*
* Other functions we might want:
* - enumerate all known zones
- * - convenience function to gather record and the full affilliated stree
- * in one shot
*/
#ifndef GNUNET_NAMESTORE_SERVICE_H
#endif
#endif
+/**
+ * Record type indicating any record/'*'
+ */
+#define GNUNET_NAMESTORE_TYPE_ANY 0
+
/**
* Record type for GNS zone transfer ("PKEY").
*/
-#define GNUNET_GNS_TYPE_PKEY 65536
+#define GNUNET_NAMESTORE_TYPE_PKEY 65536
/**
* Record type for GNS zone transfer ("PSEU").
*/
-#define GNUNET_GNS_TYPE_PSEU 65537
+#define GNUNET_NAMESTORE_TYPE_PSEU 65537
+
+/**
+ * Record type for GNS legacy hostnames ("LEHO").
+ */
+#define GNUNET_NAMESTORE_TYPE_LEHO 65538
+
+/**
+ * Record type for VPN resolution
+ */
+#define GNUNET_NAMESTORE_TYPE_VPN 65539
+
+/**
+ * Record type for zone revocation
+ */
+#define GNUNET_NAMESTORE_TYPE_REV 65540
/**
* Entry in the queue.
#define GNUNET_NAMESTORE_MAX_VALUE_SIZE (63 * 1024)
-/**
- * Convert a type name (i.e. "AAAA") to the corresponding number.
- *
- * @param typename name to convert
- * @return corresponding number, UINT32_MAX on error
- */
-uint32_t
-GNUNET_NAMESTORE_typename_to_number (const char *typename);
-
/**
* Connect to the namestore service.
* resources).
*
* @param h handle to the namestore
- * @param drop set to GNUNET_YES to delete all data in namestore (!)
*/
void
-GNUNET_NAMESTORE_disconnect (struct GNUNET_NAMESTORE_Handle *h, int drop);
+GNUNET_NAMESTORE_disconnect (struct GNUNET_NAMESTORE_Handle *h);
/**
* This is a private record of this peer and it should
* thus not be handed out to other peers.
*/
- GNUNET_NAMESTORE_RF_PRIVATE = 2
+ GNUNET_NAMESTORE_RF_PRIVATE = 2,
+
+ /**
+ * This record was added by the system
+ * and is pending user confimation
+ */
+ GNUNET_NAMESTORE_RF_PENDING = 4,
+
+ /**
+ * This expiration time of the record is a relative
+ * time (not an absolute time).
+ */
+ GNUNET_NAMESTORE_RF_RELATIVE_EXPIRATION = 8
};
const void *data;
/**
- * Expiration time for the DNS record.
+ * Expiration time for the DNS record. Can be relative
+ * or absolute, depending on 'flags'.
*/
- struct GNUNET_TIME_Absolute expiration;
+ uint64_t expiration_time;
/**
* Number of bytes in 'data'.
* @param h handle to the namestore
* @param zone_key public key of the zone
* @param name name that is being mapped (at most 255 characters long)
- * @param expire when does the corresponding block in the DHT expire (until
+ * @param freshness when does the corresponding block in the DHT expire (until
* when should we never do a DHT lookup for the same name again)?
* @param rd_count number of entries in 'rd' array
* @param rd array of records with data to store
GNUNET_NAMESTORE_record_put (struct GNUNET_NAMESTORE_Handle *h,
const struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded *zone_key,
const char *name,
- struct GNUNET_TIME_Absolute expire,
+ struct GNUNET_TIME_Absolute freshness,
unsigned int rd_count,
const struct GNUNET_NAMESTORE_RecordData *rd,
const struct GNUNET_CRYPTO_RsaSignature *signature,
* to validate signatures received from the network.
*
* @param public_key public key of the zone
+ * @param freshness time set for block expiration
* @param name name that is being mapped (at most 255 characters long)
* @param rd_count number of entries in 'rd' array
* @param rd array of records with data to store
*/
int
GNUNET_NAMESTORE_verify_signature (const struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded *public_key,
- const char *name,
- unsigned int rd_count,
- const struct GNUNET_NAMESTORE_RecordData *rd,
- const struct GNUNET_CRYPTO_RsaSignature *signature);
+ const struct GNUNET_TIME_Absolute freshness,
+ const char *name,
+ unsigned int rd_count,
+ const struct GNUNET_NAMESTORE_RecordData *rd,
+ const struct GNUNET_CRYPTO_RsaSignature *signature);
/**
*/
struct GNUNET_NAMESTORE_QueueEntry *
GNUNET_NAMESTORE_record_create (struct GNUNET_NAMESTORE_Handle *h,
- const struct GNUNET_CRYPTO_RsaPrivateKey *pkey,
- const char *name,
- const struct GNUNET_NAMESTORE_RecordData *rd,
- GNUNET_NAMESTORE_ContinuationWithStatus cont,
- void *cont_cls);
+ const struct GNUNET_CRYPTO_RsaPrivateKey *pkey,
+ const char *name,
+ const struct GNUNET_NAMESTORE_RecordData *rd,
+ GNUNET_NAMESTORE_ContinuationWithStatus cont,
+ void *cont_cls);
/**
* @param h handle to the namestore
* @param pkey private key of the zone
* @param name name that is being mapped (at most 255 characters long)
- * @param rd record data
+ * @param rd record data, remove specific record, NULL to remove the name and all records
* @param cont continuation to call when done
* @param cont_cls closure for cont
* @return handle to abort the request
*
* @param cls closure
