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/*
23 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27/*
28 * nis_common.h
29 *
30 * Common code and structures used by name-service-switch "nis" backends.
31 */
32
33#ifndef _NIS_COMMON_H
34#define	_NIS_COMMON_H
35
36#include <nss_dbdefs.h>
37#include <stdlib.h>
38#include <strings.h>
39#include <signal.h>
40#include <rpcsvc/ypclnt.h>
41#include <rpcsvc/yp_prot.h>
42
43#ifdef	__cplusplus
44extern "C" {
45#endif
46
47#define	NIS_MAP_AUDITUSER	"audit_user"
48#define	NIS_MAP_AUTHATTR	"auth_attr"
49#define	NIS_MAP_EXECATTR	"exec_attr"
50#define	NIS_MAP_PROFATTR	"prof_attr"
51#define	NIS_MAP_USERATTR	"user_attr"
52
53
54typedef struct nis_backend *nis_backend_ptr_t;
55typedef nss_status_t	(*nis_backend_op_t)(nis_backend_ptr_t, void *);
56
57struct nis_backend {
58	nis_backend_op_t	*ops;
59	nss_dbop_t		n_ops;
60	const char		*domain;
61	const char		*enum_map;
62	char			*enum_key;
63	int			enum_keylen;
64};
65
66/*
67 * Iterator function for _nss_nis_do_all(), which probably calls yp_all().
68 *   NSS_NOTFOUND means "keep enumerating", NSS_SUCCESS means"return now",
69 *   other values don't make much sense.  In other words we're abusing
70 *   (overloading) the meaning of nss_status_t, but hey...
71 * _nss_nis_XY_all() is a wrapper around _nss_nis_do_all() that does the
72 *   generic work for nss_XbyY_args_t backends (calls cstr2ent etc).
73 */
74typedef nss_status_t	(*nis_do_all_func_t)(const char *, int, void *priv);
75typedef int		(*nis_XY_check_func)(nss_XbyY_args_t *);
76
77extern nss_backend_t	*_nss_nis_constr(nis_backend_op_t	*ops,
78					int			n_ops,
79					const char		*map);
80extern nss_status_t	_nss_nis_destr(nis_backend_ptr_t, void *dummy);
81extern nss_status_t	_nss_nis_setent(nis_backend_ptr_t, void *dummy);
82extern nss_status_t  	_nss_nis_endent(nis_backend_ptr_t, void *dummy);
83extern nss_status_t  	_nss_nis_getent_rigid(nis_backend_ptr_t, void *);
84extern nss_status_t  	_nss_nis_getent_netdb(nis_backend_ptr_t, void *);
85extern nss_status_t 	_nss_nis_do_all(nis_backend_ptr_t,
86					void			*func_priv,
87					const char		*filter,
88					nis_do_all_func_t	func);
89extern nss_status_t 	_nss_nis_XY_all(nis_backend_ptr_t,
90					nss_XbyY_args_t		*check_args,
91					int			netdb,
92					const char		*filter,
93					nis_XY_check_func	check);
94extern nss_status_t	_nss_nis_lookup(nis_backend_ptr_t,
95					nss_XbyY_args_t		*args,
96					int			netdb,
97					const char		*map,
98					const char		*key,
99					int			*yp_statusp);
100extern nss_status_t _nss_nis_lookup_rsvdport(nis_backend_ptr_t   be,
101					nss_XbyY_args_t	*args,
102					int netdb,
103					const char	*map,
104					const char	*key,
105					int	*ypstatusp);
106
107/* Lower-level interface */
108extern nss_status_t	_nss_nis_ypmatch(const char		*domain,
109					const char		*map,
110					const char		*key,
111					char			**valp,
112					int			*vallenp,
113					int			*yp_statusp);
114extern const char	*_nss_nis_domain();
115extern int __nss2herrno(nss_status_t nsstat);
116extern int thr_sigsetmask(int how, const sigset_t *set, sigset_t *oset);
117extern int _nss_nis_check_name_aliases(nss_XbyY_args_t *argp,
118					const char *line,
119					int linelen);
120
121/* private yp "configurable lookup persistence" interface in libnsl */
122extern int __yp_match_cflookup(char *, char *, char *, int, char **,
123			    int *, int *);
124extern int __yp_match_rsvdport_cflookup(char *, char *, char *, int, char **,
125				    int *, int *);
126extern int __yp_first_cflookup(char *, char *, char **, int *, char **,
127			    int *, int);
128
129extern int __yp_next_cflookup(char *, char *, char *, int, char **, int *,
130			    char **, int  *, int);
131
132extern int __yp_all_cflookup(char *, char *, struct ypall_callback *, int);
133
134/* functions to validate passwd and group ids */
135extern int validate_passwd_ids(char **linepp, int *linelenp, int allocbuf);
136extern int validate_group_ids(char **linepp, int *linelenp, int allocbuf);
137
138#ifdef	__cplusplus
139}
140#endif
141
142#endif /* _NIS_COMMON_H */
143