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Diffstat (limited to 'source4/lib/registry/registry.h')
| -rw-r--r-- | source4/lib/registry/registry.h | 531 |
1 files changed, 531 insertions, 0 deletions
diff --git a/source4/lib/registry/registry.h b/source4/lib/registry/registry.h new file mode 100644 index 0000000..84173cb --- /dev/null +++ b/source4/lib/registry/registry.h @@ -0,0 +1,531 @@ +/* + Unix SMB/CIFS implementation. + Registry interface + Copyright (C) Gerald Carter 2002. + Copyright (C) Jelmer Vernooij 2003-2007. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#ifndef _REGISTRY_H /* _REGISTRY_H */ +#define _REGISTRY_H + +struct registry_context; +struct loadparm_context; + +#include <talloc.h> +#include "libcli/util/werror.h" +#include "librpc/gen_ndr/security.h" +#include "libcli/util/ntstatus.h" +#include "../lib/util/time.h" +#include "../lib/util/data_blob.h" + +/** + * The hive API. This API is generally used for + * reading a specific file that contains just one hive. + * + * Good examples are .DAT (NTUSER.DAT) files. + * + * This API does not have any notification support (that + * should be provided by the registry implementation), nor + * does it understand what predefined keys are. + */ + +struct hive_key { + const struct hive_operations *ops; +}; + +struct hive_operations { + const char *name; + + /** + * Open a specific subkey + */ + WERROR (*enum_key) (TALLOC_CTX *mem_ctx, + const struct hive_key *key, uint32_t idx, + const char **name, + const char **classname, + NTTIME *last_mod_time); + + /** + * Open a subkey by name + */ + WERROR (*get_key_by_name) (TALLOC_CTX *mem_ctx, + const struct hive_key *key, const char *name, + struct hive_key **subkey); + + /** + * Add a new key. + */ + WERROR (*add_key) (TALLOC_CTX *ctx, + const struct hive_key *parent_key, const char *path, + const char *classname, + struct security_descriptor *desc, + struct hive_key **key); + /** + * Remove an existing key. + */ + WERROR (*del_key) (TALLOC_CTX *mem_ctx, + const struct hive_key *key, const char *name); + + /** + * Force write of a key to disk. + */ + WERROR (*flush_key) (struct hive_key *key); + + /** + * Retrieve a registry value with a specific index. + */ + WERROR (*enum_value) (TALLOC_CTX *mem_ctx, + struct hive_key *key, uint32_t idx, + const char **name, uint32_t *type, + DATA_BLOB *data); + + /** + * Retrieve a registry value with the specified name + */ + WERROR (*get_value_by_name) (TALLOC_CTX *mem_ctx, + struct hive_key *key, const char *name, + uint32_t *type, DATA_BLOB *data); + + /** + * Set a value on the specified registry key. + */ + WERROR (*set_value) (struct hive_key *key, const char *name, + uint32_t type, const DATA_BLOB data); + + /** + * Remove a value. + */ + WERROR (*delete_value) (TALLOC_CTX *mem_ctx, + struct hive_key *key, const char *name); + + /* Security Descriptors */ + + /** + * Change the security descriptor on a registry key. + * + * This should return WERR_NOT_SUPPORTED if the underlying + * format does not have a mechanism for storing + * security descriptors. + */ + WERROR (*set_sec_desc) (struct hive_key *key, + const struct security_descriptor *desc); + + /** + * Retrieve the security descriptor on a registry key. + * + * This should return WERR_NOT_SUPPORTED if the underlying + * format does not have a mechanism for storing + * security descriptors. + */ + WERROR (*get_sec_desc) (TALLOC_CTX *ctx, + const struct hive_key *key, + struct security_descriptor **desc); + + /** + * Retrieve general information about a key. + */ + WERROR (*get_key_info) (TALLOC_CTX *mem_ctx, + const struct hive_key *key, + const char **classname, + uint32_t *num_subkeys, + uint32_t *num_values, + NTTIME *last_change_time, + uint32_t *max_subkeynamelen, + uint32_t *max_valnamelen, + uint32_t *max_valbufsize); +}; + +struct cli_credentials; +struct auth_session_info; +struct tevent_context; + +WERROR reg_open_hive(TALLOC_CTX *parent_ctx, const char *location, + struct