141 lines
3.7 KiB
C
141 lines
3.7 KiB
C
/* $NetBSD: stdethers.c,v 1.1.1.1 1996/08/09 10:14:57 thorpej Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1995 Mats O Jansson <moj@stacken.kth.se>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by Mats O Jansson
|
|
* 4. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
|
|
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
|
|
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/param.h>
|
|
#include <sys/socket.h>
|
|
#include <net/if.h>
|
|
#include <netinet/in.h>
|
|
#include <netinet/if_ether.h>
|
|
#include <ctype.h>
|
|
#include <err.h>
|
|
#include <limits.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include "protos.h"
|
|
|
|
void usage __P((void));
|
|
|
|
extern char *__progname; /* from crt0.o */
|
|
|
|
#ifndef NTOA_FIX
|
|
#define NTOA(x) ether_ntoa(x)
|
|
#else
|
|
char *working_ntoa __P((struct ether_addr *));
|
|
|
|
#define NTOA(x) working_ntoa(x)
|
|
|
|
/*
|
|
* As of 1995-12-02 NetBSD has an SunOS 4 incompatible ether_ntoa.
|
|
* The code in usr/lib/libc/net/ethers seems to do the correct thing
|
|
* when asking YP but not when returning string from ether_ntoa.
|
|
*/
|
|
|
|
char *
|
|
working_ntoa(e)
|
|
struct ether_addr *e;
|
|
{
|
|
static char a[] = "xx:xx:xx:xx:xx:xx";
|
|
|
|
sprintf(a, "%x:%x:%x:%x:%x:%x",
|
|
e->ether_addr_octet[0], e->ether_addr_octet[1],
|
|
e->ether_addr_octet[2], e->ether_addr_octet[3],
|
|
e->ether_addr_octet[4], e->ether_addr_octet[5]);
|
|
return a;
|
|
}
|
|
#endif
|
|
|
|
int
|
|
main(argc, argv)
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
FILE *data_file;
|
|
char data_line[_POSIX2_LINE_MAX];
|
|
int line_no = 0, len;
|
|
char *fname;
|
|
struct ether_addr eth_addr;
|
|
char hostname[MAXHOSTNAMELEN];
|
|
|
|
if (argc > 2)
|
|
usage();
|
|
|
|
if (argc == 2) {
|
|
fname = argv[1];
|
|
data_file = fopen(fname, "r");
|
|
if (data_file == NULL)
|
|
err(1, "%s", fname);
|
|
} else {
|
|
fname = "<stdin>";
|
|
data_file = stdin;
|
|
}
|
|
|
|
while (read_line(data_file, data_line, sizeof(data_line))) {
|
|
line_no++;
|
|
len = strlen(data_line);
|
|
|
|
if (len > 1) {
|
|
if (data_line[0] == '#') {
|
|
continue;
|
|
}
|
|
} else
|
|
continue;
|
|
|
|
/*
|
|
* Check if we have the whole line
|
|
*/
|
|
if (data_line[len - 1] != '\n') {
|
|
warnx("%s line %d: line to long, skipping",
|
|
fname, line_no);
|
|
continue;
|
|
} else
|
|
data_line[len - 1] = '\0';
|
|
|
|
if (ether_line(data_line, ð_addr, hostname) == 0)
|
|
printf("%s\t%s\n", NTOA(ð_addr), hostname);
|
|
else
|
|
warnx("ignoring line %d: `%s'", line_no, data_line);
|
|
}
|
|
|
|
exit(0);
|
|
}
|
|
|
|
void
|
|
usage()
|
|
{
|
|
|
|
fprintf(stderr, "usage: %s [file]\n", __progname);
|
|
exit(1);
|
|
}
|