Mergecap: add test suite for various merging scenarios
Add a test suite for mergecap (and indirectly capinfos I guess). This is not exhaustive, but it's a start. Change-Id: I9442b4c32e31a74b1673961ad6ab50821441de3e Reviewed-on: https://code.wireshark.org/review/10082 Reviewed-by: Hadriel Kaplan <hadrielk@yahoo.com> Reviewed-by: Anders Broman <a.broman58@gmail.com>
This commit is contained in:
Hadriel Kaplan
Anders Broman
parent
d64ad1de91
commit
dcaa64a050
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@ -68,6 +68,7 @@ WIRESHARK_GTK=$WS_BIN_PATH/wireshark-gtk
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TSHARK=$WS_BIN_PATH/tshark
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RAWSHARK=$WS_BIN_PATH/rawshark
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CAPINFOS=$WS_BIN_PATH/capinfos
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MERGECAP=$WS_BIN_PATH/mergecap
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DUMPCAP=$WS_BIN_PATH/dumpcap
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# interface with at least a few packets/sec traffic on it
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@ -0,0 +1,259 @@
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#!/bin/bash
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#
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# Run the mergecap unit tests
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#
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# Wireshark - Network traffic analyzer
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# By Gerald Combs <gerald@wireshark.org>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# common checking code:
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# arg 1 = return value from mergecap command
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# arg 2 = file type string
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# arg 3 = file encap
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# arg 4 = number of IDBs generated
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# arg 5 = number of file packets merged
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# arg 6 = number of some IDB packets merged
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mergecap_common_check() {
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if [ ! $1 -eq $EXIT_OK ]; then
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echo
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cat ./testout.txt
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test_step_failed "exit status of mergecap: $1"
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return
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fi
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grep -q "merging complete" testout.txt
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if [ $? -ne 0 ]; then
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cat ./testout.txt
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test_step_failed "mergecap didn't complete"
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fi
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$CAPINFOS -tEIc ./testout.pcap > testout.txt 2>&1
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RETURNVALUE=$?
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if [ ! $RETURNVALUE -eq $EXIT_OK ]; then
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echo
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cat ./testout.txt
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test_step_failed "exit status of capinfos: $RETURNVALUE"
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return
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fi
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grep -Eiq "File type:[[:blank:]]+$2" testout.txt
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if [ $? -ne 0 ]; then
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cat ./testout.txt
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test_step_failed "mergecap output format was not '$2'"
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fi
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grep -Eiq "File encapsulation:[[:blank:]]+$3" testout.txt
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if [ $? -ne 0 ]; then
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cat ./testout.txt
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test_step_failed "mergecap output encap type was not '$3'"
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fi
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grep -Eiq "Number of interfaces in file:[[:blank:]]+$4" testout.txt
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if [ $? -ne 0 ]; then
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cat ./testout.txt
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test_step_failed "mergecap output did not generate only $4 IDB"
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fi
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# this checks the file's number of packets
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grep -Eiq "Number of packets:[[:blank:]]+$5" testout.txt
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if [ $? -ne 0 ]; then
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cat ./testout.txt
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test_step_failed "mergecap output did not generate $5 packets for file"
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fi
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# this checks the IDB number of packets
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grep -Eiq "Number of packets =[[:blank:]]+$6" testout.txt
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if [ $? -ne 0 ]; then
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cat ./testout.txt
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test_step_failed "mergecap output did not generate $6 packets in IDB"
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fi
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}
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# this is a common one for legacy PCAP output
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# for this, arg1=returnvalue, arg2=#of file and IDB packets
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mergecap_common_pcap_pkt() {
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mergecap_common_check "$1" 'Wireshark/tcpdump/... - pcap' "Ethernet" "1" "$2" "$2"
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}
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# this is a common one for PCAPNG output
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# for this, arg1=returnvalue, arg2=encap type, arg3=#of IDBs, arg4=# of file pkts, arg5=# of IDB pkts
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mergecap_common_pcapng_pkt() {
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mergecap_common_check "$1" 'Wireshark/... - pcapng' "$2" "$3" "$4" "$5"
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}
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mergecap_step_basic_1_pcap_pcap_test() {
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$MERGECAP -vF pcap -w testout.pcap $CAPTURE_DIR/dhcp.pcap > testout.txt 2>&1
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RETURNVALUE=$?
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mergecap_common_pcap_pkt $RETURNVALUE 4
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test_step_ok
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}
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mergecap_step_basic_2_pcap_pcap_test() {
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$MERGECAP -vF pcap -w testout.pcap $CAPTURE_DIR/dhcp.pcap $CAPTURE_DIR/dhcp.pcap > testout.txt 2>&1
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RETURNVALUE=$?
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mergecap_common_pcap_pkt $RETURNVALUE 8
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test_step_ok
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}
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mergecap_step_basic_3_empty_pcap_pcap_test() {
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$MERGECAP -vF pcap -w testout.pcap $CAPTURE_DIR/empty.pcap $CAPTURE_DIR/dhcp.pcap $CAPTURE_DIR/empty.pcap > testout.txt 2>&1
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RETURNVALUE=$?
