/*
 * 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 2014 Garrett D'Amore <garrett@damore.org>
 *
 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*
 * nss_netdir.h
 *
 * Defines structures that are shared between the OSNET-private
 * _get_hostserv_inetnetdir_byYY() interfaces and the public
 * interfaces gethostbyYY()/getservbyYY() and netdir_getbyYY().
 * Ideally, this header file should never be visible to developers
 * outside of the OSNET build.
 */

#ifndef _NSS_NETDIR_H
#define _NSS_NETDIR_H

#ifdef  __cplusplus
extern "C" {
#endif

typedef enum {
        NSS_HOST,
        NSS_SERV,
        NETDIR_BY,
        NETDIR_BY_NOSRV,                /* bypass service lookup */
        NETDIR_BY6,
        NETDIR_BY_NOSRV6,               /* bypass service lookup */
        NSS_HOST6
} nss_netdir_op_t;

struct nss_netdirbyname_in {
        nss_netdir_op_t op_t;
        union {
                struct nd_hostserv *nd_hs;
                union {
                        struct {
                                const char      *name;
                                char    *buf;
                                int     buflen;
                        } host;
                        struct {
                                const char      *name;
                                char    *buf;
                                int     buflen;
                                int     af_family;      /* for ipnode */
                                int     flags;          /* for ipnode */
                        } host6;
                        struct {
                                const char      *name;
                                const char      *proto;
                                char    *buf;
                                int     buflen;
                        } serv;
                } nss;
        } arg;
};

union nss_netdirbyname_out {
        struct nd_addrlist **nd_alist;
        union {
                struct {
                        struct hostent *hent;
                        int     *herrno_p;
                } host;
                struct servent *serv;
        } nss;
};

struct nss_netdirbyaddr_in {
        nss_netdir_op_t op_t;
        union {
                struct netbuf *nd_nbuf;
                union {
                        struct {
                                const char      *addr;
                                int     len;
                                int     type;
                                char    *buf;
                                int     buflen;
                        } host;
                        struct {
                                int     port;
                                const char      *proto;
                                char    *buf;
                                int     buflen;
                        } serv;
                } nss;
        } arg;
};

union nss_netdirbyaddr_out {
        struct nd_hostservlist **nd_hslist;
        union {
                struct {
                        struct hostent *hent;
                        int     *herrno_p;
                } host;
                struct servent *serv;
        } nss;
};

int __classic_netdir_getbyname(struct netconfig *,
                struct nd_hostserv *, struct nd_addrlist **);
int __classic_netdir_getbyaddr(struct netconfig *,
                struct nd_hostservlist **, struct netbuf *);
int _get_hostserv_inetnetdir_byname(struct netconfig *,
                struct nss_netdirbyname_in *, union nss_netdirbyname_out *);
int _get_hostserv_inetnetdir_byaddr(struct netconfig *,
                struct nss_netdirbyaddr_in *, union nss_netdirbyaddr_out *);
int __inet_netdir_options(struct netconfig *,
                int option, int fd, char *par);
struct netbuf *__inet_uaddr2taddr(struct netconfig *, char *);
char *__inet_taddr2uaddr(struct netconfig *, struct netbuf *);

#ifdef  __cplusplus
}
#endif

#endif /* _NSS_NETDIR_H */