718 lines
19 KiB
C
718 lines
19 KiB
C
/*-
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* Copyright (c) 1998 Brian Somers <brian@Awfulhak.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <net/if.h>
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#include <net/if_dl.h>
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#ifdef __FreeBSD__
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#include <net/if_var.h>
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#endif
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#include <net/route.h>
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#include <arpa/inet.h>
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#include <netinet/in_systm.h>
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#include <netinet/in_var.h>
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#include <netinet/ip.h>
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#ifndef NOINET6
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#include <netinet6/nd6.h>
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#endif
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#include <sys/un.h>
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#include <errno.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/ioctl.h>
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#include <sys/sysctl.h>
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#include <termios.h>
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#include <unistd.h>
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#include "layer.h"
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#include "defs.h"
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#include "command.h"
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#include "mbuf.h"
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#include "log.h"
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#include "id.h"
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#include "timer.h"
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#include "fsm.h"
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#include "iplist.h"
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#include "lqr.h"
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#include "hdlc.h"
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#include "throughput.h"
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#include "slcompress.h"
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#include "descriptor.h"
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#include "ncpaddr.h"
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#include "ip.h"
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#include "ipcp.h"
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#include "filter.h"
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#include "lcp.h"
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#include "ccp.h"
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#include "link.h"
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#include "mp.h"
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#ifndef NORADIUS
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#include "radius.h"
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#endif
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#include "ipv6cp.h"
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#include "ncp.h"
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#include "bundle.h"
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#include "prompt.h"
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#include "iface.h"
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struct iface *
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iface_Create(const char *name)
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{
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int mib[6], maxtries, err;
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size_t needed, namelen;
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char *buf, *ptr, *end;
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struct if_msghdr *ifm;
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struct ifa_msghdr *ifam;
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struct sockaddr_dl *dl;
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struct sockaddr *sa[RTAX_MAX];
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struct iface *iface;
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struct iface_addr *addr;
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mib[0] = CTL_NET;
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mib[1] = PF_ROUTE;
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mib[2] = 0;
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mib[3] = 0;
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mib[4] = NET_RT_IFLIST;
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mib[5] = 0;
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maxtries = 20;
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err = 0;
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do {
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if (maxtries-- == 0 || (err && err != ENOMEM)) {
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fprintf(stderr, "iface_Create: sysctl: %s\n", strerror(err));
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return NULL;
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}
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if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) {
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fprintf(stderr, "iface_Create: sysctl: estimate: %s\n",
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strerror(errno));
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return NULL;
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}
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if ((buf = (char *)malloc(needed)) == NULL) {
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fprintf(stderr, "iface_Create: malloc failed: %s\n", strerror(errno));
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return NULL;
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}
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if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) {
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err = errno;
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free(buf);
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buf = NULL;
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}
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} while (buf == NULL);
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ptr = buf;
