2 * lib/ether.c This file contains an implementation of the "Ethernet"
5 * Version: $Id: ether.c,v 1.7 1999/09/27 11:00:47 philip Exp $
7 * Author: Fred N. van Kempen, <waltje@uwalt.nl.mugnet.org>
8 * Copyright 1993 MicroWalt Corporation
10 * This program is free software; you can redistribute it
11 * and/or modify it under the terms of the GNU General
12 * Public License as published by the Free Software
13 * Foundation; either version 2 of the License, or (at
14 * your option) any later version.
19 #include <sys/types.h>
20 #include <sys/socket.h>
21 #include <net/if_arp.h>
22 #include <linux/if_ether.h>
29 #include "net-support.h"
30 #include "pathnames.h"
34 extern struct hwtype ether_hwtype
;
37 /* Display an Ethernet address in readable format. */
38 static char *pr_ether(unsigned char *ptr
)
42 snprintf(buff
, sizeof(buff
), "%02X:%02X:%02X:%02X:%02X:%02X",
43 (ptr
[0] & 0377), (ptr
[1] & 0377), (ptr
[2] & 0377),
44 (ptr
[3] & 0377), (ptr
[4] & 0377), (ptr
[5] & 0377)
50 /* Input an Ethernet address and convert to binary. */
51 static int in_ether(char *bufp
, struct sockaddr
*sap
)
58 sap
->sa_family
= ether_hwtype
.type
;
63 while ((*bufp
!= '\0') && (i
< ETH_ALEN
)) {
68 else if (c
>= 'a' && c
<= 'f')
70 else if (c
>= 'A' && c
<= 'F')
74 fprintf(stderr
, _("in_ether(%s): invalid ether address!\n"), orig
);
83 else if (c
>= 'a' && c
<= 'f')
85 else if (c
>= 'A' && c
<= 'F')
87 else if (c
== ':' || c
== 0)
91 fprintf(stderr
, _("in_ether(%s): invalid ether address!\n"), orig
);
98 *ptr
++ = (unsigned char) (val
& 0377);
101 /* We might get a semicolon here - not required. */
105 fprintf(stderr
, _("in_ether(%s): trailing : ignored!\n"),
114 /* That's it. Any trailing junk? */
115 if ((i
== ETH_ALEN
) && (*bufp
!= '\0')) {
117 fprintf(stderr
, _("in_ether(%s): trailing junk!\n"), orig
);
123 fprintf(stderr
, "in_ether(%s): %s\n", orig
, pr_ether(sap
->sa_data
));
130 struct hwtype ether_hwtype
=
132 "ether", NULL
, /*"10Mbps Ethernet", */ ARPHRD_ETHER
, ETH_ALEN
,
133 pr_ether
, in_ether
, NULL
137 #endif /* HAVE_HWETHER */