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/*
Unix SMB/CIFS implementation.
ntdb utility functions
Copyright (C) Rusty Russell 2012
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "util_ntdb.h"
#include "lib/param/param.h"
static void *ntdb_talloc(const void *owner, size_t len, void *priv_data)
{
return talloc_size(owner, len);
}
static void *ntdb_expand(void *old, size_t newlen, void *priv_data)
{
return talloc_realloc_size(NULL, old, newlen);
}
static void ntdb_free(void *old, void *priv_data)
{
talloc_free(old);
}
static int ntdb_destroy(struct ntdb_context *ntdb)
{
ntdb_close(ntdb);
return 0;
}
static void ntdb_log(struct ntdb_context *ntdb,
enum ntdb_log_level level,
enum NTDB_ERROR ecode,
const char *message,
void *unused)
{
int dl;
const char *name = ntdb_name(ntdb);
switch (level) {
case NTDB_LOG_USE_ERROR:
case NTDB_LOG_ERROR:
dl = 0;
break;
case NTDB_LOG_WARNING:
dl = 2;
break;
default:
dl = 0;
}
DEBUG(dl, ("ntdb(%s):%s: %s\n", name ? name : "unnamed",
ntdb_errorstr(ecode), message));
}
struct ntdb_context *ntdb_new(TALLOC_CTX *ctx,
const char *name, int ntdb_flags,
int open_flags, mode_t mode,
union ntdb_attribute *attr,
struct loadparm_context *lp_ctx)
{
union ntdb_attribute log_attr, alloc_attr;
struct ntdb_context *ntdb;
if (lp_ctx && !lpcfg_use_mmap(lp_ctx)) {
ntdb_flags |= NTDB_NOMMAP;
}
/* Great hack for speeding testing! */
if (getenv("TDB_NO_FSYNC")) {
ntdb_flags |= NTDB_NOSYNC;
}
log_attr.base.next = attr;
log_attr.base.attr = NTDB_ATTRIBUTE_LOG;
log_attr.log.fn = ntdb_log;
alloc_attr.base.next = &log_attr;
alloc_attr.base.attr = NTDB_ATTRIBUTE_ALLOCATOR;
alloc_attr.alloc.alloc = ntdb_talloc;
alloc_attr.alloc.expand = ntdb_expand;
alloc_attr.alloc.free = ntdb_free;
ntdb = ntdb_open(name, ntdb_flags, open_flags, mode, &alloc_attr);
if (!ntdb) {
return NULL;
}
/* We can re-use the tdb's path name for the talloc name */
name = ntdb_name(ntdb);
if (name) {
talloc_set_name_const(ntdb, name);
} else {
talloc_set_name_const(ntdb, "unnamed ntdb");
}
talloc_set_destructor(ntdb, ntdb_destroy);
return talloc_steal(ctx, ntdb);
}
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