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 1987-1990,2002 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 <sys/types.h> 30*0Sstevel@tonic-gate #include <sys/ethernet.h> 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate #include <netdb.h> 33*0Sstevel@tonic-gate #include <stdio.h> 34*0Sstevel@tonic-gate #include <strings.h> 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate /* 37*0Sstevel@tonic-gate * Filter to convert addresses in /etc/ethers file to standard form 38*0Sstevel@tonic-gate */ 39*0Sstevel@tonic-gate 40*0Sstevel@tonic-gate int 41*0Sstevel@tonic-gate main(int argc, char **argv) 42*0Sstevel@tonic-gate { 43*0Sstevel@tonic-gate /* 44*0Sstevel@tonic-gate * The hostname buffer must be at least as large as the line buffer 45*0Sstevel@tonic-gate * to avoid buffer overflows when ether_line(3SOCKET) is called. 46*0Sstevel@tonic-gate * We simply use the same size for both buffers to be safe. 47*0Sstevel@tonic-gate */ 48*0Sstevel@tonic-gate char line[MAXHOSTNAMELEN + 256], *lf, hostname[sizeof (line)]; 49*0Sstevel@tonic-gate struct ether_addr e; 50*0Sstevel@tonic-gate FILE *in; 51*0Sstevel@tonic-gate 52*0Sstevel@tonic-gate if (argc > 1) { 53*0Sstevel@tonic-gate in = fopen(argv[1], "r"); 54*0Sstevel@tonic-gate if (in == NULL) { 55*0Sstevel@tonic-gate fprintf(stderr, 56*0Sstevel@tonic-gate "%s: can't open %s\n", argv[0], argv[1]); 57*0Sstevel@tonic-gate return (1); 58*0Sstevel@tonic-gate } 59*0Sstevel@tonic-gate } else { 60*0Sstevel@tonic-gate in = stdin; 61*0Sstevel@tonic-gate } 62*0Sstevel@tonic-gate while (fgets(line, sizeof (line), in) != NULL) { 63*0Sstevel@tonic-gate lf = strchr(line, '\n'); 64*0Sstevel@tonic-gate if (lf != NULL) 65*0Sstevel@tonic-gate *lf = '\0'; 66*0Sstevel@tonic-gate if ((line[0] == '#') || (line[0] == '\0')) 67*0Sstevel@tonic-gate continue; 68*0Sstevel@tonic-gate if (ether_line(line, &e, hostname) == 0) { 69*0Sstevel@tonic-gate (void) fprintf(stdout, "%s\t%s\n", ether_ntoa(&e), 70*0Sstevel@tonic-gate hostname); 71*0Sstevel@tonic-gate } else { 72*0Sstevel@tonic-gate (void) fprintf(stderr, 73*0Sstevel@tonic-gate "%s: ignoring line: %s\n", argv[0], line); 74*0Sstevel@tonic-gate } 75*0Sstevel@tonic-gate } 76*0Sstevel@tonic-gate return (0); 77*0Sstevel@tonic-gate } 78