1 /* $OpenBSD: if.c,v 1.26 2019/06/28 13:32:44 deraadt Exp $ */
2 /* $EOM: if.c,v 1.12 1999/10/01 13:45:20 niklas Exp $ */
3
4 /*
5 * Copyright (c) 1998, 1999 Niklas Hallqvist. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 /*
29 * This code was written under funding by Ericsson Radio Systems.
30 */
31
32 #include <sys/ioctl.h>
33 #include <sys/types.h>
34 #include <sys/socket.h>
35 #include <net/if.h>
36 #include <stdlib.h>
37 #include <unistd.h>
38 #include <ifaddrs.h>
39
40 #include "log.h"
41 #include "monitor.h"
42 #include "if.h"
43
44 int
if_map(int (* func)(char *,struct sockaddr *,void *),void * arg)45 if_map(int (*func)(char *, struct sockaddr *, void *), void *arg)
46 {
47 int err = 0;
48
49 struct ifaddrs *ifap, *ifa;
50
51 if (getifaddrs(&ifap) == -1)
52 return -1;
53
54 for (ifa = ifap; ifa; ifa = ifa->ifa_next)
55 if ((*func)(ifa->ifa_name, ifa->ifa_addr, arg) == -1)
56 err = -1;
57 freeifaddrs(ifap);
58 return err;
59 }
60