189 lines
5.6 KiB
C
189 lines
5.6 KiB
C
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/* $NetBSD: nsswitch.h,v 1.6 1999/01/26 01:04:07 lukem Exp $ */
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/* $FreeBSD$ */
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/*-
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* Copyright (c) 1997, 1998, 1999 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Luke Mewburn.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _NSSWITCH_H
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#define _NSSWITCH_H 1
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#include <sys/types.h>
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#if __STDC__
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#include <stdarg.h>
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#else
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#include <varargs.h>
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#endif
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#ifndef _PATH_NS_CONF
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#define _PATH_NS_CONF "/etc/nsswitch.conf"
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#endif
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#define NS_CONTINUE 0
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#define NS_RETURN 1
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#define NS_SUCCESS (1<<0) /* entry was found */
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#define NS_UNAVAIL (1<<1) /* source not responding, or corrupt */
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#define NS_NOTFOUND (1<<2) /* source responded 'no such entry' */
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#define NS_TRYAGAIN (1<<3) /* source busy, may respond to retrys */
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#define NS_STATUSMASK 0x000000ff /* bitmask to get the status flags */
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/*
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* currently implemented sources
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*/
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#define NSSRC_FILES "files" /* local files */
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#define NSSRC_DNS "dns" /* DNS; IN for hosts, HS for others */
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#define NSSRC_NIS "nis" /* YP/NIS */
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#define NSSRC_COMPAT "compat" /* passwd,group in YP compat mode */
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/*
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* currently implemented databases
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*/
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#define NSDB_HOSTS "hosts"
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#define NSDB_GROUP "group"
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#define NSDB_GROUP_COMPAT "group_compat"
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#define NSDB_NETGROUP "netgroup"
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#define NSDB_NETWORKS "networks"
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#define NSDB_PASSWD "passwd"
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#define NSDB_PASSWD_COMPAT "passwd_compat"
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#define NSDB_SHELLS "shells"
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/*
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* suggested databases to implement
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*/
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#define NSDB_ALIASES "aliases"
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#define NSDB_AUTH "auth"
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#define NSDB_AUTOMOUNT "automount"
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#define NSDB_BOOTPARAMS "bootparams"
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#define NSDB_ETHERS "ethers"
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#define NSDB_EXPORTS "exports"
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#define NSDB_NETMASKS "netmasks"
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#define NSDB_PHONES "phones"
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#define NSDB_PRINTCAP "printcap"
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#define NSDB_PROTOCOLS "protocols"
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#define NSDB_REMOTE "remote"
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#define NSDB_RPC "rpc"
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#define NSDB_SENDMAILVARS "sendmailvars"
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#define NSDB_SERVICES "services"
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#define NSDB_TERMCAP "termcap"
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#define NSDB_TTYS "ttys"
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/*
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* ns_dtab - `nsswitch dispatch table'
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* contains an entry for each source and the appropriate function to call
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*/
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typedef struct {
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const char *src;
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int (*callback)(void *retval, void *cb_data, va_list ap);
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void *cb_data;
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} ns_dtab;
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/*
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* macros to help build an ns_dtab[]
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*/
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#define NS_FILES_CB(F,C) { NSSRC_FILES, F, C },
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#define NS_COMPAT_CB(F,C) { NSSRC_COMPAT, F, C },
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#ifdef HESIOD
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# define NS_DNS_CB(F,C) { NSSRC_DNS, F, C },
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#else
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# define NS_DNS_CB(F,C)
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#endif
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#ifdef YP
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# define NS_NIS_CB(F,C) { NSSRC_NIS, F, C },
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#else
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# define NS_NIS_CB(F,C)
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#endif
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/*
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* ns_src - `nsswitch source'
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* used by the nsparser routines to store a mapping between a source
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* and its dispatch control flags for a given database.
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*/
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typedef struct {
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const char *name;
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u_int32_t flags;
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} ns_src;
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/*
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* default sourcelist (if nsswitch.conf is missing, corrupt,
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* or the requested database doesn't have an entry.
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*/
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extern const ns_src __nsdefaultsrc[];
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#ifdef _NS_PRIVATE
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/*
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* private data structures for back-end nsswitch implementation
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*/
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/*
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* ns_dbt - `nsswitch database thang'
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* for each database in /etc/nsswitch.conf there is a ns_dbt, with its
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* name and a list of ns_src's containing the source information.
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*/
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typedef struct {
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const char *name; /* name of database */
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ns_src *srclist; /* list of sources */
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int srclistsize; /* size of srclist */
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} ns_dbt;
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#endif /* _NS_PRIVATE */
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#include <sys/cdefs.h>
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__BEGIN_DECLS
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extern int nsdispatch __P((void *, const ns_dtab [], const char *,
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const char *, const ns_src [], ...));
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#ifdef _NS_PRIVATE
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extern void _nsdbtaddsrc __P((ns_dbt *, const ns_src *));
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extern void _nsdbtdump __P((const ns_dbt *));
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extern const ns_dbt *_nsdbtget __P((const char *));
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extern void _nsdbtput __P((const ns_dbt *));
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extern void _nsyyerror __P((const char *));
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extern int _nsyylex __P((void));
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extern int _nsyylineno;
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#endif /* _NS_PRIVATE */
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__END_DECLS
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#endif /* !_NSSWITCH_H */
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