r9786: Move ldb_map into ldb/modules/

Move samba3sam to dsdb/
(This used to be commit eb9d615bcd49328131613f64745760a90553b7f2)

1 files changed, 108 insertions, 0 deletions

diff --git a/source4/lib/ldb/modules/ldb_map.h b/source4/lib/ldb/modules/ldb_map.h
new file mode 100644
index 0000000000..02fec649c6
--- /dev/null
+++ b/source4/lib/ldb/modules/ldb_map.h
@@ -0,0 +1,108 @@
+/* 
+   ldb database library - map backend
+
+   Copyright (C) Jelmer Vernooij 2005
+
+     ** NOTE! The following LGPL license applies to the ldb
+     ** library. This does NOT imply that all of Samba is released
+     ** under the LGPL
+   
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+#ifndef __LDB_MAP_H__
+#define __LDB_MAP_H__
+
+/* ldb_map is a skeleton LDB module that can be used for any other modules
+ * that need to map attributes.
+ *
+ * The term 'remote' in this header refers to the connection where the 
+ * original schema is used on while 'local' means the local connection 
+ * that any upper layers will use.
+ *
+ * All local attributes will have to have a definition. Not all remote 
+ * attributes need a definition as LDB is a lot less stricter then LDAP 
+ * (in other words, sending unknown attributes to an LDAP server hurts us, 
+ * returning too much attributes in ldb_search() doesn't)
+ */
+
+struct ldb_map_context;
+
+struct ldb_map_attribute 
+{
+	const char *local_name; /* local name */
+
+	enum ldb_map_attr_type { 
+		MAP_IGNORE, /* Ignore this local attribute. Doesn't exist remotely.  */
+		MAP_KEEP,   /* Keep as is. Same name locally and remotely. */
+		MAP_RENAME, /* Simply rename the attribute. Name changes, data is the same */
+		MAP_CONVERT, /* Rename + convert data */
+		MAP_GENERATE /* Use generate function for generating new name/data. 
+						Used for generating attributes based on 
+						multiple remote attributes. */
+	} type;
+	
+	/* if set, will be called for expressions that contain this attribute */
+	struct ldb_parse_tree *(*convert_operator) (struct ldb_map_context *, TALLOC_CTX *ctx, const struct ldb_parse_tree *);	
+
+	union { 
+		struct {
+			const char *remote_name;
+		} rename;
+		
+		struct {
+			const char *remote_name;
+			struct ldb_val (*convert_local) (struct ldb_map_context *, TALLOC_CTX *, const struct ldb_val *);
+			struct ldb_val (*convert_remote) (struct ldb_map_context *, TALLOC_CTX *, const struct ldb_val *);
+		} convert;
+	
+		struct {
+			/* Generate the local attribute from remote message */
+			struct ldb_message_element *(*generate_local) (
+					struct ldb_map_context *, 
+					TALLOC_CTX *ctx, 
+					const char *attr,
+					const struct ldb_message *remote);
+
+			/* Update remote message with information from local message */
+			void (*generate_remote) (
+					struct ldb_map_context *, 
+					const char *local_attr,
+					const struct ldb_message *local, 
+					struct ldb_message *remote);
+
+			/* Name(s) for this attribute on the remote server. This is an array since 
+			 * one local attribute's data can be split up into several attributes 
+			 * remotely */
+#define LDB_MAP_MAX_REMOTE_NAMES 10
+			const char *remote_names[LDB_MAP_MAX_REMOTE_NAMES];
+		} generate;
+	} u;
+};
+
+struct ldb_map_objectclass 
+{
+	const char *local_name;
+	const char *remote_name;
+};
+
+struct ldb_map_context
+{
+	struct ldb_map_attribute *attribute_maps;
+	const struct ldb_map_objectclass *objectclass_maps;
+	struct ldb_context *mapped_ldb;
+};
+
+#endif /* __LDB_MAP_H__ */