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# udp4-multi-diffip01 26# 27# Description: 28# Verify that the kernel is not crashed with receiving and sending UDP 29# datagram 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=${TCID:-udp4-multi-diffip01} 51TST_TOTAL=1 52TST_COUNT=1 53export TCID 54export TST_COUNT 55export TST_TOTAL 56 57# Test description 58tst_resm TINFO "Verify that the kernel is not crashed with receiving and sending UDP datagram at the different IP addresses(aliases) with the following conditions" 59 60# Make sure the value of LTPROOT 61LTPROOT=${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 92#----------------------------------------------------------------------- 93# 94# Function: do_cleanup 95# 96# Description: 97# Recover the system configuration 98# 99#----------------------------------------------------------------------- 100do_cleanup() 101{ 102 # Kill the udp traffic server 103 killall_udp_traffic 104 105 # Unset SAD/SPD 106 output_ipsec_conf flush | setkey -c >/dev/null 2>&1 107 $LTP_RSH $RHOST ${LTPROOT}/'testcases/bin/output_ipsec_conf flush | PATH=/sbin:/usr/sbin:$PATH setkey -c' >/dev/null 2>&1 108 109 # Clean up each interface 110 initialize_if lhost ${LINK_NUM} 111 initialize_if rhost ${LINK_NUM} 112} 113 114 115#----------------------------------------------------------------------- 116# 117# Setup 118# 119 120# Unset the maximum number of processes 121ulimit -u unlimited 122 123# Output the informaion 124tst_resm TINFO "- Test duration is $NS_DURATION [sec]" 125tst_resm TINFO "- Target number of the connection is $IP_TOTAL_FOR_TCPIP" 126tst_resm TINFO "- Version of IP is IPv${IP_VER}" 127 128if $DO_IPSEC ; then 129 message=`check_setkey` 130 if [ $? -ne 0 ]; then 131 tst_resm TBROK "$message" 132 exit 1 133 fi 134 135 case $IPSEC_PROTO in 136 ah) 137 tst_resm TINFO "- IPsec [ AH / $IPSEC_MODE ]" 138 ;; 139 esp) 140 tst_resm TINFO "- IPsec [ ESP / $IPSEC_MODE ]" 141 ;; 142 ipcomp) 143 tst_resm TINFO "- IPcomp [ $IPSEC_MODE ]" 144 ;; 145 esac 146fi 147 148# name of interface of the local/remote host 149lhost_ifname=`get_ifname lhost $LINK_NUM` 150if [ $? -ne 0 ]; then 151 tst_resm TBROK "Failed to get the interface name at the local host" 152 exit $TST_TOTAL 153fi 154 155rhost_ifname=`get_ifname rhost $LINK_NUM` 156if [ $? -ne 0 ]; then 157 tst_resm TBROK "Failed to get the interface name at the remote host" 158 exit $TST_TOTAL 159fi 160 161# Initialize the system configuration 162do_cleanup 163 164# Call do_cleanup function before exit 165trap do_cleanup 0 166 167# Loop to assign IP addresses 168ipaddr_pair_num=0 169while [ $ipaddr_pair_num -lt $IP_TOTAL_FOR_TCPIP ]; do 170 # Add new IP addresses 171 x=`expr $ipaddr_pair_num \/ 255 % 255` 172 y=`expr $ipaddr_pair_num % 255` 173 if [ $x -ge 255 ]; then 174 tst_resm TINFO "This script cannot add more than $ipaddr_pair_num addresses" 175 break 176 fi 177 178 case $IP_VER in 179 4) 180 network_part="10.${x}.