libcli/registry/util_reg.c

   1 /*
   2  * Unix SMB/CIFS implementation.
   3  * Registry helper routines
   4  * Copyright (C) Volker Lendecke 2006
   5  * Copyright (C) Guenther Deschner 2009
   6  * Copyright (C) Jelmer Vernooij 2003-2007
   7  *
   8  * This program is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU General Public License as published by the Free
  10  * Software Foundation; either version 3 of the License, or (at your option)
  11  * any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful, but WITHOUT
  14  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  15  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  16  * more details.
  17  *
  18  * You should have received a copy of the GNU General Public License along with
  19  * this program; if not, see <http://www.gnu.org/licenses/>.
  20  */
  21
  22 #include "includes.h"
  23 #include "../librpc/gen_ndr/ndr_misc.h"
  24 #include "../libcli/registry/util_reg.h"
  25
  26 /**
  27  * @file
  28  * @brief Registry utility functions
  29  */
  30
  31 static const struct {
  32         uint32_t id;
  33         const char *name;
  34 } reg_value_types[] = {
  35         { REG_NONE, "REG_NONE" },
  36         { REG_SZ, "REG_SZ" },
  37         { REG_EXPAND_SZ, "REG_EXPAND_SZ" },
  38         { REG_BINARY, "REG_BINARY" },
  39         { REG_DWORD, "REG_DWORD" },
  40         { REG_DWORD_BIG_ENDIAN, "REG_DWORD_BIG_ENDIAN" },
  41         { REG_LINK, "REG_LINK" },
  42         { REG_MULTI_SZ, "REG_MULTI_SZ" },
  43         { REG_RESOURCE_LIST, "REG_RESOURCE_LIST" },
  44         { REG_FULL_RESOURCE_DESCRIPTOR, "REG_FULL_RESOURCE_DESCRIPTOR" },
  45         { REG_RESOURCE_REQUIREMENTS_LIST, "REG_RESOURCE_REQUIREMENTS_LIST" },
  46         { REG_QWORD, "REG_QWORD" },
  47
  48         { 0, NULL }
  49 };
  50
  51 /** Return string description of registry value type */
  52 _PUBLIC_ const char *str_regtype(int type)
  53 {
  54         unsigned int i;
  55         for (i = 0; reg_value_types[i].name; i++) {
  56                 if (reg_value_types[i].id == type)
  57                         return reg_value_types[i].name;
  58         }
  59
  60         return "Unknown";
  61 }
  62
  63 /** Return registry value type for string description */
  64 _PUBLIC_ int regtype_by_string(const char *str)
  65 {
  66         unsigned int i;
  67         for (i = 0; reg_value_types[i].name; i++) {
  68                 if (strequal(reg_value_types[i].name, str))
  69                         return reg_value_types[i].id;
  70         }
  71
  72         return -1;
  73 }
  74
  75 /*******************************************************************
  76  push a string in unix charset into a REG_SZ UCS2 null terminated blob
  77  ********************************************************************/
  78
  79 bool push_reg_sz(TALLOC_CTX *mem_ctx, DATA_BLOB *blob, const char *s)
  80 {
  81         union winreg_Data data;
  82         enum ndr_err_code ndr_err;
  83         data.string = s;
  84         ndr_err = ndr_push_union_blob(blob, mem_ctx, &data, REG_SZ,
  85                         (ndr_push_flags_fn_t)ndr_push_winreg_Data);
  86         return NDR_ERR_CODE_IS_SUCCESS(ndr_err);
  87 }
  88
  89 /*******************************************************************
  90  push a string_array in unix charset into a REG_MULTI_SZ UCS2 double-null
  91  terminated blob
  92  ********************************************************************/
  93
  94 bool push_reg_multi_sz(TALLOC_CTX *mem_ctx, DATA_BLOB *blob, const char **a)
  95 {
  96         union winreg_Data data;
  97         enum ndr_err_code ndr_err;
  98         data.string_array = a;
  99         ndr_err = ndr_push_union_blob(blob, mem_ctx, &data, REG_MULTI_SZ,
 100                         (ndr_push_flags_fn_t)ndr_push_winreg_Data);
 101         return NDR_ERR_CODE_IS_SUCCESS(ndr_err);
 102 }
 103
 104 /*******************************************************************
 105  pull a string in unix charset out of a REG_SZ UCS2 null terminated blob
 106  ********************************************************************/
 107
 108 bool pull_reg_sz(TALLOC_CTX *mem_ctx, const DATA_BLOB *blob, const char **s)
 109 {
 110         union winreg_Data data;
 111         enum ndr_err_code ndr_err;
 112         ndr_err = ndr_pull_union_blob(blob, mem_ctx, &data, REG_SZ,
 113                         (ndr_pull_flags_fn_t)ndr_pull_winreg_Data);
 114         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 115                 return false;
 116         }
 117         *s = data.string;
 118         return true;
 119 }
 120
 121 /*******************************************************************
 122  pull a string_array in unix charset out of a REG_MULTI_SZ UCS2 double-null
 123  terminated blob
 124  ********************************************************************/
 125
 126 bool pull_reg_multi_sz(TALLOC_CTX *mem_ctx,
 127                        const DATA_BLOB *blob, const char ***a)
 128 {
 129         union winreg_Data data;
 130         enum ndr_err_code ndr_err;
 131         ndr_err = ndr_pull_union_blob(blob, mem_ctx, &data, REG_MULTI_SZ,
 132                         (ndr_pull_flags_fn_t)ndr_pull_winreg_Data);
 133         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 134                 return false;
 135         }
 136         *a = data.string_array;
 137         return true;
 138 }