Line data    Source code

       1             : /*
       2             :  *  Unix SMB/CIFS implementation.
       3             :  *  Virtual Windows Registry Layer
       4             :  *  Copyright (C) Gerald Carter     2002-2005
       5             :  *  Copyright (C) Michael Adam      2008
       6             :  *
       7             :  *  This program is free software; you can redistribute it and/or modify
       8             :  *  it under the terms of the GNU General Public License as published by
       9             :  *  the Free Software Foundation; either version 3 of the License, or
      10             :  *  (at your option) any later version.
      11             :  *
      12             :  *  This program is distributed in the hope that it will be useful,
      13             :  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
      14             :  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      15             :  *  GNU General Public License for more details.
      16             :  *
      17             :  *  You should have received a copy of the GNU General Public License
      18             :  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
      19             :  */
      20             : 
      21             : /*
      22             :  * perflib registry backend.
      23             :  *
      24             :  * This is a virtual overlay, dynamically presenting perflib values.
      25             :  */
      26             : 
      27             : #include "includes.h"
      28             : #include "registry.h"
      29             : #include "reg_util_internal.h"
      30             : #include "reg_perfcount.h"
      31             : #include "reg_objects.h"
      32             : 
      33             : #undef DBGC_CLASS
      34             : #define DBGC_CLASS DBGC_REGISTRY
      35             : 
      36             : extern struct registry_ops regdb_ops;
      37             : 
      38             : #define KEY_PERFLIB_NORM        "HKLM\\SOFTWARE\\MICROSOFT\\WINDOWS NT\\CURRENTVERSION\\PERFLIB"
      39             : #define KEY_PERFLIB_009_NORM    "HKLM\\SOFTWARE\\MICROSOFT\\WINDOWS NT\\CURRENTVERSION\\PERFLIB\\009"
      40             : 
      41           0 : static int perflib_params(struct regval_ctr *regvals)
      42             : {
      43           0 :         int base_index = -1;
      44           0 :         int last_counter = -1;
      45           0 :         int last_help = -1;
      46           0 :         int version = 0x00010001;
      47             :         
      48           0 :         base_index = reg_perfcount_get_base_index();
      49           0 :         regval_ctr_addvalue(regvals, "Base Index", REG_DWORD, (uint8_t *)&base_index, sizeof(base_index));
      50           0 :         last_counter = reg_perfcount_get_last_counter(base_index);
      51           0 :         regval_ctr_addvalue(regvals, "Last Counter", REG_DWORD, (uint8_t *)&last_counter, sizeof(last_counter));
      52           0 :         last_help = reg_perfcount_get_last_help(last_counter);
      53           0 :         regval_ctr_addvalue(regvals, "Last Help", REG_DWORD, (uint8_t *)&last_help, sizeof(last_help));
      54           0 :         regval_ctr_addvalue(regvals, "Version", REG_DWORD, (uint8_t *)&version, sizeof(version));
      55             : 
      56           0 :         return regval_ctr_numvals( regvals );
      57             : }
      58             : 
      59           0 : static int perflib_009_params(struct regval_ctr *regvals)
      60             : {
      61           0 :         int base_index;
      62           0 :         int buffer_size;
      63           0 :         char *buffer = NULL;
      64             : 
      65           0 :         base_index = reg_perfcount_get_base_index();
      66           0 :         buffer_size = reg_perfcount_get_counter_names(base_index, &buffer);
      67           0 :         regval_ctr_addvalue(regvals, "Counter", REG_MULTI_SZ, (uint8_t *)buffer, buffer_size);
      68           0 :         if(buffer_size > 0)
      69           0 :                 SAFE_FREE(buffer);
      70           0 :         buffer_size = reg_perfcount_get_counter_help(base_index, &buffer);
      71           0 :         regval_ctr_addvalue(regvals, "Help", REG_MULTI_SZ, (uint8_t *)buffer, buffer_size);
      72           0 :         if(buffer_size > 0)
      73           0 :                 SAFE_FREE(buffer);
      74             :         
      75           0 :         return regval_ctr_numvals( regvals );
      76             : }
      77             : 
      78           0 : static int perflib_fetch_values(const char *key, struct regval_ctr *regvals)
      79             : {
      80           0 :         char *path = NULL;
      81           0 :         TALLOC_CTX *ctx = talloc_tos();
      82             : 
      83           0 :         path = talloc_strdup(ctx, key);
      84           0 :         if (path == NULL) {
      85           0 :                 return -1;
      86             :         }
      87           0 :         path = normalize_reg_path(ctx, path);
      88           0 :         if (path == NULL) {
      89           0 :                 return -1;
      90             :         }
      91             : 
      92           0 :         if (strncmp(path, KEY_PERFLIB_NORM, strlen(path)) == 0) {
      93           0 :                 return perflib_params(regvals);
      94           0 :         } else if (strncmp(path, KEY_PERFLIB_009_NORM, strlen(path)) == 0) {
      95           0 :                 return perflib_009_params(regvals);
      96             :         } else {
      97           0 :                 return 0;
      98             :         }
      99             : }
     100             : 
     101           0 : static int perflib_fetch_subkeys(const char *key,
     102             :                                  struct regsubkey_ctr *subkey_ctr)
     103             : {
     104           0 :         return regdb_ops.fetch_subkeys(key, subkey_ctr);
     105             : }
     106             : 
     107             : struct registry_ops perflib_reg_ops = {
     108             :         .fetch_values = perflib_fetch_values,
     109             :         .fetch_subkeys = perflib_fetch_subkeys,
     110             : };