1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate  * Copyright 1997-2002 Sun Microsystems, Inc.  All rights reserved.
3*7c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
4*7c478bd9Sstevel@tonic-gate  */
5*7c478bd9Sstevel@tonic-gate 
6*7c478bd9Sstevel@tonic-gate /*
7*7c478bd9Sstevel@tonic-gate  * Copyright (c) 1996-1999 by Internet Software Consortium.
8*7c478bd9Sstevel@tonic-gate  *
9*7c478bd9Sstevel@tonic-gate  * Permission to use, copy, modify, and distribute this software for any
10*7c478bd9Sstevel@tonic-gate  * purpose with or without fee is hereby granted, provided that the above
11*7c478bd9Sstevel@tonic-gate  * copyright notice and this permission notice appear in all copies.
12*7c478bd9Sstevel@tonic-gate  *
13*7c478bd9Sstevel@tonic-gate  * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
14*7c478bd9Sstevel@tonic-gate  * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
15*7c478bd9Sstevel@tonic-gate  * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
16*7c478bd9Sstevel@tonic-gate  * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
17*7c478bd9Sstevel@tonic-gate  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
18*7c478bd9Sstevel@tonic-gate  * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
19*7c478bd9Sstevel@tonic-gate  * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
20*7c478bd9Sstevel@tonic-gate  * SOFTWARE.
21*7c478bd9Sstevel@tonic-gate  */
22*7c478bd9Sstevel@tonic-gate 
23*7c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
24*7c478bd9Sstevel@tonic-gate 
25*7c478bd9Sstevel@tonic-gate #if defined(LIBC_SCCS) && !defined(lint)
26*7c478bd9Sstevel@tonic-gate static const char rcsid[] = "$Id: nis.c,v 1.15 2001/05/29 05:49:11 marka Exp $";
27*7c478bd9Sstevel@tonic-gate #endif
28*7c478bd9Sstevel@tonic-gate 
29*7c478bd9Sstevel@tonic-gate /* Imports */
30*7c478bd9Sstevel@tonic-gate 
31*7c478bd9Sstevel@tonic-gate #include "port_before.h"
32*7c478bd9Sstevel@tonic-gate 
33*7c478bd9Sstevel@tonic-gate #ifdef WANT_IRS_NIS
34*7c478bd9Sstevel@tonic-gate 
35*7c478bd9Sstevel@tonic-gate #include <rpc/rpc.h>
36*7c478bd9Sstevel@tonic-gate #include <rpc/xdr.h>
37*7c478bd9Sstevel@tonic-gate #include <rpcsvc/yp_prot.h>
38*7c478bd9Sstevel@tonic-gate #include <rpcsvc/ypclnt.h>
39*7c478bd9Sstevel@tonic-gate 
40*7c478bd9Sstevel@tonic-gate #include <stdlib.h>
41*7c478bd9Sstevel@tonic-gate #include <string.h>
42*7c478bd9Sstevel@tonic-gate #include <errno.h>
43*7c478bd9Sstevel@tonic-gate 
44*7c478bd9Sstevel@tonic-gate #include <sys/types.h>
45*7c478bd9Sstevel@tonic-gate #include <netinet/in.h>
46*7c478bd9Sstevel@tonic-gate #include <arpa/nameser.h>
47*7c478bd9Sstevel@tonic-gate #include <resolv.h>
48*7c478bd9Sstevel@tonic-gate 
49*7c478bd9Sstevel@tonic-gate #include <isc/memcluster.h>
