tests/lib/librumphijack/t_tcpip.sh

   1 #       $NetBSD: t_tcpip.sh,v 1.15 2015/08/26 09:19:20 martin 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
  28 rumpnetsrv='rump_server -lrumpnet -lrumpnet_net -lrumpnet_netinet'
  29 export RUMP_SERVER=unix://csock
  30
  31 atf_test_case http cleanup
  32 http_head()
  33 {
  34         atf_set "descr" "Start hijacked httpd and get webpage from it"
  35 }
  36
  37 http_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,/${blank_line_re}/!p" webfile
  59 }
  60
  61 http_cleanup()
  62 {
  63         if [ -f httpd.pid ]; then
  64                 kill -9 "$(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 #
  82 start_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 eq:0 -o empty -e empty chmod 400 ssh_host_key
  92         atf_check -s eq:0 -o empty -e empty chmod 444 ssh_host_key.pub
  93
  94         env LD_PRELOAD=/usr/lib/librumphijack.so \
  95             /usr/sbin/sshd -e -f ./sshd_config
  96         while [ ! -f sshd.pid ]; do
  97                 sleep 0.01
  98         done
  99         echo "SSH server started (pid $(cat sshd.pid))"
 100
 101         echo "Setting up SSH client configuration"
 102         atf_check -s eq:0 -o empty -e empty \
 103             ssh-keygen -f ssh_user_key -t rsa -b 1024 -N "" -q
 104         atf_check -s eq:0 -o empty -e empty \
 105             cp ssh_user_key.pub authorized_keys
 106         echo "127.0.0.1,localhost,::1 " \
 107             "$(cat $(atf_get_srcdir)/ssh_host_key.pub)" >known_hosts || \
 108             atf_fail "Failed to create known_hosts"
 109         atf_check -s eq:0 -o empty -e empty chmod 600 authorized_keys
 110         sed -e "s,@SRCDIR@,$(atf_get_srcdir),g" -e "s,@WORKDIR@,$(pwd),g" \
 111             $(atf_get_srcdir)/ssh_config.in >ssh_config || \
 112             atf_fail "Failed to create ssh_config"
 113
 114         echo "sshd running"
 115 }
 116
 117 atf_test_case ssh cleanup
 118 ssh_head()
 119 {
 120         atf_set "descr" "Test that hijacked ssh/sshd works"
 121 }
 122
 123 ssh_body()
 124 {
 125         atf_expect_fail "PR lib/50174"
 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         atf_check -s exit:0 -o save:ssh.out                             \
 141             env LD_PRELOAD=/usr/lib/librumphijack.so                    \
 142             ssh -T -F ssh_config 127.0.0.1 env BLOCKSIZE=512            \
 143             ls -li $(pwd)/testdir
 144         atf_check -s exit:0 -o file:ssh.out env BLOCKSIZE=512           \
 145             ls -li $(pwd)/testdir
 146 }
 147
 148 ssh_cleanup()
 149 {
 150         rump.halt
 151         # sshd dies due to RUMPHIJACK_RETRYCONNECT=1d6
 152 }
 153
 154 test_nfs()
 155 {
 156
 157         magicstr='wind in my hair'
 158         # create ffs file system we'll be serving from
 159         atf_check -s exit:0 -o ignore newfs -F -s 10000 ffs.img
 160
 161         # start nfs kernel server.  this is a mouthful
 162         export RUMP_SERVER=unix://serversock
 163         atf_check -s exit:0 rump_server $* ${RUMP_SERVER}
 164
 165         atf_check -s exit:0 rump.ifconfig shmif0 create
 166         atf_check -s exit:0 rump.ifconfig shmif0 linkstr shmbus
 167         atf_check -s exit:0 rump.ifconfig shmif0 inet 10.1.1.1
 168
 169         export RUMPHIJACK_RETRYCONNECT=die
 170         export LD_PRELOAD=/usr/lib/librumphijack.so
 171
 172         atf_check -s exit:0 mkdir -p /rump/var/run
 173         atf_check -s exit:0 mkdir -p /rump/var/db
 174         atf_check -s exit:0 touch /rump/var/db/mountdtab
 175         atf_check -s exit:0 mkdir /rump/etc
 176         atf_check -s exit:0 mkdir /rump/export
 177
 178         atf_check -s exit:0 -x \
 179             'echo "/export -noresvport -noresvmnt 10.1.1.100" | \
 180                 dd of=/rump/etc/exports 2> /dev/null'
 181
 182         atf_check -s exit:0 -e ignore mount_ffs /dk /rump/export
 183         atf_check -s exit:0 -x "echo ${magicstr} > /rump/export/im_alive"
 184
 185         # start rpcbind.  we want /var/run/rpcbind.sock
 186         export RUMPHIJACK='blanket=/var/run,socket=all'
 187         atf_check -s exit:0 rpcbind
 188
 189         # ok, then we want mountd in the similar fashion
 190         export RUMPHIJACK='blanket=/var/run:/var/db:/export,socket=all,path=/rump,vfs=all'
 191         atf_check -s exit:0 mountd /rump/etc/exports
 192
 193         # finally, le nfschuck
 194         export RUMPHIJACK='blanket=/var/run,socket=all,vfs=all'
 195         atf_check -s exit:0 nfsd
 196
 197         #
 198         # now, time for the client server and associated madness.
