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 tsol_getrhbyaddr calls in nscd
28 */
29
30 #include <string.h>
31 #include <stdlib.h>
32 #include <sys/types.h>
33 #include <libtsnet.h>
34 #include "cache.h"
35
36 #define tsol_rh_db ctx->nsc_db[0]
37
38 #define NSC_NAME_TSOL_RH_BYADDR "tsol_getrhbyaddr"
39
40 static int tsol_rh_compar(const void *, const void *);
41 static uint_t tsol_rh_gethash(nss_XbyY_key_t *, int);
42 static void tsol_rh_getlogstr(char *, char *, size_t, nss_XbyY_args_t *);
43
44 void
tnrhdb_init_ctx(nsc_ctx_t * ctx)45 tnrhdb_init_ctx(nsc_ctx_t *ctx) {
46 ctx->dbname = NSS_DBNAM_TSOL_RH;
47 ctx->db_count = 1;
48 ctx->file_name = TNRHDB_PATH;
49
50 tsol_rh_db = make_cache(nsc_key_other,
51 NSS_DBOP_TSOL_RH_BYADDR,
52 NSC_NAME_TSOL_RH_BYADDR,
53 tsol_rh_compar,
54 tsol_rh_getlogstr,
55 tsol_rh_gethash, nsc_ht_default, -1);
56 }
57
58 static void
tsol_rh_getlogstr(char * name,char * whoami,size_t len,nss_XbyY_args_t * argp)59 tsol_rh_getlogstr(char *name, char *whoami, size_t len,
60 nss_XbyY_args_t *argp) {
61
62 (void) snprintf(whoami, len, "%s [key=%s, len=%d, addrtype=%d]",
63 name, argp->key.hostaddr.addr, argp->key.hostaddr.len,
64 argp->key.hostaddr.type);
65 }
66
67 static int
tsol_rh_compar(const void * n1,const void * n2)68 tsol_rh_compar(const void *n1, const void *n2) {
69 nsc_entry_t *e1, *e2;
70 int res, l1, l2;
71
72 e1 = (nsc_entry_t *)n1;
73 e2 = (nsc_entry_t *)n2;
74
75 if (e1->key.hostaddr.type > e2->key.hostaddr.type)
76 return (1);
77 else if (e1->key.hostaddr.type < e2->key.hostaddr.type)
78 return (-1);
79
80 l1 = strlen(e1->key.hostaddr.addr);
81 l2 = strlen(e2->key.hostaddr.addr);
82 res = strncasecmp(e1->key.hostaddr.addr, e2->key.hostaddr.addr,
83 (l1 > l2)?l1:l2);
84 return (_NSC_INT_KEY_CMP(res, 0));
85 }
86
87 static uint_t
tsol_rh_gethash(nss_XbyY_key_t * key,int htsize)88 tsol_rh_gethash(nss_XbyY_key_t *key, int htsize) {
89 return (db_gethash(key->hostaddr.addr,
90 strlen(key->hostaddr.addr), htsize));
91 }
92