source/registry/reg_smbconf.c

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  Virtual Windows Registry Layer
   4  *  Copyright (C) Volker Lendecke 2006
   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 2 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, write to the Free Software
  18  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19  */
  20
  21 #include "includes.h"
  22
  23 #undef DBGC_CLASS
  24 #define DBGC_CLASS DBGC_RPC_SRV
  25
  26 extern REGISTRY_OPS regdb_ops;          /* these are the default */
  27
  28 static int smbconf_fetch_keys( const char *key, REGSUBKEY_CTR *subkey_ctr )
  29 {
  30         return regdb_ops.fetch_subkeys(key, subkey_ctr);
  31 }
  32
  33 static BOOL smbconf_store_keys( const char *key, REGSUBKEY_CTR *subkeys )
  34 {
  35         return regdb_ops.store_subkeys(key, subkeys);
  36 }
  37
  38 static int smbconf_fetch_values( const char *key, REGVAL_CTR *val )
  39 {
  40         return regdb_ops.fetch_values(key, val);
  41 }
  42
  43 static BOOL smbconf_store_values( const char *key, REGVAL_CTR *val )
  44 {
  45         int i;
  46         int num_values = regval_ctr_numvals(val);
  47
  48         for (i=0; i < num_values; i++) {
  49                 REGISTRY_VALUE *theval = regval_ctr_specific_value(val, i);
  50                 const char *valname = regval_name(theval);
  51
  52                 if (registry_smbconf_valname_forbidden(valname)) {
  53                         DEBUG(0, ("smbconf_store_values: value '%s' forbidden "
  54                               "in registry.\n", valname));
  55                         return False;
  56                 }
  57         }
  58         return regdb_ops.store_values(key, val);
  59 }
  60
  61 static BOOL smbconf_reg_access_check(const char *keyname, uint32 requested,
  62                                      uint32 *granted,
  63                                      const struct nt_user_token *token)
  64 {
  65         if (!(user_has_privileges(token, &se_disk_operators))) {
  66                 return False;
  67         }
  68
  69         *granted = REG_KEY_ALL;
  70         return True;
  71 }
  72
  73 static WERROR smbconf_get_secdesc(TALLOC_CTX *mem_ctx, const char *key,
  74                                   struct security_descriptor **psecdesc)
  75 {
  76         return regdb_ops.get_secdesc(mem_ctx, key, psecdesc);
  77 }
  78
  79 static WERROR smbconf_set_secdesc(const char *key,
  80                                   struct security_descriptor *secdesc)
  81 {
  82         return regdb_ops.set_secdesc(key, secdesc);
  83 }
  84
  85
  86 /*
  87  * Table of function pointers for accessing smb.conf data
  88  */
  89
  90 REGISTRY_OPS smbconf_reg_ops = {
  91         smbconf_fetch_keys,
  92         smbconf_fetch_values,
  93         smbconf_store_keys,
  94         smbconf_store_values,
  95         smbconf_reg_access_check,
  96         smbconf_get_secdesc,
  97         smbconf_set_secdesc
  98 };