nsswitch.h revision 65532
165532Snectar/* $NetBSD: nsswitch.h,v 1.6 1999/01/26 01:04:07 lukem Exp $ */ 265532Snectar/* $FreeBSD: head/include/nsswitch.h 65532 2000-09-06 18:16:48Z nectar $ */ 365532Snectar 465532Snectar/*- 565532Snectar * Copyright (c) 1997, 1998, 1999 The NetBSD Foundation, Inc. 665532Snectar * All rights reserved. 765532Snectar * 865532Snectar * This code is derived from software contributed to The NetBSD Foundation 965532Snectar * by Luke Mewburn. 1065532Snectar * 1165532Snectar * Redistribution and use in source and binary forms, with or without 1265532Snectar * modification, are permitted provided that the following conditions 1365532Snectar * are met: 1465532Snectar * 1. Redistributions of source code must retain the above copyright 1565532Snectar * notice, this list of conditions and the following disclaimer. 1665532Snectar * 2. Redistributions in binary form must reproduce the above copyright 1765532Snectar * notice, this list of conditions and the following disclaimer in the 1865532Snectar * documentation and/or other materials provided with the distribution. 1965532Snectar * 3. All advertising materials mentioning features or use of this software 2065532Snectar * must display the following acknowledgement: 2165532Snectar * This product includes software developed by the NetBSD 2265532Snectar * Foundation, Inc. and its contributors. 2365532Snectar * 4. Neither the name of The NetBSD Foundation nor the names of its 2465532Snectar * contributors may be used to endorse or promote products derived 2565532Snectar * from this software without specific prior written permission. 2665532Snectar * 2765532Snectar * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 2865532Snectar * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 2965532Snectar * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 3065532Snectar * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 3165532Snectar * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 3265532Snectar * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 3365532Snectar * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 3465532Snectar * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 3565532Snectar * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 3665532Snectar * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 3765532Snectar * POSSIBILITY OF SUCH DAMAGE. 3865532Snectar */ 3965532Snectar 4065532Snectar#ifndef _NSSWITCH_H 4165532Snectar#define _NSSWITCH_H 1 4265532Snectar 4365532Snectar#include <sys/types.h> 4465532Snectar 4565532Snectar#if __STDC__ 4665532Snectar#include <stdarg.h> 4765532Snectar#else 4865532Snectar#include <varargs.h> 4965532Snectar#endif 5065532Snectar 5165532Snectar#ifndef _PATH_NS_CONF 5265532Snectar#define _PATH_NS_CONF "/etc/nsswitch.conf" 5365532Snectar#endif 5465532Snectar 5565532Snectar#define NS_CONTINUE 0 5665532Snectar#define NS_RETURN 1 5765532Snectar 5865532Snectar#define NS_SUCCESS (1<<0) /* entry was found */ 5965532Snectar#define NS_UNAVAIL (1<<1) /* source not responding, or corrupt */ 6065532Snectar#define NS_NOTFOUND (1<<2) /* source responded 'no such entry' */ 6165532Snectar#define NS_TRYAGAIN (1<<3) /* source busy, may respond to retrys */ 6265532Snectar#define NS_STATUSMASK 0x000000ff /* bitmask to get the status flags */ 6365532Snectar 6465532Snectar/* 6565532Snectar * currently implemented sources 6665532Snectar */ 6765532Snectar#define NSSRC_FILES "files" /* local files */ 6865532Snectar#define NSSRC_DNS "dns" /* DNS; IN for hosts, HS for others */ 6965532Snectar#define NSSRC_NIS "nis" /* YP/NIS */ 7065532Snectar#define NSSRC_COMPAT "compat" /* passwd,group in YP compat mode */ 7165532Snectar 7265532Snectar/* 7365532Snectar * currently implemented databases 7465532Snectar */ 7565532Snectar#define NSDB_HOSTS "hosts" 7665532Snectar#define NSDB_GROUP "group" 7765532Snectar#define NSDB_GROUP_COMPAT "group_compat" 7865532Snectar#define NSDB_NETGROUP "netgroup" 7965532Snectar#define NSDB_NETWORKS "networks" 8065532Snectar#define NSDB_PASSWD "passwd" 8165532Snectar#define NSDB_PASSWD_COMPAT "passwd_compat" 