1# $NetBSD: t_tcpip.sh,v 1.24 2024/04/28 07:27:41 rillig Exp $ 2# 3# Copyright (c) 2011 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 28rumpnetsrv="rump_server -lrumpnet -lrumpnet_net -lrumpnet_netinet" 29export RUMP_SERVER=unix://csock 30 31atf_test_case http cleanup 32http_head() 33{ 34 atf_set "descr" "Start hijacked httpd and get webpage from it" 35} 36 37http_body() 38{ 39 40 atf_check -s exit:0 ${rumpnetsrv} -lrumpnet_netinet6 ${RUMP_SERVER} 41 42 # start bozo in daemon mode 43 atf_check -s exit:0 env LD_PRELOAD=/usr/lib/librumphijack.so \ 44 /usr/libexec/httpd -P ./httpd.pid -b -s $(atf_get_srcdir) 45 46 atf_check -s exit:0 -o file:"$(atf_get_srcdir)/netstat.expout" \ 47 rump.netstat -a 48 49 # get the webpage 50 atf_check -s exit:0 env LD_PRELOAD=/usr/lib/librumphijack.so \ 51 $(atf_get_srcdir)/h_netget 127.0.0.1 80 webfile 52 53 # check that we got what we wanted 54 atf_check -o match:'HTTP/1.0 200 OK' cat webfile 55 atf_check -o match:'Content-Length: 95' cat webfile 56 blank_line_re="$(printf '^\r$')" # matches a line with only <CR><LF> 57 atf_check -o file:"$(atf_get_srcdir)/index.html" \ 58 sed -n "1,/${blank_line_re}/!p" webfile 59} 60 61http_cleanup() 62{ 63 if [ -f httpd.pid ]; then 64 kill -9 "$(cat httpd.pid)" 65 rm -f httpd.pid 66 fi 67 68 rump.halt 69} 70 71# 72# Starts a SSH server and sets up the client to access it. 73# Authentication is allowed and done using an RSA key exclusively, which 74# is generated on the fly as part of the test case. 75# XXX: Ideally, all the tests in this test program should be able to share 76# the generated key, because creating it can be a very slow process on some 77# machines. 78# 79# XXX2: copypasted from jmmv's sshd thingamob in the psshfs test. 80# ideally code (and keys, like jmmv notes above) could be shared 81# 82start_sshd() { 83 echo "Setting up SSH server configuration" 84 sed -e "s,@SRCDIR@,$(atf_get_srcdir),g" -e "s,@WORKDIR@,$(pwd),g" \ 85 $(atf_get_srcdir)/sshd_config.in >sshd_config || \ 86 atf_fail "Failed to create sshd_config" 87 atf_check -s ignore -o empty -e ignore \ 88 cp $(atf_get_srcdir)/ssh_host_key . 89 atf_check -s ignore -o empty -e ignore \ 90 cp $(atf_get_srcdir)/ssh_host_key.pub . 91 atf_check -s exit:0 -o empty -e empty chmod 400 ssh_host_key 92 atf_check -s exit:0 -o empty -e empty chmod 444 ssh_host_key.pub 93 94# Start in debugging mode so we don't have parent<->child privsep stuff 95 env LD_PRELOAD=/usr/lib/librumphijack.so \ 96 /usr/sbin/sshd -d -e -E out -f ./sshd_config & 97# while [ ! -f sshd.pid ]; do 98# sleep 0.01 99# done 100# echo "SSH server started (pid $(cat sshd.pid))" 101 sleep 1 102 103 echo "Setting up SSH client configuration" 104 atf_check -s exit:0 -o empty -e empty \ 105 ssh-keygen -f ssh_user_key -t rsa -b 1024 -N "" -q 106 atf_check -s exit:0 -o empty -e empty \ 107 cp ssh_user_key.pub authorized_keys 108 echo "127.0.0.1,localhost,::1 " \ 109 "$(cat $(atf_get_srcdir)/ssh_host_key.pub)" >known_hosts || \ 110 atf_fail "Failed to create known_hosts" 111 atf_check -s exit:0 -o empty -e empty chmod 600 authorized_keys 112 sed -e "s,@SRCDIR@,$(atf_get_srcdir),g" -e "s,@WORKDIR@,$(pwd),g" \ 113 $(atf_get_srcdir)/ssh_config.in >ssh_config || \ 114 atf_fail "Failed to create ssh_config" 115 116 echo "sshd running" 117} 118 119atf_test_case ssh cleanup 120ssh_head() 121{ 122 atf_set "descr" "Test that hijacked ssh/sshd works" 123} 124 125ssh_body() 126{ 127 atf_check -s exit:0 ${rumpnetsrv} ${RUMP_SERVER} 128 # make sure clients die after we nuke the server 129 export RUMPHIJACK_RETRYCONNECT='die' 130 131 start_sshd 132 133 # create some sort of directory for us to "ls" 134 mkdir testdir 135 cd testdir 136 jot 11 | xargs touch 137 jot 11 12 | xargs mkdir 138 cd .. 