54 lines
1.0 KiB
C
Executable File
54 lines
1.0 KiB
C
Executable File
|
|
/*
|
|
* Copyright (c) 1987, 1988, 1989, 1990 by Sun Microsystems, Inc.
|
|
*/
|
|
|
|
#ident "@(#)stdethers.c 1.2 92/07/14 SMI" /* SMI4.1 1.3 */
|
|
|
|
#include <stdio.h>
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <net/if.h>
|
|
#include <netinet/in.h>
|
|
#include <netinet/if_ether.h>
|
|
|
|
/*
|
|
* Filter to convert addresses in /etc/ethers file to standard form
|
|
*/
|
|
|
|
main(argc, argv)
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
char buf[512];
|
|
register char *line = buf;
|
|
char hostname[256];
|
|
register char *host = hostname;
|
|
ether_addr_t e;
|
|
register ether_addr_t *ep = &e;
|
|
FILE *in;
|
|
|
|
if (argc > 1) {
|
|
in = fopen(argv[1], "r");
|
|
if (in == NULL) {
|
|
fprintf(stderr,
|
|
"%s: can't open %s\n", argv[0], argv[1]);
|
|
exit(1);
|
|
}
|
|
} else {
|
|
in = stdin;
|
|
}
|
|
while (fscanf(in, "%[^\n] ", line) == 1) {
|
|
if ((line[0] == '#') || (line[0] == 0))
|
|
continue;
|
|
if (ether_line(line, ep, host) == 0) {
|
|
fprintf(stdout, "%s %s\n", ether_ntoa(ep), host);
|
|
} else {
|
|
fprintf(stderr,
|
|
"%s: ignoring line: %s\n", argv[0], line);
|
|
}
|
|
}
|
|
exit(0);
|
|
/* NOTREACHED */
|
|
}
|