/*
 * 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 1990 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
/*	  All Rights Reserved  	*/

/*
 * Portions of this source code were derived from Berkeley 4.3 BSD
 * under license from the Regents of the University of California.
 */

#ident	"%Z%%M%	%I%	%E% SMI"

#include <rpc/types.h>
#include "netconfig.h"
#include <stdio.h>
#include <synch.h>
#include <netdb.h>

extern bool_t xdr_netconfig(XDR *, struct netconfig *);

#define	BINDING "/var/yp/binding"
#define	YPSETLOCAL 3

struct dom_binding {
	struct dom_binding *dom_pnext;
	char *dom_domain;
	struct ypbind_binding *dom_binding;
	CLIENT *dom_client;
	int cache_bad;
	int fd;		/* fd in dom_client */
	dev_t rdev;	/* device id of fd */
	int ref_count;	/* number of threads using this structure */
	int need_free;	/* if true, this structure needs to be freed */
	mutex_t server_name_lock;    /* protects server name in dom_binding */
};

/* Following structure is used only by ypbind */

struct domain {
	struct domain *dom_pnext;
	char	*dom_name;
	bool_t dom_boundp;
	unsigned short dom_vers;	/* only YPVERS */
	unsigned int	dom_error;
	CLIENT * ping_clnt;
	struct ypbind_binding *dom_binding;
	int	dom_report_success;	/* Controls msg to /dev/console*/
	int	dom_broadcaster_pid;
	int	bindfile;		/* File with binding info in it */
	int 	broadcaster_fd;
	FILE    *broadcaster_pipe;	/* to get answer from locater */
	XDR	broadcaster_xdr;	/* xdr for pipe */
	struct timeval lastping;	/* info to avoid a ping storm */
};

enum ypbind_resptype {
	YPBIND_SUCC_VAL = 1,
	YPBIND_FAIL_VAL = 2
};
typedef enum ypbind_resptype ypbind_resptype;
extern bool_t xdr_ypbind_resptype(XDR *, ypbind_resptype *);
#define	YPBIND_ERR_ERR 1		/* Internal error */
#define	YPBIND_ERR_NOSERV 2		/* No bound server for passed domain */
#define	YPBIND_ERR_RESC 3		/* System resource allocation failure */
#define	YPBIND_ERR_NODOMAIN 4		/* Domain doesn't exist */

/* Following struct is used only by ypwhich and yppoll */

struct ypbind_domain {
	char *ypbind_domainname;
	rpcvers_t ypbind_vers;
};
typedef struct ypbind_domain ypbind_domain;
bool_t xdr_ypbind_domain(XDR *, ypbind_domain *);

/*
 * This structure is used to store information about the server
 * Returned by ypbind to the libnsl/yp clients to contact ypserv.
 * Also used by ypxfr.
 */

struct ypbind_binding {
	struct netconfig *ypbind_nconf;
	struct netbuf *ypbind_svcaddr;
	char *ypbind_servername;
	rpcvers_t ypbind_hi_vers;
	rpcvers_t ypbind_lo_vers;
};
typedef struct ypbind_binding ypbind_binding;
bool_t xdr_ypbind_binding(XDR *, ypbind_binding *);

struct ypbind_resp {
	ypbind_resptype ypbind_status;
	union {
		u_int ypbind_error;
		struct ypbind_binding *ypbind_bindinfo;
	} ypbind_resp_u;
};
typedef struct ypbind_resp ypbind_resp;
bool_t xdr_ypbind_resp(XDR *, ypbind_resp *);

struct ypbind_setdom {
	char *ypsetdom_domain;
	struct ypbind_binding *ypsetdom_bindinfo;
};
typedef struct ypbind_setdom ypbind_setdom;
bool_t xdr_ypbind_setdom(XDR *, ypbind_setdom *);

#define	YPBINDPROG ((rpcprog_t)100007)
#define	YPBINDVERS ((rpcvers_t)3)
#define	YPBINDPROC_NULL ((rpcproc_t)0)
extern void *ypbindproc_null_3();
#define	YPBINDPROC_DOMAIN ((rpcproc_t)1)
extern ypbind_resp *ypbindproc_domain_3();
#define	YPBINDPROC_SETDOM ((rpcproc_t)2)
extern void *ypbindproc_setdom_3();

extern struct timeval _ypserv_timeout;
extern unsigned int _ypsleeptime;

extern int __yp_dobind(char *, struct dom_binding **);
extern int __yp_dobind_rsvdport(char *, struct dom_binding **);
extern void free_dom_binding(struct dom_binding *);
extern CLIENT *__yp_clnt_create_rsvdport(const char *, rpcprog_t,
    rpcvers_t, const char *, const uint_t, const uint_t);
extern void __yp_rel_binding(struct dom_binding *);
extern CLIENT *__clnt_create_loopback(rpcprog_t, rpcvers_t, int *);

extern int _fcntl(int, int, ...);
extern uint_t _sleep(uint_t);