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mergecap_common_pcap_pkt $RETURNVALUE 4
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test_step_ok
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}
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mergecap_step_basic_2_nano_pcap_pcap_test() {
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$MERGECAP -vF pcap -w testout.pcap $CAPTURE_DIR/dhcp-nanosecond.pcap $CAPTURE_DIR/rsasnakeoil2.pcap > testout.txt 2>&1
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RETURNVALUE=$?
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mergecap_common_pcap_pkt $RETURNVALUE 62
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test_step_ok
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}
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mergecap_step_basic_1_pcap_pcapng_test() {
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$MERGECAP -v -w testout.pcap $CAPTURE_DIR/dhcp.pcap > testout.txt 2>&1
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RETURNVALUE=$?
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mergecap_common_pcapng_pkt $RETURNVALUE "Ethernet" 1 4 4
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test_step_ok
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}
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mergecap_step_basic_2_pcap_pcapng_test() {
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$MERGECAP -v -w testout.pcap $CAPTURE_DIR/dhcp.pcap $CAPTURE_DIR/dhcp.pcap > testout.txt 2>&1
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RETURNVALUE=$?
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mergecap_common_pcapng_pkt $RETURNVALUE "Ethernet" 1 8 8
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test_step_ok
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}
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mergecap_step_basic_2_pcap_none_pcapng_test() {
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$MERGECAP -vI 'none' -w testout.pcap $CAPTURE_DIR/dhcp.pcap $CAPTURE_DIR/dhcp.pcap > testout.txt 2>&1
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RETURNVALUE=$?
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mergecap_common_pcapng_pkt $RETURNVALUE "Ethernet" 2 8 4
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test_step_ok
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}
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mergecap_step_basic_2_pcap_all_pcapng_test() {
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$MERGECAP -vI 'all' -w testout.pcap $CAPTURE_DIR/dhcp.pcap $CAPTURE_DIR/dhcp.pcap > testout.txt 2>&1
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RETURNVALUE=$?
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mergecap_common_pcapng_pkt $RETURNVALUE "Ethernet" 1 8 8
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test_step_ok
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}
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mergecap_step_basic_2_pcap_any_pcapng_test() {
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$MERGECAP -vI 'any' -w testout.pcap $CAPTURE_DIR/dhcp.pcap $CAPTURE_DIR/dhcp.pcap > testout.txt 2>&1
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RETURNVALUE=$?
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mergecap_common_pcapng_pkt $RETURNVALUE "Ethernet" 1 8 8
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test_step_ok
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}
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mergecap_step_basic_1_pcapng_pcapng_test() {
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$MERGECAP -v -w testout.pcap $CAPTURE_DIR/dhcp.pcapng > testout.txt 2>&1
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RETURNVALUE=$?
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mergecap_common_pcapng_pkt $RETURNVALUE "Ethernet" 1 4 4
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test_step_ok
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}
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mergecap_step_1_pcapng_many_pcapng_test() {
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$MERGECAP -v -w testout.pcap $CAPTURE_DIR/many_interfaces.pcapng.1 > testout.txt 2>&1
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RETURNVALUE=$?
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mergecap_common_pcapng_pkt $RETURNVALUE "Per packet" 11 64 62
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test_step_ok
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}
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mergecap_step_3_pcapng_pcapng_test() {
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$MERGECAP -v -w testout.pcap $CAPTURE_DIR/many_interfaces.pcapng* > testout.txt 2>&1
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RETURNVALUE=$?
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mergecap_common_pcapng_pkt $RETURNVALUE "Per packet" 11 88 86
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test_step_ok
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}
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mergecap_step_3_pcapng_none_pcapng_test() {
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$MERGECAP -vI 'none' -w testout.pcap $CAPTURE_DIR/many_interfaces.pcapng* > testout.txt 2>&1
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RETURNVALUE=$?
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mergecap_common_pcapng_pkt $RETURNVALUE "Per packet" 33 88 62
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test_step_ok
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}
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mergecap_step_3_pcapng_all_pcapng_test() {
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# build a pcapng of all the interfaces repeated by using mode 'none'
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$MERGECAP -vI 'none' -w testin.pcap $CAPTURE_DIR/many_interfaces.pcapng* > testout.txt 2>&1
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# the above generated 33 IDBs, 88 total pkts, 62 in first IDB
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# and use that generated pcap for our test
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$MERGECAP -vI 'all' -w testout.pcap ./testin.pcap ./testin.pcap ./testin.pcap > testout.txt 2>&1
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RETURNVALUE=$?
