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#include "ldb_includes.h"
#include "tdb.h"
#include "ldb_module.h"
/* this private structure is used by the ltdb backend in the
ldb_context */
struct ltdb_private {
TDB_CONTEXT *tdb;
unsigned int connect_flags;
unsigned long long sequence_number;
/* the low level tdb seqnum - used to avoid loading BASEINFO when
possible */
int tdb_seqnum;
struct ltdb_cache {
struct ldb_message *indexlist;
struct ldb_message *attributes;
struct {
char *name;
int flags;
} last_attribute;
} *cache;
int in_transaction;
bool check_base;
struct ltdb_idxptr *idxptr;
bool prepared_commit;
int index_version;
};
/*
the async local context
holds also internal search state during a full db search
*/
struct ltdb_req_spy {
struct ltdb_context *ctx;
};
struct ltdb_context {
struct ldb_module *module;
struct ldb_request *req;
bool request_terminated;
struct ltdb_req_spy *spy;
/* search stuff */
const struct ldb_parse_tree *tree;
struct ldb_dn *base;
enum ldb_scope scope;
const char * const *attrs;
struct tevent_timer *timeout_event;
};
/* special record types */
#define LTDB_INDEX "@INDEX"
#define LTDB_INDEXLIST "@INDEXLIST"
#define LTDB_IDX "@IDX"
#define LTDB_IDXPTR "@IDXPTR"
#define LTDB_IDXATTR "@IDXATTR"
#define LTDB_IDXONE "@IDXONE"
#define LTDB_BASEINFO "@BASEINFO"
#define LTDB_OPTIONS "@OPTIONS"
#define LTDB_ATTRIBUTES "@ATTRIBUTES"
#define LTDB_INDEX_VERSION "@INDEX_VERSION"
/* ltdb index versions:
0 - Initial version, DN values as index values, not casefolded
1 - DN values as index values, casefolded and sorted (binary compare)
*/
/* special attribute types */
#define LTDB_SEQUENCE_NUMBER "sequenceNumber"
#define LTDB_CHECK_BASE "checkBaseOnSearch"
#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_set_casefold_index(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 ltdb_context *ctx, uint32_t *);
int ltdb_index_add(struct ldb_module *module, TALLOC_CTX *mem_ctx,
const struct ldb_message *msg);
int ltdb_index_del(struct ldb_module *module, TALLOC_CTX *mem_ctx,
const struct ldb_message *msg);
int ltdb_index_one(struct ldb_module *module, TALLOC_CTX *mem_ctx,
const struct ldb_message *msg, int add);
int ltdb_reindex(struct ldb_module *module);
int ltdb_index_transaction_start(struct ldb_module *module);
int ltdb_index_transaction_prepare_commit(struct ldb_module *module);
int ltdb_index_transaction_cancel(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);
/*
search the database for a single tdb key, returning all attributes
in a single message
return LDB_ERR_NO_SUCH_OBJECT on record-not-found
and LDB_SUCCESS on success
*/
int ltdb_search_dn1_key(struct ldb_module *module, TDB_DATA tdb_key, struct ldb_message *msg);
int ltdb_search_dn1(struct ldb_module *module, 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 ltdb_context *ctx);
/* The following definitions come from lib/ldb/ldb_tdb/ldb_tdb.c */
int ltdb_lock_read(struct ldb_module *module);
int ltdb_unlock_read(struct ldb_module *module);
struct TDB_DATA ltdb_key(TALLOC_CTX *mem_ctx, struct ldb_dn *dn);
/*
form a TDB_DATA for a record key
caller frees
This version takes the casefolded string form of the DN as an ldb_val
*/
struct TDB_DATA ltdb_key_from_casefold_dn(TALLOC_CTX *mem_ctx,
struct ldb_val dn_folded);
struct ldb_val ldb_dn_get_casefold_as_ldb_val(struct ldb_dn *dn);
struct ldb_val ldb_dn_alloc_casefold_as_ldb_val(TALLOC_CTX *mem_ctx, struct ldb_dn *dn);
int ltdb_store(struct ldb_module *module, TALLOC_CTX *mem_ctx,
const struct ldb_message *msg, int flgs);
int ltdb_delete_noindex(struct ldb_module *module, TALLOC_CTX *mem_ctx,
struct ldb_dn *dn);
int ltdb_modify_internal(struct ldb_module *module, TALLOC_CTX *mem_ctx,
const struct ldb_message *msg);
int ltdb_index_del_value(struct ldb_module *module, TALLOC_CTX *mem_ctx,
struct ldb_dn *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);
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