r18866: Jeremy and Volker have given the go-ahead on the group mapping ldb

code. Yay!

This first commit copies lib/ldb/ from Samba4. A huge congratulations
should go to Simo on this - he has put an enormous amount of work into
ldb, and it's great to see it go into the Samba3 tree.
(This used to be commit bbedf2e34315f5c420a3a05dfe22b1d5cf79f042)

1 files changed, 127 insertions, 0 deletions

diff --git a/source3/lib/ldb/ldb_tdb/ldb_tdb.h b/source3/lib/ldb/ldb_tdb/ldb_tdb.h
new file mode 100644
index 0000000000..670d3b6801
--- /dev/null
+++ b/source3/lib/ldb/ldb_tdb/ldb_tdb.h
@@ -0,0 +1,127 @@
+
+#ifdef _SAMBA_BUILD_
+#include "system/filesys.h"
+#endif
+
+#if (_SAMBA_BUILD_ >= 4)
+#include "lib/tdb/include/tdb.h"
+#elif defined(_SAMBA_BUILD_)
+#include "tdb/include/tdb.h"
+#else
+#include "tdb.h"
+#endif
+
+/* this private structure is used by the ltdb backend in the
+   ldb_context */
+struct ltdb_private {
+	TDB_CONTEXT *tdb;
+	unsigned int connect_flags;
+	
+	/* a double is used for portability and ease of string
+	   handling. It has plenty of digits of precision */
+	unsigned long long sequence_number;
+
+	struct ltdb_cache {
+		struct ldb_message *baseinfo;
+		struct ldb_message *indexlist;
+		struct ldb_message *attributes;
+		struct ldb_message *subclasses;
+
+		struct {
+			char *name;
+			int flags;
+		} last_attribute;
+	} *cache;
+};
+
+/*
+  the async local context
+  holds also internal search state during a full db search
+*/
+struct ltdb_context {
+	struct ldb_module *module;
+
+	/* search stuff */
+	const struct ldb_parse_tree *tree;
+	const struct ldb_dn *base;
+	enum ldb_scope scope;
+	const char * const *attrs;
+
+	/* async stuff */
+	void *context;
+	int (*callback)(struct ldb_context *, void *, struct ldb_reply *);
+};
+
+/* special record types */
+#define LTDB_INDEX      "@INDEX"
+#define LTDB_INDEXLIST  "@INDEXLIST"
+#define LTDB_IDX        "@IDX"
+#define LTDB_IDXATTR    "@IDXATTR"
+#define LTDB_BASEINFO   "@BASEINFO"
+#define LTDB_ATTRIBUTES "@ATTRIBUTES"
+#define LTDB_SUBCLASSES "@SUBCLASSES"
+
+/* special attribute types */
+#define LTDB_SEQUENCE_NUMBER "sequenceNumber"
+#define LTDB_MOD_TIMESTAMP "whenChanged"
+#define LTDB_OBJECTCLASS "objectClass"
+
+/* The following definitions come from lib/ldb/ldb_tdb/ldb_cache.c  */
+
+int ltdb_cache_reload(struct ldb_module *module);
+int ltdb_cache_load(struct ldb_module *module);
+int ltdb_increase_sequence_number(struct ldb_module *module);
+int ltdb_check_at_attributes_values(const struct ldb_val *value);
+
+/* The following definitions come from lib/ldb/ldb_tdb/ldb_index.c  */
+
+struct ldb_parse_tree;
+
+int ltdb_search_indexed(struct ldb_handle *handle);
+int ltdb_index_add(struct ldb_module *module, const struct ldb_message *msg);
+int ltdb_index_del(struct ldb_module *module, const struct ldb_message *msg);
+int ltdb_reindex(struct ldb_module *module);
+
+/* The following definitions come from lib/ldb/ldb_tdb/ldb_pack.c  */
+
+int ltdb_pack_data(struct ldb_module *module,
+		   const struct ldb_message *message,
+		   struct TDB_DATA *data);
+void ltdb_unpack_data_free(struct ldb_module *module,
+			   struct ldb_message *message);
+int ltdb_unpack_data(struct ldb_module *module,
+		     const struct TDB_DATA *data,
+		     struct ldb_message *message);
+
+/* The following definitions come from lib/ldb/ldb_tdb/ldb_search.c  */
+
+int ltdb_has_wildcard(struct ldb_module *module, const char *attr_name, 
+		      const struct ldb_val *val);
+void ltdb_search_dn1_free(struct ldb_module *module, struct ldb_message *msg);
+int ltdb_search_dn1(struct ldb_module *module, const struct ldb_dn *dn, struct ldb_message *msg);
+int ltdb_add_attr_results(struct ldb_module *module,
+ 			  TALLOC_CTX *mem_ctx, 
+			  struct ldb_message *msg,
+			  const char * const attrs[], 
+			  unsigned int *count, 
+			  struct ldb_message ***res);
+int ltdb_filter_attrs(struct ldb_message *msg, const char * const *attrs);
+int ltdb_search(struct ldb_module *module, struct ldb_request *req);
+
+/* The following definitions come from lib/ldb/ldb_tdb/ldb_tdb.c  */
+struct ldb_handle *init_ltdb_handle(struct ltdb_private *ltdb, struct ldb_module *module,
+					  void *context,
+					  int (*callback)(struct ldb_context *, void *, struct ldb_reply *));
+struct TDB_DATA ltdb_key(struct ldb_module *module, const struct ldb_dn *dn);
+int ltdb_store(struct ldb_module *module, const struct ldb_message *msg, int flgs);
+int ltdb_delete_noindex(struct ldb_module *module, const struct ldb_dn *dn);
+int ltdb_modify_internal(struct ldb_module *module, const struct ldb_message *msg);
+
+int ltdb_index_del_value(struct ldb_module *module, const char *dn, 
+			 struct ldb_message_element *el, int v_idx);
+
+struct tdb_context *ltdb_wrap_open(TALLOC_CTX *mem_ctx,
+				   const char *path, int hash_size, int tdb_flags,
+				   int open_flags, mode_t mode,
+				   struct ldb_context *ldb);
+