mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-09 23:00:07 +00:00
65 lines
2.5 KiB
C
65 lines
2.5 KiB
C
/* Copyright (C) 1996-2023 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
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#include <assert.h>
|
|
#include "nsswitch.h"
|
|
|
|
/*******************************************************************\
|
|
|* Here we assume one symbol to be defined: *|
|
|
|* *|
|
|
|* DATABASE_NAME - name of the database the function accesses *|
|
|
|* (e.g., hosts, services, ...) *|
|
|
|* *|
|
|
|* One additional symbol may optionally be defined: *|
|
|
|* *|
|
|
|* ALTERNATE_NAME - name of another service which is examined in *|
|
|
|* case DATABASE_NAME is not found *|
|
|
|* *|
|
|
|* DEFAULT_CONFIG - string for default conf (e.g. "files dns") *|
|
|
|* *|
|
|
\*******************************************************************/
|
|
|
|
#define DB_LOOKUP_FCT CONCAT3_1 (__nss_, DATABASE_NAME, _lookup2)
|
|
#define CONCAT3_1(Pre, Name, Post) CONCAT3_2 (Pre, Name, Post)
|
|
#define CONCAT3_2(Pre, Name, Post) Pre##Name##Post
|
|
|
|
#define DATABASE_NAME_ID CONCAT2_1 (nss_database_, DATABASE_NAME)
|
|
#define CONCAT2_1(Pre, Name) CONCAT2_2 (Pre, Name)
|
|
#define CONCAT2_2(Pre, Name) Pre##Name
|
|
|
|
#define DATABASE_NAME_SYMBOL CONCAT3_1 (__nss_, DATABASE_NAME, _database)
|
|
#define DATABASE_NAME_STRING STRINGIFY1 (DATABASE_NAME)
|
|
#define STRINGIFY1(Name) STRINGIFY2 (Name)
|
|
#define STRINGIFY2(Name) #Name
|
|
|
|
int
|
|
DB_LOOKUP_FCT (nss_action_list *ni, const char *fct_name, const char *fct2_name,
|
|
void **fctp)
|
|
{
|
|
if (! __nss_database_get (DATABASE_NAME_ID, &DATABASE_NAME_SYMBOL))
|
|
return -1;
|
|
|
|
*ni = DATABASE_NAME_SYMBOL;
|
|
|
|
/* We want to know about it if we've somehow got a NULL action list;
|
|
in the past, we had bad state if seccomp interfered with setup. */
|
|
assert(*ni != NULL);
|
|
|
|
return __nss_lookup (ni, fct_name, fct2_name, fctp);
|
|
}
|
|
libc_hidden_def (DB_LOOKUP_FCT)
|