xref: /netbsd-src/tests/net/net_common.sh (revision 2e2322c9c07009df921d11b1268f8506affbb8ba) 
1#	$NetBSD: net_common.sh,v 1.9 2016/11/28 07:29:56 ozaki-r Exp $
2#
3# Copyright (c) 2016 Internet Initiative Japan 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# Common utility functions for tests/net
30#
31
32HIJACKING="env LD_PRELOAD=/usr/lib/librumphijack.so RUMPHIJACK=sysctl=yes"
33
34extract_new_packets()
35{
36	local bus=$1
37	local old=./.__old
38
39	if [ ! -f $old ]; then
40		old=/dev/null
41	fi
42
43	shmif_dumpbus -p - $bus 2>/dev/null| \
44	    tcpdump -n -e -r - 2>/dev/null > ./.__new
45	diff -u $old ./.__new |grep '^+' |cut -d '+' -f 2 > ./.__diff
46	mv -f ./.__new ./.__old
47	cat ./.__diff
48}
49
50check_route()
51{
52	local target=$1
53	local gw=$2
54	local flags=${3:-\.\+}
55	local ifname=${4:-\.\+}
56
57	target=$(echo $target |sed 's/\./\\./g')
58	if [ "$gw" = "" ]; then
59		gw=".+"
60	else
61		gw=$(echo $gw |sed 's/\./\\./g')
62	fi
63
64	atf_check -s exit:0 -e ignore \
65	    -o match:"^$target +$gw +$flags +- +- +.+ +$ifname" \
66	    rump.netstat -rn
67}
68
69check_route_flags()
70{
71
72	check_route "$1" "" "$2" ""
73}
74
75check_route_gw()
76{
77
78	check_route "$1" "$2" "" ""
79}
80
81check_route_no_entry()
82{
83	local target=$(echo $1 |sed 's/\./\\./g')
84
85	atf_check -s exit:0 -e ignore -o not-match:"^$target" \
86	    rump.netstat -rn
87}
88
89get_linklocal_addr()
90{
91
92	export RUMP_SERVER=${1}
93	rump.ifconfig ${2} inet6 |
94	    awk "/fe80/ {sub(/%$2/, \"\"); sub(/\\/[0-9]*/, \"\"); print \$2;}"
95	unset RUMP_SERVER
96
97	return 0
98}
99
100get_macaddr()
101{
102
103	env RUMP_SERVER=${1} \
104	    rump.ifconfig ${2} |awk '/address/ {print $2;}'
105}
106
107HTTPD_PID=./.__httpd.pid
108start_httpd()
109{
110	local sock=$1
111	local ip=$2
112	local backup=$RUMP_SERVER
113
114	export RUMP_SERVER=$sock
115
116	# start httpd in daemon mode
117	atf_check -s exit:0 env LD_PRELOAD=/usr/lib/librumphijack.so \
118	    /usr/libexec/httpd -P $HTTPD_PID -i $ip -b -s $(pwd)
119
120	export RUMP_SERVER=$backup
121
122	sleep 3
123}
124
125stop_httpd()
126{
127
128	if [ -f $HTTPD_PID ]; then
129		kill -9 $(cat $HTTPD_PID)
130		rm -f $HTTPD_PID
131		sleep 1
132	fi
133}
134
135BASIC_LIBS="-lrumpnet -lrumpnet_net -lrumpnet_netinet \
136    -lrumpnet_shmif -lrumpdev"
137FS_LIBS="$BASIC_LIBS -lrumpvfs -lrumpfs_ffs"
138
139# We cannot keep variables between test phases, so need to store in files
140_rump_server_socks=./.__socks
141_rump_server_ifaces=./.__ifaces
142_rump_server_buses=./.__buses
143
144_rump_server_start_common()
145{
146	local sock=$1
147	local libs=
148
149	shift 1
150	libs="$*"
151
152	atf_check -s exit:0 rump_server $libs $sock
153
154	echo $sock >> $_rump_server_socks
155	$DEBUG && cat $_rump_server_socks
156}
157
158rump_server_start()
159{
