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#ifndef _GNVPN_DNSP_H_
#define _GNVPN_DNSP_H_
#include "platform.h"
#include "gnunet_common.h"
// DNS-Stuff
GNUNET_NETWORK_STRUCT_BEGIN
struct dns_static
{
uint16_t id GNUNET_PACKED;
unsigned rd:1 GNUNET_PACKED; // recursion desired (client -> server)
unsigned tc:1 GNUNET_PACKED; // message is truncated
unsigned aa:1 GNUNET_PACKED; // authoritative answer
unsigned op:4 GNUNET_PACKED; // query:0, inverse q.:1, status: 2
unsigned qr:1 GNUNET_PACKED; // query:0, response:1
unsigned rcode:4 GNUNET_PACKED; // 0 No error
// 1 Format error
// 2 Server failure
// 3 Name Error
// 4 Not Implemented
// 5 Refused
unsigned z:3 GNUNET_PACKED; // reserved
unsigned ra:1 GNUNET_PACKED; // recursion available (server -> client)
uint16_t qdcount GNUNET_PACKED; // number of questions
uint16_t ancount GNUNET_PACKED; // number of answers
uint16_t nscount GNUNET_PACKED; // number of authority-records
uint16_t arcount GNUNET_PACKED; // number of additional records
};
GNUNET_NETWORK_STRUCT_END
struct dns_pkt
{
struct dns_static s;
unsigned char data[1];
};
struct dns_pkt_parsed
{
struct dns_static s;
struct dns_query **queries;
struct dns_record **answers;
struct dns_record **nameservers;
struct dns_record **additional;
};
struct dns_query_line
{
unsigned short type;
unsigned short class;
};
struct dns_query
{
char *name;
unsigned char namelen;
unsigned short qtype;
unsigned short qclass;
};
struct dns_record_line
{
unsigned short type;
unsigned short class;
unsigned int ttl;
unsigned short data_len;
unsigned char data;
};
struct dns_record
{
char *name;
unsigned char namelen;
unsigned short type;
unsigned short class;
unsigned int ttl;
unsigned short data_len;
unsigned char *data;
};
struct dns_pkt_parsed *
parse_dns_packet (struct dns_pkt *pkt);
struct dns_pkt *
unparse_dns_packet (struct dns_pkt_parsed *pkt);
void
free_parsed_dns_packet (struct dns_pkt_parsed *ppkt);
#endif
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