1# $NetBSD: t_psshfs.sh,v 1.8 2016/09/05 08:53:57 christos Exp $ 2# 3# Copyright (c) 2007, 2008 The NetBSD Foundation, Inc. 4# All rights reserved. 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions 8# are met: 9# 1. Redistributions of source code must retain the above copyright 10# notice, this list of conditions and the following disclaimer. 11# 2. Redistributions in binary form must reproduce the above copyright 12# notice, this list of conditions and the following disclaimer in the 13# documentation and/or other materials provided with the distribution. 14# 15# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 16# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 17# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 18# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 19# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25# POSSIBILITY OF SUCH DAMAGE. 26# 27 28# ------------------------------------------------------------------------- 29# Auxiliary functions. 30# ------------------------------------------------------------------------- 31 32# 33# Skips the calling test case if puffs is not supported in the kernel 34# or if the calling user does not have the necessary permissions to mount 35# file systems. 36# 37require_puffs() { 38 case "$($(atf_get_srcdir)/h_have_puffs)" in 39 eacces) 40 atf_skip "Cannot open /dev/puffs for read/write access" 41 ;; 42 enxio) 43 atf_skip "puffs support not built into the kernel" 44 ;; 45 failed) 46 atf_skip "Unknown error trying to access /dev/puffs" 47 ;; 48 yes) 49 ;; 50 *) 51 atf_fail "Unknown value returned by h_have_puffs" 52 ;; 53 esac 54 55 if [ $(id -u) -ne 0 -a $(sysctl -n vfs.generic.usermount) -eq 0 ] 56 then 57 atf_skip "Regular users cannot mount file systems" \ 58 "(vfs.generic.usermount is set to 0)" 59 fi 60} 61 62# 63# Starts a SSH server and sets up the client to access it. 64# Authentication is allowed and done using an RSA key exclusively, which 65# is generated on the fly as part of the test case. 66# XXX: Ideally, all the tests in this test program should be able to share 67# the generated key, because creating it can be a very slow process on some 68# machines. 69# 70start_ssh() { 71 echo "Setting up SSH server configuration" 72 sed -e "s,@SRCDIR@,$(atf_get_srcdir),g" -e "s,@WORKDIR@,$(pwd),g" \ 73 $(atf_get_srcdir)/sshd_config.in >sshd_config || \ 74 atf_fail "Failed to create sshd_config" 75 atf_check -s eq:0 -o empty -e empty cp /usr/libexec/sftp-server . 76 atf_check -s eq:0 -o empty -e empty \ 77 cp $(atf_get_srcdir)/ssh_host_key . 78 atf_check -s eq:0 -o empty -e empty \ 79 cp $(atf_get_srcdir)/ssh_host_key.pub . 80 atf_check -s eq:0 -o empty -e empty chmod 400 ssh_host_key 81 atf_check -s eq:0 -o empty -e empty chmod 444 ssh_host_key.pub 82 83 /usr/sbin/sshd -e -f ./sshd_config >sshd.log 2>&1 & 84 while [ ! -f sshd.pid ]; do 85 sleep 0.01 86 done 87 echo "SSH server started (pid $(cat sshd.pid))" 88 89 echo "Setting up SSH client configuration" 90 atf_check -s eq:0 -o empty -e empty \ 91 ssh-keygen -f ssh_user_key -t rsa -b 1024 -N "" -q 92 atf_check -s eq:0 -o empty -e empty \ 93 cp ssh_user_key.pub authorized_keys 94 echo "[localhost]:10000,[127.0.0.1]:10000,[::1]:10000" \ 95 "$(cat $(atf_get_srcdir)/ssh_host_key.pub)" >known_hosts || \ 96 atf_fail "Failed to create known_hosts" 97 atf_check -s eq:0 -o empty -e empty chmod 600 authorized_keys 98 sed -e "s,@SRCDIR@,$(atf_get_srcdir),g" -e "s,@WORKDIR@,$(pwd),g" \ 99 $(atf_get_srcdir)/ssh_config.in >ssh_config || \ 100 atf_fail "Failed to create ssh_config" 101} 102 103# 104# Stops the SSH server spawned by start_ssh and prints diagnosis data. 105# 106stop_ssh() { 107 if [ -f sshd.pid ]; then 108 echo "Stopping SSH server (pid $(cat sshd.pid))" 109 kill $(cat sshd.pid) 110 fi 111 if [ -f sshd.log ]; then 112 echo "Server output was:" 113 sed -e 's,^, ,' sshd.log 114 fi 115} 116 117# 118# Mounts the given source directory on the target directory using psshfs. 119# Both directories are supposed to live on the current directory. 