xref: /freebsd/usr.sbin/ypserv/yp_extern.h (revision 123af6ec70016f5556da5972d4d63c7d175c06d3)
1 /*-
2  * SPDX-License-Identifier: BSD-4-Clause
3  *
4  * Copyright (c) 1995
5  *	Bill Paul <wpaul@ctr.columbia.edu>.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by Bill Paul.
18  * 4. Neither the name of the author nor the names of any co-contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  *
34  * $FreeBSD$
35  */
36 
37 #include <db.h>
38 #include <limits.h>
39 #include <stdio.h>
40 #include <string.h>
41 #include <unistd.h>
42 #include <sys/cdefs.h>
43 #include <sys/types.h>
44 #include <rpc/rpc.h>
45 #include <rpcsvc/yp.h>
46 
47 #ifndef _PATH_YP
48 #define _PATH_YP "/var/yp/"
49 #endif
50 
51 #ifndef _PATH_LIBEXEC
52 #define _PATH_LIBEXEC "/usr/libexec/"
53 #endif
54 
55 #ifndef MAX_CHILDREN
56 #define MAX_CHILDREN 20
57 #endif
58 
59 #define YP_SECURE 0x1
60 #define YP_INTERDOMAIN 0x2
61 
62 /*
63  * External functions and variables.
64  */
65 
66 extern int	debug;
67 extern int	ypdb_debug;
68 extern int	do_dns;
69 extern int	children;
70 extern int	resfd;
71 extern char 	*progname;
72 extern char	*yp_dir;
73 extern pid_t	yp_pid;
74 
75 extern enum ypstat	yp_errno;
76 extern void	yp_error(const char *, ...) __printflike(1, 2);
77 #ifdef DB_CACHE
78 extern int	yp_get_record(DB *, const DBT *, DBT *, int);
79 #else
80 extern int	yp_get_record(const char *, const char *, const DBT *, DBT *, int);
81 #endif
82 extern int	yp_first_record(const DB *, DBT *, DBT *, int);
83 extern int	yp_next_record(const DB *, DBT *, DBT *, int, int);
84 extern char	*yp_dnsname(char *);
85 extern char	*yp_dnsaddr(const char *);
86 #ifdef DB_CACHE
87 extern int	yp_access(const char *, const char *, const struct svc_req *);
88 #else
89 extern int	yp_access(const char *, const struct svc_req *);
90 #endif
91 extern int	yp_validdomain(const char *);
92 extern DB	*yp_open_db(const char *, const char *);
93 extern DB	*yp_open_db_cache(const char *, const char *, const char *, int);
94 extern void	yp_flush_all(void);
95 extern void	yp_init_dbs(void);
96 extern int	yp_testflag(char *, char *, int);
97 extern void	load_securenets(void);
98 
99 #ifdef DB_CACHE
100 extern ypstat	yp_select_map(char *, char *, keydat *, int);
101 extern ypstat	yp_getbykey(keydat *, valdat *);
102 extern ypstat	yp_firstbykey(keydat *, valdat *);
103 extern ypstat	yp_nextbykey(keydat *, valdat *);
104 #endif
105 
106 extern unsigned long	svcudp_set_xid(SVCXPRT *, unsigned long);
107 extern unsigned long	svcudp_get_xid(SVCXPRT *);
108 
109 #ifndef RESOLVER_TIMEOUT
110 #define RESOLVER_TIMEOUT 3600
111 #endif
112 
113 extern int	yp_init_resolver(void);
114 extern void	yp_run_dnsq(void);
115 extern void	yp_prune_dnsq(void);
116 extern ypstat	yp_async_lookup_name(struct svc_req *, char *, int);
117 extern ypstat	yp_async_lookup_addr(struct svc_req *, char *, int);
118