1#!/bin/sh
2
3################################################################################
4##                                                                            ##
5## Copyright (c) International Business Machines  Corp., 2005                 ##
6##                                                                            ##
7## This program is free software;  you can redistribute it and#or modify      ##
8## it under the terms of the GNU General Public License as published by       ##
9## the Free Software Foundation; either version 2 of the License, or          ##
10## (at your option) any later version.                                        ##
11##                                                                            ##
12## This program is distributed in the hope that it will be useful, but        ##
13## WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY ##
14## or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License   ##
15## for more details.                                                          ##
16##                                                                            ##
17## You should have received a copy of the GNU General Public License          ##
18## along with this program;  if not, write to the Free Software               ##
19## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA    ##
20##                                                                            ##
21##                                                                            ##
22################################################################################
23#
24# File:
25#   icmp4-multi-diffip01
26#
27# Description:
28#   Verify that the kernel is not crashed with receiving and sending ICMP
29#   message at different IP address(alias) with the following conditions
30#     - The version of IP is IPv4
31#     - IPsec is not used
32#
33#   *) This script may be read by the other test case
34#
35# Setup:
36#   See testcases/network/stress/README
37#
38# Author:
39#   Mitsuru Chinen <mitch@jp.ibm.com>
40#
41# History:
42#	Oct 19 2005 - Created (Mitsuru Chinen)
43#
44#-----------------------------------------------------------------------
45# Uncomment line below for debug output.
46#trace_logic=${trace_logic:-"set -x"}
47$trace_logic
48
49# The test case ID, the test case count and the total number of test case
50TCID=${TCID:-icmp4-multi-diffip01}
51TST_TOTAL=1
52TST_COUNT=1
53export TCID
54export TST_COUNT
55export TST_TOTAL
56
57# Test description
58tst_resm TINFO "Verify that the kernel is not crashed with receiving and sending various size of ICMP message at the different IP address(alias) simultaneously with the following conditions"
59
60# Make sure the value of LTPROOT
61LTPROOT=${LTPROOT:-`(cd ../../../../.. ; pwd)`}
62export LTPROOT
63
64# Check the environmanet variable
65. check_envval || exit $TST_TOTAL
66
67# Dulation of the test [sec]
68NS_DURATION=${NS_DURATION:-3600}      # 1 hour
69
70# The number of IP address (alias)
71IP_TOTAL_FOR_TCPIP=${IP_TOTAL_FOR_TCPIP:-100}
72
73# The number of the test link where tests run
74LINK_NUM=${LINK_NUM:-0}
75
76# The version of IP
77IP_VER=${IP_VER:-4}
78
79# true, if ipsec is used
80DO_IPSEC=${DO_IPSEC:-false}
81
82# The value of SPI
83SPI=${SPI:-1000}
84
85# IPsec Protocol ( ah / esp / ipcomp )
86IPSEC_PROTO=${IPSEC_PROTO:-ah}
87
88# IPsec Mode ( transport / tunnel )
89IPSEC_MODE=${IPSEC_MODE:-transport}
90
91# Array of the echo request packet size
92ICMP_SIZE_ARRAY=${ICMP_SIZE_ARRAY:-"10 100 1000 10000 65507"}
93
94
95#-----------------------------------------------------------------------
96#
97# Function: do_cleanup
98#
99# Description:
100#   Recover the system configuration
101#
102#-----------------------------------------------------------------------
103do_cleanup()
104{
105    # Kill the icmp traffic server
106    killall_icmp_traffic
107
108    # Unset SAD/SPD
109    output_ipsec_conf flush | setkey -c >/dev/null 2>&1
