Example #1
0
int
main(int argc, char **argv)
{
	int ch, mode = 0;
	char *arg = NULL;

	pid = getpid();
	thiszone = gmt2local(0);
	while ((ch = getopt(argc, argv, "acd:f:Ii:nprstA:HPR")) != -1)
		switch (ch) {
		case 'a':
		case 'c':
		case 'p':
		case 'r':
		case 'H':
		case 'P':
		case 'R':
		case 's':
		case 'I':
			if (mode) {
				usage();
				/*NOTREACHED*/
			}
			mode = ch;
			arg = NULL;
			break;
		case 'f':
			exit(file(optarg) ? 1 : 0);
		case 'd':
		case 'i':
			if (mode) {
				usage();
				/*NOTREACHED*/
			}
			mode = ch;
			arg = optarg;
			break;
		case 'n':
			nflag = 1;
			break;
		case 't':
			tflag = 1;
			break;
		case 'A':
			if (mode) {
				usage();
				/*NOTREACHED*/
			}
			mode = 'a';
			repeat = atoi(optarg);
			if (repeat < 0) {
				usage();
				/*NOTREACHED*/
			}
			break;
		default:
			usage();
		}

	argc -= optind;
	argv += optind;

	switch (mode) {
	case 'a':
	case 'c':
		if (argc != 0) {
			usage();
			/*NOTREACHED*/
		}
		dump(0, mode == 'c');
		break;
	case 'd':
		if (argc != 0) {
			usage();
			/*NOTREACHED*/
		}
		delete(arg);
		break;
	case 'I':
#ifdef SIOCSDEFIFACE_IN6	/* XXX: check SIOCGDEFIFACE_IN6 as well? */
		if (argc > 1) {
			usage();
			/*NOTREACHED*/
		} else if (argc == 1) {
			if (strcmp(*argv, "delete") == 0 ||
			    if_nametoindex(*argv))
				setdefif(*argv);
			else
				errx(1, "invalid interface %s", *argv);
		}
		getdefif(); /* always call it to print the result */
		break;
#else
		errx(1, "not supported yet");
		/*NOTREACHED*/
#endif
	case 'p':
		if (argc != 0) {
			usage();
			/*NOTREACHED*/
		}
		plist();
		break;
	case 'i':
		ifinfo(arg, argc, argv);
		break;
	case 'r':
		if (argc != 0) {
			usage();
			/*NOTREACHED*/
		}
		rtrlist();
		break;
	case 's':
		if (argc < 2 || argc > 4)
			usage();
		exit(set(argc, argv) ? 1 : 0);
	case 'H':
		if (argc != 0) {
			usage();
			/*NOTREACHED*/
		}
		harmonize_rtr();
		break;
	case 'P':
		if (argc != 0) {
			usage();
			/*NOTREACHED*/
		}
		pfx_flush();
		break;
	case 'R':
		if (argc != 0) {
			usage();
			/*NOTREACHED*/
		}
		rtr_flush();
		break;
	case 0:
		if (argc != 1) {
			usage();
			/*NOTREACHED*/
		}
		get(argv[0]);
		break;
	}
	exit(0);
}
Example #2
0
int
main(int argc, char **argv)
{
	int ch;
	int aflag = 0, dflag = 0, sflag = 0, Hflag = 0,
		pflag = 0, rflag = 0, Pflag = 0, Rflag = 0;

