1/*	$NetBSD$	*/
2
3/*
4 * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
5 * Copyright (c) 1996,1999 by Internet Software Consortium.
6 *
7 * Permission to use, copy, modify, and distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
17 * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 */
19
20#if defined(LIBC_SCCS) && !defined(lint)
21static const char rcsid[] = "Id: nul_ng.c,v 1.3 2005/04/27 04:56:34 sra Exp ";
22#endif
23
24/*! \file
25 * \brief
26 * nul_ng.c - the netgroup accessor null map
27 */
28
29#include "port_before.h"
30
31#include <sys/types.h>
32#include <netinet/in.h>
33#include <arpa/nameser.h>
34#include <resolv.h>
35
36#include <stdio.h>
37#include <string.h>
38#include <netdb.h>
39#include <ctype.h>
40#include <stdlib.h>
41#include <errno.h>
42
43#include <irs.h>
44#include <isc/memcluster.h>
45
46#include "port_after.h"
47
48#include "irs_p.h"
49#include "hesiod.h"
50#include "dns_p.h"
51
52/* Forward. */
53
54static void 		ng_close(struct irs_ng *);
55static int		ng_next(struct irs_ng *, const char **,
56				const char **, const char **);
57static int		ng_test(struct irs_ng *,
58 				const char *, const char *,
59				const char *, const char *);
60static void		ng_rewind(struct irs_ng *, const char *);
61static void		ng_minimize(struct irs_ng *);
62
63/* Public. */
64
65struct irs_ng *
66irs_nul_ng(struct irs_acc *this) {
67	struct irs_ng *ng;
68
69	UNUSED(this);
70
71	if (!(ng = memget(sizeof *ng))) {
72		errno = ENOMEM;
73		return (NULL);
74	}
75	memset(ng, 0x5e, sizeof *ng);
76	ng->private = NULL;
77	ng->close = ng_close;
78	ng->next = ng_next;
79	ng->test = ng_test;
80	ng->rewind = ng_rewind;
81	ng->minimize = ng_minimize;
82	return (ng);
83}
84
85/* Methods. */
86
87static void
88ng_close(struct irs_ng *this) {
89	memput(this, sizeof *this);
90}
91
92/* ARGSUSED */
93static int
94ng_next(struct irs_ng *this, const char **host, const char **user,
95	const char **domain)
96{
97	UNUSED(this);
98	UNUSED(host);
99	UNUSED(user);
100	UNUSED(domain);
101	errno = ENOENT;
102	return (-1);
103}
104
105static int
106ng_test(struct irs_ng *this, const char *name,
107	const char *user, const char *host, const char *domain)
108{
109	UNUSED(this);
110	UNUSED(name);
111	UNUSED(user);
112	UNUSED(host);
113	UNUSED(domain);
114	errno = ENODEV;
115	return (-1);
116}
117
118static void
119ng_rewind(struct irs_ng *this, const char *netgroup) {
120	UNUSED(this);
121	UNUSED(netgroup);
122	/* NOOP */
123}
124
125static void
126ng_minimize(struct irs_ng *this) {
127	UNUSED(this);
128	/* NOOP */
129}
130