110    $LTP_RSH $RHOST ${LTPROOT}/'testcases/bin/output_ipsec_conf flush | PATH=/sbin:/usr/sbin:$PATH setkey -c' >/dev/null 2>&1
111
112    # Clean up each interface
113    initialize_if lhost ${LINK_NUM}
114    initialize_if rhost ${LINK_NUM}
115}
116
117
118#-----------------------------------------------------------------------
119#
120# Setup
121#
122
123# Unset the maximum number of processes
124ulimit -u unlimited
125
126# Output the informaion
127tst_resm TINFO "- Test duration is $NS_DURATION [sec]"
128tst_resm TINFO "- Target number of the connection is $IP_TOTAL_FOR_TCPIP"
129tst_resm TINFO "- Version of IP is IPv${IP_VER}"
130tst_resm TINFO "- Size of packets are ( $ICMP_SIZE_ARRAY )"
131
132if $DO_IPSEC ; then
133    message=`check_setkey`
134    if [ $? -ne 0 ]; then
135	tst_resm TBROK "$message"
136	exit 1
137    fi
138
139    case $IPSEC_PROTO in
140	ah)
141	tst_resm TINFO "- IPsec [ AH / $IPSEC_MODE ]"
142	;;
143	esp)
144	tst_resm TINFO "- IPsec [ ESP / $IPSEC_MODE ]"
145	;;
146	ipcomp)
147	tst_resm TINFO "- IPcomp [ $IPSEC_MODE ]"
148	;;
149    esac
150fi
151
152
153# name of interface of the local/remote host
154lhost_ifname=`get_ifname lhost $LINK_NUM`
155if [ $? -ne 0 ]; then
156    tst_resm TBROK "Failed to get the interface name at the local host"
157    exit $TST_TOTAL
158fi
159
160rhost_ifname=`get_ifname rhost $LINK_NUM`
161if [ $? -ne 0 ]; then
162    tst_resm TBROK "Failed to get the interface name at the remote host"
163    exit $TST_TOTAL
164fi
165
166
167# Initialize the system configuration
168do_cleanup
169
170# Call do_cleanup function before exit
171trap do_cleanup 0
172
173# Loop to assign IP addresses
174ipaddr_pair_num=0
175while [ $ipaddr_pair_num -lt $IP_TOTAL_FOR_TCPIP ]; do
176    # Add new IP addresses
177    x=`expr $ipaddr_pair_num \/ 255 % 255`
178    y=`expr $ipaddr_pair_num % 255`
179    if [ $x -ge 255 ]; then
180	tst_resm TINFO "This script cannot add more than $ipaddr_pair_num addresses"
181	break
182    fi
183
184    case $IP_VER in
185	4)
186	network_part="10.${x}.${y}"
187	network_broadcast=${network_part}.255
188	network_mask=24
189	lhost_addr="${network_part}.2"
190	rhost_addr="${network_part}.1"
191
192	# Set IPv4 addresses to the interfaces
193	ip addr add ${lhost_addr}/${network_mask} broadcast $network_broadcast dev $lhost_ifname
194
195        ### delete before setting
196        if [ $? -eq 2 ]; then
197		ip addr del ${lhost_addr}/${network_mask} broadcast $network_broadcast dev $lhost_ifname 2>&1
198		ip addr add ${lhost_addr}/${network_mask} broadcast $network_broadcast dev $lhost_ifname
199        fi
200
201	if [ $? -ne 0 ]; then
202	    if [ $ipaddr_pair_num -eq 0 ]; then
203		tst_resm TBROK "Failed to add any IP address at the local"
204		exit 1
205	    else
206		tst_resm TINFO "The number of IP address at the local host seems to reach the maximum. The number is $ipaddr_pair_num"
207	    fi
208	    break
209	fi
210
211	ret=`$LTP_RSH $RHOST 'PATH=/sbin:/usr/sbin:$PATH ip' addr add ${rhost_addr}/${network_mask} broadcast $network_broadcast dev $rhost_ifname' ; echo $?'`
212
213        if [ $ret -eq 2 ]; then
214		$LTP_RSH $RHOST 'PATH=/sbin:/usr/sbin:$PATH ip' addr del ${rhost_addr}/${network_mask} broadcast $network_broadcast dev $rhost_ifname
215		ret=`$LTP_RSH $RHOST 'PATH=/sbin:/usr/sbin:$PATH ip' addr add ${rhost_addr}/${network_mask} broadcast $network_broadcast dev $rhost_ifname' ; echo $?'`
216        fi
217
218	if [ $ret -ne 0 ]; then
219	    if [ $ipaddr_pair_num -eq 0 ]; then
220		tst_resm TBROK "Failed to add any IP address at the remote"
221		exit 1
222	    else
223		tst_resm TINFO "The number of IP address at the remote host seems to reach the maximum. The number is $ipaddr_pair_num"
224	    fi
225	    break
226	fi
227	;;
228
229	6)
230	hex_x=`printf %x $x`
231	hex_y=`printf %x $y`
232
233	network_part="fd00:1:${hex_x}:${hex_y}"
234	network_mask=64
235	lhost_addr="${network_part}::2"
236	rhost_addr="${network_part}::1"
237
238	# Set IPv6 addresses to the interfaces
239	ip addr add ${lhost_addr}/${network_mask} dev $lhost_ifname
240