	pid = getpid();
	thiszone = gmt2local(0);
	while ((ch = getopt(argc, argv, "acndfIilprstA:HPR")) != -1)
		switch ((char)ch) {
		case 'a':
			aflag = 1;
			break;
		case 'c':
			cflag = 1;
			break;
		case 'd':
			dflag = 1;
			break;
		case 'I':
#ifdef SIOCSDEFIFACE_IN6	/* XXX: check SIOCGDEFIFACE_IN6 as well? */
			if (argc > 2)
				setdefif(argv[2]);
			getdefif(); /* always call it to print the result */
			exit(0);
#else
			errx(1, "not supported yet");
			/*NOTREACHED*/
#endif
		case 'i' :
			argc -= optind;
			argv += optind;
			if (argc < 1)
				usage();
			ifinfo(argc, argv);
			exit(0);
		case 'n':
			nflag = 1;
			continue;
		case 'p':
			pflag = 1;
			break;
		case 'f' :
			if (argc != 3)
				usage();
			file(argv[2]);
			exit(0);
		case 'l' :
			/* obsolete, ignored */
			break;
		case 'r' :
			rflag = 1;
			break;
		case 's':
			sflag = 1;
			break;
		case 't':
			tflag = 1;
			break;
		case 'A':
			aflag = 1;
			repeat = atoi(optarg);
			if (repeat < 0)
				usage();
			break;
		case 'H' :
			Hflag = 1;
			break;
		case 'P':
			Pflag = 1;
			break;
		case 'R':
			Rflag = 1;
			break;
		default:
			usage();
		}

	argc -= optind;
	argv += optind;

	if (aflag || cflag) {
		dump(0);
		exit(0);
	}
	if (dflag) {
		if (argc != 1)
			usage();
		delete(argv[0]);
		exit(0);
	}
	if (pflag) {
		plist();
		exit(0);
	}
	if (rflag) {
		rtrlist();
		exit(0);
	}
	if (sflag) {
		if (argc < 2 || argc > 4)
			usage();
		exit(set(argc, argv) ? 1 : 0);
	}
	if (Hflag) {
		harmonize_rtr();
		exit(0);
	}
	if (Pflag) {
		pfx_flush();
		exit(0);
	}
	if (Rflag) {
		rtr_flush();
		exit(0);
	}

	if (argc != 1)
		usage();
	get(argv[0]);
	exit(0);
}
Example #3
0
int
main(int argc, char **argv)
{
	FILE *fp = stdin;
	int c;

	if (argc == 1) {
		usage(0);
	}

	thiszone = gmt2local(0);

	while ((c = getopt(argc, argv, "acdf:HlnvxDFPphVrk?")) != -1) {
		switch (c) {
		case 'c':
			f_mode = MODE_STDIN;
#ifdef HAVE_READLINE
			/* disable filename completion */
			rl_bind_key('\t', rl_insert);
#endif
			break;
		case 'f':
			f_mode = MODE_SCRIPT;
			if (strcmp(optarg, "-") == 0) {
				fp = stdin;
			} else if ((fp = fopen(optarg, "r")) == NULL) {
				err(1, "Can't open `%s'", optarg);
			}
			break;
		case 'D':
			f_mode = MODE_CMDDUMP;
			break;
		case 'F':
			f_mode = MODE_CMDFLUSH;
			break;
		case 'a':
			f_all = 1;
			break;
		case 'l':
			f_forever = 1;
			break;
		case 'n':
			f_notreally = 1;
			break;
#ifdef __NetBSD__
		case 'h':
#endif
		case 'H':
			f_hexdump = 1;
			break;
		case 'x':
			f_mode = MODE_PROMISC;
			f_tflag++;
			break;
		case 'P':
			f_policy = 1;
			break;
		case 'p':
			f_withports = 1;
			break;
		case 'v':
			f_verbose = 1;
			break;
		case 'r':
#ifdef HAVE_POLICY_FWD
			f_rfcmode = 1;
#else
			rkwarn();
#endif
			break;
		case 'k':
#ifdef HAVE_POLICY_FWD
			f_rfcmode = 0;
#else
			rkwarn();
#endif
			break;
		case 'V':
			usage(1);
			break;
#ifndef __NetBSD__
		case 'h':
#endif
		case '?':
		default:
			usage(0);
		}
	}

	argc -= optind;
	argv += optind;

	if (argc > 0) {
		while (argc--) {
			if (fileproc(*argv++) < 0) {
				err(1, "%s", argv[-1]);
			}
		}
		exit(0);
	}

