1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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>
#include "../../../libnsl/include/nsl_stdio_prv.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 u_int (*files_hash_func)(nss_XbyY_args_t *, int);
typedef struct files_hashent {
struct files_hashent *h_first;
struct files_hashent *h_next;
u_int 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;
__NSL_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 *);
#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(__NSL_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
#ifdef __cplusplus
}
#endif
#endif /* _FILES_COMMON_H */
|
