/*
This file is part of GNUnet.
- (C) 2009 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2011-2013 GNUnet e.V.
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
*/
/**
* @file namestore/namestore.h
* @brief common internal definitions for namestore service
* @author Matthias Wachs
+ * @author Christian Grothoff
*/
#ifndef NAMESTORE_H
#define NAMESTORE_H
-/*
- * Collect message types here, move to protocols later
+/**
+ * Maximum length of any name, including 0-termination.
*/
-#define GNUNET_MESSAGE_TYPE_NAMESTORE_LOOKUP_NAME 431
-#define GNUNET_MESSAGE_TYPE_NAMESTORE_LOOKUP_NAME_RESPONSE 432
-#define GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_PUT 433
-#define GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_PUT_RESPONSE 434
-#define GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_CREATE 435
-#define GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_CREATE_RESPONSE 436
-#define GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_REMOVE 437
-#define GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_REMOVE_RESPONSE 438
-
-#define GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_ITERATION_START 439
-#define GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_ITERATION_RESPONSE 440
-#define GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_ITERATION_NEXT 441
-#define GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_ITERATION_STOP 442
+#define MAX_NAME_LEN 256
-
-struct GNUNET_CRYPTO_RsaSignature *
-GNUNET_NAMESTORE_create_signature (const struct GNUNET_CRYPTO_RsaPrivateKey *key, const char *name, struct GNUNET_NAMESTORE_RecordData *rd, unsigned int rd_count);
+GNUNET_NETWORK_STRUCT_BEGIN
/**
- * Compares if two records are equal
- *
- * @param a record
- * @param b record
- *
- * @return GNUNET_YES or GNUNET_NO
+ * Generic namestore message with op id
*/
-int
-GNUNET_NAMESTORE_records_cmp (const struct GNUNET_NAMESTORE_RecordData *a,
- const struct GNUNET_NAMESTORE_RecordData *b);
+struct GNUNET_NAMESTORE_Header
+{
+ /**
+ * header.type will be GNUNET_MESSAGE_TYPE_NAMESTORE_*
+ * header.size will be message size
+ */
+ struct GNUNET_MessageHeader header;
+
+ /**
+ * Request ID in NBO
+ */
+ uint32_t r_id GNUNET_PACKED;
+};
+
-GNUNET_NETWORK_STRUCT_BEGIN
/**
- * A GNS record serialized for network transmission.
- * layout is [struct GNUNET_NAMESTORE_NetworkRecord][char[data_size] data]
+ * Store a record to the namestore (as authority).
*/
-struct GNUNET_NAMESTORE_NetworkRecord
+struct RecordStoreMessage
{
/**
- * Expiration time for the DNS record.
+ * Type will be #GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_STORE
*/
- struct GNUNET_TIME_AbsoluteNBO expiration;
+ struct GNUNET_NAMESTORE_Header gns_header;
/**
- * Number of bytes in 'data'.
+ * Expiration time
*/
- uint32_t data_size;
+ struct GNUNET_TIME_AbsoluteNBO expire;
/**
- * Type of the GNS/DNS record.
+ * Name length
*/
- uint32_t record_type;
+ uint16_t name_len GNUNET_PACKED;
/**
- * Flags for the record.
+ * Length of serialized record data
*/
- uint32_t flags;
-};
-
+ uint16_t rd_len GNUNET_PACKED;
+ /**
+ * Number of records contained
+ */
+ uint16_t rd_count GNUNET_PACKED;
-/**
- * Connect to namestore service. FIXME: UNNECESSARY.
- */
-struct StartMessage
-{
+ /**
+ * always zero (for alignment)
+ */
+ uint16_t reserved GNUNET_PACKED;
/**
- * Type will be GNUNET_MESSAGE_TYPE_NAMESTORE_START
+ * The private key of the authority.
*/
- struct GNUNET_MessageHeader header;
+ struct GNUNET_CRYPTO_EcdsaPrivateKey private_key;
+ /* followed by:
+ * name with length name_len
+ * serialized record data with rd_count records
+ */
};
+
/**
- * Generic namestore message with op id
+ * Response to a record storage request.
