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/*
This file is part of GNUnet
(C) 2012 Christian Grothoff (and other contributing authors)
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 2, or (at your
option) any later version.
GNUnet is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
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.
*/
/**
* @file include/gns_protocol.h
* @brief Resource Record definitions
* @author Martin Schanzenbach
*/
#ifndef GNS_RECORDS_H
#define GNS_RECORDS_H
GNUNET_NETWORK_STRUCT_BEGIN
/**
* Payload of DNS SOA record (header).
*/
struct soa_data
{
/**
* The version number of the original copy of the zone. (NBO)
*/
uint32_t serial GNUNET_PACKED;
/**
* Time interval before the zone should be refreshed. (NBO)
*/
uint32_t refresh GNUNET_PACKED;
/**
* Time interval that should elapse before a failed refresh should
* be retried. (NBO)
*/
uint32_t retry GNUNET_PACKED;
/**
* Time value that specifies the upper limit on the time interval
* that can elapse before the zone is no longer authoritative. (NBO)
*/
uint32_t expire GNUNET_PACKED;
/**
* The bit minimum TTL field that should be exported with any RR
* from this zone. (NBO)
*/
uint32_t minimum GNUNET_PACKED;
};
/**
* Payload of DNS SRV record (header).
*/
struct srv_data
{
/**
* Preference for this entry (lower value is higher preference). Clients
* will contact hosts from the lowest-priority group first and fall back
* to higher priorities if the low-priority entries are unavailable. (NBO)
*/
uint16_t prio GNUNET_PACKED;
/**
* Relative weight for records with the same priority. Clients will use
* the hosts of the same (lowest) priority with a probability proportional
* to the weight given. (NBO)
*/
uint16_t weight GNUNET_PACKED;
/**
* TCP or UDP port of the service. (NBO)
*/
uint16_t port GNUNET_PACKED;
/* followed by 'target' name */
};
/**
* Payload of DNSSEC TLSA record.
* http://datatracker.ietf.org/doc/draft-ietf-dane-protocol/
*/
struct tlsa_data
{
/**
* Certificate usage
* 0: CA cert
* 1: Entity cert
* 2: Trust anchor
* 3: domain-issued cert
*/
uint8_t usage;
/**
* Selector
* What part will be matched against the cert
* presented by server
* 0: Full cert (in binary)
* 1: Full cert (in DER)
*/
uint8_t selector;
/**
* Matching type (of selected content)
* 0: exact match
* 1: SHA-256 hash
* 2: SHA-512 hash
*/
uint8_t matching_type;
/**
* followed by certificate association data
* The "certificate association data" to be matched.
* These bytes are either raw data (that is, the full certificate or
* its SubjectPublicKeyInfo, depending on the selector) for matching
* type 0, or the hash of the raw data for matching types 1 and 2.
* The data refers to the certificate in the association, not to the
* TLS ASN.1 Certificate object.
*
* The data is represented as a string of hex chars
*/
};
/**
* Payload of GNS VPN record
*/
struct vpn_data
{
/**
* The peer to contact
*/
struct GNUNET_HashCode peer;
/**
* The protocol to use
*/
uint16_t proto;
/* followed by the servicename */
};
GNUNET_NETWORK_STRUCT_END
#endif
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