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 64 extern int debug; 65 extern int ypdb_debug; 66 extern int do_dns; 67 extern int children; 68 extern int resfd; 69 extern char *progname; 70 extern char *yp_dir; 71 extern pid_t yp_pid; 72 73 extern enum ypstat yp_errno; 74 extern void yp_error(const char *, ...) __printflike(1, 2); 75 #ifdef DB_CACHE 76 extern int yp_get_record(DB *, const DBT *, DBT *, int); 77 #else 78 extern int yp_get_record(const char *, const char *, const DBT *, DBT *, int); 79 #endif 80 extern int yp_first_record(const DB *, DBT *, DBT *, int); 81 extern int yp_next_record(const DB *, DBT *, DBT *, int, int); 82 extern char *yp_dnsname(char *); 83 extern char *yp_dnsaddr(const char *); 84 #ifdef DB_CACHE 85 extern int yp_access(const char *, const char *, const struct svc_req *); 86 #else 87 extern int yp_access(const char *, const struct svc_req *); 88 #endif 89 extern int yp_validdomain(const char *); 90 extern DB *yp_open_db(const char *, const char *); 91 extern DB *yp_open_db_cache(const char *, const char *, const char *, int); 92 extern void yp_flush_all(void); 93 extern void yp_init_dbs(void); 94 extern int yp_testflag(char *, char *, int); 95 extern void load_securenets(void); 96 97 #ifdef DB_CACHE 98 extern ypstat yp_select_map(char *, char *, keydat *, int); 99 extern ypstat yp_getbykey(keydat *, valdat *); 100 extern ypstat yp_firstbykey(keydat *, valdat *); 101 extern ypstat yp_nextbykey(keydat *, valdat *); 102 #endif 103 104 extern unsigned long svcudp_set_xid(SVCXPRT *, unsigned long); 105 extern unsigned long svcudp_get_xid(SVCXPRT *); 106 107 #ifndef RESOLVER_TIMEOUT 108 #define RESOLVER_TIMEOUT 3600 109 #endif 110 111 extern int yp_init_resolver(void); 112 extern void yp_run_dnsq(void); 113 extern void yp_prune_dnsq(void); 114 extern ypstat yp_async_lookup_name(struct svc_req *, char *, int); 115 extern ypstat yp_async_lookup_addr(struct svc_req *, char *, int); 116