1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
/*
* lib/hippi.c This file contains an implementation of the "HIPPI"
* support functions for the NET-2 base distribution.
*
* Version: $Id$
*
* Author: Fred N. van Kempen, <waltje@uwalt.nl.mugnet.org>
* Copyright 1993 MicroWalt Corporation
*
* Modified for HIPPI by Jes Sorensen, <Jes.Sorensen@cern.ch>
*
* This program is free software; you can redistribute it
* and/or modify it under the terms of the GNU General
* Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at
* your option) any later version.
*/
#include "config.h"
#if HAVE_HWHIPPI
#include <sys/types.h>
#include <sys/socket.h>
#include <net/if_arp.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <ctype.h>
#include <string.h>
#include <unistd.h>
#include "net-support.h"
#include "pathnames.h"
#include "intl.h"
#include "util.h"
/*
* HIPPI magic constants.
*/
#define HIPPI_ALEN 6 /* Bytes in one HIPPI hw-addr */
#ifndef ARPHRD_HIPPI
#define ARPHRD_HIPPI 780
#warning "ARPHRD_HIPPI is not defined in <net/if_arp.h>. Using private value 708"
#endif
extern struct hwtype hippi_hwtype;
/* Display an HIPPI address in readable format. */
static const char *pr_hippi(const char *ptr)
{
static char buff[64];
sprintf(buff, "%02X:%02X:%02X:%02X:%02X:%02X",
(ptr[0] & 0377), (ptr[1] & 0377), (ptr[2] & 0377),
(ptr[3] & 0377), (ptr[4] & 0377), (ptr[5] & 0377)
);
return (buff);
}
#ifdef DEBUG
#define _DEBUG 1
#else
#define _DEBUG 0
#endif
/* Input an HIPPI address and convert to binary. */
static int in_hippi(char *bufp, struct sockaddr_storage *sasp)
{
struct sockaddr *sap = (struct sockaddr *)sasp;
char *ptr;
char c, *orig;
int i, val;
sap->sa_family = hippi_hwtype.type;
ptr = sap->sa_data;
i = 0;
orig = bufp;
while ((*bufp != '\0') && (i < HIPPI_ALEN)) {
val = 0;
c = *bufp++;
if (isdigit(c))
val = c - '0';
else if (c >= 'a' && c <= 'f')
val = c - 'a' + 10;
else if (c >= 'A' && c <= 'F')
val = c - 'A' + 10;
else {
if (_DEBUG)
fprintf(stderr, _("in_hippi(%s): invalid hippi address!\n"), orig);
errno = EINVAL;
return (-1);
}
val <<= 4;
c = *bufp++;
if (isdigit(c))
val |= c - '0';
else if (c >= 'a' && c <= 'f')
val |= c - 'a' + 10;
else if (c >= 'A' && c <= 'F')
val |= c - 'A' + 10;
else {
if (_DEBUG)
fprintf(stderr, _("in_hippi(%s): invalid hippi address!\n"), orig);
errno = EINVAL;
return (-1);
}
*ptr++ = (unsigned char) (val & 0377);
i++;
/* We might get a semicolon here - not required. */
if (*bufp == ':') {
if (_DEBUG && i == HIPPI_ALEN)
fprintf(stderr, _("in_hippi(%s): trailing : ignored!\n"), orig);
bufp++;
}
}
/* That's it. Any trailing junk? */
if (_DEBUG && (i == HIPPI_ALEN) && (*bufp != '\0')) {
fprintf(stderr, _("in_hippi(%s): trailing junk!\n"), orig);
errno = EINVAL;
return (-1);
}
if (_DEBUG)
fprintf(stderr, "in_hippi(%s): %s\n", orig, pr_hippi(sap->sa_data));
return (0);
}
struct hwtype hippi_hwtype =
{
"hippi", NULL, /*"HIPPI", */ ARPHRD_HIPPI, HIPPI_ALEN,
pr_hippi, in_hippi, NULL, 0
};
#endif /* HAVE_HWHIPPI */
|
