1/* Copyright (C) 1996-2021 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18#include <string.h>
19#include <netinet/ether.h>
20#include <netinet/if_ether.h>
21#include <nss.h>
22
23NSS_DECLARE_MODULE_FUNCTIONS (files)
24
25struct etherent_data {};
26
27#define ENTNAME etherent
28#define DATABASE "ethers"
29#include "files-parse.c"
30LINE_PARSER
31("#",
32 /* Read the ethernet address: 6 x 8bit hexadecimal number. */
33 {
34 size_t cnt;
35
36 for (cnt = 0; cnt < 6; ++cnt)
37 {
38 unsigned int number;
39
40 if (cnt < 5)
41 INT_FIELD (number, ISCOLON , 0, 16, (unsigned int))
42 else
43 INT_FIELD (number, isspace, 1, 16, (unsigned int))
44
45 if (number > 0xff)
46 return 0;
47 result->e_addr.ether_addr_octet[cnt] = number;
48 }
49 };
50 STRING_FIELD (result->e_name, isspace, 1);
51 )
52
53
54#include GENERIC
55
56DB_LOOKUP (hostton, '.', 0, ("%s", name),
57 {
58 if (__strcasecmp (result->e_name, name) == 0)
59 break;
60 }, const char *name)
61
62DB_LOOKUP (ntohost, '=', 18, ("%x:%x:%x:%x:%x:%x",
63 addr->ether_addr_octet[0], addr->ether_addr_octet[1],
64 addr->ether_addr_octet[2], addr->ether_addr_octet[3],
65 addr->ether_addr_octet[4], addr->ether_addr_octet[5]),
66 {
67 if (memcmp (&result->e_addr, addr,
68 sizeof (struct ether_addr)) == 0)
69 break;
70 }, const struct ether_addr *addr)
71