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end = buf + needed;
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iface = NULL;
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namelen = strlen(name);
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while (ptr < end && iface == NULL) {
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ifm = (struct if_msghdr *)ptr; /* On if_msghdr */
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if (ifm->ifm_type != RTM_IFINFO)
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break;
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dl = (struct sockaddr_dl *)(ifm + 1); /* Single _dl at end */
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if (dl->sdl_nlen == namelen && !strncmp(name, dl->sdl_data, namelen)) {
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iface = (struct iface *)malloc(sizeof *iface);
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if (iface == NULL) {
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fprintf(stderr, "iface_Create: malloc: %s\n", strerror(errno));
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return NULL;
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}
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iface->name = strdup(name);
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iface->index = ifm->ifm_index;
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iface->flags = ifm->ifm_flags;
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iface->mtu = 0;
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iface->addrs = 0;
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iface->addr = NULL;
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}
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ptr += ifm->ifm_msglen; /* First ifa_msghdr */
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for (; ptr < end; ptr += ifam->ifam_msglen) {
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ifam = (struct ifa_msghdr *)ptr; /* Next if address */
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if (ifam->ifam_type != RTM_NEWADDR) /* finished this if */
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break;
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if (iface != NULL && ifam->ifam_addrs & RTA_IFA) {
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/* Found a configured interface ! */
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iface_ParseHdr(ifam, sa);
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if (sa[RTAX_IFA] && (sa[RTAX_IFA]->sa_family == AF_INET
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#ifndef NOINET6
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|| sa[RTAX_IFA]->sa_family == AF_INET6
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#endif
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)) {
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/* Record the address */
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addr = (struct iface_addr *)
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realloc(iface->addr, (iface->addrs + 1) * sizeof iface->addr[0]);
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if (addr == NULL)
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break;
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iface->addr = addr;
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addr += iface->addrs;
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iface->addrs++;
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ncprange_setsa(&addr->ifa, sa[RTAX_IFA], sa[RTAX_NETMASK]);
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if (sa[RTAX_BRD])
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ncpaddr_setsa(&addr->peer, sa[RTAX_BRD]);
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else
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ncpaddr_init(&addr->peer);
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}
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}
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}
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}
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free(buf);
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return iface;
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}
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static int
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iface_addr_Zap(const char *name, struct iface_addr *addr, int s)
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{
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struct ifaliasreq ifra;
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#ifndef NOINET6
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struct in6_aliasreq ifra6;
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#endif
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struct sockaddr_in *me4, *msk4, *peer4;
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struct sockaddr_storage ssme, sspeer, ssmsk;
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int res;
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ncprange_getsa(&addr->ifa, &ssme, &ssmsk);
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ncpaddr_getsa(&addr->peer, &sspeer);
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res = 0;
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switch (ncprange_family(&addr->ifa)) {
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case AF_INET:
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memset(&ifra, '\0', sizeof ifra);
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strncpy(ifra.ifra_name, name, sizeof ifra.ifra_name - 1);
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me4 = (struct sockaddr_in *)&ifra.ifra_addr;
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memcpy(me4, &ssme, sizeof *me4);
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msk4 = (struct sockaddr_in *)&ifra.ifra_mask;
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memcpy(msk4, &ssmsk, sizeof *msk4);
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peer4 = (struct sockaddr_in *)&ifra.ifra_broadaddr;
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if (ncpaddr_family(&addr->peer) == AF_UNSPEC) {
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peer4->sin_family = AF_INET;
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peer4->sin_len = sizeof(*peer4);
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peer4->sin_addr.s_addr = INADDR_NONE;
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} else
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memcpy(peer4, &sspeer, sizeof *peer4);
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res = ID0ioctl(s, SIOCDIFADDR, &ifra);
