getuserattr.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) 1999 by Sun Microsystems, Inc.
* All rights reserved.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
#include <user_attr.h>
#include <stdlib.h>
#include <string.h>
#include "nisplus_common.h"
#include "nisplus_tables.h"
static nss_status_t
getbynam(nisplus_backend_ptr_t be, void *a)
{
nss_XbyY_args_t *argp = (nss_XbyY_args_t *)a;
return (_nss_nisplus_lookup(be,
argp, USERATTR_TAG_NAME, argp->key.name));
}
/*
* place the results from the nis_object structure into argp->buf.result
* Returns NSS_STR_PARSE_{SUCCESS, ERANGE, PARSE}
*/
static int
nis_object2userstr(int nobj, nis_object *obj, nss_XbyY_args_t *argp)
{
int len;
int buflen = argp->buf.buflen;
char *buffer, *limit, *val, *endnum, *nullstring;
char *empty = "";
userstr_t *user;
struct entry_col *ecol;
limit = argp->buf.buffer + buflen;
user = (userstr_t *)argp->buf.result;
buffer = argp->buf.buffer;
/*
* If we got more than one nis_object, we just ignore object(s)
* except the first. Although it should never have happened.
*
* ASSUMPTION: All the columns in the NIS+ tables are
* null terminated.
*/
if (obj->zo_data.zo_type != ENTRY_OBJ ||
obj->EN_data.en_cols.en_cols_len < USERATTR_COL) {
/* namespace/table/object is curdled */
return (NSS_STR_PARSE_PARSE);
}
ecol = obj->EN_data.en_cols.en_cols_val;
/*
* userstr->name: user name
*/
EC_SET(ecol, USERATTR_NDX_NAME, len, val);
if (len < 1 || (*val == '\0')) {
val = empty;
}
user->name = buffer;
buffer += len;
if (buffer >= limit) {
return (NSS_STR_PARSE_ERANGE);
}
strcpy(user->name, val);
nullstring = (buffer - 1);
/*
* userstr->qualifier: reserved for future use
*/
EC_SET(ecol, USERATTR_NDX_QUALIFIER, len, val);
if (len < 1 || (*val == '\0')) {
val = empty;
}
user->qualifier = buffer;
buffer += len;
if (buffer >= limit) {
return (NSS_STR_PARSE_ERANGE);
}
strcpy(user->qualifier, val);
nullstring = (buffer - 1);
/*
* userstr->res1: reserved field 1
*/
EC_SET(ecol, USERATTR_NDX_RES1, len, val);
if (len < 1 || (*val == '\0')) {
val = empty;
}
user->res1 = buffer;
buffer += len;
if (buffer >= limit) {
return (NSS_STR_PARSE_ERANGE);
}
strcpy(user->res1, val);
nullstring = (buffer - 1);
/*
* userstr->res2: reserved field 2
*/
EC_SET(ecol, USERATTR_NDX_RES2, len, val);
if (len < 1 || (*val == '\0')) {
val = empty;
}
user->res2 = buffer;
buffer += len;
if (buffer >= limit) {
return (NSS_STR_PARSE_ERANGE);
}
strcpy(user->res2, val);
nullstring = (buffer - 1);
/*
* userstr->attrs: key-value pairs of attributes
*/
EC_SET(ecol, USERATTR_NDX_ATTR, len, val);
if (len < 1 || (*val == '\0')) {
val = empty;
}
user->attr = buffer;
buffer += len;
if (buffer >= limit) {
return (NSS_STR_PARSE_ERANGE);
}
strcpy(user->attr, val);
nullstring = (buffer - 1);
return (NSS_STR_PARSE_SUCCESS);
}
static nisplus_backend_op_t userattr_ops[] = {
_nss_nisplus_destr,
_nss_nisplus_endent,
_nss_nisplus_setent,
_nss_nisplus_getent,
getbynam
};
nss_backend_t *
_nss_nisplus_user_attr_constr(const char *dummy1,
const char *dummy2,
const char *dummy3,
const char *dummy4,
const char *dummy5)
{
return (_nss_nisplus_constr(userattr_ops,
sizeof (userattr_ops)/sizeof (userattr_ops[0]),
USERATTR_TBLNAME,
nis_object2userstr));
}