${y}" 181 network_broadcast=${network_part}.255 182 network_mask=24 183 lhost_addr="${network_part}.2" 184 rhost_addr="${network_part}.1" 185 186 # Set IPv4 addresses to the interfaces 187 ip addr add ${lhost_addr}/${network_mask} broadcast $network_broadcast dev $lhost_ifname 188 189 ### delete before setting 190 if [ $? -eq 2 ]; then 191 ip addr del ${lhost_addr}/${network_mask} broadcast $network_broadcast dev $lhost_ifname 2>&1 192 ip addr add ${lhost_addr}/${network_mask} broadcast $network_broadcast dev $lhost_ifname 193 fi 194 195 if [ $? -ne 0 ]; then 196 if [ $ipaddr_pair_num -eq 0 ]; then 197 tst_resm TBROK "Failed to add any IP address at the local" 198 exit 1 199 else 200 tst_resm TINFO "The number of IP address at the local host seems to reach the maximum. The number is $ipaddr_pair_num" 201 fi 202 break 203 fi 204 205 ret=`$LTP_RSH $RHOST 'PATH=/sbin:/usr/sbin:$PATH ip' addr add ${rhost_addr}/${network_mask} broadcast $network_broadcast dev $rhost_ifname' ; echo $?'` 206 if [ $ret -eq 2 ]; then 207 $LTP_RSH $RHOST 'PATH=/sbin:/usr/sbin:$PATH ip' addr del ${rhost_addr}/${network_mask} broadcast $network_broadcast dev $rhost_ifname 208 ret=`$LTP_RSH $RHOST 'PATH=/sbin:/usr/sbin:$PATH ip' addr add ${rhost_addr}/${network_mask} broadcast $network_broadcast dev $rhost_ifname' ; echo $?'` 209 fi 210 if [ $ret -ne 0 ]; then 211 if [ $ipaddr_pair_num -eq 0 ]; then 212 tst_resm TBROK "Failed to add any IP address at the remote" 213 exit 1 214 else 215 tst_resm TINFO "The number of IP address at the remote host seems to reach the maximum. The number is $ipaddr_pair_num" 216 fi 217 break 218 fi 219 ;; 220 221 6) 222 hex_x=`printf %x $x` 223 hex_y=`printf %x $y` 224 225 network_part="fd00:1:${hex_x}:${hex_y}" 226 network_mask=64 227 lhost_addr="${network_part}::2" 228 rhost_addr="${network_part}::1" 229 230 # Set IPv6 addresses to the interfaces 231 ip addr add ${lhost_addr}/${network_mask} dev $lhost_ifname 232 233 if [ $ret -eq 2 ]; then 234 ip addr del ${lhost_addr}/${network_mask} dev $lhost_ifname 2>&1 235 ip addr add ${lhost_addr}/${network_mask} dev $lhost_ifname 236 fi 237 238 if [ $? -ne 0 ]; then 239 if [ $ipaddr_pair_num -eq 0 ]; then 240 tst_resm TBROK "Failed to add any IP address at the local" 241 exit 1 242 else 243 tst_resm TINFO "The number of IP address at the local host seems to reach the maximum. The number is $ipaddr_pair_num" 244 fi 245 break 246 fi 247 248 ret=`$LTP_RSH $RHOST 'PATH=/sbin:/usr/sbin:$PATH ip' addr add ${rhost_addr}/${network_mask} dev $rhost_ifname' ; echo $?'` 249 250 if [ $ret -eq 2 ]; then 251 LTP_RSH $RHOST 'PATH=/sbin:/usr/sbin:$PATH ip' addr del ${rhost_addr}/${network_mask} dev $rhost_ifname 252 ret=`$LTP_RSH $RHOST 'PATH=/sbin:/usr/sbin:$PATH ip' addr add ${rhost_addr}/${network_mask} dev $rhost_ifname' ; echo $?'` 253 fi 254 255 if [ $ret -ne 0 ]; then 256 if [ $ipaddr_pair_num -eq 0 ]; then 257 tst_resm TBROK "Failed to add any IP address at the remote" 258 exit 1 259 else 260 tst_resm TINFO "The number of IP address at the remote host seems to reach the maximum. The number is $ipaddr_pair_num" 261 fi 262 break 263 fi 264 ;; 265 esac 266 267 # Set SAD/SPD 268 if $DO_IPSEC ; then 269 ipsec_log=`mktemp -p $TMPDIR` 270 output_ipsec_conf src \ 271 $IPSEC_PROTO $IPSEC_MODE $SPI $lhost_addr $rhost_addr \ 272 | setkey -c 2>&1 | tee $ipsec_log 273 if [ $? -ne 0 -o -s $ipsec_log ]; then 274 rm -f $ipsec_log 275 if [ $ipaddr_pair_num -eq 0 ]; then 276 tst_resm TBROK "Failed to add any SAD/SPD" 277 exit 1 278 else 279 tst_resm TINFO "The number of SAD/SPD seems to reach the maximum at the local host." 280 fi 281 break 282 fi 