/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* Routines to handle ether_*to* calls in nscd
*/
#include <stdlib.h>
#include <net/if.h>
#include <netinet/in.h>
#include <netinet/if_ether.h>
#include <string.h>
#include "cache.h"
#define host_db ctx->nsc_db[0]
#define addr_db ctx->nsc_db[1]
#define NSC_NAME_ETHERS_HOSTTON "ether_hostton"
#define NSC_NAME_ETHERS_NTOHOST "ether_ntohost"
static void ether_getlogstr(char *, char *, size_t, nss_XbyY_args_t *);
static int ether_compar(const void *, const void *);
static uint_t ether_gethash(nss_XbyY_key_t *, int);
void
ether_init_ctx(nsc_ctx_t *ctx) {
ctx->dbname = NSS_DBNAM_ETHERS;
ctx->file_name = "/etc/ethers";
ctx->db_count = 2;
host_db = make_cache(nsc_key_cis,
NSS_DBOP_ETHERS_HOSTTON,
NSC_NAME_ETHERS_HOSTTON,
NULL, NULL, NULL, nsc_ht_default, -1);
addr_db = make_cache(nsc_key_other,
NSS_DBOP_ETHERS_NTOHOST,
NSC_NAME_ETHERS_NTOHOST,
ether_compar,
ether_getlogstr,
ether_gethash, nsc_ht_default, -1);
}
static int
ether_compar(const void *n1, const void *n2) {
nsc_entry_t *e1, *e2;
int res;
e1 = (nsc_entry_t *)n1;
e2 = (nsc_entry_t *)n2;
if (ether_cmp(e1->key.ether, e2->key.ether) != 0) {
res = memcmp(e1->key.ether, e2->key.ether,
sizeof (struct ether_addr));
return (_NSC_INT_KEY_CMP(res, 0));
}
return (0);
}
static uint_t
ether_gethash(nss_XbyY_key_t *key, int htsize) {
return (db_gethash(key->ether, sizeof (struct ether_addr),
htsize));
}
static void
ether_getlogstr(char *name, char *whoami, size_t len, nss_XbyY_args_t *argp) {
struct ether_addr *e;
e = (struct ether_addr *)argp->key.ether;
(void) snprintf(whoami, len, "%s [key=%x:%x:%x:%x:%x:%x]",
name,
e->ether_addr_octet[0], e->ether_addr_octet[1],
e->ether_addr_octet[2], e->ether_addr_octet[3],
e->ether_addr_octet[4], e->ether_addr_octet[5]);
}