1 /* $OpenBSD: if.c,v 1.25 2005/04/08 22:32:10 cloder 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 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) < 0) 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