/*
 * 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.
 * Copyright 2014 Nexenta Systems, Inc.  All rights reserved.
 */

#ifndef _AD_COMMON_H
#define _AD_COMMON_H

#ifdef  __cplusplus
extern "C" {
#endif

#include <ctype.h>
#include <nss_dbdefs.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <strings.h>
#include <signal.h>
#include <idmap.h>
#include <sys/idmap.h>
#include <rpcsvc/idmap_prot.h>
#include <idmap_priv.h>
#include "addisc.h"
#include "libadutils.h"

#define _GROUP  "group"
#define _PASSWD "passwd"
#define _SHADOW "shadow"

#define WK_DOMAIN       "BUILTIN"
#define CFG_QUEUE_MAX_SIZE      15

#define SEARCHFILTERLEN         256
#define RESET_ERRNO()\
        if (errno == EINVAL)\
                errno = 0;

/*
 * Superset the nss_backend_t abstract data type. This ADT has
 * been extended to include AD associated data structures.
 */

typedef struct ad_backend *ad_backend_ptr;
typedef nss_status_t (*ad_backend_op_t)(ad_backend_ptr, void *);
typedef int (*fnf)(ad_backend_ptr be, nss_XbyY_args_t *argp);

typedef enum {
        NSS_AD_DB_NONE          = 0,
        NSS_AD_DB_PASSWD_BYNAME = 1,
        NSS_AD_DB_PASSWD_BYUID  = 2,
        NSS_AD_DB_GROUP_BYNAME  = 3,
        NSS_AD_DB_GROUP_BYGID   = 4,
        NSS_AD_DB_SHADOW_BYNAME = 5
} nss_ad_db_type_t;

struct ad_backend {
        ad_backend_op_t         *ops;
        nss_dbop_t              nops;
        char                    *tablename;
        const char              **attrs;
        fnf                     adobj2str;
        char                    *buffer;
        int                     buflen;
        uid_t                   uid;
        adutils_result_t        *result;
        nss_ad_db_type_t        db_type;
};

typedef struct nssad_prop {
        char                    *domain_name;
        ad_disc_ds_t    *domain_controller;
} nssad_prop_t;

typedef struct nssad_cfg {
        pthread_rwlock_t        lock;
        nssad_prop_t            props;
        ad_disc_t               ad_ctx;
        adutils_ad_t            *ad;
        struct nssad_cfg        *qnext;
} nssad_cfg_t;

typedef struct nssad_state {
        nssad_cfg_t             *qhead;
        nssad_cfg_t             *qtail;
        uint32_t                qcount;
} nssad_state_t;

extern nss_status_t     _nss_ad_destr(ad_backend_ptr be, void *a);
extern nss_status_t     _nss_ad_endent(ad_backend_ptr be, void *a);
extern nss_status_t     _nss_ad_setent(ad_backend_ptr be, void *a);
extern nss_status_t     _nss_ad_getent(ad_backend_ptr be, void *a);
nss_backend_t           *_nss_ad_constr(ad_backend_op_t ops[], int nops,
                        char *tablename, const char **attrs, fnf ldapobj2str);
extern nss_status_t     _nss_ad_lookup(ad_backend_ptr be,
                        nss_XbyY_args_t *argp, const char *database,
                        const char *searchfilter, const char *dname,
                        int *try_idmap);
extern nss_status_t     _nss_ad_marshall_data(ad_backend_ptr be,
                        nss_XbyY_args_t *argp);
extern nss_status_t     _nss_ad_sanitize_status(ad_backend_ptr be,
                        nss_XbyY_args_t *argp, nss_status_t stat);
extern int              _ldap_filter_name(char *filter_name, const char *name,
                        int filter_name_size);


#ifdef  __cplusplus
}
#endif

#endif  /* _AD_COMMON_H */