source/lib/ldb/ldb_tdb/ldb_tdb.h

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