diff options
Diffstat (limited to 'keyexchange/isakmpd-20041012/if.c')
| -rw-r--r-- | keyexchange/isakmpd-20041012/if.c | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/keyexchange/isakmpd-20041012/if.c b/keyexchange/isakmpd-20041012/if.c deleted file mode 100644 index b9cf927..0000000 --- a/keyexchange/isakmpd-20041012/if.c +++ /dev/null @@ -1,152 +0,0 @@ -/* $OpenBSD: if.c,v 1.22 2004/06/14 09:55:41 ho Exp $ */ -/* $EOM: if.c,v 1.12 1999/10/01 13:45:20 niklas Exp $ */ - -/* - * Copyright (c) 1998, 1999 Niklas Hallqvist. 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 ``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 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. - */ - -/* - * This code was written under funding by Ericsson Radio Systems. - */ - -#include <sys/ioctl.h> -#include <sys/types.h> -#include <sys/socket.h> -#include <net/if.h> -#include <stdlib.h> -#include <unistd.h> -#ifdef HAVE_GETIFADDRS -#include <ifaddrs.h> -#endif - -#include "sysdep.h" - -#include "log.h" -#include "monitor.h" -#include "if.h" - -#ifndef HAVE_GETIFADDRS -/* XXX Unsafe if either x or y has side-effects. */ -#ifndef MAX -#define MAX(x, y) ((x) > (y) ? (x) : (y)) -#endif - -/* Most boxes has less than 16 interfaces, so this might be a good guess. */ -#define INITIAL_IFREQ_COUNT 16 - -/* - * Get all network interface configurations. - * Return 0 if successful, -1 otherwise. - */ -int -siocgifconf(struct ifconf *ifcp) -{ - caddr_t buf, new_buf; - int s, len; - - /* Get a socket to ask for the network interface configurations. */ - s = socket(AF_INET, SOCK_DGRAM, 0); - if (s == -1) { - log_error("siocgifconf: " - "socket (AF_INET, SOCK_DGRAM, 0) failed"); - return -1; - } - len = sizeof(struct ifreq) * INITIAL_IFREQ_COUNT; - buf = 0; - while (1) { - /* - * Allocate a larger buffer each time around the loop and get - * the network interfaces configurations into it. - */ - new_buf = realloc(buf, len); - if (!new_buf) { - log_error("siocgifconf: realloc (%p, %d) failed", buf, - len); - goto err; - } - ifcp->ifc_len = len; - ifcp->ifc_buf = buf = new_buf; - if (ioctl(s, SIOCGIFCONF, ifcp) == -1) { - log_error("siocgifconf: ioctl (%d, SIOCGIFCONF, ...) " - "failed", s); - goto err; - } - - /* - * If there is place for another ifreq we can be sure that the - * buffer was big enough, otherwise double the size and try - * again. - */ - if (len - ifcp->ifc_len >= sizeof(struct ifreq)) - break; - len *= 2; - } - close(s); - return 0; - -err: - if (buf) - free(buf); - ifcp->ifc_len = 0; - ifcp->ifc_buf = 0; - close(s); - return -1; -} -#endif - -int -if_map(int (*func)(char *, struct sockaddr *, void *), void *arg) -{ - int err = 0; - -#ifdef HAVE_GETIFADDRS - struct ifaddrs *ifap, *ifa; - - if (getifaddrs(&ifap) < 0) - return -1; - - for (ifa = ifap; ifa; ifa = ifa->ifa_next) - if ((*func)(ifa->ifa_name, ifa->ifa_addr, arg) == -1) - err = -1; - freeifaddrs(ifap); -#else - struct ifconf ifc; - struct ifreq *ifrp; - caddr_t limit, p; - size_t len; - - if (siocgifconf(&ifc)) - return -1; - - limit = ifc.ifc_buf + ifc.ifc_len; - for (p = ifc.ifc_buf; p < limit; p += len) { - ifrp = (struct ifreq *)p; - if ((*func)(ifrp->ifr_name, &ifrp->ifr_addr, arg) == -1) - err = -1; - len = sizeof ifrp->ifr_name + - MAX(sysdep_sa_len(&ifrp->ifr_addr), sizeof ifrp->ifr_addr); - } - free(ifc.ifc_buf); -#endif - return err; -} |