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