root/source3/registry/reg_backend_current_version.c

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DEFINITIONS

This source file includes following definitions.
  1. current_version_fetch_values
  2. current_version_fetch_subkeys

   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  * CurrentVersion registry backend.
  23  *
  24  * This is a virtual overlay, dynamically presenting version information.
  25  */
  26 
  27 #include "includes.h"
  28 
  29 #undef DBGC_CLASS
  30 #define DBGC_CLASS DBGC_REGISTRY
  31 
  32 extern REGISTRY_OPS regdb_ops;
  33 
  34 #define KEY_CURRENT_VERSION_NORM "HKLM/SOFTWARE/MICROSOFT/WINDOWS NT/CURRENTVERSION"
  35 
  36 static int current_version_fetch_values(const char *key, REGVAL_CTR *values)
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  37 {
  38         const char *sysroot_string = "c:\\Windows";
  39         fstring sysversion;
  40         fstring value;
  41         uint32 value_length;
  42         char *path = NULL;
  43         TALLOC_CTX *ctx = talloc_tos();
  44 
  45         path = talloc_strdup(ctx, key);
  46         if (path == NULL) {
  47                 return -1;
  48         }
  49         path = normalize_reg_path(ctx, path);
  50         if (path == NULL) {
  51                 return -1;
  52         }
  53 
  54         if (strncmp(path, KEY_CURRENT_VERSION_NORM, strlen(path)) != 0) {
  55                 return regdb_ops.fetch_values(key, values);
  56         }
  57 
  58         value_length = push_ucs2(value, value, sysroot_string, sizeof(value),
  59                                  STR_TERMINATE|STR_NOALIGN );
  60         regval_ctr_addvalue(values, "SystemRoot", REG_SZ, value, value_length);
  61 
  62         fstr_sprintf(sysversion, "%d.%d", lp_major_announce_version(),
  63                      lp_minor_announce_version());
  64         value_length = push_ucs2(value, value, sysversion, sizeof(value),
  65                                  STR_TERMINATE|STR_NOALIGN);
  66         regval_ctr_addvalue(values, "CurrentVersion", REG_SZ, value,
  67                             value_length);
  68 
  69         return regval_ctr_numvals(values);
  70 }
  71 
  72 static int current_version_fetch_subkeys(const char *key,
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  73                                          struct regsubkey_ctr *subkey_ctr)
  74 {
  75         return regdb_ops.fetch_subkeys(key, subkey_ctr);
  76 }
  77 
  78 REGISTRY_OPS current_version_reg_ops = {
  79         .fetch_values = current_version_fetch_values,
  80         .fetch_subkeys = current_version_fetch_subkeys,
  81 };

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