vfs_cleanup() {
 181         clean
 182 }
 183
 184 # vm.
 185 #
 186 atf_test_case sysctl_vm cleanup
 187 sysctl_vm_head() {
 188         atf_set "require.user" "unprivileged"
 189         atf_set "descr" "Test writing to 'vm' sysctl node as an user"
 190 }
 191
 192 sysctl_vm_body() {
 193         sysctl_write "vm"
 194 }
 195
 196 sysctl_vm_cleanup() {
 197         clean
 198 }
 199
 200 atf_init_test_cases() {
 201         atf_add_test_case sysctl_ddb
 202         atf_add_test_case sysctl_hw
 203         atf_add_test_case sysctl_kern
 204         atf_add_test_case sysctl_machdep
 205         atf_add_test_case sysctl_net
 206         atf_add_test_case sysctl_security
 207         atf_add_test_case sysctl_vfs
 208         atf_add_test_case sysctl_vm
 209 }