xref: /titanic_51/usr/src/cmd/nscd/getgr.c (revision cb5caa98562cf06753163f558cbcfe30b8f4673a)
17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate  * CDDL HEADER START
37c478bd9Sstevel@tonic-gate  *
47c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*cb5caa98Sdjl  * Common Development and Distribution License (the "License").
6*cb5caa98Sdjl  * You may not use this file except in compliance with the License.
77c478bd9Sstevel@tonic-gate  *
87c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
107c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
117c478bd9Sstevel@tonic-gate  * and limitations under the License.
127c478bd9Sstevel@tonic-gate  *
137c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
147c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
167c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
177c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bd9Sstevel@tonic-gate  *
197c478bd9Sstevel@tonic-gate  * CDDL HEADER END
207c478bd9Sstevel@tonic-gate  */
217c478bd9Sstevel@tonic-gate /*
22*cb5caa98Sdjl  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
237c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
247c478bd9Sstevel@tonic-gate  */
257c478bd9Sstevel@tonic-gate 
267c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
277c478bd9Sstevel@tonic-gate 
287c478bd9Sstevel@tonic-gate /*
297c478bd9Sstevel@tonic-gate  * Routines to handle getgr* calls in nscd
307c478bd9Sstevel@tonic-gate  */
317c478bd9Sstevel@tonic-gate 
327c478bd9Sstevel@tonic-gate #include <stdlib.h>
33*cb5caa98Sdjl #include "cache.h"
347c478bd9Sstevel@tonic-gate 
35*cb5caa98Sdjl #define	nam_db	ctx->nsc_db[0]
36*cb5caa98Sdjl #define	gid_db	ctx->nsc_db[1]
377c478bd9Sstevel@tonic-gate 
38*cb5caa98Sdjl #define	NSC_NAME_GROUP_BYNAME	"getgrnam"
39*cb5caa98Sdjl #define	NSC_NAME_GROUP_BYGID	"getgrgid"
407c478bd9Sstevel@tonic-gate 
41*cb5caa98Sdjl static void grgid_getlogstr(char *, char *, size_t, nss_XbyY_args_t *);
42*cb5caa98Sdjl static int grgid_compar(const void *, const void *);
43*cb5caa98Sdjl static uint_t grgid_gethash(nss_XbyY_key_t *, int);
447c478bd9Sstevel@tonic-gate 
457c478bd9Sstevel@tonic-gate void
46*cb5caa98Sdjl group_init_ctx(nsc_ctx_t *ctx) {
47*cb5caa98Sdjl 	ctx->dbname = NSS_DBNAM_GROUP;
48*cb5caa98Sdjl 	ctx->file_name = "/etc/group";
49*cb5caa98Sdjl 	ctx->db_count = 2;
50*cb5caa98Sdjl 	nam_db = make_cache(nsc_key_ces,
51*cb5caa98Sdjl 			NSS_DBOP_GROUP_BYNAME,
52*cb5caa98Sdjl 			NSC_NAME_GROUP_BYNAME,
53*cb5caa98Sdjl 			NULL, NULL, NULL, nsc_ht_default, -1);
54*cb5caa98Sdjl 	gid_db = make_cache(nsc_key_other,
55*cb5caa98Sdjl 			NSS_DBOP_GROUP_BYGID,
56*cb5caa98Sdjl 			NSC_NAME_GROUP_BYGID,
57*cb5caa98Sdjl 			grgid_compar,
58*cb5caa98Sdjl 			grgid_getlogstr,
59*cb5caa98Sdjl 			grgid_gethash, nsc_ht_default, -1);
607c478bd9Sstevel@tonic-gate }
617c478bd9Sstevel@tonic-gate 
627c478bd9Sstevel@tonic-gate static void
63*cb5caa98Sdjl grgid_getlogstr(char *name, char *whoami, size_t len, nss_XbyY_args_t *argp) {
64*cb5caa98Sdjl 	(void) snprintf(whoami, len, "%s [key=%d]", name, argp->key.gid);
657c478bd9Sstevel@tonic-gate }
667c478bd9Sstevel@tonic-gate 
677c478bd9Sstevel@tonic-gate static int
68*cb5caa98Sdjl grgid_compar(const void *n1, const void *n2) {
69*cb5caa98Sdjl 	nsc_entry_t	*e1, *e2;
70*cb5caa98Sdjl 
71*cb5caa98Sdjl 	e1 = (nsc_entry_t *)n1;
72*cb5caa98Sdjl 	e2 = (nsc_entry_t *)n2;
73*cb5caa98Sdjl 	return (_NSC_INT_KEY_CMP(e1->key.gid, e2->key.gid));
747c478bd9Sstevel@tonic-gate }
757c478bd9Sstevel@tonic-gate 
76*cb5caa98Sdjl static uint_t
77*cb5caa98Sdjl grgid_gethash(nss_XbyY_key_t *key, int htsize) {
78*cb5caa98Sdjl 	return (key->gid % htsize);
797c478bd9Sstevel@tonic-gate }
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