*/
-struct GNUNET_NAMESTORE_Header
+struct RecordStoreResponseMessage
{
/**
- * header.type will be GNUNET_MESSAGE_TYPE_NAMESTORE_*
- * header.size will be message size
+ * Type will be #GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_STORE_RESPONSE
*/
- struct GNUNET_MessageHeader header;
+ struct GNUNET_NAMESTORE_Header gns_header;
/**
- * Request ID in NBO
+ * #GNUNET_SYSERR on failure, #GNUNET_OK on success
*/
- uint32_t r_id;
+ int32_t op_result GNUNET_PACKED;
};
/**
- * Connect to namestore service
+ * Lookup a label
*/
-struct LookupNameMessage
+struct LabelLookupMessage
{
+ /**
+ * Type will be #GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_LOOKUP
+ */
struct GNUNET_NAMESTORE_Header gns_header;
- /* The zone */
- GNUNET_HashCode zone;
+ /**
+ * Length of the name
+ */
+ uint32_t label_len GNUNET_PACKED;
- /* Requested record type */
- uint32_t record_type;
+ /**
+ * The private key of the zone to look up in
+ */
+ struct GNUNET_CRYPTO_EcdsaPrivateKey zone;
- /* Requested record type */
- uint32_t name_len;
+ /* followed by:
+ * name with length name_len
+ */
};
/**
- * Lookup response
- * Memory layout:
- * [struct LookupNameResponseMessage][struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded][char *name][rc_count * struct GNUNET_NAMESTORE_RecordData][struct GNUNET_CRYPTO_RsaSignature]
+ * Lookup a label
*/
-struct LookupNameResponseMessage
+struct LabelLookupResponseMessage
{
/**
- * Type will be GNUNET_MESSAGE_TYPE_NAMESTORE_LOOKUP_NAME_RESPONSE
+ * Type will be #GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_LOOKUP_RESPONSE
*/
struct GNUNET_NAMESTORE_Header gns_header;
- struct GNUNET_TIME_AbsoluteNBO expire;
+ /**
+ * Name length
+ */
+ uint16_t name_len GNUNET_PACKED;
- uint16_t name_len;
+ /**
+ * Length of serialized record data
+ */
+ uint16_t rd_len GNUNET_PACKED;
- uint16_t rd_len;
+ /**
+ * Number of records contained
+ */
+ uint16_t rd_count GNUNET_PACKED;
- uint16_t rd_count;
+ /**
+ * Was the label found in the database??
+ * GNUNET_YES or GNUNET_NO
+ */
+ uint16_t found GNUNET_PACKED;
- int32_t contains_sig;
+ /**
+ * The private key of the authority.
+ */
+ struct GNUNET_CRYPTO_EcdsaPrivateKey private_key;
- /* Requested record type */
+ /* followed by:
+ * name with length name_len
+ * serialized record data with rd_count records
+ */
};
+
/**
- * Put a record to the namestore
- * Memory layout:
- * [struct RecordPutMessage][struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded][char *name][rc_count * struct GNUNET_NAMESTORE_RecordData]
+ * Lookup a name for a zone hash
*/
-struct RecordPutMessage
+struct ZoneToNameMessage
{
/**
- * Type will be GNUNET_MESSAGE_TYPE_NAMESTORE_LOOKUP_RECORD_PUT
+ * Type will be #GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_TO_NAME
*/
struct GNUNET_NAMESTORE_Header gns_header;
- /* Contenct starts here */
-
- /* name length */
- uint16_t name_len;
-
- /* Length of serialized rd data */
- uint16_t rd_len;
-
- /* Number of records contained */
- uint16_t rd_count;
-
- /* Length of pubkey */
- uint16_t key_len;
-
- struct GNUNET_TIME_AbsoluteNBO expire;
+ /**
+ * The private key of the zone to look up in
+ */
+ struct GNUNET_CRYPTO_EcdsaPrivateKey zone;
- struct GNUNET_CRYPTO_RsaSignature signature;
+ /**
+ * The public key of the target zone
+ */
+ struct GNUNET_CRYPTO_EcdsaPublicKey value_zone;
};
/**
- * Put a record to the namestore response
+ * Respone for zone to name lookup
*/
-struct RecordPutResponseMessage
+struct ZoneToNameResponseMessage
{
/**
- * Type will be GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_PUT_RESPONSE
+ * Type will be #GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_TO_NAME_RESPONSE
*/
- struct GNUNET_MessageHeader header;
+ struct GNUNET_NAMESTORE_Header gns_header;
/**
- * Operation ID in NBO
+ * Length of the name
*/
- uint32_t op_id;
-
- /* Contenct starts here */
+ uint16_t name_len GNUNET_PACKED;
/**
- * name length: GNUNET_NO (0) on error, GNUNET_OK (1) on success
+ * Length of serialized record data
*/
- uint16_t op_result;
-};
-
+ uint16_t rd_len GNUNET_PACKED;
-/**
- * Create a record and put it to the namestore
- * Memory layout:
- * [struct RecordCreateMessage][char *name][rc_count * struct GNUNET_NAMESTORE_RecordData]
- */
-struct RecordCreateMessage
-{
/**
- * Type will be GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_CREATE
+ * Number of records contained
*/
- struct GNUNET_NAMESTORE_Header gns_header;
-
- /* Contenct starts here */
+ uint16_t rd_count GNUNET_PACKED;
- /* name length */
- uint16_t name_len;
+ /**
+ * result in NBO: #GNUNET_OK on success, #GNUNET_NO if there were no
+ * results, #GNUNET_SYSERR on error
+ */
+ int16_t res GNUNET_PACKED;
- /* Record data length */
- uint16_t rd_len;
+ /**
+ * The private key of the zone that contained the name.
+ */
+ struct GNUNET_CRYPTO_EcdsaPrivateKey zone;
- /* Record count */
- uint16_t rd_count;
+ /* followed by:
+ * name with length name_len
+ * serialized record data with rd_count records
+ */
- /* private key length */
- uint16_t pkey_len;
};
/**
- * Create a record to the namestore response
- * Memory layout:
+ * Record is returned from the namestore (as authority).
