-/* Copyright (C) 1996 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+/* Copyright (C) 1996-2014 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 Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+ 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
-Library General Public License for more details.
+ 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 Library General Public
-License along with the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+ 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
#include <nss.h>
#include <resolv.h>
#include <search.h>
-
+#include <dlfcn.h>
+#include <stdbool.h>
/* Actions performed after lookup finished. */
typedef enum
typedef struct service_user
{
- /* Name of the service (`files', `dns', `nis', ...). */
- const char *name;
+ /* 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. */
- struct entry *known;
- /* And the link to the next entry. */
- struct service_user *next;
+ 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. */
typedef struct name_database_entry
{
- /* Name of the database. */
- const char *name;
- /* List of service to be used. */
- service_user *service;
/* 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;
} 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. */
-int __nss_database_lookup (const char *database, const char *alternative_name,
- const char *defconfig, service_user **ni);
-
+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. */
-int __nss_lookup (service_user **ni, const char *fct_name, void **fctp);
+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
services. In other words, only if all four lookup results have
the action RETURN associated the lookup process stops before the
natural end. */
-int __nss_next (service_user **ni, const char *fct_name, void **fctp,
- int status, int all_values);
-
+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 */
projects / thirdparty / glibc.git / blobdiff