r24726: Add tests for getting/setting security descriptors (still failing at the...
[jelmer/samba4-debian.git] / source / lib / registry / registry.h
index 385b0e7d6f92915c250ea434ebeb9ceb9417ff63..616bbb82dcdf426b6e8d6b7fbf750b3c401e3330 100644 (file)
@@ -2,11 +2,11 @@
    Unix SMB/CIFS implementation.
    Registry interface
    Copyright (C) Gerald Carter                        2002.
-   Copyright (C) Jelmer Vernooij                                         2003-2004.
+   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 2 of the License, or
+   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,
    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, write to the Free Software
-   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #ifndef _REGISTRY_H /* _REGISTRY_H */
 #define _REGISTRY_H 
 
+struct registry_context;
+
+#include "core.h"
+#include "talloc/talloc.h"
 #include "librpc/gen_ndr/security.h"
-#include "auth/credentials/credentials.h"
+#include "lib/registry/hive.h"
 
 /* Handles for the predefined keys */
 #define HKEY_CLASSES_ROOT               0x80000000
 #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
 
 /*
 
 #define REGISTRY_INTERFACE_VERSION 1
 
+struct reg_key_operations;
+
 /* structure to store the registry handles */
 struct registry_key 
 {
-  char *name;       
-  const char *path;    
-  char *class_name; 
-  NTTIME last_mod; 
-  struct registry_hive *hive;
-  void *backend_data;
+       struct registry_context *context;
 };
 
+#include "lib/registry/patchfile.h"
+
 struct registry_value 
 {
-  char *name;
+  const char *name;
   unsigned int data_type;
   DATA_BLOB data;
 };
@@ -67,110 +79,202 @@ struct registry_value
 typedef void (*reg_key_notification_function) (void);
 typedef void (*reg_value_notification_function) (void);
 
-/* 
- * Container for function pointers to enumeration routines
- * for virtual registry view 
- *
- * Backends can provide :
- *  - just one hive (example: nt4, w95)
- *  - several hives (example: rpc).
- * 
- * Backends should always do case-insensitive compares 
- * (everything is case-insensitive but case-preserving, 
- * just like the FS)
- *
- * There is no save function as all operations are expected to 
- * be atomic.
- */ 
-
-struct hive_operations {
+struct cli_credentials;
+struct registry_context;
+
+struct registry_operations {
        const char *name;
 
-       /* Implement this one */
-       WERROR (*open_hive) (struct registry_hive *, struct registry_key **);
+       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);
 
-       /* Or this one */
-       WERROR (*open_key) (TALLOC_CTX *, const struct registry_key *, const char *name, struct registry_key **);
+       WERROR (*flush_key) (struct registry_key *key);
 
-       WERROR (*num_subkeys) (const struct registry_key *, uint32_t *count);
-       WERROR (*num_values) (const struct registry_key *, uint32_t *count);
-       WERROR (*get_subkey_by_index) (TALLOC_CTX *, const struct registry_key *, int idx, struct registry_key **);
+       WERROR (*get_predefined_key) (const struct registry_context *ctx, 
+                                                         uint32_t key_id,
+                                                         struct registry_key **key);
 
-       /* Can not contain more then one level */
-       WERROR (*get_subkey_by_name) (TALLOC_CTX *, const struct registry_key *, const char *name, struct registry_key **);
-       WERROR (*get_value_by_index) (TALLOC_CTX *, const struct registry_key *, int idx, struct registry_value **);
+       WERROR (*open_key) (TALLOC_CTX *mem_ctx,
+                                               struct registry_key *parent,
+                                               const char *path,
+                                               struct registry_key **key);
 
-       /* Can not contain more then one level */
-       WERROR (*get_value_by_name) (TALLOC_CTX *, const struct registry_key *, const char *name, struct registry_value **);
+       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);
 
-       /* Security control */
-       WERROR (*key_get_sec_desc) (TALLOC_CTX *, const struct registry_key *, struct security_descriptor **);
-       WERROR (*key_set_sec_desc) (const struct registry_key *, const struct security_descriptor *);
+       WERROR (*delete_key) (struct registry_key *key, const char *name);
 