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# check for 33 IDBs, 88*3=264 total pkts, 62*3=186 in first IDB
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mergecap_common_pcapng_pkt $RETURNVALUE "Per packet" 33 264 186
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test_step_ok
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}
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mergecap_step_3_pcapng_any_pcapng_test() {
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# build a pcapng of all the interfaces repeated by using mode 'none'
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$MERGECAP -vI 'none' -w testin.pcap $CAPTURE_DIR/many_interfaces.pcapng* > testout.txt 2>&1
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# the above generated 33 IDBs, 88 total pkts, 62 in first IDB
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# and use that generated pcap for our test
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$MERGECAP -vI 'any' -w testout.pcap ./testin.pcap ./testin.pcap ./testin.pcap > testout.txt 2>&1
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RETURNVALUE=$?
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# check for 11 IDBs, 88*3=264 total pkts, 86*3=258 in first IDB
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mergecap_common_pcapng_pkt $RETURNVALUE "Per packet" 11 264 258
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test_step_ok
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}
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mergecap_cleanup_step() {
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rm -f ./testout.txt
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rm -f ./testout.pcap
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rm -f ./testin.pcap
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}
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mergecap_suite() {
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test_step_set_pre mergecap_cleanup_step
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test_step_set_post mergecap_cleanup_step
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test_step_add "1 pcap in ----> pcap out" mergecap_step_basic_1_pcap_pcap_test
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test_step_add "2 pcaps in ---> pcap out" mergecap_step_basic_2_pcap_pcap_test
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test_step_add "3 pcaps in ---> pcap out; two are empty" mergecap_step_basic_3_empty_pcap_pcap_test
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test_step_add "2 pcaps in ---> pcap out; one is nanosecond pcap" mergecap_step_basic_2_nano_pcap_pcap_test
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test_step_add "1 pcap in ----> pcapng out" mergecap_step_basic_1_pcap_pcapng_test
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test_step_add "2 pcaps in ---> pcapng out" mergecap_step_basic_2_pcap_pcapng_test
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test_step_add "2 pcaps in ---> pcapng out; merge mode none" mergecap_step_basic_2_pcap_none_pcapng_test
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test_step_add "2 pcaps in ---> pcapng out; merge mode all" mergecap_step_basic_2_pcap_all_pcapng_test
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test_step_add "2 pcaps in ---> pcapng out; merge mode any" mergecap_step_basic_2_pcap_any_pcapng_test
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test_step_add "1 pcapng in --> pcapng out" mergecap_step_basic_1_pcapng_pcapng_test
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test_step_add "1 pcapng in --> pcapng out; many interfaces" mergecap_step_1_pcapng_many_pcapng_test
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test_step_add "3 pcapngs in -> pcapng out; wildcarded" mergecap_step_3_pcapng_pcapng_test
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test_step_add "3 pcapngs in -> pcapng out; merge mode none" mergecap_step_3_pcapng_none_pcapng_test
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test_step_add "3 pcapngs in -> pcapng out; merge mode all" mergecap_step_3_pcapng_all_pcapng_test
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test_step_add "3 pcapngs in -> pcapng out; merge mode any" mergecap_step_3_pcapng_any_pcapng_test
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}
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#
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# Editor modelines - https://www.wireshark.org/tools/modelines.html
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#
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# Local variables:
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# c-basic-offset: 8
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# tab-width: 8
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# indent-tabs-mode: t
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# End:
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#
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# vi: set shiftwidth=8 tabstop=8 noexpandtab:
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# :indentSize=8:tabSize=8:noTabs=false:
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#
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@ -1,6 +1,6 @@
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#!/bin/bash
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#
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# Run the epan unit tests
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# Run the Lua API unit tests
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#
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# Wireshark - Network traffic analyzer
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# By Gerald Combs <gerald@wireshark.org>
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@ -108,6 +108,7 @@ source $TESTS_DIR/suite-fileformats.sh
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source $TESTS_DIR/suite-decryption.sh
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source $TESTS_DIR/suite-nameres.sh
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source $TESTS_DIR/suite-wslua.sh
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source $TESTS_DIR/suite-mergecap.sh
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test_cleanup() {
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if [ $TEST_OUTDIR_CLEAN = 1 ]; then
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@ -126,7 +127,7 @@ trap test_cleanup EXIT
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test_step_prerequisites() {
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NOTFOUND=0
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for i in "$WIRESHARK" "$WIRESHARK_GTK" "$TSHARK" "$CAPINFOS" "$DUMPCAP" ; do
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for i in "$WIRESHARK" "$WIRESHARK_GTK" "$TSHARK" "$CAPINFOS" "$MERGECAP" "$DUMPCAP" ; do
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if [ ! -x $i ]; then
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echo "Couldn't find $i"
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NOTFOUND=1
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@ -164,10 +165,11 @@ test_suite() {
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test_suite_add "File I/O" io_suite
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test_suite_add "Capture" capture_suite
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test_suite_add "Unit tests" unittests_suite
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test_suite_add "File formats" fileformats_suite
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test_suite_add "Decryption" decryption_suite
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test_suite_add "Name Resolution" name_resolution_suite
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test_suite_add "Lua API" wslua_suite
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test_suite_add "Mergecap" mergecap_suite
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test_suite_add "File formats" fileformats_suite
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}
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