	so = pfkey_open();
	if (so < 0) {
		perror("pfkey_open");
		exit(1);
	}

	switch (f_mode) {
	case MODE_CMDDUMP:
		sendkeyshort(f_policy ? SADB_X_SPDDUMP : SADB_DUMP);
		break;
	case MODE_CMDFLUSH:
		sendkeyshort(f_policy ? SADB_X_SPDFLUSH: SADB_FLUSH);
		break;
	case MODE_SCRIPT:
		if (get_supported() < 0) {
			errx(1, "%s", ipsec_strerror());
		}
		if (parse(&fp))
			exit(1);
		break;
	case MODE_STDIN:
		if (get_supported() < 0) {
			errx(1, "%s", ipsec_strerror());
		}
		stdin_loop();
		break;
	case MODE_PROMISC:
		promisc();
		/* NOTREACHED */
	default:
		usage(0);
	}

	exit(0);
}
int main(int argc, char* argv[]) {
  char *device = NULL, c, *bind_mask = NULL;
  int snaplen = DEFAULT_SNAPLEN, rc, watermark = 0, rehash_rss = 0;
  packet_direction direction = rx_only_direction;
  long i;
  u_int16_t cpu_percentage = 0, poll_duration = 0;
  u_int32_t version;
  u_int32_t flags = 0;

  startTime.tv_sec = 0;
  thiszone = gmt2local(0);
  numCPU = sysconf( _SC_NPROCESSORS_ONLN );
  memset(thread_core_affinity, -1, sizeof(thread_core_affinity));

  while((c = getopt(argc,argv,"hi:l:mvae:w:b:rp:g:")) != -1) {
    switch(c) {
    case 'h':
      printHelp();
      return(0);
      break;
    case 'a':
      wait_for_packet = 0;
      break;
    case 'e':
      switch(atoi(optarg)) {
      case rx_and_tx_direction:
      case rx_only_direction:
      case tx_only_direction:
	direction = atoi(optarg);
	break;
      }
      break;
    case 'l':
      snaplen = atoi(optarg);
      break;
    case 'i':
      device = strdup(optarg);
      break;
    case 'm':
      use_extended_pkt_header = 1;
      break;
    case 'v':
      verbose = 1;
      break;
    case 'w':
      watermark = atoi(optarg);
      break;
    case 'b':
      cpu_percentage = atoi(optarg);
      break;
    case 'r':
      rehash_rss = 1;
      break;
    case 'p':
      poll_duration = atoi(optarg);
      break;
    case 'g':
      bind_mask = strdup(optarg);
      break;
    }
  }

  if(verbose) watermark = 1;
  if(device == NULL) device = DEFAULT_DEVICE;

  printf("Capturing from %s\n", device);

  flags |= PF_RING_PROMISC; /* hardcode: promisc=1 */
#if 0
  flags |=  PF_RING_DNA_FIXED_RSS_Q_0;
#else
  flags |= PF_RING_DNA_SYMMETRIC_RSS;  /* Note that symmetric RSS is ignored by non-DNA drivers */
#endif
  if(use_extended_pkt_header) flags |= PF_RING_LONG_HEADER;

  num_channels = pfring_open_multichannel(device, snaplen, flags, ring);
  
  if(num_channels <= 0) {
    fprintf(stderr, "pfring_open_multichannel() returned %d [%s]\n", num_channels, strerror(errno));
    return(-1);
  }


  if (num_channels > MAX_NUM_THREADS)
  {
     printf("WARNING: Too many channels (%d), using %d channels\n", num_channels, MAX_NUM_THREADS);
     num_channels = MAX_NUM_THREADS;
  }
  else if (num_channels > numCPU)
  {
     printf("WARNING: More channels (%d) than available cores (%d), using %d channels\n", num_channels, numCPU, numCPU);
     num_channels = numCPU;
  }
  else 
  {
    printf("Found %d channels\n", num_channels);
  }

  if(bind_mask != NULL)
  {
     char *id = strtok(bind_mask, ":");
     int idx = 0;

     while(id != NULL) {
        thread_core_affinity[idx++] = atoi(id) % numCPU;
        if(idx >= num_channels) break;
        id = strtok(NULL, ":");
     }
  }

  pfring_version(ring[0], &version);  
  printf("Using PF_RING v.%d.%d.%d\n",
	 (version & 0xFFFF0000) >> 16,
	 (version & 0x0000FF00) >> 8,
	 version & 0x000000FF);
  
