628 lines
17 KiB
C
628 lines
17 KiB
C
/* $NetBSD: ifconfig.c,v 1.34 1997/04/21 01:17:58 lukem Exp $ */
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/* $FreeBSD$ */
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/*
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* Copyright (c) 1997 Jason R. Thorpe.
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the NetBSD Project
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* by Jason R. Thorpe.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* 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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/*
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* Copyright (c) 1983, 1993
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* The Regents of the University of California. 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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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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#include <sys/param.h>
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#include <sys/ioctl.h>
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#include <sys/socket.h>
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#include <sys/sysctl.h>
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#include <sys/time.h>
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#include <net/if.h>
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#include <net/if_dl.h>
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#include <net/if_types.h>
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#include <net/if_media.h>
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#include <net/route.h>
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#include <ctype.h>
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#include <err.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "ifconfig.h"
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static void domediaopt(const char *, int, int);
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static int get_media_subtype(int, const char *);
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static int get_media_options(int, const char *);
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static int lookup_media_word(struct ifmedia_description *, const char *);
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static void print_media_word(int, int);
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static void print_media_word_ifconfig(int);
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static struct ifmedia_description *get_toptype_desc(int);
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static struct ifmedia_type_to_subtype *get_toptype_ttos(int);
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static struct ifmedia_description *get_subtype_desc(int,
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struct ifmedia_type_to_subtype *ttos);
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void
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media_status(int s, struct rt_addrinfo *info __unused)
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{
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struct ifmediareq ifmr;
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int *media_list, i;
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(void) memset(&ifmr, 0, sizeof(ifmr));
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(void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name));
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if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) {
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/*
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* Interface doesn't support SIOC{G,S}IFMEDIA.
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*/
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return;
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}
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if (ifmr.ifm_count == 0) {
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warnx("%s: no media types?", name);
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return;
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}
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media_list = (int *)malloc(ifmr.ifm_count * sizeof(int));
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if (media_list == NULL)
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err(1, "malloc");
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ifmr.ifm_ulist = media_list;
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if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0)
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err(1, "SIOCGIFMEDIA");
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printf("\tmedia: ");
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print_media_word(ifmr.ifm_current, 1);
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if (ifmr.ifm_active != ifmr.ifm_current) {
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putchar(' ');
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putchar('(');
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print_media_word(ifmr.ifm_active, 0);
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putchar(')');
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}
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putchar('\n');
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if (ifmr.ifm_status & IFM_AVALID) {
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printf("\tstatus: ");
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switch (IFM_TYPE(ifmr.ifm_active)) {
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case IFM_ETHER:
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if (ifmr.ifm_status & IFM_ACTIVE)
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printf("active");
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else
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printf("no carrier");
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break;
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case IFM_FDDI:
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case IFM_TOKEN:
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if (ifmr.ifm_status & IFM_ACTIVE)
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printf("inserted");
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else
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printf("no ring");
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break;
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case IFM_IEEE80211:
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/* XXX: Different value for adhoc? */
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if (ifmr.ifm_status & IFM_ACTIVE)
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printf("associated");
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else
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printf("no carrier");
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break;
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}
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putchar('\n');
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}
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if (ifmr.ifm_count > 0 && supmedia) {
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printf("\tsupported media:\n");
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for (i = 0; i < ifmr.ifm_count; i++) {
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printf("\t\t");
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print_media_word_ifconfig(media_list[i]);
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putchar('\n');
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}
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}
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free(media_list);
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}
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void
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setmedia(const char *val, int d, int s, const struct afswtch *afp)
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{
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struct ifmediareq ifmr;
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int first_type, subtype;
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(void) memset(&ifmr, 0, sizeof(ifmr));
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(void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name));
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ifmr.ifm_count = 1;
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ifmr.ifm_ulist = &first_type;
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if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) {
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/*
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* If we get E2BIG, the kernel is telling us
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* that there are more, so we can ignore it.
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*/
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if (errno != E2BIG)
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err(1, "SIOCGIFMEDIA");
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}
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if (ifmr.ifm_count == 0)
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errx(1, "%s: no media types?", name);
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/*
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* We are primarily concerned with the top-level type.
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* However, "current" may be only IFM_NONE, so we just look
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* for the top-level type in the first "supported type"
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* entry.
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*
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* (I'm assuming that all supported media types for a given
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* interface will be the same top-level type..)