120# 121mount_psshfs() { 122 atf_check -s eq:0 -o empty -e empty \ 123 mount -t psshfs -o -F=$(pwd)/ssh_config localhost:$(pwd)/${1} ${2} 124} 125 126# ------------------------------------------------------------------------- 127# The test cases. 128# ------------------------------------------------------------------------- 129 130atf_test_case inode_nos cleanup 131inode_nos_head() { 132 atf_set "descr" "Checks that different files get different inode" \ 133 "numbers" 134} 135inode_nos_body() { 136 require_puffs 137 138 start_ssh 139 140 mkdir root 141 mkdir root/dir 142 touch root/dir/file1 143 touch root/dir/file2 144 touch root/file3 145 touch root/file4 146 147 cat >ne_inodes.sh <<EOF 148#! /bin/sh 149# 150# Compares the inodes of the two given files and returns true if they are 151# different; false otherwise. 152# 153set -e 154ino1=\$(stat -f %i \${1}) 155ino2=\$(stat -f %i \${2}) 156test \${ino1} -ne \${ino2} 157EOF 158 chmod +x ne_inodes.sh 159 160 mkdir mnt 161 mount_psshfs root mnt 162 atf_check -s eq:0 -o empty -e empty \ 163 ./ne_inodes.sh root/dir root/dir/file1 164 atf_check -s eq:0 -o empty -e empty \ 165 ./ne_inodes.sh root/dir root/dir/file2 166 atf_check -s eq:0 -o empty -e empty \ 167 ./ne_inodes.sh root/dir/file1 root/dir/file2 168 atf_check -s eq:0 -o empty -e empty \ 169 ./ne_inodes.sh root/file3 root/file4 170} 171inode_nos_cleanup() { 172 umount mnt 173 stop_ssh 174} 175 176atf_test_case pwd cleanup 177pwd_head() { 178 atf_set "descr" "Checks that pwd works correctly" 179} 180pwd_body() { 181 require_puffs 182 183 start_ssh 184 185 mkdir root 186 mkdir root/dir 187 188 mkdir mnt 189 atf_check -s eq:0 -o save:stdout -e empty \ 190 -x 'echo $(cd mnt && /bin/pwd)/dir' 191 mv stdout expout 192 mount_psshfs root mnt 193 atf_check -s eq:0 -o file:expout -e empty \ 194 -x 'cd mnt/dir && ls .. >/dev/null && /bin/pwd' 195} 196pwd_cleanup() { 197 umount mnt 198 stop_ssh 199} 200 201atf_test_case ls cleanup 202ls_head() { 203 atf_set "descr" "Uses ls, attempts to exercise puffs_cc" 204} 205ls_body() { 206 require_puffs 207 208 start_ssh 209 210 mkdir mnt 211 mkdir root 212 mkdir root/dir 213 touch root/dir/file1 214 touch root/dir/file2 215 touch root/file3 216 touch root/file4 217 218 mount_psshfs root mnt 219 220 ls -l mnt & 221 222 IFS=' ' 223lsout='dir 224file3 225file4 226 227mnt/dir: 228file1 229file2 230' 231 atf_check -s exit:0 -o inline:"$lsout" ls -R mnt 232} 233ls_cleanup() { 234 umount mnt 235 stop_ssh 236} 237 238atf_test_case setattr_cache cleanup 239setattr_cache_head() { 240 atf_set "descr" "Checks that setattr caches" 241 # Don't wait for the eternity that atf usually waits. Twenty 242 # seconds should be good enough, except maybe on a VAX... 243 atf_set "timeout" 20 244} 245setattr_cache_body() { 246 require_puffs 247 start_ssh 248 atf_check -s exit:0 mkdir root 249 atf_check -s exit:0 mkdir mnt 250 mount_psshfs root mnt 251 atf_check -s exit:0 -x ': > mnt/loser' 252 atf_check -s exit:0 -o save:stat stat mnt/loser 253 # Oops -- this doesn't work. We need to stop the child of the 254 # sshd that is handling the sftp session. 255 atf_check -s exit:0 kill -STOP $(cat sshd.pid) 256 atf_check -s exit:0 -x ': > mnt/loser' 257 atf_check -s exit:0 -o file:stat stat mnt/loser 258} 259setattr_cache_cleanup() { 260 umount mnt 261 kill -CONT $(cat sshd.pid) 262 stop_ssh 263} 264 265atf_test_case read_empty_file cleanup 266read_empty_file_head() { 267 atf_set "descr" "Checks whether an empty file can be read" 268 # This test is supposed to make sure psshfs does not hang 269 # when reading from an empty file, hence the timeout. 270 atf_set "timeout" 8 271} 272read_empty_file_body() { 273 require_puffs 274 start_ssh 275 atf_check mkdir root mnt 276 atf_check -x ': > root/empty' 277 mount_psshfs root mnt 278 atf_check cat mnt/empty 279} 280read_empty_file_cleanup() { 281 umount mnt 282 stop_ssh 283} 284 285# ------------------------------------------------------------------------- 286# Initialization. 287# ------------------------------------------------------------------------- 288 289atf_init_test_cases() { 290 atf_add_test_case inode_nos 291 atf_add_test_case pwd 292 atf_add_test_case ls 293 #atf_add_test_case setattr_cache 294 atf_add_test_case read_empty_file 295} 296