release/src/router/libpcap/fad-sita.c

   1 /*
   2  *  fad-sita.c: Packet capture interface additions for SITA ACN devices
   3  *
   4  *  Copyright (c) 2007 Fulko Hew, SITA INC Canada, Inc <fulko.hew@sita.aero>
   5  *
   6  *  License: BSD
   7  *
   8  *  Redistribution and use in source and binary forms, with or without
   9  *  modification, are permitted provided that the following conditions
  10  *  are met:
  11  *
  12  *  1. Redistributions of source code must retain the above copyright
  13  *     notice, this list of conditions and the following disclaimer.
  14  *  2. Redistributions in binary form must reproduce the above copyright
  15  *     notice, this list of conditions and the following disclaimer in
  16  *     the documentation and/or other materials provided with the
  17  *     distribution.
  18  *  3. The names of the authors may not be used to endorse or promote
  19  *     products derived from this software without specific prior
  20  *     written permission.
  21  *
  22  *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
  23  *  IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  24  *  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  25  */
  26
  27  /* $Id: fad-sita.c */
  28
  29 #ifdef HAVE_CONFIG_H
  30 #include "config.h"
  31 #endif
  32
  33 #include <string.h>
  34 #include "pcap-int.h"
  35
  36 #include "pcap-sita.h"
  37
  38 extern pcap_if_t        *acn_if_list;                                                           /* pcap's list of available interfaces */
  39
  40 int pcap_findalldevs(pcap_if_t **alldevsp, char *errbuf) {
  41
  42         //printf("pcap_findalldevs()\n");                               // fulko
  43
  44         *alldevsp = 0;                                                                                          /* initialize the returned variables before we do anything */
  45         strcpy(errbuf, "");
  46         if (acn_parse_hosts_file(errbuf))                                                       /* scan the hosts file for potential IOPs */
  47                 {
  48                 //printf("pcap_findalldevs() returning BAD after parsehosts\n");                                // fulko
  49                 return -1;
  50                 }
  51         //printf("pcap_findalldevs() got hostlist now finding devs\n");                         // fulko
  52         if (acn_findalldevs(errbuf))                                                            /* then ask the IOPs for their monitorable devices */
  53                 {
  54                 //printf("pcap_findalldevs() returning BAD after findalldevs\n");                               // fulko
  55                 return -1;
  56                 }
  57         *alldevsp = acn_if_list;
  58         acn_if_list = 0;                                                                                        /* then forget our list head, because someone will call pcap_freealldevs() to empty the malloc'ed stuff */
  59         //printf("pcap_findalldevs() returning ZERO OK\n");                             // fulko
  60         return 0;
  61 }