Line data    Source code

       1             : /* 
       2             :  *  Unix SMB/CIFS implementation.
       3             :  *  Virtual Windows Registry Layer (utility functions)
       4             :  *  Copyright (C) Gerald Carter                     2002-2005
       5             :  *
       6             :  *  This program is free software; you can redistribute it and/or modify
       7             :  *  it under the terms of the GNU General Public License as published by
       8             :  *  the Free Software Foundation; either version 3 of the License, or
       9             :  *  (at your option) any later version.
      10             :  *
      11             :  *  This program is distributed in the hope that it will be useful,
      12             :  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
      13             :  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      14             :  *  GNU General Public License for more details.
      15             :  *
      16             :  *  You should have received a copy of the GNU General Public License
      17             :  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
      18             :  */
      19             : 
      20             : /* Implementation of registry frontend view functions. */
      21             : 
      22             : #include "includes.h"
      23             : #include "registry.h"
      24             : #include "reg_util_internal.h"
      25             : 
      26             : #undef DBGC_CLASS
      27             : #define DBGC_CLASS DBGC_REGISTRY
      28             : 
      29             : /***********************************************************************
      30             :  Utility function for splitting the base path of a registry path off
      31             :  by setting base and new_path to the apprapriate offsets within the
      32             :  path.
      33             : 
      34             :  WARNING!!  Does modify the original string!
      35             :  ***********************************************************************/
      36             : 
      37           0 : bool reg_split_path(char *path, char **base, char **new_path)
      38             : {
      39             :         char *p;
      40             : 
      41           0 :         *new_path = *base = NULL;
      42             : 
      43           0 :         if (!path) {
      44           0 :                 return false;
      45             :         }
      46           0 :         *base = path;
      47             : 
      48           0 :         p = strchr(path, '\\');
      49             : 
      50           0 :         if ( p ) {
      51           0 :                 *p = '\0';
      52           0 :                 *new_path = p+1;
      53             :         }
      54             : 
      55           0 :         return true;
      56             : }
      57             : 
      58             : /***********************************************************************
      59             :  Utility function for splitting the base path of a registry path off
      60             :  by setting base and new_path to the appropriate offsets within the
      61             :  path.
      62             : 
      63             :  WARNING!!  Does modify the original string!
      64             :  ***********************************************************************/
      65             : 
      66           0 : bool reg_split_key(char *path, char **base, char **key)
      67             : {
      68             :         char *p;
      69             : 
      70           0 :         *key = *base = NULL;
      71             : 
      72           0 :         if (!path) {
      73           0 :                 return false;
      74             :         }
      75             : 
      76           0 :         *base = path;
      77             : 
      78           0 :         p = strrchr(path, '\\');
      79             : 
      80           0 :         if (p) {
      81           0 :                 *p = '\0';
      82           0 :                 *key = p+1;
      83             :         }
      84             : 
      85           0 :         return true;
      86             : }
      87             : 
      88             : /**
      89             :  * The full path to the registry key is used as database key.
      90             :  * Leading and trailing '\' characters are stripped.
      91             :  * Key string is also normalized to UPPER case.
      92             :  */
      93             : 
      94      450125 : char *normalize_reg_path(TALLOC_CTX *ctx, const char *keyname )
      95             : {
      96             :         char *p;
      97             :         char *nkeyname;
      98             : 
      99             :         /* skip leading '\' chars */
     100      713962 :         while (*keyname == '\\') {
     101           0 :                 keyname++;
     102             :         }
     103             : 
     104      450125 :         nkeyname = talloc_strdup(ctx, keyname);
     105      450125 :         if (nkeyname == NULL) {
     106           0 :                 return NULL;
     107             :         }
     108             : 
     109             :         /* strip trailing '\' chars */
     110      450125 :         p = strrchr(nkeyname, '\\');
     111      713962 :         while ((p != NULL) && (p[1] == '\0')) {
     112           0 :                 *p = '\0';
     113           0 :                 p = strrchr(nkeyname, '\\');
     114             :         }
     115             : 
     116      450125 :         if (!strupper_m(nkeyname)) {
     117           0 :                 TALLOC_FREE(nkeyname);
     118           0 :                 return NULL;
     119             :         }
     120             : 
     121      450125 :         return nkeyname;
     122             : }
     123             : 
     124             : /**********************************************************************
     125             :  move to next non-delimter character
     126             : *********************************************************************/
     127             : 
     128           0 : char *reg_remaining_path(TALLOC_CTX *ctx, const char *key)
     129             : {
     130           0 :         char *new_path = NULL;
     131           0 :         char *p = NULL;
     132             : 
     133           0 :         if (!key || !*key) {
     134           0 :                 return NULL;
     135             :         }
     136             : 
     137           0 :         new_path = talloc_strdup(ctx, key);
     138           0 :         if (!new_path) {
     139           0 :                 return NULL;
     140             :         }
     141             :         /* normalize_reg_path( new_path ); */
     142           0 :         if (!(p = strchr(new_path, '\\')) ) {
     143           0 :                 p = new_path;
     144             :         } else {
     145           0 :                 p++;
     146             :         }
     147             : 
     148           0 :         return p;
     149             : }