2 * Copyright (c) 1997 - 2006 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the Institute nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
40 #elif defined(HAVE_DB3_DB_H)
46 static krb5_error_code
47 DB_close(krb5_context context
, HDB
*db
)
49 DB
*d
= (DB
*)db
->hdb_db
;
50 DBC
*dbcp
= (DBC
*)db
->hdb_dbc
;
52 (*dbcp
->c_close
)(dbcp
);
58 static krb5_error_code
59 DB_destroy(krb5_context context
, HDB
*db
)
63 ret
= hdb_clear_master_key (context
, db
);
69 static krb5_error_code
70 DB_lock(krb5_context context
, HDB
*db
, int operation
)
72 DB
*d
= (DB
*)db
->hdb_db
;
75 return HDB_ERR_CANT_LOCK_DB
;
76 return hdb_lock(fd
, operation
);
79 static krb5_error_code
80 DB_unlock(krb5_context context
, HDB
*db
)
82 DB
*d
= (DB
*)db
->hdb_db
;
85 return HDB_ERR_CANT_LOCK_DB
;
86 return hdb_unlock(fd
);
90 static krb5_error_code
91 DB_seq(krb5_context context
, HDB
*db
,
92 unsigned flags
, hdb_entry_ex
*entry
, int flag
)
95 DBC
*dbcp
= db
->hdb_dbc
;
96 krb5_data key_data
, data
;
99 memset(&key
, 0, sizeof(DBT
));
100 memset(&value
, 0, sizeof(DBT
));
101 if ((*db
->hdb_lock
)(context
, db
, HDB_RLOCK
))
102 return HDB_ERR_DB_INUSE
;
103 code
= (*dbcp
->c_get
)(dbcp
, &key
, &value
, flag
);
104 (*db
->hdb_unlock
)(context
, db
); /* XXX check value */
105 if (code
== DB_NOTFOUND
)
106 return HDB_ERR_NOENTRY
;
110 key_data
.data
= key
.data
;
111 key_data
.length
= key
.size
;
112 data
.data
= value
.data
;
113 data
.length
= value
.size
;
114 memset(entry
, 0, sizeof(*entry
));
115 if (hdb_value2entry(context
, &data
, &entry
->entry
))
116 return DB_seq(context
, db
, flags
, entry
, DB_NEXT
);
117 if (db
->hdb_master_key_set
&& (flags
& HDB_F_DECRYPT
)) {
118 code
= hdb_unseal_keys (context
, db
, &entry
->entry
);
120 hdb_free_entry (context
, entry
);
122 if (entry
->entry
.principal
== NULL
) {
123 entry
->entry
.principal
= malloc(sizeof(*entry
->entry
.principal
));
124 if (entry
->entry
.principal
== NULL
) {
125 hdb_free_entry (context
, entry
);
126 krb5_set_error_message(context
, ENOMEM
, "malloc: out of memory");
129 hdb_key2principal(context
, &key_data
, entry
->entry
.principal
);
136 static krb5_error_code
137 DB_firstkey(krb5_context context
, HDB
*db
, unsigned flags
, hdb_entry_ex
*entry
)
139 return DB_seq(context
, db
, flags
, entry
, DB_FIRST
);
143 static krb5_error_code
144 DB_nextkey(krb5_context context
, HDB
*db
, unsigned flags
, hdb_entry_ex
*entry
)
146 return DB_seq(context
, db
, flags
, entry
, DB_NEXT
);
149 static krb5_error_code
150 DB_rename(krb5_context context
, HDB
*db
, const char *new_name
)
155 asprintf(&old
, "%s.db", db
->hdb_name
);
156 asprintf(&new, "%s.db", new_name
);
157 ret
= rename(old
, new);
164 db
->hdb_name
= strdup(new_name
);
168 static krb5_error_code
169 DB__get(krb5_context context
, HDB
*db
, krb5_data key
, krb5_data
*reply
)
171 DB
*d
= (DB
*)db
->hdb_db
;
175 memset(&k
, 0, sizeof(DBT
));
176 memset(&v
, 0, sizeof(DBT
));
180 if ((code
= (*db
->hdb_lock
)(context
, db
, HDB_RLOCK
)))
182 code
= (*d
->get
)(d
, NULL
, &k
, &v
, 0);
183 (*db
->hdb_unlock
)(context
, db
);
184 if(code
== DB_NOTFOUND
)
185 return HDB_ERR_NOENTRY
;
189 krb5_data_copy(reply
, v
.data
, v
.size
);
193 static krb5_error_code
194 DB__put(krb5_context context
