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Diffstat (limited to 'nss/nsswitch.h')
| -rw-r--r-- | nss/nsswitch.h | 213 |
1 files changed, 0 insertions, 213 deletions
diff --git a/nss/nsswitch.h b/nss/nsswitch.h deleted file mode 100644 index f3e756b684..0000000000 --- a/nss/nsswitch.h +++ /dev/null @@ -1,213 +0,0 @@ -/* Copyright (C) 1996-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#ifndef _NSSWITCH_H -#define _NSSWITCH_H 1 - -/* This is an *internal* header. */ - -#include <arpa/nameser.h> -#include <netinet/in.h> -#include <nss.h> -#include <resolv.h> -#include <search.h> -#include <dlfcn.h> -#include <stdbool.h> - -/* Actions performed after lookup finished. */ -typedef enum -{ - NSS_ACTION_CONTINUE, - NSS_ACTION_RETURN, - NSS_ACTION_MERGE -} lookup_actions; - - -typedef struct service_library -{ - /* Name of service (`files', `dns', `nis', ...). */ - const char *name; - /* Pointer to the loaded shared library. */ - void *lib_handle; - /* And the link to the next entry. */ - struct service_library *next; -} service_library; - - -/* For mapping a function name to a function pointer. It is known in - nsswitch.c:nss_lookup_function that a string pointer for the lookup key - is the first member. */ -typedef struct -{ - const char *fct_name; - void *fct_ptr; -} known_function; - - -typedef struct service_user -{ - /* And the link to the next entry. */ - struct service_user *next; - /* Action according to result. */ - lookup_actions actions[5]; - /* Link to the underlying library object. */ - service_library *library; - /* Collection of known functions. */ - void *known; - /* Name of the service (`files', `dns', `nis', ...). */ - char name[0]; -} service_user; - -/* To access the action based on the status value use this macro. */ -#define nss_next_action(ni, status) ((ni)->actions[2 + status]) - - -typedef struct name_database_entry -{ - /* And the link to the next entry. */ - struct name_database_entry *next; - /* List of service to be used. */ - service_user *service; - /* Name of the database. */ - char name[0]; -} name_database_entry; - - -typedef struct name_database -{ - /* List of all known databases. */ - name_database_entry *entry; - /* List of libraries with service implementation. */ - service_library *library; -} name_database; - - -/* Indices into DATABASES in nsswitch.c and __NSS_DATABASE_CUSTOM. */ -enum - { -#define DEFINE_DATABASE(arg) NSS_DBSIDX_##arg, -#include "databases.def" -#undef DEFINE_DATABASE - NSS_DBSIDX_max - }; - -/* Flags whether custom rules for database is set. */ -extern bool __nss_database_custom[NSS_DBSIDX_max]; - -/* Warning for NSS functions, which don't require dlopen if glibc - was built with --enable-static-nss. */ -#ifdef DO_STATIC_NSS -# define nss_interface_function(name) -#else -# define nss_interface_function(name) static_link_warning (name) -#endif - - -/* Interface functions for NSS. */ - -/* Get the data structure representing the specified database. - If there is no configuration for this database in the file, - parse a service list from DEFCONFIG and use that. More - than one function can use the database. */ -extern int __nss_database_lookup (const char *database, - const char *alternative_name, - const char *defconfig, service_user **ni); -libc_hidden_proto (__nss_database_lookup) - -/* Put first function with name FCT_NAME for SERVICE in FCTP. The - position is remembered in NI. The function returns a value < 0 if - an error occurred or no such function exists. */ -extern int __nss_lookup (service_user **ni, const char *fct_name, - const char *fct2_name, void **fctp); -libc_hidden_proto (__nss_lookup) - -/* Determine the next step in the lookup process according to the - result STATUS of the call to the last function returned by - `__nss_lookup' or `__nss_next'. NI specifies the last function - examined. The function return a value > 0 if the process should - stop with the last result of the last function call to be the - result of the entire lookup. The returned value is 0 if there is - another function to use and < 0 if an error occurred. - - If ALL_VALUES is nonzero, the return value will not be > 0 as long as - there is a possibility the lookup process can ever use following - services. In other words, only if all four lookup results have - the action RETURN associated the lookup process stops before the - natural end. */ -extern int __nss_next2 (service_user **ni, const char *fct_name, - const char *fct2_name, void **fctp, int status, - int all_values) attribute_hidden; -libc_hidden_proto (__nss_next2) -extern int __nss_next (service_user **ni, const char *fct_name, void **fctp, - int status, int all_values); - -/* Search for the service described in NI for a function named FCT_NAME - and return a pointer to this function if successful. */ -extern void *__nss_lookup_function (service_user *ni, const char *fct_name); -libc_hidden_proto (__nss_lookup_function) - - -/* Called by NSCD to disable recursive calls and enable special handling - when used in nscd. */ -struct traced_file; -extern void __nss_disable_nscd (void (*) (size_t, struct traced_file *)); - - -typedef int (*db_lookup_function) (service_user **, const char *, const char *, - void **) - internal_function; -typedef enum nss_status (*setent_function) (int); -typedef enum nss_status (*endent_function) (void); -typedef enum nss_status (*getent_function) (void *, char *, size_t, - int *, int *); -typedef int (*getent_r_function) (void *, char *, size_t, - void **result, int *); - -extern void __nss_setent (const char *func_name, - db_lookup_function lookup_fct, - service_user **nip, service_user **startp, - service_user **last_nip, int stayon, - int *stayon_tmp, int res); -extern void __nss_endent (const char *func_name, - db_lookup_function lookup_fct, - service_user **nip, service_user **startp, - service_user **last_nip, int res); -extern int __nss_getent_r (const char *getent_func_name, - const char *setent_func_name, - db_lookup_function lookup_fct, - service_user **nip, service_user **startp, - service_user **last_nip, int *stayon_tmp, - int res, - void *resbuf, char *buffer, size_t buflen, - void **result, int *h_errnop); -extern void *__nss_getent (getent_r_function func, - void **resbuf, char **buffer, size_t buflen, - size_t *buffer_size, int *h_errnop); -struct hostent; -extern int __nss_hostname_digits_dots (const char *name, - struct hostent *resbuf, char **buffer, - size_t *buffer_size, size_t buflen, - struct hostent **result, - enum nss_status *status, int af, - int *h_errnop); -libc_hidden_proto (__nss_hostname_digits_dots) - -/* Maximum number of aliases we allow. */ -#define MAX_NR_ALIASES 48 -#define MAX_NR_ADDRS 48 - -#endif /* nsswitch.h */ |