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if (log_IsKept(LogDEBUG)) {
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char buf[100];
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snprintf(buf, sizeof buf, "%s", ncprange_ntoa(&addr->ifa));
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log_Printf(LogWARN, "%s: DIFADDR %s -> %s returns %d\n",
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ifra.ifra_name, buf, ncpaddr_ntoa(&addr->peer), res);
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}
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break;
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#ifndef NOINET6
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case AF_INET6:
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memset(&ifra6, '\0', sizeof ifra6);
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strncpy(ifra6.ifra_name, name, sizeof ifra6.ifra_name - 1);
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memcpy(&ifra6.ifra_addr, &ssme, sizeof ifra6.ifra_addr);
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memcpy(&ifra6.ifra_prefixmask, &ssmsk, sizeof ifra6.ifra_prefixmask);
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ifra6.ifra_prefixmask.sin6_family = AF_UNSPEC;
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if (ncpaddr_family(&addr->peer) == AF_UNSPEC)
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ifra6.ifra_dstaddr.sin6_family = AF_UNSPEC;
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else
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memcpy(&ifra6.ifra_dstaddr, &sspeer, sizeof ifra6.ifra_dstaddr);
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ifra6.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME;
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ifra6.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME;
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res = ID0ioctl(s, SIOCDIFADDR_IN6, &ifra6);
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break;
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#endif
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}
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if (res == -1) {
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char dst[40];
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const char *end =
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#ifndef NOINET6
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ncprange_family(&addr->ifa) == AF_INET6 ? "_IN6" :
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#endif
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"";
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if (ncpaddr_family(&addr->peer) == AF_UNSPEC)
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log_Printf(LogWARN, "iface rm: ioctl(SIOCDIFADDR%s, %s): %s\n",
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end, ncprange_ntoa(&addr->ifa), strerror(errno));
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else {
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snprintf(dst, sizeof dst, "%s", ncpaddr_ntoa(&addr->peer));
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log_Printf(LogWARN, "iface rm: ioctl(SIOCDIFADDR%s, %s -> %s): %s\n",
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end, ncprange_ntoa(&addr->ifa), dst, strerror(errno));
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}
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}
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return res != -1;
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}
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static int
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iface_addr_Add(const char *name, struct iface_addr *addr, int s)
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{
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struct ifaliasreq ifra;
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#ifndef NOINET6
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struct in6_aliasreq ifra6;
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#endif
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struct sockaddr_in *me4, *msk4, *peer4;
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struct sockaddr_storage ssme, sspeer, ssmsk;
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int res;
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ncprange_getsa(&addr->ifa, &ssme, &ssmsk);
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ncpaddr_getsa(&addr->peer, &sspeer);
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res = 0;
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switch (ncprange_family(&addr->ifa)) {
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case AF_INET:
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memset(&ifra, '\0', sizeof ifra);
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strncpy(ifra.ifra_name, name, sizeof ifra.ifra_name - 1);
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me4 = (struct sockaddr_in *)&ifra.ifra_addr;
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memcpy(me4, &ssme, sizeof *me4);
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msk4 = (struct sockaddr_in *)&ifra.ifra_mask;
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memcpy(msk4, &ssmsk, sizeof *msk4);
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peer4 = (struct sockaddr_in *)&ifra.ifra_broadaddr;
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if (ncpaddr_family(&addr->peer) == AF_UNSPEC) {
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peer4->sin_family = AF_INET;
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peer4->sin_len = sizeof(*peer4);
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peer4->sin_addr.s_addr = INADDR_NONE;
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} else
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memcpy(peer4, &sspeer, sizeof *peer4);
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res = ID0ioctl(s, SIOCAIFADDR, &ifra);
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if (log_IsKept(LogDEBUG)) {
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char buf[100];
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snprintf(buf, sizeof buf, "%s", ncprange_ntoa(&addr->ifa));
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log_Printf(LogWARN, "%s: AIFADDR %s -> %s returns %d\n",
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ifra.ifra_name, buf, ncpaddr_ntoa(&addr->peer), res);
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}
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break;
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#ifndef NOINET6
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case AF_INET6:
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memset(&ifra6, '\0', sizeof ifra6);
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strncpy(ifra6.ifra_name, name, sizeof ifra6.ifra_name - 1);
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memcpy(&ifra6.ifra_addr, &ssme, sizeof ifra6.ifra_addr);
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memcpy(&ifra6.ifra_prefixmask, &ssmsk, sizeof ifra6.ifra_prefixmask);
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if (ncpaddr_family(&addr->peer) == AF_UNSPEC)
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ifra6.ifra_dstaddr.sin6_family = AF_UNSPEC;
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else
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memcpy(&ifra6.ifra_dstaddr, &sspeer, sizeof ifra6.ifra_dstaddr);
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ifra6.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME;
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ifra6.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME;
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res = ID0ioctl(s, SIOCAIFADDR_IN6, &ifra6);
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break;
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#endif
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}
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if (res == -1) {
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char dst[40];
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const char *end =
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#ifndef NOINET6
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ncprange_family(&addr->ifa) == AF_INET6 ? "_IN6" :
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#endif
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"";
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if (ncpaddr_family(&addr->peer) == AF_UNSPEC)
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log_Printf(LogWARN, "iface add: ioctl(SIOCAIFADDR%s, %s): %s\n",
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end, ncprange_ntoa(&addr->ifa), strerror(errno));
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else {
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snprintf(dst, sizeof dst, "%s", ncpaddr_ntoa(&addr->peer));
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log_Printf(LogWARN, "iface add: ioctl(SIOCAIFADDR%s, %s -> %s): %s\n",
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end, ncprange_ntoa(&addr->ifa), dst, strerror(errno));
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}
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}
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return res != -1;
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}
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void
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iface_Clear(struct iface *iface, struct ncp *ncp, int family, int how)
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{
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int addrs, af, inskip, in6skip, n, s4 = -1, s6 = -1, *s;
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if (iface->addrs) {
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inskip = in6skip = how == IFACE_CLEAR_ALL ? 0 : 1;
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addrs = 0;
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for (n = 0; n < iface->addrs; n++) {
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af = ncprange_family(&iface->addr[n].ifa);
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if (family == 0 || family == af) {
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if (!iface->addr[n].system && (how & IFACE_SYSTEM))
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continue;
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switch (af) {
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case AF_INET:
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if (inskip) {
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inskip = 0;
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continue;
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}
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s = &s4;
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break;
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#ifndef NOINET6
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case AF_INET6:
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if (in6skip) {
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in6skip = 0;
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continue;
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}
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s = &s6;
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break;
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#endif
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default:
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continue;
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}
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if (*s == -1 && (*s = ID0socket(af, SOCK_DGRAM, 0)) == -1)
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log_Printf(LogERROR, "iface_Clear: socket(): %s\n", strerror(errno));
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else if (iface_addr_Zap(iface->name, iface->addr + n, *s)) {
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ncp_IfaceAddrDeleted(ncp, iface->addr + n);
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bcopy(iface->addr + n + 1, iface->addr + n,
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(iface->addrs - n - 1) * sizeof *iface->addr);
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iface->addrs--;
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n--;
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}
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}
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}
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/* Don't bother realloc()ing - we have little to gain */
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if (s4)
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close(s4);
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if (s6)
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close(s6);
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}
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}
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int
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iface_Add(struct iface *iface, struct ncp *ncp, const struct ncprange *ifa,
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const struct ncpaddr *peer, int how)
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{
