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
26 /*
27 * Routines to handle getpw* calls in nscd
28 */
29
30 #include <stdlib.h>
31 #include "cache.h"
32
33 #define nam_db ctx->nsc_db[0]
34 #define uid_db ctx->nsc_db[1]
35
36 #define NSC_NAME_PASSWD_BYNAME "getpwnam"
37 #define NSC_NAME_PASSWD_BYUID "getpwuid"
38
39 static void pwuid_getlogstr(char *, char *, size_t, nss_XbyY_args_t *);
40 static int pwuid_compar(const void *, const void *);
41 static uint_t pwuid_gethash(nss_XbyY_key_t *, int);
42
43 void
passwd_init_ctx(nsc_ctx_t * ctx)44 passwd_init_ctx(nsc_ctx_t *ctx) {
45 ctx->dbname = NSS_DBNAM_PASSWD;
46 ctx->file_name = "/etc/passwd";
47 ctx->db_count = 2;
48 ctx->cfg.pos_ttl = 600;
49 nam_db = make_cache(nsc_key_ces,
50 NSS_DBOP_PASSWD_BYNAME,
51 NSC_NAME_PASSWD_BYNAME,
52 NULL, NULL,
53 NULL, nsc_ht_default, -1);
54
55 uid_db = make_cache(nsc_key_other,
56 NSS_DBOP_PASSWD_BYUID,
57 NSC_NAME_PASSWD_BYUID,
58 pwuid_compar,
59 pwuid_getlogstr,
60 pwuid_gethash, nsc_ht_default, -1);
61 }
62
63 static int
pwuid_compar(const void * n1,const void * n2)64 pwuid_compar(const void *n1, const void *n2) {
65 nsc_entry_t *e1, *e2;
66
67 e1 = (nsc_entry_t *)n1;
68 e2 = (nsc_entry_t *)n2;
69 return (_NSC_INT_KEY_CMP(e1->key.uid, e2->key.uid));
70 }
71
72 static uint_t
pwuid_gethash(nss_XbyY_key_t * key,int htsize)73 pwuid_gethash(nss_XbyY_key_t *key, int htsize) {
74 return ((uint_t)key->uid % htsize);
75 }
76
77 static void
pwuid_getlogstr(char * name,char * whoami,size_t len,nss_XbyY_args_t * argp)78 pwuid_getlogstr(char *name, char *whoami, size_t len, nss_XbyY_args_t *argp) {
79 (void) snprintf(whoami, len, "%s [key=%d]", name, argp->key.uid);
80 }
81