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Diffstat (limited to 'test/suite-capture.sh')
| -rw-r--r-- | test/suite-capture.sh | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/test/suite-capture.sh b/test/suite-capture.sh new file mode 100644 index 0000000000..9d8f606d08 --- /dev/null +++ b/test/suite-capture.sh @@ -0,0 +1,193 @@ +#!/bin/bash +# +# Test the capture engine of the Ethereal tools +# +# $Id$ +# +# Ethereal - Network traffic analyzer +# By Gerald Combs <gerald@ethereal.com> +# Copyright 2005 Ulf Lamping +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +# + + +# common exit status values +EXIT_OK=0 +EXIT_COMMAND_LINE=1 +EXIT_ERROR=2 + + +# capture exactly 10 packets +capture_step_10packets() { + $DUT -i $TRAFFIC_CAPTURE_IFACE -w ./testout.pcap -c 10 -a duration:$TRAFFIC_CAPTURE_DURATION > ./testout.txt 2>&1 + RETURNVALUE=$? + if [ ! $RETURNVALUE -eq $EXIT_OK ]; then + test_step_failed "exit status of $DUT: $RETURNVALUE" + # part of the Prerequisite checks + # probably wrong interface, output the possible interfaces + $TETHEREAL -D + return + fi + + # we should have an output file now + if [ ! -f "./testout.pcap" ]; then + test_step_failed "No output file!" + return + fi + + # ok, we got a capture file, does it contain exactly 10 packets? + $CAPINFOS ./testout.pcap > ./testout.txt + grep -i 'Number of packets: 10' ./testout.txt > /dev/null + if [ $? -eq 0 ]; then + test_step_ok + else + echo + cat ./testout.txt + test_step_failed "Probably the wrong interface (no traffic captured)!" + fi +} + +# capture exactly 2 times 10 packets +capture_step_2multi_10packets() { + $DUT -i $TRAFFIC_CAPTURE_IFACE -w ./testout.pcap -c 10 -a duration:$TRAFFIC_CAPTURE_DURATION > ./testout.txt 2>&1 + RETURNVALUE=$? + if [ ! $RETURNVALUE -eq $EXIT_OK ]; then + test_step_failed "exit status of $DUT: $RETURNVALUE" + # part of the Prerequisite checks + # probably wrong interface, output the possible interfaces + $TETHEREAL -D + return + fi + + # we should have an output file now + if [ ! -f "./testout.pcap" ]; then + test_step_failed "No output file!" + return + fi + + # ok, we got a capture file, does it contain exactly 10 packets? + $CAPINFOS ./testout.pcap > ./testout.txt + grep -i 'Number of packets: 10' ./testout.txt > /dev/null + if [ $? -eq 0 ]; then + test_step_ok + else + echo + cat ./testout.txt + test_step_failed "Probably the wrong interface (no traffic captured)!" + fi +} + +# capture with a very unlikely read filter, packets must be zero afterwards +capture_step_read_filter() { + # valid, but very unlikely filter + $DUT -i $TRAFFIC_CAPTURE_IFACE -w ./testout.pcap -a duration:$TRAFFIC_CAPTURE_DURATION -R 'dcerpc.cn_call_id==123456' -c 10 > ./testout.txt 2>&1 + RETURNVALUE=$? + if [ ! $RETURNVALUE -eq $EXIT_OK ]; then + test_step_failed "exit status: $RETURNVALUE" + return + fi + + # we should have an output file now + if [ ! -f "./testout.pcap" ]; then + test_step_failed "No output file!" + return + fi + + # ok, we got a capture file, does it contain exactly 0 packets? + $CAPINFOS ./testout.pcap > ./testout.txt + grep -i 'Number of packets: 0' ./testout.txt > /dev/null + if [ $? -eq 0 ]; then + test_step_ok + else + echo + cat ./testout.txt + test_step_failed "Capture file should contain zero packets!" + fi +} + + +# capture with a snapshot length +capture_step_snapshot() { + # capture with a snapshot length of 68 bytes for $TRAFFIC_CAPTURE_DURATION seconds + # this should result in no packets + $DUT -i $TRAFFIC_CAPTURE_IFACE -w ./testout.pcap -s 68 -a duration:$TRAFFIC_CAPTURE_DURATION > ./testout.txt 2>&1 + RETURNVALUE=$? + if [ ! $RETURNVALUE -eq $EXIT_OK ]; then + test_step_failed "exit status: $RETURNVALUE" + return + fi + + # we should have an output file now + if [ ! -f "./testout.pcap" ]; then + test_step_failed "No output file!" + return + fi + + # use tethereal to filter out all packets, which are larger than 68 bytes + $TETHEREAL -r ./testout.pcap -w ./testout2.pcap -R 'frame.cap_len>68' > ./testout.txt 2>&1 + + # ok, we got a capture file, does it contain exactly 0 packets? + $CAPINFOS ./testout2.pcap > ./testout.txt + grep -i 'Number of packets: 0' ./testout.txt > /dev/null + if [ $? -eq 0 ]; then + test_step_ok + else + echo + cat ./testout.txt + test_step_failed "Capture file should contain zero packets!" + return + fi +} + +ethereal_capture_suite() { + # Q: quit after cap, k: start capture immediately + DUT="$ETHEREAL -Q -k" + test_step_add "Capture 10 packets" capture_step_10packets + # read filter doesn't work with Ethereal and capturing! + #test_step_add "Capture read filter (${TRAFFIC_CAPTURE_DURATION}s)" capture_step_read_filter + # the snapshot length test is also based on the read filters + test_step_add "Capture snapshot length 68 bytes (${TRAFFIC_CAPTURE_DURATION}s)" capture_step_snapshot +} + +tethereal_capture_suite() { + DUT=$TETHEREAL + test_step_add "Capture 10 packets" capture_step_10packets + test_step_add "Capture read filter (${TRAFFIC_CAPTURE_DURATION}s)" capture_step_read_filter + test_step_add "Capture snapshot length 68 bytes (${TRAFFIC_CAPTURE_DURATION}s)" capture_step_snapshot +} + +dumpcap_capture_suite() { + #DUT="$DUMPCAP -Q" + DUT=$DUMPCAP + test_step_add "Capture 10 packets" capture_step_10packets + # read filter doesn't work with dumpcap! + #test_step_add "Capture read filter (${TRAFFIC_CAPTURE_DURATION}s)" capture_step_read_filter + test_step_add "Capture snapshot length 68 bytes (${TRAFFIC_CAPTURE_DURATION}s)" capture_step_snapshot +} + +capture_post_step() { + rm -f ./testout.txt + rm -f ./testout.pcap + rm -f ./testout2.pcap +} + +capture_suite() { + test_step_set_post capture_post_step + test_remark_add "Capture - need some traffic on: \"$TRAFFIC_CAPTURE_IFACE\"" + test_suite_add "Tethereal capture" tethereal_capture_suite + test_suite_add "Ethereal capture" ethereal_capture_suite + test_suite_add "Dumpcap capture" dumpcap_capture_suite +} |