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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Common code and structures used by name-service-switch "files" backends.
*/
#ifndef _FILES_COMMON_H
#define _FILES_COMMON_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include "c_synonyms.h"
#include <nss_common.h>
#include <nss_dbdefs.h>
#include <stdio.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct files_backend *files_backend_ptr_t;
typedef nss_status_t (*files_backend_op_t)(files_backend_ptr_t, void *);
typedef uint_t (*files_hash_func)(nss_XbyY_args_t *, int, const char *, int);
typedef struct files_hashent {
struct files_hashent *h_first;
struct files_hashent *h_next;
uint_t h_hash;
} files_hashent_t;
typedef struct {
char *l_start;
int l_len;
} files_linetab_t;
typedef struct {
mutex_t fh_lock;
int fh_resultsize;
int fh_bufsize;
int fh_nhtab;
files_hash_func *fh_hash_func;
int fh_refcnt;
int fh_size;
timestruc_t fh_mtime;
char *fh_file_start;
char *fh_file_end;
files_linetab_t *fh_line;
files_hashent_t *fh_table;
} files_hash_t;
struct files_backend {
files_backend_op_t *ops;
int n_ops;
const char *filename;
FILE *f;
int minbuf;
char *buf;
files_hash_t *hashinfo;
};
/*
* Iterator function for _nss_files_do_all(), which probably calls yp_all().
* NSS_NOTFOUND means "keep enumerating", NSS_SUCCESS means"return now",
* other values don't make much sense. In other words we're abusing
* (overloading) the meaning of nss_status_t, but hey...
* _nss_files_XY_all() is a wrapper around _nss_files_do_all() that does the
* generic work for nss_XbyY_args_t backends (calls cstr2ent etc).
*/
typedef nss_status_t (*files_do_all_func_t)(const char *, int, void *args);
typedef int (*files_XY_check_func)(nss_XbyY_args_t *,
const char *, int);
#if defined(__STDC__)
extern nss_backend_t *_nss_files_constr(files_backend_op_t *ops,
int n_ops,
const char *filename,
int min_bufsize,
files_hash_t *fhp);
extern nss_status_t _nss_files_destr(files_backend_ptr_t, void *dummy);
extern nss_status_t _nss_files_setent(files_backend_ptr_t, void *dummy);
extern nss_status_t _nss_files_endent(files_backend_ptr_t, void *dummy);
extern nss_status_t _nss_files_getent_rigid(files_backend_ptr_t, void *);
extern nss_status_t _nss_files_getent_netdb(files_backend_ptr_t, void *);
extern nss_status_t _nss_files_do_all(files_backend_ptr_t,
void *func_priv,
const char *filter,
files_do_all_func_t func);
extern nss_status_t _nss_files_XY_all(files_backend_ptr_t be,
nss_XbyY_args_t *args,
int netdb,
const char *filter,
files_XY_check_func check);
extern nss_status_t _nss_files_XY_hash(files_backend_ptr_t be,
nss_XbyY_args_t *args,
int netdb,
files_hash_t *fhp,
int hashop,
files_XY_check_func check);
int _nss_files_read_line(FILE *f, char *buffer, int buflen);
#else
extern nss_backend_t *_nss_files_constr();
extern nss_status_t _nss_files_destr();
extern nss_status_t _nss_files_setent();
extern nss_status_t _nss_files_endent();
extern nss_status_t _nss_files_getent_rigid();
extern nss_status_t _nss_files_getent_netdb();
extern nss_status_t _nss_files_do_all();
extern nss_status_t _nss_files_XY_all();
extern nss_status_t _nss_files_XY_hash();
#endif
int _nss_files_check_name_aliases(nss_XbyY_args_t *, const char *, int);
int _nss_files_check_name_colon(nss_XbyY_args_t *, const char *, int);
#ifdef __cplusplus
}
#endif
#endif /* _FILES_COMMON_H */
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