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samba-mirror/source3/registry/reg_backend_smbconf.c
Gregor Beck 356ed8644c s3:registry avoid updating keys which are going to be deleted in
reg_deletekey_recursive

this changes the complexity from O(n^2) to O(n) and reduces the time of
a 'net conf drop' with 10000 shares from 6min to 1.5s

Signed-off-by: Michael Adam <obnox@samba.org>
2011-08-08 15:27:07 +02:00

100 lines
2.8 KiB
C

/*
* Unix SMB/CIFS implementation.
* Virtual Windows Registry Layer
* Copyright (C) Volker Lendecke 2006
* Copyright (C) Michael Adam 2007
*
* 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 "registry.h"
#include "lib/privileges.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_REGISTRY
extern struct registry_ops regdb_ops; /* these are the default */
static int smbconf_fetch_keys( const char *key, struct regsubkey_ctr *subkey_ctr )
{
return regdb_ops.fetch_subkeys(key, subkey_ctr);
}
static bool smbconf_store_keys( const char *key, struct regsubkey_ctr *subkeys )
{
return regdb_ops.store_subkeys(key, subkeys);
}
static WERROR smbconf_create_subkey(const char *key, const char *subkey)
{
return regdb_ops.create_subkey(key, subkey);
}
static WERROR smbconf_delete_subkey(const char *key, const char *subkey, bool lazy)
{
return regdb_ops.delete_subkey(key, subkey, lazy);
}
static int smbconf_fetch_values(const char *key, struct regval_ctr *val)
{
return regdb_ops.fetch_values(key, val);
}
static bool smbconf_store_values(const char *key, struct regval_ctr *val)
{
return regdb_ops.store_values(key, val);
}
static bool smbconf_reg_access_check(const char *keyname, uint32 requested,
uint32 *granted,
const struct security_token *token)
{
if (!security_token_has_privilege(token, SEC_PRIV_DISK_OPERATOR)) {
return False;
}
*granted = REG_KEY_ALL;
return True;
}
static WERROR smbconf_get_secdesc(TALLOC_CTX *mem_ctx, const char *key,
struct security_descriptor **psecdesc)
{
return regdb_ops.get_secdesc(mem_ctx, key, psecdesc);
}
static WERROR smbconf_set_secdesc(const char *key,
struct security_descriptor *secdesc)
{
return regdb_ops.set_secdesc(key, secdesc);
}
/*
* Table of function pointers for accessing smb.conf data
*/
struct registry_ops smbconf_reg_ops = {
.fetch_subkeys = smbconf_fetch_keys,
.fetch_values = smbconf_fetch_values,
.store_subkeys = smbconf_store_keys,
.store_values = smbconf_store_values,
.create_subkey = smbconf_create_subkey,
.delete_subkey = smbconf_delete_subkey,
.reg_access_check = smbconf_reg_access_check,
.get_secdesc = smbconf_get_secdesc,
.set_secdesc = smbconf_set_secdesc,
};