adulau/ssldump
1
0
Fork 0
mirror of https://github.com/adulau/ssldump.git synced 2024-11-24 10:27:05 +00:00
Code Issues Projects Releases Packages Wiki Activity

Check packet size before looking at IP header

Browse source
This commit is contained in:
William Robinet 2021-01-20 11:22:55 +01:00
parent 10963dd981
commit d1f8d01d4b
1 changed files with 6 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
base/network.c
View file

@ -126,6 +126,12 @@ int network_process_packet(handler,timestamp,data,length)
p.len=length;
p.ip=(struct ip *)data;
if(p.len < 20) {
if(!(NET_print_flags & NET_PRINT_JSON))
printf("Malformed packet, packet too small to contain IP header, skipping ...\n");
return(0);
}
/*Handle, or rather mishandle, fragmentation*/
off=ntohs(p.ip->ip_off);