add: [pibs-isn] identify packets that have destination ip set to tcp sequence number

master
Gerard Wagener 2020-02-19 16:44:48 +01:00
parent c3f7c26011
commit cb4ca4a778
1 changed files with 74 additions and 0 deletions

74
bin/pibs-isn.c Normal file
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/*
* pibs - Create lists of isn having the same value than ip address
*
* Copyright (C) 2020 Gerard Wagener
* Copyright (C) 2020 CIRCL Computer Incident Response Center Luxembourg
* (SMILE gie).
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#define __USE_XOPEN
#include <time.h>
#include "pibs.h"
void usage(void)
{
printf("Create lists of targets under SYN floods for BGP Ranking\n");
printf("\n");
printf("OPTIONS\n");
printf(" -h Shows this screen\n");
printf(" -r inputfile\n");
printf(" Read pcap file from inputfile\n");
printf("\n");
printf("DIRECTORY STRUCTURE\n");
printf("<directory>/port/year/month/year-month-day.txt\n");
}
void process(pibs_t* pibs, wtap *wth, uint8_t* eth,
struct ip* ipv4, struct tcphdr* tcp)
{
if (ipv4->ip_dst.s_addr == tcp->seq) {
printf("%x\n",ntohl(tcp->seq));
}
}
int main(int argc, char* argv[])
{
pibs_t* pibs;
int opt;
pibs = init();
while ((opt = getopt(argc, argv, "hr:d:")) != -1) {
printf("%d\n", opt);
switch (opt) {
case 'h':
usage();
break;
case 'r':
strncpy(pibs->filename, optarg, FILENAME_MAX);
pibs->filename[FILENAME_MAX-1] = '\0';
break;
}
}
//Set call back function
pibs->synseen_callback = &process;
if (pibs->filename[0]) {
process_file(pibs);
}
return EXIT_SUCCESS;
}