1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2014 Garrett D'Amore <garrett@damore.org> 24 * Copyright (c) 2016 by Delphix. All rights reserved. 25 */ 26 /* Copyright (c) 1992 Sun Microsystems, Inc. */ 27 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28 /* All Rights Reserved */ 29 30 /* 31 * netdir.h 32 * 33 * This is the include file that defines various structures and 34 * constants used by the netdir routines. 35 */ 36 37 #ifndef _NETDIR_H 38 #define _NETDIR_H 39 40 /* 41 * This files uses struct netconfig, and netconfig.h must be included 42 * before this to avoid warnings. 43 */ 44 45 #include <netconfig.h> 46 47 #ifdef __cplusplus 48 extern "C" { 49 #endif 50 51 struct nd_addrlist { 52 int n_cnt; /* number of netbufs */ 53 struct netbuf *n_addrs; /* the netbufs */ 54 }; 55 56 struct nd_hostservlist { 57 int h_cnt; /* number of nd_hostservs */ 58 struct nd_hostserv *h_hostservs; /* the entries */ 59 }; 60 61 struct nd_hostserv { 62 char *h_host; /* the host name */ 63 char *h_serv; /* the service name */ 64 }; 65 66 struct nd_mergearg { 67 char *s_uaddr; /* servers universal address */ 68 char *c_uaddr; /* clients universal address */ 69 char *m_uaddr; /* merged universal address */ 70 }; 71 72 /* 73 * _nderror is a private variable to the netdir system. 74 */ 75 #ifdef _REENTRANT 76 extern int *__nderror(); 77 #define _nderror (*(__nderror())) 78 #else 79 extern int _nderror; 80 #endif /* _REENTRANT */ 81 82 83 int netdir_options(struct netconfig *, int option, int fd, char *par); 84 int netdir_getbyname(struct netconfig *, struct nd_hostserv *, 85 struct nd_addrlist **); 86 int netdir_getbyaddr(struct netconfig *, struct nd_hostservlist **, 87 struct netbuf *); 88 int __netdir_getbyaddr_nosrv(struct netconfig *, struct nd_hostservlist **, 89 struct netbuf *); 90 int netdir_mergeaddr(struct netconfig *, char **muaddr, char *uaddr, 91 char *ruaddr); 92 void netdir_free(void *, int); 93 struct netbuf *uaddr2taddr(struct netconfig *, char *); 94 char *taddr2uaddr(struct netconfig *, struct netbuf *); 95 void netdir_perror(char *); 96 char *netdir_sperror(); 97 struct nd_addrlist *_netdir_getbyname(struct netconfig *, struct nd_hostserv *); 98 struct nd_hostservlist *_netdir_getbyaddr(struct netconfig *, struct netbuf *); 99 struct netbuf *_uaddr2taddr(struct netconfig *, char *); 100 char *_taddr2uaddr(struct netconfig *, struct netbuf *); 101 char *_netdir_mergeaddr(struct netconfig *, char *uaddr, char *ruaddr); 102 103 /* 104 * These are all objects that can be freed by netdir_free 105 */ 106 #define ND_HOSTSERV 0 107 #define ND_HOSTSERVLIST 1 108 #define ND_ADDR 2 109 #define ND_ADDRLIST 3 110 111 /* 112 * These are the various errors that can be encountered while attempting 113 * to translate names to addresses. Note that none of them (except maybe 114 * no memory) are truely fatal unless the ntoa deamon is on its last attempt 115 * to translate the name. First four errors are to failitate return values 116 * from DNS, that are used by mail and others. 117 * 118 * Negative errors terminate the search resolution process, positive errors 119 * are treated as warnings. 120 */ 121 122 #define ND_TRY_AGAIN -5 /* Non-Authoritive Host not found, or */ 123 /* SERVERFAIL */ 124 #define ND_NO_RECOVERY -4 /* Non recoverable errors, FORMERR, REFUSED, */ 125 /* NOTIMP */ 126 #define ND_NO_DATA -3 /* Valid name, no data record of requested */ 127 /* type */ 128 #define ND_NO_ADDRESS ND_NO_DATA /* no address, look for MX record */ 129 #define ND_BADARG -2 /* Bad arguments passed */ 130 #define ND_NOMEM -1 /* No virtual memory left */ 131 #define ND_OK 0 /* Translation successful */ 132 #define ND_NOHOST 1 /* Hostname was not resolvable */ 133 #define ND_NOSERV 2 /* Service was unknown */ 134 #define ND_NOSYM 3 /* Couldn't resolve symbol */ 135 #define ND_OPEN 4 /* File couldn't be opened */ 136 #define ND_ACCESS 5 /* File is not accessable */ 137 #define ND_UKNWN 6 /* Unknown object to be freed */ 138 #define ND_NOCTRL 7 /* Unknown option passed to netdir_options */ 139 #define ND_FAILCTRL 8 /* Option failed in netdir_options */ 140 #define ND_SYSTEM 9 /* Other System error */ 141 142 /* 143 * The following netdir_options commands can be given to the fd. These is 144 * a way of providing for any transport specific action which the caller 145 * may want to initiate on its transport. It is up to the trasport provider 146 * to support the netdir_options it wants to support. 147 */ 148 149 #define ND_SET_BROADCAST 1 /* Do t_optmgmt to support broadcast */ 150 #define ND_SET_RESERVEDPORT 2 /* bind it to reserve address */ 151 #define ND_CHECK_RESERVEDPORT 3 /* check if address is reserved */ 152 #define ND_MERGEADDR 4 /* Merge universal address */ 153 154 /* 155 * The following special case host names are used to give the underlying 156 * transport provides a clue as to the intent of the request. 157 */ 158 159 #define HOST_SELF "\\1" 160 #define HOST_ANY "\\2" 161 #define HOST_BROADCAST "\\3" 162 #define HOST_SELF_BIND HOST_SELF 163 #define HOST_SELF_CONNECT "\\4" 164 165 #ifdef __cplusplus 166 } 167 #endif 168 169 #endif /* _NETDIR_H */ 170