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5faf8dcb55
o break per-address family support out into separate files o modularize per-address family and functional operations using a registration mechanism; this permits configuration according to which files you include (but beware that order of the files is important to insure backwards compatibility) o many cleanups to eliminate incestuous behaviour, global variables, and poor coding practices (still much more to fix) The original motivation of this work was to support dynamic addition of functionality based on the interface so we can eliminate the various little control programs and so that vendors can distribute ifconfig plugins that support their in-kernel code. That work is still to be completed. o Update 802.11 support for all the new net80211 functionality; some of these operations (e.g. list *) may be better suited in a different program
185 lines
5.4 KiB
C
185 lines
5.4 KiB
C
/*
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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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* 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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#ifndef lint
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static const char rcsid[] =
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"$FreeBSD$";
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#endif /* not lint */
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#include <sys/types.h>
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#include <sys/ioctl.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#include <net/route.h> /* for RTX_IFA */
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#include <netatalk/at.h>
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#include <err.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 <arpa/inet.h>
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#include "ifconfig.h"
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static struct netrange at_nr; /* AppleTalk net range */
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static struct ifaliasreq at_addreq;
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/* XXX FIXME -- should use strtoul for better parsing. */
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static void
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setatrange(const char *range, int dummy __unused, int s,
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const struct afswtch *afp)
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{
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u_int first = 123, last = 123;
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if (sscanf(range, "%u-%u", &first, &last) != 2
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|| first == 0 || first > 0xffff
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|| last == 0 || last > 0xffff || first > last)
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errx(1, "%s: illegal net range: %u-%u", range, first, last);
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at_nr.nr_firstnet = htons(first);
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at_nr.nr_lastnet = htons(last);
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}
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static void
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setatphase(const char *phase, int dummy __unused, int s,
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const struct afswtch *afp)
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{
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if (!strcmp(phase, "1"))
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at_nr.nr_phase = 1;
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else if (!strcmp(phase, "2"))
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at_nr.nr_phase = 2;
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else
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errx(1, "%s: illegal phase", phase);
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}
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static void
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at_status(int s __unused, const struct rt_addrinfo * info)
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{
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struct sockaddr_at *sat, null_sat;
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struct netrange *nr;
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memset(&null_sat, 0, sizeof(null_sat));
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sat = (struct sockaddr_at *)info->rti_info[RTAX_IFA];
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if (sat == NULL)
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return;
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nr = &sat->sat_range.r_netrange;
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printf("\tatalk %d.%d range %d-%d phase %d",
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ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node,
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ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase);
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if (flags & IFF_POINTOPOINT) {
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/* note RTAX_BRD overlap with IFF_BROADCAST */
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sat = (struct sockaddr_at *)info->rti_info[RTAX_BRD];
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if (!sat)
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sat = &null_sat;
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printf("--> %d.%d",
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ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node);
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}
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if (flags & IFF_BROADCAST) {
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/* note RTAX_BRD overlap with IFF_POINTOPOINT */
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sat = (struct sockaddr_at *)info->rti_info[RTAX_BRD];
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if (sat)
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printf(" broadcast %d.%d",
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ntohs(sat->sat_addr.s_net),
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sat->sat_addr.s_node);
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}
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putchar('\n');
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}
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static void
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at_getaddr(const char *addr, int which)
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{
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struct sockaddr_at *sat = (struct sockaddr_at *) &at_addreq.ifra_addr;
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u_int net, node;
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sat->sat_family = AF_APPLETALK;
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sat->sat_len = sizeof(*sat);
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if (which == MASK)
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errx(1, "AppleTalk does not use netmasks");
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if (sscanf(addr, "%u.%u", &net, &node) != 2
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|| net > 0xffff || node > 0xfe)
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errx(1, "%s: illegal address", addr);
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sat->sat_addr.s_net = htons(net);
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sat->sat_addr.s_node = node;
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}
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static void
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at_postproc(int s, const struct afswtch *afp)
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{
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struct sockaddr_at *sat = (struct sockaddr_at *) &at_addreq.ifra_addr;
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if (at_nr.nr_phase == 0)
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at_nr.nr_phase = 2; /* Default phase 2 */
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if (at_nr.nr_firstnet == 0)
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at_nr.nr_firstnet = /* Default range of one */
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at_nr.nr_lastnet = sat->sat_addr.s_net;
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printf("\tatalk %d.%d range %d-%d phase %d\n",
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ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node,
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ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet),
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at_nr.nr_phase);
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if ((u_short) ntohs(at_nr.nr_firstnet) >
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(u_short) ntohs(sat->sat_addr.s_net)
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|| (u_short) ntohs(at_nr.nr_lastnet) <
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(u_short) ntohs(sat->sat_addr.s_net))
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errx(1, "AppleTalk address is not in range");
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sat->sat_range.r_netrange = at_nr;
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}
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static struct cmd atalk_cmds[] = {
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DEF_CMD_ARG("range", setatrange),
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DEF_CMD_ARG("phase", setatphase),
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};
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static struct afswtch af_atalk = {
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.af_name = "atalk",
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.af_af = AF_APPLETALK,
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.af_status = at_status,
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.af_getaddr = at_getaddr,
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.af_postproc = at_postproc,
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.af_difaddr = SIOCDIFADDR,
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.af_aifaddr = SIOCAIFADDR,
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.af_ridreq = &at_addreq,
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.af_addreq = &at_addreq,
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};
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static __constructor void
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atalk_ctor(void)
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{
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#define N(a) (sizeof(a) / sizeof(a[0]))
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int i;
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for (i = 0; i < N(atalk_cmds); i++)
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cmd_register(&atalk_cmds[i]);
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af_register(&af_atalk);
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#undef N
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}
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