source4/lib/ldb/ldb_tdb/ldb_tdb.h

   1 #if (_SAMBA_BUILD_ == 3)
   2 #include "tdb/include/tdb.h"
   3 #else
   4 #include "replace.h"
   5 #include "system/wait.h"
   6 #include "tdb.h"
   7 #endif
   8
   9 #include "ldb_module.h"
  10
  11 /* this private structure is used by the ltdb backend in the
  12    ldb_context */
  13 struct ltdb_private {
  14         TDB_CONTEXT *tdb;
  15         unsigned int connect_flags;
  16
  17         /* a double is used for portability and ease of string
  18            handling. It has plenty of digits of precision */
  19         unsigned long long sequence_number;
  20
  21         /* the low level tdb seqnum - used to avoid loading BASEINFO when
  22            possible */
  23         int tdb_seqnum;
  24
  25         struct ltdb_cache {
  26                 struct ldb_message *indexlist;
  27                 struct ldb_message *attributes;
  28
  29                 struct {
  30                         char *name;
  31                         int flags;
  32                 } last_attribute;
  33         } *cache;
  34
  35         int in_transaction;
  36
  37         bool check_base;
  38         struct ltdb_idxptr *idxptr;
  39 };
  40
  41 /*
  42   the async local context
  43   holds also internal search state during a full db search
  44 */
  45 struct ltdb_context {
  46         struct ldb_module *module;
  47         struct ldb_request *req;
  48
  49         bool callback_failed;
  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_IDXPTR     "@IDXPTR"
  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);
  88 int ltdb_index_add(struct ldb_module *module, const struct ldb_message *msg);
  89 int ltdb_index_del(struct ldb_module *module, const struct ldb_message *msg);
  90 int ltdb_index_one(struct ldb_module *module, const struct ldb_message *msg, int add);
  91 int ltdb_reindex(struct ldb_module *module);
  92 int ltdb_index_transaction_start(struct ldb_module *module);
  93 int ltdb_index_transaction_commit(struct ldb_module *module);
  94 int ltdb_index_transaction_cancel(struct ldb_module *module);
  95
  96 /* The following definitions come from lib/ldb/ldb_tdb/ldb_pack.c  */
  97
  98 int ltdb_pack_data(struct ldb_module *module,
  99                    const struct ldb_message *message,
 100                    struct TDB_DATA *data);
 101 void ltdb_unpack_data_free(struct ldb_module *module,
 102                            struct ldb_message *message);
 103 int ltdb_unpack_data(struct ldb_module *module,
 104                      const struct TDB_DATA *data,
 105                      struct ldb_message *message);
 106
 107 /* The following definitions come from lib/ldb/ldb_tdb/ldb_search.c  */
 108
 109 int ltdb_has_wildcard(struct ldb_module *module, const char *attr_name,
 110                       const struct ldb_val *val);
 111 void ltdb_search_dn1_free(struct ldb_module *module, struct ldb_message *msg);
 112 int ltdb_search_dn1(struct ldb_module *module, struct ldb_dn *dn, struct ldb_message *msg);
 113 int ltdb_add_attr_results(struct ldb_module *module,
 114                           TALLOC_CTX *mem_ctx,
 115                           struct ldb_message *msg,
 116                           const char * const attrs[],
 117                           unsigned int *count,
 118                           struct ldb_message ***res);
 119 int ltdb_filter_attrs(struct ldb_message *msg, const char * const *attrs);
 120 int ltdb_search(struct ltdb_context *ctx);
 121
 122 /* The following definitions come from lib/ldb/ldb_tdb/ldb_tdb.c  */
 123 int ltdb_lock_read(struct ldb_module *module);
 124 int ltdb_unlock_read(struct ldb_module *module);
 125 struct TDB_DATA ltdb_key(struct ldb_module *module, struct ldb_dn *dn);
 126 int ltdb_store(struct ldb_module *module, const struct ldb_message *msg, int flgs);
 127 int ltdb_delete_noindex(struct ldb_module *module, struct ldb_dn *dn);
 128 int ltdb_modify_internal(struct ldb_module *module, const struct ldb_message *msg);
 129
 130 int ltdb_index_del_value(struct ldb_module *module, const char *dn,
 131                          struct ldb_message_element *el, int v_idx);
 132
 133 struct tdb_context *ltdb_wrap_open(TALLOC_CTX *mem_ctx,
 134                                    const char *path, int hash_size, int tdb_flags,
 135                                    int open_flags, mode_t mode,
 136                                    struct ldb_context *ldb);