/*
 * 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.
 */

#include "ldap_common.h"
#include <sys/tsol/tndb.h>

/* tnrhtp attributes filters */
#define _TNRHTP_NAME            "ipTnetTemplateName"
#define _TNRHTP_ATTRS           "SolarisAttrKeyValue"
#define _F_GETTNTPBYNAME        "(&(objectClass=ipTnetTemplate)"\
                                "(!(objectClass=ipTnetHost))" \
                                "(ipTnetTemplateName=%s))"
#define _F_GETTNTPBYNAME_SSD    "(&(%%s)(ipTnetTemplateName=%s))"

static const char *tnrhtp_attrs[] = {
        _TNRHTP_NAME,
        _TNRHTP_ATTRS,
        NULL
};

/*
 * _nss_ldap_tnrhtp2str is the data marshaling method for the tnrhtp
 * (tsol_gettpbyaddr()/tsol_gettpent()) backend processes.
 * This method is called after a successful ldap search has been performed.
 * This method will parse the ldap search values into the file format.
 *
 * e.g.
 *
 * admin_low:host_type=unlabeled;def_label=[0x0000000000000000000000000000000000
 * 0000000000000000000000000000000000];min_sl=0x00000000000000000000000000000000
 * 000000000000000000000000000000000000;max_sl=0x7ffffffffffffffffffffffffffffff
 * fffffffffffffffffffffffffffffffffffff;doi=0;
 */
static int
_nss_ldap_tnrhtp2str(ldap_backend_ptr be, nss_XbyY_args_t *argp)
{
        int                     nss_result = NSS_STR_PARSE_SUCCESS;
        int                     len = 0;
        char                    *buffer = NULL;
        char                    **attrs, **template;
        ns_ldap_result_t        *result = be->result;

        if (result == NULL)
                return (NSS_STR_PARSE_PARSE);

        template = __ns_ldap_getAttr(result->entry, _TNRHTP_NAME);
        if (template == NULL || template[0] == NULL ||
                        (strlen(template[0]) < 1)) {
                nss_result = NSS_STR_PARSE_PARSE;
                goto result_tnrhtp2str;
        }
        attrs = __ns_ldap_getAttr(result->entry, _TNRHTP_ATTRS);
        if (attrs == NULL || attrs[0] == NULL || (strlen(attrs[0]) < 1)) {
                nss_result = NSS_STR_PARSE_PARSE;
                goto result_tnrhtp2str;
        }

        /* "template:attrs" */
        len = strlen(template[0]) + strlen(attrs[0]) + 2;

        if (argp->buf.result != NULL) {
                if ((be->buffer = calloc(1, len)) == NULL) {
                        nss_result = NSS_STR_PARSE_PARSE;
                        goto result_tnrhtp2str;
                }
                be->buflen = len - 1;
                buffer = be->buffer;
        } else
                buffer = argp->buf.buffer;

        (void) snprintf(buffer, len, "%s:%s", template[0], attrs[0]);

result_tnrhtp2str:
        (void) __ns_ldap_freeResult(&be->result);
        return (nss_result);
}

static nss_status_t
getbyname(ldap_backend_ptr be, void *a)
{
        char            searchfilter[SEARCHFILTERLEN];
        char            userdata[SEARCHFILTERLEN];
        nss_XbyY_args_t *argp = (nss_XbyY_args_t *)a;

        if (argp->key.name == NULL)
                return (NSS_NOTFOUND);

        if (snprintf(searchfilter, SEARCHFILTERLEN, _F_GETTNTPBYNAME,
            argp->key.name) < 0)
                return ((nss_status_t)NSS_NOTFOUND);

        if (snprintf(userdata, sizeof (userdata), _F_GETTNTPBYNAME_SSD,
            argp->key.name) < 0)
                return ((nss_status_t)NSS_NOTFOUND);

        return (_nss_ldap_lookup(be, argp, _TNRHTP, searchfilter, NULL,
            _merge_SSD_filter, userdata));
}


static ldap_backend_op_t tnrhtp_ops[] = {
        _nss_ldap_destr,
        _nss_ldap_endent,
        _nss_ldap_setent,
        _nss_ldap_getent,
        getbyname
};

/* ARGSUSED */
nss_backend_t *
_nss_ldap_tnrhtp_constr(const char *dummy1,
    const char *dummy2,
    const char *dummy3,
    const char *dummy4,
    const char *dummy5)
{
        return ((nss_backend_t *)_nss_ldap_constr(tnrhtp_ops,
                sizeof (tnrhtp_ops)/sizeof (tnrhtp_ops[0]), _TNRHTP,
                tnrhtp_attrs, _nss_ldap_tnrhtp2str));
}