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int af, n, removed, s, width;
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struct ncpaddr ncplocal;
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struct iface_addr *addr, newaddr;
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af = ncprange_family(ifa);
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if ((s = ID0socket(af, SOCK_DGRAM, 0)) == -1) {
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log_Printf(LogERROR, "iface_Add: socket(): %s\n", strerror(errno));
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return 0;
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}
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ncprange_getaddr(ifa, &ncplocal);
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for (n = 0; n < iface->addrs; n++) {
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if (ncprange_contains(&iface->addr[n].ifa, &ncplocal) ||
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ncpaddr_equal(&iface->addr[n].peer, peer)) {
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/* Replace this sockaddr */
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if (!(how & IFACE_FORCE_ADD)) {
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close(s);
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return 0; /* errno = EEXIST; */
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}
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if (ncprange_equal(&iface->addr[n].ifa, ifa) &&
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ncpaddr_equal(&iface->addr[n].peer, peer)) {
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close(s);
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return 1; /* Already there */
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}
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width =
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#ifndef NOINET6
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(af == AF_INET6) ? 128 :
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#endif
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32;
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removed = iface_addr_Zap(iface->name, iface->addr + n, s);
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if (removed)
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ncp_IfaceAddrDeleted(ncp, iface->addr + n);
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ncprange_copy(&iface->addr[n].ifa, ifa);
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ncpaddr_copy(&iface->addr[n].peer, peer);
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if (!iface_addr_Add(iface->name, iface->addr + n, s)) {
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if (removed) {
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bcopy(iface->addr + n + 1, iface->addr + n,
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(iface->addrs - n - 1) * sizeof *iface->addr);
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iface->addrs--;
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n--;
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}
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close(s);
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return 0;
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}
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close(s);
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ncp_IfaceAddrAdded(ncp, iface->addr + n);
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return 1;
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}
|
|
}
|
|
|
|
addr = (struct iface_addr *)realloc
|
|
(iface->addr, (iface->addrs + 1) * sizeof iface->addr[0]);
|
|
if (addr == NULL) {
|
|
log_Printf(LogERROR, "iface_inAdd: realloc: %s\n", strerror(errno));
|
|
close(s);
|
|
return 0;
|
|
}
|
|
iface->addr = addr;
|
|
|
|
ncprange_copy(&newaddr.ifa, ifa);
|
|
ncpaddr_copy(&newaddr.peer, peer);
|
|
newaddr.system = !!(how & IFACE_SYSTEM);
|
|
if (!iface_addr_Add(iface->name, &newaddr, s)) {
|
|
close(s);
|
|
return 0;
|
|
}
|
|
|
|
if (how & IFACE_ADD_FIRST) {
|
|
/* Stuff it at the start of our list */
|
|
n = 0;
|
|
bcopy(iface->addr, iface->addr + 1, iface->addrs * sizeof *iface->addr);
|
|
} else
|
|
n = iface->addrs;
|
|
|
|
iface->addrs++;
|
|
memcpy(iface->addr + n, &newaddr, sizeof(*iface->addr));
|
|
|
|
close(s);
|
|
ncp_IfaceAddrAdded(ncp, iface->addr + n);
|
|
|
|
return 1;
|
|
}
|
|
|
|
int
|
|
iface_Delete(struct iface *iface, struct ncp *ncp, const struct ncpaddr *del)
|
|
{
|
|
struct ncpaddr found;
|
|
int n, res, s;
|
|
|
|
if ((s = ID0socket(ncpaddr_family(del), SOCK_DGRAM, 0)) == -1) {
|
|
log_Printf(LogERROR, "iface_Delete: socket(): %s\n", strerror(errno));
|
|
return 0;
|
|
}
|
|
|
|
for (n = res = 0; n < iface->addrs; n++) {
|
|
ncprange_getaddr(&iface->addr[n].ifa, &found);
|
|
if (ncpaddr_equal(&found, del)) {
|
|
if (iface_addr_Zap(iface->name, iface->addr + n, s)) {
|
|
ncp_IfaceAddrDeleted(ncp, iface->addr + n);
|
|
bcopy(iface->addr + n + 1, iface->addr + n,
|
|
(iface->addrs - n - 1) * sizeof *iface->addr);
|
|
iface->addrs--;
|
|
res = 1;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
close(s);
|
|
|
|
return res;
|
|
}
|
|
|
|
#define IFACE_ADDFLAGS 1
|
|
#define IFACE_DELFLAGS 2
|
|
|
|
static int
|
|
iface_ChangeFlags(const char *ifname, int flags, int how)
|
|
{
|
|
struct ifreq ifrq;
|
|
int s;
|
|
|
|
s = ID0socket(PF_INET, SOCK_DGRAM, 0);
|
|
if (s < 0) {
|
|
log_Printf(LogERROR, "iface_ChangeFlags: socket: %s\n", strerror(errno));
|
|
return 0;
|
|
}
|
|
|
|
memset(&ifrq, '\0', sizeof ifrq);
|
|
strncpy(ifrq.ifr_name, ifname, sizeof ifrq.ifr_name - 1);
|
|
ifrq.ifr_name[sizeof ifrq.ifr_name - 1] = '\0';
|
|
if (ID0ioctl(s, SIOCGIFFLAGS, &ifrq) < 0) {
|
|
log_Printf(LogERROR, "iface_ChangeFlags: ioctl(SIOCGIFFLAGS): %s\n",
|
|
strerror(errno));
|
|
close(s);
|
|
return 0;
|
|
}
|
|
|
|
if (how == IFACE_ADDFLAGS)
|
|
ifrq.ifr_flags |= flags;
|
|
else
|
|
ifrq.ifr_flags &= ~flags;
|
|
|
|
if (ID0ioctl(s, SIOCSIFFLAGS, &ifrq) < 0) {
|
|
log_Printf(LogERROR, "iface_ChangeFlags: ioctl(SIOCSIFFLAGS): %s\n",
|
|
strerror(errno));
|
|
close(s);
|
|
return 0;
|
|
}
|
|
close(s);
|
|
|
|
return 1; /* Success */
|
|
}
|
|
|
|
int
|
|
iface_SetFlags(const char *ifname, int flags)
|
|
{
|
|
return iface_ChangeFlags(ifname, flags, IFACE_ADDFLAGS);
|
|
}
|
|
|
|
int
|
|
iface_ClearFlags(const char *ifname, int flags)
|
|
{
|
|
return iface_ChangeFlags(ifname, flags, IFACE_DELFLAGS);
|
|
}
|
|
|
|
void
|
|
iface_Destroy(struct iface *iface)
|
|
{
|
|
/*
|
|
* iface_Clear(iface, IFACE_CLEAR_ALL) must be called manually
|
|
* if that's what the user wants. It's better to leave the interface
|
|
* allocated so that existing connections can continue to work.
