1/*
2 * Copyright (c) 1995
3 *	Bill Paul <wpaul@ctr.columbia.edu>.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *	This product includes software developed by Bill Paul.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * $FreeBSD$
33 */
34
35#include <db.h>
36#include <limits.h>
37#include <stdio.h>
38#include <string.h>
39#include <unistd.h>
40#include <sys/cdefs.h>
41#include <sys/types.h>
42#include <rpc/rpc.h>
43#include <rpcsvc/yp.h>
44
45#ifndef _PATH_YP
46#define _PATH_YP "/var/yp/"
47#endif
48
49#ifndef _PATH_LIBEXEC
50#define _PATH_LIBEXEC "/usr/libexec/"
51#endif
52
53#ifndef MAX_CHILDREN
54#define MAX_CHILDREN 20
55#endif
56
57#define YP_SECURE 0x1
58#define YP_INTERDOMAIN 0x2
59
60/*
61 * External functions and variables.
62 */
63
64extern int	debug;
65extern int	ypdb_debug;
66extern int	do_dns;
67extern int	children;
68extern int	resfd;
69extern char 	*progname;
70extern char	*yp_dir;
71extern pid_t	yp_pid;
72
73extern enum ypstat	yp_errno;
74extern void	yp_error(const char *, ...) __printflike(1, 2);
75#ifdef DB_CACHE
76extern int	yp_get_record(DB *, const DBT *, DBT *, int);
77#else
78extern int	yp_get_record(const char *, const char *, const DBT *, DBT *, int);
79#endif
80extern int	yp_first_record(const DB *, DBT *, DBT *, int);
81extern int	yp_next_record(const DB *, DBT *, DBT *, int, int);
82extern char	*yp_dnsname(char *);
83extern char	*yp_dnsaddr(const char *);
84#ifdef DB_CACHE
85extern int	yp_access(const char *, const char *, const struct svc_req *);
86#else
87extern int	yp_access(const char *, const struct svc_req *);
88#endif
89extern int	yp_validdomain(const char *);
90extern DB	*yp_open_db(const char *, const char *);
91extern DB	*yp_open_db_cache(const char *, const char *, const char *, int);
92extern void	yp_flush_all(void);
93extern void	yp_init_dbs(void);
94extern int	yp_testflag(char *, char *, int);
95extern void	load_securenets(void);
96
97#ifdef DB_CACHE
98extern ypstat	yp_select_map(char *, char *, keydat *, int);
99extern ypstat	yp_getbykey(keydat *, valdat *);
100extern ypstat	yp_firstbykey(keydat *, valdat *);
101extern ypstat	yp_nextbykey(keydat *, valdat *);
102#endif
103
104extern unsigned long	svcudp_set_xid(SVCXPRT *, unsigned long);
105extern unsigned long	svcudp_get_xid(SVCXPRT *);
106
107#ifndef RESOLVER_TIMEOUT
108#define RESOLVER_TIMEOUT 3600
109#endif
110
111extern int	yp_init_resolver(void);
112extern void	yp_run_dnsq(void);
113extern void	yp_prune_dnsq(void);
114extern ypstat	yp_async_lookup_name(struct svc_req *, char *, int);
115extern ypstat	yp_async_lookup_addr(struct svc_req *, char *, int);
116