bootparams_getbyname.c revision cb5caa98562cf06753163f558cbcfe30b8f4673a
/*
* 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.
*/
/*
* nisplus/bootparams_getbyname.c
*
* nisplus backend for nsswitch bootparams database.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <nss_dbdefs.h>
#include <strings.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;
return (_nss_nisplus_lookup(be, argp, BOOTPARAM_TAG_KEY,
argp->key.name));
}
/*
* place the results from the nis_object structure into argp->buf.buffer
* that was supplied by the caller.
* Returns NSS_STR_PARSE_{SUCCESS, ERANGE, PARSE}
*/
/*ARGSUSED*/
static int
nis_object2str(nobj, obj, be, argp)
int nobj;
nis_object *obj;
nisplus_backend_ptr_t be;
nss_XbyY_args_t *argp;
{
char *buffer, *val;
int buflen, vallen;
struct entry_col *ecol;
/*
* If we got more than one nis_object, we just ignore it.
* Although it should never have happened.
*
* ASSUMPTION: All the columns in the NIS+ tables are
* null terminated.
*/
if (obj->zo_data.zo_type != NIS_ENTRY_OBJ ||
obj->EN_data.en_cols.en_cols_len < BOOTPARAM_COL) {
/* namespace/table/object is curdled */
return (NSS_STR_PARSE_PARSE);
}
ecol = obj->EN_data.en_cols.en_cols_val;
/* datum */
__NISPLUS_GETCOL_OR_EMPTY(ecol, BOOTPARAM_NDX_DATUM, vallen, val);
buflen = vallen + 1;
if (argp->buf.result != NULL) {
if ((be->buffer = calloc(1, buflen)) == NULL)
return (NSS_STR_PARSE_PARSE);
/* include trailing null in length */
be->buflen = buflen;
buffer = be->buffer;
} else {
if (buflen > argp->buf.buflen)
return (NSS_STR_PARSE_ERANGE);
buflen = argp->buf.buflen;
buffer = argp->buf.buffer;
(void) memset(buffer, 0, buflen);
}
(void) snprintf(buffer, buflen, "%s", val);
#ifdef DEBUG
(void) fprintf(stdout, "bootparams [%s]\n", buffer);
(void) fflush(stdout);
#endif /* DEBUG */
return (NSS_STR_PARSE_SUCCESS);
}
static nisplus_backend_op_t bootparams_ops[] = {
_nss_nisplus_destr,
getbyname
};
/*ARGSUSED*/
nss_backend_t *
_nss_nisplus_bootparams_constr(dummy1, dummy2, dummy3)
const char *dummy1, *dummy2, *dummy3;
{
return (_nss_nisplus_constr(bootparams_ops,
sizeof (bootparams_ops) / sizeof (bootparams_ops[0]),
BOOTPARAM_TBLNAME, nis_object2str));
}