*/
-struct RecordCreateResponseMessage
+struct RecordResultMessage
{
/**
- * Type will be GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_CREATE_RESPONSE
+ * Type will be #GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_RESULT
*/
struct GNUNET_NAMESTORE_Header gns_header;
- /* Contenct starts here */
-
/**
- * name length: GNUNET_NO (0) on error, GNUNET_OK (1) on success
+ * Name length
*/
- uint16_t op_result;
+ uint16_t name_len GNUNET_PACKED;
-
-};
-
-/**
- * Remove a record from the namestore
- * Memory layout:
- * [struct RecordRemoveMessage][char *name][struct GNUNET_NAMESTORE_RecordData]
- */
-struct RecordRemoveMessage
-{
/**
- * Type will be GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_REMOVE
+ * Length of serialized record data
*/
- struct GNUNET_NAMESTORE_Header gns_header;
+ uint16_t rd_len GNUNET_PACKED;
- /* Contenct starts here */
-
- /* Name length */
- uint16_t name_len;
+ /**
+ * Number of records contained
+ */
+ uint16_t rd_count GNUNET_PACKED;
- /* Length of serialized rd data */
- uint16_t rd_len;
+ /**
+ * always zero (for alignment)
+ */
+ uint16_t reserved GNUNET_PACKED;
- /* Number of records contained */
- uint16_t rd_count;
+ /**
+ * The private key of the authority.
+ */
+ struct GNUNET_CRYPTO_EcdsaPrivateKey private_key;
- /* Length of pubkey */
- uint16_t key_len;
+ /* followed by:
+ * name with length name_len
+ * serialized record data with rd_count records
+ */
};
-GNUNET_NETWORK_STRUCT_END
/**
- * Remove a record from the namestore response
+ * Start monitoring a zone.
*/
-GNUNET_NETWORK_STRUCT_BEGIN
-struct RecordRemoveResponseMessage
+struct ZoneMonitorStartMessage
{
/**
- * Type will be GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_REMOVE_RESPONSE
+ * Type will be #GNUNET_MESSAGE_TYPE_NAMESTORE_MONITOR_START
*/
- struct GNUNET_NAMESTORE_Header gns_header;
+ struct GNUNET_MessageHeader header;
- /* Contenct starts here */
+ /**
+ * #GNUNET_YES to first iterate over all records,
+ * #GNUNET_NO to only monitor changes.o
+ */
+ uint32_t iterate_first GNUNET_PACKED;
/**
- * result:
- * 0 : successful
- * 1 : no records for entry
- * 2 : Could not find record to remove
- * 3 : Failed to create new signature
- * 4 : Failed to put new set of records in database
+ * Zone key.
*/
- uint16_t op_result;
+ struct GNUNET_CRYPTO_EcdsaPrivateKey zone;
+
};
-GNUNET_NETWORK_STRUCT_END
/**
* Start a zone iteration for the given zone
*/
-GNUNET_NETWORK_STRUCT_BEGIN
struct ZoneIterationStartMessage
{
/**
- * Type will be GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_ITERATION_START
+ * Type will be #GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_ITERATION_START
*/
struct GNUNET_NAMESTORE_Header gns_header;
- /* Contenct starts here */
-
- uint16_t must_have_flags;
- uint16_t must_not_have_flags;
+ /**
+ * Zone key. All zeros for "all zones".
+ */
+ struct GNUNET_CRYPTO_EcdsaPrivateKey zone;
- GNUNET_HashCode zone;
};
-GNUNET_NETWORK_STRUCT_END
+
/**
* Ask for next result of zone iteration for the given operation
*/
-GNUNET_NETWORK_STRUCT_BEGIN
struct ZoneIterationNextMessage
{
/**
- * Type will be GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_ITERATION_NEXT
+ * Type will be #GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_ITERATION_NEXT
*/
struct GNUNET_NAMESTORE_Header gns_header;
+
+ /**
+ * Number of records to return to the iterator in one shot
+ * (before #GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_ITERATION_NEXT
+ * should be send again). In NBO.
+ */
+ uint64_t limit;
+
};
-GNUNET_NETWORK_STRUCT_END
/**
* Stop zone iteration for the given operation
*/
-GNUNET_NETWORK_STRUCT_BEGIN
struct ZoneIterationStopMessage
{
/**
- * Type will be GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_ITERATION_STOP
+ * Type will be #GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_ITERATION_STOP
*/
struct GNUNET_NAMESTORE_Header gns_header;
};
-GNUNET_NETWORK_STRUCT_END
-/**
- * Ask for next result of zone iteration for the given operation
- */
-GNUNET_NETWORK_STRUCT_BEGIN
-struct ZoneIterationResponseMessage
-{
- /**
- * Type will be GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_ITERATION_RESPONSE
- */
- struct GNUNET_NAMESTORE_Header gns_header;
-
- struct GNUNET_TIME_AbsoluteNBO expire;
- uint16_t name_len;
-
- uint16_t contains_sig;
-
- /* Record data length */
- uint16_t rd_len;
-
-};
GNUNET_NETWORK_STRUCT_END
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