flow-header.c

netflow,抓包

/*
 * Copyright (c) 2001 Mark Fullmer and The Ohio State University
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *      $Id: flow-header.c,v 1.9 2003/04/02 18:03:02 maf Exp $
 */

#include "ftconfig.h"
#include "ftbuild.h"
#include <ftlib.h>

#include <stdio.h>
#include <stdlib.h>

void usage(void);

int main(int argc, char **argv)
{
  struct ftio ftio;
  char cc; /* comment character */
  int i, debug;

  /* init fterr */
  fterr_setid(argv[0]);

  debug = 0;

  cc = '#';

  while ((i = getopt(argc, argv, "c:d:h?")) != -1)
    switch (i) {

    case 'c': /* comment character */
      cc = optarg[0];
      break;

    case 'd': /* debug */
      debug = atoi(optarg);
      break;

    case 'h': /* help */
    case '?':
      usage();
      exit (0);
      break;

    default:
      usage();
      exit (1);
      break;

    } /* switch */

  if (argc - optind)
    fterr_errx(1, "Extra arguments starting with %s.", argv[optind]);

  /* read from stdin */
  if (ftio_init(&ftio, 0, FT_IO_FLAG_READ) < 0)
    fterr_errx(1, "ftio_init(): failed");

  ftio_header_print(&ftio, stdout, cc);

  return ftio_close(&ftio);

} /* main */

void usage(void) {

  fprintf(stderr, "Usage: flow-header [-h] [-c comment_char] [-d debug_level]\n");
  fprintf(stderr, "\n%s version %s: built by %s\n", PACKAGE, VERSION, FT_PROG_BUILD);

} /* usage */