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*/
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subtype = get_media_subtype(IFM_TYPE(first_type), val);
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strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
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ifr.ifr_media = (ifmr.ifm_current & ~(IFM_NMASK|IFM_TMASK)) |
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IFM_TYPE(first_type) | subtype;
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if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0)
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err(1, "SIOCSIFMEDIA");
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}
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void
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setmediaopt(const char *val, int d, int s, const struct afswtch *afp)
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{
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domediaopt(val, 0, s);
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}
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void
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unsetmediaopt(const char *val, int d, int s, const struct afswtch *afp)
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{
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domediaopt(val, 1, s);
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}
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static void
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domediaopt(const char *val, int clear, int s)
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{
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struct ifmediareq ifmr;
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int *mwords, options;
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(void) memset(&ifmr, 0, sizeof(ifmr));
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(void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name));
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/*
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* We must go through the motions of reading all
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* supported media because we need to know both
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* the current media type and the top-level type.
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*/
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if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0)
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err(1, "SIOCGIFMEDIA");
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if (ifmr.ifm_count == 0)
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errx(1, "%s: no media types?", name);
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mwords = (int *)malloc(ifmr.ifm_count * sizeof(int));
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if (mwords == NULL)
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err(1, "malloc");
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ifmr.ifm_ulist = mwords;
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if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0)
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err(1, "SIOCGIFMEDIA");
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options = get_media_options(IFM_TYPE(mwords[0]), val);
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free(mwords);
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strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
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ifr.ifr_media = ifmr.ifm_current;
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if (clear)
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ifr.ifr_media &= ~options;
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else
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ifr.ifr_media |= options;
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if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0)
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err(1, "SIOCSIFMEDIA");
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}
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/**********************************************************************
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* A good chunk of this is duplicated from sys/net/ifmedia.c
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**********************************************************************/
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static struct ifmedia_description ifm_type_descriptions[] =
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IFM_TYPE_DESCRIPTIONS;
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static struct ifmedia_description ifm_subtype_ethernet_descriptions[] =
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IFM_SUBTYPE_ETHERNET_DESCRIPTIONS;
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static struct ifmedia_description ifm_subtype_ethernet_aliases[] =
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IFM_SUBTYPE_ETHERNET_ALIASES;
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static struct ifmedia_description ifm_subtype_ethernet_option_descriptions[] =
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IFM_SUBTYPE_ETHERNET_OPTION_DESCRIPTIONS;
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static struct ifmedia_description ifm_subtype_tokenring_descriptions[] =
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IFM_SUBTYPE_TOKENRING_DESCRIPTIONS;
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static struct ifmedia_description ifm_subtype_tokenring_aliases[] =
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IFM_SUBTYPE_TOKENRING_ALIASES;
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static struct ifmedia_description ifm_subtype_tokenring_option_descriptions[] =
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IFM_SUBTYPE_TOKENRING_OPTION_DESCRIPTIONS;
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static struct ifmedia_description ifm_subtype_fddi_descriptions[] =
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IFM_SUBTYPE_FDDI_DESCRIPTIONS;
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static struct ifmedia_description ifm_subtype_fddi_aliases[] =
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IFM_SUBTYPE_FDDI_ALIASES;
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static struct ifmedia_description ifm_subtype_fddi_option_descriptions[] =
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IFM_SUBTYPE_FDDI_OPTION_DESCRIPTIONS;
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static struct ifmedia_description ifm_subtype_ieee80211_descriptions[] =
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IFM_SUBTYPE_IEEE80211_DESCRIPTIONS;
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static struct ifmedia_description ifm_subtype_ieee80211_aliases[] =
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IFM_SUBTYPE_IEEE80211_ALIASES;
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static struct ifmedia_description ifm_subtype_ieee80211_option_descriptions[] =
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IFM_SUBTYPE_IEEE80211_OPTION_DESCRIPTIONS;
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static struct ifmedia_description ifm_subtype_shared_descriptions[] =
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IFM_SUBTYPE_SHARED_DESCRIPTIONS;
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static struct ifmedia_description ifm_subtype_shared_aliases[] =
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IFM_SUBTYPE_SHARED_ALIASES;
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static struct ifmedia_description ifm_shared_option_descriptions[] =
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IFM_SHARED_OPTION_DESCRIPTIONS;
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struct ifmedia_type_to_subtype {
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struct {
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struct ifmedia_description *desc;
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int alias;
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} subtypes[5];