  for(i=0; i<num_channels; i++)
  {
     char buf[32];
    
     snprintf(buf, sizeof(buf), "pfcount_multichannel-thread %ld", i);
     pfring_set_application_name(ring[i], buf);

     if((rc = pfring_set_direction(ring[i], direction)) != 0)
	fprintf(stderr, "pfring_set_direction returned %d [direction=%d] (you can't capture TX with DNA)\n", rc, direction);
    
     if((rc = pfring_set_socket_mode(ring[i], recv_only_mode)) != 0)
	fprintf(stderr, "pfring_set_socket_mode returned [rc=%d]\n", rc);

     if(watermark > 0) {
        if((rc = pfring_set_poll_watermark(ring[i], watermark)) != 0)
           fprintf(stderr, "pfring_set_poll_watermark returned [rc=%d][watermark=%d]\n", rc, watermark);
     }
#if 0    
  setup_steering(ring[0], "192.168.30.207", -1);

  /* UTDF */
  setup_steering(ring[0], "224.0.1.92", 1);
  setup_steering(ring[0], "224.0.1.94", 1);
  setup_steering(ring[0], "224.0.1.96", 1);

  /* BATS */
  setup_steering(ring[0], "224.0.62.2", 2);

  /* default: should go to channel 0 */
#endif
     if(rehash_rss)
        pfring_enable_rss_rehash(ring[i]);
    
     if(poll_duration > 0)
        pfring_set_poll_duration(ring[i], poll_duration);

     pfring_enable_ring(ring[i]);

     pthread_create(&pd_thread[i], NULL, packet_consumer_thread, (void*)i);
     usleep(500);
  }

  if(cpu_percentage > 0) {
    if(cpu_percentage > 99) cpu_percentage = 99;
    pfring_config(cpu_percentage);
  }

  signal(SIGINT, sigproc);
  signal(SIGTERM, sigproc);
  signal(SIGINT, sigproc);

  if(!verbose) {
    signal(SIGALRM, my_sigalarm);
    alarm(ALARM_SLEEP);
  }

  for(i=0; i<num_channels; i++) {
    pthread_join(pd_thread[i], NULL);
    pfring_close(ring[i]);
  }

  return(0);
}
Example #5
0
int
main(int argc, char **argv)
{
	register int cnt, op, i;
	bpf_u_int32 localnet, netmask;
	register char *cp, *infile, *cmdbuf, *device, *RFileName, *WFileName;
	pcap_handler printer;
	struct bpf_program fcode;
	RETSIGTYPE (*oldhandler)(int);
	u_char *pcap_userdata;
	char ebuf[PCAP_ERRBUF_SIZE];

	cnt = -1;
	device = NULL;
	infile = NULL;
	RFileName = NULL;
	WFileName = NULL;
	if ((cp = strrchr(argv[0], '/')) != NULL)
		program_name = cp + 1;
	else
		program_name = argv[0];

	if (abort_on_misalignment(ebuf) < 0)
		error("%s", ebuf);

	opterr = 0;
	while (
	    (op = getopt(argc, argv, "ac:defF:i:lnNOpqr:s:StT:vw:xY")) != EOF)
		switch (op) {

		case 'a':
			++aflag;
			break;

		case 'c':
			cnt = atoi(optarg);
			if (cnt <= 0)
				error("invalid packet count %s", optarg);
			break;

		case 'd':
			++dflag;
			break;

		case 'e':
			++eflag;
			break;

		case 'f':
			++fflag;
			break;

		case 'F':
			infile = optarg;
			break;

		case 'i':
			device = optarg;
			break;

		case 'l':
#ifdef HAVE_SETLINEBUF
			setlinebuf(stdout);
#else
			setvbuf(stdout, NULL, _IOLBF, 0);
#endif
			break;

		case 'n':
			++nflag;
			break;

		case 'N':
			++Nflag;
			break;

		case 'O':
			Oflag = 0;
			break;

		case 'p':
			++pflag;
			break;

		case 'q':
			++qflag;
			break;

		case 'r':
			RFileName = optarg;
			break;

