1 files changed, 188 insertions, 0 deletions

diff --git a/include/nsswitch.h b/include/nsswitch.h
new file mode 100644
index 000000000000..ee9f89ac5121
--- /dev/null
+++ b/include/nsswitch.h
@@ -0,0 +1,188 @@
+/*	$NetBSD: nsswitch.h,v 1.6 1999/01/26 01:04:07 lukem Exp $	*/
+/*	$FreeBSD$ */
+
+/*-
+ * Copyright (c) 1997, 1998, 1999 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Luke Mewburn.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *        This product includes software developed by the NetBSD
+ *        Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _NSSWITCH_H
+#define _NSSWITCH_H	1
+
+#include <sys/types.h>
+
+#if __STDC__
+#include <stdarg.h>
+#else
+#include <varargs.h>
+#endif
+
+#ifndef _PATH_NS_CONF
+#define _PATH_NS_CONF	"/etc/nsswitch.conf"
+#endif
+
+#define	NS_CONTINUE	0
+#define	NS_RETURN	1
+
+#define	NS_SUCCESS	(1<<0)		/* entry was found */
+#define	NS_UNAVAIL	(1<<1)		/* source not responding, or corrupt */
+#define	NS_NOTFOUND	(1<<2)		/* source responded 'no such entry' */
+#define	NS_TRYAGAIN	(1<<3)		/* source busy, may respond to retrys */
+#define	NS_STATUSMASK	0x000000ff	/* bitmask to get the status flags */
+
+/*
+ * currently implemented sources
+ */
+#define NSSRC_FILES	"files"		/* local files */
+#define	NSSRC_DNS	"dns"		/* DNS; IN for hosts, HS for others */
+#define	NSSRC_NIS	"nis"		/* YP/NIS */
+#define	NSSRC_COMPAT	"compat"	/* passwd,group in YP compat mode */
+
+/*
+ * currently implemented databases
+ */
+#define NSDB_HOSTS		"hosts"
+#define NSDB_GROUP		"group"
+#define NSDB_GROUP_COMPAT	"group_compat"
+#define NSDB_NETGROUP		"netgroup"
+#define NSDB_NETWORKS		"networks"
+#define NSDB_PASSWD		"passwd"
+#define NSDB_PASSWD_COMPAT	"passwd_compat"
+#define NSDB_SHELLS		"shells"
+
+/*
+ * suggested databases to implement
+ */
+#define NSDB_ALIASES		"aliases"
+#define NSDB_AUTH		"auth"
+#define NSDB_AUTOMOUNT		"automount"
+#define NSDB_BOOTPARAMS		"bootparams"
+#define NSDB_ETHERS		"ethers"
+#define NSDB_EXPORTS		"exports"
+#define NSDB_NETMASKS		"netmasks"
+#define NSDB_PHONES		"phones"
+#define NSDB_PRINTCAP		"printcap"
+#define NSDB_PROTOCOLS		"protocols"
+#define NSDB_REMOTE		"remote"
+#define NSDB_RPC		"rpc"
+#define NSDB_SENDMAILVARS	"sendmailvars"
+#define NSDB_SERVICES		"services"
+#define NSDB_TERMCAP		"termcap"
+#define NSDB_TTYS		"ttys"
+
+/*
+ * ns_dtab - `nsswitch dispatch table'
+ * contains an entry for each source and the appropriate function to call
+ */
+typedef struct {
+	const char	 *src;
+	int		(*callback)(void *retval, void *cb_data, va_list ap);
+	void		 *cb_data;
+} ns_dtab;
+
+/*
+ * macros to help build an ns_dtab[]
+ */
+#define NS_FILES_CB(F,C)	{ NSSRC_FILES,	F,	C },
+#define NS_COMPAT_CB(F,C)	{ NSSRC_COMPAT,	F,	C },
+ 
+#ifdef HESIOD
+#   define NS_DNS_CB(F,C)	{ NSSRC_DNS,	F,	C },
+#else
+#   define NS_DNS_CB(F,C)
+#endif
+
+#ifdef YP
+#   define NS_NIS_CB(F,C)	{ NSSRC_NIS,	F,	C },
+#else
+#   define NS_NIS_CB(F,C)
+#endif
+
+/*
+ * ns_src - `nsswitch source'
+ * used by the nsparser routines to store a mapping between a source
+ * and its dispatch control flags for a given database.
+ */
+typedef struct {
+	const char	*name;
+	u_int32_t	 flags;
+} ns_src;
+
+
+/*
+ * default sourcelist (if nsswitch.conf is missing, corrupt,
+ * or the requested database doesn't have an entry.
+ */
+extern const ns_src __nsdefaultsrc[];
+
+
+#ifdef _NS_PRIVATE
+
+/*
+ * private data structures for back-end nsswitch implementation
+ */
+
+/*
+ * ns_dbt - `nsswitch database thang'
+ * for each database in /etc/nsswitch.conf there is a ns_dbt, with its
+ * name and a list of ns_src's containing the source information.
+ */
+typedef struct {
+	const char	*name;		/* name of database */
+	ns_src		*srclist;	/* list of sources */
+	int		 srclistsize;	/* size of srclist */
+} ns_dbt;
+
+#endif /* _NS_PRIVATE */
+
+
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+extern	int	nsdispatch	__P((void *, const ns_dtab [], const char *,
+				    const char *, const ns_src [], ...));
+
+#ifdef _NS_PRIVATE
+extern	void		 _nsdbtaddsrc __P((ns_dbt *, const ns_src *));
+extern	void		 _nsdbtdump __P((const ns_dbt *));
+extern	const ns_dbt	*_nsdbtget __P((const char *));
+extern	void		 _nsdbtput __P((const ns_dbt *));
+extern	void		 _nsyyerror __P((const char *));
+extern	int		 _nsyylex __P((void));
+extern	int		 _nsyylineno;
+#endif /* _NS_PRIVATE */
+
+__END_DECLS
+
+#endif /* !_NSSWITCH_H */