1*cb5caa98Sdjl /*
2*cb5caa98Sdjl * CDDL HEADER START
3*cb5caa98Sdjl *
4*cb5caa98Sdjl * 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.
7*cb5caa98Sdjl *
8*cb5caa98Sdjl * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*cb5caa98Sdjl * or http://www.opensolaris.org/os/licensing.
10*cb5caa98Sdjl * See the License for the specific language governing permissions
11*cb5caa98Sdjl * and limitations under the License.
12*cb5caa98Sdjl *
13*cb5caa98Sdjl * When distributing Covered Code, include this CDDL HEADER in each
14*cb5caa98Sdjl * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*cb5caa98Sdjl * If applicable, add the following below this CDDL HEADER, with the
16*cb5caa98Sdjl * fields enclosed by brackets "[]" replaced with your own identifying
17*cb5caa98Sdjl * information: Portions Copyright [yyyy] [name of copyright owner]
18*cb5caa98Sdjl *
19*cb5caa98Sdjl * CDDL HEADER END
20*cb5caa98Sdjl */
21*cb5caa98Sdjl /*
22*cb5caa98Sdjl * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
23*cb5caa98Sdjl * Use is subject to license terms.
24*cb5caa98Sdjl */
25*cb5caa98Sdjl
26*cb5caa98Sdjl #pragma ident "%Z%%M% %I% %E% SMI"
27*cb5caa98Sdjl
28*cb5caa98Sdjl /*
29*cb5caa98Sdjl * Routines to handle ether_*to* calls in nscd
30*cb5caa98Sdjl */
31*cb5caa98Sdjl
32*cb5caa98Sdjl #include <stdlib.h>
33*cb5caa98Sdjl #include <net/if.h>
34*cb5caa98Sdjl #include <netinet/in.h>
35*cb5caa98Sdjl #include <netinet/if_ether.h>
36*cb5caa98Sdjl #include <string.h>
37*cb5caa98Sdjl #include "cache.h"
38*cb5caa98Sdjl
39*cb5caa98Sdjl #define host_db ctx->nsc_db[0]
40*cb5caa98Sdjl #define addr_db ctx->nsc_db[1]
41*cb5caa98Sdjl
42*cb5caa98Sdjl #define NSC_NAME_ETHERS_HOSTTON "ether_hostton"
43*cb5caa98Sdjl #define NSC_NAME_ETHERS_NTOHOST "ether_ntohost"
44*cb5caa98Sdjl
45*cb5caa98Sdjl static void ether_getlogstr(char *, char *, size_t, nss_XbyY_args_t *);
46*cb5caa98Sdjl static int ether_compar(const void *, const void *);
47*cb5caa98Sdjl static uint_t ether_gethash(nss_XbyY_key_t *, int);
48*cb5caa98Sdjl
49*cb5caa98Sdjl void
ether_init_ctx(nsc_ctx_t * ctx)50*cb5caa98Sdjl ether_init_ctx(nsc_ctx_t *ctx) {
51*cb5caa98Sdjl ctx->dbname = NSS_DBNAM_ETHERS;
52*cb5caa98Sdjl ctx->file_name = "/etc/ethers";
53*cb5caa98Sdjl ctx->db_count = 2;
54*cb5caa98Sdjl host_db = make_cache(nsc_key_cis,
55*cb5caa98Sdjl NSS_DBOP_ETHERS_HOSTTON,
56*cb5caa98Sdjl NSC_NAME_ETHERS_HOSTTON,
57*cb5caa98Sdjl NULL, NULL, NULL, nsc_ht_default, -1);
58*cb5caa98Sdjl
59*cb5caa98Sdjl addr_db = make_cache(nsc_key_other,
60*cb5caa98Sdjl NSS_DBOP_ETHERS_NTOHOST,
61*cb5caa98Sdjl NSC_NAME_ETHERS_NTOHOST,
62*cb5caa98Sdjl ether_compar,
63*cb5caa98Sdjl ether_getlogstr,
64*cb5caa98Sdjl ether_gethash, nsc_ht_default, -1);
65*cb5caa98Sdjl }
66*cb5caa98Sdjl
67*cb5caa98Sdjl static int
ether_compar(const void * n1,const void * n2)68*cb5caa98Sdjl ether_compar(const void *n1, const void *n2) {
69*cb5caa98Sdjl nsc_entry_t *e1, *e2;
70*cb5caa98Sdjl int res;
71*cb5caa98Sdjl
72*cb5caa98Sdjl e1 = (nsc_entry_t *)n1;
73*cb5caa98Sdjl e2 = (nsc_entry_t *)n2;
74*cb5caa98Sdjl if (ether_cmp(e1->key.ether, e2->key.ether) != 0) {
75*cb5caa98Sdjl res = memcmp(e1->key.ether, e2->key.ether,
76*cb5caa98Sdjl sizeof (struct ether_addr));
77*cb5caa98Sdjl return (_NSC_INT_KEY_CMP(res, 0));
78*cb5caa98Sdjl }
79*cb5caa98Sdjl return (0);
80*cb5caa98Sdjl }
81*cb5caa98Sdjl
82*cb5caa98Sdjl static uint_t
ether_gethash(nss_XbyY_key_t * key,int htsize)83*cb5caa98Sdjl ether_gethash(nss_XbyY_key_t *key, int htsize) {
84*cb5caa98Sdjl return (db_gethash(key->ether, sizeof (struct ether_addr),
85*cb5caa98Sdjl htsize));
86*cb5caa98Sdjl }
87*cb5caa98Sdjl
88*cb5caa98Sdjl static void
ether_getlogstr(char * name,char * whoami,size_t len,nss_XbyY_args_t * argp)89*cb5caa98Sdjl ether_getlogstr(char *name, char *whoami, size_t len, nss_XbyY_args_t *argp) {
90*cb5caa98Sdjl struct ether_addr *e;
91*cb5caa98Sdjl e = (struct ether_addr *)argp->key.ether;
92*cb5caa98Sdjl (void) snprintf(whoami, len, "%s [key=%x:%x:%x:%x:%x:%x]",
93*cb5caa98Sdjl name,
94*cb5caa98Sdjl e->ether_addr_octet[0], e->ether_addr_octet[1],
95*cb5caa98Sdjl e->ether_addr_octet[2], e->ether_addr_octet[3],
96*cb5caa98Sdjl e->ether_addr_octet[4], e->ether_addr_octet[5]);
97*cb5caa98Sdjl }
98