xref: /onnv-gate/usr/src/cmd/getent/dogetethers.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 1994,2002 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*0Sstevel@tonic-gate 
29*0Sstevel@tonic-gate #include <stdio.h>
30*0Sstevel@tonic-gate #include <stdlib.h>
31*0Sstevel@tonic-gate #include <netdb.h>
32*0Sstevel@tonic-gate #include <sys/types.h>
33*0Sstevel@tonic-gate #include <sys/socket.h>
34*0Sstevel@tonic-gate #include <net/if.h>
35*0Sstevel@tonic-gate #include <netinet/in.h>
36*0Sstevel@tonic-gate #include <netinet/if_ether.h>
37*0Sstevel@tonic-gate #include "getent.h"
38*0Sstevel@tonic-gate 
39*0Sstevel@tonic-gate static int
putethers(const char * hostname,const struct ether_addr * e,FILE * fp)40*0Sstevel@tonic-gate putethers(const char *hostname, const struct ether_addr *e, FILE *fp)
41*0Sstevel@tonic-gate {
42*0Sstevel@tonic-gate 	if (hostname == NULL || e == NULL)
43*0Sstevel@tonic-gate 		return (EXC_SYNTAX);
44*0Sstevel@tonic-gate 
45*0Sstevel@tonic-gate 	if (fprintf(fp, "%-20s %s\n", hostname, ether_ntoa(e)) == EOF)
46*0Sstevel@tonic-gate 		return (EXC_SYNTAX); /* for lack of a better error code */
47*0Sstevel@tonic-gate 	return (EXC_SUCCESS);
48*0Sstevel@tonic-gate }
49*0Sstevel@tonic-gate 
50*0Sstevel@tonic-gate /*
51*0Sstevel@tonic-gate  * ether_ntohost/hostton - get entries from ethers database
52*0Sstevel@tonic-gate  */
53*0Sstevel@tonic-gate int
dogetethers(const char ** list)54*0Sstevel@tonic-gate dogetethers(const char **list)
55*0Sstevel@tonic-gate {
56*0Sstevel@tonic-gate 	int rc = EXC_SUCCESS;
57*0Sstevel@tonic-gate 
58*0Sstevel@tonic-gate 	if (list == NULL || *list == NULL) {
59*0Sstevel@tonic-gate 		rc = EXC_ENUM_NOT_SUPPORTED;
60*0Sstevel@tonic-gate 	} else {
61*0Sstevel@tonic-gate 		for (; *list != NULL; list++) {
62*0Sstevel@tonic-gate 			struct ether_addr ea;
63*0Sstevel@tonic-gate 			struct ether_addr *e;
64*0Sstevel@tonic-gate 			char hostname[MAXHOSTNAMELEN + 1];
65*0Sstevel@tonic-gate 			char *hp;
66*0Sstevel@tonic-gate 			int	retval;
67*0Sstevel@tonic-gate 
68*0Sstevel@tonic-gate 			if ((e = ether_aton(*list)) != NULL) {
69*0Sstevel@tonic-gate 				hp = hostname;
70*0Sstevel@tonic-gate 				retval = ether_ntohost(hp, e);
71*0Sstevel@tonic-gate 			} else {
72*0Sstevel@tonic-gate 				hp = (char *)*list;
73*0Sstevel@tonic-gate 				e = &ea;
74*0Sstevel@tonic-gate 				retval = ether_hostton(hp, e);
75*0Sstevel@tonic-gate 			}
76*0Sstevel@tonic-gate 			if (retval != 0)
77*0Sstevel@tonic-gate 				rc = EXC_NAME_NOT_FOUND;
78*0Sstevel@tonic-gate 			else
79*0Sstevel@tonic-gate 				rc = putethers(hp, e, stdout);
80*0Sstevel@tonic-gate 		}
81*0Sstevel@tonic-gate 	}
82*0Sstevel@tonic-gate 
83*0Sstevel@tonic-gate 	return (rc);
84*0Sstevel@tonic-gate }
85