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 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 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