* @param zone_key public key of the zone
- * @param expire when does the corresponding block in the DHT expire (until
+ * @param freshness when does the corresponding block in the DHT expire (until
* when should we never do a DHT lookup for the same name again)?;
* GNUNET_TIME_UNIT_ZERO_ABS if there are no records of any type in the namestore,
* or the expiration time of the block in the namestore (even if there are zero
*/
typedef void (*GNUNET_NAMESTORE_RecordProcessor) (void *cls,
const struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded *zone_key,
- struct GNUNET_TIME_Absolute expire,
+ struct GNUNET_TIME_Absolute freshness,
const char *name,
unsigned int rd_len,
const struct GNUNET_NAMESTORE_RecordData *rd,
*/
struct GNUNET_NAMESTORE_QueueEntry *
GNUNET_NAMESTORE_lookup_record (struct GNUNET_NAMESTORE_Handle *h,
- const GNUNET_HashCode *zone,
+ const struct GNUNET_CRYPTO_ShortHashCode *zone,
const char *name,
uint32_t record_type,
GNUNET_NAMESTORE_RecordProcessor proc, void *proc_cls);
*/
struct GNUNET_NAMESTORE_QueueEntry *
GNUNET_NAMESTORE_zone_to_name (struct GNUNET_NAMESTORE_Handle *h,
- const GNUNET_HashCode *zone,
- const GNUNET_HashCode *value_zone,
+ const struct GNUNET_CRYPTO_ShortHashCode *zone,
+ const struct GNUNET_CRYPTO_ShortHashCode *value_zone,
GNUNET_NAMESTORE_RecordProcessor proc, void *proc_cls);
/**
* Starts a new zone iteration (used to periodically PUT all of our
- * records into our DHT). This MUST lock the GNUNET_NAMESTORE_Handle
- * for any other calls than GNUNET_NAMESTORE_zone_iterator_next and
- * GNUNET_NAMESTORE_zone_iteration_stop. "proc" will be called once
- * immediately, and then again after
- * "GNUNET_NAMESTORE_zone_iterator_next" is invoked.
+ * records into our DHT). "proc" will be called once immediately, and
+ * then again after "GNUNET_NAMESTORE_zone_iterator_next" is invoked.
+ *
+ * By specifying a 'zone' of NULL and setting 'GNUNET_NAMESTORE_RF_AUTHORITY'
+ * in 'must_have_flags', we can iterate over all records for which we are
+ * the authority. In this case, the 'GNUNET_NAMESTORE_RF_RELATIVE_EXPIRATION'
+ * bit in 'must_have_flags' has a special meaning:
+ *
+ * 0) If the bit is clear, all relative expriation times are converted to
+ * absolute expiration times. This is useful for performing DHT PUT
+ * operations (and zone transfers) of our zone.
+ * 1) if it is set, it means that relative expiration times should be
+ * preserved when returned (this is useful for the zone editor user
+ * interface).
+ *
+ * Note that not all queries against this interface are equally performant
+ * as for some combinations no efficient index may exist.
*
* @param h handle to the namestore
* @param zone zone to access, NULL for all zones
*/
struct GNUNET_NAMESTORE_ZoneIterator *
GNUNET_NAMESTORE_zone_iteration_start (struct GNUNET_NAMESTORE_Handle *h,
- const GNUNET_HashCode *zone,
+ const struct GNUNET_CRYPTO_ShortHashCode *zone,
enum GNUNET_NAMESTORE_RecordFlags must_have_flags,
enum GNUNET_NAMESTORE_RecordFlags must_not_have_flags,
GNUNET_NAMESTORE_RecordProcessor proc,
struct GNUNET_NAMESTORE_RecordData *dest);
+/**
+ * Checks if a name is wellformed
+ *
+ * @param name the name to check
+ * @return GNUNET_OK on success, GNUNET_SYSERR on error
+ */
+int
+GNUNET_NAMESTORE_check_name (const char * name);
+
+/**
+ * Convert the 'value' of a record to a string.
+ *
+ * @param type type of the record
+ * @param data value in binary encoding
+ * @param data_size number of bytes in data
+ * @return NULL on error, otherwise human-readable representation of the value
+ */
+char *
+GNUNET_NAMESTORE_value_to_string (uint32_t type,
+ const void *data,
+ size_t data_size);
+
+
+/**
+ * Convert human-readable version of a 'value' of a record to the binary
+ * representation.
+ *
+ * @param type type of the record
+ * @param s human-readable string
+ * @param data set to value in binary encoding (will be allocated)
+ * @param data_size set to number of bytes in data
+ * @return GNUNET_OK on success
+ */
+int
+GNUNET_NAMESTORE_string_to_value (uint32_t type,
+ const char *s,
+ void **data,
+ size_t *data_size);
+
+
+/**
+ * Convert a type name (i.e. "AAAA") to the corresponding number.
+ *
+ * @param typename name to convert
+ * @return corresponding number, UINT32_MAX on error
+ */
+uint32_t
+GNUNET_NAMESTORE_typename_to_number (const char *typename);
+
+
+/**
+ * Convert a type number (i.e. 1) to the corresponding type string (i.e. "A")
+ *
+ * @param type number of a type to convert
+ * @return corresponding typestring, NULL on error
+ */
+const char *
+GNUNET_NAMESTORE_number_to_typename (uint32_t type);
+
+
#if 0 /* keep Emacsens' auto-indent happy */
{
#endif