1 /* $NetBSD: nul_ng.c,v 1.1.1.1 2009/04/12 15:33:37 christos Exp $ */ 2 3 /* 4 * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") 5 * Copyright (c) 1996,1999 by Internet Software Consortium. 6 * 7 * Permission to use, copy, modify, and distribute this software for any 8 * purpose with or without fee is hereby granted, provided that the above 9 * copyright notice and this permission notice appear in all copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES 12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR 14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT 17 * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20 #if defined(LIBC_SCCS) && !defined(lint) 21 static const char rcsid[] = "Id: nul_ng.c,v 1.3 2005/04/27 04:56:34 sra Exp"; 22 #endif 23 24 /*! \file 25 * \brief 26 * nul_ng.c - the netgroup accessor null map 27 */ 28 29 #include "port_before.h" 30 31 #include <sys/types.h> 32 #include <netinet/in.h> 33 #include <arpa/nameser.h> 34 #include <resolv.h> 35 36 #include <stdio.h> 37 #include <string.h> 38 #include <netdb.h> 39 #include <ctype.h> 40 #include <stdlib.h> 41 #include <errno.h> 42 43 #include <irs.h> 44 #include <isc/memcluster.h> 45 46 #include "port_after.h" 47 48 #include "irs_p.h" 49 #include "hesiod.h" 50 #include "dns_p.h" 51 52 /* Forward. */ 53 54 static void ng_close(struct irs_ng *); 55 static int ng_next(struct irs_ng *, const char **, 56 const char **, const char **); 57 static int ng_test(struct irs_ng *, 58 const char *, const char *, 59 const char *, const char *); 60 static void ng_rewind(struct irs_ng *, const char *); 61 static void ng_minimize(struct irs_ng *); 62 63 /* Public. */ 64 65 struct irs_ng * 66 irs_nul_ng(struct irs_acc *this) { 67 struct irs_ng *ng; 68 69 UNUSED(this); 70 71 if (!(ng = memget(sizeof *ng))) { 72 errno = ENOMEM; 73 return (NULL); 74 } 75 memset(ng, 0x5e, sizeof *ng); 76 ng->private = NULL; 77 ng->close = ng_close; 78 ng->next = ng_next; 79 ng->test = ng_test; 80 ng->rewind = ng_rewind; 81 ng->minimize = ng_minimize; 82 return (ng); 83 } 84 85 /* Methods. */ 86 87 static void 88 ng_close(struct irs_ng *this) { 89 memput(this, sizeof *this); 90 } 91 92 /* ARGSUSED */ 93 static int 94 ng_next(struct irs_ng *this, const char **host, const char **user, 95 const char **domain) 96 { 97 UNUSED(this); 98 UNUSED(host); 99 UNUSED(user); 100 UNUSED(domain); 101 errno = ENOENT; 102 return (-1); 103 } 104 105 static int 106 ng_test(struct irs_ng *this, const char *name, 107 const char *user, const char *host, const char *domain) 108 { 109 UNUSED(this); 110 UNUSED(name); 111 UNUSED(user); 112 UNUSED(host); 113 UNUSED(domain); 114 errno = ENODEV; 115 return (-1); 116 } 117 118 static void 119 ng_rewind(struct irs_ng *this, const char *netgroup) { 120 UNUSED(this); 121 UNUSED(netgroup); 122 /* NOOP */ 123 } 124 125 static void 126 ng_minimize(struct irs_ng *this) { 127 UNUSED(this); 128 /* NOOP */ 129 } 130