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struct {
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struct ifmedia_description *desc;
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int alias;
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} options[3];
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};
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/* must be in the same order as IFM_TYPE_DESCRIPTIONS */
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static struct ifmedia_type_to_subtype ifmedia_types_to_subtypes[] = {
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{
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{
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{ &ifm_subtype_shared_descriptions[0], 0 },
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{ &ifm_subtype_shared_aliases[0], 1 },
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{ &ifm_subtype_ethernet_descriptions[0], 0 },
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{ &ifm_subtype_ethernet_aliases[0], 1 },
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{ NULL, 0 },
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},
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{
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{ &ifm_shared_option_descriptions[0], 0 },
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{ &ifm_subtype_ethernet_option_descriptions[0], 0 },
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{ NULL, 0 },
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},
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},
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{
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{
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{ &ifm_subtype_shared_descriptions[0], 0 },
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{ &ifm_subtype_shared_aliases[0], 1 },
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{ &ifm_subtype_tokenring_descriptions[0], 0 },
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{ &ifm_subtype_tokenring_aliases[0], 1 },
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{ NULL, 0 },
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},
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{
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{ &ifm_shared_option_descriptions[0], 0 },
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{ &ifm_subtype_tokenring_option_descriptions[0], 0 },
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{ NULL, 0 },
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},
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},
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{
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{
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{ &ifm_subtype_shared_descriptions[0], 0 },
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{ &ifm_subtype_shared_aliases[0], 1 },
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{ &ifm_subtype_fddi_descriptions[0], 0 },
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{ &ifm_subtype_fddi_aliases[0], 1 },
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{ NULL, 0 },
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},
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{
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{ &ifm_shared_option_descriptions[0], 0 },
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{ &ifm_subtype_fddi_option_descriptions[0], 0 },
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{ NULL, 0 },
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},
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},
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{
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{
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{ &ifm_subtype_shared_descriptions[0], 0 },
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{ &ifm_subtype_shared_aliases[0], 1 },
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{ &ifm_subtype_ieee80211_descriptions[0], 0 },
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{ &ifm_subtype_ieee80211_aliases[0], 1 },
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{ NULL, 0 },
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},
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{
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{ &ifm_shared_option_descriptions[0], 0 },
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{ &ifm_subtype_ieee80211_option_descriptions[0], 0 },
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{ NULL, 0 },
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},
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},
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};
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static int
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get_media_subtype(int type, const char *val)
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{
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struct ifmedia_description *desc;
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struct ifmedia_type_to_subtype *ttos;
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int rval, i;
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/* Find the top-level interface type. */
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for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes;
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desc->ifmt_string != NULL; desc++, ttos++)
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if (type == desc->ifmt_word)
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break;
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if (desc->ifmt_string == NULL)
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errx(1, "unknown media type 0x%x", type);
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for (i = 0; ttos->subtypes[i].desc != NULL; i++) {
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rval = lookup_media_word(ttos->subtypes[i].desc, val);
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if (rval != -1)
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return (rval);
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}
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errx(1, "unknown media subtype: %s", val);
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/* NOTREACHED */
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}
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static int
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get_media_options(int type, const char *val)
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{
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struct ifmedia_description *desc;
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struct ifmedia_type_to_subtype *ttos;
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char *optlist, *optptr;
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int option = 0, i, rval = 0;
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/* We muck with the string, so copy it. */
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optlist = strdup(val);
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if (optlist == NULL)
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err(1, "strdup");
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/* Find the top-level interface type. */
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for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes;
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desc->ifmt_string != NULL; desc++, ttos++)
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if (type == desc->ifmt_word)
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break;
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if (desc->ifmt_string == NULL)
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errx(1, "unknown media type 0x%x", type);
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/*
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* Look up the options in the user-provided comma-separated
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* list.
