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                 bool one_level_indexes;
  21                 bool attribute_indexes;
  22
  23                 struct {
  24                         char *name;
  25                         int flags;
  26                 } last_attribute;
  27         } *cache;
  28
  29         int in_transaction;
  30
  31         bool check_base;
  32         struct ltdb_idxptr *idxptr;
  33         bool prepared_commit;
  34 };
  35
  36 /*
  37   the async local context
  38   holds also internal search state during a full db search
  39 */
  40 struct ltdb_req_spy {
  41         struct ltdb_context *ctx;
  42 };
  43
  44 struct ltdb_context {
  45         struct ldb_module *module;
  46         struct ldb_request *req;
  47
  48         bool request_terminated;
  49         struct ltdb_req_spy *spy;
  50
  51         /* search stuff */
  52         const struct ldb_parse_tree *tree;
  53         struct ldb_dn *base;
  54         enum ldb_scope scope;
  55         const char * const *attrs;
  56         struct tevent_timer *timeout_event;
  57 };
  58
  59 /* special record types */
  60 #define LTDB_INDEX      "@INDEX"
  61 #define LTDB_INDEXLIST  "@INDEXLIST"
  62 #define LTDB_IDX        "@IDX"
  63 #define LTDB_IDXVERSION "@IDXVERSION"
  64 #define LTDB_IDXATTR    "@IDXATTR"
  65 #define LTDB_IDXONE     "@IDXONE"
  66 #define LTDB_BASEINFO   "@BASEINFO"
  67 #define LTDB_OPTIONS    "@OPTIONS"
  68 #define LTDB_ATTRIBUTES "@ATTRIBUTES"
  69
  70 /* special attribute types */
  71 #define LTDB_SEQUENCE_NUMBER "sequenceNumber"
  72 #define LTDB_CHECK_BASE "checkBaseOnSearch"
  73 #define LTDB_MOD_TIMESTAMP "whenChanged"
  74 #define LTDB_OBJECTCLASS "objectClass"
  75
  76 /* The following definitions come from lib/ldb/ldb_tdb/ldb_cache.c  */
  77
  78 int ltdb_cache_reload(struct ldb_module *module);
  79 int ltdb_cache_load(struct ldb_module *module);
  80 int ltdb_increase_sequence_number(struct ldb_module *module);
  81 int ltdb_check_at_attributes_values(const struct ldb_val *value);
  82
  83 /* The following definitions come from lib/ldb/ldb_tdb/ldb_index.c  */
  84
  85 struct ldb_parse_tree;
  86
  87 int ltdb_search_indexed(struct ltdb_context *ctx, uint32_t *);
  88 int ltdb_index_add_new(struct ldb_module *module, const struct ldb_message *msg);
  89 int ltdb_index_delete(struct ldb_module *module, const struct ldb_message *msg);
  90 int ltdb_index_del_element(struct ldb_module *module, const char *dn, struct ldb_message_element *el);
  91 int ltdb_index_add_element(struct ldb_module *module, struct ldb_dn *dn,
  92                            struct ldb_message_element *el);
  93 int ltdb_index_del_value(struct ldb_module *module, const char *dn,
  94                          struct ldb_message_element *el, int v_idx);
  95 int ltdb_reindex(struct ldb_module *module);
  96 int ltdb_index_transaction_start(struct ldb_module *module);
  97 int ltdb_index_transaction_commit(struct ldb_module *module);
  98 int ltdb_index_transaction_cancel(struct ldb_module *module);
  99
 100 /* The following definitions come from lib/ldb/ldb_tdb/ldb_pack.c  */
 101
 102 int ltdb_pack_data(struct ldb_module *module,
 103                    const struct ldb_message *message,
 104                    struct TDB_DATA *data);
 105 void ltdb_unpack_data_free(struct ldb_module *module,
 106                            struct ldb_message *message);
 107 int ltdb_unpack_data(struct ldb_module *module,
 108                      const struct TDB_DATA *data,
 109                      struct ldb_message *message);
 110
 111 /* The following definitions come from lib/ldb/ldb_tdb/ldb_search.c  */
 112
 113 int ltdb_has_wildcard(struct ldb_module *module, const char *attr_name,
 114                       const struct ldb_val *val);
 115 void ltdb_search_dn1_free(struct ldb_module *module, struct ldb_message *msg);
 116 int ltdb_search_dn1(struct ldb_module *module, struct ldb_dn *dn, struct ldb_message *msg);
 117 int ltdb_add_attr_results(struct ldb_module *module,
 118                           TALLOC_CTX *mem_ctx,
 119                           struct ldb_message *msg,
 120                           const char * const attrs[],
 121                           unsigned int *count,
 122                           struct ldb_message ***res);
 123 int ltdb_filter_attrs(struct ldb_message *msg, const char * const *attrs);
 124 int ltdb_search(struct ltdb_context *ctx);
 125
 126 /* The following definitions come from lib/ldb/ldb_tdb/ldb_tdb.c  */
 127 int ltdb_lock_read(struct ldb_module *module);
 128 int ltdb_unlock_read(struct ldb_module *module);
 129 struct TDB_DATA ltdb_key(struct ldb_module *module, struct ldb_dn *dn);
 130 int ltdb_store(struct ldb_module *module, const struct ldb_message *msg, int flgs);
 131 int ltdb_modify_internal(struct ldb_module *module, const struct ldb_message *msg);
 132 int ltdb_delete_noindex(struct ldb_module *module, struct ldb_dn *dn);
 133 int ltdb_err_map(enum TDB_ERROR tdb_code);
 134
 135 struct tdb_context *ltdb_wrap_open(TALLOC_CTX *mem_ctx,
 136                                    const char *path, int hash_size, int tdb_flags,
 137                                    int open_flags, mode_t mode,
 138                                    struct ldb_context *ldb);