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Bugfix: packet parser

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* Corrected the acquisition of GRE header length
    * Check whether the total length of IP is less than the length of IP header
This commit is contained in:
luwenpeng
2024-06-03 17:50:52 +08:00
parent eb1056b4f9
commit ae2e36b382
3 changed files with 111 additions and 73 deletions
Download Patch File Download Diff File Expand all files Collapse all files

75
test/packet_parser/cmp_layers.sh
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@@ -18,26 +18,38 @@ function preprocess_tshark_ouput() {
output_file=$2
cp ${input_file} ${output_file}
kv_array=(
":data" ""
":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" ""
":ssl" ""
":gquic" ""
":http-text-lines" ""
":http" ""
":http:data-text-lines" ""
":http:data" ""
":msmms" ""
":bfd" ""
":ftp-data-text-lines" ""
":ftp" ""
":ssdp" ""
":mdns" ""
":radius" ""
@@ -48,21 +60,23 @@ function preprocess_tshark_ouput() {
":oicq" ""
":json" ""
":media" ""
":x11" ""
":telnet" ""
":nbss:smb" ""
":nbdgm:smb:browser" ""
":smb2" ""
":nbss" ""
":memcache" ""
":rtspi" ""
":rdt" ""
":rtsp" ""
":nbns" ""
":nbdgm:smb:browser" ""
":lcp" ""
":chap" ""
":ipcp" ""
":comp_data" ""
":ccp" ""
":snmp" ""
":socks:http:data" ""
":socks:http" ""
":socks" ""
":bgp" ""
":eigrp" ""
@@ -72,27 +86,40 @@ function preprocess_tshark_ouput() {
":vssmonitoring" ""
":mndp" ""
":websocket-text-lines" ""
":websocket" ""
":image-jfif" ""
":png" ""
":pkix1implicit" ""
":x509sat" ""
":x509ce" ""
":pkix1explicit" ""
":llmnr" ""
":pkcs-1" ""
":bitcoin:bitcoin" ""
":bitcoin" ""
":image-gif" ""
":dhcpv6" ""
":tcp:pptp" ":tcp"
":ieee8021ad" ":vlan"
":tcp-text-lines" ":tcp"
":arp" ""
":ccsrl" ""
":h245" ""
":srp" ""
":amr" ""
":mp4v-es" ""
":ajp13" ""
":ocsp" ""
":irc" ""
":http" ""
":ftp" ""
":data" ""
":sctp:m3ua" ""
":sctp" ""
":teredo:ipv6:udp" ""
":teredo:ipv6:tcp" ""
":teredo:ipv6:icmpv6" ""
":teredo:ipv6:gre:ip:udp" ""
":igmp" ""
":icmp:ip:tcp" ":icmp"
":pwethheuristic:pwethnocw" ""
)
for ((i = 0; i < ${#kv_array[@]}; i += 2)); do
key=${kv_array[i]}
val=${kv_array[i + 1]}
sed "s/$key/$val/g" ${output_file} >${output_file}.tmp
mv ${output_file}.tmp ${output_file}
sed -i "s/$key/$val/g" ${output_file}
done
}
@@ -107,8 +134,7 @@ function preprocess_parser_ouput() {
for ((i = 0; i < ${#kv_array[@]}; i += 2)); do
key=${kv_array[i]}
val=${kv_array[i + 1]}
sed "s/$key/$val/g" ${output_file} >${output_file}.tmp
mv ${output_file}.tmp ${output_file}
sed -i "s/$key/$val/g" ${output_file}
done
}
@@ -149,7 +175,10 @@ for pcap in "${pcap_files[@]}"; do
fi
done
printf "\033[32m\nTotal: ${total_count}, Passed: ${pass_count}, Failed: ${err_count}\033[0m\n"
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 "\033[31mFailed pcap files are saved in ${err_pcap_dir}\033[0m\n"
printf "\n\033[31m failed pcap: ${err_pcap_dir} \033[0m\n"
fi