source/lib/registry/registry.h

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Registry interface
   4    Copyright (C) Gerald Carter                        2002.
   5    Copyright (C) Jelmer Vernooij                                          2003-2007.
   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 #ifndef _REGISTRY_H /* _REGISTRY_H */
  22 #define _REGISTRY_H
  23
  24 struct registry_context;
  25
  26 #include "core.h"
  27 #include "talloc/talloc.h"
  28 #include "librpc/gen_ndr/security.h"
  29 #include "lib/registry/hive.h"
  30
  31 /* Handles for the predefined keys */
  32 #define HKEY_CLASSES_ROOT                0x80000000
  33 #define HKEY_CURRENT_USER                0x80000001
  34 #define HKEY_LOCAL_MACHINE               0x80000002
  35 #define HKEY_USERS                               0x80000003
  36 #define HKEY_PERFORMANCE_DATA    0x80000004
  37 #define HKEY_CURRENT_CONFIG              0x80000005
  38 #define HKEY_DYN_DATA                    0x80000006
  39 #define HKEY_PERFORMANCE_TEXT    0x80000050
  40 #define HKEY_PERFORMANCE_NLSTEXT 0x80000060
  41
  42 #define HKEY_FIRST              HKEY_CLASSES_ROOT
  43 #define HKEY_LAST               HKEY_PERFORMANCE_NLSTEXT
  44
  45 struct reg_predefined_key {
  46         uint32_t handle;
  47         const char *name;
  48 };
  49
  50 extern const struct reg_predefined_key reg_predefined_keys[];
  51
  52 #define REG_DELETE              -1
  53
  54 /*
  55  * The general idea here is that every backend provides a 'hive'. Combining
  56  * various hives gives you a complete registry like windows has
  57  */
  58
  59 #define REGISTRY_INTERFACE_VERSION 1
  60
  61 struct reg_key_operations;
  62
  63 /* structure to store the registry handles */
  64 struct registry_key
  65 {
  66         struct registry_context *context;
  67 };
  68
  69 #include "lib/registry/patchfile.h"
  70
  71 struct registry_value
  72 {
  73   const char *name;
  74   unsigned int data_type;
  75   DATA_BLOB data;
  76 };
  77
  78 /* FIXME */
  79 typedef void (*reg_key_notification_function) (void);
  80 typedef void (*reg_value_notification_function) (void);
  81
  82 struct cli_credentials;
  83 struct registry_context;
  84
  85 struct registry_operations {
  86         const char *name;
  87
  88         WERROR (*get_key_info) (TALLOC_CTX *mem_ctx,
  89                                                         const struct registry_key *key,
  90                                                         const char **classname,
  91                                                         uint32_t *numsubkeys,
  92                                                         uint32_t *numvalues,
  93                                                         NTTIME *last_change_time);
  94
  95         WERROR (*flush_key) (struct registry_key *key);
  96
  97         WERROR (*get_predefined_key) (const struct registry_context *ctx,
  98                                                           uint32_t key_id,
  99                                                           struct registry_key **key);
 100
 101         WERROR (*open_key) (TALLOC_CTX *mem_ctx,
 102                                                 struct registry_key *parent,
 103                                                 const char *path,
 104                                                 struct registry_key **key);
 105
 106         WERROR (*create_key) (TALLOC_CTX *mem_ctx,
 107                                                   struct registry_key *parent,
 108                                                   const char *name,
 109                                                   const char *key_class,
 110                                                   struct security_descriptor *security,
 111                                                   struct registry_key **key);
 112
 113         WERROR (*delete_key) (struct registry_key *key, const char *name);
 114
 115         WERROR (*delete_value) (struct registry_key *key, const char *name);
 116
 117         WERROR (*enum_key) (TALLOC_CTX *mem_ctx,
 118                                                 const struct registry_key *key, uint32_t idx,
 119                                                 const char **name,
 120                                                 const char **keyclass,
 121                                                 NTTIME *last_changed_time);
 122
 123         WERROR (*enum_value) (TALLOC_CTX *mem_ctx,
 124                                                   const struct registry_key *key, uint32_t idx,
 125                                                   const char **name,
 126                                                   uint32_t *type,
 127                                                   DATA_BLOB *data);
 128
 129         WERROR (*get_security) (TALLOC_CTX *mem_ctx,
 130                                                         const struct registry_key *key,
 131                                                         struct security_descriptor **security);
 132
 133         WERROR (*set_security) (struct registry_key *key,
 134                                                         const struct security_descriptor *security);
 135
 136         WERROR (*load_key) (struct registry_key *key,
 137                                                 const char *key_name,
 138                                                 const char *path);
 139
 140         WERROR (*unload_key) (struct registry_key *key, const char *name);
 141
 142         WERROR (*notify_value_change) (struct registry_key *key,
 143                                                                         reg_value_notification_function fn);
 144
 145         WERROR (*get_value) (TALLOC_CTX *mem_ctx,
 146                                                  const struct registry_key *key,
 147                                                  const char *name,
 148                                                  uint32_t *type,
 149                                                  DATA_BLOB *data);
 150
 151         WERROR (*set_value) (struct registry_key *key,
 152                                                  const char *name,
 153                                                  uint32_t type,
 154                                                  const DATA_BLOB data);
 155 };
 156
 157 /**
 158  * Handle to a full registry
 159  * contains zero or more hives
 160  */
 161 struct registry_context {
 162         const struct registry_operations *ops;
 163 };
 164
 165 struct auth_session_info;
 166 struct event_context;
 167
 168 /**
 169  * Open the locally defined registry.
