default:
break;
}
-
+ size++; // FIXME: just working around compiler warning here...
GNUNET_CLIENT_receive (nsh->client, &process_namestore_message, nsh,
GNUNET_TIME_UNIT_FOREVER_REL);
nsh = NULL;
}
-/**
- * Sign a record. This function is used by the authority of the zone
- * to add a record.
- *
- * @param h handle to the namestore
- * @param zone_privkey private key of the zone
- * @param record_hash hash of the record to be signed
- * @param cont continuation to call when done
- * @param cont_cls closure for cont
- * @return handle to abort the request
- */
-struct GNUNET_NAMESTORE_QueueEntry *
-GNUNET_NAMESTORE_stree_extend (struct GNUNET_NAMESTORE_Handle *h,
- const struct GNUNET_CRYPTO_RsaPrivateKey *zone_privkey,
- const GNUNET_HashCode *record_hash,
- GNUNET_NAMESTORE_ContinuationWithSignature cont,
- void *cont_cls)
-{
- struct GNUNET_NAMESTORE_QueueEntry *qe;
- qe = GNUNET_malloc(sizeof (struct GNUNET_NAMESTORE_QueueEntry));
- return qe;
-}
/**
- * Rebalance the signature tree of our zone. This function should
- * be called "rarely" to rebalance the tree.
+ * Store an item in the namestore. If the item is already present,
+ * the expiration time is updated to the max of the existing time and
+ * the new time. This API is used when we cache signatures from other
+ * authorities.
*
* @param h handle to the namestore
- * @param zone_privkey private key for the zone to rebalance
+ * @param zone hash of the 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
+ * 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
+ * @param signature signature for all the records in the zone under the given name
* @param cont continuation to call when done
* @param cont_cls closure for cont
* @return handle to abort the request
*/
struct GNUNET_NAMESTORE_QueueEntry *
-GNUNET_NAMESTORE_stree_rebalance (struct GNUNET_NAMESTORE_Handle *h,
- const struct GNUNET_CRYPTO_RsaPrivateKey *zone_privkey,
- GNUNET_NAMESTORE_ContinuationWithStatus cont,
- void *cont_cls)
+GNUNET_NAMESTORE_record_put (struct GNUNET_NAMESTORE_Handle *h,
+ const GNUNET_HashCode *zone,
+ const char *name,
+ struct GNUNET_TIME_Absolute expire,
+ unsigned int rd_count,
+ const struct GNUNET_NAMESTORE_RecordData *rd,
+ const struct GNUNET_CRYPTO_RsaSignature *signature,
+ GNUNET_NAMESTORE_ContinuationWithStatus cont,
+ void *cont_cls)
{
struct GNUNET_NAMESTORE_QueueEntry *qe;
qe = GNUNET_malloc(sizeof (struct GNUNET_NAMESTORE_QueueEntry));
+#if 0
+ struct GNUNET_NAMESTORE_SimpleRecord *sr;
+ sr = GNUNET_malloc(sizeof(struct GNUNET_NAMESTORE_SimpleRecord));
+ sr->name = name;
+ sr->record_type = record_type;
+ sr->expiration = expiration;
+ sr->flags = flags;
+ sr->data_size = data_size;
+ sr->data = data;
+ GNUNET_CONTAINER_DLL_insert(h->records_head, h->records_tail, sr);
+#endif
return qe;
}
-/**
- * Provide the root of a signature tree. This function is
- * used by non-authorities as the first operation when
- * adding a foreign zone.
- *
- * @param h handle to the namestore
- * @param zone_key public key of the zone
- * @param signature signature of the top-level entry of the zone
- * @param revision revision number of the zone
- * @param top_hash top-level hash of the zone
- * @param cont continuation to call when done
- * @param cont_cls closure for cont
- * @return handle to abort the request
- */
-struct GNUNET_NAMESTORE_QueueEntry *
-GNUNET_NAMESTORE_stree_start (struct GNUNET_NAMESTORE_Handle *h,
- const struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded *zone_key,
- const struct GNUNET_CRYPTO_RsaSignature *signature,
- uint32_t revision,
- const GNUNET_HashCode *top_hash,
- GNUNET_NAMESTORE_ContinuationWithSignature cont,
- void *cont_cls)
-{
- struct GNUNET_NAMESTORE_QueueEntry *qe;
- qe = GNUNET_malloc(sizeof (struct GNUNET_NAMESTORE_QueueEntry));
- return qe;
-}
/**
- * Store part of a signature B-tree in the namestore. This function
- * is used by non-authorities to cache parts of a zone's signature tree.
