mirror of
https://github.com/OpenVPN/openvpn.git
synced 2024-09-20 12:02:28 +02:00
renamed t_client.sh to t_client.sh.in
build t_client.sh by configure at run-time, with proper paths to ip/ifconfig/netstat binaries, and (most important) with proper #!SHELL extend configure.ac to find "netstat" binary and to chmod +x "t_client.sh" Signed-off-by: Gert Doering <gert@greenie.muc.de>
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298
t_client.sh
298
t_client.sh
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#!/bin/sh
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#
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# run OpenVPN client against ``test reference'' server
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# - check that ping, http, ... via tunnel works
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# - check that interface config / routes are properly cleaned after test end
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#
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# prerequisites:
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# - openvpn binary in current directory
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# - writable current directory to create subdir for logs
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# - t_client.rc in current directory OR source dir that specifies tests
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# - for "ping4" checks: fping binary in $PATH
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# - for "ping6" checks: fping6 binary in $PATH
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#
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if [ ! -x ./openvpn ]
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then
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echo "no (executable) openvpn binary in current directory. FAIL." >&2
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exit 1
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fi
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if [ ! -w . ]
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then
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echo "current directory is not writable (required for logging). FAIL." >&2
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exit 1
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fi
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if [ -r ./t_client.rc ] ; then
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. ./t_client.rc
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elif [ -r "${srcdir}"/t_client.rc ] ; then
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. "${srcdir}"/t_client.rc
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else
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echo "cannot find 't_client.rc' in current directory or" >&2
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echo "source dir ('${srcdir}'). FAIL." >&2
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exit 1
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fi
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if [ -z "$CA_CERT" ] ; then
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echo "CA_CERT not defined in 't_client.rc'. SKIP test." >&2
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exit 0
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fi
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if [ -z "$TEST_RUN_LIST" ] ; then
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echo "TEST_RUN_LIST empty, no tests defined. SKIP test." >&2
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exit 0
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fi
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# make sure we have permissions to run ifconfig/route from OpenVPN
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# can't use "id -u" here - doesn't work on Solaris
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ID=`id`
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if expr "$ID" : "uid=0" >/dev/null
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then :
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else
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echo "$0: this test must run be as root. SKIP." >&2
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exit 0
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fi
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LOGDIR=t_client-`hostname`-`date +%Y%m%d-%H%M%S`
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if mkdir $LOGDIR
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then :
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else
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echo "can't create log directory '$LOGDIR'. FAIL." >&2
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exit 1
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fi
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exit_code=0
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# ----------------------------------------------------------
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# helper functions
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# ----------------------------------------------------------
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# print failure message, increase FAIL counter
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fail()
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{
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echo ""
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echo "FAIL: $@" >&2
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fail_count=$(( $fail_count + 1 ))
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}
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# print "all interface IP addresses" + "all routes"
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# this is higly system dependent...
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get_ifconfig_route()
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{
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# linux / iproute2?
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if [ -x /sbin/ip -o -x /usr/sbin/ip ]
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then
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echo "-- linux iproute2 --"
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ip addr show | grep -v valid_lft
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ip route show
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ip -6 route show | sed -e 's/expires [0-9]*sec //'
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return
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fi
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# try uname
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case `uname -s` in
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Linux)
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echo "-- linux / ifconfig --"
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LANG=C ifconfig -a |egrep "( addr:|encap:)"
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LANG=C netstat -rn -4 -6
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return
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;;
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FreeBSD|NetBSD|Darwin)
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echo "-- FreeBSD/NetBSD/Darwin [MacOS X] --"
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ifconfig -a | egrep "(flags=|inet)"
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netstat -rn | awk '$3 !~ /^UHL/ { print $1,$2,$3,$NF }'
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return
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;;
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OpenBSD)
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echo "-- OpenBSD --"
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ifconfig -a | egrep "(flags=|inet)" | \
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sed -e 's/pltime [0-9]*//' -e 's/vltime [0-9]*//'
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netstat -rn | awk '$3 !~ /^UHL/ { print $1,$2,$3,$NF }'
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return
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;;
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SunOS)
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echo "-- Solaris --"
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ifconfig -a | egrep "(flags=|inet)"
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netstat -rn
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return
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;;
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esac
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echo "get_ifconfig_route(): no idea how to get info on your OS. FAIL." >&2
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exit 20
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}
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# ----------------------------------------------------------
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# check ifconfig
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# arg1: "4" or "6" -> for message
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# arg2: IPv4/IPv6 address that must show up in out of "get_ifconfig_route"
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check_ifconfig()
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{
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proto=$1 ; shift
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expect_list="$@"
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if [ -z "$expect_list" ] ; then return ; fi
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for expect in $expect_list
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do
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if get_ifconfig_route | fgrep "$expect" >/dev/null
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then :
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else
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fail "check_ifconfig(): expected IPv$proto address '$expect' not found in ifconfig output."