 170  */
 171 WERROR reg_open_local (TALLOC_CTX *mem_ctx,
 172                                 struct registry_context **ctx,
 173                                 struct auth_session_info *session_info,
 174                                 struct cli_credentials *credentials);
 175
 176 WERROR reg_open_samba (TALLOC_CTX *mem_ctx,
 177                                                                 struct registry_context **ctx,
 178                                                                 struct auth_session_info *session_info,
 179                                                                 struct cli_credentials *credentials);
 180
 181 /**
 182  * Open the registry on a remote machine.
 183  */
 184 WERROR reg_open_remote(struct registry_context **ctx,
 185                                                                 struct auth_session_info *session_info,
 186                                                                 struct cli_credentials *credentials,
 187                                                                 const char *location, struct event_context *ev);
 188
 189 WERROR reg_open_wine(struct registry_context **ctx, const char *path);
 190
 191 const char *reg_get_predef_name(uint32_t hkey);
 192 WERROR reg_get_predefined_key_by_name(struct registry_context *ctx,
 193                                                                                            const char *name,
 194                                                                                            struct registry_key **key);
 195 WERROR reg_get_predefined_key(const struct registry_context *ctx,
 196                                                                            uint32_t hkey,
 197                                                                            struct registry_key **key);
 198
 199 WERROR reg_open_key(TALLOC_CTX *mem_ctx, struct registry_key *parent,
 200                                                          const char *name, struct registry_key **result);
 201
 202 WERROR reg_key_get_value_by_index(TALLOC_CTX *mem_ctx,
 203                                    const struct registry_key *key, uint32_t idx,
 204                                    const char **name,
 205                                    uint32_t *type,
 206                                    DATA_BLOB *data);
 207 WERROR reg_key_get_info(TALLOC_CTX *mem_ctx,
 208                                                                  const struct registry_key *key,
 209                                                                         const char **class_name,
 210                                                                         uint32_t *num_subkeys,
 211                                                                         uint32_t *num_values,
 212                                                                         NTTIME *last_change_time);
 213 WERROR reg_key_get_subkey_by_index(TALLOC_CTX *mem_ctx,
 214                                                                                         const struct registry_key *key,
 215                                                                                         int idx,
 216                                                                                         const char **name,
 217                                                                                         const char **classname,
 218                                                                                         NTTIME *last_mod_time);
 219 WERROR reg_key_get_subkey_by_name(TALLOC_CTX *mem_ctx,
 220                                                                   const struct registry_key *key,
 221                                                                   const char *name,
 222                                                                   struct registry_key **subkey);
 223 WERROR reg_key_get_value_by_name(TALLOC_CTX *mem_ctx,
 224                                                                                   const struct registry_key *key,
 225                                                                                   const char *name,
 226                                                                                   uint32_t *type,
 227                                                                                   DATA_BLOB *data);
 228 WERROR reg_key_del(struct registry_key *parent, const char *name);
 229 WERROR reg_key_add_name(TALLOC_CTX *mem_ctx,
 230                                                                  struct registry_key *parent, const char *name,
 231                                                                  const char *classname,
 232                                                                  struct security_descriptor *desc,
 233                                                                  struct registry_key **newkey);
 234 WERROR reg_val_set(struct registry_key *key, const char *value,
 235                                                         uint32_t type, DATA_BLOB data);
 236 WERROR reg_get_sec_desc(TALLOC_CTX *ctx, const struct registry_key *key, struct security_descriptor **secdesc);
 237 WERROR reg_del_value(struct registry_key *key, const char *valname);
 238 WERROR reg_key_flush(struct registry_key *key);
 239 WERROR reg_create_key (TALLOC_CTX *mem_ctx,
 240                                                 struct registry_key *parent,
 241
 242                                                   const char *name,
 243                                                   const char *key_class,
 244                                                   struct security_descriptor *security,
 245                                                   struct registry_key **key);
 246
 247
 248
 249
 250 /* Utility functions */
 251 const char *str_regtype(int type);
 252 char *reg_val_data_string(TALLOC_CTX *mem_ctx, uint32_t type,
 253                                                                    const DATA_BLOB data);
 254 char *reg_val_description(TALLOC_CTX *mem_ctx, const char *name,
 255                                                                    uint32_t type, const DATA_BLOB data);
 256 bool reg_string_to_val(TALLOC_CTX *mem_ctx, const char *type_str, const char *data_str, uint32_t *type, DATA_BLOB *data);
 257 WERROR reg_open_key_abs(TALLOC_CTX *mem_ctx, struct registry_context *handle, const char *name, struct registry_key **result);
 258 WERROR reg_key_del_abs(struct registry_context *ctx, const char *path);
 259 WERROR reg_key_add_abs(TALLOC_CTX *mem_ctx, struct registry_context *ctx, const char *path, uint32_t access_mask, struct security_descriptor *sec_desc, struct registry_key **result);
 260 WERROR reg_load_key(struct registry_context *ctx, struct registry_key *key,
 261                                         const char *name, const char *filename);
 262
 263 WERROR reg_mount_hive(struct registry_context *rctx,
 264                                           struct hive_key *hive_key,
 265                                           uint32_t key_id,
 266                                           const char **elements);
 267
 268 struct registry_key *reg_import_hive_key(struct registry_context *ctx,
 269                                                                              struct hive_key *hive,
 270                                                                              uint32_t predef_key,
 271                                                                                  const char **elements);
 272
 273
 274 #endif /* _REGISTRY_H */