- * Note that the tree must be build top-down. This function must check
- * that the nodes being added are valid, and if not refuse the operation.
+ * Check if a signature is valid. This API is used by the GNS Block
+ * to validate signatures received from the network.
*
- * @param h handle to the namestore
- * @param zone_key public key of the zone
- * @param loc location in the B-tree
- * @param ploc parent's location in the B-tree (must have depth = loc.depth - 1)
- * @param num_entries number of entries at this node in the B-tree
- * @param entries the 'num_entries' entries to store (hashes over the
- * records)
- * @param cont continuation to call when done
- * @param cont_cls closure for cont
- * @return handle to abort the request
+ * @param public_key public key of the zone
+ * @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
+ * @param signature signature for all the records in the zone under the given name
+ * @return GNUNET_OK if the signature is valid
*/
-struct GNUNET_NAMESTORE_QueueEntry *
-GNUNET_NAMESTORE_stree_put (struct GNUNET_NAMESTORE_Handle *h,
- const struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded *zone_key,
- const struct GNUNET_NAMESTORE_SignatureLocation *loc,
- const struct GNUNET_NAMESTORE_SignatureLocation *ploc,
- unsigned int num_entries,
- const GNUNET_HashCode *entries,
- GNUNET_NAMESTORE_ContinuationWithStatus cont,
- void *cont_cls)
+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)
{
- struct GNUNET_NAMESTORE_QueueEntry *qe;
- qe = GNUNET_malloc(sizeof (struct GNUNET_NAMESTORE_QueueEntry));
- return qe;
+ return GNUNET_SYSERR;
}
/**
* Store an item in the namestore. If the item is already present,
* the expiration time is updated to the max of the existing time and
- * the new time. The operation must fail if there is no matching
- * entry in the signature tree.
+ * the new time. This API is used by the authority of a zone.
*
* @param h handle to the namestore
- * @param zone hash of the public key of the zone
+ * @param pkey private key of the zone
* @param name name that is being mapped (at most 255 characters long)
- * @param record_type type of the record (A, AAAA, PKEY, etc.)
- * @param expiration expiration time for the content
- * @param flags flags for the content
- * @param sig_loc where is the information about the signature for this record stored?
- * @param data_size number of bytes in data
- * @param data value, semantics depend on 'record_type' (see RFCs for DNS and
- * GNS specification for GNS extensions)
+ * @param rd record data to store
* @param cont continuation to call when done
* @param cont_cls closure for cont
* @return handle to abort the request
*/
struct GNUNET_NAMESTORE_QueueEntry *
-GNUNET_NAMESTORE_record_put (struct GNUNET_NAMESTORE_Handle *h,
- const GNUNET_HashCode *zone,
- const char *name,
- uint32_t record_type,
- struct GNUNET_TIME_Absolute expiration,
- enum GNUNET_NAMESTORE_RecordFlags flags,
- const struct GNUNET_NAMESTORE_SignatureLocation *sig_loc,
- size_t data_size,
- const void *data,
- GNUNET_NAMESTORE_ContinuationWithStatus cont,
- void *cont_cls)
+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)
{
- struct GNUNET_NAMESTORE_QueueEntry *qe;
- qe = GNUNET_malloc(sizeof (struct GNUNET_NAMESTORE_QueueEntry));
-#if 0
- struct GNUNET_NAMESTORE_SimpleRecord *sr;
- sr = GNUNET_malloc(sizeof(struct GNUNET_NAMESTORE_SimpleRecord));
- sr->name = name;
- sr->record_type = record_type;
- sr->expiration = expiration;
- sr->flags = flags;
- sr->data_size = data_size;
- sr->data = data;
- GNUNET_CONTAINER_DLL_insert(h->records_head, h->records_tail, sr);
-#endif
- return qe;
+ return NULL;
}
+
/**
* Explicitly remove some content from the database. The
* "cont"inuation will be called with status "GNUNET_OK" if content
* was removed, "GNUNET_NO" if no matching entry was found and
* "GNUNET_SYSERR" on all other types of errors.
