source4/lib/ldb/ldb_tdb/ldb_tdb.h

   1 #include "ldb_includes.h"
   2 #include "tdb.h"
   3 #include "ldb_module.h"
   4
   5 /* this private structure is used by the ltdb backend in the
   6    ldb_context */
   7 struct ltdb_private {
   8         TDB_CONTEXT *tdb;
   9         unsigned int connect_flags;
  10
  11         unsigned long long sequence_number;
  12
  13         /* the low level tdb seqnum - used to avoid loading BASEINFO when
  14            possible */
  15         int tdb_seqnum;
  16
  17         struct ltdb_cache {
  18                 struct ldb_message *indexlist;
  19                 struct ldb_message *attributes;
  20
  21                 struct {
  22                         char *name;
  23                         int flags;
  24                 } last_attribute;
  25         } *cache;
  26
  27         int in_transaction;
  28
  29         bool check_base;
  30         struct ltdb_idxptr *idxptr;
  31         bool prepared_commit;
  32 };
  33
  34 /*
  35   the async local context
  36   holds also internal search state during a full db search
  37 */
  38 struct ltdb_req_spy {
  39         struct ltdb_context *ctx;
  40 };
  41
  42 struct ltdb_context {
  43         struct ldb_module *module;
  44         struct ldb_request *req;
  45
  46         bool request_terminated;
  47         struct ltdb_req_spy *spy;
  48
  49         /* search stuff */
  50         const struct ldb_parse_tree *tree;
  51         struct ldb_dn *base;
  52         enum ldb_scope scope;
  53         const char * const *attrs;
  54         struct tevent_timer *timeout_event;
  55 };
  56
  57 /* special record types */
  58 #define LTDB_INDEX      "@INDEX"
  59 #define LTDB_INDEXLIST  "@INDEXLIST"
  60 #define LTDB_IDX        "@IDX"
  61 #define LTDB_IDXPTR     "@IDXPTR"
  62 #define LTDB_IDXATTR    "@IDXATTR"
  63 #define LTDB_IDXONE     "@IDXONE"
  64 #define LTDB_BASEINFO   "@BASEINFO"
  65 #define LTDB_OPTIONS    "@OPTIONS"
  66 #define LTDB_ATTRIBUTES "@ATTRIBUTES"
  67
  68 /* special attribute types */
  69 #define LTDB_SEQUENCE_NUMBER "sequenceNumber"
  70 #define LTDB_CHECK_BASE "checkBaseOnSearch"
  71 #define LTDB_MOD_TIMESTAMP "whenChanged"
  72 #define LTDB_OBJECTCLASS "objectClass"
  73
  74 /* The following definitions come from lib/ldb/ldb_tdb/ldb_cache.c  */
  75
  76 int ltdb_cache_reload(struct ldb_module *module);
  77 int ltdb_cache_load(struct ldb_module *module);
  78 int ltdb_increase_sequence_number(struct ldb_module *module);
  79 int ltdb_check_at_attributes_values(const struct ldb_val *value);
  80
  81 /* The following definitions come from lib/ldb/ldb_tdb/ldb_index.c  */
  82
  83 struct ldb_parse_tree;
  84
  85 int ltdb_search_indexed(struct ltdb_context *ctx, uint32_t *);
  86 int ltdb_index_add(struct ldb_module *module, const struct ldb_message *msg);
  87 int ltdb_index_del(struct ldb_module *module, const struct ldb_message *msg);
  88 int ltdb_index_one(struct ldb_module *module, const struct ldb_message *msg, int add);
  89 int ltdb_reindex(struct ldb_module *module);
  90 int ltdb_index_transaction_start(struct ldb_module *module);
  91 int ltdb_index_transaction_commit(struct ldb_module *module);
  92 int ltdb_index_transaction_cancel(struct ldb_module *module);
  93
  94 /* The following definitions come from lib/ldb/ldb_tdb/ldb_pack.c  */
  95
  96 int ltdb_pack_data(struct ldb_module *module,
  97                    const struct ldb_message *message,
  98                    struct TDB_DATA *data);
  99 void ltdb_unpack_data_free(struct ldb_module *module,
 100                            struct ldb_message *message);
 101 int ltdb_unpack_data(struct ldb_module *module,
 102                      const struct TDB_DATA *data,
 103                      struct ldb_message *message);
 104
 105 /* The following definitions come from lib/ldb/ldb_tdb/ldb_search.c  */
 106
 107 int ltdb_has_wildcard(struct ldb_module *module, const char *attr_name,
 108                       const struct ldb_val *val);
 109 void ltdb_search_dn1_free(struct ldb_module *module, struct ldb_message *msg);
 110 int ltdb_search_dn1(struct ldb_module *module, struct ldb_dn *dn, struct ldb_message *msg);
 111 int ltdb_add_attr_results(struct ldb_module *module,
 112                           TALLOC_CTX *mem_ctx,
 113                           struct ldb_message *msg,
 114                           const char * const attrs[],
 115                           unsigned int *count,
 116                           struct ldb_message ***res);
 117 int ltdb_filter_attrs(struct ldb_message *msg, const char * const *attrs);
 118 int ltdb_search(struct ltdb_context *ctx);
 119
 120 /* The following definitions come from lib/ldb/ldb_tdb/ldb_tdb.c  */
 121 int ltdb_lock_read(struct ldb_module *module);
 122 int ltdb_unlock_read(struct ldb_module *module);
 123 struct TDB_DATA ltdb_key(struct ldb_module *module, struct ldb_dn *dn);
 124 int ltdb_store(struct ldb_module *module, const struct ldb_message *msg, int flgs);
 125 int ltdb_delete_noindex(struct ldb_module *module, struct ldb_dn *dn);
 126 int ltdb_modify_internal(struct ldb_module *module, const struct ldb_message *msg);
 127
 128 int ltdb_index_del_value(struct ldb_module *module, const char *dn,
 129                          struct ldb_message_element *el, int v_idx);
 130
 131 struct tdb_context *ltdb_wrap_open(TALLOC_CTX *mem_ctx,
 132                                    const char *path, int hash_size, int tdb_flags,
 133                                    int open_flags, mode_t mode,
 134                                    struct ldb_context *ldb);