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/*
* Unix SMB/CIFS implementation.
* Virtual Windows Registry Layer
* Copyright (C) Gerald Carter 2002-2005
*
* 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/>.
*/
/* Implementation of registry frontend view functions. */
#include "includes.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_REGISTRY
extern REGISTRY_OPS printing_ops;
extern REGISTRY_OPS eventlog_ops;
extern REGISTRY_OPS shares_reg_ops;
extern REGISTRY_OPS smbconf_reg_ops;
extern REGISTRY_OPS regdb_ops; /* these are the default */
/* array of REGISTRY_HOOK's which are read into a tree for easy access */
/* #define REG_TDB_ONLY 1 */
REGISTRY_HOOK reg_hooks[] = {
#ifndef REG_TDB_ONLY
{ KEY_PRINTING, &printing_ops },
{ KEY_PRINTING_2K, &printing_ops },
{ KEY_PRINTING_PORTS, &printing_ops },
{ KEY_SHARES, &shares_reg_ops },
{ KEY_SMBCONF, &smbconf_reg_ops },
#endif
{ NULL, NULL }
};
/***********************************************************************
Open the registry database and initialize the REGISTRY_HOOK cache
***********************************************************************/
BOOL init_registry( void )
{
int i;
if ( !regdb_init() ) {
DEBUG(0,("init_registry: failed to initialize the registry tdb!\n"));
return False;
}
/* build the cache tree of registry hooks */
reghook_cache_init();
for ( i=0; reg_hooks[i].keyname; i++ ) {
if ( !reghook_cache_add(®_hooks[i]) )
return False;
}
if ( DEBUGLEVEL >= 20 )
reghook_dump_cache(20);
/* add any keys for other services */
svcctl_init_keys();
eventlog_init_keys();
perfcount_init_keys();
/* close and let each smbd open up as necessary */
regdb_close();
return True;
}
WERROR regkey_open_internal( TALLOC_CTX *ctx, REGISTRY_KEY **regkey,
const char *path,
const struct nt_user_token *token,
uint32 access_desired )
{
struct registry_key *key;
WERROR err;
err = reg_open_path(NULL, path, access_desired, token, &key);
if (!W_ERROR_IS_OK(err)) {
return err;
}
*regkey = talloc_move(ctx, &key->key);
TALLOC_FREE(key);
return WERR_OK;
}
WERROR regkey_set_secdesc(REGISTRY_KEY *key,
struct security_descriptor *psecdesc)
{
if (key->hook && key->hook->ops && key->hook->ops->set_secdesc) {
return key->hook->ops->set_secdesc(key->name, psecdesc);
}
return WERR_ACCESS_DENIED;
}
/*
* Utility function to create a registry key without opening the hive
* before. Assumes the hive already exists.
*/
WERROR reg_create_path(TALLOC_CTX *mem_ctx, const char *orig_path,
uint32 desired_access,
const struct nt_user_token *token,
enum winreg_CreateAction *paction,
struct registry_key **pkey)
{
struct registry_key *hive;
char *path, *p;
WERROR err;
if (!(path = SMB_STRDUP(orig_path))) {
return WERR_NOMEM;
}
p = strchr(path, '\\');
if ((p == NULL) || (p[1] == '\0')) {
/*
* No key behind the hive, just return the hive
*/
err = reg_openhive(mem_ctx, path, desired_access, token,
&hive);
if (!W_ERROR_IS_OK(err)) {
SAFE_FREE(path);
return err;
}
SAFE_FREE(path);
*pkey = hive;
*paction = REG_OPENED_EXISTING_KEY;
return WERR_OK;
}
*p = '\0';
err = reg_openhive(mem_ctx, path,
(strchr(p+1, '\\') != NULL) ?
SEC_RIGHTS_ENUM_SUBKEYS : SEC_RIGHTS_CREATE_SUBKEY,
token, &hive);
if (!W_ERROR_IS_OK(err)) {
SAFE_FREE(path);
return err;
}
err = reg_createkey(mem_ctx, hive, p+1, desired_access, pkey, paction);
SAFE_FREE(path);
TALLOC_FREE(hive);
return err;
}
/*
* Utility function to create a registry key without opening the hive
* before. Will not delete a hive.
*/
WERROR reg_delete_path(const struct nt_user_token *token,
const char *orig_path)
{
struct registry_key *hive;
char *path, *p;
WERROR err;
if (!(path = SMB_STRDUP(orig_path))) {
return WERR_NOMEM;
}
p = strchr(path, '\\');
if ((p == NULL) || (p[1] == '\0')) {
SAFE_FREE(path);
return WERR_INVALID_PARAM;
}
*p = '\0';
err = reg_openhive(NULL, path,
(strchr(p+1, '\\') != NULL) ?
SEC_RIGHTS_ENUM_SUBKEYS : SEC_RIGHTS_CREATE_SUBKEY,
token, &hive);
if (!W_ERROR_IS_OK(err)) {
SAFE_FREE(path);
return err;
}
err = reg_deletekey(hive, p+1);
SAFE_FREE(path);
TALLOC_FREE(hive);
return err;
}
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