+ * This API is used by the authority of a zone.
*
* @param h handle to the namestore
- * @param zone hash of the public key of the zone
+ * @param pkey private key of the zone
* @param name name that is being mapped (at most 255 characters long)
- * @param record_type type of the record (A, AAAA, PKEY, etc.)
- * @param size number of bytes in data
- * @param data content stored
+ * @param rd record data
* @param cont continuation to call when done
* @param cont_cls closure for cont
* @return handle to abort the request
*/
struct GNUNET_NAMESTORE_QueueEntry *
GNUNET_NAMESTORE_record_remove (struct GNUNET_NAMESTORE_Handle *h,
- const GNUNET_HashCode *zone,
- const char *name,
- uint32_t record_type,
- size_t size,
- const void *data,
- 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)
{
struct GNUNET_NAMESTORE_QueueEntry *qe;
qe = GNUNET_malloc(sizeof (struct GNUNET_NAMESTORE_QueueEntry));
return qe;
}
+
/**
* Get a result for a particular key from the namestore. The processor
- * will only be called once.
+ * will only be called once.
*
* @param h handle to the namestore
* @param zone zone to look up a record from
* @param name name to look up
- * @param record_type desired record type
- * @param proc function to call on each matching value;
- * will be called once with a NULL value at the end
+ * @param record_type desired record type, 0 for all
+ * @param proc function to call on the matching records, or with
+ * NULL (rd_count == 0) if there are no matching records
* @param proc_cls closure for proc
* @return a handle that can be used to
* cancel
*/
struct GNUNET_NAMESTORE_QueueEntry *
-GNUNET_NAMESTORE_lookup_name (struct GNUNET_NAMESTORE_Handle *nsh,
- const GNUNET_HashCode *zone,
- const char *name,
- uint32_t record_type,
- GNUNET_NAMESTORE_RecordProcessor proc, void *proc_cls)
+GNUNET_NAMESTORE_lookup_record (struct GNUNET_NAMESTORE_Handle *h,
+ const GNUNET_HashCode *zone,
+ const char *name,
+ uint32_t record_type,
+ GNUNET_NAMESTORE_RecordProcessor proc, void *proc_cls)
{
struct GNUNET_NAMESTORE_QueueEntry *qe;
qe = GNUNET_malloc(sizeof (struct GNUNET_NAMESTORE_QueueEntry));
GNUNET_TIME_absolute_get_forever(), 0, NULL, 0, NULL); /*TERMINATE*/
#endif
- GNUNET_assert (NULL != nsh);
+ GNUNET_assert (NULL != h);
struct PendingMessage * p;
struct LookupNameMessage * msg;
msg = (struct LookupNameMessage *) &p[1];
msg->header.type = htons (GNUNET_MESSAGE_TYPE_NAMESTORE_LOOKUP_NAME);
msg->header.size = htons (msg_len);
- GNUNET_CONTAINER_DLL_insert (nsh->pending_head, nsh->pending_tail, p);
- do_transmit (nsh);
+ GNUNET_CONTAINER_DLL_insert (h->pending_head, h->pending_tail, p);
+ do_transmit (h);
return qe;
}
+
/**
- * Get the hash of a record (what will be signed in the Stree for
- * the record).
+ * 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.
*
- * @param zone hash of the public key of the zone
- * @param name name that is being mapped (at most 255 characters long)
- * @param record_type type of the record (A, AAAA, PKEY, etc.)
- * @param expiration expiration time for the content
- * @param flags flags for the content
- * @param data_size number of bytes in data
- * @param data value, semantics depend on 'record_type' (see RFCs for DNS and.
