1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright 1994,2002 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#pragma ident	"%Z%%M%	%I%	%E% SMI"
28
29#include <stdio.h>
30#include <stdlib.h>
31#include <netdb.h>
32#include <sys/types.h>
33#include <sys/socket.h>
34#include <net/if.h>
35#include <netinet/in.h>
36#include <netinet/if_ether.h>
37#include "getent.h"
38
39static int
40putethers(const char *hostname, const struct ether_addr *e, FILE *fp)
41{
42	if (hostname == NULL || e == NULL)
43		return (EXC_SYNTAX);
44
45	if (fprintf(fp, "%-20s %s\n", hostname, ether_ntoa(e)) == EOF)
46		return (EXC_SYNTAX); /* for lack of a better error code */
47	return (EXC_SUCCESS);
48}
49
50/*
51 * ether_ntohost/hostton - get entries from ethers database
52 */
53int
54dogetethers(const char **list)
55{
56	int rc = EXC_SUCCESS;
57
58	if (list == NULL || *list == NULL) {
59		rc = EXC_ENUM_NOT_SUPPORTED;
60	} else {
61		for (; *list != NULL; list++) {
62			struct ether_addr ea;
63			struct ether_addr *e;
64			char hostname[MAXHOSTNAMELEN + 1];
65			char *hp;
66			int	retval;
67
68			if ((e = ether_aton(*list)) != NULL) {
69				hp = hostname;
70				retval = ether_ntohost(hp, e);
71			} else {
72				hp = (char *)*list;
73				e = &ea;
74				retval = ether_hostton(hp, e);
75			}
76			if (retval != 0)
77				rc = EXC_NAME_NOT_FOUND;
78			else
79				rc = putethers(hp, e, stdout);
80		}
81	}
82
83	return (rc);
84}
85