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Diffstat (limited to '9/platforms/android-21/arch-x86/usr/include/nsswitch.h')
| -rw-r--r-- | 9/platforms/android-21/arch-x86/usr/include/nsswitch.h | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/9/platforms/android-21/arch-x86/usr/include/nsswitch.h b/9/platforms/android-21/arch-x86/usr/include/nsswitch.h new file mode 100644 index 0000000..af88433 --- /dev/null +++ b/9/platforms/android-21/arch-x86/usr/include/nsswitch.h @@ -0,0 +1,230 @@ +/* $NetBSD: nsswitch.h,v 1.21 2011/07/17 20:54:34 joerg Exp $ */ + +/*- + * Copyright (c) 1997, 1998, 1999, 2004 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. + * + * 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> +#include <stdarg.h> + +#define NSS_MODULE_INTERFACE_VERSION 0 + +#ifndef _PATH_NS_CONF +#define _PATH_NS_CONF "/etc/nsswitch.conf" +#endif + +#define NS_CONTINUE 0 +#define NS_RETURN 1 + +/* + * Layout of: + * uint32_t ns_src.flags + */ + /* nsswitch.conf status codes and nsdispatch(3) return values */ +#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 */ + + /* internal nsdispatch(3) flags; not settable in nsswitch.conf(5) */ +#define NS_FORCEALL (1<<8) /* force all methods to be invoked; */ + +/* + * 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 `callback' function signature. + */ +typedef int (*nss_method)(void *, void *, va_list); + +/* + * ns_dtab - `nsswitch dispatch table' + * Contains an entry for each source and the appropriate function to call. + */ +typedef struct { + const char *src; + nss_method callback; + void *cb_data; +} ns_dtab; + +/* + * Macros to help build an ns_dtab[] + */ +#define NS_FILES_CB(F,C) { NSSRC_FILES, F, __UNCONST(C) }, +#define NS_COMPAT_CB(F,C) { NSSRC_COMPAT, F, __UNCONST(C) }, + +#ifdef HESIOD +# define NS_DNS_CB(F,C) { NSSRC_DNS, F, __UNCONST(C) }, +#else +# define NS_DNS_CB(F,C) +#endif + +#ifdef YP +# define NS_NIS_CB(F,C) { NSSRC_NIS, F, __UNCONST(C) }, +#else +# define NS_NIS_CB(F,C) +#endif +#define NS_NULL_CB { .src = NULL }, + +/* + * 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; + uint32_t flags; +} ns_src; + + +/* + * Default sourcelists (if nsswitch.conf is missing, corrupt, + * or the requested database doesn't have an entry) + */ +extern const ns_src __nsdefaultsrc[]; +extern const ns_src __nsdefaultcompat[]; +extern const ns_src __nsdefaultcompat_forceall[]; +extern const ns_src __nsdefaultfiles[]; +extern const ns_src __nsdefaultfiles_forceall[]; +extern const ns_src __nsdefaultnis[]; +extern const ns_src __nsdefaultnis_forceall[]; + + +/* + * ns_mtab - `nsswitch method table' + * An nsswitch module provides a mapping from (database name, method name) + * tuples to the nss_method and associated callback data. Effectively, + * ns_dtab, but used for dynamically loaded modules. + */ +typedef struct { + const char *database; + const char *name; + nss_method method; + void *mdata; +} ns_mtab; + +/* + * nss_module_register_fn - module registration function + * called at module load + * nss_module_unregister_fn - module un-registration function + * called at module unload + */ +typedef void (*nss_module_unregister_fn)(ns_mtab *, u_int); +typedef ns_mtab *(*nss_module_register_fn)(const char *, u_int *, + nss_module_unregister_fn *); + +#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 */ + u_int srclistsize; /* size of srclist */ +} ns_dbt; + +/* + * ns_mod - `nsswitch module' + */ +typedef struct { + const char *name; /* module name */ + void *handle; /* handle from dlopen() */ + ns_mtab *mtab; /* method table */ + u_int mtabsize; /* size of mtab */ + /* called to unload module */ + nss_module_unregister_fn unregister; +} ns_mod; + +#endif /* _NS_PRIVATE */ + + +#include <sys/cdefs.h> + +__BEGIN_DECLS +int nsdispatch(void *, const ns_dtab [], const char *, + const char *, const ns_src [], ...) __LIBC_ABI_PUBLIC__; + +#ifdef _NS_PRIVATE +int _nsdbtaddsrc(ns_dbt *, const ns_src *); +void _nsdbtdump(const ns_dbt *); +int _nsdbtput(const ns_dbt *); +void _nsyyerror(const char *); +int _nsyylex(void); +#endif /* _NS_PRIVATE */ + +__END_DECLS + +#endif /* !_NSSWITCH_H */ |