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fi
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done
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}
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# ----------------------------------------------------------
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# run pings
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# arg1: "4" or "6" -> fping/fing6
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# arg2: "want_ok" or "want_fail" (expected ping result)
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# arg3... -> fping arguments (host list)
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run_ping_tests()
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{
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proto=$1 ; want=$2 ; shift ; shift
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targetlist="$@"
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# "no targets" is fine
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if [ -z "$targetlist" ] ; then return ; fi
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case $proto in
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4) cmd=fping ;;
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6) cmd=fping6 ;;
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*) echo "internal error in run_ping_tests arg 1: '$proto'" >&2
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exit 1 ;;
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esac
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case $want in
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want_ok) sizes_list="64 1440 3000" ;;
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want_fail) sizes_list="64" ;;
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esac
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for bytes in $sizes_list
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do
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echo "run IPv$proto ping tests ($want), $bytes byte packets..."
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echo "$cmd -b $bytes -C 20 -p 250 -q $targetlist" >>$LOGDIR/$SUF:fping.out
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$cmd -b $bytes -C 20 -p 250 -q $targetlist >>$LOGDIR/$SUF:fping.out 2>&1
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# while OpenVPN is running, pings must succeed (want='want_ok')
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# before OpenVPN is up, pings must NOT succeed (want='want_fail')
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rc=$?
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if [ $rc = 0 ] # all ping OK
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then
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if [ $want = "want_fail" ] # not what we want
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then
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fail "IPv$proto ping test succeeded, but needs to *fail*."
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fi
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else # ping failed
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if [ $want = "want_ok" ] # not what we wanted
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then
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fail "IPv$proto ping test ($bytes bytes) failed, but should succeed."
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fi
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fi
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done
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}
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# ----------------------------------------------------------
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# main test loop
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# ----------------------------------------------------------
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for SUF in $TEST_RUN_LIST
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do
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echo -e "\n### test run $SUF ###\n"
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fail_count=0
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echo "save pre-openvpn ifconfig + route"
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get_ifconfig_route >$LOGDIR/$SUF:ifconfig_route_pre.txt
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# get config variables
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eval openvpn_conf=\"\$OPENVPN_CONF_$SUF\"
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eval expect_ifconfig4=\"\$EXPECT_IFCONFIG4_$SUF\"
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eval expect_ifconfig6=\"\$EXPECT_IFCONFIG6_$SUF\"
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eval ping4_hosts=\"\$PING4_HOSTS_$SUF\"
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eval ping6_hosts=\"\$PING6_HOSTS_$SUF\"
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echo -e "\nrun pre-openvpn ping tests - targets must not be reachable..."
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run_ping_tests 4 want_fail "$ping4_hosts"
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run_ping_tests 6 want_fail "$ping6_hosts"
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if [ "$fail_count" = 0 ] ; then
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echo -e "OK.\n"
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else
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echo -e "FAIL: make sure that ping hosts are ONLY reachable via VPN, SKIP test $SUF".
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exit_code=31
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continue
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fi
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echo " run ./openvpn $openvpn_conf"
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./openvpn $openvpn_conf >$LOGDIR/$SUF:openvpn.log &
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opid=$!
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# make sure openvpn client is terminated in case shell exits
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trap "kill $opid" 0
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trap "kill $opid ; trap - 0 ; exit 1" 1 2 3 15
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echo "wait for connection to establish..."
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sleep 10
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# test whether OpenVPN process is still there
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if kill -0 $opid
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then :
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else
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echo -e "OpenVPN process has failed to start up, check log ($LOGDIR/$SUF:openvpn.log). FAIL.\ntail of logfile follows:\n..." >&2
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tail $LOGDIR/$SUF:openvpn.log >&2
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trap - 0 1 2 3 15
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exit 10
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fi
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# compare whether anything changed in ifconfig/route setup?
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echo "save ifconfig+route"
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get_ifconfig_route >$LOGDIR/$SUF:ifconfig_route.txt
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echo -n "compare pre-openvpn ifconfig+route with current values..."
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if diff $LOGDIR/$SUF:ifconfig_route_pre.txt \
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$LOGDIR/$SUF:ifconfig_route.txt >/dev/null
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then
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fail "no differences between ifconfig/route before OpenVPN start and now."
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else
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echo -e " OK!\n"
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fi
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# expected ifconfig values in there?
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check_ifconfig 4 "$expect_ifconfig4"
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check_ifconfig 6 "$expect_ifconfig6"
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run_ping_tests 4 want_ok "$ping4_hosts"
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run_ping_tests 6 want_ok "$ping6_hosts"
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echo -e "ping tests done.\n"
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echo "stopping OpenVPN"
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kill $opid
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wait $!
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rc=$?
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if [ $rc != 0 ] ; then
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fail "OpenVPN return code $rc, expect 0"
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fi
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echo -e "\nsave post-openvpn ifconfig + route..."
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get_ifconfig_route >$LOGDIR/$SUF:ifconfig_route_post.txt
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echo -n "compare pre- and post-openvpn ifconfig + route..."
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if diff $LOGDIR/$SUF:ifconfig_route_pre.txt \
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$LOGDIR/$SUF:ifconfig_route_post.txt >$LOGDIR/$SUF:ifconfig_route_diff.txt
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then
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echo -e " OK.\n"
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else
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cat $LOGDIR/$SUF:ifconfig_route_diff.txt >&2
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fail "differences between pre- and post-ifconfig/route"
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fi
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if [ "$fail_count" = 0 ] ; then
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echo -e "test run $SUF: all tests OK.\n"
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else
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echo -e "test run $SUF: $fail_count test failures. FAIL.\n";
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exit_code=30
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fi
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done
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# remove trap handler
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trap - 0 1 2 3 15
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exit $exit_code
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