, HDB
*db
, int replace
,
195 krb5_data key
, krb5_data value
)
197 DB
*d
= (DB
*)db
->hdb_db
;
201 memset(&k
, 0, sizeof(DBT
));
202 memset(&v
, 0, sizeof(DBT
));
207 v
.size
= value
.length
;
209 if ((code
= (*db
->hdb_lock
)(context
, db
, HDB_WLOCK
)))
211 code
= (*d
->put
)(d
, NULL
, &k
, &v
, replace
? 0 : DB_NOOVERWRITE
);
212 (*db
->hdb_unlock
)(context
, db
);
213 if(code
== DB_KEYEXIST
)
214 return HDB_ERR_EXISTS
;
220 static krb5_error_code
221 DB__del(krb5_context context
, HDB
*db
, krb5_data key
)
223 DB
*d
= (DB
*)db
->hdb_db
;
225 krb5_error_code code
;
226 memset(&k
, 0, sizeof(DBT
));
230 code
= (*db
->hdb_lock
)(context
, db
, HDB_WLOCK
);
233 code
= (*d
->del
)(d
, NULL
, &k
, 0);
234 (*db
->hdb_unlock
)(context
, db
);
235 if(code
== DB_NOTFOUND
)
236 return HDB_ERR_NOENTRY
;
242 static krb5_error_code
243 DB_open(krb5_context context
, HDB
*db
, int flags
, mode_t mode
)
252 myflags
|= DB_CREATE
;
257 if((flags
& O_ACCMODE
) == O_RDONLY
)
258 myflags
|= DB_RDONLY
;
261 myflags
|= DB_TRUNCATE
;
263 asprintf(&fn
, "%s.db", db
->hdb_name
);
265 krb5_set_error_message(context
, ENOMEM
, "malloc: out of memory");
268 db_create(&d
, NULL
, 0);
271 #if (DB_VERSION_MAJOR >= 4) && (DB_VERSION_MINOR >= 1)
272 ret
= (*d
->open
)(db
->hdb_db
, NULL
, fn
, NULL
, DB_BTREE
, myflags
, mode
);
274 ret
= (*d
->open
)(db
->hdb_db
, fn
, NULL
, DB_BTREE
, myflags
, mode
);
278 /* try to open without .db extension */
279 #if (DB_VERSION_MAJOR >= 4) && (DB_VERSION_MINOR >= 1)
280 ret
= (*d
->open
)(db
->hdb_db
, NULL
, db
->hdb_name
, NULL
, DB_BTREE
,
283 ret
= (*d
->open
)(db
->hdb_db
, db
->hdb_name
, NULL
, DB_BTREE
,
290 krb5_set_error_message(context
, ret
, "opening %s: %s",
291 db
->hdb_name
, strerror(ret
));
296 ret
= (*d
->cursor
)(d
, NULL
, &dbc
, 0);
298 krb5_set_error_message(context
, ret
, "d->cursor: %s", strerror(ret
));
303 if((flags
& O_ACCMODE
) == O_RDONLY
)
304 ret
= hdb_check_db_format(context
, db
);
306 ret
= hdb_init_db(context
, db
);
307 if(ret
== HDB_ERR_NOENTRY
)
310 DB_close(context
, db
);
311 krb5_set_error_message(context
, ret
, "hdb_open: failed %s database %s",
312 (flags
& O_ACCMODE
) == O_RDONLY
?
313 "checking format of" : "initialize",
321 hdb_db_create(krb5_context context
, HDB
**db
,
322 const char *filename
)
324 *db
= calloc(1, sizeof(**db
));
326 krb5_set_error_message(context
, ENOMEM
, "malloc: out of memory");
330 (*db
)->hdb_db
= NULL
;
331 (*db
)->hdb_name
= strdup(filename
);
332 if ((*db
)->hdb_name
== NULL
) {
335 krb5_set_error_message(context
, ENOMEM
, "malloc: out of memory");
338 (*db
)->hdb_master_key_set
= 0;
339 (*db
)->hdb_openp
= 0;
340 (*db
)->hdb_capability_flags
= HDB_CAP_F_HANDLE_ENTERPRISE_PRINCIPAL
;
341 (*db
)->hdb_open
= DB_open
;
342 (*db
)->hdb_close
= DB_close
;
343 (*db
)->hdb_fetch
= _hdb_fetch
;
344 (*db
)->hdb_store
= _hdb_store
;
345 (*db
)->hdb_remove
= _hdb_remove
;
346 (*db
)->hdb_firstkey
= DB_firstkey
;
347 (*db
)->hdb_nextkey
= DB_nextkey
;
348 (*db
)->hdb_lock
= DB_lock
;
349 (*db
)->hdb_unlock
= DB_unlock
;
350 (*db
)->hdb_rename
= DB_rename
;
351 (*db
)->hdb__get
= DB__get
;
352 (*db
)->hdb__put
= DB__put
;
353 (*db
)->hdb__del
= DB__del
;
354 (*db
)->hdb_destroy
= DB_destroy
;
357 #endif /* HAVE_DB3 */