		case 's':
			snaplen = atoi(optarg);
			if (snaplen <= 0)
				error("invalid snaplen %s", optarg);
			break;

		case 'S':
			++Sflag;
			break;

		case 't':
			--tflag;
			break;

		case 'T':
			if (strcasecmp(optarg, "vat") == 0)
				packettype = PT_VAT;
			else if (strcasecmp(optarg, "wb") == 0)
				packettype = PT_WB;
			else if (strcasecmp(optarg, "rpc") == 0)
				packettype = PT_RPC;
			else if (strcasecmp(optarg, "rtp") == 0)
				packettype = PT_RTP;
			else if (strcasecmp(optarg, "rtcp") == 0)
				packettype = PT_RTCP;
			else
				error("unknown packet type `%s'", optarg);
			break;

		case 'v':
			++vflag;
			break;

		case 'w':
			WFileName = optarg;
			break;
#ifdef YYDEBUG
		case 'Y':
			{
			/* Undocumented flag */
			extern int yydebug;
			yydebug = 1;
			}
			break;
#endif
		case 'x':
			++xflag;
			break;

		default:
			usage();
			/* NOTREACHED */
		}

	if (aflag && nflag)
		error("-a and -n options are incompatible");

	if (tflag > 0)
		thiszone = gmt2local(0);

	if (RFileName != NULL) {
		/*
		 * We don't need network access, so set it back to the user id.
		 * Also, this prevents the user from reading anyone's
		 * trace file.
		 */
		setuid(getuid());

		pd = pcap_open_offline(RFileName, ebuf);
		if (pd == NULL)
			error("%s", ebuf);
		localnet = 0;
		netmask = 0;
		if (fflag != 0)
			error("-f and -r options are incompatible");
	} else {
		if (device == NULL) {
			device = pcap_lookupdev(ebuf);
			if (device == NULL)
				error("%s", ebuf);
		}
		pd = pcap_open_live(device, snaplen, !pflag, 1000, ebuf);
		if (pd == NULL)
			error("%s", ebuf);
		i = pcap_snapshot(pd);
		if (snaplen < i) {
			warning("snaplen raised from %d to %d", snaplen, i);
			snaplen = i;
		}
		if (pcap_lookupnet(device, &localnet, &netmask, ebuf) < 0) {
			localnet = 0;
			netmask = 0;
			warning("%s", ebuf);
		}
		/*
		 * Let user own process after socket has been opened.
		 */
		setuid(getuid());
	}
	if (infile)
		cmdbuf = read_infile(infile);
	else
		cmdbuf = copy_argv(&argv[optind]);

	if (pcap_compile(pd, &fcode, cmdbuf, Oflag, netmask) < 0)
		error("%s", pcap_geterr(pd));
	if (dflag) {
		bpf_dump(&fcode, dflag);
		exit(0);
	}
	init_addrtoname(localnet, netmask);

	(void)setsignal(SIGTERM, cleanup);
	(void)setsignal(SIGINT, cleanup);
	/* Cooperate with nohup(1) */
	if ((oldhandler = setsignal(SIGHUP, cleanup)) != SIG_DFL)
		(void)setsignal(SIGHUP, oldhandler);

	if (pcap_setfilter(pd, &fcode) < 0)
		error("%s", pcap_geterr(pd));
	if (WFileName) {
		pcap_dumper_t *p = pcap_dump_open(pd, WFileName);
		if (p == NULL)
			error("%s", pcap_geterr(pd));
		printer = pcap_dump;
		pcap_userdata = (u_char *)p;
	} else {
		printer = lookup_printer(pcap_datalink(pd));
		pcap_userdata = 0;
	}
	if (RFileName == NULL) {
		(void)fprintf(stderr, "%s: listening on %s\n",
		    program_name, device);
		(void)fflush(stderr);
	}
	if (pcap_loop(pd, cnt, printer, pcap_userdata) < 0) {
		(void)fprintf(stderr, "%s: pcap_loop: %s\n",
		    program_name, pcap_geterr(pd));
		exit(1);
	}
	pcap_close(pd);
	exit(0);
}