added pibs.c file
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9bd1da24a5
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/*
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* pibs - Passive Identification of BackScatter
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*
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* Copyright (C) 2019 Gerard Wagener
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* Copyright (C) 2019 CIRCL Computer Incident Response Center Luxembourg
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* (SMILE gie).
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "pibs.h"
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int main(int argc, char* argv[])
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{
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int opt;
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pibs_t* pibs;
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pibs = init();
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fprintf(stderr, "[INFO] pid = %d\n",(int)getpid());
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while ((opt = getopt(argc, argv, "r:dbsni:au:z:p:w:y:")) != -1) {
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switch (opt) {
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case 'r':
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strncpy(pibs->filename, optarg, FILENAME_MAX);
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break;
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case 'd':
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pibs->should_dump_table = 1;
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break;
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case 'b':
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pibs->show_backscatter = 1;
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break;
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case 's':
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pibs->show_stats = 1;
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break;
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case 'n':
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pibs->should_create_shm = 1;
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break;
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case 'i':
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strncpy(pibs->shmid_file, optarg, FILENAME_MAX);
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break;
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case 'a':
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pibs->should_attach = 1;
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break;
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case 'u':
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strncpy(pibs->uuid, optarg, SZUUID);
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break;
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case 'z':
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strncpy(pibs->server,optarg, SZSERVER);
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break;
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case 'p':
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pibs->port=atoi(optarg);
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break;
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case 'w':
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strncpy(pibs->outputfile,optarg, FILENAME_MAX);
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pibs->should_writepcap = 1;
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break;
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case 'y':
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pibs->redisdb = atoi(optarg);
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break;
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default: /* '?' */
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fprintf(stderr, "[ERROR] Invalid command line was specified\n");
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}
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}
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if (pibs->should_create_shm) {
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pibs_shmget(pibs);
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if (pibs->shmid >0){
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printf("Create a new shared memory segment %d\n", pibs->shmid);
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} else {
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printf("Failed to get shared memory segment. Cause = %s\n",
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strerror(pibs->errno_copy));
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}
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}
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if (pibs->should_attach) {
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if (pibs_shmat(pibs) > 0 ) {
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printf("Attached to shared memory segment %d\n", pibs->shmid);
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} else {
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printf("Failed to attach to shared memory segment. System error:%s\n",
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strerror(pibs->errno_copy));
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return EXIT_FAILURE;
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}
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}
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if (pibs->uuid[0]) {
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if ((pibs->server[0] == 0) || (pibs->port == 0)) {
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fprintf(stderr,"Redis parameter server and port are incomplete. Use -z and -p options.\n");
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return EXIT_FAILURE;
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}
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process_redis_list(pibs);
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}
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//FIXME Add proper error handling for writecap
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if (pibs->should_writepcap) {
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pibs->outcap = pcap_open_dead(DLT_EN10MB, 65535);
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pibs->dumper = pcap_dump_open(pibs->outcap, pibs->outputfile);
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if (pibs->dumper == NULL) {
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printf("Failed to open outputfile. Reason=%s\n", pcap_geterr(pibs->outcap));
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return EXIT_FAILURE;
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}
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}
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if (pibs->show_backscatter)
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printf("#timestamp, source IP, TCP flags, source port\n");
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if (pibs->filename[0]) {
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process_file(pibs);
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}
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if (pibs->should_dump_table){
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pibs_dump_raw(pibs);
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pibs_dump_raw(pibs);
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}
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if (pibs->show_stats){
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pibs_dump_stats(pibs);
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}
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if (pibs->should_writepcap) {
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pcap_dump_close(pibs->dumper);
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printf("[INFO] Created pcap file %s\n", pibs->outputfile);
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}
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return EXIT_FAILURE;
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}
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