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#!/bin/bash
input=$1
if [ -d "$input" ]; then
pcap_dir=$input
pcap_files=($(find ${pcap_dir} -type f -name "*.pcap"))
elif [ -f "$input" ]; then
input_file=$input
pcap_files=($input_file)
else
echo "Usage: $0 input_pcap_dir or input_pcap_file"
exit 1
fi
# remove l7 protocol fields
function preprocess_tshark_ouput() {
input_file=$1
output_file=$2
cp ${input_file} ${output_file}
kv_array=(
":tcp:pptp" ":tcp"
":tcp-text-lines" ":tcp"
":icmp:ip:udp" ":icmp"
":icmpv6:ipv6:udp" ":icmpv6"
":ieee8021ad" ":vlan"
":x509sat" ""
":x509ce" ""
":pkix1implicit" ""
":pkix1explicit" ""
":data-text-lines" ""
":http-text-lines" ""
":websocket" ""
":ssl" ""
":ftp-data" ""
":x11" ""
":ntp" ""
":rip" ""
":isakmp" ""
":esp" ""
":udpencap" ""
":sip:sdp" ""
":sip" ""
":sdp" ""
":rtcp" ""
":rtp" ""
":ssh" ""
":dns" ""
":gquic" ""
":http:data-text-lines" ""
":http:data" ""
":msmms" ""
":bfd" ""
":ssdp" ""
":mdns" ""
":radius" ""
":pop" ""
":smtp" ""
":rtmpt" ""
":bittorrent" ""
":oicq" ""
":json" ""
":media" ""
":telnet" ""
":nbdgm:smb:browser" ""
":smb2" ""
":smb" ""
":nbss" ""
":memcache" ""
":rtspi" ""
":rdt" ""
":rtsp" ""
":nbns" ""
":lcp" ""
":chap" ""
":ipcp" ""
":comp_data" ""
":ccp" ""
":snmp" ""
":socks:http:data" ""
":socks:http" ""
":socks" ""
":bgp" ""
":eigrp" ""
":bootp" ""
":xml" ""
":echo" ""
":vssmonitoring" ""
":mndp" ""
":websocket-text-lines" ""
":image-jfif" ""
":png" ""
":llmnr" ""
":pkcs-1" ""
":bitcoin:bitcoin" ""
":bitcoin" ""
":image-gif" ""
":dhcpv6" ""
":arp" ""
":ccsrl" ""
":h245" ""
":srp" ""
":amr" ""
":mp4v-es" ""
":ajp13" ""
":ocsp" ""
":irc" ""
":http" ""
":ftp" ""
":data" ""
":sctp:m3ua" ""
":sctp" ""
":igmp" ""
":icmp:ip:tcp" ":icmp"
":pwethheuristic:pwethnocw" ""
":ospf" ""
":teredo" ""
)
for ((i = 0; i < ${#kv_array[@]}; i += 2)); do
key=${kv_array[i]}
val=${kv_array[i + 1]}
sed -i "s/$key/$val/g" ${output_file}
done
}
# When MPLS is nested, packet_tool will output multiple mpls fields, and tshark will only output one mpls field, so we need to preprocess the output
function preprocess_tool_ouput() {
input_file=$1
output_file=$2
cp ${input_file} ${output_file}
kv_array=(
":mpls:mpls" ":mpls"
)
for ((i = 0; i < ${#kv_array[@]}; i += 2)); do
key=${kv_array[i]}
val=${kv_array[i + 1]}
sed -i "s/$key/$val/g" ${output_file}
done
}
err_count=0
pass_count=0
curr_count=0
total_count=${#pcap_files[@]}
tmp_file_dir="cmp_tmp_files/"
err_pcap_dir="cmp_err_pcaps/"
rm -rf ${err_pcap_dir} && mkdir ${err_pcap_dir}
for pcap in "${pcap_files[@]}"; do
rm -rf ${tmp_file_dir} && mkdir ${tmp_file_dir}
curr_count=$((curr_count + 1))
# tshark output
tshark -r ${pcap} -T fields \
-e frame.number \
-e frame.protocols \
-e eth.src \
-e eth.dst \
-e vlan.id \
-e ip.src \
-e ip.dst \
-e ipv6.src \
-e ipv6.dst \
-e tcp.srcport \
-e tcp.dstport \
-e udp.srcport \
-e udp.dstport \
>>${tmp_file_dir}/tshark_output.txt
# packet_tool output
./packet_tool -f ${pcap} -t >>${tmp_file_dir}/tool_output.txt
# compare tshark and packet_tool output
preprocess_tshark_ouput ${tmp_file_dir}/tshark_output.txt ${tmp_file_dir}/tshark_format.txt
preprocess_tool_ouput ${tmp_file_dir}/tool_output.txt ${tmp_file_dir}/tool_format.txt
diff ${tmp_file_dir}/tshark_format.txt ${tmp_file_dir}/tool_format.txt >>${tmp_file_dir}/diff.txt
# print result
line_count=$(cat ${tmp_file_dir}/diff.txt | wc -l)
if [ "$line_count" -ne 0 ]; then
printf "\033[31m [${curr_count}/${total_count}] ${pcap} TEST FAILED \033[0m\n"
cat ${tmp_file_dir}/diff.txt | head -n 100
cp ${pcap} ${err_pcap_dir}
err_count=$((err_count + 1))
else
printf "\033[32m [${curr_count}/${total_count}] ${pcap} TEST PASSED \033[0m\n"
pass_count=$((pass_count + 1))
fi
done
printf "\033[33m Total : ${total_count} \033[0m\n"
printf "\033[32m Passed : ${pass_count} \033[0m\n"
printf "\033[31m Failed : ${err_count} \033[0m\n"
if [ "$err_count" -ne 0 ]; then
printf "\n\033[31m failed pcap: ${err_pcap_dir} \033[0m\n"
fi
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