50*7c478bd9Sstevel@tonic-gate #include <irs.h>
51*7c478bd9Sstevel@tonic-gate 
52*7c478bd9Sstevel@tonic-gate #include "port_after.h"
53*7c478bd9Sstevel@tonic-gate 
54*7c478bd9Sstevel@tonic-gate #include "irs_p.h"
55*7c478bd9Sstevel@tonic-gate #include "hesiod.h"
56*7c478bd9Sstevel@tonic-gate #include "nis_p.h"
57*7c478bd9Sstevel@tonic-gate 
58*7c478bd9Sstevel@tonic-gate /* Forward */
59*7c478bd9Sstevel@tonic-gate 
60*7c478bd9Sstevel@tonic-gate static void		nis_close(struct irs_acc *);
61*7c478bd9Sstevel@tonic-gate static struct __res_state * nis_res_get(struct irs_acc *);
62*7c478bd9Sstevel@tonic-gate static void		nis_res_set(struct irs_acc *, struct __res_state *,
63*7c478bd9Sstevel@tonic-gate 				void (*)(void *));
64*7c478bd9Sstevel@tonic-gate 
65*7c478bd9Sstevel@tonic-gate /* Public */
66*7c478bd9Sstevel@tonic-gate 
67*7c478bd9Sstevel@tonic-gate struct irs_acc *
68*7c478bd9Sstevel@tonic-gate irs_nis_acc(const char *options) {
69*7c478bd9Sstevel@tonic-gate 	struct nis_p *nis;
70*7c478bd9Sstevel@tonic-gate 	struct irs_acc *acc;
71*7c478bd9Sstevel@tonic-gate 	char *domain;
72*7c478bd9Sstevel@tonic-gate 
73*7c478bd9Sstevel@tonic-gate 	UNUSED(options);
74*7c478bd9Sstevel@tonic-gate 
75*7c478bd9Sstevel@tonic-gate 	if (yp_get_default_domain(&domain) != 0)
76*7c478bd9Sstevel@tonic-gate 		return (NULL);
77*7c478bd9Sstevel@tonic-gate 	if (!(nis = memget(sizeof *nis))) {
78*7c478bd9Sstevel@tonic-gate 		errno = ENOMEM;
79*7c478bd9Sstevel@tonic-gate 		return (NULL);
80*7c478bd9Sstevel@tonic-gate 	}
81*7c478bd9Sstevel@tonic-gate 	memset(nis, 0, sizeof *nis);
82*7c478bd9Sstevel@tonic-gate 	if (!(acc = memget(sizeof *acc))) {
83*7c478bd9Sstevel@tonic-gate 		memput(nis, sizeof *nis);
84*7c478bd9Sstevel@tonic-gate 		errno = ENOMEM;
85*7c478bd9Sstevel@tonic-gate 		return (NULL);
86*7c478bd9Sstevel@tonic-gate 	}
87*7c478bd9Sstevel@tonic-gate 	memset(acc, 0x5e, sizeof *acc);
88*7c478bd9Sstevel@tonic-gate 	acc->private = nis;
89*7c478bd9Sstevel@tonic-gate 	nis->domain = strdup(domain);
90*7c478bd9Sstevel@tonic-gate #ifdef WANT_IRS_GR
91*7c478bd9Sstevel@tonic-gate 	acc->gr_map = irs_nis_gr;
92*7c478bd9Sstevel@tonic-gate #else
93*7c478bd9Sstevel@tonic-gate 	acc->gr_map = NULL;
94*7c478bd9Sstevel@tonic-gate #endif
95*7c478bd9Sstevel@tonic-gate #ifdef WANT_IRS_PW
96*7c478bd9Sstevel@tonic-gate 	acc->pw_map = irs_nis_pw;
97*7c478bd9Sstevel@tonic-gate #else
98*7c478bd9Sstevel@tonic-gate 	acc->pw_map = NULL;
99*7c478bd9Sstevel@tonic-gate #endif
100*7c478bd9Sstevel@tonic-gate 	acc->sv_map = irs_nis_sv;
101*7c478bd9Sstevel@tonic-gate 	acc->pr_map = irs_nis_pr;
102*7c478bd9Sstevel@tonic-gate 	acc->ho_map = irs_nis_ho;
103*7c478bd9Sstevel@tonic-gate 	acc->nw_map = irs_nis_nw;
104*7c478bd9Sstevel@tonic-gate 	acc->ng_map = irs_nis_ng;