 199         #
 200
 201         export RUMP_SERVER=unix://clientsock
 202         unset RUMPHIJACK
 203         unset LD_PRELOAD
 204
 205         # at least the kernel server is easier
 206         atf_check -s exit:0 rump_server -lrumpvfs -lrumpnet             \
 207             -lrumpnet_net -lrumpnet_netinet -lrumpnet_shmif -lrumpfs_nfs\
 208             ${RUMP_SERVER}
 209
 210         atf_check -s exit:0 rump.ifconfig shmif0 create
 211         atf_check -s exit:0 rump.ifconfig shmif0 linkstr shmbus
 212         atf_check -s exit:0 rump.ifconfig shmif0 inet 10.1.1.100
 213
 214         export LD_PRELOAD=/usr/lib/librumphijack.so
 215
 216         atf_check -s exit:0 mkdir /rump/mnt
 217         atf_check -s exit:0 mount_nfs 10.1.1.1:/export /rump/mnt
 218
 219         atf_check -s exit:0 -o inline:"${magicstr}\n" cat /rump/mnt/im_alive
 220         atf_check -s exit:0 -o match:'.*im_alive$' ls -l /rump/mnt/im_alive
 221 }
 222
 223
 224 atf_test_case nfs cleanup
 225 nfs_head()
 226 {
 227         atf_set "descr" "Test hijacked nfsd and mount_nfs"
 228 }
 229
 230 nfs_body()
 231 {
 232         test_nfs -lrumpvfs -lrumpdev -lrumpnet -lrumpnet_net            \
 233             -lrumpnet_netinet -lrumpnet_local -lrumpnet_shmif           \
 234             -lrumpdev_disk -lrumpfs_ffs -lrumpfs_nfs -lrumpfs_nfsserver \
 235             -d key=/dk,hostpath=ffs.img,size=host
 236 }
 237
 238 nfs_cleanup()
 239 {
 240         RUMP_SERVER=unix://serversock rump.halt 2> /dev/null
 241         RUMP_SERVER=unix://clientsock rump.halt 2> /dev/null
 242         :
 243 }
 244
 245 atf_test_case nfs_autoload cleanup
 246 nfs_autoload_head()
 247 {
 248         atf_set "descr" "Test hijacked nfsd with autoload from /stand"
 249 }
 250
 251 nfs_autoload_body()
 252 {
 253         [ `uname -m` = "i386" ] || atf_skip "test currently valid only on i386"
 254         test_nfs -lrumpvfs -lrumpdev -lrumpnet -lrumpnet_net            \
 255             -lrumpnet_netinet -lrumpnet_local -lrumpnet_shmif           \
 256             -lrumpdev_disk -d key=/dk,hostpath=ffs.img,size=host
 257 }
 258
 259 nfs_autoload_cleanup()
 260 {
 261         nfs_cleanup
 262 }
 263
 264 atf_init_test_cases()
 265 {
 266         atf_add_test_case http
 267         atf_add_test_case ssh
 268         atf_add_test_case nfs
 269         atf_add_test_case nfs_autoload
 270 }