283 rm -f $ipsec_log 284 285 $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 286 if [ $? -ne 0 -o -s $ipsec_log ]; then 287 rm -f $ipsec_log 288 if [ $ipaddr_pair_num -eq 0 ]; then 289 tst_resm TBROK "Failed to add any SAD/SPD" 290 exit 1 291 else 292 tst_resm TINFO "The number of SAD/SPD seems to reach the maximum at the remote host." 293 fi 294 break 295 fi 296 rm -f $ipsec_log 297 fi 298 299 # Check the connectivity 300 case $IP_VER in 301 4) 302 ret=`$LTP_RSH $RHOST ${LTPROOT}/testcases/bin/check_icmpv4_connectivity $rhost_ifname $lhost_addr' ; echo $?'` 303 if [ $ret -ne 0 ]; then 304 tst_resm TBROK "No IPv4 connectivity among ${ipaddr_pair_num}th IP a 305 ddress pair" 306 exit 1 307 fi 308 ;; 309 310 6) 311 ret=`$LTP_RSH $RHOST ${LTPROOT}/testcases/bin/check_icmpv6_connectivity $rhost_ifname $lhost_addr' ; echo $?'` 312 if [ $ret -ne 0 ]; then 313 tst_resm TBROK "No IPv6 connectivity among ${ipaddr_pair_num}th IP a 314 ddress pair" 315 exit 1 316 fi 317 ;; 318 esac 319 320 if [ $? -ne 0 ]; then 321 tst_resm TFAIL "There is no connectivity." 322 exit 1 323 fi 324 325 ipaddr_pair_num=`expr $ipaddr_pair_num + 1` 326done 327 328 329#----------------------------------------------------------------------- 330# 331# Main 332# 333# 334 335# Find the available consecutive ports 336server_port=`find_portbundle udp 1025 1` 337if [ $? -ne 0 ]; then 338 tst_resm TBROK "No port is available." 339 exit 1 340fi 341 342# Run a UDP traffic server 343info_file=`mktemp -p $TMPDIR` 344ns-udpserver -b -f $IP_VER -p $server_port -o $info_file 345if [ $? -ne 0 ]; then 346 tst_resm TFAIL "Failed to run a UDP traffic server" 347 exit 1 348fi 349 350# Collect the information of the server 351while true ; do 352 if [ -s $info_file ]; then 353 break 354 fi 355done 356server_pid=`grep PID: $info_file | cut -f 2 -d ' '` 357rm -f $info_file 358 359# Make connections 360connection_num=0 361while [ $connection_num -lt $ipaddr_pair_num ]; do 362 # IP addresses 363 x=`expr $connection_num \/ 255 % 255` 364 y=`expr $connection_num % 255` 365 366 case $IP_VER in 367 4) 368 lhost_addr="10.${x}.${y}.2" 369 ;; 370 371 6) 372 hex_x=`printf %x $x` 373 hex_y=`printf %x $y` 374 lhost_addr="fd00:1:${hex_x}:${hex_y}::2" 375 ;; 376 esac 377 378 # Run a client 379 ret=`$LTP_RSH $RHOST ${LTPROOT}/testcases/bin/ns-udpclient -b -f $IP_VER -S $lhost_addr -p $server_port' ; echo $?'` 380 if [ $ret -ne 0 ]; then 381 if [ $connection_num -eq 0 ]; then 382 tst_resm TFAIL "Failed to run any client" 383 exit 1 384 else 385 tst_resm TINFO "$connection_num seems the maximum number of the client" 386 fi 387 break 388 fi 389 connection_num=`expr $connection_num + 1` 390done 391 392 393# Watch the UDP traffic server 394start_epoc=`date +%s` 395while true ; do 396 current_epoc=`date +%s` 397 elapse_epoc=`expr $current_epoc - $start_epoc` 398 399 if [ $elapse_epoc -ge $NS_DURATION ]; then 400 break 401 else 402 ps auxw | fgrep ns-udpserver | fgrep -l $server_pid >/dev/null 2>&1 403 if [ $? -ne 0 ]; then 404 tst_resm TFAIL "udp traffic server is dead in $elapse_epoc [sec]" 405 exit 1 406 fi 407 fi 408 sleep 1 409done 410 411 412#----------------------------------------------------------------------- 413# 414# Clean up 415# 416 417tst_resm TPASS "Test is finished successfully." 418exit 0 419