- * GNS specification for GNS extensions)
- * @param record_hash hash of the record (set)
+ * @param h handle to the namestore
+ * @param zone zone to access, NULL for all zones
+ * @param must_have_flags flags that must be set for the record to be returned
+ * @param must_not_have_flags flags that must NOT be set for the record to be returned
+ * @param proc function to call on each name from the zone; it
+ * will be called repeatedly with a value (if available)
+ * and always once at the end with a name of NULL.
+ * @param proc_cls closure for proc
+ * @return an iterator handle to use for iteration
*/
-void
-GNUNET_NAMESTORE_record_hash (struct GNUNET_NAMESTORE_Handle *h,
- const GNUNET_HashCode *zone,
- const char *name,
- uint32_t record_type,
- struct GNUNET_TIME_Absolute expiration,
- enum GNUNET_NAMESTORE_RecordFlags flags,
- size_t data_size,
- const void *data,
- GNUNET_HashCode *record_hash)
+struct GNUNET_NAMESTORE_ZoneIterator *
+GNUNET_NAMESTORE_zone_iteration_start (struct GNUNET_NAMESTORE_Handle *h,
+ const GNUNET_HashCode *zone,
+ enum GNUNET_NAMESTORE_RecordFlags must_have_flags,
+ enum GNUNET_NAMESTORE_RecordFlags must_not_have_flags,
+ GNUNET_NAMESTORE_RecordProcessor proc,
+ void *proc_cls)
{
- char* teststring = "namestore-stub";
- GNUNET_CRYPTO_hash(teststring, strlen(teststring), record_hash);
+ return NULL;
}
+
/**
- * Obtain part of a signature B-tree. The processor
- * will only be called once.
+ * Calls the record processor specified in GNUNET_NAMESTORE_zone_iteration_start
+ * for the next record.
*
- * @param h handle to the namestore
- * @param zone zone to look up a record from
- * @param sig_loc location to look up
- * @param proc function to call on each matching value;
- * will be called once with a NULL value at the end
- * @param proc_cls closure for proc
- * @return a handle that can be used to
- * cancel
+ * @param it the iterator
*/
-struct GNUNET_NAMESTORE_QueueEntry *
-GNUNET_NAMESTORE_lookup_stree (struct GNUNET_NAMESTORE_Handle *h,
- const GNUNET_HashCode *zone,
- const struct GNUNET_NAMESTORE_SignatureLocation *sig_loc,
- GNUNET_NAMESTORE_StreeProcessor proc, void *proc_cls)
+void
+GNUNET_NAMESTORE_zone_iterator_next (struct GNUNET_NAMESTORE_ZoneIterator *it)
{
- struct GNUNET_NAMESTORE_QueueEntry *qe;
- qe = GNUNET_malloc(sizeof (struct GNUNET_NAMESTORE_QueueEntry));
- return qe;
}
/**
- * Get all records of a zone.
+ * Stops iteration and releases the namestore handle for further calls.
*
- * @param h handle to the namestore
- * @param zone zone to access
- * @param proc function to call on a random value; it
- * will be called repeatedly with a value (if available)
- * and always once at the end with a zone and name of NULL.
- * @param proc_cls closure for proc
- * @return a handle that can be used to
- * cancel
+ * @param it the iterator
*/
-struct GNUNET_NAMESTORE_QueueEntry *
-GNUNET_NAMESTORE_zone_transfer (struct GNUNET_NAMESTORE_Handle *h,
- const GNUNET_HashCode *zone,
- GNUNET_NAMESTORE_RecordProcessor proc,
- void *proc_cls)
+void
+GNUNET_NAMESTORE_zone_iteration_stop (struct GNUNET_NAMESTORE_ZoneIterator *it)
{
- struct GNUNET_NAMESTORE_QueueEntry *qe;
- qe = GNUNET_malloc(sizeof (struct GNUNET_NAMESTORE_QueueEntry));
- return qe;
}
-
-
/**
* Cancel a namestore operation. The final callback from the
* operation must not have been done yet.