source3/lib/ldb/ldb_tdb/ldb_tdb.h

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