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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1991-2001 by Sun Microsystems, Inc.
* All rights reserved.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <netinet/in_systm.h>
#include <netinet/in.h>
#include <netinet/if_ether.h>
#include <at.h>
#include <snoop.h>
static char *printat(uint8_t *);
static char *aarp_opname[] = {
"",
"AARP Request",
"AARP Reply",
"AARP Probe",
};
void
interpret_aarp(int flags, char *data, int alen)
{
/* LINTED */
struct ether_arp *ap = (struct ether_arp *)data;
extern char *dst_name;
if (flags & F_SUM) {
if (alen < sizeof (struct ether_arp)) {
(void) snprintf(get_sum_line(), MAXLINE,
"AARP (short packet)");
return;
}
switch (ntohs(ap->arp_op)) {
case AARP_REQ:
(void) snprintf(get_sum_line(), MAXLINE,
"AARP C Who is %s ?",
printat(ap->arp_tpa));
break;
case AARP_RESP:
(void) snprintf(get_sum_line(), MAXLINE,
"AARP R %s is %s",
printat(ap->arp_spa),
printether((struct ether_addr *)&ap->arp_sha));
dst_name = printat(ap->arp_tpa);
break;
case AARP_PROBE:
(void) snprintf(get_sum_line(), MAXLINE,
"AARP Probe %s ?",
printat(ap->arp_tpa));
break;
}
}
if (flags & F_DTAIL) {
show_header("AARP: ", "AARP Frame", alen);
show_space();
if (alen < sizeof (struct ether_arp)) {
(void) snprintf(get_line(0, 0), get_line_remain(),
"AARP (short packet)");
return;
}
(void) snprintf(get_line(0, 0), get_line_remain(),
"Hardware type = %d",
ntohs(ap->arp_hrd));
(void) snprintf(get_line(0, 0), get_line_remain(),
"Protocol type = %04X (%s)",
ntohs(ap->arp_pro),
print_ethertype(ntohs(ap->arp_pro)));
(void) snprintf(get_line(0, 0), get_line_remain(),
"Length of hardware address = %d bytes",
ap->arp_hln);
(void) snprintf(get_line(0, 0), get_line_remain(),
"Length of protocol address = %d bytes",
ap->arp_pln);
(void) snprintf(get_line(0, 0), get_line_remain(),
"Opcode %d (%s)",
ntohs(ap->arp_op),
aarp_opname[ntohs(ap->arp_op)]);
if (ntohs(ap->arp_hrd) == ARPHRD_ETHER &&
ntohs(ap->arp_pro) == ETHERTYPE_AT) {
(void) snprintf(get_line(0, 0), get_line_remain(),
"Sender's hardware address = %s",
printether((struct ether_addr *)&ap->arp_sha));
(void) snprintf(get_line(0, 0), get_line_remain(),
"Sender's protocol address = %s",
printat(ap->arp_spa));
(void) snprintf(get_line(0, 0), get_line_remain(),
"Target hardware address = %s",
(ntohs(ap->arp_op) == AARP_REQ ||
ntohs(ap->arp_op) == AARP_PROBE) ? "?" :
printether((struct ether_addr *)&ap->arp_tha));
(void) snprintf(get_line(0, 0), get_line_remain(),
"Target protocol address = %s",
ntohs(ap->arp_op) == REVARP_REQUEST ? "?" :
printat(ap->arp_tpa));
}
show_trailer();
}
}
static char *
printat(uint8_t *p)
{
static char buf[16];
(void) snprintf(buf, sizeof (buf), "%d.%d", get_short(&p[1]), p[3]);
return (buf);
}
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