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*/
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optptr = optlist;
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for (; (optptr = strtok(optptr, ",")) != NULL; optptr = NULL) {
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for (i = 0; ttos->options[i].desc != NULL; i++) {
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option = lookup_media_word(ttos->options[i].desc, optptr);
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if (option != -1)
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break;
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}
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if (option == 0)
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errx(1, "unknown option: %s", optptr);
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rval |= option;
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}
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free(optlist);
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return (rval);
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}
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static int
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lookup_media_word(struct ifmedia_description *desc, const char *val)
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{
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for (; desc->ifmt_string != NULL; desc++)
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if (strcasecmp(desc->ifmt_string, val) == 0)
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return (desc->ifmt_word);
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return (-1);
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}
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static struct ifmedia_description *get_toptype_desc(int ifmw)
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{
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struct ifmedia_description *desc;
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for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; desc++)
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if (IFM_TYPE(ifmw) == desc->ifmt_word)
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break;
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return desc;
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}
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static struct ifmedia_type_to_subtype *get_toptype_ttos(int ifmw)
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{
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struct ifmedia_description *desc;
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struct ifmedia_type_to_subtype *ttos;
|
|
|
|
for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes;
|
|
desc->ifmt_string != NULL; desc++, ttos++)
|
|
if (IFM_TYPE(ifmw) == desc->ifmt_word)
|
|
break;
|
|
|
|
return ttos;
|
|
}
|
|
|
|
static struct ifmedia_description *get_subtype_desc(int ifmw,
|
|
struct ifmedia_type_to_subtype *ttos)
|
|
{
|
|
int i;
|
|
struct ifmedia_description *desc;
|
|
|
|
for (i = 0; ttos->subtypes[i].desc != NULL; i++) {
|
|
if (ttos->subtypes[i].alias)
|
|
continue;
|
|
for (desc = ttos->subtypes[i].desc;
|
|
desc->ifmt_string != NULL; desc++) {
|
|
if (IFM_SUBTYPE(ifmw) == desc->ifmt_word)
|
|
return desc;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
print_media_word(int ifmw, int print_toptype)
|
|
{
|
|
struct ifmedia_description *desc;
|
|
struct ifmedia_type_to_subtype *ttos;
|
|
int seen_option = 0, i;
|
|
|
|
/* Find the top-level interface type. */
|
|
desc = get_toptype_desc(ifmw);
|
|
ttos = get_toptype_ttos(ifmw);
|
|
if (desc->ifmt_string == NULL) {
|
|
printf("<unknown type>");
|
|
return;
|
|
} else if (print_toptype) {
|
|
printf("%s", desc->ifmt_string);
|
|
}
|
|
|
|
/*
|
|
* Don't print the top-level type; it's not like we can
|
|
* change it, or anything.
|
|
*/
|
|
|
|
/* Find subtype. */
|
|
desc = get_subtype_desc(ifmw, ttos);
|
|
if (desc != NULL)
|
|
goto got_subtype;
|
|
|
|
/* Falling to here means unknown subtype. */
|
|
printf("<unknown subtype>");
|
|
return;
|
|
|
|
got_subtype:
|
|
if (print_toptype)
|
|
putchar(' ');
|
|
|
|
printf("%s", desc->ifmt_string);
|
|
|
|
/* Find options. */
|
|
for (i = 0; ttos->options[i].desc != NULL; i++) {
|
|
if (ttos->options[i].alias)
|
|
continue;
|
|
for (desc = ttos->options[i].desc;
|
|
desc->ifmt_string != NULL; desc++) {
|
|
if (ifmw & desc->ifmt_word) {
|
|
if (seen_option == 0)
|
|
printf(" <");
|
|
printf("%s%s", seen_option++ ? "," : "",
|
|
desc->ifmt_string);
|
|
}
|
|
}
|
|
}
|
|
printf("%s", seen_option ? ">" : "");
|
|
}
|
|
|
|
static void
|
|
print_media_word_ifconfig(int ifmw)
|
|
{
|
|
struct ifmedia_description *desc;
|
|
struct ifmedia_type_to_subtype *ttos;
|
|
int i;
|
|
|
|
/* Find the top-level interface type. */
|
|
desc = get_toptype_desc(ifmw);
|
|
ttos = get_toptype_ttos(ifmw);
|
|
if (desc->ifmt_string == NULL) {
|
|
printf("<unknown type>");
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Don't print the top-level type; it's not like we can
|
|
* change it, or anything.
|
|
*/
|
|
|
|
/* Find subtype. */
|
|
desc = get_subtype_desc(ifmw, ttos);
|
|
if (desc != NULL)
|
|
goto got_subtype;
|
|
|
|
/* Falling to here means unknown subtype. */
|
|
printf("<unknown subtype>");
|
|
return;
|
|
|
|
got_subtype:
|
|
printf("media %s", desc->ifmt_string);
|
|
|
|
/* Find options. */
|
|
for (i = 0; ttos->options[i].desc != NULL; i++) {
|
|
if (ttos->options[i].alias)
|
|
continue;
|
|
for (desc = ttos->options[i].desc;
|
|
desc->ifmt_string != NULL; desc++) {
|
|
if (ifmw & desc->ifmt_word) {
|
|
printf(" mediaopt %s", desc->ifmt_string);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**********************************************************************
|
|
* ...until here.
|
|
**********************************************************************/
|