analyzer-d4-pibs/bin/pibs-BGP-Ranking.c

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/*
* pibs - Create lists of targets under SYN floods for bgp ranking
*
* Copyright (C) 2019 Gerard Wagener
* Copyright (C) 2019 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>
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#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(" -d directory\n");
printf(" Root directory where the list should be stored\n");
printf("\n");
printf("DIRECTORY STRUCTURE\n");
printf("<directory>/port/year/month/year-month-day.txt\n");
}
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char* create_path(pibs_t* pibs, uint16_t port, uint64_t ts)
{
struct tm tm;
char s[32];
char *out;
out = calloc(1,FILENAME_MAX);
if (out) {
snprintf(s,32,"%ld",ts);
if (strptime(s,"%s",&tm)){
strftime((char*)&s,32,"%Y-%m-%d", &tm);
}
}
//Something went wrong
return NULL;
}
void frame_to_bgpr(pibs_t* pibs, wtap *wth, uint8_t* eth,
struct ip* ipv4, struct tcphdr* tcp)
{
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create_path(pibs, ntohs(tcp->th_sport), wth->rec.ts.secs);
}
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 = &frame_to_bgpr;
if (pibs->filename[0]) {
process_file(pibs);
}
return EXIT_SUCCESS;
}