1#       $NetBSD: t_tcpip.sh,v 1.18 2016/08/13 11:22:11 christos 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
28rumpnetlibs="-lrumpnet -lrumpnet_net -lrumpnet_netinet6 -lrumpnet_netinet"
29rumpnetsrv="rump_server $rumpnetlibs -lrumpdev"
30export RUMP_SERVER=unix://csock
31
32atf_test_case http cleanup
33http_head()
34{
35        atf_set "descr" "Start hijacked httpd and get webpage from it"
36}
37
38http_body()
39{
40
41	atf_check -s exit:0 ${rumpnetsrv} ${RUMP_SERVER}
42
43	# start bozo in daemon mode
44	atf_check -s exit:0 env LD_PRELOAD=/usr/lib/librumphijack.so \
45	    /usr/libexec/httpd -P ./httpd.pid -b -s $(atf_get_srcdir)
46
47	atf_check -s exit:0 -o file:"$(atf_get_srcdir)/netstat.expout" \
48	    rump.netstat -a
49
50	# get the webpage
51	atf_check -s exit:0 env LD_PRELOAD=/usr/lib/librumphijack.so 	\
52	    $(atf_get_srcdir)/h_netget 127.0.0.1 80 webfile
53
54	# check that we got what we wanted
55	atf_check -o match:'HTTP/1.0 200 OK' cat webfile
56	atf_check -o match:'Content-Length: 95' cat webfile
57	blank_line_re="$(printf '^\r$')" # matches a line with only <CR><LF>
58	atf_check -o file:"$(atf_get_srcdir)/index.html" \
59	    sed -n "1,/${blank_line_re}/!p" webfile
60}
61
62http_cleanup()
63{
64	if [ -f httpd.pid ]; then
65		kill -9 "$(cat httpd.pid)"
66		rm -f httpd.pid
67	fi
68
69	rump.halt
70}
71
72#
73# Starts a SSH server and sets up the client to access it.
74# Authentication is allowed and done using an RSA key exclusively, which
75# is generated on the fly as part of the test case.
76# XXX: Ideally, all the tests in this test program should be able to share
77# the generated key, because creating it can be a very slow process on some
78# machines.
79#
80# XXX2: copypasted from jmmv's sshd thingamob in the psshfs test.
81# ideally code (and keys, like jmmv notes above) could be shared
82#
83start_sshd() {
84	echo "Setting up SSH server configuration"
85	sed -e "s,@SRCDIR@,$(atf_get_srcdir),g" -e "s,@WORKDIR@,$(pwd),g" \
86	    $(atf_get_srcdir)/sshd_config.in >sshd_config || \
87	    atf_fail "Failed to create sshd_config"
88	atf_check -s ignore -o empty -e ignore \
89	    cp $(atf_get_srcdir)/ssh_host_key .
90	atf_check -s ignore -o empty -e ignore \
91	    cp $(atf_get_srcdir)/ssh_host_key.pub .
92	atf_check -s eq:0 -o empty -e empty chmod 400 ssh_host_key
93	atf_check -s eq:0 -o empty -e empty chmod 444 ssh_host_key.pub
94
95        env LD_PRELOAD=/usr/lib/librumphijack.so \
96	    /usr/sbin/sshd -e -f ./sshd_config
97	while [ ! -f sshd.pid ]; do
98		sleep 0.01
99	done
100	echo "SSH server started (pid $(cat sshd.pid))"
101
102	echo "Setting up SSH client configuration"
103	atf_check -s eq:0 -o empty -e empty \
104	    ssh-keygen -f ssh_user_key -t rsa -b 1024 -N "" -q
105	atf_check -s eq:0 -o empty -e empty \
106	    cp ssh_user_key.pub authorized_keys
107	echo "127.0.0.1,localhost,::1 " \
108	    "$(cat $(atf_get_srcdir)/ssh_host_key.pub)" >known_hosts || \
109	    atf_fail "Failed to create known_hosts"
110	atf_check -s eq:0 -o empty -e empty chmod 600 authorized_keys
111	sed -e "s,@SRCDIR@,$(atf_get_srcdir),g" -e "s,@WORKDIR@,$(pwd),g" \
112	    $(atf_get_srcdir)/ssh_config.in >ssh_config || \
113	    atf_fail "Failed to create ssh_config"
114	
115	echo "sshd running"
116}
117
118atf_test_case ssh cleanup
119ssh_head()
120{
121        atf_set "descr" "Test that hijacked ssh/sshd works"
122}
123
124ssh_body()
125{
126	atf_expect_fail "PR lib/50174"
127
128	atf_check -s exit:0 ${rumpnetsrv} ${RUMP_SERVER}
129	# make sure clients die after we nuke the server
130	export RUMPHIJACK_RETRYCONNECT='die'
131
132	start_sshd
133
134	# create some sort of directory for us to "ls"
135	mkdir testdir
136	cd testdir
137	jot 11 | xargs touch
138	jot 11 12 | xargs mkdir
139	cd ..
