1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 *
25 * files/getprotoent.c -- "files" backend for nsswitch "protocols" database
26 */
27
28#pragma ident	"%Z%%M%	%I%	%E% SMI"
29
30#include <netdb.h>
31#include "files_common.h"
32#include <strings.h>
33#include <ctype.h>
34#include <stdlib.h>
35
36static nss_status_t
37getbyname(be, a)
38	files_backend_ptr_t	be;
39	void		*a;
40{
41	nss_XbyY_args_t		*argp = (nss_XbyY_args_t *)a;
42
43	return (_nss_files_XY_all(be, argp, 1, argp->key.name,
44			_nss_files_check_name_aliases));
45}
46
47static int
48check_addr(nss_XbyY_args_t *argp, const char *line, int linelen)
49{
50	int		proto;
51	const char	*limit, *linep;
52
53	linep = line;
54	limit = line + linelen;
55
56	/* skip name */
57	while (linep < limit && !isspace(*linep))
58		linep++;
59	/* skip the delimiting spaces */
60	while (linep < limit && isspace(*linep))
61		linep++;
62	if (linep == limit)
63		return (0);
64	proto = (int)strtol(linep, NULL, 10);
65	return (proto == argp->key.number);
66}
67
68static nss_status_t
69getbynumber(be, a)
70	files_backend_ptr_t	be;
71	void		*a;
72{
73	nss_XbyY_args_t		*argp = (nss_XbyY_args_t *)a;
74	char		numstr[12];
75
76	(void) snprintf(numstr, 12, "%d", argp->key.number);
77	return (_nss_files_XY_all(be, argp, 1, 0, check_addr));
78}
79
80static files_backend_op_t proto_ops[] = {
81	_nss_files_destr,
82	_nss_files_endent,
83	_nss_files_setent,
84	_nss_files_getent_netdb,
85	getbyname,
86	getbynumber
87};
88
89/*ARGSUSED*/
90nss_backend_t *
91_nss_files_protocols_constr(dummy1, dummy2, dummy3)
92	const char  *dummy1, *dummy2, *dummy3;
93{
94	return (_nss_files_constr(proto_ops,
95				sizeof (proto_ops) / sizeof (proto_ops[0]),
96				_PATH_PROTOCOLS,
97				NSS_LINELEN_PROTOCOLS,
98				NULL));
99}
100