/*
* 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 getnet* calls in nscd
*/
#include <string.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include "cache.h"
#define nam_db ctx->nsc_db[0]
#define addr_db ctx->nsc_db[1]
#define NSC_NAME_NETWORKS_BYNAME "getnetbyname"
#define NSC_NAME_NETWORKS_BYADDR "getnetbyaddr"
static int netaddr_compar(const void *, const void *);
static uint_t netaddr_gethash(nss_XbyY_key_t *, int);
static void netaddr_getlogstr(char *, char *, size_t, nss_XbyY_args_t *);
void
net_init_ctx(nsc_ctx_t *ctx) {
ctx->dbname = NSS_DBNAM_NETWORKS;
ctx->db_count = 2;
ctx->file_name = "/etc/inet/networks";
nam_db = make_cache(nsc_key_ces,
NSS_DBOP_NETWORKS_BYNAME,
NSC_NAME_NETWORKS_BYNAME,
NULL, NULL, NULL, nsc_ht_default, -1);
addr_db = make_cache(nsc_key_other,
NSS_DBOP_NETWORKS_BYADDR,
NSC_NAME_NETWORKS_BYADDR,
netaddr_compar,
netaddr_getlogstr,
netaddr_gethash, nsc_ht_default, -1);
}
static void
netaddr_getlogstr(char *name, char *whoami, size_t len, nss_XbyY_args_t *argp) {
if (argp->key.netaddr.type == AF_INET) {
uint32_t net;
uchar_t *up;
net = htonl(argp->key.netaddr.net);
up = (uchar_t *)&net;
if (up[0])
(void) snprintf(whoami, len, "%s [key=%d.%d.%d.%d]",
name,
up[0], up[1], up[2], up[3]);
else if (up[1])
(void) snprintf(whoami, len, "%s [key=%d.%d.%d]",
name,
up[1], up[2], up[3]);
else if (up[2])
(void) snprintf(whoami, len, "%s [key=%d.%d]",
name,
up[2], up[3]);
else
(void) snprintf(whoami, len, "%s [key=%d]",
name,
up[3]);
} else {
(void) snprintf(whoami, len, "%s [key=%d, %d]",
name,
argp->key.netaddr.net, argp->key.netaddr.type);
}
}
static int
netaddr_compar(const void *n1, const void *n2) {
nsc_entry_t *e1, *e2;
e1 = (nsc_entry_t *)n1;
e2 = (nsc_entry_t *)n2;
if (e1->key.netaddr.type > e2->key.netaddr.type)
return (1);
else if (e1->key.netaddr.type < e2->key.netaddr.type)
return (-1);
return (_NSC_INT_KEY_CMP(e1->key.netaddr.net, e2->key.netaddr.net));
}
static uint_t
netaddr_gethash(nss_XbyY_key_t *key, int htsize) {
return (db_gethash(&key->netaddr.net,
sizeof (key->netaddr.net), htsize));
}