getrpcent.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
*/
/*
* getrpcent.c
*
* Copyright (c) 1988-1992 Sun Microsystems Inc
* All Rights Reserved.
*
* nisplus/getrpcent.c -- NIS+ backend for nsswitch "rpc" database
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <string.h>
#include <netdb.h>
#include <rpc/rpcent.h>
#include <stdlib.h>
#include "nisplus_common.h"
#include "nisplus_tables.h"
static nss_status_t
getbyname(be, a)
nisplus_backend_ptr_t be;
void *a;
{
nss_XbyY_args_t *argp = (nss_XbyY_args_t *) a;
/*
* Don't have to do anything for case-insensitivity; the NIS+ table
* has the right flags enabled in the 'cname' and 'name' columns.
*/
return (_nss_nisplus_lookup(be, argp, RPC_TAG_NAME, argp->key.name));
}
static nss_status_t
getbynumber(be, a)
nisplus_backend_ptr_t be;
void *a;
{
nss_XbyY_args_t *argp = (nss_XbyY_args_t *) a;
char numstr[12];
sprintf(numstr, "%d", argp->key.number);
return (_nss_nisplus_lookup(be, argp, RPC_TAG_NUMBER, numstr));
}
/*
* place the results from the nis_object structure into argp->buf.result
* Returns NSS_STR_PARSE_{SUCCESS, ERANGE, PARSE}
*/
static int
nis_object2ent(nobj, obj, argp)
int nobj;
nis_object *obj;
nss_XbyY_args_t *argp;
{
char *buffer, *limit, *val;
int buflen = argp->buf.buflen;
struct rpcent *rpc;
int len, ret;
struct entry_col *ecol;
limit = argp->buf.buffer + buflen;
rpc = (struct rpcent *)argp->buf.result;
buffer = argp->buf.buffer;
/*
* <-----buffer + buflen -------------->
* |-----------------|----------------|
* | pointers vector | aliases grow |
* | for aliases | |
* | this way -> | <- this way |
* |-----------------|----------------|
*
*
* ASSUME: name, aliases and number columns in NIS+ tables ARE
* null terminated.
*
* get cname and aliases
*/
rpc->r_aliases = (char **) ROUND_UP(buffer, (sizeof (char **)));
if ((char *)rpc->r_aliases >= limit) {
return (NSS_STR_PARSE_ERANGE);
}
rpc->r_name = NULL;
/*
* Assume that CNAME is the first column and NAME the second.
*/
ret = netdb_aliases_from_nisobj(obj, nobj, NULL,
rpc->r_aliases, &limit, &(rpc->r_name), &len);
if (ret != NSS_STR_PARSE_SUCCESS)
return (ret);
/*
* get program number from the first object
*
*/
ecol = obj->EN_data.en_cols.en_cols_val;
EC_SET(ecol, RPC_NDX_NUMBER, len, val);
if (len <= 0)
return (NSS_STR_PARSE_PARSE);
rpc->r_number = atoi(val);
return (NSS_STR_PARSE_SUCCESS);
}
static nisplus_backend_op_t rpc_ops[] = {
_nss_nisplus_destr,
_nss_nisplus_endent,
_nss_nisplus_setent,
_nss_nisplus_getent,
getbyname,
getbynumber
};
/*ARGSUSED*/
nss_backend_t *
_nss_nisplus_rpc_constr(dummy1, dummy2, dummy3)
const char *dummy1, *dummy2, *dummy3;
{
return (_nss_nisplus_constr(rpc_ops,
sizeof (rpc_ops) / sizeof (rpc_ops[0]),
RPC_TBLNAME, nis_object2ent));
}