1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  *	Copyright (c) 1988-1995 Sun Microsystems Inc
24*0Sstevel@tonic-gate  *	All Rights Reserved.
25*0Sstevel@tonic-gate  *
26*0Sstevel@tonic-gate  *	files/getservent.c -- "files" backend for nsswitch "services" database
27*0Sstevel@tonic-gate  */
28*0Sstevel@tonic-gate 
29*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
30*0Sstevel@tonic-gate 
31*0Sstevel@tonic-gate #include <netdb.h>
32*0Sstevel@tonic-gate #include "files_common.h"
33*0Sstevel@tonic-gate #include <sys/types.h>
34*0Sstevel@tonic-gate #include <netinet/in.h>
35*0Sstevel@tonic-gate #include <strings.h>
36*0Sstevel@tonic-gate 
37*0Sstevel@tonic-gate static int
38*0Sstevel@tonic-gate check_name(args)
39*0Sstevel@tonic-gate 	nss_XbyY_args_t		*args;
40*0Sstevel@tonic-gate {
41*0Sstevel@tonic-gate 	struct servent		*serv	= (struct servent *) args->returnval;
42*0Sstevel@tonic-gate 	const char		*name	= args->key.serv.serv.name;
43*0Sstevel@tonic-gate 	const char		*proto	= args->key.serv.proto;
44*0Sstevel@tonic-gate 	char			**aliasp;
45*0Sstevel@tonic-gate 
46*0Sstevel@tonic-gate 	if (proto != 0 && strcmp(serv->s_proto, proto) != 0) {
47*0Sstevel@tonic-gate 		return (0);
48*0Sstevel@tonic-gate 	}
49*0Sstevel@tonic-gate 	if (strcmp(serv->s_name, name) == 0) {
50*0Sstevel@tonic-gate 		return (1);
51*0Sstevel@tonic-gate 	}
52*0Sstevel@tonic-gate 	for (aliasp = serv->s_aliases;  *aliasp != 0;  aliasp++) {
53*0Sstevel@tonic-gate 		if (strcmp(*aliasp, name) == 0) {
54*0Sstevel@tonic-gate 			return (1);
55*0Sstevel@tonic-gate 		}
56*0Sstevel@tonic-gate 	}
57*0Sstevel@tonic-gate 	return (0);
58*0Sstevel@tonic-gate }
59*0Sstevel@tonic-gate 
60*0Sstevel@tonic-gate static nss_status_t
61*0Sstevel@tonic-gate getbyname(be, a)
62*0Sstevel@tonic-gate 	files_backend_ptr_t	be;
63*0Sstevel@tonic-gate 	void			*a;
64*0Sstevel@tonic-gate {
65*0Sstevel@tonic-gate 	nss_XbyY_args_t		*argp = (nss_XbyY_args_t *) a;
66*0Sstevel@tonic-gate 
67*0Sstevel@tonic-gate 	return (_nss_files_XY_all(be, argp, 1,
68*0Sstevel@tonic-gate 				argp->key.serv.serv.name, check_name));
69*0Sstevel@tonic-gate }
70*0Sstevel@tonic-gate 
71*0Sstevel@tonic-gate static int
72*0Sstevel@tonic-gate check_port(args)
73*0Sstevel@tonic-gate 	nss_XbyY_args_t		*args;
74*0Sstevel@tonic-gate {
75*0Sstevel@tonic-gate 	struct servent		*serv	= (struct servent *) args->returnval;
76*0Sstevel@tonic-gate 	const char		*proto	= args->key.serv.proto;
77*0Sstevel@tonic-gate 
78*0Sstevel@tonic-gate 	return (serv->s_port == args->key.serv.serv.port &&
79*0Sstevel@tonic-gate 		(proto == 0 || strcmp(serv->s_proto, proto) == 0));
80*0Sstevel@tonic-gate }
81*0Sstevel@tonic-gate 
82*0Sstevel@tonic-gate static nss_status_t
83*0Sstevel@tonic-gate getbyport(be, a)
84*0Sstevel@tonic-gate 	files_backend_ptr_t	be;
85*0Sstevel@tonic-gate 	void			*a;
86*0Sstevel@tonic-gate {
87*0Sstevel@tonic-gate 	nss_XbyY_args_t		*argp	= (nss_XbyY_args_t *) a;
88*0Sstevel@tonic-gate 	char			portstr[12];
89*0Sstevel@tonic-gate 
90*0Sstevel@tonic-gate 	sprintf(portstr, "%d", ntohs(argp->key.serv.serv.port));
91*0Sstevel@tonic-gate 	return (_nss_files_XY_all(be, argp, 1, portstr, check_port));
92*0Sstevel@tonic-gate }
93*0Sstevel@tonic-gate 
94*0Sstevel@tonic-gate static files_backend_op_t serv_ops[] = {
95*0Sstevel@tonic-gate 	_nss_files_destr,
96*0Sstevel@tonic-gate 	_nss_files_endent,
97*0Sstevel@tonic-gate 	_nss_files_setent,
98*0Sstevel@tonic-gate 	_nss_files_getent_netdb,
99*0Sstevel@tonic-gate 	getbyname,
100*0Sstevel@tonic-gate 	getbyport
101*0Sstevel@tonic-gate };
102*0Sstevel@tonic-gate 
103*0Sstevel@tonic-gate /*ARGSUSED*/
104*0Sstevel@tonic-gate nss_backend_t *
105*0Sstevel@tonic-gate _nss_files_services_constr(dummy1, dummy2, dummy3)
106*0Sstevel@tonic-gate 	const char	*dummy1, *dummy2, *dummy3;
107*0Sstevel@tonic-gate {
108*0Sstevel@tonic-gate 	return (_nss_files_constr(serv_ops,
109*0Sstevel@tonic-gate 				sizeof (serv_ops) / sizeof (serv_ops[0]),
110*0Sstevel@tonic-gate 				_PATH_SERVICES,
111*0Sstevel@tonic-gate 				NSS_LINELEN_SERVICES,
112*0Sstevel@tonic-gate 				NULL));
113*0Sstevel@tonic-gate }
114