getservent.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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 (c) 1988-1995 Sun Microsystems Inc
* All Rights Reserved.
*
* files/getservent.c -- "files" backend for nsswitch "services" database
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <netdb.h>
#include "files_common.h"
#include <sys/types.h>
#include <netinet/in.h>
#include <strings.h>
static int
check_name(args)
nss_XbyY_args_t *args;
{
struct servent *serv = (struct servent *) args->returnval;
const char *name = args->key.serv.serv.name;
const char *proto = args->key.serv.proto;
char **aliasp;
if (proto != 0 && strcmp(serv->s_proto, proto) != 0) {
return (0);
}
if (strcmp(serv->s_name, name) == 0) {
return (1);
}
for (aliasp = serv->s_aliases; *aliasp != 0; aliasp++) {
if (strcmp(*aliasp, name) == 0) {
return (1);
}
}
return (0);
}
static nss_status_t
getbyname(be, a)
files_backend_ptr_t be;
void *a;
{
nss_XbyY_args_t *argp = (nss_XbyY_args_t *) a;
return (_nss_files_XY_all(be, argp, 1,
argp->key.serv.serv.name, check_name));
}
static int
check_port(args)
nss_XbyY_args_t *args;
{
struct servent *serv = (struct servent *) args->returnval;
const char *proto = args->key.serv.proto;
return (serv->s_port == args->key.serv.serv.port &&
(proto == 0 || strcmp(serv->s_proto, proto) == 0));
}
static nss_status_t
getbyport(be, a)
files_backend_ptr_t be;
void *a;
{
nss_XbyY_args_t *argp = (nss_XbyY_args_t *) a;
char portstr[12];
sprintf(portstr, "%d", ntohs(argp->key.serv.serv.port));
return (_nss_files_XY_all(be, argp, 1, portstr, check_port));
}
static files_backend_op_t serv_ops[] = {
_nss_files_destr,
_nss_files_endent,
_nss_files_setent,
_nss_files_getent_netdb,
getbyname,
getbyport
};
/*ARGSUSED*/
nss_backend_t *
_nss_files_services_constr(dummy1, dummy2, dummy3)
const char *dummy1, *dummy2, *dummy3;
{
return (_nss_files_constr(serv_ops,
sizeof (serv_ops) / sizeof (serv_ops[0]),
_PATH_SERVICES,
NSS_LINELEN_SERVICES,
NULL));
}