Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 298 insertions, 0 deletions

diff --git a/source4/lib/registry/interface.c b/source4/lib/registry/interface.c
new file mode 100644
index 0000000..2900c10
--- /dev/null
+++ b/source4/lib/registry/interface.c
@@ -0,0 +1,298 @@
+/*
+   Unix SMB/CIFS implementation.
+   Transparent registry backend handling
+   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/>.
+*/
+
+#include "includes.h"
+#include "../lib/util/dlinklist.h"
+#include "lib/registry/registry.h"
+#include "system/filesys.h"
+
+#undef strcasecmp
+
+/**
+ * @file
+ * @brief Main registry functions
+ */
+
+const struct reg_predefined_key reg_predefined_keys[] = {
+	{HKEY_CLASSES_ROOT,"HKEY_CLASSES_ROOT" },
+	{HKEY_CURRENT_USER,"HKEY_CURRENT_USER" },
+	{HKEY_LOCAL_MACHINE, "HKEY_LOCAL_MACHINE" },
+	{HKEY_PERFORMANCE_DATA, "HKEY_PERFORMANCE_DATA" },
+	{HKEY_USERS, "HKEY_USERS" },
+	{HKEY_CURRENT_CONFIG, "HKEY_CURRENT_CONFIG" },
+	{HKEY_DYN_DATA, "HKEY_DYN_DATA" },
+	{HKEY_PERFORMANCE_TEXT, "HKEY_PERFORMANCE_TEXT" },
+	{HKEY_PERFORMANCE_NLSTEXT, "HKEY_PERFORMANCE_NLSTEXT" },
+	{ 0, NULL }
+};
+
+/** Obtain name of specific hkey. */
+_PUBLIC_ const char *reg_get_predef_name(uint32_t hkey)
+{
+	unsigned int i;
+	for (i = 0; reg_predefined_keys[i].name; i++) {
+		if (reg_predefined_keys[i].handle == hkey)
+			return reg_predefined_keys[i].name;
+	}
+
+	return NULL;
+}
+
+/** Get predefined key by name. */
+_PUBLIC_ WERROR reg_get_predefined_key_by_name(struct registry_context *ctx,
+					       const char *name,
+					       struct registry_key **key)
+{
+	unsigned int i;
+
+	for (i = 0; reg_predefined_keys[i].name; i++) {
+		if (!strcasecmp(reg_predefined_keys[i].name, name))
+			return reg_get_predefined_key(ctx,
+						      reg_predefined_keys[i].handle,
+						      key);
+	}
+
+	DEBUG(1, ("No predefined key with name '%s'\n", name));
+
+	return WERR_FILE_NOT_FOUND;
+}
+
+/** Get predefined key by id. */
+_PUBLIC_ WERROR reg_get_predefined_key(struct registry_context *ctx,
+				       uint32_t hkey, struct registry_key **key)
+{
+	return ctx->ops->get_predefined_key(ctx, hkey, key);
+}
+
+/**
+ * Open a key
+ * First tries to use the open_key function from the backend
+ * then falls back to get_subkey_by_name and later get_subkey_by_index
+ */
+_PUBLIC_ WERROR reg_open_key(TALLOC_CTX *mem_ctx, struct registry_key *parent,
+			     const char *name, struct registry_key **result)
+{
+	if (parent == NULL) {
+		DEBUG(0, ("Invalid parent key specified for open of '%s'\n",
+			name));
+		return WERR_INVALID_PARAMETER;
+	}
+
+	if (parent->context->ops->open_key == NULL) {
+		DEBUG(0, ("Registry backend doesn't have open_key!\n"));
+		return WERR_NOT_SUPPORTED;
+	}
+
+	return parent->context->ops->open_key(mem_ctx, parent, name, result);
+}
+
+/**
+ * Get value by index
+ */
+_PUBLIC_ 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)
+{
+	if (key == NULL)
+		return WERR_INVALID_PARAMETER;
+
+	if (key->context->ops->enum_value == NULL)
+		return WERR_NOT_SUPPORTED;
+
+	return key->context->ops->enum_value(mem_ctx, key, idx, name,
+					     type, data);
+}
+
+/**
+ * Get the number of subkeys.
+ */
+_PUBLIC_ WERROR reg_key_get_info(TALLOC_CTX *mem_ctx,
+				 const struct registry_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)
+{
+	if (key == NULL)
+		return WERR_INVALID_PARAMETER;
+
+	if (key->context->ops->get_key_info == NULL)
+		return WERR_NOT_SUPPORTED;
+
+	return key->context->ops->get_key_info(mem_ctx,
+					       key, classname, num_subkeys,
+					       num_values, last_change_time,
+					       max_subkeynamelen,
+					       max_valnamelen, max_valbufsize);
+}
+
+/**
+ * Get subkey by index.