-       /* Notification */
-       WERROR (*request_key_change_notify) (const struct registry_key *, reg_key_notification_function);
-       WERROR (*request_value_change_notify) (const struct registry_value *, reg_value_notification_function);
+       WERROR (*delete_value) (struct registry_key *key, const char *name);
 
-       /* Key management */
-       WERROR (*add_key)(TALLOC_CTX *, const struct registry_key *, const char *name, uint32_t access_mask, struct security_descriptor *, struct registry_key **);
-       WERROR (*del_key)(const struct registry_key *, const char *name);
-       WERROR (*flush_key) (const struct registry_key *);
+       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);
 
-       /* Value management */
-       WERROR (*set_value)(const struct registry_key *, const char *name, uint32_t type, const DATA_BLOB data); 
-       WERROR (*del_value)(const struct registry_key *, const char *valname);
-};
+       WERROR (*enum_value) (TALLOC_CTX *mem_ctx,
+                                                 const struct registry_key *key, uint32_t idx,
+                                                 const char **name,
+                                                 uint32_t *type,
+                                                 DATA_BLOB *data);
 
-struct registry_hive
-{
-       const struct hive_operations *functions;
-       struct registry_key *root;
-       struct auth_session_info *session_info;
-       struct cli_credentials *credentials;
-       void *backend_data;
-       const char *location;
-};
+       WERROR (*get_security) (TALLOC_CTX *mem_ctx,
+                                                       const struct registry_key *key, 
+                                                       struct security_descriptor **security);
 
-/* Handle to a full registry
- * contains zero or more hives */
-struct registry_context {
-    void *backend_data;
-       struct cli_credentials *credentials;
-       struct auth_session_info *session_info;
-       WERROR (*get_predefined_key) (struct registry_context *, uint32_t hkey, struct registry_key **);
-};
+       WERROR (*set_security) (struct registry_key *key,
+                                                       const struct security_descriptor *security);
 
-struct reg_init_function_entry {
-       const struct hive_operations *hive_functions;
-       struct reg_init_function_entry *prev, *next;
-};
+       WERROR (*load_key) (struct registry_key *key,
+                                               const char *key_name,
+                                               const char *path);
 
-struct reg_diff_value
-{
-       char *name;
-       enum { REG_DIFF_DEL_VAL, REG_DIFF_SET_VAL } changetype;
-       uint32_t type;
-       DATA_BLOB data;
-};
+       WERROR (*unload_key) (struct registry_key *key, const char *name);
 
-struct reg_diff_key
-{
-       char *name;
-       enum { REG_DIFF_CHANGE_KEY, REG_DIFF_DEL_KEY } changetype;
-       uint32_t numvalues;
-       struct reg_diff_value *values;
-};
+       WERROR (*notify_value_change) (struct registry_key *key,
+                                                                       reg_value_notification_function fn);
 
-struct reg_diff
-{
-       char *format;
-       uint32_t numkeys;
-       struct reg_diff_key *keys;
+       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 event_context;
 
-#include "lib/registry/registry_proto.h"
+/**
+ * Open the locally defined registry.
+ */
+WERROR reg_open_local (TALLOC_CTX *mem_ctx, 
+                               struct registry_context **ctx, 
+                               struct auth_session_info *session_info, 
+                               struct cli_credentials *credentials);
+
+WERROR reg_open_samba (TALLOC_CTX *mem_ctx,
+                                                               struct registry_context **ctx,
+                                                               struct auth_session_info *session_info,
+                                                               struct cli_credentials *credentials);
+
+/**
+ * Open the registry on a remote machine.
+ */
+WERROR reg_open_remote(struct registry_context **ctx, 
+                                                               struct auth_session_info *session_info, 
+                                                               struct cli_credentials *credentials, 
+                                                               const char *location, struct event_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(const 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);
+WERROR reg_key_get_subkey_by_index(TALLOC_CTX *mem_ctx, 
+                                                                                       const struct registry_key *key, 
+                                                                                       int 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(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(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);
+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_get_security(TALLOC_CTX *mem_ctx, 
+                                                                const struct registry_key *key, 
+                                                                struct security_descriptor **security);
+
+WERROR reg_set_security(struct registry_key *key, 
+                                                                struct security_descriptor *security);
+
 
 #endif /* _REGISTRY_H */