oysteikt/heimdal
0
0
Fork 0
Code Issues 5 Pull Requests Releases Activity

add berkeley db3 interface. contributed by Derrick J Brashear <shadow@dementia.org>

Browse Source 
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@8312 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Assar Westerlund
2000-06-05 01:08:47 +00:00
parent 568835b256
commit f498ac3c40
3 changed files with 299 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
lib/hdb/Makefile.am
View File

@@ -28,6 +28,7 @@ libhdb_la_SOURCES = \
hdb.c \
common.c \
db.c \
db3.c \
ndbm.c \
hdb-ldap.c \
print.c \

2
lib/hdb/db.c
View File

@@ -35,7 +35,7 @@
RCSID("$Id$");
#ifdef HAVE_DB_H
#if defined(HAVE_DB_H) && DB_VERSION_MAJOR < 3
static krb5_error_code
DB_close(krb5_context context, HDB *db)

297
lib/hdb/db3.c Normal file
View File

@@ -0,0 +1,297 @@
/*
* Copyright (c) 1997, 1998, 1999 Kungliga Tekniska H<>gskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "hdb_locl.h"
RCSID("$Id$");
#if defined(HAVE_DB_H) && DB_VERSION_MAJOR == 3
static krb5_error_code
DB_close(krb5_context context, HDB *db)
{
DB *d = (DB*)db->db;
d->close(d, 0);
return 0;
}
static krb5_error_code
DB_destroy(krb5_context context, HDB *db)
{
krb5_error_code ret;
ret = hdb_clear_master_key (context, db);
free(db->name);
free(db);
return ret;
}
static krb5_error_code
DB_lock(krb5_context context, HDB *db, int operation)
{
DB *d = (DB*)db->db;
int fd;
if ((*d->fd)(d, &fd))
return HDB_ERR_CANT_LOCK_DB;
return hdb_lock(fd, operation);
}
static krb5_error_code
DB_unlock(krb5_context context, HDB *db)
{
DB *d = (DB*)db->db;
int fd;
if ((*d->fd)(d, &fd))
return HDB_ERR_CANT_LOCK_DB;
return hdb_unlock(fd);
}
static krb5_error_code
DB_seq(krb5_context context, HDB *db,
unsigned flags, hdb_entry *entry, int flag)
{
DB *d = (DB*)db->db;
DBT key, value;
DBC *dbcp;
krb5_data key_data, data;
int code;
memset(&key, 0, sizeof(DBT));
memset(&value, 0, sizeof(DBT));
if (db->lock(context, db, HDB_RLOCK))
return HDB_ERR_DB_INUSE;
code = d->cursor(d, NULL, (DBC **)&db->dbc, 0);
if (code)
return code;
dbcp=db->dbc;
code = dbcp->c_get(dbcp, &key, &value, flag);
db->unlock(context, db); /* XXX check value */
if (code == DB_NOTFOUND)
return HDB_ERR_NOENTRY;
if (code)
return code;
key_data.data = key.data;
key_data.length = key.size;
data.data = value.data;
data.length = value.size;
if (hdb_value2entry(context, &data, entry))
return DB_seq(context, db, flags, entry, DB_NEXT);
if (db->master_key_set && (flags & HDB_F_DECRYPT))
hdb_unseal_keys (db, entry);
if (entry->principal == NULL) {
entry->principal = malloc(sizeof(*entry->principal));
hdb_key2principal(context, &key_data, entry->principal);
}
return 0;
}
static krb5_error_code
DB_firstkey(krb5_context context, HDB *db, unsigned flags, hdb_entry *entry)
{
return DB_seq(context, db, flags, entry, DB_FIRST);
}
static krb5_error_code
DB_nextkey(krb5_context context, HDB *db, unsigned flags, hdb_entry *entry)
{
return DB_seq(context, db, flags, entry, DB_NEXT);
}
static krb5_error_code
DB_rename(krb5_context context, HDB *db, const char *new_name)
{
int ret;