139 140 # ignore stderr for now, prints environment in debug mode 141 atf_check -s exit:0 -o save:ssh.out -e ignore \ 142 env LD_PRELOAD=/usr/lib/librumphijack.so \ 143 ssh -T -F ssh_config 127.0.0.1 env BLOCKSIZE=512 \ 144 ls -li $(pwd)/testdir 145 atf_check -s exit:0 -o file:ssh.out env BLOCKSIZE=512 \ 146 ls -li $(pwd)/testdir 147} 148 149ssh_cleanup() 150{ 151 rump.halt 152 # sshd dies due to RUMPHIJACK_RETRYCONNECT=1d6 153} 154 155test_nfs() 156{ 157 158 magicstr='wind in my hair' 159 # create ffs file system we'll be serving from 160 atf_check -s exit:0 -o ignore newfs -F -s 10000 ffs.img 161 162 # start nfs kernel server. this is a mouthful 163 export RUMP_SERVER=unix://serversock 164 atf_check -s exit:0 rump_server $* ${RUMP_SERVER} 165 166 atf_check -s exit:0 rump.ifconfig shmif0 create 167 atf_check -s exit:0 rump.ifconfig shmif0 linkstr shmbus 168 atf_check -s exit:0 rump.ifconfig shmif0 inet 10.1.1.1 169 170 export RUMPHIJACK_RETRYCONNECT=die 171 export LD_PRELOAD=/usr/lib/librumphijack.so 172 173 atf_check -s exit:0 mkdir -p /rump/var/run 174 atf_check -s exit:0 mkdir -p /rump/var/db 175 atf_check -s exit:0 touch /rump/var/db/mountdtab 176 atf_check -s exit:0 mkdir /rump/etc 177 atf_check -s exit:0 mkdir /rump/export 178 179 atf_check -s exit:0 -x \ 180 'echo "/export -noresvport -noresvmnt 10.1.1.100" | \ 181 dd of=/rump/etc/exports 2> /dev/null' 182 183 atf_check -s exit:0 rump.sysctl -q -w kern.module.autoload=1 184 185 atf_check -s exit:0 -e ignore env RUMPHIJACK='path=/rump,blanket=/dk' \ 186 mount_ffs /dk /rump/export 187 atf_check -s exit:0 -x "echo ${magicstr} > /rump/export/im_alive" 188 189 # start rpcbind. we want /var/run/rpcbind.sock 190 export RUMPHIJACK='blanket=/var/run,socket=all' 191 atf_check -s exit:0 rpcbind 192 193 # ok, then we want mountd in the similar fashion 194 export RUMPHIJACK='blanket=/var/run:/var/db:/export,socket=all,path=/rump,vfs=all' 195 atf_check -s exit:0 mountd /rump/etc/exports 196 197 # finally, le nfschuck 198 export RUMPHIJACK='blanket=/var/run,socket=all,vfs=all' 199 atf_check -s exit:0 nfsd 200 201 # 202 # now, time for the client server and associated madness. 203 # 204 205 export RUMP_SERVER=unix://clientsock 206 unset RUMPHIJACK 207 unset LD_PRELOAD 208 209 # at least the kernel server is easier 210 atf_check -s exit:0 rump_server -lrumpvfs -lrumpnet \ 211 -lrumpnet_net -lrumpnet_netinet -lrumpnet_shmif -lrumpfs_nfs\ 212 ${RUMP_SERVER} 213 214 atf_check -s exit:0 rump.ifconfig shmif0 create 215 atf_check -s exit:0 rump.ifconfig shmif0 linkstr shmbus 216 atf_check -s exit:0 rump.ifconfig shmif0 inet 10.1.1.100 217 218 export LD_PRELOAD=/usr/lib/librumphijack.so 219 220 atf_check -s exit:0 mkdir /rump/mnt 221 atf_check -s exit:0 mount_nfs 10.1.1.1:/export /rump/mnt 222 223 atf_check -s exit:0 -o inline:"${magicstr}\n" cat /rump/mnt/im_alive 224 atf_check -s exit:0 -o match:'.*im_alive$' ls -l /rump/mnt/im_alive 225} 226 227 228atf_test_case nfs cleanup 229nfs_head() 230{ 231 atf_set "descr" "Test hijacked nfsd and mount_nfs" 232 233 # XXX Can probably make this work as nonroot, but need to 234 # convince rpcbind running in the rump kernel server that it 235 # has uid 0. 236 atf_set "require.user" "root" 237} 238 239nfs_body() 240{ 241 test_nfs -lrumpvfs -lrumpdev -lrumpnet -lrumpnet_net \ 242 -lrumpnet_netinet -lrumpnet_local -lrumpnet_shmif \ 243 -lrumpdev_disk -lrumpfs_ffs -lrumpfs_nfs -lrumpfs_nfsserver \ 244 -d key=/dk,hostpath=ffs.img,size=host 245} 246 247nfs_cleanup() 248{ 249 RUMP_SERVER=unix://serversock rump.halt 2> /dev/null 250 RUMP_SERVER=unix://clientsock rump.halt 2> /dev/null 251 : 252} 253 254atf_test_case nfs_autoload cleanup 255nfs_autoload_head() 256{ 257 atf_set "descr" "Test hijacked nfsd with autoload from /stand" 258 259 # XXX Can probably make this work as nonroot, but need to 260 # convince rpcbind running in the rump kernel server that it 261 # has uid 0. 262 atf_set "require.user" "root" 263} 264 265nfs_autoload_body() 266{ 267 [ `uname -m` = "i386" ] || atf_skip "test currently valid only on i386" 268 atf_expect_fail "PR lib/54184" 269 test_nfs -lrumpvfs -lrumpdev -lrumpnet -lrumpnet_net \ 270 -lrumpnet_netinet -lrumpnet_local -lrumpnet_shmif \ 271 -lrumpdev_disk -d key=/dk,hostpath=ffs.img,size=host 272} 273 274nfs_autoload_cleanup() 275{ 276 nfs_cleanup 277} 278 279atf_init_test_cases() 280{ 281 atf_add_test_case http 282 atf_add_test_case ssh 283 atf_add_test_case nfs 284 atf_add_test_case nfs_autoload 285} 286