|
|
*/
|
|
|
|
if (iface != NULL) {
|
|
free(iface->name);
|
|
free(iface->addr);
|
|
free(iface);
|
|
}
|
|
}
|
|
|
|
#define if_entry(x) { IFF_##x, #x }
|
|
|
|
struct {
|
|
int flag;
|
|
const char *value;
|
|
} if_flags[] = {
|
|
if_entry(UP),
|
|
if_entry(BROADCAST),
|
|
if_entry(DEBUG),
|
|
if_entry(LOOPBACK),
|
|
if_entry(POINTOPOINT),
|
|
if_entry(RUNNING),
|
|
if_entry(NOARP),
|
|
if_entry(PROMISC),
|
|
if_entry(ALLMULTI),
|
|
if_entry(OACTIVE),
|
|
if_entry(SIMPLEX),
|
|
if_entry(LINK0),
|
|
if_entry(LINK1),
|
|
if_entry(LINK2),
|
|
if_entry(MULTICAST),
|
|
{ 0, "???" }
|
|
};
|
|
|
|
int
|
|
iface_Show(struct cmdargs const *arg)
|
|
{
|
|
struct ncpaddr ncpaddr;
|
|
struct iface *iface = arg->bundle->iface, *current;
|
|
int f, flags;
|
|
#ifndef NOINET6
|
|
int scopeid, width;
|
|
#endif
|
|
struct in_addr mask;
|
|
|
|
current = iface_Create(iface->name);
|
|
flags = iface->flags = current->flags;
|
|
iface_Destroy(current);
|
|
|
|
prompt_Printf(arg->prompt, "%s (idx %d) <", iface->name, iface->index);
|
|
for (f = 0; f < sizeof if_flags / sizeof if_flags[0]; f++)
|
|
if ((if_flags[f].flag & flags)) {
|
|
prompt_Printf(arg->prompt, "%s%s", flags == iface->flags ? "" : ",",
|
|
if_flags[f].value);
|
|
flags &= ~if_flags[f].flag;
|
|
}
|
|
|
|
#if 0
|
|
if (flags)
|
|
prompt_Printf(arg->prompt, "%s0x%x", flags == iface->flags ? "" : ",",
|
|
flags);
|
|
#endif
|
|
|
|
prompt_Printf(arg->prompt, "> mtu %d has %d address%s:\n", iface->mtu,
|
|
iface->addrs, iface->addrs == 1 ? "" : "es");
|
|
|
|
for (f = 0; f < iface->addrs; f++) {
|
|
ncprange_getaddr(&iface->addr[f].ifa, &ncpaddr);
|
|
switch (ncprange_family(&iface->addr[f].ifa)) {
|
|
case AF_INET:
|
|
prompt_Printf(arg->prompt, " inet %s --> ", ncpaddr_ntoa(&ncpaddr));
|
|
if (ncpaddr_family(&iface->addr[f].peer) == AF_UNSPEC)
|
|
prompt_Printf(arg->prompt, "255.255.255.255");
|
|
else
|
|
prompt_Printf(arg->prompt, "%s", ncpaddr_ntoa(&iface->addr[f].peer));
|
|
ncprange_getip4mask(&iface->addr[f].ifa, &mask);
|
|
prompt_Printf(arg->prompt, " netmask 0x%08lx", (long)ntohl(mask.s_addr));
|
|
break;
|
|
|
|
#ifndef NOINET6
|
|
case AF_INET6:
|
|
prompt_Printf(arg->prompt, " inet6 %s", ncpaddr_ntoa(&ncpaddr));
|
|
if (ncpaddr_family(&iface->addr[f].peer) != AF_UNSPEC)
|
|
prompt_Printf(arg->prompt, " --> %s",
|
|
ncpaddr_ntoa(&iface->addr[f].peer));
|
|
ncprange_getwidth(&iface->addr[f].ifa, &width);
|
|
if (ncpaddr_family(&iface->addr[f].peer) == AF_UNSPEC)
|
|
prompt_Printf(arg->prompt, " prefixlen %d", width);
|
|
if ((scopeid = ncprange_scopeid(&iface->addr[f].ifa)) != -1)
|
|
prompt_Printf(arg->prompt, " scopeid 0x%x", (unsigned)scopeid);
|
|
break;
|
|
#endif
|
|
}
|
|
prompt_Printf(arg->prompt, "\n");
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
iface_ParseHdr(struct ifa_msghdr *ifam, struct sockaddr *sa[RTAX_MAX])
|
|
{
|
|
char *wp;
|
|
int rtax;
|
|
|
|
wp = (char *)(ifam + 1);
|
|
|
|
for (rtax = 0; rtax < RTAX_MAX; rtax++)
|
|
if (ifam->ifam_addrs & (1 << rtax)) {
|
|
sa[rtax] = (struct sockaddr *)wp;
|
|
wp += ROUNDUP(sa[rtax]->sa_len);
|
|
} else
|
|
sa[rtax] = NULL;
|
|
}
|