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