8265532Snectar#define NSDB_SHELLS "shells" 8365532Snectar 8465532Snectar/* 8565532Snectar * suggested databases to implement 8665532Snectar */ 8765532Snectar#define NSDB_ALIASES "aliases" 8865532Snectar#define NSDB_AUTH "auth" 8965532Snectar#define NSDB_AUTOMOUNT "automount" 9065532Snectar#define NSDB_BOOTPARAMS "bootparams" 9165532Snectar#define NSDB_ETHERS "ethers" 9265532Snectar#define NSDB_EXPORTS "exports" 9365532Snectar#define NSDB_NETMASKS "netmasks" 9465532Snectar#define NSDB_PHONES "phones" 9565532Snectar#define NSDB_PRINTCAP "printcap" 9665532Snectar#define NSDB_PROTOCOLS "protocols" 9765532Snectar#define NSDB_REMOTE "remote" 9865532Snectar#define NSDB_RPC "rpc" 9965532Snectar#define NSDB_SENDMAILVARS "sendmailvars" 10065532Snectar#define NSDB_SERVICES "services" 10165532Snectar#define NSDB_TERMCAP "termcap" 10265532Snectar#define NSDB_TTYS "ttys" 10365532Snectar 10465532Snectar/* 10565532Snectar * ns_dtab - `nsswitch dispatch table' 10665532Snectar * contains an entry for each source and the appropriate function to call 10765532Snectar */ 10865532Snectartypedef struct { 10965532Snectar const char *src; 11065532Snectar int (*callback)(void *retval, void *cb_data, va_list ap); 11165532Snectar void *cb_data; 11265532Snectar} ns_dtab; 11365532Snectar 11465532Snectar/* 11565532Snectar * macros to help build an ns_dtab[] 11665532Snectar */ 11765532Snectar#define NS_FILES_CB(F,C) { NSSRC_FILES, F, C }, 11865532Snectar#define NS_COMPAT_CB(F,C) { NSSRC_COMPAT, F, C }, 11965532Snectar 12065532Snectar#ifdef HESIOD 12165532Snectar# define NS_DNS_CB(F,C) { NSSRC_DNS, F, C }, 12265532Snectar#else 12365532Snectar# define NS_DNS_CB(F,C) 12465532Snectar#endif 12565532Snectar 12665532Snectar#ifdef YP 12765532Snectar# define NS_NIS_CB(F,C) { NSSRC_NIS, F, C }, 12865532Snectar#else 12965532Snectar# define NS_NIS_CB(F,C) 13065532Snectar#endif 13165532Snectar 13265532Snectar/* 13365532Snectar * ns_src - `nsswitch source' 13465532Snectar * used by the nsparser routines to store a mapping between a source 13565532Snectar * and its dispatch control flags for a given database. 13665532Snectar */ 13765532Snectartypedef struct { 13865532Snectar const char *name; 13965532Snectar u_int32_t flags; 14065532Snectar} ns_src; 14165532Snectar 14265532Snectar 14365532Snectar/* 14465532Snectar * default sourcelist (if nsswitch.conf is missing, corrupt, 14565532Snectar * or the requested database doesn't have an entry. 14665532Snectar */ 14765532Snectarextern const ns_src __nsdefaultsrc[]; 14865532Snectar 14965532Snectar 15065532Snectar#ifdef _NS_PRIVATE 15165532Snectar 15265532Snectar/* 15365532Snectar * private data structures for back-end nsswitch implementation 15465532Snectar */ 15565532Snectar 15665532Snectar/* 15765532Snectar * ns_dbt - `nsswitch database thang' 15865532Snectar * for each database in /etc/nsswitch.conf there is a ns_dbt, with its 15965532Snectar * name and a list of ns_src's containing the source information. 16065532Snectar */ 16165532Snectartypedef struct { 16265532Snectar const char *name; /* name of database */ 16365532Snectar ns_src *srclist; /* list of sources */ 16465532Snectar int srclistsize; /* size of srclist */ 16565532Snectar} ns_dbt; 16665532Snectar 16765532Snectar#endif /* _NS_PRIVATE */ 16865532Snectar 16965532Snectar 17065532Snectar#include <sys/cdefs.h> 17165532Snectar 17265532Snectar__BEGIN_DECLS 17365532Snectarextern int nsdispatch __P((void *, const ns_dtab [], const char *, 17465532Snectar const char *, const ns_src [], ...)); 17565532Snectar 17665532Snectar#ifdef _NS_PRIVATE 17765532Snectarextern void _nsdbtaddsrc __P((ns_dbt *, const ns_src *)); 17865532Snectarextern void _nsdbtdump __P((const ns_dbt *)); 17965532Snectarextern const ns_dbt *_nsdbtget __P((const char *)); 18065532Snectarextern void _nsdbtput __P((const ns_dbt *)); 18165532Snectarextern void _nsyyerror __P((const char *)); 18265532Snectarextern int _nsyylex __P((void)); 18365532Snectarextern int _nsyylineno; 18465532Snectar#endif /* _NS_PRIVATE */ 18565532Snectar 18665532Snectar__END_DECLS 18765532Snectar 18865532Snectar#endif /* !_NSSWITCH_H */ 189