1/* Licensed to the Apache Software Foundation (ASF) under one or more 2 * contributor license agreements. See the NOTICE file distributed with 3 * this work for additional information regarding copyright ownership. 4 * The ASF licenses this file to You under the Apache License, Version 2.0 5 * (the "License"); you may not use this file except in compliance with 6 * the License. You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17/** 18 * @file ap_regkey.h 19 * @brief APR-style Win32 Registry Manipulation 20 */ 21 22#ifndef AP_REGKEY_H 23#define AP_REGKEY_H 24 25#if defined(WIN32) || defined(DOXYGEN) 26 27#include "apr.h" 28#include "apr_pools.h" 29#include "ap_config.h" /* Just for AP_DECLARE */ 30 31#ifdef __cplusplus 32extern "C" { 33#endif 34 35typedef struct ap_regkey_t ap_regkey_t; 36 37/* Used to recover AP_REGKEY_* constants 38 */ 39AP_DECLARE(const ap_regkey_t *) ap_regkey_const(int i); 40 41/** 42 * Win32 Only: Constants for ap_regkey_open() 43 */ 44#define AP_REGKEY_CLASSES_ROOT ap_regkey_const(0) 45#define AP_REGKEY_CURRENT_CONFIG ap_regkey_const(1) 46#define AP_REGKEY_CURRENT_USER ap_regkey_const(2) 47#define AP_REGKEY_LOCAL_MACHINE ap_regkey_const(3) 48#define AP_REGKEY_USERS ap_regkey_const(4) 49#define AP_REGKEY_PERFORMANCE_DATA ap_regkey_const(5) 50#define AP_REGKEY_DYN_DATA ap_regkey_const(6) 51 52/** 53 * Win32 Only: Flags for ap_regkey_value_set() 54 */ 55#define AP_REGKEY_EXPAND 0x0001 56 57/** 58 * Win32 Only: Open the specified registry key. 59 * @param newkey The opened registry key 60 * @param parentkey The open registry key of the parent, or one of 61 * <PRE> 62 * AP_REGKEY_CLASSES_ROOT 63 * AP_REGKEY_CURRENT_CONFIG 64 * AP_REGKEY_CURRENT_USER 65 * AP_REGKEY_LOCAL_MACHINE 66 * AP_REGKEY_USERS 67 * AP_REGKEY_PERFORMANCE_DATA 68 * AP_REGKEY_DYN_DATA 69 * </PRE> 70 * @param keyname The path of the key relative to the parent key 71 * @param flags Or'ed value of: 72 * <PRE> 73 * APR_READ open key for reading 74 * APR_WRITE open key for writing 75 * APR_CREATE create the key if it doesn't exist 76 * APR_EXCL return error if APR_CREATE and key exists 77 * </PRE> 78 * @param pool The pool in which newkey is allocated 79 */ 80AP_DECLARE(apr_status_t) ap_regkey_open(ap_regkey_t **newkey, 81 const ap_regkey_t *parentkey, 82 const char *keyname, 83 apr_int32_t flags, 84 apr_pool_t *pool); 85 86/** 87 * Win32 Only: Close the registry key opened or created by ap_regkey_open(). 88 * @param key The registry key to close 89 */ 90AP_DECLARE(apr_status_t) ap_regkey_close(ap_regkey_t *key); 91 92/** 93 * Win32 Only: Remove the given registry key. 94 * @param parent The open registry key of the parent, or one of 95 * <PRE> 96 * AP_REGKEY_CLASSES_ROOT 97 * AP_REGKEY_CURRENT_CONFIG 98 * AP_REGKEY_CURRENT_USER 99 * AP_REGKEY_LOCAL_MACHINE 100 * AP_REGKEY_USERS 101 * AP_REGKEY_PERFORMANCE_DATA 102 * AP_REGKEY_DYN_DATA 103 * </PRE> 104 * @param keyname The path of the key relative to the parent key 105 * @param pool The pool used for temp allocations 106 * @remark ap_regkey_remove() is not recursive, although it removes 107 * all values within the given keyname, it will not remove a key 108 * containing subkeys. 109 */ 110AP_DECLARE(apr_status_t) ap_regkey_remove(const ap_regkey_t *parent, 111 const char *keyname, 112 apr_pool_t *pool); 113 114/** 115 * Win32 Only: Retrieve a registry value string from an open key. 116 * @param result The string value retrieved 117 * @param key The registry key to retrieve the value from 118 * @param valuename The named value to retrieve (pass "" for the default) 119 * @param pool The pool used to store the result 120 * @remark There is no toggle to prevent environment variable expansion 121 * if the registry value is set with AP_REG_EXPAND (REG_EXPAND_SZ), such 122 * expansions are always performed. 