/*
* 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 getserv* calls in nscd
*/
#include <strings.h>
#include "cache.h"
#define name_db ctx->nsc_db[0]
#define port_db ctx->nsc_db[1]
#define NSC_NAME_SERVICES_BYNAME "getservbyname"
#define NSC_NAME_SERVICES_BYPORT "getservbyport"
static void servname_getlogstr(char *, char *, size_t, nss_XbyY_args_t *);
static int servname_compar(const void *, const void *);
static uint_t servname_gethash(nss_XbyY_key_t *, int);
static void servport_getlogstr(char *, char *, size_t, nss_XbyY_args_t *);
static int servport_compar(const void *, const void *);
static uint_t servport_gethash(nss_XbyY_key_t *, int);
void
serv_init_ctx(nsc_ctx_t *ctx) {
ctx->dbname = NSS_DBNAM_SERVICES;
ctx->file_name = "/etc/services";
ctx->db_count = 2;
name_db = make_cache(nsc_key_other,
NSS_DBOP_SERVICES_BYNAME,
NSC_NAME_SERVICES_BYNAME,
servname_compar,
servname_getlogstr,
servname_gethash, nsc_ht_default, -1);
port_db = make_cache(nsc_key_other,
NSS_DBOP_SERVICES_BYPORT,
NSC_NAME_SERVICES_BYPORT,
servport_compar,
servport_getlogstr,
servport_gethash, nsc_ht_default, -1);
}
static int
servname_compar(const void *n1, const void *n2) {
nsc_entry_t *e1, *e2;
int res, l1, l2;
e1 = (nsc_entry_t *)n1;
e2 = (nsc_entry_t *)n2;
/* compare protocol */
if (e1->key.serv.proto == NULL && e2->key.serv.proto)
return (-1);
if (e1->key.serv.proto && e2->key.serv.proto == NULL)
return (1);
if (e1->key.serv.proto) {
l1 = strlen(e1->key.serv.proto);
l2 = strlen(e2->key.serv.proto);
res = strncmp(e1->key.serv.proto, e2->key.serv.proto,
(l1 > l2)?l1:l2);
if (res > 0)
return (1);
if (res < 0)
return (-1);
}
/* compare service name */
l1 = strlen(e1->key.serv.serv.name);
l2 = strlen(e2->key.serv.serv.name);
res = strncmp(e1->key.serv.serv.name, e2->key.serv.serv.name,
(l1 > l2)?l1:l2);
return (_NSC_INT_KEY_CMP(res, 0));
}
static uint_t
servname_gethash(nss_XbyY_key_t *key, int htsize) {
return (ces_gethash(key->serv.serv.name, htsize));
}
static void
servname_getlogstr(char *name, char *whoami, size_t len,
nss_XbyY_args_t *argp) {
(void) snprintf(whoami, len, "%s [key=%s, %s]",
name,
argp->key.serv.serv.name,
check_null(argp->key.serv.proto));
}
static int
servport_compar(const void *n1, const void *n2) {
nsc_entry_t *e1, *e2;
int res, l1, l2;
e1 = (nsc_entry_t *)n1;
e2 = (nsc_entry_t *)n2;
/* compare protocol */
if (e1->key.serv.proto == NULL && e2->key.serv.proto)
return (-1);
if (e1->key.serv.proto && e2->key.serv.proto == NULL)
return (1);
if (e1->key.serv.proto) {
l1 = strlen(e1->key.serv.proto);
l2 = strlen(e2->key.serv.proto);
res = strncmp(e1->key.serv.proto, e2->key.serv.proto,
(l1 > l2)?l1:l2);
if (res > 0)
return (1);
if (res < 0)
return (-1);
}
/* compare port */
return (_NSC_INT_KEY_CMP(e1->key.serv.serv.port,
e2->key.serv.serv.port));
}
static uint_t
servport_gethash(nss_XbyY_key_t *key, int htsize) {
return (db_gethash(&key->serv.serv.port,
sizeof (key->serv.serv.port), htsize));
}
static void
servport_getlogstr(char *name, char *whoami, size_t len,
nss_XbyY_args_t *argp) {
(void) snprintf(whoami, len, "%s [key=%d, %s]",
name,
argp->key.serv.serv.port,
check_null(argp->key.serv.proto));
}