160	local sock=$1
161	local _libs=
162	local libs="$BASIC_LIBS"
163
164	shift 1
165	_libs="$*"
166
167	for lib in $_libs; do
168		libs="$libs -lrumpnet_$lib"
169	done
170
171	_rump_server_start_common $sock $libs
172
173	return 0
174}
175
176rump_server_fs_start()
177{
178	local sock=$1
179	local _libs=
180	local libs="$FS_LIBS"
181
182	shift 1
183	_libs="$*"
184
185	for lib in $_libs; do
186		libs="$libs -lrumpnet_$lib"
187	done
188
189	_rump_server_start_common $sock $libs
190
191	return 0
192}
193
194rump_server_add_iface()
195{
196	local sock=$1
197	local ifname=$2
198	local bus=$3
199	local backup=$RUMP_SERVER
200
201	export RUMP_SERVER=$sock
202	atf_check -s exit:0 rump.ifconfig $ifname create
203	atf_check -s exit:0 rump.ifconfig $ifname linkstr $bus
204	export RUMP_SERVER=$backup
205
206	echo $sock $ifname >> $_rump_server_ifaces
207	$DEBUG && cat $_rump_server_ifaces
208
209	echo $bus >> $_rump_server_buses
210	cat $_rump_server_buses |sort -u >./.__tmp
211	mv -f ./.__tmp $_rump_server_buses
212	$DEBUG && cat $_rump_server_buses
213
214	return 0
215}
216
217rump_server_destroy_ifaces()
218{
219	local backup=$RUMP_SERVER
220
221	$DEBUG && cat $_rump_server_ifaces
222	# XXX using pipe doesn't work. See PR bin/51667
223	#cat $_rump_server_ifaces | while read sock ifname; do
224	while read sock ifname; do
225		export RUMP_SERVER=$sock
226		if rump.ifconfig -l |grep -q $ifname; then
227			atf_check -s exit:0 rump.ifconfig $ifname destroy
228		fi
229		atf_check -s exit:0 -o ignore rump.ifconfig
230	done < $_rump_server_ifaces
231	export RUMP_SERVER=$backup
232
233	return 0
234}
235
236rump_server_halt_servers()
237{
238	local backup=$RUMP_SERVER
239
240	$DEBUG && cat $_rump_server_socks
241	for sock in $(cat $_rump_server_socks); do
242		env RUMP_SERVER=$sock rump.halt
243	done
244	export RUMP_SERVER=$backup
245
246	return 0
247}
248
249rump_server_dump_servers()
250{
251	local backup=$RUMP_SERVER
252
253	$DEBUG && cat $_rump_server_socks
254	for sock in $(cat $_rump_server_socks); do
255		echo "### Dumping $sock"
256		export RUMP_SERVER=$sock
257		rump.ifconfig
258		rump.netstat -nr
259		rump.arp -na
260		rump.ndp -na
261		$HIJACKING dmesg
262	done
263	export RUMP_SERVER=$backup
264
265	if [ -f rump_server.core ]; then
266		gdb -ex bt /usr/bin/rump_server rump_server.core
267		strings rump_server.core |grep panic
268	fi
269	return 0
270}
271
272rump_server_dump_buses()
273{
274
275	if [ ! -f $_rump_server_buses ]; then
276		return 0
277	fi
278
279	$DEBUG && cat $_rump_server_buses
280	for bus in $(cat $_rump_server_buses); do
281		echo "### Dumping $bus"
282		shmif_dumpbus -p - $bus 2>/dev/null| tcpdump -n -e -r -
283	done
284	return 0
285}
286
287cleanup()
288{
289
290	rump_server_halt_servers
291}
292
293dump()
294{
295
296	rump_server_dump_servers
297	rump_server_dump_buses
298}
299