123 */ 124AP_DECLARE(apr_status_t) ap_regkey_value_get(char **result, 125 ap_regkey_t *key, 126 const char *valuename, 127 apr_pool_t *pool); 128 129/** 130 * Win32 Only: Store a registry value string into an open key. 131 * @param key The registry key to store the value into 132 * @param valuename The named value to store (pass "" for the default) 133 * @param value The string to store for the named value 134 * @param flags The option AP_REGKEY_EXPAND or 0, where AP_REGKEY_EXPAND 135 * values will find all %foo% variables expanded from the environment. 136 * @param pool The pool used for temp allocations 137 */ 138AP_DECLARE(apr_status_t) ap_regkey_value_set(ap_regkey_t *key, 139 const char *valuename, 140 const char *value, 141 apr_int32_t flags, 142 apr_pool_t *pool); 143 144/** 145 * Win32 Only: Retrieve a raw byte value from an open key. 146 * @param result The raw bytes value retrieved 147 * @param resultsize Pointer to a variable to store the number raw bytes retrieved 148 * @param resulttype Pointer to a variable to store the registry type of the value retrieved 149 * @param key The registry key to retrieve the value from 150 * @param valuename The named value to retrieve (pass "" for the default) 151 * @param pool The pool used to store the result 152 */ 153AP_DECLARE(apr_status_t) ap_regkey_value_raw_get(void **result, 154 apr_size_t *resultsize, 155 apr_int32_t *resulttype, 156 ap_regkey_t *key, 157 const char *valuename, 158 apr_pool_t *pool); 159 160/** 161 * Win32 Only: Store a raw bytes value into an open key. 162 * @param key The registry key to store the value into 163 * @param valuename The named value to store (pass "" for the default) 164 * @param value The bytes to store for the named value 165 * @param valuesize The number of bytes for value 166 * @param valuetype The 167 * values will find all %foo% variables expanded from the environment. 168 * @param pool The pool used for temp allocations 169 */ 170AP_DECLARE(apr_status_t) ap_regkey_value_raw_set(ap_regkey_t *key, 171 const char *valuename, 172 const void *value, 173 apr_size_t valuesize, 174 apr_int32_t valuetype, 175 apr_pool_t *pool); 176 177/** 178 * Win32 Only: Retrieve a registry value string from an open key. 179 * @param result The string elements retrieved from a REG_MULTI_SZ string array 180 * @param key The registry key to retrieve the value from 181 * @param valuename The named value to retrieve (pass "" for the default) 182 * @param pool The pool used to store the result 183 */ 184AP_DECLARE(apr_status_t) ap_regkey_value_array_get(apr_array_header_t **result, 185 ap_regkey_t *key, 186 const char *valuename, 187 apr_pool_t *pool); 188 189/** 190 * Win32 Only: Store a registry value string array into an open key. 191 * @param key The registry key to store the value into 192 * @param valuename The named value to store (pass "" for the default) 193 * @param nelts The string elements to store in a REG_MULTI_SZ string array 194 * @param elts The number of elements in the elts string array 195 * @param pool The pool used for temp allocations 196 */ 197AP_DECLARE(apr_status_t) ap_regkey_value_array_set(ap_regkey_t *key, 198 const char *valuename, 199 int nelts, 200 const char * const * elts, 201 apr_pool_t *pool); 202 203/** 204 * Win32 Only: Remove a registry value from an open key. 205 * @param key The registry key to remove the value from 206 * @param valuename The named value to remove (pass "" for the default) 207 * @param pool The pool used for temp allocations 208 */ 209AP_DECLARE(apr_status_t) ap_regkey_value_remove(const ap_regkey_t *key, 210 const char *valuename, 211 apr_pool_t *pool); 212 213#ifdef __cplusplus 214} 215#endif 216 217#endif /* def WIN32 || def DOXYGEN */ 218 219#endif /* AP_REGKEY_H */ 220