xref: /illumos-gate/usr/src/cmd/nscd/gettnrhdb.c (revision cb5caa98)
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 #pragma ident	"%Z%%M%	%I%	%E% SMI"
27 
28 /*
29  * Routines to handle tsol_getrhbyaddr calls in nscd
30  */
31 
32 #include <string.h>
33 #include <stdlib.h>
34 #include <sys/types.h>
35 #include <libtsnet.h>
36 #include "cache.h"
37 
38 #define	tsol_rh_db	ctx->nsc_db[0]
39 
40 #define	NSC_NAME_TSOL_RH_BYADDR	"tsol_getrhbyaddr"
41 
42 static int tsol_rh_compar(const void *, const void *);
43 static uint_t tsol_rh_gethash(nss_XbyY_key_t *, int);
44 static void tsol_rh_getlogstr(char *, char *, size_t, nss_XbyY_args_t *);
45 
46 void
tnrhdb_init_ctx(nsc_ctx_t * ctx)47 tnrhdb_init_ctx(nsc_ctx_t *ctx) {
48 	ctx->dbname = NSS_DBNAM_TSOL_RH;
49 	ctx->db_count = 1;
50 	ctx->file_name = TNRHDB_PATH;
51 
52 	tsol_rh_db = make_cache(nsc_key_other,
53 			NSS_DBOP_TSOL_RH_BYADDR,
54 			NSC_NAME_TSOL_RH_BYADDR,
55 			tsol_rh_compar,
56 			tsol_rh_getlogstr,
57 			tsol_rh_gethash, nsc_ht_default, -1);
58 }
59 
60 static void
tsol_rh_getlogstr(char * name,char * whoami,size_t len,nss_XbyY_args_t * argp)61 tsol_rh_getlogstr(char *name, char *whoami, size_t len,
62 			nss_XbyY_args_t *argp) {
63 
64 	(void) snprintf(whoami, len, "%s [key=%s, len=%d, addrtype=%d]",
65 		name, argp->key.hostaddr.addr, argp->key.hostaddr.len,
66 		argp->key.hostaddr.type);
67 }
68 
69 static int
tsol_rh_compar(const void * n1,const void * n2)70 tsol_rh_compar(const void *n1, const void *n2) {
71 	nsc_entry_t	*e1, *e2;
72 	int		res, l1, l2;
73 
74 	e1 = (nsc_entry_t *)n1;
75 	e2 = (nsc_entry_t *)n2;
76 
77 	if (e1->key.hostaddr.type > e2->key.hostaddr.type)
78 		return (1);
79 	else if (e1->key.hostaddr.type < e2->key.hostaddr.type)
80 		return (-1);
81 
82 	l1 = strlen(e1->key.hostaddr.addr);
83 	l2 = strlen(e2->key.hostaddr.addr);
84 	res = strncasecmp(e1->key.hostaddr.addr, e2->key.hostaddr.addr,
85 		(l1 > l2)?l1:l2);
86 	return (_NSC_INT_KEY_CMP(res, 0));
87 }
88 
89 static uint_t
tsol_rh_gethash(nss_XbyY_key_t * key,int htsize)90 tsol_rh_gethash(nss_XbyY_key_t *key, int htsize) {
91 	return (db_gethash(key->hostaddr.addr,
92 			strlen(key->hostaddr.addr), htsize));
93 }
94