/*-
* SPDX-License-Identifier: BSD-4-Clause
*
* Copyright (c) 1995
* Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Bill Paul.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <db.h>
#include <limits.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/cdefs.h>
#include <sys/types.h>
#include <rpc/rpc.h>
#include <rpcsvc/yp.h>
#ifndef _PATH_YP
#define _PATH_YP "/var/yp/"
#endif
#ifndef _PATH_LIBEXEC
#define _PATH_LIBEXEC "/usr/libexec/"
#endif
#ifndef MAX_CHILDREN
#define MAX_CHILDREN 20
#endif
#define YP_SECURE 0x1
#define YP_INTERDOMAIN 0x2
/*
* External functions and variables.
*/
extern int debug;
extern int ypdb_debug;
extern int do_dns;
extern int children;
extern int resfd;
extern char *progname;
extern char *yp_dir;
extern pid_t yp_pid;
extern enum ypstat yp_errno;
extern void yp_error(const char *, ...) __printflike(1, 2);
#ifdef DB_CACHE
extern int yp_get_record(DB *, const DBT *, DBT *, int);
#else
extern int yp_get_record(const char *, const char *, const DBT *, DBT *, int);
#endif
extern int yp_first_record(const DB *, DBT *, DBT *, int);
extern int yp_next_record(const DB *, DBT *, DBT *, int, int);
extern char *yp_dnsname(char *);
extern char *yp_dnsaddr(const char *);
#ifdef DB_CACHE
extern int yp_access(const char *, const char *, const struct svc_req *);
#else
extern int yp_access(const char *, const struct svc_req *);
#endif
extern int yp_validdomain(const char *);
extern DB *yp_open_db(const char *, const char *);
extern DB *yp_open_db_cache(const char *, const char *, const char *, int);
extern void yp_flush_all(void);
extern void yp_init_dbs(void);
extern int yp_testflag(char *, char *, int);
extern void load_securenets(void);
#ifdef DB_CACHE
extern ypstat yp_select_map(char *, char *, keydat *, int);
extern ypstat yp_getbykey(keydat *, valdat *);
extern ypstat yp_firstbykey(keydat *, valdat *);
extern ypstat yp_nextbykey(keydat *, valdat *);
#endif
extern unsigned long svcudp_set_xid(SVCXPRT *, unsigned long);
extern unsigned long svcudp_get_xid(SVCXPRT *);
#ifndef RESOLVER_TIMEOUT
#define RESOLVER_TIMEOUT 3600
#endif
extern int yp_init_resolver(void);
extern void yp_run_dnsq(void);
extern void yp_prune_dnsq(void);
extern ypstat yp_async_lookup_name(struct svc_req *, char *, int);
extern ypstat yp_async_lookup_addr(struct svc_req *, char *, int);
plain