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 #include <stdio.h>
28 #include <stdlib.h>
29 #include <netdb.h>
30 #include <sys/types.h>
31 #include <sys/socket.h>
32 #include <net/if.h>
33 #include <netinet/in.h>
34 #include <netinet/if_ether.h>
35 #include "getent.h"
36
37 static int
putethers(const char * hostname,const struct ether_addr * e,FILE * fp)38 putethers(const char *hostname, const struct ether_addr *e, FILE *fp)
39 {
40 if (hostname == NULL || e == NULL)
41 return (EXC_SYNTAX);
42
43 if (fprintf(fp, "%-20s %s\n", hostname, ether_ntoa(e)) == EOF)
44 return (EXC_SYNTAX); /* for lack of a better error code */
45 return (EXC_SUCCESS);
46 }
47
48 /*
49 * ether_ntohost/hostton - get entries from ethers database
50 */
51 int
dogetethers(const char ** list)52 dogetethers(const char **list)
53 {
54 int rc = EXC_SUCCESS;
55
56 if (list == NULL || *list == NULL) {
57 rc = EXC_ENUM_NOT_SUPPORTED;
58 } else {
59 for (; *list != NULL; list++) {
60 struct ether_addr ea;
61 struct ether_addr *e;
62 char hostname[MAXHOSTNAMELEN + 1];
63 char *hp;
64 int retval;
65
66 if ((e = ether_aton(*list)) != NULL) {
67 hp = hostname;
68 retval = ether_ntohost(hp, e);
69 } else {
70 hp = (char *)*list;
71 e = &ea;
72 retval = ether_hostton(hp, e);
73 }
74 if (retval != 0)
75 rc = EXC_NAME_NOT_FOUND;
76 else
77 rc = putethers(hp, e, stdout);
78 }
79 }
80
81 return (rc);
82 }
83