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/*
* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <net/if.h>
#include <netatalk/at.h>
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <ifaddrs.h>
#include <arpa/inet.h>
#include "ifconfig.h"
static struct netrange at_nr; /* AppleTalk net range */
static struct ifaliasreq at_addreq;
/* XXX FIXME -- should use strtoul for better parsing. */
static void
setatrange(const char *range, int dummy __unused, int s,
const struct afswtch *afp)
{
u_int first = 123, last = 123;
if (sscanf(range, "%u-%u", &first, &last) != 2
|| first == 0 || first > 0xffff
|| last == 0 || last > 0xffff || first > last)
errx(1, "%s: illegal net range: %u-%u", range, first, last);
at_nr.nr_firstnet = htons(first);
at_nr.nr_lastnet = htons(last);
}
static void
setatphase(const char *phase, int dummy __unused, int s,
const struct afswtch *afp)
{
if (!strcmp(phase, "1"))
at_nr.nr_phase = 1;
else if (!strcmp(phase, "2"))
at_nr.nr_phase = 2;
else
errx(1, "%s: illegal phase", phase);
}
static void
at_status(int s __unused, const struct ifaddrs *ifa)
{
struct sockaddr_at *sat, null_sat;
struct netrange *nr;
memset(&null_sat, 0, sizeof(null_sat));
sat = (struct sockaddr_at *)ifa->ifa_addr;
if (sat == NULL)
return;
nr = &sat->sat_range.r_netrange;
printf("\tatalk %d.%d range %d-%d phase %d",
ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node,
ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase);
if (ifa->ifa_flags & IFF_POINTOPOINT) {
sat = (struct sockaddr_at *)ifa->ifa_dstaddr;
if (sat == NULL)
sat = &null_sat;
printf("--> %d.%d",
ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node);
}
if (ifa->ifa_flags & IFF_BROADCAST) {
sat = (struct sockaddr_at *)ifa->ifa_broadaddr;
if (sat != NULL)
printf(" broadcast %d.%d",
ntohs(sat->sat_addr.s_net),
sat->sat_addr.s_node);
}
putchar('\n');
}
static void
at_getaddr(const char *addr, int which)
{
struct sockaddr_at *sat = (struct sockaddr_at *) &at_addreq.ifra_addr;
u_int net, node;
sat->sat_family = AF_APPLETALK;
sat->sat_len = sizeof(*sat);
if (which == MASK)
errx(1, "AppleTalk does not use netmasks");
if (sscanf(addr, "%u.%u", &net, &node) != 2
|| net > 0xffff || node > 0xfe)
errx(1, "%s: illegal address", addr);
sat->sat_addr.s_net = htons(net);
sat->sat_addr.s_node = node;
}
static void
at_postproc(int s, const struct afswtch *afp)
{
struct sockaddr_at *sat = (struct sockaddr_at *) &at_addreq.ifra_addr;
if (at_nr.nr_phase == 0)
at_nr.nr_phase = 2; /* Default phase 2 */
if (at_nr.nr_firstnet == 0)
at_nr.nr_firstnet = /* Default range of one */
at_nr.nr_lastnet = sat->sat_addr.s_net;
printf("\tatalk %d.%d range %d-%d phase %d\n",
ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node,
ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet),
at_nr.nr_phase);
if ((u_short) ntohs(at_nr.nr_firstnet) >
(u_short) ntohs(sat->sat_addr.s_net)
|| (u_short) ntohs(at_nr.nr_lastnet) <
(u_short) ntohs(sat->sat_addr.s_net))
errx(1, "AppleTalk address is not in range");
sat->sat_range.r_netrange = at_nr;
}
static struct cmd atalk_cmds[] = {
DEF_CMD_ARG("range", setatrange),
DEF_CMD_ARG("phase", setatphase),
};
static struct afswtch af_atalk = {
.af_name = "atalk",
.af_af = AF_APPLETALK,
.af_status = at_status,
.af_getaddr = at_getaddr,
.af_postproc = at_postproc,
.af_difaddr = SIOCDIFADDR,
.af_aifaddr = SIOCAIFADDR,
.af_ridreq = &at_addreq,
.af_addreq = &at_addreq,
};
static __constructor void
atalk_ctor(void)
{
#define N(a) (sizeof(a) / sizeof(a[0]))
size_t i;
for (i = 0; i < N(atalk_cmds); i++)
cmd_register(&atalk_cmds[i]);
af_register(&af_atalk);
#undef N
}
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