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 
pcap_findalldevs_interfaces(pcap_if_t ** alldevsp,char * errbuf)40 int pcap_findalldevs_interfaces(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 }
62