+/*
+ * LDAP sync (RFC4533) API
+ */
+
+typedef struct ldap_sync_t ldap_sync_t;
+
+typedef enum {
+ /* these are private - the client should never see them */
+ LDAP_SYNC_CAPI_NONE = -1,
+
+ LDAP_SYNC_CAPI_PHASE_FLAG = 0x10U,
+ LDAP_SYNC_CAPI_IDSET_FLAG = 0x20U,
+ LDAP_SYNC_CAPI_DONE_FLAG = 0x40U,
+
+ /* these are passed to ls_search_entry() */
+ LDAP_SYNC_CAPI_PRESENT = LDAP_SYNC_PRESENT,
+ LDAP_SYNC_CAPI_ADD = LDAP_SYNC_ADD,
+ LDAP_SYNC_CAPI_MODIFY = LDAP_SYNC_MODIFY,
+ LDAP_SYNC_CAPI_DELETE = LDAP_SYNC_DELETE,
+
+ /* these are passed to ls_intermediate() */
+ LDAP_SYNC_CAPI_PRESENTS = ( LDAP_SYNC_CAPI_PHASE_FLAG | LDAP_SYNC_CAPI_PRESENT ),
+ LDAP_SYNC_CAPI_DELETES = ( LDAP_SYNC_CAPI_PHASE_FLAG | LDAP_SYNC_CAPI_DELETE ),
+
+ LDAP_SYNC_CAPI_PRESENTS_IDSET = ( LDAP_SYNC_CAPI_PRESENTS | LDAP_SYNC_CAPI_IDSET_FLAG ),
+ LDAP_SYNC_CAPI_DELETES_IDSET = ( LDAP_SYNC_CAPI_DELETES | LDAP_SYNC_CAPI_IDSET_FLAG ),
+
+ LDAP_SYNC_CAPI_DONE = ( LDAP_SYNC_CAPI_DONE_FLAG | LDAP_SYNC_CAPI_PRESENTS )
+} ldap_sync_refresh_t;
+
+/*
+ * Called when an entry is returned by ldap_result().
+ * If phase is LDAP_SYNC_CAPI_ADD or LDAP_SYNC_CAPI_MODIFY,
+ * the entry has been either added or modified, and thus
+ * the complete view of the entry should be in the LDAPMessage.
+ * If phase is LDAP_SYNC_CAPI_PRESENT or LDAP_SYNC_CAPI_DELETE,
+ * only the DN should be in the LDAPMessage.
+ */
+typedef int (*ldap_sync_search_entry_f) LDAP_P((
+ ldap_sync_t *ls,
+ LDAPMessage *msg,
+ struct berval *entryUUID,
+ ldap_sync_refresh_t phase ));
+
+/*
+ * Called when a reference is returned; the client should know
+ * what to do with it.
+ */
+typedef int (*ldap_sync_search_reference_f) LDAP_P((
+ ldap_sync_t *ls,
+ LDAPMessage *msg ));
+
+/*
+ * Called when specific intermediate/final messages are returned.
+ * If phase is LDAP_SYNC_CAPI_PRESENTS or LDAP_SYNC_CAPI_DELETES,
+ * a "presents" or "deletes" phase begins.
+ * If phase is LDAP_SYNC_CAPI_DONE, a special "presents" phase
+ * with refreshDone set to "TRUE" has been returned, to indicate
+ * that the refresh phase of a refreshAndPersist is complete.
+ * In the above cases, syncUUIDs is NULL.
+ *
+ * If phase is LDAP_SYNC_CAPI_PRESENTS_IDSET or
+ * LDAP_SYNC_CAPI_DELETES_IDSET, syncUUIDs is an array of UUIDs
+ * that are either present or have been deleted.
+ */
+typedef int (*ldap_sync_intermediate_f) LDAP_P((
+ ldap_sync_t *ls,
+ LDAPMessage *msg,
+ BerVarray syncUUIDs,
+ ldap_sync_refresh_t phase ));
+
+/*
+ * Called when a searchResultDone is returned. In refreshAndPersist,
+ * this can only occur if the search for any reason is being terminated
+ * by the server.
+ */
+typedef int (*ldap_sync_search_result_f) LDAP_P((
+ ldap_sync_t *ls,
+ LDAPMessage *msg,
+ int refreshDeletes ));
+
+/*
+ * This structure contains all information about the persistent search;
+ * the caller is responsible for connecting, setting version, binding, tls...
+ */
+struct ldap_sync_t {
+ /* conf search params */
+ char *ls_base;
+ int ls_scope;
+ char *ls_filter;
+ char **ls_attrs;
+ int ls_timelimit;
+ int ls_sizelimit;
+
+ /* poll timeout */
+ int ls_timeout;
+
+ /* helpers - add as appropriate */
+ ldap_sync_search_entry_f ls_search_entry;
+ ldap_sync_search_reference_f ls_search_reference;
+ ldap_sync_intermediate_f ls_intermediate;
+ ldap_sync_search_result_f ls_search_result;
+
+ /* set by the caller as appropriate */
+ void *ls_private;
+
+ /* conn stuff */
+ LDAP *ls_ld;
+
+ /* --- the parameters below are private - do not modify --- */
+
+ /* FIXME: make the structure opaque, and provide an interface
+ * to modify the public values? */
+
+ /* result stuff */
+ int ls_msgid;
+
+ /* sync stuff */
+ /* needed by refreshOnly */
+ int ls_reloadHint;
+
+ /* opaque - need to pass between sessions, updated by the API */
+ struct berval ls_cookie;
+
+ /* state variable - do not modify */
+ ldap_sync_refresh_t ls_refreshPhase;
+};
+
+/*
+ * End of LDAP sync (RFC4533) API
+ */
+
+/*
+ * Connection callbacks...
+ */
+struct ldap_conncb;
+struct sockaddr;
+
+/* Called after a connection is established */
+typedef int (ldap_conn_add_f) LDAP_P(( LDAP *ld, Sockbuf *sb, LDAPURLDesc *srv, struct sockaddr *addr,
+ struct ldap_conncb *ctx ));
+/* Called before a connection is closed */
+typedef void (ldap_conn_del_f) LDAP_P(( LDAP *ld, Sockbuf *sb, struct ldap_conncb *ctx ));
+
+/* Callbacks are pushed on a stack. Last one pushed is first one executed. The
+ * delete callback is called with a NULL Sockbuf just before freeing the LDAP handle.
+ */
+typedef struct ldap_conncb {
+ ldap_conn_add_f *lc_add;
+ ldap_conn_del_f *lc_del;
+ void *lc_arg;
+} ldap_conncb;
+