char *old, *new;
asprintf(&old, "%s.db", db->name);
asprintf(&new, "%s.db", new_name);
ret = rename(old, new);
free(old);
free(new);
if(ret)
return errno;
free(db->name);
db->name = strdup(new_name);
return 0;
}
static krb5_error_code
DB__get(krb5_context context, HDB *db, krb5_data key, krb5_data *reply)
{
DB *d = (DB*)db->db;
DBT k, v;
int code;
memset(&k, 0, sizeof(DBT));
memset(&v, 0, sizeof(DBT));
k.data = key.data;
k.size = key.length;
k.flags = 0;
if ((code = db->lock(context, db, HDB_RLOCK)))
return code;
code = d->get(d, NULL, &k, &v, 0);
db->unlock(context, db);
if(code == DB_NOTFOUND)
return HDB_ERR_NOENTRY;
if(code)
return code;
krb5_data_copy(reply, v.data, v.size);
return 0;
}
static krb5_error_code
DB__put(krb5_context context, HDB *db, int replace,
krb5_data key, krb5_data value)
{
DB *d = (DB*)db->db;
DBT k, v;
int code;
memset(&k, 0, sizeof(DBT));
memset(&v, 0, sizeof(DBT));
k.data = key.data;
k.size = key.length;
k.flags = 0;
v.data = value.data;
v.size = value.length;
v.flags = 0;
if ((code = db->lock(context, db, HDB_WLOCK)))
return code;
code = d->put(d, NULL, &k, &v, replace ? 0 : DB_NOOVERWRITE);
db->unlock(context, db);
if(code == DB_KEYEXIST)
return HDB_ERR_EXISTS;
if(code)
return errno;
return 0;
}
static krb5_error_code
DB__del(krb5_context context, HDB *db, krb5_data key)
{
DB *d = (DB*)db->db;
DBT k;
krb5_error_code code;
memset(&k, 0, sizeof(DBT));
k.data = key.data;
k.size = key.length;
k.flags = 0;
code = db->lock(context, db, HDB_WLOCK);
if(code)
return code;
code = d->del(d, NULL, &k, 0);
db->unlock(context, db);
if(code == DB_NOTFOUND)
return HDB_ERR_NOENTRY;
if(code)
return code;
return 0;
}
static krb5_error_code
DB_open(krb5_context context, HDB *db, int flags, mode_t mode)
{
char *fn;
krb5_error_code ret;
DB *d;
int myflags = 0;
if (flags & O_CREAT)
myflags |= DB_CREATE;
if (flags & O_EXCL)
myflags |= DB_EXCL;
if (flags & O_RDONLY)
myflags |= DB_RDONLY;
if (flags & O_TRUNC)
myflags |= DB_TRUNCATE;
asprintf(&fn, "%s.db", db->name);
if (fn == NULL)
return ENOMEM;
db_create(&d, NULL, 0);
db->db = d;
if ((ret = d->open(db->db, fn, NULL, DB_BTREE, myflags, mode))) {
if(ret == ENOENT)
/* try to open without .db extension */
if (d->open(db->db, db->name, NULL, DB_BTREE, myflags, mode)) {
free(fn);
return ret;
}
}
free(fn);
if((flags & O_ACCMODE) == O_RDONLY)
ret = hdb_check_db_format(context, db);
else
ret = hdb_init_db(context, db);
if(ret == HDB_ERR_NOENTRY)
return 0;
return ret;
}
krb5_error_code
hdb_db_create(krb5_context context, HDB **db,
const char *filename)
{
*db = malloc(sizeof(**db));
if (*db == NULL)
return ENOMEM;
(*db)->db = NULL;
(*db)->name = strdup(filename);
(*db)->master_key_set = 0;
(*db)->openp = 0;
(*db)->open = DB_open;
(*db)->close = DB_close;
(*db)->fetch = _hdb_fetch;
(*db)->store = _hdb_store;
(*db)->remove = _hdb_remove;
(*db)->firstkey = DB_firstkey;
(*db)->nextkey= DB_nextkey;
(*db)->lock = DB_lock;
(*db)->unlock = DB_unlock;
(*db)->rename = DB_rename;
(*db)->_get = DB__get;
(*db)->_put = DB__put;
(*db)->_del = DB__del;
(*db)->destroy = DB_destroy;
return 0;
}
#endif