105*7c478bd9Sstevel@tonic-gate 	acc->res_get = nis_res_get;
106*7c478bd9Sstevel@tonic-gate 	acc->res_set = nis_res_set;
107*7c478bd9Sstevel@tonic-gate 	acc->close = nis_close;
108*7c478bd9Sstevel@tonic-gate 	return (acc);
109*7c478bd9Sstevel@tonic-gate }
110*7c478bd9Sstevel@tonic-gate 
111*7c478bd9Sstevel@tonic-gate /* Methods */
112*7c478bd9Sstevel@tonic-gate 
113*7c478bd9Sstevel@tonic-gate static struct __res_state *
114*7c478bd9Sstevel@tonic-gate nis_res_get(struct irs_acc *this) {
115*7c478bd9Sstevel@tonic-gate 	struct nis_p *nis = (struct nis_p *)this->private;
116*7c478bd9Sstevel@tonic-gate 
117*7c478bd9Sstevel@tonic-gate 	if (nis->res == NULL) {
118*7c478bd9Sstevel@tonic-gate 		struct __res_state *res;
119*7c478bd9Sstevel@tonic-gate 		res = (struct __res_state *)malloc(sizeof *res);
120*7c478bd9Sstevel@tonic-gate 		if (res == NULL)
121*7c478bd9Sstevel@tonic-gate 			return (NULL);
122*7c478bd9Sstevel@tonic-gate 		memset(res, 0, sizeof *res);
123*7c478bd9Sstevel@tonic-gate 		nis_res_set(this, res, free);
124*7c478bd9Sstevel@tonic-gate 	}
125*7c478bd9Sstevel@tonic-gate 
126*7c478bd9Sstevel@tonic-gate 	if ((nis->res->options & RES_INIT) == 0 &&
127*7c478bd9Sstevel@tonic-gate 	    res_ninit(nis->res) < 0)
128*7c478bd9Sstevel@tonic-gate 		return (NULL);
129*7c478bd9Sstevel@tonic-gate 
130*7c478bd9Sstevel@tonic-gate 	return (nis->res);
131*7c478bd9Sstevel@tonic-gate }
132*7c478bd9Sstevel@tonic-gate 
133*7c478bd9Sstevel@tonic-gate static void
134*7c478bd9Sstevel@tonic-gate nis_res_set(struct irs_acc *this, struct __res_state *res,
135*7c478bd9Sstevel@tonic-gate 		void (*free_res)(void *)) {
136*7c478bd9Sstevel@tonic-gate 	struct nis_p *nis = (struct nis_p *)this->private;
137*7c478bd9Sstevel@tonic-gate 
138*7c478bd9Sstevel@tonic-gate 	if (nis->res && nis->free_res) {
139*7c478bd9Sstevel@tonic-gate 		res_nclose(nis->res);
140*7c478bd9Sstevel@tonic-gate 		(*nis->free_res)(nis->res);
141*7c478bd9Sstevel@tonic-gate 	}
142*7c478bd9Sstevel@tonic-gate 
143*7c478bd9Sstevel@tonic-gate 	nis->res = res;
144*7c478bd9Sstevel@tonic-gate 	nis->free_res = free_res;
145*7c478bd9Sstevel@tonic-gate }
146*7c478bd9Sstevel@tonic-gate 
147*7c478bd9Sstevel@tonic-gate static void
148*7c478bd9Sstevel@tonic-gate nis_close(struct irs_acc *this) {
149*7c478bd9Sstevel@tonic-gate 	struct nis_p *nis = (struct nis_p *)this->private;
150*7c478bd9Sstevel@tonic-gate 
151*7c478bd9Sstevel@tonic-gate 	if (nis->res && nis->free_res)
152*7c478bd9Sstevel@tonic-gate 		(*nis->free_res)(nis->res);
153*7c478bd9Sstevel@tonic-gate 	free(nis->domain);
154*7c478bd9Sstevel@tonic-gate 	memput(nis, sizeof *nis);
155*7c478bd9Sstevel@tonic-gate 	memput(this, sizeof *this);
156*7c478bd9Sstevel@tonic-gate }
157*7c478bd9Sstevel@tonic-gate 
158*7c478bd9Sstevel@tonic-gate #endif /*WANT_IRS_NIS*/
159