auth_session_info *session_info, + struct cli_credentials *credentials, + struct tevent_context *ev_ctx, + struct loadparm_context *lp_ctx, + struct hive_key **root); +WERROR hive_key_get_info(TALLOC_CTX *mem_ctx, const struct hive_key *key, + const char **classname, uint32_t *num_subkeys, + uint32_t *num_values, NTTIME *last_change_time, + uint32_t *max_subkeynamelen, + uint32_t *max_valnamelen, uint32_t *max_valbufsize); +WERROR hive_key_add_name(TALLOC_CTX *ctx, const struct hive_key *parent_key, + const char *name, const char *classname, + struct security_descriptor *desc, + struct hive_key **key); +WERROR hive_key_del(TALLOC_CTX *mem_ctx, + const struct hive_key *key, const char *name); +WERROR hive_get_key_by_name(TALLOC_CTX *mem_ctx, + const struct hive_key *key, const char *name, + struct hive_key **subkey); +WERROR hive_enum_key(TALLOC_CTX *mem_ctx, + const struct hive_key *key, uint32_t idx, + const char **name, + const char **classname, + NTTIME *last_mod_time); + +WERROR hive_key_set_value(struct hive_key *key, const char *name, + uint32_t type, const DATA_BLOB data); + +WERROR hive_get_value(TALLOC_CTX *mem_ctx, + struct hive_key *key, const char *name, + uint32_t *type, DATA_BLOB *data); +WERROR hive_get_value_by_index(TALLOC_CTX *mem_ctx, + struct hive_key *key, uint32_t idx, + const char **name, + uint32_t *type, DATA_BLOB *data); +WERROR hive_get_sec_desc(TALLOC_CTX *mem_ctx, + struct hive_key *key, + struct security_descriptor **security); + +WERROR hive_set_sec_desc(struct hive_key *key, + const struct security_descriptor *security); + +WERROR hive_key_del_value(TALLOC_CTX *mem_ctx, + struct hive_key *key, const char *name); + +WERROR hive_key_flush(struct hive_key *key); + + +/* Individual backends */ +WERROR reg_open_directory(TALLOC_CTX *parent_ctx, + const char *location, struct hive_key **key); +WERROR reg_open_regf_file(TALLOC_CTX *parent_ctx, + const char *location, struct hive_key **key); +WERROR reg_open_ldb_file(TALLOC_CTX *parent_ctx, const char *location, + struct auth_session_info *session_info, + struct cli_credentials *credentials, + struct tevent_context *ev_ctx, + struct loadparm_context *lp_ctx, + struct hive_key **k); + + +WERROR reg_create_directory(TALLOC_CTX *parent_ctx, + const char *location, struct hive_key **key); +WERROR reg_create_regf_file(TALLOC_CTX *parent_ctx, + const char *location, + int major_version, + struct hive_key **key); + + + +/* Handles for the predefined keys */ +#define HKEY_CLASSES_ROOT 0x80000000 +#define HKEY_CURRENT_USER 0x80000001 +#define HKEY_LOCAL_MACHINE 0x80000002 +#define HKEY_USERS 0x80000003 +#define HKEY_PERFORMANCE_DATA 0x80000004 +#define HKEY_CURRENT_CONFIG 0x80000005 +#define HKEY_DYN_DATA 0x80000006 +#define HKEY_PERFORMANCE_TEXT 0x80000050 +#define HKEY_PERFORMANCE_NLSTEXT 0x80000060 + +#define HKEY_FIRST HKEY_CLASSES_ROOT +#define HKEY_LAST HKEY_PERFORMANCE_NLSTEXT + +struct reg_predefined_key { + uint32_t handle; + const char *name; +}; + +extern const struct reg_predefined_key reg_predefined_keys[]; + +#define REG_DELETE -1 + +/* + * The general idea here is that every backend provides a 'hive'. Combining + * various hives gives you a complete registry like windows has + */ + +#define REGISTRY_INTERFACE_VERSION 1 + +struct reg_key_operations; + +/* structure to store the registry handles */ +struct registry_key +{ + struct registry_context *context; +}; + +struct registry_value +{ + const char *name; + unsigned int data_type; + DATA_BLOB data; +}; + +/* FIXME */ +typedef void (*reg_key_notification_function) (void); +typedef void (*reg_value_notification_function) (void); + +struct cli_credentials; + +struct registry_operations { + const char *name; + + WERROR (*get_key_info) (TALLOC_CTX *mem_ctx, + const struct registry_key *key, + const char **classname, + uint32_t *numsubkeys, + uint32_t *numvalues, + NTTIME *last_change_time, + uint32_t *max_subkeynamelen, + uint32_t *max_valnamelen, + uint32_t *max_valbufsize); + + WERROR (*flush_key) (struct registry_key *key); + + WERROR (*get_predefined_key) (struct registry_context *ctx, + uint32_t key_id, + struct registry_key **key); + + WERROR (*open_key) (TALLOC_CTX *mem_ctx, + struct registry_key *parent, + const char *path, + struct registry_key **key); + + WERROR (*create_key) (TALLOC_CTX *mem_ctx, + struct registry_key *parent, + const char *name, + const char *key_class, + struct security_descriptor *security, + struct registry_key **key); + + WERROR (*delete_key) (TALLOC_CTX *mem_ctx, + struct registry_key *key, const char *name); + + WERROR (*delete_value) (TALLOC_CTX *mem_ctx, + struct registry_key *key, const char *name); + + WERROR (*enum_key) (TALLOC_CTX *mem_ctx, + const struct registry_key *key, uint32_t idx, + const char **name, + const char **keyclass, + NTTIME *last_changed_time); + + WERROR (*enum_value) (TALLOC_CTX *mem_ctx, + const struct registry_key *key, uint32_t idx, + const char **name, + uint32_t *type, + DATA_BLOB *data); + + WERROR (*get_sec_desc) (TALLOC_CTX *mem_ctx, + const struct registry_key *key, + struct security_descriptor **security); + + WERROR (*set_sec_desc) (struct registry_key *key, + const struct security_descriptor *security); + + WERROR (*load_key) (struct registry_key *key, + const char *key_name, + const char *path); + + WERROR (*unload_key) (struct registry_key *key, const char *name); + + WERROR (*notify_value_change) (struct registry_key *key, + reg_value_notification_function fn); + + WERROR (*get_value) (TALLOC_CTX *mem_ctx, + const struct registry_key *key, + const char *name, + uint32_t *type, + DATA_BLOB *data); + + WERROR (*set_value) (struct registry_key *key, + const char *name, + uint32_t type, + const DATA_BLOB data); +}; + +/** + * Handle to a full registry + * contains zero or more hives + */ +struct registry_context { + const struct registry_operations *ops; +}; + +struct auth_session_info; +struct tevent_context; +struct loadparm_context; + +/** + * Open the locally defined registry. + */ +WERROR reg_open_local(TALLOC_CTX *mem_ctx, + struct registry_context **ctx); + +WERROR reg_open_samba(TALLOC_CTX *mem_ctx, + struct registry_context **ctx, + struct tevent_context *ev_ctx, + struct loadparm_context *lp_ctx, + struct auth_session_info *session_info, + struct cli_credentials *credentials); + +/** + * Open the registry on a remote machine. + */ +WERROR reg_open_remote(TALLOC_CTX *mem_ctx, + struct registry_context **ctx, + struct cli_credentials *credentials, + struct loadparm_context *lp_ctx, + const char *location, struct tevent_context *ev); + +WERROR reg_open_wine(struct registry_context **ctx, const char *path); + +const char *reg_get_predef_name(uint32_t hkey); +WERROR reg_get_predefined_key_by_name(struct registry_context *ctx, + const char *name, + struct registry_key **key); +WERROR reg_get_predefined_key(struct registry_context *ctx, + uint32_t hkey, + struct registry_key **key); + +WERROR reg_open_key(TALLOC_CTX *mem_ctx, struct registry_key *parent, + const char *name, struct registry_key **result); + +WERROR reg_key_get_value_by_index(TALLOC_CTX *mem_ctx, + const struct registry_key *key, uint32_t idx, + const char **name, + uint32_t *type, + DATA_BLOB *data); +WERROR reg_key_get_info(TALLOC_CTX *mem_ctx, + const struct registry_key *key, + const char **class_name, + uint32_t *num_subkeys, + uint32_t *num_values, + NTTIME *last_change_time, + uint32_t *max_subkeynamelen, + uint32_t *max_valnamelen, + uint32_t *max_valbufsize); +WERROR reg_key_get_subkey_by_index(TALLOC_CTX *mem_ctx, + const struct registry_key *key, + uint32_t idx, + const char **name, + const char **classname, + NTTIME *last_mod_time); +WERROR reg_key_get_subkey_by_name(TALLOC_CTX *mem_ctx, + const struct registry_key *key, + const char *name, + struct registry_key **subkey); +WERROR reg_key_get_value_by_name(TALLOC_CTX *mem_ctx, + const struct registry_key *key, + const char *name, + uint32_t *type, + DATA_BLOB *data); +WERROR