2 Unix SMB/CIFS implementation.
3 Low-level sessionid.tdb access functions
4 Copyright (C) Volker Lendecke 2010
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
21 #include "system/filesys.h"
22 #include "dbwrap/dbwrap.h"
23 #include "dbwrap/dbwrap_open.h"
27 static struct db_context
*session_db_ctx(void)
29 static struct db_context
*session_db_ctx_ptr
;
31 if (session_db_ctx_ptr
!= NULL
) {
32 return session_db_ctx_ptr
;
35 session_db_ctx_ptr
= db_open(NULL
, lock_path("sessionid.tdb"), 0,
36 TDB_CLEAR_IF_FIRST
|TDB_DEFAULT
|TDB_INCOMPATIBLE_HASH
,
37 O_RDWR
| O_CREAT
, 0644,
39 return session_db_ctx_ptr
;
42 bool sessionid_init(void)
44 if (session_db_ctx() == NULL
) {
45 DEBUG(1,("session_init: failed to open sessionid tdb\n"));
52 struct db_record
*sessionid_fetch_record(TALLOC_CTX
*mem_ctx
, const char *key
)
54 struct db_context
*db
;
56 db
= session_db_ctx();
60 return dbwrap_fetch_locked(db
, mem_ctx
, string_term_tdb_data(key
));
63 struct sessionid_traverse_state
{
64 int (*fn
)(struct db_record
*rec
, const char *key
,
65 struct sessionid
*session
, void *private_data
);
69 static int sessionid_traverse_fn(struct db_record
*rec
, void *private_data
)
73 struct sessionid_traverse_state
*state
=
74 (struct sessionid_traverse_state
*)private_data
;
75 struct sessionid session
;
77 key
= dbwrap_record_get_key(rec
);
78 value
= dbwrap_record_get_value(rec
);
79 if ((key
.dptr
[key
.dsize
-1] != '\0')
80 || (value
.dsize
!= sizeof(struct sessionid
))) {
81 DEBUG(1, ("Found invalid record in sessionid.tdb\n"));
85 memcpy(&session
, value
.dptr
, sizeof(session
));
87 return state
->fn(rec
, (char *)key
.dptr
, &session
,
91 NTSTATUS
sessionid_traverse(int (*fn
)(struct db_record
*rec
, const char *key
,
92 struct sessionid
*session
,
96 struct db_context
*db
;
97 struct sessionid_traverse_state state
;
100 db
= session_db_ctx();
102 return NT_STATUS_UNSUCCESSFUL
;
105 state
.private_data
= private_data
;
106 status
= dbwrap_traverse(db
, sessionid_traverse_fn
, &state
, NULL
);
110 struct sessionid_traverse_read_state
{
111 int (*fn
)(const char *key
, struct sessionid
*session
,
116 static int sessionid_traverse_read_fn(struct db_record
*rec
,
121 struct sessionid_traverse_read_state
*state
=
122 (struct sessionid_traverse_read_state
*)private_data
;
123 struct sessionid session
;
125 key
= dbwrap_record_get_key(rec
);
126 value
= dbwrap_record_get_value(rec
);
128 if ((key
.dptr
[key
.dsize
-1] != '\0')
129 || (value
.dsize
!= sizeof(struct sessionid
))) {
130 DEBUG(1, ("Found invalid record in sessionid.tdb\n"));
134 memcpy(&session
, value
.dptr
, sizeof(session
));
136 return state
->fn((char *)key
.dptr
, &session
,
137 state
->private_data
);
140 NTSTATUS
sessionid_traverse_read(int (*fn
)(const char *key
,
141 struct sessionid
*session
,
145 struct db_context
*db
;
146 struct sessionid_traverse_read_state state
;
149 db
= session_db_ctx();
151 return NT_STATUS_UNSUCCESSFUL
;
154 state
.private_data
= private_data
;
155 status
= dbwrap_traverse_read(db
, sessionid_traverse_read_fn
, &state
,