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/*
* 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 (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
*/
#include <shadow.h>
#include <stdlib.h>
#include "ad_common.h"
static int
update_buffer(ad_backend_ptr be, nss_XbyY_args_t *argp,
const char *name, const char *domain)
{
int buflen;
char *buffer;
/*
* The user password is not available in the AD object and therefore
* sp_pwdp will be "*NP*".
*
* nss_ad will leave aging fields empty (i.e. The front end
* marshaller will set sp_lstchgst, sp_min, sp_max, sp_warn,
* sp_inact, and sp_expire to -1 and sp_flag to 0) because shadow
* fields are irrevalent with AD and krb5.
*/
buflen = snprintf(NULL, 0, "%s@%s:*NP*:::::::", name, domain) + 1;
if (argp->buf.result != NULL) {
buffer = be->buffer = malloc(buflen);
if (be->buffer == NULL)
return (-1);
be->buflen = buflen;
} else {
if (buflen > argp->buf.buflen)
return (-1);
buflen = argp->buf.buflen;
buffer = argp->buf.buffer;
}
buflen = snprintf(buffer, buflen, "%s@%s:*NP*:::::::",
name, domain) + 1;
return (0);
}
/*
* getbynam gets a shadow entry by winname. This function constructs an ldap
* search filter using the name invocation parameter and the getspnam search
* filter defined. Once the filter is constructed we search for a matching
* entry and marshal the data results into struct shadow for the frontend
* process. The function _nss_ad_shadow2ent performs the data marshaling.
*/
static nss_status_t
getbynam(ad_backend_ptr be, void *a)
{
nss_XbyY_args_t *argp = (nss_XbyY_args_t *)a;
char name[SEARCHFILTERLEN + 1];
char *dname;
nss_status_t stat;
idmap_stat idmaprc;
uid_t uid;
int is_user, is_wuser;
be->db_type = NSS_AD_DB_SHADOW_BYNAME;
/* Sanitize name so that it can be used in our LDAP filter */
if (_ldap_filter_name(name, argp->key.name, sizeof (name)) != 0)
return ((nss_status_t)NSS_NOTFOUND);
if ((dname = strchr(name, '@')) == NULL)
return ((nss_status_t)NSS_NOTFOUND);
*dname = '\0';
dname++;
/*
* Use idmap service to verify that the given
* name is a valid Windows name.
*/
is_wuser = -1;
is_user = 1;
idmaprc = idmap_get_w2u_mapping(NULL, NULL, name, dname,
0, &is_user, &is_wuser, &uid, NULL, NULL, NULL);
if (idmaprc != IDMAP_SUCCESS) {
RESET_ERRNO();
return ((nss_status_t)NSS_NOTFOUND);
}
/* Create shadow(4) style string */
if (update_buffer(be, argp, name, dname) < 0)
return ((nss_status_t)NSS_NOTFOUND);
/* Marshall the data, sanitize the return status and return */
stat = _nss_ad_marshall_data(be, argp);
return (_nss_ad_sanitize_status(be, argp, stat));
}
static ad_backend_op_t sp_ops[] = {
_nss_ad_destr,
_nss_ad_endent,
_nss_ad_setent,
_nss_ad_getent,
getbynam
};
/*
* _nss_ad_passwd_constr is where life begins. This function calls the
* generic ldap constructor function to define and build the abstract
* data types required to support ldap operations.
*/
/*ARGSUSED0*/
nss_backend_t *
_nss_ad_shadow_constr(const char *dummy1, const char *dummy2,
const char *dummy3)
{
return ((nss_backend_t *)_nss_ad_constr(sp_ops,
sizeof (sp_ops)/sizeof (sp_ops[0]),
_SHADOW, NULL, NULL));
}
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