reg_key_del(TALLOC_CTX *mem_ctx, + struct registry_key *parent, const char *name); +WERROR reg_key_add_name(TALLOC_CTX *mem_ctx, + struct registry_key *parent, const char *name, + const char *classname, + struct security_descriptor *desc, + struct registry_key **newkey); +WERROR reg_val_set(struct registry_key *key, const char *value, + uint32_t type, DATA_BLOB data); +WERROR reg_get_sec_desc(TALLOC_CTX *ctx, const struct registry_key *key, + struct security_descriptor **secdesc); +WERROR reg_del_value(TALLOC_CTX *mem_ctx, + struct registry_key *key, const char *valname); +WERROR reg_key_flush(struct registry_key *key); +WERROR reg_create_key(TALLOC_CTX *mem_ctx, + struct registry_key *parent, + const char *name, + const char *key_class, + struct security_descriptor *security, + struct registry_key **key); + +/* Utility functions */ +const char *str_regtype(int type); +bool push_reg_sz(TALLOC_CTX *mem_ctx, DATA_BLOB *blob, const char *s); +bool push_reg_multi_sz(TALLOC_CTX *mem_ctx, DATA_BLOB *blob, const char **a); +bool pull_reg_sz(TALLOC_CTX *mem_ctx, const DATA_BLOB *blob, const char **s); +bool pull_reg_multi_sz(TALLOC_CTX *mem_ctx, const DATA_BLOB *blob, const char ***a); +int regtype_by_string(const char *str); +char *reg_val_data_string(TALLOC_CTX *mem_ctx, uint32_t type, const DATA_BLOB data); +char *reg_val_description(TALLOC_CTX *mem_ctx, const char *name, + uint32_t type, const DATA_BLOB data); +bool reg_string_to_val(TALLOC_CTX *mem_ctx, const char *type_str, + const char *data_str, uint32_t *type, DATA_BLOB *data); +WERROR reg_open_key_abs(TALLOC_CTX *mem_ctx, struct registry_context *handle, + const char *name, struct registry_key **result); +WERROR reg_key_del_abs(struct registry_context *ctx, const char *path); +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); +WERROR reg_load_key(struct registry_context *ctx, struct registry_key *key, + const char *name, const char *filename); + +WERROR reg_mount_hive(struct registry_context *rctx, + struct hive_key *hive_key, + uint32_t key_id, + const char **elements); + +struct registry_key *reg_import_hive_key(struct registry_context *ctx, + struct hive_key *hive, + uint32_t predef_key, + const char **elements); +WERROR reg_set_sec_desc(struct registry_key *key, + const struct security_descriptor *security); + +struct reg_diff_callbacks { + WERROR (*add_key) (void *callback_data, const char *key_name); + WERROR (*set_value) (void *callback_data, const char *key_name, + const char *value_name, uint32_t value_type, + DATA_BLOB value); + WERROR (*del_value) (void *callback_data, const char *key_name, + const char *value_name); + WERROR (*del_key) (void *callback_data, const char *key_name); + WERROR (*del_all_values) (void *callback_data, const char *key_name); + WERROR (*done) (void *callback_data); +}; + +WERROR reg_diff_apply(struct registry_context *ctx, + const char *filename); + +WERROR reg_generate_diff(struct registry_context *ctx1, + struct registry_context *ctx2, + const struct reg_diff_callbacks *callbacks, + void *callback_data); +WERROR reg_dotreg_diff_save(TALLOC_CTX *ctx, const char *filename, + struct reg_diff_callbacks **callbacks, + void **callback_data); +WERROR reg_preg_diff_save(TALLOC_CTX *ctx, const char *filename, + struct reg_diff_callbacks **callbacks, + void **callback_data); +WERROR reg_generate_diff_key(struct registry_key *oldkey, + struct registry_key *newkey, + const char *path, + const struct reg_diff_callbacks *callbacks, + void *callback_data); +WERROR reg_diff_load(const char *filename, + const struct reg_diff_callbacks *callbacks, + void *callback_data); + +WERROR reg_dotreg_diff_load(int fd, + const struct reg_diff_callbacks *callbacks, + void *callback_data); + +WERROR reg_preg_diff_load(int fd, + const struct reg_diff_callbacks *callbacks, + void *callback_data); + +WERROR local_get_predefined_key(struct registry_context *ctx, + uint32_t key_id, struct registry_key **key); + + +#endif /* _REGISTRY_H */ |