241        if [ $? -eq 2 ]; then
242		ip addr del ${lhost_addr}/${network_mask} dev $lhost_ifname 2>&1
243		ip addr add ${lhost_addr}/${network_mask} dev $lhost_ifname
244        fi
245
246	if [ $? -ne 0 ]; then
247	    if [ $ipaddr_pair_num -eq 0 ]; then
248		tst_resm TBROK "Failed to add any IP address at the local"
249		exit 1
250	    else
251		tst_resm TINFO "The number of IP address at the local host seems to reach the maximum. The number is $ipaddr_pair_num"
252	    fi
253	    break
254	fi
255
256	ret=`$LTP_RSH $RHOST 'PATH=/sbin:/usr/sbin:$PATH ip' addr add ${rhost_addr}/${network_mask} dev $rhost_ifname' ; echo $?'`
257
258	if [ $ret -eq 2 ]; then
259		$LTP_RSH $RHOST 'PATH=/sbin:/usr/sbin:$PATH ip' addr del ${rhost_addr}/${network_mask} dev $rhost_ifname
260		ret=`$LTP_RSH $RHOST 'PATH=/sbin:/usr/sbin:$PATH ip' addr add ${rhost_addr}/${network_mask} dev $rhost_ifname' ; echo $?'`
261	fi
262
263	if [ $ret -ne 0 ]; then
264	    if [ $ipaddr_pair_num -eq 0 ]; then
265		tst_resm TBROK "Failed to add any IP address at the remote"
266		exit 1
267	    else
268		tst_resm TINFO "The number of IP address at the remote host seems to reach the maximum. The number is $ipaddr_pair_num"
269	    fi
270	    break
271	fi
272	;;
273    esac
274
275    # Set SAD/SPD
276    if $DO_IPSEC ; then
277	ipsec_log=`mktemp -p $TMPDIR`
278	output_ipsec_conf src \
279	    $IPSEC_PROTO $IPSEC_MODE $SPI $lhost_addr $rhost_addr \
280		| setkey -c 2>&1 | tee $ipsec_log
281	if [ $? -ne 0 -o -s $ipsec_log ]; then
282	    rm -f $ipsec_log
283	    if [ $ipaddr_pair_num -eq 0 ]; then
284		tst_resm TBROK "Failed to add any SAD/SPD"
285		exit 1
286	    else
287		tst_resm TINFO "The number of SAD/SPD seems to reach the maximum at the local host."
288	    fi
289	    break
290	fi
291	rm -f $ipsec_log
292
293	$LTP_RSH $RHOST ${LTPROOT}/testcases/bin/output_ipsec_conf dst $IPSEC_PROTO $IPSEC_MODE $SPI $lhost_addr $rhost_addr' | PATH=/sbin:/usr/sbin:$PATH setkey -c' 2>&1 | tee $ipsec_log
294	if [ -s $ipsec_log ]; then
295	    rm -f $ipsec_log
296	    if [ $ipaddr_pair_num -eq 0 ]; then
297		tst_resm TBROK "Failed to add any SAD/SPD"
298		exit 1
299	    else
300		tst_resm TINFO "The number of SAD/SPD seems to reach the maximum at the remote host."
301	    fi
302	    break
303	fi
304	rm -f $ipsec_log
305    fi
306
307    # Check the connectivity
308    case $IP_VER in
309	4)
310	ret=`$LTP_RSH $RHOST ${LTPROOT}/testcases/bin/check_icmpv4_connectivity $rhost_ifname $lhost_addr' ; echo $?'`
311	if [ $ret -ne 0 ]; then
312	    tst_resm TBROK "No IPv4 connectivity among ${ipaddr_pair_num}th IP address pair"
313	    exit 1
314	fi
315	;;
316
317	6)
318	ret=`$LTP_RSH $RHOST ${LTPROOT}/testcases/bin/check_icmpv6_connectivity $rhost_ifname $lhost_addr' ; echo $?'`
319	if [ $ret -ne 0 ]; then
320	    tst_resm TBROK "No IPv6 connectivity among ${ipaddr_pair_num}th IP address pair"
321	    exit 1
322	fi
323	;;
324    esac
325
326    if [ $? -ne 0 ]; then
327	tst_resm TFAIL "There is no connectivity."
328	exit 1
329    fi
330
331    ipaddr_pair_num=`expr $ipaddr_pair_num + 1`
332done
333
334
335
336#-----------------------------------------------------------------------
337#
338# Main
339#
340#
341
342# Start to receiving/replying ICMP echo
343connection_num=0
344while [ $connection_num -lt $ipaddr_pair_num ]; do
345    # IP addresses
346    x=`expr $connection_num \/ 255 % 255`
347    y=`expr $connection_num % 255`
348
349    case $IP_VER in
350	4)
351	lhost_addr="10.${x}.${y}.2"
352	;;
353
354	6)
355	hex_x=`printf %x $x`
356	hex_y=`printf %x $y`
357	lhost_addr="fd00:1:${hex_x}:${hex_y}::2"
358	;;
359    esac
360
361    # Run a client
362    $LTP_RSH $RHOST "${LTPROOT}/testcases/bin/ns-echoclient -S $lhost_addr -f $IP_VER -s \"$ICMP_SIZE_ARRAY\"" &
363    connection_num=`expr $connection_num + 1`
364done
365
366
367sleep $NS_DURATION
368killall_icmp_traffic
369wait
370
371
372#-----------------------------------------------------------------------
373#
374# Clean up
375#
376
377tst_resm TPASS "Test is finished successfully."
378exit 0
379