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samba-mirror/source3/registry/reg_dynamic.c
Michael Adam 2925d83573 Add a registry backend current_version that replaces the former dynamic overlay.
Make sure to only respond to the exact current version key since subkeys
are registered by other backends (printing and - soon - perflib).

Michael
(This used to be commit 2c650bf63ccd9dc5dddbf4700831489544ded055)
2008-01-20 03:47:36 +01:00

138 lines
4.2 KiB
C

/*
* 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
struct reg_dyn_values {
const char *path;
int (*fetch_values) ( REGVAL_CTR *val );
};
/***********************************************************************
***********************************************************************/
static int perflib_params( REGVAL_CTR *regvals )
{
int base_index = -1;
int last_counter = -1;
int last_help = -1;
int version = 0x00010001;
base_index = reg_perfcount_get_base_index();
regval_ctr_addvalue(regvals, "Base Index", REG_DWORD, (char *)&base_index, sizeof(base_index));
last_counter = reg_perfcount_get_last_counter(base_index);
regval_ctr_addvalue(regvals, "Last Counter", REG_DWORD, (char *)&last_counter, sizeof(last_counter));
last_help = reg_perfcount_get_last_help(last_counter);
regval_ctr_addvalue(regvals, "Last Help", REG_DWORD, (char *)&last_help, sizeof(last_help));
regval_ctr_addvalue(regvals, "Version", REG_DWORD, (char *)&version, sizeof(version));
return regval_ctr_numvals( regvals );
}
/***********************************************************************
***********************************************************************/
static int perflib_009_params( REGVAL_CTR *regvals )
{
int base_index;
int buffer_size;
char *buffer = NULL;
base_index = reg_perfcount_get_base_index();
buffer_size = reg_perfcount_get_counter_names(base_index, &buffer);
regval_ctr_addvalue(regvals, "Counter", REG_MULTI_SZ, buffer, buffer_size);
if(buffer_size > 0)
SAFE_FREE(buffer);
buffer_size = reg_perfcount_get_counter_help(base_index, &buffer);
regval_ctr_addvalue(regvals, "Help", REG_MULTI_SZ, buffer, buffer_size);
if(buffer_size > 0)
SAFE_FREE(buffer);
return regval_ctr_numvals( regvals );
}
/***********************************************************************
Structure holding the registry paths and pointers to the value
enumeration functions
***********************************************************************/
static struct reg_dyn_values dynamic_values[] = {
{ "HKLM/SOFTWARE/MICROSOFT/WINDOWS NT/CURRENTVERSION/PERFLIB", &perflib_params },
{ "HKLM/SOFTWARE/MICROSOFT/WINDOWS NT/CURRENTVERSION/PERFLIB/009", &perflib_009_params },
{ NULL, NULL }
};
/***********************************************************************
***********************************************************************/
int fetch_dynamic_reg_values( REGISTRY_KEY *key, REGVAL_CTR *val )
{
int i;
char *path = NULL;
TALLOC_CTX *ctx = talloc_tos();
path = talloc_strdup(ctx, key->name);
if (!path) {
return -1;
}
path = normalize_reg_path(ctx, path);
if (!path) {
return -1;
}
for ( i=0; dynamic_values[i].path; i++ ) {
if ( strcmp( path, dynamic_values[i].path ) == 0 )
return dynamic_values[i].fetch_values( val );
}
return -1;
}
/***********************************************************************
***********************************************************************/
bool check_dynamic_reg_values( REGISTRY_KEY *key )
{
int i;
char *path = NULL;
TALLOC_CTX *ctx = talloc_tos();
path = talloc_strdup(ctx, key->name);
if (!path) {
return false;
}
path = normalize_reg_path(ctx, path);
if (!path) {
return false;
}
for ( i=0; dynamic_values[i].path; i++ ) {
/* can't write to dynamic keys */
if ( strcmp( path, dynamic_values[i].path ) == 0 )
return true;
}
return false;
}