+ */
+_PUBLIC_ WERROR reg_key_get_subkey_by_index(TALLOC_CTX *mem_ctx,
+					    const struct registry_key *key,
+					    uint32_t idx, const char **name,
+					    const char **keyclass,
+					    NTTIME *last_changed_time)
+{
+	if (key == NULL)
+		return WERR_INVALID_PARAMETER;
+
+	if (key->context->ops->enum_key == NULL)
+		return WERR_NOT_SUPPORTED;
+
+	return key->context->ops->enum_key(mem_ctx, key, idx, name,
+					   keyclass, last_changed_time);
+}
+
+/**
+ * Get value by name.
+ */
+_PUBLIC_ 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)
+{
+	if (key == NULL)
+		return WERR_INVALID_PARAMETER;
+
+	if (key->context->ops->get_value == NULL)
+		return WERR_NOT_SUPPORTED;
+
+	return key->context->ops->get_value(mem_ctx, key, name, type, data);
+}
+
+/**
+ * Delete a key.
+ */
+_PUBLIC_ WERROR reg_key_del(TALLOC_CTX *mem_ctx, struct registry_key *parent,
+			    const char *name)
+{
+	if (parent == NULL)
+		return WERR_INVALID_PARAMETER;
+
+	if (parent->context->ops->delete_key == NULL)
+		return WERR_NOT_SUPPORTED;
+
+	return parent->context->ops->delete_key(mem_ctx, parent, name);
+}
+
+/**
+ * Add a key.
+ */
+_PUBLIC_ WERROR reg_key_add_name(TALLOC_CTX *mem_ctx,
+				 struct registry_key *parent,
+				 const char *path, const char *key_class,
+				 struct security_descriptor *desc,
+				 struct registry_key **newkey)
+{
+	if (parent == NULL)
+		return WERR_INVALID_PARAMETER;
+
+	if (parent->context->ops->create_key == NULL) {
+		DEBUG(1, ("Backend '%s' doesn't support method add_key\n",
+				  parent->context->ops->name));
+		return WERR_NOT_SUPPORTED;
+	}
+
+	return parent->context->ops->create_key(mem_ctx, parent, path,
+						key_class, desc, newkey);
+}
+
+/**
+ * Set a value.
+ */
+_PUBLIC_ WERROR reg_val_set(struct registry_key *key, const char *value,
+			    uint32_t type, const DATA_BLOB data)
+{
+	if (key == NULL)
+		return WERR_INVALID_PARAMETER;
+
+	/* A 'real' set function has preference */
+	if (key->context->ops->set_value == NULL) {
+		DEBUG(1, ("Backend '%s' doesn't support method set_value\n",
+				  key->context->ops->name));
+		return WERR_NOT_SUPPORTED;
+	}
+
+	return key->context->ops->set_value(key, value, type, data);
+}
+
+/**
+ * Get the security descriptor on a key.
+ */
+_PUBLIC_ WERROR reg_get_sec_desc(TALLOC_CTX *ctx,
+				 const struct registry_key *key,
+				 struct security_descriptor **secdesc)
+{
+	if (key == NULL)
+		return WERR_INVALID_PARAMETER;
+
+	/* A 'real' set function has preference */
+	if (key->context->ops->get_sec_desc == NULL)
+		return WERR_NOT_SUPPORTED;
+
+	return key->context->ops->get_sec_desc(ctx, key, secdesc);
+}
+
+/**
+ * Delete a value.
+ */
+_PUBLIC_ WERROR reg_del_value(TALLOC_CTX *mem_ctx, struct registry_key *key,
+			      const char *valname)
+{
+	if (key == NULL)
+		return WERR_INVALID_PARAMETER;
+
+	if (key->context->ops->delete_value == NULL)
+		return WERR_NOT_SUPPORTED;
+
+	return key->context->ops->delete_value(mem_ctx, key, valname);
+}
+
+/**
+ * Flush a key to disk.
+ */
+_PUBLIC_ WERROR reg_key_flush(struct registry_key *key)
+{
+	if (key == NULL)
+		return WERR_INVALID_PARAMETER;
+
+	if (key->context->ops->flush_key == NULL)
+		return WERR_NOT_SUPPORTED;
+
+	return key->context->ops->flush_key(key);
+}
+
+_PUBLIC_ WERROR reg_set_sec_desc(struct registry_key *key,
+				 const struct security_descriptor *security)
+{
+	if (key == NULL)
+		return WERR_INVALID_PARAMETER;
+
+	if (key->context->ops->set_sec_desc == NULL)
+		return WERR_NOT_SUPPORTED;
+
+	return key->context->ops->set_sec_desc(key, security);
+}