140
141	atf_check -s exit:0 -o save:ssh.out				\
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 mount_ffs /dk /rump/export
186	atf_check -s exit:0 -x "echo ${magicstr} > /rump/export/im_alive"
187
188	# start rpcbind.  we want /var/run/rpcbind.sock
189	export RUMPHIJACK='blanket=/var/run,socket=all' 
190	atf_check -s exit:0 rpcbind
191
192	# ok, then we want mountd in the similar fashion
193	export RUMPHIJACK='blanket=/var/run:/var/db:/export,socket=all,path=/rump,vfs=all'
194	atf_check -s exit:0 mountd /rump/etc/exports
195
196	# finally, le nfschuck
197	export RUMPHIJACK='blanket=/var/run,socket=all,vfs=all'
198	atf_check -s exit:0 nfsd
199
200	#
201	# now, time for the client server and associated madness.
202	#
203
204	export RUMP_SERVER=unix://clientsock
205	unset RUMPHIJACK
206	unset LD_PRELOAD
207
208	# at least the kernel server is easier
209	atf_check -s exit:0 rump_server -lrumpvfs -lrumpnet -lrumpdev	\
210	    -lrumpnet_net -lrumpnet_netinet -lrumpnet_shmif -lrumpfs_nfs\
211	    ${RUMP_SERVER}
212
213	atf_check -s exit:0 rump.ifconfig shmif0 create
214	atf_check -s exit:0 rump.ifconfig shmif0 linkstr shmbus
215	atf_check -s exit:0 rump.ifconfig shmif0 inet 10.1.1.100
216
217	export LD_PRELOAD=/usr/lib/librumphijack.so
218
219	atf_check -s exit:0 mkdir /rump/mnt
220	atf_check -s exit:0 mount_nfs 10.1.1.1:/export /rump/mnt
221
222	atf_check -s exit:0 -o inline:"${magicstr}\n" cat /rump/mnt/im_alive
223	atf_check -s exit:0 -o match:'.*im_alive$' ls -l /rump/mnt/im_alive
224}
225
226
227atf_test_case nfs cleanup
228nfs_head()
229{
230        atf_set "descr" "Test hijacked nfsd and mount_nfs"
231}
232
233nfs_body()
234{
235	test_nfs -lrumpvfs -lrumpdev -lrumpnet -lrumpnet_net		\
236	    -lrumpnet_netinet -lrumpnet_local -lrumpnet_shmif -lrumpdev	\
237	    -lrumpdev_disk -lrumpfs_ffs -lrumpfs_nfs -lrumpfs_nfsserver	\
238	    -d key=/dk,hostpath=ffs.img,size=host
239}
240
241nfs_cleanup()
242{
243	RUMP_SERVER=unix://serversock rump.halt 2> /dev/null
244	RUMP_SERVER=unix://clientsock rump.halt 2> /dev/null
245	:
246}
247
248atf_test_case nfs_autoload cleanup
249nfs_autoload_head()
250{
251        atf_set "descr" "Test hijacked nfsd with autoload from /stand"
252}
253
254nfs_autoload_body()
255{
256	[ `uname -m` = "i386" ] || atf_skip "test currently valid only on i386"
257	test_nfs -lrumpvfs -lrumpdev -lrumpnet -lrumpnet_net		\
258	    -lrumpnet_netinet -lrumpnet_local -lrumpnet_shmif -lrumpdev	\
259	    -lrumpdev_disk -d key=/dk,hostpath=ffs.img,size=host
260}
261
262nfs_autoload_cleanup()
263{
264	nfs_cleanup
265}
266
267atf_init_test_cases()
268{
269	atf_add_test_case http
270	atf_add_test_case ssh
271	atf_add_test_case nfs
272	atf_add_test_case nfs_autoload
273}
274